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PMID |
Sentence |
1 |
3063593
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Insulin incubation in bathing medium for 4-5 hr enhances the decreased gastro-intestinal responses to sal, but not to 5-HT. 4.
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2 |
1671378
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DA turnover was significantly reduced in striatum and hypothalamus in all diabetic groups. 5-HT turnover was reduced in chronically hyperglycemic diabetic rats in all four brain regions but normalized in insulin-treated diabetic rats.
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3 |
7687210
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The effects of insulin and/or tryptophan (Try) administration on Try, serotonin (5-HT), 5-hydroxyindolacetic acid (5-HIAA) in raphe nuclei and hypothalamus and serum levels of large neutral amino acids [Try, valine, isoleucine, leucine, tyrosine and phenylalanine, (LNAA)] was investigated in diabetic rats. 2.
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4 |
12971908
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The results in the present study showed that: (1) the plasma levels of NOx in both diabetic rats were low compared to those in control rats, (2) the hippocampal NOx levels in both diabetic rats were almost the same as those in control rats, while the levels of 5-HT and DA were low in the diabetics, and (3) a sudden decrease in the plasma glucose level due to insulin administration reduced the NOx level as well as enhanced the 5-HT level in the diabetic hippocampus, a finding consistent with the results of 7 days administration of insulin.
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5 |
19859528
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While serotonin (5-HT) co-localization with insulin in granules of pancreatic beta-cells was demonstrated more than three decades ago, its physiological role in the etiology of diabetes is still unclear.
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6 |
19859528
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We combined biochemical and electrophysiological analyses of mice selectively deficient in peripheral tryptophan hydroxylase (Tph1-/-) and 5-HT to show that intracellular 5-HT regulates insulin secretion.
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7 |
19859528
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Our results demonstrate that 5-HT regulates insulin secretion by serotonylation of GTPases within pancreatic beta-cells and suggest that intracellular 5-HT functions in various microenvironments via this mechanism in concert with the known receptor-mediated signaling.
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