首页 > 最新文献

Journal of cancer research updates最新文献

英文 中文
Quercetin and Mercury In Vitro Anti-Proliferative Effect in Human Astrocytoma Cells 槲皮素和汞对人星形细胞瘤细胞的体外抗增殖作用
Pub Date : 2023-03-29 DOI: 10.30683/1929-2279.2023.12.4
Nada A. Al-Hasawi, L. Novotný
Mercury (Hg) is a toxic heavy metal to which we are exposed in everyday life. Exposure to environmental Hg may lead to toxicity in the human body associated with major health issues. Quercetin (QE) on the other hand, is a natural flavonoid widely distributed in higher plants and is part of the human diet. Several studies demonstrated the therapeutic and protective effects of QE against multiple diseases and health problems. The aim of this study is to investigate the effect of QE and Hg on the proliferation of human astrocytoma 1321N1 cell line. This study is a continuation of our previous work in which we investigated cadmium (Cd) instead of Hg. The 1321N1 cells were either treated with Hg alone, or pre- or co-treated with QE. Cell viabilities were determined by MTT assay. Results indicated that simultaneous treatment of the cells with 200 µM and 16 µM Hg for 48 hrs significantly reduced cell viability to 11.7 ± 3.1 % compared to the DMSO vehicle-treated cells. Other experiments of QE pre-treatment followed by exposure to Hg alone or with QE indicated a significant ability to reduce proliferation compared to treatment with Hg alone. In conclusion, our study suggested a synergistic anti-proliferative interaction of Hg and QE in malignantly transformed cells. However, this effect is higher when combining Cd and QE as indicated in our previous work. These data may be beneficial in exploiting the biological effect of QE for treating the malignantly transformed cells.
汞是一种有毒的重金属,我们在日常生活中都会接触到它。接触环境汞可能导致人体毒性,并与重大健康问题有关。另一方面,槲皮素(QE)是一种广泛分布在高等植物中的天然类黄酮,也是人类饮食的一部分。几项研究证明了量化宽松对多种疾病和健康问题的治疗和保护作用。本研究的目的是研究QE和Hg对人星形细胞瘤1321N1细胞系增殖的影响。这项研究是我们之前研究镉(Cd)而不是汞的工作的延续。1321N1细胞要么单独用Hg处理,要么用QE预处理或联合处理。MTT法测定细胞活力。结果表明,与DMSO载体处理的细胞相比,用200µM和16µM Hg同时处理细胞48小时可显著降低细胞活力至11.7±3.1%。QE预处理后暴露于单独的汞或QE的其他实验表明,与单独的汞处理相比,具有显著的减少增殖的能力。总之,我们的研究表明,Hg和QE在恶性转化细胞中具有协同抗增殖作用。然而,如我们之前的工作所示,当Cd和QE结合时,这种效果更高。这些数据可能有利于利用QE的生物学效应来治疗恶性转化的细胞。
{"title":"Quercetin and Mercury In Vitro Anti-Proliferative Effect in Human Astrocytoma Cells","authors":"Nada A. Al-Hasawi, L. Novotný","doi":"10.30683/1929-2279.2023.12.4","DOIUrl":"https://doi.org/10.30683/1929-2279.2023.12.4","url":null,"abstract":"Mercury (Hg) is a toxic heavy metal to which we are exposed in everyday life. Exposure to environmental Hg may lead to toxicity in the human body associated with major health issues. Quercetin (QE) on the other hand, is a natural flavonoid widely distributed in higher plants and is part of the human diet. Several studies demonstrated the therapeutic and protective effects of QE against multiple diseases and health problems. The aim of this study is to investigate the effect of QE and Hg on the proliferation of human astrocytoma 1321N1 cell line. This study is a continuation of our previous work in which we investigated cadmium (Cd) instead of Hg. The 1321N1 cells were either treated with Hg alone, or pre- or co-treated with QE. Cell viabilities were determined by MTT assay. Results indicated that simultaneous treatment of the cells with 200 µM and 16 µM Hg for 48 hrs significantly reduced cell viability to 11.7 ± 3.1 % compared to the DMSO vehicle-treated cells. Other experiments of QE pre-treatment followed by exposure to Hg alone or with QE indicated a significant ability to reduce proliferation compared to treatment with Hg alone. In conclusion, our study suggested a synergistic anti-proliferative interaction of Hg and QE in malignantly transformed cells. However, this effect is higher when combining Cd and QE as indicated in our previous work. These data may be beneficial in exploiting the biological effect of QE for treating the malignantly transformed cells.","PeriodicalId":89799,"journal":{"name":"Journal of cancer research updates","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44248908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Progesterone and Estrogen Receptors in Meningiomas – A Clinicopathological Analysis 黄体酮和雌激素受体在脑膜瘤中的临床病理分析
Pub Date : 2023-03-21 DOI: 10.30683/1929-2279.2023.12.3
A. Govindan, J. Alapatt
Background – Meningiomas are common tumors of the Central Nervous System. Recurrence in meningiomas has been proven to be associated with factors like extent of resection and grade of tumor. Decrease in progesterone receptor expression has been linked to increased rate of recurrence. We undertook this study to know about progesterone and estrogen receptor expression in meningiomas and its association with different clinicopathological variables as data is lacking in the Indian population. Materials and Methods – Meningiomas operated in a tertiary referral centre of North Kerala, India in 2 years were taken into the study. The tumors were graded and immunohistochemistry was performed using antibodies to Estrogen and progesterone receptors (ER&PR) and Ki-67. The expression of PR and ER was correlated with clinicopathologic variables. The patients were followed up for 2 years. Results – Grade I and grade II tumors constituted 85.3% and 14.7% respectively of the total number of meningioma cases. There were no grade III tumors in the series. The average PR positivity in grade I tumors (60.77%) was higher than in grade II tumors (46.88%). There was no gender related difference in PR staining. ER positivity was found only in a few cases. Conclusion – PR deterioration was associated with increased cell turnover. Meningiomas occurring in this study population are similar in clinicopathological parameters to those tumors occurring in other parts of the country but different in some aspects like grade from tumors occurring in other parts of the world. Strict follow up of a larger cohort of patients for a longer time period will be required to draw conclusions about prognosis in this population.
