Fire-dragon moxibustion is a modified moxibustion method based on the traditional moxibustion therapy. It’s more easy-to-operate, has higher security, and is more significant in supplementing yang qi. Via extensive and intensive hot stimulation, fire-dragon moxibustion can activate yang qi inside human body, regulate Zang-fu organs, modulate immune function, and finally achieve the goal of preventing and treating diseases.

Objective To study the real releasing of fluorine (F) and its effects on environmen in coalburning-borne fluorosis areas.Methods The coal,clay,briquette,cinder,fresh corn and roasted corn samples from 24 households were collected systematically in Zhaotong of City,Yunnan Province,and the F concentration in all samples was measured using the combustion hydrolysis/fluoride-ion selective electrode method,and the released amount and rate of F in briquette was calculated,and the relation between the released amount of F from briquette and the increase of F in roasted corn was analyzed.Results The F concentration of clay ranged from 266.4 to 2 536.7 mg/kg with a median of 1 087.1 mg/kg;the F concentration of briquette ranged from 115.9 to 635.0 mg/kg with a median of 308.8 mg/kg.The released amount of F in briquette ranged from 63.5 to 432.2 mg/kg with a median of 248.2 mg/kg.The releasing rate of F in briquette ranged from 30.3％ to 91.5％ with a average of 73.8％.The F concentration in fresh corn ranged from 0.43 to 2.00 mg/kg with a median of 1.31 mg/kg;the F concentration in roasted corn ranged from 2.21 to 44.88 mg/kg with a median of 10.49 mg/kg.The increased amount of roasted corn ranged 0.90 to 44.46 mg/kg.There was a significant correlation between the emission amounts of F from briquette and the F concentration in binder clay (r =0.714,P ＜ 0.01),but no correlation between the released amount of F from briquette and the increasing of F in roasted corn (r =-0.155,P ＞ 0.05).Conclusion The clay is an important source of F pollution,and the F increase in roasted corn is not only determined by the released amount of F in briquette,but also by several factors.

BACKGROUND:Tissue engineering is an interdisciplinary field and its experimental safety covers a wide scope along with the increase in accidents of tissue engineering laboratories, the safety management in tissue engineering laboratories in universities has become an important public health problem. OBJECTIVE:To enhance the safety management strategies for tissue engineering laboratories in chinese universities and improve the safety management system. METHODS:PubMed, Elseveir, WanFang and CNKI databases were retrieved for the literatures concerning the biosafety, safety management of hazardous chemicals, waste, medical information, instrument operation and human body mechanics in tissue engineering laboratories, and then the status of laboratory management was analyzed. RESULTS AND CONCLUSION:The status of safety management in tissue engineering laboratories in China is analyzed based on the technique characters and regulations on safety management. Management strategies for laboratory safety have been proposed according to the differences in relevant laboratory safety management between China and the US, such as regular training on laboratory safety, improving the safety consciousness of experimental staff, constructing the strict system access to laboratory, improving safety facilities, standardizing the experimental safety manual and appointing specialized safety management committee. Comprehensive and systematical regulations on laboratory safety management will ensure the smooth running of tissue engineering laboratories in universities, thus accelerating the development of tissue engineering.

Objective To review the physiological characters and potential function of chondroitin sulphate proteoglycan,CSPG(NG2) glial cells in the central nervous system. Methods In conclusion of the NG2 glial properties and the global, novel researches on NG2 cells. Results Cells that express the NG2 proteoglycan comprise a unique population of glial cells in the central nervous system.Study on their role in the CNS becomes more and more popular.Previous researches mainly focus on the differentiation and distinction.Now the relationship between NG2 glial cells and neurons,and the synaptic plasticity is becoming a hot topic.Conclusion This review referred the research development of NG2 glial cells,including the differentiation,migration,their interaction with neurons,and the potential role in glial cell regeneration in disease systematically.

OBJECTIVE:To investigate therapeutic efficacy of bifidobacteria triple viable bacteria combined with infliximab in the treatment of moderate and severe ulcerative colitis(UC),and its effects on immune function. METHODS:Seventy-two UC pa-tients were selected from gastroenterology department of the First Affiliated Hospital of Chongqing Medical University during Jun. 2009 to Jan. 2015. They was divided into single group and combination group according to therapy plan,with 36 cases in each group. Single group was given infliximab 5 mg/kg,ivgtt,on 0,2nd,6th,8th week. Combination group was additionally given bi-fidobacteria triple viable bacteria 420 mg,tid. Both groups were treated for consercutive 2 months. Clinical efficacies were com-pared between 2 groups as well as the levels of humoral immunity and T cell function. The occurrence of ADR was observed in 2 groups. RESULTS:Clinical response rate of combination group was 86.11%,which was significantly higher than 52.78% of single group,with statistical significance (P<0.05). Before treatment,there was no statistical significance in humoral immunity and T cell function between 2 groups(P>0.05). After treatment,the levels of CD4+ and CD4+/CD8+ were significantly increased in both 2 groups,while the levels of CD8+,Th1 and Th2 were significantly decreased;the combination group was significantly better than the control group,with statistical significance (P<0.05);there was no statistical significance in CD3+ between 2 groups before and after treatment(P>0.05). After treatment,the levels of IgA and IgG were increased significantly in 2 groups,and the level of C3 was decreased significantly;the combination group was significantly better than the control group,with statistical significance (P<0.05);there was no statistical significance in IgM content and C4 level between 2 groups before and after treatment (P>0.05). There was no statistical significance in the incidence of ADR between 2 groups(P>0.05). CONCLUSIONS:Bifidobacteria triple viable bacteria combined with infliximab shows significant therapeutic efficacy in the treatment of moderate and severe UC, and can significantly improve humoral immunity function and the recovery of T cell level,with good safety.

