Objective To discuss the application value of the Nickel-Titanium patella concentrator(NT-PC) in surgical treatment of patellar fracture.Methods A retrospective analysis was made on clinical data of 32 cases of patellar fracture treated with the NT-PC in this hospital from January 2001 to December 2003.Results Re-examination of radiography at 12 weeks after surgery showed bone union was achieved in all the cases,with a smooth patellofemoral articular surface.The patella was preserved completely in all the comminuted fracture cases.According to the Lu's criteria,excellent and good outcomes were achieved in 26 and 6 cases,respectively,the rate of excellent or good results being 100%.The NT-PC was removed at 4 months ~ 2 years(mean,14 months) postoperatively without complications.Conclusions Application of NT-PC in the treatment of patellar fracture can preserve the comminuted patella completely,facilitate the reduction and fixation of the patellofemoral articular surface,and make early postoperative motions available.It is worthy of being recommended.

OBJECTIVE:To evaluate therapeutic efficacy and safety of chemotherapy combined with Xiaoaiping injection in the treatment of elderly patients with advanced gastric cancer. METHODS:60 elderly patients with advanced gastric cancer were collected from our department during 2012-2014,and then divided into union group and single group with 30 cases in each group. Single group was given irinotecan(CPT-11)150 mg/m2 added into 0.9%Sodium Chloride injection,and union group was addition-ally given Xiaoaiping injection 80 ml,qd,on the basis of single group. A treatment course lasted for 14 days,and both groups re-ceived 4 courses of treatment. The tumor markers,disease single rate,progression-free survival (PFS) and the incidence of ADR were compared between 2 groups. RESULTS:After treatment,the levels of CEA,CA199 and CA242 in 2 groups were significant-ly lower than before;the union group was significantly lower than the single group,with statistical significance(P<0.05). The dis-ease single rate of union group was 70.00%,which was significantly higher than that of single group (33.33%). PFS of union group was(11.23±2.17)months,which was significantly longer that of single group [(9.36±0.84)months],with statistical signif-icance(P<0.05). The incidence of leucopenia,alanine aminotransferase elevation,diarrhea,stomatitis and hand-foot syndrome in union group was significantly lower than in single group,with statistical significance(P<0.05). CONCLUSIONS:Xiaoaiping in-jection combined with irinotecan chemotherapy for advanced gastric cancer has obvious effect with a low incidence of ADR.

Objective: To compare the effects of three fluoride-containing agents on the remineralization of deciduous teeth in vitro. Methods: 36 deciduous teeth were randomly divided into four groups with 9 in each. The teeth were fenestrated on the labial middle surface and the rest parts of the teeth were covered with red nail polish.Every exposed area was etched,rinsed and puffed.Then the exposed areas were treated with 100 g/L(NH 4) 2MoO 2F 4(group ①) , 380 g/L Ag(NH 3) 2F (group ②) and APF-LaCl 3(group ③) for 3 minutes respectively, those in group④ were treated with deionized H 2O as the controls.Then,the teeth were placed into a bottle containing 5 ml remineralization solutions. 4 days later, the concentration of Ca 2+ in the remineralization solutions was measured. Results: The Ca 2+ concentrations (mmol/L) in the remineralization solution of group ①,②,③ and ④ were 0.338 9?0.116 5,0.570 0?0.145 5,0.517 8?0.084 8 and 0.120 4?0.046 8 respectively (P0.05:②vs③). Conclusion: The results indicate that all of the three fluoride-containing agents can promote the remineralization of deciduous teeth in vitro, and that both APF-LaCl 3 and 380 g/L Ag(NH 3) 2F are more effective than 100 g/L(NH 4) 2, MoO 2 F 4.

The angiographic findings of 18 patients with vena cava syndrome were reported.The venacavographies showed the extent,degree of stenosis or obstruction,and collateral vascular dilatation.The vena cava displaced and stenosis suggested that there was space occupying lesion in the adjacency.The abdominal aortography could show streak like vessels supplying the tumor in the periphery of vena cava.The casuse,clinical feature and angiographic classification were briefly discussed.The angiography is considered an accurate method of diagnosing vena cava syndrome.

