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Distribution and regulation of substance P-related peptide in the frog visual system

✍ Scribed by Elizabeth A. Debski

Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
164 KB
Volume
54
Category
Article
ISSN
1059-910X

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✦ Synopsis

Abstract

Modulation of visual signal activity has consequences for both signal processing and for activity‐dependent structuring mechanisms. Among the neuromodulatory agents found in visual areas are substance P (SP)‐related peptides. This article reviews what is known about these substances in the amphibian retina and optic tectum with special emphasis on the leopard frog, Rana pipiens. It is found that the distribution of these SP‐related peptides is remarkably similar to that seen in mammals. This suggests that study of model amphibian systems may significantly enhance our understanding of how neuropeptides contribute to visual system function and organization. Microsc. Res. Tech. 54:220–228, 2001. © 2001 Wiley‐Liss, Inc.

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