背景-脑膜瘤是一种常见的中枢神经系统肿瘤。脑膜瘤的复发已被证明与肿瘤的切除程度和分级等因素有关。黄体酮受体表达的减少与复发率的增加有关。我们进行这项研究是为了了解脑膜瘤中孕酮和雌激素受体的表达及其与不同临床病理变量的关系,因为在印度人群中缺乏相关数据。材料和方法:在印度北喀拉拉邦的三级转诊中心进行了2年的脑膜瘤手术。肿瘤分级,使用雌激素和孕激素受体(ER&PR)和Ki-67抗体进行免疫组化。PR和ER的表达与临床病理指标相关。随访2年。结果:ⅰ级和ⅱ级肿瘤分别占脑膜瘤总病例数的85.3%和14.7%。本研究中未发现III级肿瘤。I级肿瘤的平均PR阳性率(60.77%)高于II级肿瘤(46.88%)。PR染色无性别差异。ER阳性仅在少数病例中发现。结论:PR恶化与细胞更新增加有关。在本研究人群中发生的脑膜瘤在临床病理参数上与国内其他地区发生的脑膜瘤相似,但在某些方面与世界其他地区发生的脑膜瘤的级别不同。需要对更大的患者队列进行更长时间的严格随访,才能得出有关该人群预后的结论。
{"title":"Progesterone and Estrogen Receptors in Meningiomas – A Clinicopathological Analysis","authors":"A. Govindan, J. Alapatt","doi":"10.30683/1929-2279.2023.12.3","DOIUrl":"https://doi.org/10.30683/1929-2279.2023.12.3","url":null,"abstract":"Background – Meningiomas are common tumors of the Central Nervous System. Recurrence in meningiomas has been proven to be associated with factors like extent of resection and grade of tumor. Decrease in progesterone receptor expression has been linked to increased rate of recurrence. We undertook this study to know about progesterone and estrogen receptor expression in meningiomas and its association with different clinicopathological variables as data is lacking in the Indian population. \u0000Materials and Methods – Meningiomas operated in a tertiary referral centre of North Kerala, India in 2 years were taken into the study. The tumors were graded and immunohistochemistry was performed using antibodies to Estrogen and progesterone receptors (ER&PR) and Ki-67. The expression of PR and ER was correlated with clinicopathologic variables. The patients were followed up for 2 years. \u0000Results – Grade I and grade II tumors constituted 85.3% and 14.7% respectively of the total number of meningioma cases. There were no grade III tumors in the series. The average PR positivity in grade I tumors (60.77%) was higher than in grade II tumors (46.88%). There was no gender related difference in PR staining. ER positivity was found only in a few cases. \u0000Conclusion – PR deterioration was associated with increased cell turnover. Meningiomas occurring in this study population are similar in clinicopathological parameters to those tumors occurring in other parts of the country but different in some aspects like grade from tumors occurring in other parts of the world. Strict follow up of a larger cohort of patients for a longer time period will be required to draw conclusions about prognosis in this population.","PeriodicalId":89799,"journal":{"name":"Journal of cancer research updates","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45326730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Structured Water and Cancer: Orthomolecular Hydration Therapy 结构化水与癌症:正分子水合疗法
Pub Date : 2023-03-14 DOI: 10.30683/1929-2279.2023.12.2
K. Mojica, J. Massari, José R. Rodríguez, J. Olalde, Miguel J. Berdiel, Michael J. González
It is a common practice to envision cancer exclusively as a genetic disease, however, in our perspective, changes in gene expression leading to malignancy are secondary to biochemical disturbances and at its core we consider cancer as a metabolic energetic disease. In this regard, incongruence with the concept of the bioenergetic theory of carcinogenesis, we propose structured water (EZ water), as an element that facilitates the correction of the fundamental energy disruption and the reestablishment of health. The prime approach for this therapy would be to infuse kosmotropic osmolytes by the intravenous route to improve the physiological conditions and promote the reduction of cancer growth with no side effects. By doing so, we could expect that the cells will regain their communication ability with a functioning Ras and p53 proteins and other metabolic and transcription factors. The end goal is to support the cell in overcoming its low-energy anaerobic glycolytic metabolism that favors uncontrolled growth and regain the full energetic potential of oxidative phosphorylation that supports controlled cell division and differentiation. To achieve this goal, we propose the use of metabolic correction to improve the membrane function of the mitochondria. The use of precursors, enzymatic cofactors, and a variety of biological response modifiers which includes structured water and its kosmotropic properties in enzyme dynamics are part of the metabolic correction concept.
