José Ariévilo Gurgel Rodrigues
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View article: NILE TILAPIA (Oreochromis niloticus Linnaeus 1758) IN MESOHALINE WATER OVERPRODUCES SKIN DERMATAN SULFATE
NILE TILAPIA (Oreochromis niloticus Linnaeus 1758) IN MESOHALINE WATER OVERPRODUCES SKIN DERMATAN SULFATE Open
Tilapia culture in saline waters has been a reality, but the effects on the skin-glycosaminoglycan-(GAG) composition are little known. This study evaluated the (fresh/dehydrated) skin of freshwater/10‰-mesohaline marked tilapia on its morp…
View article: ALCOHOLIC PRECIPITATE OF Oreochromis niloticus SKIN GLYCOSAMINOGLYCANS REVEALS ANTIOXIDANT POTENTIAL
ALCOHOLIC PRECIPITATE OF Oreochromis niloticus SKIN GLYCOSAMINOGLYCANS REVEALS ANTIOXIDANT POTENTIAL Open
Oreochromis niloticus skin contains anticoagulant glycosaminoglycans-OnGAGs, but their obtaining as antioxidants at lower cost require studies. This research examined OnGAGs, by eco-friendly method, on yield, physical-chemical features and…
View article: ANTIOXIDANT GLYCOSAMINOGLYCANS EXTRACTED FROM THE SKIN OF "TAMBATINGA", A HYBRID FISH
ANTIOXIDANT GLYCOSAMINOGLYCANS EXTRACTED FROM THE SKIN OF "TAMBATINGA", A HYBRID FISH Open
Market of "tambatinga" (Colossoma macropomum × Piaractus brachypomus) has grown in Brazil, but its filleting residue glycosaminoglycans (TbGAGs) are unexplored. This study aimed at analyzing TbGAGs, extracted from skin, on their structural…
View article: AQUEOUS EXTRACTION OF ANTIOXIDANT KAPPA-CARRAGEENAN FROM Hypnea musciformis (RHODOPHYTA) MARICULTURE
AQUEOUS EXTRACTION OF ANTIOXIDANT KAPPA-CARRAGEENAN FROM Hypnea musciformis (RHODOPHYTA) MARICULTURE Open
Mariculture of Hypnea musciformis (Rhodophyta) on the northeast coast of Brazil has been an alternative in bioactives sulfated polysaccharides (HmSPs). This study aimed to extract in hot-water HmSPs to quantification and determination of t…
View article: COMBINED FRACTIONATION FOR CHONDROITIN SULFATE -SELECTIVE CHARACTERIZATION FROM Oreochromis niloticus GILLS
COMBINED FRACTIONATION FOR CHONDROITIN SULFATE -SELECTIVE CHARACTERIZATION FROM Oreochromis niloticus GILLS Open
Fish waste glycosaminoglycans (GAGs) processing has been challenger in structural biology. This study papain-extracted chondroitin sulfate-CS was separately fractionated with cethylpiridium chloride-CPC, alcohol-AL or acetone-AC for its se…
View article: BIOCHEMICAL PROSPECTION OF GLYCOSAMINOGLYCANS IN FISH WASTES AIMING AT CIRCULAR ECONOMY
BIOCHEMICAL PROSPECTION OF GLYCOSAMINOGLYCANS IN FISH WASTES AIMING AT CIRCULAR ECONOMY Open
Wastes of Prochilodus brevis and Oreochromis niloticus fishes could be reservoirs in glycosaminoglycans (GAGs) for circular economy. The aim of this study was to biomass prospect for biochemical analysis of GAGs, from cultured fish wastes,…
View article: CELL-WALL OF Lobophora variegata (OCHROPHYTA): EXTRACTION AND BIOCHEMISTRY OF SULFATED POLYSACCHARIDES
CELL-WALL OF Lobophora variegata (OCHROPHYTA): EXTRACTION AND BIOCHEMISTRY OF SULFATED POLYSACCHARIDES Open
Complex cell wall composition of Lobophora variegata (Ochrophyta) rich in sulfated polysaccharides (LvSPs) is few understood. In this study, LvSPs were sequentially extracted and compared on their yield and structural properties. Decumbent…
View article: OPTIMIZED EXTRACTION OF ANTIOXIDANT AGAR FROM THE Gracilaria domingensis RHODOPHYTA CELL-WALL ULTRASTRUCTURE
OPTIMIZED EXTRACTION OF ANTIOXIDANT AGAR FROM THE Gracilaria domingensis RHODOPHYTA CELL-WALL ULTRASTRUCTURE Open
Antioxidant potential of Gracilaria domingensis sulfated polysaccharides (GdSPs) has have few explored. This study sequentially extracted and compared structural and antioxidant properties of GdSPs. After tissue digested with papain, in 10…
