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Type: Journal article
Title: Gene duplication of the human peptide YY gene (PYY) generated the pancreatic polypeptide gene (PPY) on chromosome 17q21.1
Author: Hort, Y.
Baker, E.
Sutherland, G.
Shine, J.
Herzog, H.
Citation: Genomics, 1995; 26(1):77-83
Publisher: Academic Press
Issue Date: 1995
ISSN: 0888-7543
Statement of
Yvonne Hort, Elizabeth Baker, Grant R. Sutherland, John Shine, Herbert Herzog
Abstract: Neuropeptide Y (NPY), peptide YY (PYY), and pancreatic polypeptide (PP) are structurally related but functionally diverse peptides, encoded by separate genes and expressed in different tissues. Although the human NPY gene has been mapped to chromosome 7, we demonstrate here that the genes for human PYY and PP (PPY) are localized only 10 kb apart from each other on chromosome 17q21.1. The high degree of homology between the members of this gene family, both in primary sequence and exon/intron structure, suggests that the NPY and the PYY genes arose from an initial gene duplication event, with a subsequent tandem duplication of the PYY gene being responsible for duplication of the PYY gene being responsible for the creation of the PPY gene. A second weaker hybridization signal also found on chromosome 17q11 and results obtained by Southern blot analysis suggest that the entire PYY-PPY region has undergone a further duplication event.
Keywords: Chromosomes, Human, Pair 17; Animals; Humans; Rats; Peptide YY; Pancreatic Polypeptide; Peptides; Neuropeptide Y; Blotting, Southern; In Situ Hybridization, Fluorescence; Chromosome Mapping; Cloning, Molecular; Sequence Alignment; Amino Acid Sequence; Regulatory Sequences, Nucleic Acid; TATA Box; Multigene Family; Exons; Molecular Sequence Data
RMID: 0030005621
DOI: 10.1016/0888-7543(95)80085-Z
Appears in Collections:Paediatrics publications

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