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Mar+Drugs 2020 ; 18 (5): � Nephropedia Template TP
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Potential Beneficial Actions of Fucoidan in Brain and Liver Injury, Disease, and Intoxication-Potential Implication of Sirtuins #MMPMID32380741Dimitrova-Shumkovska J; Krstanoski L; Veenman LMar Drugs 2020[May]; 18 (5): � PMID32380741show ga
Increased interest in natural antioxidants has brought to light the fucoidans (sulfated polysaccharides present in brown marine algae) as highly valued nutrients as well as effective and safe therapeutics against several diseases. Based on their satisfactory in vitro antioxidant potency, researchers have identified this molecule as an efficient remedy for neuropathological as well as metabolic disorders. Some of this therapeutic activity is accomplished by upregulation of cytoprotective molecular pathways capable of restoring the enzymatic antioxidant activity and normal mitochondrial functions. Sirtuin-3 has been discovered as a key player for achieving the neuroprotective role of fucoidan by managing these pathways, whose ultimate goal is retrieving the entirety of the antioxidant response and preventing apoptosis of neurons, thereby averting neurodegeneration and brain injuries. Another pathway whereby fucoidan exerts neuroprotective capabilities is by interactions with P-selectin on endothelial cells, thereby preventing macrophages from entering the brain proper. Furthermore, beneficial influences of fucoidan have been established in hepatocytes after xenobiotic induced liver injury by decreasing transaminase leakage and autophagy as well as obtaining optimal levels of intracellular fiber, which ultimately prevents fibrosis. The hepatoprotective role of this marine polysaccharide also includes a sirtuin, namely sirtuin-1 overexpression, which alleviates obesity and insulin resistance through suppression of hyperglycemia, reducing inflammation and stimulation of enzymatic antioxidant response. While fucoidan is very effective in animal models for brain injury and neuronal degeneration, in general, it is accepted that fucoidan shows somewhat limited potency in liver. Thus far, it has been used in large doses for treatment of acute liver injuries. Thus, it appears that further optimization of fucoidan derivatives may establish enhanced versatility for treatments of various disorders, in addition to brain injury and disease.|Animals[MESH]|Antioxidants/*pharmacology/therapeutic use[MESH]|Brain Injuries/*drug therapy/pathology[MESH]|Brain/drug effects/pathology[MESH]|Chemical and Drug Induced Liver Injury/*drug therapy/pathology[MESH]|Disease Models, Animal[MESH]|Humans[MESH]|Liver/drug effects/pathology[MESH]|Neuroprotective Agents/*pharmacology/therapeutic use[MESH]|Phaeophyceae/chemistry[MESH]|Polysaccharides/*pharmacology/therapeutic use[MESH]|Signal Transduction/drug effects[MESH]
  
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