BOB1抗体;BOB1 Antibody—艾普蒂

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     Western blot analysis of BOB1 expression in Ramos cell lysate.    

  
  

BOB1 (also known as OBF1 or OCA-B) is a B cell-specific transcriptional coactivator encoded by the *POU2AF1* gene. It plays a critical role in regulating immunoglobulin gene expression by interacting with transcription factors OCT1 (POU2F1) and OCT2 (POU2F2) to form a complex that binds promoter/enhancer regions of target genes. This interaction is essential for the proper development and function of mature B lymphocytes, particularly in germinal center reactions.

Antibodies targeting BOB1 are widely used in research and diagnostic pathology to identify B cell lineage and assess B cell differentiation status. In clinical settings, BOB1 immunohistochemistry aids in distinguishing B cell malignancies, such as classical Hodgkin lymphoma (where BOB1 is often absent or weakly expressed) from other lymphoproliferative disorders. Its expression is typically retained in non-Hodgkin B cell lymphomas, making it a valuable marker for differential diagnosis.

Studies also explore BOB1's role in autoimmune diseases and immune dysregulation due to its influence on B cell receptor signaling and antigen presentation. As a nuclear protein, its detection requires proper tissue fixation and antigen retrieval methods. The specificity and reliability of BOB1 antibodies have made them indispensable tools in both basic immunology research and hematopathology diagnostics.