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首页> 外文期刊>PLOS Neglected Tropical Diseases >Heme crystallization in a Chagas disease vector acts as a redox-protective mechanism to allow insect reproduction and parasite infection
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Heme crystallization in a Chagas disease vector acts as a redox-protective mechanism to allow insect reproduction and parasite infection

机译:恰加斯病病毒载体中的血红素结晶起氧化还原保护作用,可允许昆虫繁殖和寄生虫感染

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Author summary Chagas disease is a fatal illness caused by Trypanosoma cruzi parasites, which are transmitted by blood sucking triatomine insect vectors. Although blood is a natural food source for these insects, its digestion releases toxic products, which poses a dietary challenge for both triatomine insects and trypanosomes. To overcome this, triatomines eliminate these toxic blood products by a unique process of heme crystallization into hemozoin that take place in their digestive tract. Here we describe that this detoxification process represents the major mechanism for redox balance control, and is necessary to allow triatomine insect reproduction, and Trypanosoma cruzi infection. Disruption of heme crystallization in triatomine insects thus represents a new venue for Chagas disease control, by targeting at the same time insect reproduction and parasite transmission.
机译:作者摘要恰加斯病是由克鲁氏锥虫寄生虫引起的致命疾病,锥虫是通过吸血三聚氰胺昆虫载体传播的。尽管血液是这些昆虫的天然食物来源,但血液的消化会释放出有毒的产品,这对三atom素昆虫和锥虫都构成了饮食挑战。为了克服这个问题,三氢嘧啶类化合物通过在其消化道中发生的血红素独特的血红素结晶过程,消除了这些有毒的血液产物。在这里,我们描述了此排毒过程代表了氧化还原平衡控制的主要机制,并且对于允许散发三聚氰胺的昆虫繁殖和克氏锥虫感染是必要的。因此,通过同时靶向昆虫繁殖和寄生虫传播,破坏了三硅藻类昆虫中血红素的结晶,为控制南美锥虫病提供了新的场所。

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