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Objective:To analyze the effect of lung protective ventilation on lung ventilation function and serum Clara cell protein 16 (CC16) level in patients undergoing gynecological laparoscopic surgery.Methods:The clinical data of 80 gynecological patients who underwent laparoscopic surgery in Yancheng City Jianhu County People′s Hospital from October 2018 to December 2020 were randomly divided into group A and group B by random number table, each group with 40 cases. The patients in group A were treated with intermittent positive-pressure ventilation, and the patients in group B were ventilated with whole course ventilation mode. The pulmonary ventilation function, CC16 level and postoperative pulmonary complications were observed before anesthesia, 10 min of pneumoperitoneum, 30 min of pneumoperitoneum, 5 min of pneumoperitoneum stop and 2 h after operation. The patients were divided into groups according to whether with pulmonary complications, and their pulmonary ventilation function and serum CC16 level were compared. The predictive value of the above indexes for pulmonary complications was analyzed by receiver operating characteristic (ROC) curve.Results:Repeated measurement analysis of variance showed that alveolar arterial oxygen differential pressure (PA-aDO 2) were significant differences in time point factors, time point interaction factors and group factors ( P<0.05); CC16 index were significant differences in time point factor and group factor ( P<0.05). According to the observation from postoperative to discharge, 4 patients (10.0%) in group A had pulmonary complications, 15 cases (37.5%) had pulmonary complications in group B, the levels of PA-aDO 2 and CC16 in patients with complications were significantly higher than those in patients without complications: group A:(332.9 ± 2.0) mmHg (1 mmHg = 0.133 kPa) vs. (290.4 ± 13.2) mmHg, (53.5 ± 1.5) μg/L vs. (39.5 ± 6.5) μg/L; group B: (339.1 ± 8.8) mmHg vs. (305.7 ± 17.9) mmHg, (41.5 ± 4.2) μg/L vs. (39.7 ± 5.8) μg/L, there were statistical differences ( P<0.05). ROC curve analysis showed that the area under the curve(AUC) of PA-aDO 2 and CC16 in predicting pulmonary complications in group A were 0.882 and 0.833, in group B was 0.885 and 0.731. Conclusions:Lung protective ventilation has little effect on lung ventilation function and serum CC16 in patients with gynecological laparoscopic surgery, and the probability of pulmonary complications is lower. The pulmonary ventilation function and CC16 have certain value in predicting postoperative pulmonary complications.
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Abstract@#Female stress urinary incontinence (SUI) is a major global public health problem, and its involuntary urinary leakage may seriously affect patients' quality of life. The pathophysiological changes in muscle, connective and nerve tissues induced by diabetes have been found to be strongly correlated with the development and progression of SUI. This review summarizes the association between diabetes and SUI in women and the underlying pathophysiological mechanisms, so as to provide insights into prevention of SUI among female patients with diabetes.
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c-Myc protein encoded by c-Myc (cellular-myelocytomatosis viral oncogene) gene regulates the related gene expression through the Wnt/β-catenin signaling pathway, and has received extensive attention in recent years. The purpose of this study was to express Helicoverpa armigera c-Myc gene (Ha-c-Myc) by using prokaryotic expression system, prepare the polyclonal antibody, examine the spatio-temporal expression profile of Ha-c-Myc, and investigate the possible function of Ha-c-Myc in regulating H. armigera sterol carrier protein-2 (SCP-2) gene expression. The Ha-c-Myc gene was amplified by PCR and cloned into a prokaryotic expression plasmid pET-32a(+). The recombinant plasmid pET-32a-Ha-c-Myc was transformed into Escherichia coli BL21. IPTG was used to induce the expression of the recombinant protein. Protein was purified by Ni2+-NTA column and used to immunize New Zealand rabbits for preparing the polyclonal antibody. The Ha-c-Myc expression levels in different developmental stages (egg, larva, prepupa, pupa, and adult) of H. armigera and different tissues (midgut, fat body, head, and epidermis) of the prepupa were determined by real-time quantitative reverse transcription PCR (qRT-PCR). Ha-c-Myc siRNA was synthesized and transfected into H. armigera Ha cells. The relative mRNA levels of Ha-c-Myc and HaSCP-2 in Ha cells were detected by qRT-PCR. Results showed that the pET-32a-Ha-c-Myc recombinant plasmid was constructed. The soluble Ha-c-Myc protein of about 65 kDa was expressed in E. coli. The polyclonal antibody was prepared. Western blotting analysis suggested that the antibody had high specificity. Enzyme linked immunosorbent assay (ELISA) showed that the titer of the antibody was high. Ha-c-Myc gene expressed at all developmental stages, with high levels in the early and late instars of larva, and the prepupal stage. Tissue expression profiles revealed that Ha-c-Myc expressed in various tissues of prepupa, with high expression level in the midgut, but low levels in the epidermis and fat body. RNAi results showed that the knockdown of Ha-c-Myc expression significantly affected transcription of HaSCP-2, leading to a 50% reduction in HaSCP-2 mRNA expression level. In conclusion, the Ha-c-Myc was expressed through a prokaryotic expression system, and the polyclonal anti-Ha-c-Myc antibody was obtained. Ha-c-Myc may promote the expression of HaSCP-2 and play an important role in the lipid metabolism of H. armigera. These results may facilitate further study on the potential role and function mechanism of Ha-c-Myc in H. armigera and provide experimental data for exploring new targets of green pesticides.
