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Nutrition: Zinc

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Total 98 results found since Jan 2013.

Orally Administered Crocin Protects Against Cerebral Ischemia/Reperfusion Injury Through the Metabolic Transformation of Crocetin by Gut Microbiota
Conclusion Collectively, pharmacokinetic and pharmacodynamic association studies provide evidence that the gut microbiota plays a vital role in the fate of crocin and crocetin in the gastrointestinal tract. In addition, the cross-interaction between gut microbiota and crocin might mediate the activation of the cerebral-protective effect of orally administered crocin. Ethics Statement This study was carried out in accordance with the recommendations of ‘Institutional Animal Research Committee guidelines, Animal Ethics Committee of China Pharmaceutical University.’ The protocol was approved by the ‘An...
Source: Frontiers in Pharmacology - April 29, 2019 Category: Drugs & Pharmacology Source Type: research

Neuronal Cell Sheets of Cortical Motor Neuron Phenotype Derived from Human iPSCs.
Abstract Transplantation of stem cells that differentiate into more mature neural cells brings about functional improvement in preclinical studies of stroke. Previous transplant approaches in the diseased brain utilized injection of the cells in a cell suspension. In addition, neural stem cells were preferentially used for grafting. However, these cells had no specific relationship to the damaged tissue of stroke and brain injury patients. The injection of cells in a suspension destroyed the cell-cell interactions that are suggested to be important for promoting functional integrity of cortical motor neurons. In o...
Source: Cell Transplantation - August 1, 2017 Category: Cytology Authors: Suzuki N, Arimitsu N, Shimizu J, Takai K, Hirotsu C, Ueda Y, Wakisaka S, Fujiwara N, Suzuki T Tags: Cell Transplant Source Type: research

Circ_0006768 upregulation attenuates oxygen –glucose deprivation/reoxygenation-induced human brain microvascular endothelial cell injuries by upregulating VEZF1 via miR-222-3p inhibition
This study aimed to explore the function and functional mechanism of circ_0006768 in oxygen –glucose deprivation/reoxygenation (OGD/R)-induced brain injury models of ischemic stroke. Human brain microvascular endothelial cells (HBMECs) were induced by OGD/R to mimic ischemic stroke models in vitro. The expression of circ_0006768, microRNA-222-3p (miR-222-3p) and vascular endothelial zinc finger 1 (VEZF1) was detected by quantitative real-time PCR (qPCR). Cell viability, angiogenesis ability and cell migration were assessed by cell counting kit-8 (CCK-8) assay, tube formation assay and wound healing assay, respectively. T...
Source: Metabolic Brain Disease - June 19, 2021 Category: Neurology Source Type: research

Single nucleotide variations in ZBTB46 are associated with post-thrombolytic parenchymal haematoma
In conclusion, we identified single nucleotide variants in theZBTB46 gene associated with a higher risk of parenchymal haematoma following recombinant tissue-plasminogen activator treatment.
Source: Brain - March 16, 2021 Category: Neurology Source Type: research

Circ_0006768 upregulation attenuates oxygen –glucose deprivation/reoxygenation-induced human brain microvascular endothelial cell injuries by upregulating VEZF1 via miR-222-3p inhibition
This study aimed to explore the function and functional mechanism of circ_0006768 in oxygen –glucose deprivation/reoxygenation (OGD/R)-induced brain injury models of ischemic stroke. Human brain microvascular endothelial cells (HBMECs) were induced by OGD/R to mimic ischemic stroke models in vitro. The expression of circ_0006768, microRNA-222-3p (miR-222-3p) and vascular endothelial zinc finger 1 (VEZF1) was detected by quantitative real-time PCR (qPCR). Cell viability, angiogenesis ability and cell migration were assessed by cell counting kit-8 (CCK-8) assay, tube formation assay and wound healing assay, respectively. T...
Source: Metabolic Brain Disease - November 15, 2021 Category: Neurology Source Type: research

