feeding regulates the expression of pancreatic genes in gastric mucosa
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ID: 182946
2010
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Abstract
The ineffective short-term control of feeding behavior compromises energy homeostasis and can lead to obesity. The gastrointestinal tract secretes several regulatory peptides. However, little is known about the stomach peptide contribution to the acute regulation of intake. In an attempt to identify new gastric signals, the serial analysis of gene expression (SAGE) method was used for the transcription profiling of stomach mucosa in 7 groups of mice: fasting and sacrificed 30 minutes, 1 hour, 3 hours after a low-fat (LF) or high-fat (HF) ad libitum meal. In total, 35 genes were differentially modulated by LF and HF meals compared to fasting, including 15 mRNAs coding for digestive enzymes/secretory proteins, and 10 novel transcripts. Although the basic expression profile did not undergo substantial variations, both LF and HF meals influenced the transcription. This study represents the first global analysis of stomach transcriptome as induced by different nutritional stimuli. Further studies including the characterization of novel genes may help to identify new targets for the therapy and prevention of obesity.
| Reference Key |
giorgio2010journalfeeding
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|---|---|
| Authors | ;Maria Rita De Giorgio;Mayumi Yoshioka;Jonny St-Amand |
| Journal | chinese chemical letters |
| Year | 2010 |
| DOI |
10.1155/2010/371950
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| URL | |
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