1.Expression and Clinical Significance of miR-143 in Esophageal Squamous Cell Carcinoma and Esophageal Intraepithelial Neoplasia
Zhimei ZHANG ; Xiaoyan HE ; Ruihua SHI
Chinese Journal of Gastroenterology 2017;22(6):364-366
Studies have shown that microRNA plays a role of oncogene or tumor suppressor gene in the carcinogenesis and progression of tumor.However, the role of microRNA-143 (miR-143) in esophageal squamous cell carcinoma (ESCC) needs further study.Aims: To investigate the expression and clinical significance of miR-143 in ESCC.Methods: Sixty-three ESCC tissues and corresponding para-cancerous tissues, 40 esophageal intraepithelial neoplasia (IEN) tissues and corresponding normal tissues from Jan.2013 to Dec.2013 at the First Affiliated Hospital with Nanjing Medical University were enrolled.The expression of miR-143 was examined by real-time quantitative PCR, and its correlations with clinicopathological features were analyzed.Results: Compared with controls, expression of miR-143 was down-regulated in ESCC and IEN (P<0.05).Expression of miR-143 was correlated with pathological type (P<0.001), but not with gender and age (P>0.05).Expression of miR-143 was correlated with pathological staging, lymph node metastasis and TNM staging (P<0.05), but not correlated with tumor infiltration depth in ESCC patients (P>0.05).Conclusions: Expression of miR-143 is down-regulated in ESCC and IEN tissues, which may be closely related to the development and progression of ESCC, and has the potential to be used as a new target for diagnosis of ESCC.
2.Performance Verification of LP(a)Reagents in Clinical Laboratory
Qian HE ; Ruihua YANG ; Qi WANG
Journal of Modern Laboratory Medicine 2016;(1):125-127
Objective To validate the analytical performance of four LP(a)reagents with Immunoturbidimetry method used on the automatic biochemistry analyzer for preliminary clinical application.Methods The performance of four LP(a)reagents (labeled as A,B,C,D)with method from RANDOX,Zhejiang Kuake Co.,Beijing Leadman Co.and Beijing Jiuqiang Co.on Olympus AU5800 automatic biochemistry analyzer were assessed.The precision,linearity range,accuracy,disturbance (vita-min C,bilirubin,hemoglobin,TG)were assessed.Results The within-run CVs of the four reagents (A,B,C and D)were 0.64%~1.18%,3.59%~4.75%,1.33%~3.05% and 1.43%~2.01% respectively.The between-run CVs in A,B,C and D were 1.04%~1.7%,3.81%~4.93%,2.16%~4.76% and 2.33%~3.21% respectively,lower than the stated.The lin-earity range was 82~923 mg/L (r2 =0.997),130~935 mg/L (r 2 =0.996 4),120~1025 mg/L (r 2 =0.992 1)and 117~943 mg/L (r2 =0.999 5)in the four reagents,which demonstrated a sound linear correlation.For interference tests,no re-markable interferences (<±10%)of reagent A and reagent D were detected when Vitamin C≤10 mg/dl,hemoglobin≤200 mg/dl,bilirubin≤40 mg/dl and TG≤500 mg/dl.Interference of reagent B was found when VC≥5 mg/dl,TG≥250 mg/dl and when TG≥250 mg/dl reagent C was interfered significantly.The four LP(a)reagents were used to detect the lipid con-trol,and the deviations of the target value were - 8.07%,1.34%,- 8.05% and 7.38% respectively.Conclusion When used in automatic biochemical analyzer,the four LP(a)reagents showed high precision.The four reagents are all able to meet clinical test requirements,nevertheless,anti-interference capability were different.
3.Treatment of 60 Cases of Senile Herpes Zoster by Encircled Acupuncture plus Valaciclovir
Yingdan HE ; Ruihua FANG ; Le KUAI
Journal of Acupuncture and Tuina Science 2007;5(3):171-173
To observe the clinical therapeutic effect and safety of local encircled acupuncture plus valaciclovir in treating senile herpes zoster.Methods:Sixty senile patients with herpes zoster were divided into two groups.In acupuncture and medicine group,the patients were treated by encircled acupuncture plus valaciclovir.The needle was inserted about 0.8 cun away from herpes and to form an angle of 15°with the skin around the skin lesion.During treatment,valaciclovir was taken orally 300 mg every time,twice every day for successive 10 days.In westem medicine group,valaciclovir was taken orally 300 mg every time,twice every day for successive 10 days.Results:The time of stopping herpes,relieving pain andscabbing in acupuncture and medicine group was significantly lower than that in western group.Conclusion:Local encircled acupuncture plus valaciclovir in treating senile herpes zoster got effects quickly and could effectively shorten the course of disease and reduce the incidence rateofresidual neuralgia.
