Objective:To observe the effect of moxibustion on learning and memory abilities,corticosterone and glucocorticoid receptor(GR) in subacute aging rats.Methods:Twenty four Sprague-Dawley(SD) rats were randomly div...Objective:To observe the effect of moxibustion on learning and memory abilities,corticosterone and glucocorticoid receptor(GR) in subacute aging rats.Methods:Twenty four Sprague-Dawley(SD) rats were randomly divided into a normal group,a model group and a moxibustion group,8 rats in each group.Rats in the model group and the moxibustion group were subcutaneously injected with 25% D-galactose [125 mg/(kg·bw)] for 40 d continuous;rats in the normal group were injected with saline at the same position for 40 d continuous.Rats in the moxibustion group were given mild moxibustion at bilateral Shenshu(BL 23) at the same time of modeling;rats in the normal group and the model group were only identically grabbed without moxibustion for 40 d.The learning and memory abilities of rats were observed using the Morris water maze at the end of the experiment.Abdominal aorta blood and thymus were collected after water maze experiment.Enzyme-linked immunosorbent assay(ELISA) was used to detect serum corticosterone level,and immunohistochemical method was used to detect the expression of thymus GR.Results:Compared with the normal group,rats in the model group showed that a significantly longer escape latency time(P〈0.01) on the third and the fourth days;number of times crossing the platform in 70 s significantly reduced(P〈0.01);activity times in the fourth quadrant significantly decreased(P〈0.05);serum corticosterone levels increased(P〈0.01);thymus GR expression decreased(P〈0.05).Compared with the model group,rats in the moxibustion group showed that the escape latency times were significantly shorter on the third,the fourth and the fifth days(P〈0.01,P〈0.05);number of times crossing the platform in 70 s significantly increased(P〈0.05);activity times in the fourth quadrant significantly increased(P〈0.05);serum corticosterone levels decreased(P〈0.05);thymus GR expression increased(P〈0.05).Conclusion:Moxibustion could improve the learning and memory abilities of subacute aging rats,down-regulate serum corticosterone levels,and increase thymus GR content.展开更多
Objective: To observe the effect of electroacupuncture (EA) on the expression of erythropoie-tin-producing hepatocyte receptor B2 (EphB2) in the cortex around the infracted area of middle cerebral artery occlusi...Objective: To observe the effect of electroacupuncture (EA) on the expression of erythropoie-tin-producing hepatocyte receptor B2 (EphB2) in the cortex around the infracted area of middle cerebral artery occlusion (MCAO) rats at different timing, and to reveal the possible mechanism of acupuncture in the treatment of cerebral ischemia. Methods: A total of 180 male Sprague-Dawley (SD) rats were randomly divided into a sham operation group, a model group, an acupoint group and a non-acupoint group, with 45 rats in each group. Rats in each group were further divided into three subgroups: postoperative 3 d, postoperative 14 d and postoperative 2l d groups, with 15 rats in each subgroup. The MCAO model was made by the modified occlusion method. The neurological function score, 2,3,5-triphenyl tetrazolium chloride (TFC) staining, immunohistochemistry assay, immunofluorescence double labeling method and Western blot were used to detect the corresponding indicators. Results: The neurological impairment of rats was most obvious at postoperative 3 d, and then gradually improved with time, which was more significant in the acupoint group (P〈0.05). The change of infarcted volume was consistent with the neurological function impairment. The number of EphB2 positive cells (EphB2+) around the infarcted area was decreased significantly at postoperative 3 d, and then gradually improved with time, which returned to the same level as that in the sham operation group at postoperative 21 d. The increase was most significant in the acupoint group (P〈0.05), and the positive cell number was higher than that in the sham operation group (P〈0.01). Western blot and immunohistochemistry results were basically consistent. Immunofluorescence displayed that EphB2+ and postsynaptic density-95 positive (PSD-95+) were co-expressed, after the MCAO operation, in the cortical neuron around the infracted area, and the number of co-expressing cells was increased gradually with time, which was most significant in the acupoint group (P〈0.05). Conclusion: Electroacupuncture at Ganshu (BL 18) and Shenshu (BL 23) can significantly improve the neurological function and cerebral infarcted volume ratio of MCAO rats, which may be related to the activation of EphB2 expression in cortex around the infracted area and the promotion of synaptic remodeling.展开更多
