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The cytotoxic effect of Vernonia amygdalina Del. extract on myeloid leukemia cells 苦杏仁的细胞毒作用。骨髓白血病细胞提取物
Q4 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2023-08-31 DOI: 10.15419/bmrat.v10i8.827
Nguyen Trung Quan, Bui Thi Kim Ly, Hoang Thanh Chi
Introduction: This study aimed to demonstrate the cytotoxic effect of a bitter leaf (Vernonia amygdalina Del.) ethanol extract on myeloid leukemia cells. Methods: The plant extract was prepared using the maceration method. The toxicity assays used the trypan blue exclusion method. Flow cytometry and reverse transcription PCR methods were used to deduce the mechanism of action. Results: The V. amygdalina Del. extract strongly affected K562 cells, with a half-maximal inhibitory concentration of 8.78 ± 2.224 µg/mL. The extract could induce apoptosis and arrest the cell cycle in K562 cells. The extract increased the mRNA levels of caspase 3 (CASP3), baculoviral IAP repeat containing 5 (BIRC5/survivin), and phosphatidylinositol 3-kinase (PI3K) and decreased the mRNA levels of retinoblastoma transcriptional corepressor 1 (RB1/pRB), B cell lymphoma/leukemic 2 (BCL2), BCL2-like 1 (BCL2L1/BCL-XL), caspase 9 (CASP9), and the breakpoint cluster region (BCR)-Abelson (ABL) fusion gene. Conclusion: The V. amygdalina Del. extract strongly inhibited the acute myeloid leukemia cell line K562. It was found to arrest the cell cycle and induce apoptosis by regulating the expression of related genes that predicted targeting BCR-ABL downregulation.
简介:本研究旨在证明苦叶(Vernonia amygdalina Del.)乙醇提取物对骨髓白血病细胞的细胞毒性作用。方法:采用浸渍法制备植物提取物。毒性试验采用台盼蓝排除法。采用流式细胞术和反转录PCR方法推测其作用机制。结果:苦杏仁桃。提取液对K562细胞有较强的抑制作用,半最大抑制浓度为8.78±2.224µg/mL。提取物对K562细胞具有诱导凋亡、阻滞细胞周期的作用。该提取物提高了CASP3、baculoviral IAP repeat containing 5 (BIRC5/survivin)和磷脂酰肌醇3-激酶(PI3K) mRNA水平,降低了视网膜母细胞瘤转录辅助抑制因子1 (RB1/pRB)、B细胞淋巴瘤/白血病2 (BCL2)、BCL2样1 (BCL2L1/BCL-XL)、caspase 9 (CASP9)和断点簇区(BCR)-Abelson (ABL)融合基因mRNA水平。结论:苦杏仁桃属植物。提取物对急性髓系白血病K562细胞有明显抑制作用。发现其通过调控BCR-ABL下调相关基因的表达来阻滞细胞周期,诱导细胞凋亡。
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引用次数: 0
Acute Myeloid Leukemia with 8:21 Translocation and Aberrant B-Marker Expression 急性髓系白血病伴8:21易位和异常b标记表达
Q4 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2023-08-31 DOI: 10.15419/bmrat.v10i8.822
Nur Ilyia Syazwani Saidin, Razan Hayati Zulkeflee, Abdul Hanan Abdullah, Mohd Nazri Hassan, Marne Abdullah, Nurul Asyikin Nizam Akbar, Noor Haslina Mohd Noor
Background: Acute myeloid leukemia (AML) with t(8;21)(q22;q22) is a frequently encountered subtype of AML with recurrent genetic abnormalities, found in approximately 1–5% of AML cases. Here, we present cases of AML with t(8;21) in elderly patients with aberrant B-marker expression identified at our institution, including their clinical outcomes when treated with hypomethylating agents and BCL-2 inhibitors. Case presentation: A 60-year-old patient diagnosed with AML carried the t(8;21) chromosomal translocation. Immunophenotyping and immunohistochemistry revealed aberrant expression of B-markers, including CD19, CD79a, and PAX5. Cytogenetic analysis also identified a loss of the X chromosome, a common cytogenetic aberration in AML associated with t(8;21). Due to the patient's age and inability to tolerate intensive chemotherapy, treatment was initiated using a hypomethylating agent and a BCL-2 inhibitor. Although the initial bone marrow evaluation showed an excess of blast cells, subsequent assessments demonstrated a favorable response to the treatment, with the absence of blast cells and improvements in peripheral blood parameters. Conclusion: The presence of B-marker expression in AML with t(8;21) is a relatively common occurrence. The integration of cytogenetic and molecular investigations plays a vital role in accurately diagnosing and classifying AML. A remarkable feature of AML with t(8;21) is its high remission rate, and this holds true even in cases where standard intensive chemotherapy is not utilized. Moreover, the detection of aberrant B-marker expression, particularly CD19, signifies a favorable prognosis.
