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Elevated circulating 7-dehydrocholesterol concentration

MedGen UID:
376537
Concept ID:
C1849185
Finding
Synonym: Elevated 7-dehydrocholesterol
 
HPO: HP:0010569

Definition

Concentration of 7-dehydrocholesterol in the blood circulation above the upper limit of normal. [from HPO]

Term Hierarchy

Conditions with this feature

Smith-Lemli-Opitz syndrome
MedGen UID:
61231
Concept ID:
C0175694
Disease or Syndrome
Smith-Lemli-Opitz syndrome (SLOS) is a congenital multiple-anomaly / cognitive impairment syndrome caused by an abnormality in cholesterol metabolism resulting from deficiency of the enzyme 7-dehydrocholesterol (7-DHC) reductase. It is characterized by prenatal and postnatal growth restriction, microcephaly, moderate-to-severe intellectual disability, and multiple major and minor malformations. The malformations include distinctive facial features, cleft palate, cardiac defects, underdeveloped external genitalia in males, postaxial polydactyly, and 2-3 syndactyly of the toes. The clinical spectrum is wide; individuals with normal development and only minor malformations have been described.

Recent clinical studies

Etiology

Zhuang Z, Yu C, Guo Y, Bian Z, Yang L, Millwood IY, Walters RG, Chen Y, Xu Q, Zou M, Chen J, Chen Z, Lv J, Huang T, Li L
J Clin Endocrinol Metab 2021 Jul 13;106(8):e3249-e3260. doi: 10.1210/clinem/dgab097. PMID: 33596318Free PMC Article

Therapy

Zhuang Z, Yu C, Guo Y, Bian Z, Yang L, Millwood IY, Walters RG, Chen Y, Xu Q, Zou M, Chen J, Chen Z, Lv J, Huang T, Li L
J Clin Endocrinol Metab 2021 Jul 13;106(8):e3249-e3260. doi: 10.1210/clinem/dgab097. PMID: 33596318Free PMC Article

Clinical prediction guides

Zhuang Z, Yu C, Guo Y, Bian Z, Yang L, Millwood IY, Walters RG, Chen Y, Xu Q, Zou M, Chen J, Chen Z, Lv J, Huang T, Li L
J Clin Endocrinol Metab 2021 Jul 13;106(8):e3249-e3260. doi: 10.1210/clinem/dgab097. PMID: 33596318Free PMC Article
Neklason DW, Andrews KM, Kelley RI, Metherall JE
Am J Med Genet 1999 Aug 27;85(5):517-23. doi: 10.1002/(sici)1096-8628(19990827)85:5<517::aid-ajmg18>3.0.co;2-1. PMID: 10405455

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