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  • 1
    Electronic Resource
    Electronic Resource
    Inhibition of anion permeability of sarcoplasmic reticulum vesicles by stilbene derivatives and the identification of an inhibitor-binding protein
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Biomembranes 643 (1981), S. 213-219 
    Details
    ISSN: 0005-2736
    Keywords: (Sarcoplasmic reticulum) ; Anion permeability ; Inhibitor-binding protein ; Stilbene derivative
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0005-2736(81)90234-0
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  • 2
    Electronic Resource
    Electronic Resource
    A new method of vesicle formation by salting-out and its application to the reconstitution of sarcoplasmic reticulum
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Biomembranes 729 (1983), S. 229-236 
    Details
    ISSN: 0005-2736
    Keywords: (Sarcoplasmic reticulum) ; Liposome ; Membrane reconstitution ; Salting-out ; Triton X-114
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0005-2736(83)90489-3
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    An immunohistochemical study of somatostatin-containing nerves in the aganglionic colon of human and rat (1989)
    Springer
    Acta neuropathologica 78 (1989), S. 372-379 
    Details
    ISSN: 1432-0533
    Keywords: Somatostatin ; Immunohistochemistry ; Aganglionosis ; Man ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The distribution of somatostatin-like immunoreactive (SOM-LI) nerves was elucidated immunohistochemically in the gut tissues from patients with Hirschsprung's disease and congenital aganglionosis rats. In the normoganglionic human colon, SOM-LI nerve cell bodies were found to a greater extent in the submucous plexus and to a lesser extent in the myenteric plexus. However, they were rarely observed in both the plexuses of the oligoganglionic segment. SOM-LI nerve fibres were widely distributed in the aganglionic bowel. The circular muscle layer of the distal aganglionic segment was densely innervated by SOM-LI nerve fibres which are probably derived from the extrinsic, hypertrophic nerve bundles. A decreased number of the intramuscular nerves fibres were seen in the proximal aganglionic segment. In the colon and rectum from adult and 21-day-old rats, SOM-LI cell bodies were numerous in both plexuses. On the other hand, enteric neurons were completely lacking from the colon and rectum of congenital aganglionosis rats of 21 days old. No neuronal elements staining for SOM were disclosed in these aganglionic segments of mutant rats. A possible origin and pathophysiological role of the extrinsic nerve fibres containing SOM in the diseased bowel are discussed. It is concluded that SOM-LI nerves in the human distal colon comprise both intrinsic and extrinsic elements, while SOM nerves in the rat colon and rectum are of only intrinsic origin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00688173
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  • 4
    Electronic Resource
    Electronic Resource
    Distribution of neuropeptide Y-like immunoreactivity in the normoganglionic and aganglionic segments of human colon (1990)
    Springer
    Acta neuropathologica 80 (1990), S. 469-474 
    Details
    ISSN: 1432-0533
    Keywords: Neuropeptide Y ; Immunohistochemistry ; Hirschsprung's disease ; Aganglionosis ; Man
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The localisation and distribution of neuropeptide Y (NPY)-like immunoreactivity were studied by use of immunohistochemical methods in gut tissues from 19 patients with Hirschsprung's disease, including 4 cases of long segment aganglionosis. In the normoganglionic segment, immunoreactive cell bodies and nonvaricose processes were seen within both myenteric and submucous plexuses. A scarce supply of varicose fibres was found in the lamina propria mucosae, muscularis mucosae and longitudinal muscle layer. NPY fibres were more frequently encountered in the circular muscle layer, although with a weakly immunostaining intensity. In addition, blood vessels in the submucosal connective tissue were surrounded by a typical plexus of varicose, NPY-positive fibres. Immunoreactive endocrine cells could be detected in the colonic epithelium. In the aganglionic segment, numerous nerve fasciculi comprising a small to moderate number of NPY fibres with varicosities were observed throughout the entire layer of the colonic wall. A few varicose, NPY-positive fibres were also contained in the relatively large, hypertrophic nerve fasciculi located in the intermuscular zone and submucosal connective tissue. NPY-immunoreactive fasciculi were more densely distributed in the distal aganglionic segment than in the proximal aganglionic one. On the other hand, the distribution of NPY-positive fibres in long segment aganglionosis was quite different from that in short segment type; in cases of long segment type, no immunoreactive nerve fibres were detected within the circular muscle layer of the proximal aganglionic segment near the oligoganglionic segment and only a few fibres were observed within the hypertrophic nerve bundle of the intermuscular zone. The present results suggest that NPY-like immunoreactive nerves in the human colon have a dual origin of intrinsic and extrinsic elements. The origin and nature of extrinsic NPY nerve fibres in the human colon are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00294605
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  • 5
    Electronic Resource
    Electronic Resource
    Age-related nephropathy in the Fischer 344 rat is associated with overexpression of collagens and collagen-binding heat shock protein 47 (1998)
    Springer
    Cell & tissue research 293 (1998), S. 471-478 
    Details
    ISSN: 1432-0878
    Keywords: Key words Kidney ; Aging ; Heat shock protein 47 ; Collagen ; Rat (Fischer 344)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract  To explore the possible role of heat shock protein (HSP) 47 in the age-related renal changes in Fischer 344 (F 344) rats, the expression of collagen-binding HSP47 with various proteins implicated in phenotypic modulation (α-smooth muscle actin, desmin, and vimentin) and fibrosis (type I, type III, and type IV collagens) was examined in young and old F 344 rat kidneys. Male F 344 rats often develop spontaneous nephropathy in old age. Kidneys obtained from 24-month-old F 344 rats showed glomerulosclerosis with marked tubulointerstitial damage including interstitial fibrosis, while no significant histological alteration was found in the kidneys of 6-month-old rats. Immunohistochemical analysis showed an increased accumulation of type I, type III, and type IV collagens in areas of glomerulosclerosis and interstitial fibrosis in old rat kidneys. In kidneys of young rats, collagen-binding HSP47 expression was weak in the glomeruli and occasionally seen in the interstitial cells. In contrast, strong immunostaining for HSP47 was noted in the glomeruli, tubular epithelial cells, and interstitial cells in kidneys of old rats. In addition, phenotypic alterations of mesangial cells and interstitial cells (immunopositive for α-smooth muscle actin), glomerular epithelial cells (immunopositive for desmin), and tubular epithelial cells (immunopositive for vimentin) were found in the kidneys of old F 344 rats. Double immunostaining showed that all these phenotypically altered renal cells express HSP47 and that increased expression of HSP47 was always associated with increased expression of collagens in the old rat kidneys. From the above observations, it is concluded that overexpression of HSP47 by phenotypically altered renal cells might play an important role in the excessive assembly of collagens and could thereby contribute to the glomerulosclerosis and interstitial fibrosis found in kidneys of aged F 344 rats.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004410051139
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