Objective To study the protection mechanism of HO-1 with the gas-blood analysis and MAP of femoral artery in rats with hemorrhagic shock.Methods A model of hemorrhagic shock was established in 20 SD healthy clean male rats.The rats were randomly divided into the L.Lactis recombinant HO-1 gene group (HO group)and phosphate buffer solution group (PBS group).The gas-blood analysis and MAP of femoral artery in hemorrhagic shock were compared during the test.The mortality rate,MPO activity,bacterial translocation,the pathologic and content of HO-1,TNF-α and IL-10 in the low intestine were detected and compared 1h after resuscitation.Results Compared to PBS group,the mortality rate,Chiu's grade,bacterial translocation and MPO activity in HO group were significantly decreased[10％ vs40％,(1.51 ±0.23) points vs(2.15 ±0.48) points,44.4％ vs 100.0％,(0.16 ±0.05)U/g vs (0.99 ± 0.28)U/g,all P ＜0.05],PaO2 and MAP during the resuscitation,the content of HO-1 and the gray level of IL-10 were significantly increased.Conclusion L Lactis recombinant HO-1 gene has the virtue to maintain the higher level of PaO2 and MAP,which is beneficial to the intestine mucosa barrier and anti-inflammation response of low intestine significantly.

Objective To explore the experiences in nursing children with snoring in the peri-operative period. Methods Five hundred and six children with snoring in the affiliated Shengjing Hospital of China Medical University from January 2013 to December 2014 were enrolled in the study. The clinical data of all children and the nursing measures were analyzed retrospectively during the peri-operative periods to look into psychological nursing, preoperative evaluation and nursing instructions before the surgeries and keeping respiratory tract un-obstructed, bleeding observation, pain nursing and infection prevention. Results The 506 children underwent tonsillectomy with adenoidectomy or simple adenoidectomy . Two patients had hemorrhage after operation and hemostasis was done successfully by surgeries . Conclusion The nursing measures including psychological nursing , preoperative evaluation and health instructions can be critical for ensuring the successful operation and keeping the respiratory tract unobstructed , infection prevention, bleeding observation and pain nursing can be helpful for reducing the postoperative complications and enhance the quality of life.

Objective To explore the effect of parental accompany on relieving pain and acute stress reaction in children with circumcision.Method Sixty children were divided into the experiment group and control group randomly with 30 cases in each group. Parental accompany was applied in the experiment group besides routine nursing method, while in the control group, only routine nursing method was used.The data of HR、MAP、SpO2、MOPS、VAS were recorded and compared during the operation between the two groups. Result There were significant differences in the MOPS,VAS , SpO2 , the quickest HR and the highest MAP between the two groups (all P<0.05).Conclusion The method of parental accompany during the operation can alleviate the stress reaction and enhance the threshold of pain in children.

Objective To study the effect of DNA damage induced by H2 O2 on the micronucleus frequency in lymphocytes. Methods Resting lymphocytes were treated with different levels of H2 O2 (10,50,100,1 000 μmol/L).1 000 μmol/L H2 O2 was added into mitogen-stimulated lymphocyte cultures at different time intervals.Then micronucleus rate was examined by the conven-tional culture method.Results There was no significant change of the micronucleus frequency in the experimental groups.Conclu-sion H2 O2 could induce lymphocyte DNA damage rapidly,but exerts no effect on the formation of micronuclei,which may be relat-ed to the type of DNA damage and rapid DNA repair.

Objective To investigate the expression of metabotropic glutamate receptor (mGluR) in murine podocytes.Methods Conditional immortalized podocytes were used in the research.RT-PCR was used to estimate the mRNA expression.Western blotting,immunofluorescence staining and immunoelectron microscopy were employed to determine the protein production.EIA,EMSA and Western blotting were used to examine the cAMP generation and cAMP response element-binding protein (CREB) activation.Intracellular calcium was investigated using confocal microscopy.Results mGluR1 and 5 mRNA and protein were expressed in murine brain and podocytes.In glomeruli,most of mGluR1 expression located in podocytes and was expressed in the submembrane space of the podocytes.Podocytes treated with (S)-3,5-dihydroxyphenylglycine (DHPG,an agonist for mGluR1/5) rapidly generated cAMP and activated CREB.(RS)-1-Aminoindan-1,5-dicarboxylic acid (AIDA,a selective antagonist of mGluR1/5) and SQ22536 (an adenylate cyclase inhibitor),but not 2-aminoethoxydiphenyl borate (2-APB an antagonist of canonical transient receptor potential) blocked DHPG-induced cAMP generation and CREB activation.Following DHPG treatment,intracellular calcium level rose and was prevented by pre-treatment with AIDA and 2-APB.DHPG-induced calcium influx was also prevented by incubation with calcium-free medium.Conclusion Podocytes express functional mGluR1 and mGluR5.

