0.05).Heart rate was significantly slow in bisoprolol group(after treatment:66?4 vs before treatment:74?7 beats/min,P

Objective To compare the clinical efficacy of Rivaroxaban and Warfarin in the treatment of lower extremity deep vein thrombosis.Methods From January to December 2015,51 patients of deep vein thrombosis of the lower limb divided into.Warfarin group (21 cases) and Rivaroxaban group (30 cases).The time of each therapy lasted for 3 months or longer.The characteristics and the change of lower limb venous patency rate in two groups of patients were analyzed to evaluate the curative effect.Results Rivaroxaban group had shorter therapy time than Warfarin group.The lower limb venous patency rate in Rivaroxaban group were higher than that in Warfarin group (85.7％ vs.60％,P ＜0.05).Ultrasonography showed partial patency in 5 mixed thrombus patients of Warfarin group,while complete patency in 2 and partial patency in 3 of Rivaroxaban group.Normalized rate in peripheral venous thrombosis patients of Rivaroxaban group were higher than Warfarin group (84％ vs.25 ％ P ＜ 0.001).Conclusions Rivaraxaban is superior to Warfarin in the complete recanalization of DVT,while safe and reliable.

Objective To investigate the association of ret gene rearrangement mutation with the pathogenesis of papillary thyroid carcinoma (PTC). Methods Twenty-seven cases of PTC were analysed for expression of ret gene rearrangement (ret/PTCs) by multiplex-PCR at first, and then ret/PTC1-3 were identified by identification-PCR (ID-PCR). Finally, the specific ret/PTC was affirmed by automated direct sequencing. Ten specimens of malignant thyroid tissues of other histological types, 33 benign thyroid lesions and 30 normal thyroid specimens beside tumor (as the control) were also included. Results (1) Fifteen samples showed positive ret/PTCs, 11 of which harboured ret/PTC1,3 were positive for ret/PTC3, and 1 for ret/PTC2. All the rearrangements were clearly identified by automated direct sequencing of ID-PCR products. (2) All the 15 ret/PTC-positive tissue samples were histologically confirmed to be PTC. The prevalence of the tumor-specific ret rearrangements in 27 patients with PTC is 55.6% (15/27). (3) No significant difference was found regarding the gender and age of the patients, tumor size and metastasis of neck lymph node. 33.3% (2/6) of the PTC with invasion of extrathyroidal soft tissue were ret/PTC-positive, as compared with 66.7%(4/6) for ret/PTC-negative group (P

Adolescent ; Child ; Child, Preschool ; Cytomegalovirus Infections ; complications ; Female ; Humans ; Kidney Diseases ; etiology ; Kidney Glomerulus ; pathology ; Male

Objective To observe the changes of brain heme oxygenase-1/carbon monoxide (HO-1/CO)in neonatal rats with hypoxic-ischemic brain damage(HIBD)injury and investigate the role of HO-1/CO in the recovery of HIBD. Methods Eighteen 7-day-old Wistar rats were randomly divided into sham-operated group,HIBDgroup and HIBDwith zinc protoporphyrin(ZnPP)treatment group (n=6).In the latter two groups,HIBD model was established by unilateral carotid ligation followed by timed exposure to 8%oxygen. Real-time fluorescent quantitative PCR Was performed to determine the expression of HO-1 mRNA and thiobarbituric acid(TBA)method was used to assay malondialdehyde (MDA)contentinthe braintissue of the rats.The cell apoptosis in the brain aRer HIBD was analyzed using flow cytometry,and the blood CO concentration was detected by the absorbance at 420mn and 432 nm.Results Compared to the sham-operated group.HO-1 mRNA expression and blood CO concentration were significantly increased in HIBD group and ZnPP group (P＜0.05).The rats with ZnPP group had significantly lower HO-1 mRNA expression and blood CO concentration than those in HIBD group(P＜0.05).HIBD resultedin significantly increased MDA content and cell apoptosis rate in the rat brain as compared to those in the sham-operated group(p＜0.05),and ZnPP treatment further increased the MDA content and cell apoptosis(P＜0.05). Conclusions Increased brain HO-1 mRNA expression and blood CO concentration in neonatal rats with HIBD are probably associated with the spontaneous recovery of neural tissue injury.

To study the effect of interleukin-15 (IL-15) on the proliferation, differentiation and apoptosis of MDS CD34(+) cells, CD34(+) cells of high enrichment were separated by MACS system, and cultured in liquid media with different concentration of IL-15 in treated group and without IL-15 in the control group. Apoptosis of hematopoietic precursors was assayed by propidium iodine staining and cell by FCM, and the other MDS CD34(+) cells were stained by cytochemical staining after culture. The results showed that after culture with IL-15 the proliferation and differentiation of MDS CD34(+) cells were obviously promoted. It was found the every lineage of mature cells developed, the expressions of cell surface antigens CD71, CD33 and CD19 all increased in the MDS CD34(+) cell treated with IL-15. It is suggested that IL-15 stimulates the proliferation and differentiation of MDS CD34(+) cells, and partly shows anti-apoptosis effects which may be applicable to the therapy MDS.
Antigens, CD ; immunology ; Antigens, CD19 ; immunology ; Antigens, CD34 ; immunology ; Antigens, Differentiation, Myelomonocytic ; immunology ; Apoptosis ; drug effects ; Bone Marrow Cells ; drug effects ; immunology ; pathology ; Cell Cycle ; drug effects ; Cell Differentiation ; drug effects ; Cell Proliferation ; drug effects ; Cells, Cultured ; Flow Cytometry ; Humans ; Interleukin-15 ; pharmacology ; Microscopy, Fluorescence ; Myelodysplastic Syndromes ; blood ; immunology ; pathology ; Receptors, Transferrin ; immunology ; Sialic Acid Binding Ig-like Lectin 3

OBJECTIVETo investigate the elastic limit and relevant enclasp force of the non-precious metal casting clasp.

