Objective To investigate the changes of body weight and metabolism related indexes after risperidone treatment in schizophrenia and to analyze the relationship of leptin gene 2548G/A polymorphism and polymorphism of ghrelin gene leucine 72 methionine (Leu72Met) with changes in body weight and metabolism related indicators. Methods Sixty-eight patients with schizophrenia were treated with risperidone monotherapy for 10 weeks. The metabolic indexes including body mass index (BMI), waist circumference, fasting blood glucose and blood lipid levels were measured at 4 and 10 weeks after treatment. Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) technique was used to detect the polymorphisms of leptin gene and ghrelin gene. Results The patients' body weight, blood glucose and blood lipids were significantly increased during treatment (P<0.05). The ghrelin gene Leu72Met polymorphism was associated with changes in blood glucose (F=4.269, P=0.042), and the Leu72 allele carrier had a higher fasting blood glucose level. The polymorphisms of leptin gene and two genes were not related to changes in body weight or metabolic indexes (P> 0.05). Conclusion During the acute phase of risperidone treatment, patients may have different levels of body weight, blood glucose and blood lipid. The ghrelin gene Leu72 allele may be a risk factor for hyperglycemia in patients with schizophrenia treated with risperidone.

Objective To compare the performance of four commercial anti-dsDNA antibody assays,i.e,BioPlex 2200 (BioPlex),Farr radioimmunoassay (Farr),MESACUP DNA-Ⅱ TEST ds [MBL-enzyme linked immunosorbent assay (ELISA)] and Anti-dsDNA-NcX ELISA (IgG) (EURO-ELISA),Antoantibodies Profile Assay Kit (HOB-Chemiluminescent Immunoassay) in disease activity assessment of systemic lupus erythematosus (SLE).Methods SLE patients (n=119) as well as healthy controls (n=200) and disease controls (n=100) were recruited and their serum anti-dsDNA antibodies were detected by BioPlex,Farr,MBL-ELISA,EURO-ELISA,and a standard Crithidia luciliae indirect immunofluorescence test (CLIFT).The consistency between above four methods to CLIFT was analyzed.The correlation of anti-dsDNA antibody level of these four methods to SLE disease activity was assessed.All data analyses were performed with Statistical product and service solutions (SPSS) 16.0 (SPSS.Inc) and GraphPad Prism 4.0.3 (GraphPad).Unless otherwise specified,all data in this study were expressed as mean±standard deviation.Cut-off values of the anti-dsDNA quantification methods were set by the manufacturers.Chi square and kappa coefficients were adopted to assess the agreement determination and correlation analysis between anti-dsDNA level and SLE disease activity (SLEDAI).Receiver-operator characteristic (ROC) curve analysis was used to compare the specificity and sensitivity of the anti-dsDNA assays.Student's t test was adopted for the comparison of anti-dsDNA levels by different methods between SLE and SLE+LN groups.A p value small than 0.05 was considered statistically significant.Results Using cut-off values set by the manufacturers,BioPlex demonstrated the highest overall agreement with CLIFT,while MBL-ELISA and EURO-ELISA showed the highest positive agreement with CLIFT.Disease activity correlation analysis showed that SLEDAI score correlated poorly with anti-dsDNA level in Farr assay,but strongly with the other three assays.Bioplex had a better performance in terms of SLE activity index corelation (r=0.297 6,P=0.001 2).Moreover,anti-dsDNA level differed in SLE patients with renal lupus nephritis in BioPlex assay (P=0.026 8),but not in the other assays.In ROC curve analysis,BioPlex showed the largest area under the curve (AUC) over other assays.Conclusion Bio Plex assay has better sensitivity and specificity than Farr,MBL-ELISA and EURO-ELISA and correlates well with SLE disease activity.

AIM: To look for harmfulless anti-leukemia drug with selective high performance, lethal effect of small hairpin RNA (shRNA) on VEGFR2 gene expression of tumor cell line HL60 in vitro.METHODS: The most effective VEGFR2 siRNA was designed and screened. The shRNA oligo was designed and pU6/VEGFR2 entry clone was constructed. HL60 was transfected transiently and vascular endothelial growth factor receptor 2(VEGFR2) expression was tested with MTT assay, RT-PCR and Western blotting. The expression clone was constructed and cotransfected with ViraPowerTM Packaging Mix into 293FTTM cells to produce Lentiviral vectors harboring Lenti6/shVEGFR2. The virion supernatant was added into HL60 cells and VEGFR2 gene inhibitory effect was determined. RESULTS: The inhibitory rates of VEGFR2 siRNA c were high. VEGFR2 expression in HL60 was inhibited by using pU6/VEGFR2 entry clone constructed with shRNA and pENTRTM/U6. For HL60 cells, the inhibitory rate was 84.9%. The expression of VEGFR2 mRNA and protein decreased significantly. 48 hours after transfection of pU6/shVEGFR2 entry clone and transduction of Lenti6/shVEGFR2 expression clone, the cell inhibitory rates were similar. Cell growth inhibitory rate of entry clone descended rapidly after this time point, the expression clone changed slowly, reaching the peak at 96 hours, dropped slightly, having no significance deviation. CONCLUSION: in vitro, VEGFR2 shRNA using lentiviral vector blocks VEGF/VEGFR2 self-secretion in HL60 cells, which inhibits leukemia development.