背景:急性髓系白血病(AML)伴t(8;21)(q22;q22)是一种常见的AML亚型,伴有复发性遗传异常,约占AML病例的1-5%。在这里,我们报告了在我们机构发现的b标记物表达异常的老年患者中伴有t(8;21)的AML病例,包括他们在接受低甲基化药物和BCL-2抑制剂治疗时的临床结果。病例介绍:一名60岁的AML患者携带t(8;21)染色体易位。免疫表型和免疫组织化学显示b标记物的异常表达,包括CD19、CD79a和PAX5。细胞遗传学分析还发现了X染色体的缺失,这是AML中与t相关的常见细胞遗传学畸变(8;21)。由于患者的年龄和无法耐受高强度化疗,治疗开始使用低甲基化剂和BCL-2抑制剂。尽管最初的骨髓评估显示母细胞过多,但随后的评估显示对治疗有良好的反应,没有母细胞,外周血参数有所改善。结论:b标记物在AML伴t(8;21)中表达较为常见。细胞遗传学和分子研究的结合对AML的准确诊断和分类起着至关重要的作用。AML伴t(8;21)的一个显著特征是其高缓解率,即使在不使用标准强化化疗的情况下也是如此。此外,检测异常的b标记物表达,特别是CD19,预示着良好的预后。
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引用次数: 0
Case series report: simultaneous internal fixation of multiple fractures 病例系列报告:多发性骨折同时内固定
Q4 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2023-08-31 DOI: 10.15419/bmrat.v10i8.828
Toan Thanh Vo, Thai Hoa Thi Nguyen, Kha Dong To, Luc Bao Nguyen, Duc Thien Nguyen, Dat Thanh Ha, Vien Hoang Ngo, Ngan Doan, Quang Van Le
Background: Polytrauma is often associated with a high mortality rate and requires intensive management. Although several cases of polytrauma have been reported as being related to thoracic or brain injury, there are few reports concerning multiple fractures. We aimed to present a case series report about polytrauma with multiple fractures, highlighting several clinical importance and management strategies. Case presentation: The first case is a 31-year-old male patient who was admitted to the emergency department with multiple injuries from violent abuse, including intraperitoneal bladder rupture, right pulmonary contusion, bilateral closed femoral shaft fractures, bilateral closed humeral shaft fractures, and bilateral closed radius and ulna shaft fractures. Case 2 is a 41-year-old female who was involved in a motorcycle accident in a head collision, with multiple wounds and multiple fractures, including the right distal third radius, ulna, 2nd metacarpal, right distal third tibia, and fibula. The last case is a 25-year-old comatose male patient who was hospitalized with several wounds and bruises on the right lower extremity and left forearm after a traffic accident. He was diagnosed with a concussion, crush wound of the right foot with metatarsal fractures, and a closed fracture of the right middle third femur, right middle third tibia, and left distal third radius. Three cases of multiple trauma were reported, in which we successfully internally fixed four to eight fractures at once without any complications after the procedure. The patient's wound status at admission, such as whether they have an open fracture or a complex wound that could become infected and result in sepsis or hemorrhagic shock, should be a crucial factor considered when deciding whether to perform emergency orthopedic surgery. Additionally, patients who have been properly stabilized and do not have any concomitant conditions or concurrent soft tissue injuries can receive early total care. Patient awareness is a critical sign for serial CT brain scans and additional surveillance before definitive fracture fixation. Conclusion: This report can serve as a reference for management decisions in future instances within the context of national healthcare capacity.
