The study aimed to evaluate the serum level of zinc and copper in women with polycystic ovarian syndrome (PCOS). A case-control study was conducted at Saad Abualila infertility center (Khartoum, Sudan). The cases were women who had a PCOS based on Rotterdam criteria. The controls were infertile women with no evidence of PCOS. The socio-demographic characteristics and medical history data were gathered using questionnaires. Zinc and copper levels were measured using atomic absorption spectrophotometer. While there was no difference in zinc and copper levels between the two groups (50 women in each arm), mean (SD) of body mass index (BMI) was significantly higher in women with PCOS compared to the controls [28.4 (4.2) vs. 25.6 (5.7) kg/m; P = 0.006], respectively. There were no significant differences in the level of luteinizing hormone (LH), follicle stimulating hormone (FSH), LH/FSH, prolactin, testosterone, cholesterol, triglycerides and low-density lipoprotein (LDL) between the cases and the controls. In linear regression analyses, none of the investigated factors were associated with PCOS. Zinc and copper were not associated with PCOS in this setting.
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http://dx.doi.org/10.1007/s12011-017-1000-8 | DOI Listing |
Curr Obes Rep
January 2025
Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism, University of Leuven, Herestraat 49 - Box 7003, 3000, Leuven, Belgium.
Introduction: Long-term data indicate that patients who underwent metabolic bariatric surgery have a higher risk of developing nutritional complications. Therefore, it is of utmost importance to monitor their nutritional status.
Methods: A scoping literature search was conducted in MEDLINE, EMBASE, CINAHL, and TRIP database to identify clinical practice guidelines for nutritional screening before and after metabolic bariatric surgery from learned societies.
Chem Asian J
January 2025
University of Zagreb Faculty of Science: Sveuciliste u Zagrebu Prirodoslovno-matematicki fakultet, Department of Chemistry, Horvatovac 102a, 385, Zagreb, CROATIA.
In order to explore a strategy for synthesizing halogen-bonded metal-organic cocrystals by utilizing metal complexes whose pendant chloride group and the morpholinyl oxygen atom enables halogen bonding, we have synthesized four pentacoordinated Cu(II) and Zn(II) complexes of the MCl2L general formula (L=imines prepared by the condensation reaction of 4-aminoethylmorpholine with 2-pyridinecarboxyaldehide or 2-acetylpyridine). The prepared metal complexes were further cocrystallized with selected iodoperfluorinated benzenes. Out of 20 combinations, 14 experiments yielded crystals suitable for single-crystal X-ray diffraction.
View Article and Find Full Text PDFEnviron Toxicol Chem
January 2025
Institute of Grassland Science, Key Laboratory of Vegetation Ecology of the Ministry of Education, Jilin Songnen Grassland Ecosystem National Observation and Research Station, Northeast Normal University, Changchun,China.
Whether soil heavy metal pollution contributes to the decline in pollinator populations remains inconclusive. Based on the detection of heavy metals in the nectar, pollen, and bodies of pollinating insects in areas affected by heavy metal pollution, this study aimed to investigate the impact of adding four heavy metals-zinc (Zn), lead (Pb), copper (Cu), and nickel (Ni)-at realistic concentrations to the diet on the pre-oviposition period, larval development period, production of adult bees, and weight of worker bees. The study sought to evaluate the influence of heavy metal accumulation mediated by floral rewards on key stages of growth and development of bumblebee (Bombus terrestris L.
View Article and Find Full Text PDFEnviron Toxicol Chem
January 2025
School of Science, Royal Melbourne Institute of Technology, Melbourne, Victoria, Australia.
Heavy metals are cumulative toxicants that frequently create negative health effects for waterbirds inhibiting contaminated freshwater systems. Although levels of exposure to heavy metals have been well documented for many waterbird species, the adverse effects of exposure remain relatively poorly understood. One emerging field that allows the exploration of such effects is metabolomics.
View Article and Find Full Text PDFVopr Pitan
January 2025
Federal Research Centre of Nutrition, Biotechnology and Food Safety, 109240, Moscow, Russian Federation.
Despite the use of yeast β-glucans in food and dietary supplements, there is insufficient data on their effect on the metabolism of vitamins and mineral elements. of the study was to evaluate the effect of β-glucans from Saccharomyces cerevisiae in the diet of growing rats on the absorption of micronutrients in animals deficient in vitamins D, group B and trace elements (iron, copper, zinc). .
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