Which conditions are caused by mutations in the SDHD gene?

Updated: Aug 10, 2018
  • Author: Michael A Blake, MBBCh, MRCPI, FRCR; Chief Editor: George T Griffing, MD  more...
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Answer

The succinate dehydrogenase complex subunit B protein is encoded by the SDHB gene. Mutations in this gene are known to cause carotid body tumors and paragangliomas and are inherited in an autosomal dominant fashion. Paragangliomas caused by SDHB mutations have a higher rate of malignant transformation that those that are not.


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