1.Advances in psychopathic individuals' moral judgments and the underlying neural mechanisms
Chinese Journal of Behavioral Medicine and Brain Science 2015;24(9):861-864
Objective To review psychopathic individuals' moral judgments and the underlying neural mechanisms in order to provide cognitive basis and the corresponding intervention for their socially deviant behavior.Methods Literatures were searched in Academic Search Premier,Science Direct,Highwire,PubMed and Wanfang database by July 2015.Index strategy:AB [psychopathy OR psychopathic] AND AB [moral judgments OR moral reasoning].Forty-seven articles including six in Chinese were chosen based on their abstracts and key words.Results 33 papers were adopted finally including 2 in Chinese.Most of the papers involved representative empirical studies within five years.Conclusion Compared with non-psychopathic individuals,psychopathic individuals are inclined to consider moral transgressions as more acceptable and are more inclined to make utilitarian moral judgments.Their impairment in moral judgments is associated with dysfunction in specific brain regions such as amygdale,dorsolateral prefrontal cortex,and ventromedial prefrontal cortex,and dysfunction in the basic brain system.Psychopathic individuals' moral judgment impairment needs to be examined within the frame of affect and their moral reasoning processes should be investigated in the future.
2.Inhibitory effects of heparan sulfate proteoglycan on transplanted breast cancer in C_3H mice
Hao LIU ; Zhiwen JIANG ; Xuhui TONG ; Xudong ZHANG
Chinese Pharmacological Bulletin 1986;0(06):-
Aim To observe the anti-tumor activity and the mechanism of heparan sulfate proteoglycan(HSPG) on C3H mice transplanted tumors.Methods Tumor model was established and randomly divided into five groups.HSPG groups(5,10,50 mg?kg-1),positive group and control group,intraperitoneal injection was performed once a day for 22 days and the volume of tumors was measured.Mice were treated on 24th day,then tumor weight was examined,thymus index,and spleen index were calculated,the apoptosis was determined by TdT-mediated Dutp nick end labeling(TUNEL) assay in situ,the expression of vascular endothelial growth factor(VEGF) was detected by immunohistochemistry.Results The tumor volume in HSPG groups was reduced without the decrease of thymus index,spleen index.TUNEL assay in situ showed numerous heavy blue apoptosis cells in the HSPG groups significantly higher than in control groups.The tumors in HSPG groups showed significantly lower VEGF expression than those in control group.Conclusion HSPG had significant anti-tumor effects on C3H mice transplantable breast cancer.The mechanisms may be associated with the effects of inducing tumor cell apoptosis and inhibiting the VEGF expression.
3.Inhibition of MEK sensitizes human breast carcinoma cells to endoplasmic reticulum pathway's apoptosis
Fen YANG ; Hao LIU ; Xudong ZHANG ; Zhiwen JIANG
Chinese Pharmacological Bulletin 1986;0(06):-
Aim To investigate the inhibition of MEK/ERK pathway affecting the sensitivity of human breast carcinoma cells SK-BR-3 to endoplasmic reticulum(ER) stress-induced apoptosis and wish to find new targets for human breast carcinoma chemotherapy.Methods Different concentrations(0,1.5,3,6,9 and 12 ?mol?L-1) tunicamycin(TM) treated human breast carcinoma cells SK-BR-3 for 48 h,then propidium iodide(PI) staining measured apoptotic cells in Flow Cytometry(FCM).Different times(0,6,12,24 and 36 h) of TM(3 ?mol?L-1) treated SK-BR-3 cells,Western blot measured proteins GRP78,ERK1/2 and pERK expression.MEK inhibitor U0126(20 ?mol?L-1) pretreated cells for 1 h before treatment with TM(3 ?mol?L-1) in different concentrations and times,measured above identical indexes and compared with their diversities of treatment with U0126 or not.Results TM induced apoptotic cells
4.The status and influencing factors of pleasant events among community-dwelling dementia patients
Yi WANG ; Zhiwen WANG ; Wei HAO ; Xiaowei LI ; Jie WU
Chinese Journal of Nursing 2017;52(5):524-529
Objective To investigate the status and influencing factors of pleasant events among community-dwelling dementia patients. Methods Totally 266 community-dwelling dementia patients were recruited from Bei-jing,Guangzhou and Tianjin,and were investigated with the Chinese-version Pleasant Events Schedule-AD(PES-AD). Results The overall score of PES-AD was (14.0±6.7). The factor scores from high to low were sensory stimulation activities(0.9±0.5),family activities(0.8±0.5),emotional stimulation activities(0.8±0.4) and autonomy activities(0.6± 0.5). Multiple linear regression showed that the severity of disease,without chronic disease,educational level of de-mentia patients and their caregivers were significant influencing factors of pleasant events,which explained 41.1% of the total variance. Conclusion Sensory stimulation activities of community-dwelling dementia patients were relatively satisfactory,followed by family activities and emotional stimulation activities,but autonomy activities were relatively unsatisfactory. It is suggested to choose appropriate pleasant activities according to the severity of disease for de-mentia patients to improve their quality of life.
