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首页> 外文期刊>Journal of Medical Entomology >Induced immunity against the mosquito anopheles stephensi (Diptera : Culicidae): Effects of cell fraction antigens on survival, fecundity, and Plasmodium berghei (Eucoccidiida : Plasmodiidae) transmission
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Induced immunity against the mosquito anopheles stephensi (Diptera : Culicidae): Effects of cell fraction antigens on survival, fecundity, and Plasmodium berghei (Eucoccidiida : Plasmodiidae) transmission

机译：诱导的针对蚊子按蚊（Diptera：Culicidae）的免疫力：细胞组分抗原对存活，繁殖力和伯氏疟原虫（Eucoccidiida：Plasmodiidae）传播的影响

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摘要

Two subcellular fractions from the midgut of the malaria mosquito Anopheles stephensi (Liston) were used to immunize BALB/c mice. Mice were subsequently infected with the rodent malaria parasite Plasmodium berghei (Vincke & Lips), and the effects of anti-mosquito immunity on mosquito survival and fecundity and on parasite transmission were investigated. Mosquitoes were infected directly from mice (in vivo) or by feeding cultured ookinetes through a membrane (in vitro). Infections were monitored by counting oocysts on the midgut wall. Microvilli extracts induced a strong and partially specific antibody reaction against the midgut, which was manifest as decreased survival in in vivo fed mosquitoes and reduced fecundity in both kinds of feeding. Antisera against microvilli reduced the mean intensity of P. berghei oocysts when fed in vitro, while mosquitoes fed antiserum against basolateral plasma membranes in vivo, showed higher oocyst burdens.
机译：来自疟疾蚊按蚊（Liston）中肠的两个亚细胞部分被用于免疫BALB / c小鼠。随后用啮齿动物疟疾寄生虫伯氏疟原虫（Vincke＆Lips）感染小鼠，并研究了抗蚊免疫对蚊存活和繁殖力以及寄生虫传播的影响。蚊子是直接从小鼠体内感染的（体内），也可以是通过膜培养的动植物（体外）感染的。通过计数中肠壁上的卵囊来监测感染。微绒毛提取物诱导了针对中肠的强烈且部分特异性的抗体反应，这表现为体内饲喂蚊子的存活期降低和两种饲喂期的繁殖力降低。体外喂食抗微绒毛的抗血清降低了伯氏疟原虫卵囊的平均强度，而体内喂食了抗基底外侧质膜抗血清的蚊子则显示出更高的卵囊负担。

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