Sökning: WFRF:(Malmfors Gerhard)
> (1994) >
chromogranin A and ...
chromogranin A and B in neuronal elements in Hirschsprung´s disease : an immunocytochemical and radioimmunoassay
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- Shen, Zhenxin (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper
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- Larsson, Lars Torsten (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper
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- Malmfors, Gerhard (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper
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- Öberg, Kjell (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper,Onkologisk endokrinologi
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- Eriksson, Barbro (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper,Endokrin tumörbiologi
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- Sundler, Frank (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper
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(creator_code:org_t)
- Elsevier BV, 1994
- 1994
- Engelska.
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Ingår i: Journal of Pediatric Surgery. - : Elsevier BV. - 0022-3468 .- 1531-5037. ; 29:10, s. 1293-1301
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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.
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