AIM:Xaf1-Saos inducible cell lines,which contain "gene switch" system were used to detect the effect of Xaf1 on tumor necrosis factor receptor(TNFR) signal pathway and to investigate the mechanism of cooperation between Xaf1 and TNF-? in inducing cell apoptosis.METHODS:Xaf1 on TNFR1 expression was measured by RT-PCR and Western blotting.The effect of NF-?B on Xaf1 induced apoptosis was detected by DNA content flow cytometry after co-transfection.DNA binding activity of NF-?B was identified by gel mobility shift assay and transcription activity of NF-?B was analyzed by luciferase assay and RT-PCR.SAPK/JNK activity was checked by SAPK/JNK assay.RESULTS:Xaf1 did not modulate TNFR1 at protein and mRNA levels.Increased NF-?B activity in cells inhibited Xaf1 induced apoptosis.Expression of Xaf1 impaired modestly TNF-? induced NF-?B DNA binding activation and transcription activation,also modestly reduced SAPK/JNK activity.CONCLUSION:Xaf1 inhibits TNFR signal pathway,partly contributing to cooperation with TNF-? to induce apoptosis.

Objective To explore the efficiency of prophylactic intravesical chemotherapy after nephroureterectomy for primary upper tract urothelial carcinoma.Methods Forty-seven patients with primary upper tract urothelial carcinoma who underwent nephroureterectomy were retrospectively analyzed.There were 25 male and 22 female patients with mean age of 68 years.Patients were divided into intravesical chemotherapy group (n =32) and non-intravesical chemotherapy group (n =15).In the intravesical chemotherapy group, there were 14 male and 18 female patients with mean age of 70.3 years;20 cases located at left side while 12 at the right side.In non-intravesical chemotherapy group, There were 11 male and 4 female patients with mean age of 65.0 years;10 cases located at left side while 5 at the right side.The age, gender, side of the two groups were not statistical different.The two groups were followed up, and the tumor stage, grade, recurrence rate, cancer-free survival time were compared.Results The pathology results of all cases were urothelial carcinoma.In the intravesical chemotherapy group, 23 cases were high grade tumors with 9 low grade tumors.There were 15 cases of Ta-T1 stage, 8 cases of T2 stage and 9 cases of T3 stage;the tumor of 19 cases located at pelvis, 12 located at ureter, 1 located at pelvis and ureter;the mean size of the tumors was (2.75 ± 1.49) cm;8 cases were multiple while 24 were single.In the non-intravesical chemotherapy group, 12 cases were high grade tumors with 3 low grade tumors, there were 6 cases of Ta-T1 stage, 4 cases of T2 stage and 5 cases of T3 stage;the tumor of 11 cases located at pelvis, 3 located at ureter, 1 located at pelvis and ureter;the mean size of the tumors was (3.11 ± 1.48) cm;6 cases were multiple while 9 were single.The items mentioned above did not reach statistical difference between the two groups(P ＞0.05).6 patients relapsed in intravesical chemotherapy group while 7 in non-intravesical chemotherapy group.The recurrence rate of bladder cancer of intravesical chemotherapy group was lower than that of non-intravesical chemotherapy group (18.75％ vs.46.67％, χ2 =3.978, P =0.046).Compared with non-intravesical chemotherapy group, intravesical chemotherapy group had longer cancer-free survival, but it did not reach statistical difference (36.5months vs.29.6months, t =1.079, P =0.286).The age and tumor grade were risk factors of bladder cancer recurrence, meanwhile the gender, tumor side, tumor stage, voided urine cytology, tumor size, and location were not.Conclusion Prophylactic intravesical chemotherapy after nephroureterectomy for primary upper tract urothelial carcinoma could reduce the recurrence rate of bladder cancer.

