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A Retrospective Review of Neglected Tropical Diseases Diagnosed on Histopathological Specimens in the Free State Province, South Africa, 2015-2020. 2015-2020年南非自由州省组织病理学标本诊断出的被忽视热带病回顾性研究。
IF 2.1 4区 医学 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2024-06-25 eCollection Date: 2024-01-01 DOI: 10.1155/2024/5076288
Danita Linda le Grange, She'neze Fatima Pillay, Liska Budding, Cornel van Rooyen, Jacqueline Goedhals

Background: Neglected tropical diseases (NTDs) are a heterogeneous group of medical conditions that commonly occur in underprivileged populations. NTDs are primarily diagnosed in tropical areas. Although South Africa is not situated in a tropical region, the high poverty rate makes the country susceptible to some NTDs. Limited data are available on the burden of NTDs in the Free State province of South Africa. This study aimed to determine the number of NTDs diagnosed on histopathological specimens in the public sector of the Free State province over a six-year period and to evaluate the patient demographics.

Methods: A retrospective, descriptive study was performed. All NTDs diagnosed in histopathological specimens from public sector hospitals in the province submitted to the Department of Anatomical Pathology, National Health Laboratory Service, and University of the Free State between 1 January 2015 and 31 December 2020 were included in the study. The demographic information, biopsy site, and referring hospital were noted for each case identified.

Results: A total of 72 NTDs were diagnosed. The five most common diagnoses were echinococcosis (n = 33; 45.8%), bilharzia (n = 13; 18.1%), leprosy (n = 9; 12.5%), mycetoma (n = 8; 11.1%), and intestinal worms (n = 5; 6.9%). Ten (30.3%) patients diagnosed with echinococcosis came from the Free State's neighbouring country, Lesotho.

Conclusion: Echinococcosis was the most prevalent NTD diagnosed in central South Africa. We recommend that the South African Department of Health add echinococcosis to the principal NTDs of significance in South Africa, alongside soil-transmitted helminths, schistosomiasis, leprosy, and rabies.

背景:被忽视的热带疾病(NTDs)是一类常见于贫困人群的疾病。NTD 主要在热带地区确诊。虽然南非不在热带地区,但由于贫困率较高,因此很容易患上某些 NTD。有关南非自由州省非传染性疾病负担的数据十分有限。本研究旨在确定六年来在自由州省公共部门通过组织病理学标本确诊的 NTD 数量,并评估患者的人口统计学特征:方法:我们进行了一项回顾性、描述性研究。研究纳入了2015年1月1日至2020年12月31日期间该省公立医院提交给解剖病理部、国家卫生实验室服务部和自由州大学的所有经组织病理标本诊断的非小细胞肺结核。研究人员记录了每个病例的人口统计学信息、活检部位和转诊医院:结果:共诊断出 72 例 NTD。最常见的五种诊断为棘球蚴病(33 人;45.8%)、血吸虫病(13 人;18.1%)、麻风病(9 人;12.5%)、霉菌瘤(8 人;11.1%)和肠道蠕虫病(5 人;6.9%)。10名(30.3%)确诊为棘球蚴病的患者来自自由邦的邻国莱索托:结论:棘球蚴病是南非中部地区确诊的最常见的非传染性疾病。我们建议南非卫生部将棘球蚴病与土壤传播的蠕虫病、血吸虫病、麻风病和狂犬病一起列入南非主要的重要非传染性疾病。
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引用次数: 0
Nature's Solution to Aedes Vectors: Toxorhynchites as a Biocontrol Agent. 伊蚊病媒的自然解决方案:作为生物控制剂的毒蝇。
IF 2.1 4区 医学 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2024-06-21 eCollection Date: 2024-01-01 DOI: 10.1155/2024/3529261
Punya Ram Sukupayo, Ram Chandra Poudel, Tirth Raj Ghimire

This review summarizes the predatory potential of Toxorhynchites mosquitoes as biological control agents for Aedes vectors. A single larva can consume hundreds of mosquito larvae during its development, with preference for larger prey and higher consumption rates at higher prey densities. Studies suggest Toxorhynchites can significantly reduce Aedes populations. Beyond direct predation, they may indirectly influence prey behavior and adult mosquito lifespan. Despite the demonstrably positive effects of Toxorhynchites species as biocontrol agents, there are acknowledged limitations that require further investigation. These limitations include potential variations in effectiveness across diverse habitats and mosquito developmental stages. Additionally, long-term ecological sustainability and potential ramifications warrant further research. Future efforts should prioritize optimizing rearing and release strategies to enhance effectiveness. Exploring the potential for combined control methods with other biocontrol agents or traditional methods is also crucial. Finally, investigating the influence of environmental factors on predation rates can further refine and optimize the application of Toxorhynchites in mosquito control programs.

这篇综述总结了毒蚊作为伊蚊媒介生物控制剂的捕食潜力。一只幼虫在发育过程中可吞噬数百只蚊子幼虫,并偏好较大的猎物,在猎物密度较高时吞噬率也较高。研究表明,Toxorhynchites 能显著减少伊蚊的数量。除了直接捕食外,它们还可能间接影响猎物的行为和成蚊的寿命。尽管 Toxorhynchites 物种作为生物控制剂具有明显的积极作用,但也存在公认的局限性,需要进一步研究。这些局限性包括在不同的栖息地和蚊子发育阶段,效果可能会有差异。此外,长期生态可持续性和潜在影响也需要进一步研究。未来的工作应优先优化饲养和释放策略,以提高有效性。探索与其他生物控制剂或传统方法相结合的控制方法的潜力也至关重要。最后,调查环境因素对捕食率的影响可以进一步完善和优化 Toxorhynchites 在蚊虫控制项目中的应用。
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引用次数: 0
Prevalence of Hepatitis B Virus Infection in Tanzania: A Systematic Review and Meta-Analysis. 坦桑尼亚的乙型肝炎病毒感染流行率:系统回顾与元分析》。
IF 2.1 4区 医学 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2024-06-05 eCollection Date: 2024-01-01 DOI: 10.1155/2024/4178240
Semvua B Kilonzo, Igembe Nkandala, Ladius Rudovick, Hyasinta M Jaka, Mariam M Mirambo, Stephen E Mshana, Violet D Kajogoo, Elichilia R Shao

Methods: We systematically searched the PubMed, Web of Science, African Journals Online, Embase, Cochrane Library, and Google Scholar databases for studies conducted up to March 1, 2023, that estimated the prevalence of HBV in Tanzania based on HBV surface antigen measurements. The DerSimonian-Laird random effects model was used to estimate the overall prevalence of HBV with 95% confidence intervals (CIs). Potential sources of heterogeneity were also investigated.

