4.Effect of the intraperitoneal injection of ATP on denervated skeletal muscle atrophy and neurotrophic factor-3 in spinal cord motor neuron after brachial plexus injuries
Wei-Hua HOU ; Xiang-Dong YUN ; Shuan-Ke WANG ;
Chinese Journal of Microsurgery 2000;0(02):-
Objective To observe the influence of ATP protection after brachial plexus injuries. Methods A total of 80 female Wistar rats,weighting 280~300 g,were randomly divided into ATP and con- trol groups.The right C_5~T_1 nerve roots were transected and then the intraperitoneal injection of 4m[ of ATP or normal saline was given immediately and once daily to the rats,respectively.The rats were sacrificed on postoperative days 14,28 and 42 respectively.The C_5-T_1 segments of the spinal cord were harvested.NT-3 activity was measured by enzymo-histochemistry method.Four weeks and 6 weeks postoperatively,ultrastruc- ture of the denervated skeletal muscles was observed.Results Compared to the control group,the expres- sions of NT-3 was increased in the treated groups with ATP injection (P
5.RP-HPLC Determination of Puerarin in Xinkeshu Tablet
Hua YIN ; Qiang YUAN ; Xiaoye DONG ; Chengshuai XIANG ;
Traditional Chinese Drug Research & Clinical Pharmacology 2000;0(06):-
Objective To establish a RP-HPLC method for determining the content of puerarin in Xinkeshu Tablets. Method The analysis was carried on a column of Zorbax Eclipse XDB-C_(18)(4.6 mm?150mm,5?m)at 25℃,with methanol-water-phosphoric acid(23:77:0.5)as mobile phase.The flow rate was 1.0 mL?min~(-1),and the detection wavelength was 250 nm.Result A good linearity was found in the range of 27.1~271.0 ng.The average recovery rate was 100.5 %,and RSD was 1.8%(n=5).Conclusion The method is simple,rapid,accurate,reproducible,and can be used to control the quality of Xinkeshu Tablets.
6.Research of the relationship between intervertebral disc pressure and clinical efficacy after cervical minimally invasive surgery
Xuanping XIANG ; Hua WANG ; Yuanli DU ; Fei LI ; Chunyan XIANG ; Dong ZHENG ; Shuhua YANG
Chinese Journal of Postgraduates of Medicine 2011;34(26):11-13
ObjectiveTo investigate the relationship between intervertebral disc pressure and clinical efficacy after the minimally invasive treatment of cervical disc herniation. MethodsForty-seven patients with cervical disc herniation treated by disc radiofrequency ablation, and monitored the intervertebral disc pressure after that. Moreover, the correlation between the pressure and the clinical efficacy was observed. ResultsAll cases were successfully completed under pressure monitoring. Forty-seven cases underwent a follow-up of 1-25 months,according to JOA score,using postoperative improvement rate (Hirabashi formula) to assess the clinical efficacy. High efficacy in 25 cases,fine efficacy in 19 cases,good efficacy in 3 cases,high and fine efficacy rate was 93.6% (44/47). The postoperative intervertebral discpressure was significantly correlated with improvement rate after cervical minimally invasive surgery (P <0.05). ConclusionsRadiofrequency ablation treatment of cervical disc herniation is safe and effective minimally invasive technique. If the pressure in the postoperative intervertebral disc is 3 kPa,it will get better prognosis.
7.Construction of a Saccharopolyspora erythraea mutant producing erythromycin B as its major fermentation product
Hao, ZHAO ; Xiang, DONG ; Bu-Chang, ZHANG ; Hua, YUAN ; Xun-Duan, HUANG ; Shu-Xiang, ZHANG
Bulletin of The Academy of Military Medical Sciences 2009;33(1):18-23
Objective:To obtain a large amount of erythromycin B and to investigate the activity site in eryK. Methods:The key sequence of the BC loop region in eryK gene was knocked out and the eryK gene with 101 bp deleted was amplified by overlapping PCR,and cloned into vector pWHM3 to construct recombinant plasmid. The Saccharopolyspora erythraea mutant AK17 was constructed through chromosomal homologous recombination technique.Results and Conclusions:The S.erythraea mutant AK17 was constructed. The results of TCL and MS analysis showed that the major fermentation product of AK17 is erythromycin B.
8.Effects of mycorrhizal colonization and medicine quality of Paris polyphylla var. yunnanensis inoculated by different foreign AM fungi species.