将癌症完全视为一种遗传性疾病是一种常见的做法,然而,在我们看来,导致恶性肿瘤的基因表达变化是继发于生化紊乱的,在其核心上,我们认为癌症是一种代谢能量疾病。在这方面,与致癌的生物能量理论的概念不一致,我们提出结构化水(EZ水),作为一种元素,有助于纠正基本的能量破坏和重建健康。这种疗法的主要方法是通过静脉注射嗜宇宙渗透剂来改善生理状况,促进癌症生长的减少,而且没有副作用。通过这样做,我们可以期望细胞将重新获得与功能正常的Ras和p53蛋白以及其他代谢和转录因子的通信能力。最终目标是支持细胞克服其低能量厌氧糖酵解代谢,有利于不受控制的生长,并重新获得氧化磷酸化的全部能量潜力,支持受控的细胞分裂和分化。为了实现这一目标,我们建议使用代谢校正来改善线粒体的膜功能。使用前体、酶辅因子和各种生物反应调节剂(包括结构水及其在酶动力学中的普遍性)是代谢校正概念的一部分。
{"title":"Structured Water and Cancer: Orthomolecular Hydration Therapy","authors":"K. Mojica, J. Massari, José R. Rodríguez, J. Olalde, Miguel J. Berdiel, Michael J. González","doi":"10.30683/1929-2279.2023.12.2","DOIUrl":"https://doi.org/10.30683/1929-2279.2023.12.2","url":null,"abstract":"It is a common practice to envision cancer exclusively as a genetic disease, however, in our perspective, changes in gene expression leading to malignancy are secondary to biochemical disturbances and at its core we consider cancer as a metabolic energetic disease. In this regard, incongruence with the concept of the bioenergetic theory of carcinogenesis, we propose structured water (EZ water), as an element that facilitates the correction of the fundamental energy disruption and the reestablishment of health. The prime approach for this therapy would be to infuse kosmotropic osmolytes by the intravenous route to improve the physiological conditions and promote the reduction of cancer growth with no side effects. By doing so, we could expect that the cells will regain their communication ability with a functioning Ras and p53 proteins and other metabolic and transcription factors. The end goal is to support the cell in overcoming its low-energy anaerobic glycolytic metabolism that favors uncontrolled growth and regain the full energetic potential of oxidative phosphorylation that supports controlled cell division and differentiation. To achieve this goal, we propose the use of metabolic correction to improve the membrane function of the mitochondria. The use of precursors, enzymatic cofactors, and a variety of biological response modifiers which includes structured water and its kosmotropic properties in enzyme dynamics are part of the metabolic correction concept.","PeriodicalId":89799,"journal":{"name":"Journal of cancer research updates","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46777902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adaptation to the Progress in Cancer Genomic Medicine by a Japanese Community Hospital 日本一家社区医院对癌症基因组医学进展的适应
Pub Date : 2023-03-06 DOI: 10.30683/1929-2279.2023.12.1
K. Ina, Y. Kato, K. Nanya, S. Hibi, Y. Shirokawa, Tomoko Toda, S. Kayukawa
Background: Remarkable progress in cancer genomic medicine (CGM) has been made with the advent of next-generation sequencing and advanced computational data analysis approaches. In Japan gene panel testing has been covered by the National Health Insurance System since June 2019. Although Nagoya Memorial Hospital has been designated as a regional medical support hospital, their medical staff are unfamiliar with CGM and generally experience difficulty in explaining the genetic testing to cancer patients. Methods: A multi-disciplinary CGM team was created in July 2019 to adapt to the clinical application of gene panel testing. Hospital functions were then maintained focusing on the following three aspects: a pathology system for handling genetic information, human resource development related to CGM, and a patient support system, including genetic counseling. Results: Third party ISO15189 (International Organization for Standardization) certification was acquired for the Department of Pathology to establish a quality-assured laboratory. Here, we report on 21 cancer patients who consulted and received information from the CGM outpatient department of our hospital. Among them 14 patients were introduced into a group of certified hospitals by the Japanese Ministry of Health, Labour, and Welfare and 10 patients underwent gene panel tests. Conclusions: As a regional medical support hospital dealing with many cancer patients, we will further improve hospital functions to match the progress in CGM.
背景:随着下一代测序和先进的计算数据分析方法的出现,癌症基因组医学(CGM)取得了显著进展。在日本,自2019年6月以来,基因检测已被纳入国民健康保险制度。虽然名古屋纪念医院已被指定为地区医疗支援医院,但其医务人员不熟悉CGM,而且在向癌症患者解释基因检测时普遍感到困难。方法:为适应基因面板检测的临床应用,于2019年7月组建多学科CGM团队。医院的功能主要集中在以下三个方面:处理遗传信息的病理系统,与CGM相关的人力资源开发,以及包括遗传咨询在内的患者支持系统。结果:病理科通过第三方ISO15189(国际标准化组织)认证,建立了质量保证实验室。在此,我们报告了21例从我院CGM门诊就诊并获得信息的癌症患者。其中14名患者被引进到日本厚生劳动省认证的医院,10名患者接受了基因检测。结论:作为区域性肿瘤患者多的医疗保障医院,我们将进一步完善医院功能,以配合肿瘤治疗的进展。
{"title":"Adaptation to the Progress in Cancer Genomic Medicine by a Japanese Community Hospital","authors":"K. Ina, Y. Kato, K. Nanya, S. Hibi, Y. Shirokawa, Tomoko Toda, S. Kayukawa","doi":"10.30683/1929-2279.2023.12.1","DOIUrl":"https://doi.org/10.30683/1929-2279.2023.12.1","url":null,"abstract":"Background: Remarkable progress in cancer genomic medicine (CGM) has been made with the advent of next-generation sequencing and advanced computational data analysis approaches. In Japan gene panel testing has been covered by the National Health Insurance System since June 2019. Although Nagoya Memorial Hospital has been designated as a regional medical support hospital, their medical staff are unfamiliar with CGM and generally experience difficulty in explaining the genetic testing to cancer patients. \u0000Methods: A multi-disciplinary CGM team was created in July 2019 to adapt to the clinical application of gene panel testing. Hospital functions were then maintained focusing on the following three aspects: a pathology system for handling genetic information, human resource development related to CGM, and a patient support system, including genetic counseling. \u0000Results: Third party ISO15189 (International Organization for Standardization) certification was acquired for the Department of Pathology to establish a quality-assured laboratory. Here, we report on 21 cancer patients who consulted and received information from the CGM outpatient department of our hospital. Among them 14 patients were introduced into a group of certified hospitals by the Japanese Ministry of Health, Labour, and Welfare and 10 patients underwent gene panel tests. \u0000Conclusions: As a regional medical support hospital dealing with many cancer patients, we will further improve hospital functions to match the progress in CGM.","PeriodicalId":89799,"journal":{"name":"Journal of cancer research updates","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46525583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Management of Hepatitis B Virus Reactivation after the Completion of Cancer Chemotherapy using a Plan-do-Check-Act Cycle 使用计划-执行-检查-行动周期治疗癌症化疗结束后乙型肝炎病毒再激活
Pub Date : 2022-11-02 DOI: 10.30683/1929-2279.2022.11.11
S. Hibi, K. Ina, S. Yuasa, Nobuto Ito, Y. Shirokawa, K. Nanya, Y. Kato, T. Yoshida, S. Kayukawa
The reactivation of the hepatitis B virus (HBV) following systemic chemotherapy reportedly caused acute liver dysfunction as a fatal complication. HBV reactivation sometimes occurs even after the cessation of chemotherapy, especially in the patients with hematological malignancies. A retrospective survey of patients with hepatitis B surface (HBs) antigen-negative cancer with HBs and/or HBc antibodies was conducted by a multidisciplinary chemotherapy team to determine the examination rate of the HBV DNA test after the completion of chemotherapy. Among 83 patients with a resolved HBV infection, who were followed up for more than 3 months, only 17 patients underwent HBV DNA monitoring every 1-3 months (17/83; 20.5%). Since September, 2022, the chemotherapy team has informed the attending physician regarding the continuous HBV DNA monitoring in patients with cancer with a resolved HBV infection until 12 months after the cessation of chemotherapy.
