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Fucoidan from Undaria pinnatifida regulates type II collagen and COX-2 (...)
Fucoidan from Undaria pinnatifida regulates type II collagen and COX-2 (...)
Fucoidan is a sulfated polysaccharide widely distributed in brown seaweed. It exhibits several bioactivities, such as anti-cancer, anti-tumor, anti-microbial, anti-diabetic and anti-oxidant properties. However, the effects of fucoidan in chondrocytes are not well established. Previously, we have reported in vitro and in vivo anti-inflammatory effects of fucoidan. In this study, we evaluated the effects and regulatory mechanism of fucoidan derived from Undaria pinnatifida on the cyclooxygenase-2 (COX-2) and type II collagen in rabbit articular chondrocytes. Using western blotting and alcian blue staining, respectively, fucoidan was shown to induce type II collagen and sulfated proteoglycan in a dose- and time-dependent manner. Moreover, fucoidan inhibited the COX-2 expression in a dose- and time-dependent manner and increased the phosphorylation of extracellular signal-regulated kinase (ERK), p38, and AKT kinases in chondrocytes. The inhibition of p38 and AKT using SB203580 and LY294002, respectively, in the presence of fucoidan decreased the expression of type II collagen. However, ERK inhibition using PD98050 stimulated type II collagen expression. Fucoidan increased COX-2 expression in the presence of inhibitors of ERK, p38, and AKT kinases. These results conclusively suggested that fucoidan regulated type II collagen expression via the p38 and AKT pathways, and COX-2 expression via the p38, ERK and AKT pathways in rabbit articular chondrocytes. Moreover, given its ability to mediate cell differentiation and exert anti-inflammatory activity, fucoidan may represent a potential therapeutic substance for use in inflammatory conditions, including arthritis.
·degruyter.com·
Fucoidan from Undaria pinnatifida regulates type II collagen and COX-2 (...)
Downregulation of angiogenin transcript levels and inhibition of colonic carcinoma by gum arabic (Acacia senegal) - PubMed
Downregulation of angiogenin transcript levels and inhibition of colonic carcinoma by gum arabic (Acacia senegal) - PubMed
Gum Arabic (GA), a nutrient from dried exudate of Acacia senegal, is widely used as emulsifier and stabilizer. It stimulates sodium and water absorption in diarrhea. This study explored the effects of GA in colonic tissue. Mice were treated with GA (10% wt/vol) in drinking water and gene array was p …
·pubmed.ncbi.nlm.nih.gov·
Downregulation of angiogenin transcript levels and inhibition of colonic carcinoma by gum arabic (Acacia senegal) - PubMed
Effect of Acacia arabica gum on histochemical changes in the renal cortex of rats exposed to gamma radiation
Effect of Acacia arabica gum on histochemical changes in the renal cortex of rats exposed to gamma radiation
Objective: Lately, gum Arabic (GA) is traditionally used in Middle East countries to ameliorate renal function of patients with chronic renal failure (CRF). This action is controversial and it is still experimentally under evaluation. We aimed to shed more light on the potential effects of GA against γ-rays-induced nephrotoxicity in irradiated rats. Forty-eight male albino Sprague–Dawley rats were divided into four groups: control group(C), irradiated groups (R) 5Gy, gum Arabic groups (GA) 25 mg/kg orally administrated for 3 weeks, and  GA+R groups, rats were treated orally with 25 mg /kg GA for one week before and three weeks after irradiation (GA+R). The experimental rats were sacrificed after 7 and 21 days of irradiation. Histochemical examination of kidney cortex tissue of R groups showed significantly decreased PAS-positive materials, total protein content, and total DNA content, but it significantly increased amyloid β–protein content relative to the control group. While treatment with GA before and after irradiation showed a non-significant change in PAS-positive materials and the content of total protein, total DNA, and amyloid β–protein throughout the examined kidney cortex. According to the results obtained in the current study using GA as a natural agent showed a strong cytoprotective effect against the histochemical changes due to its radioprotective effect.
