1.Research Progress in anti-tumor angiogenesis of Chinese medicine
Cancer Research and Clinic 2010;22(2):141-144
Solid tumor growth and metastasis depends on angiogenesis.Anti-angiogenesis cancer therapy research has become one of the hot topics.Studies have shown that many kinds of Chinese medicine have an effectiveness of anti-tumor angiogenesis. It is one of the most important mechanisms to anti-tumor Chinese medicine.Chinese medicine on the anti-tumor angiogenesis research in recent years will be reviewed.
2.Changes of NCCa-ATP Channels in Core Area During Focal Cerebral Ischemia and Reperfusion in Rats
Journal of Kunming Medical University 2013;(9):46-50
Objective To study the changes of SUR1-regulated NCCa-ATP channels in core area during focal cerebral ischemia and reperfusion in rats, and to explore the therapeutic window of focal cerebral ischemia. Methods Adult male Wistar rats were rendered to undergo 120 minutes of the left middle cerebral artery occlusion (MCAO) by the intraluminal thread technique before reperfusion. The core area of the left hemisphere cortex ischemia/reperfusion at different times (reperfusion:R3 h, 6 h, 8 h, 12 h and 24 h) was taken to be tested the level of mRNA and protein expression of sulfonylurea receptor 1 (SUR1) using RT-PCR and Western-blot techniques. SUR1 of the ischemic brain microvascular endothelial cells were observed by immunofluorescence double staining at the peak expressing time point of SUR1. Results We found the up-regulation of SUR1 mRNA and SUR1 protein in ischemic infarcts tissues for R3 h, 6 h, 8 h and 12 h, peaked at R8 h, compared with the sham-operation group ( <0.05) . However, SUR1 expression increased was observed at R12 h by double immunofluorescence in microvascular endothelium. Conclusion SUR1-regulated NCCa-ATP channel may take part in cerebral ischemic damage during focal cerebral ischemia and reperfusion. The expressions of SUR1 mRNA and SUR1 protein were up-regulated in ischemic infarcts tissues. The data suggested that the best time to apply SUR1 inhibitor is within 8-12 hours after ischemia and reperfusion.
3.The application of the mobile medical upgrade in digitization outpatient service
China Medical Equipment 2017;14(2):100-102,103
Objective:To create a convenient, quick and personalized upgrade application (APP) based on current Pocket Shengjing hospital mobile medical APP.Methods: To establish the best suitable mobile terminal APP to patient by using smartphone and mobile internet technique.Result: A series of new function, such as appointed register at any time before diagnosis, anticipated waiting time during diagnosis, enquiry of detection after diagnosis, different kind of payment during diagnosis, healthy information net among family members and effective control for broken appointment of patient, were achieved by the upgrade mobile medical APP. It also can optimize the process of diagnosis, reduce waiting time, increase outpatient service effective and improve satisfaction of patient for outpatient serviceConclusion: The upgrade mobile medical APP is a more practical and convenience software, and it can improve medical treatment process and provide convenient condition for medical service based on the perspective of patient.
4.Studies on repair of rabbit articular cartilage defect by chondrocytes infected by adenovirus vector mediated TGF-?_1 Genes
Hua LONG ; Hua YUAN ; Baoan MA
Orthopedic Journal of China 2006;0(16):-
[Objective]To investigate the effect of transforming growth factor ?1(TGF-?1) genes transfection on the proliferation and differentiation of chondrocyte by adenovirus vector,and to observe the quality in repair cartilage defect through constructing tissue-engineered cartilage.[Method]Using replicat ion defective adenovirus Adeno-X~(TM) as a carrier,Articular chondrocytes were transferred by high titers level recombinant adenovirus taking TGF-?1 genes.Ultromicrostructure,prolife ration anddifferentiation were observed by light and electron microscope,flow cytometry and so on.Induce expression of exogenous genes coding protein and cartilage cell phenotype were detected by Immunocytochemistry and Northern blot.Gross observation,histology and effect classification were used to evaluate results in repair cartilage defect by combi nation of infected chondrocytes and bone matrix gelatin(BMG).[Result]Immunocytochemistric staining showedthe expression of exogenous gene coding proteins after infection,and procollagen Ⅱ mRNA in cells was detected increasingly by Northern blot.TGF-?1 stimulated proliferation of chondrocytes in primary cultured,and resulted in recruitment of articular chondrocytes into S-G2/M phase.Chondrocytes seeded onto BMG showed high level of proliferation.Transplantation in vivo showed: cartilage defect was repaired satisfactorily by Combination of BMG and infected chondrocytes,and the structure of repair tissue got close to normal articular cartilage.[Conclusion] Articular chondrocytes prolifera tion could be stimulated by adenovirus vector taking TGF-?1 genes,which could be used to constructed tissue-engineered cartilage,and applied in repairing joint cartilage defect.