Objective:To investigate the prevalence of cervical infection with high-risk human papillomavirus (hr-HPV) among the rural women of Jing-an County in Jiangxi Province. Methods:A population-based cross-sectional study was conducted among rural women of ages 35 years to 59 years in Jing-an County between May 2012 and November 2012. A total of 4 673 women were enrolled. Hybrid capture2 (hc2) was detected in 2 491 women, whereas HybriMax was detected in 2 182 women to understand the different hr-HPV types. Results:The overall hr-HPV prevalence was 11.9%. Multiple-type infections accounted for 41.5%. The most commonly seen hr-HPV type was HPV52 (2.8%), followed by HPV58, HPV16, and HPV39. No significant difference was observed in the preva-lence of hr-HPV infection between women in the mountainous and the plain areas in Jing-an County. However, the age distribution of HPV infection significantly differed (P<0.001). Conclusion:Hr-HPV infection rate in Jing-an County was close to that of other areas in China. HPV52 and HPV58 appeared to be the most prevalent HPV types and should be employed as a basis for HPV prevention in this area.

Objective To observe the impacts of Kechuanning on expression of signal transducer and activator of transcription 6 (STAT 6) in CD4+, CD8+T lymphocytes of athma rats induced by virus, and analyze the mechanism of Kechuanning in treating asthma induced by RSV. Methods The PBMC was isolated from the peripheral blood, CD4+T, CD8+T lymphocyte was separated by immunomagnetic beads. The purity and activity of CD4+T and CD8+T lymphocytes were measured by using flow cytometry, trypan-blue dye exclusion test. The protein expression of STAT6 was detected by fluorescence-activated cell sorting. Results The descending progress of the trial were supported by the purity and activity of CD4+T, CD8+T lymphocyte. CD4+T lymphocyte in the asthma model group were increased (P<0.01), however the increase of CD8+T lymphocyte were not significant (P>0.05). The expression of the protein of STAT6 in the treated group with Kechuanning decoction were decreased than that in the model group (P<0.01). Compared with Dexamethasone and Salbutamol group, there were no significant differences (P>0.05). Conclusion Kechuanning decoction could decrease the protein of STAT6 in CD4+, CD8+T lymphocyte, thereby it could regulate the disorder of Th1/Th2, thus prevent and treat the asthmatic attack induced by virus.

Objective To explore the effect of anterior cruciate ligament (ACL) rupture on the biomechanics of medial collateral ligament (MCL). Methods Six fresh human knee joints were fixed on the self-made fixture and flexed 90°. ACL was divided into a normal group, an anteromedi-al bundle(AMB) break group, and an ACL complete break group. 800N burden was loaded, and the MCL strain data were compared among the 3 groups. Results The MCL strain was significantly increased in the AMB break group and the ACL complete break group than that in the normal group (P<0.05). There was no significant difference in the MCL strain between the AMB break group and the ACL complete break group (P>0.05). Conclusion ACL rupture may cause significant changes in the MCL biomechanics, but the effect of AMB break and ACL complete break on MCL has no significant difference.

Objective:To explore the effect of CDIO (conceive, design, implement, operate) model workshop training on the training of new nurses in the operating room.Methods:Forty-two nurses with standardized training were selected as the research objects, and they were randomly divided into two groups: observation group ( n=21) and control group ( n=21). The control group used the traditional training method in the operating room, and the observation group used the workshop training based on the CDIO model. SPSS 17.0 was used to statistically analyze the operation skill scores and case scores after training. The measurement data is expressed by (mean±standard deviation), the independent sample t test is used for comparison between the two groups, and the chi-square test is used for the comparison of counting data. Results:After the training, the scores of operating room knowledge assessment of the two groups were (72.31±2.16) points and (73.61±2.18) points respectively, with statistical significance ( P<0.05); the operation skill scores of observation group were (7.42±0.13) points, which were higher than those of the control group (6.62±0.11) points, and the disposal scores of observation group after operation were (7.12±0.20) points, which were higher than those of the control group (6.27±0.16) points, with statistical significance ( P<0.05); the professional quality scores of observation group were (7.41±0.25) points, which were higher than those of the control group (6.55±0.22) points; the adaptability scores of observation group were (7.06±0.22), which were higher than those of control group (6.35±0.21) points, with statistical significance ( P<0.05). Conclusion:The workshop training based on the CDIO model is effective for the training of nurses in the operating room, and the combined application effect is better than the effect of the traditional teaching model, especially for the improvement of practical skills.

Objective To prepare gensenosides microbore osmotic pump tablet, and to investigate releasing in vitro. Methods We prepared gensenosides microbore osmotic pump tablet to investigate the release in vitro by cumulative release rate in different time. Results We prepared gensenosides microbore osmotic pump tablet successfully and investigated releasing in vitro and drew the release curve. Conclusion The release of gensenosides microbore osmotic pump tablet in vitro consists with zero order release rule. It can chalk the effect in ten hours.