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  • 1
    Digitale Medien
    Digitale Medien
    THE GLUCOSE FATTY ACID CYCLE IN OBESITY AND MATURITY ONSET DIABETES MELLITUS (1965)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 131 (1965), S. 0 
    Details
    ISSN: 1749-6632
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Allgemeine Naturwissenschaft
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1749-6632.1965.tb34800.x
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  • 2
    Digitale Medien
    Digitale Medien
    Human hormones in health and disease (1977)
    [s.l.] : Nature Publishing Group
    Nature 267 (1977), S. 470-470 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE editor of this multi-author book, Dr H. N. Antoniades, quotes with approval in his Introduction the 1960 statement of Dr G. W. Thorn in his foreword to Hormones in Human Plasma that it would be impossible "ever again, to contain within one single volume all information pertaining to this ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/267470b0
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  • 3
    Digitale Medien
    Digitale Medien
    Labelled Antibodies and Immunological Assay Systems (1968)
    [s.l.] : Nature Publishing Group
    Nature 219 (1968), S. 186-189 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Some proteins have unique properties which (usually in biological systems) can be measured with great sensitivity, but antibodies are the only reagents known to be capable of reacting specifically and at low concentration with a great many proteins. The use of radioactive isotopes has enabled the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/219186a0
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  • 4
    Digitale Medien
    Digitale Medien
    Indirect two-site immunoradiometric assay of rat and mouse proinsulin (1979)
    Springer
    Diabetologia 17 (1979), S. 235-242 
    Details
    ISSN: 1432-0428
    Schlagwort(e): Indirect two-site immunoradiometric assay ; rat proinsulin ; mouse proinsulin ; islets ; proinsulin/insulin ratio
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary An indirect two-site immunoradiometric assay for rat and mouse proinsulin using a rabbit antibody to synthetic rat C-peptide has been developed. The sensitivity of the assay is 0.006 pmol/ml. Proinsulin was 4.95% of the total proinsulin and insulin in extracts of rat pancreas and 5.45% in extracts of isolated rat islets. The mean fasting rat insulin and proinsulin concentrations were 0.13±0.09 pmol/ml (n=5) and 0.008±0.002 pmol/ml (n=5) respectively. The mean fasting mouse proinsulin concentration was 0.019±0.006 pmol/ml (n=8). In rats intravenous glucose produced a biphasic insulin response but proinsulin rose progressively to 0.021±0.011 pmol/ml at 45 min. In mouse oral glucose increased the proinsulin concentration to 0.13 pmol/ ml at 30 min. Proinsulin release from isolated rat islets was studied during intermittent or continuous high glucose (20 mmol/l) stimulation in static incubation. Significant increases in proinsulin release were only observed 90 min after initial exposure to high glucose whether glucose stimulation was continuous or intermittent. Both in vivo and in vitro glucose stimulation led initially to a fall in the proinsulin/ insulin molar ratio but later upon prolonged stimulation this progessively increased to above the basal value.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01235860
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  • 5
    Digitale Medien
    Digitale Medien
    Insulin secretion by a transplantable rat islet cell tumour (1981)
    Springer
    Diabetologia 21 (1981), S. 224-229 
    Details
    ISSN: 1432-0428
    Schlagwort(e): Islet cell tumour ; B cell ; insulin secretion
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Investigation of the subcellular and molecular components of insulin secretion has been made difficult by the small quantities of material available. The recent development of a transplantable rat islet cell tumour of high insulin content and state of differentiation suggested a system more amenable to analysis. To validate the tumour as a model of secretion we have studied its release of insulin. In acute experiments in vitro immunoreactive insulin release was increased by leucine, glucagon, theophylline and dibutyryl cyclic AMP, though not by glucose. Leucine (20mmol/l) plus theophylline (5 mmol/l) caused an abrupt, sustained and rapidly reversible stimulation of two- to fivefold. The response was inhibited by antagonists of cellular oxidative phosphorylation (cyanide, 2,4-dinitrophenol, antimycin A), calcium flux (EGTA, verapamil, Mg2+), calmodulin (trifluoperazine), microtubules (vinblastine, colchicine) and by adrenaline and somatostatin. These findings suggest that the tumour secretes insulin by an exocytotic mechanism similar to that of normal islet tissue.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00252658
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  • 6
    Digitale Medien
    Digitale Medien
    British Diabetic Association Medical and Scientific Section, Spring Meeting Abstracts (1967)
    Springer
    Diabetologia 3 (1967), S. 540-543 
    Details
    ISSN: 1432-0428
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01213574
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  • 7
    Digitale Medien
    Digitale Medien
    Height and glucose tolerance in adult subjects (1991)
    Springer
    Diabetologia 34 (1991), S. 531-533 
    Details
    ISSN: 1432-0428
    Schlagwort(e): Type 2 (non-insulin-dependent) diabetes mellitus ; impaired glucose tolerance ; glucose tolerance ; oral glucose tolerance test ; epidemiology ; height ; body mass index ; waist/hip ratio
