1.A Wistar rat model of radiation-induced masseter injury
Gang DONG ; Jianjin ZHENG ; Tao LI ; Xin XU ; Shulai LU
Chinese Journal of Tissue Engineering Research 2013;(24):4515-4520
10.3969/j.issn.2095-4344.2013.24.021
2.Experimental study on effect of model on hepatic fibrosis with Aralia chinesis.
Miao HUANG ; Xin LIU ; Lei DONG ; Hai-tao SHI ; Ya-ping LIU ; Chao LIU
China Journal of Chinese Materia Medica 2015;40(21):4251-4255
Hepatic fibrosis models were induced by CCl4 in rats. To explore vascular endothelial growth factor (VEGF), transforming growth factor-beta1 (TGFβ1) mRNA expression and bcl-2, Bax protein expression levels of intervention and explore the mechanism of the Aralia chinesis anti-hepatic fibrosis. Sixty male Sprague-Dawlley (SD) rats were randomly divided into six groups: nomal group, model group, high-dose (10 mL x kg(-1)), medium-dose (7.5 mL x kg(-1)), low-dose (5.0 mL x kg(-1)) of A. chinesis treated group and colchicine treated group. The change of liver histopathology was observed by HE and Masson staining. The mRNA of VEGF, TGF-β1 were detected by RT-PCR. The protein of Bcl-2 and Bax were detected by Western blot. In the model group liver cell obvious degeneration, necrosis, a large number of collagen fibers of the cable hyperplasia, part visible pseudolobule formation. A. chinesis large, medium, low-dose group and colchicine group liver cell degeneration and necrosis reduced A. chinesis small, medium, and high-dose group was gradually reduced trend and A. chinesis large, middle dose group degree of reduction is particularly significant. Compared with model group, A. chinesis of large, medium and small dose group and colchicine group VEGF mRNA expression, A. chinesis of large, medium-dose group TGF-β1 mRNA expression reduce (P < 0.05); compared with colchicine group, A. chinesis of large, middle dose group of VEGF mRNA expression decreased (P < 0.05); A. chinesis of large, middle dose group of TGF-β1 mRNA expression decreased (P < 0.01), and compared with colchicine group, large dose group of of TGF-β1 mRNA expression decreased (P < 0.05). Compared with model group, A. chinesis of large, medium and small dose group and colchicine group Bcl-2 protein expression reduce (all is P < 0.05). But A. chinesis of large, medium and small dose group and colchicine group of Bax protein expression were increased (P < 0.05). A. chinesis regulation of VEGF, TGF-β1 may prevent the activation of hepatic stellate cells, liver tissue by up regulating the anti-apoptotic protein Bax and down pro-apoptotic protein Bcl-2 expression, thereby to improve the degree of liver fibrosis.
Animals
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Apoptosis
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drug effects
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Aralia
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chemistry
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Drugs, Chinese Herbal
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administration & dosage
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Hepatic Stellate Cells
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drug effects
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metabolism
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Humans
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Liver Cirrhosis
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drug therapy
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genetics
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metabolism
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Male
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Proto-Oncogene Proteins c-bcl-2
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genetics
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metabolism
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Rats
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Rats, Sprague-Dawley
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Transforming Growth Factor beta1
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genetics
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metabolism
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Vascular Endothelial Growth Factor A
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genetics
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metabolism
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bcl-2-Associated X Protein
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genetics
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metabolism
4.Design and implementation of a medical record management subsystem as a part of a telemedical system.
Zhi-qian YE ; Xin-dong TAO ; Yan XU
Chinese Journal of Medical Instrumentation 2006;30(4):296-298
This paper introduces the work on the design and implementation of a medical record management subsystem, which is a part of a telemedicine system based on Microsoft .NET. First, an analysis is given on components and structure of medical record, together with an explanation for what is needed in a teleconsultation, how they should be organized and realized in a database, and how to deal with consultation data granularity using XML in combination with database; second, the work done during the realization stage is expatiated, including system analysis and design, database design, and system implementation.
Database Management Systems
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Hospital Information Systems
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Humans
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Information Storage and Retrieval
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methods
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Internet
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Medical Records Systems, Computerized
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Remote Consultation
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methods
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Software
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Software Design
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Telemedicine
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methods
5.Effects of type I collagen on adhesion,proliferation and osteogenic differentiation of rabbit bone marrow stromai cells on PLGA-[ASP-PEG]scaffolds
Hai-Tao PAN ; Qi-Xin ZHENG ; Xiao-Dong GUO ; Yong LIU ; Yulin SONG ;
Chinese Journal of Orthopaedic Trauma 2004;0(10):-
Objective To explore the effects of surface modification of PLGA-[ASP-PEG] scaffold with typeⅠcollagen on the adhesion,proliferation and osteogenic differentiation of rabbit bone marrow stromal cells (BMSCs).Methods After PLGA-[ASP-PEG] materials were modified with typeⅠcollagen chemically,the collagen was coated onto the materials physically.The BMSCs obtained from rabbits were cultured on the modified PLGA-[ ASP-PEG] and on the unmodified PLGA-[ ASP-PEG] as control.The adhesion and proliferation behavior of the cells was analyzed and the expressions of osteogenie marker alkaline phosphatase,osteocalcin,osteopontin,typeⅠcollagen and core binding factor al were also detected.Results X-ray photoelectron spectrometry(XPS) confirmed that TypeⅠcollagen was grafted onto the surface of PLGA-[ASP-PEG] successfully and the collagen content on the materials modified chemically and physically was significantly increased.The abilities of adhesion and proliferation and the expressions of osteogenie makers of the BMSCs were significantly greater than those in the control group(P<0.05).Conclusion Since Type collagen I can improve the biocompatibility of PLGA- [ASP-PEG] scaffold materials,it can be used as a new way to optimize scaffolds in tissue engineering.
