نتایج جستجو برای: major type
تعداد نتایج: 1868036 فیلتر نتایج به سال:
Long-term immunity to Leishmania may require the continued presence of parasites, but previous attempts to create attenuated parasites that persist without causing disease have had limited success. Since Leishmania major mutants that lack lipophosphoglycan and other secreted phosphoglycans, termed lpg2-, persist indefinitely in infected mice without inducing any disease, we tested their ability...
Antigen cross-presentation, the process in which exogenous antigens are presented on MHC class I molecules, is crucial for the generation of effector CD8(+) T cell responses. Although multiple cell types are being described to be able to cross-present antigens, in vivo this task is mainly carried out by certain subsets of dendritic cells (DCs). Aspects such as the internalization route, the pat...
Recent studies indicate that both CD4+ and CD8+ T lymphocytes proliferate in vitro in response to Mls-1a-encoded determinants. Using both immunogenetic and antibody blocking approaches we show here that Mls-1a responses of both subsets require expression of major histocompatibility complex (MHC) class II molecules (I-A and/or I-E) by the stimulator cells. Furthermore, CD8+ T cell responses to M...
'CR analysis. ere so-called :ather, thl:\c he technIcal experinL' n I alated U'"1g Ihis methlld not so high ility of CD4 f the causal. phenome_ lsplantalion .
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