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chromogranin A and B in neuronal elements in Hirschsprung´s disease: an immunocytochemical and radioimmunoassay
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences. (Onkologisk endokrinologi)
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1994 (English)In: Journal of Pediatric Surgery, ISSN 0022-3468, E-ISSN 1531-5037, Vol. 29, no 10, 1293-1301 p.Article in journal (Refereed) Published
Abstract [en]

Chromogranin A and B (CAB) occur in several peptide hormone-producing cells and in neurons of the brain. The aim of the present study was to investigate the possible neuronal localization of these chromogranins in the ganglionic and aganglionic bowel in Hirschsprung's disease by immunocytochemistry and radioimmunoassay, using antibodies recognizing either chromogranin A or both chromogranin A and B. Further, the coexistence of chromogranins and other neuronal constituents was studied. CAB were found in nerve fibers and occasionally in nerve cell bodies of submucous and myenteric ganglia in the ganglionic bowel, indicating that at least a population of chromogranin-immunoreactive nerve fibers is intrinsic in origin. CAB-immunoreactive fibers were numerous in the muscle layers of the aganglionic segment. These fibers contained tyrosine hydroxylase (TH), which indicates that they are adrenergic, in both ganglionic and aganglionic bowel. In the muscle layers of aganglionic (but not ganglionic) bowel, chromogranin A coexisted with galanin, neuropeptide Y (NPY), and vasoactive intestinal peptide (VIP). The concentration of CAB in smooth muscle specimens was higher in the aganglionic bowel than in the ganglionic bowel. Thus, chromogranins are present in the human enteric gut hyperinnervating the aganglionic bowel of Hirschsprung's disease.

Place, publisher, year, edition, pages
1994. Vol. 29, no 10, 1293-1301 p.
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Medical and Health Sciences
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URN: urn:nbn:se:uu:diva-150109DOI: 10.1016/0022-3468(94)90100-7PubMedID: 7807311OAI: oai:DiVA.org:uu-150109DiVA: diva2:406450
Available from: 2011-03-25 Created: 2011-03-25 Last updated: 2017-12-11Bibliographically approved

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