背景:多发创伤通常与高死亡率相关,需要强化治疗。虽然有几例多发伤被报道与胸部或脑部损伤有关,但关于多发骨折的报道很少。我们的目的是提出一个多创伤合并多处骨折的病例系列报告,强调一些临床重要性和处理策略。病例介绍:第一例患者为男性,31岁,因暴力虐待致多发伤,包括腹膜内膀胱破裂、右肺挫伤、双侧闭合性股骨干骨折、双侧闭合性肱骨骨干骨折、双侧闭合性桡骨和尺骨骨干骨折,入院急诊科。病例2是一名41岁的女性,她在一次摩托车事故中头部碰撞,多处伤口和多处骨折,包括右第三桡骨远端、尺骨、第二掌骨、右第三胫骨远端和腓骨。最后一个病例是一名25岁的昏迷男性患者,他在一次交通事故后因右下肢和左前臂多处伤口和瘀伤住院。诊断为脑震荡,右脚挤压伤伴跖骨骨折,右股骨第三中部、胫骨第三中部和左桡骨第三远端闭合性骨折。我们报告了3例多发创伤病例,其中我们一次成功内固定了4至8个骨折,术后无任何并发症。在决定是否进行急诊骨科手术时,患者入院时的伤口状况,如是否有开放性骨折或可能感染并导致败血症或失血性休克的复杂伤口,应是考虑的关键因素。此外,已经适当稳定且没有任何伴随疾病或并发软组织损伤的患者可以接受早期全面护理。在确定骨折固定前,患者意识是连续CT脑部扫描和额外监测的关键标志。结论:本报告可为今后在国家卫生保健能力范围内的管理决策提供参考。
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引用次数: 0
Correlation between Angiotensin Converting Enzyme Insertion−Deletion Polymorphisms and Cardiovascular Risk Factor Determinants in Urban and Rural Populations 城市和农村人群血管紧张素转换酶插入-缺失多态性与心血管危险因素决定因素的相关性
Q4 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2023-08-31 DOI: 10.15419/bmrat.v10i8.825
Ismail Ismail, Muhammad Basri, Mardiana Mustafa, Ade Nukhotimah
Background: The angiotensin converting enzyme insertion-deletion (ACE I/D) polymorphism located on chromosome 17q23 (287 bp in intron 16) is associated with cardiovascular risk factors (CRFs), but results vary among populations, which is thought to be the cause of ethnic differences. This study explored the role of the ACE I/D polymorphism and its correlation with CRF determinants among urban and rural groups. Methods: A total of 182 male and female participants were recruited in the age range of 20 – 55 years for CRF determinant examination and ACE gene polymorphism (n = 140). Results: Most samples examined for polymorphic ACE genes showed increased CRF determinants in the two groups. For genotype II and urban group ID, the risk was increased 5 – 8 times for the CRF of obesity. The frequency of genotype II significantly increased the incidence of CRFs of smoking and sedentary by 1 – 3 times in both groups. Conclusions: The ACE I/D polymorphism has a differential effect on both urban and rural groups. Smoking, sedentary behavior, and obesity were risk factors for CRF in both groups. Therefore, an overall design strategy for health policies is needed to mitigate the burden of cardiovascular disease, which ends in death in both groups.
背景:位于染色体17q23(16内含子287 bp)上的血管紧张素转换酶插入-缺失(ACE I/D)多态性与心血管危险因素(CRFs)相关,但结果在人群中有所不同,这被认为是种族差异的原因。本研究探讨了ACE I/D多态性在城市和农村人群中的作用及其与CRF决定因素的相关性。方法:招募年龄在20 ~ 55岁的男性和女性共182人进行CRF决定因素检测和ACE基因多态性检测(n = 140)。结果:大多数检测多态性ACE基因的样本显示两组中CRF决定因素增加。对于基因型II和城市ID组,肥胖的CRF风险增加了5 - 8倍。基因型II的频率显著增加吸烟和久坐两组的CRFs发生率,增加了1 - 3倍。结论:ACE I/D多态性在城市和农村人群中具有不同的影响。吸烟、久坐行为和肥胖是两组CRF的危险因素。因此,需要制定卫生政策的总体设计策略,以减轻心血管疾病的负担,心血管疾病在两组人群中都以死亡告终。
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引用次数: 0
The Engineering Biology Problems Book: Bridging the gap between biomedicine and engineering 工程生物学问题书:弥合生物医学和工程之间的差距
Q4 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2023-08-31 DOI: 10.15419/bmrat.v10i8.821
Ilya. D. Klabukov, Denis S. Baranovskii
Progress in the biological sciences requires advanced approaches to biological education. The current well-established paradigm rarely uses engineering design to solve biological problems. Engineering biology is a novel science field and academic discipline that focuses on the engineering of living objects using biological techniques. We believe that the integration of engineering components into biological education together with a wide application of engineering methods can provide considerable benefits to the education system. We developed the ``Engineering Biology Problems Book'' to bridge the gap between biology, medicine, and engineering.