Mortality and Morbidity Effects of Long-Term Exposure to Low-Level PM 2.5 , BC, NO 2 , and O 3 : An Analysis of European Cohorts in the ELAPSE Project
CONCLUSIONS: Long-term exposure to PM2.5, NO2, and BC was positively associated with natural-cause and cause-specific mortality in the pooled cohort and the administrative cohorts. Associations were found well below current limit values and guidelines for PM2.5 and NO2. Associations tended to be supralinear, with steeper slopes at low exposures with no indication of a threshold. Two-pollutant models documented the importance of characterizing the ambient mixture with both NO2 and PM2.5. We mostly found negative associations with O3. In two-pollutant models with NO2, the negative associations with O3 were attenuated to esse...
Source: Cancer Control - September 15, 2022 Category: Cancer & Oncology Authors: Brunekreef Bert Strak Maciej Chen Jie J Andersen Zorana Atkinson Richard Bauwelinck Mariska Bellander Tom Boutron Marie-Christine Brandt J ørgen Carey Iain Cesaroni Giulia Forastiere Francesco Fecht Daniela Gulliver John Hertel Ole Hoffmann Barbara de Ho Source Type: research

Indomethacin preconditioning induces ischemic tolerance by modifying zinc availability in the brain.
This study found that chronic pretreatment of rats with indomethacin, a non-selective cyclooxygenase inhibitor, provided tolerance to ischemic injuries in an animal model of stroke by eliciting moderate zinc elevation in neurons. Consecutive intraperitoneal injection of indomethacin (3mg/kg/day for 28days) led to modest increases in intraneuronal zinc as well as synaptic zinc content, with no significant stimulation of neuronal death. Furthermore, indomethacin induced the expression levels of intracellular zinc homeostatic and neuroprotective proteins, rendering the brain resistant against ischemic damages and improving ne...
Source: Neurobiology of Disease - January 3, 2015 Category: Neurology Authors: Lee J, Oh SB, Hwang J, Suh N, Jo D, Kim JS, Koh J Tags: Neurobiol Dis Source Type: research

Autophagy Mediates Astrocyte Death During Zinc-Potentiated Ischemia-Reperfusion Injury.
Abstract Pathological release of excess zinc ions and the resultant increase in intracellular zinc has been implicated in ischemic brain cell death, although the underlying mechanisms are not fully understood. Since zinc promotes the formation of the autophagic signal, reactive oxygen species (ROS), and increases autophagy, a known mechanism of cell death, we hypothesized that autophagy is involved in zinc-induced hypoxic cell death. To study this hypothesis, we determined the effect of zinc on autophagy and ROS generation in C8-D1A astrocytes subjected to hypoxia and rexoygenation (H/R), simulating ischemic strok...
Source: Biological Trace Element Research - March 12, 2015 Category: Biology Authors: Pan R, Timmins GS, Liu W, Liu KJ Tags: Biol Trace Elem Res Source Type: research

This diet advice could kill you
The American Heart Association says sodium in salt raises blood pressure. They say it increases the risk for heart disease and stroke. But the latest science says otherwise… A British review of 34 clinical trials showed that cutting down on salt reduced blood pressure only slightly for people with hypertension.1 And a new study in The Lancet found that some low-salt diets could put you at GREATER risk of heart disease and death.2 Researchers analyzed data from 133,118 people. They wanted to see if there was a link between high sodium and heart attack, stroke and death The results were startling. People on “he...
Source: Al Sears, MD Natural Remedies - October 5, 2017 Category: Complementary Medicine Authors: Randall Hall Tags: Health Heart Health Men's Health Nutrition Women's Health Source Type: news

Plasma Metal Concentrations and Incident Coronary Heart Disease in Chinese Adults: The Dongfeng-Tongji Cohort
Conclusions: Our study suggested that incident CHD was positively associated with plasma levels of titanium and arsenic, and inversely associated with selenium. Additional research is needed to confirm these findings in other populations. https://doi.org/10.1289/EHP1521 Received: 22 December 2016 Revised: 17 September 2017 Accepted: 19 September 2017 Published: 19 October 2017 Address correspondence to T. Wu, or A. Pan, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hongkong Rd., Wuhan 430030, Hubei, China. Telephone: +86-27-83692347. Email: wut@mails.tjmu.edu.cn or p...
Source: EHP Research - October 20, 2017 Category: Environmental Health Authors: Daniil Lyalko Tags: Research Source Type: research

