The growth factor receptor -bound protein-2 (Grb2) is an adapter protein in cells. Over expression of Grb2 is found in many kinds of tumor and plays an important role in tumor proliferation and progression. So it may be a molecular target for anti-tumor therapy.

Objective To investigate the relationship between prolonged pregnancy,mode of delivery and pregnancy outcomes.Methods A retrospective analysis of the January 2009 to November 2012,406 cases of prolonged pregnancy cases.Results Select meconium staining of the vaginal trial production of transit emergency caesarean section and vaginal delivery group,the incidence of neonatal asphyxia significantly higher than the cesarean group (P＜0.05).Conclusion The prolonged pregnancy conditional vaginal delivery should be closely monitoring fetal heart rate,timing line CST monitoring patients,cervical score the first basin ratings,observation of amniotic fluid nature and progress of labor,and timely cesarean important treatment prolonged pregnancy safety measures.

Objective:To explore the expression of pressure-sensitive transient receptor potential channel (TRPC1)in bronchial epithelium cells of the patients with chronic obstructive pulmonary disease (COPD),and to explain the molecular mechanism about the participation of TRPC1 in airway remodeling.Methods:Sixty-four patients who needed fiberoptic bronchoscope for diagnosis were selected. All the patients were used as non-operation group and divided into COPD group (40 cases of mild to moderate grade)and control group (24 cases without chronic airway inflammatory disease)according to Respiratory Disease Guideline. The level of the forced expiatory volume/forced vital capacity (FEV1/FVC)in the first second and forced expiatory volume in the first second of the expected value (FEV1%pred)were detected by lung function test.The expression levels of TRPC1, matrix metalloproteinase (MMP-9)and transforming growth factor-β1 (TGF-β1 )in bronchoalveolar liquid (BALF) were measured by ELISA. The relevance among expression level of TRPC1 and levels of FEV1/FVC, FEV1%pred,MMP-9,TGF-β1 was analyzed.Seventeen lung samples from the patients underwent pulmonary lobectomy were selected.All the patients were used as operation group and divided into COPD group (8 cases of mild to moderate grade ) and control group (9 cases without chronic airway inflammatory disease ). Then indictator relevance to airway remodeling,such as thickness-diameter ratio (TDR%),percentage of wall thickness (WA%) were measured.The immunohistochemistry experiment was used to detect the distribution characteristics of TRPC1 protein in human bronchial epithelial cells. The Imagepro-plus 6.0 software was used to analyze the expression difference of TRPC1 protein between COPD and control groups. Western blotting method was used to detect the expression level of TRPC1 . The correlation between the expression level of TRPC1 and TDR%, WA% was analyzed.Results:The lung function detection results showed that in non-operation group,the levels of FEV1%pred and FEV1/FVC in COPD group were decreased compared with control group (P<0.05).The expression levels of TRPC1,MMP-9 and TGF-β1 in COPD group were increased compared with control group (P<0.05). The expression level of TRPC1 was negatively correlated with FEV1%pred (r= -0.34,P=0.002)and FEV1/FVC (r= -0.38,P=0.004).The expression level of TRPC1 was positively correlated with MMP-9 (r=0.36, P=0.004)and TGF-β1 (r=0.61,P=0.002).The immunohistochemistry results in operation group displayed that the TRPC1 protein was mainly distributed in the epithelial columnar cell nucleus and the cell membrane near lumen within the bronchial epithelium.The ratio of integrated optical density (IOD)to area within the bronchial epithelium in COPD group was significantly higher than that in control group (P<0.05).The expression level of TRPC1 protein detected by Western blotting method in COPD group was higher than that in control group (P<0.05).The expression level of TRPC1 was positively correlated with TDR% (r=0.59,P=0.002)and WA%(r=0.60,P=0.002).Conclusion:The TRPC1 channel in human bronchial epithelial cells of COPD patients is actived and up-regulated.The expression level of TRPC1 channel is positively correlated with impared extent of lung function and the expression levels of cytokines relevant to airway remodeling. All above imply that pressure-sensitive TRPC1 channel could promote the development of airway remodeling.

Humans ; Polyomavirus ; classification ; Polyomavirus Infections ; virology

Medical equipment procurement authority provides sunshine supervisory channel for hospital staff by power operation monitoring software, which could operate in the open. The exercise of purchase rights should upload the content in accordance with the provisions of "internal control point". It could strengthen the procurement process control and ensure the orderly supervision links to further regulate bidding and purchasing behavior, which can prevent the exercise of uncontrolled power.
Purchasing, Hospital ; Surgical Equipment ; economics

China donation after Citizen's death (CDCD) has been organized since 2010,and now has been synchronized with the international organ transplantation.At present,liver transplantation has become the only safe and curative treatment for the end-stage liver diseases.Nevertheless,there is much restriction over further exploration of this technique.This article will mainly focus on donation after brain death (DBD),and summarize the four dominating injuries of donor liver,including the donor's primary injury,cut and perfusion injury,graft preservation injury,and ischemia-reperfusion injury.

