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deS Senanayake P, Warner MR, Brosnihan KB, et al. Circulating neuropeptide Y in dog plasma consists of multiple peptide fragments. Peptides. 1992;13(6):1165-73doi: 10.1016/0196-9781(92)90024-w.
deS Senanayake, P., Warner, M. R., Brosnihan, K. B., Levy, M. N., & Ferrario, C. M. (1992). Circulating neuropeptide Y in dog plasma consists of multiple peptide fragments. Peptides, 13(6), 1165-73. https://doi.org/10.1016/0196-9781(92)90024-w
deS Senanayake, P, et al. "Circulating neuropeptide Y in dog plasma consists of multiple peptide fragments." Peptides vol. 13,6 (1992): 1165-73. doi: https://doi.org/10.1016/0196-9781(92)90024-w
deS Senanayake P, Warner MR, Brosnihan KB, Levy MN, Ferrario CM. Circulating neuropeptide Y in dog plasma consists of multiple peptide fragments. Peptides. 1992 Nov-Dec;13(6):1165-73. doi: 10.1016/0196-9781(92)90024-w. PMID: 1283629.
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Elsevier Science

Peptides. 1992 Nov-Dec;13(6):1165-73. doi: 10.1016/0196-9781(92)90024-w.

Circulating neuropeptide Y in dog plasma consists of multiple peptide fragments.

Peptides

P deS Senanayake, M R Warner, K B Brosnihan, M N Levy, C M Ferrario

Affiliations

  1. Cleveland Clinic Foundation, Department of Brain and Vascular Research, OH 44195.

PMID: 1283629 DOI: 10.1016/0196-9781(92)90024-w

Abstract

Neuropeptide Y-like immunoreactivity (NPY-LI) in dog plasma was characterized and quantified using three extraction methods (Sep-Pak:acetonitrile, HCl:ethanol, and ethanol). Sep-Pak extraction yields the best recovery and preserves the integrity of the peptide. Oxidized NPY is not generated during blood collection. Using two antisera of different specificities, at least three peptide forms in normal dog arterial and venous plasma were detected. A peptide with retention times similar to oxidized NPY or peptide YY is the major component of plasma NPY-LI under basal conditions, but NPY(1-36) predominates during sympathetic stimulation. The mature peptide in dog plasma is similar to human NPY. The antiserum ABII provides a more accurate measure of circulating NPY(1-36) and its oxidized form. The antiserum ABI is useful for detecting NPY-like fragments.

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