Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 46
Filtrar
Mais filtros

Medicinas Complementares
País/Região como assunto
Tipo de documento
País de afiliação
Intervalo de ano de publicação
1.
Fish Shellfish Immunol ; 146: 109378, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38272333

RESUMO

In this experiment, we investigated the effects of adding chlorogenic acid (CGA) to the diet on growth performance, immune function, inflammation response, antioxidant capacity and its related mechanisms of common carp (Cyprinus carpio). A total of 600 fish were selected and randomly divided into five treatment groups and fed with CGA containing 0 mg/kg (CK), 100 mg/kg (L100), 200 mg/kg (L200), 400 mg/kg (L400) and 800 mg/kg (L800) for 56 days. The results of the experiment were as follows: addition of CGA significantly increased the WGR, SGR, FER, and PER of common carp (P < 0.05). The addition of 400-800 mg/kg of CGA significantly increased the serum levels of LZM, AKP activity, C3 and C4 concentration, and increased immune function of common carp (P < 0.05). Regarding antioxidant enzyme activities, adding CGA significantly increased SOD, CAT, and GsH-Px activities, while decreasing MDA content (P < 0.05). Compared with the CK group, the mRNA expression levels of NF-κB, TNF-α, and IL-1ß were decreased. The IL-10 and TGF-ß were increased in the liver and intestines of the CGA supplemented group. Meanwhile, the addition of CGA also significantly up-regulated the mRNA expression levels of Nrf2, HO-1, SOD, CAT, and GPX (P < 0.05). CGA also positively contributed to the development of the carp intestinal tract, as demonstrated by decreased serum levels of DAO, D-LA, and ET-1. And the mucosal fold height was increased significantly with increasing levels of CGA. In conclusion, the addition of CGA in the feed can enhance the growth performance, immune function and antioxidant capacity of common carp, and improve the health of the intestine and liver. According to the results of this experiment, the optimal addition amount in common carp diets was 400 mg/kg.


Assuntos
Antioxidantes , Carpas , Animais , Antioxidantes/metabolismo , NF-kappa B/metabolismo , Carpas/metabolismo , Fator 2 Relacionado a NF-E2/metabolismo , Ácido Clorogênico/farmacologia , Transdução de Sinais , Suplementos Nutricionais , Dieta/veterinária , Intestinos , Fígado/metabolismo , Imunidade Inata , RNA Mensageiro/metabolismo , Superóxido Dismutase/metabolismo , Ração Animal/análise
2.
Fish Shellfish Immunol ; 144: 109294, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-38092096

RESUMO

N-acetylcysteine (NAC) positively contributes to enhancing animal health, regulating inflammation and reducing stress by participating in the synthesis of cysteine, glutathione, and taurine in the body. The present study aims to investigate the effects of dietary different levels of NAC on the morphology, function and physiological state of hepatopancreas in juvenile common carp (Cyprinus carpio). 450 common carps were randomly divided into 5 groups: N1 (basal diet), N2 (1.5 g/kg NAC diet), N3 (3.0 g/kg NAC diet), N4 (4.5 g/kg NAC diet) and N5 (6.0 g/kg NAC diet), and fed for 8 weeks. The results indicated that dietary 3.0-6.0 g/kg NAC reduced hepatopancreas lipid vacuoles and nuclear translocation, and inhibited apoptosis in common carp. Simultaneously, the activities of hepatopancreas alanine aminotransferase and aspartate aminotransferase progressively increased with rising dietary NAC levels. Dietary NAC enhanced the non-specific immune function of common carp, and exerted anti-inflammatory effects by inhibiting the MAPK/NF-κB signaling pathway. Additionally, dietary 3.0-6.0 g/kg NAC significantly improved the antioxidant capacity of common carp, which was associated with enhanced glutathione metabolism, clearance of ROS and the activation of Nrf2 signaling pathway. In summary, NAC has the potential to alleviate inflammation, mitigate oxidative stress and inhibit apoptosis via the MAPK/NF-κB/Nrf2 signaling pathway, thereby improving hepatopancreas function and health of common carp. The current findings provide a theoretical basis for promoting the application of NAC in aquaculture and ecological cultivation of aquatic animals.


