Objective:To identify the function of extracellular soluble vimentin that promotes proliferation, activation and chemotaxis of inflammatory cells. Methods: The proliferation of rat splenocytes stimulated with vimentin was evaluated in vitro. The lymphocyte counts and vimentin-antibody levels of peripheral blood in mice immunized with vimentin were detected in vivo. Peritoneal macrophages were collected and cultured with different concentrations of vimentin to detect the effect on phagocytosing chicken red blood cells. The chemotaxis of NIH3T3 fibroblast towards vimentin was observed in transwell chamber. Results:In vitro vimentin dose dependently promoted the proliferation of splenocytes. The proliferation indexes of primed and naive splenocytes cultured with 16μg/ml vimentin were reached up to ( 196. 0 ± 9. 7 )% and ( 208. 9 ± 4. 6 )% respectively without significant difference. In vivo vimentin significantly enhanced the lymphocytes number(109 L-1)of peripheral blood(5. 74±0. 51 vs. 1. 69±0. 13)and the levels of vimentin specific antibody( OD value 2. 31 ± 0. 06 vs. 0. 19 ± 0. 08 ) that shown no significant difference from immunization with vimentin plus CFA. In vitro vimentin dose dependently stimulated phagocytic ability of macrophages and performed the chemotactic effects on NIH3T3 fibroblasts. Conclusion:Extracellular soluble vimentin promotes the proliferation,activation and chemotaxis of concerned inflammatory cells and possesses the functions as an alarmin.

OBJECTIVE: To establish an HPLC method for the content determination of prostaglandin A1 and prostaglandin B1 in Alprostadil for injection.METHODS: The determination was performed on Alltech Alltima C18 column with mobile phase consisted of phosphate puffer(pH=6.3)-acetonitrile-methanol(70 ∶ 25 ∶ 5) at a flow rate of 1.5 mL? min-1.The detection wavelength was set at 196 nm.The column temperature was set at room temperature and the injection volume was 20 ?L.RESULTS: The prostaglandin A1 and prostaglandin B1 were well separated from main component and other impurities.The linear range of prostaglandin A1 and prostaglandin B1 were 0.175～19.00 ?g?mL-1(r=0.999 7) and 0.23～19.90 ?g?mL-1(r=0.999 2).The contents of prostaglandin A1 in 3 batches of samples were 4.7%,4.9% and 4.3%,and the contents of prostaglandin B1 in 3 batches of samples were 0.6%,0.8% and 0.5% respectively.CONCLUSIONS: This method is proved to be simple,specific and suitable for the content determination of related substances in Alprostadil for injection.

Antimicrobial peptides are a class of small peptides with anti-extrogenous pathogen activities.They are derived from organism and possess antibacterial,antifungus,antiviruses and anticancer cell actions.In recent years,it’s found that some microbial pathogens are able to resist antimicrobial peptides.The constitutive and inducible mechanism of a pathogen resists a given peptide were reviewed in this paper.

Adult ; Endocarditis ; microbiology ; Humans ; Male ; Mycoses ; Recurrence

Objective To explore the effect of cutaneous never anastomosis on sensory recovery in repairing wide spreadly soft tissue defects in dorsal hand with free anterolateral femoral flap. Methods The cases with wide spreadly soft tissue defects in dorsal hand repaired with free anterolateral femoral flap from January 2006 to December 2012 were divided into 2 groups. The control group including 15 consecutive patients from January 2006 to January 2009, whose sensation was reconstructed in routine way. Other 15 consecutive patients from Febnary 2009 to December 2012 were as research group, whose sensation was reconstructed with the suture of cutaneous nevers of anterolateral femoral flaps and forearm. All the patients were followed up for 12~24 months. Results All the free flaps survived in both groups. There were 4 cases good of sensory recovery in the control group, and it was 11 in the research group. No ulceration happened. Conclusion Cutaneous never anastomosis may result in satisfactory sensory function in the patients with wide spreadly soft tissue descts in dorsal hand repaired with free anterolateral femoral flap.

