This research is to explore the feasibility of construction of real-time network teach-ing platform in anesthesia resident standardization training. The real-time network teaching were car-ried out by platformconstruction and teaching organization. The teaching effect was evaluated. Using the real-time network teaching platform with the four functions of learning knowledge, cultivating ability, communication and supervision can achieve good teaching effect. It was a beneficial supplement of traditional teaching.

BACKGROUND:Hydroxyapatite/gel nano-composite has the same mechanical strength to the natural bone, but its ability to repair bone defects and osteogenic effect need to be confirmed by further studies.
OBJECTIVE:To explore the repair effect of hydroxyapatite/gel bionic composite in skul defects of rabbits.
METHODS: The hole-like calvarium defect models were established in rabbits, and treated with hydroxyapatite/ gel composites (hydroxyapatite/gel group), autologous skul as positive control (autologous bone group) and
nothing as negative control (blank group). The repairing condition in the skul defect areas were observed and analyzed by X-ray and CT at 4, 8, 12 weeks after implantation.
RESULTS AND CONCLUSION: After 8 weeks, X-ray assessment showed that normal-like bone tissue appeared in the defect region of the autologous bone group; in the hydroxyapatite/gel group, dense bone with similar
morphology to normal bone tissue was found in the central site of defect region, and the boundary was slightly blurred. After 12 weeks, the hydroxyapatite/gel showed blurred edge compared with autologous bone, and the center of the composite was disconnected; in the blank group, a clear and regular transmitted shadow was
observed. After 12 weeks, CT examination showed that the hydroxyapatite/gel was connected tightly with the surrounding normal bone tissue. As a new bionic composite, the hydroxyapatite/gel can achieve good effect in repairing skul defects of rabbits.

BACKGROUND: MyoD gene is one of family members of muscle transcription factors. Transfection MyoD gene can switch on the procedure of differentiation of muscles, and transit non-muscle cells into muscle cells.The MyoD gene only expresses in skeletal muscles. Based on the same contractive structure in myocardial cells and skeletal muscle cells, it is imagined that the conversion from exogenous MyoD gene-induced fibroblast in local myocardium into skeletal muscle cells that had contractive function may become another method in the treatment of congestive heart failure on clinic.OBJECTIVE: To construct and identify a recombinant adenoviral vector carrying MyoD gene for further studies on the recovery function of MyoD gene in myocardial injury.DESIGN: Single sample experiment.SETTING: Department of Cardiology, First Affiliated Hospital, Nanjing Medical University.MATERIALS: The experiment was conducted at the Laboratory of Microbiology and Immunology, Nanjing Medical University between September 2004 and September 2005. MyoD gene and non-replicating form expressive vector of adenovirus were taken as research materials.METHODS: MyoD cDNA fragments were extracted from plasmids pEMSV-MyoD with polymerase chain reaction (PCR), and PCR was used to clone the whole-length gene of MyoD. After adding CACC sequence at 5' end, MyoD gene was cloned by orient topology into transfer ventor, pENTR/D-TOPO. Objective gene was transferred into adenoviral expression vector DNA via pENTR/D-TOPO vector. The recombinant adenoviral vectors transfected into HEK293A cells by using lipofectamine were packaged and amplified.MAIN OUTCOME MEASURES: Evaluation of PCR and DNA sequencing were used for confirming the size of segment and correctness of rank of MyoD cDNA and detecting the titre of virus.RESULTS: MyoD recombinant adenovirus contained target segment with precise length confirmed by PCR and DNA sequence that was correct. The titre of virus was 1.3×1011 pfu/mL.CONCLUSION: The recombinant adenoviral vector carrying MyoD gene is constructed successfully.

The synchronous fluorescence spectra of myoglobin were studies for the first time. The fluorescence peaks observed in the spectra were assigned. When the wavelength interval (Δλ) is 80 nm, the main peak at 335 nm is originated from the tryptophan residues in the myoglobin molecule. When Δλis 20 mn, the peak at 308 nm is mainly due to the tyrosine residues in the myoglobin molecule and in a small part due to the tryptophan residues.Two peaks at 322 and 596 nm were observed in the spectrum of myoglobin for Δλ = 40 nm. The peak at 322 nm is due to both tyrosine and tryptophan residues. The peak at 596 nm is attributed to the heme group in the myoglobin molecule .

