1.Angiogenesis after TACE and the corresponding countermeasure
Shanshan GUO ; Ling YU ; Weisheng ZHOU
Chinese Journal of Interventional Imaging and Therapy 2009;6(6):582-585
Transcatheter arterial chemoembolization (TACE) is the first choice of patients with hepatocellular carcinoma (HCC) missed opportunity of exairesis.Angiogenesis is one of the key factors that affect prospective efficacy.Counter-measures against angiogenesis mainly contain complete embolization of tumor blood supply and integration with angiogenesis inhibitors.The angiogenesis after TACE and the corresponding countermeasures were reviewed in this article.
2.Stimulation of bone formation in ovariectomized rat by intermittent administration of simvastatin
Weisheng YE ; Shunlu YU ; Baotong MA
Chinese Journal of Orthopaedics 1999;0(07):-
Objective To study the effect on bone formation by intermittent administration of simvastatin. Methods Seventy three month old virgin female rats, weighted (200?10) g each had been divided into two groups ovariectomized (50 rats) and pseudo ovarectomized (20 rats). Ten rats each of Group A and Group B were sacrified at the 30 th day for the confirmation of successful establishment models of the osteoporosis. Then the remaining animals were re divided into 5 groups: Group A, pseudo ovarectomized control, 10 rats; Group B, ovarectomized control, 10 rats; Group C, given Nylestriol 0.1 mg/(kg?d), 10 rats; Group D, 10 rats, given calcium 10 mg and vitamin D3 2 IU/(kg?d); Group E, 10 rats given simvastatin 5 mg/(kg?d) for 14 days; and the drug was suspended for 28 days, then simvastatin was given for another 14 days. All of the animals were given the agents through gastric tube 30 days after surgery. At 120 th day all the rats were sacrified for the measurements of bone mineral content and bone mineral density by the dual energy X ray absorptiometry for bone mophometrical study. Results The average of bone mineral content was (46?11.34) mg (P
3.Disturbance of bone mineralization induced by continuous administration of etidronate disodium in ovariectomized rats
Shunlu YU ; Weisheng YE ; Jin XU
Chinese Journal of Rheumatology 2000;0(06):-
Objective To compare the different effects of continuous and intermittent administration of etidronate disodium in bone formation for osteoporosis.Methods Fifty 3 month old virgin female rats weighing (200?10) g were divided equally into 5 groups:pseudo ovariectomized group (group A), ovariectomized group (group B),estrogen replacement group (group C),intermittent etidronate disodium administered group (group D) and continuous etidronate disodium administered group (group E).Postoperative 30 days,group C was given nylostricl 0 1 mg?kg -1 ?d -1 for 100 d;group D was intermittently given etrdonate disodium 10 mg?kg -1 ?d -1 for 14 d and after 35 d interval the drugs were given once more;group E was continuously given etrdonate disodium 10 mg?kg -1 ?d -1 for 100 d.All rats were given drugs orally and were killed at day 100.The bone density,bone mineral content and bone histomorphometrical study were made.Results The average of BMD values of group A,B,C,D,E were [(47 6?2 7),(31 6?7 0),(38 2?4 9),(41 8?8 4),and (29 4?9 4) ( [AKx-]?s ),mg/cm 2] respectively.The value of group E was significant lower than that of group A and group D ( P
4.Relationship between the level of plasma homocysteine and coronary calcification in patients with different blood glucose levels
Jiangrong ZHANG ; Weisheng LU ; Lingwei YU ; Jing CHANG ; Huimin YUAN ; Dongxia LI ; Xingwang GAO
Clinical Medicine of China 2010;26(9):952-954
Objective To determine the relationship between the level of plasma homocysteine and coronary calcification in patients with different blood glucose levels. Methods By measuring plasma homocysteine and coronary calcification in 30 cases of diagnosed diabetes (T2D) ,29 cases of diagnosed impaired glucose tolerance (IGT) in patients and 27 cases with normal, we compared the level of plasma homocysteine and coronary calcification in patients with different blood glucose levels. Results We found significant diffieronces among three groups of the level of plasms homocysteine and coronary calcification (P < 0.01). The plasma homocysteine levels were(19.31 ±3.17) μmol/L, (13.85 ± 1.62) μmol/L, (9.80 ± 1.78) μmol/L in the T2D,IGT and normal groups,respectively. The coronary calcification scores were 207.80 ± 154.10,63.24 ± 10.46,14.47 ± 5.16 in the T2D, IGT and normal groups, respectively. The plasma homocysteine level and coronary calcification score increased with the glycosylated hemoglobin rise in the normal,IGT and T2D groups((4.51 ±0.48)%, (6.13 ±0.31)% and (7.69 ±0.81)%, respectively). Conclusions The plasma homocysteine level is a strong independent predictor of type 2 diabetes and also an important factor of coronary artery event occurrence and develepment.
