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Shao H, Hua J, Wu Q, Li X, Zhang M, Wang H, Wu J, Xu L, Xie Y, Li L, Chen H. Identification of a Mutation in the Novel Compound Heterozygous CFTR in a Chinese Family with Cystic Fibrosis. Can Respir J 2020; 2020:6507583. [PMID: 32454915 PMCID: PMC7229557 DOI: 10.1155/2020/6507583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 03/05/2020] [Accepted: 03/13/2020] [Indexed: 02/05/2023] Open
Abstract
Cystic fibrosis (CF) is one of the most common autosomal recessive disorders among Caucasians of Northern European descent but is uncommon in the Chinese population. Objectives. To elucidate the mutation in the novel compound heterozygous CFTR causing CF in Chinese family. Materials and Methods. Clinical samples were obtained from a Chinese family, the brother and sister with recurrent airway infections, hypoxemia and obstructive ventilatory impairment, sinusitis, clubbed fingers, salty sweat, and nasal polyposis. We performed whole-exome sequencing on the family and validated all potential variants by Sanger sequencing. Results. Next-generation sequencing showed a novel compound heterozygous CFTR mutation (c.400 A > G p.Arg134Gly and c.3484 C > T p.Arg1162 ∗ ) which resulted in CF in the family. Conclusions. As this mutation is consistent with the observed clinical manifestations of CF and no other mutations were detected after scanning the gene sequence, we suggest that their CF phenotypes are caused by the compound heterozygous mutation, c.400 A > G p.Arg134Gly and c.3484 C > T p.Arg1162 ∗ . As c.400 A > G is not currently listed in the Cystic Fibrosis Mutation Database, this information, regarding the CF-causing mutations in two Chinese patients, is of interest.
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Affiliation(s)
- Hongxia Shao
- 1Department of Respiratory Medicine, Haihe Hospital, Tianjin University, Tianjin 300350, China
- 2Tianjin Institute of Respiratory Diseases, Tianjin 300350, China
- 3Tianjin Key Laboratory of Lung Regenerative Medicine, Tianjin 300350, China
| | - Jingna Hua
- 1Department of Respiratory Medicine, Haihe Hospital, Tianjin University, Tianjin 300350, China
- 2Tianjin Institute of Respiratory Diseases, Tianjin 300350, China
- 3Tianjin Key Laboratory of Lung Regenerative Medicine, Tianjin 300350, China
| | - Qi Wu
- 1Department of Respiratory Medicine, Haihe Hospital, Tianjin University, Tianjin 300350, China
- 2Tianjin Institute of Respiratory Diseases, Tianjin 300350, China
- 3Tianjin Key Laboratory of Lung Regenerative Medicine, Tianjin 300350, China
| | - Xiaoge Li
- 4Tianjin Jinnan Xiaozhan Hospital, Tianjin 300353, China
| | - Ming Zhang
- 5Department of Medical Ultrasonics, Haihe Hospital, Tianjin University, Tianjin 300350, China
| | - Herong Wang
- 1Department of Respiratory Medicine, Haihe Hospital, Tianjin University, Tianjin 300350, China
- 2Tianjin Institute of Respiratory Diseases, Tianjin 300350, China
| | - Junping Wu
- 2Tianjin Institute of Respiratory Diseases, Tianjin 300350, China
- 3Tianjin Key Laboratory of Lung Regenerative Medicine, Tianjin 300350, China
- 6Department of Tuberculosis Medicine, Haihe Hospital, Tianjin University, Tianjin 300350, China
| | - Long Xu
- 7Department of Science and Education, Haihe Hospital, Tianjin University, Tianjin 300350, China
| | - Yi Xie
- 7Department of Science and Education, Haihe Hospital, Tianjin University, Tianjin 300350, China
| | - Li Li
- 1Department of Respiratory Medicine, Haihe Hospital, Tianjin University, Tianjin 300350, China
- 2Tianjin Institute of Respiratory Diseases, Tianjin 300350, China
| | - Huaiyong Chen
- 2Tianjin Institute of Respiratory Diseases, Tianjin 300350, China
- 3Tianjin Key Laboratory of Lung Regenerative Medicine, Tianjin 300350, China
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