Preprotachykinin gene expression in goldfish brain

Autor: Xinwei Lin, H Saied, Pierre Peyon, Richard E. Peter
Rok vydání: 2000
Předmět:
Zdroj: Peptides. 21:225-231
ISSN: 0196-9781
DOI: 10.1016/s0196-9781(99)00190-4
Popis: Recently, we described the complete nucleotide sequence of γ-preprotachykinin (γ-PPT) mRNA and the deduced amino acid sequence of the precursor on the basis of molecular cloning and sequence analysis of cDNA from goldfish brain. In the present study, γ-PPT gene expression in the brain of goldfish was examined using quantitative Northern blot analysis. The results showed that the γ-PPT gene is highly but differentially expressed in the olfactory bulbs, hypothalamus, and posterior brain regions. There are sexual dimorphism and seasonal variations in γ-PPT gene expression. In addition, the postprandial changes in γ-PPT gene expression in the olfactory bulbs and hypothalamus suggest that tachykinin peptides are involved in regulation of feeding behavior in goldfish.
Databáze: OpenAIRE