Assuntos
Antioxidantes , Carpas , Animais , Antioxidantes/metabolismo , NF-kappa B/metabolismo , Acetilcisteína/farmacologia , Carpas/metabolismo , Fator 2 Relacionado a NF-E2/metabolismo , Hepatopâncreas/metabolismo , Transdução de Sinais , Dieta/veterinária , Inflamação/veterinária , Glutationa , Suplementos Nutricionais
4.
Fish Physiol Biochem ; 50(1): 273-293, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38099983

RESUMO

Investigated mitigating effects of sodium butyrate (SB) on the inflammatory response, oxidative stress, and growth inhibition of common carp (Cyprinus carpio) (2.94 ± 0.2 g) are caused by glycinin. Six isonitrogenous and isoenergetic diets were prepared, in which the basal diet was the control diet and the Gly group diet contained 80 g/kg glycinin, while the remaining 4 diets were supplemented with 0.75, 1.50, 2.25, and 3.00 g/kg SB, respectively. The feeding trial lasted for 8 weeks, and the results indicated that supplementing the diet with 1.50-2.25 g/kg of SB significantly improved feed efficiency and alleviated the growth inhibition induced by glycinin. Hepatopancreas and intestinal protease activities and the content of muscle crude protein were significantly decreased by dietary glycinin, but supplement 1.50-2.25 g/kg SB partially reversed this result. SB (1.50-2.25 g/kg) increased the activities of aspartate aminotransferase (AST) and alanine aminotransferase (ALT) in the hepatopancreas and reduced the activities of AST and ALT in the serum. Glycinin significantly reduced immune and antioxidant enzyme activities, whereas 1.50-2.25 g/kg SB reversed these adverse effects. Furthermore, compared with the Gly group, supplement 1.50-2.25 g/kg SB eminently up-regulated the TGF-ß and IL-10 mRNA, and down-regulated the IL-1ß, TNF-α, and NF-κB mRNA in hepatopancreas, mid-intestine (MI), and distal intestine (DI). Meanwhile, supplement 1.50-2.25 g/kg SB activated the Keap1-Nrf2-ARE signaling pathway and upregulate CAT, SOD, and HO-1 mRNA expression in hepatopancreas, MI, and DI. Summarily, glycinin induced inflammatory response, and oxidative stress of common carp ultimately decreased the digestive function and growth performance. SB partially mitigated these adverse effects by activating the Keap1-Nrf2-ARE signaling pathway and inhibiting the NF-κB signaling pathway.


Assuntos
Carpas , Globulinas , Proteínas de Soja , Animais , Carpas/metabolismo , Ácido Butírico/farmacologia , Proteína 1 Associada a ECH Semelhante a Kelch/metabolismo , NF-kappa B/metabolismo , Fator 2 Relacionado a NF-E2/metabolismo , Suplementos Nutricionais , Dieta/veterinária , Antioxidantes/farmacologia , Antioxidantes/metabolismo , Estresse Oxidativo , RNA Mensageiro/metabolismo , Ração Animal/análise
5.
Elife ; 112022 10 11.
Artigo em Inglês | MEDLINE | ID: mdl-36217820

RESUMO

Animal-pollinated plants have to get pollen to a conspecific stigma while protecting it from getting eaten. Touch-sensitive stamens, which are found in hundreds of flowering plants, are thought to function in enhancing pollen export and reducing its loss, but experimental tests are scarce. Stamens of Berberis and Mahonia are inserted between paired nectar glands and when touched by an insect's tongue rapidly snap forward so that their valvate anthers press pollen on the insect's tongue or face. We immobilized the stamens in otherwise unmodified flowers and studied pollen transfer in the field and under enclosed conditions. On flowers with immobilized stamens, the most common bee visitor stayed up to 3.6× longer, yet removed 1.3× fewer pollen grains and deposited 2.1× fewer grains on stigmas per visit. Self-pollen from a single stamen hitting the stigma amounted to 6% of the grains received from single bee visits. Bees discarded pollen passively placed on their bodies, likely because of its berberine content; nectar has no berberine. Syrphid flies fed on both nectar and pollen, taking more when stamens were immobilized. Pollen-tracking experiments in two Berberis species showed that mobile-stamen-flowers donate pollen to many more recipients. These results demonstrate another mechanism by which plants simultaneously meter out their pollen and reduce pollen theft.


Assuntos
Néctar de Plantas , Polinização , Animais , Abelhas , Flores , Plantas , Pólen , Tato
6.
Toxicol In Vitro ; 79: 105276, 2022 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-34875353

RESUMO

Aloe-emodin (AE) is a natural hydroxyanthraquinone derivative that was found in many medicinal plants and ethnic medicines. AE showed a wide array of pharmacological activities including anticancer, antifungal, laxative, antiviral, and antibacterial effects. However, increasing number of published studies have shown that AE may have some hepatotoxicity effects but the mechanism is not fully understood. Studies have shown that the liver injury induced by some free hydroxyanthraquinone compounds is associated with the inhibition of some metabolic enzymes. In this study, the CYP3A4 and CYP3A1 were found to be the main metabolic enzymes of AE in human and rat liver microsomes respectively. And AE was metabolized by liver microsomes to produce hydroxyl metabolites and rhein. When CYP3A4 was knocked down in L02 and HepaRG cells, the cytotoxicity of AE was increased significantly. Furthermore, AE increased the rates of apoptosis of L02 and HepaRG cells, accompanied by Ca2+ elevation, mitochondrial membrane potential (MMP) loss and reactive oxygen species (ROS) overproduction. The mRNA expression of heme oxygenase-1 in L02 and HepaRG cells increased significantly in the high-dose of AE (40 µmol/L) group, and the mRNA expression of quinone oxidoreductase-1 was activated by AE in all concentrations. Taken together, the inhibition of CYP3A4 enhances the hepatocyte injury of AE. AE can induce mitochondrial injury and the imbalance of oxidative stress of hepatocytes, which results in hepatocyte apoptosis.


