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Para encerrar mais um ano de publicações científicas para a prática do nutricionista, trazemos artigos para iniciar 2018 com importantes atualizações.
Na área de nutrição clínica, duas revisões esclarecedoras acerca do papel antioxidante do tucum-do-cerrado, um alimento da biodiversidade de nosso Centro-oeste, e sobre a importância da ...
Zinc is a critical regulator of placental morphogenesis and
maternal hemodynamics during pregnancy in mice
Zinc is an essential micronutrient in pregnancy and zinc defciency impairs fetal growth. We used a mouse model of moderate zinc defciency to investigate the physiological mechanisms by which zinc is important to placental morphogenesis and the maternal blood pressure changes during pregnancy. A 26% reduction in circulating zinc (P=0.0...
Environmental exposure to zinc and copper influences sperm quality in fertile males
Introduction. The presented study was designed to investigate the associations between environmental exposure to zinc and copper and levels of the parameters of oxidative stress and antioxidant defence system and selected cytokines in the
seminal plasma of fertile males.
Materials and methods. The study population consisted of 65 fertile male volunteers from ...
Zinc as a Gatekeeper of Immune Function
After the discovery of zinc deficiency in the 1960s, it soon became clear that zinc is
essential for the function of the immune system. Zinc ions are involved in regulating intracellular signaling pathways in innate and adaptive immune cells. Zinc homeostasis is largely controlled via the expression and action of zinc “importers” (ZIP 1–14), zinc “exporters” (ZnT 1–10), and zinc-binding ...
Quantifiable effects of regular exercise on zinc status in a healthy population—A systematic review
Zinc is an essential mineral of which its functions have potential implications on exercise performance and beneficial adaptations of physical activity. While the effects of aerobic exercise on zinc metabolism acutely have been well described, the effect of long-term exercise training on zinc status remains unclear. The present review aims to ...
Adherence to zinc supplementation guidelines for the treatment of diarrhea among children under–five in Uttar Pradesh, India
Background There is limited evidence on adherence to the recommended
dose and duration of zinc supplementation for diarrheal
episodes in children under five years of age. In selected districts of
Uttar Pradesh, India, we sought to assess adherence to the nationally
advised zinc treatment regimen (ie, 10 mg/day ...
The Relationship between Zinc Status and Inflammatory Marker Levels in Rural Korean Adults Aged 40 and Older
Background
Serum cytokines and C-reactive protein (CRP) are known as one of the major risk factors in atherosclerosis. The antioxidant and anti-inflammatory properties of zinc have been suggested, but few data are available on the relationship between zinc status and inflammatory markers in epidemiological studies.
Objective
The ...
Zinc, aging, and immunosenescence: an overview
Zinc plays an essential role in many biochemical pathways and participates in several cell functions, including the immune response. This review describes the role of zinc in human health, aging, and immunosenescence. Zinc deficiency is frequent in the elderly and leads to changes similar to those that occur in oxidative inflammatory aging (oxi-inflamm-aging) and immunosenescence. The possible ...
