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  • 1
    Electronic Resource
    Electronic Resource
    Anti-insulin receptor antibodies inhibit insulin binding and stimulate glucose metabolism in skeletal muscle (1978)
    Springer
    Diabetologia 14 (1978), S. 311-317 
    Details
    ISSN: 1432-0428
    Keywords: Anti-insulin receptor antibodies ; insulin-like effects ; insulin resistance ; skeletal muscle ; insulin receptor ; insulin binding ; insulin action ; glucose transport ; glycolysis ; glycogen synthesis ; obese mice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Autoantibodies against the insulin receptor are found in the serum of some patients with severe insulin resistance. The effects of one of these sera on insulin binding and on glucose transport and metabolism were investigated in the isolated mouse soleus muscle. Preincubation of muscles with the patient's serum resulted in an inhibition of subsequent125I-insulin binding (half-maximal effect at 1∶500 dilution) and in a two to three-fold stimulation of glucose transport and metabolism (half-maximal effect at 1∶2000 dilution). The insulin-like effects were blocked by anti-human IgG, but not by antiinsulin antibodies. The magnitude of the serum effects on 2-deoxyglucose uptake and glycolysis was similar to that of insulin, but the effect on glycogen synthesis was smaller than that of insulin. It is suggested that the patient's serum and insulin promote glucose transport and glycolysis through a common pathway, but act differently on glycogen synthesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01223022
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Insulin receptor and insulin-responsive glucose transporter (GLUT 4) mutations and polymorphisms in a welsh type 2 (non-insulin-dependent) diabetic population (1992)
    Springer
    Diabetologia 35 (1992), S. 486-489 
    Details
    ISSN: 1432-0428
    Keywords: Genetics ; Type 2 (non-insulin-dependent) ; diabetes mellitus ; insulin receptor ; glucose transporters
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We have recently examined the exons encoding the insulin receptor tyrosine kinase domain and GLUT 4 in 30 subjects with Type 2 (non-insulin-dependent) diabetes mellitus using a molecular scanning approach. The variant sequences Val-Met985 and Lys-Glu1068 of the insulin receptor and Val-Ile383 of GLUT 4 were each separately found in three different diabetic subjects. In a study of a Welsh population, the GLUT 4383 variant was found in three of 160 diabetic and none of the 80 control subjects. In this study, the same group of Welsh Type 2 diabetic and control subjects was analysed using allele-specific oligonucleotide hybridisation, single nucleotide primer extension and allele-specific restriction digestion to ascertain the frequency of the two insulin receptor mutations. The Val-Met985 mutation was found in none of the 160 Welsh Caucasian Type 2 diabetic subjects and two of 80 control subjects. The Lys-Glu1068 mutation removes a Sty 1 site and digestion of amplified exon 18 with Sty 1 confirmed the presence of this mutation in the heterozygous state in the original subject. None of the Welsh diabetic or control subjects had the Glu1068 mutation. The discovery of a very common silent polymorphism at codon 130 of GLUT 4 allowed examination of the association of this locus with Type 2 diabetes using allele-specific oligonucleotide hybridisation in a subset of the Welsh subjects. The genotypic frequencies (homozygous wild-type and heterzygous polymorphic (poly) sequences) were not significantly different between diabetic and control subjects (Type 2 diabetic subjects: wild-type/wild-type 40%, wild-type/poly 46%, poly/poly 14%; Control subjects: wild-type/wild-type 37%0, wild-type/poly 45 %, poly/poly 18 %;p 〉 0.05). In conclusion, in a British Caucasian population the examined insulin receptor tyrosine kinase domain mutations are uncommon. Also the GLUT 4 locus does not appear to be strongly associated with Type 2 diabetes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02342449
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Insulin Receptors and Insulin Resistance (1983)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Medicine 34 (1983), S. 145-160 
    Details
    ISSN: 0066-4219
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.me.34.020183.001045
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    Paper (German National Licenses)
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