To explore the effect of high glucose on the NF-κB/IκB signal pathway in cultured rat glomerular mesangial cells. The results showed that high glucose increased the degradation of IκB-α and the translocation to nucleus of NF-κB. These changes could be reverted mostly by MG132, a proteasome inhibitor. It suggests that the activation of the NF-κB signal pathway by high glucose concentration may probably be via the ubiquitin-proteasome pathway.

Objective To explore clinical application of retrograde medial and lateral gastrocnemius muscle flap for soft tissue defects of the middle and lower third of the leg. Methods From August 2008 to December 2009, in our hospital we adopted retrograde medial and lateral gastrocnemius muscle flap to renovate 5 cases of refractory soft tissue defects of the middle and lower third of the leg. Results Five cases of retrograde medial gastrocnemius muscle flap were survived, morphology and function of soft tissue defects were renovated well. Conclusion This operation is an effective and reliable technique for soft tissue defects of the middle and lower third of the leg, which is performed without sacrificing the major blood vessels, probing vascular pedicle and matching vascular anastomosis.

OBJECTIVETo investigate the therapeutic effect of soft tissue expansion combined with follicular unit extraction( FUE) for burn cicatricial bald.

METHODS48 patients with burn cicatricial bald (> 25 cm2) were treated in three stages. The expanders were implanted on the first stage. After expansion for 8 weeks, the expanders were taken out and local flaps were transferred. One year later, follicular unit extraction( FUE) was applied on the bald area.

RESULTS48 cases were followed up for 5 years with satisfactory cosmetic results. The VAS assessment of satisfaction on hair appearance after three-staged surgery was 8.2 ± 2.1.

CONCLUSIONSSoft tissue expansion combined with FUE has a reliable effect for burn cicatricial bald.

Alopecia ; etiology ; surgery ; Burns ; complications ; surgery ; Female ; Hair ; transplantation ; Hair Follicle ; transplantation ; Humans ; Male ; Surgical Flaps ; transplantation ; Tissue Expansion ; methods ; Tissue Expansion Devices

Objective To introduce clinical application of retrograde medial pedicled skin flap of the leg to repair the plantar cutaneous deficiency. Methods From January 2002 to May 2008, in our hospital we adopted retrograde medial pedicled skin flap to renovate 12 cases of plantar cutaneous deficiency. The size of the skin flaps ranged from 10 cm× 7 cm to 13 cm × 12 cm. Results Ten cases of retrograde medial pedicled skin flap were survived, the rest had partial necrosis because of distal blood flow obstacle. One was cured by changing dressings; the other was repaired by secondary operation. Morphology and function of soft tissue defects were renovated well with 6-18 months follow-up. Conclusion This operation is an effective and reliable technique for plantar cutaneous deficiency.

Objective To investigate the effect of Santong electroacupuncture (EA) on mRNA and protein expression of p75 neurotroph-in receptor (p75NTR) in rats with spinal cord injury (SCI). Methods A total of 72 female Sprague-Dawley rats were randomly assigned to sham operation group (group A, n=8) and model group (n=64). In the model group, Allen's method was used to make SCI rats model, in which 48 survived model rats were further subdivided into model control group (group B, n=12), EA group (group C, n=12), inhibitor Nogo extra cellular peptide residues 1-40 (NEP1-40) group (group D, n=12) and EA+inhibitor NEP1-40 group (group E, n=12) according to de-sign proposal. The treatment groups were electroacupunctured on Dazhui (GV14) and Yaoyangguan (GV3), bilateral Ciliao (BL32) and Zu-sanli (ST36) with loose-tight wave, for 20 minutes every day. After 7 and 14 days of treatment, injured spinal cord tissue was extracted for detecting. The mRNA and protein expression of p75NTR was detected by real-time fluorescent quantitative PCR, in situ hybridization and Western blotting respectively. The hind limb motor function was assessed with Basso-Beattie-Bresnahan (BBB) score. Results The BBB score increased in the treatment groups compared with group B, and was higher in group E than in groups C and D (P<0.05), as well as on the 14th day than on the 7th day in all the treatment groups (t>2.623, P<0.05). The mRNA and protein expression of p75NTR in spinal cord tissues decreased in the treatment groups compared with group B (P<0.05), and no significant difference was found among the treatment groups (P>0.05). Conclusion Santong elerctroacupuncture treatment could improve the hind limb motor function, which may associate with inhibition of the mRNA and protein expression of p75NTR in rats after SCI.