Results: Thirty-one studies with a total sample size of 37,988 were included in the meta-analysis. The overall average HBV prevalence estimate in Tanzania was 6.91% (95% CI = 5.18-8.86%). Subgroup analysis revealed the highest prevalence in the northern zone (9.32%, 95% CI; 2.24-20.36%), among the blood donors (18.72%, 95% CI: 17.43-20.05%) and among the community volunteers (8.76%, 95% CI: 4.55-14.15%). The lowest prevalence was observed in the lake zone at 4.66% (95% CI: 3.49-5.99) and in pregnant women at 4.72% (95% CI: 3.42-6.21). The overall between-study variability showed significant heterogeneity (I 2 = 97.41%, P < 0.001).

Conclusions: Our results showed that Tanzania is a country with moderately high HBV endemicity, with large interregional differences and significantly high numbers of HBV infections within the community. This underscores the need for immediate development of targeted prevention strategies and further epidemiological studies to better understand the pattern of the disease.

研究方法我们在 PubMed、Web of Science、African Journals Online、Embase、Cochrane Library 和 Google Scholar 数据库中系统检索了截至 2023 年 3 月 1 日根据 HBV 表面抗原测量结果估计坦桑尼亚 HBV 感染率的研究。采用 DerSimonian-Laird 随机效应模型估算 HBV 的总体流行率及 95% 置信区间 (CI)。研究还调查了异质性的潜在来源:荟萃分析共纳入 31 项研究,样本量共计 37,988 份。坦桑尼亚的 HBV 感染率总平均估计值为 6.91%(95% CI = 5.18-8.86%)。分组分析显示,北部地区(9.32%,95% CI;2.24-20.36%)、献血者(18.72%,95% CI:17.43-20.05%)和社区志愿者(8.76%,95% CI:4.55-14.15%)的感染率最高。湖区的发病率最低,为 4.66%(95% CI:3.49-5.99),孕妇的发病率最低,为 4.72%(95% CI:3.42-6.21)。研究间的总体差异显示出显著的异质性(I 2 = 97.41%,P < 0.001):我们的研究结果表明,坦桑尼亚是一个 HBV 中度流行的国家,地区间差异较大,社区内 HBV 感染人数明显偏高。这突出表明,有必要立即制定有针对性的预防策略,并开展进一步的流行病学研究,以更好地了解该疾病的模式。
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引用次数: 0
In Vivo Antidiarrheal Potential of the Leaf Extract of Maytenus addat (Loes.) Sebsebe and Its Major Compound Maytenus addat (Loes.) Sebsebe 叶提取物及其主要化合物的体内止泻潜力
IF 2.2 4区 医学 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2024-05-20 DOI: 10.1155/2024/5922487
Bonsa Mogose, Daniel Bisrat, Kaleab Asres
Diarrhea continues to be one of the top causes of death in children under the age of five, particularly in developing nations. In Ethiopian traditional medicine, a variety of medicinal plants are used to treat diarrhea. One of these plants is Maytenus addat (Loes.) Sebsebe (fam. Celastraceae), which is endemic to the Afromontane forests, especially along forest margins, of Ethiopia. The air-dried powdered leaves of M. addat were macerated with 80% methanol to yield a crude extract. Additionally, the powdered plant material underwent sequential solvent extraction using chloroform, methanol, and water to obtain solvent fractions. The 80% methanol leaf extract, solvent fractions, and an isolated compound from M. addat were evaluated for their antidiarrheal activity using castor oil-induced diarrheal model, anti-enteropooling test, and charcoal meal test in mice. The results showed that the 80% methanolic leaf extract significantly reduced the onset of diarrhea, the weight of feces, and the frequency of defecation in all the tested doses. The methanol and water fractions of the hydroalcoholic extract also exhibited dose-dependent antidiarrheal activity, with the methanol fraction showing the highest activity at 400 mg/kg dose. Subsequently, the most active methanol fraction was subjected to C-18 solid phase extraction, resulting in the isolation of a 3-hydroxyflavone, identified as quercetin by ESI-qToF-MS, 1H, and 13C-NMR spectroscopic techniques. Quercetin demonstrated a strong antidiarrheal activity in a dose-dependent manner. Thus, the present study provided evidence that the leaves of M. addat possess genuine antidiarrheal activity upholding the traditional medicinal use of the plant for the treatment of diarrhea. The findings also suggest that quercetin is responsible, in full or in part, for the activity of the plant.