Zhou NONG ; Bo DING ; Yuan FENG ; Wen-hua QI ; Hua ZHANG ; Dong-qin GUO ; Jun XIANG
China Journal of Chinese Materia Medica 2015;40(16):3158-3167
After 28 foreign species of AM fungi were inoculated in sterilized soil, the effects of the AM mycorrhizal colonization and the medicine quality of Paris polyphylla var. yunnanensis were observed by combination of inoculation test in pot at room temperature and instrumental analysis. The results showed that, compared with control group (CK), the inoculation of foreign AM fungi in the soil influenced the spore density, mycorrhizal infection rate, and colonization intensity of AM fungi in root system of P. polyphylla var. yunnanensis. The inoculation of foreign AM fungi enhanced the mycorrhiza viability of P. polyphylla var. yunnanensis by increasing the activity of succinic dehydrogenase (SDH) and alkaline phosphatase (ALP) in intraradical hyphae. The content of single steroid saponin in rhizome of P. polyphylla var. yunnanensis showed variation after P. polyphylla var. yunnanensis was inoculated by different foreign species of AM fungi, which was beneficial for increasing the medicine quality; however, the kinds of steroid saponin showed no difference. In a degree, there was a selectivity of symbiosis between P. polyphylla var. yunnanensis and foreign AM fungi. And we found that the Claroideoglomus claroideum and Racocetra coralloidea were best foreign AM fungi species for cultivating P. polyphylla var. yunnanensis under field condition.
Chromatography, High Pressure Liquid
;
Drugs, Chinese Herbal
;
analysis
;
Fungi
;
classification
;
growth & development
;
Liliaceae
;
chemistry
;
growth & development
;
microbiology
;
Mycorrhizae
;
classification
;
growth & development
;
Plant Roots
;
chemistry
;
growth & development
;
microbiology
;
Quality Control
9.Effect of combined therapy with bailing capsule and benazepril on urinary albumin excretion rate and C-reactive protein in patients with early diabetic nephropathy.
Jian SONG ; Yan-Hua LI ; Xiang-Dong YANG
Chinese Journal of Integrated Traditional and Western Medicine 2009;29(9):791-793
OBJECTIVETo observe the effect of combined therapy with Bailing Capsule (BC) and benazepril on the levels of urinary albumin excretion rate (UAER) and C-reactive protein (CRP) for exploring its protective effect on early diabetic nephropathy.
METHODSSixty patients with early diabetic nephropathy were randomly assigned to the control group treated by benazepril alone, and the treated group treated by BC and benazepril, and the treatment lasted for 16 weeks. The changes of UAER and CRP levels were measured to estimate the protective effect of the combined therapy.
RESULTSLevels of 24h urinary protein, UAER, CRP were (0.85 +/- 0.32) g/24 h, (83.34 +/- 38.27) microg/min, (2.67 +/- 1.72) mg/L before treatment in the control group, and (0.43 +/- 0.17) g/24 h, (71.22 +/- 31.12) microg/min, (1.05 +/- 0.78) mg/L after treatment and they were (0.87 +/- 0.31) g/24 h, (81.59 +/- 35.69) microg/min, (2.55 +/- 1.66) mg/L before treatment in treated group, and (0.25 +/- 0.29) g/24 h, (57.32 +/- 31.11) microg/min, (0.49 +/- 0.38) mg/L after treatment respectively, all of them decreased after treatment in both groups, showing significant differences as compared with those before treatment (P<0.05, P< 0.01), and the reduction in the treated group was more significant (P<0.01); meanwhile, levels of serum creatinine, fasting blood glucose and HbA1c had somewhat decrease, showing no statistical difference with those before treatment (P >0.05).
CONCLUSIONCombined use of BC and benazepril could significantly lower the UAER and CRP levels in patients with early diabetic nephropathy to alleviate the renal impairment, showing an effect better than that of using benazepril alone.
Adult ; Aged ; Albuminuria ; drug therapy ; Benzazepines ; therapeutic use ; C-Reactive Protein ; metabolism ; Diabetes Mellitus, Type 2 ; drug therapy ; metabolism ; urine ; Diabetic Nephropathies ; drug therapy ; metabolism ; urine ; Drug Therapy, Combination ; Drugs, Chinese Herbal ; therapeutic use ; Female ; Humans ; Male ; Middle Aged ; Phytotherapy