Assuntos
Antraquinonas/toxicidade , Citocromo P-450 CYP3A/genética , Hepatócitos/efeitos dos fármacos , Animais , Linhagem Celular , Citocromo P-450 CYP3A/efeitos dos fármacos , Técnicas de Silenciamento de Genes , Heme Oxigenase-1/genética , Heme Oxigenase-1/metabolismo , Humanos , Potencial da Membrana Mitocondrial/efeitos dos fármacos , Microssomos Hepáticos/efeitos dos fármacos , Microssomos Hepáticos/enzimologia , NAD(P)H Desidrogenase (Quinona)/genética , NAD(P)H Desidrogenase (Quinona)/metabolismo , Ratos , Espécies Reativas de Oxigênio/metabolismo
7.
J Ethnopharmacol ; 270: 113845, 2021 Apr 24.
Artigo em Inglês | MEDLINE | ID: mdl-33485974

RESUMO

ETHNOPHARMACOLOGICAL RELEVANCE: Polygoni Multiflori Radix, the dried root of Polygonum multiflorum Thunb., and its processed products have been used as restoratives for centuries in China. However, the reports of Polygoni Multiflori Radix-induced liver injury (PMR-ILI) have received wide attention in recent years, and the components and mechanism of PMR-ILI are not completely clear yet. Our previous studies found that the PMR-ILI was related to the down-regulation of some drug metabolism enzymes (DME). AIM OF THE STUDY: To explore the effect of the inhibition of CYP3A4 or UGT1A1 on PMR-ILI, screen the relevant hepatotoxic components and unveil its mechanism. METHODS: RT-qPCR was used to detect the effects of water extract of Polygoni Multiflori Radix (PMR) and its main components on the mRNA expression of CYP3A4 and UGT1A1 in human hepatic parenchyma cell line L02. High-performance liquid chromatography (HPLC) was employed to detect the content of major components in the PMR. And then, the stable CYP3A4 or UGT1A1 knockdown cells were generated using short hairpin RNAs (shRNA) in L02 and HepaRG cells. Hepatotoxic components were identified by cell viability assay when PMR and its four representative components, 2,3,5,4'-tetrahydroxy stilbene glycoside (TSG), emodin (EM), emodin-8-O-ß-D-glucoside (EG), and gallic acid (GA), acted on CYP3A4 or UGT1A1 knockdown cell lines. The PMR-ILI mechanism of oxidative stress injury and apoptosis in L02 and HepaRG cells were detected by flow cytometry. Finally, the network toxicology prediction analysis was employed to excavate the targets of its possible toxic components and the influence on the metabolic pathway. RESULTS: PMR and EM significantly inhibited the mRNA expression of CYP3A4 and UGT1A1 in L02 cells, while TSG and GA activated the mRNA expression of CYP3A4 and UGT1A1, and EG activated CYP3A4 expression while inhibited UGT1A1 expression. The contents of TSG, EG, EM and GA were 34.93 mg/g, 1.39 mg/g, 0.43 mg/g and 0.44 mg/g, respectively. The CYP3A4 or UGT1A1 knockdown cells were successfully constructed in both L02 and HepaRG cells. Low expression of CYP3A4 or UGT1A1 increased PMR cytotoxicity remarkably. Same as PMR, the toxicity of EM and GA increased in shCYP3A4 and shUGT1A1 cells, which suggested EM and GA may be the main components of hepatotoxicity in PMR. Besides, EM not only inhibited the expression of metabolic enzymes but also reduced the cytotoxicity threshold. EM and GA affected the level of ROS, mitochondrial membrane potential, Ca2+ concentration, and dose-dependent induced hepatocyte apoptosis in L02 and HepaRG cells. The network toxicology analysis showed that PMR-ILI was related to drug metabolism-cytochrome P450, glutathione metabolism, and steroid hormone biosynthesis. CONCLUSION: The inhibition of mRNA expression of CYP3A4 or UGT1A1 enhanced hepatotoxicity of PMR. EM and GA, especially EM, may be the main hepatotoxic components in PMR. The mechanism of PMR, EM and GA induced hepatotoxicity was proved to be related to elevated levels of ROS, mitochondrial membrane potential, Ca2+ concentration, and induction of apoptosis in liver cells.


