نتایج جستجو برای: c3
تعداد نتایج: 16430 فیلتر نتایج به سال:
Dendritic cell (DC) is the most potent activator of CD4+ T cells and has unique dendrites and veils. To explore the function of Rho in DC, exoenzyme C3 from Clostridium botulinum was used as a specific inhibitor of Rho. Treatment of DC with C3 (DC/C3) resulted in profound morphological changes by losing dendrites and emerging of shrunk membrane processes that were in parallel with marked reduct...
Complement activation is associated with a variety of immunologically-mediated renal diseases. Proximal tubular epithelial cells in situ constitutively express messenger RNA for C4 of the complement system. These same epithelial cells in culture have been reported to contain message for C3 and to secrete this protein when stimulated by IL-2. The present study compared the in situ localization o...
Although capsular polysaccharide (CPS) is critical for meningococcal virulence, the molecular basis of alternative complement pathway (AP) regulation by meningococcal CPSs remains unclear. Using serum with only the AP active, the ability of strains to generate C3a (a measure of C3 activation) and subsequently deposit C3 fragments on bacteria was studied in encapsulated groups A, B, C, W135 and ...
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