生物科学的进步需要先进的生物教育方法。目前公认的范例很少使用工程设计来解决生物学问题。工程生物学是一门新兴的科学领域和学术学科,它关注的是利用生物技术对生命体进行工程改造。我们相信,将工程组成部分整合到生物教育中,并广泛应用工程方法,可以为教育系统带来相当大的好处。我们开发了“工程生物学问题书”,以弥合生物学,医学和工程学之间的差距。
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引用次数: 0
Association Between Interleukin 6 Immunohistochemical and Plasma Levels in Invasive Ductal Carcinoma Breast: A Cross-Sectional Study 浸润性乳腺导管癌中白细胞介素6免疫组化与血浆水平的关系:一项横断面研究
Q4 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2023-08-31 DOI: 10.15419/bmrat.v10i8.826
Ankita Girdhar, Kalyani Raju, Krishna Prasad
Background: Breast carcinoma (BC) is one of the most common malignancies in women, affecting 1 in 8.Interleukin 6 (IL6) is a proinflammatory cytokine. The role of IL6 pathways in breast cancer motivated the development of anti-IL6 agents or monoclonal antibodies, which inhibit the IL6/signal transducer and activator of transcription 3 (STAT3) pathway. This study aimed to determine the proportion and intensity of immunohistochemical (IHC) IL6 expression in invasive ductal carcinoma (IDC) breast tissue sections and estimate plasma IL6 levels using an enzyme-linked immunosorbent assay (ELISA) in the same patients to evaluate the association between IHC and plasma IL6 levels. Methods: This laboratory observational cross-sectional study examined new primary BC cases between January 2021 and June 2022. IL6 IHC was performed on tissue sections and analyzed using the histochemical (H)-score system. Plasma samples were taken from the same cases to estimate IL6 levels using an ELISA. The data were analyzed for an association between IHC and plasma IL6 levels in paired samples using SPSS software (version 22). Results: Among 50 IDC cases, the mean IHC-based IL6 H-score was 201.6 ± 88.4, and the mean ELISA-based plasma IL6 level was 68.13 ± 89.98 pg/mL. A slight positive correlation existed between IHC-based IL6 H-scores and ELISA-based plasma IL6 levels (p = 0.217). IHC-based IL6 H-scores were not associated with clinicopathological parameters. ELISA-based plasma IL6 levels were significantly associated with premenopausal status (p = 0.010), positive erb-b2 receptor tyrosine kinase 2 (ERBB2/HER2/NEU) expression (p = 0.040), low marker of proliferation Ki-67 (MKI67) index (p = 0.040), and the ERBB2/HER2/NEU enriched molecular category (p = 0.040). Conclusion: IHC-based IL6 H-scores increased with ELISA-based plasma IL6 levels among the cases. ELISA-based plasma IL6 levels were significantly associated with premenopausal status, positive ERBB2/HER2/NEU expression, low Ki-67 proliferative index, and the ERBB2/HER2/NEU enriched molecular category. Therefore, plasma IL6 could be a potential marker to assess prognosis in patients with IDC.
