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  • 1
    Electronic Resource
    Electronic Resource
    Pancreastatin, a novel pancreatic peptide that inhibits insulin secretion (1986)
    [s.l.] : Nature Publishing Group
    Nature 324 (1986), S. 476-478 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The pancreastatin-containing fractions were located by the amounts of glycine amide released from tryptic digests of the samples using the chemical method described previously2. The peptide was extracted from porcine pancreas (20kg) as described11, and purified by ethanol fractionation, gel ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/324476a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Somatostatin promotes accumulation of phospholipids in regenerating liver tissue of rats (1991)
    Springer
    Bioscience reports 11 (1991), S. 1-6 
    Details
    ISSN: 1573-4935
    Keywords: lipid ; liver ; phospholipid ; regenerating liver ; somatostatin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Effects of somatostatin (SOM) on tissue contents of proteins, total lipids and phospholipids were investigated in regenerating and intact liver tissue of Y-59 rats. Whereas SOM inhibited protein accumulation in regenerating liver, the hormone evoked and increase in total lipids, and specially in phosphatidylcholine, phosphatidylethnolamine, phosphatidylserine (PS) and phosphatidylinositol (PI). Since the same effects were not seen when intact liver was analyzed, it is assumed that SOM acts primarily on tissue stimulated to rapid growth. The increase of PS+PI fractions indicates a specific effect of SOM on the metabolism of phosphatidylinositides. Such an effect might result from the interference of the hormone with the action of growth factors that accelerate phosphatidylinositol breakdown.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01118598
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Previous exposure to glucose enhances insulin and suppresses glucagon responses to argentine in man (1981)
    Springer
    Acta diabetologica 18 (1981), S. 173-179 
    Details
    ISSN: 1432-5233
    Keywords: Amino acid homeostasis ; Glucagon secretion ; Glucose homeostasis ; Glucose metabolism ; Growth hormone secretion ; Insulin secretion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The effects of previous exposure to glucose on the insulin, glucagon, growth hormone and blood glucose responses to subsequent stimulation with L-arginine were investigated in normal man. During control conditions (i.e., after 120 min of saline infusion), the i.v. administration of arginine enhanced the release of all three hormones and caused a small and transient rise in blood glucose. When arginine was preceded by i.v. glucose during 0–60 min, followed by a ‘rest period’ of 60–120 min, the insulin release induced by the amino acid was further enhanced, glucagon and GH release were unaffected and blood glucose depressed below control levels. When arginine was preceded by a small oral glucose load (0.5 g/kg) the initial insulin response to arginine was augmented, the initial glucagon response was slightly but significantly depressed and blood glucose lowered while the growth hormone response was unaffected. Conclusions: (1) a near-physiological intake of glucose increases insulin and depresses glucagon secretion evoked by amino acids resulting in increased glucose disposal; (2) the modifications of the insulin and glucagon responses constitute separate components in the feed-back regulation of glucose homeostasis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02099003
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    Paper (German National Licenses)
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