Objective:To investigate the therapeutic efficacy and prognosis of multiple myeloma (MM) patients with early relapse and the influencing factors of early relapse.Methods:The clinical data of 164 patients with newly diagnosed MM admitted to Affiliated Hospital of Hebei University from January 2018 to January 2021 were retrospectively analyzed, and 53 cases (32.3%) relapsed at the end of the follow-up. According to the recurrence within 12 months or not, the patients were divided into early relapse group and advanced relapse group; the clinical characteristics, overall response rate (ORR) and overall survival (OS) of both groups were compared. Logistic regression was used to analyze if the following indexes including age, gender, albumin, lactate dehydrogenase (LDH), β 2-microglobulin (β 2-MG), hemoglobin, creatinine, serum calcium, bone marrow plasma cell ratio, extramedullary disease, high-risk fluorescent in situ hybridization (FISH) were the influencing factors of the early relapse. Based on 7 published clinical trials, simplified early relapse MM (S-ERMM) scoring system was constructed to subgroup all relapsed patients. The difference in risk stratification between early relapsed patients and advanced relapsed patients was compared. Results:The median follow-up time of 164 newly diagnosed MM patients was 26 months (12-48 months). Among 53 relapsed MM patients, 24 cases had early relapse and 29 cases had advanced relapse. The ORR of patients with early relapse was decreased compared with that of those with advanced relapse [70.8% (17/24) vs. 89.7% (26/29), χ2 = 3.04, P = 0.001]. The median OS of the early relapse group was shorter than that of the advanced relapse group (24 months vs. not reached, P < 0.001). The OS of patient in the early relapse group with the best response ≥ complete remission (CR), ≥ very good partial remission (VGPR) and ≥ partial remission (PR) during initial induction therapy was worse than that of those in the advanced relapse group, and the differences were statistically significant ( P values were 0.008, 0.011, 0.012, respectively). Multivariate Logistic regression analysis showed low albumin (<35 g/L vs. ≥35 g/L: OR = 1.644, 95% CI 1.076-2.511, P = 0.022) and high LDH (< the upper limit of normal value vs. ≥ the upper limit of normal value: OR = 0.998, 95% CI 0.985-1.011, P = 0.030) were independent influencing factors of early relapse. Among 24 early relapse patients, there were 5 cases (20.8%), 13 cases (54.2%), 6 cases (25.0%), respectively in the S-ERMM scoring system low-risk, middle-risk, high-risk groups; among 29 advanced relapse patients, there were 18 cases (62.1%),9 cases (31.0%), 2 cases (6.9%), respectively in the S-ERMM scoring system low-risk, middle-risk, high-risk groups; the difference in risk stratification of the S-ERMM scoring system between the early relapse group and the advanced relapse group was statistically significant ( χ2 = 9.09, P = 0.003). Conclusions:MM patients with early relapse have poor therapeutic efficacy and prognosis. The prognosis is not affected by the depth of remission to first-line therapy. Low albumin and high LDH may be independent risk factors of MM patients with early relapse.

Objective:To study the compliance of endoscopic screening for high-risk population of upper gastrointestinal cancer and relevant factors in urban areas of Henan Province, 2013-2017.Methods:The study participants were from the Cancer Screening Program in Urban Henan Province, China. From October 2013 to October 2017, 43 423 residents, who were evaluated as high-risk population for upper gastrointestinal cancer, were recruited from Zhengzhou, Zhumadian and Anyang. The cancer risk assessment questionnaire was used to collect basic demographic characteristics, dietary habits, living environment and habits, psychology and emotions, disease history and family history of cancer, and women's physiological and reproductive history. The data of endoscopic screening was obtained from hospitals participating in the Cancer Screening Program. Multivariate logistic regression model was applied to explore potential factors related to the compliance of endoscopic screening.Results:The age of study participants was(55.49±8.15) years old, and 44.00% (19 105) were male. About 18.41% of study subjects (7 996) took the endoscopic screening. The multivariate logistic regression analysis showed that females, individuals aged 45-64 years old, with junior high school education or above, unmarried/divorced/widowed, previous smoking, alcohol drinking, infrequent physical exercise, history of reflux esophagitis, history of superficial gastritis, history of gastric ulcer, history of duodenal ulcer, history of gastric polyps and family history of upper gastrointestinal cancer were more likely to accept endoscopic screening.Conclusion:The overall participation rate of endoscopic screening among high-risk population of upper gastrointestinal cancer was still low in urban areas of Henan Province. Gender, age, education, marital status, smoking, alcohol consumption, physical activity, history of upper gastrointestinal disease and family history of upper gastroin testinal cancer were associated with the compliance of endoscopic screening.

