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Phenotypes, Developmental Basis, and Genetics of Pierre Robin Complex
Susan M Motch Perrine1, Meng Wu2, Greg Holmes2
1Department of Anthropology, The Pennsylvania State University, University Park, PA 16802, USA.
Abstract:
The phenotype currently accepted as Pierre Robin syndrome/sequence/anomalad/complex (PR) is characterized by mandibular dysmorphology, glossoptosis, respiratory obstruction, and in some cases, cleft palate. A causative sequence of developmental events is hypothesized for PR, but few clear causal relationships between discovered genetic variants, dysregulated gene expression, precise cellular processes, pathogenesis, and PR-associated anomalies are documented. This review presents the current understanding of PR phenotypes, the proposed pathogenetic processes underlying them, select genes associated with PR, and available animal models that could be used to better understand the genetic basis and phenotypic variation of PR.
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