Aromatase and neuroinflammation in rat focal brain ischemia
Publication date: November 2017 Source:The Journal of Steroid Biochemistry and Molecular Biology, Volume 174 Author(s): Yu H. Zhong, Jasbeer Dhawan, Joel A. Kovoor, John Sullivan, Wei X. Zhang, Dennis Choi, Anat Biegon Accumulating evidence suggests that expression of aromatase, the enzyme responsible for the conversion of androgens to estrogens, is transiently upregulated in rat stroke models. It was further suggested that increased aromatase expression is linked to neuroinflammation and that it is neuroprotective in females. Our goal was to investigate aromatase upregulation in male rats subjected to experimental stroke...
Source: The Journal of Steroid Biochemistry and Molecular Biology - November 6, 2017 Category: Biochemistry Source Type: research

Genetic Deletion of Kr üppel-Like Factor 11 Aggravates Ischemic Brain Injury
AbstractKr üppel-like factors (KLFs) belong to the zinc finger family of transcription factors, and their function in the CNS is largely unexplored. KLF11 is a member of the KLF family, and we have previously demonstrated that peroxisome proliferator-activated receptor gamma-mediated cerebral protection durin g ischemic insults needs recruitment of KLF11 as its critical coactivator. Here, we sought to determine the role of KLF11 itself in cerebrovascular function and the pathogenesis of ischemic stroke. Transient middle cerebral artery occlusion (MCAO) was performed in KLF11 knockout and wild-type contro l mice, and brain...
Source: Molecular Neurobiology - March 8, 2018 Category: Neurology Source Type: research

Iron Metabolism and Brain Development in Premature Infants
Yafeng Wang1,2,3, Yanan Wu2, Tao Li1,2,3, Xiaoyang Wang2,4 and Changlian Zhu2,3* 1Department of Neonatology (NICU), Children’s Hospital Affiliated Zhengzhou University, Zhengzhou, China 2Henan Key Laboratory of Child Brain Injury, Institute of Neuroscience and Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China 3Department of Clinical Neuroscience, Center for Brain Repair and Rehabilitation, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden 4Department of Physiology, Sahlgrenska Academy, Institute of Neuroscience and Physiology, University of Got...
Source: Frontiers in Physiology - April 24, 2019 Category: Physiology Source Type: research

Identification of key transcription factors associated with cerebral ischemia ‑reperfusion injury based on gene‑set enrichment analysis.
Identification of key transcription factors associated with cerebral ischemia‑reperfusion injury based on gene‑set enrichment analysis. Int J Mol Med. 2019 Jun;43(6):2429-2439 Authors: Zhang YY, Wang K, Liu YE, Wang W, Liu AF, Zhou J, Li C, Zhang YQ, Zhang AP, Lv J, Jiang WJ Abstract Cerebral ischemia‑reperfusion injury (CIRI) usually causes detrimental complications following reperfusion therapy in stroke patients. The present study systematically investigated the regulatory mechanism involved in the pathogenesis of CIRI using gene set enrichment analysis of the transient middle cerebral artery...
Source: International Journal of Molecular Medicine - April 26, 2019 Category: Molecular Biology Authors: Zhang YY, Wang K, Liu YE, Wang W, Liu AF, Zhou J, Li C, Zhang YQ, Zhang AP, Lv J, Jiang WJ Tags: Int J Mol Med Source Type: research

Transcription of CLDND1 in human brain endothelial cells is regulated by the myeloid zinc finger protein 1.
Abstract Increased permeability of endothelial cells lining the blood vessels in the brain leads to vascular oedema and, potentially, to stroke. The tight junctions (TJs), primarily responsible for the regulation of vascular permeability, are multi-protein complexes comprising the claudin family of proteins and occludin. Several studies have reported that downregulation of the claudin domain containing 1 (CLDND1) gene enhances vascular permeability, which consequently increases the risk of stroke. However, the transcriptional regulation of CLDND1 has not been studied extensively. Therefore, this study aimed to ide...
Source: Clinical and Experimental Pharmacology and Physiology - October 9, 2020 Category: Drugs & Pharmacology Authors: Shima A, Matsuoka H, Yamaoka A, Michihara A Tags: Clin Exp Pharmacol Physiol Source Type: research

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