宋雨菊 桑鋒
[摘要] 目的 觀察更年滋腎湯合玉女酥對(duì)雌性去勢(shì)大鼠性激素E2、FSH、LH、及神經(jīng)遞質(zhì)5-HT、5-HTAA的影響,探討藥食合用對(duì)圍絕經(jīng)期綜合征的療效及作用機(jī)制。方法 2015年10月—2016年4月,選取上海斯萊克實(shí)驗(yàn)動(dòng)物中心健康、12周齡、雌性未孕SD大鼠60只,隨機(jī)分為正常對(duì)照組、模型組、中藥(更年滋腎湯)組、食療(玉女酥)組、藥食合用組,每組12只。給藥(食)6周后,檢測(cè)指標(biāo):下丘腦、垂體、子宮、胸腺、脾臟重量系數(shù)變化;血清中E2、FSH、LH的含量變化;下丘腦5-HT和5-HTAA的含量變化。 結(jié)果 ①臟器重量系數(shù):下丘腦、垂體各組間差異無(wú)統(tǒng)計(jì)學(xué)意義;子宮模型組(62.19±11.4)明顯低于對(duì)照組(149.60±8.23),藥食合用組(100.35±9.29)顯著高于模型組;胸腺模型組(89.36±7.48)明顯低于對(duì)照組(121.67±12.01),藥食合用組(115.72±12.57)顯著高于模型組;脾臟模型組(314.48±38.54)明顯低于對(duì)照組(357.57±35.87),藥食合用組(350.57±29.76)顯著高于模型組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。②血清性激素水平:E2含量,模型組(9.46±1.05)pg/mL明顯低于對(duì)照組(13.97±1.14)pg/mL,中藥組(12.94±1.73)pg/mL、食療組(11.03±2.05)pg/mL、藥食合用組(13.15±2.17)pg/mL均高于模型組(P<0.05);FSH含量,模型組(7.46±1.05)mIU/mL明顯高于對(duì)照組(3.26±0.17)mIU/mL,中藥組(4.34±0.73)mIU/mL和藥食合用組(3.15±2.17)mIU/mL明顯低于模型組(P<0.05,P<0.01);LH含量,模型組(13.07±1.05)mIU/mL明顯高于對(duì)照組(7.74±1.12)mIU/mL,中藥組(9.86±1.52)mIU/mL和藥食合用組(7.83±1.07)mIU/mL明顯低于模型組(P<0.05,P<0.01)。③5-HT水平,模型組(0.742±0.067)μg/g明顯高于對(duì)照組(0.228±0.034)μg/g,中藥組(0.357±0.043)μg/g、藥食合用組(0.235±2.28)μg/g明顯低于模型組(P<0.05,P<0.01);5-HTAA水平,模型組(3.986±0.520)μg/g明顯高于對(duì)照組(1.109±0.230)μg/g,中藥組(1.553±0.310)μg/g、藥食合用組(1.211±0.270)μg/g明顯低于模型組(P<0.05,P<0.01)。結(jié)論 更年滋腎湯合玉女酥可通過(guò)影響雌性去勢(shì)大鼠性激素及神經(jīng)遞質(zhì)的含量,調(diào)節(jié)下丘腦-垂體-性腺軸功能,從而改善圍絕經(jīng)期綜合征,藥食合用可發(fā)揮更好的效果。
[關(guān)鍵詞] 圍絕經(jīng)期綜合征;下丘腦-垂體-性腺軸;更年滋腎湯合玉女酥
[中圖分類(lèi)號(hào)] R4 [文獻(xiàn)標(biāo)識(shí)碼] A [文章編號(hào)] 1674-0742(2017)07(c)-0005-04
[Abstract] Objective To observe the effect of menopause zishen tang and yunvshu on the sex hormones E2,F(xiàn)SH,LH and neurotransmitter 5-HT,5-HTAA of female gonadectomy rats and study the curative effect and function mechanism of medicine and food on the perimenopausal syndrome. Methods 60 cases of female un-pregnancy SD rats aged 12 weeks in the Shanghai Slrc Experimental Animal Center from October 2015 to April 2016 were selected and randomly divided into the normal control group, model group, TCM group, food therapy group and combined medicine and food group with 12 cases in each, after 6-week administration, the changes of weight of the hypothalamus, pituitary, uterus, thymus and spleen coefficient, changes of serum E2,F(xiàn)SH,LH contents and changes of contents of