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Animals , Rabbits , Escherichia coli/metabolism , Enzyme-Linked Immunosorbent Assay , Moths/genetics , Blotting, Western , Larva/genetics , Isoantibodies/metabolism , Antibody SpecificityABSTRACT
Objective:To study the effect of knowledge tree combined with problem-based learning (PBL) in the practice teaching of anesthesiology under the concept of multi-disciplinary team (MDT).Methods:A total of 60 students who practiced in the Department of Anesthesiology in Jiangsu Province Hospital from January 2019 to June 2019 were taken as the control group, and the traditional teaching was adopted; another 60 students who practiced from July 2019 to December 2019 were taken as the research group, and the knowledge tree combined with PBL under the MDT concept was conducted for the teaching. The two groups' test scores, clinical abilities and teaching satisfaction were compared between the two groups. SPSS 26.0 was used for t-test, Chi-square test and rank-sum test. Results:After the internship, the test scores of the students in the research group were higher than those in the control group ( P < 0.05); the clinical ability of the two groups were both improved compared to before the training, and the research group was superior to the control group ( P < 0.05); the satisfaction rate of internship students in the research group was 93.33% (56/60), which was higher than 75.00% (45/60) in the control group. Conclusion:The application of knowledge tree and PBL under the MDT concept in the practice teaching of anesthesiology can improve the performance of the intern students, and effectively improve the self-learning ability, communication and expression ability and teamwork ability of the interns, with obvious practice effect.
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Objective:To investigate the key mechanism of transforming growth factor-β (TGF-β) inducing the expression of interleukin-17D (IL-17D) in lung cancer-associated fibroblast (CAF) and promoting the recruitment of myeloid-derived suppressor cells (MDSCs).Methods:C57BL/6 mice were established for B16 lung melanoma metastasis model (tumor model group), and control group was set up, 6 mice in each group. Flow cytometry (FACS) was used to detect the lung CAF and the changes of its ability to secrete IL-17D and the proportion of MDSCs in tumor mice. The changes of TGF-β level in lung tumor were examined by ELISA and quantitative real-time PCR (RT-qPCR). Lung fibroblasts were screened by FACS, and the effects of TGF-β on the secretion of IL-17D, C-C motif chemokine ligand (CCL)2 and CCL7 in fibroblasts were detected by RT-PCR. The migration of MDSCs under the condition of TGF-β stimulating fibroblasts was detected by Transwell.Results:The proportion of CAF (CD45 -CD326 -CD31 -) in the tumor model group was higher than that in the control group [(28.02±2.23)% vs. (7.35±2.14)%, t=9.956, P<0.001]. The ability of CAF to secrete IL-17D in the tumor model group was significantly higher than that in the control group [(38.27±2.93)% vs. (19.04±3.16)%, t=5.995, P=0.001]. The proportion of MDSCs in the tumor model group was significantly higher than that in the control group [(12.93±1.27)% vs. (8.21±1.40)%, t=4.804, P=0.009]. Compared with the control group, the protein and transcription levels of TGF-β in lung of the tumor model group were significantly increased [(1 685.07±135.61) ng/L vs. (1 047.98±68.50) ng/L, t=5.051, P=0.002; 2.17±0.03 vs. 1.00±0.05, t=51.237, P<0.001]. In vitro, lung fibroblasts were stimulated with different concentrations of TGF-β (0, 5 and 10 μg/L) for 24 hours, the relative expressions of IL-17D mRNA secreted by stimulated fibroblasts were 0.42±0.01, 0.67±0.01 and 0.84±0.04 respectively, the relative expressions of CCL2 mRNA in each group were 0.89±0.08, 1.08±0.04, 1.19±0.01 and CCL7 were 0.53±0.05, 0.65±0.04, 0.74±0.03 respectively. With the increase of TGF-β concentration, the expression levels of IL-17D, CCL2 and CCL7 in fibroblasts were significantly increased ( F=57.384, P<0.001; F=15.802, P=0.004; F=14.544, P=0.005). In addition, compared with the control group (0 μg/L TGF-β), fibroblasts treated with 10 μg/L TGF-β for 24 hours could promote the migration of MDSCs in spleen of tumor mice [(9.59±0.21)% vs. (2.14±0.24)%, t=6.585, P<0.001]. Conclusion:TGF-β can induce high expression of IL-17D in lung CAF, which is an important factor in promoting the expressions of CCL2 and CCL7 and the migration of MDSCs in tumor microenvironment.