METHODSCasting clasp samples of five cobalt-chromium alloys and one 18 - 8 nickel-chromium alloy were made from prefabricated clasp wax by invesing, casting, sandblasting, and ultrasonic cleaning. The process of casting clasp samples deflected by loading and returned by unloading was tested and electric signals were collected by an omnipotent material machine. The analog electric signal was converted to digital signal by an analog to digital converter and stored in a computer. The elastic limit and the relevant enclasp force were analyzed using a relative software.

RESULTSThe elastic limit and the relevant enclasp force of the casting clasp made from the 18 - 8 nickel-chromium alloy were smallest and those of the clasps made from the cobalt-chromium alloys in various brands were different. The range of the elastic limit of the cobalt-chromium alloy casting clasp with the length of 5.0 mm in undercut was 0.28 mm-0.33 mm and the relevant enclasp force was 14.42 g-19.28 g.

CONCLUSIONSIn clinic, we should select the suitable undercut deepness wherein the cobalt-chromium alloy casting clasps, according to different brands of the casting alloy, undercut length, undercut slope, and the clasp thickness.

Chromium Alloys ; Cobalt ; Dental Alloys ; Dental Clasps ; Dental Stress Analysis ; Denture, Partial, Removable ; Elasticity ; Humans ; Nickel ; chemistry ; Stress, Mechanical

Objective To develop the method of 16S rRNA gene clone library for tick bacterial flora analysis, and to analyze the detection effective of pathogens in tick and capacity of bacterial flora diversity. Methods Primers were designed according to the specific gene of Borrelia burgdorferi, Bartonella henselae, Anaplasma phagocytophilum, Ehrlichia chaffeensis and templates were choosen by positive PCR result to amplify the DNA extracted from the ticks. One set of primers targeting 16S rRNA gene conserved region were chosen to amplify certain fragments, DNA extraction, PCR reaction, cloning and sequencing. Nucleotide sequences were compared with GenBank database. Calculated Coverage values of clone library and Shannon-Wiener diversity index. Results Sixteen defined genus-or species-bacteria were detected in 103 valid sequences. Eight species were edge type (Clone No. > 5). Three kinds of pathogens were identified (Borrelia burgdorferi, Bartonella henselae and Rickettsia sp). Three kinds of pathogens were not edge type(Clone No. < 5). Coverage value was 96.11%, and Shannon-Wiener index was 2.40. Analysis results of cloning sequence showed that tick-parasitic bacteria mainly were α and γ deformation mycetes which accounted for 56.25% (9/16). Conclusions The 16S rRNA gene sequences technology could make relative quantitative of bacterial flora, and detect many kinds of pathogens in tick. It's a good method for detection of pathogens and bacterial flora analysis.

OBJECTIVETo investigate the effect of Rhizoma Curcumae (RC), arsenite trioxide (As2O3) on proliferation ana signal transduction molecule in lens epithelial cell (LEC), in order to provide experiment evidence for prevention and treatment of after cataract.

METHODProliferation of cultured bovine LEC were induced by induced by recombinant human basic fibroblast growth factor (rhbFGF); Inhibitory rates of LEC proliferation induced by RC, As2O3 were detected by methyl thiazolyl tetrazolium (MTT); Inhibitory effects of expression of proliferating cell nuclear antigen (PCNA) induced by RC, As2O3 in LEC were assayed via flow cytometer (FCM); Concentrations of LEC calcium ([Ca2+]i) were determined by spectrofluoremeter, intracellular concentrations of cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP) of LEC were measured by radioimmunoassay.

RESULTInhibitory rates of RC, As2O3 on LEC proliferation induced by rhbFGF increased significantly, showing dose-dependent (P < 0.01). PCNA expression of LEC proliferation induced by rhbFGF were down regulated obviously by RC, As2O3, showing dose-dependent (P < 0.01). Concentrations of [Ca2+]and cAMP increased and cGMP decreased significantly in LEC of proliferation inhibited by RC, As2O3 (P < 0.01).

CONCLUSIONRC, As2O3 can inhibit LEC proliferation obviously. Signal transductions of [Ca2+]i, cAMP, cGMP may be the important molecular mechanism. There are broad prospect for RC, As2O3 on prevention and treatment of after cataract.

Animals ; Arsenicals ; pharmacology ; Calcium ; metabolism ; Cattle ; Cell Proliferation ; drug effects ; Cells, Cultured ; Curcuma ; chemistry ; Cyclic AMP ; metabolism ; Cyclic GMP ; metabolism ; Dose-Response Relationship, Drug ; Drugs, Chinese Herbal ; isolation & purification ; pharmacology ; Epithelial Cells ; cytology ; drug effects ; metabolism ; Fibroblast Growth Factor 2 ; genetics ; pharmacology ; Flow Cytometry ; Growth Inhibitors ; pharmacology ; Lens, Crystalline ; cytology ; drug effects ; metabolism ; Oxides ; pharmacology ; Proliferating Cell Nuclear Antigen ; metabolism ; Radioimmunoassay ; Recombinant Proteins ; pharmacology ; Rhizome ; chemistry ; Signal Transduction ; drug effects