hypothalamus 5-HT and 5-HTAA were tested. Results The viscera weight coefficient: there were no obvious differences in the hypothalamus pituitary between groups, and the index in the uterus model group was obviously lower than that in the control group[(62.19±11.4) vs (149.60±8.23)], and the index in the combined group was obviously higher than that in the model group, which was (100.35±9.29), and the index in the thymus model group was obviously lower than that in the control group[(89.36±7.48) vs (121.67±12.01)], and the index in the combined group was (115.72±12.57), which was obviously higher than that in the model group, and the spleen model group was obviously lower than that in the control group, [(314.48±38.54) vs (357.57±35.87)], and the combined group was (350.57±29.76), which was obviously higher than that in the model group, and the differences were statistically significant(P<0.05), and the serum sex hormone level: E2 content in the model group was obviously lower than that in the control group[(9.46±1.05)pg/mL vs (13.97±1.14)pg/mL], and the index in the TCM group, food therapy group and combined group were respectively (12.94±1.73)pg/mL, (11.03±2.05)pg/mL and (13.15±2.17)pg/mL, which was higher than that in the model group(P<0.05), and the FSH content in the model group was obviously higher than that in the control group, [(7.46±1.05)mIU/L vs (3.26±0.17)mIU/L], and the index in the TCM group and combined group was respectively (4.34±0.73)mIU/L and (3.15±2.17)mIU/L, which was obviously lower than that in the model group(P<0.05,P<0.01), and the LH content in the model group was obviously higher than that in the control group, [(13.07±1.05)mIU/L vs (7.74±1.12)mIU/L], and the index in the TCM group and combined group was respectively (9.86±1.52)mIU/L and (7.83±1.07)mIU/L, which was obviously lower than that in the model group(P<0.05,P<0.01), and the 5-HT level in the model group was obviously higher than that in the control group[(0.742±0.067)μg/g vs(0.228±0.034)μg/g], and the index in the TCM group and combined group was respectively(0.357±0.043)μg/g and (0.235±2.28)μg/g, which was obviously lower than that in the model group(P<0.05,P<0.01), and the 5-HTAA level in the model group was obviously higher than that in the control group,[(3.986±0.520)μg/g vs(1.109±0.230)μg/g], and the index in the