·jmals.journals.ekb.eg·
Effect of Acacia arabica gum on histochemical changes in the renal cortex of rats exposed to gamma radiation
(PVAChitosanFucoidan)-Ampicillin A Bioartificial Polymeric Material with Combined Properties in Cell Regeneration and Potential Antibacterial Fe... - PubMed - NCBI
(PVAChitosanFucoidan)-Ampicillin A Bioartificial Polymeric Material with Combined Properties in Cell Regeneration and Potential Antibacterial Fe... - PubMed - NCBI
Chitosan, fucoidan, and polyvinyl alcohol are categorized as polymers with biomedical applications. Ampicillin, on the other hand, is considered as an important antibiotic that has shown effectivity in both gram-positive and gram-negative micro-organisms. The aforementioned polymers possess unique p …
·ncbi.nlm.nih.gov·
(PVAChitosanFucoidan)-Ampicillin A Bioartificial Polymeric Material with Combined Properties in Cell Regeneration and Potential Antibacterial Fe... - PubMed - NCBI
1 Biological Activities of Fucoidan and the Factors Mediating Its Therapeutic Effects A Review of Recent Studies. - PubMed - NCBI
1 Biological Activities of Fucoidan and the Factors Mediating Its Therapeutic Effects A Review of Recent Studies. - PubMed - NCBI
The marine acid polysaccharide fucoidan has attracted attention from both the food and pharmaceutical industries due to its promising therapeutic effects. Fucoidan is a polysaccharide that mainly consists of L-fucose and sulphate groups. Its excellent biological function is attributed to its unique …
·ncbi.nlm.nih.gov·
1 Biological Activities of Fucoidan and the Factors Mediating Its Therapeutic Effects A Review of Recent Studies. - PubMed - NCBI
Effect of Gum Arabic ( Acacia senegal ) on C-reactive protein level among sickle cell anemia patients SpringerLink
Effect of Gum Arabic ( Acacia senegal ) on C-reactive protein level among sickle cell anemia patients SpringerLink
Objectives Inflammation is ongoing process among sickle cell anemia even during steady state. C reactive protein (CRP) is cardinal marker that utilized widely as inflammatory indicator. Gum Arabic (GA) is gummy exudates from Acacia senegal tree. Fermentation by colonic bacteria increases serum butyrate concentrations, so considered as prebiotic agent. Gum Arabic (GA) has anti-inflammatory activity through butyrate. Earlier we proved that regular intake of GA increased fetal hemoglobin and anti-oxidant capacity most likely through raised level of butyrate, which would ameliorate symptoms of sickle cell anemia. Best of our knowledge this is the first study conducted to investigate GA intake on inflammatory markers among sickle patients. Results This was a retrospective study conducted on stored samples from trial of Gum Arabic and sickle cell anemia. Quantitative CRP was measured by Mindray BS 200 before and after Gum Arabic consumption for 12 weeks. Daily intake of GA significantly decreased C reactive protein level (P.V = 001) (95% CI 0.943–3.098). No correlation between CRP and age, fetal hemoglobin, hemolysis markers and white blood cells. Our findings revealed novel effect of GA as anti-inflammatory agent could be consumed as natural dietary supplement to modulate disease severity and downregulate inflammatory process. Trial registration: ClinicalTrials.gov Identifier: NCT02467257. Registered 3rd June 2015
·link.springer.com·
Effect of Gum Arabic ( Acacia senegal ) on C-reactive protein level among sickle cell anemia patients SpringerLink
Aloe Vera in Hashimoto's Thyroiditis NHRI
Aloe Vera in Hashimoto's Thyroiditis NHRI
50 ml/day of Aloe vera juice restored normal thyroid function in the participating subjects and decreased their elevated serum TPOAb levels after just 3 months.
·naturalhealthresearch.org·
Aloe Vera in Hashimoto's Thyroiditis NHRI
A comparison study on polysaccharide fractions from Laminaria japonica (...)
