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  • 1
    Electronic Resource
    Electronic Resource
    Arteries and veins formed within renal vessels: a previously neglected observation (1992)
    Springer
    Virchows Archiv 420 (1992), S. 301-304 
    Details
    ISSN: 1432-2307
    Keywords: Kidney ; Blood vessels ; Arterialisation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary An abnormality of blood vessels was noted in a biopsy of a renal transplant. This took the form of apparent development of a new artery inside and concentric with the old, with elastic laminae and a muscular media, separated from the old internal elastic lamina by poorly cellular tissue. In a systematic study of material from another 119 renal transplants, 13 nephrectomy specimens for chronic pyelonephritis and hydronephrosis, 28 renal biopsies showing interstitial nephritis, and 18 renal biopsies showing small vessel vasculopathy of accelerated hypertensive type, similar arterial changes were seen in another 10 renal transplants that showed chronic vascular rejection, 1 case of chronic interstitial nephritis, and 3 cases of vasculopathy, 2 with accelerated hypertension and 1 with systemic sclerosis. One renal transplant also showed apparent development of new muscular veins inside old veins. Immunohistological study for smooth muscle actin confirmed that the apparently new arterial and venous structures contained smooth muscle cells. The arterial abnormality may be called arterialisation of intrarenal arteries. This change appears to be not rare, is distinctive, and has scarcely been previously recognised or reported as a response of intrarenal blood vessels to damage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01600208
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Congenital renal vascular malformations in childhood (1981)
    Springer
    Pediatric radiology 10 (1981), S. 207-209 
    Details
    ISSN: 1432-1998
    Keywords: Vascular malformation, kidney ; Cirsoid aneurysm ; Kidney ; Aneurysm, renal artery ; Hypertension, children ; Renal angiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two cases of congenital renal vascular malformation (cirsoid aneurysms) are reported. Both were associated with hypertension, and were detected by angiography. In one child, additional congenital intrarenal artery aneurysms were present. He became normotensive after heminephrectomy of the involved kidney.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01001583
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Confocal microscopic and other observations on the distal end of the thick limb of the human loop of Henle (1992)
    Springer
    Cell & tissue research 267 (1992), S. 11-16 
    Details
    ISSN: 1432-0878
    Keywords: Kidney ; Distal tubule ; Tamm-Horsfall protein ; Cytokeratin ; Immunohistochemistry ; Human
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Various antibodies and lectins were used in a histological study of the human renal tubule, particularly of the distal end of the thick limb of the loop of Henle. The thick limb, identified by antibody to Tamm-Horsfall protein, ended abruptly, either at the macula densa or at a variable distance after it. At this point there was an abrupt change in cell size. Confocal microscopy and other techniques showed that this point marked an abrupt beginning of tubular staining by the cytokeratin antibody PKK 2 and the lectin UEA 1, with an abrupt end of staining by the lectin DBA. Distal from this point, there were gradual changes in staining of the tubule by various reagents including other antibodies to cytokeratins. These structural findings suggest that there is a fundamental change in the tubule at the end of the thick limb. The abrupt end to the thick limb in man resembles that seen in the rat and the rabbit.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00318686
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Immunoreactive Tamm-Horsfall protein in the kidney and skin of the frog Rana temporaria (1991)
    Springer
    Cell & tissue research 263 (1991), S. 585-587 
    Details
    ISSN: 1432-0878
    Keywords: Kidney ; Skin ; Tamm-Horsfall protein ; Immunohistochemistry ; Rana temporaria (Anura), Rat (Wistar), Rabbit
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Tamm-Horsfall protein (THP) is the main protein in normal human urine, and is found in the thick limb of the Loop of Henle in human kidney, and in other mammalian species. The skin of the frog, Rana temporaria, has similar physiological properties to this mammalian kidney tissue. In the present study, an immunohistological method involving an antibody to human THP was used to investigate the distribution of this distinctive protein in frog kidney and skin, and to compare its distribution with that found in the kidney tubules of rat and rabbit. THP-positive material was detected in the distal renal tubules and nephric duct of frogs, and was also located in the superificial epidermis of skin. It is suggested that its presence in amphibian skin is consistent with the hypothesis that THP is an important component of tissues that absorb sodium and chloride ions, but remain impermeable to water.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00327292
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    Paper (German National Licenses)
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