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|標題:||Formation of basement membrane-like structure terminates the cellular encapsulation of microfilariae in the haemocoel of Anopheles quadrimaculatus||作者:||Liu, C.T.
|關鍵字:||Anopheles quadrimaculatus;basement membrane-like structure;Brugia;pahangi;cationic colloidal gold;cellular encapsulation;termination;brugia-pahangi;hemocytes;melanization;dictyoptera||Project:||Parasitology||期刊/報告no：:||Parasitology, Volume 116, Page(s) 511-518.||摘要:||
The encapsulation of microfilariae in the haemocoels of mosquitoes combines both humoral and cellular reactions: the microfilariae are first encased in an acellular layer of melanin, followed by a cellular encapsulation by plasmatocytes. In this study, we demonstrated that cellular encapsulation of Brugia pahangi microfilariae in the haemocoel of the mosquito Anopheles quadrimaculatus was terminated by the formation of a basement membrane-like structure on the outermost surface of the cellular capsule. This structure occurred in the early stage of cellular encapsulation and was evident on the exterior surface of the plasmatocyte, when the active haemocytes were attaching to the already melanized microfilariae. The termination structure appears to be laid down by releasing the vesicle inclusions of haemocytes and has similarities in ultrastructure and cationic colloidal gold staining properties with that of mosquito basement membranes.
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