Abstract
The human interferon- β 2 gene (IFNB2) is identical to the genes encoding the B-cell stimulatory factor (BSF-2), the hybridoma growth factor (HGF), and the hepatocyte stimulating factor (HSF). This protein mediates major alterations in the secretion of a wide spectrum of plasma proteins by the liver in response to tissue injury (the acute-phase response). We have used a cDNA probe specific to the human IFNB2 gene in DNA hybridization experiments and report the regional localization of this gene to human chromosome 7p15-p21. Southern blot analyses of DNA extracted from a panel of mouse × human somatic cell hybrids localized this gene to human chromosome 7p. In situ hybridization of the IFNB2 cDNA probe to prebanded human metaphase chromosome spreads allowed the further localization of this gene to 7p15-p21.
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