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Lookup NU author(s): Dr Ekaterina Sorkina
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© 2024 Wiley Periodicals LLC. Morbidity and mortality rates in patients with autosomal recessive, congenital generalized lipodystrophy type 4 (CGL4), an ultra-rare disorder, remain unclear. We report on 30 females and 16 males from 10 countries with biallelic null variants in CAVIN1 gene (mean age, 12 years; range, 2 months to 41 years). Hypertriglyceridemia was seen in 79% (34/43), hepatic steatosis in 82% (27/33) but diabetes mellitus in only 21% (8/44). Myopathy with elevated serum creatine kinase levels (346–3325 IU/L) affected all of them (38/38). 39% had scoliosis (10/26) and 57% had atlantoaxial instability (8/14). Cardiac arrhythmias were detected in 57% (20/35) and 46% had ventricular tachycardia (16/35). Congenital pyloric stenosis was diagnosed in 39% (18/46), 9 had esophageal dysmotility and 19 had intestinal dysmotility. Four patients suffered from intestinal perforations. Seven patients died at mean age of 17 years (range: 2 months to 39 years). The cause of death in four patients was cardiac arrhythmia and sudden death, while others died of prematurity, gastrointestinal perforation, and infected foot ulcers leading to sepsis. Our study highlights high prevalence of myopathy, metabolic abnormalities, cardiac, and gastrointestinal problems in patients with CGL4. CGL4 patients are at high risk of early death mainly caused by cardiac arrhythmias.
Author(s): Akinci G, Alyaarubi S, Patni N, Alhashmi N, Al-Shidhani A, Prodam F, Gagne N, Babalola F, Al Senani A, Muniraj K, Elsayed SM, Beghini M, Saydam BO, Allawati M, Vaishnav MS, Can E, Simsir IY, Sorkina E, Dursun F, Kamrath C, Cavdar U, Chakraborty PP, Dogan OA, Al Hosin A, Al Maimani A, Comunoglu N, Hamed A, Huseinbegovic T, Scherer T, Curtis J, Brown RJ, Topaloglu H, Simha V, Wabitsch M, Tuysuz B, Oral EA, Akinci B, Garg A
Publication type: Article
Publication status: Published
Journal: American Journal of Medical Genetics, Part A
Year: 2024
Volume: 194
Issue: 6
Print publication date: 01/06/2024
Online publication date: 17/01/2024
Acceptance date: 13/12/2023
ISSN (print): 1552-4825
ISSN (electronic): 1552-4833
Publisher: John Wiley and Sons Inc.
URL: https://doi.org/10.1002/ajmg.a.63533
DOI: 10.1002/ajmg.a.63533
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