Objective To investigate the intervention effects ofYinao Jieyu Prescription on the behaviors and damages in hippocampal CA1 area of the rats with post-stroke depression (PSD).Methods Totally 168 SPF male SD rats were randomly divided into normal group, sham-operation group, stroke group, PSD group, Western medicine group and TCM group. There were 24 rats in the normal group and sham-operation group, and 30 rats in the other groups. Rats in the normal group received no intervention. Rats in the sham-operation group received no suture. Rats in the stroke group were given middle cerebral artery occlusion operation and normally fed after operation. Rats in the PSD group, Western medicinal group and TCM group were made into PSD models by chronic immobilization stress for one week and individual battery to the end. At the inception of modeling, Western medicine group received fluoxetine hydrochloride for gavage; TCM group receivedYinao Jieyu Prescription for gavage; other groups received distilled water for gavage, once a day. At the end of week 2, 4, and 8, the morphology of the hippocampal CA1 area in each rat was observed by microscope after HE stained.Results Except for the week 2, at the same time point, the behavior scores of the rats in the TCM group were higher than those in the PSD group. At the same time point, the CA1 region of the hippocampus in the TCM group was more complete than the PSD group, and the cells were arranged neatly and in normal morphology.ConclusionYinao JieyuPrescription can improve the symptoms of PSD rats, and has protective effects on hippocampal CA1 area.

Deciphering the metabolites of multiple components in herbal medicine has far-reaching significance for revealing pharmacodynamic ingredients.However,most chemical components of herbal medicine are secondary metabolites with low content whose in vivo metabolites are close to trace amounts,making it difficult to achieve comprehensive detection and identification.In this paper,an efficient strategy was proposed:herb-derived metabolites were predicted according to the structural characteristics and metabolic reactions of chemical constituents in Corydalis Rhizoma and chemical structure screening tables for metabolites were conducted.The fragmentation patterns were summarized from represen-tative standards combining with specific cleavage behaviors to deduce structures of metabolites.Ion abundance plays an important role in compound identification,and high ion abundance can improve identification accuracy.The types of metabolites in different biological samples were very similar,but their ion abundance might be different.Therefore,for trace metabolites in biological samples,we used the following two methods to process:metabolites of high dose herbal extract were analyzed to char-acterize those of clinical dose herbal extracts in the same biological samples;cross-mapping of different biological samples was applied to identify trace metabolites based on the fact that a metabolite has different ion abundance in different biological samples.Compared with not using this strategy,44 more metabolites of clinical dose herbal extract were detected.This study improved the depth,breadth,and accuracy of current methods for herb-derived metabolites characterization.

Objective: To analyse associated factors of campus bullying in schools, and to construct a nomogram model to predict the risk of campus bullying, so as to provide a theoretical basis for campus bullying prevention and control. Methods: In September 2023, 89 117 middle and high school students were selected by stratified cluster random sampling method within 12 cities (103 counties) in Inner Mongolia, and were surveyed with self administered questionnaire. Among them, there were 62 381 participants in the training set and 26 736 participants in the testing set. Statistical analysis was conducted using χ 2 test and multiple Logistic regression, and a nomogram model was drawn for predicting campus bullying. Results: The prevalence of campus bullying was 3.49%. Living in a suburban county, living in an unstable family, not the only child, having a father with a college degree or above, sometimes or never eating breakfast, being overweight or obese, living on campus, being scolded by parents in the past 30 days, smoking, Internet addiction, experiencing depression, anxiety symptoms, recreational soluble solvents use, cough medicine abuse, nonprescribed use of sedatives were all positively correlated with campus bullying ( OR =1.18, 1.40, 1.12, 1.33, 1.13, 1.72 , 1.12, 1.17, 1.82, 1.32, 1.83, 3.92, 2.40, 2.25, 1.51, 1.63, P <0.01).There were a negative correlation between high school students, female students, and the number of physical education classes per week (2-3, ≥4) with campus bullying ( OR =0.67, 0.58, 0.72, 0.83, P <0.01). The prediction model of campus bullying risk was established by nomogram model. The area under curve (AUC) was 0.82, and the calibration curve showed that the predicted value was close to the actual value. Conclusions Bullying among middle and high school students are related to family intimacy, poor daily behaviour and psychological factors. Targets of bullying intervention in schools should be identified, and preventive and control measures against bullying in secondary schools should be formulated, so as to reduce the occurrence of campus bullying.