腹泻仍然是导致五岁以下儿童死亡的首要原因之一,在发展中国家尤其如此。在埃塞俄比亚传统医学中,有多种药用植物可用于治疗腹泻。其中一种植物是 Maytenus addat (Loes.) Sebsebe(天南星科),它是埃塞俄比亚非洲峰森林,尤其是森林边缘地区的特有植物。用 80% 的甲醇浸泡 M. addat 的风干粉末叶片,可获得粗提取物。此外,粉末状植物材料还依次经过氯仿、甲醇和水的溶剂萃取,以获得溶剂馏分。采用蓖麻油诱导的小鼠腹泻模型、抗肠套叠试验和炭粉试验,对 M. addat 的 80% 甲醇叶提取物、溶剂馏分和一种分离化合物的止泻活性进行了评估。结果表明,在所有测试剂量下,80% 的甲醇叶提取物都能明显减少腹泻的发生、粪便重量和排便次数。水醇提取物的甲醇馏分和水馏分也表现出剂量依赖性止泻活性,其中甲醇馏分在 400 毫克/千克剂量时活性最高。随后,将活性最高的甲醇馏分进行 C-18 固相萃取,分离出一种 3-羟基黄酮,并通过 ESI-qToF-MS、1H 和 13C-NMR 光谱技术鉴定为槲皮素。槲皮素具有很强的止泻活性,其活性呈剂量依赖性。因此,本研究提供的证据表明,M. addat 的叶子具有真正的止泻活性,这也维护了该植物治疗腹泻的传统药用价值。研究结果还表明,槲皮素对该植物的全部或部分活性负有责任。
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引用次数: 0
Comprehensive Review of Epidemiology and Treatment of Snakebite Envenomation in West Africa: Case of Benin 西非蛇咬伤流行病学和治疗的全面回顾:贝宁案例
IF 2.2 4区 医学 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2024-04-08 DOI: 10.1155/2024/8357312
Ayékotchami Jacques Dossou, Adandé Belarmain Fandohan, Timothy Omara, Jean-Philippe Chippaux
Snakebite envenomation (SBE) constitutes a public health, social, and economic problem affecting poor communities in intertropical and subtropical regions. This review sought to synthesize literature on snakebite envenomation in Benin to highlight research perspectives and strategies for better management of the menace. A literature search performed in multidisciplinary electronic databases showed that the prevalence of SBE is high in Benin, but the incidences, associated morbidities, and mortalities are greatly underestimated. Most snake envenomations are by Echis ocellatus in Northern Benin during the rainy season. Adults involved in agricultural activities are the most affected. The absence of antivenin serum in the most affected areas explains the preference for alternative and traditional medicine as the first-line treatment for SBE in Benin. In conclusion, it would be imperative to revitalize the snakebite reporting system in order to have better epidemiological data and to develop a sustainable national strategy for the control and management of snakebite envenomation.
蛇咬伤(SBE)是影响热带和亚热带地区贫困社区的一个公共卫生、社会和经济问题。本综述力图对贝宁蛇咬伤的相关文献进行归纳,以突出研究视角和策略,从而更好地应对这一威胁。在多学科电子数据库中进行的文献检索显示,蛇咬伤在贝宁的流行率很高,但发病率、相关发病率和死亡率却被大大低估。在贝宁北部,大多数蛇类都是在雨季被Echis ocellatus咬伤的。从事农业活动的成年人受到的影响最大。由于受影响最严重的地区没有抗蛇毒血清,因此在贝宁,人们更倾向于将替代药物和传统药物作为 SBE 的一线治疗方法。总之,当务之急是重振蛇咬伤报告系统,以获得更好的流行病学数据,并制定可持续的蛇咬伤控制和管理国家战略。
{"title":"Comprehensive Review of Epidemiology and Treatment of Snakebite Envenomation in West Africa: Case of Benin","authors":"Ayékotchami Jacques Dossou, Adandé Belarmain Fandohan, Timothy Omara, Jean-Philippe Chippaux","doi":"10.1155/2024/8357312","DOIUrl":"https://doi.org/10.1155/2024/8357312","url":null,"abstract":"Snakebite envenomation (SBE) constitutes a public health, social, and economic problem affecting poor communities in intertropical and subtropical regions. This review sought to synthesize literature on snakebite envenomation in Benin to highlight research perspectives and strategies for better management of the menace. A literature search performed in multidisciplinary electronic databases showed that the prevalence of SBE is high in Benin, but the incidences, associated morbidities, and mortalities are greatly underestimated. Most snake envenomations are by <i>Echis ocellatus</i> in Northern Benin during the rainy season. Adults involved in agricultural activities are the most affected. The absence of antivenin serum in the most affected areas explains the preference for alternative and traditional medicine as the first-line treatment for SBE in Benin. In conclusion, it would be imperative to revitalize the snakebite reporting system in order to have better epidemiological data and to develop a sustainable national strategy for the control and management of snakebite envenomation.","PeriodicalId":17527,"journal":{"name":"Journal of Tropical Medicine","volume":"35 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140574239","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Larvicidal, Ovicidal, and Repellent Activities of Leucas stachydiformis (Hochst. ex Benth.) Briq Essential Oil against Anopheles arabiensis Leucas stachydiformis (Hochst. ex Benth.) Briq 精油对阿拉伯按蚊的杀幼虫、杀卵和驱虫活性
IF 2.2 4区 医学 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2024-03-29 DOI: 10.1155/2024/1051086
Sisay Fikru, Ketema Tolossa, Peter Lindemann, Franz Bucar, Kaleab Asres
Larvicidal, ovicidal, and repellent activities of the essential oil extracted by hydrodistillation from the leaves of the endemic Ethiopian plant Leucas stachydiformis (Hochst. ex Benth.) Briq were investigated against Anopheles arabiensis, the dominant malaria vector species in Ethiopia with the objective of searching for a plant-based malaria vector control strategy from medicinal plants. The larvicidal effect was tested against the fourth instar An. arabiensis wild larvae whilst freshly laid ova of An. arabiensis were used to determine the ovicidal activity of the essential oil at concentrations ranging from 6.25 to 400 ppm. Concentrations of 41.6–366.7 µg/cm2 were used to evaluate the repellent activity of the essential oil on 3–5 days old adult female An. arabiensis. The oil composition of L. stachydiformis was also analyzed using GC-MS. The study revealed that the oil possesses the highest larvicidal activity at 400 ppm and 200 ppm after 24 h and 48 h of treatment. LC50 values for the fourth larval instar after 24 h and 48 h of treatment were 43.4 ppm and 34.2 ppm, respectively. After 72 h of exposure, the oil displayed 100% ovicidal activity at 400 ppm with an IH50 value of 32.2 ppm. In the repellency test, at concentrations of 366.7, 133.3, and 41.6 µg/cm2, the oil gave a total percentage protection of 67.9 ± 4.2%, 37.2 ± 2.8%, and 32 ± 2.2%, respectively, for 4 h. The highest concentration (366.7 µg/cm2) gave 100% protection up to 90 min. GC-MS analysis of the oil revealed the presence of 24 compounds representing 90.34% of the total oil with caryophyllene oxide, germacrene D, and trans-caryophyllene constituting more than 50% of its components. Results of the present study suggest that the essential oil of L. stachydiformis has the potential to be used for the control of An. arabiensis mosquitoes.
