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Protective effects of L-arginine on pulmonary oxidative stress and antioxidant defenses during exhaustive exercise in rats

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Acta Pharmacologica Sinica 2005年第8期26卷 992-999页

作者： Wan-teng LIN~(2,5), Suh-ching YANG~3, Kung-tung CHEN~4, Chi-chang HUANG~3, Ning-yuean LEE~(2,6) ~2 Department of Nutrition and Food Sciences, Fu-Jen Catholic University, Taipei, China ~3 School of Nutrition and Health Sciences, Taipei Medical University, Taipei, China ~4 Department of General Education, Ming Hsin University of Science and Technology Hsinchu, China ~5 De Lin Institute of Technology, Taipei, China Department of Nutrition and Food Sciences Fu-Jen Catholic University Taipei China De Lin Institute of Technology Taipei China School of Nutrition and Health Sciences Taipei Medical University Taipei China Department of General Education Ming Hsin University of Science and Technology Hsinchu China

Aim: To assess the effects of L-arginine (L-Arg) supplementation on pulmonary oxidative stress and antioxidant defenses in rats after exhaustive exercise. Methods: Rats were randomly divided into four groups: sedentary control (SC), sedentary control with L-Arg treatment (SC+Arg), exhaustive exercise with control diet (E) and exhaustive exercise with L-Arg treatment (E+Arg). Rats in groups SC+Arg and E+Arg received a 2% L-Arg diet. Rats in groups E and E+Arg underwent an exhaustive running test on a motorized treadmill. Pulmonary oxidative stress indices [xanthine oxidase (XO), myeloperoxidase (MPO), and malondialdehyde (MDA)] and antioxidant defense systems [superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPX), glutathione reductase (GR), and glutathione (GSH)] were investigated in this study. Results: L-Arg supplementation significantly reduced exercise-induced elevations of XO and MPO activities in lung. LArg reversed the exercise-induced increase in SOD and GR activities, but increased CAT and GPX activities. L-Arg administration also significantly increased the GSH levels in plasma. Conclusion: L-Arg supplementation can prevent elevations of XO and MPO activities in the lung and favorably influence pulmonary antioxidant defense systems after exhaustive exercise.

关键词： L-arginine oxidative stress xanthine oxidase myeloperoxidase exhaustive exercise lung

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Hippocampal ultrastructural changes and apoptotic cell death in rats following endurance training and acute exhaustive exercise

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Neural Regeneration Research 2008年第6期3卷 679-682页

作者： Jianjun Zhang Physical Education College Zhengzhou University Zhengzhou 450044 Henan Province China

BACKGROUND： exhaustive exercise can lead to apoptosis of skeletal muscle cells and myocardial cells as a result of pathological changes in the corresponding cellular ultrastructure. It is hypothesized that such changes could also occur in neurons. OBJECTIVE： To observe brain cell apoptosis and ultrastructural changes in hippocampal neurons in rats following endurance training and acute exhaustive exercise. DESIGN, TIME AND SETTING： A randomized, controlled, morphological analysis was performed at the Medical Laboratory Center of Zhengzhou University between July and November 2007. MATERIALS： Forty male, 8-week-old, Sprague Dawley rats were included in this study. METHODS： Endurance training consisted of treadmill running once a day, 6 days a week, for 4. weeks. For acute exhaustive exercise, graded treadmill running was conducted. Rats were exposed to exercise at an increasing speed （10 m/min, increasing to 20 and 36 m/min for moderate- and high-intensity exhaustive exercise, respectively, and then was continued until exhaustion）. A total of 40 rats were evenly distributed into the following 4. groups： Group A rats were not exercised; Group B rats were not trained but sacrificed 24 hours after acute exhaustive treadmill running exercise; Group C-rats were subjected to endurance training and sacrificed immediately after acute exhaustive treadmill running exercise; Group D rats were subjected to endurance training and sacrificed 24 hours after acute exhaustive treadmill running exercise. MAIN OUTCOME MEASURES： Apoptotic cell death was detected by the TUNEL method and hippocampal neuronal ultrastructural change was observed through using transmission electron microscopy. RESULTS： All 40 rats were included in the final analysis. Subsequent to exhaustive exercise, rat cerebral cortex and hippocampal neurons appeared contracted and degenerated. In addition, high amount of lipofuscin was visible in the hippocampal region, Necrotic neurons encased by glial cells appeared in

