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If the lymph node or similar tissue is reactive, or otherwise benign, it should possess a mixture of kappa positive and lambda positive cells. If, however, one type of light chain is significantly more common than the other, the cells are likely all derived from a small clonal population, which may indicate a malignant condition, such as B-cell ...
596 12043 Ensembl ENSG00000171791 ENSMUSG00000057329 UniProt P10415 P10417 RefSeq (mRNA) NM_000633 NM_000657 NM_009741 NM_177410 RefSeq (protein) NP_000624 NP_000648 NP_033871 NP_803129 Location (UCSC) Chr 18: 63.12 – 63.32 Mb Chr 1: 106.47 – 106.64 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Bcl-2, encoded in humans by the BCL2 gene, is the founding member of the Bcl-2 ...
This cytokine is expressed in B cell lineage cells, and acts as a potent B cell activator. It has been also shown to play an important role in the proliferation and differentiation of B cells. [7] BAFF is a 285-amino acid long peptide glycoprotein which undergoes glycosylation at residue 124.
In immunology, a naive B cell is a B cell that has not been exposed to an antigen. These are located in the tonsils , spleen , and primary lymphoid follicles in lymph nodes . Once exposed to an antigen , the naive B cell either becomes a memory B cell or a plasma cell that secretes antibodies specific to the antigen that was originally bound.
It binds to ligand CD70, and plays a key role in regulating B-cell activation and immunoglobulin synthesis. [5] When CD27 binds CD70, a signaling cascade leads to the differentiation and clonal expansion of T cells. [11] The cascade also results in improved survival and memory of cytotoxic T cells and increased production of certain cytokines. [12]
Cellular immunity protects the body through: T-cell mediated immunity or T-cell immunity: activating antigen-specific cytotoxic T cells that are able to induce apoptosis in body cells displaying epitopes of foreign antigen on their surface, such as virus-infected cells, cells with intracellular bacteria, and cancer cells displaying tumor antigens;
Depending on the ligand bound, CD86 can signal for self-regulation and cell-cell association, or for attenuation of regulation and cell-cell disassociation. [6] The CD86 gene encodes a type I membrane protein that is a member of the immunoglobulin superfamily. [7] Alternative splicing results in two transcript variants encoding different ...
Lymphocyte-activation gene 3, also known as LAG-3, is a protein which in humans is encoded by the LAG3 gene. [5] LAG3, which was discovered in 1990 [6] and was designated CD223 (cluster of differentiation 223) after the Seventh Human Leucocyte Differentiation Antigen Workshop in 2000, [7] is a cell surface molecule with diverse biological effects on T cell function but overall has an immune ...