研究了从埃塞俄比亚特有植物 Leucas stachydiformis (Hochst. ex Benth.) Briq 的叶子中通过水蒸馏提取的精油对埃塞俄比亚主要疟疾病媒物种阿拉伯按蚊(Anopheles arabiensis)的杀幼虫、杀卵和驱虫活性,目的是从药用植物中寻找一种基于植物的疟疾病媒控制策略。对阿拉伯疟蚊第四龄野生幼虫的杀幼虫效果进行了测试,同时用刚产卵的阿拉伯疟蚊幼虫来确定精油在 6.25 至 400 ppm 浓度范围内的杀卵活性。用 41.6-366.7 µg/cm2 的浓度来评估精油对 3-5 天大的成年雌性阿拉伯蚂蚁的驱避活性。此外,还使用气相色谱-质谱分析了 L. stachydiformis 的精油成分。研究表明,在处理 24 小时和 48 小时后,精油在 400 ppm 和 200 ppm 的浓度下具有最高的杀幼虫活性。处理 24 小时和 48 小时后,第四龄幼虫的 LC50 值分别为 43.4 ppm 和 34.2 ppm。接触 72 小时后,在浓度为百万分之 400 时,该油显示出 100% 的杀卵活性,IH50 值为百万分之 32.2。在驱避试验中,浓度分别为 366.7、133.3 和 41.6 µg/cm2 的精油在 4 小时内的总保护率分别为 67.9 ± 4.2%、37.2 ± 2.8% 和 32 ± 2.2%。 最高浓度(366.7 µg/cm2)可在 90 分钟内提供 100% 的保护。对油的气相色谱-质谱分析显示,油中含有 24 种化合物,占油总量的 90.34%,其中氧化叶黄素、胚芽烯 D 和反式叶黄素占其成分的 50%以上。本研究的结果表明,L. stachydiformis 的精油具有用于控制阿拉伯蚊子的潜力。
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引用次数: 0
Incidence of Helminthic and Viral Coinfections in Malaria Patients in the Tertiary Care Hospital Setup 三级医院疟疾患者螺旋体和病毒合并感染的发病率
IF 2.2 4区 医学 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2024-03-28 DOI: 10.1155/2024/8529788
Murad A. Mubaraki, Mubbashir Hussain, Fozia Fozia, Ijaz Ahmad, Shahid Niaz Khan, Abdul Qadir Khan, Ziaullah Ziaullah
Introduction. This study determines the incidence of common viral and helminth coinfections with malaria in the tertiary care hospital set up in southern Khyber Pakhtunkhwa, Pakistan. Materials and Methods. The multidimensional research included malaria patients admitted to different hospitals of district Kohat during January and December 2021. Stool samples and blood were assembled from the patients. Giemsa-stained microscopy-positive samples were processed by the immunochromatography technique (ICT) to identify Plasmodium species. Common viral infections such as viral hepatitis (A, B, and C), HIV, and dengue (DENV) were analyzed by ICT kits while SARS-CoV-2 was confirmed through real-time PCR. Furthermore, the intestinal helminths were identified using the Kato-Katz thick smear method. Results. Among 1278 patients, 548 were diagnosed with malaria, 412 (75.2%) were positive for P. vivax infection, 115 (21%) for P. falciparum, and 21 (3.8%) for mixed malaria infection (P. vivax/P. falciparum), with a higher incidence among males (65.2%) than females (34.8%). Coinfection with helminths was positive in 215 (39.3%) malaria patients. The most common infections were caused by the Ascaris lumbricoides species (42.6%) followed by Enterobius vermicularis (31.7%) and hookworm. A total of 24.6% of malaria-positive cases were also coinfected with different viruses with higher frequencies of confection for HAV (8.2%) and DENV (6.2%), respectively. The patients revealed higher incidence of coinfections with P. falciparum (57%) as compared with P. vivax (39.2%) and mixed infections (3.7%). Conclusion. This study demonstrated that the study population exhibited a significant incidence of coinfections with intestinal helminth and viral malaria.
