医学研究生学报
醫學研究生學報
의학연구생학보
JOURNAL OF MEDICAL POSTGRADUATE
2014年
12期
1266-1268
,共3页
唐维%代光成%薛波新%单玉喜%张文芳
唐維%代光成%薛波新%單玉喜%張文芳
당유%대광성%설파신%단옥희%장문방
良性前列腺增生%泽兰%小茴香%性激素
良性前列腺增生%澤蘭%小茴香%性激素
량성전렬선증생%택란%소회향%성격소
Benign prostatic hyperplasia%Eupatorium japonicum thunb%Foeniculum vulgare%Sex hormone
目的:良性前列腺增生症( benign prostatic hyperplasia , BPH)的新药研发是近年来的研究热点。文中研究泽兰与小茴香提取物(中药复方)对大鼠前列腺增生模型的影响及探讨其作用机制。方法48只雄性大鼠按随机列表法分为6组:正常组,模型组,度他雄胺组,中药复方组高、中、低剂量组(312、234、156 mg/kg),每组8只,正常组乙醚麻醉后无菌游离双侧睾丸及附睾,但不切除睾丸。其余组麻醉后切开阴囊皮肤,切除双侧睾丸及附睾,开始造模,皮下注射丙酸睾酮0.5 mg/0.02 mL,1次/d,连续14 d。中药复方剂量组按上述剂量灌胃给药,正常组及模型组灌胃给予等体积蒸馏水,1次/d,连续45 d。观察每组给药45 d后大鼠前列腺湿重、前列腺指数、前列腺组织形态学变化及性激素水平。结果中药复方高、中、低剂量组前列腺湿重[(1.766±0.245)、(1.812±0.228)和(1.872±0.328)g]和前列腺指数[(0.441±0.069)%、(0.465±0.078)%和(0.481±0.085)%]较模型组[(2.284±0.241)、(0.586±0.100)%]降低(P<0.01);中药复方高、中、低剂量组血清睾酮含量[(0.18±0.01)、(0.20±0.01)、(0.23±0.02)ng/mL]较模型组[(0.24±0.03)ng/mL]明显降低,双氢睾酮含量[(5.46±10.92)、(66.21±9.12)、(67.39±8.88) nmol/L]较模型组[(80.48±11.55) nmol/L]明显降低,睾酮/雌二醇值(137.25±19.64、152.34±17.47、166.67±15.42)较模型组(175.24±27.32)明显降低,差异均有统计学意义( P<0.05)。中药复方大剂量组与度他雄胺组大鼠前列腺腺体少量增生,腺上皮乳头减少或消失,腺体上皮细胞呈低立方或扁平状,大小较为一致,排列整齐,接近正常腺体。结论泽兰与小茴香提取物能显著抑制大鼠前列腺增生,其作用机制在一定程度上与降低大鼠血清睾酮、双氢睾酮含量及睾酮/雌二醇值有关。
目的:良性前列腺增生癥( benign prostatic hyperplasia , BPH)的新藥研髮是近年來的研究熱點。文中研究澤蘭與小茴香提取物(中藥複方)對大鼠前列腺增生模型的影響及探討其作用機製。方法48隻雄性大鼠按隨機列錶法分為6組:正常組,模型組,度他雄胺組,中藥複方組高、中、低劑量組(312、234、156 mg/kg),每組8隻,正常組乙醚痳醉後無菌遊離雙側睪汍及附睪,但不切除睪汍。其餘組痳醉後切開陰囊皮膚,切除雙側睪汍及附睪,開始造模,皮下註射丙痠睪酮0.5 mg/0.02 mL,1次/d,連續14 d。中藥複方劑量組按上述劑量灌胃給藥,正常組及模型組灌胃給予等體積蒸餾水,1次/d,連續45 d。觀察每組給藥45 d後大鼠前列腺濕重、前列腺指數、前列腺組織形態學變化及性激素水平。結果中藥複方高、中、低劑量組前列腺濕重[(1.766±0.245)、(1.812±0.228)和(1.872±0.328)g]和前列腺指數[(0.441±0.069)%、(0.465±0.078)%和(0.481±0.085)%]較模型組[(2.284±0.241)、(0.586±0.100)%]降低(P<0.01);中藥複方高、中、低劑量組血清睪酮含量[(0.18±0.01)、(0.20±0.01)、(0.23±0.02)ng/mL]較模型組[(0.24±0.03)ng/mL]明顯降低,雙氫睪酮含量[(5.46±10.92)、(66.21±9.12)、(67.39±8.88) nmol/L]較模型組[(80.48±11.55) nmol/L]明顯降低,睪酮/雌二醇值(137.25±19.64、152.34±17.47、166.67±15.42)較模型組(175.24±27.32)明顯降低,差異均有統計學意義( P<0.05)。中藥複方大劑量組與度他雄胺組大鼠前列腺腺體少量增生,腺上皮乳頭減少或消失,腺體上皮細胞呈低立方或扁平狀,大小較為一緻,排列整齊,接近正常腺體。結論澤蘭與小茴香提取物能顯著抑製大鼠前列腺增生,其作用機製在一定程度上與降低大鼠血清睪酮、雙氫睪酮含量及睪酮/雌二醇值有關。