据报道,全身化疗后乙型肝炎病毒(HBV)的再激活导致急性肝功能障碍,这是一种致命的并发症。有时甚至在停止化疗后也会发生HBV再激活,特别是在血液系统恶性肿瘤患者中。一个多学科化疗小组对乙型肝炎表面(HBs)抗原阴性的肝癌患者进行了回顾性调查,并对HBs和/或HBc抗体进行了调查,以确定化疗完成后HBV DNA检测的检出率。在83例HBV感染缓解的患者中,随访时间超过3个月,只有17例患者每1-3个月进行HBV DNA监测(17/83;20.5%)。自2022年9月起,化疗团队通知主治医师对已解决HBV感染的癌症患者进行持续HBV DNA监测,直至停止化疗后12个月。
{"title":"Management of Hepatitis B Virus Reactivation after the Completion of Cancer Chemotherapy using a Plan-do-Check-Act Cycle","authors":"S. Hibi, K. Ina, S. Yuasa, Nobuto Ito, Y. Shirokawa, K. Nanya, Y. Kato, T. Yoshida, S. Kayukawa","doi":"10.30683/1929-2279.2022.11.11","DOIUrl":"https://doi.org/10.30683/1929-2279.2022.11.11","url":null,"abstract":"The reactivation of the hepatitis B virus (HBV) following systemic chemotherapy reportedly caused acute liver dysfunction as a fatal complication. HBV reactivation sometimes occurs even after the cessation of chemotherapy, especially in the patients with hematological malignancies. A retrospective survey of patients with hepatitis B surface (HBs) antigen-negative cancer with HBs and/or HBc antibodies was conducted by a multidisciplinary chemotherapy team to determine the examination rate of the HBV DNA test after the completion of chemotherapy. Among 83 patients with a resolved HBV infection, who were followed up for more than 3 months, only 17 patients underwent HBV DNA monitoring every 1-3 months (17/83; 20.5%). Since September, 2022, the chemotherapy team has informed the attending physician regarding the continuous HBV DNA monitoring in patients with cancer with a resolved HBV infection until 12 months after the cessation of chemotherapy.","PeriodicalId":89799,"journal":{"name":"Journal of cancer research updates","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43610873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploring CDKs, Ras-ERK, and PI3K-Aktin Abnormal Signaling and Cancer CDKs、Ras-ERK和PI3K-Aktin信号异常与癌症的探讨
Pub Date : 2022-10-27 DOI: 10.30683/1929-2279.2022.11.09
S. Nandi, M. C. Bagchi
Cancer or malignancy can be defined as abnormal growth and cell division. Malignancies spread, through metastasis invasion, or implantation into distant sites by which cancer cells can move through the bloodstream or lymphatic system to distant locations. The body cells follow mitotic cell division process. Normal cell division occurs through the normal signal transduction through proto-oncogenes responsible for the cell proliferation and differentiation. Mutation of these proto-oncogene leads to oncogene which can modify the gene expression and function through abnormal signal transduction, making uncontrolled growth of cells. The mitotic cell cycle is regulated by the signal transduction through the cyclin dependent kinases (CDKs), Ras-ERK and PI3K-Akt.Abnormal signaling occurs through the mutation of these genes leading to the cancer. The present review shortly reported the role of these proteins in abnormal signal transduction and cancer.
癌症或恶性肿瘤可以定义为异常生长和细胞分裂。恶性肿瘤通过转移侵袭或植入远处,癌症细胞可以通过血液或淋巴系统转移到远处。体细胞遵循有丝分裂细胞的过程。正常细胞分裂通过负责细胞增殖和分化的原癌基因进行正常信号转导。这些原癌基因的突变导致癌基因通过异常信号转导改变基因表达和功能,使细胞生长失控。有丝分裂细胞周期由细胞周期蛋白依赖性激酶(CDKs)、Ras-ERK和PI3K-Akt的信号转导调节。异常信号通过这些基因的突变而发生,从而导致癌症。本综述简要报道了这些蛋白在异常信号传导和癌症中的作用。
{"title":"Exploring CDKs, Ras-ERK, and PI3K-Aktin Abnormal Signaling and Cancer","authors":"S. Nandi, M. C. Bagchi","doi":"10.30683/1929-2279.2022.11.09","DOIUrl":"https://doi.org/10.30683/1929-2279.2022.11.09","url":null,"abstract":"Cancer or malignancy can be defined as abnormal growth and cell division. Malignancies spread, through metastasis invasion, or implantation into distant sites by which cancer cells can move through the bloodstream or lymphatic system to distant locations. The body cells follow mitotic cell division process. Normal cell division occurs through the normal signal transduction through proto-oncogenes responsible for the cell proliferation and differentiation. Mutation of these proto-oncogene leads to oncogene which can modify the gene expression and function through abnormal signal transduction, making uncontrolled growth of cells. The mitotic cell cycle is regulated by the signal transduction through the cyclin dependent kinases (CDKs), Ras-ERK and PI3K-Akt.Abnormal signaling occurs through the mutation of these genes leading to the cancer. The present review shortly reported the role of these proteins in abnormal signal transduction and cancer.","PeriodicalId":89799,"journal":{"name":"Journal of cancer research updates","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49333400","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Sigma Antagonists for Treatment of Neuropathic Pain Syndromes in Cancer Patients: A Narrative Review Sigma拮抗剂治疗癌症患者神经性疼痛综合征的叙述性综述
Pub Date : 2022-10-27 DOI: 10.30683/1929-2279.2022.11.10
Joseph V. Pergolizzi Jr., J. LeQuang
Almost 40% of cancer patients have neuropathic pain or mixed pain with a neuropathic component, which can be intense, debilitating, and challenging to treat. New studies on sigma receptors show these enigmatic ligand-binding protein chaperones may be helpful drug targets for new pharmacologic options to reduce many types of neuropathies, including chemotherapy-induced peripheral neuropathy (CIPN) and other cancer-related neuropathic pain syndromes. Our objective was to review the literature, including preclinical findings, in support of sigma-1 receptor (S1R) antagonists in reducing neuropathic pain and sigma-2 receptor (S2R) agonists for neuroprotection. The mechanisms behind these effects are not yet fully elucidated. The role of S1R antagonists in treating CIPN appears promising. In some cases, combination therapy of an opioid—which is a true analgesic—with a S1R antagonist, which is an anti-hyperalgesic and anti-allodynic agent, has been proposed. Of interest, but not well studied is whether or not S1R antagonists might be effective in treating CIPN in patients with pre-existing peripheral diabetic neuropathy. While neuropathic syndromes may occur with hematologic cancers, the role of S1R agonists may be effective. Sigma receptors are being actively studied now for a variety of conditions ranging from Alzheimer’s disease to Parkinson’s disease as well as neuropathic pain.