导言。本研究确定了巴基斯坦开伯尔-普赫图赫瓦省南部三级医院中常见病毒和螺旋体与疟疾并发感染的发病率。材料和方法。这项多维研究包括 2021 年 1 月至 12 月期间科哈特地区不同医院收治的疟疾患者。采集了患者的粪便样本和血液样本。用免疫层析技术(ICT)处理革兰氏染色显微镜检查呈阳性的样本,以确定疟原虫的种类。常见的病毒感染,如病毒性肝炎(甲型、乙型和丙型)、艾滋病病毒和登革热(DENV),则通过 ICT 试剂盒进行分析,而 SARS-CoV-2 则通过实时 PCR 进行确认。此外,还使用 Kato-Katz 厚涂片法对肠道蠕虫进行了鉴定。结果在 1278 名患者中,548 人被确诊为疟疾患者,其中 412 人(75.2%)对间日疟原虫感染呈阳性反应,115 人(21%)对恶性疟原虫感染呈阳性反应,21 人(3.8%)对混合疟疾感染(间日疟原虫/恶性疟原虫)呈阳性反应,男性发病率(65.2%)高于女性(34.8%)。215名疟疾患者(39.3%)的螺旋体合并感染呈阳性。最常见的感染由蛔虫(42.6%)引起,其次是蠕虫(31.7%)和钩虫。共有 24.6% 的疟疾阳性病例同时感染了不同的病毒,其中感染 HAV(8.2%)和 DENV(6.2%)的频率较高。与恶性疟原虫(39.2%)和混合感染(3.7%)相比,患者合并感染恶性疟原虫的比例更高(57%)。结论这项研究表明,研究人群中合并感染肠道蠕虫疟疾和病毒性疟疾的发病率很高。
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引用次数: 0
Effect of Malaria and Schistosoma mansoni Coinfection on Selected Biochemical Profiles among Patients Attending Selected Health Institutions at Dembiya, Northwest Ethiopia 疟疾和曼氏血吸虫合并感染对埃塞俄比亚西北部登比亚部分医疗机构就诊患者部分生化指标的影响
IF 2.2 4区 医学 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2024-03-21 DOI: 10.1155/2024/9992233
Wagaw Abebe, Wossenseged Lemma, Yalewayker Tegegne, Amare Mekuanint, Abebe Yenesew, Adane Derso
<i>Background</i>. Malaria and schistosomiasis are infectious diseases that cause biochemical abnormalities. Malaria and <i>Schistosoma mansoni</i> coinfection causes exacerbations of health consequences and comorbidities. The study area is found in Ethiopia, where coinfection of malaria and <i>S. mansoni</i> is common. However, there is limited data on the biochemical profiles of patients coinfected with malaria and <i>S. mansoni</i> schistosomiasis in the study area. Hence, this study aimed to assess the effect of malaria and <i>S. mansoni</i> schistosomiasis coinfection on selected biochemical profiles. <i>Methods</i>. An institutional-based comparative cross-sectional study was conducted from March 30 to August 10, 2022. Using a convenient sampling technique, 70 participants (35 cases and 35 controls) were enrolled in the study. <i>Schistosoma mansoni</i> was detected in stool samples using the wet mount and the Kato Katz method. To detect <i>Plasmodium</i>, both thick and thin blood films were prepared and stained with Giemsa. The blood sample was processed for the analysis of biochemical profiles. All data were analyzed using SPSS version 25. A <svg height="10.2124pt" style="vertical-align:-3.42943pt" version="1.1" viewbox="-0.0498162 -6.78297 7.83752 10.2124" width="7.83752pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"></path></g></svg> value of less than 0.05 was considered statistically significant. <i>Results</i>. The mean values of alanine aminotransferase and aspartate aminotransferase (37.1 U/L and 41.9 U/L, respectively) in coinfected participants were significantly higher than in the healthy control participants (17.4 U/L and 22.0 U/L, respectively) <span><svg height="12.7178pt" style="vertical-align:-3.42947pt" version="1.1" viewbox="-0.0498162 -9.28833 23.471 12.7178" width="23.471pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"></path></g><g transform="matrix(.013,0,0,-0.013,4.498,0)"><use xlink:href="#g113-113"></use></g><g transform="matrix(.013,0,0,-0.013,15.84,0)"></path></g></svg><span></span><span><svg height="12.7178pt" style="vertical-align:-3.42947pt" version="1.1" viewbox="27.053183800000003 -9.28833 26.453 12.7178" width="26.453pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,27.103,0)"></path></g><g transform="matrix(.013,0,0,-0.013,33.343,0)"></path></g><g transform="matrix(.013,0,0,-0.013,36.307,0)"><use xlink:href="#g113-49"></use></g><g transform="matrix(.013,0,0,-0.013,42.547,0)"></path></g><g transform="matrix(.013,0,0,-0.013,48.787,0)"></path></g></svg>.</span></span> Also, the median values of creatinine, total bilirubin, and direct bilirubin (1.51 mg/dL, 2.35 mg/dL, and 0.91 mg/dL, respectively) in coinfected participants were significantly higher than in the healthy control participants
背景。疟疾和血吸虫病是导致生化异常的传染病。疟疾和曼氏血吸虫合并感染会加重健康后果和合并症。研究地区位于埃塞俄比亚,那里疟疾和曼氏血吸虫合并感染很常见。然而,关于该研究地区疟疾和曼森血吸虫病合并感染患者的生化指标的数据却很有限。因此,本研究旨在评估疟疾和曼氏血吸虫病合并感染对某些生化指标的影响。研究方法于 2022 年 3 月 30 日至 8 月 10 日开展了一项以机构为基础的横断面比较研究。研究采用方便抽样技术,共招募了 70 名参与者(35 例病例和 35 例对照)。采用湿装载法和加藤卡茨法检测粪便样本中的曼氏血吸虫。为检测疟原虫,制备了厚和薄的血片,并用吉氏染色法染色。血样经处理后用于分析生化指标。所有数据均使用 SPSS 25 版进行分析。小于 0.05 的数值被认为具有统计学意义。结果合并感染者的丙氨酸氨基转移酶和天冬氨酸氨基转移酶平均值(分别为 37.1 U/L和 41.9 U/L)明显高于健康对照者(分别为 17.4 U/L和 22.0 U/L)。此外,合并感染者的肌酐、总胆红素和直接胆红素的中位值(分别为 1.51 毫克/分升、2.35 毫克/分升和 0.91 毫克/分升)也明显高于健康对照者(分别为 0.85 毫克/分升、0.42 毫克/分升和 0.12 毫克/分升)。然而,合并感染者的总蛋白中位值(4.82 克/分升)和葡萄糖平均值(66.6 毫克/分升)明显低于健康对照者(总蛋白(7.64 克/分升)和葡萄糖(91.9 毫克/分升))。在疟疾和曼氏血吸虫合并感染中,健康参与者的生化指标结果与曼氏血吸虫轻度、中度和重度感染者有明显差异。除总蛋白和葡萄糖与生化指标呈负相关外,曼氏血吸虫感染强度与生化指标呈正相关。结论与健康人相比,合并感染者的生化指标发生了显著变化。因此,应利用生化指标检测来监测和管理与合并感染相关的问题,并降低与合并感染相关的发病率和死亡率。
