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耳针对肾阳虚动物模型性激素及抗衰老指标的影响

THE CHANGE OF SEX HORMONE AND ANTI-AGING INDICES UNDER AURICLE POINT ACUPUNCTURE IN THE KIDNEY-YANG DEFICIENCY ANIMALS

【作者】 曾强

【导师】 王照浩; 赖新生;

【作者基本信息】 广州中医药大学 , 针灸推拿学, 2000, 硕士

【摘要】 衰老(Senium,Senescence,Aging)是所有生物生命过程的必然规律之一。一般地说,它是指随着年龄增长而产生的一系列生理学和解剖学方面的退行性变化,是生物体对内外环境的适应力逐渐减退、代偿能力不断下降的过程。适应或代偿的机制是一个极为复杂的问题,为一种全身性作用,牵涉到很多器官及系统的功能与形态变化;因此,衰老或老化这一复杂的退化过程,不可能由单一因素引起,而是多种因素综合作用的结果。目前,世界人口老龄化日益明显。据统计,1960年全世界老年人为2亿,1970年增加到3亿,预计到2000年将达到6亿或更多。我国目前60岁以上的老年人为8000万,预计到2000年可达1亿3千万或更多。这使得抗衰老的研究显得十分迫切。 中医作为世界上较有影响的传统医学,自古以来就对防病抗衰极为重视。依据中医对衰老的论述和治疗法则,本文旨在科学地探索耳针抗衰老的疗效和可能机理,为临床应用提供实验室资料,并为耳针的研究提供重要的基础数据资料。 本研究为动物实验,采用单盲法,随机分组对照,给予不同的处理疗程,治疗前后均采用多种观察指标、方法,监测其内分泌水平(主要为性腺)、和其它抗衰老指标(主要为与自由基代谢有关的指标)的变化,从而对耳针抗衰老的机理进行前瞻性研究。本文主要包括四个部分。 第一章:文献综述 一、祖国医学对本病的认识 本部分较全面地综述了古代、近代和现代中医家对衰老的临床症状、病因病机、辩证、治疗等方面的认识,把其病机概括为“肾虚、脾虚、血瘀”三个方面,并总结了古代到现代各种有效的治疗方法,特别是针灸和耳针治疗方法。 二、针灸抗衰老作用的实验研究进展 列举了人们用针灸进行的抗衰老研究近况。由于衰老是一种极为复杂的退化过程,是多种因素综合作用的结果,因此据其研究的内容分为五个方面:1、自由基学说及脂褐素累积学说;2、内分泌功能减退学说;3、免疫功能下降学说;4、血液流变学方面的影响。5、微量元素学说。 第二章:立题思路和依据 关于耳针抗衰老及其对性激素影响的实验研究,国内目前还未见报道。结合导师和本人在实验前在肾虚、衰老病人中作的一次流行病学调查,确认艇角穴与肾虚、衰老存在着某种关系。因此,本研究决定以此为课题并试图从实验方面进一步验证这种关系足否存在。选用目前抗衰老研究中最常用的指标——S O D、M D A来验证抗衰老的水平;由于老年人存在生理性肾虚,因此从判定肾虚所必需的指标——E 2/T比值中选出E 2和T,以观察耳针对低下的澈素水平有无作用,从另一个方面——内分泌功能减退方面来验证耳针抗衰老的机理。 第三章;实验研究 实验模型采用国内已得到公认的羟基腮肾阳虚模型。将17只新西兰兔随机分配到宁白对照组(汇常组)、阴性对照组(造模组)、针刺组、m性对照组(中药组)。造模用药与什刺、中药同时进行,同时结束。针刺组一部分在造模完成后继续针刺一段时问,以观察针刺对用药结柬后体内指标的变化。每3天采血一次,以放免方法检测T,EZ含量,以羟胺法和TBA法分别测们h中的SOD和MDA。实验结束时将兔脑、肝制成匀浆,再测其SOD与MDA。并取辜丸及-部分肝、肾、肾上腺作病理检测。 结果: 造模组:T降低、EZ/T升高,与空白对照组相比有显著意义:SOD活性降低、MDA升高,与空臼对照组相比亦具有显着怠义。病埋切片显示,模型组翠丸呈萎缩状态,人部分曲细粗管退化变性,管腔内生殖上皮变薄。各级生精细胞变性,精于产生明显减少或缺如。间质细胞数目亦减少。可以认为衰老模型成功,其表现是内分泌系统功能早衰(下丘脑一垂体一性腺轴),白由基系统功能紊乱。 阳性对照组(中药组):对造模造成的T水平下降和较高的巳/T水平有预防作用。对自由基系统的功能紊乱有一定预防作用。病理切片示荤丸生精功能有所改善。由于中药对肾阳虚证有确定的治疗效果,因此可以预期出现上述指标的变化。阴性对照组和阳性对照组都出现了预期的结果,说明本实验的总体设计是成功的。 耳针组:对造模造成的T低下和较高的E。/T水平有预防作用。对造模造成的SOD水平下降和M D A水平上升有预防作用。这就验证了本研究的假设:艇角穴既然与肾虚、衰老有某种联系,那么它应该具有补肾和抗衰老作用。 第四部分:分析与讨论 肾阳虚造模方法研究现状及评价,及本研究对于肾阳虚模型所作的探索。 肾阳虚模型T水平下降、E。厂水平上升、SOD下降及MDA上升的可能机理。 针刺对上述各指标影响的可能机理。 对于兔艇角穴定位的研究。 本研究中的创新之处、存在问题及分析和展望

