Zika

zika
  • 文章类型: Journal Article
    蚊媒疾病在许多东南亚国家构成重大威胁,特别是在三级制循环中,在森林和农村地区有野生动物水库。研究媒介和病原体传播的组成和多样性在森林和农村地区尤其具有挑战性,有限的可访问性,缺乏权力,和不发达的基础设施。这项研究是基于世界卫生组织的蚊子采样协议,修改技术细节,以支持在难以进入和资源有限的地区收集蚊子。具体来说,我们描述了使用可充电锂电池和太阳能电池板为诱蚊器供电的过程,演示在-20°C冰箱中处理和储存蚊子的工作流程,数据管理工具,包括小气候数据,和质量保证过程,以确保结果的有效性和可靠性。使用前后测试来衡量参与者的知识水平。需要进行更多的研究来验证该协议,以监测其他国家和地区难以到达的地区的媒介传播疾病。
    Mosquito-borne diseases pose a significant threat in many Southeast Asian countries, particularly through the sylvatic cycle, which has a wildlife reservoir in forests and rural areas. Studying the composition and diversity of vectors and pathogen transmission is especially challenging in forests and rural areas due to their remoteness, limited accessibility, lack of power, and underdeveloped infrastructure. This study is based on the WHO mosquito sampling protocol, modifies technical details to support mosquito collection in difficult-to-access and resource-limited areas. Specifically, we describe the procedure for using rechargeable lithium batteries and solar panels to power the mosquito traps, demonstrate a workflow for processing and storing the mosquitoes in a -20 °C freezer, data management tools including microclimate data, and quality assurance processes to ensure the validity and reliability of the results. A pre- and post-test was utilized to measure participant knowledge levels. Additional research is needed to validate this protocol for monitoring vector-borne diseases in hard-to-reach areas within other countries and settings.
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  • 文章类型: Journal Article
    The Zika virus has recently become a subject of acute interest after the discovery of the link between viral infection and microcephaly in infants. Though a number of treatments are under active investigation, there are currently no approved treatments for the disease. To address this critical need, we screened more than 7 million compounds targeting the NS2B-NS3 protease in an attempt to identify promising inhibitor candidates. Starting with commercially and freely available compounds, we identified six hits utilizing an exhaustive consensus screening protocol, followed by molecular dynamics simulation and binding energy estimation using MM/GBSA and MM/PBSA methods. These compounds feature a variety of cores and functionalities, and all are predicted to have good pharmacokinetic profiles, making them promising candidates for screening assays. Graphical abstract Virtual screen of potential Zika virus NS2B-NS3 protease inhibitors.
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  • 文章类型: Journal Article
    在过去的两年里,寨卡病毒已经从默默无闻地出现在世界舞台上——穿越和超越临床专业,基础科学学科,和公共卫生工作。寨卡病毒的传播对生殖内分泌学和不育的特殊性具有严重影响。我们的病人,实践,世界各地的实验室,特别是在美国,都受到了这种致畸的影响,性传播,主要是无症状病毒。虽然世界卫生组织的“国际关注的公共紧急情况”名称已经失效,因为主要流行病已经消退,对风险的理解已经部分澄清,对孕妇的急性和长期威胁尚未结束。在美国广泛传播的风险并不微不足道,除了小头畸形之外的更微妙和更长远的后果还不完全清楚,大的风险地理区域仍然包含幼稚的人口,寨卡病毒是否会继续成为流行地区的间歇性风险尚不确定。保持对寨卡病毒的最新研究是不孕症专家的重要目标。这里,我们详细回顾了最相关的最新发展,讨论适用的指导方针,并提出有助于降低寨卡病毒风险和负担的策略。
    In the past 2 years, Zika virus has emerged from obscurity onto the world stage-traversing and transcending clinical specialties, basic science disciplines, and public health efforts. The spread of Zika virus has serious implications for the specialty of reproductive endocrinology and infertility. Our patients, practices, and labs-worldwide and specifically in the USA-have been impacted by this teratogenic, sexually transmitted, largely asymptomatic virus. While the World Health Organization\'s Public Emergency of International Concern designation has lapsed as major epidemics have subsided and understanding of risks is in part clarified, the acute and long-term threat to pregnant patients is not over. The risk of wider spread in the USA is not insignificant, the subtler and long-ranging consequences beyond microcephaly are not fully known, large geographic areas of risk still contain naïve populations, and whether Zika will continue to be an intermittent risk in endemic areas is uncertain. Staying up to date with the burgeoning research on Zika virus is an important objective for the infertility specialist. Here, we review in detail the most relevant recent developments, discuss applicable guidelines, and propose strategies for contributing to a reduction in the risk and burden of Zika virus.
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