{"title":"Effect of Malaria and Schistosoma mansoni Coinfection on Selected Biochemical Profiles among Patients Attending Selected Health Institutions at Dembiya, Northwest Ethiopia","authors":"Wagaw Abebe, Wossenseged Lemma, Yalewayker Tegegne, Amare Mekuanint, Abebe Yenesew, Adane Derso","doi":"10.1155/2024/9992233","DOIUrl":"https://doi.org/10.1155/2024/9992233","url":null,"abstract":"&lt;i&gt;Background&lt;/i&gt;. Malaria and schistosomiasis are infectious diseases that cause biochemical abnormalities. Malaria and &lt;i&gt;Schistosoma mansoni&lt;/i&gt; coinfection causes exacerbations of health consequences and comorbidities. The study area is found in Ethiopia, where coinfection of malaria and &lt;i&gt;S. mansoni&lt;/i&gt; is common. However, there is limited data on the biochemical profiles of patients coinfected with malaria and &lt;i&gt;S. mansoni&lt;/i&gt; schistosomiasis in the study area. Hence, this study aimed to assess the effect of malaria and &lt;i&gt;S. mansoni&lt;/i&gt; schistosomiasis coinfection on selected biochemical profiles. &lt;i&gt;Methods&lt;/i&gt;. An institutional-based comparative cross-sectional study was conducted from March 30 to August 10, 2022. Using a convenient sampling technique, 70 participants (35 cases and 35 controls) were enrolled in the study. &lt;i&gt;Schistosoma mansoni&lt;/i&gt; was detected in stool samples using the wet mount and the Kato Katz method. To detect &lt;i&gt;Plasmodium&lt;/i&gt;, both thick and thin blood films were prepared and stained with Giemsa. The blood sample was processed for the analysis of biochemical profiles. All data were analyzed using SPSS version 25. A &lt;svg height=\"10.2124pt\" style=\"vertical-align:-3.42943pt\" version=\"1.1\" viewbox=\"-0.0498162 -6.78297 7.83752 10.2124\" width=\"7.83752pt\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\"&gt;&lt;g transform=\"matrix(.013,0,0,-0.013,0,0)\"&gt;&lt;/path&gt;&lt;/g&gt;&lt;/svg&gt; value of less than 0.05 was considered statistically significant. &lt;i&gt;Results&lt;/i&gt;. The mean values of alanine aminotransferase and aspartate aminotransferase (37.1 U/L and 41.9 U/L, respectively) in coinfected participants were significantly higher than in the healthy control participants (17.4 U/L and 22.0 U/L, respectively) &lt;span&gt;&lt;svg height=\"12.7178pt\" style=\"vertical-align:-3.42947pt\" version=\"1.1\" viewbox=\"-0.0498162 -9.28833 23.471 12.7178\" width=\"23.471pt\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\"&gt;&lt;g transform=\"matrix(.013,0,0,-0.013,0,0)\"&gt;&lt;/path&gt;&lt;/g&gt;&lt;g transform=\"matrix(.013,0,0,-0.013,4.498,0)\"&gt;&lt;use xlink:href=\"#g113-113\"&gt;&lt;/use&gt;&lt;/g&gt;&lt;g transform=\"matrix(.013,0,0,-0.013,15.84,0)\"&gt;&lt;/path&gt;&lt;/g&gt;&lt;/svg&gt;&lt;span&gt;&lt;/span&gt;&lt;span&gt;&lt;svg height=\"12.7178pt\" style=\"vertical-align:-3.42947pt\" version=\"1.1\" viewbox=\"27.053183800000003 -9.28833 26.453 12.7178\" width=\"26.453pt\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\"&gt;&lt;g transform=\"matrix(.013,0,0,-0.013,27.103,0)\"&gt;&lt;/path&gt;&lt;/g&gt;&lt;g transform=\"matrix(.013,0,0,-0.013,33.343,0)\"&gt;&lt;/path&gt;&lt;/g&gt;&lt;g transform=\"matrix(.013,0,0,-0.013,36.307,0)\"&gt;&lt;use xlink:href=\"#g113-49\"&gt;&lt;/use&gt;&lt;/g&gt;&lt;g transform=\"matrix(.013,0,0,-0.013,42.547,0)\"&gt;&lt;/path&gt;&lt;/g&gt;&lt;g transform=\"matrix(.013,0,0,-0.013,48.787,0)\"&gt;&lt;/path&gt;&lt;/g&gt;&lt;/svg&gt;.&lt;/span&gt;&lt;/span&gt; Also, the median values of creatinine, total bilirubin, and direct bilirubin (1.51 mg/dL, 2.35 mg/dL, and 0.91 mg/dL, respectively) in coinfected participants were significantly higher than in the healthy control participants ","PeriodicalId":17527,"journal":{"name":"Journal of Tropical Medicine","volume":"50 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140201024","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In Vitro Antischistosomal Activity of Bridelia ferruginea, Clausena anisata, Khaya senegalensis, and Vernonia amygdalina Bridelia ferruginea、Clausena anisata、Khaya senegalensis 和 Vernonia amygdalina 的体外抗血吸虫活性
IF 2.2 4区 医学 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2024-03-21 DOI: 10.1155/2024/8074291
Deryl Nii Okantey Kuevi, Jennifer Keiser, Cécile Häberli, Abena Konadu Owusu-Senyah, Mawutor Kwame Ahiabu
Background. Schistosomiasis is caused by parasitic flatworms and the disease is endemic to most countries in sub-Saharan Africa including Ghana. The current therapeutic agent for managing this disease solely relies on praziquantel. The continual dependence on this single available drug could lead to possible drug resistance. This study seeks to evaluate the antischistosomal activity of the following Ghanaian medicinal plants: Khaya senegalensis, Vernonia amygdalina, Clausena anisata, and Bridelia ferruginea. Methodology. Two concentrations (100 μg/mL and 50 μg/mL) of each extract were tested in a 96-well plate containing 30 newly transformed schistosomula (NTS). Moreover, six worms of both sexes of adult Schistosoma mansoni were exposed to the extracts diluted in the RPMI medium. The assay was performed in a 24-well plate. The parasitic worms were examined using an inverted optical microscope. Results. At 100 μg/mL and 50 μg/mL, all extracts performed better and showed strong activity () against NTS; thus, 98.08%, 100%, 80.77%, and 100% for Clausena, Vernonia, Bridelia, and Khaya, respectively, when compared to praziquantel. Strong activity was recorded when the extracts underwent testing against Schistosoma mansoni adults at 100 μg/mL; 96.35%, 100%, and 94.55% for Vernonia, Bridelia, and Khaya, respectively, except for Clausena which exhibited weak activity, i.e., 56.02%. There was no significant difference between Vernonia, Bridelia, and Khaya when compared to praziquantel. Conclusion. At 100 μg/mL, Khaya senegalensis, Vernonia amygdalina, and Bridelia ferruginea extracts demonstrated strong activity against both schistosomula and adult Schistosoma mansoni. These data can serve as baseline information in the quest to find alternative therapeutic agents to treat schistosomiasis.
