(immunology) an antigen, part of the T cell receptor (TCR) complex on mature T lymphocytes

(biochemistry) Initialism of cluster of differentiation 147.. A cellular receptor, associated with malaria, COVID-19, type-2 diabetes

plural of CD4

(countable, uncountable, immunology) A glycoprotein found on the surface of cytotoxic T cells and several other types of immune cells. / (countable, immunology) A CD8+ cytotoxic T cell.

a C-type lectin acting as receptor for IgE, found on mature B cells, activated macrophages, eosinophils, follicular dendritic cells, and platelets

a zinc-dependent metalloprotease, expressed in a wide variety of tissues, especially in kidney and on pre-B lymphocytes

a costimulatory protein found on antigen presenting cells and required for their activation by CD154 of T_H cells, with deficiency of CD40 possibly leading to hyper-IgM syndrome type 3.

enzyme involved in the regulation of signal transduction in hematopoiesis; used histologically to differentiate between lymphomas and carcinomas

(biochemistry) The α (alpha) component of various integrins, especially ones in which the β (beta) component is CD18 (i.e. β2) and which mediate leukocyte adhesion.

a cell surface glycoprotein which is typically expressed on endothelial and immune system cells, exploited by human rhinovirus as a receptor for cellular entry.