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Ptch Mutations In Sporadic And Gorlin-Syndrome-Related Odontogenic Keratocysts, Xiaomei Gu, H. Zhao, L. Sun, T. Li
Ptch Mutations In Sporadic And Gorlin-Syndrome-Related Odontogenic Keratocysts, Xiaomei Gu, H. Zhao, L. Sun, T. Li
Xiaomei Gu
Odontogenic keratocysts are relatively common lesions that may occur in isolation or in association with nevoid basal cell carcinoma syndrome (or Gorlin syndrome). The PTCH gene has been reported to be associated with Gorlin syndrome. We investigated 10 cases of non-syndromic keratocysts and two other cases associated with Gorlin syndrome, looking for PTCH mutations. Four novel and 1 known PTCH mutations were identified in five individual patients. Of the 5 mutations identified, 2 were germ-line mutations (2619C>A; 1338_1339insGCG) in 2 cysts associated with Gorlin syndrome, and 3 were somatic mutations (3124_3129dupGTGTGC; 1361_1364delGTCT; 3913G>T) in 3 non-syndromic cysts. This …