نتایج جستجو برای: complement 3
تعداد نتایج: 1868829 فیلتر نتایج به سال:
Despite the potent immunosuppressive activity that mesenchymal stem cells (MSCs) display in vitro, recent clinical trial results are disappointing, suggesting that MSC viability and/or function are greatly reduced after infusion. In this report, we demonstrated that human MSCs activated complement of the innate immunity after their contact with serum. Although all 3 known intrinsic cell-surface...
Despite the potent immunosuppressive activity that mesenchymal stem cells (MSCs) display in vitro, recent clinical trial results are disappointing, suggesting that MSC viability and/or function are greatly reduced after infusion. In this report, we demonstrated that human MSCs activated complement of the innate immunity after their contact with serum. Although all 3 known intrinsic cell-surface...
BACKGROUND One virulence property of Borrelia burgdorferi is its resistance to innate immunity, in particular to complement-mediated killing. Serum-resistant B. burgdorferi express up to five distinct complement regulator-acquiring surface proteins (CRASP) which interact with complement regulator factor H (CFH) and factor H-like protein 1 (FHL1) or factor H-related protein 1 (CFHR1). In the pre...
The filarial parasite Onchocerca volvulus is the causative agent of river blindness. The adult worms produce microfilariae (mf), which are responsible for the disease pathogenesis; mf activate the complement system, but the activation stops before the formation of terminal complement complexes. Because of the arrest of complement activation, this study analyzed binding of the main alternative p...
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