PRDM1/Blimp-1 Antibody (5E7): sc-130917

Blimp-1 Antibody (5E7) is a rat monoclonal IgG2a antibody that detects Blimp-1 in mouse samples through applications such as western blotting (WB), immunoprecipitation (IP), and immunofluorescence (IF). Blimp-1, also known as B lymphocyte-induced maturation protein or PRDI-BF1, plays a crucial role in plasma cell development and differentiation from terminally differentiated B-cells. Blimp-1 (5E7) antibody recognizes this transcriptional repressor primarily in the nucleus, where Blimp-1 acts as a master regulator of terminal B-cell development. Blimp-1′s nuclear localization directly influences gene expression critical for B-cell maturation, upregulating syndecan-1 and J chain while repressing IFN-β gene transcription. Additionally, Blimp-1 interacts with histone deacetylase (HDAC) to recruit HDAC to DNA, inhibiting c-myc expression, which maintains the balance between B-cell proliferation and differentiation. Blimp-1 expression marks a pivotal checkpoint in B-cell development, ensuring only fully activated B cells progress to the plasma cell stage, while immature and partially activated cells are eliminated. This regulatory mechanism is vital for proper immune response, highlighting Blimp-1′s significance in maintaining immune homeostasis.

The preferred PRDM1/Blimp-1 antibody is PRDM1/Blimp-1 Antibody (6D3): sc-47732.