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Neurexin 3

NRXN3, neurexin 3, neurexin III alpha
Neurexins are a family of proteins that function in the vertebrate nervous system as cell adhesion molecules and receptors. They are encoded by several unlinked genes of which two, NRXN1 and NRXN3, are among the largest known human genes. Three of the genes (NRXN1-3) utilize two alternate promoters and include numerous alternatively spliced exons to generate thousands of distinct mRNA transcripts and protein isoforms. The majority of transcripts are produced from the upstream promoter and encode alpha-neurexin isoforms; a much smaller number of transcripts are produced from the downstream promoter and encode beta-neurexin isoforms. The alpha-neurexins contain epidermal growth factor-like (EGF-like) sequences and laminin G domains, and have been shown to interact with neurexophilins. The beta-neurexins lack EGF-like sequences and contain fewer laminin G domains than alpha-neurexins. [provided by RefSeq, Jul 2008] (from NCBI)
Top mentioned proteins: NRXN1, FTO, MC4R, AP-2beta, CAN
Papers on NRXN3
Developmental expression of the neuroligins and neurexins in fragile X mice.
Foster et al., Hamilton, Canada. In J Comp Neurol, Apr 2016
Genotype-based differences in expression included increased NLGN1 mRNA in CA1 and S1 cortex, decreased NLGN2 mRNA in CA1 and dentate gyrus (DG) regions of the hippocampus, and increased NRXN3 mRNA in CA1, DG, and S1 cortex between female WT and FMR1-KO mice.
The Prediction of the Expected Current Selection Coefficient of Single Nucleotide Polymorphism Associated with Holstein Milk Yield, Fat and Protein Contents.
Kim et al., Seoul, South Korea. In Asian-australas J Anim Sci, Jan 2016
They are phosphodiesterase 4B (PDE4B), serine/threonine kinase 40 (STK40), collagen, type XI, alpha 1 (COL11A1), ephrin-A1 (EFNA1), netrin 4 (NTN4), neuron specific gene family member 1 (NSG1), estrogen receptor 1 (ESR1), neurexin 3 (NRXN3), spectrin, beta, non-erythrocytic 1 (SPTBN1), ADP-ribosylation factor interacting protein 1 (ARFIP1), mutL homolog 1 (MLH1), transmembrane channel-like 7 (TMC7), carboxypeptidase X, member 2 (CPXM2) and ADAM metallopeptidase domain 12 (ADAM12).
The contribution of rare and common variants in 30 genes to risk nicotine dependence.
Li et al., Charlottesville, United States. In Mol Psychiatry, Nov 2015
Rare variants in NRXN1, CHRNA9, CHRNA2, NTRK2, GABBR2, GRIN3A, DNM1, NRXN2, NRXN3 and ARRB2 were significantly associated with smoking status in the MSTCC AA sample, with weighted sum statistic (WSS) P-values ranging from 2.42 × 10(-3) to 1.31 × 10(-4) after 10(6) phenotype rearrangements.
Gene-smoking interactions identify several novel blood pressure loci in the Framingham Heart Study.
Rao et al., Saint Louis, United States. In Am J Hypertens, Mar 2015
Through 1 df interaction analysis, 1 suggestive SBP locus at SNP rs8010717 near NRXN3 was identified using all 3 smoking measures (P = 3.27×10(-7) with CPD, P = 1.03×10(-7) with pack-years, and P = 1.19×10(-7) with smoking status).
Alternative splicing coupled nonsense-mediated decay generates neuronal cell type-specific expression of SLM proteins.
Scheiffele et al., Basel, Switzerland. In J Neurosci, 2015
Despite this ectopic upregulation of SLM1, loss of SLM2 severely disrupts the alternative splicing regulation of Nrxn1, Nrxn2, and Nrxn3, highlighting that the two SLM paralogs have partially divergent functions.
Array-comparative genomic hybridization analysis of a cohort of Saudi patients with epilepsy.
Al-Qahtani et al., Jiddah, Saudi Arabia. In Cns Neurol Disord Drug Targets, 2014
Microdeletion of 14q31.1 was observed in four patients including two from the same family with loss of the NRXN3 gene; microdeletion of 15q12 in one patient with loss of the GABRG3 gene, and microduplication of 20q13.33 in three patients with loss of the gene group CHRNA4, KCNQ2, EEF1A2 and PPDPF were also found.
RNA sequencing of transcriptomes in human brain regions: protein-coding and non-coding RNAs, isoforms and alleles.
Sadee et al., Columbus, United States. In Bmc Genomics, 2014
Profiles of RNA isoforms varied across brain regions and subjects at multiple gene loci, with neurexin 3 (NRXN3) a prominent example.
Genetic Determinants of Metabolism and Benign Prostate Enlargement: Associations with Prostate Volume.
Fowke et al., Nashville, United States. In Plos One, 2014
Other noteworthy SNPs that were nominally associated (p-value < 1x10(-4)) with log-PV included rs9583484 (intronic SNP in COL4A2), rs10146527 (intronic SNP in NRXN3), rs9909466 (SNP near RPL32P31), and rs2241606 (synonymous SNP in SLC12A7).
The clinical significance of small copy number variants in neurodevelopmental disorders.
Rauch et al., Zürich, Switzerland. In J Med Genet, 2014
16p11.2 and 2p21 or OMIM morbid genes (CASK, CREBBP, PAFAH1B1, SATB2; AUTS2, NRXN3, GRM8).