OBJECTIVE: To investigate the effect of acupuncture at acupoint of Shenshu (BL 23) in ovariectomized rats and sham-operated rats. METHODS: Female Sprague-Dawley rats were divided into the following four groups (n...OBJECTIVE: To investigate the effect of acupuncture at acupoint of Shenshu (BL 23) in ovariectomized rats and sham-operated rats. METHODS: Female Sprague-Dawley rats were divided into the following four groups (n = 12 each): sham operation only (Sham), sham operation with acupuncture (Sham + ACP), ovariectomy only (OVX), and ovariectomy with acupuncture (OVX + ACP). Operations were performed at the 9th week of age. Acupuncture of Shenshu (BL 23) was started at the 1 lth week of age and conducted 3 times per week until the 26th week of age. RESULTS: Among ovariectomized rats, the acupuncture-treated rats had significantly lower body weights and cross-linked N-telopeptide of type 1 collagen levels in the urine after 3 weeks of acu- puncture treatment, higher bone mineral density of the lumbar vertebra after 7 weeks, and smaller trabecular separation of the sixth lumbar vertebra, measured by micro-computed tomography, after 17 weeks than control rats. These effects were not observed in sham-operated rats. Blood concentrations of estradiol were significantly higher in the OVX + ACP group than in the untreated group. Acupuncture treatment increased plasma testosterone levels in sham-operated rats, while this increase was not observed in OVX rats. CONCLUSION: Acupuncture of Shenshu (BL 23) prevents bone loss and structural changes by sup- pressing bone resorption.展开更多
OBJECTIVE:To examine whether specific stimulation of Shenshu(BL23)affects sympathetic nervous activity(SNA)-associated plasma renin concentration(PRC).METHODS:Eight healthy volunteers participated in three pattern con...OBJECTIVE:To examine whether specific stimulation of Shenshu(BL23)affects sympathetic nervous activity(SNA)-associated plasma renin concentration(PRC).METHODS:Eight healthy volunteers participated in three pattern conditions in random order:control(Cont),stimulation of Shenshu(BL23),and stimulation of sham point(Sham).All participants were initially in the supine position for>60 min,and then remained in the standing position during the experimental procedure to increase SNA.An electrocardiogram was used to calculate low frequency/high frequency(LF/HF)ratio;blood was collected to analyze PRC.RESULTS:The LF/HF ratio was significantly increased in the standing position when compared with the supine position(P<0.01).There was no difference in LF/HF ratio during or after stimulation of Shenshu(BL23)in the standing position when compared with before the stimulation in the supine position;however,the LF/HF ratio was significantly increased in Cont and Sham conditions(P<0.01).There was no difference in PRC after stimulation of Shenshu(BL23)in the standing position when compared with before the stimulation in the supine position;however,there was a significant increase in PRC in the Cont and Sham conditions(Cont P<0.05,Sham P<0.01).CONCLUSION:Our results demonstrated that specific acupuncture stimulation of Shenshu(BL23)in the standing position decreased SNA-associated PRC,which was not observed during acupuncture stimulation of the sham point.展开更多
OBJECTIVE: It is unknown whether the psoas major muscle, thought to be a key muscle for treatment of lower back pain, can be punctured at Shenshu(BL23).METHODS: Twelve dissected specimens were used for studying th...OBJECTIVE: It is unknown whether the psoas major muscle, thought to be a key muscle for treatment of lower back pain, can be punctured at Shenshu(BL23).METHODS: Twelve dissected specimens were used for studying the needling pathway of BL23 by perpendicularly inserting the depth-measuring blade of a vernier caliper at BL23. Dimensions of psoas muscle were measured. Correlation studies were conducted. In addition, our samples were grouped by gender and underlying medical conditions for analysis.RESULTS: Half(50%) of the needle insertions successfully punctured psoas muscle. The mean depth of needle insertion to puncture psoas muscle(D_(min)) in the group with short-term underlying medical conditions was 38.0 mm(interquartile range 29.0–51.8 mm), approximately 6 mm deeper than 32.0(29.3–42.5) mm in the group with long-term health problems(P = 0.041). The cross-sectional area(CSA) of psoas muscle in the former group was on average approximately 1.5 times that of the latter group(P = 0.04). When the data were analysed by gender, the thickness of psoas muscle in the male group was 19.0(6.5–24.0) mm compared to 19.5(5.8–34.8) mm in the female group(P = 0.02). The age in the female group(P = 0.04) and the body length of the total group(P = 0.04) negatively correlated to D_(min).CONCLUSION: Needle insertion at BL23 might be able to puncture psoas muscle. Differences in the CSA of psoas muscle and D_(min) were observed in groups with short-term and long-term underlying medical conditions.展开更多
