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A novel mutation in the cathepsin C gene in a Pakistani family with Papillon-Lefevre syndrome.

AbstractBACKGROUND:
Papillon-Lefevre syndrome (PLS; OMlM 245000) is an autosomal recessive disease caused by mutations in cathepsin C (CTSC) gene and is characterized by palmoplantar keratoderma, psoriasiform lesion over the extensor surfaces and gingivitis followed by loss of teeth. CTSC gene is expressed in several tissues including the skin and cells of the immune system. In the skin, CTSC plays a role in differentiation and desquamation, whereas in the immune system, it activates serine proteases.
OBJECTIVES:
We analysed the molecular basis of PLS in a Pakistani family.
METHODS:
Genomic DNA was isolated from the sample according to standard techniques. All exons of the CTSC gene with adjacent sequences of exon-intron borders were amplified by PCR and directly sequenced.
RESULTS:
We identified a novel deletion mutation designated c.2ldelG (Leu7PhefsX57) in exon 1 of the CTSC gene, which probably results in the absence of CTSC protein.
CONCLUSION:
Our data further expand the spectrum of mutations in the CTSC gene underlying PLS.
AuthorsM Kurban, T Cheng, M Wajid, M Kiuru, Y Shimomura, A M Christiano
JournalJournal of the European Academy of Dermatology and Venereology : JEADV (J Eur Acad Dermatol Venereol) Vol. 24 Issue 8 Pg. 967-9 (Aug 2010) ISSN: 1468-3083 [Electronic] England
PMID20236208 (Publication Type: Case Reports, Journal Article, Research Support, N.I.H., Extramural, Research Support, Non-U.S. Gov't)
Chemical References
  • Cathepsin C
Topics
  • Adult
  • Cathepsin C (genetics)
  • Exons (genetics)
  • Humans
  • Introns (genetics)
  • Male
  • Pakistan
  • Papillon-Lefevre Disease (ethnology, genetics)
  • Sequence Deletion (genetics)

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