Neurodevelopmental disorders associated with dosage imbalance of ZBTB20 correlate with the morbidity spectrum of ZBTB20 candidate target genes.
Tommerup et al., Copenhagen, Denmark. In J Med Genet, 2014
Using chromatin immunoprecipitation and quantitative PCR, we validated the in vivo binding of Zbtb20 in evolutionary conserved regions in six of these genes (Cntn4, Gad1, Nrxn1, Nrxn3, Scn2a, Snap25).
Transcriptional consequences of 16p11.2 deletion and duplication in mouse cortex and multiplex autism families.
Talkowski et al., Boston, United States. In Am J Hum Genet, 2014
CNV was associated with altered expression of genes and networks that converge on multiple hypotheses of ASD pathogenesis, including synaptic function (e.g., NRXN1, NRXN3), chromatin modification (e.g., CHD8, EHMT1, MECP2), transcriptional regulation (e.g., TCF4, SATB2), and intellectual disability (e.g., FMR1, CEP290).
Copy number variant study of bipolar disorder in Canadian and UK populations implicates synaptic genes.
Vincent et al., Toronto, Canada. In Am J Med Genet B Neuropsychiatr Genet, 2014
Using multiple CNV calling algorithms, and validating using in vitro molecular analyses, we identified CNVs implicating several candidate genes that encode synaptic proteins, such as DLG1, DLG2, DPP6, NRXN1, NRXN2, NRXN3, SHANK2, and EPHA5, as well as the neuronal splicing regulator RBFOX1 (A2BP1), and neuronal cell adhesion molecule CHL1.
Association study of common polymorphisms in MSRA, TFAP2B, MC4R, NRXN3, PPARGC1A, TMEM18, SEC16B, HOXB5 and OLFM4 genes with obesity-related traits among Portuguese children.
Manco et al., Coimbra, Portugal. In J Hum Genet, 2014
This study aims to test whether 10 polymorphisms in obesity-related genes methionine sulfoxide reductase A (MSRA), transcription factor AP-2 beta (TFAP2B), melanocortin 4 receptor (MC4R), neurexin 3 (NRXN3), peroxisome proliferator-activated receptor gamma coactivator 1 alpha (PPARGC1A), transmembrane protein 18 (TMEM18), homolog of S. cerevisiae Sec16 (SEC16B), homeobox B5 (HOXB5) and olfactomedin 4 (OLFM4) are associated with the risk of obesity in Portuguese children.
Interstitial 14q24.3 to q31.3 deletion in a 6-year-old boy with a non-specific dysmorphic phenotype.
Schinzel et al., Porto Alegre, Brazil. In Mol Cytogenet, 2013
Twenty-two genes with known functions, including Neurexin III (NRXN3, OMIM 600567), map to the region deleted in the propositus.
What model organisms and interactomics can reveal about the genetics of human obesity.
Schiöth et al., Uppsala, Sweden. In Cell Mol Life Sci, 2012
Here, we searched biological databases and discovered 33 additional genes associated with human obesity (CADM2, GIPR, GPCR5B, LRP1B, NEGR1, NRXN3, SH2B1, FANCL, GNPDA2, HMGCR, MAP2K5, NUDT3, PRKD1, QPCTL, TNNI3K, MTCH2, DNAJC27, SLC39A8, MTIF3, RPL27A, SEC16B, ETV5, HMGA1, TFAP2B, TUB, ZNF608, FAIM2, KCTD15, LINGO2, POC5, PTBP2, TMEM18, TMEM160).
Influence of genomic variation in FTO at 16q12.2, MC4R at 18q22 and NRXN3 at 14q31 genes on breast cancer risk.
Kordek et al., Łódź, Poland. In Mol Biol Rep, 2012
NRXN3 single nucleotide polymorphism rs10146997 was significantly (P = 0.0445) associated with higher risk of breast cancer development (OR = 0.66 (95% CI 0.44-0.99)).
Rare deletions at the neurexin 3 locus in autism spectrum disorder.
Scherer et al., Toronto, Canada. In Am J Hum Genet, 2012
Index cases of autism spectrum were clinically characterized who have rare microdeletions at 14q24.3-31.1, a region that overlaps exons of the alpha and/or beta isoforms of NRXN3.
Associations among types of impulsivity, substance use problems and neurexin-3 polymorphisms.
Davies et al., Lincoln, United States. In Drug Alcohol Depend, 2012
Six NRXN3 polymorphisms were genotyped: rs983795, rs11624704, rs917906, rs1004212, rs10146997 and rs8019381 associated with impulsivity and substance abuse.
Profile of adipose tissue gene expression in premenopausal and postmenopausal women: site-specific differences.
Garaulet et al., Murcia, Spain. In Menopause, 2011
Our results reveal that menopause influences the adipose tissue expression of many genes, especially of neurexin 3, metallothionein 1E, and keratyn 7, which are associated with the alteration of several key biological processes.
Implications of central obesity-related variants in LYPLAL1, NRXN3, MSRA, and TFAP2B on quantitative metabolic traits in adult Danes.
Pedersen et al., Copenhagen, Denmark. In Plos One, 2010
central obesity-associated variants in LYPLAL1, NRXN3, MSRA, and TFAP2B
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