1.Pentapeptides prevent enterovirus 71 proliferation in rhabdomyosarcoma cells and mice.
Acta Pharmaceutica Sinica 2014;49(4):457-462
Enterovirus 71 (EV71) is the main causative agent of hand, foot, and mouth disease (HFMD). This article presented the inhibitory activity of pentapeptides on the EV71 infection in rhabdomyosarcoma (RD) and suckling mice. The EV71 VP1 capsid protein expression levels and mRNA levels were analyzed by Western blotting and real-time PCR. The antiviral activity of pentapeptides in vivo was evaluated by weight changes and EV71 VP1 protein expression levels in intestines of suckling mice. Results revealed that the pentapeptide P010157 was able to inhibit EV71 replication in RD cells. After being incubated with the P010157 at a concentration of 100 microg x mL(-1) for 48 h, the level of EV71 vp1 mRNA in RD cells decreased by (92.0 +/- 6.3)%. The estimated EC50 was 2.2 microg x mL(-1). P010157 was able to inhibit EV 71-induced cytopathic effect (CPE) in RD cells. The cytotoxic activity of the compound was evaluated against RD cells by MTS assay. The results showed that P010157 had no obvious toxicity. In addition, the treated mice with P010157 did not exhibit weight loss, as was observed in untreated mice. EV71 replication reduced significantly as revealed by Western blotting. These findings suggest that P010157 could prevent EV71 proliferation in vitro and in vivo. P010157 is a novel compound for antiviral therapies against EV71, which merited further investigation.
Animals
;
Antiviral Agents
;
pharmacology
;
Capsid Proteins
;
genetics
;
metabolism
;
Enterovirus A, Human
;
physiology
;
Enterovirus Infections
;
metabolism
;
Humans
;
Mice
;
Oligopeptides
;
pharmacology
;
RNA, Messenger
;
metabolism
;
Rhabdomyosarcoma
;
metabolism
;
pathology
;
virology
;
Tumor Cells, Cultured
;
Virus Replication
;
drug effects
2.Pentapeptides prevent enterovirus 71 proliferation in rhabdomyosarcoma cells and mice.
Acta Pharmaceutica Sinica 2014;49(4):457-62
Enterovirus 71 (EV71) is the main causative agent of hand, foot, and mouth disease (HFMD). This article presented the inhibitory activity of pentapeptides on the EV71 infection in rhabdomyosarcoma (RD) and suckling mice. The EV71 VP1 capsid protein expression levels and mRNA levels were analyzed by Western blotting and real-time PCR. The antiviral activity of pentapeptides in vivo was evaluated by weight changes and EV71 VP1 protein expression levels in intestines of suckling mice. Results revealed that the pentapeptide P010157 was able to inhibit EV71 replication in RD cells. After being incubated with the P010157 at a concentration of 100 microg x mL(-1) for 48 h, the level of EV71 vp1 mRNA in RD cells decreased by (92.0 +/- 6.3)%. The estimated EC50 was 2.2 microg x mL(-1). P010157 was able to inhibit EV 71-induced cytopathic effect (CPE) in RD cells. The cytotoxic activity of the compound was evaluated against RD cells by MTS assay. The results showed that P010157 had no obvious toxicity. In addition, the treated mice with P010157 did not exhibit weight loss, as was observed in untreated mice. EV71 replication reduced significantly as revealed by Western blotting. These findings suggest that P010157 could prevent EV71 proliferation in vitro and in vivo. P010157 is a novel compound for antiviral therapies against EV71, which merited further investigation.
3.The effect of health education on recovery of insight in schizophrenic patients
Chinese Journal of Tissue Engineering Research 2001;5(5):32-33
ObjectiveThe purpose of this study was to investigate the effect of health education on the recovery of insight in schizophrenic patients. MethodThe insight of patients in health education and control groups was assessed by SAUMD and BPRS bdfore and 4, 8, 12 weeksafter trentment. ResultThe recovery of insight of health education group was significantly different from control group after treatment. Theinsight scores was significantly related to major symptom, cultural level and disease course. ConclusionThe health education for schizoprenicpatients was important in recovering insight and illness and promoting patients go back to society early.
