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西亚试剂:γ-Secretase Gene Mutations in Familial Acne Inversa

γ-Secretase Gene Mutations in Familial Acne Inversa
Baoxi Wang1,*, Wei Yang2,*, Wen Wen3,*, Jing Sun2,*, Bin Su1,*, Bo Liu4, Donglai Ma1, Dan Lv2, Yaran Wen2, Tao Qu1, Min Chen5, Miao Sun2, Yan Shen2,4,? and Xue Zhang2,3,?

1Peking Union Medical College Hospital, Chinese Academy of Medical Sciences–Peking Union Medical College (CAMS-PUMC), Beijing, China.
2State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, CAMS-PUMC, Beijing, China.
3China Medical University, Shenyang, China.
4Chinese National Human Genome Center at Beijing, Beijing, China.
5Institute of Dermatology, CAMS-PUMC, Nanjing, China.

Acne inversa (AI), also known as hidradenitis suppurativa, is a chronic, recurrent, inflammatory disease of hair follicles that often runs in families. We studied six Chinese families with features of AI as well as additional skin lesions on back, face, nape, and waist and found independent loss-of-function mutations in PSENEN, PSEN1, or NCSTN, the genes encoding essential components of the γ-secretase multiprotein complex. Our results identify the γ-secretase component genes as the culprits for a subset of familial AI, implicate the γ-secretase–Notch pathway in the molecular pathogenesis of AI, and demonstrate that familial AI can be an allelic disorder of early-onset familial Alzheimer’s disease.