【Abstract】 Aging is an indispensable rule for all creatures in their course of life. Generally speaking, it is a series of physiological and anatomical changes coming along with the advancing of age, and is also a course of gradual decrease in the ability to adapt to the inner and outer environment and the ability to compensate. The mechanism of adaptation and compensation is extremely complicated , and which is a general effect in the whole body, so it involves functional and morphologic changes of various of organs and systems. Therefore, senility or aging, as a complicated regenerative course, could not be induced by one single factor, but is a result of many factors?comprehensive effects. At present, worldwide aging of population is more and more serious. From statistics, the world population of aged people is 2billion in 1960, 3billion in 1970, and 6billion in 2000. Now, in our country, the population of the aged people has amounted to I .3billion. TCM, as a fairly influential traditional medicine in the world, has been attaching great importance to the prophylaxis of diseases and anti-aging since ancient times. Based on the comments on aging by ancient books and the principle of prevention(retardation) of aging, the aim of this article is to scientifically explore the therapeutic effect of anti-aging by auricle acupuncture and its probable mechanism, and to provide lab support for clinical applications and fundamental digital material for the research of auricle acupuncture. This research is an animal experiment, whose group division is based on one-blind random allocation, and each group was given different treatment. We choose two kinds of ohservin~ indexes before, during and after the experiment to monitor the animals?endocrinological hormone level (mainly involves sex glands) and anti-aging indexes (mainly relate to free radical metabolism), thus making prospective research on the mechanism of the anti-aging effect of auricle acupuncture. THE FIRST CHAPTER. REVIEW OF LITERATURE I. Knowledge of 1CM on Aging This part comprehensively discussed the knowledge of the ancient and recent people in the clinical symptoms, the etiology and pathological mechanism, the syndrome differentiation and the treatment of aging; summarized the pathological mechanisms as kidney deficiency, spleen deficiency and blood 3 stasis these three parts, and summed up various of effective therapies (mainly acupuncture) from ancient time to rccent times. 2.Recent Development of the Experimental Research on the Anti-aging Effect of Acupuncture. Because aging is an extremely complicated degcnerative course, and is a result of multi-factor抯 comprehensive affects, so the author discussed them from 5 aspects based on different research purposes: 1 Free radical theory and the theory of the accumulation of lipofuscins. 2. Theory of the functional degeneration of endocrine system; 3. Theory of the decrease of the function of the immune system; 4.Theory of the hemorheological change and effect; 5.Theory of trace element. THE SECOND CHAPTER: tHE CLUE AND BASIS OF THE FOUNDATION OF THIS SUBJECT There aren抰 such reports as the research on the interference of auricle acupuncture on the sex hormone and anti-aging indexes. Combined ~vith an epidemiological investigation within the kidney-deficiency patient and the aged patient, we affirm that there are some relations between kidney-deficiency, agi

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