Objective To comprehensively evaluate the effectiveness of health education interventions on endemic fluorosis for Chinese students and housewives,and to provide a basis for prevention and control of the disease.Methods A computerized literature search was carried out in CBM(Chinese Biomedical Database),CNKI (Chinese National Knowledge Infrastructure),Wan-fang,VIP,Pub-Med,Web of Knowledge and EBSCO to collect articles published at home and abroad between 1994-2012 concerning the effectiveness of health education interventions on endemic fluorosis for Chinese students and housewives.The study was a self-controlled intervention study.The quality of literature was evaluated using the standards of Cochrane and EPOC.Meta-analysis was performed to assess the knowledge about fluorosis prevention using Rev-Man 5.0.Homogeneous data(P ＞ 0.05) was analyzed using a fixed effects model,and heterogeneous data (P≤ 0.05) was analyzed using a random effects model.Results A total of 146 Chinese research papers and 192 English research papers were retrieved.By screening,35 Chinese research papers meet the standards.After reading the full text,6 papers were selected.English literature was not found.According to EPOC criteria all the six literatures included were grade B.Because heterogeneity of the literatures was higher,knowledge point was stratify analyzed according to the study subjects.The intervention effect of students was higher than that of the housewives.After the intervention,the fluorosis disease prevention knowledge awareness of schoolchildren and housewives were increased by 28％ and 26％.Conclusions Health education has a good effect in improving the knowledge of fluorosis for Chinese students and housewives.

Objective To explore the interaction of calcitonin receptor (CTR) gene polymorphisms and environmental factors in the population lived in coal-burning-borne endemic fluorosis areas in Chongqing.Methods A 1 ∶ 1 case-control study was carried out and Duping Township of Wushan County and Xinglong Township of Fengjie County of Chongqing were chosen as the endemic fluorosis areas.The observation subjects were divided into case group 121 cases and internal control group 130 cases.The Alu I polymorphism in the CTR gene was genotyped using the PCR-RFLP procedure.Logistic regression model was used to analyze the environment and genetic factors,and the interaction between genes and environment was determined according to interaction indicators.Results The rate of CC genotype in case group was lower than that of the control group [60.33％ (73/121) vs.74.62％ (97/130)],while the TT genotype was higher than that of the control group[9.09％ (11/21) vs.3.85％(5/130)].Significant differences in Alu I genotypes were observed between groups(x2 =6.57,P =0.037 ＜ 0.05; 95％CI:0.029-0.036).Allele frequencies of CTR genotypes differed significantly between groups(x2 =7.67,P =0.006 ＜ 0.01 ; OR =0.53,95 ％ CI:0.338-0.834).Urinary fluoride level (≥ 1 mg/L) was demonstrated to be a risk factor of fluorosis(OR =1.814,P =0.041 ＜ 0.05).There was a positive interaction(OR =5.530,γ =2.457) between CT + TT genotypes in CTR and the fluorosis environment of the people (urinary fluoride level ≥ 1 mg/L).Conclusions There is a certain type of interaction between CTR gene C/T polymorphism and environmental fluorine content (urinary fluoride ≥ 1 mg/L) in Chongqing population lived in coal-burning-borne fluorosis areas,and the onset of fluorosis is the result of interaction between heredity and environment.

Objective: To determine the changes of fatty acids composition of eel oil after refining processes. Methods: The composition of fatty acids was determined by GC-MS. Results: The purity of eel oil was increased and the content of high-unsaturated fatty acids was not influenced after deodorization by water vapor distillation at 180 ℃ and 0.01 MPa. Its nutritive value was increased, while its purity and content of unsaturated fatty acids were further increased after winterization at 10 ℃. Its quality, especially unsaturated fatty acids, distinctly decreased after water vapor distillation at 227 ℃ and 0.01 MPa.Conclusion: The nutritive value of eel oil is increased after refining processes of water vapor distillation at 180 ℃ and 0.01 MPa, and winterization at 10 ℃.

Acetylcysteine ; urine ; Humans ; Hydrocarbons, Brominated ; metabolism ; urine

Chromatography, Gas ; Humans ; Hydrocarbons, Brominated ; urine

Background and purpose:Previous researches have shown that intravenous amino acid infusion during general anaesthesia prevents the decreases in core temperature. This study aimed to investigate the effect of amino acid infusion on postoperative liver and renal function in elderly patients undergoing gastrointestinal surgery. Methods:Forty ASAⅠ orⅡ patients (33 males, 7 females) aged 65-75 years undergoing elective gastrointestinal can-cer operation under epidural block combined with general anesthesia were randomly divided into 2 groups (n=20 each). GroupⅠ received intravenous infusion of mixed amino acids at a rate of 2 mL·(kg·h) -1 from induction of anesthesia to the end of operation (AA group); GroupⅡ received infusion of equal volume of normal saline (NS group). Snuff temperature was monitored for induction of anesthesia immediately, after 90 min and at closed abdomen. Renal and hepatic function was performed regularly before operation and on the 1st and 7th postoperative day.Results:The naso-pharyngeal temperatures at 90 min after the beginning of surgery and the time when the peritoneum was closed in AA group were signiifcantly higher than those in NS group (P<0.05). Hepatic and renal function indices were within the normal range in the AA and NS groups. There were signiifcant increases in TBIL, DBIL, ALT, and AST (P<0.05) after operation, whereas TP, ALB, BUN, Scr and UA decreased signiifcantly (P<0.05). There were no signiifcant differences in hepatic and renal function indices between the AA and NS groups (P>0.05).Conclusion:Intraoperative amino acid infusion has no signiifcant effects on the renal or hepatic function in elderly patients undergoing gastrointestinal surgery.