Objective:To investigate the effects of continuous substaneous insulin infusion (CSII) on islet β cell function in newly diagnosed diabetic patients.Methods:Forty-six newly diagnosed diabetic patients who received treatment in Taishan People's Hospital from July 2011 to June 2014 were included in this study. They were treated with CSII for 14 days and followed up for 5 years. Before and after treatment, fasting blood glucose (FPG), 2-h postprandial blood glucose (2hPG), triglyceride (TG), fasting insulin (FINS), 2-h postprandial insulin (2hINS), glycosylated hemoglobin (HbA1c), superoxide dismutase (SOD), malondialdehyde (MDA) and the Homeostatic Model Assessment for Insulin Resistance (HOMA-IR) index, Homeostasis Model Assessment for beta-cell function (HOMA-β) index were compared between before treatment and 5 years after treatment.Results:Five years after treatment, the levels of FPG, 2hPG, TG, HbA1c, MDA and HOMA-IR were lower than those before treatment [FPG: (11.3 ± 1.2) mmol/L vs. (5.9 ± 0.4) mmol/L, t = 15.35, P < 0.01; 2hPG: (18.1 ± 4.2) mmol/L vs. (8.1 ± 1.6) mmol/L, t = 16.83, P < 0.01; TG: (2.9 ± 1.1) mmol/L vs. (1.5 ± 0.6) mmol/L, t = 9.81, P < 0.01; HbA1c: (11.2 ± 2.5)% vs. (5.6 ± 1.0)%, t = 11.48, P < 0.01; MDA: (4.6 ± 1.2) μmol/L vs. (2.7 ± 0.9) μmmol/L, t = 16.37, P < 0.01; HOMA-IR: (2.81 ± 0.35) vs. (1.87 ± 0.32), t = 9.37, P < 0.01]. Five years after treatment, the levels of FINS, 2hINS, SOD and HOMA-β were significantly higher than those before treatment [FINS: (5.6 ± 1.3) mU/L vs. (7.4 ± 1.5) mU/L, t = - 6.15, P < 0.01; 2hINS: (15.8 ± 7.5) mU/L vs. (25.8 ± 9.1) mU/L, t = - 5.65, P < 0.01; SOD: (28.9 ± 7.6) U/L vs. (39.6 ± 7.8) U/L, t = - 7.93, P < 0.01; HOMA-β: (14.36 ± 3.82) vs. (65.67 ± 6.67), t = - 18.72, P < 0.01]. Linear regression analysis showed that HOMA-β was positively correlated with SOD level ( R2 = 0.319, P < 0.01). Five years after treatment, the final outcome was insulin therapy in 3 cases (6.5%), oral medication in 25 cases (54.4%), and lifestyle intervention in 18 cases (39.1%). Conclusion:CS II for the treatment of newly diagnosed diabetes mellitus can effectively inhibit oxidative stress, improve the function of islet β cells, and exhibit long-term effects.

This paper has briefly introduced the definition, classification, harms, sources and control of particles, lists the particle evaluation method of coronary stents. And the development trend of particle evaluation method of coronary stents is also analyzed.
Biocompatible Materials ; adverse effects ; Blood Vessel Prosthesis ; Coronary Artery Disease ; therapy ; Humans ; Particle Size ; Stents

Objective To evaluate the effects of flapless versus flap implant surgery on the tissues surrounding the implants in the esthetic zone.Methods A controlled study was conducted in 20 patients with a single implant in the anterior esthetic zone,as compared with the flapless and traditional flap implant placement.6 and 12 months after the implant ation,the vertical reduction of labial and lingual bone were assessed by cone beam computed tomography (CBCT);6 and 12 months after the crowns restoration,the peri-implant soft tissues were examined by probing depth (PD),modification sulcus bleeding index (mSBI),papillary index (PPI) and evaluated by pink esthetic score (PES) standard.Results The vertical reduction of the flapless labial and lingual bone was lower than that of the flap,in which the change of labial bone was statistical differences at 6 months after implant surgery between groups (P ＜ 0.05).The differences of PES between two groups were not statistically significant,although PES increased over time in both groups,which the flapless group had a significantly change in PES from crown placement to 12 months (P＜0.05).Conclusions A flapless implant surgery in sufficient bone support may provide a better short-term esthetic result,whereas the longterm effects need further studies.