关键词： endurance training exhaustive exercise apoptosis pyramidal neuron mitochondrion

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Effect of moxibustion at Shenque （CV 8） on free radical metabolism in rat＇s hippocampus after different degrees of exhaustive exercise

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Journal of Acupuncture and Tuina Science 2018年第4期16卷 223-228页

作者： Zhou Xiao-hong Du Xiao-yi Zhu Jie Gao Fei Zhang Zhi-fang Xu Xiao-kang Liang Yu-lei Sun Li-hong Sun Hao Hebei University of Chinese Medicine Shijiazhuang 050200China Hebei Provincial Hospital of Traditional Chinese Medicine Hebei 050017China

Objective： To investigate the effect of moxibustion at Shenque （CV 8） on free radical metabolism in rat＇s hippocampus after different degrees of exhaustive exercise. Methods： A total of 72 male Sprague-Dawley （SD） rats were randomly divided into a normal group （n=8）, a model group （n=32） and a moxibustion group （n=32）. According to the times of modeling or treatment, the model group was further randomly divided into different subgroups of a 1-time model subgroup, a 4-time model subgroup, a 7-time model subgroup and a 10-time model subgroup （n=8）; the moxibustion group was also further randomly divided into different subgroups of a 1-time moxibustion subgroup, a 4-time moxibustion subgroup, a 7-time moxibustion subgroup and a 10-time moxibustion subgroup （n=8）. Rats in both model and moxibustion subgroups were subjected to establishing the swimming exhaustive model. Rats in each moxibustion subgroup received mild moxibustion at Shenque （CV 8） for 15 min immediately after modeling, once every other day. The concentration of malic dialdehyde （MDA）, as well as the activities of superoxide dismutase （SOD）, glutathione peroxidase （GSH-Px） and total antioxidant capacity （T-AOC） in rat＇s hippocampus in each group were detected 24 h after the exhaustive exercise. Results： Compared with the 1-time model subgroup, the exhaustive swimming time of rats was significantly prolonged in the 4-time model subgroup （P〈0.01）, while it was significantly shortened in the 7-time and 10-time model subgroups （both P〈0.01）. Compared with the matched model subgroup, the exhaustive swimming time of rats in the 7-time and 10-time moxibustion subgroups was significantly prolonged （both P〈0.01）. Compared with the normal group, the MDA concentration was increased significantly （P〈0.01）, and the activities stress response of SOD and T-AOC were increased in the 1-time model subgroup （both P〈0.05）; the MDA concentration was increased （all P〈0.01）, and the activities of SOD, GSH-Px and T-AOC were decre

关键词： Moxibustion Therapy Mild Moxibustion Point Shenque (CV 8) exhaustive exercise Fatigue Free Radicals Rats

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Effect of moxibustion at Shenque (CV8) on immune system in rats with different degrees of exhaustive exercise

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Journal of Acupuncture and Tuina Science 2019年第2期17卷 74-79页

作者： Zhang Ya-hui Zhou Xiao-hong Zhang Zhi-fang Liang Yu-lei Gao Fei Wu Jun Sun Dong-yun Sun Hao Hebei University of Chinese Medicine. Shijiazhuang 050200. China Hebei Province Laboratory of Specific Effects of Acupuncture and Moxibustion. Shijiazhuang 050091 China Hebei Bokang Institute of Chinese Medicine Shijiazhuang 050021 China

