Search results for: Fucoidan CAS Number [9072 19 9]
#35841956 
2022/07/13
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Low molecular weight fucoidan alleviates cerebrovascular damage by promoting angiogenesis in type 2 diabetes mice.
Diabetes leading to brain glucose metabolism disorders and cerebrovascular complications. Fucoidan is a kind of sulfated polysaccharides which found in brown algae, has multiply bioactivities and considered to be a promising therapeutic agent. Despite the increasing amount of evidence suggesting the diabetes protective role of fucoidans, the effect of fucoidan on brain abnormalities in type 2 diabetes mellitus patients remains unclear. In this study a low molecular weight fucoidan (LMWF) was obtained from Saccharina japonica and its effect on the cerebrovascular damage in db/db mice was investigated. Results were shown after LMWF treatment, the degree of cerebrovascular damage, the number of apoptotic neuronal cells and the inflammation were all decreased in db/db mice. Moreover, LMWF could up-regulates CD34 and VEGFA expression in db/db mice brain, and the subintestinal vessel angiogenesis in zebrafish was also promoted by LMWF. Moreover, the lumen formation of HUVEC endothelial cells was rescued by LMWF which was destroyed in high glucose treated endothelial cells. Further study found, LMWF alleviates vascular injury by up-regulating the expression level of phosphorylated PI3K and phosphorylated AKT. Our study indicates that LMWF has the potential to develop a cerebrovascular protection agent for type 2 diabetes patients.Zhi Li, Ning Wu, Jing Wang, Yang Yue, Lihua Geng, Quanbin Zhang
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#30732817 2019/01/14
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In vitro and in silico inhibition properties of fucoidan against α-amylase and α-D-glucosidase with relevance to type 2 diabetes mellitus.
This study investigated the in vitro and in silico inhibitory properties of fucoidan extracted from Turbinaria conoides against α-amylase and α-D-glucosidase. Extracted fucoidan contained 59 and 35% of fucose and sulphate and was characterized using H NMR. Dose dependent inhibition assays showed maximum of 85 and 72% of inhibition for α-amylase and α-D-glucosidase at 2.07 and 1.03 μM concentration of fucoidan. The IC value of fucoidan was found to be 1.07 and 0.68 μM against α-amylase and α-D-glucosidase. In silico studies (grid based docking) by Schrödinger software revealed that fucoidan as a potent inhibitor for both α-amylase and α-D-glucosidase based on number of interactions, hydrogen bond length and binding energy. Furthermore, fucoidan fulfilled the pharmacokinetic properties thus promising to develop fucoidan as drug for type 2 DM.Lakshmana Senthil S, Chandrasekaran Raghu, Arjun H A, Anantharaman P