Author: Kara Hamilton, M.S., Nat Pernick, M.D. (see Authors page)

Revised: 29 October 2015, last major update July 2013

Copyright: (c)2003-2015,, Inc.

PubMed Search: BG8
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Cite this page: BG8. website. Accessed January 22nd, 2019.
Definition / general
  • Also called Anti-Lewis-Y or Lewis Y antigen, BG-8
  • Mechanism: detects the Lewis Y antigen, type 2 chain
  • Note: Methylobacter albus BG8 is a gram negative bacteria using methane as its carbon source
  • Interpretation: cytoplasmic staining, diffuse and intense
  • Uses by pathologists
    Positive staining - disease
    Negative staining
    • Mesothelioma (sometimes focal or weak staining in epithelium)