Assuntos
Doença Hepática Induzida por Substâncias e Drogas/metabolismo , Citocromo P-450 CYP3A/genética , Medicamentos de Ervas Chinesas/toxicidade , Fallopia multiflora/toxicidade , Glucuronosiltransferase/genética , Raízes de Plantas/toxicidade , Apoptose/efeitos dos fármacos , Cálcio/metabolismo , Linhagem Celular , Doença Hepática Induzida por Substâncias e Drogas/genética , Doença Hepática Induzida por Substâncias e Drogas/patologia , Citocromo P-450 CYP3A/efeitos dos fármacos , Medicamentos de Ervas Chinesas/química , Fallopia multiflora/química , Técnicas de Silenciamento de Genes , Glucuronosiltransferase/efeitos dos fármacos , Hepatócitos/enzimologia , Humanos , Metaloproteinases da Matriz/metabolismo , Potencial da Membrana Mitocondrial/efeitos dos fármacos , Redes e Vias Metabólicas/efeitos dos fármacos , Estresse Oxidativo/efeitos dos fármacos , Raízes de Plantas/química , Mapas de Interação de Proteínas/efeitos dos fármacos , RNA Mensageiro/metabolismo , RNA Interferente Pequeno/genética , Espécies Reativas de Oxigênio/metabolismo
8.
Zhongguo Zhong Yao Za Zhi ; (24): 5284-5290, 2021.
Artigo em Chinês | WPRIM | ID: wpr-921674

RESUMO

This study aimed to investigate the enhancing effect of muscone on the transdermal penetration of traditional Chinese medicine ingredients and explore its possible mechanism of action. The Franz diffusion cells were employed to investigate the effect of muscone on the transdermal permeation of a series of model drugs with a wide range of log P values. The solubilities at saturation and the stratum corneum(SC)/vehicle partition coefficients of model drugs were measured to evaluate the effect of muscone on drug thermodynamic activities and partition of drugs into SC. Attenuated total reflectance-Fourier transform infrared spectroscopy(ATR-FTIR) was employed to explore the effect of muscone on the molecular structure of SC. The results showed that muscone significantly promoted the transdermal penetration of hydrophilic and lipophilic drugs, and the enhancement ratio(ER) increased with the decrease in the log P. Muscone could interact with the SC lipids to increase the disorder and fluidity of lipid bilayer packing, which improved skin permeability and promoted transdermal absorption of drugs. This study provides a scientific basis for the application of muscone in traditional Chinese medicine topical preparations.


Assuntos
Animais , Ratos , Administração Cutânea , Cicloparafinas , Medicina Tradicional Chinesa , Permeabilidade , Ratos Sprague-Dawley , Pele/metabolismo , Absorção Cutânea
9.
Zhongguo Zhong Yao Za Zhi ; 45(21): 5193-5199, 2020 Nov.
Artigo em Chinês | MEDLINE | ID: mdl-33350235

RESUMO

Based on the previous study of compound liquorice microemulsion, this paper aims to prepare the compound liquorice microemulsion gel and investigate its pharmacodynamics of chronic eczema. The type, dosage and adding method of gel matrix, and formula dosage of humectant were optimized by single factor method to obtain the formula and preparation technique of the gel. With glycyrrhizic acid, glycyrrhetin and oxymatrine used as evaluation indexes, the Franz diffusion cell method was adopted to monitor the in vitro release profile of the gel. Eczema model of delayed-type hypersensitivity in mice was chosen to detect the ear swelling rate, degree of inflammatory cell infiltration of ear pieces, and pathological changes of ear pieces, so as to investigate the therapeutic effect of the microemulsion gel. The preparation process of the compound liquorice microemulsion gel was stable. The release of glycyrrhizin and oxymatrine was most consistent with the Hixcon-Crowell kinetic model, while the release of glycyrrhizic acid was most consistent with the Ritger-Peppas kinetic model. The pharmacodynamics studies proved that compound liquorice microemulsion gel could significantly reduce the ear swelling rate in mice, with good anti-inflammatory effect as well as the ability to resist the pathological changes of chronic eczema and inhibit the infiltration of dermal inflammatory cells. Therefore, the preparation process of compound liquorice microemulsion gel is feasible, with stable drug release and a significant therapeutic effect on chronic eczema.


Assuntos
Glycyrrhiza , Administração Cutânea , Animais , Liberação Controlada de Fármacos , Emulsões , Géis , Camundongos , Absorção Cutânea
10.
Zhongguo Zhong Yao Za Zhi ; 45(19): 4633-4642, 2020 Oct.
Artigo em Chinês | MEDLINE | ID: mdl-33164427