5.Physical and chemical properties of acetylated low molecular weight heparin and its antineoplastic effect in vitro
Ying LIANG ; Guixin DUAN ; Hao LIU ; Zhiwen JIANG
Chinese Pharmacological Bulletin 2015;(1):103-107,108
Aims To synthesize acetylated low molecu-lar weight heparin( ALMWH) and to detect its physico-chemical properties and antineoplastic activity. Meth-ods LMWH was prepared by degradation of UFH with sodium periodate oxidation and sodium borohydride re-duction, then the LMWH was acetylated by acetic an-hydride where N, N′, -dicyclohexylcarbodiimide ( DCC ) and 4-dimethylaminopyridine ( DMAP ) were used as catalysts. X-ray diffraction(XRD)and Differ-ential Scanning Calorimetry ( DSC ) of ALMWH were obtained. The antiproliferative activity and anti-inva-sive activity were determined on MDA-MB-231 and MCE-7 human breast cancer cells. Results XRD a-nalysis showed that the LMWH degraded from UFH and ALMWH synthesized by acetylation of LMWH be-longed to amorphous structure, however, their DSC curves were significantly different. Compared with LM-WH, ALMWH had more powerful capacity for binding water and lowering anticoagulant activity, more signifi-cantly ALMWH exhibited stranger anti-proliferative and anti-invasive activity than LMWH, especially when it was used in low concentrations. Conclusion The syn-thesized ALMWH possesses a low anticoagulant activi-ty, certain anti-proliferative, anti-invasive and anti-metastatic activity. This study provides a basic method for screening of antineoplastic drug with low toxicity.
6.Effects of cisplatin combined with heparanase inhibitor on proliferation and invasion of human nasopharyngeal carcinoma cells.
Yang LI ; Hao LIU ; Yingying HUANG ; Longjian PU ; Xudong ZHANG ; Zhiwen JIANG ; Chenchen JIANG
Acta Pharmaceutica Sinica 2013;48(4):609-14
This study is to investigate the effects of cisplatin combined with heparanase inhibitor OGT2115 on proliferation, invasion and migration of human nasopharyngeal carcinoma cells CNE-2 and to provide a new target for the treatment of metastasis of nasopharyngeal carcinoma. MTT assay was used to detect the cell viability of CNE-2 after exposure to different concentrations of DDP (2, 4, 8, 16 and 32 micromol x L(-1)), different concentrations of OGT2115 (0.4, 0.8, 1.6, 3.2 and 6.4 micromol x L(-1)), and DDP combined with OGT2115. Transwell assay was applied to analyze the effects of drugs on invasion and migration of human nasopharyngeal carcinoma cells. Wound healing assay was performed to detect cell migration and heparanase activity was analyzed by ELISA. MTT results showed that DDP can inhibit the proliferation of CNE-2 cells in a time and concentration-dependent manner, with an IC50 of 24.03 micromol x L(-1) at 24 h (P < 0.05), low concentration of DDP has almost no inhibitory effect on cell invasion and migration. DDP combined with OGT2115 can significantly inhibit cell invasion and migration. Inhibition of heparanase can significantly enhance anti-invasion and anti-proliferation of DDP.
7.Clinical studies of risperidone in the treatment of the mental symptoms after frontotemporal brain contu-sion
Zhenju LI ; Changjiang LIU ; Jianwei WANG ; Shifang WANG ; Xiaobing JIANG ; Zhiwen HAO
Chinese Journal of Nervous and Mental Diseases 2015;(4):235-237
Objective To examine the effect of risperidone on the mental symptoms after frontotemporal brain contu?sion. Methods Sixty cases with mental symptoms after frontotemporal brain contusion were recruited from Jan 2009 to Dec 2011 and were randomly divided into control group and treatment group. The patients in the control group were giv?en vitamin B1 60mg/d, while the patients in the treatment group were given risperidone 1mg/d. Both groups were treated for 1 month. Positive and negative symptom scale (PANSS) and symptom scale (TESS) were used to evaluate the efficacy and adverse reactions of treatment. Results The PANSS score was significantly lower in the treatment group than in con?trol group at 1, 2, 3 and 4 weeks following treatment(difference between groups:F=48.12 ,P<0.0001;Time difference:F=290.99 ,P<0.0001; Interaction between group and time: F=11.91,P<0.0001 ). After time-adjustment, the PANSS score was significantly lower in the treatment group than in control group at 2, 3 and 4 weeks following treatment. In the course of treatment, the patients in both groups had varying degrees of headache, nausea, weight gain and Beckoning. These side effects were alleviated through symptomatic treatment. Conclusion Risperidone can significantly improve psy?chiatric symptoms in patients with frontotemporal brain contusion with satisfactory safety.
