穿心草酮抗氧化作用初探

以正常大鼠组织匀浆、线粒体为材料研究穿心草酮 (1,6 -二羟基 - 3,5 -二甲氧基酮 ,CanscoraXanthon,CX)抗脂质过氧化作用。以丙二醛 (MDA)为指标 ,观察 CX对组织匀浆、线粒体体外脂质过氧化产物 MDA生成量的影响。以吸光度 (A)值为指标 ,观察 CX对邻苯三酚自氧化产生的 O÷2 及 Cu2 - Vit C自由基产生系统产生的· OH的清除作用。结果 CX抑制正常大鼠脑、肝、心、肾匀浆的体外过氧化脂质生成 ,抑制Vit C和 Fe SO4激发的线粒体膨胀。提示 CX能清除 O÷2 ,· OH。     

穿心草(口山)酮抗氧化作用初探

以正常大鼠组织匀浆、线粒体为材料研究穿心草(口山)酮(1,6-二羟基-3,5-二甲氧基(口山)酮,Canscora Xanthon, CX)抗脂质过氧化作用.以丙二醛(MDA)为指标,观察CX对组织匀浆、线粒体体外脂质过氧化产物MDA生成量的影响.以吸光度(A)值为指标,观察CX对邻苯三酚自氧化产生的O÷2及Cu2+-Vit C自由基产生系统产生的·OH的清除作用.结果CX抑制正常大鼠脑、肝、心、肾匀浆的体外过氧化脂质生成,抑制Vit C和FeSO4激发的线粒体膨胀.提示CX能清除O÷2,·OH.     

白藜芦醇苷的体外抗氧化活性

目的研究白藜芦醇苷的清除自由基、抗氧化活性.方法以NADH-PMS-NBT系统产生氧自由基O 2-;EDTANa2-Fe(Ⅱ)-H2O2系统和Fe2++Vit C系统产生羟自由基(·OH);H2O2诱导大鼠红细胞氧化溶血来研究白藜芦醇苷的生物活性.结果白藜芦醇苷体外可清除O2-及·OH;抑制H2O2诱导的大鼠红细胞氧化性溶血;抑制·OH引起的小鼠肝微粒体过氧化脂质(LPO)和大鼠红细胞膜丙二醛(MDA)含量的升高.结论白藜芦醇苷具清除自由基及抗脂质过氧化的作用.     

海带多糖的体外抗氧化活性研究

目的 研究海带多糖体外抗氧化作用.方法 采用体外实验研究海带多糖对羟自由基、超氧阴离子的清除作用以及对H2O2诱导的红细胞氧化溶血和大鼠肝匀浆脂质过氧化的保护作用.结果 海带多糖体外可清除O2-·及·OH;抑制H2O2诱导的大鼠红细胞氧化性溶血;抑制小鼠组织MDA的生成.结论 海带多糖体外具有清除自由基及抗脂质过氧化的作用.     

槲皮素及异槲皮素、芦丁抗自由基活性的比较研究

目的评价3种黄酮类同系化合物槲皮素及其单糖苷异槲皮素和双糖苷芦丁的体外抗自由基作用,进一步研究其构效关系。方法采用H2O2/Fe2 体系,通过Fenton反应生成羟自由基(·OH);采用邻苯三酚自氧化法产生超氧阴离子(O2-)。利用·OH造成肝细胞脂质过氧化以及红细胞膜破裂,观察受试化合物的保护作用,并计算IC50。结果在以上4种体外模型中,3种药物均表现出极强的清除自由基能力。在·OH以及O2-清除实验中,抗氧化活性顺序为芦丁>异槲皮素>槲皮素;在抑制肝匀浆脂质过氧化及红细胞膜破裂实验中,抗氧化活性顺序为槲皮素>异槲皮素>芦丁。结论3种受试黄酮类化合物均具有十分强大的自由基清除作用,且呈现明显的剂量依赖性和糖基结构依赖性,在不同的实验体系中其抗自由基活性强弱顺序不同。     

西红花酸的体外抗氧化作用的研究

目的 探讨西红花提取物中西红花酸的体外抗氧化作用。方法 采用H2O2和Vc-Fe^2 系统引起的脂质过氧化的抑制作用。结果 西红花酸对H2O2系统的羟自由基有较强的清除能力,并能抑制肝匀浆自氧化和Vc-Fe^2 系统羟自由基引起的脂质过氧化,对肝线粒体也有保护作用。结论 西红花酸具有较强的抗氧化作用。     

