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[Analysis of ANKRD11 gene variant in a family affected with KBG syndrome]

Dayan Wang¹, Panjian Lai, Xiaobing Li

¹First Department of Pediatrics, Jinhua Central Hospital, Zhejiang 321000, China. airy005@163.com.

Zhonghua Yi Xue Yi Chuan Xue Za Zhi = Zhonghua Yixue Yichuanxue Zazhi = Chinese Journal of Medical Genetics

|August 22, 2020

Abstract

Objective:

To explore the genetic basis for a pedigree affected with KBG syndrome.

Methods:

Clinical data of three patients from the pedigree (the proband, his mother and sister) was collected. Genomic DNA was extracted from peripheral blood samples and subjected to whole exome sequencing (WES). Suspected variant was verified by Sanger sequencing.

Results:

The proband was found to harbor a heterozygous c.4398_4401del (p.Glu1467AsnfsTer63) frameshift variant of the ANKRD11 gene by WES. Sanger sequencing confirmed that the same variant was also present in his mother and sister, but not in his father.

Conclusion:

The c.4398_4401de (p.Glu1467AsnfsTer63) variation of the ANKRD11 gene probably underlies the KBG syndrome in this pedigree.

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