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1癌痛形成机制及模型研究进展显示文摘癌痛是一个复杂的病理学过程,同时也是临床上的一大难题。近年来,为了给临床上癌痛的治疗提供更可靠、有效的方法,研究者通过构建适当的动物模型进行对癌痛的机制和治疗的基础研究。目前,已经成功研究出几种癌痛动物模型,包括骨癌痛模型、皮肤癌痛模型、面癌痛、神经癌痛、内脏肿瘤牵扯痛模型及化疗药物引起的化疗痛。这些模型说明癌痛不同的药理学和神经化学。该文对不同的癌痛模型做一总结,为进一步的研究提供参考。王晶 胡卫 詹玲 万信念 焦良波 陈涛 2013安徽医药2013,17,8:5
2Effect of Salvia officinalis Hydroalcoholic Extract on Vincristine-induced Neuropathy in Mice显示文摘AIM:Vincristine is one of the most commonly used chemotherapeutic drugs to treat a variety of malignant diseases,including leukemia and lymphoma.Studies have shown that vincristine cause painful effects,whereas Salvia officinalis(SO) showed analgesic and anti-inflammatory effects.The aim of this study is to investigate the effects of the SO hydro-alcoholic extract on vincristine-induced peripheral neuropathy in mice in comparison with morphine.METHODS:Experiments were performed on 60 NMRI male mice weighing 25-30 g divided into six groups.The individual groups received normal saline,SO hydro-alcoholic extract,vincristine,SO hydro-alcoholic extract and vincristine(12 days before formalin test),morphine,and vincristine and morphine,respectively.The injected hind paw biting and licking was measured in a 5-minute interval for one hour.RESULTS:The results showed that formalin induce significant(P < 0.05) pain responses(the first phase:0-5 min and the second phase:15-40 min after injection).Administration of SO extract before formalin test showed significant(P < 0.05) decrease of pain response in the second phase.Administration of vincristine caused significant(P < 0.05) increase in the second phase of pain response.Injections of SO extract and vincristine showed that SO significantly(P < 0.05) decrease the second phase of vincristine-induced pain.Morphine decreased vincristine-induced pain in the first and second phase of formalin test significantly(P < 0.05).In comparison,morphine showed analgesic effects in the first phase and SO extract showed significant(P < 0.05) anti-inflammatory effects in the second phase of formalin test.CONCLUSION:Both SO and vincristine showed analgesic and painful neuropathic effects,suggesting that SO extract could be useful in the treatment of vincristine-induced peripheral neuropathic pain.Ali Namvaran Abbas Abad Mir Hadi Khayate Nouri Farzaneh Tavakkoli 2011中国天然药物2011,9,5:3
3姜黄根提取物对甲氨蝶吟诱导的肠损伤及氧化应激的保护作用(英文)显示文摘AIM:The most important side effect of methotrexate(MTX)is mucositis.The purpose of this study was to evaluate the effect of turmeric extract on intestinal damage and oxidative stress in rats receiving methotrexate.METHODS:Experiments were performed on male Wistar albino rats divided into six groups.First group received normal saline orally,the second group received turmeric extract(100 mg·kg-1)orally for 30 days,the third group received turmeric extract(200 mg·kg)orally for 30 days,the fourth group received a single dose of methotrexate(20 mg·kg)i.p.at day 30,the fifth group received turmeric extract(100 mg·kg)orally for 30 days and a single dose of methotrexate(20 mg·kg)i.p.at day 30,and the sixth group received turmeric extract(200 mg·kg)orally for 30days and single dose of methotrexate(20 mg·kg)i.p.at day 30.Four days after methotrexate injection,animals were anesthetized,blood samples were taken to determine total antioxidant status(TAS)and jejunum samples were taken for glutathione peroxidase(GPx),superoxidase dismutase(SOD),catalase(CAT),aldehyde malondialdehyde(MDA),and histopathological assessment.RESULTS: Microscopic evaluation from intestinal tissues of the MTX treated group,showed severe villus shortening and blunting,inflammatory cell infiltration and hemorrhage in lamina propria,along with epithlial cell necrosis.Levels of SOD,GSH-Px and CAT decreased in the MTX received group,but increased significantly(P<0.05)in the turmeric+MTX groups.MTX increased lipid peroxidation,however,turmeric decreased peroxidation significantly(P<0.05).CONCLUSION:These results suggest that turmeric extract may protect the small intestine of rats from methotrexate-induced damage.Turmeric effects could result from its antioxidant properties.Adel Rezaei Moghadam Daryoush Mohajeri Ali Namvaran-Abbas-Abad Hamed Manafi Delavar Shahi Mohammad Mazani 2013中国天然药物2013,11,5:0
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