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  • 1995-1999  (3)
  • 1940-1944
  • 1997  (3)
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  • 1995-1999  (3)
  • 1940-1944
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  • 1
    Electronic Resource
    Electronic Resource
    New York : Cambridge University Press
    Church history 66 (1997), S. 614-616 
    ISSN: 0009-6407
    Source: Cambridge Journals Digital Archives
    Topics: History , Theology and Religious Studies
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0428
    Keywords: Keywords Diabetes mellitus ; epidermal growth factor ; kidney growth ; mRNA.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Renal enlargement is a characteristic feature of human and experimental diabetes mellitus that may be predictive of subsequent nephropathy. In the streptozotocin diabetic rat kidney growth rapidly follows the induction of experimental diabetes but the mechanisms responsible for this growth are poorly understood. Epidermal growth factor (EGF) is a potent mitogen for renal tubular cells. Thirty one male Sprague-Dawley rats aged 13 weeks were randomised to receive either streptozotocin (diabetic, n = 20) or buffer (control, n = 11). Animals were studied on days 1, 3, 5 and 7 following streptozotocin. Diabetes was associated with a 3-fold increase in urinary EGF excretion (223 ± 15 vs 59 ± 5 ng/day, mean ± SEM, diabetic vs control, p 〈 0.0001) and 3–6 fold increase in renal EGF mRNA relative to controls (p 〈 0.001). A transient rise in kidney EGF protein was noted on day 1. There was no difference between diabetic and control animals with regard to intrarenal sites of EGF expression or in plasma EGF. These data suggest that the increased urinary EGF excretion in diabetic animals is the result of enhanced local production and that EGF is not stored for a prolonged period within renal tubular cells but is released following its synthesis. In the context of the known intrarenal actions of EGF this growth factor may play a role in the pathogenesis of diabetes related kidney growth. [Diabetologia (1997) 40: 778–785]
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0428
    Keywords: Keywords Glycation ; aminoguanidine ; kidney ; retina ; aorta.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Advanced glycation end products (AGEs) are believed to play an important role in the development of diabetic complications. AGEs are increased in experimental diabetes and treatment with the inhibitor of advanced glycation end products, aminoguanidine, has been shown to attenuate the level of these products in tissues undergoing complications. Recently, an AGE-binding protein has been isolated from bovine lung endothelial cells and termed the receptor for advanced glycated end products (RAGE). The present study sought to determine the distribution of AGE and RAGE in tissues susceptible to the long-term complications of diabetes including the kidney, eye, nerve, arteries as well as in a tissue resistant to such complications, the lung. Using polyclonal antisera both AGE and RAGE were found to co-localize in the renal glomerulus. AGE staining was clearly increased with age and was further increased by diabetes. Aminoguanidine treatment reduced AGE accumulation in the kidney. Co-localisation of AGE and RAGE was demonstrated in the inner plexiform layer and the inner limiting membrane of the retina and in nerve bundles from mesenteric arteries. In the aorta, both AGE and RAGE were found in the intima, media and adventitia. Medial staining was increased in diabetes and was reduced by aminoguanidine treatment. A similar pattern was observed for RAGE in the aorta. In the lung, RAGE was found widely distributed throughout the lung whereas the distribution of AGE staining was more limited, primarily localising to macrophages. The co-localisation of AGEs and RAGE in sites of diabetic microvascular injury suggests that this ligand-receptor interaction may represent an important mechanism in the genesis of diabetic complications. [Diabetologia (1997) 40: 619–628]
    Type of Medium: Electronic Resource
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