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HEREDITAS(Beijing) ›› 2015, Vol. 37 ›› Issue (8): 731-740.doi: 10.16288/j.yczz.15-033

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Molecular mechanism of idiopathic basal ganglia calcification

Cheng Wang1, Xuan Xu1,Lulu Li1, Tao Wang2, Min Zhang3,Lu Shen4, Beisha Tang4,Jingyu Liu1   

  1. 1. Key Laboratory of Molecular Biophysics of the Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China;
    2. Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China;
    3. Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
    4. Department of Neurology, Xiangya Hospital, Central South University, Changsha 410008, China
  • Online:2015-08-20 Published:2015-08-20

Abstract: Idiopathic basal ganglia calcification (IBGC), also known as Fahr’s disease, is an inheritable neurodegenerative syn-drome characterized by mineral deposits in the basal ganglia and other brain regions. Patients with IBGC are often accompa-nied with movement disorders, cognitive impairment as well as psychiatric abnormalities. So far, no therapeutic drug has been developed for the treatment of IBGC. Recently, genetic studies have identified several genes associated with IBGC, including SLC20A2, PDGFRB, PDGFB, ISG15 and XPR1. Loss-of-function mutations in these genes have been associated with dis-turbance in phosphate homeostasis in brain regions, the dysfunction of blood-brain barrier as well as enhanced IFN-?/??immunity. In this review, we summarize the latest research progress in the studies on molecular genetics of IBGC, and discuss the molecular mechanisms underlying the pathophysiology of mutations of different genes.

Key words: IBGC, SLC20A2, PDGFRB, PDGFB, ISG15, XPR1