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LAG-3 / CD223 – RMab

IHC of LAG 3 on an FFPE Testicular Carcinoma Tissue

IHC of LAG-3 on a FFPE Testicular Carcinoma Tissue

Specification Sheets
Safety Data Sheet
Intended UseFor In Vitro Diagnostic Use
Summary and Explanation

Lymphocyte-activation gene 3, also known as LAG-3 and designated as CD223, is a cell surface protein with diverse biologic effects on T cell function encoded by the LAG3 gene. The gene for LAG-3 lies adjacent to the gene for CD4 on human chromosome 12 (12p13) and is approximately 20% identical to the CD4 gene. LAG-3 is expressed on activated T cells, natural killer cells, B cells and plasmacytoid dendritic cells. The LAG-3 protein negatively regulates cellular proliferation, activation, and homeostasis of T cells, in a similar fashion to CTLA-4 and PD-1 and has been reported to play a role in Treg, regulatory T cells, suppressive function. LAG-3 also helps maintain CD8+ T cells in a tolerogenic state and, working with PD-1, helps maintain CD8 exhaustion during chronic viral infection. LAG-3 is known to be involved in the maturation and activation of dendritic cells.

Studies have shown that LAG-3 is a prognostic indicator of poor treatment outcomes in chronic lymphocytic leukemia, has been associated with higher risk of multiple myeloma, may play a modulating role in autoimmune diabetes and has been identified in a subset of HIV-specific LAG-3(+) CD8(+) T cells that negatively correlated with plasma viral load. IHC studies have shown LAG-3 expression on lymphocytes scattered in renal cell carcinoma, melanoma and lymphomas.

Antibody TypeRabbit MonoclonalCloneEP294
IsotypeIgGReactivityParaffin, Frozen
LocalizationCytoplasmic, MembranousControlTestis, Lymph Node, Spleen, Lymphoblastic Lymphoma, TCC
PresentationLAG-3 is a rabbit monoclonal antibody derived from cell culture supernatant that is concentrated, dialyzed, filter sterilized and diluted in buffer pH 7.5, containing BSA and sodium azide as a preservative.
Availability
Catalog No.Antibody TypeDilutionVolume/QTY
BSB 3363PredilutedReady-To-Use3.0 ml
BSB 3364PredilutedReady-To-Use7.0 ml
BSB 3365PredilutedReady-To-Use15.0 ml
BSB 3366Concentrated1:10-1:500.1 ml
BSB 3367Concentrated1:10-1:500.5 ml
BSB 3368Concentrated1:10-1:501.0 ml
BSB 3369Control Slides5
Note: For concentrated antibodies, please centrifuge prior to use to ensure recovery of all product.

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