RESUMO

To explore the potential of "physical property model" based on the concept of quality by design(QbD),during the application of process analysis technology(PAT) in the concentration process. The Carthami Flos was used as a model drug. Firstly, the total flavonoid retention rate and the hydroxysafflor yellow A(HSYA) retention rate of the concentrated solution were used as indicators to determine the concentration temperature range of the Carthami Flos extract. Then different concentrations were prepared at the optimal concentration temperature, and the corresponding viscosity(η) and electrical conductivity(σ) at different concentrations and temperatures were measured. Data processing software such as Excel, 1 stOpt, SPSS, and MATLAB were used to establish Carthami Flos extract's mathematical model of physical parameters: ρ-C, η-C, η-T, η-C-T, σ-T, σ-C-T. The results showed that the best concentration temperature of the Carthami Flos extract should not exceed 60 ℃, and the R~2 of the exponential equation and Arrhenius equation established based on physical parameters was all greater than 0.9, indicating that such model had better predictive ability. The mathematical model:η=14.465 1 exp(-0.019 8T+ 0.771 1C-0.058 3C~2), σ=4.061 0 + 0.004 3T +(-1.104 1 +0.950 9T)C-0.556 9TC~2 can be used to reflect the comprehensive effect of concentration and temperature on viscosity or conductance, laying foundation for the establishment of an online monitoring system for the viscosity or conductivity of the extraction liquid in the concentration step, rapid prediction of the concentration status, and control of the concentration endpoint. This study has initially proved the feasibility of using the physical property model as the core of the research idea in application of PAT for intelligent quality control of traditional Chinese medicine concentration links, providing a reference for the online intelligent monitoring of concentration steps of traditional Chinese medicine extracts.


Assuntos
Medicamentos de Ervas Chinesas , Medicina Tradicional Chinesa , Flavonoides , Flores , Modelos Teóricos
11.
BMC Complement Altern Med ; 19(1): 271, 2019 Oct 18.
Artigo em Inglês | MEDLINE | ID: mdl-31627724

RESUMO

BACKGROUND: Plant secondary metabolites and phytochemicals that exhibit strong bioactivities have potential to be developed as safe and efficient natural antimicrobials against food contamination and addressing antimicrobial resistance caused by the overuse of chemical synthetic preservative. In this study, the chemical composition, antibacterial activities and related mechanism of the extracts of the valonia and the shell of Quercus variabilis Blume were studied to determine its potential as a safe and efficient natural antimicrobial. METHODS: The phenolic compositions of valonia and shell extracts were determined by folin-ciocalteau colourimetric method, sodium borohydride/chloranil-based assay and the aluminium chloride method and then further identified by the reverse-phase HPLC analysis. The antibacterial activities of valonia and shell extracts were evaluated by the agar disk diffusion method and agar dilution method. The related antibacterial mechanism was explored successively by the membrane of pathogens effect, phosphorous metabolism, whole-cell proteins and the microbial morphology under scanning electron microscopy. RESULTS: The n-butanol fraction and water fraction of valonia along with n-butanol fraction of the shell contains enrich phenolics including ellagic acid, theophylline, caffeic acid and tannin acid. The n-butanol fraction and ethanol crude extracts of valonia exhibited strong antibacterial activities against Salmonella paratyphi A (S. paratyphi A) and Staphylococcus aureus (S. aureus) with the DIZ values ranged from 10.89 ± 0.12 to 15.92 ± 0.44, which were greater than that of the Punica granatum (DIZ: 10.22 ± 0.18 and 10.30 ± 0.21). The MIC values of the n-butanol fraction and ethanol crude extracts of valonia against S. paratyphi A and S. aureus were 1.25 mg/ml and 0.625 mg/ml. The related antibacterial mechanism of n-butanol fraction and ethanol crude extracts of valonia may be attributed to their strong impact on membrane permeability and cellular metabolism. Those extracts exhibited strong antibacterial activity according to inhibit the synthesis of bacterial proteins and seriously change morphological structure of bacterial cells. CONCLUSIONS: The n-butanol fraction and ethanol crude extracts of valonia had reasonably good antibacterial activities against S. paratyphi A and S. aureus. This study suggests possible application of valonia and shell as natural antimicrobials or preservatives for food and medical application.


Assuntos
Antibacterianos/química , Antibacterianos/farmacologia , Extratos Vegetais/química , Extratos Vegetais/farmacologia , Quercus/química , Salmonella paratyphi A/efeitos dos fármacos , Staphylococcus aureus/efeitos dos fármacos , Antibacterianos/isolamento & purificação , Humanos , Testes de Sensibilidade Microbiana , Nozes/química , Extratos Vegetais/isolamento & purificação , Salmonella paratyphi A/crescimento & desenvolvimento , Infecções Estafilocócicas/microbiologia , Staphylococcus aureus/crescimento & desenvolvimento
12.
Zhongguo Zhong Yao Za Zhi ; 44(10): 2110-2117, 2019 May.
Artigo em Chinês | MEDLINE | ID: mdl-31355569