8.Effects of IL-7 and IL-2 on CD4+CD25-T cells proliferation in vitro
Jie ZHANG ; Jingsheng HAO ; Junfu LI ; Longlong XING ; Zhiwen LIU ; Li ZHONG ; Wei LIU
Chinese Journal of Immunology 2014;(7):879-883,892
Objective:To explore the promoting effects of IL-7 and IL-2 on CD4+CD25-T cells proliferation in vitro and construct a stable culture system in vitro for CD 4+CD25+regulatory T cells from human umbilical cord blood.To compare the inhibiting effects between induced proliferated CD 4+CD25+Tregs and naturally isolated CD 4+CD25+Tregs on PBMCs functional activity.Methods:CD4+CD25-T cells and CD4+CD25+T cells were isolated from human umbilical cord blood mononuclear cells by magnetic activated cell sorting ( MACS) system and then expanded in vitro.Four different concentration levels of IL-7 combined with proper concentration of IL-2 were added as inducer and the efficiency and optimal concentration of IL-7 on inducing,CD4+CD25-T cells were analyzed via 4 different methods.Flow cytometry method was used to detect the changes of CD 4+CD25-T cells.The inhibitory effect of expanded CD 4+CD25+T cells on peripheral blood mononuclear cells (PBMCs) was tested by MTS.The expressions of Foxp3,IL-10 and TGF-βgenes in CD4+CD25+T cells were test by RT-PCR.Results:The CD4+CD25+T cells from each groups were expanded significantly after three weeks of culture.The results indicated that use of IL-7 combined with IL-2 resulted in the highest cell expansion comparing to the other groups.It was shown by the inhibitory test that the expanded CD 4+CD25+regulatory T cells could inhibit the proliferation of PBMCs ,but IL-7 induced CD4+CD25+regulatory T cells exerted weaker suppressor activity than natural regulatory T cells .Only IL-7 (4 ng/ml) and IL-2 (2 000 U/ml) induced CD4+CD25+regulatory T cells showed the strongest killing activity.Conclusion:We successfully expand CD4+CD25+regulatory T cells in vitro.The protocol is established in which the use of mAbCD 3/CD28 combined with IL-7 and IL-2 resulted in the highest cell expansion ,and intensely expressed cell phenotype of CD 4 and CD25.
9.Occupational value investigation and analysis of pediatric nurses in level two hospitals
Liling XING ; Zhiwen WANG ; Guilan HAO
Chinese Journal of Modern Nursing 2015;(29):3587-3589
Objective To investigate the occupational value status of pediatric nurses in level two hospitals, so as to provide evidence for nursing human resource management. Methods From March to April 2013, convenient sampling method was used to select 150 pediatric nurses in 4 level two hospitals who were investigated by occupational value scale. Results The total score of occupational value among pediatric nurses was (4. 38 ± 0. 46), in which care dimension acquired the highest score (4. 46 ± 0. 46) while behavior dimension obtained the lowest score (4. 21 ± 0. 64). Multiple regression analysis presented that occupational value total score of pediatric nurses was impacted by education background and working years. Conclusions Occupational value score of pediatric nurses in level two hospitals is above average level, so nursing managers can manage nursing human resources scientifically according to the recognition characteristics of occupational value in pediatric nurses.
10.Glycosylation inhibitor 2-deoxy-D-glucose sensitizes oral cancer cells to TRAIL-induced apoptosis.
Jincheng XU ; Yingying HUANG ; Yang LI ; Longjian PU ; Fei XIA ; Chenchen JIANG ; Hao LIU ; Zhiwen JIANG
Journal of Southern Medical University 2013;33(4):524-527
OBJECTIVETo investigate the effect of 2-deoxy-D-glucose (2-DG) in enhancing the sensitivity of oral cancer cells to tumor necrosis factor-related apoptosis-inducing ligand (TRAIL)-induced apoptosis.
METHODSThe oral cancer cell line KB was incubated in the presence of different concentrations (0, 0.625, 1.25, 2.5, 5, and 10 mmol/L) of 2-DG with or without TRAIL (200 ng/ml). The cell viability was measured using MTT assay and cell apoptosis was detected using flow cytometry with propidium iodide (PI) staining. KB cells treated with 5 mmol/L 2-DG with or without TRAIL for 0, 6, 16, or 24 h were examined with Western blotting for protein expressions of death receptor 5 (DR5) and caspase-3.
RESULTSTreatment of the cells with 5 mmol/L 2-DG for 24, 48 and 72 h resulted in a cell viability of 25.25%, 69.06%, and 59.19%, respectively. Combined treatment with 5 mmol/L 2-DG with TRAIL for 24 significantly enhanced the cell apoptotic rate (72.5%) as compared to the rate induced by TRAIL alone (45.3%) and by 2-DG (15.9%) alone. 2-DG treatment markedly up-regulated DR5 and caspase-3 expression and enhanced the inhibitory effect of TRAIL on cell colony formation.
CONCLUSION2-DG sensitizes oral cancer cells to TRAIL- induced apoptosis by up-regulating DR5 and caspase-3 expressions.
Apoptosis ; drug effects ; Caspase 3 ; metabolism ; Cell Line, Tumor ; Deoxyglucose ; pharmacology ; Drug Synergism ; Gene Expression Regulation, Neoplastic ; Humans ; Receptors, TNF-Related Apoptosis-Inducing Ligand ; metabolism ; TNF-Related Apoptosis-Inducing Ligand ; pharmacology