Humans ; Hypertension ; complications ; Metabolic Syndrome ; complications ; physiopathology

Objective To detect the mRNA expression of KPNA2 in hepatocellular carcinoma(HCC) tissue and to investigate its relationship with the clinicopathological features of HCC so as to provide the basis for predicting HCC infiltration ,metastasis and early treatment .Methods The HCC tissue and paracarcinoma normal tissue from 30 operative cases of HCC in the hepatobiliary surgery department of this hospital from January 2011 to November 2013 were collected and detected KPNA2 expression at the transcriptional level by RT-PCR .The correlation between the mRNA expression of KPNA2 with the clinicopathological factors of HCC was analyzed by consulting the medical record data .Results Among 30 cases of HCC ,the ratio of KPNA2 mRNA in the HCC tissue and the paracarcinoma normal tissue in 25 cases(83 .33% ) was up-regulated (grey value >2 times) .Therefore ,the KP-NA2 gene exhibited the high expression in the HCC tissue and low expression in the paracarcinoma normal tissue .Conclusion KP-NA2 is highly expressed in the HCC tissue and lowly expressed in the paracarcinoma normal tissue ;the high expression of KPNA2 is positively correlated with the stage and pathological grading of HCC ;KPNA2 may be used as an important indicator for early di-agnosing HCC and judging the malignant degree and potential metastais ability of HCC .

Aged ; Female ; Humans ; Subclavian Vein ; abnormalities

As a novel transdermal drug delivery technology of minimally invasive, safe and efficient, microneedles have received increasing attention. The microchannels formation by microneedles onto the skin is a prerequisite and key for microneedles to deliver drugs. However, there is still a lack of systematic evaluation in skin microchannels. This review summarized influencing factors and evaluation methods in microchannels formation and healing by microneedles, including geometric parameters, materials for preparation, drugs, penetration parameters, differences among the skin of subjects, and presence or absence of occlusion. This review provides reference for other scholars to further study the effectiveness and security of microneedle applications.

Objective To systematically review the effectiveness and safety of statins for chronic obstructive pulmonary diseases (COPD) combining with pulmonary hypertension (PH).Methods The electronic searches in databases of PubMed,EMbase,the Cochrane Library,Web of Science,CBM,CNKI,VIP and Wanfang Data were conducted from the date of their establishment to January 2016 and the references of the include studies were also retrieved for collecting randomized controlled trials (RCTs) or quasi-RCTs on statins treating COPD combining with PH.Two researchers independenlty screened the literature according to the inclusion and exclusion criteria,extracted the data,assessed the quality of the included studies by adopting the Cochrane collaboration' s tool for assessing risk of bias,and performed Meta-analysis by using RevMan 5.3 software.Results A total of 24 studies involving 1 587 cases were included.The results of Meta-analysis showed that:compared with the control group,simvastatin significantly improved FEV1 [MD =0.23,95％ CI:0.16-0.31,P ＜ 0.000 01],FEV1 ％ [MD =6.73,95％ CI:1.34-12.12,P =0.01],FVC [MD =0.39,95％ CI:0.34-0.45,P ＜ 0.000 01],6 minutes walk distance (6MWD)· [MD=59.09,95％CI:54.24-63.93,P ＜0.000 01] and decreased mPAP [MD=6.73,95％ CI:1.34-12.12,P =0.01],SPAP [MD =-4.53,95 ％ CI =-8.87--0.19,P =0.04].Atorvastatin significantly improved FEV1 [MD =6.22,95 ％ CI:2.51-9.93,P =0.001] and 6 MWD [MD =24.10,95 ％ CI:12.98-35.23,P ＜ 0.000 1] and decreased sPAP [MD =-6.44,95％CI:-7.95--4.93,P＜0.00001] andmPAP [MD=-3.51,95％CI:-5.81--1.22,P=0.003].But no significant difference was found in the improvement of FEV1,FVC or FEV1/FVC.Fluvastatin significantly decreased sPAP [MD=-5.89,95％ CI:-6.99--4.79,P ＜0.000 01].There was a significant decrease in the Borg dyspnoea score in statins group [MD =-3.37,95％ CI:-4.61--2.14,P ＜ 0.000 01] as compared with the controls.In addition,the incidence of adverse drug reactions (ADRs) was similar between statins and the control group.Conclusion Current evidence suggests that statins may decrease pulmonary hypertension in patients with COPD combining with PH.However,high-quality clinical trials with large sample size are needed to verify whether the improvement of pulmonary function,6MWD and Borg dyspnoea score are the class effect or the incidence of ADRs is disparate among different statins.

Objective: To clone a novel gene and explore its expression patterns in tissues and cells,so as to find its role in the process of encephalopathy in DS.Methods: On the base of our previous microarray's result together with the tissue type,we chose EST AI480014 to carry out RACE,then analyzed its expression profiles in liver,spleen,kidney,heart,brain by multi-tissues Northern blot,after that semi-quantitive RT-PCR was used to reexamine the expression profiles.Furthermore,we used ISH to find whether aim gene expressed in neuroglial cells cultured in vitro.Finally we performed semi-quantitive RT-PCR to explore whether it expressed differently between DS and normal.Results: We gained a 682 bp new cDNA fragment(DQ275636)which expressed in all the tissues examined and had no alternative splices in them.It expressed highly in brain especially in frontal lobe and hippocampus.According to the ISH result we convinced that it expressed in neuroglial cells.Using bioinformatics we mapped DQ275636 to chromosome 5q14.Conclusion: We have obtained a new gene fragment based on the(above) results.According to its expression character and tissue type,it can be suggested that this gene has a probable role in the process of encephalopathy in DS.