A strain no.H5 isolated from Rhizophora stylosa Griff in Zhanjiang had a good antagonistic activity against Aspergillus niger,pathogen of Dracaena Sanderiana black-rot disease.It was identified as Bacillus licheniformis.Dual culture,mycelium growth rate and inhibitory zones were used to test the effect. Strong inhibition was shown against A.niger.Inhibitory ratios of H5 germ-free fermented filtrate on mycelium growth and conidial germination were 91.9%and 100%respectively.In addition,mycelia on the edge of antagonistic band became abnormal and over-branching.Meanwhile,a lot of vesicles appeared on the surface.When treated with heat,acid and alkali,the filtration of H5 was always with stable activity.Precipitate in 55%saturated ammonium sulfate dissolved in phosphate buffer solution maintained most of the activity after high pressure steam sterilization for 25 minutes.It was preliminarily considered as a kind of heat resistant protein.

Andrographolide total ester sulfonate (ATES) injection is one of the products of traditional Chinese medicine (TCM) currently used against viral infection in China.ATES injection was approved for manufacturing and marketing in January 2002.It is indicated for acute respiratory infections,tonsillitis,chronic obstructive pulmonary disease,influenza,foot and mouth disease,bronchiolitis,herpangina,mumps,infectious mononucleosis and psychosis.However,its usage also carries risk.We investigated the use of ATES at the Wuhan Union Hospital from January 2014 to December 2014 and evaluated its real-word clinical application using the hospital centralized monitoring method.A total of 848 cases were enrolled in this study.In these cases,it was mainly used for postoperative anti-inflammation and treating upper respiratory infection,pneumonia and bronchitis.Among them,39.86％ were contraindicated.Irregular medication of adults and children accounted for 1.91％ and 23.38％,respectively.Improper choice of solvent accounted for 3.18％.The choice of intravenous drip versus aerosol inhalation was reasonable.A case of adverse events (AEs) was observed in the monitoring period,and the incidence of adverse drug reaction (ADR) of ATES injection was 0.12％.ATES injection in our hospital is relatively safe with a low incidence of adverse reactions.The study assesses the clinical usage and adverse reactions of ATES injection,and provides suggestions for rational use in clinical practice.

Objective To evaluate the effect of gabapentin for treatment of neuropathic pain induced by bilateral sciatic nerve chronic constriction injury (bCCI) of rats.Methods Forty-eight female SPF Sprague-Dawley rats,weighing 180-200 g,aged 7-9 weeks,were randomly divided into 4 groups (n =12 each) using a random number table:control group (C group),sham operation group (S group),bCCI group,and bCCI + gabapentin group (G group).Gabapentin 100 mg/kg was intraperitoneally injected once at 15 min before operation and twice a day during 7-13 days after operation for 7 consecutive days.The bilateral mechanical paw withdrawal threshold (MWT),thermal paw withdrawal latency (TWL) and number of cold-stimulated paw withdrawal were measured before operation (baseline) and at 1,3,6,8,10,14 days after operation.Results Compared with C group,the bilateral MWT was significantly decreased,and the bilateral TWL was shortened in bCCI and G groups,and no significant change was found in MWT and TWL in S group.Compared with bCCI group,the bilateral MWT was significantly increased,the bilateral TWL was prolonged,and no significant change was found in the number of cold-stimulated paw withdrawal in G group.Conclusion Gabapentin can relieve thermal and mechanical hyperalgesia induced by bCCI,however,it exerts no effect on cold allodynia in rats.