A comparison study on polysaccharide fractions from Laminaria japonica (...)
Our previous study has suggested that the crude polysaccharide obtained from Laminaria japonica by acid assisted extraction (LP-A) have significant bile acid-binding capacity, which probably ascribed to its specific structure characterization. The relationship between structure characterization and bile acid-binding capacity of the purified LP-A fractions are still unknown. This paper conducted a comparison study on the structure characterization and bile acid-binding capacity of three LP-A fractions (LP-A4, LP-A6, and LP-A8). The results indicated that LP-A4, LP-A6, and LP-A8, characterized as mannoglucan, fucomannoglucan, and fucogalactan, had significantly different structure characterization. Furthermore, the bile acid-binding capacity of LP-A8 was obviously higher than the other fractions, which may be attributed to its highly branched structure, abundant sulfate, fucose, and galactose in chemical composition and denser interconnected macromolecule network in molecular morphology. This study provides scientific evidence for the potential utilization of LP-A8 as an attractive functional food supplement candidate for the hyperlipidemia population.
·pubs.acs.org·
A comparison study on polysaccharide fractions from Laminaria japonica (...)
A comprehensive review on the health benefits and nutritional significance of fucoidan polysaccharide derived from brown seaweeds in human, animals and aquatic organisms
A comprehensive review on the health benefits and nutritional significance of fucoidan polysaccharide derived from brown seaweeds in human, animals and aquatic organisms
Fucoidan is a sulphated polysaccharide isolated from brown seaweeds. It has attracted a lot of attention due to its multiple physiological and biological properties. The most dominant polysaccharides...
·onlinelibrary.wiley.com·
A comprehensive review on the health benefits and nutritional significance of fucoidan polysaccharide derived from brown seaweeds in human, animals and aquatic organisms
Effect of Gum Arabic (Acacia Senegal) supplementation on visceral adip (...)
Effect of Gum Arabic (Acacia Senegal) supplementation on visceral adip (...)
Background There is a strong association between cardiometabolic risk and adipose tissue dysfunction with great consequences on type 2 diabetic patients. Visceral Adiposity Index (VAI) is an indirect clinical marker of adipose tissue dysfunction. Gum Arabic (GA) is a safe dietary fiber, an exudate of Acacia Senegal. Gum Arabic had shown lipid lowering effect in both humans and animals. The aim of this trial was to determine the effect of GA supplementation on anthropometric obesity marker, Visceral Adiposity Index (VAI) and blood pressure in patients with type 2 diabetes mellitus. Methods This randomized, double blinded, placebo controlled trial recruited a total of 91 type 2 diabetic patients (73 females, 18 males), age (mean ± SD) 50.09 ± 9.3 years on hypoglycemic agents and were randomly assigned into two groups, either to consume 30 g of GA or 5 g of placebo daily for 3 months. Anthropometric obesity markers were measured and indices were calculated. Blood pressure was measured and high density lipoprotein (HDL) and triglycerides (TG) were determined in fasting blood samples at the start and end of the study period. Results After intervention, Gum Arabic decreased BMI and VAI significantly (P
·lipidworld.biomedcentral.com·
Effect of Gum Arabic (Acacia Senegal) supplementation on visceral adip (...)
A Randomized Placebo-controlled Trial of an Oral Preparation of High Molecular Weight Fucoidan in Patients with Type 2 Diabetes with Evaluation of Taste Sensitivity
A Randomized Placebo-controlled Trial of an Oral Preparation of High Molecular Weight Fucoidan in Patients with Type 2 Diabetes with Evaluation of Taste Sensitivity
Background Fucoidan is derived from seaweed widely used in Japanese cuisine, but little is known about its influence on glucose metabolism. To obtain …
·jstage.jst.go.jp·
A Randomized Placebo-controlled Trial of an Oral Preparation of High Molecular Weight Fucoidan in Patients with Type 2 Diabetes with Evaluation of Taste Sensitivity