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1.
Int J Med Mushrooms ; 23(5): 13-20, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34347991

RESUMO

Medicinal mushrooms are considered an unlimited source of polysaccharides (mainly ß-glucans) and polysaccharide-protein complexes and possess various immunological and anticancer properties. In addition, their use in integrative medicine leads to a clear reduction of side effects in patients undergoing chemotherapy or radiotherapy. The literature reports a number of beneficial effects of using mushrooms as health supplements in patients affected by high-grade glioma. The effects of medicinal mushrooms on side effects in patients with brain cancer and a case study report are also described in this review.


Assuntos
Agaricales , Neoplasias Encefálicas , Neoplasias Encefálicas/tratamento farmacológico , Suplementos Nutricionais , Humanos , Polissacarídeos
2.
Biomed Pharmacother ; 139: 111630, 2021 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-33945912

RESUMO

BACKGROUND: Cardiac fibrosis occurs in ischemic and non-ischemic heart failure, hereditary cardiomyopathy, diabetes and aging. Energy metabolism, which serves a crucial function in the course and treatment of cardiovascular diseases, might have therapeutic benefits for myocardial fibrosis. Ginsenoside Rb3 (G-Rb3) is one of the main components of Ginseng and exhibits poor oral bioavailability but still exerts regulate energy metabolism effects in some diseases. Therefore, the study investigated the effect of chitosan (CS) @ sodium tripolyphosphate (TPP) nanoparticles conjugation with ginsenoside Rb3 (NpRb3) on myocardial fibrosis and studied its possible mechanisms. The results showed that NpRb3 directly participates in the remodeling of myocardial energy metabolism and the regulation of perixisome proliferation-activated receptor alpha (PPARα), thereby improving the degree of myocardial fibrosis. The study also verifies the protective effect of NpRb3 on energy metabolism and mitochondrial function by targeting the PPARα pathway. Therefore, the prepared nanodrug carrier may be a potential solution for the delivery of G-Rb3, which is a promising platform for oral treatment of myocardial fibrosis.


Assuntos
Cardiomiopatias/prevenção & controle , Ginsenosídeos/uso terapêutico , Miocárdio/patologia , Nanopartículas , PPAR alfa/efeitos dos fármacos , Transdução de Sinais/efeitos dos fármacos , Animais , Disponibilidade Biológica , Quitosana , Portadores de Fármacos , Composição de Medicamentos , Metabolismo Energético/efeitos dos fármacos , Fibrose/tratamento farmacológico , Ginsenosídeos/administração & dosagem , Ginsenosídeos/química , Masculino , Simulação de Acoplamento Molecular , Miocárdio/metabolismo , Panax/química , Polifosfatos/química , Ratos , Ratos Sprague-Dawley
3.
Microorganisms ; 8(12)2020 Nov 30.
Artigo em Inglês | MEDLINE | ID: mdl-33266344

RESUMO

Many free-living saprobic fungi are nature recruited organisms for the degradation of wastes, ranging from lignocellulose biomass to organic/inorganic chemicals, aided by their production of enzymes. In this study, fungal strains were isolated from contaminated crude-oil fields in Nigeria. The dominant fungi were selected from each site and identified as Aspergillus oryzae and Mucor irregularis based on morphological and molecular characterization, with site percentage incidences of 56.67% and 66.70%, respectively. Selected strains response/tolerance to complex hydrocarbon (used engine oil) was studied by growing them on Bushnell Haas (BH) mineral agar supplemented with the hydrocarbon at different concentrations, i.e., 5%, 10%, 15%, and 20%, with a control having dextrose. Hydrocarbon degradation potentials of these fungi were confirmed in BH broth culture filtrates pre-supplemented with 1% engine oil after 15 days of incubation using GC/MS. In addition, the presence of putative enzymes, laccase (Lac), manganese peroxidase (MnP), and lignin peroxidase (LiP) was confirmed in culture filtrates using appropriate substrates. The analyzed fungi grew in hydrocarbon supplemented medium with no other carbon source and exhibited 39.40% and 45.85% dose inhibition response (DIR) respectively at 20% hydrocarbon concentration. An enzyme activity test revealed that these two fungi produced more Lac than MnP and LiP. It was also observed through the GC/MS analyses that while A. oryzae acted on all hydrocarbon components in the used engine oil, M. irregularis only degraded the long-chain hydrocarbons and BTEX. This study confirms that A. oryzae and M. irregularis have the potential to be exploited in the bio-treatment and removal of hydrocarbons from polluted soils.

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