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Objective@#To simplify the psychological domain of Multidimensional Sub-health Questionnaire of Adolescents (MSQA),which includes 39 items and develop the Brief Instrument On Psychological Health of Youths(BIOPHY), as well as to evaluate the predictive validity of the BIOPHY.@*Methods@#A total of 14 221 students were recruited from Shenyang,Xinxiang,Guangzhou,and Chongqing by using multistage stratified cluster random sampling to participate in the study. A combination of item analysis,factor analysis and reliability evaluation were used to screen items and evaluate the questionnaire. Meantime, data from 14 500 adolescents from Shenzhen,Nanchang,Zhengzhou and Guiyang in 2017 were used to develop a cut-off point and to evaluate its predictive validity.@*Results@#On the basis of item analysis,BIOPHY consisted of 15 items. Variance cumulative contribution rate was 57.39%; internal consistency test showed that the total questionnaire Cronbach α coefficient was 0.928. The split-half coefficient of the total questionnaire was 0.909. The 90th percentile of total scores was used as the cutoff point of BIOPHY. The results of multivariate logistic regression analysis showed that students with psychological health symptoms were at significantly higher risk of depressive symptoms (OR=10.53,95%CI=9.28-11.94),suicide ideations (OR=5.77,95%CI=5.15-6.46),suicide plans (OR=6.09,95%CI=5.39-6.89) and suicide attempts (OR=4.80,95%CI=4.04-5.69) than normal counterparts.@*Conclusion@#The BIOPHY is consistent with the evaluation standard of psychometrics. The predictive validity of BIOPHY is good and could be used in the future researches focusing on adolescent mental health.
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Objective To evaluate the effect of Sacubitril/Valsartan for alleviating chronic heart failure(CHF)in elderly patients after acute myocardial infarction(AMI).Methods A total of 87 elderly patients with AMI-induced CHF treated in Heze Shili Hospital from October 2017 to August 2018 were enrolled and randomly divided into the experimental group(n=42)and the control group(n =45).All patients were given standard AMI treatments,and patients in the experimental group were given Sacubitril/Valsartan (100 mg bid)while those in the control group received Valsartan (80 mg qd).After a follow-up of 12 months,levels of N-terminal pro-brain natriuretic peptide(NT-proBNP),left ventricular end-diastolic diameter(LVDd),left ventricular ejection fraction(LVEF),rates of rehospitalization for heart failure and all-cause mortality were compared between the two groups.Results Among the 87 patients,51 patients(58.6％)were male and 36 were female,with an averageage of(67.4 ± 4.0) years.After 12-months of treatment,patients in the experimental group were associated with significantly lower levels of LVDd[(47.86±3.86)mm vs.(50.73±4.39)mm,P＜0.05]and NT-proBNP [(793.43 ± 335.43) ng/L vs.(1 068.44 ± 344.46) ng/L,P ＜ 0.05] and higher levels of LVEF[(53.74 ± 4.08) ％ vs.(44.42 ± 7.41) ％,P ＜ 0.05] than those in the control group.Moreover,the rehospitalization rate for heart failure was markedly higher in the control group than that in the experimental group[15(33.3％)vs.5(11.9％),P＜0.05],while the rate of all-cause mortality was similar between the two groups[2 (4.8％)vs.3(6.7％),P =0.703].Conclusions Compared with Valsartan,Sacubitril/Valsartan can reduce the incidence of CHF after AMI,improve left ventricular function,and reduce the rehospitalization rate due to CHF in elderly patients.