几乎40%的癌症患者患有神经性疼痛或伴有神经性成分的混合性疼痛,这种疼痛可能是剧烈的、使人虚弱的,治疗起来很有挑战性。对西格玛受体的新研究表明,这些神秘的配体结合蛋白伴侣可能是减少多种神经病变的新药物选择的有用药物靶点,包括化疗诱导的周围神经病变(CIPN)和其他癌症相关的神经性疼痛综合征。我们的目的是回顾文献,包括临床前研究结果,支持sigma-1受体(S1R)拮抗剂减轻神经性疼痛和sigma-2受体(S2R)激动剂进行神经保护。这些效应背后的机制尚未完全阐明。S1R拮抗剂在治疗CIPN中的作用似乎很有希望。在某些情况下,有人提出了一种阿片类药物(一种真正的止痛药)与S1R拮抗剂(一种抗痛觉过敏和抗痛觉异常剂)的联合治疗。令人感兴趣但尚未得到充分研究的是,S1R拮抗剂是否能有效治疗已有外周糖尿病神经病变患者的CIPN。虽然血液系统癌症可能会出现神经性综合征,但S1R激动剂的作用可能是有效的。西格玛受体目前正在积极研究各种疾病,从阿尔茨海默病到帕金森病,以及神经性疼痛。
{"title":"Sigma Antagonists for Treatment of Neuropathic Pain Syndromes in Cancer Patients: A Narrative Review","authors":"Joseph V. Pergolizzi Jr., J. LeQuang","doi":"10.30683/1929-2279.2022.11.10","DOIUrl":"https://doi.org/10.30683/1929-2279.2022.11.10","url":null,"abstract":"Almost 40% of cancer patients have neuropathic pain or mixed pain with a neuropathic component, which can be intense, debilitating, and challenging to treat. New studies on sigma receptors show these enigmatic ligand-binding protein chaperones may be helpful drug targets for new pharmacologic options to reduce many types of neuropathies, including chemotherapy-induced peripheral neuropathy (CIPN) and other cancer-related neuropathic pain syndromes. Our objective was to review the literature, including preclinical findings, in support of sigma-1 receptor (S1R) antagonists in reducing neuropathic pain and sigma-2 receptor (S2R) agonists for neuroprotection. The mechanisms behind these effects are not yet fully elucidated. The role of S1R antagonists in treating CIPN appears promising. In some cases, combination therapy of an opioid—which is a true analgesic—with a S1R antagonist, which is an anti-hyperalgesic and anti-allodynic agent, has been proposed. Of interest, but not well studied is whether or not S1R antagonists might be effective in treating CIPN in patients with pre-existing peripheral diabetic neuropathy. While neuropathic syndromes may occur with hematologic cancers, the role of S1R agonists may be effective. Sigma receptors are being actively studied now for a variety of conditions ranging from Alzheimer’s disease to Parkinson’s disease as well as neuropathic pain.","PeriodicalId":89799,"journal":{"name":"Journal of cancer research updates","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47529000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Risk-Graded Care Based on Caprini Risk Assessment Model on Postoperative Venous Thrombosis and Health-Related Quality of Life in Elderly Patients with Malignancy 基于capriini风险评估模型的风险分级护理对老年恶性肿瘤患者术后静脉血栓形成及健康相关生活质量的影响
Pub Date : 2022-10-25 DOI: 10.30683/1929-2279.2022.11.08
Ya-Ping He, Li Wang, Yingfen Zhang
Objective: To investigate the effect of risk-graded care based on Caprini risk assessment model on postoperative deep vein thrombosis and quality of life in elderly patients with malignant tumors. Methods: Sixty-eight elderly patients with malignant tumors treated by surgery admitted to the Department of Geriatrics of the First Affiliated Hospital of Sun Yat-sen University from April 2021 to September 2021 were selected to be included in the control group and given routine nursing interventions in the geriatrics department, using the Autar deep vein thrombosis risk scale and cluster nursing interventions; Seventy cases of elderly patients with malignant tumors treated by surgery admitted to our geriatric department from October 2021 to 2022 were included in the observation group, and the risk-grading nursing intervention based on the Caprini risk assessment model was used in the observation group on the basis of conventional nursing interventions. The number of cases of deep vein thrombosis, D-II cluster values, average hospitalization days, nursing satisfaction, and quality of life levels were compared between the two groups. Results: The number of VTE cases and the incidence of VTE in the observation group was 0.43%(3/70) lower than that in the control group (0.89%(6/68)); the average hospital stay in the observation group (13.50+7.45) was lower than that in the control group (15.16+10.60) and the D-II aggregation value in the observation group (2.90+4.32) was lower than that in the control group (4.02+3.91); with statistically significant differences (P<0.05); the satisfaction scores of communication, safety, guidance, nursing, and nursing techniques in the observation group were (41.70+4.21), (48.53+5.12), (38.47+1.90), (56.77+3.33), (47.80+1.68) points, higher than those in the control group (30.11+8.57), (41.69+7.95), (31.75+6.95), (46.87+7.31), (36.0+9.0) points, with statistically significant differences (t-values of -10.634 to -2.404, all P<0.05); the post-intervention scores of general health, physical function, physical function, somatic pain, somatic energy, social function, emotional function, mental health, and spiritual change dimensions of quality of life in the observation group were (67.00+14.95), (65.71+25.24), (63.21+21.59), (83.63+10.65), (74.43+13.45), (70.71+20.95), (67.62+26.60), (62.60+15.12) and (76.79+20.11) and scores were higher than the control group's post-intervention scores of (57.50+19.65), (40.44+27.33), (43.01+25.86), (54.57+15.42), (42.65+20.08), (56.25+26.67), (41.18+28.87), (52.35+18.86), (66.91+23.83) scores than the control group after intervention, with statistically significant differences (t-values of -26.878 to 0.989. all P<0.05). Conclusions: Risk-graded nursing intervention based on the Caprini risk assessment model can effectively reduce the incidence of postoperative VTE in elderly patients with malignancy, improve nursing satisfaction, and enhance the quality of life of patients.