Objective To study the expression of thymic stromal lymphopoietin(TSLP) and the activation of DCs in OVA-induced murine asthma model, and investigate the effects and underlying mecha-nisms of TSLP on lung inflammation. Methods Thirty BALB/c mice were randomly divided into control group, OVA group and TSLP neutralizing antibody treated group. The asthma model was evaluated by airway responsiveness and histological analysis of lung tissues ; The levels of TSLP mRNA in lungs were determined by quantitative real-time PCR; The expression of TSLP in lungs were determined by immunohistochemistry and Western blot; The expression of CD40, CD80, CD86 in BALF was detected by FACS. Results Both the histological analysis of lung tissues and the airway responsiveness were all consistent with the characteris-tic of murine asthma model. The expression of TSLP and TSLP mRNA in the OVA group was significantly in-creased compared with blank group. The expression of CD40, CD80, CD86 in BALF from OVA group was increased significantly compared with the control group. Furthermore, treating mice with TSLP neutralizing antibody reduced the expression of CD40, CD80, CD86 on dendritic cells, and IL-4, IL-5, IL-13 in the OVA group. Conclusion Our study indicate that TSLP was highly expressed in the bronchial epithelia of murine asthma model, via upregulation of CD40, CD80, CD86, induce DCs to active CD4~+ T cells and pro-duce type 2 responses, so that aggravating the lung inflammation of asthma. Blocking TSLP is capable of in-hibiting the production of Th2 cytokines, thus presents a promising strategy for the treatment of asthma.

Objective To examine the role of p38MAPK in high glucose-induced apoptosis of osteoblast MC3T3-E1 cell line, and to investigate its effect on the expressions of apoptosis-related molecules including caspase3, bax, and bcl-2. Methods The lentiviral vector containing short hairpin RNA targeting p38MAPK was constructed. The cultured osteoblast MC3T3-E1 cell were divided into 5 groups:normal control group(A group), high glucose group(B group), p38MAPK-shRNA transfection group(C group), signal transduction inhibitor group(D group), and transfection with negative control siRNA group(E group). RT-PCR was used to determine the p38MAPK mRNA expression levels in MC3T3-E1 cells. Flow cytometry(FCM)was employed to detect the cell apoptotic percentage. The protein levels of apoptosis-related molecules p38MAPK, p-p38MAPK, caspase-3, bax, and bcl-2 were assayed by Western blot. Ultrastructural alternation of MC3T3-E1 cell was observed under transmission electron microscopy(TEM). Results The lentiviral vector containing short hairp in RNA targeting p38MAPK was successfully constructed and transfected into MC3T3-E1 cells. RT-PCR result suggested that the siRNA targeting p38MAPK could effectively reduce the p38MAPK mRNA expression level induced by high glucose in MC3T3-E1 cell line. FCM showed siRNA significantly decreased high glucose-induced apoptosis percentage of MC3T3-E1 cells(P＜0.01). Meanwhile, we also found the siRNA significantly attenuated the proteins levels of p38MAPK, p-p38MAPK, caspase-3, and gene bax induced by high glucose in MC3T3-E1 cells, whereas the protein level of gene bcl-2 was enhanced remarkably when compared with high glucose group and negative control siRNA group(P＜0.01, P＜0.05).Conclusion The iRNA targeting p38MAPK suppressed high glucose-induced MC3T3-E1 cell apoptosis via inhibiting the activation of p38MAPK signaling pathway, thereby reducing the expressions levels of p-p38MAPK, caspase-3 and gene bax, and up-regulating the level of gene bcl-2.

Coprinus comatus cultivated on cotton seed hull medium decomposed lignocellulose straggly and was high of absolute biological efficiency. Lignocellulose is the main carbon source for the fruiting stage of the fungus. There existed the positive correlation between the degradation rates of the cellulose and hemicellulose in the medium and the activities of extracellular CMCase (carboxymenthelcel lulase), FPase (filter paper cellulase) and HCase (hemicellu-lase), there also existed the positive correlation between the degradation rate of the lignin in the medium and the activity of extracellular laccase, but no correlation between the degradatio rate of the lignin in the medium and the activity of peroxidase. The activity of extracellular amylase was comparatively high at mycelial growth stage, and the protease activity peek was at teh time when the fruitbody matured.

Conditions about protoplast preparation and regeneration of Streptococcus zooepidemicus,which could produce hyaluronic acid, were studied , including the concentration of lysozyme, lytic time, different osmotic stabilizers and the preculture under the high osmotic pressure . As a result, the formation and regeneration rate of protoplasts could reach up to 94.6% and 18.5% respectively under the optimum conditions, before the digestion of lysozyme (50U/mL,39℃, 60 min) the strain was cultured for 2 hours in 0.6 mol/L NaCl high osmotic pressure liquid medium containing 1.2% Gly. Among different treatments of various laser power and irradiating time, He-Ne laser which acted for 300 seconds with 40mW /cm 2 caused lethality rate as high as 99.88%. Finally, a mutated strain was gained, whose production of HA is 2.21g/L, just 4.5 times as much as the original strain.