TCM group and combined group was respectively (1.553±0.310)μg/g and(1.211±0.270)μg/g, which was obviously lower than that in the control group(P<0.05,P<0.01). Conclusion The menopause zishen tang and yunvshu can adjust the hypothalamus-pituitary-gonadal axis function by affecting the hormone and neurotransmitter of female gonadectomy rats thus improving the perimenopausal syndrome and the combination of medicine and food can give play to a better effect.endprint
[Key words] Perimenopausal syndrome; Hypothalamus-pituitary-gonadal axis; Menopause zishen tang and yunvshu
圍絕經(jīng)期綜合征是婦女在絕經(jīng)前后由于卵巢功能減退,雌激素水平下降所致的以植物神經(jīng)系統(tǒng)功能紊亂為主、伴有神經(jīng)心理癥狀的一組癥候群,極大地影響了其身心健康、工作和家庭生活質(zhì)量[1-3]。現(xiàn)代醫(yī)學(xué)認(rèn)為圍絕經(jīng)期綜合征的發(fā)生,其病理機(jī)制除與內(nèi)分泌失調(diào)有關(guān)外,還與神經(jīng)、免疫系統(tǒng)的功能改變密切相關(guān)。中醫(yī)藥治療圍絕經(jīng)期綜合征有著悠久歷史,療效好、不良反應(yīng)小,有著獨(dú)特優(yōu)勢(shì)[4]。2015年10月—2016年4月,該研究選取上海斯萊克實(shí)驗(yàn)動(dòng)物中心健康、12周齡、雌性未孕SD大鼠60只,選擇治療圍絕經(jīng)期綜合征的中醫(yī)經(jīng)驗(yàn)方更年滋腎湯,結(jié)合食療古方玉女酥,觀察藥食同用對(duì)圍絕經(jīng)期綜合征動(dòng)物模型下丘腦-垂體-性腺軸的影響,為圍絕經(jīng)期綜合征的預(yù)防、治療及康復(fù)提供更多的理論和實(shí)驗(yàn)依據(jù),現(xiàn)報(bào)道如下。
1 對(duì)象與方法
1.1 實(shí)驗(yàn)對(duì)象
健康12周齡雌性未孕SD大鼠,清潔級(jí),體重(250±10)g,由上海斯萊克實(shí)驗(yàn)動(dòng)物中心提供。實(shí)驗(yàn)前于動(dòng)物房適應(yīng)性喂養(yǎng)1周,室溫18~22℃,相對(duì)濕度65%。
1.2 實(shí)驗(yàn)藥物與試劑
更年滋腎湯:仙茅、仙靈脾、巴戟天、炒黃柏、炒知母、補(bǔ)骨脂、當(dāng)歸、制附子、生熟地、炙升麻、制黃精、炒棗仁。藥物及其水煎劑均由北京同仁堂提供。玉女酥:花生、紅棗、黃豆等量,連皮磨成粉,充分拌勻后混入鼠飼料中 (其中玉女酥占50%)。E2、FSH、LH ELISA檢測(cè)試劑盒,購(gòu)自上海索寶科技有限公司。5-HT、5-HTAA標(biāo)準(zhǔn)品均購(gòu)自美國(guó) SIGMA 公司。
1.3 模型建立
去除雙側(cè)卵巢法制備圍絕經(jīng)期大鼠模型[5],陰道涂片法觀察動(dòng)情周期,陰道脫落細(xì)胞角化指數(shù)<50%且無(wú)動(dòng)情周期性變化(符合更年期特征)者為造模成功大鼠。對(duì)照組大鼠手術(shù)暴露卵巢但不切除,然后雙層縫合手術(shù)傷口。
1.4 分組與給藥(食)
60只大鼠隨機(jī)分為:對(duì)照組、模型組、中藥組、食療組、藥食合用組。對(duì)照組和模型組灌胃生理鹽水,食療組按正常食量喂以含玉女酥的飼料,中藥組灌胃更年滋腎湯水煎液,藥食合用組用更年滋腎湯灌胃的同時(shí)喂以含玉女酥的飼料。以上各組動(dòng)物均連續(xù)給藥(食)6周后,禁食取材。
1.5 指標(biāo)檢測(cè)
用藥結(jié)束后,取材,檢測(cè)如下指標(biāo):①取出下丘腦、垂體、子宮、胸腺、脾臟,除盡脂肪等附屬組織,稱(chēng)取各臟器濕重,換算成臟器重量系數(shù)(臟器重量(mg)/體重(g)×100,即每100 g體重的mg數(shù))。②Elisa法檢測(cè)大鼠血清 LH、FSH、E2的含量。③參照文獻(xiàn)[5-6],檢測(cè)下丘腦神經(jīng)遞質(zhì)5-HT和5-HTAA含量。
1.6 統(tǒng)計(jì)方法
數(shù)據(jù)采用SPSS 17.0統(tǒng)計(jì)學(xué)軟件分析。所有數(shù)據(jù)結(jié)果均為計(jì)量資料,以均數(shù)±標(biāo)準(zhǔn)差(x±s)表示,組間比較采用單因素方差分析(one-way ANOVA),兩組間比較采用t-檢驗(yàn),P<0.05為差異有統(tǒng)計(jì)學(xué)意義。
2 結(jié)果