BACKGROUND:In the early development of zebrafish embryos, cels divide and proliferate rapidly, but low concentration of deguelin can delay the development of zebrafish embryos.
OBJECTIVE:To observe the effect of different concentrations of deguelin on cyclin D1 gene expression in zebrafish embryos.
METHODS:Though normal fertilization, zebrafish embryos that incubated to the 2-cel stage (about 0.75 hour after fertilization) and shield stage (6 hours after fertilization) were colected and put into 12-wel plates treated with 100, 200, 400 nmol/L deguelin at 28.5℃in an incubator til the shield period and 24 hours after fertilization, respectively. Simultaneously embroys treated with 1% dimethyl sulfoxide solution were as a control group, cultured in the same conditions. Cyclin D1 RNA probes were prepared for the whole mountin situhybridization, observing staining by an upright fluorescent microscope camera to detect the effect of deguelin on cyclin D1 expression in zebrafish embryos.
RESULTS AND CONCLUSION:Deguelin showed significant negative regulation on the expression of cyclin D1 gene in zebrafish embryos. Cyclin D1 expressed in outsourcing cels in embryos of shield stage, and a significant reduction in the expression of cyclin D1 came up with the increasing concentrations of deguelin. In the 400 nmol/L deguelin treatment group, there was nearly no expression of cyclin D1. Cyclin D1 expressed in the brain, central nervous system, immature eye, somites, trunk, and tail of embryos at 24 hours after fertilization, and reduced significantly in the 100 nmol/L deguelin treatment group, especialy in the proliferative area. In the 200 and 400 nmol/L treatment groups, the embryonic development slowed down signficantly, and cyclin D1 gene mainly expressed in the dorsal ectoderm cels.

This study was aimed to investigate the effect of Rheum tanguticum on expression of serum endothelial nitric oxide synthase (eNOS), endothelin (ET) and 6-keto-prostaglandin F1α (6-Keto-PGF1α) in uric acid nephropathy rat model. After 3 weeks of treatment with different extractions of Rheum tanguticum on uric acid nephropathy rat model, levels of serum BUN, Cr and UA were measured by biochemical analyzer. ELISA method was used to measure the expression of serum eNOS, ET and 6-Keto-PGF1α. Meanwhile, pathological changes of renal tissues were observed by light microscope. The results showed that compared with the normal control group, the levels of serum BUN, Cr, UA and renal index were higher in the model group (P< 0.05). Compared with the model group, the concentration of eNOS in the model group was obviously higher in the rhubarb ethanol extraction group, rhubarb water extraction group, and allopurinol group (P< 0.05). Concentration of ET was obviously reduced in the rhubarb water extraction group and allopurinol group (P< 0.05). There was no statistical difference with the rhubarb ethanol extraction group. There was no significant difference in the concentration of 6-Keto-PGF1α among groups. Lots of inflammatory cells and uratic crystallization were observed by light microscope in renal tissues among rats in the model group. Damages of renal tissues in medication groups were alleviated than the model group. It was concluded that Rheum tanguticumcan alleviate the damage of uratic crystallization and inflammatory cell infiltration, increase the concentration of serum eNOS, and decrease the concentration of serum ET. Thus, it can reduce the damage of renal endothelial cells and protect renal functions. The effect of rhubarb ethanol extraction on reducing ET expression was less than the water extraction.

Low-density lipoprotein receptor-related protein-1 (LRP-1) is a transmembrane receptor protein locatedon the plasma membrane of the cells and involved in receptor-mediated endocytosis.LRP-1 binds to distinct ligandsthat are structurally and functionally unrelated, which makes it not only mediates endocytosis, but also regulates cell surfaceproteolytic activity and specific intracellular signaling pathways related to multiple links in the process of developmentof atherosclerosis.Moreover, LRP-1 plays an important role in maintaining vascular stability.This review focuses on theprogress in LRP-1-regulated vascular integrity, and provides new insights to the target of the blood vessel diseases.