4.Performance verification of three ischemia-modified albumin reagents
Qian HE ; Ruihua YANG ; Qi WANG
International Journal of Laboratory Medicine 2016;37(5):606-607,610
Objective To verify the performance of three kinds of ischemia‐modified albumin(IMA) reagents .Methods The performance of three IMA reagents(labeled as reagent A ,B ,C) using colorimetric method from Shanghai Aikang Biotechnology Co .,Ltd .,Zhejiang Kuake Bioscience Technology Co .ltd .and Beijing Jiuqiang Biotechnology Co .,Ltd .were assessed by using O‐lympus AU5800 automatic biochemistry analyzer .According to the National Committee for Clinical Laboratory(NCCLS) EP6‐A , EP15‐A and EP7‐A documents and WS/T 420‐2013 verificationof analytical performance of quantitative kits by clinical labo‐ratory ,the precision ,linearity range ,accuracy and anti‐interference capability were assessed .Results The within‐run coefficient of variations(CVs) of reagent A ,B and C were 0 .59% -0 .82% ,0 .27% -0 .54% and 0 .62% -0 .69% respectively .The between‐run CVs of reagent A ,B and C were 0 .98% -1 .74% ,0 .99% -1 .01% and 0 .71% -0 .78% ,respectively ,which were lower than decla‐rations of these reagent kits .The linearity range of reagent A ,B and C were 11 -142 U/mL(r2 = 0 .993) ,10 -120 U/mL(r2 =0 .996) ,14-123 U/mL(r2 =0 .992) respectively ,which showed good linearities .About interference tests ,no remarkable interfer‐ences(all Bias were less than ± 10% ) of reagent A ,B and C were detected when Vitamin C≤10 mg/dL ,hemoglobin≤200 mg/dL , bilirubin≤40 mg/dL and triglyceride≤500 mg/dL .Conclusion The three IMA reagents show high precision ,which could meet clinical requirements ,nevertheless ,differences of anti‐interference capabilities are observed in these three reagents .
5.Effects of suppression hypoxia-inducible factor-1α expression by small interfering RNA on glycolysis in esophageal carcinoma
Nana TANG ; Hong ZHU ; Guijun HE ; Bo HAO ; Ruihua SHI
Chinese Journal of Digestion 2013;(2):115-118
Objective To investigate the effects of hypoxia-inducible factor (HIF)-1α on glycolysis of human esophageal squamous carcinoma cells and the possible mechanism.Methods TE13 and Eca109 cells were cultured under normal oxygen (20%O2) and hypoxia (1%O2) conditions.The hypoxia was duration 6 hours,12 hours,24 hours and 48 hours.HIF-1α gene was stable silented by RNA interference method and TE13/small interfering HIF cells and Eca109/siHIF cells were obtained.The cell culture condition and time was same as TE13 and Eca109 cells.The changes of HIF-1α expression were detected by Western-blot.The changes of lactic acid concentration in cell culture supernatant were determined by Spectrophotometry.The changes of glucose transporter-1 (GLUT-1) and lactic dehydrogenase A (LDHA) expression at mRNA level were examined by realtime polymerase chain reaction.The changes of GLUT-1 and LDHA expression at protein level were tested by Western blot.Using t or t' test to analyze the effects of hypoxia duration on HIF-1αexpression at protein level.One-way ANOVA was applied for the difference analysis between the groups.Results In TE13 and Eca109 cells,the HIF-1α expression significantly increased under hypoxia condition and reached the peak at 12 hour (t=6.11,8.31; both P<0.05).The lactic acid secretion of TE13/siHIF cells and Eca109/siHIF cells was (1.24±0.33) and (1.28±0.37) mmol/L,which significantly decreased when compared with TE13 and Eca109 cells [(3.25±1.34) and (4.91±1.69) mmol/L,t=2.53,3.59,both P<0.05].The lactic acid secretion of TE13 and Eca109 cells significantly increased after hypoxia [(6.48±1.73) and (8.02± 1.95) mmol/L,t=2.715,2.050,both P<0.05].There was no significant lactic acid secretion in TE13/siHIF cells and Eca109/siHIF cells after hypoxia (P > 0.05).The expressions of GLUT-1 and LDHA at mRNA level were significantly suppressed in TE13/siHIF cells and Eca109/siHIF cells (normal oxygen:t=6.98,3.92,7.25,3.67,all P<0.05).The expression of GLUT-1 at protein level remarkably weaked (normal oxygen:t=4.57、16.56,hypoxia:t=6.19、6.09,all P<0.05),while the expression of LDHA at protein level slightly decreased (P>0.05).Conclusions The level of glycolysis can be lowered by suppression HIF-1α expression in human esophageal squamous carcinoma cells.The pathway may be involved in the suppression of GLUT-1 and LDHA expression.Except for HIF-1α,there may be other regulating factors in LDHA protein expression at same time.
