Journal
AMERICAN JOURNAL OF MEDICAL GENETICS PART A
Volume 164, Issue 7, Pages 1750-1755Publisher
WILEY-BLACKWELL
DOI: 10.1002/ajmg.a.36492
Keywords
FKBP14; kyphoscoliosis; Ehlers-Danlos syndrome; arterial dissection
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Funding
- Freudmann Fund
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Biallelic mutations in FKBP14 cause a recessive form of Ehlers-Danlos syndrome (EDS) characterized by progressive kyphoscoliosis, myopathy, and hearing loss. To date, four children and one adult with this condition have been reported. We recently identified a 42-year-old man with severe kyphoscoliosis, restrictive/obstructive lung disease, short stature, mild hearing loss, decreased muscle mass, and a dissection of the celiac artery at age 41. He also had complete occlusion of the superior mesenteric artery with compensatory flow through an enlarged and tortuous inferior mesenteric artery. He was homozygous for a previously identified FKBP14 mutation, c.362dupC, p.(Glu122Argfs*7). He had no mutations in COL3A1, ACTA2, TGFBR1, TGFBR2, or SMAD3. The FKBP14 mutations in our patient occurred on the same haplotype as others with this same mutation. Although one family member in a previous report was thought to have early vascular complications, it could not be confirmed that she had biallelic mutations in FKBP14. This report expands the phenotype of FKBP14-related EDS to include risk for vascular complications and also raises the question of whether the shared haplotype represents a risk allele or founder mutation. (c) 2014 Wiley Periodicals, Inc.
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