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Objective@#To evaluate the effect of Sacubitril/Valsartan for alleviating chronic heart failure(CHF)in elderly patients after acute myocardial infarction(AMI).@*Methods@#A total of 87 elderly patients with AMI-induced CHF treated in Heze Shili Hospital from October 2017 to August 2018 were enrolled and randomly divided into the experimental group(n=42)and the control group(n=45). All patients were given standard AMI treatments, and patients in the experimental group were given Sacubitril/Valsartan(100 mg bid)while those in the control group received Valsartan(80 mg qd). After a follow-up of 12 months, levels of N-terminal pro-brain natriuretic peptide(NT-proBNP), left ventricular end-diastolic diameter(LVDd), left ventricular ejection fraction(LVEF), rates of rehospitalization for heart failure and all-cause mortality were compared between the two groups.@*Results@#Among the 87 patients, 51 patients(58.6%)were male and 36 were female, with an averageage of(67.4±4.0)years.After 12-months of treatment, patients in the experimental group were associated with significantly lower levels of LVDd[(47.86±3.86)mm vs.(50.73±4.39)mm, P<0.05]and NT-proBNP[(793.43±335.43)ng/L vs.(1 068.44±344.46)ng/L, P<0.05]and higher levels of LVEF[(53.74±4.08)% vs.(44.42±7.41)%, P<0.05]than those in the control group.Moreover, the rehospitalization rate for heart failure was markedly higher in the control group than that in the experimental group[15(33.3%)vs.5(11.9%), P<0.05], while the rate of all-cause mortality was similar between the two groups[2(4.8%)vs.3(6.7%), P=0.703].@*Conclusions@#Compared with Valsartan, Sacubitril/Valsartan can reduce the incidence of CHF after AMI, improve left ventricular function, and reduce the rehospitalization rate due to CHF in elderly patients.
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Objective: To investigate the correlation of the combination of preoperative platelet and red blood cell distribution width (COP-RDW) with the prognosis of patients with non-small cell lung cancer (NSCLC). Methods: The clinical data of 495 patients with NSCLC who underwent radical resection surgery in Tianjin Medical University Cancer Institute and Hospital from 2004 to 2008 were collected. The optimal cut-off values of preoperative platelet (PLT) and red blood cell volume distribution width (RDW) were calculated using the receiver operating characteristic (ROC) curve. Based on the cut-off point, all of the cases were further categorized into three groups according to the COP-RDW scores of 0, 1 and 2. The relationship between the clinicopathological factors and COP-RDW scores were analyzed by χ2 test or Fisher’s exact test. The survival rate curves were drawn using Kaplan-Meier method, and the differences of the survival curves were compared by log-rank test. Univariate and multivariate COX regression analyses were performed to analyze the prognostic variables. R esults: ROC analysis showed that the optimal cut-off points of PLT and RDW were 253×109/L and 12.95%, respectively. Kaplan-Meier analysis displayed significant differences among the different COP-RDW score groups. The 5-year overall survival (OS) rates of patients with COP-RDW scores of 0, 1, and 3 were 60.7%, 48.7% and 34.3%, respectively (P < 0.001). The 5-year disease-free survival (DFS) rates in the three groups were 62.5%, 45.8% and 28.9%, respectively (P < 0.001). In the subgroup analyses of the pathological stages, COP-RDW score was correlated with 5-year OS rates and 5-year DFS rates of patients at stage I-III. Multivariate analysis demonstrated that the pathological stage and COP-RDW score were independent risk factors for the prognosis of NSCLC patients (both P < 0.001). Conclusion: COP-RDW score represents a negative independent prognostic indicator in NSCLC patients, may become a useful marker to predict the prognosis of patients with early-stage NSCLC.
