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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Biochemical genetic analysis of human and rodent aldehyde dehydrogenase (ALDH).

ALDH isozymes have been characterized in terms of substrate and coenzyme specificity, heat stability, tissue distribution and electrophoretic properties. The activity of the isozymes has also been examined in rodent-human somatic cell hybrids in order to map the structural genes to specific chromosomes and to study the control of gene expression. One isozyme, designated ALDH3, which is very active against benzaldehyde, was found to show variable expression in hybrids made between rat hepatoma cells and human fibroblasts or fetal liver. Segregation analysis of these hybrids indicates that the structural locus for human ALDH3 may be on chromosome 17. The expression of rodent ALDH3 in these hybrids was extremely variable and not correlated with the appearance of the human enzyme. In hybrids expressing human and rodent ALDH3 no heteromeric isozymes were observed. The human "cytosolic" ALDH1 and "mitochondrial" ALDH2 isozymes did not appear to be expressed in any of the somatic cell hybrids examined.[1]


  1. Biochemical genetic analysis of human and rodent aldehyde dehydrogenase (ALDH). Hopkinson, D.A., Santisteban, I., Povey, S., Smith, M. Alcohol (1985) [Pubmed]
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