Objective To evaluate the efficacy of lidocaine solid lipid nanoparticles (L-SLNs) for sciatic nerve blockade in rats.Methods Lidocaine-loaded SLNs were prepared using high pressure homogenization.Ninety SPF male Wistar rats,weighing 220-280 g,were randomized into 6 groups (n =15 each) using a random number table:control group (group C),1％ L-SLN group (group L1-SLN),1％ lidocaine group (group L1),2％ L-SLN group (group L2-SLN),2％ lidocaine group (group L2),and blank SLN group (group SLN).In C,L1-SLN,L1,L2-SLN,L2 and SLN groups,normal saline,1％ lidocaine SLN,1％ lidocaine,2％ lidocaine SLN,2％ lidocaine and blank SLN (200 μl) were injected,respectively,around the sciatic nerve.Before sciatic nerve blockade (baseline) and at 10,20,30,60,120,180,240,300,360,420,480,540 and 600 min after blockade,the paw withdraw latency to a thermal stimulus was measured,and maximum possible effect (MPE) was calculated to reflect the degree of sensory block.Before sciatic nerve blockade and at 10,20,30,60,120 and 150 min after blockade,extensor postural thrust (EPT) of the hind limbs was detected to reflect the degree of motor block.The sciatic nerve at the injection site and the tissues around the site were obtained for observation of the pathological changes at 2 days and 1 and 4 weeks after blockade.Results Compared with the baseline value before blockade and group C,the MPE was significantly increased in at 10-30 min after blockade group L1,at 10-60 min after blockade in group L2,at 10-360 min after blockade in group L1-SLN,and at 10-540 min after blockade in group L2-SLN,and the EPT was decreased at 10-30 min after blockade in group L1,at 10-60 min after blockade in group L2 and group L1-SLN,and at 10-90 min after blockade in group L2-SLN.Compared with group L1,the MPE was significantly decreased at 10 min after blockade,no significant change was found at 20-30 min after blockade,and the MPE was increased at 60-360 min after blockade,and the EPT was increased at 10-30 min after blockade,and no significant change was found at the other time points in group L1-SLN.Compared with group L2,no significant change was found in the MPE at 10-30 min after blockade,the MPE was significantly increased at 60-540 minafter blockade,and the EPT was increased at 10-60 min after blockade,and no significant change was found at the other time points in L2-SLN group.In SLN,L1-SLN and L2-SLN groups,no pathological changes were found in the sciatic nerve at the injection site and the tissues around the site,and only mild inflammatory responses were observed.Conclusion L-SLNs can prolong the duration of block when applied for sciatic nerve blockade in rats and biocompatibility is good.

Objective To study the effects of ultramicro propolis powder on reducing blood lipid and regulating lipid metabolism of mice.Method Hyperlipemia model was induced in mice to observe the effect of ultramicro propolis powder on serum and liver lipid levels,their antioxidant function and liver index.Results Ultramicro propolis powder could significantly reduce serum total cholesterol,triglyceride and arteriosclerotic index,increase high-density lipoprotein-choleslerol concentration,reduce liver index and malonaldehyde content and improve hepatic superoxide dismutase activity.Conclusion Ultramicro propolis powder can regulate lipid metabolism and enhance the antioxidant function in hyperlipemic mice.

Objective To evaluate the significance of ST/TP relative value in electrocardiogram in diagnosis of hypocalcemia.Methods ST/TP relative value in electrocardiogram in 61 children with hypocalcemia and 31 normal children were detected by NIHOH KOHDEN CardiofaxQ ECG-9130P electrocardiogram machine designed by Japanese futian company.Calcium ion was checked out by clinic electrolyte equipment.Results There was significant difference of ST/TP relative value between patients with hypocalcemia and normal children(P

Objective To investigate the effects of brain ischemic preconditioning (BIP) on peripheral blood EPCs and neovascularization in ischemic brain tissue in rats with cerebral ischemia reperfusion injury (IRI). Methods One hundred and eight male SD rats were randomly divided into three groups:SO group (n=36), MCAO group (n=36) and BIP group (n=36). Neurological function assessment was conducted at 0 h before MCAO-reperfusion, 3 h, 24 h and 3 d, 5 d as well as 7 d after MCAO-reperfusion (n=6 for each group in each time point). Flow cytometry was used to calculate the number of EPCs. Immunohistochemical staining was used to detect the capillary density. Results ①Although neurologi?cal deficit scores were significantly decreased in both BIP and MCAO groups after 3 h following MCAO-reperfusion, the scores were much lower in BIP group than in MCAO group(5 d:1.00±0.63;7 d:1.00±0.63, P<0.05).②The numbers of EPCs were decreased in MCAO group while was increased in BIP group at 3 h after MCAO-reperfusion. The numbers of EPCs were significantly higher in BIP group than in MCAO group(24 h:0.58±0.07;3 d:0.80±0.10;5 d:0.68±0.05;7 d:0.52 ± 0.03, P<0.01). ③ The new blood vessels could be detected at 3 d in BIP group and 5 d in MCAO group after MCAO-reperfusion. The numbers of new blood vessels were significantly higher in BIP group than MCAO group(5 d:14.53 ± 3.44; 7 d: 41.40 ± 5.62, P<0.01). ④ Pearson analysis showed a positive correlation between EPCs and capillary density (5 d: r=0.855, P<0.01; 7 d: r=0.946, P<0.01). Conclusion BIP can improve EPCs mobilization and function, which may contribute to neovascularization in the ischemic brain tissue.