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| Content Provider | PubMed Central |
|---|---|
| Author | Culiat, C. T. Stubbs, L. Nicholls, R. D. Montgomery, C. S. Russell, L. B. Johnson, D. K. Rinchik, E. M. |
| Abstract | Genetic and molecular analyses of a number of radiation-induced deletion mutations of the pink-eyed dilution (p) locus in mouse chromosome 7 have identified a specific interval on the genetic map associated with a neonatally lethal mutation that results in cleft palate. This interval, closely linked and distal to p, and bracketed by the genes encoding the alpha 5 and beta 3 subunits of the type A gamma-aminobutyric acid receptor (Gabra5 and Gabrb3, respectively), contains a gene(s) (cp1; cleft palate 1) necessary for normal palate development. The cp1 interval extends from the distal breakpoint of the prenatally lethal p83FBFo deletion to the Gabrb3 locus. Among 20 p deletions tested, there was complete concordance between alterations at the Gabrb3 transcription unit and inability to complement the cleft-palate defect. These mapping data, along with previously described in vivo and in vitro teratological effects of gamma-aminobutyric acid or its agonists on palate development, suggest the possibility that a particular type A gamma-aminobutyric acid receptor that includes the beta 3 subunit may be necessary for normal palate development. The placement of the cp1 gene within a defined segment of the larger D15S12h (p)-D15S9h-1 interval in the mouse suggests that the highly homologous region of the human genome, 15q11-q13, be evaluated for a role(s) in human fetal facial development. |
| Starting Page | 5105 |
| File Format | |
| ISSN | 10916490 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 11 |
| Volume Number | 90 |
| Language | English |
| Publisher Date | 1993-06-01 |
| Access Restriction | Open |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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