6.Software Design for a Portable Ultrasound Bone Densitometer.
Jiangjun DENG ; Jie DING ; Shijie XU ; Ruihua GENG ; Aijun HE
Journal of Biomedical Engineering 2015;32(5):1026-1030
In order to meet the requirements of ultrasound bone density measurement, we designed a sofware based on Visual Studio C+ + 2008. The software includes interface design, acquisition and control, data processing and parameter extraction, data storage and printing. Excellent human-computer interface (HCI) will give users a convenient experience. Auto gain control (AGC) and digital filter can improve the precision effectively. In addition, we can observe waveform clearly in real time. By using USB communication, we can send control commands to the acquisition and get data effectively, which can shorten the measuring time. Then we calculated the speed of sound (SOS) and broadband ultrasound attenuation (BUA). Patients' information can be accessed by using XML document. Finally, the software offers printing function.
Absorptiometry, Photon
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instrumentation
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Bone Density
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Humans
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Information Storage and Retrieval
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Software
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Sound
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Ultrasonics
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methods
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User-Computer Interface
7.MRI Diagnosis of Achilles Tendon Rupture
Jianrong XU ; Wan WANG ; Hongyuan HE ; Zhuhua ZHU ; Ruihua QIAO
Journal of Practical Radiology 2001;0(09):-
Objective To analyze the diagnostic methods of Achilles tendon rupture by MRI.Methods All 16 cases with Achilles tendon rupture were examined with sagital T 1,2 WI and axial T 1WI imaging.4 cases were appended Gd-DTPA enhancement.6 cases were followed up with MRI after 6~8 weeks.Results MRI appearance of Achilles tendon rupture represented Achilles tendon thickening,decrescent ratio of wide/vertical survey,hyperintensity in tendon,discontinuous fibrous bundle,fluid collected around tendon comparing with of normal Achilles tendon.Conclusion MRI is an valuable tool for the diagnosis of Achilles tendon rupture.
8.Construction of WeChat public platform in class A hospitals affiliated to Sichuan Province in Chengdu
Xin XU ; Zhihui LIU ; Daren ZHAO ; Sichang HE ; Ruihua ZHANG
Chinese Journal of Medical Library and Information Science 2016;25(9):68-73
Objective To investigate the current situation in construction of WeChat public platform in 9 class A hospitals affiliated to Sichuan Province in Chengdu. Methods The problems and the reasons why they occurred in construction of WeChat public platform in these 9 hospitals were analyzed by literature analysis, interview, Topsis and RSR analysis, and their combination. Results The problems found in hospital WeChat public platform included imperfect management, unmatched construction level and hospital scale, insufficient government policy support and effective supervising mechanisms. Conclusion Hospitals should strengthen the construction and management of their WeChat public platform, innovatively construct their WeChat public platform, win over sufficient government policy support, and improve their supervising mechanisms.