RESUMO

Chemical constituents of the Fufang Huangbai Ye( FFHB) were analyzed and identified by UPLC-ESI-LTQ-OrbitrapMS. The analysis was performed on an Waters HSS T3 reverse phase column( 2. 1 mm×100 mm,1. 8 µm). The mobile phase consisting of 0. 1% aqueous formic acid( A) and acetonitrile( B) was used with gradient elution,and the flow rate was 0. 3 mL·min~(-1).Based on the information of the accurate mass,the multistage fragment ions,the mass spectrometric data of the standard substance and the relative reference literature,the structure of the chemical constituents in FFHB were identified. Based on the identified compounds,network pharmacology study,including target prediction,functional enrichment,and molecular docking was applied to screen out the main active substances for treatment of diabetes foot and explore the potential mechanism. The results showed that a total of 138 compounds were identified,including 28 alkaloids,16 flavonoids,11 phenylethanoid glycosides,9 cycloolefins,11 cyclohexylethanol derivatives,28 phenolic acids and derivatives,3 lignans,4 terpenes,28 volatile oils and the others. Further,36 active substances for diabetes foot were screened out,and the functional enrichment showed the potential mechanism of FFHB were mainly seven functional items including inflammatory response,growth factor activity. This study combining the UPLC-LTQ-Orbitrap-MS technology and the network pharmacology provide a useful reference and basis for active compounds,quality control markers and the pharmacological mechanism of FFHB for diabetic foot treatment.


Assuntos
Pé Diabético/tratamento farmacológico , Medicamentos de Ervas Chinesas/farmacologia , Compostos Fitoquímicos/farmacologia , Cromatografia Líquida de Alta Pressão , Humanos , Espectrometria de Massas , Simulação de Acoplamento Molecular , Compostos Fitoquímicos/isolamento & purificação
13.
Int Immunopharmacol ; 72: 413-421, 2019 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-31030097

RESUMO

Paeonia suffruticosa possesses various medicinal benefits and has been used extensively in traditional oriental medicine for thousands of years. Paeonol is the main component isolated from the root bark of Paeonia suffruticosa. The pharmacological effects of Paeonia suffruticosa are mostly attributed to paeonol. Paeonol injection has been successfully applied in China for nearly 50 years for inflammation/pain-related indications. Currently, the dosage forms of paeonol approved by China Food and Drug Administration include tablet, injection, and external preparations such as ointment and adhesive plaster. So far, the clinical applications of paeonol are mainly focusing on the anti-inflammatory activity. Studies of other pharmacological activities of paeonol are developing rapidly, and which may play an important role in the future. Besides, substantial mechanisms of pharmacological action of paeonol have been clarified in recent years. In this review, we summarize the pharmacological effects anti-inflammatory, neuroprotective, anti-tumor, anti-cardiovascular diseases and associated mechanisms of action of paeonol up to date.


Assuntos
Acetofenonas/farmacologia , Anti-Inflamatórios/farmacologia , Antineoplásicos/farmacologia , Cardiotônicos/farmacologia , Fármacos Neuroprotetores/farmacologia , Animais , Humanos
14.
Artigo em Chinês | WPRIM | ID: wpr-802103

RESUMO

Objective: To explore the difference of intestinal flora between the patients with acute cerebral hemorrhage due to hyperactivity of liver-Yang and the healthy population. Method: The fecal samples of 9 patients with acute cerebral hemorrhage due to hyperactivity of liver-Yang from the first affiliated hospital of Guangzhou university of traditional Chinese medicine in 2018 were selected as observation group,and 6 stool samples from healthy subjects were selected as the control group.The total bacterial DNA was extracted from the two groups of samples,amplified according to the 16S rRNA V4 region,and paired-end sequencing was performed on the Illumina MiSeq platform.The sequencing results were analyzed by bioinformatics analysis software.The flora composition and structure of the samples from two groups were compared. Result:Venn analysis of operational taxonomic units(OTU) showed significant difference in OTU numbers between the observation group and control group.Partial least squares-discriminant analysis(PLS-DA) showed that there was a significant difference in the composition of intestinal flora between patients with acute cerebral hemorrhage and healthy subjects.On the analysis of species and abundance,at the classification level of phylum,compared with the control group,the ratio of relative abundance values of Firmicutes and Bacteroidetes(F/B) in the observation group was significantly increased,and the relative abundance of Verrucomicrobia was significantly decreased(PPrevotella,Bacteroides,Akkermansia,Blautia and Acidaminococcus(PPBacteroides and Prevotella(B/P) in the observation group was significantly higher than that of the control group;at the classification level of species,there were significant differences between the two groups in P. copri,A. muciniphila,B. ovatus,B. fragilis and Ruminococcus callidus(PPConclusion:Acute cerebral hemorrhage due to hyperactivity of liver-Yang is associated with structural disorder of intestinal flora,which is closely related to the decrease in relative abundance of P. copri and A. muciniphila.