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Objective: To investigate the expression of glycosyltransferase enzyme 3 (GCNT3) in non-small cell lung cancer (NSCLC) tis-sues and corresponding normal tissues, and to further explore the relationship between GCNT3 expression and clinicopathological fea-tures, overall survival (OS), and progression-free survival (PFS) in patients with NSCLC. Methods: In this study, we used quantitative re-al-time polymerase chain reaction and Western blot to assess the mRNA and protein expression of GCNT3 in paired NSCLC and non-tu-mor tissues. In addition, 164 NSCLC patients were estimated for GCNT3 expression by immunohistochemistry, and the correlation be-tween GCNT3 expression and clinicopathological features was evaluated. Further, the effects of GCNT3 on the proliferation, invasion, and migration abilities of NSCLC cells were studied. Results: The mRNA and protein expression levels of GCNT3 in NSCLC tissues were both significantly higher than those in the corresponding non-tumor tissues. Among the 164 patients with NSCLC, high GCNT3 expres-sion was associated with gender, smoking, histology, pathological stage, and lymph node metastasis. Kaplan-Meier analysis displayed significant differences in OS and PFS among the groups exhibiting differences in GCNT3 expression (P<0.05). The NSCLC patients with increased GCNT3 expression showed poor OS and PFS. A multivariate analysis demonstrated that GCNT3 expression was as an inde-pendent prognostic factor for NSCLC (P<0.05). Cell function experiments showed that the proliferation, invasion, and migration abili-ties of NSCLC cells were significantly attenuated after inhibition of GCNT3 expression (P<0.05). Conclusions: High expression of GCNT3 was associated with unfavorable OS and PFS in patients with NSCLC; GCNT3 might, therefore, act as a prognostic biomarker for NSCLC.
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@#PAK1 plays an important role in the development of tumors. It is of great significance to screen and develop new PAK1 inhibitors as targeted drugs for cancer treatment. The traditional PAK1 inhibitor screening method has the problems of high cost and low efficiency. Computer virtual screening can reduce the cost of finding active lead compounds and improve the screening efficiency. In this study, a kind of PAK1 candidate compound was screened by computer assisted virtual screening combined with Z′lyteTM high flux kinase screen. In vitro enzyme activity screening showed that compound 18(K788)had good PAK1 inhibitory activity(inhibition rate was 42. 7%). Furtherly by MTT detection, it was found that K788 had significant PAK1 positive tumor killing activity, which was even better than the positive drug IPA-3. Flow cytometry and Western Blot showed that K788 could activate caspase apoptosis pathway and induce apoptosis of colon cancer cell DLD-1 by inhibiting PAK1 expression and activation. K788 has great potential for clinical development and application, and can be used as a PAK1 target for further research.
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Objective To analyze the death status of children ≤ 5 years old in Jiaxing City from 2013 to 2017,and to provide scientific and effective measures of decreasing the children mortality and ensuring the health of children.Methods Death surveillance data of children ≤5 years old was obtained from monitoring network covering the whole city of maternal and child health information systems and the relevant maternal and child health statistics.The mortality rate,the sequence and changing trend of main death causes,prenatal health services of children ≤5 years old in Jiaxing City from 2013 to 2017were analyzed.Results From 2013 to 2017,there were 2 788 cases death of children ≤5 years old in Jiaxing City.The neonatal mortality rate (NMR),infant mortality rate (IMR),≤5 years old children mortality rate(U5MR) in Jiaxing City were 2.33‰,3.52‰ and 4.83 ‰,respectively.The mortality rates of all ages showed a declining trend year by year (x2NMR =19.641,P＜0.001;x2IMR =31.705,P ＜0.001;x2U5MR =48.294,P ＜0.001).There were significant differences in the mortality between the lower local and the migrant children (x22013 =26.16,x22014 =18.45,x22015 =27.72,x22016 =14.49,x22017=24.19;P＜0.001).The top two causes of death in children ≤ 5 years old were drowning,premature birth and low birth weight.The top two causes of death in infants and newborns were premature birth,low birth weight and other congenital anomalies.In the recent five years,49.60％ of children ≤5 years old died in the hospital.At the same time,the proportion of deaths on the way and at home was 15.64％ and 34.76％ respectively.Although there was a gap in the level of prenatal health services between local and mobile children,the gap has been declining year by year.Conclusions The key measures to decrease the mortality rate of children under 5 years old in Jiaxing City include strengthening the management of pregnancy care and high-risk pregnancy;paying attention to tertiary prevention and doing a good job in monitoring birth defects such as prenatal screening;enhancing safety education and child supervision for parents of children in 1-4 years old;reinforcing the construction of maternal and child health professional team and the technical training of newborn resuscitation techniques such as neonatal asphyxia recovery technology;intensifying the health-care and management of migrant children and improving the ability of parents to utilize child medical service.