View article: COMPARISON OF SEAWEEDS SULFATED POLYSACCHARIDES AND ANTIOXIDANT ACTION TO THOSE OF Halymenia pseudofloresia
COMPARISON OF SEAWEEDS SULFATED POLYSACCHARIDES AND ANTIOXIDANT ACTION TO THOSE OF Halymenia pseudofloresia Open
Taxonomic value of seaweeds sulfated polysaccharides (SPs) and antioxidant potential for genus Halymenia lack of studies. SPs from Caulerpa cupressoides, C. racemosa, C. prolifera, Botryocladia occidentalis, Gracilaria birdiae, H. pseudofl…
View article: UTILIZATION OF Ulva fasciata (CHLOROPHYTA) BIOMASS AS A SOURCE OF ANTIOXIDANT SULFATED POLYSACCHARIDES
UTILIZATION OF Ulva fasciata (CHLOROPHYTA) BIOMASS AS A SOURCE OF ANTIOXIDANT SULFATED POLYSACCHARIDES Open
Ulva fasciata (Chlorophyta) from eutrophicated areas offers bioactives sulfated polysaccharides (UfSPs). In this study papain-extracted biomass was used to quantify and analyze structural and antioxidant properties of UfSPs. Sequentially t…
View article: Estresse salino na produção de exopolissacarídeos pela Chaetoceros neogracilis
Estresse salino na produção de exopolissacarídeos pela Chaetoceros neogracilis Open
Objetivo: Avaliar o efeito da salinidade no cultivo da microalga Chaetoceros neogracilis para produção de pigmentos fotossintetizantes e exopolissacarídeos. Método: Foram realizados sete tratamentos com diferentes salinidades, por sete dia…
View article: Arthrospira platensis CULTURED IN TILAPIA EFFLUENT WITH LOW SALINITY PRODUCES ANTIOXIDANT SULFATED POLYSACCHARIDES
Arthrospira platensis CULTURED IN TILAPIA EFFLUENT WITH LOW SALINITY PRODUCES ANTIOXIDANT SULFATED POLYSACCHARIDES Open
Arthrospira platensis produced in tilapia effluent would yield sulfated polysaccharides (ApSPs). This study analyzed ApSPs by two extraction periods (3 or 24 h) on yield, physical-chemical features and in vitro antioxidant effects. Dehydra…
View article: IN VITRO EVALUATION OF ANTIOXIDANT ACTION OF CHONDROITIN SULFATE FROM THE GILLS OF Prochilodus brevis
IN VITRO EVALUATION OF ANTIOXIDANT ACTION OF CHONDROITIN SULFATE FROM THE GILLS OF Prochilodus brevis Open
Prochilodus brevis is a Brazilian rheophilic fish of local market, but its bioactive glycosaminoglycans (PbGAGs) composition is unknown. This study analyzed PbGAGs from gills on yield, physical-chemical features and in vitro antioxidant ef…
View article: ANALYSIS OF Botryocladia occidentalis (RHODOPHYTA) SULFATED GALACTANS AS MODULATORS OF THROMBIN GENERATION
ANALYSIS OF Botryocladia occidentalis (RHODOPHYTA) SULFATED GALACTANS AS MODULATORS OF THROMBIN GENERATION Open
The cell-wall of Botryocladia occidentalis (Rhodophyta) contains sulfated galactans (BoSGs) with anti- and procoagulant properties, but their effects on thrombin generation (TG) were fewer explored. This study evaluated BoSGs by different …
View article: Produção de rúcula submetida a diferentes tipos de cobertura do solo
Produção de rúcula submetida a diferentes tipos de cobertura do solo Open
View article: Sperm vitrification of Prochilodus brevis: influence of diluent, stored volume and supplementation with sulfated polysaccharides of Nile tilapia (Oreochromis niloticus) skin
Sperm vitrification of Prochilodus brevis: influence of diluent, stored volume and supplementation with sulfated polysaccharides of Nile tilapia (Oreochromis niloticus) skin Open
The aim of this study was to evaluate the influence of diluent, stored volume and the cryodiluent medium supplementation with sulfated polysaccharides (SP) extracted from Nile tilapia skin on P. brevis vitrified sperm. Six pools were dilut…
View article: Suplementação do meio criodiluidor com polissacarídeos sulfatados de macroalgas verdes na congelação do sêmen de Colossoma macropomum