Objective To investigate the expression of hypoxia inducible factor 1α (HIF-1α) and glucose transporter 1 (GLUT1) in lung adenocarcinoma and its correlation with tumor metastasis. Methods SP immunohistochemistry was used to detect GLUT1 and HIF-1α protein expression in 125 lung adenocarcinoma, including 41 cases without metastasis, 38 cases with lymphatic metastasis and 46 cases with brain metastasis. The correlation of GLUT1 and HIF-1α in lung adenocarcinoma metastasis was analyzed by using x 2 test and Pearson correlation analysis. Results Most lung adenocarcinoma were histologically heterogeneous, which contained more than one adenocarcinoma type. 73.2 % (30/41) cases were acinar predominant adenocarcinoma in lung adenocarcinoma without metastasis; 53.6 % (15/38) cases were acinar predominant adenocarcinoma and 26.3 % (10/38) cases were solid predominant adenocarcinoma in lung adenocarcinoma with lymphatic metastasis; 47.8 % (22/46) cases were papillary predominant adenocarcinoma and 34.8 % (16/46) cases were solid predominant adenocarcinoma in lung adenocarcinoma with brain metastases. The expression level of GLUT1 and HIF-1α in lung adenocarcinoma with lymphatic metastasis group was higher than that of the group without tumor metastasis (P< 0.05); the expression of GLUT1 and HIF-1α were positively correlated (r=0.407, P=0.000). Conclusions Papillary adenocarcinoma is the most histological type in lung adenocarcinoma with brain metastasis, suggesting that papillary adenocarcinoma is more prone to brain metastasis. The expression of GLUT1 and HIF-1α play an important role in lymph node metastasis and brain metastasis of lung adenocarcinoma.

AIM: To elucidate if the cytoprotective effects of IGF-1 and insulin on free fatty acid-treated pancreatic ? cells involve alteration in NF-?B activity.METHODS: Apoptosis was characterized by morphological analysis with invert microscope as well as Hoechst 33342 staining under a fluorescence microscope.Influence of co-incubation with free fatty acid(FFA) and IGF-1 or regular insulin(RI) on NF-?B activity were determined by Western blotting.Impacts of Bay-117082,which is NF-?B inhibitor,on cytoprotective effects of IGF-1 and RI were measured by flow cytometry.RESULTS: Apoptosis measured by flow cytometry was inhibited by IGF-1 and RI and semi-quantitative determination by Western blotting showed co-incubation with FFA and IGF-1 or RI caused more potent activation of NF-?B compared with incubation with FFA solely.Furthermore,flow cytometry showed suppression of NF-?B activity abolished the cytoprotective effects of IGF-1 and RI.CONCLUSION: Our data suggest that anti-apoptotic effects of IGF-1 and regular insulin on FFA-treated RIN-m cells are mediated via NF-?B pathway.

OBJECTIVETo investigate the influence of digit-sucking habit on palatal features in pre-school children by using a laser scanning system.

METHODSForty pre-school children were chosen according to the results of questionnaires, among which 20 with digit-sucking habit(digit-sucking group) and 20 without any oral habits(control group). Impression of the upper jaw was taken from each child. After laser scanning the plaster casts, and three-dimensional reconstruction by the computer, parameters of anterior and posterior palatal length, width and height were measured, ratios of height/width, length/width and width ratio of anterior and posterior palatal were analyzed. The differences of palatal features between two groups were analyzed by t test.

RESULTSThere was statistical significance between digit-sucking group and control group in posterior palatal width, anterior palatal length and anterior palatal height. The ratios of height/width and length/width in both posterior and anterior areas were statistically significant (P < 0.05). Compared to the control group, the results indicated that palatal features were relatively deeper, narrower and more protrusive in digit-sucking group.

CONCLUSIONThe digit-sucking habit may have some deleterious impacts on the palatal features in pre-school children with primary dentition. And it is practical to measure the spacial palatal features by using laser scanning system to some extent.

Objective To explore the clinical features,genetic causes and prognosis of intellectual disability with epilepsy(ID-E)in children.Methods The data of unknown causes of ID-E children(n=40)who were identified in Department of Pediatrics,Xiangya Hospital of Central South University from March 2015 to March 2016 were respectively analyzed,and follow-up studies were performed to investigate the epilepsy control and intellectual deve-lopment.Results Forty unexplained ID-E included 25(62.5％)male,and 34(85.0％)cases were severe intellectual disability patients.The onset age of epilepsy was 0.16 to 8.00 years old,median age was 1.5 years old.Twenty cases(50.0％)had slow electroencephalogram background,and 22 cases(55.0％)had focal spikes.Ten cases(25.0％)had abnormal cranial images,with brain dysplasia or atrophy.Follow-up lasted from 0.58 to 1.58 years,and 19 cases(47.5％)had seizure control.Twenty-five cases(62.5％)had used at least 2 anti-epilepsy drugs during follow-up,and 19 cases(47.5％)had drug refractory epilepsy.Improvement of mental or motor development in epilepsy controlled group and the uncontrolled group were 12 cases(63.2％)and 2 cases(9.5％).There were separately 8 cases(8/40 cases,20.0％)and 3 cases(3/16 cases,18.8％)diagnosed respectively by whole genome-wide analysis of copy number variants(CNVs)and gene-panel whose CNVs test findings were negative.Conclusions ID-E patients of unknown causes have the following clinical features:they were mostly found in male patients with severe intellectual disability,and drug refractory epilepsy patients have rather high percentage;well controlling of epilepsy is useful for improvement of mental and motor development.Genetic analysis is significant for control and prognosis of ID-E patients,and genome-wide CNVs have high positive rates which can be used as first-tier test to detect genetic etiology of ID-E of unknown cause.