Abstract:
:Primary familial brain calcification (PFBC) is a genetically heterogeneous disorder characterized by bilateral calcifications in the basal ganglia and other brain regions. The genetic basis of this disorder remains unknown in a significant portion of familial cases. Here, we reported a recessive causal gene, MYORG, for PFBC. Compound heterozygous or homozygous mutations of MYORG co-segregated completely with PFBC in six families, with logarithm of odds (LOD) score of 4.91 at the zero recombination fraction. In mice, Myorg mRNA was expressed specifically in S100β-positive astrocytes, and knockout of Myorg induced the formation of brain calcification at 9 months of age. Our findings provide strong evidence that loss-of-function mutations of MYORG cause brain calcification in humans and mice.
journal_name
Neuronjournal_title
Neuronauthors
Yao XP,Cheng X,Wang C,Zhao M,Guo XX,Su HZ,Lai LL,Zou XH,Chen XJ,Zhao Y,Dong EL,Lu YQ,Wu S,Li X,Fan G,Yu H,Xu J,Wang N,Xiong ZQ,Chen WJdoi
10.1016/j.neuron.2018.05.037subject
Has Abstractpub_date
2018-06-27 00:00:00pages
1116-1123.e5issue
6eissn
0896-6273issn
1097-4199pii
S0896-6273(18)30435-5journal_volume
98pub_type
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