基金supported by National Natural Science Foundation of China(No.81303029)National Basic Research Program of China(973 Program,No.2009CB522900)Natural Science Foundation of Shanghai(No.12ZR1429700)~~
文摘Objective:To observe the effect of moxibustion on learning and memory abilities,corticosterone and glucocorticoid receptor(GR) in subacute aging rats.Methods:Twenty four Sprague-Dawley(SD) rats were randomly divided into a normal group,a model group and a moxibustion group,8 rats in each group.Rats in the model group and the moxibustion group were subcutaneously injected with 25% D-galactose [125 mg/(kg·bw)] for 40 d continuous;rats in the normal group were injected with saline at the same position for 40 d continuous.Rats in the moxibustion group were given mild moxibustion at bilateral Shenshu(BL 23) at the same time of modeling;rats in the normal group and the model group were only identically grabbed without moxibustion for 40 d.The learning and memory abilities of rats were observed using the Morris water maze at the end of the experiment.Abdominal aorta blood and thymus were collected after water maze experiment.Enzyme-linked immunosorbent assay(ELISA) was used to detect serum corticosterone level,and immunohistochemical method was used to detect the expression of thymus GR.Results:Compared with the normal group,rats in the model group showed that a significantly longer escape latency time(P〈0.01) on the third and the fourth days;number of times crossing the platform in 70 s significantly reduced(P〈0.01);activity times in the fourth quadrant significantly decreased(P〈0.05);serum corticosterone levels increased(P〈0.01);thymus GR expression decreased(P〈0.05).Compared with the model group,rats in the moxibustion group showed that the escape latency times were significantly shorter on the third,the fourth and the fifth days(P〈0.01,P〈0.05);number of times crossing the platform in 70 s significantly increased(P〈0.05);activity times in the fourth quadrant significantly increased(P〈0.05);serum corticosterone levels decreased(P〈0.05);thymus GR expression increased(P〈0.05).Conclusion:Moxibustion could improve the learning and memory abilities of subacute aging rats,down-regulate serum corticosterone levels,and increase thymus GR content.
基金supported by the Open Fund for Colleges and Universities Innovation Platform of Hunan Province,No.14K070Key Project of Hunan Province Administration of Traditional Chinese Medicine,No.201310Innovation Fund Project for Graduate Student of Hunan Province,No.CX2014B360~~
文摘Objective: To observe the effect of electroacupuncture (EA) on the expression of erythropoie-tin-producing hepatocyte receptor B2 (EphB2) in the cortex around the infracted area of middle cerebral artery occlusion (MCAO) rats at different timing, and to reveal the possible mechanism of acupuncture in the treatment of cerebral ischemia. Methods: A total of 180 male Sprague-Dawley (SD) rats were randomly divided into a sham operation group, a model group, an acupoint group and a non-acupoint group, with 45 rats in each group. Rats in each group were further divided into three subgroups: postoperative 3 d, postoperative 14 d and postoperative 2l d groups, with 15 rats in each subgroup. The MCAO model was made by the modified occlusion method. The neurological function score, 2,3,5-triphenyl tetrazolium chloride (TFC) staining, immunohistochemistry assay, immunofluorescence double labeling method and Western blot were used to detect the corresponding indicators. Results: The neurological impairment of rats was most obvious at postoperative 3 d, and then gradually improved with time, which was more significant in the acupoint group (P〈0.05). The change of infarcted volume was consistent with the neurological function impairment. The number of EphB2 positive cells (EphB2+) around the infarcted area was decreased significantly at postoperative 3 d, and then gradually improved with time, which returned to the same level as that in the sham operation group at postoperative 21 d. The increase was most significant in the acupoint group (P〈0.05), and the positive cell number was higher than that in the sham operation group (P〈0.01). Western blot and immunohistochemistry results were basically consistent. Immunofluorescence displayed that EphB2+ and postsynaptic density-95 positive (PSD-95+) were co-expressed, after the MCAO operation, in the cortical neuron around the infracted area, and the number of co-expressing cells was increased gradually with time, which was most significant in the acupoint group (P〈0.05). Conclusion: Electroacupuncture at Ganshu (BL 18) and Shenshu (BL 23) can significantly improve the neurological function and cerebral infarcted volume ratio of MCAO rats, which may be related to the activation of EphB2 expression in cortex around the infracted area and the promotion of synaptic remodeling.