5.Intervention of Astragalus membranaceus on radioactive lung injuries and influence on TNF-α and ET expression
Lei XI ; Dehong XIA ; Weisheng SHEN ; Jianbo ZHOU ; Zhongqin SHU ; Bo YU ; Xinheng HOU ; Ke WANG
Chinese Journal of Radiological Medicine and Protection 2010;30(3):327-329
Objective To observe the lung protection of Astragalus membranaceus against radiotherapy to intermediate-stage and terminal thoracic neoplasm, and its influence on TNF-α and ET expression.Methods The patients with intermediate-stage and terminal thoracic neoplasm under radiotherapy were divided into a treatment group and a control group.Patients in the treatment group took 10 ml of Asragalus membranaceus twice a day.for consecutive 6 months from the beginning of radio therapy.TNF-α and ET in the plasma were measured before and after the radiotherapy.The clinical symptom,iconographic changes and lung diffusion were observed from the 15th day of radiotherapy.Results The TNF-α and ET in plasma afterthe radiotherapy were(2.48±0.75)as/ml and(69.32±23.03)pg/ml for the treatment group,and(5.12±1.01)ns/ml and(97.87±37.83)pg/ml for the control group with the statistial difference(x2=7.49,6.57,P<0.001).The decrease of CO diffusion 5 and 10 months after the radiotherapy in the treatment group was statistically different compared with that in the control group(x2=3.98,3.78,P<0.05).There was a statistical difference of the incidence of acute radiation pneumonitis and pulmonary fibrosis between these two groups(P<0.05).Conclusions Astragalus membranaceus could inhibit the excess expression of TNF-α and ET in plasma and reduce the deterioration of diffusion after radiotherapy,so that it can be used for intervention of lung injuries from radiotherapy.
6.Preparation and Quality Evaluation of Vardenafil Hydrochloride Orally Disintegrating Tablets
Chuqin YU ; Yanbin DENG ; Yuanping WANG ; Weisheng ZHANG ; Huaqing LIN ; Hui TAO
Herald of Medicine 2017;36(1):73-76
Objective To prepare vardenafil hydrochloride orally disintegrating tablets and evaluate their quality. Methods The tablets were prepared by direct power compression method, using crosslinking povidone ( PVPP ) as disintegrants. The preparation method was optimized by response surface test using amount of PVPP, menthol and taste-masking agents as factors with disintegrating time and distance of bitterness as index. The results of taste of orally disintegrating tablets were determined by electronic tongue, comparing to the results of taste tests. At the same time, the properties of the tablets were evaluated using appearance, content uniformity, disintegrating time, et al. as index. Results The optimal formula was as follows:PVPP 13. 26%, menthol 0. 43%, taste-masking agent SGxj 1. 26%. The results on evaluation of electronic tongue were consistent with the results of taste tests. The quality of the prepared tablets was in line with standard. The disintegrating time was (22. 34 ± 0. 34 ) s. Conclusion The preparation technology of orally disintegrating tablets is simple, and controllable in quality.
7.Effects of tissue engineering bladder reconstruction in canines on upper urinary tract
Yu GUO ; Wei CHEN ; Weisheng JIA ; Chao MA ; Xianglin HOU ; Jianwu DAI ; Gang YE
Chongqing Medicine 2014;(25):3311-3313,3316
Objective To analyze and evaluate the effects of the tissue engineering bladder reconstruction on the upper urinary tract structure and function.Methods The 8 male beagles were randomly divided into the two groups:sham-operation group (group A,n=4)and the collagen scaffold repair group (group B,n=4).The bladder defect animal model was established in the group B by using the collagen scaffold materials to repair the bladder.The renal function related biochemical indicators were detec-ted and the renal Doppler ultrasonic examination was performed in each group before repair and in 23 weeks after repair.The speci-mens from the two groups were performed the gross morphology observation and the histology examination on postoperative 24 weeks.Results The renal Doppler ultrasound examination showed the normal kidney morphology and normal blood flow signal.In the general observation,no calculi and neoplasm were found in the kidney and ureter of the experimental dogs.The renal function related biochemical indicators had no statistically significant differences between the two groups(P>0.05).The histological exami-nation indicated that the organization structure was integrity,the nephrons in each group had no obvious pathological changes.Con-clusion Using the collagen scaffold materials to reconstruct the canine bladder has no adverse influence on the upper urinary tract structure and function,this tissue engineering approach has good feasibility.
