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Diversity in floral morphological characters of the genus Alchemilla L. (Rosaceae) from Iran and its taxonomic significance
Marzieh Beygom Faghir, Atefe Ahmadi Gorji, Mehdi Heydari,
Volume 4, Issue 2 (9-2017)
Abstract
Floral morphology of 24 species of the genus Alchemilla in Iran was studied by means of light and digital mi-croscopes. Flower samples were collected from different species and their morphological traits, including hypanthium, calyx, epicalyx, pedicels, ovaries and stamens, were measured. The most useful features for the separation of species were turned out to be the calyx shape and length, trichomes position on calyx and pedicle. Principal Component Anal-ysis (PCA) and Cluster Analysis (CA) were used to determine the potential contribution of floral morphological char-acters in the expression of species relationships. A total of 17 qualitative and quantitative characters were utilized in both analyses. The results of UPGMA and PCA methods were found to be consistent and in agreement with current classifications.
Effect of Urtica dioica hydroalcoholic extract on liver inflammatory factors in polycystic ovarian syndrome induced in Wistar rats by estradiol valerate
Akram Tayanloo, Samad Zare1, Latifeh Karimzadeh-Bardei, Serwa Hoseini,
Volume 4, Issue 2 (9-2017)
Abstract
The polycystic ovary syndrome (PCOS) is one of the most common endocrine disorders in women at childbearing age. Metabolic syndrome is present from 28% to 46% of patients with PCOS. Non-alcoholic fatty liver di-sease (NAFLD) is considered the hepatic expression of metabolic syndrome. In this study Urtica dioica moderator ef-fect on liver function in PCOS rats was examined. 120 adult female Wistar rats were divided into control, PCOS and nettle-treated groups. The PCOS group was injected subcutaneously 2 mg/kg estradiol valerate. After confirmed poly-cystic in ovaries, the experimental group was injected of the nettle extract doses (150,250, 450 mg/kg BW). Then rats were killed and blood samples were evaluated. Data were analyzed using ANOVA one-way and p<0.05 was considered statistically significant. ELISA test showed a decrease in IL-6 level and CRP levels reduced in PCOS rats were treated with various concentrations of nettle. Our results show that nettle due to its antioxidant properties reduce the levels of IL-6 and CRP in nettle extract treated-PCOS compared to the PCOS.
The effect of Cannabis sativa extract on damages induced by electromagnetic fields on ovarian follicle maturation and hormonal surface changes in mice
Azita Mehrbakhsh, Javad Baharara, Saeedeh Zafar Balanejad, Mohammad Amin Kerachian,
Volume 7, Issue 3 (11-2020)
Abstract 
Electromagnetic waves (EMF) are a mixture of electrical and magnetic waves. The energy transmitted by these radiations is absorbed by living tissues. Electromagnetic fields seem to cause infertility in women. Cannabis is annual herbaceous plant grows in tropical areas. This study was conducted to investigate the protective effects of hydroalcoholic extract of Cannabis sativa in various doses of 50, 100 and 150 mg / kg on the damages induced by electromagnetic fields of 50 Hz and 50 Gauss, on the puberty of ovarian follicles and levels of FSH, LH, estradiol and progesterone hormones in NMRI immature mice. In this study, 48 NMRI immature female mice with an approximate age of 16 days and approximate weight of 18 grams were divided into 8 (experimental, sham, positive control and negative control) groups. After the treatment, the ovaries were extracted and weighed, and sections with H& E staining, the number of primordial, primary, secondary, and atretic follicles were counted, and the level of hormones have been done. The results showed that the concentration of 50 mg / kg of cannabis extract after the exposure to electromagnetic field of 50 Gauss could increase the number of follicles and reduce the number of atresia follicles. The group treated with the concentration of 50 mg / kg of cannabis extract after the exposure to electromagnetic field of 50 Gauss showed increased levels of FSH, LH and estradiol hormones (p <0.01) and a reduced level of progesterone (p <0.01). Therefore, the concentration of 50 mg / kg of cannabis extract have a protective role in preventing infertility due to ovarian tissue damages induced by electromagnetic fields.

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