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Background: To determine the frequency of the single nucleotide polymorphism M287T in exon 9 of the AS3MT gene in Iranian population and to assess the difference in allele frequencies with other ethnicities. Subjects and Methods: Genotyping analysis was performed on 150 healthy subjects using the PCR-RFLP assay. We used chi-square analysis to check the deviation from Hardy–Weinberg equilibrium and compare of the observed genotype frequencies in various ethnic. The level of statistical significance was considered as p0.05 and had a minor allele frequency (MAF)>5%. Conclusion: Iranians are genetically very similar to Caucasian and African individuals and they are considerably different from other East Asians including Koreans, Chinese and Japanese individuals. Due to genetic polymorphisms can contribute to the variability in AS3MT activity; they may contribute to interindividual as well as intra-ethnic differences in response to the detoxification of arsenic.

Background and Aim: Pityriasis versicolor is a fungal disease with causative agent Malassezia species which is an opportunistic and lipophilic yeast .With regard to liphophilic nature of the yeast, this study was carried out for evaluation of relationship between pityriasis versicolor and triglyceride and cholesterol levels. Materials and Methods: This cross - sectional study was performed on 1500 subjects ranging from 10 to 50 years old in Isfahan province. Of total subjects, 105 had pityriasis versicolor. Disease confirmation was based on direct examination, inoculation and culture on Dixon media. Measurement of total cholesterol and triglyceride of patients and control groups in fasting manner was done by Auto analyzer RA 1000. Data of patients including age, education level and job was gathered by questionnaire and analysis of results was done by t student, chi square and Pearson correlation tests. Results: Prevalence of infection was 7% in the test group. Maximum frequent rates of infection was %3.13 in age group 20- 30 years and minimum in age group 30-40 years(% 0.87). The highest rate of total cholesterol levels was seen in age group 40-50 years (mean 215 mg/dL) and the lowest was in age group 10-20 years(mean 205 mg/dL). Conclusion: Total cholesterol and triglyceride levels in patients were higher than the control group but the difference was not significant(P

Background and Aim: Pityriasis versicolor is a fungal disease with causative agent Malassezia species which is an opportunistic and lipophilic yeast .With regard to liphophilic nature of the yeast, this study was carried out for evaluation of relationship between pityriasis versicolor and triglyceride and cholesterol levels. Materials and Methods: This cross - sectional study was performed on 1500 subjects ranging from 10 to 50 years old in Isfahan province. Of total subjects, 105 had pityriasis versicolor. Disease confirmation was based on direct examination, inoculation and culture on Dixon media. Measurement of total cholesterol and triglyceride of patients and control groups in fasting manner was done by Auto analyzer RA 1000. Data of patients including age, education level and job was gathered by questionnaire and analysis of results was done by t student, chi square and Pearson correlation tests. Results: Prevalence of infection was 7% in the test group. Maximum frequent rates of infection was %3.13 in age group 20- 30 years and minimum in age group 30-40 years(% 0.87). The highest rate of total cholesterol levels was seen in age group 40-50 years (mean 215 mg/dL) and the lowest was in age group 10-20 years(mean 205 mg/dL). Conclusion: Total cholesterol and triglyceride levels in patients were higher than the control group but the difference was not significant(P