Connexin43 regulates joint location in zebrafish fins

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Connexin43 regulates joint location in zebrafish fins.

Joints are essential for skeletal form and function, yet their development remains poorly understood. In zebrafish fins, joints form between the bony fin ray segments providing essentially unlimited opportunities to evaluate joint morphogenesis. Mutations in cx43 cause the short segment phenotype of short fin (sof(b123)) mutants, suggesting that direct cell-cell communication may regulate joint...

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Mechanisms that regulate the size and shape of bony structures are largely unknown. The molecular identification of the fin length mutant short fin (sof), which causes defects in the length of bony fin ray segments, may provide insights regarding the regulation of bone growth. In this report, we demonstrate that the sof phenotype is caused by mutations in the connexin43 (cx43) gene. This conclu...

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ژورنال

عنوان ژورنال: Developmental Biology

سال: 2009

ISSN: 0012-1606

DOI: 10.1016/j.ydbio.2008.12.027