8.Analysis of EML4-ALK Gene Fusion Mutation in Patients with Non-small Cell Lung Cancer
WANG XUZHOU ; CHEN WEISHENG ; YU YINGHAO
Chinese Journal of Lung Cancer 2015;(2):80-84
Background and objective Non-small cell lung cancer (NSCLC) is the main type of lung cancer, and the related locus mutation detection research has become a hot direction of molecular targeted therapy, studying on gene mu-tation status of echinodem microtubule associated protein like 4-Anaplastic lymphoma kinase (EML4-ALK) and epidermal growth factor receptor (EGFR), detecting the sensitivity of EML4-ALK gene fusion and gene mutation of EGFR. Methods EML4-ALK gene fusion in 85 cases of paraffn embedded tumor tissue and adjacent lung tissue was detected with the applica-tion of immunohistochemistry (IHC), Scorpions ampliifcation refractory mutation system (Scorpions ARMS) lfuorescence quantitative PCR and lfuorescence in situ hybridization (FISH) technology, and EGFR gene in 18, 19, 20 and 21 exon mutation status was detected with the application of ARMS method. Results In 115 cases of NSCLC, IHC showed 32 cases with ALK (D5F3) expression, the expression rate was 27.8%;ARMS showed 27 cases with EML4-ALK fusion gene mutation, the muta-tion detection rate was 23.5%;53 cases were detected with EGFR mutation, the mutation rate was 46%. While FISH showed 23 cases with EML4-ALK fusion gene mutation, the detection rate was 20%, slightly lower than the ARMS detection results, suggesting that ARMS more sensitive. Conclusion hTe application of IHC, ARMS lfuorescence quantitative PCR and FISH technology can make a rapid and accurate evaluation of EML4-ALK gene fusion.
9.Different Anesthesia and Sedation Depths of BIS-guided Closed-loop Target-controlled Infusion on Perioperative Th1/Th2 Balance in Elderly Patients Undergoing Laparoscopic Radical Gastrectomy
Huayong JIANG ; Weilong LAO ; Guozhong ZHOU ; Qiliang SONG ; Zongming JIANG ; Weisheng YU ; Zhonghua CHEN
Cancer Research on Prevention and Treatment 2022;49(5):444-447
Objective To investigate the effect of BIS-guided closed-loop target-controlled infusion on perioperative Th1/Th2 balance in elderly patients undergoing laparoscopic radical gastrectomy under different anesthesia and sedation depths. Methods We applied random number table method to divide 73 elderly patients undergoing elective laparoscopic radical gastrectomy into BIS closed-loop target-controlled infusion group with BIS value of 55(group H,
10.EFFECT OF COXSACKIEVIRUS B3 ON ION CHANNEL CURRENTS IN RAT VENTRICULAR MYOCYTES
Weisheng BAO ; Gongxin LIU ; Chunlei WANG ; Yingzhen YANG ; Qi GUO ; Yong YU
Chinese Medical Sciences Journal 2000;15(3):150-153
Objective. To investigate the effects of coxsackievims B3 (CVB3) on ion channel currents in rat ventricular my-Methods. Rat hearts were isolated with collagenase to acquire single ventricular myocytes, L-type voltnge-depen-dent calcium channel( VDCC)current (Ica), Na + current (INa), outward potassium current (Iout), inwardly rectifying potassium current(IKI) were recorded using whole cell patch clamp techniques. Results. CVB3 infection increased Ica and Iout, while decreased IKI; but it had no obvious effect on INa. Conclusion. Tne effects of CVB3 on Ica、 Iout、 IKI may be one of the mechanisms of myocytes damage and the oc-currence of abnormal electroactivities induced by CVB3 infection.