15.
Artigo em Inglês | WPRIM | ID: wpr-1010495

RESUMO

Glycerol monolaurate (GML) has been widely used as an effective antibacterial emulsifier in the food industry. A total of 360 44-week-old Hy-Line brown laying hens were randomly distributed into four groups each with six replicates of 15 birds, and fed with corn-soybean-meal-based diets supplemented with 0, 0.15, 0.30, and 0.45 g/kg GML, respectively. Our results showed that 0.15, 0.30, and 0.45 g/kg GML treatments significantly decreased feed conversion ratios (FCRs) by 2.65%, 7.08%, and 3.54%, respectively, and significantly increased the laying rates and average egg weights. For egg quality, GML drastically increased albumen height and Haugh units, and enhanced yolk color. Notably, GML increased the concentrations of polyunsaturated and monounsaturated fatty acids and reduced the concentration of total saturated fatty acids in the yolk. The albumen composition was also significantly modified, with an increase of 1.02% in total protein content, and increased contents of His (4.55%) and Glu (2.02%) under the 0.30 g/kg GML treatment. Additionally, GML treatments had positive effects on the lipid metabolism of laying hens, including lowering the serum triglyceride and total cholesterol levels and reducing fat deposition in abdominal adipose tissue. Intestinal morphology was also improved by GML treatment, with increased villus length and villus height to crypt depth ratio. Our data demonstrated that GML supplementation of laying hens could have beneficial effects on both their productivity and physiological properties, which indicates the potential application of GML as a functional feed additive and gives us a new insight into this traditional food additive.


Assuntos
Animais , Feminino , Albuminas/análise , Galinhas , Dieta , Suplementos Nutricionais , Gema de Ovo/química , Hormônios Esteroides Gonadais/sangue , Intestinos/citologia , Lauratos/administração & dosagem , Metabolismo dos Lipídeos , Monoglicerídeos/administração & dosagem , Oviposição/efeitos dos fármacos , Óvulo , Estresse Oxidativo
16.
Nat Prod Res ; 32(11): 1287-1290, 2018 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-28602107

RESUMO

Previous research found Potentilla fruticosa leaf extracts (PFE) combined with green tea polyphenols (GTP) showed obvious synergistic effects based on chemical mechanisms. This study further confirmed the synergy of PFE + GTP viewed from bioactivities using the microbial test system (MTS). The MTS antioxidant activity results showed the combination of PFE + GTP exhibited synergistic effect and the ratio 3:1 showed the strongest synergy, which were in accordance with the results in H2O2 production rate. The combination of PFE + GTP promoted CAT and SOD enzyme activity and their gene expression especially at the ratio 3:1. Therefore, the synergism of PFE + GTP may be due to the promotion of CAT and SOD genes expression which enhanced the CAT and SOD enzyme activities. These results confirmed the synergy of PFE + GTP and could provide theoretical basis to produce a compounded tea made of a mixture of leaves from Potentilla species.


Assuntos
Extratos Vegetais/farmacologia , Polifenóis/farmacologia , Potentilla/química , Chá/química , Antioxidantes/metabolismo , Antioxidantes/farmacologia , Catalase/genética , Catalase/metabolismo , Suplementos Nutricionais , Sinergismo Farmacológico , Escherichia coli/efeitos dos fármacos , Escherichia coli/metabolismo , Peróxido de Hidrogênio/metabolismo , Folhas de Planta/química , Polifenóis/análise , Quercetina/análogos & derivados , Quercetina/farmacologia , Superóxido Dismutase/genética , Superóxido Dismutase/metabolismo
17.
Chongqing Medicine ; (36): 164-166, 2018.
Artigo em Chinês | WPRIM | ID: wpr-691759

RESUMO

Objective To detect the expression levels of peripheral blood CXCL10 and its receptor CXCR3 and T cell subsets in of the patients with advanced vitiligo and the influence of compound Chinese medicine on it.Methods Flow cytometry was used to detect the cellular proportions of peripheral blood T cell subsets,ELISA was employed to quantify serum CXCL10 and CXCR3 expression levels before and after treatment.Results After 1 month of taking Chinese medicine,the proportions of CD3+ CD4+ cells and CD3+ CD8+ cells were increased compared before treatment(P<0.05).The expression level of peripheral serum CXCL10 before treatment was significantly increased compare with the healthy control group(P<0.01),and the CXCL10 level after treatment was decreased significantly compared with that before treatment(P<0.05).The expression level of peripheral serum CXCR3 was significantly increased compared with the healthy control group(P<0.05),while which after treatment was still significantly higher than that in the healthy control group(P<0.05).Conclusion CXCL10,CXCR3 and T cell subsets proportion may be involved in the pathogenesis of vitiligo.The compound Chinese medicine used in this study plays the curative effect possibly by regulating T cell subsets and expression levels of CXCL10 and CXCR3.

