Failure to detect connexin43 mutations in 38 cases of sporadic and familial heterotaxy.

Abstract excerpt

BACKGROUND: Heterotaxy results from failure to establish normal left/right asymmetry during embryonic development. Typical manifestations include complex heart defects and malpositioning of abdominal organs. Missense base substitutions clustered in a 150-base pair region of the gap-junction gene connexin43 (cx43) have been implicated in the pathogenesis of heterotaxy. METHODS AND RESULTS: cx43 was studied in 38...

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