title: Mutations in LPAR6/P2RY5 and LIPH are associated with woolly hair and/or hypotrichosis.
abstract: BACKGROUND
  Woolly hair (WH) belongs to a family of disorders characterized by hair shaft anomalies that clinically presents with tightly curled hair, which can be divided into syndromic and non-syndromic forms of WH. We have recently identified mutations in both LPAR6/P2RY5 and LIPH that are associated with autosomal recessive woolly hair (ARWH).
  
  
  OBJECTIVE
  To study the underlying genetic causes of autosomal woolly hair in Pakistani population.
  
  
  METHODS
  We studied 10 Pakistani families with ARWH for mutations in LPAR6/P2RY5 and LIPH and then performed haplotype analysis to confirm their segregation in the families.
  
  
  RESULTS
  We identified five mutations in LPAR6/P2RY5, among which three were recurrent and two were novel in eight Pakistani families. We then showed that two of the mutations in LPAR6/P2RY5 are founder mutations in Pakistani families. Moreover, we identified two recurrent mutations in the LIPH gene in two Pakistani families.
  
  
  CONCLUSIONS
  Our study extends the spectrum of mutations in LPAR6/P2RY5 gene and underscores those mutations in LPAR6/P2RY5 and LIPH result in similar phenotypes.
authors.affiliation: Department of Dermatology, Columbia University, New York, USA.
authors.forename: M
authors.initials: M
authors.lastname: Kurban
authors.forename: M
authors.initials: M
authors.lastname: Wajid
authors.forename: Y
authors.initials: Y
authors.lastname: Shimomura
authors.forename: A M
authors.initials: AM
authors.lastname: Christiano
mesh_terms: D005260:Female; D006201:Hair Diseases / Q000235:genetics*; D006239:Haplotypes; D006801:Humans; D007039:Hypotrichosis / Q000235:genetics*; D008049:Lipase / Q000235:genetics*; D008297:Male; D009154:Mutation; D010375:Pedigree; D049368:Receptors, Lysophosphatidic Acid / Q000235:genetics*; D018048:Receptors, Purinergic P2 / Q000235:genetics*
chemical_list: C504173:LIPC protein, human; C082320:LPAR4 protein, human; C545560:LPAR6 protein, human; D049368:Receptors, Lysophosphatidic Acid; D018048:Receptors, Purinergic P2; D008049:Lipase