Correlation of blood gas analysis was made in 41 cases of young infa-nts younger than 3 months of age suffering from acute broncho -pneu-monia. Correlation of PO_2 with PCO_2 HCO_3~-, pH and BE was mace accord-dingly and with each other. Among which PO_2 and PCO_2 were the main items. Altogether 15 rairs of correl-alion in all were made.PO_2 and PCO_2 are significantly negatively correlated (P

Aged ; Angioplasty, Balloon, Coronary ; adverse effects ; methods ; Female ; Hematoma ; etiology ; Humans ; Myocardial Infarction ; therapy ; Peritoneal Diseases ; etiology ; Radial Artery

Objective To determine the serum levels of B cell activating factor-receptor(BAFF-R)in patients with primary Sj(o)gren's syndrome(pSS)and investigate the role of BAFF-R in the pathogenesis of pSS.Methods The serum concentration of BAFF-R was measured by ELISA in 120 patients with pSS and 62 age-and sex-matched normal controls.Results The median level of serum BAFF-R was(692.7 ± 536.9)ng/L in pSS and (279.7 ± 186.9)ng/L in healthy controls.The serum level of BAFF-R in the pSS was significantly higher than normal controls(P ＜0.01).Higher level of BAFF-R was associated with higher level of IgG(r =0.429,P ＜0.01).Serum level of BAFF-R had no correlation with IgA,IgM,C3,C4,RF,ESR and CRP.BAFF-R level was markedly increased in patients with positive ANA,anti-SSA,anti-SSB antibody compared with those with negative antibody.Conclusion The serum BAFF-R level was significantly elevated and correlated with the level of immunoglobulin and autoantibodies.BAFF-R play certain role in the pathogenesis of pSS.

Objective To assess the efficacy and safety of diclofenac sodium paste in the treatment of primary osteoarthritis(OA).Methods 54 patients with primary OA were divided into two groups.The experiment group received diclofenac sodium paste.The control group received diclofenac sodium(votalin) emulgel.Patient global assessment and topical pain assessment,physician global assessment and topical pain assessment were wrote down at baseline and after final application.Safety was assessed by evaluation of adverse events,vital signs,and irritation at the application site.Results There were no significant difference between experiment group and control group in patient global assessment,patient pain assessment,physician global assessment,and physician pain assessment.No serious gastrointestinal or renal adverse events were reported or detected by means of laboratory testing.Conclusion Diclofenac sodium paste is effective and safe in the treatment of primary OA.

Objective To investigate the surgical strategy for degenerative lumbar scoliosis (DIS)and evaluate the clinical results of the posterior correction and fusion technique. Methods From May 2003 to May 2009,27 patients with DIS were treated posterior operation. All the patients were performed posterior laminectomy,spinal fusion and correction with pedicle screws system. Among the patients, 18 cases with posterolateral bone grafting,9 cases complicated spondylolishesis with PLIF intervertebral combined with posterolateral fusion. Results All the cases were followed up for a minimum of 12 months and 88.9% (24/27) of them had excellent or good outcome, Oswestry score was(21.54 ± 1.95 )%;22 cases were followed up for 24 months and showed a rate for excellent or good results of 86.4%( 19/22),and Oswestry score was (24.26 ± 2.32)%. Oswestry scores of the postoperative 12,24 months were lower than that before operation (57.83 ± 2.71 )%. There was statistical difference in the cases preoperation and postoperation. Correction of scoliosis of the coronal plane was 47.2%. Preoperative lumbar lordosis was augmented from 23.6°± 8.3° to 43.8°± 9.1°. One case complicated with wound infection during perioperation period, and 2 eases with heart diseases. The screw of 1 case was loosening at 3 months postoperation. Conclusion Decompressing thoroughly and improving lumbar lordosis, the operation of posterior correction and bone graft fusion shows good results for degenerative lumbar scoliosis.

AIM: To establish a new sensitive microplate-based method to determine alpha-glucosidase inhibiting activity and provide a reliable high-throughput way for screening alpha-glucosidase inhibitors in vitro.METHODS: The fitting combination of enzyme and substrate in a certain reaction was tested.Acarbose,the most popular alpha-glucosidase inhibitor in clinical use was used to validate the established method.Calibration curve,wavelength fidelity and kinetic analysis,together with the effect of altered incubation time,temperature and pH were then studied.RESULTS:The details of assay procedure and evaluation of factors affecting the measurement are described.As little as 160 μl assay system was performed in a 96-well plate.The optimal action was finally achieved by incubated at 37 ℃,pH 7.0 for 15 min and measured at 400 nm.Results from the validation exercises by Acarbose strongly demonstrated the accuracy and reliability of the proposed approach.CONCLUSION: This method reported in the current paper makes it possible to rapidly examine large numbers of samples for the presence of alpha-glucosidase inhibitors in very small sample volumes.Such action may help to pace the development of potential oral medications from natural products protecting patients against postprandial hyperglycemic toxicity and therefore treating diabetes mellitus and the related complications.

