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  • Electronic Resource  (4)
  • 1975-1979  (4)
  • 1880-1889
  • insulin release  (2)
  • resistance breeding  (2)
  • Lectins
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  • Electronic Resource  (4)
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  • 1
    Electronic Resource
    Electronic Resource
    Gastric inhibitory polypeptide (GIP) and insulin in obesity: Increased response to stimulation and defective feedback control of serum levels (1978)
    Springer
    Diabetologia 14 (1978), S. 15-24 
    Details
    ISSN: 1432-0428
    Keywords: GIP release ; insulin release ; obesity ; pathological glucose tolerance ; feedback control of GIP secretion ; test meal ; triglyceride ingestion ; oral glucose load
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary To investigate the possibility that an abnormality of the entero-insular axis is responsible for the hyperinsulinaemia of obesity, serum immunoreactive gastric inhibitory polypeptide (IR-GIP) and insulin (IRI) were measured after the ingestion of a liquid mixed test meal, glucose or fat, in normal weight and obese subjects. The latter were divided into a group with normal oral glucose tolerance (nOGT) and a group with pathological glucose tolerance (pOGT). Fasting levels of IR-GIP were significantly elevated in the obese group with pOGT. After the mixed meal the overweight subjects showed a significantly greater response of IR-GIP than the controls, with highest levels in the pOGT group. Simultaneously, the IRI response was significantly greater in the obese subjects than in the controls. The increases of IR-GIP and IRI after an oral load of 100 g glucose were normal in the obese subjects, but showed a significantly greater integrated response in the obese patients with pOGT. The ingestion of 100 g fat induced no IRI release but a significantly greater release of IR-GIP in the obese subjects, irrespective of their glucose tolerance. It is concluded that fat is a stronger releaser of IR-GIP than glucose. The effect of a combined load of glucose (30 g) and fat (100 g) was also compared in obese and normal weight subjects with the effect of either alone. Fat but not glucose released significantly more IR-GIP in obese subjects. In normal weight controls, but not in obese subjects, the IR-GIP release after fat plus glucose became significantly smaller than after fat alone. Since only the combined ingestion of glucose and fat and not fat alone releases insulin it is suggested that endogenous insulin inhibits GIP release and that this feedback control between insulin and GIP is defective in patients with obesity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00429703
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Gastric inhibitory polypeptide: Effect on glucose-induced insulin release from isolated rat pancreatic islets in vitro (1975)
    Springer
    Diabetologia 11 (1975), S. 483-484 
    Details
    ISSN: 1432-0428
    Keywords: Gastric inhibitory polypeptide ; insulin release ; isolated rat islets ; enteroinsular axis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Gastric Inhibitory Polypeptide (GIF; 1 or 10 μg/ml) potentiated glucose-induced (8 or 16.6 mM) insulin (IRI) release from isolated rat pancreatic islets. Basal release was unaffected. The threshold concentration of glucose necessary for GIF to modulate IRI release was between 6 and 8 mM. GIP had no effect on IRI release from islets submitted to a maximal glucose stimulus (25 mM).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00429919
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Breeding for resistance to cereal cyst nematode in wheat (1976)
    Springer
    Euphytica 25 (1976), S. 73-82 
    Details
    ISSN: 1573-5060
    Keywords: Triticum aestivum ; wheat ; Heterodera avenae ; cyst nematode ; resistance breeding
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The progress of a backcross breeding programme to introduce resistance against the cereal cyst nematode into wheat is described. Methods of resistance screening and criteria for selection are detailed and the results discussed with reference to alternative procedures for the introduction of new resistance genes into major breeding programmes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00041530
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Breeding for resistance to cereal cyst nematode in wheat II. Use of test tube cultures in selection (1977)
    Springer
    Euphytica 26 (1977), S. 89-95 
    Details
    ISSN: 1573-5060
    Keywords: Triticum aestivum ; wheat ; Heterodera avenae ; cyst nematode ; resistance breeding
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The use of soil. naturally infested with Heterodera avenae, to select resistant heterozygotes in backcross progenies of wheat, was tested for reliability. Selfed progenies from plants selected as resistant were cultured monoxenically in test tubes with nematodes hatched from single cysts, while backcross progenies from the same parent plants were grown in pots of naturally infested soil. Cyst counts were made after two months' growth. The results showed that over 50% of the backcross lines, screened in previous generations with naturally infested soil, had been erroneously selected as resistant. The test tube cultures clearly differentiated lines carrying resistance from those which were susceptible and corroborated results from pot tests.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00032073
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    Paper (German National Licenses)
    Fulltext
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