What type of cells does the anti-lambda marker identify?

The anti-lambda marker is specifically used to identify B cells. This marker is associated with the lambda light chain of immunoglobulin, which is a component of the B cell receptor expressed on the surface of B lymphocytes. B cells can express either kappa or lambda light chains, and the presence of the lambda light chain indicates certain subsets of B cells, especially in the context of immunophenotyping in flow cytometry. This is crucial for diagnosing various conditions, such as lymphoma, where the expression patterns of these markers can help determine the lineage and potential malignancies of the cells being analyzed. Understanding the role of the anti-lambda marker is essential for clinicians and lab professionals when evaluating immune system disorders and related pathologies.