Baculoviruses produce two viral phenotypes, the budded virus (BV) and the occlusion-derived virus (ODV). ODVs are released from occlusion bodies in the midgut where they initiate a primary infection. Due to the lack of an in vitro system, the molecular mechanism of ODV infection is still unclear. Here we present data demonstrating that Helicoverpa armigera nucleopolyhedrovirus (HearNPV) ODV infected cultured Hz-AM1 cells in a pH dependent manner. The optimal pH for ODV infection was 8.5, which is same to that in the microvilli of midgut epithelial cells, the ODV native infection sites. Antibodies neutralization analysis indicated that four HearNPV oral infection essential genes p74, pif-1, pif-2 and pif-3 are also essential for HearNPV ODV infection in vitro. Thus, HearNPV-HzAM1 system can be used to analyze the mechanism of ODV entry.

Objective To investigate the molecular mechanism of Loureirin A mediated anti-hepatic fibrosis by evaluting its effects on proliferation , secretion ofα-smooth muscle actin (α-SMA) and transforming growth factor-beta1 (TGF-β1), and expression of rat hepatic stellate cells in vitro . Methods Primary hepatic stellate cells were isolated and cultured from Sprague-Dawley rats. After activating and inducing primary hepatic stellate cells from qHSC to aHSC, the activated hepatic stellate cells model in vitro was established. Then we observed the morphological changes of static hepatic stellate cells and activated hepatic stellate cells with inverted phase contrast microscope. Cultured hepatic stellate cells were treated with different concentrations of loureirin A and the inhibitory rate of HSCs proliferation was measured by MTT assay. The expression of Frizzled-4 was measured by western blot analysis. The content ofα-SMA and TGF-β1 in the cultured HSCs'supernatant were measured by enzyme-linked immunosorbent assay (ELISA) . Results Loureirin A the proliferation of inhibited activated hepatic stellate cells in a time-dose-dependent manner compared with the control group,IC50=0.30 μg/μL. After loureirinA treatment of the HSCs, western blot analysis showed that Frizzled-4 expression level was obviously lower than control group. Loureirin A also inhibitedα-SMA and TGFβ1 (P<0.05) secretion in the cultured HSCs'supernatant in different degree by the assay of ELISA. Conclusions The molecular mechanism of Loureirin A and Wnt signaling pathway mediated anti-hepatic fibrosis and anti-angiogenesis may involve down-regulation the expression of Frizzled-4, inhibiting the synthesis and secretion ofα-SMA,TGF-β1and the proliferation of HSCs.

AIM To investigate that Danhong Injection may decrease inflammation and oxidative stress response in rat peritoneal mesothelial cells (RPMCs) cultured with high glucose.METHODS The third passage of RPMCs were used for the experiment.After being incubated with DMEM for 24 hours,RPMCs were divided into normal control group,high glucose group (RPMCs were incubate with 100 mmol/L glucose for 12 h,24 h,48 h,72 h),Danhong Injection group (complete medium with 80 mL/L Danhong Injection for 48 h) and high glucose + Danhong Injection group (100 mmol/L high glucose with 40 mL/L,80 mL/L,160 mL/L Danhong Injection for 48 h respectively).The cell proliferation was detected by MTT method.The levels of interleukin-18 (IL-18),interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) in culture fluid were determined by enzyme linked immunosorbent assay.The contents of malondialdehyde (MDA),superoxide dismutase (SOD),glutathione (GSH),in the culture fluid and intracellular reactive oxygen species (ROS) were measured by kits.The expressions of Bcl-2,Bax,fibronectin (FN),endothelin-1 (EDN1) and haem oxygenase-1 (HMOX1) mRNA were detected by quantitative real-time PCR.The protein expressions of EDN1 and HMOX1 were measured by Western blot.RESULTS High glucose can significantly inhibit RPMCs' viability.High glucose can also up-regulate the expressions of IL-18,IL-6,TNF-α,ROS,MDA,Bax mRNA,FN mRNA,EDN1 mRNA and down-regulate the levels of SOD,GSH,Bcl-2 mRNA,HMOX1 mRNA in RPMCs.Treatment with Danhong Injection can effectively reverse aforementioned effect induced by high glucose.CONCLUSION Danhong Injection can reverse the inhibition of cell viability,the inflammation and oxidative stress response induced by high glucose in RPMCs,thus protect peritoneal membrane.

Objective To study the feature of theta oscillation during working memory (WM) dysfunction in patients with mild cognitive impairment (MCI). Methods Fifteen MCI patients (MCI group) and 15 healthy subjects for checkup (control group) in Tianjin Medical University General Hospital from January to November 2016 were recruited. The differences of behavioral results in visual WM tasks were compared between the two groups. Thirty four-channel electroencephalogram (EEG) signals were recorded simultaneously. Short-Time Fourier transform was used to calculate spatial and time-frequency distribution of power and spectral coherence of multi-channel EEGs. Results Compared with control group, MCI group showed significantly longer reaction time and lower accuracy in WM tasks (P<0.01). The analysis of EEGs revealed that the power of Fz channel was the biggest at frontal midline in both groups. And the power density of theta oscillation was lower at frontal electrode sites in MCI group than that of control group ( P<0.01), and theta coherence was significantly decreased in frontal region and between frontal-posterior regions ( P<0.05). Conclusion The absence of theta oscillaton in frontal region may be one of the important reasons of working memory dysfunction for MCI.