This study was established a model of obesity to estimate the impact of fennel and cumin as anti-obesity extracts on body weight, body mass index (BMI), food consumption, leptin concentration, sperm quality and testis architecture to determine the reversibility of reproductive function of obese animals. Male rats were randomly assigned to either a normal or high-fat diet for 8 weeks. Then, we divided 56 adult rats into seven groups: control (CO); obesity (OB); fennel 100 and 200 mg/kg; cumin 50 and 100 mg/kg; and fennel 100 mg/kg plus cumin 50 mg/kg. From weeks 9-16, the animals treated extracts by gavages daily. We analysed leptin concentration, sperm quality and apoptosis of testis along with evaluating changes in body weight. Body weight of animals increased 25% at week 8. However, body weight, BMI, leptin concentration and apoptosis indices of OB rats increased at the end of study. However, the relative sperm parameters decreased. Nevertheless, fennel and cumin treatment improved sperm quality, and spermatogenic cells apoptosis following weight loss. Concomitant with weight loss, leptin concentration and food consumption decreased. In conclusion, fennel and cumin as supplements may ameliorate sperm quality of obese animals following weight loss and reduction in leptin concentration.
SummaryBackground. Osteoporosis, a multifactorial disease with reduced bone mineral density which increases the probability of bone fractures, is caused by calcium deficiency, and its incidence increases with age. It has been determined that mutations in functional regions of vitamin D receptor gene will affect the metabolism of minerals especially calcium and, therefore, bone density. The present study evaluates the relation between vitamin D receptor polymorphisms, TaqI (rs731236) and ApaI (rs7975232), and osteoporosis in menopausal Azari women in Zanjan province. Materials and methods. This case-control study has been conducted on 50 menopausal women suffering from osteoporosis and 50 menopausal women who did not suffer from osteoporosis in Zanjan province. The diagnosis of osteoporosis was confirmed using DEXA instrument. Peripheral blood was collected from the subjects and controls to extract DNA and assess the ApaI and TaqI polymorphisms using PCR-RFLP method. The results were interpreted using independent T-test, chi-square, and Pearson correlation coefficient with a p-value less than 0.05. Results. There was not a significant difference between the frequency of ApaI (AA/Aa/aa) and TaqI (TT/Tt/tt) genotypes in cases (mean age 68.72) and controls (mean age 64.7) (p=0.37 and p=0.64, respectively). In addition, ApaI/TaqI allele haplotype in osteoporotic population showed non-significant relation (p value=0.563) compared with the control group. Discussion and conclusion. The relationship between the genotypes and osteoporosis, cancers, and mineral metabolism disorders has been studied for a long time. Although there has been a significant relation between the aforementioned genotypes and osteoporosis or reduced mineral density-related bone fractures in some studied, some other studies have opposing results. Therefore, it is only possible to reach an acceptable conclusion by studying the haplotype of the polymorphisms in subjects.
Objectives. Adverse effects of obesity, which is caused by an imbalance between the energy intake and expenditure, on the male reproductive system have been reported. Considering the anti-obesity effect of Glycyrrhiza Glabra (GC), we conducted this study to elucidate whether it can ameliorate the sperm parameters.Methods. In this experimental study, male Wistar rats of 6–8 weeks old were divided into four groups: control, high fat diet (HFD), GC50 (HFD plus 50 mg/kg GC extract), and GC100 (HFD plus 100 mg/kg GC extract). During the 16 weeks of the study course, the rats consumed the extract through gavage, daily. Body mass index (BMI), body weight gain, serum lipid profile, leptin concentration, and sperm parameters were investigated. Data were analyzed by one-way analysis of variance (ANOVA) (post hoc Tukey) to express the significance of mean differences of variables between groups, and linear regression test was used to express the correlation model of variables. Both tests were performed by SPSS software; p≤0.05 was considered significant.Results. BMI was significantly decreased by the GC50 and GC100 groups compared to HFD group. GC50 group considerably decreased leptin level compared to HFD group. A significant positive correlation between leptin and triglyceride levels was evident. GC50 and GC100 extensively increased the total sperm motility and ameliorated the sperm abnormal morphology and count compared to HFD group.Conclusion.Glycyrrhiza Glabra extract may exert its ameliorating effects on the sperm parameters through its anti-obesity impact. Both doses of the extract were effective, however, the GC100 was more effective in improving the sperm parameters.
Periodontitis is a chronic inflammatory disease that influences the protective tissues of teeth. IL-8, a member of the chemokine super-family, plays vital roles in the pathogenesis of periodontitis with activation and migration of neutrophils in inflammatory regions. The purpose of present study was to evaluate the association of interleukin-8 - 845 T/C and + 781 C/T polymorphisms with periodontitis in an Iranian population. A total of 65 patients with periodontitis including 18 patients with chronic periodontitis and 47 patients with aggressive periodontitis and 55 controls were enrolled into our study. Interleukin-8 - 845 T/C and + 781 C/T polymorphisms were analyzed by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) assay. For + 781C/T locus, in the dominant genetic model there was a significant difference between TT vs. CC + CT genotypes that significantly had a protective role against periodontitis disease with a value of 0.38 (95% CI 0.16-0.90, p = 0.02). Also, the analysis of results showed a significant positive association between the distribution of IL-8 - 845 T/C alleles and the risk of periodontitis disease (χ = 6.2, p = 0.01) that presence of C allele of IL-8 - 845 increased the risk of periodontitis disease by 9.08-fold [OR 9.08 (95% CI 1.14-72.12, p = 0.03)]. In conclusion, our results demonstrate a positive association between distribution of IL-8 - 845 T/C alleles and risk of periodontitis disease.
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