4.Investigation on the Status Quo and Cognition about the Cultural Construction of TCM in Chongqing
China Pharmacy 2016;27(30):4194-4196,4197
OBJECTIVE:To provide reference for strengthening the cultural construction and promoting the cultural develop-ment of TCM in Chongqing. METHODS:Questionnaire was adopted to investigate the status quo and cognition of some citizens, staffs in medical and health institutions for the cultural construction of TCM in public TCM medical and health institutions above Grade Two in Chongqing,and the data was statistically analyzed. RESULTS:Totally 45 questionnaires were sent out for TCM med-ical and health institutions,45 were effectively received with effective recovery of 100%;3 500 were sent out for the citizens,2 250 were effectively received with effective recovery of 64.29%;1 100 were sent out for the staffs in TCM medical and health institu-tions,702 were effectively received with effective recovery of 63.82%. In terms of cultural construction in surveyed institutions,or-ganization,principles and unit markings carried out a relatively high proportion in the core cultural soft power construction,the de-velopment of behavioral norms system carried out a relatively low proportion;and the proportion was higher in the hardware envi-ronment construction. In terms of the cognition of surveyed citizens for the TCM culture,62.98% believed in TCM;the first rea-son for choosing TCM was its less side effects(24.76%);89.42% thought it was necessary to keep in good health. In terms of the cognition of surveyed staffs for the cultural construction of TCM,81.91%thought the TCM culture was taken seriously in their hos-pital;60.54% showed great satisfaction with the cultural construction of TCM;only 23.08% was very familiar with the concept of TCM core values;the surveyed staff thought the main problems in the cultural construction of TCM were lack of facilities (69.09%)and talent personals(44.59%). CONCLUSIONS:The organization,principles,unit markings and facilities in Chongq-ing TCM medical and health institutions are taken seriously,while the behavioral norms system needs to be strengthened;the citi-zens’cognition for TCM culture should to be improved,as well as the staffs’TCM cultural awareness in TCM medical and health institutions.
5.Comparison on Characteristics of Tumor Recurrence of Hepatocellular Carcinoma after Liver Transplantation and Hepatectomy
Bo LV ; Tian-Fu WEN ;
Chinese Journal of Bases and Clinics in General Surgery 2003;0(03):-
Objective To explore the different characteristics of tumor recurrence after liver transplantation (LT)and hepatectomy(HC)in patients with hepatocellular carcinoma(HCC).Methods The literatures about tumor recurrence of HCC after LT and HC were reviewed and their characteristics were compared.Results There are distinctions of recurrence rates,time,common sites between the recurred tumors after LT and HC,and their correlation factors and mechanisms of recurrence are also different.Conclusion Preventive measures should be strengthened and treatments should be more targeted according to the different characteristics of tumor recurrence after LT and HC to improve postoperative life quality and increase the survival rate.
6.Dynamic changes of glycemic excursions before and after treatment by continuous subcutaneous insulin infusion in new diagnosed patients with type 2 diabetes mellitus
Bo LIU ; Yingdi SHEN ; Hairong TIAN
Chinese Journal of Primary Medicine and Pharmacy 2009;16(12):2141-2143
Objective To observe the characteristics of glycemic excursion and to evaluate the therapeutic effects on blood glucose in new dignosed type 2 diabetes mellitus after being given continuous subcutaneous insulin infusion(CS Ⅱ).Methods Thirty-eight new dignosed type 2 diabetes mellitus patients were randomly divided into group CS Ⅱ(n=18) and group many-times subcutaneous insulin infusion(MS Ⅱ,n=20).The blood glucose lasted for three days were monitored by continuous glucose monitoring system(CGMS).Results The abnormal glucose metabolism in two groups were markedly released after two weeks treatment,the mean blood glycemic(MBG),mean amphtude of glycemic excursions(MAGE),means of daily differences(MODD) and the percentage of blood glucose beyond 7.8 mmol/L and 11.1 mmol/L after therapy were all significantly decreased compared with those of before therapy (P<0.001);the average levels of blood glucose before and after diet were decreased obviously as well(P<0.05,P<0.01).All index in group CS Ⅱ were lower than that of group MS Ⅱ (P<0.01,P<0.001).Conclusion Continuous glucose monitoring system can assess the changes characteristics of blood glucose effectively,continuous subcutaneous insulin infusion was an effective means of controlling blood glucose.
