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《慢性憤怒應(yīng)激對(duì)腦老化大鼠學(xué)習(xí)記憶及血漿單胺類神經(jīng)遞質(zhì)的影響.pdf》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。
1、中華中醫(yī)藥雜志(原中國(guó)醫(yī)藥學(xué)~)2013年l1月第28卷第l1期CJTCMP,November2013,Vo1.28,No.11·論著·慢性憤怒應(yīng)激對(duì)腦老化大鼠學(xué)習(xí)記憶及血漿單胺類神經(jīng)遞質(zhì)的影響劉勝利,詹向紅,李偉,王淑玲,趙君玫,王友杰,劉高建,王慧霞(河南中醫(yī)學(xué)院,鄭州450008;zj州大學(xué)醫(yī)學(xué)院,鄭州450001)摘要:目的:探討慢性憤怒應(yīng)激對(duì)大鼠腦老化進(jìn)程及血漿單胺類神經(jīng)遞質(zhì)水平的影響。方法:在D一半乳糖(D—ga1)衰老及腦老化模型基礎(chǔ)上引入憤怒刺激,用Morris水迷宮實(shí)驗(yàn)觀察慢性
2、憤怒應(yīng)激對(duì)大鼠空間學(xué)習(xí)記憶能力的影響,并測(cè)定血漿中單胺類神經(jīng)遞質(zhì)去甲腎上腺素(NE)、5-羥色胺(5.HT)、多巴胺(DA)的含量。結(jié)果:與模型組比較,憤怒應(yīng)激組大鼠空間學(xué)習(xí)記憶能力明顯下降,血漿NE、DA升高,5一HT降低。結(jié)論:慢性憤怒應(yīng)激加重D—gal大鼠腦老化程度,加速衰老進(jìn)程;單胺類神經(jīng)遞質(zhì)紊亂可能是其發(fā)生的機(jī)制之一。關(guān)鍵詞:憤怒應(yīng)激;腦老化;單胺類神經(jīng)遞質(zhì)基金資助:國(guó)家自然科學(xué)基金(No.30772686,No.30973695)Effectsofchronicangerstress
3、onlearningandmemoryandplasmamonoamineneurotransmittersofratswithbrainagingLIUSheng—li,ZHANXiang.hong,LIWei,WANGShu.1ing,ZHAOJun.mei,wANGYou-jie,LIUGao-jian,WANGHui—xia(HenanUniversityofTCM,Zhengzhou450008,China;MedicineCollegeofZhengzhouUniversity,Zh
4、engzhou450001,China)Abstract:Objective:Todiscusstheeffectsofchronicangerstressonrats’brainagingprogressandconcentrationofplasmamonoamineneurotransmitters.Methods:InducedangerstimulationafterbuildingD—galagingandbrainagingmodel,weobservedtheeffectsofc
5、~onicangerstressonthespatiallearningandmemoryofratsbyMomswatermaze,andmeasuredthecontentsofplasmamonoamineneurotransmitters:norepinephrine(NE),5-hydroxytryp—tamine(5-HT),dopamine(DA).Results:Comparedwiththemodelgroup,therats’spatiallearningandmemoryi
6、ntheangrystressgroupdecreasedobviously,thecontentsofNEandDAinplasmaintheangrystressgroupincreased,thecontentsof5-HTdecreased.Conclusion:Therats’brainagingwasaggravatedbychronicangerstress,theagingwasaccelerated;therat’smonoamineneurotransmittersdisor
7、dermaybeoneofthemechanisms.Keywords:Angerstress;Brainaging;MonoamineneurotransmittersFundassistance:NationalNaturalScienceFoundationofChina(No.30772686,No.30973695)伴隨生活節(jié)奏加快,社會(huì)競(jìng)爭(zhēng)日趨激烈,人們感化進(jìn)程究竟有何影響?其機(jī)制如何?本研究借助動(dòng)受到越來越多的緊張刺激,由此引發(fā)的情緒問題日物實(shí)驗(yàn)探討慢性憤怒應(yīng)激對(duì)大鼠腦老化進(jìn)程的影
8、響益增多。憤怒是負(fù)性情緒的核心l】],與健康和疾病的及其部分神經(jīng)內(nèi)分泌機(jī)制。關(guān)系極為密切,有國(guó)外學(xué)者指出【2】,具有憤怒傾向的材料與方法人群更易出現(xiàn)負(fù)面健康問題。中醫(yī)認(rèn)為,肝主疏泄,1.動(dòng)物及分組Wistar雄性大鼠56只,SPF在志為怒,怒傷肝,長(zhǎng)期或劇烈的憤怒情緒會(huì)阻礙級(jí),3月齡,購(gòu)于北京維通利華實(shí)驗(yàn)動(dòng)物技術(shù)有限肝疏泄氣機(jī)的功能,使氣機(jī)逆亂。頭為諸陽之會(huì),五公司,合格證號(hào):SCXK(京)2006—0009,體質(zhì)量為臟精華之血,六腑清陽之氣皆匯聚于腦,方有神明之(360±lo)g。在河南省食品