Objective To explore the role of Th17/IL-17 in the pathogenesis of asthma in children.Methods Thirty asthma children (asthma group) and 20 healthy volunteers (control group) were selected as our subjects.Percentage of Th17 cell in peripheral blood mononuclear cell (PBMC) of asthma children was detected by flow cytometry,the level of IL-17 and IgE in plasma were examined by enzyme linked immunosorbent assay.Results Proportion of Th17 cells in PBMC of children in asthma group was (1.83 ± 1.01) ％,significantly higher than that in control group ((1.02 ± 0.49) ％ ; t =3.896 ; P ＜ 0.01).The IL-17 level in control group was (19.11 ± 3.23) ng/L,significant lower than that in asthma group ((34.23 ± 4.88) ng/L;t =6.261 ;P ＜ 0.01)).The Ig E level in asthma group was (399.4 ± 45.1) ng/L,significantly higher than in control group((58.2 ± 19.7) ng/L;t =7.244,P ＜0.01).The level of IL-17 in plasma had a postive relationship with the proportion of Th17 cells(r =0.882,P ＜0.01),but not relationship was seen with the level of IgE (r =0.375,P ＜ 0.05).Conclusion Th1 7 cell is associated with asthma development of children,and the reason may due to probably aggravating asthma condition through increasing inflammation secreting IL-17.

Objective To analyze the status of human brucellosis infection in Qi County.Methods From 2010 to 2012,by using Rose Bengal plate agglutination test (RBPT) and standard tube agglutination test(SAT),serological detection was conducted in suspected brucellosis cases and risk populations occupational exposed to Brucella,including livestock traders,slaughters,raisers,milkmaids and veterinary in Qi County.The sex distribution,time distribution,occupation and age distribution were analyzed.Brucella were isolated from patients in acute stage by blood culture,and serotypos were determined by traditional identification method.Results From 2010 to 2012,977 people were examined; 273 people were serological positive(27.9％) ; male[31.6％(232/735)] was higher than female[16.9％(41/242),P ＜ 0.05].March to August were the peak seasons in every yeas.Most of the patients were engaged in farming,aged from 21 to 60 years old.Eleven strains of Brucella Melitensis biotype 3 were isolated in 30 cases of blood culture samples.Conclusions The incidence of human brucellosis is increasing year by year in Qi County.Infected people are mostly young men.It is necessary to strengthen health education,increase the awareness of self protection in order to reduce the occurrence of brucellosis.

Objective To explore the relationship between critical thinking disposition and mental self-supporting and provide reference for educators in an attempt to improve undergraduate nursing students' positive psychological qualities and critical thinking disposition.Methods A total of 406 nursing undergraduates were investigated by using the California Critical Thinking Disposition Inventory-Chinese Version (CCTDI-CV) and Mental Self-supporting Questionnaire of University students.Results Undergraduate nursing students scored (280.91± 28.43) points averagely in critical thinking disposition,and the dimensions of analyticity (42.17±5.31) and truth seeking(37.56±6.42) got the highest and lowest score respectively.The total score of mental self-supporting was 76.40±8.47 points; among the seven subscales,opening and containing(11.90± 1.72) scored the highest and self-conviction(8.87±2.28) scored the lowest.A positive association was found between critical thinking disposition and mental self-supporting(r=0.583,P＜0.01).The regression analysis showed that students' self-decision,self-cognition,self-confidence and self-charge played a significant role in students' critical thinking disposition (R2=0.435,P＜0.01).Conclusion Undergraduate nursing students' disposition of critical thinking and mental self-supporting were on medium level.The subscales of self-decision,self-cognition,self-confidence and self-charge have huge influence on critical thinking disposition.Nursing educators should make an effort in the above 4 aspects so as to improve undergraduate nursing students' critical thinking disposition.