CD Markers

Topic Completed: 1 February 2002

Minor changes: 14 May 2021

Copyright: 2002-2021,, Inc.

PubMed Search: CD79b[title]

See Also: CD79a

Nat Pernick, M.D.
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Cite this page: Pernick N. CD79b. website. Accessed December 8th, 2021.
Definition / general
  • Also called B29, B cell antigen receptor complex associated protein beta-chain
  • Encodes the Ig-beta protein of the B cell antigen receptor; the receptor also includes Ig-alpha protein (CD79a) and surface immunoglobulin
  • First expressed in cells with Ig ยต chains and remains expressed throughout B cell differentiation to plasma cells
  • References: OMIM #147245
Uses by pathologists
Positive staining - normal
  • B cells, plasma cells
Positive staining - disease
Negative staining
  • Hairy cell leukemia (usually)
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