9.Protective effect of blood-activating and stasis-resolving medicines against cerebral ischemia-reperfusion injury in rats: A controlled trial to verify the time-effect and dose-effect relation
Suping ZHANG ; Rui HE ; Muzhen WANG ; Wanqing DENG ; Ruihua LIANG ; Jinghua LIN
Chinese Journal of Tissue Engineering Research 2005;9(25):226-229
BACKGROUND: The injury of blood-brain barrier following cerebral ischemia reperfusion is a considerate pathological basis for injury caused by cerebral ischemia and reperfusion.OBJECTIVE: To investigate the effects of four most basic Chinese medicinal herbs, or safflower, peach seed, ligusticum and red peony with actions of activating blood and resolving the stasis on the contents of nitric oxide, immunoglobulins, C-reactive protein (CRP) and complements (immunological indices) of serum and cerebral homogenate, as well as the morphological and structural changes of cerebral tissue cells in rats with ischemia and reperfusion to vertify relationship between time effectiveness and quantitative effectiveness.DESIGN: A randomized controlled study, and evaluation by single blind.MATERIALS: The experiment was completed in the Laboratory of Traumatology Institute of Guangzhou Red Cross Hospital from January 2001 to De cember 2002. Safflower, peach seed, szechwan lovge rhizome and red peony are concentrated granules of single decocting pieces, the blood activating and stasis resolving decoction was prepared at 2.5 g/L according to 1:1:1:2 ratio.Totally 138 adult female SD rats were selected for the experiment,weighing 280-300 g, provided by Animal Center of Guangzhou University of TCM.INTERVENTIONS:The models rats with middle cerebral artery occlusion were set up by thread ligation(24 hours reperfusion after 2 hours middle cerebral artery occlusion).All 138 rats were randomly divided into 6 groups with 23 in each group.Sham operation group:The vessels were ligated but the middle cerebral artery was not occluded.No.1 medicated group: The BASR was by gavage given in a dose of 2 g/kg 30 minutes before operation. No. 2 medicated group: The BASR was by garage given in a dose of 2.5 g/kg 30 minutes before operation. No. 3 medicated group: The BASR was by garage given in a dose of 2 g/kg for consecutive 7 days be fore operation. No. 4 medicated group: The BASR was by gavage given in a dose of 2.5 g/kg for consecutive 7 days before operation.Control group:the same volume of saline was by gavage given for consecutive 7 days before operation. ① Scoring of dysneuria (5-score system: 0-1 score meant mild dysneuria, 2-4 scores meant severe dysneuria) for all rats were performed after consciousness following 2 hours ischemia and 24 hours reperfusion.② After 24 hours reperfusion,10 rats in each group were at random selected for assay of levels of CRP, complement 3 (C3) and complement 4 (C4) (rate nephelometry), and concentration of nitric oxide (nitrate reductase method)in both cerebral homogenate and serum.③ After 24hours reperfusion, 10 rats in each group were at random selected, and after anesthesia was completed, the brain was quickly collected through decapitation, put into a 110 ℃ drying oven till its constant weight, then the water content in brain was calculated.④ The cerebral cytomorphology in every group was observed under light microscope. ⑤ After reperfusion, 3 rats in each group were randomly selected for preparation of coronal section of cerebral tissue,the cerebral ultrastructure in each group was observed under transmission electronic microscope.MAIN OUTCOME MEASURES: ① The results of dysneuria scoring in each group. ② The levels of CRP, C3 and C4, and concentration of nitric oxide in both cerebral homogenate and serum.③ The water content in brain. ④ The cerebral cytomorphology and the cerebral ultrastructure. RESULTS: All 138 rats entered into the result analysis. ① Comparison of the extents of dysneuria of rats in each group: The ratio of severe dysneuria after 24 hours ischemic reperfusion in all medicated groups was obviously lower than that in control group(P < 0.01),and the ratio in No.4 medicated group was lower than that in No.2 medicated group(P < 0.05).