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary In a prospective study concerning the pathogenesis of impaired glucose tolerance and Type 2 (non-insulindependent) diabetes mellitus, 346 subjects with no clinical history of diabetes were given a standard 75 g oral glucose tolerance test. The expected positive associations between 120-min plasma glucose concentration and age and body mass index were observed in both sexes and between 120-min plasma glucose and waist/hip ratio in male subjects. An unexpected negative correlation was found between 120-min plasma glucose and height in both sexes (r = − 0.23, (95% confidence interval, − 0.38− − 0.07) p〈0.007 for male subjects and r = − 0.24, (− 0.37− − 0.11) p〈0.006 for female subjects). These negative associations with height remained significant after controlling for age and body mass index in male subjects but not in female subjects. In the latter a highly significant negative relationship of height with age was recorded (r = − 0.33, (− 0.45− − 0.20) p〈0.0001). Comparison between individuals with impaired glucose tolerance and control subjects matched for sex, age and body mass index showed that subjects with impaired glucose tolerance are significantly shorter. Mean (± SEM) height in the male subjects with impaired glucose tolerance (n = 29) was 173.4 ± 1.1 cm vs 176.9 ± 1.3 cm in control subjects, p = 0.02. In the female subjects(n = 39)mean(±SEM)height was 159.4±1.0 cm vs 162.4±1.0 cm in control subjects, p = 0.02. The negative relationship between height and glucose tolerance is a new epidemiological observation which has not been previously reported. One possible reason for this is that the most commonly used anthropometric index, body mass index, eliminates height as an independent analytical variable.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00403292
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  • 8
    Digitale Medien
    Digitale Medien
    Response from the authors (1993)
    Springer
    Diabetologia 36 (1993), S. 974-974 
    Details
    ISSN: 1432-0428
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02374485
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  • 9
    Digitale Medien
    Digitale Medien
    Fetal growth and insulin secretion in adult life (1994)
    Springer
    Diabetologia 37 (1994), S. 592-596 
    Details
    ISSN: 1432-0428
    Schlagwort(e): Key words NIDDM, insulin secretion, fetal growth, programming.
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Recent studies suggest that NIDDM is linked with reduced fetal and infant growth. Observations on malnourished infants and studies of experimental animals exposed to protein energy or protein deficiency in fetal or early neonatal life suggest that the basis of this link could lie in the detrimental effects of poor early nutrition on the development of the beta cells of the islets of Langerhans. To test this hypothesis we have measured insulin secretion following an IVGTT in a sample of 82 normoglycaemic and 23 glucose intolerant subjects who were born in Preston, England, and whose birthweight and body size had been recorded at birth. The subjects with impaired glucose tolerance had lower first phase insulin secretion than the normoglycaemic subjects (mean plasma insulin concentrations 3 min after intravenous glucose 416 vs 564 pmol/l, p =0.04). Insulin secretion was higher in men than women (601 vs 457 pmol/l, p =0.02) and correlated with fasting insulin level (p =0.04). However, there was no relationship between insulin secretion and the measurements of prenatal growth in either the normoglycaemic or glucose intolerant subjects. These results argue against a major role for defective insulin secretion as a cause of glucose intolerance in adults who were growth retarded in prenatal life. [Diabetologia (1994) 37: 592–596]
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00403378
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  • 10
    Digitale Medien
    Digitale Medien
    Fetal growth and insulin secretion in adult life (1994)
    Springer
    Diabetologia 37 (1994), S. 592-596 
    Details
    ISSN: 1432-0428
    Schlagwort(e): NIDDM ; insulin secretion ; fetal growth ; programming
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Recent studies suggest that NIDDM is linked with reduced fetal and infant growth. Observations on malnourished infants and studies of experimental animals exposed to protein energy or protein deficiency in fetal or early neonatal life suggest that the basis of this link could lie in the detrimental effects of poor early nutrition on the development of the beta cells of the islets of Langerhans. To test this hypothesis we have measured insulin secretion following an IVGTT in a sample of 82 normoglycaemic and 23 glucose intolerant subjects who were born in Preston, England, and whose birthweight and body size had been recorded at birth. The subjects with impaired glucose tolerance had lower first phase insulin secretion than the normoglycaemic subjects (mean plasma insulin concentrations 3 min after intravenous glucose 416 vs 564 pmol/l, p=0.04). Insulin secretion was higher in men than women (601 vs 457 pmol/l, P=0.02) and correlated with fasting insulin level (p=0.04). However, there was no relationship between insulin secretion and the measurements of prenatal growth in either the normoglycaemic or glucose intolerant subjects. These results argue against a major role for defective insulin secretion as a cause of glucose intolerance in adults who were growth retarded in pre-natal life.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00403378
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