7.Effects of fenofibrate and pioglitazone on expressions of intracellular signaling molecules in pancreatic islet of high-fat diet-fed rats
Ting FENG ; Bo YANG ; Haoming TIAN
Chinese Journal of Endocrinology and Metabolism 2008;24(4):416-419
Objective To observe the effects of fenofibrate and pioglitazone on the expressions of PPAR- α, PPAR-γ, and intracellular signaling molecules in pancreatic islets of obese rats induced by high-fat diets. Methods SD obese rat models were established with high-fat diet, and 40 male rats were assigned to 4 groups including high-fat diet (HF group), high-fat diet with fenofibrate (FF group), pioglitazone (FP group) treatment, and control rats with normal diet (NC group). After 8 weeks intervention, immunohistochemistry was performed to evaluate the expressions of various proteins in islets; At the same time, islets mass were scored in tissue slides. Results Islets mass enlarged in HF group. The compositions of islet cells were the same as the control. The expression of insulin was lower in HF group than the control, but after using pioglitazone, less islets mass and more insulin expression were found in FP group. Compared with the control group, expressions of PPAR-α, PPAR-γ protein were reduced in HF group, and the expression of PPAR-α protein increased in FF group, and the expression of PPAR-γ protein was increased in FP group. The levels of NF-кB, p38 mitogen-activated protein kinase (MAPK), ERK1 proteins increased significantly in HF group, the expressions of NF-кB, p38 MAPK decreased in FF and FP groups, and the level of ERK1 decreased only in FP group, the protein level of I-кB showed no difference among control, HF group, and FF groups. Conclusion Fenofibrate and pioglitazone may partially protect islet cells function and improve survival by correcting the disturbance of intracellular signaling molecules.
8.Application of high-frequency ultrasonography in diagnosis of testicular cancer.
Bo LI ; Tian-an JIANG ; Ping YIN
Chinese Journal of Oncology 2011;33(4):316-317
Adolescent
;
Adult
;
Carcinoma, Embryonal
;
diagnosis
;
diagnostic imaging
;
Child
;
Child, Preschool
;
Diagnosis, Differential
;
Hemangioma, Cavernous
;
diagnosis
;
diagnostic imaging
;
Humans
;
Infant
;
Lymphoma
;
diagnosis
;
diagnostic imaging
;
Male
;
Middle Aged
;
Orchitis
;
diagnosis
;
diagnostic imaging
;
Retrospective Studies
;
Seminoma
;
diagnosis
;
diagnostic imaging
;
Teratoma
;
diagnosis
;
diagnostic imaging
;
Testicular Neoplasms
;
diagnosis
;
diagnostic imaging
;
Ultrasonography, Doppler, Color
;
Young Adult
9.Exparimental study on relationship between GAT-1 and neuron injury in focal cerebral ischemia/infusion model
Fangfang BI ; Fafa TIAN ; Bo XIAO
Journal of Clinical Neurology 1993;0(03):-
Objective To study the relationship between GAT-1 and neuron injury in focal cerebral ischemia/infusion model.Methods Focal cerebral ischemia/reperfusion models were established in rats by thread embolic, then the brain tissues were taken at 3 h, 6 h,12 h, 24 h and 3 d after cerebral ischemia/reperfusion.The number of GAT-1 positive neurons were calculated and the average optical density were detected by immunohistochemical technique in different time points after cerebral ischemia/reperfusion, compared with the normal group and the sham operated group.Results The expression of GAT-1 was up-regulation obviously at 3 h after cerebral ischemia/reperfusion( P
10.Recent progress in the combination treatment of radiotherapy and PD-1/PD-L1 signaling blockade immunotherapy
Chinese Journal of Radiological Medicine and Protection 2016;36(3):235-240
Every stage of tumor initiation and development closely relates to immune regulation as tumor cells tend to evade attacks from immune system by employing the programmed death 1 (PD-1)/ programmed death-ligand 1 (PD-L1) interaction.Therefore,targeting the PD-1/PD-L1 pathway has become an attractive approach for cancer immunotherapy.Radiotherapy has long been considered a local tumor treatment modality and it is immune-inhibitory.However,accumulated evidence has shown that radiotherapy might enhance immune function by eliminating the tumor mass and has become a systemic tumor treatment modality.These observations indicate a strong rationale that the radiotherapy and anti-PD1 and anti-PD-L1 immunotherapy may work synergistically to provide a powerful anti-tumor effect.This review discusses current progresses,challenges and perspectives of this novel combination treatment modality.