OBJECTIVEThe plasmid construction and validation of RET point mutation in vitro.METHODS The RET gene exon in the mainland familial medullary thyroid carcinoma family was analized with muon capture two generation sequencing of. In vitro, the RET relative point mutationswere reconstructed in NIH3T3 cells and the expression levels were studied.RESULTSThe corresponding lentiviral plasmids of RET point mutations were successfully obtained after point mutating the wild RET plasmids, it was verified that the target genes were expressed in NIH3T3 cells stably by Western Blot. CONCLUSIONSStable cell lines carrying RET point mutations were reconstructedsuccessfully, which provide a good platform for studying various point mutations.

Objective To detect the expression of T helper 17 (Th17) cells in the peripheral blood of patient with ankylosing spondylitis (AS),and discuss its role in thc pathogenesis of AS.Methods Twenty AS patients and fifteen healthy controls were enrolled in the study.Th17 (IL-17),Th1 (IFN-γ),Th2 (IL-4)cells and HLA-B27 of their peripheral blood were analyzed by flow cytometry,at the same time,the levels of ESR and CRP were also measured in order to analyze thc relation of Th17 and HLA-B27,ESR as well as the CRP level.The statistical analysis was carried out with single-sample t-test and Speraman's correlation test.Results The level of Th17 cells was significantly higher in the perpipheral blood of AS patients[(2.6±0.8 )%] than those in healthy controls[ (1.1±0.4)% ] (P＜0.01).The level of Th 1 cells was significantly lower in the peripheral blood of AS patients[(3.9±0.8)%] than those in healthy controls[(5.1±1.3)%] (P＜0.01)and the level of Th2 cells was not different in the peripheral blood of AS patients[(4.1±1.6)%] when compared to healthy controls[ (3.1±1.4)% ] (P＞0.05).Th 17 cells was not significantly correlated with the percentage and mean fluorescent intensity of HLA-B27,ESR,CRP(P＞0.05); but there was a tendency that increased expression level of Th17 cells was associated with elevated percentage and mean fluorescent intensity of HLA-B27.Conclusion The level of Th1 cells is decreased,but Th17 is increased in the peripheral blood of AS patients.Th cells are imbalance in AS,patients.The change of Th17 cells may be an important part of the pathogenesis of AS.

Objective To investigate the role and value of interleukin (IL)-17,receptor activator of nuclear factors κB-ligand (RANKL),osteoprotegerin (OPG) in the pathogenesis of AS by detecting the expression of IL-17,RANKL,OPG.Methods IL-17,RANKL,OPG in 44 AS and 15 healthy controls were measured by ELISA.HLA-B27 was measured by flow cytometry.T-test,Spearman's correlation analysis were used for statisical analysis.Results ① Serum IL-17 [(45±12) pg/ml],RANKL [(354±96) pg/ml] levels and RANKL/OPG [(6.5±3.4) pg/ml] ratio were significantly higher in AS patients than those in normal controls (t=11.18,P＜0.05; t=18.66,P＜0.05; t=15.48,P＜0.05),and the serum RANKL levels was higher in AS patients in middle and late period than that in AS patients in early stage (t=47.02,P＜0.05).The serum OPG levels was higher in AS patients in middle and late period than that in AS patients in early stage (t=15.48,P＜0.05).② There were positive linea correletion,respectively,between the serum levels of IL-17 and RANKL (r=0.532,P=O.021),and between serum levels of IL-17 and disease activities of BASDAI (r=0.625,P=0.023),between serum levels of RAN KL and disease activities of BASDAI (r=0.431,P=0.016).Conclusion The surem levels of IL-17 and RANKL are increased in AS patient.