{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,6]],"date-time":"2025-10-06T05:46:06Z","timestamp":1759729566598,"version":"3.37.3"},"reference-count":20,"publisher":"Wiley","license":[{"start":{"date-parts":[[2017,1,1]],"date-time":"2017-01-01T00:00:00Z","timestamp":1483228800000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["81470202","81570288","13IJ3020","2015JC3032"],"award-info":[{"award-number":["81470202","81570288","13IJ3020","2015JC3032"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["81470202","81570288","13IJ3020","2015JC3032"],"award-info":[{"award-number":["81470202","81570288","13IJ3020","2015JC3032"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004735","name":"Natural Science Foundation of Hunan Province","doi-asserted-by":"publisher","award":["81470202","81570288","13IJ3020","2015JC3032"],"award-info":[{"award-number":["81470202","81570288","13IJ3020","2015JC3032"]}],"id":[{"id":"10.13039\/501100004735","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Planned Science and Technology Project of Hunan Province, China","award":["81470202","81570288","13IJ3020","2015JC3032"],"award-info":[{"award-number":["81470202","81570288","13IJ3020","2015JC3032"]}]},{"name":"National Key Clinical Specialty Construction Projects of China","award":["81470202","81570288","13IJ3020","2015JC3032"],"award-info":[{"award-number":["81470202","81570288","13IJ3020","2015JC3032"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["BioMed Research International"],"published-print":{"date-parts":[[2017]]},"abstract":"<jats:p>Birt-Hogg-Dube syndrome (BHD, OMIM#135150) is a rare disease in clinic; it is characterized by skin fibrofolliculomas, pulmonary cysts with an increased risk of recurrent pneumothorax, renal cysts, and renal neoplasms. Previous studies have demonstrated that variants in<jats:italic> folliculin<\/jats:italic> (<jats:italic>FLCN<\/jats:italic>, NM_144997) are mainly responsible for this disease. In this research, we enrolled two BHD families and applied direct sequencing of<jats:italic> FLCN<\/jats:italic> to explore the genetic lesions in them. Two<jats:italic> FLCN<\/jats:italic> mutations were identified: one is a novel deletion variant (c.668delA\/p.N223TfsX19), while the other is a previously reported insertion mutation (c.1579_1580insA\/p.R527QfsX75). And the pathogenicity of both variants was confirmed by cosegregation assay. Bioinformatics analysis showed that c.668delA may lead to functional haploinsufficiency of<jats:italic> FLCN<\/jats:italic> because mRNA carrying this mutation exhibits a faster degradation rate comparing to the wild type. Real-time qPCR also confirmed that the mRNA level of<jats:italic> FLCN<\/jats:italic> expression in the proband was decreased significantly compared with the controls, which may disrupt the mTOR pathway and lead to BHD. The insertion mutation (c.1579_1580insA) was predicted to cause a prolonged amino acid sequence of FLCN. The present identification of two mutations not only further supports the important role of tumor suppressor FLCN in BHD and primary spontaneous pneumothorax, but also expands the spectrum of<jats:italic> FLCN<\/jats:italic> mutations and will provide insight into genetic diagnosis and counseling of families with BHD.<\/jats:p>","DOI":"10.1155\/2017\/8751384","type":"journal-article","created":{"date-parts":[[2017,7,12]],"date-time":"2017-07-12T17:03:44Z","timestamp":1499879024000},"page":"1-6","source":"Crossref","is-referenced-by-count":6,"title":["Detection of<i> Folliculin<\/i> Gene Mutations in Two Chinese Families with Birt-Hogg-Dube Syndrome"],"prefix":"10.1155","volume":"2017","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9719-9930","authenticated-orcid":true,"given":"Lv","family":"Liu","sequence":"first","affiliation":[{"name":"Department of Respiratory Medicine, Diagnosis and Treatment Center of Respiratory Disease, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kai","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Cardiothoracic Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiang","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Thoracic Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhihui","family":"Shi","sequence":"additional","affiliation":[{"name":"Department of Respiratory Medicine, Diagnosis and Treatment Center of Respiratory Disease, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yifeng","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Cardiothoracic Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yu","family":"Yuan","sequence":"additional","affiliation":[{"name":"Department of Respiratory Medicine, Diagnosis and Treatment Center of Respiratory Disease, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3252-308X","authenticated-orcid":true,"given":"Ting","family":"Guo","sequence":"additional","affiliation":[{"name":"Department of Respiratory Medicine, Diagnosis and Treatment Center of Respiratory Disease, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaocui","family":"Xiao","sequence":"additional","affiliation":[{"name":"Department of Respiratory Medicine, Diagnosis and Treatment 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