6.The intervention-therapeutic effect of lipiodol-arsenic trioxide emulsion for primary hepatic carcinoma
Xiang-Dong LIU ; Wen-Juan WU ; Hai-Tao LI ; Xin-Yun FAN ; Yue-Ming NAN ;
Journal of Interventional Radiology 2006;0(12):-
Objective To discuss the short-term clinical effect including functional change of lipiodol- arsenic trioxide emulsion on the primary hepatic carcinoma.Methods Fifty-two patients undergone arterial chemoemblization were selected and then randomly divided into two groups:treatment group(n=27)and control group(n=25).Patients in treatment group were treated with lipiodol-arsenic trioxide,while those in control group treated with mitomycin,epirubicin,cisplatin or lipiodol.Clinical symptoms and six liver function parameters were observed and analized.Results The clinical symptoms of patients in treatment group improved much better than those in control group,and the liver function impairment of patients in treatment group also decreased more than those in control group.Conclusions Lipiodol-arsenic trioxide is an effective and safe intervention-therapeutic embolization material for primary hepatic carcinoma.
7.Reconstruction of complex proximal tibial defects using the long-stem tibial component combined with metallic wedge.
Xiang-dong YUN ; Li-ping AN ; Jin JIANG ; Chang-jiang YAO ; Hai-tao DONG ; Jia-xin JIN ; Ya-yi XIA
China Journal of Orthopaedics and Traumatology 2016;29(5):472-475
OBJECTIVETo investigate results of total knee arthroplasty using the long-stem tibial component combined with metallic wedge of knee prosthesis for the treatment of proximal defects.
METHODSFrom January 2011 to May 2013, 10 patients (11 knees) were treated with total knee arthroplasties using the long-stem tibial component with metallic tibial wedge of knee prosthesis. All the patients were female and the average age was 67 years old (ranged, 60 to 77 years old). All the patients were osteoarthritis. All the patients were classified as T2A style. The patients were evaluated according to knee score system (KSS).
RESULTSAll the patients were followed up for 12 months on average (ranged 3 to 29 months). The clinical outcome was assessed using KSS score, including knee pain score, knee stability score, knee range of motion score and knee walking score, knee stairs score. There were significantly differences at 6 weeks, 3 months, 6 months and 12 months between pre-and postoperative KSS score.
CONCLUSIONThe mechanical stability of tibial fixation in primary TKA is significantly increased by using the long-stem tibial component with metallic wedge of knee prosthesis, even in the presence of poor proximal bone.
Aged ; Arthroplasty, Replacement, Knee ; Female ; Humans ; Knee Joint ; physiopathology ; surgery ; Knee Prosthesis ; Male ; Osteoarthritis, Knee ; physiopathology ; surgery ; Range of Motion, Articular ; Tibia ; abnormalities ; physiopathology ; surgery
8.Preparation of huperzine A nasal in situ gel and evaluation of its brain targeting following intranasal administration.
Tao TAO ; Yan ZHAO ; Peng YUE ; Wen-xin DONG ; Qing-hua CHEN
Acta Pharmaceutica Sinica 2006;41(11):1104-1110
AIMThe feasibility of intranasal brain targeting drug delivery system via the olfactory pathway from nose to brain was explored.
METHODSUsing gellan gum, a cation-sensitive gel forming excipient, huperzine A (Hup A) nasal in situ gel was prepared by pH gradient precipitation method. The pharmacokinetics of Hup A in blood and cerebrospinal fluid (CSF) after intranasal, intravenous and intragastric adminstration to rats was studied using cisternal cannulation for serial CSF sampling and femoral artery cannulation for serial blood sampling. The distributions of Hup A into rat brain tissues following intranasal dosing were compared with those after intravenous and intragastric dosing by tissue homogeneization. The therapeutics effects of Hup A nasal in situ gel on cognitive function were tested in mice and rats with Morris water maze, step down test and step through test.