Objective: To investigate the effect of moxibustion at Shenque (CV8) on the immune system in rats with different levels of exhaustive exercise. Methods: Fifty-six male Sprague-Dawley (SD) rats were randomly divided into a blank group (n=8), an exhaustive group (n=24), and a moxibustion group (n=24). The exhaustive group was randomly divided into a 1-time exhaustive group, a 4-time exhaustive group and a 7-time exhaustive group, with 8 rats in each group. According to the treatment time, the moxibustion group was randomly divided into a 1-time moxibustion group, a 4-time moxibustion group and a 7-time moxibustion group, with 8 rats in each group. Rats in the exhaustive groups and the moxibustion groups were subjected to replicating the exhaustive swimming models. Rats in each moxibustion group received mild moxibustion for 15 min immediately after the exhaustive modeling, once every other day. Twenty-four hours after the corresponding exhaustive exercise, the rats in each group were tested for the levels of serum immunoglobulin (Ig) G, IgA, IgM and acid phosphatase (ACP), and the morphological changes of spleen tissues were observed. The level of IgA was detected by immunoturbidimetric assay, and the levels of IgG, IgM and ACP were detected by en zyme-linked imm uno sorb ent assay (ELISA). Results: Compared with the 1-time exhaustive group, swimming time of rats in the 4-time exhaustive group was significantly proIonged (Pexhaustive group was significantly shortened (Pexhaustive group, exhaustive swimming time of rats in the 7-time moxibustion group was significantly proIonged (Pexhaustive group was significantly decreased (***), and the levels of IgG, IgA and IgM in the 4-time exhaustive group and the 7-time exhaustive group were all sign ifica ntly decreased (P<0.05 or ***), while the ACP level was in creased sign

关键词： Moxibustion Therapy Moxa Stick Moxibustion Point, Shenque (CV8) exhaustive exercise Fatigue Immunoglobulins Acid Phosphatase Rats

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Protective effect of Lycium barbarum Polysaccharide on skeletal muscle injury in exhaustive exercise rats and its related mechanism

Protective effect of Lycium barbarum Polysaccharide on skele...

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2019中国生理学会学术年会暨张锡钧基金第十五届全国青年优秀生理学学术论文交流会及第十三届全国青年生理学工作者学术会议

作者：胡小辉 Wei Wu Lingqin Zhu Guanghua Li Department of Physiology School of Basic Medical SciencesNingxia Medical University Department of physical education Ningxia Medical University School of Public Health and Management Ningxia Medical University

Objective To investigate the protective effect of Lycium barbarum polysaccharide on skeletal muscle injury in rats after exhaustive exercise and its *** A total of 60 healthy standard weight male SD rats were randomly divided into four groups: normal control group(NC), aerobic exercise group(AE), exhaustive exercise group(EX), exhaustive exercise + Lycium barbarum polysaccharides group(EX+LBP).In addition to the control group, the other three groups were given swimming training for 35 *** exercise, the rats in exhaustive exercise + LBP group were given LBP, and the rats in the four groups were anesthetized and sampled quickly after the training for follow-up *** morphological and structural changes of skeletal muscle were observed by HE *** of skeletal muscle cells was observed by TUNEL *** of tumor Necrosis Factor(Tumor necrosis factor alpha, TNF-α), by Immunohistochemical staining(IHC) and antioxidant stress pathway associated protein KeIcH like epichlorohydrin associated protein 1(Kelch-like ECH-associated protein-1,Keap1), nuclear factor E2 related factor2(NF-E2-related factor 2, NRF2), heme oxygenase 1(heme oxygenase 1, Ho-1), glutamate-cysteine ligase modified subunit(glutamate-cysteine ligase modifier subunit,GCLM).The expressions of inflammatory factors TNF-α, antioxidant stress pathway related proteins keap1, Nrf2, Ho-1 and GCLM were detected by Western blotting(Western blot).Results The results of HE staining showed that compared with the normal control group, the skeletal muscle fibers in the aerobic exercise group were neatly arranged, the fibers were intact, the nucleus were uniformly distributed, and the skeletal muscles were *** with the aerobic exercise group, the skeletal muscle fibers in the exhaustive exercise group were seriously dissolved,broken, the stroma became wider, the structure was disordered and irregular, and the nucleus were arranged irregularly, while the s

关键词： Lycium barbarum polysaccharides exhaustive exercise Inflammation Apoptosis Keap1-Nrf2 signaling pathway

