Generation of conditional knockout alleles for PDGF-C |
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Authors: | Wu Xiaoli Ding Hao |
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Affiliation: | Department of Biochemistry and Medical Genetics, University of Manitoba, Winnipeg, Manitoba, Canada. |
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Abstract: | PDGF-C is a newly identified member of the platelet-derived growth factor (PDGF) family, which is involved in multiple cellular functions by signaling through PDGF receptor (PDGFR)-alphaalpha and alphabeta dimers. PDGF-C deficiency is perinatal lethal due to the formation of cleft palate. To further characterize the cellular function of PDGF-C during both embryonic and postnatal development, we have generated two conditional alleles of the Pdgf-c gene in which two loxP sites flank exon 5. Global Cre-mediated excision of the floxed exon 5 in these alleles resulted in a complete loss of PDGF-C expression and caused embryonic defects identical to those previously described for the PDGF-C null embryos. These conditional alleles will therefore be the important genetic tools for dissecting the spatial and temporal roles of PDGF-C during development and in adult tissues. Furthermore, from this work, we have also described a simple approach for creating mouse conditional alleles in an efficient manner. |
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Keywords: | PDGF‐C conditional null allele Cre recombinase gene targeting cleft palate |
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