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Objective@#To analyze the expression and prognostic significance of esophageal squamous cell carcinoma associated long non-coding RNA-1 (ESCCAL-1) in esophageal squamous cell carcinoma (ESCC) tissues. @*Methods@#From August 2011 to May 2013, 73 patients with ESCC, who received radical resection in The First Affiliated Hospital of Zhengzhou University and Henan Cancer Hospital, were enrolled. The expressions of ESCCAL-1 in esophageal tumor tissues and corresponding adjacent non-tumor tissues were detected by quantitative real-time polymerase chain reaction (qRT-PCR). T test, chi square test and multivariate analysis were performed for statistical analysis. @*Results@#The expression of ESCCAL-1 was 28.03±9.37 in esophageal tumor tissues of patients with ESCC, which was higher than that in corresponding adjacent normal tissues (11.39±4.15), and the difference was statistically significant (t=2.964, P<0.01). However there were no statistically significant differences in the expressions of ESCCAL-1 among the patients with different age, gender, histological grade, classification of Union for International Cancer Control (UICC), T stage or lymph nodes metastasis (all P>0.05). The median disease-free survival (DFS) time and overall survival (OS) time of patients with low ESCCAL-1 expression were 39 months and 42 months, respectively, which were longer than those of patients with high ESCCAL-1 expression (30 months and 37 months), and the differences were statistically significant (χ2=9.049, P=0.003; χ2=10.165, P=0.001). The results of multivariate analysis showed that ESCCAL-1 expression was the independent risk factor of DFS and OS (high risk (HR)=2.45, 95% confidence interval (CI) 1.22 to 4.93, P=0.012; HR=2.29, 95%CI 1.14 to 4.59, P=0.019). @*Conclusions@#ESCCAL-1 may be involved the genesis and development of ESCC. The expression of ESCCAL-1 in esophageal tumor tissues may be a prognostic parameter for patients with ESCC receiving radical resection.
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Gene engineering has attracted worldwide attention because of its ability of precise location of disease mutations in genome. As a new gene editing technology, clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated 9 (Cas9) system is simple, fast, and accurate to operate at a specific gene site. It overcomes the long-standing problem of conventional operation. At the same time, stem cells are a good foundation for establishing disease model in vitro. Therefore, it has great significance to combine stem cells with the rapidly developing gene manipulation techniques. In this review, we mainly focus on the mechanism of CRISPR/Cas9 technology and its application in stem cell genomic editing, so as to pave the way for promoting rapid application and development of CRISPR/Cas9 technology.