背景。血吸虫病由扁形寄生虫引起,在包括加纳在内的撒哈拉以南非洲大多数国家流行。目前治疗这种疾病的药物主要是吡喹酮。对这种单一药物的持续依赖可能会导致耐药性。本研究旨在评估以下加纳药用植物的抗吸虫活性:Khaya senegalensis、Vernonia amygdalina、Clausena anisata 和 Bridelia ferruginea。研究方法。在含有 30 只新转化血吸虫(NTS)的 96 孔板中测试每种提取物的两种浓度(100 μg/mL 和 50 μg/mL)。此外,曼氏血吸虫成虫的 6 只雌雄虫也暴露于稀释在 RPMI 培养基中的提取物。试验在 24 孔板中进行。使用倒置光学显微镜检查寄生虫。结果在100 μg/mL和50 μg/mL浓度下,所有提取物对NTS都有较好的活性,与吡喹酮相比,Clausena、Vernonia、Bridelia和Khaya的活性分别为98.08%、100%、80.77%和100%。在对曼氏血吸虫成虫进行 100 μg/mL 的测试时,Vernonia、Bridelia 和 Khaya 的提取物具有很强的活性,分别为 96.35%、100% 和 94.55%,只有 Clausena 的活性较弱,仅为 56.02%。与吡喹酮相比,Vernonia、Bridelia 和 Khaya 没有明显差异。结论在 100 μg/mL 的浓度下,Khaya senegalensis、Vernonia amygdalina 和 Bridelia ferruginea 提取物对血吸虫和曼氏血吸虫成虫都有很强的活性。这些数据可作为寻找治疗血吸虫病的替代药物的基础信息。
{"title":"In Vitro Antischistosomal Activity of Bridelia ferruginea, Clausena anisata, Khaya senegalensis, and Vernonia amygdalina","authors":"Deryl Nii Okantey Kuevi, Jennifer Keiser, Cécile Häberli, Abena Konadu Owusu-Senyah, Mawutor Kwame Ahiabu","doi":"10.1155/2024/8074291","DOIUrl":"https://doi.org/10.1155/2024/8074291","url":null,"abstract":"<i>Background</i>. Schistosomiasis is caused by parasitic flatworms and the disease is endemic to most countries in sub-Saharan Africa including Ghana. The current therapeutic agent for managing this disease solely relies on praziquantel. The continual dependence on this single available drug could lead to possible drug resistance. This study seeks to evaluate the antischistosomal activity of the following Ghanaian medicinal plants: <i>Khaya senegalensis</i>, <i>Vernonia amygdalina</i>, <i>Clausena anisata</i>, and <i>Bridelia ferruginea. Methodology</i>. Two concentrations (100 <i>μ</i>g/mL and 50 <i>μ</i>g/mL) of each extract were tested in a 96-well plate containing 30 newly transformed schistosomula (NTS). Moreover, six worms of both sexes of adult <i>Schistosoma mansoni</i> were exposed to the extracts diluted in the RPMI medium. The assay was performed in a 24-well plate. The parasitic worms were examined using an inverted optical microscope. <i>Results</i>. At 100 <i>μ</i>g/mL and 50 <i>μ</i>g/mL, all extracts performed better and showed strong activity (<span><svg height=\"11.7782pt\" style=\"vertical-align:-3.42938pt\" version=\"1.1\" viewbox=\"-0.0498162 -8.34882 18.973 11.7782\" width=\"18.973pt\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\"><g transform=\"matrix(.013,0,0,-0.013,0,0)\"></path></g><g transform=\"matrix(.013,0,0,-0.013,11.342,0)\"></path></g></svg><span></span><span><svg height=\"11.7782pt\" style=\"vertical-align:-3.42938pt\" version=\"1.1\" viewbox=\"22.555183800000002 -8.34882 28.184 11.7782\" width=\"28.184pt\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\"><g transform=\"matrix(.013,0,0,-0.013,22.605,0)\"></path></g><g transform=\"matrix(.013,0,0,-0.013,28.845,0)\"></path></g><g transform=\"matrix(.013,0,0,-0.013,31.809,0)\"><use xlink:href=\"#g113-49\"></use></g><g transform=\"matrix(.013,0,0,-0.013,38.049,0)\"><use xlink:href=\"#g113-49\"></use></g><g transform=\"matrix(.013,0,0,-0.013,44.289,0)\"></path></g></svg>)</span></span> against NTS; thus, 98.08%, 100%, 80.77%, and 100% for Clausena, Vernonia, Bridelia, and Khaya, respectively, when compared to praziquantel. Strong activity was recorded when the extracts underwent testing against <i>Schistosoma mansoni</i> adults at 100 <i>μ</i>g/mL; 96.35%, 100%, and 94.55% for Vernonia, Bridelia, and Khaya, respectively, except for Clausena which exhibited weak activity, i.e., 56.02%. There was no significant difference between Vernonia, Bridelia, and Khaya when compared to praziquantel. <i>Conclusion</i>. At 100 <i>μ</i>g/mL, <i>Khaya senegalensis</i>, <i>Vernonia amygdalina</i>, and <i>Bridelia ferruginea</i> extracts demonstrated strong activity against both schistosomula and adult <i>Schistosoma mansoni</i>. These data can serve as baseline information in the quest to find alternative therapeutic agents to treat schistosomiasis.","PeriodicalId":17527,"journal":{"name":"Journal of Tropical Medicine","volume":"79 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140201105","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MicroRNA-1 Inhibits the Growth of Breast Cancer Cells MDA-MB-231 and MCF-7 Treated with Hydatid Cyst Fluid MicroRNA-1 可抑制经水瘤囊液处理的乳腺癌细胞 MDA-MB-231 和 MCF-7 的生长