18.
International Eye Science ; (12): 823-825, 2018.
Artigo em Chinês | WPRIM | ID: wpr-695315

RESUMO

AIM:To evaluate the curative effect of Chinese medicine physiotherapy combined with tropicamide eye drops to treat pseudomyopia in children and adolescent. METHODS: We collected randomized controlled trials from CNKI, CBM, Wanfang database, PubMed, EMBASE and Cochrane Library in 2000-2015, and the improved Jadad scale was used to evaluate the methodology of the literature, and the data was extracted. The Review Manager 5. 3 statistical software was used for meta analysis. RESULTS: A total of 5 articles were included in the analysis, with a total sample size of 836 cases. The curative effect of experimental group on pseudomyopia was better than that of control group,and the differences are statistically significant (Z=6.39,P<0.01). CONCLUSION: Compared with topiramine eye drops alone, combined with traditional Chinese medicine therapy for treating pseudomyopia in children and adolescent is more effective,and is safe and reliable.

19.
Artigo em Inglês | MEDLINE | ID: mdl-28626488

RESUMO

The objective of this study is to investigate the relationship between the hepatotoxicity induced by Polygoni Multiflori Radix (PMR, root of Polygonum multiflorum Thunb., He Shou Wu) and the activity of CYP1A2 or CYP2E1 in the rat liver. Levels of rat serum transaminases ALT and AST were not altered but the activity of CYP1A2 or CYP2E1 in the rat liver was significantly inhibited after oral administration of aqueous extract of PMR under the experimental dosage. However, levels of ALT and AST were significantly increased and the activity of CYP1A2 or CYP2E1 was significantly decreased after injection of specific inhibitor for CYP1A2 or CYP2E1 combined with oral administration of aqueous extract of PMR, especially under the repeated treatment over interval times. Liver histopathological observation showed that a moderate liver injury occurred in rats receiving PMR treatment with the activity of CYP1A2 or CYP2E1 inhibited, but there was no significant liver damage in rats receiving PMR treatment or CYP inhibitor alone. These suggested that low level activity of CYP1A2 or CYP2E1 from genetic polymorphism among people might be one of the important reasons for the hepatotoxicity induced by PMR in clinical practice.

20.
Altern Ther Health Med ; 23(6): 16-22, 2017 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-28646802

RESUMO

Context • Outbreaks of the influenza A virus (IAV) are increasingly recognized as a global public health issue, affecting a large proportion of the world's population. A number of studies have provided epidemiologic evidence that dampness and mold are consistently associated with multiple allergic and respiratory effects, but they focused on dampness-related pathogenic microorganisms leading to allergy rather than the dampness itself. Objective • The current study intended to examine the effects of a damp environment on the promotion of the IAV and determine the adverse effects on its prognosis through upregulation of the toll-like receptor 7 (TLR7)-signaling pathway in the lung. Design • The research team performed an animal study. Setting • The study was performed at Jinan University (Guangzhou, China). Animals • A total of 144 specific-pathogen-free, C57BL/6j mice were included in the study, divided into 6 groups with 24 mice in each group. Intervention • The mice were randomly divided into the 6 groups, with 24 mice in each group: (1) group A: normal mice, a control group; (2) group B: normal mice living in a damp environment, a second control group; (3) group C: virally infected mice living in a normal environment; (4) group D: virally infected mice living in a damp environment; (5) group E: virally infected mice living in a normal environment and receiving treatment with 0.2 mL/d of 0.78 mg/mL oseltamivir; and (6) group F: virally infected mice living in a damp environment and receiving treatment with 0.2 mL/d of 0.78 mg/mL oseltamivir. Outcome Measures • Real-time quantitative polymerase chain reaction was used to measure the mRNA expression of TLR7, myeloid differentiation primary response gene 88 (MyD88), tumor necrosis factor receptor associated factor 6 (TRAF6), interleukin 1 receptor-associated kinase 4 (IRAK4), and nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) in the TLR7 signaling pathway and the viral replication level in the lung. Results • The mice began to lose weight after being infected with IAV, especially those mice in groups D and F, where the mice were lost weight more quickly than those in groups C and E. The damages in group F were more serious than for mice in group E. In groups C and D, the mRNA TLR7, MyD88, TRAF6, IRAK4, and NF-κB were upregulated after viral infection (P < .01). After the IAV infection, the expression of TLR7, MyD88, TRAF6, and NF-κB mRNA in group D was higher (P < .01) than in group C. The oseltamivir treatment reduced the mRNA expression in the TLR7 signaling pathways (P < .01), both in the damp environment and normal environment. The expression of mRNA in the TLR7 signaling pathways was lower in group F than in group E (P < .01). Conclusions • The study suggests that dampness can promote the IAV infection and worsen its prognosis by upregulating the TLR7 signaling pathway.


Assuntos
Exposição Ambiental/efeitos adversos , Vírus da Influenza A/metabolismo , Influenza Humana/tratamento farmacológico , Receptor 7 Toll-Like/metabolismo , Animais , Antivirais/administração & dosagem , Humanos , Vírus da Influenza A/efeitos dos fármacos , Camundongos , Camundongos Endogâmicos C57BL , Oseltamivir/administração & dosagem , Prognóstico , Transdução de Sinais/efeitos dos fármacos
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA