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1.
Fish Shellfish Immunol ; 82: 121-129, 2018 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-30099143

RESUMEN

An 8-week feeding trial was conducted to evaluate the effects of dietary yeast hydrolysate and brewer's yeast supplementation on growth, immune-related genes expression and ammonia nitrogen stress resistance of Pacific white shrimp (Litopenaeus vannamei). Three isonitrogenous and isolipidic practical diets were formulated to contain 0% (control diet), 1% yeast hydrolysate and 1% brewer's yeast, respectively. 360 juvenile L. vannamei with an initial weight (0.88 ±â€¯0.01 g) was randomly divided into 3 treatments in four replicates (30 shrimp per replicate). The results indicated that shrimp fed the diet containing 1% yeast hydrolysate had a significantly higher weight gain (WG), and specific growth rate (SGR) than that fed the control diet, and the lowest feed conversion ratio (FCR) was occurred in the 1% yeast hydrolysate supplementation group. Proximate composition in whole body and muscle among all treatments was not significantly influenced by the dietary yeast hydrolysate or brewer's yeast supplementation. The challenge test with ammonia nitrogen showed that lower cumulative survival was observed in those fed the control diet, and the highest cumulative survival was occurred at shrimp fed the 1% yeast hydrolysate supplementation. Shrimp fed the control diet had higher inflammation-related genes expression levels of tnf-α and il-1ß in the intestine than those fed the diets supplemented with 1% yeast hydrolysate or 1% brewer's yeast, however, there was no significant difference in expression level of alp in intestine among all treatments. The relative expression levels of mTOR signal pathway genes (eif4ebp, eif4e1a, eif4e2 and p70s6k) were significantly up-regulated in the shrimp fed the diets supplemented with 1% yeast hydrolysate, and the lowest gene expression levels of eif4ebp, eif4e1a, eif4e2 and p70s6k in the intestine were occurred at the control diet. The highest expression levels of the immune-related genes (dorsal, relish, and proPO) in the intestine were observed at shrimp fed the 1% yeast hydrolysate supplementation, and the lowest expression levels of these genes were occurred at shrimp fed the control diet, however, there was no significant difference in gene expression of lysozyme among all treatments. The expression levels of penaeidin3a, crustin, proPO, and IMD in the hepatopancreas were significantly influenced by the dietary yeast hydrolysate, brewer's yeast or no yeast product supplementation, shrimp fed the 1% yeast hydrolysate supplementation had higher expression levels of these genes than those fed the control diet. The present study indicated that dietary 1% yeast hydrolysate or brewer's yeast supplementation could improve growth performance, enhance innate immunity, and strengthen resistance of ammonia nitrogen stress, and dietary 1% yeast hydrolysate supplementation provides better immunostimulatory effects than brewer's yeast of L. vannamei.


Asunto(s)
Amoníaco/efectos adversos , Inmunidad Innata/efectos de los fármacos , Nitrógeno/efectos adversos , Penaeidae/fisiología , Levadura Seca/administración & dosificación , Alimentación Animal/análisis , Animales , Dieta , Suplementos Dietéticos/análisis , Penaeidae/efectos de los fármacos , Penaeidae/crecimiento & desarrollo , Penaeidae/inmunología , Estrés Fisiológico
2.
Zhong Yao Cai ; 35(2): 264-9, 2012 Feb.
Artículo en Zh | MEDLINE | ID: mdl-22822675

RESUMEN

OBJECTIVE: To investigate the effect of Grape Seed Proanthocyanidins (GSPs) on enhancing the radiosensitivity of human hepatic carcinoma cell line HepG2, human cervical cancer cell line Hela and human leukemia cell line K562 for X-ray in vitro. METHODS: The killing effect of GSPs combined with X-ray on cells was evaluated by SRB and clone formation assay. RESULTS: The GSPs had obvious cytotoxicity on three cell lines in a dose-dependent and time-dependent manners. However, inhibition rate of different cell line were quite different, the strongest one was human leukemia K562 cells and the others were weak. The sensitization ranges calculated by univariate analysis were 6.25-12.5 microg/mL for human leukemia K562 cells. Sensitization enhancement ratio was 1.94 using curve fitting method for K562 cells. CONCLUSION: GSPs can obviously enhance the radiosensitivity of cancer cells in vitro. The mechanism of sensitization effect may be related to the effects of GSPs on oxygen balance and cell cycle.


Asunto(s)
Antioxidantes/farmacología , Proliferación Celular/efectos de los fármacos , Extracto de Semillas de Uva/farmacología , Proantocianidinas/farmacología , Fármacos Sensibilizantes a Radiaciones/farmacología , Vitis/química , Ciclo Celular/efectos de los fármacos , Ciclo Celular/efectos de la radiación , Proliferación Celular/efectos de la radiación , Supervivencia Celular/efectos de los fármacos , Relación Dosis-Respuesta en la Radiación , Células HeLa , Células Hep G2 , Humanos , Células K562 , Semillas/química , Rayos X
3.
Mol Neurobiol ; 59(8): 5193-5206, 2022 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-35678977

RESUMEN

Alzheimer's disease (AD) is a progressive neurodegenerative disease characterized by cognitive dysfunction. The glutamate (Glu) metabolic pathway may be a major contributor to the memory dysfunction associated with AD. The TWIK-related potassium channel-1 (TREK-1) protects against brain ischemia, but any specific role for the channel in AD remains unknown. In this study, we used SAMP8 mice as an AD model and age-matched SAMR1 mice as controls. We explored the trends of changes in TREK-1 channel activity and the levels of AD-related molecules in the brains of SAMP8 mice. We found that the expression level of TREK-1 increased before 3 months of age and then began to decline. The levels of Tau and Glu increased with age whereas the acetylcholine level decreased with age. α-Linolenic acid (ALA), an activator of the TREK-1 channel, significantly increased the TREK-1 level, and improved the learning and memory deficits of SAMP8 mice aged 6 months. The mechanism in play may involve the Glu metabolic pathway. After activation of the TREK-1 channel, damaged neurons and astrocytes were rescued, the levels of Glu and the N-methyl-D-aspartate receptor were downregulated, and the level of glutamate transporter-1 was upregulated. These findings suggest that TREK-1 plays a crucial role in the pathological progression of AD; activation of the TREK-1 channel improved cognitive deficits in SAMP8 mice via a mechanism that involved Glu metabolism. The TREK-1 potassium channel may thus be a valuable therapeutic target in AD patients.


Asunto(s)
Enfermedad de Alzheimer , Disfunción Cognitiva , Enfermedades Neurodegenerativas , Envejecimiento/metabolismo , Enfermedad de Alzheimer/metabolismo , Animales , Cognición , Disfunción Cognitiva/complicaciones , Disfunción Cognitiva/metabolismo , Modelos Animales de Enfermedad , Glutamatos , Ratones , Canales de Potasio de Dominio Poro en Tándem
4.
Neural Regen Res ; 17(10): 2117-2125, 2022 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-35259817

RESUMEN

Graphene and graphene-based materials have the ability to induce stem cells to differentiate into neurons, which is necessary to overcome the current problems faced in the clinical treatment of spinal cord injury. This review summarizes the advantages of graphene and graphene-based materials (in particular, composite materials) in axonal repair after spinal cord injury. These materials have good histocompatibility, and mechanical and adsorption properties that can be targeted to improve the environment of axonal regeneration. They also have good conductivity, which allows them to make full use of electrical nerve signal stimulation in spinal cord tissue to promote axonal regeneration. Furthermore, they can be used as carriers of seed cells, trophic factors, and drugs in nerve tissue engineering scaffolds to provide a basis for constructing a local microenvironment after spinal cord injury. However, to achieve clinical adoption of graphene and graphene-based materials for the repair of spinal cord injury, further research is needed to reduce their toxicity.

5.
Zhong Yao Cai ; 33(11): 1764-7, 2010 Nov.
Artículo en Zh | MEDLINE | ID: mdl-21434441

RESUMEN

OBJECTIVE: To study the effects of the extracts from Patrinia heterophylla on gene expression patterns during morphogenesis of chicken limb buds in vivo. METHODS: Implanted a bead into an chicken embryo, which was soaked in the extracts from Patrinia heterophylla. Detected the extracts-induced morphogenesis changes (Myf5, Myod and PCNA). RESULTS: The extracts from Patrinia heterophylla (200 mg/mL) could affect limb bud development, reduce gene expression of MyfS, MyoD and PCNA. CONCLUSION: The extracts from Patrinia heterophylla can inhibit cell differentiation and proliferation.


Asunto(s)
Antineoplásicos/farmacología , Extremidades/embriología , Regulación del Desarrollo de la Expresión Génica/efectos de los fármacos , Esbozos de los Miembros/efectos de los fármacos , Patrinia/química , Extractos Vegetales/farmacología , Acrilamida/química , Animales , Antineoplásicos/administración & dosificación , Diferenciación Celular/efectos de los fármacos , Proliferación Celular/efectos de los fármacos , Embrión de Pollo , Pollos , Regulación hacia Abajo , Portadores de Fármacos/química , Esbozos de los Miembros/embriología , Esbozos de los Miembros/metabolismo , Proteína MioD/genética , Proteína MioD/metabolismo , Factor 5 Regulador Miogénico/genética , Factor 5 Regulador Miogénico/metabolismo , Extractos Vegetales/administración & dosificación , Antígeno Nuclear de Célula en Proliferación/genética , Antígeno Nuclear de Célula en Proliferación/metabolismo
6.
World J Stem Cells ; 12(8): 814-840, 2020 Aug 26.
Artículo en Inglés | MEDLINE | ID: mdl-32952861

RESUMEN

Mesenchymal stem cells (MSCs) are multipotent stem cells with marked potential for regenerative medicine because of their strong immunosuppressive and regenerative abilities. The therapeutic effects of MSCs are based in part on their secretion of biologically active factors in extracellular vesicles known as exosomes. Exosomes have a diameter of 30-100 nm and mediate intercellular communication and material exchange. MSC-derived exosomes (MSC-Exos) have potential for cell-free therapy for diseases of, for instance, the kidney, liver, heart, nervous system, and musculoskeletal system. Hence, MSC-Exos are an alternative to MSC-based therapy for regenerative medicine. We review MSC-Exos and their therapeutic potential for a variety of diseases and injuries.

7.
J Integr Med ; 18(4): 275-283, 2020 07.
Artículo en Inglés | MEDLINE | ID: mdl-32446813

RESUMEN

Since the outbreak of novel coronavirus pneumonia (coronavirus disease 2019, COVID-19), it has rapidly spread to 187 countries, causing serious harm to the health of people and a huge social burden. However, currently, drugs specifically approved for clinical use are not available, except for vaccines against COVID-19 that are being evaluated. Traditional Chinese medicine (TCM) is capable of performing syndrome differentiation and treatment according to the clinical manifestations of patients, and has a better ability of epidemic prevention and control. The authors comprehensively analyzed the etiology and pathogenesis of COVID-19 based on the theory of TCM, and discussed its syndrome differentiation, treatment and prevention measures so as to provide strategies and reference for the prevention and treatment with TCM.


Asunto(s)
Betacoronavirus , Infecciones por Coronavirus/diagnóstico , Infecciones por Coronavirus/terapia , Medicina Tradicional China , Neumonía Viral/diagnóstico , Neumonía Viral/terapia , COVID-19 , Infecciones por Coronavirus/etiología , Infecciones por Coronavirus/prevención & control , Humanos , Pandemias/prevención & control , Neumonía Viral/etiología , Neumonía Viral/prevención & control , SARS-CoV-2
9.
Zhong Yao Cai ; 31(11): 1689-91, 2008 Nov.
Artículo en Zh | MEDLINE | ID: mdl-19260282

RESUMEN

OBJECTIVE: To explore the effect of Potrinia scabro extracts (PSE) on the level of serum cytokine in Sarcoma 180 ascitic tumor burdened mice and its mechanism of anti-tumor. METHODS: The mice model of Sarcoma 180 ascitic tumor were established and divided into five groups randomly, including the model group with normal saline solution, the positive group with 10 mg/kg cytoxan and PSE treated groups at doses of 2.0 g/kg, 1.0 g/kg, 0.5 g/kg intraperitoneally for 10 days. The level of serum cytokine Th1 (IL-2, IL-12, IFN-gamma, IFN-alpha) and Th2 (IL-6, IL-10) were measured by double antibody sandwich ELISA assay. RESULTS: Compared with model group of Sarcoma 180 ascitic tumor burdened mice,the level of IL-2 and IFN-gamma increased in PSE 2.0 g/kg group, but the IL-6 and IL-10 decreased in PSE 2.0 g/kg and 1.0 mg/kg groups. CONCLUSION: PSE has anti-tumor effect in vivo that could be related to the level variation of IL-2, IFN-gamma, IL-6 and IL-10 in tumor burdened mice.


Asunto(s)
Antineoplásicos Fitogénicos/farmacología , Cucurbitaceae/química , Citocinas/sangre , Extractos Vegetales/farmacología , Sarcoma 180/tratamiento farmacológico , Animales , Antineoplásicos Fitogénicos/uso terapéutico , Modelos Animales de Enfermedad , Ensayo de Inmunoadsorción Enzimática , Femenino , Interferón gamma/sangre , Interleucina-10/sangre , Interleucina-12/sangre , Interleucina-2/sangre , Interleucina-6/sangre , Masculino , Ratones , Extractos Vegetales/uso terapéutico , Distribución Aleatoria , Sarcoma 180/sangre , Sarcoma 180/inmunología , Células TH1/inmunología , Células TH1/metabolismo , Células Th2/inmunología , Células Th2/metabolismo
10.
Zhong Yao Cai ; 31(6): 873-7, 2008 Jun.
Artículo en Zh | MEDLINE | ID: mdl-18998573

RESUMEN

OBJECTIVE: To treat pulmonary fibrosis and study its mechanisms. METHODS: Choosing randomly 24 Wistar rats with normal sodium intratracheal injection as normal control group, the rests with heomycin A5 induced fibrosis were divided randomly into model group 24 as positive control, prednisone group 24, total hedysarum polybotyssaccharide (THPS) group 24, THPS and small dose prednisone group 24, and treated with different drugs. 6 rats of every group were put to death and observed pathological section, using imaging processing computer to quantitative analysis histomorphology, collagen, and transforming growth beta1, (TGF-beta1) on 7, 14, 30, 60 days. RESULTS: The group treated by THPS combination small dose prednisone showed up the most effects in the 3 treatment groups. CONCLUSION: THPS combination small dose prednisone to treat pulmonary fibrosis of rats is better than classic ways and its efficacy of inhibition TGF-beta1 may be a mechanism.


Asunto(s)
Medicamentos Herbarios Chinos/farmacología , Fabaceae/química , Polisacáridos/farmacología , Fibrosis Pulmonar/patología , Factor de Crecimiento Transformador beta1/metabolismo , Animales , Bleomicina , Colágeno/metabolismo , Modelos Animales de Enfermedad , Medicamentos Herbarios Chinos/uso terapéutico , Femenino , Inmunohistoquímica , Pulmón/efectos de los fármacos , Pulmón/metabolismo , Pulmón/patología , Polisacáridos/administración & dosificación , Polisacáridos/uso terapéutico , Prednisolona/administración & dosificación , Prednisolona/farmacología , Prednisolona/uso terapéutico , Fibrosis Pulmonar/inducido químicamente , Fibrosis Pulmonar/tratamiento farmacológico , Fibrosis Pulmonar/metabolismo , Distribución Aleatoria , Ratas , Ratas Wistar
11.
Eur J Pharmacol ; 821: 1-10, 2018 Feb 15.
Artículo en Inglés | MEDLINE | ID: mdl-29247613

RESUMEN

Lariciresinol (LA) is one of the main active ingredients in many traditional medicinal plants such as Patrinia, and has the role of anti-liver cancer. However, the precise mechanisms are unclear. This study investigated the molecular mechanisms of LA against HepG2 cells. LA anti-tumor activity was assessed with the CCK-8, Ki-67, and immunofluorescence staining. Cells apoptotic ratio was evaluated by Annexin V/PI double-staining assay. A proteomic approach was used to identify differentially expressed proteins after LA treatment. JC-1 staining was carried out to detect the mitochondrial membrane potential (ΔΨm), and the Western blot analysis was used to analyse the apoptosis-associated proteins. Our results suggested that LA significantly suppressed the viability of HepG2 cells. The CCK-8 and Ki-67 expression indicated dose-dependent decreases in cell proliferation. Flow cytometry analysis showed that LA exhibited a apoptosis-inducing effect. The proteomic study observed the presence of apoptosis-associated proteins and mitochondrial dysfunction in HepG2 cells after LA-treatment. Further analysis showed that LA could trigger the mitochondrial-mediated apoptosis pathway, based on a decrease in ΔΨm; deliver of cytochrome c; activation of caspase-9/-3 and poly(ADP-ribose) polymerase; and decrease of the proportion of Bcl-2/Bax. Collectively, our studies found that LA exhibits significant cytotoxic effects by inhibiting cell proliferation, inducing apoptosis, possibly via activation of the mitochondrial-mediated apoptosis pathway.


Asunto(s)
Proteínas Reguladoras de la Apoptosis/metabolismo , Apoptosis/efectos de los fármacos , Furanos/farmacología , Lignanos/farmacología , Potencial de la Membrana Mitocondrial/efectos de los fármacos , Mitocondrias/efectos de los fármacos , Proliferación Celular/efectos de los fármacos , Supervivencia Celular/efectos de los fármacos , Células Cultivadas , Células Hep G2 , Humanos , Mitocondrias/metabolismo , Proteómica , Transducción de Señal/efectos de los fármacos
12.
Biomed Pharmacother ; 105: 334-349, 2018 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-29864622

RESUMEN

Rosmarinic acid (RA), isolated from herbal balm mint plants, has demonstrated potent anti-tumor properties against liver cancer. However, the precise underlying mechanisms remain unclear. This study aimed to investigate the molecular mechanisms of RA in HepG2 cells. RA anti-tumor activity was assessed using 3-(4,5-dimethylthiazol-2-yl)2,5-diphenyl-tetrazolium bromide (MTT) and lactate dehydrogenase (LDH) assays, and Hoechst 33258 staining. Apoptosis and the cell cycle distribution were evaluated by flow cytometry. A proteomics approach was used to identify differentially expressed proteins following RA treatment in HepG2 cells, and quantitative reverse transcription-quantitative polymerase chain reaction was used to validate the results. Bioinformatics analysis was also implemented to further understand the identified proteins, and western blotting was used to analyze the associated proteins. Our results suggested that RA treatment significantly inhibits the viability of HepG2 cells. The MTT and LDH assays indicated dose-dependent decreases in cell proliferation following RA treatment. Hoechst 33258 staining and flow cytometry analysis showed that RA exhibits an apoptosis-inducing effect and induces cell cycle arrest in G1. The proteomics analysis successfully identified 16 differentially expressed proteins. Bioinformatics analysis indicated that the identified proteins participated in several biological processes and exhibited various molecular functions, mainly related to inactivation of the glycolytic pathway. Further western blotting analysis showed that RA could downregulate the expression of glucose transporter-1 and hexokinase-2, leading to the suppression of glucose consumption and generation of lactate and ATP. Taken together, our study found that RA exhibits significant cytotoxic effects by inhibiting cell proliferation and inducing apoptosis and cell cycle arrest, possibly by blocking the glycolytic pathway in human HepG2 cells.


Asunto(s)
Cinamatos/farmacología , Depsidos/farmacología , Glucólisis/efectos de los fármacos , Proteómica/métodos , Secuencia de Aminoácidos , Apoptosis/efectos de los fármacos , Ciclo Celular/efectos de los fármacos , Proliferación Celular/efectos de los fármacos , Cinamatos/química , Biología Computacional , Depsidos/química , Electroforesis en Gel Bidimensional , Regulación Neoplásica de la Expresión Génica/efectos de los fármacos , Células Hep G2 , Humanos , Procesamiento de Imagen Asistido por Computador , Modelos Biológicos , Péptidos/química , Mapas de Interacción de Proteínas , ARN Mensajero/genética , ARN Mensajero/metabolismo , Reproducibilidad de los Resultados , Transducción de Señal/efectos de los fármacos , Espectrometría de Masa por Láser de Matriz Asistida de Ionización Desorción , Coloración y Etiquetado , Ácido Rosmarínico
13.
Front Pharmacol ; 9: 1525, 2018.
Artículo en Inglés | MEDLINE | ID: mdl-30670971

RESUMEN

ß-sitosterol (BS), a major bioactive constituent present in plants, has shown potent anti-cancer activity against many human cancer cells, but its activity in pancreatic cancer (PC) cells has rarely been reported. Gemcitabine (GEM) is one of the first-line drugs for PC therapy, however, the treatment effect is not sustained due to prolonged drug resistance. In this study, we firstly studied the anti-PC activity and the mechanism of BS alone and in combination with GEM in vitro and in vivo. BS effectively inhibited the growth of PC cell lines by inhibiting proliferation, inducing G0/G1 phase arrest and apoptosis, suppressed the NF- kB activity, and increased expression of the protein Bax but decreased expression of the protein Bcl-2. Moreover, BS inhibited migration and invasion and downregulated epithelial-mesenchymal transition (EMT) markers and AKT/GSK-3ß signaling pathways. Furthermore, the combination of BS and GEM exhibited a significant synergistic effect in MIAPaCa-2 and BXPC-3 cells. More importantly, the combined treatment with BS and GEM lead to significant growth inhibition of PC xenografts. Overall, our data revealed a promising treatment option for PC by the combination therapy of BS and GEM.

14.
World J Gastroenterol ; 13(32): 4360-4, 2007 Aug 28.
Artículo en Inglés | MEDLINE | ID: mdl-17708612

RESUMEN

AIM: To investigate the effects of Fuzheng Yiliu granules (body-resistance strengthening and tumor-suppressing granules) in patients with esophageal carcinoma. METHODS: We compared the immune adherent properties of red blood cells (RBCs), the expression of metastasis protein CD44, and the metastasis inhibition factor nm23, in esophageal carcinoma tumor cells of patients before and after radiotherapy in the presence and absence of orally administered Fuzheng Yiliu granules. Sixty-three hospitalized patients with esophageal carcinoma were treated with standard radiotherapy and randomly divided into treatment group (n = 30) treated with both radiotherapy and Fuzheng Yiliu granules and control group (n = 33) given radiotherapy only. Blood samples and tumor tissue were obtained before and after 21 d of treatment. The rosette rates for complement receptor type 3b (C3bRR) and immune complex receptor (ICRR) on RBCs were measured by erythrocyte immunological methods. Expression of CD44 and nm23 in tumor tissue sections was determined by immunohistochemical staining with monoclonal antibodies CD44v6 ad nm23H-1, respectively. RESULTS: The positivity of RBC-C3bRR before and after 21 d of treatment increased from 7.78% +/- 1.59% to 10.03% +/- 2.01% in the double treatment group, while it changed only slightly from 7.18% +/- 1.29% to 7.46% +/- 1.12% in the radiotherapy group. The positive rate for RBC-ICRR decreased from 37.68% +/- 2.51% to 22.55% +/- 1.65% after the double treatment, and from 37.28% +/- 2.41% to 24.69% +/- 1.91% in radiotherapy group at the same time points. The difference in erythrocyte immune adherent function between the two groups was significant (P < 0.01, t-test). The CD44(+)-cases were reduced from 21 (70.00%) to 12 (40.00%) after treatment with Fuzheng Yiliu granules, whereas the CD44(+)-cases (69.70%) in the radiotherapy group remained unchanged. The difference between the treatment (40.00%) and control (69.70%) groups was significant (P < 0.05). Although the nm23(+)-cases were increased from 4 (13.33%) to 6 (20.00%) in the double treatment group and from 6 (18.18%) to 7 (21.21%) in the radiotherapy group, the difference was not significant (P > 0.05). CONCLUSION: Fuzheng Yiliu granules enhance the immune adhesion function of RBCs and reduce the number of CD44(+)-cells in esophageal carcinoma patients, suggesting a potential role of these Chinese herbals in suppression of invasion and metastasis of malignant cells. However, this anti-metastatic effect has yet to be validated in vivo.


Asunto(s)
Carcinoma/inmunología , Medicamentos Herbarios Chinos/farmacología , Eritrocitos/efectos de los fármacos , Neoplasias Esofágicas/inmunología , Receptores de Hialuranos/metabolismo , Medicina Tradicional China/métodos , Anciano , Carcinoma/patología , Carcinoma/radioterapia , Adhesión Celular/efectos de los fármacos , Terapia Combinada , Progresión de la Enfermedad , Eritrocitos/patología , Neoplasias Esofágicas/patología , Neoplasias Esofágicas/radioterapia , Femenino , Regulación Neoplásica de la Expresión Génica , Humanos , Masculino , Persona de Mediana Edad , Metástasis de la Neoplasia
15.
Zhongguo Zhong Xi Yi Jie He Za Zhi ; 27(4): 343-6, 2007 Apr.
Artículo en Zh | MEDLINE | ID: mdl-17526176

RESUMEN

OBJECTIVE: To observe the effect of traditional Chinese herbs Fuzheng Yiliu Granule (FYG)-contained serum from tumor bearing mice on apoptotic rate, free radicals content and mitochondrial membrane potential of hepatoma cell lines H22 in vitro. METHODS: The effect of FYG drug-serum on apoptosis of hepatoma cell line H22 was determined using flow cytometry. The changes of DNA RNA, free radicals and mitochondrial membrane potential (delta psi m) in H22 cell were detected through laser scanning confocal microscope. RESULTS: FYG-contained serum can induce the apoptosis of H22 cell, enhance the free radicals content, and reduce the content of DNA RNA and delta psi m of H22 cell in vitro. CONCLUSION: The apoptosis of hepatoma cell line H22 induced by FYG is probably correlated to the change of free radicals content and delta psi m.


Asunto(s)
Antineoplásicos Fitogénicos/farmacología , Apoptosis/efectos de los fármacos , Medicamentos Herbarios Chinos/farmacología , Neoplasias Hepáticas Experimentales/patología , Potencial de la Membrana Mitocondrial/efectos de los fármacos , Animales , Línea Celular Tumoral , Citometría de Flujo , Radicales Libres/metabolismo , Neoplasias Hepáticas Experimentales/sangre , Neoplasias Hepáticas Experimentales/metabolismo , Ratones , Microscopía Confocal , Suero
16.
Zhongguo Zhong Xi Yi Jie He Za Zhi ; 27(8): 732-5, 2007 Aug.
Artículo en Zh | MEDLINE | ID: mdl-17879540

RESUMEN

OBJECTIVE: To study the erythrocyte immuno-regulatory effect of Patrinia scabra Bunge extracts extracted by macroporous adsorptive resins in tumor bearing mice. METHODS: Patrinia scabra Bunge was extracted by macroporous adsorptive resins, and the amount of polysaccharides and saponins in the extract were determined. Mice bearing S180 tumor were treated with the extract and their survival prolongation rate, erythrocyte rosette formation rates of C3b receptor (ERR-CR), immune complex (ERR-IC) and tumor cell (ERR-TC), as well as the CD35 and CD44s were observed. RESULTS: Polysaccharide content was 21.4%, saponin 41.8% in the extract. As compared with the model group, the survival rate was increased, the erythrocyte immune function was improved (showed increase of ERR-CR and ERR-TC, decrease of ERR-IC), and the amount of CD35 and CD44s in red blood cell membrane increased in mice after being treated with the extract (P < 0.05 or P < 0.01). CONCLUSION: Extract of Patrinia scabra Bunge extracted by macroporous adsorptive resins can regulate the erythrocyte immune function to a certain extent.


Asunto(s)
Antineoplásicos Fitogénicos/uso terapéutico , Medicamentos Herbarios Chinos/uso terapéutico , Eritrocitos/efectos de los fármacos , Patrinia/química , Sarcoma 180/tratamiento farmacológico , Adsorción , Animales , Eritrocitos/citología , Eritrocitos/inmunología , Femenino , Masculino , Ratones , Extractos Vegetales/química , Extractos Vegetales/uso terapéutico , Receptores de Complemento 3b/inmunología , Resinas Sintéticas/química , Formación de Roseta , Sarcoma 180/inmunología
17.
Zhong Yao Cai ; 30(5): 595-7, 2007 May.
Artículo en Zh | MEDLINE | ID: mdl-17727069

RESUMEN

OBJECTIVE: To optimize the conditions for the extraction of Patrinia scabra Bunge saponins. METHODS: Orthogonal experimental design and ultrasonic method were employed to examine the conditions for the extraction by determination of saponins. RESULTS: The optimun condition for the extraction of Patrinia scabra Bunge saponins was as follows: 65% ethanol for 40 minutes, 55 degrees C and 210 watt of ultrasonic efficinecy. CONCLUSION: The extraction method of Patrinia scabra Bunge sponins is simple and efficient.


Asunto(s)
Patrinia/química , Plantas Medicinales/química , Saponinas/aislamiento & purificación , Tecnología Farmacéutica/métodos , Análisis de Varianza , Etanol/química , Reproducibilidad de los Resultados , Saponinas/análisis , Tecnología Farmacéutica/instrumentación , Temperatura , Factores de Tiempo , Ultrasonido
18.
Zhong Yao Cai ; 30(12): 1548-51, 2007 Dec.
Artículo en Zh | MEDLINE | ID: mdl-18422188

RESUMEN

OBJECTIVE: to study depressant effect of total hedysarum polybotys saccharids (THPS) on S180 tumor-bearing-mice and its mechanisms. METHODS: THPS was extracted from Radix Xedysari with water and precipitated with ethanol, determining its molecular weight, purity, saccharide and aldonic acid content. 90 Kunming mice were divided into 9 groups randomly. One group was the normal group, the others were divided into 8 groups randomly after inculating S180 tumors and were treated with THPS and THPS combination cyclophosphamide (CY) in low, moderate and high dose, to put them to death after 14 days. To determine every tumor weight, the rate of depressant tumor, the contents of IL-2 and TNF-alpha with ELISA, and NF-kappaB with immunochemistry. RESULTS: The moderate dose THPS conspicuously possessed a depressant effect on S180 tumor and joint action with combination CY and increased the contents of IL-2, TNF-alpha and NF-kappaB of mice. CONCLUSION: THPS of moderate dose possesses a depressant effect on S180 tumor through increasing the contents of IL-2, TNF-alpha and NF-kappaB of mice.


Asunto(s)
Antineoplásicos Fitogénicos/farmacología , Fabaceae/química , Polisacáridos/farmacología , Sarcoma 180/prevención & control , Animales , Antineoplásicos Fitogénicos/administración & dosificación , Antineoplásicos Fitogénicos/química , Línea Celular Tumoral , Ciclofosfamida/administración & dosificación , Ciclofosfamida/farmacología , Ensayo de Inmunoadsorción Enzimática , Femenino , Inmunohistoquímica , Interleucina-2/sangre , Masculino , Ratones , FN-kappa B/metabolismo , Trasplante de Neoplasias , Raíces de Plantas/química , Plantas Medicinales/química , Polisacáridos/administración & dosificación , Polisacáridos/química , Sarcoma 180/metabolismo , Sarcoma 180/patología , Factor de Necrosis Tumoral alfa/sangre
19.
Zhong Yao Cai ; 30(11): 1414-7, 2007 Nov.
Artículo en Zh | MEDLINE | ID: mdl-18323212

RESUMEN

OBJECTIVE: To research the erythrocyte immunoregulation effects of Patrinia scabra extracts by macroporous adsorptive resins on mice burdened transplanted tumor. METHODS: Extracts of Patrinia scabra Bunge were separated by macroporous adsorptive resins, ingredients were analysised. Mice burdened transplanted tumor were given extracted drugs. Life prolongation rate was observed, erythrocyte immunologic function and the CD35, CD44s contents of red blood cell were evaluated. RESULTS: Polysaccharide and saponin accounted for 8.4% and 48.4%. Extracts could porolong life expectancy of mice, improve erythrocyte immunolgic function and increase the CD35 and CD44s contents of red blood cell. CONCLUSION: Extracts of Patrinia scabra Bunge by macroporous adsorptive resins have erythrocyte immunoregulation effects on mice burdened transplanted tumor.


Asunto(s)
Antineoplásicos Fitogénicos/farmacología , Eritrocitos/efectos de los fármacos , Patrinia/química , Sarcoma 180/prevención & control , Adsorción , Animales , Antineoplásicos Fitogénicos/aislamiento & purificación , Antineoplásicos Fitogénicos/uso terapéutico , Línea Celular Tumoral , Medicamentos Herbarios Chinos/aislamiento & purificación , Medicamentos Herbarios Chinos/farmacología , Medicamentos Herbarios Chinos/uso terapéutico , Eritrocitos/inmunología , Eritrocitos/metabolismo , Femenino , Receptores de Hialuranos/biosíntesis , Masculino , Ratones , Trasplante de Neoplasias , Plantas Medicinales/química , Polisacáridos/análisis , Distribución Aleatoria , Receptores de Complemento 3b/biosíntesis , Resinas Sintéticas/química , Saponinas/análisis , Sarcoma 180/sangre , Sarcoma 180/patología , Análisis de Supervivencia
20.
Chin J Integr Med ; 23(2): 125-131, 2017 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-27299463

RESUMEN

OBJECTIVE: To evaluate the cytotoxic effects of ampelopsin sodium (Amp-Na) and carboplatin (CBP) used alone or in combination on human non-small cell lung cancer (NSCLC) cells SPC-A1 in vitro and its related mechanism. METHODS: Cytotoxic effects were assessed by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assays. The synergistic effects of the drugs were calculated with coefficient of drug interaction (CDI). Cell cycle was determined by flow cytometry (FCM). The levels of p53, p21, cyclinE, cyclinD1, and phosphorylated cyclin-dependent kinase-2 (p-CDK2) were evaluated by Western blot. RESULTS: Amp-Na (6.25-200 µg/mL) and CBP (3.13-100 µg/mL) alone exhibited prominent cytotoxic activity in a concentration-dependent manner on SPC-A1 cells with 50% inhibitive concentration values of 57.07±14.46 and 34.97±6.30 µg/mL, respectively. Drug combinations were associated with significantly higher cytotoxic effects than each drug alone (P<0.05 or 0.01). The CDI analysis confirmed the synergy of Amp-Na and CBP on inhibiting cancer cell viability across a wide concentration range (CDI <1). FCM and Western blot showed that synergistic cytotoxic effects of Amp-Na and CBP were related to G1 arrested which mainlym ediated by p 21 through the inhibition of CDK2 activity independent of the p53 tumor suppressor pathway. CONCLUSIONS: Amp-Na exhibits anticancer activities and enhances the antitumor activities of CBP through up-regulation of p21 and inhibition of CDK2 activity in human NSCLC cells SPC-A1. These results suggest that Amp-Na may be applied to enhance the anticancer action of CBP.


Asunto(s)
Carboplatino/farmacología , Carcinoma de Pulmón de Células no Pequeñas/tratamiento farmacológico , Ciclo Celular/efectos de los fármacos , Flavonoides/farmacología , Neoplasias Pulmonares/tratamiento farmacológico , Protocolos de Quimioterapia Combinada Antineoplásica/farmacología , Carboplatino/administración & dosificación , Carcinoma de Pulmón de Células no Pequeñas/patología , Línea Celular Tumoral , Proliferación Celular/efectos de los fármacos , Sinergismo Farmacológico , Flavonoides/administración & dosificación , Humanos , Neoplasias Pulmonares/patología
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