Southwestern Internal Medicine Conference: Shiga-like toxins in hemolytic-uremic syndrome and thrombotic thrombocytopenic purpura.

Southwestern Internal Medicine Conference: Shiga-like toxins in hemolytic-uremic syndrome and thrombotic thrombocytopenic purpura.
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西南内科会议:溶血尿毒症综合征和血栓性血小板减少性紫癜中的志贺样毒素。

DOI:
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发表时间:
1993
影响因子:
3.1
通讯作者:
Sandra L. Hofmann
Sandra L. Hofmann
中科院分区:
医学4区
文献类型:
--
作者:
Sandra L. Hofmann

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大多数溶血性尿毒症综合征病例和一小部分血栓性血小板减少性紫癜病例最近被证明是由肠道细菌产生的毒素(称为verotoxin或志贺样毒素)引起的。北美主要的产毒素细菌菌株是大肠杆菌。大肠杆菌O157:H7,在人类摄入受污染的肉类后导致出血性结肠炎。毒素被认为是从肠壁进入循环,然后与肾血管内皮细胞上丰富的特异性糖脂受体结合。该毒素使细胞内的核糖体失活,从而杀死它们并产生溶血性尿毒症综合征的临床表现。认识溶血性尿毒症综合征的病因可能会导致更好的预防和治疗的前景。
The majority of cases of hemolytic-uremic syndrome and a smaller proportion of cases of thrombotic thrombocytopenic purpura have recently been shown to result from a toxin produced by enteric bacteria, referred to as verotoxin, or Shiga-like toxin. The predominant toxin-producing bacterial strain in North America is E. coli O157:H7, which causes hemorrhagic colitis in humans after ingestion of contaminated meat. The toxin is believed to gain entry to the circulation from the bowel wall; it then binds to specific glycolipid receptors abundant on renal vascular endothelial cells. The toxin inactivates ribosomes inside the cells, thereby killing them and producing the clinical manifestations of hemolytic-uremic syndrome. Recognition of the etiology of hemolytic-uremic syndrome may lead to better prospects for prevention and treatment.
DOI: 10.1016/s0021-9258(18)82282-7
发表时间: 1993-07
期刊: The Journal of biological chemistry
影响因子: --
作者:
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