Suplementação do meio criodiluidor com polissacarídeos sulfatados de macroalgas verdes na congelação do sêmen de Colossoma macropomum Open
O estudo teve como objetivo avaliar a adição de polissacarídeos sulfatados (PS) extraídos de duas espécies de macroalgas verdes, Ulva lactuca e Caulerpa racemosa, no meio criodiluidor do sêmen de Colossoma macropomum. Para isso, foram aval…
View article: Sulfated agaran with 4,6-pyruvated form from red seaweed Acanthophora muscoides attenuates thrombin formation: in vitro and ex vivo studies
Sulfated agaran with 4,6-pyruvated form from red seaweed Acanthophora muscoides attenuates thrombin formation: in vitro and ex vivo studies Open
In vitro studies have described the sulfated agaran from Acanthophora muscoides as an intrinsic inhibitor of thrombin generation (TG), but not in ex vivo assay. This investigation partially characterized a pyruvate fraction with in vitro a…
View article: Use of glycosaminoglycans from Oreochromis niloticus skin as an antioxidant supplement for milt cryopreservation of Brazilian bocachico
Use of glycosaminoglycans from Oreochromis niloticus skin as an antioxidant supplement for milt cryopreservation of Brazilian bocachico Open
The study aimed to evaluate the in vitro antioxidant action of glycosaminoglycans (GAGs) from the skin of Oreochromis niloticus, and to determine their ideal concentration to supplement the sperm freezing medium of Prochilodus brevis. In e…
View article: In vitro effects of an Acanthophora muscoides (Ceramiales, Rhodophyta) native and modified sulfated polysaccharide fraction on thrombin generation
In vitro effects of an Acanthophora muscoides (Ceramiales, Rhodophyta) native and modified sulfated polysaccharide fraction on thrombin generation Open
The structural complexity of the agaran type-sulfated polysaccharides (SPs) found in Acanthophora muscoides limits its investigation as anticoagulant alternative to heparin which induces clot complications. This study was extended to evalu…
View article: Molecular characteristics of polysulfated fractions from the green seaweed <i>Caulerpa cupressoides</i> and actions on thrombin generation <i>in vitro
Molecular characteristics of polysulfated fractions from the green seaweed <i>Caulerpa cupressoides</i> and actions on thrombin generation <i>in vitro Open
Caulerpa cupressoides produces sulfated polysaccharides (Cc-SPs) with serpin-dependent anticoagulant effect, but their actions on thrombin generation (TG) are unknown. This study aimed to partially characterize Cc-SPs and examine their pot…
View article: <b>Structural and physical-chemical analyses of sulfated polysaccharides from the sea lettuce <i>Ulva lactuca</i> and their effects on thrombin generation
<b>Structural and physical-chemical analyses of sulfated polysaccharides from the sea lettuce <i>Ulva lactuca</i> and their effects on thrombin generation Open
Ulva lactuca (Chlorophyceae) has biotechnologically-important sulfated-polysaccharides (Ul-SPs), but their potentials on thrombin generation (TG) are unknown. This study analyzed the structural and physical-chemical features of the Ul-SPs …
View article: <b>Extraction, physical-chemical characterization and <i>in vitro</i> inhibitory potential of thrombin generation of crude sulfated polysaccharides from Brazilian tropical seaweeds
<b>Extraction, physical-chemical characterization and <i>in vitro</i> inhibitory potential of thrombin generation of crude sulfated polysaccharides from Brazilian tropical seaweeds Open
The biotechnological value of macroalgae for screening assays of thrombin generation-TG using sulfated polysaccharides-SPs as substitutes to heparin has been poorly explored. Five Brazilian species of macroalgae (Gracilaria birdiae, Acanth…
View article: Extração, caracterização físico-química e potencial inibitório in vitro da geração detrombina de polissacarídeos sulfatados brutos de algas marinhas tropicais brasileiras
Extração, caracterização físico-química e potencial inibitório in vitro da geração detrombina de polissacarídeos sulfatados brutos de algas marinhas tropicais brasileiras Open
View article: <b><i>In vitro</i> inactivation of thrombin generation by polysulfated fractions isolated from the tropical coenocytic green seaweed <i>Caulerpa racemosa</i> (Caulerpaceae, Bryopsidales)
<b><i>In vitro</i> inactivation of thrombin generation by polysulfated fractions isolated from the tropical coenocytic green seaweed <i>Caulerpa racemosa</i> (Caulerpaceae, Bryopsidales) Open
\nPharmacological efficacy of Caulerpa racemosa (Chlorophyta) sulfated polysaccharidic (SPs) fractions (F I→III) on models of coagulation and inflammation has been demonstrated, but not their effects on thrombin generation (TG). This study…
View article: <b>An anti-dengue and anti-herpetic polysulfated fraction isolated from the coenocytic green seaweed <i>Caulerpa cupressoides</i> inhibits thrombin generation in vitro
<b>An anti-dengue and anti-herpetic polysulfated fraction isolated from the coenocytic green seaweed <i>Caulerpa cupressoides</i> inhibits thrombin generation in vitro Open
The antiviral potency of Caulerpa cupressoides (Chlorophyta) sulfated polysaccharidic fractions (Cc-SP1→3) associated with thrombin generation (TG) assay is unknown. This study analyzed the structure of Cc-SP1 and its effects against herpe…
View article: Inhibition of thrombin generation by dermatan sulfate isolated from the skin of Oreochromis niloticus
Inhibition of thrombin generation by dermatan sulfate isolated from the skin of Oreochromis niloticus Open
"Oreochromis niloticus has skin anticoagulant glycosaminoglycans (GAGs), but their effects on thrombin generation (TG) are unknown. This study partially characterized skin GAGs and analyzed as inhibitors of TG. Papain-extraction yield of 0…
View article: Mild-acid hydrolysis of a native polysulfated fraction from Acanthophora muscoides generates sulfated oligosaccharides displaying in vitro thrombin generation inhibition
Mild-acid hydrolysis of a native polysulfated fraction from Acanthophora muscoides generates sulfated oligosaccharides displaying in vitro thrombin generation inhibition Open
A. muscoides (Rhodophyta) has three polysulfated fractions (-1, -2 and Am-3). Am-2 displayed anti-inflammation and serpin-independent anticoagulation effects; however, no effect of oligomers on thrombin-generation (TG) has been demonstrate…
View article: <b>Extraction and structural properties of <i>Acanthophora muscoides </i>(Rhodophyceae) extracellular matrix sulfated polysaccharides and their effects on coagulation
<b>Extraction and structural properties of <i>Acanthophora muscoides </i>(Rhodophyceae) extracellular matrix sulfated polysaccharides and their effects on coagulation Open
Acanthophora muscoides (Rhodophyta) contains structurally heterogeneous sulfated polysaccharides (Am-SPs) with pharmacological importance; however, its matrix SPs composition has not been still extensively investigated. This study sequenti…
View article: Anti-inflammatory and Anti-resorptive Effects of Atorvastatin on Alveolar Bone Loss in Wistar Rats
Anti-inflammatory and Anti-resorptive Effects of Atorvastatin on Alveolar Bone Loss in Wistar Rats Open
The aim of this study was to evaluate the anti-inflammatory and anti-resorptive effect of atorvastatin (ATV) in an experimental alveolar bone loss (ABL) model. Wistar rats were subjected to ligature placement around the maxillary second mo…