AIM: To observe the effect of simvastatin on the proliferation of vascular smooth muscle cells(VSMCs) induced by serum and growth factor PDGF-BB and the effect of simvastatin on the expression of PTEN,a important regulator of G 1/S cell cycle transition. METHODS: The DNA synthesis was determined by -TdR incorporation, cell cycle was examined with flow cytometry, the protein level of PTEN was measured by Western blot method. RESULTS: (1)Simvastatin inhibited -TdR incorporation in a dose dependent manner. (2) Flow cytometric DNA analysis revealed that simvastatin induced significantly enhancement of G 0/G 1 phase and decrease in S phase VSMCs.(3)Simvastatin increased protein level of PTEN and mevalonate, a metabolite of HMG-COA, reversed the effect of simvastatin on PTEN protein expression. CONCLUSION: Simvastatin may inhibit proliferation of VSMCs and retarded cell cycle in G 0/G 1 phase by increasing PTEN expression through inhibiting synthesis of mevalonate.

AIM: Hydroxymethylglutaryl CoA (HMG-CoA) reductase inhibitors, such as simvastatin, have been shown to reduce atherosclerotic cardiovascular morbidity and mortality by mechanisms unrelated to its lipid-lowering effect. Several studies have shown that simvastatin induces apoptosis in a varieties of cell lines including vascular smooth muscle cells (VSMC). The aim of this study was to investigate the signal pathways involved in apoptosis induced by simvastatin. METHODS: Cultured VSMC were treated with simvastatin. Calpain activity was determined by measuring Ca 2+ ionophore-specific calpain substrate (suc-LLVY-AMC), caspase-3 activation was detected by Western blot, and apoptotic changes were distinguished by annexin Ⅴ binding and DNA laddering. RESULTS: After incubated with 30 ?mol/L simvastatin for 8 h, calpain activity had a marked increase ( P

To prepare monoclonal antibody of carbohydrate antigen 19-9(CA19-9).Methods: Based on the titer test results of mouse ascites and its IC 50 values ,the mouse that prepare for fusion was identified.Positive monoclonal cell strains were established by cell fusing and screening.Monoclonal antibody from ascites was produced by peritoneal injection monoclonal cell , and then purified by octoic acid-ammonium sulfate precipitation method.After determine the protein concentrations by UV-spectrophotometry ,the monoclonal antibody against CA 19-9 was labelled with horseradish peroxidase.Based on antibody pairing test , DAS-ELISA method was established .To compared with abroad kit , analyzing performance of this method.Results: Three strains of monoclonal antibody were obtained.And the optimal working concentrations of mAb (ZJY3-1G9) ,as coated antibody,McAb(ZJY2-7F10),as HRP-IgG,were assured.Limit of detection was 26.4 U/ml.Linear range was 30-300 U/ml.By detecting patients with serum 33 , confirmed the correlation coefficient of r=0.950 4 , compared with abroad kit that measure simultaneously.Conclusion:Monoclonal antibody prepared for CA 19-9 can be used to develop a kit.

OBJECTIVETo investigate the rationality of N3 classification and its sub-classification in the 7th UICC/AJCC TNM classification system.

METHODSClinicopathological data of 610 patients with stage N3 advanced gastric cancer who underwent standard D2 and D2+ radical surgery at the Department of Surgical Oncology, The First Hospital of China Medical University, from January 1980 to March 2010 were analyzed retrospectively. Patients were divided into N3a and N3b groups, and clinicopathological characteristics and prognosis were compared between N3a and N3b patients. Overall survival rate was determined using the Kaplan-Meier estimator. The log-rank test was used to identify differences between the survival curves of different groups. In multivariate analysis, Cox proportional hazard model was used to identify independent factors associated with prognosis.