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Effect of moxibustion at Shénquè(神阙 CV 8) on anti-exercise-induced fatigue in exhaustive rats in varying degrees

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World Journal of Acupuncture-Moxibustion 2017年第4期27卷 35-40页

作者：周龙岗梁玉磊周小红祝婕高飞许晓康张闯丁晨光孙立虹马小顺河北中医学院石家庄050200 河北以岭医院河北省中医院石家庄050017

Objective To explore the effect of moxibustion at Shenque （神阙 CV 8） on the anti-exercise-induced fatigue in rats after exhaustive exercise in varying degrees. Methods Seventy-two SD rats were randomly divided into 3 groups according to the random number table method, including blank group, model group and moxibustion group. The model group and moxibustion group were divided into 4 subgroups respectively, that was 1 time, 4 times, 7 times and 10 times subgroup. There were 9 groups with 8 rats in each group. Except blank group, all the rats were established into exhaustive models through swimming. Mild moxibustion at CV 8 was carried out for 15 min in the rats in moxibustion group after modeling for once every other day. The concentration of serum glucose （GLU）, malonaldehyde （MDA） and blood urea nitrogen （BUN） as well as the activity of aspartate transaminase （AST）, alanine transaminase （ALT） and lactic dehydrogenase （LDH） were detected 24h after the exhaustive exercise by adopting full-automatic analyzer. Results The exhaustive time of rats were long at first but shorter later. The exhaustive time of rats in the model group （4 times） were obviously longer than that in the model group （1 time）（P〈0.01）, the exhaustive time of rats in the model group （7 times） and model group （10 times） were obviously shorter than that in the model group （1 time）（P〈0.01）, and the exhaustive time of rats in the moxibustion group （7 times） and moxibustion group （10 times） were obviously longer than that in the model group with the same number of times （P〈0.01）, the serum GLU level of rats in the model group （7 times） and model group （10 times） increased when compared with the blank group （P〈0.01）, and the serum MDA and BNU levels as well as the activity of AST, ALT and LDH of rats in the model group （4 times）, model group （7 times） and model group （10 times） increased when compared with the blank group （P〈0.05 or P〈0.01）, the serum GLU, MDA and BNU levels as well as the activity of AS

关键词： Mild moxibustion Shenque (神阙 CV 8) exhaustive exercise anti-fatigue experimental study

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A Yang-invigorating compound mixture alters neurotransmitters in rat telencephalon after exercise-induced fatigue

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Neural Regeneration Research 2011年第15期6卷 1158-1163页

作者： Hongzhen Liu Li Zeng Xiliang Kong Lei Zhu Benhua Hou Qufu Normal University Qufu 273165 Shandong Province China People's Sports Publishing House Beijing 100061 China

The aim of this study was to observe the changes in monoamine and amino acid neurotransmitters in the telencephalon of rats at four functional states after exhaustive exercise and treatment with a Yang-invigorating compound *** main components of this Chinese traditional medicine preparation included Radix Ginseng,Rhizoma Chuanxiong,Fructus Schisandrae,Cortex Cinnamomi,Cornu Cervi Pantotrichum,Radix Morindae Officinalis,and *** experiment showed that dopamine（DA）,5-hydroxyindole acetic acid（5-HIAA）,and γ-aminobutyric acid levels noticeably decreased,while DA/5-hydroxytryptamine（5-HT） ***,glutamate（Glu） and Glu/γ-aminobutyric acid significantly increased after 1 hour of exercise in rats in the exercise ＋ medication *** 5-HT and 5-HT/5-HIAA levels noticeably decreased,and DA/5-HT and Glu levels showed a robust and significant increase immediately after exhaustive *** 5-HT,5-HT/5-HIAA levels sharply decreased,while DA/5-HT,Glu and γ-aminobutyric acid levels increased at 12 hours after exhaustion *** results prove that Chinese herbal formula for strengthening Yang can induce changes in neurotransmitters in the telencephalon of rats after exhaustive exercise during the recovery process,and further improve central nervous system function.

