Abstract:
OBJECTIVE:Autism spectrum disorders (ASD) often show obsessive repetitive symptoms that are characteristic to obsessive-compulsive disorder (OCD). Aberrant glutamate function has been suggested to a risk for both ASDs and OCD. Considering the common metabolic pathway and recent results from association studies both in OCD and ASDs, a question, whether there is common molecular background in ASDs and OCD, was raised. METHODS:Ten single nucleotide polymorphisms (SNPs) at 9p24 and 11p12-p13 containing glutamate transporter genes SLC1A1 and SLC1A2 and their neighboring regions in 175 patients with ASDs and 216 controls of Finnish origin were analyzed using real-time-PCR or direct sequencing. RESULTS:The strongest association was detected with rs1340513 in the JMJD2C gene at 9p24.1 (P=0.007; corrected P=0.011) that is the same SNP associated with infantile autism (P=0.0007) in the autism genome project consortium (2007). No association was detected at 11p12-p13 with ASD. Interestingly, the strongest association in OCD has been found at rs301443 (P=0.000067) residing between SLC1A1 and JMJD2C at 9p24. CONCLUSION:In summary, our results give evidence for a possible common locus for OCD and ASDs at 9p24. We speculate that the area may represent a special candidate region for obsessive repetitive symptoms in ASDs.
journal_name
Psychiatr Genetjournal_title
Psychiatric geneticsauthors
Kantojärvi K,Onkamo P,Vanhala R,Alen R,Hedman M,Sajantila A,Nieminen-von Wendt T,Järvelä Idoi
10.1097/YPG.0b013e32833a2080subject
Has Abstractpub_date
2010-06-01 00:00:00pages
102-8issue
3eissn
0955-8829issn
1473-5873journal_volume
20pub_type
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pub_type: 杂志文章,meta分析
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