No Link Found Between GRM3 Gene and Methamphetamine-Induced Psychosis in Japanese
Author Information
Author(s): Tsunoka Tomoko, Kishi Taro, Ikeda Masashi, Kitajima Tsuyoshi, Yamanouchi Yoshio, Kinoshita Yoko, Kawashima Kunihiro, Okochi Tomo, Okumura Takenori, Inada Toshiya, Ujike Hiroshi, Yamada Mitsuhiko, Uchimura Naohisa, Sora Ichiro, Iyo Masaomi, Ozaki Norio, Iwata Nakao
Primary Institution: Fujita Health University School of Medicine
Hypothesis
Is there an association between the GRM3 gene and methamphetamine-induced psychosis in the Japanese population?
Conclusion
The study found no significant association between the GRM3 gene and methamphetamine-induced psychosis in the Japanese population.
Supporting Evidence
- The study involved 413 participants, including both patients and controls.
- No association was found between the selected SNP in the GRM3 gene and methamphetamine-induced psychosis.
- The study was approved by multiple ethics committees.
- Participants were diagnosed based on DSM-IV criteria.
Takeaway
The researchers looked at a gene to see if it was linked to a type of mental illness caused by methamphetamine, but they didn't find any connection.
Methodology
A case-control study was conducted with 181 patients and 232 controls, focusing on the SNP rs6465084 in the GRM3 gene.
Potential Biases
Potential bias due to the small sample size and selection of only one SNP.
Limitations
The study's limitations include a small sample size and the analysis of only one SNP in the GRM3 gene.
Participant Demographics
Participants included 181 methamphetamine-induced psychosis patients (155 males, 26 females) and 232 controls (187 males, 45 females), all ethnically Japanese.
Digital Object Identifier (DOI)
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