ObjectiveTo investigate the safety and early clinical efficiency of dynamic cervical implant (DCI) internal fixation to treat cervical disc herniation.Methods From September 2009 to December 2010,31 patients with herniation of cervical disc underwent DCI implantation.The operation time and blood loss were recorded and analyzed.Neck disability index (NDI),Japanese Orthopaedic Association (JOA) score,and visual analogue scale(VAS) score were used to evaluate neurofunctional recovery pre- and post-operation.Routinely,the patients accepted X-ray examination preoperatively and postoperatively.We used White's measurement to measure the range of motion(ROM) and height ratio of implant segment and the superior vertebra pre- and post-operation.ResultsThe average operation time and amount of bleeding were 45 (30-60) min and (100±30) ml respectively.The average postoperative follow-up was 14 months (range,6-20).The average NDI (50.5±16.2 vs.19.6±4.3,P＜0.05),JOA score (12.3±1.6 vs.13.9±1.8,P＜0.05) and VAS score (6.3±2.6 vs.3.1±2.2,P＜0.05) changed significantly at the last follow-up compared with those pre-operation.There were no significant differences in the average ROM of implant segment (9.6°±4.2° vs.6.9°±5.3°,P＞0.05),the height ratio of implant segment and the superior vertebra(2.6±0.1 vs.2.5±0.1,P＞0.05) and the angle of functional spine unit(2.6°±5.2° vs.1.7°±2.9°,P＞0.05) at last follow-up compared with those preoperation.ConclusionUsing DCI to treat cervical disc herniation had shorter operation time and less bleeding advantages,and the early clinical effect was satisfactory.It may retain the cervical biomechanical movement in some degree,maintain the cervical stability.

Objective To approach the effect on mechanical barricade of the mucous membrane of small intestine caused by non-steroidal anti-inflammatory drugs(NSAIDs).Methods Thirty-two male SD rats were randomly divided into control group and model group.The rats of the model group were given 7.5 mg/kg diclofenac by gavage,bid;the rats of the control group were given the same dose of saline.Then thev were further randomly divided into two subgroups(n=8)at the first day and the fifth day after making the models to observe the scores of anatomical lesion on stomach and small intestine and the scores of tissue damage of mucous membrane and to quantitatively analyze the height of villi,as well as the thickness and the section area of mucous membrane with Carl Zeiss Imaging Systems.Observation of the change of ultrastructural organization of mucous membrane was carried out with transmission electron microscope.Results The mucous membrane of stomach of the model groups was slightly edematous.There was no difference between the scores of the model groups and control groups.It was seen that the mucous membrane of small intestine of the first day model group presented with erythema,anabrosis and ulcer.The ulcer was distributed along mesentery.The mucous membrane of small intestine of the fifth day model group showed bleeding,perforation and sinus tract formation,and the scores of anatomical lesion was higher than that of the control group(P＜0.05).The scroes of the lesions of the first and fifth day model groups were 3.5 and 5.0.The difference had statistical significance when compared with those of the control groups(the scores were O)(P＜0.05).Cell degeneration and cellular necrosis of epithelial mueosa of small intestine wag also seen in the first day model group.The top of villi was ablated.The height of the pile on jejunum was (126.9±32.0)μm and that on ileum wag(118.6±22.9)μm They were lower than those of the control group(P＜0.05).However there was no difference of the thickness and section area between them,but the thickness and section area showed a tendency of decrease.It was also seen that there were apomorphosis and sphacelism of epithelial cells in the fifth day model group.Some villi were ablated and laminae propna exposed.The height of villi on jejunum[(73.4±25.4)μm]and that on ileum[(109.3±17.6)μm]decreased significantiy.The thickness of mucous membrane[(123.8±51.6)μm and(165.7±37.4)μm]decreased alnd the section area[(2.48±1.01)mm2 and(3.27±0.76)mm2]became smaller(P＜0.05 vs control group).The mucous membrane of the villi on small intestine wag continuous but arranged disorderly.Cytochondriome swelled,endocytoplasmic reticulia expanded with different degrees,intercellular junction widened Dartly.The microviili in the fifth day model group were ablated more obviously and intercellular iunctions were broken and destroyed gravely.Conclusions Diclofenac can cause damage to the function of mucous membrane barricade of small intestine.It could also lead to shortening of the villi,thinning of the mucous membrane,ablation of the microvilli,and widening of the tight intercellular junction as the characteristic morphological change.