نتایج جستجو برای: cd8 deficiency
تعداد نتایج: 175120 فیلتر نتایج به سال:
"assessment of lymphocyte subgroups in chronic brucellosis before and after immunotherapy"
brucellosis is an infectious disease and it seems that it affects human immune system and can cause acute, subacute and chronic clinical features. forty patients suffering from chronic brucellosis were studied for cd3+, cd4+,cd8+, cd19+, cells and cd4+/cd8+ ratio by flow cytometry before and after treatment with antibiotics and immunopotentiators. the results were compared with 15 healthy contr...
Background: The aim of preliminary study was determined development process status of T-cell population lymphocytes in Ukrainian children after 22 years from Chernobyl accident for next feasibility study. Material and Method: 150 participants aged 6 to 16 years are included in three groups: Group I (n=65), 30 to 60 km from center accident at zone 3th, Group II (n=65) 60 to 90 km from s...
Dap12 and FcRγ, the two transmembrane ITAM-containing signaling adaptors expressed in dendritic cells (DC), are implicated in the regulation of DC function. Several activating and adhesion receptors including integrins require these chains for their function in triggering downstream signaling and effector pathways, however the exact role(s) for Dap12 and FcRγ remains elusive as their loss can l...
BACKGROUND A CD8 cutaneous lymphoinfiltrative disease has been described in human immunodeficiency virus (HIV)-infected patients presenting with a severe erythroderma. The true nature of this severe skin infiltrative disorder is still elusive. Although some clinical features of this syndrome have raised the hypothesis of its malignant nature in initial observations, several studies have provide...
DCs very potently activate CD8(+) T cells specific for viral peptides bound to MHC class I molecules. However, many viruses have evolved immune evasion mechanisms, which inactivate infected DCs and might reduce priming of T cells. Then MHC class I cross-presentation of exogenous viral Ag by non-infected DCs may become crucial to assure CD8(+) T cell responses. Although many vital functions of i...
The human genetic disease X-linked lymphoproliferative disease (XLP), which is caused by mutations in SH2D1A/SAP that encode SLAM-associated protein (SAP), is characterized by an inability to control Epstein-Barr virus (EBV) and hypogammaglobulinemia. It is unclear which aspects of XLP disease are specific to herpesvirus infection and which reflect general immunologic functions performed by SAP...
Memory CD8(+) T cells are an essential component of protective immunity. Signaling via mechanistic target of rapamycin (mTOR) has been implicated in the regulation of the differentiation of effector and memory T cells. However, little is understood about the mechanisms that control mTOR activity, or the effector pathways regulated by mTOR. We describe here that tuberous sclerosis 1 (Tsc1), a re...
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