class II antigen


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class II antigen

Any of the major histocompatibility molecules present on immunocompetent cells.
See also: antigen
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
The strong expression of MHC class II antigens in mucosal epithelial cells of AIA specimens and approximately 50% of HCNA specimens adds further proof to an active inflammatory process even though the appendix appeared normal at operation and by histologic examination.
Nosov, "Soluble HLA class I and HLA class II antigens in the blood of HIV infected patients," Zhurnal Mikrobiologii, Epidemiologii, Iimmunobiologii, vol.
T-cell-mediated reactions can take place through CD4 T-cells for HLA class II antigens or cytotoxic CD8 T-cells for HLA class I (A, B, or C) antigens [32].
Rapid DNA typing of class II antigens using the PCR and reverse dot blot hybridization.
HLA Class II antigens and haplotypes in the Vojvodina population: relationship to other populations.
Burke et al., "Preformed IgG antibodies against major histocompatibility complex class II antigens are major risk factors for high-grade cellular rejection in recipients of heart transplantation," Circulation, vol.
Sequential analysis of HLA-class II antigen expression in human renal allografts--induction of tubular class II antigens and correlation with clinical parameters.
(25) The antigen presenting capacity (APC) (26) of trachea tissue is well established, with it demonstrating the ability to secrete IL-1 and to express MHC class II antigens. (27) Its action was also observed to result in an increase in the activation of both macrophages and cytotoxic T cells, along with a stimulation of B cells, resulting in an increase in immunoglobulins A, G and M, with an overall increase in antimitotic activity.
These results suggest that HLA association with HCV infection involves both class I and class II antigens. Taken together, our results suggest that HLA associations with the hepatitis C infection vary in relation to the ethnicity of the population studied.
It down-regulates the expression of The cytokines, MHC class II antigens, and co-stimulatory molecules on macrophages.
Specifically, class II antigens present foreign antigens to both [CD4.sup.+] helper-T lymphocytes (Th-1 and Th-2), leading to both humoral and cell-mediated immune responses (Delves and Roitt 2000).
8:00am-8:45am Vaccines Harnessing MHC Class II Antigens to