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Comparative FISH mapping of Gab1 and Gab2 genes in human, mouse and rat.
Gab1 and Gab2 are members of the Gab family which act as adapters for transmitting various signals in response to stimuli through cytokine and growth factor receptors, and T- and B-cell antigen receptors. We determined chromosome locations of the two genes in human, mouse and rat by fluorescence in situ hybridization. The Gab1 gene was localized to chromosome 4q31.1 in human, 8C3 in mouse and 19q11.1--> q11.2 in rat, and the Gab2 gene was located on chromosome 11q13.4-->q13.5 in human, 7E2 in mouse and 1q33.2-->q33.3 in rat. All human, mouse and rat Gab1 and Gab2 genes were localized to chromosome regions where conserved homology has been identified among the three species.
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