PMID: 3748846Jan 1, 1986Paper

Purification and amino acid sequences of dog, goat and guinea pig VIPs

Peptides
J EngR S Yalow

Abstract

VIP has been reported to be identical in pig, cow, human and rat but to differ in four amino acids in chicken. We report now on the purification and sequences of VIP from three other mammalian species, dog, goat and guinea pig (GP). The general method of purification of the three peptides was similar. The frozen intestines were extracted in five volumes of an organic solvent and the residual cakes re-extracted with acid or acid-ethanol. The VIPs were brought to final purity through a series of HPLC steps. Overall recovery using this methodology is in the range of 20-30%. The VIP sequences obtained were: Dog and Goat: (sequence in text) Dog and goat VIP are identical to, but GP VIP differs from, that of other mammalian species. Substitution of the four amino acids in positions 5, 9, 19 and 26 appears not to affect its biological activity. That GP VIP differs from other mammalian VIP's is further evidence that the GP gastroenteropancreatic axis has a unique evolutionary separation from other mammals.

References

May 16, 1985·Biochemical and Biophysical Research Communications·B H DuR S Yalow
Sep 9, 1985·Life Sciences·S C WangR S Yalow
Mar 1, 1973·Archives of Biochemistry and Biophysics·S SteinS Udenfriend
May 16, 1983·Biochemical and Biophysical Research Communications·K IchiharaR S Yalow

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Citations

Apr 16, 1998·Regulatory Peptides·C H Hoyle
Oct 12, 2001·Brain Research Bulletin·S Holmgren, J Jensen
Mar 1, 1992·Proceedings of the National Academy of Sciences of the United States of America·J EngR S Yalow
Jun 1, 1990·British Journal of Pharmacology·T OhtaA Ohga
Dec 27, 2008·Pharmacology & Therapeutics·Louise Dickson, Keith Finlayson
Jan 1, 1988·Annals of the New York Academy of Sciences·V Mutt
Jun 20, 1991·Nature·D GraurW H Li
Oct 1, 1990·European Journal of Clinical Investigation·V Mutt

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