bursopoietin

Bursopoietin Cell differentiation agent in extracts of chicken bursa of fabricus.

Bursin is a peptide that can be isolated from the bursa of Fabricius of chicken. Bursin induces the phenotypic differentiation of mammalian and avian B precursor cells. Bursin also increases cyclic guanosine monophosphate in cells of the human B-cell line Daudi, its derivatives are able to protect against infection by amplifying the immune response induced by H9N2[1].

[1] Wang C, et al. Bursin-like peptide (BLP) enhances H9N2 influenza vaccine induced humoral and cell mediated immune responses. Cell Immunol. 2014 Nov-Dec;292(1-2):57-64. DOI:10.1016/j.cellimm.2014.09.003
[2] Audhya T, et al. Tripeptide structure of bursin, a selective B-cell-differentiating hormone of the bursa of fabricius. Science. 1986 Feb 28;231(4741):997-9. DOI:10.1126/science.3484838