② Comparison of water contents in brain of rats in each group:The water contents in sham operation group and all medicated groups were obviously lower than that in control group (P < 0.05). ③ Comparison of the nitric oxide concentration in cerebral homogenate of rats in each group: The concentration in sham operation group and all medicated groups were obviously lower than that in control group (P < 0.01). The concentration in No. 3medicated group was obviously lower than that in No. 1 medicated group (P < 0.05).The concentration in No.4 medicated group was obviously lower than that in No. 2 medicated group (P < 0.01). ④ Comparison of the nitric oxide concentration in serum of rats in each group:The concentrations in sham operation group and all medicated groups were obviously lower than that in control group(P < 0.01).The concentration in No.3 medicated group was higher than that in No. 1 medicated group (P < 0.05). The concentration in No. 4 medicated group was higher than those in No. 2 and in No. 3 medicated groups (P < 0.05). ⑤ Comparison of the levels of CRP in cerebral homogenate and serum of rats in each group: The levels in sham operation group and all medicated groups were lower than that in control group(P < 0.05-0.01).The level in No.3 medicated group was lower than that in No. 1 medicated group (P < 0.01). The level in No. 4 medicated group was lower than those in No. 2 and in No. 3 medicated groups (P <0.05-0.01).⑥ Comparison of the levels of C3 in cerebral homogenate and serum of rats in each group:The levels in sham operation group and all medicated groups were lower than that in control group (P < 0.05-0.01). The level in No.3 medicated group was lower than that in No.1 medicated group (P < 0.05). The level in No. 4 medicated group was lower than those in No. 2 and in No. 3 medicated groups (P < 0.01). ⑦ Comparison of the levels of C 4 in cerebral homogenate and serum of rats in each group:The levels in sham operation group and all medicated groups were lower than that in control group (P < 0.05-0.01). The level in No. 3 medicated group was lower than that in No. 1 medicated group (P < 0.05). The level in No.4 medicated group was lower than those in No. 2 and in No. 3 medicated groups (P < 0.01). ⑧ Comparison of the condition of cerebral edema of rats in each group:In control group there was obvious cerebral congestive edema,indicating an obvious infection;while in medicated groups the extent of cerebral edema was milder than that in control group.⑨ Changes of cerebral ultrastructure of rats in each group:The ultrastructure in sham group was normal. In control group, there obvious edema of cells, capillaries and sheaths in the marginal zone of cortex necrosis,and reduction of organelles of neuron. As well. In No. 3 and No. 4 medicated groups, the limits of cell membranes were clear, the structure was integral, the chondriosomes were rich and even in size,the medullated fibers were morphologically normal.And in No.1 and No.2 medicated groups the changes were between the twoCONCLUSION:① The scoring of dysneuria in rats was decreased after the blood-activating and stasis-resolving medicine was given,and it was lower in rats that were given a longer period of medication,indicating that the improved extent for dysneuria is related to prolonged medication.②The nitric oxide concentration of cerebral tissue in rats that recevied the blood-activating and stasis-resolving medicine was decreased, and the nitric oxide concentration of serum in the rats was increased,indicating that the blood-activating and stasis-resolving medicine can reverse the anomalies of nitric concentration in different tissues after ischemic reperfusion so as to reduce cerebralinjury.③ The levels of C3 and C4 of cerebral tissue and serum in rats that received the blood-activating andstasis-resolving medicine were obviously decreased,indicating that the medicine may reduce the cerebral injury through triggering complement system;and the CRP was also get decreased,further suggesting that the medicine can inhibiting infective reaction.④ The longer the period of medication,the milder the cerebral injury, and the dose of 2.5 g/L was better in effect.