2.1 各組大鼠下丘腦、垂體、子宮、胸腺、脾臟重量系數(shù)的變化
結(jié)果顯示,下丘腦、垂體各組間差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05);子宮、脾臟重量系數(shù)模型組顯著低于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.01);各用藥組均高于模型組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05),其中藥食合用組最為明顯(P<0.01)。胸腺重量系數(shù)模型組顯著低于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義 (P<0.05),與模型組比較,中藥組、藥食合用組胸腺重量系數(shù)明顯升高,差異有統(tǒng)計(jì)學(xué)意義 (P<0.05)。見(jiàn)表1。
2.2 各組大鼠血清中性激素E2、LH、FSH水平變化
結(jié)果顯示,與正常組比較,模型組大鼠血清E2含量明顯下降(P<0.05);與模型組比較,中藥組、食療組、藥食合用組大鼠血清E2明顯升高(P<0.05)。與正常組比較,模型組大鼠血清FSH、LH含量顯著升高(P<0.01);與模型組比較,中藥組、藥食合用組大鼠血清FSH、LH顯著降低(P<0.05,P<0.01)。見(jiàn)表2。
2.3 各組大鼠下丘腦神經(jīng)遞質(zhì)5-HT和5-HTAA水平變化
結(jié)果顯示,與正常組比較,模型組大鼠下丘腦組織5-HT、5-HTAA含量明顯升高,差異有統(tǒng)計(jì)學(xué)意義(P<0.01);與模型組比較,中藥組、藥食合用組下丘腦組織5-HT、5-HTAA顯著降低,差異有統(tǒng)計(jì)學(xué)意義(P<0.05,P<0.01)。見(jiàn)表3。
3 討論
中醫(yī)認(rèn)為腎為人體先天之本,元?dú)庵?,腎氣的盛衰關(guān)系著人體的生長(zhǎng)、發(fā)育、生殖等變化。婦女圍絕經(jīng)期,腎氣漸衰,天癸將竭,沖任二脈隨之虧虛,腎虛是圍絕經(jīng)期綜合征的根本病機(jī),根據(jù)中醫(yī)治病求本的原則采用的基本治法是以補(bǔ)腎為根本,使腎之陰陽(yáng)趨于平衡[7-8]。更年滋腎湯在著名古方二仙湯的基礎(chǔ)上加減化裁而成,方中淫羊藿、仙茅為君藥,巴戟天、黃柏、知母、生地、熟地、補(bǔ)骨脂、制附子為臣藥,當(dāng)歸、升麻、黃精、炒酸棗共為佐使藥。諸藥合用,共奏溫補(bǔ)腎陽(yáng)、滋陰降火之功。玉女酥出于清代“玉女補(bǔ)乳酥”,由黃豆、花生、紅棗等量組成。食療與藥物治療相結(jié)合,相得益彰,藥借食威,食助藥力,藥食合用可發(fā)揮更好的效果,以藥食同用的方法防治疾病,是中醫(yī)學(xué)的突出特色之一。
在圍絕經(jīng)期,卵巢來(lái)源的E2趨于減少,血中雌一孕激素水平降低,雌、孕激素負(fù)反饋減弱,引起垂體分泌FSH、LH增加,使正常的下丘腦-垂體-靶腺軸之間平衡失調(diào),從而導(dǎo)致圍絕經(jīng)期綜合征的發(fā)生[9]。該研究結(jié)果顯示,與正常大鼠比較,去勢(shì)大鼠血清E2含量明顯下降, FSH、LH含量明顯升高;在運(yùn)用更年滋腎湯及玉女酥干預(yù)后,3種性激素的水平都有不同程度的改善,尤以藥食合用組效果明顯。5-HT是中樞神經(jīng)系統(tǒng)的一種單胺類(lèi)遞質(zhì),由色胺酸經(jīng)色氨酸羥化酶及5-羥色胺酸脫氫酶作用而生成,同時(shí)又通過(guò)單胺氧化酶(MAO)分解成5-HIAA而從尿中排出,從而保證了機(jī)體這兩種遞質(zhì)含量的代謝平衡。陳亞瓊等[10]證實(shí)人血漿雌激素可強(qiáng)烈的抑制MAO的活性,更年期婦女由于雌激素水平下降,MAO活性因而上升,導(dǎo)致5-HIAA含量增加。該研究結(jié)果顯示,與正常大鼠比較,圍絕經(jīng)期綜合征模型大鼠下丘腦組織5-HT及5-HTAA含量明顯升高;運(yùn)用更年滋腎湯及玉女酥干預(yù)后, 5-HT及5-HTAA降低顯著。
綜上所述,更年滋腎湯合玉女酥可通過(guò)影響雌性去勢(shì)大鼠性激素及神經(jīng)遞質(zhì)的含量,在一定程度改善衰退的下丘腦-垂體-性腺軸功能,從而改善圍絕經(jīng)期綜合征,在圍絕經(jīng)期綜合征的治療上,藥食合用是一種優(yōu)化的方法,藥借食威,食助藥力,藥食合用可發(fā)揮更好的效果。藥食合用發(fā)揮作用的途徑可能是:一方面更年滋腎湯直接作用于下丘腦的某些具有神經(jīng)內(nèi)分泌功能的神經(jīng)元,調(diào)節(jié)單胺類(lèi)神經(jīng)遞質(zhì)的合成與釋放;另一方面玉女酥先作用于內(nèi)分泌系統(tǒng),通過(guò)調(diào)節(jié)體內(nèi)E2的水平而間接影響神經(jīng)遞質(zhì)的代謝;也可能藥和食都同時(shí)具備這兩種作用,且具有協(xié)同效果,但確切的作用過(guò)程尚需進(jìn)一步驗(yàn)證。
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(收稿日期:2017-04-23)endprint