期刊
CELLS
卷 9, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/cells9020313
关键词
mass spectrometry-based proteomics; synapse; sex; hippocampus; striatum; prefrontal cortex; cerebellum; autism spectrum disorder (ASD); DDX3X; SET
类别
资金
- Deutsche Forschungsgemeinschaft [SFB 1292-Z1, TE599/3-1, DI 2471/1-1]
- Forschungszentrum Immuntherapie (FZI) Mainz
- Forschungszentrum Translationale Neurowissenschaften (FTN) of the Johannes Gutenberg-University Mainz
- Else Kroner-Fresenius-Stiftung (EKFS) [2018_A78]
Genetic disruption of synaptic proteins results in a whole variety of human neuropsychiatric disorders including intellectual disability, schizophrenia or autism spectrum disorder (ASD). In a wide range of these so-called synaptopathies a sex bias in prevalence and clinical course has been reported. Using an unbiased proteomic approach, we analyzed the proteome at the interaction site of the pre- and postsynaptic compartment, in the prefrontal cortex, hippocampus, striatum and cerebellum of male and female adult C57BL/6J mice. We were able to reveal a specific repertoire of synaptic proteins in different brain areas as it has been implied before. Additionally, we found a region-specific set of novel synaptic proteins differentially expressed between male and female individuals including the strong ASD candidates DDX3X, KMT2C, MYH10 and SET. Being the first comprehensive analysis of brain region-specific synaptic proteomes from male and female mice, our study provides crucial information on sex-specific differences in the molecular anatomy of the synapse. Our efforts should serve as a neurobiological framework to better understand the influence of sex on synapse biology in both health and disease.
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