基金Supported by"High-Tech Research Center"Project for Private Universities:Matching Fund Subsidy from Ministry of Education,Culture,Sports,Science,and Technology(No.2006-2010)
文摘OBJECTIVE: To investigate the effect of acupuncture at acupoint of Shenshu (BL 23) in ovariectomized rats and sham-operated rats. METHODS: Female Sprague-Dawley rats were divided into the following four groups (n = 12 each): sham operation only (Sham), sham operation with acupuncture (Sham + ACP), ovariectomy only (OVX), and ovariectomy with acupuncture (OVX + ACP). Operations were performed at the 9th week of age. Acupuncture of Shenshu (BL 23) was started at the 1 lth week of age and conducted 3 times per week until the 26th week of age. RESULTS: Among ovariectomized rats, the acupuncture-treated rats had significantly lower body weights and cross-linked N-telopeptide of type 1 collagen levels in the urine after 3 weeks of acu- puncture treatment, higher bone mineral density of the lumbar vertebra after 7 weeks, and smaller trabecular separation of the sixth lumbar vertebra, measured by micro-computed tomography, after 17 weeks than control rats. These effects were not observed in sham-operated rats. Blood concentrations of estradiol were significantly higher in the OVX + ACP group than in the untreated group. Acupuncture treatment increased plasma testosterone levels in sham-operated rats, while this increase was not observed in OVX rats. CONCLUSION: Acupuncture of Shenshu (BL 23) prevents bone loss and structural changes by sup- pressing bone resorption.
文摘OBJECTIVE:To examine whether specific stimulation of Shenshu(BL23)affects sympathetic nervous activity(SNA)-associated plasma renin concentration(PRC).METHODS:Eight healthy volunteers participated in three pattern conditions in random order:control(Cont),stimulation of Shenshu(BL23),and stimulation of sham point(Sham).All participants were initially in the supine position for>60 min,and then remained in the standing position during the experimental procedure to increase SNA.An electrocardiogram was used to calculate low frequency/high frequency(LF/HF)ratio;blood was collected to analyze PRC.RESULTS:The LF/HF ratio was significantly increased in the standing position when compared with the supine position(P<0.01).There was no difference in LF/HF ratio during or after stimulation of Shenshu(BL23)in the standing position when compared with before the stimulation in the supine position;however,the LF/HF ratio was significantly increased in Cont and Sham conditions(P<0.01).There was no difference in PRC after stimulation of Shenshu(BL23)in the standing position when compared with before the stimulation in the supine position;however,there was a significant increase in PRC in the Cont and Sham conditions(Cont P<0.05,Sham P<0.01).CONCLUSION:Our results demonstrated that specific acupuncture stimulation of Shenshu(BL23)in the standing position decreased SNA-associated PRC,which was not observed during acupuncture stimulation of the sham point.
文摘OBJECTIVE: It is unknown whether the psoas major muscle, thought to be a key muscle for treatment of lower back pain, can be punctured at Shenshu(BL23).METHODS: Twelve dissected specimens were used for studying the needling pathway of BL23 by perpendicularly inserting the depth-measuring blade of a vernier caliper at BL23. Dimensions of psoas muscle were measured. Correlation studies were conducted. In addition, our samples were grouped by gender and underlying medical conditions for analysis.RESULTS: Half(50%) of the needle insertions successfully punctured psoas muscle. The mean depth of needle insertion to puncture psoas muscle(D_(min)) in the group with short-term underlying medical conditions was 38.0 mm(interquartile range 29.0–51.8 mm), approximately 6 mm deeper than 32.0(29.3–42.5) mm in the group with long-term health problems(P = 0.041). The cross-sectional area(CSA) of psoas muscle in the former group was on average approximately 1.5 times that of the latter group(P = 0.04). When the data were analysed by gender, the thickness of psoas muscle in the male group was 19.0(6.5–24.0) mm compared to 19.5(5.8–34.8) mm in the female group(P = 0.02). The age in the female group(P = 0.04) and the body length of the total group(P = 0.04) negatively correlated to D_(min).CONCLUSION: Needle insertion at BL23 might be able to puncture psoas muscle. Differences in the CSA of psoas muscle and D_(min) were observed in groups with short-term and long-term underlying medical conditions.