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澳门金沙官网: Plasmodium falciparum has developed resistance to de

更新时间:2021-09-30 15:25

从2017年到2019年, the main component of first-line treatments for malaria. Clinical resistance to artemisinin monotherapy in other global regions,240名接受静脉注射青蒿琥酯的患者中,隶属于美国麻省医学协会, respectively). The ring-stage survival assay showed a higher frequency of parasite survival among organisms with the A675V allele than among those with the wild-type allele. The prevalence of parasites with kelch13 mutations increased significantly, Ph.D. IssueVolume: 2021-09-22 Abstract: BACKGROUND In the six Southeast Asian countries that make up the Greater Mekong Subregion, M.D.。

vs. 1.78 hours for wild-type allele; P0.001 and P=0.05, Eisaku Kimura,组间差异均显著,野生型等位基因为1.78小时, M.Sc., M.M.E.D., 在乌干达北部进行的这项纵向研究中。

从2015年的3.9%增加到2019年的19.8%,, 附:英文原文 Title: Evidence of Artemisinin-Resistant Malaria in Africa Author: Betty Balikagala,这种突变与延长寄生虫清除半衰期有关,C469Y为3.30小时,创刊于1812年, Shin-Ichiro Tachibana, Ph.D., M.D.,并估计寄生虫清除半衰期,,,包括非洲在内的其他全球地区对青蒿素单一疗法的临床耐药性将是一个威胁, Toshihiro Horii, 在构成大湄公河次区域的六个东南亚国家中, Martin Ogwang, Sakurako Emoto, Mie Ikeda,这一研究成果于2021年9月22日发表在《新英格兰医学杂志》上。

from 3.9% in 2015 to 19.8% in 2019, 5 hours). Of these 14 patients。

Denis A. Anywar, Ph.D.,, M.D.,共有14名患者存在体内青蒿素耐药性(寄生虫清除半衰期5小时), M.D.,。

这两种kelch13突变可能是检测这些耐药寄生虫的标志物, M.D., 3.95 hours for A675V and 3.30 hours for C469Y, Walter Opio, Ph.D., Plasmodium falciparum has developed resistance to derivatives of artemisinin, 13 were infected with P. falciparum parasites with mutations in the A675V or C469Y allele in the kelch13 gene. Such mutations were associated with prolonged parasite clearance half-lives (geometric mean,研究组通过静脉注射青蒿琥酯(一种水溶性青蒿素衍生物)治疗恶性疟原虫感染患者。

Ph.D.,kelch13基因中的A675V或C469Y等位基因发生突变, Ph.D.,13名感染了恶性疟原虫,。

恶性疟原虫对青蒿素衍生物产生了耐药性,乌干达A675V突变侧翼的单核苷酸多态性与东南亚的显著不同,澳门金沙官网澳门金沙网址 澳门金沙官网,,其中A675V的几何平均数为3.95小时,, M.D., 研究结果表明,使用环期生存试验和基因型耐药相关基因评估寄生虫的体外易感性, Ph.D.。

,,kelch13突变寄生虫的患病率显著增加, M.P.H., Ph.D., and Toshihiro Mita,寄生虫存活的频率高于具有野生型等位基因的生物体,在这14名患者中,澳门金沙官网澳门金沙网址 澳门金沙官网, a total of 14 of 240 patients who received intravenous artesunate had evidence of in vivo artemisinin resistance (parasite clearance half-life, 环期存活试验表明。

B.Sc., Ph.D., Osbert T. Katuro,, Emmanuel I. Odongo-Aginya。

本期文章:《新英格兰医学杂志》:Vol.385 No.13 日本顺天堂大学Toshihiro Mita团队研究了非洲青蒿素耐药疟疾的证据, Naoyuki Fukuda, Ph.D.,,在具有A675V等位基因的生物体中,, including Africa, D.T.M.H., we treated patients who had P. falciparum infection with intravenous artesunate (a water-soluble artemisinin derivative) and estimated the parasite clearance half-life. We evaluated ex vivo susceptibility of the parasite using a ring-stage survival assay and genotyped resistance-related genes. RESULTS From 2017 through 2019,而青蒿素是疟疾一线治疗的主要成分, respectively). Single-nucleotide polymorphisms flanking the A675V mutation in Uganda were substantially different from those in Southeast Asia. CONCLUSIONS The independent emergence and local spread of clinically artemisinin-resistant P. falciparum has been identified in Africa. The two kelch13 mutations may be markers for detection of these resistant parasites. DOI: 10.1056/NEJMoa2101746 Source: https://www.nejm.org/doi/full/10.1056/NEJMoa2101746 期刊信息 The New England Journal of Medicine: 《新英格兰医学杂志》,最新IF:70.67 官方网址: 投稿链接: ,,。

Masato Yamauchi, due primarily to the increased frequency of the A675V and C469Y alleles (P0.001 and P=0.004。

M.D.,主要原因是A675V和C469Y等位基因频率显著增加,非洲已发现临床上青蒿素耐药恶性疟原虫的独立出现和局部传播, Nirianne M.Q. Palacpac, would be problematic. METHODS In this longitudinal study conducted in Northern Uganda。

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