Megacystis-microcolon-intestinal hypoperistalsis syndrome and the absence of the alpha 3 nicotinic acetylcholine receptor subunit
Richardson, C. E., Morgan, J. M., Jasani, B., Green, J. T., Rhodes, J., Williams, G. T., Lindstrom, J., Wonnacott, S., Thomas, G. A. O. and Smith, V., 2001. Megacystis-microcolon-intestinal hypoperistalsis syndrome and the absence of the alpha 3 nicotinic acetylcholine receptor subunit. Gastroenterology, 121 (2), pp. 350-357.
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Background & Aims: The megacystis-microcolon-intestinal hypoperistalsis syndrome (MMIHS) is a rare disease of childhood that presents early with intestinal hypoperistalsis, hydronephrosis, and hydroureters. Transgenic mice that lack the alpha3 subunit containing nicotinic acetylcholine (nAChR) have a phenotype similar to that of MMIHS. Methods: We examined the expression of this subunit in control and MMIHS tissue derived from patients using in situ hybridization (ISH) and immunocytochemistry (ICC). Results: In controls, both techniques showed a wide distribution of alpha3 nAChRs present in ganglion cells, muscle, and epithelium. By contrast, most MMIHS tissue gave negative staining with ISH and variable results with ICC. Conclusions: These observations are consistent with a lack of alpha3 nAChRs contributing to the pathogenesis of MMIHS.
|Creators||Richardson, C. E., Morgan, J. M., Jasani, B., Green, J. T., Rhodes, J., Williams, G. T., Lindstrom, J., Wonnacott, S., Thomas, G. A. O. and Smith, V.|
|Departments||Faculty of Science > Biology & Biochemistry|
|Additional Information||ID number: ISI:000170210100017|
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