7.The role of serum soluble CD40 ligand in diagnosis of acute coronary syndrome
Zhaoxia ZHOU ; Aiqun MA ; Hua QIANG ; Ping ZHOU ; Hua CHENG
Journal of Xi'an Jiaotong University(Medical Sciences) 1982;0(01):-
0.05).② On diagnosing ACS,the area under ROC curve of sCD40L was 0.773,the sensitivity,specificity and validity are 82.8%,61.9% and 85.7%,respectively,which were all highest among so much indexes.Conclusion High serum sCD40L levels may suggest vulnerable plaque,and it's somewhat valuable in diagnosing ACS.
8.Effect of intrathecal gastrodin on skin cancer pain in mice
Jia HUA ; Hua WANG ; Peng MA ; Aihua GONG ; Peng JIANG
Chinese Journal of Anesthesiology 2016;36(5):588-590
Objective To investigate the effect of intrathecal gastrodin on skin cancer pain in mice.Methods Thirty-two female Balb/c mice,aged 8 weeks,weighing 20-25 g,were randomly divided into 4 groups (n=8 each) using a random number table:sham operation group (group S),skin cancer pain group (group SCP),gastrodin group (group G),and artificial cerebrospinal fluid (ACSF) control group (group ASCF).Skin cancer pain was produced by injecting phosphate buffer solution 20 μl containing about 2 ×105 4T1 breast cancer cells into the plantar surface of the left hindpaw.At 14th day after inoculation of cancer cells,ASCF 5 μl was injected intrathecally in S and ACSF groups,and gastrodin 150 μg/kg (5 μl) was injected intrathecally in group G.Before inoculation,at 30 min before intrathecal injection,and at 15,30,60,90,120 and 150 min after intrathecal injection,the thermal paw withdrawal latency (TWL) was measured.The expression of acid-sensing ion channel (ASIC)-3 mRNA in the spinal dorsal horn was detected using the real-time reverse transcriptase polymerase chain reaction after the last measurement of the pain threshold.Results Compared with group S,the TWL was significantly decreased at each time point before and after intrathecal injection in SCP,ACSF and G groups,and the expression of ASIC-3 mRNA in the spinal dorsal horn was significantly down-regulated in group G (P<0.05).Compared with group SCP,the TWL was significantly increased at each time point after intrathecal injection,and the expression of ASIC-3 mRNA in the spinal dorsal horn was significantly down-regulated in group G (P<0.05),and no significant change was found in the parameters mentioned above in group ACSF (P>0.05).Conclusion Intrathecal gastrodin can reduce skin cancer pain and down-regulate ASIC-3 expression in the spinal dorsal horn which is helpful in maintaining the analgesic effect in mice.
9.uPA,β-catenin expression status and microvessel density correlated to invasion and metastasis in thyroid carcinoma
Xinhua MA ; Huaxiu WANG ; Hua YANG
Journal of Chinese Physician 2009;11(3):315-318
Objective To investigate the expression of urokinase-type plasminogen activator(uPA)and β-catenin proteins and their relationship with tumor angiogenesis,and explore their correlation with invasion and metastasis of thyroid carcinoma.Methods SP immunohistochemistry was performed to detect the expression of uPA,β-catenin and CD105 in 90 cases of thyroid carcinoma tissues.MVD counting was performed and analyzed in conjunction with the clinicopathological features of human thyroid carcinomas.Results The positive rate of uPA expression and abnormal expression rate of β-catenin and the MVD value was positively correlated with histological typing of thymid carcinoma.There was significant difference in thyroid carcinoma with lymph node metastasis,which was significantly higher than those cases without lymph node metastasis(P<0.05),as well as between clinical stage Ⅲ~Ⅳ and Ⅰ~Ⅱ.The MVD value was significantly correlated with the positive expression of uPA and abnormal expression of β-catenin in thyroid.There was statistically significant correlation between the expression of uPA and β-catenin.Conclusion The expression of uPA protein in thyroid carcinoma was higher than those in normal.A reduced membranous expression rate and abnormal nuclear/cytoplasmic expression of β-catenin was observed in thyroid carcinoma cells,which was positively correlated with histological typing and clinical staging,invasion and metastasis in thyroid carcinoma.uPA and β-catenin were cooperated in angiogenesis of thyroid carcinoma.MVD was positively correlated with invasion and metastasis in thyroid carcinoma.They were hopeful to be an important prognostic indicator of thyroid carcinoma.
10.Combined Probe for Determining Canal Filing Cutting Path.
Journal of Biomedical Engineering 2015;32(5):1009-1012
In order to help a surgeon to determine a proper canal filing cutting path in a hip replacement operation conveniently, this paper presents a kind of probe with combined structure. Firstly, the doctor can use this kind of combined probe to choose canal filing cutting path. Then, the doctor can use computer to guide the surgeon to file femoral cavity along the selected canal filing cutting path. Through hip replacement corpse experiments, filing effects and used time of using combined probe group and separate control group were analyzed. The experiment results showed that the methods introduced in this paper could lower the difficulty of hip replacement operations, improve the implantation of hip stem prostheses further, and reduce the incidence of surgical complications.
Arthroplasty, Replacement, Hip
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Femur
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Hip Prosthesis
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Humans
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Surgery, Computer-Assisted
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instrumentation