Association of MGLL Intronic C>T Single Nucleotide Polymorphism (rs782440) with Borderline Personality Disorder: A Case-Control Study

Document Type : Original Article

Authors

1 Department of Neuroscience, School of Advanced Medical Sciences and Technologies, Hamadan University of Medical Sciences, Hamadan, Iran

2 Department of Psychiatry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran

3 Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran

4 Noncommunicable Diseases Research Center, Hamadan University of Medical Sciences, Hamadan, Iran

5 Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Hamadan University of Medical Sciences, Hamadan, Iran

6 Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran

Abstract

Objective: From the perspective of etiology, borderline personality disorder (BPD) is a multifactorial and complex
disorder, hence our understanding about the molecular basis and signaling of this disorder is extremely limited.
The purpose of this study was evaluating the relationship between BPD and the Monoacylglycerol lipase (MGLL)
polymorphism rs782440 in the population of Hamadan, Iran.
Materials and Methods: In this case-control study, 106 participants including 53 patients with BPD and 53
healthy control subjects were selected by psychiatrists in the Department of Psychiatry at Farshchian Sina
Hospital in Hamadan. The BPD patients were selected based on the Diagnostic and Statistical Manual of Mental
Disorders (DSM-5) form for diagnosing BPD patients. For genotyping, polymerase chain reaction (PCR) was
used to amplify the desired region including the MGLL intronic C>T single nucleotide polymorphism (SNP)
(rs782440) and afterward the amplicon was sequenced using the Sanger sequencing method. To determine the
genotype of these patients, their sequences were aligned with the reference sequence of MGLL through the CLC
genomic workbench software.
Results: The results indicated that the frequency of TT in comparison to the CC genotype was significantly different
(P=0.003) and the risk of BPD in change from the TT genotype to CC genotype was increased by 6.679%. Regarding
the frequency of allele in this group, no significant difference was observed.
Conclusion: This paper, has studied and reports for the first time, the association between MGLL SNP (rs782440) with
BPD. The findings of the current research revealed that the TT genotype increases the risk of BPD compared to the CC
genotype. Considering the lack of a suitable diagnostic biomarker for BPD, using this potential biomarker in the near
future can be promising.

Keywords

Main Subjects


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