목적:량성전렬선증생증( benign prostatic hyperplasia , BPH)적신약연발시근년래적연구열점。문중연구택란여소회향제취물(중약복방)대대서전렬선증생모형적영향급탐토기작용궤제。방법48지웅성대서안수궤렬표법분위6조:정상조,모형조,도타웅알조,중약복방조고、중、저제량조(312、234、156 mg/kg),매조8지,정상조을미마취후무균유리쌍측고환급부고,단불절제고환。기여조마취후절개음낭피부,절제쌍측고환급부고,개시조모,피하주사병산고동0.5 mg/0.02 mL,1차/d,련속14 d。중약복방제량조안상술제량관위급약,정상조급모형조관위급여등체적증류수,1차/d,련속45 d。관찰매조급약45 d후대서전렬선습중、전렬선지수、전렬선조직형태학변화급성격소수평。결과중약복방고、중、저제량조전렬선습중[(1.766±0.245)、(1.812±0.228)화(1.872±0.328)g]화전렬선지수[(0.441±0.069)%、(0.465±0.078)%화(0.481±0.085)%]교모형조[(2.284±0.241)、(0.586±0.100)%]강저(P<0.01);중약복방고、중、저제량조혈청고동함량[(0.18±0.01)、(0.20±0.01)、(0.23±0.02)ng/mL]교모형조[(0.24±0.03)ng/mL]명현강저,쌍경고동함량[(5.46±10.92)、(66.21±9.12)、(67.39±8.88) nmol/L]교모형조[(80.48±11.55) nmol/L]명현강저,고동/자이순치(137.25±19.64、152.34±17.47、166.67±15.42)교모형조(175.24±27.32)명현강저,차이균유통계학의의( P<0.05)。중약복방대제량조여도타웅알조대서전렬선선체소량증생,선상피유두감소혹소실,선체상피세포정저립방혹편평상,대소교위일치,배렬정제,접근정상선체。결론택란여소회향제취물능현저억제대서전렬선증생,기작용궤제재일정정도상여강저대서혈청고동、쌍경고동함량급고동/자이순치유관。
Objective Benign prostatic hyperplasia ( BPH) is one of common diseases in aged males , and searching for new therapeutic drugs to BPH has been a research hotspot in recent years .This article was to study the inhibitory effect of eupatorium ja-ponicum thunb and foeniculum vulgare extract ( EFE) on benign prostatic hyperplasia in rats and its possible mechanism . Methods 48 male rats were randomly divided into 6 groups:normal control group without any treatment , model group of BPH treated with subcu-taneous injection of testosterone propionate , positive control group of BPH treated with dutasteride , high, middle and low dosage groups according to different EFE dosage (156 mg/kg, 234 mg/kg and 312 mg/kg).45 days after the treatment, the rats were sacrificed for measurement of the prostate glandular wet weight , the index of prostate gland ( PI ) , the morphological changes of prostate gland by light microscopy and the content of sex hormone . Results The prostate wet weight and PI decreased after EFE treatment for 45 days compared with the BPH model group(P<0.01 ).The hyperplastic glandular epithelium papilla waned and even disappeared in three EFE groups under the light microscope , and the epithelial cells became cubical or flat .High dosage EFE group (312 mg/kg) has simi-lar efficacy to dutasteride group .EFE significantly reduced serum testosterone content , dihydrotestosterone content and T/E2 ratio( P<0.05 ). Conclusion EFE can significantly inhibit prostatic hyperplasia in rats , and its mechanism is related to the decrease of the contents of serum testosterone and dihydrotestosterone as well as T/E2 ratio.