1.The pulmonary artery doesn′t participate in the blood supply of lung cancer: experimental and DSA study
Mingjun HAN ; Gansheng FENG ; Jianyong YANG
Chinese Journal of Radiology 2000;0(12):-
Objective To investigate whether or not the pulmonary artery participates in the blood supply of lung cancer and its change of morphology and blood flow in lung cancer. Methods Two different colors of silicone were injected separately into the bronchial and pulmonary arteries of 33 rat models with squamous cell carcinoma of lung. The origin of blood supply of lung cancer and the morphologic change of pulmonary artery were observed under a stereomicroscope. The DSA of bronchial and pulmonary artery were performed simultaneously in 28 patients with lung cancer. Results The pulmonary branch of rat and patients were reduced, thinned and occluded in the affected lung. The pulmonary artery did not form tumor vessel, and pulmonary blood flow and perfusion were reduced or absent in the affected area. Conclusion The pulmonary artery didn′t participate in the blood supply of lung cancer. It is unreasonable to perform transcatheter chemo embolization for lung cancer via pulmonary arteriay.
2.Analysis of blood biochemistry and arterial blood gas of systemic inflammatory response syndrome in the early time after trauma
Zeqiang ZHOU ; Feng YANG ; Qing HAN
Chinese Journal of Pathophysiology 1999;0(09):-
AIM: To explore the variation of blood biochemistry and arterial blood gas of patients with systemic inflammatory response syndrome (SIRS) in the early time after trauma and improve the diagnosis and first aid. METHODS: Eighty-eight patients with trauma from August 2003 to February 2004 were divided into two groups by their AIS-ISS90 score. The data of temperature, pulse, respiratory rate, white blood cell counts, Hb, blood glucose and arterial blood gas (PaO 2, PaCO 2, HCO 3 -, AG) were collected and compared with each group by statistic methods. RESULTS: Of the 88 patients, 49 underwent SIRS, 12 in light trauma group (ISS≥16) and 37 in severe trauma group (ISS45 mmHg or 0 05). 13 patients had MODS in severe trauma group and 2 died while none had MODS or died in light trauma group. CONCLUSION: Application of AIS-ISS90 and SIRS-related blood biochemistry and arterial blood gas is beneficial for the diagnosis and treatment for patients in the early time after trauma. [
3.Effect of Yigan Granules on Bile Secretion in Rats
Jianping CHEN ; Feng HAN ; Chao HAN ; Kunwei LI ; Bin YANG
Traditional Chinese Drug Research & Clinical Pharmacology 2000;0(06):-
Objective To study the effect of Chinese Herb of Yigan Granules in different dosages on bile secretion in rats.Methods The rats were randomly divided into 5 groups: blank control group,positive control group and high,mod erate,low dosages of Yigan Granules groups.The medicines were administered thr ough duodenal intubation for the rats.Then the volume of bile were gathered by common bile duct intubations in different time,and the volume of bile and the contents of bilirubin in bile were tested before and after given drugs.Results Yigan Granules increased the bile secretion in a dose-dependent manner and promote the secretion of bilirubin.Conclusion Chinese Herb of Yigan granules has a choleretic effect.
6.Diagnosis and treatment of acquired idiopathic laryngomalacia.
Da-zhang YANG ; Jun HAN ; Yun FENG
Chinese Journal of Otorhinolaryngology Head and Neck Surgery 2005;40(6):468-469
Adult
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Aged
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Cartilage Diseases
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diagnosis
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therapy
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Humans
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Laryngeal Cartilages
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Laryngeal Diseases
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diagnosis
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therapy
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Male
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Middle Aged
7.Study of the expression of osteopontin in epithelial ovarian cancer tissue and serum
Xiaoyu DONG ; Jinghua YANG ; Huilan WANG ; Li FENG ; Cuixin HAN
Clinical Medicine of China 2008;24(8):760-762
Objective To study the expression and signficance of the osteopontin (OPN) in epithelial ovarian cancer tissue and serum. Methods Immunohistochemistry method and ELISA were used to detect the expression of OPN in 64 cases of epithelial ovarian cancer tissue and serum, 20 cases of ovarian benign tumors and 10 cases of ovarian nomal tissues. Results The OPN expression was associated with the clinical staging and histological grading of epithelial ovarian cancer tissue and serum (P < 0.01). The level of OPN in epithelial ovarian cancer tissue was significantly higher than that in benign ovarian tumor and normal control groups (P < 0.01). Conclusion OPN is remarkably correlated with the carcinogenesis and the development of epithelial ovarian cancer.
9.Effect of gap junction on permeability of blood-brain barrier in rats after cerebral ischemia- reperfusion
Dong HAN ; Jia-Chun FENG ; Fang DENG ; Yi-Min YANG ;
Chinese Journal of Neurology 2005;0(07):-
Objective To investigate the possible mechanism of the gap junctional influence on the change in permeability of the blood-brain barrier(BBB)after reperfusion subsequent to cerebral ischemia.Methods In the test laser scanning confocal microscope(LSCM)was used to investigate the change of Cx43 levels and distribution.The MCAO/R model was induced using intraluminal suture technique first described by Longa with a little modification.A total of 60 Wistar rats were divided into 4 groups:the sham-operation group,control group,octanol-treatment group and DMSO vehicle control group. Control group were further divided into seven subgroups at different time points of reperfusion after middle cerebral artery occlusion.To observe the change in permeability of BBB,Evans blue(EB)in the brain tissue was surveyed by the means of EB fluorescent quantitation.Octanol-treatment group and DMSO vehicle control group were done at the point of the peak of permeability of BBB.Octanol,the specific blocker for gap junctions(GJ)was used in an intervention study.To compare the amount of EB with the same point of groups,the influence of octanol on BBB permeability was investigated.Results At 3 h of reperfusion after cerebral ischemia for 2 h,the permeability of BBB began to increase,reached the peak at 24 h of reperfusion and was still elevated at 72 h.The Cx43 expression formed into bigger plague and remained linear disposition in the penumbra after reperfusion subsequent to cerebral ischemia.Octanol group was done at 24 h of reperfusion after cerebral ischemia.The amount of EB of octanol group((4.924?0.296)?g/g)was significantly lower than that of corresponding operation control group(5.543?0.506)?g/g.Conclusions (1)Cx43 expression is concentrated around vessels in brain.The Cx43 forms into bigger plague and the function maybe strengthens after reperfusion.Gap junction might aggravate the disruption of BBB.(2) Octanol,the specific blocker of gap junctions,could effectively prevent the permeability of BBB from increasing and has a protective effect on BBB.
10.Compare of Selectivity Enrichment Broth for Detectable Effect of Listeria monocytogenes
Yang-Feng HU ; Jun HAN ; Ying-Min JIA ;
Microbiology 2008;0(12):-
This paper investigated contamination situation of Listeria monocytogenes(Lm). To compare dif- ferent selectivity enrichment broth for detectable effect of Lm and compare detectable effect in different samples by using different methods, furthermore, choose the best enrichment broth for specific food. One hundred and thirty five random samples from raw meat, aquatic product, fruit and vegetable, quick-frozen food in Baoding. Applied LB enrichment broth, EB enrichment broth, new modification FDA enrichment broth and Fraser enrichment broth before separated by PALCAM selective agar, then identified by interna- tional standard method after PCR. Results: Four methods showed that there were 23 Lm positive, detected 5 Lm by LB method, 6 Lm by Fraser method, 5 Lm by EB method and 7 Lm by new modification FDA method. The total detectable rate of four methods had no large specificity, but to specific kind of food was different.