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補腎益精方延緩老年雄性大鼠骨與腦衰老的實驗研究 | |||||
文章來源:醫(yī)學(xué)全在線 更新時間:2006-5-16 4:45:23 技能論壇 | |||||
內(nèi)容提要 目的:評價補腎益精方延緩老年雄性大鼠骨衰老與腦衰老的作用,探討此方延緩整個機體衰老的機制。方法:40只24月齡SD雄性大鼠隨機分為24月齡本底對照組、30月齡增齡對照組、補腎益精方低劑量組、補腎益精方高劑量組,每組各10只。低劑量組、高劑量組均自24月齡給藥至30月齡。各組相應(yīng)處理以后分別測定各組大鼠的骨參數(shù)(左側(cè)股骨近段、中段、遠段的骨密度和右側(cè)股骨的彎曲斷裂載荷)以及腦參數(shù)(腦組織M受體結(jié)合容量和膽堿酯酶活性)。結(jié)果:在骨方面,補腎益精方既能量效依賴性地增加大鼠股骨各段骨密度,又能量效依賴性地提高大鼠股骨彎曲斷裂載荷;在腦方面,補腎益精方不僅能上調(diào)大鼠腦組織M受體結(jié)合容量,而且又能抑制大鼠腦組織膽堿酯酶活性。結(jié)論:補腎益精方具有同時延緩雄性大鼠骨衰老與腦衰老的作用;推測該方似通過神經(jīng)內(nèi)分泌免疫網(wǎng)絡(luò)的介導(dǎo)從整體角度調(diào)整衰老機體腎虛精虧之異常。
Objective: To evaluate the effect of Bushen Yijing recipe (BSYJR) in delaying senility of bone and brain of aged male rats and infer its mechanism in delaying systemic senility.Methods: Forty male SD rats, 24 months old were randomly divided into 4 groups, the baseline control group, the aged control group (30 months old), the BSYJR high dose group and the BSYJR low dose group. The latter two groups received BSYJR treatment from 24 months old to 30 months old. Bone indexes (bone density of the proximal, middle and distal segments of left femur and break bending load of right femur) and brain& nbsp;indexes (binding capacity of M receptor and cholinesterase activity of brain) were measured after responding treatment.Results: In bone, BSYJR could not only increase the bone mineral density in various segments of femur, but also raise the bending break load of femur dose-effect dependently. In brain, BSYJR could both up-regulate the binding capacity of M receptor and inhibit the activity of cholinesterase.Conclusion: BSYJR could delay the senility of bone and brain in male rats, inferring that it might regulate integrally the abnormality of aging in Kidney Asthenia and Essence Deficiency through mediation of nerve-endocrine-immunity network. To evaluate the effect of Bushen Yijing recipe (BSYJR) in delaying senility of bone and brain of aged male rats and infer its mechanism in delaying systemic senility.Methods: Forty male SD rats, 24 months old were randomly divided into 4 groups, the baseline control group, the aged control group (30 months old), the BSYJR high dose group and the BSYJR low dose group. The latter two groups received BSYJR treatment from 24 months old to 30 months old. Bone indexes (bone& nbsp;density of the proximal, middle and distal segments of left femur and break bending load of right femur) and brain indexes (binding capacity of M receptor and cholinesterase activity of brain) were measured after responding treatment.Results: In bone, BSYJR could not only increase the bone mineral density in various segments of femur, but also raise the bending break load of femur dose-effect dependently. In brain, BSYJR could both up-regulate the binding capacity of M receptor and inhibit the activity of cholinesterase.Conclusion: BSYJR could delay the senility of bone and brain in male rats, inferring that it might regulate integrally the abnormality of aging in Kidney Asthenia and Essence Deficiency through mediation of nerve-endocrine-immunity network.
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