Objective To evaluate role of autophagosomes clearance in delayed cardioprotection by sevoflurane preconditioning in rats with ischemia-reperfusion injury in vivo.Methods Forty-five adult male Sprague-Dawley rats,weighing 270-350 g,were randomly (random number) divided into 3 groups:sham operation group (sham group),ischemia-reperfusion group (CON group),sevoflurane preconditioning group (SWOP group).Myocardial ischemia was induced by 30 min occlusion of left anterior descending branch (LAD) of coronary artery followed by reperfusion for 2 h,and myocardial infarct size was stained by triphenyltetrazolium chloride.Cardiomyocyte apoptosis was evaluated by terminal deoxyribonucleotidyl transferase-mediated biotin-16dUTP nick-end labeling.Autophagosomes were detected under transmission electron microscope.Expression of LC3-Ⅱ,cathepsin B,p62 and cleaved caspase-3 were assessed by western blotting.Statistical analysis were performed using one or two way analysis of variance (SPSS 15.0,Chicago,USA) test followed by Dunnet-t or LSD-t test.Results Sevoflurane preconditioning reduced myocardial infarct size and the number of autophagosomes (P =0.027),attenuated cardiomyocyte apoptosis (P =0.042).Sevoflurane preconditioning decreased the level of LC3-Ⅱ (P =0.033),p62 (P =0.041)and cleaved caspase-3 (P =0.037),but increased the level of cathepsin B (P =0.046).Conclusions Delayed cardioprotection by sevoflurane preconditioning increased myocardial clearance of autophagosomes against the delayed ischemia reperfusion injury.

Objective To explore mechnism and effect of fentanyl on proliferation of gastric cancer SGC-7901 cell.Methods Gastric cancer SGC-7901 cell was cultured with fentanyl of 0 (negative control), 0.5, 5 and 50 nmol/L, MTT method was used to detect the effect of fentanyl on SGC-7901 viability.The effect of fentanyl on SGC-7901 cell cycle was measured by flow cytometry.The level of cell related protein,cell cycle protein cyclin D1, Bcl-2.Results Compared with control group, fentanyl (0.5, 5, 50 nmol/L) could inhibit SGC-7901 cell viability, and the inhibitory rate was highest at 48 h.0.5, 5, 50 nmol/L fentanyl made cell cycle arrested in G1 phase.Compared with control group, fentanyl can significantly inhibit cyclinD1 and Bcl-2 expression with drug concentration increasing(P<0.05).Conclusion These results suggeste fentanyl inhibit proliferation of gastric cancer SGC-7901 cell.

This study was aimed to observe the effect of Yue-Ju Bao-He (YJBH) pill and simvastatin on the reversal of myocardial fibrosis induced by atherosclerosis (AS).ApoE-/-mice were fed on high fat diet to establish models of atherosclerotic plaque and myocardial fibrosis.YJBH pill and simvastatin were used alone or in combination as interventions.Control groups of high fat diet as well as normal diet were observed.Serum lipid and vascular angiotensin Ⅱ (Ang Ⅱ),matrix metalloproteinase-1 (MMP-1) were measured by Elisa.Quantitative analysis of collagen volume fraction (CVF) was conducted by myocardial tissue Masson staining.High-throughput transcriptome sequencing analysis was also adapted to detect differentially expressed genes in myocardial tissues of each group.The results showed that compared with single usage,YJBH pill combined with simvastatin can effectively reduce the total cholesterol (TC),triglyceride (TG),low density lipoprotein (LDL-C) and Ang Ⅱ,increase high density lipoprotein (HDL-C),MMP-1,while Masson staining CVF value was also significantly decreased.Compared with the control group of normal diet,the analysis results from high-throughput transcriptome sequencing analysis showed that difference of gene expression of YJBH pill combined with simvastatin group was mainly in fatty acid metabolism,extend and degradation related pathways,and compared with the model group,the difference of gene expression was mainly in primary immunodeficiency and intestinal immune network IgA production pathways.It was concluded that the combined therapy of YJBH pill and simvastatin can effectively reverse the AS induced myocardial fibrosis.Its mechanism is related to the regulation of immune inflammatory reaction.