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Objective@#To explore the expression of long noncoding RNA (lncRNA) HOXA11-AS in esophageal squamous cell carcinoma tissues and the relationship of HOXA11-AS level with clinical outcomes.@*Methods@#Quantitative real-time polymerase chain reaction (qRT-PCR) was applied to detect the expression level of HOXA11-AS in cell lines HET-1A, EC9706, EC109, and in tumor tissue and paired adjacent tissue samples from 73 ESCC patients who received surgical resection.The correlations of the expression level of HOXA11-AS with clinicopathological features and prognosis were also analyzed.@*Results@#The relative expression levels of HOXA11-AS in tumor tissue and paired adjacent tissue were 0.832±0.387 and 2.486±1.087, respectively, with significant difference (P<0.001). The expression of HOXA11-AS was upregulated in 63.0%(46/73)ESCC tissues. The relative expression levels of HOXA11-AS in HET-1A, EC-9706 and EC-109 cells were 1.000, 23.553±3.221 and 17.217±1.968, respectively. The expression level of HOXA11-AS was upregulated in ESCC cell lines (P<0.001). High expression level of HOXA11-AS was correlated with histological grade and lymph node metastasis of ESCC patients (P<0.05). However, it was not associated with the age, gender, depth of infiltration and TNM staging (P>0.05). The median overall survival (OS) and median disease-free survival (DFS) of patients with low HOXA11-AS expression were 43 months and 42 months, respectively, significantly longer than 37 months and 28 months of patients with HOXA11-AS high expression (P<0.05). Cox model multivariate analysis showed that the expression of HOXA11-AS and lymph node metastasis were independent factors of poor prognosis of ESCC patients.@*Conclusions@#The expression of HOXA11-AS is upregulated in esophageal cancer cell lines and tissues. High expression of HOXA11-AS is associated with poor prognosis of ESCC patients.Therefore, LncRNA HOXA11-AS may serve as a predictive marker of postoperative ESCC patients.
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In order to conduct the visualized research of cellular pyruvic acid(PA),several rhodamine-based probes were designed to react with PA by a Schiff-base reaction in aqueous media and exhibit strong fluorescence emission and a pink color owing to the ring-opening of the corresponding spirolactam.The results showed that R6G-NH2had a highest sensitive response to PA with a linearly relationship between the enhancement of fluores-cence intensity at 565 nm and the concentration of PA from 0.2 μmol/L to 120 μmol/L.According to the princi-ple of 3σ,a limit of detection was obtained as low as 0.1 μmol/L.Furthermore,the response of R6G-NH2to PA was hardly affected by conventional biomolecules and ionic species.Therefore,R6G-NH2was successfully used in fluorescence imaging of exogenous PA in non-small cell lung cancer cell A549 and renal epithelial cell 293T,and endogenous PA induced by bisphenol A in epithelial cell 293T.
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Objective To expore the correlation between resting heart rate(RHR)and carotid atheroscle-rosis in middle-aged and elderly hypertention. Methods A total of 1043 middle-aged and elderly essential hyper-tention were selected and divided into 3 groups according to the RHR:< 70(Group A,n = 406),70～79(Group B,n=364),and≥80 beats/min(Group C,n=273). The patients′fasting blood-glucose(FBG),blood lipids, homocysteine (Hcy) and serum creatinine (SCr) levels were measured. Carotid artery intima-media thickness (CAIMT) and carotid artery diameter (CADIA) were measured by ultra-sonography ,and carotid artery plaques were investigated. Bi-variate correlation analysis was adopted to analyze the correlation between RHR and CAIMT , CADIA. Logistic regression analysis was employed to analyze the influential factors in carotid artery plaques. Mean-while,sub-group analysis of different ages was performed. Results The detection rates of carotid artery plaques in the Group A,B and C were 59.1％,63.7％and 69.6％respectively. Differences in detection rates of carotid artery plaques among 3 groups showed statistical significance(P<0.05). RHR(OR 1.165,95％CI 1.094～1.482,P=0.037) was a risk factor of carotid artery plaques. Significant positive correlations were found between RHR and CAIMT ,CADIA (r = 0.115 ,0.123;P = 0.005 ,0.003). Conclusions RHR was closely related with carotid artery plaques,CAIMT,and CADIA in middle-aged and elderly hypertention. RHR can be recognized as a predic-tive factor of carotid atherosclerosis in middle-aged and elderly hypertention.