背景:乳腺癌(BC)是女性最常见的恶性肿瘤之一,发病率为八分之一。白细胞介素6 (IL6)是一种促炎细胞因子。il - 6通路在乳腺癌中的作用促使了抗il - 6药物或单克隆抗体的发展,这些药物或单克隆抗体抑制il - 6/信号转导和转录激活因子3 (STAT3)通路。本研究旨在确定浸润性导管癌(IDC)乳腺组织切片中免疫组化(IHC) il - 6表达的比例和强度,并利用酶联免疫吸附试验(ELISA)估计同一患者的血浆il - 6水平,以评估IHC与血浆il - 6水平之间的关系。方法:本实验室观察横断面研究调查了2021年1月至2022年6月期间新发原发性BC病例。在组织切片上进行il - 6免疫组化,并用组织化学(H)评分系统进行分析。从同一病例中提取血浆样本,使用ELISA估计il - 6水平。使用SPSS软件(版本22)分析配对样本中IHC和血浆il - 6水平之间的关系。结果:50例IDC患者中,基于ihc的il - 6 h评分平均值为201.6±88.4,基于elisa的血浆il - 6水平平均值为68.13±89.98 pg/mL。基于ihc的il - 6 h评分与基于elisa的血浆il - 6水平存在轻微的正相关(p = 0.217)。基于ihc的IL6 h评分与临床病理参数无关。血浆IL6水平与绝经前状态(p = 0.010)、erb-b2受体酪氨酸激酶2 (ERBB2/HER2/NEU)阳性表达(p = 0.040)、增殖低标志物Ki-67 (MKI67)指数(p = 0.040)、ERBB2/HER2/NEU富集分子类别(p = 0.040)相关。结论:基于免疫组化的il - 6 h评分随elisa血浆il - 6水平升高而升高。基于elisa的血浆IL6水平与绝经前状态、ERBB2/HER2/NEU阳性表达、Ki-67增殖指数低以及ERBB2/HER2/NEU富集分子类别显著相关。因此,血浆il - 6可作为评估IDC患者预后的潜在指标。
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引用次数: 0
Hepatocellular adenoma in a child: a case report 儿童肝细胞腺瘤1例
IF 0.9 Q4 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2023-07-31 DOI: 10.15419/bmrat.v10i7.816
Truong Dinh Khai, T. Phuong, Phung Nguyen Viet Hung, Le Minh Huy, Nguyen Ngoc Minh Khanh
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引用次数: 0
Cavitary lesion from pulmonary nocardiosis in non-immunocompromised patients with chronic lung disease: A report of three cases 非免疫功能低下的慢性肺病患者肺部诺卡病引起的空洞病变:附3例报告
IF 0.9 Q4 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2023-07-31 DOI: 10.15419/bmrat.v10i7.817
Khoa Nguyen-Dang, Vu Le-Thuong, Lam Nguyen-Ho, Nguyen Tran-Ngoc
{"title":"Cavitary lesion from pulmonary nocardiosis in non-immunocompromised patients with chronic lung disease: A report of three cases","authors":"Khoa Nguyen-Dang, Vu Le-Thuong, Lam Nguyen-Ho, Nguyen Tran-Ngoc","doi":"10.15419/bmrat.v10i7.817","DOIUrl":"https://doi.org/10.15419/bmrat.v10i7.817","url":null,"abstract":"","PeriodicalId":8870,"journal":{"name":"Biomedical Research and Therapy","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47692732","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
Genes involved in premature aging and their association with age-related diseases: A mini review 早衰相关基因及其与年龄相关疾病的关系:一项小型综述
IF 0.9 Q4 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2023-07-31 DOI: 10.15419/bmrat.v10i7.819
Gopikrishna Agraharam, A. Girigoswami, Pemula Gowtham, K. Girigoswami
{"title":"Genes involved in premature aging and their association with age-related diseases: A mini review","authors":"Gopikrishna Agraharam, A. Girigoswami, Pemula Gowtham, K. Girigoswami","doi":"10.15419/bmrat.v10i7.819","DOIUrl":"https://doi.org/10.15419/bmrat.v10i7.819","url":null,"abstract":"","PeriodicalId":8870,"journal":{"name":"Biomedical Research and Therapy","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49441209","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
Structural genomics and immunoinformatics analyses of non-structural protein 6 (NSP6) and its probable role in autophagy 非结构蛋白6(NSP6)的结构基因组学和免疫信息学分析及其在自噬中的可能作用
IF 0.9 Q4 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2023-07-31 DOI: 10.15419/bmrat.v10i7.818
N. Yashvardhini, D. Jha, P. Khan, Amit Kumar, K. Pranay
{"title":"Structural genomics and immunoinformatics analyses of non-structural protein 6 (NSP6) and its probable role in autophagy","authors":"N. Yashvardhini, D. Jha, P. Khan, Amit Kumar, K. Pranay","doi":"10.15419/bmrat.v10i7.818","DOIUrl":"https://doi.org/10.15419/bmrat.v10i7.818","url":null,"abstract":"","PeriodicalId":8870,"journal":{"name":"Biomedical Research and Therapy","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46420684","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
Biomedical Research and Therapy
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