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Effects of Substance P and Substance P Antagonists on Rat Salivary Secretion
E. Bobyock
Hahnemann University, Department of Pharmacology, Broad and Vine, Philadelphia, Pennsylvania 19102
E.J. Barbieri
Hahnemann University, Department of Pharmacology, Broad and Vine, Philadelphia, Pennsylvania 19102
W.S. Chernick
Hahnemann University, Department of Pharmacology, Broad and Vine, Philadelphia, Pennsylvania 19102
The intra-arterial infusion of substance P produced dose-related responses of both parotid and submandibular salivary secretion in anesthetized rats. The substance P-induced secretion in both glands was inhibited by the substance P analogues [D-Arg 1, D-Trp7,9, Leu11]-substance P and [D-Arg1, D-Pro2, D-Trp7,9, Leu11]-substance P, but not by [D-Pro2 , D-Trp7,9]-substance P. The profiles of protein and calcium levels obtained with substance P-induced salivary secretion for both glands were similar to those produced by acetylcholine stimulation and were not altered by the substance P analogues.
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Journal of Dental Research, Vol. 65, No. 12,
1427-1431 (1986)
DOI: 10.1177/00220345860650121001

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