Second-Hit, Postzygotic PMVK and MVD Mutations in Linear Porokeratosis
Author(s) -
Lihi Atzmony,
H. Khan,
Young Hee Lim,
Amy S. Paller,
Jonathan Levinsohn,
Kristen E. Holland,
Fatima N. Mirza,
Emily S. Yin,
Christine J. Ko,
Jonathan S. Leventhal,
Keith A. Choate
Publication year - 2019
Publication title -
jama dermatology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.128
H-Index - 166
eISSN - 2168-6084
pISSN - 2168-6068
DOI - 10.1001/jamadermatol.2019.0016
Subject(s) - porokeratosis , germline mutation , germline , genodermatosis , mutation , genetics , loss of heterozygosity , exome sequencing , compound heterozygosity , medicine , exome , biology , pathology , dermatology , gene , allele
Linear porokeratosis features linear and whorled configurations of keratotic papules and plaques, with coronoid lamellae present on histologic examination. Because linear porokeratosis manifests in the lines of Blaschko representing the dorsoventral migration patterns of keratinocyte precursors, it has been suggested that postzygotic somatic mutation underlies the disease. However, no genetic evidence has supported this hypothesis to date.
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