关键词： Chinese herbal formula neurotransmitter exercise training exhaustive exercise excitability neural regeneration

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Changes in energy metabolism in the quadriceps femoris after a single bout of acute exhaustive swimming in rats： a 31p-magnetic resonance spectroscopy study

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Chinese Medical Journal 2014年第5期127卷 937-944页

作者： Sun Yingwei Pan Shinong Chen Zhian Zhao Heng Ma Ying Zheng Liqiang Li Qi Deng Chunbo Fu Xihu Lu Zaiming Guo Qiyong Department of Radiology Shengjing Hospital of China Medical UniversityShenyang Liaoning 110004 China

Background Little is known about the value of 31P-magnetic resonance spectroscopy （31P-MRS） in in vivo assessment of exhaustive exercise-induced injury in skeletal *** aimed to evaluate the value of a 31P-MRS study using the quadriceps femoris after a single bout of acute exhaustive swimming in rats,and the correlation between 31P-MRS and histological *** Sixty male Sprague-Dawley rats were randomly assigned to control,half-exhaustive,and exhaustive exercise groups.31P-MRS of the quadriceps femoris of the right lower limb was performed immediately after swimming exercise to detect Pi,PCr,and β-*** Pi/PCr,Pi/β-ATP,PCr/β-ATP,and PCr/（PCr＋Pi） were calculated and pH *** under the receiver operating characteristic curve （AUCs） were calculated to evaluate the diagnostic potential of 31P-MRS in identifying and distinguishing the three *** staining,electron microscopy and desmin immunostaining after imaging of the muscle were used as a reference *** correlation between 31P-MRS and the mean absorbance （A value） of desmin staining were analyzed with the Pearson correlation *** Pi,PCr,Pi/PCr,and PCr/（PCr＋Pi） showed statistically significant intergroup differences （P＜0.05）.AUCs of Pi,PCr,Pi/PCr,and PCr/（PCr＋Pi） were 0.905,0.848,0.930,and 0.930 for the control and half-exhaustive groups,while sensitivity and specificity were 90％/85％,95％/55％,95％/80％,and 90％/85％,*** AUCs of Pi,PCr,Pi/PCr and PCr/（PCr＋Pi） were 0.995,0.980,1.000,and 1.000 for the control and exhaustive groups,while sensitivity and specificity were 95％/90％,100％/90％,100％/95％,and 100％/95％,*** AUCs of Pi,PCr,Pi/PCr,and PCr/（PCr＋Pi） were 0.735,0.865,0.903,and 0.903 for the half-exhaustive and exhaustive groups,while sensitivity and specificity were 80％/60％,90％/75％,95％/65％,and 95％/70％,*** the half-exhaustive group,some muscle fibers exhibited edema in HE staining,and the unclear Z-discs and the mitochondria with vacuolar degener

关键词： magnetic resonance spectroscopy exhaustive exercise energy metabolism receiver operating characteristic curve

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Difference in the anti-fatigue effect of moxibustion at different acupoints in one-off exhausted rats

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World Journal of Acupuncture-Moxibustion 2019年第4期29卷 279-284页

作者： Xin Wang Ya-hui Zhang Zhi-fang Zhang Shi-ling Lǚ Yu-lei Liang Dong-yun Sun Tian-yuan Lǚ School of Acupuncture Moxibustion and TuinaHebei University of Chinese MedicineShijiazhuang 050200China