目的:探讨基于Caprini风险评估模型的风险分级护理对老年恶性肿瘤患者术后深静脉血栓形成和生活质量的影响。方法:选择2021年4月至2021年9月入住中山大学附属第一医院老年医学科的68例老年恶性肿瘤患者作为对照组,在老年医学科进行常规护理干预,使用Autar深静脉血栓形成风险量表和集群护理干预;将我院老年科2021年10月至2022年收治的70例老年恶性肿瘤手术患者纳入观察组,在常规护理干预的基础上,观察组采用基于Caprini风险评估模型的风险分级护理干预。比较两组的深静脉血栓形成病例数、D-II聚类值、平均住院天数、护理满意度和生活质量水平。结果:观察组VTE病例数和VTE发生率比对照组(0.89%(6/68))低0.43%(3/70);观察组平均住院时间(13.50+7.45)低于对照组(15.16+10.60),D-II聚集值(2.90+4.32)低于对照对照组(4.02+3.91);差异有统计学意义(P<0.05);观察组在沟通、安全、指导、护理和护理技术方面的满意度得分分别为(41.70±4.21)、(48.53±5.12)、(38.47±1.90)、(56.77±3.33)、(47.80±1.68)分,高于对照组(30.11±8.57)、(41.69±7.95)、(31.75±6.95)、,差异有统计学意义(t值为-10.634~-2.404,均P<0.05);观察组干预后的一般健康、身体功能、身体机能、躯体疼痛、躯体能量、社会功能、情绪功能、心理健康和精神生活质量变化维度得分分别为(67.00+14.95)、(65.71+25.24)、(63.21+21.59)、(83.63+10.65)、,(62.60±15.12)和(76.79±20.11)的得分高于对照组干预后的得分(57.50±19.65)、(40.44±27.33)、(43.01±25.86)、(54.57±15.42)、(42.65±20.08)、(56.25±26.67)、(41.18±28.87)、(52.35±18.86)和(66.91±23.83),差异具有统计学意义(t值为-26.878至0.989)。结论:基于Caprini风险评估模型的风险分级护理干预能有效降低老年恶性肿瘤患者术后VTE的发生率,提高护理满意度,提高患者的生活质量。
{"title":"Effect of Risk-Graded Care Based on Caprini Risk Assessment Model on Postoperative Venous Thrombosis and Health-Related Quality of Life in Elderly Patients with Malignancy","authors":"Ya-Ping He, Li Wang, Yingfen Zhang","doi":"10.30683/1929-2279.2022.11.08","DOIUrl":"https://doi.org/10.30683/1929-2279.2022.11.08","url":null,"abstract":"Objective: To investigate the effect of risk-graded care based on Caprini risk assessment model on postoperative deep vein thrombosis and quality of life in elderly patients with malignant tumors. \u0000Methods: Sixty-eight elderly patients with malignant tumors treated by surgery admitted to the Department of Geriatrics of the First Affiliated Hospital of Sun Yat-sen University from April 2021 to September 2021 were selected to be included in the control group and given routine nursing interventions in the geriatrics department, using the Autar deep vein thrombosis risk scale and cluster nursing interventions; Seventy cases of elderly patients with malignant tumors treated by surgery admitted to our geriatric department from October 2021 to 2022 were included in the observation group, and the risk-grading nursing intervention based on the Caprini risk assessment model was used in the observation group on the basis of conventional nursing interventions. The number of cases of deep vein thrombosis, D-II cluster values, average hospitalization days, nursing satisfaction, and quality of life levels were compared between the two groups. \u0000Results: The number of VTE cases and the incidence of VTE in the observation group was 0.43%(3/70) lower than that in the control group (0.89%(6/68)); the average hospital stay in the observation group (13.50+7.45) was lower than that in the control group (15.16+10.60) and the D-II aggregation value in the observation group (2.90+4.32) was lower than that in the control group (4.02+3.91); with statistically significant differences (P<0.05); the satisfaction scores of communication, safety, guidance, nursing, and nursing techniques in the observation group were (41.70+4.21), (48.53+5.12), (38.47+1.90), (56.77+3.33), (47.80+1.68) points, higher than those in the control group (30.11+8.57), (41.69+7.95), (31.75+6.95), (46.87+7.31), (36.0+9.0) points, with statistically significant differences (t-values of -10.634 to -2.404, all P<0.05); the post-intervention scores of general health, physical function, physical function, somatic pain, somatic energy, social function, emotional function, mental health, and spiritual change dimensions of quality of life in the observation group were (67.00+14.95), (65.71+25.24), (63.21+21.59), (83.63+10.65), (74.43+13.45), (70.71+20.95), (67.62+26.60), (62.60+15.12) and (76.79+20.11) and scores were higher than the control group's post-intervention scores of (57.50+19.65), (40.44+27.33), (43.01+25.86), (54.57+15.42), (42.65+20.08), (56.25+26.67), (41.18+28.87), (52.35+18.86), (66.91+23.83) scores than the control group after intervention, with statistically significant differences (t-values of -26.878 to 0.989. all P<0.05). \u0000Conclusions: Risk-graded nursing intervention based on the Caprini risk assessment model can effectively reduce the incidence of postoperative VTE in elderly patients with malignancy, improve nursing satisfaction, and enhance the quality of life of patients.","PeriodicalId":89799,"journal":{"name":"Journal of cancer research updates","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48891542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evolutionary Hypothesis in Cell Cycle of Breast Cancer Patients: Mosaic Phases in Single Cancer Cells 乳腺癌患者细胞周期的进化假说:单个癌细胞的镶嵌期
Pub Date : 2022-10-14 DOI: 10.30683/1929-2279.2022.11.07
P. Mehdipour
Introduction: Cell cycle shapes the initiation, progression and therapeutic approaches of neoplasms. An uncontrolled cell proliferation and growth are the key characteristics of either malignant or benign tumors. The programmed check points control the transition of phases through the related barriers. Therefore, balancing the carcinogenic processes may inhibit progression and facilitate a targeted-base therapy. Methods: The present study is performed in interphase. Detection of the Mosaic Phases (MPs) by Fluorescence In Situ Hybridization was confirmed by assaying the protein expression (PE) including immunofluorescence and flow cytometry. Results: The novel hypothesis reflects the presence of dual and/or multi-phases, as minor clones in single cells of breast cancer (BC) patients. This finding led to initiate a model with applicable ratio values and different MPs including G1/S, S/G2 and G1/S/G2, accompanied by normal phases (G1, S, G2). The remarkable harmonic behaviors between signal copy numbers and the corresponding PE, dual- and triple- co-expression between different cyclins combination including E/B1 and D1/E/B1 and the other involved proteins were observed. The ratio of gain to normal signals appeared to be a good prognosis for chromosome 1, but better survival was significantly obtained for this ratio in chromosome 3 Conclusion: The predisposing-diagnostic-predictive-prognostic-preventive panels may lead to innovate the CDKs inhibitor-based therapy by considering the MPs Model; and may also be considered for clinical classification, in BC and other cancers.