RESULTSThe AUC(0-->6 h) value in plasma obtained after nasal administration was 0.94 of that after intravenous administration, but the AUC(0-->6 h) of CSF after nasal administration was 1.3 and 2.3 times of that after intravenous and intragastric administration. The AUC(0-->6 h), of cerebrum, hippocampus, cerebellum, left olfactory bulb and right olfactory bulb after nasal administration were 1.5, 1.3, 1.0, 1.2 and 1.0 of that after intravenous administration, 2.7, 2.2, 1.9, 3.1 and 2.6 times of that after intragastric administration, respectively. Intranasal adminintration of 17.5-35 microg x kg(-1) showed equal effects after oral adminintration of 70 microg x kg(-1) commercial tablets, which was in good agreement with the results of pharmacokinetics.
CONCLUSIONIntranasal administration of huperzine A nasal in situ gel significantly increased the distributions of Hup A into rat brain tissues, especially into cerebrum and hippocampus which should be the target areas of Hup A, and enhanced the brain targeting of Hup A.
Administration, Intranasal ; Alkaloids ; Animals ; Area Under Curve ; Biological Transport ; Brain ; metabolism ; Cattle ; Cognition ; drug effects ; Drug Compounding ; methods ; Guinea Pigs ; Injections, Intravenous ; Male ; Maze Learning ; drug effects ; Mice ; Models, Biological ; Nasal Mucosa ; metabolism ; Neuroprotective Agents ; administration & dosage ; pharmacokinetics ; pharmacology ; Particle Size ; Polysaccharides, Bacterial ; chemistry ; Random Allocation ; Rats ; Rats, Sprague-Dawley ; Rats, Wistar ; Sesquiterpenes ; blood ; cerebrospinal fluid ; pharmacokinetics
9.Prognostic factors and fertility outcomes of borderline ovarian tumors after conservative surgery.
Tao TAO ; Dong-yan CAO ; Jia-xin YANG ; Keng SHEN ; Jing-he LANG ; Li-na GUO
Acta Academiae Medicinae Sinicae 2010;32(5):488-492
OBJECTIVETo evaluate the prognostic factors and fertility outcomes of borderline ovarian tumors (BOT) after conservative surgery.
METHODSThe clinical data of 109 patients with BOT who were treated in Peking Union Medical College Hospital from January 1990 to December 2007 were retrospectively analyzed. According to the FIGO staging system,there were 34(31.2%) patients at Stage Ia and Ib, 66 (60.6%) at Stage Ic, 2 (1.8%) at Stage II and 7(6.4%) at stage III. No patient was at Stage 4.
RESULTSSurgical treatment included comprehensive staging surgery (n=40, 36.7%), ovarian cystectomy (n=27,24.8%), and unilateral salpingo-ovariectomy (n=42, 38.5%). The average follow-up period was (60.3±42.5) months. Relapse occurred in 25 patients (22.9%), and the mean duration from therapy to recurrence was (36.1±31.9) months. Only one patient died of BOT. Multivariate analysis showed that surgery procedure and tumor stage were the independent prognostic factors affecting recurrence. Of 66 patients with the desire of fertility, 24 (36.4%) finally got pregnant.
CONCLUSIONSConservative surgery has comparatively good prognosis and should be the first choice for younger patients with the desire of fertility. The high-risk factors should be evaluated before the initiation of treatment.
Adolescent ; Adult ; Female ; Fertility ; Follow-Up Studies ; Humans ; Middle Aged ; Neoplasms, Glandular and Epithelial ; surgery ; Ovarian Neoplasms ; surgery ; Prognosis ; Retrospective Studies ; Treatment Outcome ; Young Adult
10.Pathological typing and clinical features in 70 cases of pediatric interstitial pneumonia
Min LI ; Zehong WEI ; Xin YAN ; Tao SONG ; Yuan DONG ; Minzhu ZHAO ; Yunzhi LIU ; Jianbo LI ; Renkuan TANG
Journal of Clinical Pediatrics 2014;(8):727-731
Objective To better understand pathological types of pediatric interstitial pneumonia and improve clinical diagnosis by analyzing the clinical records and pathological typing of interstitial pneumonia. Methods 70 cases of children diagnosed as interstitial pneumonia by autopsy were retrospectively analyzed. Results The number of males was more than that of females. There was a signiifcant predominance of infants less than 2 years. The clinical features include acute onset, rapid development, short duration and atypical clinical manifestations. Most patients had poor prognosis and curative effect with general therapies. Twelve cases had dubious etiology. Pathologic types of 58 cases with unclear etiology were diffuse alveolar damage type (DAD type, 38/58), desquamative interstitial pneumonia type (DIP type, 5/58), lymphoid interstitial pneumonia type (LIP type, 3/58), DAD type complicating DIP type (6/58), DAD type complicating LIP type (2/58), DAD type complicating respiratory bronchiolotitis-associated interstitial lung disease type (RB-ILD type, 3/58), DIP type complicating LIP type (1/58). Conclusions The conifrmed diagnosis rate was relatively low for pediatric interstitial pneumonia. Postmortem examination was helpful for diagnosis and improving clinical diagnosis and pathological typing.