Objective: To analyze the prevalence trend of scoliosis among myopic students in Inner Mongolia Autonomous Region during 2019-2022, to explore the common etiology of myopia and scoliosis co-morbidities, so as to provide a reference for the development of relevant measures. Methods: The method of stratified random cluster sampling was used to select 181 533, 141 552 , 200 987, 190 918 primary and secondary school students from 12 leagues(103 banners) in Inner Mongolia Atuonomous Region in September each year from 2019 to 2022. And scoliosis screening, vision examination and questionnaire survey were conducted among students in the included studies. The χ 2 test was used to analyze the data, and the binary multivariate Logistic regression model was used to screen the influencing factors of scoliosis and myopia co-morbidities. Results: From 2019 to 2022, the myopia rate of primary and secondary school students in Inner Mongolia Autonomous Region was 55.55%-59.72%, scoliosis rate was 1.56 %-2.81% and the rates of scoliosis and myopia co-morbidities were 1.14%-1.95%, and the difference between different years was statistically significant ( χ 2=595.01, 775.56, 461.84, P < 0.05 ). In 2022, the co-morbidity rate was higher in girls than in boys(1.32% vs 0.97%), the rate of urban areas was higher than that of rural areas(2.57% vs 0.62%), the rate of students in vocational high school and high school was higher than that in junior high school and primary school (3.82%,2.47% vs 1.70%,0.42%), the rate of over developed areas was higher than that of poor areas (1.21% vs 0.99%)( χ 2=52.19, 1 269.82, 1 361.52, 17.29, P < 0.05 ). Logistic regression analysis showed that at least 1 h of moderate and high intensity exercise every day on weekends, the number of physical education classes per week was more than 3 sessions, the height of desks and chairs was adjusted according to height, resting outdoors, limiting screen time, and strictly requiring standing and sitting posture were the negative correlated with scoliosis and myopia, and the OR value was 0.65-0.90, reading books or electronic screens while participating in cram classes, walking or riding in the car were positively correlated with comorbid scoliosis and myopia, and the OR values were 1.27 and 1.13 ( P < 0.05), respectively. Conclusion Behavioral habits severely affect scoliosis and myopic of students. Prevention and control of scoliosis and myopia co-morbidity should start with students behavioral habits, early screening and early intervention.

Objective To evaluate the efficacy of pegylated interferon ( PegIFN ) α-2a plus ribavirin ( RBV) therapy for chronic hepatitis C ( CHC) in non-responders, and to investigate the related influencing factors.Methods A prospective, open, multicenter and randomized study was conducted.A total of 81 CHC non-responders were recruited from 10 clinical centers during February 2009 to November 2011.Patients were randomly assigned into two groups:group A (n=37) was given PegIFNα-2a plus RBV treatment for 72 weeks and group B (n=44) was given PegIFNα-2a plus RBV treatment for 96 weeks.Both groups were followed up for 24 weeks after treatment.Virological responses in two groups were observed, and treatment efficacies among patients with different genotypes, and among those with different previous treatment were compared.SAS software was used for statistical analysis.Results Fifty-two patients ( 28 from group A and 24 from group B) completed the study in total.The rates of rapid virological response ( RVR) , complete early virological response ( cEVR ) , end of treatment viral response ( ETVR ) and sustained virological response (SVR) in group A were 25.0% (7/28), 60.7% (17/28), 67.9%(19/28) and 60.7%(17/28), respectively; while those in the group B were 41.7% (10/24), 70.8%(17/24), 70.8%(17/24) and 70.8% (17/24), respectively; and there were no significant differences between two groups (P>0.05).SVR was observed in 82.9%(29/35) of patients with CC genotype of IL-28B, which was higher than that in patients with other genotypes ( 3/13 ) , and the difference was of statistical significance (P<0.01).There was no significant difference in viral responses between patients previously treated with IFN plus RBV and those treated by IFN only (P>0.05).The rates of RVR, cEVR, ETVR and SVR in patients who were previously treated with IFN were 36.4%(12/33), 81.8%(27/33), 81.8%(27/33) and 75.8%(25/33), and the rates of cEVR, ETVR and SVR were higher than those in patients who were previously treated with PegIFN (P<0.05), but no significant difference was observed in RVR (P>0.05).Adverse events occurred in 38 patients (46.9%), but no severe ones were observed. Conclusion The efficacy of PegIFNα-2a plus RBV therapy for CHC in non-responders is satisfactory, which may influenced by IL-28B genotypes and previous treatment.