RESULTSAmong 610 patients, 426 were men and 184 were women, 394 were N3a and 216 were N3b, with a mean age of(57±11) years old (range 23 to 83). A total of 19 842 lymph nodes were examined, in which 9 575 nodes were positive, with the metastatic ratio of 48.3%. The 5-year overall survival rate was 20.0%. Univariate analysis of prognostic factors suggested that tumor location (P=0.000), tumor size (P=0.003), Borrmann type (P=0.000), pathologic type (P=0.043), lymphatic vessel invasion (P=0.000), growth pattern (P=0.019), invasion depth (P=0.000), resection extent (P=0.000) and N3 sub-classification (P=0.000) were significantly associated with the prognosis of N3 patients. Further analysis showed that tumor size (P=0.028), invasion depth (P=0.000) and gastric resection extent (P=0.002) were significantly associated with the prognosis of N3a patients, while Borrmann type (P=0.034), lymphatic vessel invasion (P=0.002), invasion depth (P=0.008) and resection extent (P=0.003) were significantly associated with the prognosis of N3b patients. Multivariate analysis revealed that lymphatic vessel invasion (P=0.009), resection extent (P=0.001), invasion depth (P=0.000) and N3 sub-classification (P=0.000) were independent prognostic factors of N3 patients; resection extent (P=0.004) and invasion depth (P=0.001) were independent prognostic factors of N3a patients; lymphatic vessel invasion (P=0.006) and invasion depth (P=0.009) were independent prognostic factors of N3b patients. Comparison of 5-year survival rate revealed that there was significant difference between T2-4N3a and T2-4N3b patients (P=0.000), while there was no significant difference between T2N3a and T2N3b patients (P=0.140). On the contrary, there were significant differences between T3N3a and T3N3b patients, T4aN3a and T4aN3b patients, T4bN3a and T4bN3b patients, respectively (all P<0.05). Further comparison demonstrated that there were significant differences between T4aN3a and T4bN3a patients, T4aN3b and T4bN3b patients, respectively (P=0.000, P=0.041). Besides, there were no significant differences in 5-year survival rate between T2N3 (at present, staged as III(A), T3N3a (III(B) and T4aN3a (III(C) patients(P=0.506), and T3N3b (III(B), T4aN3b (III(C) and T4bN3a (III(C) patients(P=0.283), respectively.

CONCLUSIONSN3 sub-classification should be included in the final TNM classification system. It is suggested that T2N3, T3N3a and T4aN3a may be categorized into III(A stage, T3N3b, T4aN3b and T4bN3a may be categorized into III(B stage,T4bN3b may be categorized into III(C stage or IIII( stage.

Adult ; Aged ; Aged, 80 and over ; Female ; Gastrectomy ; Humans ; Lymph Nodes ; Lymphatic Metastasis ; Male ; Middle Aged ; Neoplasm Staging ; Prognosis ; Proportional Hazards Models ; Retrospective Studies ; Stomach Neoplasms ; classification ; Surgical Oncology ; Survival Rate ; Young Adult

Purpose: To identify the predictors of infectious disease-specific health literacy (IDSHL), and establish an easy-to-apply nomogram to predict the IDSHL of older adults. Methods: This cross-sectional study included 380 older adults who completed the IDSHL, self-rated health, socio-demographic and other questionnaires. Logistic regression was used to identify the IDSHL predictors. Nomogram was used to construct a predictive model. Results: Up to 70.1% of older adults had limited IDSHL. Age, education, place of residence, self-rated health, and Internet access were the important influencing factors of IDSHL. The established nomogram model showed high accuracy (receiver operating characteristic curve: 0.848). Conclusions The IDSHL of Chinese older adults was significantly deficient. The constructed nomogram is an intuitive tool for IDSHL prediction that can not only contribute toward rapid screening of high-risk older adults with limited IDSHL but also provide guidance for healthcare providers to develop prevention strategies for infectious diseases.

