Schizophrenia risk from complex variation of complement component 4

被引：1623

作者：

Sekar, Aswin ^{[1
,2
,3
]}

Bialas, Allison R. ^{[4
,5
]}

de Rivera, Heather ^{[1
,2
]}

Davis, Avery ^{[1
,2
]}

Hammond, Timothy R. ^{[4
]}

Kamitaki, Nolan ^{[1
,2
]}

Tooley, Katherine ^{[1
,2
]}

Presumey, Jessy ^{[5
]}

Baum, Matthew ^{[1
,2
,3
,4
]}

Van Doren, Vanessa ^{[1
]}

Genovese, Giulio ^{[1
,2
]}

Rose, Samuel A. ^{[2
]}

Handsaker, Robert E. ^{[1
,2
]}

Daly, Mark J. ^{[2
,6
]}

Carroll, Michael C. ^{[5
]}

Stevens, Beth ^{[2
,4
]}

McCarroll, Steven A. ^{[1
,2
]}

机构：

[1] Harvard Univ, Sch Med, Dept Genet, Boston, MA 02115 USA

[2] Broad Inst MIT & Harvard, Stanley Ctr Psychiat Res, Cambridge, MA 02142 USA

[3] Harvard Univ, Sch Med, MD PhD Program, Boston, MA 02115 USA

[4] Harvard Univ, Sch Med, Boston Childrens Hosp, Dept Neurol,FM Kirby Neurobiol Ctr, Boston, MA 02115 USA

[5] Boston Childrens Hosp, Program Cellular & Mol Med, Boston, MA 02115 USA

[6] Massachusetts Gen Hosp, Analyt & Translat Genet Unit, Boston, MA 02114 USA

来源：

NATURE | 2016年 / 530卷 / 7589期

关键词：

CLASSICAL PATHWAY COMPLEMENT; CORTICAL PYRAMIDAL NEURONS; DENDRITIC SPINE DENSITY; ENDOGENOUS RETROVIRUSES; PRENATAL DEVELOPMENT; SYNAPSE ELIMINATION; COMMON VARIANTS; MHC HAPLOTYPES; C4; PROTEIN;

D O I：

10.1038/nature16549

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Schizophrenia is a heritable brain illness with unknown pathogenic mechanisms. Schizophrenia's strongest genetic association at a population level involves variation in the major histocompatibility complex (MHC) locus, but the genes and molecular mechanisms accounting for this have been challenging to identify. Here we show that this association arises in part from many structurally diverse alleles of the complement component 4 (C4) genes. We found that these alleles generated widely varying levels of C4A and C4B expression in the brain, with each common C4 allele associating with schizophrenia in proportion to its tendency to generate greater expression of C4A. Human C4 protein localized to neuronal synapses, dendrites, axons, and cell bodies. In mice, C4 mediated synapse elimination during postnatal development. These results implicate excessive complement activity in the development of schizophrenia and may help explain the reduced numbers of synapses in the brains of individuals with schizophrenia.

引用

页码：177 / +

页数：17

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