细胞周期决定肿瘤的发生、发展和治疗方法。不受控制的细胞增殖和生长是恶性或良性肿瘤的关键特征。程序检查点通过相关障碍控制阶段的过渡。因此,平衡致癌过程可能会抑制进展并促进靶向治疗。方法:本研究在间期进行。通过免疫荧光和流式细胞术检测蛋白表达(PE),证实了荧光原位杂交法检测到花叶相(MPs)。结果:新的假设反映了双重和/或多阶段的存在,作为乳腺癌(BC)患者单细胞中的小克隆。根据这一发现,建立了一个具有适用比率值和不同MPs的模型,包括G1/S、S/G2和G1/S/G2,并伴有正常相(G1、S、G2)。不同周期蛋白组合E/B1和D1/E/B1与其他相关蛋白之间的信号拷贝数与相应的PE、双表达和三重共表达之间存在显著的调和行为。对于1号染色体,增益与正常信号的比值似乎是一个良好的预后,但对于3号染色体,该比值显著提高了生存率。结论:考虑MPs模型,易感-诊断-预测-预后-预防组合可能会导致CDKs抑制剂治疗的创新;也可用于BC和其他癌症的临床分类。
{"title":"Evolutionary Hypothesis in Cell Cycle of Breast Cancer Patients: Mosaic Phases in Single Cancer Cells","authors":"P. Mehdipour","doi":"10.30683/1929-2279.2022.11.07","DOIUrl":"https://doi.org/10.30683/1929-2279.2022.11.07","url":null,"abstract":"Introduction: Cell cycle shapes the initiation, progression and therapeutic approaches of neoplasms. An uncontrolled cell proliferation and growth are the key characteristics of either malignant or benign tumors. The programmed check points control the transition of phases through the related barriers. Therefore, balancing the carcinogenic processes may inhibit progression and facilitate a targeted-base therapy. \u0000Methods: The present study is performed in interphase. Detection of the Mosaic Phases (MPs) by Fluorescence In Situ Hybridization was confirmed by assaying the protein expression (PE) including immunofluorescence and flow cytometry. \u0000Results: The novel hypothesis reflects the presence of dual and/or multi-phases, as minor clones in single cells of breast cancer (BC) patients. This finding led to initiate a model with applicable ratio values and different MPs including G1/S, S/G2 and G1/S/G2, accompanied by normal phases (G1, S, G2). The remarkable harmonic behaviors between signal copy numbers and the corresponding PE, dual- and triple- co-expression between different cyclins combination including E/B1 and D1/E/B1 and the other involved proteins were observed. The ratio of gain to normal signals appeared to be a good prognosis for chromosome 1, but better survival was significantly obtained for this ratio in chromosome 3 \u0000Conclusion: The predisposing-diagnostic-predictive-prognostic-preventive panels may lead to innovate the CDKs inhibitor-based therapy by considering the MPs Model; and may also be considered for clinical classification, in BC and other cancers.","PeriodicalId":89799,"journal":{"name":"Journal of cancer research updates","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42343579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Toxicological Outcome of Combined Exposure to Potassium Dichromate and Levonorgestrel in the Kidney of Female Rats 重铬酸钾和左炔诺孕酮联合暴露对雌性大鼠肾脏的毒理学影响
Pub Date : 2022-10-10 DOI: 10.30683/1929-2279.2022.11.05
K. Akinwumi, S. T. Oloyede, O. O. Eleyowo, A. Jubril
Co-exposure to chromate (VI) compound and oral contraceptives is common in our environment especially among women working in chromate-related industries. Exposure to either chromate (VI) or oral contraceptives is linked with the etiology of several diseases including cancers and renal injury. However, there is paucity of information on the toxic effect of combined co-exposure to both compounds. The present study examines the toxicity of combined exposure to potassium dichromate (PDC) and an oral contraceptive, levonorgestrel in the kidney of female rats. Control animals were fed distilled water, while experimental rats were injected 12 mg/kg body weight of PDC once a week for six weeks and oral daily exposure to 15µg/kg body weight of levonorgestrel either alone or in combination. Absolute and relative kidney weight, renal function, oxidative stress and pathological lesion were assessed in plasma and kidney of control and experimental rats. The PDC and levonorgestrel significantly (p<0.05) increased plasma urea creatinine and malondialdehyde levels in treated-rats, while renal superoxide dismutase and glutathione-S-transferase activities were reduced by both compounds. Moreover, histopathological lesions including necrotizing nephritis was observed in the kidney of PDC-treated rats, while tubular epithelial degeneration and necrosis was observed in levonorgestrel-treated rats. Combined exposure to both compounds aggravated the increase in urea, creatinine and renal damage. Additionally, the antioxidant enzymes were further repressed in the co-treatment group. The study suggests that combined exposure to potassium dichromate and levonorgestrel worsened nephrotoxicity in rats by increasing oxidative stress.
