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Developmental Biology

University of Massachusetts Medical School

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Full-Text Articles in Molecular Biology

Ciliary Proteins Bbs8 And Ift20 Promote Planar Cell Polarity In The Cochlea, Helen L. May-Simera, Ronald S. Petralia, Mireille Montcouquiol, Ya-Xian Wang, Katherine B. Szarama, Yun Liu, Weichun Lin, Michael R. Deans, Gregory J. Pazour, Matthew W. Kelley Feb 2015

Ciliary Proteins Bbs8 And Ift20 Promote Planar Cell Polarity In The Cochlea, Helen L. May-Simera, Ronald S. Petralia, Mireille Montcouquiol, Ya-Xian Wang, Katherine B. Szarama, Yun Liu, Weichun Lin, Michael R. Deans, Gregory J. Pazour, Matthew W. Kelley

Program in Molecular Medicine Publications and Presentations

Primary cilia have been implicated in the generation of planar cell polarity (PCP). However, variations in the severity of polarity defects in different cilia mutants, coupled with recent demonstrations of non-cilia-related actions of some cilia genes, make it difficult to determine the basis of these polarity defects. To address this issue, we evaluated PCP defects in cochlea from a selection of mice with mutations in cilia-related genes. Results indicated notable PCP defects, including mis-oriented hair cell stereociliary bundles, in Bbs8 and Ift20 single mutants that are more severe than in other cilia gene knockouts. In addition, deletion of either Bbs8 ...