Cloning and chromosomal localisation of the murine epidermal-type fatty acid binding protein gene (Fabpe).
We succeeded in cloning the gene encoding the murine epidermal-type fatty acid binding protein (E-FABP). To avoid the screening of pseudogenes, the presence of which was shown by PCR, we designed an intron-specific probe and screened a bacterial artificial chromosome library from mouse embryonic stem cells. One of the clones obtained was analysed by restriction with various enzymes and an 11-kb EcoRI fragment with the complete gene was subcloned. The gene revealed the canonical exon/intron FABP structure consisting of four exons (112, 173, 102 and 544bp, respectively) and three introns (2217, 327 and 546bp, respectively). The exon sequences were identical with the cDNA encoding mouse E-FABP (Krieg, P., Feil, S., Fürstenberger, G., Bowden, T.G., 1993. Tumor-specific overexpression of a novel keratinocyte lipid-binding protein. Identification and characterisation of a cloned sequence activated during multistage carcinogenesis in mouse skin. J. Biol. Chem. 268, 17362-17369). Of the 5' region, 2470bp were sequenced and searched for transcription factor binding sites. Putative responsive elements within the promoter region were identified that may be responsible for the wide expression observed for E-FABP in mouse tissues. The 11-kb EcoRI fragment was used to localise Fabpe on chromosome 3 in the region 3A1-3 by fluorescence in-situ hybridisation.[1]References
- Cloning and chromosomal localisation of the murine epidermal-type fatty acid binding protein gene (Fabpe). Bleck, B., Hohoff, C., Binas, B., Rüstow, B., Dixkens, C., Hameister, H., Börchers, T., Spener, F. Gene (1998) [Pubmed]
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