在我们的环境中,共同接触铬酸盐(VI)化合物和口服避孕药是很常见的,尤其是在铬酸盐相关行业工作的女性中。接触铬酸盐(VI)或口服避孕药与包括癌症和肾损伤在内的几种疾病的病因有关。然而,关于同时暴露于这两种化合物的毒性影响的信息很少。本研究考察了重铬酸钾(PDC)和口服避孕药左炔诺孕酮联合暴露对雌性大鼠肾脏的毒性。对照动物喂食蒸馏水,而实验大鼠每周注射一次12 mg/kg体重的PDC,持续六周,每天口服15µg/kg体重的左炔诺孕酮,单独或联合使用。在对照和实验大鼠的血浆和肾脏中评估绝对和相对肾脏重量、肾功能、氧化应激和病理损伤。PDC和左炔诺孕酮显著(p<0.05)增加了治疗大鼠的血浆尿素肌酐和丙二醛水平,而两种化合物降低了肾脏超氧化物歧化酶和谷胱甘肽-S-转移酶的活性。此外,在PDC治疗的大鼠肾脏中观察到包括坏死性肾炎在内的组织病理学损伤,而在左炔诺孕酮治疗的大白鼠中观察到肾小管上皮变性和坏死。同时暴露于这两种化合物会加重尿素、肌酸酐和肾损伤的增加。此外,抗氧化酶在联合治疗组中被进一步抑制。研究表明,重铬酸钾和左炔诺孕酮联合暴露会增加氧化应激,从而加重大鼠的肾毒性。
{"title":"Toxicological Outcome of Combined Exposure to Potassium Dichromate and Levonorgestrel in the Kidney of Female Rats","authors":"K. Akinwumi, S. T. Oloyede, O. O. Eleyowo, A. Jubril","doi":"10.30683/1929-2279.2022.11.05","DOIUrl":"https://doi.org/10.30683/1929-2279.2022.11.05","url":null,"abstract":"Co-exposure to chromate (VI) compound and oral contraceptives is common in our environment especially among women working in chromate-related industries. Exposure to either chromate (VI) or oral contraceptives is linked with the etiology of several diseases including cancers and renal injury. However, there is paucity of information on the toxic effect of combined co-exposure to both compounds. The present study examines the toxicity of combined exposure to potassium dichromate (PDC) and an oral contraceptive, levonorgestrel in the kidney of female rats. Control animals were fed distilled water, while experimental rats were injected 12 mg/kg body weight of PDC once a week for six weeks and oral daily exposure to 15µg/kg body weight of levonorgestrel either alone or in combination. Absolute and relative kidney weight, renal function, oxidative stress and pathological lesion were assessed in plasma and kidney of control and experimental rats. The PDC and levonorgestrel significantly (p<0.05) increased plasma urea creatinine and malondialdehyde levels in treated-rats, while renal superoxide dismutase and glutathione-S-transferase activities were reduced by both compounds. Moreover, histopathological lesions including necrotizing nephritis was observed in the kidney of PDC-treated rats, while tubular epithelial degeneration and necrosis was observed in levonorgestrel-treated rats. Combined exposure to both compounds aggravated the increase in urea, creatinine and renal damage. Additionally, the antioxidant enzymes were further repressed in the co-treatment group. The study suggests that combined exposure to potassium dichromate and levonorgestrel worsened nephrotoxicity in rats by increasing oxidative stress.","PeriodicalId":89799,"journal":{"name":"Journal of cancer research updates","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42200747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
期刊
Journal of cancer research updates
全部 Acc. Chem. Res. ACS Applied Bio Materials ACS Appl. Electron. Mater. ACS Appl. Energy Mater. ACS Appl. Mater. Interfaces ACS Appl. Nano Mater. ACS Appl. Polym. Mater. ACS BIOMATER-SCI ENG ACS Catal. ACS Cent. Sci. ACS Chem. Biol. ACS Chemical Health & Safety ACS Chem. Neurosci. ACS Comb. Sci. ACS Earth Space Chem. ACS Energy Lett. ACS Infect. Dis. ACS Macro Lett. ACS Mater. Lett. ACS Med. Chem. Lett. ACS Nano ACS Omega ACS Photonics ACS Sens. ACS Sustainable Chem. Eng. ACS Synth. Biol. Anal. Chem. BIOCHEMISTRY-US Bioconjugate Chem. BIOMACROMOLECULES Chem. Res. Toxicol. Chem. Rev. Chem. Mater. CRYST GROWTH DES ENERG FUEL Environ. Sci. Technol. Environ. Sci. Technol. Lett. Eur. J. Inorg. Chem. IND ENG CHEM RES Inorg. Chem. J. Agric. Food. Chem. J. Chem. Eng. Data J. Chem. Educ. J. Chem. Inf. Model. J. Chem. Theory Comput. J. Med. Chem. J. Nat. Prod. J PROTEOME RES J. Am. Chem. Soc. LANGMUIR MACROMOLECULES Mol. Pharmaceutics Nano Lett. Org. Lett. ORG PROCESS RES DEV ORGANOMETALLICS J. Org. Chem. J. Phys. Chem. J. Phys. Chem. A J. Phys. Chem. B J. Phys. Chem. C J. Phys. Chem. Lett. Analyst Anal. Methods Biomater. Sci. Catal. Sci. Technol. Chem. Commun. Chem. Soc. Rev. CHEM EDUC RES PRACT CRYSTENGCOMM Dalton Trans. Energy Environ. Sci. ENVIRON SCI-NANO ENVIRON SCI-PROC IMP ENVIRON SCI-WAT RES Faraday Discuss. Food Funct. Green Chem. Inorg. Chem. Front. Integr. Biol. J. Anal. At. Spectrom. J. Mater. Chem. A J. Mater. Chem. B J. Mater. Chem. C Lab Chip Mater. Chem. Front. Mater. Horiz. MEDCHEMCOMM Metallomics Mol. Biosyst. Mol. Syst. Des. Eng. Nanoscale Nanoscale Horiz. Nat. Prod. Rep. New J. Chem. Org. Biomol. Chem. Org. Chem. Front. PHOTOCH PHOTOBIO SCI PCCP Polym. Chem.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1