IF 2.2 4区 医学 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2024-03-12 DOI: 10.1155/2024/7474039
Hadis Jafari, Mahmoud Mahami-Oskouei, Adel Spotin, Behzad Baradaran, Dariush Shanehbandi, Amir Baghbanzadeh, Zahra Alizadeh
Antigens in hydatid cyst fluid (HCF) have been discovered to bear a significant resemblance to antigens present in cancer cells. MicroRNA-1 (miR-1) is a well-known member of the tumor inhibitor miRNA family and has been shown to have pro-apoptotic and tumor-inhibitory functions. This study aimed to evaluate the ability of HCF to prevent breast cancer and to explore the underlying mechanisms that affect cancer cells. For this study, MDA-MB-231 and MCF-7 breast cancer cells were cultured and divided into two groups: one group received HCF treatment and the other group was untreated and served as the control group. The cytotoxicity and cell viability of various HCF concentrations on breast cancer cells were evaluated using the MTT assay. In addition, the expression level of miR-1 in HCF-treated and untreated breast cancer cells was analyzed using qRT-PCR. The study found that HCF treatment reduced the growth of MDA-MB-231 and MCF-7 breast cancer cells, indicating that it was cytotoxic to the cells. Specifically, the IC50 concentration of HCF after 24 hours of treatment was 7.32 <i>µ</i>g/mL for MDA-MB-231 cells and 13.63 <i>µ</i>g/mL for MCF-7 cells. In addition, qRT-PCR analysis revealed that the expression level of miR-1 was significantly increased in HCF-treated MDA-MB-231 (<span><svg height="8.8423pt" style="vertical-align:-0.2064009pt" version="1.1" viewbox="-0.0498162 -8.6359 19.289 8.8423" width="19.289pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"></path></g><g transform="matrix(.013,0,0,-0.013,11.658,0)"></path></g></svg><span></span><span><svg height="8.8423pt" style="vertical-align:-0.2064009pt" version="1.1" viewbox="22.8711838 -8.6359 34.445 8.8423" width="34.445pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,22.921,0)"></path></g><g transform="matrix(.013,0,0,-0.013,29.161,0)"></path></g><g transform="matrix(.013,0,0,-0.013,32.125,0)"><use xlink:href="#g113-49"></use></g><g transform="matrix(.013,0,0,-0.013,38.365,0)"></path></g><g transform="matrix(.013,0,0,-0.013,44.605,0)"><use xlink:href="#g113-49"></use></g><g transform="matrix(.013,0,0,-0.013,50.845,0)"></path></g></svg>)</span></span> and MCF-7 (<span><svg height="8.8423pt" style="vertical-align:-0.2064009pt" version="1.1" viewbox="-0.0498162 -8.6359 19.289 8.8423" width="19.289pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><use xlink:href="#g113-81"></use></g><g transform="matrix(.013,0,0,-0.013,11.658,0)"><use xlink:href="#g117-34"></use></g></svg><span></span><span><svg height="8.8423pt" style="vertical-align:-0.2064009pt" version="1.1" viewbox="22.8711838 -8.6359 34.445 8.8423" width="34.445pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,22.921,0)"><use xlink:href="#g113-49"></use><
研究发现,包虫囊肿液(HCF)中的抗原与癌细胞中的抗原非常相似。微RNA-1(miR-1)是众所周知的肿瘤抑制剂miRNA家族成员,已被证明具有促凋亡和抑制肿瘤的功能。本研究旨在评估 HCF 预防乳腺癌的能力,并探索影响癌细胞的潜在机制。在本研究中,培养了 MDA-MB-231 和 MCF-7 乳腺癌细胞,并将其分为两组:一组接受 HCF 处理,另一组未经处理,作为对照组。采用 MTT 法评估不同浓度的 HCF 对乳腺癌细胞的细胞毒性和细胞活力。此外,还使用 qRT-PCR 分析了经 HCF 处理和未处理的乳腺癌细胞中 miR-1 的表达水平。研究发现,HCF 处理可降低 MDA-MB-231 和 MCF-7 乳腺癌细胞的生长,表明它对细胞具有细胞毒性。具体来说,处理 24 小时后,HCF 对 MDA-MB-231 细胞的 IC50 浓度为 7.32 微克/毫升,对 MCF-7 细胞的 IC50 浓度为 13.63 微克/毫升。此外,qRT-PCR分析显示,与未处理的对照组相比,经HCF处理的MDA-MB-231()和MCF-7()细胞系中miR-1的表达水平显著增加。尽管研究表明 HCF 可抑制乳腺癌细胞的生长,并上调 miR-1(癌细胞中的一种关键肿瘤抑制因子),但这种作用的具体机制仍不清楚。要全面了解 HCF 抗肿瘤活性的分子途径及其作为癌症治疗剂的潜力,还需要进一步的研究。
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Journal of Tropical Medicine
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