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Objective:To investigate the effects of exposure to ambient particulate matter (PM) and polycyclic aromatic hydrocarbons (PAHs) on systemic oxidative stress biomarkers in chronic obstructive pulmonary disease (COPD) patients.Methods: A panel of forty-five diagnosed and stable COPD patients, whose residences were within 5 kilometers from Peking University Health Science Center (PKUHSC), were recruited and followed up twice between November 2014 and May 2015.The lung function index percentage of forced expiratory volume in 1 second (FEV1) to predicted value (FEV1%pred), was measured to reflect the severity of COPD patients.The systemic oxidative stress biomarkers malondialdehyde (MDA) and 8-hydroxy-2′-deoxyguanosine (8-OHdG) in their urine samples were measured using high performance liquid chromatography (HPLC) and enzyme-linked immunosorbent assay (ELISA), respectively.Concentrations of ambient air pollutants and levels of meteorological factors were measured continuously through the air pollution-monitoring station located in PKUHSC.PM2.5 samples, which were used for measuring the concentrations of PAHs, were collected by PM2.5 high volume air sampler.We constructed linear mixed-effects models, including single-pollutant model, 2-pollutant models and stratification analysis, to estimate the effects of air pollutants on urinary MDA and 8-OHdG after adjusting for confounding factors.Results: In our COPD-patient panel, the associations between ultrafine particles (UFP) and PAHs and urinary MDA were statistically significant at lag2 (P<0.05).For an interquartile range (IQR) increase in UFP and PAHs, respective increases of 28% (95%CI: 4%-57%) and 36% (95%CI: 4%-77%) in urinary MDA were observed, and the effects became stronger after adjusting for the concentration of black carbon (BC).The COPD patients were divided into 2 groups stratified by FEV1%pred.Most air pollutants had stronger effects of systemic oxidative stress in the COPD patients of FEV1%pred≥50%.In this group, we observed that an IQR increase in UFP was associated with a 98% (95%CI: 38%-186%) increase in urinary MDA, and an IQR increase in BC, UFP and PAHs were associated with respective increases of 87% (95%CI: 32%-166%), 69% (95%CI: 24%-130%) and 156% (95%CI: 66%-294%) in urinary 8-OHdG.We didn't find significant associations between fine particulate matter (PM2.5) and urinary oxidative stress biomarkers.Conclusion: Our results suggested that exposure to air pollutants, especially UFP and PAHs, was responsible for exacerbation of systemic oxidative stress in COPD patients.Most air pollutants had stronger effects of systemic oxidative stress in mild to moderate COPD patients.
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Objective To investigate the prevalence and the related factors of female breast disease in Zhengzhou City, Henan Province, and to provide a targeted prevention guide for female breast disease. Methods A total of 6310 women were enrolled in this study. In addition to breast ultrasound, mammography and pathology assays were performed. Finally, the prevalence and influencing factors for female breast disease were analyzed. Results The prevalence of breast cancer and the total prevalence of breast diseases was 0.06% and 24.94%, respectively. The prevalence of female breast diseases was significantly correlated to age, educational level, occupa-tion, menstruation, reproductive age and a history of abortion. Logistic regression analysis showed that the occupa-tional type had a significant effect on the prevalence of female breast. Conclusion The prevalence of female breast disease is relatively high in Zhengzhou City, and it is affected by many factors. The targeted surveys and breast dis-ease screening should be conducted, and the secondary prevention of female breast disease should be strengthened.
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Objective To expore the correlation between resting heart rate(RHR)and carotid atheroscle-rosis in middle-aged and elderly hypertention. Methods A total of 1043 middle-aged and elderly essential hyper-tention were selected and divided into 3 groups according to the RHR:< 70(Group A,n = 406),70～79(Group B,n=364),and≥80 beats/min(Group C,n=273). The patients′fasting blood-glucose(FBG),blood lipids, homocysteine (Hcy) and serum creatinine (SCr) levels were measured. Carotid artery intima-media thickness (CAIMT) and carotid artery diameter (CADIA) were measured by ultra-sonography ,and carotid artery plaques were investigated. Bi-variate correlation analysis was adopted to analyze the correlation between RHR and CAIMT , CADIA. Logistic regression analysis was employed to analyze the influential factors in carotid artery plaques. Mean-while,sub-group analysis of different ages was performed. Results The detection rates of carotid artery plaques in the Group A,B and C were 59.1％,63.7％and 69.6％respectively. Differences in detection rates of carotid artery plaques among 3 groups showed statistical significance(P<0.05). RHR(OR 1.165,95％CI 1.094～1.482,P=0.037) was a risk factor of carotid artery plaques. Significant positive correlations were found between RHR and CAIMT ,CADIA (r = 0.115 ,0.123;P = 0.005 ,0.003). Conclusions RHR was closely related with carotid artery plaques,CAIMT,and CADIA in middle-aged and elderly hypertention. RHR can be recognized as a predic-tive factor of carotid atherosclerosis in middle-aged and elderly hypertention.