Objective To investigate the efficacy of Saccharomyces boulardii combined with ur-sodeoxycholic acid in the treating rectal ulcerative colitis(UC)and its influence on intestinal mucosal barrier function.Methods A total of 88 patients with rectal UC were randomly divided into observa-tion group and control group,with 44 cases in each group.The scores of main symptoms(abdominal pain,diarrhea,purulent stool),score of the Inflammatory Bowel Disease Questionnaire(IBDQ),lev-els of inflammatory factor indicators[interleukin-6(IL-6),interleukin-1β(IL-1β),tumor necrosis factor-α(TNF-α)]and levels of intestinal mucosal barrier function indicators[the ratio of urinary lac-tolic acid to mannitol(L/M),serum D-lactic acid(D-LA),serum diamine oxidase(DAO),and ser-um lipopolysaccharide(LPS)]were compared between the two groups before and after treatment.The incidence of adverse reactions were compared between two groups.Results After treatment,the scores of abdominal pain,diarrhea and purulent stool in both groups were significantly lower than those before treatment,while the IBDQ score was significantly higher than that before treatment,and the scores of abdominal pain,diarrhea and purulent stool in the observation group were significantly lower than those in the control group,while the IBDQ score was significantly higher than that in the control group(P＜0.05).After treatment,the levels of serum D-LA,DAO,LPS and urinary L/M in both groups reduced significantly,and the levels of these indicators in the observation group were signifi-cantly lower than those in the control group(P＜0.05).After treatment,the levels of serum IL-6,TNF-α and IL-1β in both groups reduced significantly,and the levels of these indicators in the observation group were significantly lower than those in the control group(P＜0.05).The total ef-fective rate inthe observation group was 86.36％,which was significantly higher than 68.18％in the control group(P＜0.05).There were no significant differences in incidence rates of adverse re-actions such as lower abdominal pain,allergies and refractory constipation between two groups(P＞0.05).Conclusion Saccharomyces boulardii combined with ursodeoxycholic acid is effective in the treatment of patients with rectal UC,which can effectively improve symptoms such as abdominal pain,diarrhea and purulent stool,inhibit the inflammatory response of the body,and alleviate dam-age to the intestinal mucosal barrier.

Objective To investigate the efficacy of Saccharomyces boulardii combined with ur-sodeoxycholic acid in the treating rectal ulcerative colitis(UC)and its influence on intestinal mucosal barrier function.Methods A total of 88 patients with rectal UC were randomly divided into observa-tion group and control group,with 44 cases in each group.The scores of main symptoms(abdominal pain,diarrhea,purulent stool),score of the Inflammatory Bowel Disease Questionnaire(IBDQ),lev-els of inflammatory factor indicators[interleukin-6(IL-6),interleukin-1β(IL-1β),tumor necrosis factor-α(TNF-α)]and levels of intestinal mucosal barrier function indicators[the ratio of urinary lac-tolic acid to mannitol(L/M),serum D-lactic acid(D-LA),serum diamine oxidase(DAO),and ser-um lipopolysaccharide(LPS)]were compared between the two groups before and after treatment.The incidence of adverse reactions were compared between two groups.Results After treatment,the scores of abdominal pain,diarrhea and purulent stool in both groups were significantly lower than those before treatment,while the IBDQ score was significantly higher than that before treatment,and the scores of abdominal pain,diarrhea and purulent stool in the observation group were significantly lower than those in the control group,while the IBDQ score was significantly higher than that in the control group(P＜0.05).After treatment,the levels of serum D-LA,DAO,LPS and urinary L/M in both groups reduced significantly,and the levels of these indicators in the observation group were signifi-cantly lower than those in the control group(P＜0.05).After treatment,the levels of serum IL-6,TNF-α and IL-1β in both groups reduced significantly,and the levels of these indicators in the observation group were significantly lower than those in the control group(P＜0.05).The total ef-fective rate inthe observation group was 86.36％,which was significantly higher than 68.18％in the control group(P＜0.05).There were no significant differences in incidence rates of adverse re-actions such as lower abdominal pain,allergies and refractory constipation between two groups(P＞0.05).Conclusion Saccharomyces boulardii combined with ursodeoxycholic acid is effective in the treatment of patients with rectal UC,which can effectively improve symptoms such as abdominal pain,diarrhea and purulent stool,inhibit the inflammatory response of the body,and alleviate dam-age to the intestinal mucosal barrier.