Objective:To evaluate the compliance rate and its impact factors of liver cancer screening for high-risk groups in urban areas of Henan Province from 2013 to 2019.Methods:Residents of 40-74 years old in 8 cities of Henan province were selected to investigate the risk factors and liver cancer risk assessment. Subjects with high risk of liver cancer received AFP combined ultrasonography for screening. Chi-square tests were used to compare the differences in liver cancer screening participation rates between groups. Multivariate logistic regression models were applied to explore the potential factors correlating to the compliance of liver cancer screening.Results:Overall, 3 6781 participants who met the inclusion criteria were included in this analysis, and 17 241 of them took the following liver cancer screening, yielding a participation rate of 46.87%. The participation rate varied greatly across cities, ranging from 62.50% to 38.59%. Moreover, the participation rate varied greatly across periods, ranging from 52.77% in 2014-2015 to 38.14% in 2013-2014. The multivariate Logistic regression analyses showed that: female, older, high education degree, cigarette and alcohol intake, infrequent physical exercise, chronic hepatitis B, chronic hepatitis C, fatty liver, gallstones and a family history of liver cancer were inclined to accept liver cancer screening ( P<0.05). Conclusions:The overall participation rate of liver cancer screening among high-risk population is less than 50% in urban areas of Henan Province. Implement of effective interventions targeting the specific high-risk populations might improve the overall compliance rate of liver cancer screening in the future.

Objective:To evaluate the compliance rate and its impact factors of liver cancer screening for high-risk groups in urban areas of Henan Province from 2013 to 2019.Methods:Residents of 40-74 years old in 8 cities of Henan province were selected to investigate the risk factors and liver cancer risk assessment. Subjects with high risk of liver cancer received AFP combined ultrasonography for screening. Chi-square tests were used to compare the differences in liver cancer screening participation rates between groups. Multivariate logistic regression models were applied to explore the potential factors correlating to the compliance of liver cancer screening.Results:Overall, 3 6781 participants who met the inclusion criteria were included in this analysis, and 17 241 of them took the following liver cancer screening, yielding a participation rate of 46.87%. The participation rate varied greatly across cities, ranging from 62.50% to 38.59%. Moreover, the participation rate varied greatly across periods, ranging from 52.77% in 2014-2015 to 38.14% in 2013-2014. The multivariate Logistic regression analyses showed that: female, older, high education degree, cigarette and alcohol intake, infrequent physical exercise, chronic hepatitis B, chronic hepatitis C, fatty liver, gallstones and a family history of liver cancer were inclined to accept liver cancer screening ( P<0.05). Conclusions:The overall participation rate of liver cancer screening among high-risk population is less than 50% in urban areas of Henan Province. Implement of effective interventions targeting the specific high-risk populations might improve the overall compliance rate of liver cancer screening in the future.

Objective:To study the compliance of endoscopic screening for high-risk population of upper gastrointestinal cancer and relevant factors in urban areas of Henan Province, 2013-2017.Methods:The study participants were from the Cancer Screening Program in Urban Henan Province, China. From October 2013 to October 2017, 43 423 residents, who were evaluated as high-risk population for upper gastrointestinal cancer, were recruited from Zhengzhou, Zhumadian and Anyang. The cancer risk assessment questionnaire was used to collect basic demographic characteristics, dietary habits, living environment and habits, psychology and emotions, disease history and family history of cancer, and women's physiological and reproductive history. The data of endoscopic screening was obtained from hospitals participating in the Cancer Screening Program. Multivariate logistic regression model was applied to explore potential factors related to the compliance of endoscopic screening.Results:The age of study participants was(55.49±8.15) years old, and 44.00% (19 105) were male. About 18.41% of study subjects (7 996) took the endoscopic screening. The multivariate logistic regression analysis showed that females, individuals aged 45-64 years old, with junior high school education or above, unmarried/divorced/widowed, previous smoking, alcohol drinking, infrequent physical exercise, history of reflux esophagitis, history of superficial gastritis, history of gastric ulcer, history of duodenal ulcer, history of gastric polyps and family history of upper gastrointestinal cancer were more likely to accept endoscopic screening.Conclusion:The overall participation rate of endoscopic screening among high-risk population of upper gastrointestinal cancer was still low in urban areas of Henan Province. Gender, age, education, marital status, smoking, alcohol consumption, physical activity, history of upper gastrointestinal disease and family history of upper gastroin testinal cancer were associated with the compliance of endoscopic screening.