鸡血藤醇提物清除氧自由基的实验研究

目的研究鸡血藤醇提物的抗脂质过氧化作用及其机制。方法用Fenton反应产生的羟自由基(·OH)诱发大鼠心、肝、肾组织匀浆产生脂质过氧化,用TBA比色法测定丙二醛(MDA)。用酵母多糖A刺激中性白细胞产生超氧阴离子自由基(O2-),用NBT还原法测定O2-。用H2O2诱发红细胞氧化溶血,用比色法测定溶血度。结果13.6～217.0μg·L-1鸡血藤醇提物(ESSD)可浓度依赖性抑制(Fe2++抗坏血酸)诱导的大鼠心、肝、肾MDA生成,其抑制心、肝、肾MDA生成的IC50分别为42.3μg·L-1,43.0μg·L-1及44.0μg·L-1;浓度依赖性抑制酵母多糖A刺激大鼠中性白细胞生成O2-,其IC50为36.5μg·L-1;对H2O2诱发大鼠红细胞氧化溶血具有浓度依赖性抑制作用,其IC50为72.9μg·L-1。结论ESSD通过清除·OH、O2-及H2O2发挥抗氧化作用。     

卟啉-荧光素二元化合物体外清除活性氧自由基及抑制氧化损伤的作用

目的研究卟啉-荧光素二元化合物体外清除活性氧自由基及抗氧化的作用。方法利用光照核黄素产生超氧阴离子自由基O2.-和Fenton反应产生羟自由基.OH,用分光光度法测定卟啉-荧光素二元化合物体外清除活性氧自由基的作用,用硫代巴比妥酸（TBA）分光光度法研究卟啉-荧光素对.OH诱发卵磷脂脂质过氧化和DNA氧化损伤的抑制作用。结果卟啉-荧光素二元化合物能有效清除活性氧自由基,对卵磷脂脂质过氧化和DNA氧化损伤有显著抑制作用。结论卟啉-荧光素二元化合物是一种良好的体外抗氧化剂。     

金丝桃抗脂质过氧化作用研究

为研究金丝桃的抗脂氧化作用,用分光光度法测定了金丝桃提取物对大鼠离体组织匀浆的脂质过氧化及由Fe^2 -H2O2体系,Fe^2 -VitC体系和Fe^2 -Cys体系诱导的脂质过氧化的抑制作用,发现金丝桃提取物对大鼠肝,心,肾组织匀浆脂质过氧化和线粒体诱导的脂质过氧化有抑制任作用表现出剂量依赖关系,而且提取物F003的抑制作用要强于F002,F005的抑制作用,认为金丝桃具有较好的抗脂质过氧化作用,具有进一步研究与开发价值。     

金丝桃抗脂质过氧化作用研究

为研究金丝桃的抗脂质过氧化作用,用分光光度法测定了金丝桃提取物对大鼠离体组织匀浆的脂质过氧化及由Fe2+-H2O2体系、Fe2+-VitC体系和Fe2+-Cys体系诱导的脂质过氧化的抑制作用。发现金丝桃提取物对大鼠肝、心、肾组织匀浆脂质过氧化和线粒体诱导的脂质过氧化具有抑制作用并表现出剂量依赖关系,而且提取物F003的抑制作用要强于F004、F005的抑制作用。认为金丝桃具有较好的抗脂质过氧化作用,具有进一步研究与开发价值。     

APPLICATION OF LORNOXICAM TO PATIENT-CONTROLLED ANALGESIA IN PATIENTS UNDERGOING ABDOMINAL SURGERIES

FOR anesthesiologis s ,treatingpostoperativepainhas alwaysbeen a problem.Althoughopioidshave been provedtobe effective,theirsideeffectscouldnotbeignored.With thedevelopmentofscienceand pharmacology,many drugs with aspectsof satisfactoryanalgesicefficacyand couldbe welltoleratedby patientshave been developed.And lornoxicamisone of them, which isa non-steroidalanti-inflammatorydrug (NSAID ), with analgesic, anti-infl-ammatory,andantipyreticproperties.Itseliminationhalf-time(3 to 5 hours) isle…     

Acupuncture Treatment of Vomiting

CASE HISTORY A female patient, 46 years old, head of the foreign affairs department of a certain university in Beijing, paid her first visit on October 9, 2006, with the chief complaint of vomiting for one month. She got vomiting after meals in early September. Before that, she had discomfortable sensation in the stomach due to angry with others, but she didn't pay much attention. Later, it developed into vomiting after eating. After the vomiting, the discomfort would be relieved, but with slight hypodynamia. She was once diagnosed as having 'neurogenic vomiting'. Having taken some western and Chinese drugs, the above symptoms were a little bit improved, but she would have nausea upon eating and with regurgitation. Because of the fear for vomiting, she did not dare to have food intake, with body weight reduction of 6 kilos in one month.     