Objective:To explore the difference in the anti-fatigue effect of moxibustion at different acupoints through observing the impacts of moxibustion at"Shènshù(肾俞BL23)","Zúsānlǐ(足三里ST36)","Guānyuán(关元CV4)"and"Shénquè(神阙CV8)"on energy metabolic indexes in the one-off exhausted ***:A total of 56 SPF male rats were randomized into 7 groups,named a blank group,a model group,a non-acupoint group,a"BL23"group,a"ST36"group,a"CV4"group and a"CV8"group,8 rats in each *** one-off exhaustion model was established by weight-bearing swimming *** after the exhaustive swimming of rats in each intervention group,the mild moxibustion was applied at the corresponding acupoints for 15 min immediately.4 h after the exhaustive swimming,the blood was collected from the femoral artery and the quadriceps femoris of the left hindlimb was *** levels of blood lactate(BLD),lactate dehydrogenase(LDH),creatine kinase(CK)and blood urea nitrogen(BUN),the expressions of adenosine triphosphatease(ATP),fructose-6-phosphofructokinase(PFK)and malomdialdehyde(MDA)in the quadriceps femoris and the activity of superoxide dismutase(SOD)and catalase(CAT)were ***:Compared with the model group and the non-acupoint group,the levels of serum BLD,LDH,CK and BUN were all lower those in the"BL23"group,the"ST36"group,the"CV4"group and the"CV8"group,indicating a statistical significance(all P<0.05).Compared with the model group and the nonacupoint group,PFK was higher in the"BL23"group,indicating a statistical significance(both P<0.05).Compared with the model group and the non-acupoint group,PFK was higher in the"ST36"group and the"CV4"group,indicating a statistical significance(all P<0.05).Conclusion:It was found in the research that moxibustion at"BL23""ST36""CV4"and"CV8"regulated the energy metabolism in the one-off exhausted rats so as to bring the anti-fatigue effect into play and the effect was different among the *** at"CV8"may work on the preve

关键词： Anti-fatigue exhaustive exercise Guānyuán(关元CV4) Mild moxibustion Shénquè(神阙CV8) Shènshù(肾俞BL23) Zúsānlǐ(足三里ST36)

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Study on the differences between moxibustion at different points in the effects on the anti-fatigue ability of rats undergoing one-time exhaustive swimming

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Journal of Acupuncture and Tuina Science 2020年第4期18卷 256-261页

作者： Liu Hai-long Gao Lei Zhang Ya-hui Liang Yu-lei LüTian-yuan Yang Xin Zhao Zhi-guo The 926th Hospital of PLA Joint Logistic Support Force Kaiyuan 661699China Hebei University of Chinese Medicine Shijiazhuang 050200China

Objective:To observe the effects of moxibustion at Shenshu(BL 23),Zusanli(ST 36)and Shenque(CV 8)on the energy metabolism and endocrine metabolism indicators of rats undergoing one-time exhaustive swimming,and to explore the differences between moxibustion at different points in the effects on anti-exercise ***:Forty-eight male SPF rats were randomly divided into a blank group,a model group,a non-meridian and non-acupoint group,a Shenshu(BL 23)group,a Zusanli(ST 36)group,and a Shenque(CV 8)group using random number table method,with eight rats in each *** for the blank group,rats in the other groups were subjected to replicating the one-time exhaustive model using the weight-bearing swimming *** for the model group,the other model rats received mild moxibustion immediately after *** in the non-meridian and non-acupoint group received mild moxibustion at bilateral subcostal non-meridian and non-acupoint points,those in the Shenshu(BL 23)group received mild moxibustion at bilateral Shenshu(BL 23),those in the Zusanli(ST 36)group received mild moxibustion at bilateral Zusanli(ST 36),and those in the Shenque(CV 8)group received mild moxibustion at Shenque(CV 8)for 15 *** hours after the exhaustive swimming,femoral artery blood was collected to detect blood lactate(BLA),lactate dehydrogenase(LDH),creatine kinase(CK),creatinine(CRE),blood urea nitrogen(BUN),cortisol(C)and testosterone(T)levels,and calculate the T/C ***:Compared with the blank group,rat's serum levels of BLA,LDH,CK,BUN and C in the model group and the non-meridian and non-acupoint group were increased,and serum levels of CRE and T,and T/C ratios were decreased(P<0.01 or P<0.05);compared with the model group and the non-meridian and non-acupoint group,the serum levels of BLA,LDH,CK,BUN and C in the Shenshu(BL 23)group,Zusanli(ST 36)group and Shenque(CV 8)group were decreased,and the serum CRE and T levels,and the T/C ratios were increased(all P<0.0

关键词： Moxibustion Therapy Moxa Stick Moxibustion Point,Shenque(CV 8) Point,Shenshu(BL 23) Point,Zusanli(ST 36) exhaustive exercise Fatigue Rats

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