Deletion of late cornified envelope 3B and 3C genes is not associated with atopic dermatitis

Judith G M Bergboer, Patrick L J M Zeeuwen, Alan D. Irvine, Stephan Weidinger, Emiliano Giardina, Giuseppe Novelli, Martin Den Heijer, Elke Rodriguez, Thomas Illig, Eva Riveira-Munoz, Linda E. Campbell, Jess Tyson, Emma N. Dannhauser, Gráinne M. O'Regan, Elena Galli, Norman Klopp, Gerard H. Koppelman, Natalija Novak, Xavier Estivill, W. H Irwin McLeanDirkje S. Postma, John A L Armour, Joost Schalkwijk

Research output: Contribution to journalArticlepeer-review


Atopic dermatitis (AD) and psoriasis are common skin diseases characterized by cutaneous inflammation and disturbed epidermal differentiation. Genome-wide analyses have shown overlapping susceptibility loci, such as the epidermal differentiation complex on chromosome 1q21. Recently, a deletion on 1q21 (LCE3C-LCE3B-del), comprising LCE3B and LCE3C, two members of the late cornified envelope (LCE) gene cluster, was found to be associated with psoriasis. Although the mechanistic role of LCE proteins in psoriasis has not been identified, these proteins are putatively involved in skin barrier formation and repair. Considering the potential genetic overlap between the two diseases and the recent finding that mutations in the skin barrier protein filaggrin are associated with AD, we investigated a possible association between LCE3C-LCE3B-del and AD. Evaluation of four different cohorts of European ancestry, containing a total of 1075 AD patients and 1658 controls, did not provide evidence for such an association. Subgroup analysis did not reveal an association with concomitant asthma. Our data suggest that the potential roles of skin barrier defects in the pathogenesis of AD and psoriasis are based on distinct genetic causes.

Original languageEnglish
Pages (from-to)2057-2061
Number of pages5
JournalJournal of Investigative Dermatology
Issue number8
Publication statusPublished - Aug 2010

ASJC Scopus subject areas

  • Dermatology
  • Biochemistry
  • Cell Biology
  • Molecular Biology


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