Qiu Baoguo''''s Experience in Treating Consumptive Syndromes after Radio-Chemotherapies

Radiotherapy and chemotherapy are the important modern medical therapies for malignant tumors,yet they can also bring about serious local and systemic toxic side reactions so to decrease the patient;'s life quality,manifested by a series of consumptive symptoms.Having engaged in the combined work of Chinese and western medicine for nearly 50 years,the research fellow Qiu Baoguo in Henan Provincial Academy of TCM has developed his unique views on the TCM study of consumptive syndromes.The author of this essay had once the fortune tO follow Dr.Qiu in clinic,and specially would like to introduce in the following Dr.Qiu's experience in treating consumptive syndromes after radio-chemotherapies for patients with malignant tumor.     

Insomnia Due to Deficiency of Both the Heart and Spleen Treated by Acupuncture-Moxibustion and Chinese Tuina

OBJECTIVE: To observe therapeutic effects of the comprehensive therapy of acupuncture-moxibustion and Chinese Tuina for treatment of insomnia due to deficiency of both the heart and spleen. METHODS: 92 cases were divided randomly into the treatment group (treated by acupuncture-moxibustion and Chinese Tuina) and the control group (treated by acupuncture-moxibustion). RESULTS: The therapeutic effect of the treatment group was obviously superior to that of the control group (the CHI2 test showed P < 0.01). CONCLUSIONS: The comprehensive therapy of acupuncture-moxibustion and Chinese Tuina can give marked therapeutic effects for treatment of insomnia due to deficiency of both the heart and spleen.     

Analysis of CK-19,PDX-1,Nestin,Ngn3 in different donor islet purity in rats

Objective: To investigate if there are the CK-19, PDX-1, Nestin, Ngn3 positive cells in the donor islets of different purity in rats. Methods: Thirty male adult SD rats were randomly divided into 3 groups. Islets were isolated using digestion by ductal injection of collagenase. Group Ⅰ (n=10): Separating cell preparations were not purified, Group Ⅱ(n=10): Islet sediment was purified with 25% Ficoll400 ,Group Ⅲ (n=10): Islet sediment was purified with 25% and 11% Ficoll-400. The levels of protein of CK-19, PDX-1, Nestin and Ngn3 were detected by immunohistochemistry and the mRNA of CK-19, PDX-1, Nestin, Ngn3 was amplified by RT-PCR. Results: After two different purification methods applied, three islet preparations of different purities were obtained. The difference of islet purity was significant among various groups (P＜0.05). Compared with group Ⅱ and group Ⅲ,the protein and mRNA of CK-19, PDX-1, Nestin,Ngn3 were both higher in group Ⅰ; group Ⅲ was poorly expressed. Conclusions: The three different islet purity donor islet have different CK-19, PDX-1, Nestin, Ngn3 positive cells within them, indicating that there are some islet stem cells in the purified donor islet.     

Dr.Zhang Ren''''s Experience in the Acupuncture Treatment of Different Diseases with the Same Therapeutic Principle

Dr.Zhang Ren,the chief physician,is the chairman of Shanghai Acupuncture and Moxibustion Association.Having been engaged in medicine for about 40 years,he is experienced in treating various intractable diseases.In his long years of clinical practice,he advocates taking the TCM differentiation as the basis to seek for the acupuncture method for treatment of modern intractable diseases.The author of this essay had the fortune to follow Dr.Zhang in study.The following is a summary of Dr.Zhang's experience in the acupuncture treatment for different intractable diseases with the same therapeutic principle.     

Luo Lingjie''''s Experience in Treating Chronic Nephropathy

In treating chronic nephropathy,Luo Lingjie,a chief physician,pays attention to regulating the balance between yin and yang,treating infection if present,and removing pathogenic factors.He prescribes gentle drugs and uses carefully strongly warming-tonifying ones,emphasizes the importance of persuading the patient to persist in treatment with medication and nurse one's health for recuperation,and is good at combined use of TCM and western medicine therapy and brings the merits of various therapies into full play,with obvious theraoeutic effects.     

Acupuncture Combined with Spinal Tui Na for Treatment of Primary Dysmenorrhea in 30 Cases

Objective: To observe the therapeutic effects in acupunture treatment of primary dysmenorrhea combined with spinal Tui Na, and study its mechanism. Methods: Thirty cases of the treatment group were treated by acupuncture combined with spinal Tui Na, and thirty cases in the control group were treated by routine acupuncture. Results: The total effective rate was 93.3% in the treatment group, and 73.3% in the control group, with a significant difference between the two groups (P<0.05). Conclusions: Acupuncture combined with spinal Tui Na has good prospects for treatment of primary dysmenorrhea.