Objective To investigate the effect of resistance training on the rehabilitation of patients after hip replacement with the framework of the theory of planned behavior(TPB).Methods A total of 85 patients of hip fracture patients in Gansu Provincial Hospital of Traditional Chinese Medicine from July 2022 to April 2023 were selected as research objects.The patients were separated into intervention group(n=43)and control group(n=42)by random sampling.Both groups were treated with routine nursing,and the intervention group was given resistance training based on TPB.The intervention time was 3 months.The Harris hip score(HHS),36-item short form(SF-36)score and Barthel index(BI)scores of the two groups were compared before intervention,1 month and 3 months after intervention,as well as the functional exercise compliance score of the patients 3 months after intervention.Results After 1 month and 3 months of intervention,the HHS,SF-36 score and BI score of intervention group were better than those of control group,and after 3 months of intervention,the executive ability of functional exercise in intervention group was significantly higher than that of control group,and the mean difference was significant(P＜0.05).Conclusion Resistance training led by TPB can effectively improve the functional exercise compliance of patients after total hip arthroplasty,improve the muscle strength,balance ability and joint stability of patients,and then improve the daily activity ability and quality of life.

Objective To explore the core acupoints and compatibility rules of acupuncture and moxibustion for epilepsy by using complex network method.Methods A prescription database was es-tablished through inclusion and exclusion criteria for searching literatures for databases from China Na-tional Knowledge Infrastructure,VIP,Wanfang,Web of Science,EMBASE,and Pubmed.SPSS Modeler software was used to analyze the frequency and correlation of acupoints,and Gephi0.10.1 software was used to establish a complex network model to explore the core acupoints and acupoint se-lection rules of prescriptions for epilepsy.Results Ultimately,144 valid literatures were included,199 prescriptions were extracted,involving 102 acupoints.Baihui acupoint had the highest frequency of use,specific acupoints were mainly Five-shu acupoint,the Eight Meridian Intersection acupoint,and the Back-shu acupoint.In selection of meridians,most acupoints were selected from governor me-ridian.Association rule analysis showed that Baihui-Taichong had the highest level of support and con-fidence.The analysis of complex network topology showed that 36 acupoints such as Baihui,Dazhui,Yaoqi and Fenglong were the core acupoints in the treatment of epilepsy by acupuncture and moxibus-tion.The analysis of acupoint communities revealed three major acupoint groups including governor meridian passing through treatment group,far and near matching acupoint group of the four limbs and head,and differentiation group of Zang-fu and body fluid for epilepsy treatment.Conclusion Acu-point compatibility of epilepsy by acupuncture and moxibustion should be mainly based on principle of the governor meridian combined with the differentiation of viscera and body fluid,and attention should be paid to distal-proximal point association.

Objective To explore the core acupoints and compatibility rules of acupuncture and moxibustion for epilepsy by using complex network method.Methods A prescription database was es-tablished through inclusion and exclusion criteria for searching literatures for databases from China Na-tional Knowledge Infrastructure,VIP,Wanfang,Web of Science,EMBASE,and Pubmed.SPSS Modeler software was used to analyze the frequency and correlation of acupoints,and Gephi0.10.1 software was used to establish a complex network model to explore the core acupoints and acupoint se-lection rules of prescriptions for epilepsy.Results Ultimately,144 valid literatures were included,199 prescriptions were extracted,involving 102 acupoints.Baihui acupoint had the highest frequency of use,specific acupoints were mainly Five-shu acupoint,the Eight Meridian Intersection acupoint,and the Back-shu acupoint.In selection of meridians,most acupoints were selected from governor me-ridian.Association rule analysis showed that Baihui-Taichong had the highest level of support and con-fidence.The analysis of complex network topology showed that 36 acupoints such as Baihui,Dazhui,Yaoqi and Fenglong were the core acupoints in the treatment of epilepsy by acupuncture and moxibus-tion.The analysis of acupoint communities revealed three major acupoint groups including governor meridian passing through treatment group,far and near matching acupoint group of the four limbs and head,and differentiation group of Zang-fu and body fluid for epilepsy treatment.Conclusion Acu-point compatibility of epilepsy by acupuncture and moxibustion should be mainly based on principle of the governor meridian combined with the differentiation of viscera and body fluid,and attention should be paid to distal-proximal point association.