10.Graded and time effects of huoxue huayu tang on anti-injury of cerebral ischemic reperfusion in rats
Rui HE ; Suping ZHANG ; Muzhen WANG ; Wanqing DENG ; Ruihua LIANG ; Jinghua LIN
Chinese Journal of Tissue Engineering Research 2005;9(25):196-199
BACKGROUND: It has been known that re-recovery of blood flow after cerebral ischema may aggravate brain injury. It has been verified in some researches that the components for activating blood circulation and removing stasis in Chinese herbs can resist cerebral ischemic reperfusion injury.OBJECTIVE: To observe 4 most basic Chinese herbs for activating blood circulation and resolving stasis [honghua (Flos Carthami), taoren (Semen Persicase), chuanxiong (Rhizoma ligustici Chuanxiong) and chishao (Radix Paeoniae Rubra)] as the exertive factors on their influences on immune index changes in IgG, C-reactive protein (CRP) and complements of serum and homogenate in brain tissue so as to verify their graded and time effects.DESIGN: Randomized control experiment and single blind method.SETTING: Guangzhou Red Cross Hospital and Department of Neurology of the Fourth Hospital Affiliated to Jina University.MATERIALS: The experiment was performed from January 2001 to Decemb er 2002 in Experimental Room of Traumatic Institute of Guangzhou Red Cross Hospital. Totally 138 SD female adult rats were employed, mass weighted varied from 280 to 300 g, provided from Experimental Animal Center of Guangzhou University of Chinese Medicine. Honghua (Flos Carthami), taoren (Semen Persicase), chuanxiong (Rhizoma ligustici Chuanxiong)and chishao (Radix Paeoniae Rubra)] were the concentrated granules individually. At the ratio of 1:1:1:2, they were prepared into 2.5 g/mL raw herbal decoction (huoxue huayu tang).INTERVENTIONS: Thread embolic method was used to prepare cerebral medium sized artery obstruction model in rats (reperfusion for 24 hours after cerebral medium sized artery obstruction for 2 hours). Totally 138 rats were randomized into 6 groups, 23 rats in each. Sham operation group: ligature was done in each vessel without blocking medium sized artery of cerebrum.First perfusion group: 30 minutes before operation, gastric peffusion was done with 2 g/kg huoxue huayu tang. Second peffusion group: 30 minutes before operation, gastric perfusion was done with 2.5 g/kg huoxue huayu tang. Third perfusion group: before operation, gastric perfusion was done with 2 g/kg huoxue huayu tang continuously for 7 days. Fourth perfusion group: before operation, gastric perfusion was done with 2.5 g/kg huoxue huayu tang continuously for 7 days. In the control, physiological saline of all of the groups, when rats woke up, after 24 hours reperfusion and 2 hours ischemia, neural functional deficits were evaluated (5-score system, 0-1:After 24 hours reperfusion, 10 rats were randomized from each group for determination of the contents of CRP in homogenate and serum, complehours reperfusion, 10 rats were randomized from each group. After anesthetized, they were sacrificed rapidly to collect brains. Dried over heat in oven at 110℃ till constant weight, the water content of brain tissue was domized from each group to observe ultrastructure of brain tissue under transmission electron microscope (TEM) of rats in each group.and homogenate, complement C3 and C4 as well as serum IgG in rats of of severe neural functional deficits after 24 hours ischemic reperfusion in rats of each peffusion group was lower remarkably than the control (P < 0.01),in which, that in fourth peffusion group was lower than second group (13%,group and each perfusion group was lower than the control (P < 0.05), in which, that in third peffusion group was lower than first group (P < 0.01).ment C3: That in sham operation group and each perfusion group was lower sham operation group and each perfusion group was lower than the control ( P < 0.01), in which, that in third perfusion group was lower than first group (P < 0.01); That in fourth perfusion group was lower than second and group and each perfusion group was lower than the control (P < 0.01), in which, that in fourth perfusion group was lower than second group(P < 0.05).each perfusion group was lower than the control (t=5.626-17.929, P < 0.01),in which, that in third perfusion group was lower than first group (P < 0.01),complement C3 in brain homogenate: That in sham operation group and each perfusion group was lower than the control (P < 0.05-0.01), in which, third perfusion group was lower than first group (P < 0.01), that in fourth group brain homogenate: That in sham operation group and each perfusion group was lower than the control ( P< 0.05-0.01), in which, that in third perfusion group was lower than first group (P < 0.01), that in fourth group was lower tissue: The inflammatory reaction in the control was obvious. Brain edema and pathological damage in perfusion groups were milder than the control.Ulztrastructure was normal in sham operation group. The edema was obvious in cells, capillaries and myelin sheath in cortical necrosis margin area and neuronal cell organs were decreased in the control. In third and fourth peffusion groups, cellular membrane was clear in boundary line,integrative in structure, rich in mitochondria and even in size and the morphology of medullated fibers was normal. The situation of first and second perfusion was between two of them.deficits in the evaluation of rats and the score with long medication was lower, suggesting that long medication can even better improve neural funcplement C3 and C4 in brain bomogenate and serum and decreases serum IgG content, explaining that the medicine alleviates brain tissue injury by startup complement system. The remarkable decrease of C-reactive protein further suggests the inhibition of such medicine on inflammatory reaction.jury is, and the better result is achieved at dosage of 2.5 g/L.