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Association of glutathione S-transferase M1 and T1 polymorphisms and temperament.

ABSTRACT: Mizaj (Temperament) is one of the basic concepts of Iranian Traditional Medicine (ITM), which has great importance in diagnosis and treatment of diseases, as well as maintaining the ideal healthy state of an individual. However, very little is known about the biological mechanisms of mizaj dependence treatment in practical ITM. This study was aimed to evaluate any association between the mizaj and glutathione S-transferase M1 (GSTM1) and T1 (GSTT1) polymorphisms in healthy people. The samples included 247 healthy males from Fars province, southern Iran. The mizaj was determined using a self-reported mizaj identification scale. Subjects with equilibrium or any of four simple mizajes (warm, cold, moist, and dry) were included in the study. The GSTM1 and GSTT1 genotypes were determined using a polymerase chain reaction (PCR)-based method. No any differences in the frequency of GSTM1/T1 polymorphism between equilibrium and each of other mizaj groups were found. However, when equilibrium, moist, and dry groups were pooled and as a "medium warmness" group were compared to the warm group, the frequency of GSTT1-null in the warm group was significantly higher compare to that in the medium warmness group. Also, the combination genotypes of GSTM1 and GSTT1 was associated with the warmness; that is, individuals with combination of GSTM1 positive and GSTT1 null were more susceptible to have a warm temperament. This study indicated that the mizaj could be affected by GSTM1/T1 genes, although further research with larger samples is needed to reach full conclusions.

SUBMITTER: Zendehboodi Z

PROVIDER: S-EPMC5640891 | biostudies-literature | 2017 Sep

REPOSITORIES: biostudies-literature

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Association of glutathione S-transferase M1 and T1 polymorphisms and temperament.

Zendehboodi Zahra Z

Molecular biology research communications 20170901 3

Mizaj (Temperament) is one of the basic concepts of Iranian Traditional Medicine (ITM), which has great importance in diagnosis and treatment of diseases, as well as maintaining the ideal healthy state of an individual. However, very little is known about the biological mechanisms of mizaj dependence treatment in practical ITM. This study was aimed to evaluate any association between the mizaj and glutathione S-transferase M1 (<i>GSTM1</i>) and T1 (<i>GSTT1</i>) polymorphisms in healthy people. ...[more]

PMID: 29071278

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Project description:BackgroundGlutathione S-transferases (GSTs) play important roles in protecting cells against oxidative stress and toxic chemicals. This study aimed to investigate the distribution of GSTM1, GSTT1, and GSTP1 variants and their roles in periodontitis susceptibility in a Caucasian population.MethodsWe analyzed 406 participants, including 204 healthy controls and 203 periodontitis patients. A multiplex polymerase chain reaction (PCR) approach was used to analyze GSTM1 and GSTT1 loci. GSTP1 variants were detected by PCR-haplotyping method in a subgroup of participants (N = 350). Chi-square or Fisher´s exact tests were used to compare genotypic and allelic differences. The Bonferroni method was applied to correct for multiple comparisons (pcorr).ResultsThe GSTM1 genotype distribution did not differ significantly between controls and periodontitis patients (p = 0.44). Additionally, the wild/null genotypes of GSTT1, Ile105Val and Ala114Val frequencies of GSTP1 were not significantly different between the two groups after correction for multiple comparisons (p = 0.05, p = 0.55, p = 0.02, pcorr>0.05, respectively). The GSTM1 and GSTP1 Ile105Val gene variants were similarly distributed between non-smokers and smokers in both groups (p = 0.38, p = 0.20, and p = 0.14, p = 0.35, respectively). However, the wild genotype of the GSTT1 and Ala114Ala variant of the GSTP1 genes were present more frequently in non-smoking periodontitis patients than in non-smoking controls (p = 0.03, pcorr>0.05, and p = 0.009, pcorr>0.05, respectively) although their frequencies did not differ between smoking periodontitis patients and smoking controls (p = 0.23, p = 0.68, respectively).ConclusionsThis study in a Czech Caucasian population did not confirm a highly significant association between GST gene variants and susceptibility to periodontitis, as previously reported by Arshad and colleagues in Pakistanis. However, a weak relationship between GSTT1 and GSTP1 rs1138272 polymorphisms and periodontitis in non-smokers was observed.

Dataset Information

Association of glutathione S-transferase M1 and T1 polymorphisms and temperament.

Publications

Association of glutathione S-transferase M1 and T1 polymorphisms and temperament.

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