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Updated: Jul 17, 2026
04:42
Developing a Rat Model for Bipolar Disorder
Published on: May 2, 2025
[An association study between GRIN1, BDNF genes and bipolar disorder]
Min Liu1, Si-Hai Ling, Wen-Biao Li
1Beijing Anding Hospital Affiliated to the Capital University of Medical Sciences, Beijing, China. shuerya@163.com
Yi Chuan = Hereditas
|February 8, 2007
Summary
Genetic variations in the glutamate receptor, ionotropic NMDA1 (GRIN1) gene are linked to bipolar disorder (BP). Specific GRIN1 single nucleotide polymorphisms (SNPs) and haplotypes show significant differences in BP patients compared to controls.
Area of Science:
- Neurogenetics
- Psychiatric Genetics
Context:
- Bipolar disorder (BP) is a complex psychiatric condition with a significant heritable component.
- Identifying specific genes contributing to BP susceptibility is crucial for understanding its pathophysiology.
Purpose:
- To investigate the association between single nucleotide polymorphisms (SNPs) in the GRIN1 and brain-derived neurotrophic factor (BDNF) genes and bipolar disorder.
- To analyze genotype and haplotype frequencies of selected SNPs in a cohort of bipolar disorder patients and healthy controls.
Summary:
- This study analyzed 4 SNPs (2 in GRIN1, 2 in BDNF) in 100 bipolar disorder cases and 100 controls using TaqMan genotyping.
- Significant associations were found between specific GRIN1 SNPs and bipolar disorder (P < 0.05).
- A combined haplotype T/G in GRIN1 also showed a significant difference between cases and controls (P < 0.05), while BDNF SNPs showed no statistical significance.
Impact:
- These findings suggest that genetic variations in the GRIN1 gene play a role in conferring susceptibility to bipolar disorder.
- The results highlight GRIN1 as a potential genetic risk factor for bipolar disorder, warranting further investigation.
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