加巴喷丁对异氟烷镇痛和遗忘作用的影响  

Influence of gabapentin on the analgesia and amnesia of isoflurane in mice

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作  者:马涛[1] 张一肖[2] 宋致静[2] 田艳艳[2] 严涛[2] 邵翠杰[3] 王丹[1] 

机构地区:[1]徐州医学院麻醉药理学教研室,江苏徐州221002 [2]徐州医学院麻醉学院2007级 [3]徐州医学院麻醉学重点实验室

出  处:《徐州医学院学报》2012年第4期243-246,共4页Acta Academiae Medicinae Xuzhou

基  金:江苏省高校自然科学基础研究项目(09KJB320019);徐州医学院院长人才专项基金(09KJZ08)

摘  要:目的观察加巴喷丁(gabapemin。GBP)对异氟烷(isoflurane,Iso)镇痛和遗忘作用的影响。方法160只小鼠按分层随机区组设计分为镇痛组(热板法和甩尾法)和学习记忆组(避暗实验和跳台实验)2组,每种实验方法组又分为4个亚组:生理盐水组(Ns组,生理盐水灌胃,2h后腹腔注射生理盐水)、GBP组(G组,GBP25mg·kg“灌胃,2h后腹腔注射生理盐水)、ISO组(I组,生理盐水灌胃,2h后腹腔注射异氟烷)、GBP+ISO组(GI组,GBP25mg·kg^-1。灌胃,2h后腹腔注射异氟烷)组,每组10只。热板法和甩尾法观察各组小鼠痛阈值差异,避暗实验和跳台实验观察各组小鼠潜伏期和错误次数差异。结果在热板实验和甩尾实验中,与I组相比,GI组热板痛阈(painthresholdinhot—platetest,HPPT)或甩尾潜伏期(tail—flicklatency,TFL)延长(P〈0.05或P〈0.01);在避暗实验和跳台实验中,GBP+ISO组较NS组潜伏期缩短、错误次数增加(P〈0.05或P〈0.01),但较I组差异无统计学意义(P〉0.05)。结论加巴喷丁可增强异氟烷的镇痛作用,但25mg·kg。加巴喷丁灌胃对异氟烷遗忘作用无明显影响。Objective To observe the influence of gabapentin (GBP) on the analgesia and amnesia effects of isoflu- rane (ISO) on mice. Methods 160 mice were divided by a stratified randomized block design into analgesic experimen- tal group ( hot - plate test and hot water tail - flick test) and learning and memory experimental group ( step - throtlgh test and step- down test) and each test group was further divided into 4 subgroups (n = 10 each) : NS group, GBP (G) group, ISO (I) group, GBP + ISO (GI) group. Pain threshold in hot plate (HPPT), tail- flick latency (TFL) in tail flick test, step - through latency, step - down latency and error times in learning and memory experiments were observed. Results In hot - plate test and tail - flick test, compared with I group, the HPPT or TFL of GI group improved ( P 〈 0. 05 or P 〈0.01 ) ; in step -through test and step -down test, compared with NS group, the latency of GI group shortened and error times increased ( P 〈 0.05 or P 〈 0.01 ) but was not statistically significant compared with I group ( P 〉 0.05 ). Conclusion GBP can enhance the analgesic effects of ISO but 25 mg·kg-1 GBP by intragastric administration has no significant influence upon the amnesia effect of ISO on mice.

关 键 词:加巴喷丁 七氟烷 镇痛 热板法 甩尾法 学习记忆 遗忘 小鼠 

分 类 号:R614.2[医药卫生—麻醉学]

 

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