Objective To study the effect of IFN-αcombined with ATRA in liver cancer therapy in perioperative phase of inter-vention .Methods An animal model of liver cancer CBRH7919 was established by implanting 28 Wistar rats with tumor tissue .The hepatic artery was tied off in one month after formation of tumor .All the rats were randomly divided into the experimental group (14 cases) and the control group(14 cases) .The control group accepted peritoneal injection with normal saline while the experimen-tal group accepted IFN-αcombined with ATRA .10 days later ,all the rats were sacrificed .And the level of expression of VEGF ,bF-GF ,mirovessel density ,and apoptotic index of tumor cells were measured .Results Serum VEGF level ,MVD and apoptotic index of tumor cells of the experimental group were statistically lower than that of the control group [(91 .8 ± 12 .7) pg/mL ,(115 .7 ± 11 .8)/HP ,(12 .29 ± 4 .53)% vs .(67 .4 ± 18 .3)pg/mL ,(65 .3 ± 7 .2)/HP ,(3 .81 ± 1 .52)% ,t=4 .099、13 .642、6 .640 ,P<0 .05)] , results of RT-PCR and immunohistochemistry detection both showed that the levels of expression of VEGF and bFGF of the exper-imental group was lower than that of the control group .Conclusion IFN-αcombined with ATRA in liver cancer therapy in periop-erative phase of intervention could suppress the generation of neoplastic vascular and improve the effect of the intervention .So it is worth promoting .

Fourly adult healthy patients were separately anesthetlzed with (1 )0. 95% isoflurane; (2) fentanyl 5g/kg and thiopentone 4 mg/kg; (3) upper thoracic epidural blockage and (4 ) lumbar epidural blockage,Continuous 5 min ECG were recorded before and a fier anesthesia with spectral analysis of heart rate varlability (HRV) performed by computer program. For power spectral measurement,three frequency band of HRV were evaluated and the effects of each anesthesia were compared. HRV reduced markedly in patients using 0. 95 % isoflurane. with decreases of frequency by 91. 7% (low frequency ), 84. 4% (mid frequency ). and 82% (high-frequency) respectively. In patients after administration of fentanyl 5g/kg, mid and high-frequency components declined 63. 4 % and 65. 4 %. Upper thoracic epidural block restrained the mid and low frequency components by 66 % and 65 % respectively, Following lumbar epidural block the pattern of HRV components did not change. It is concluded that different anesthesia techniques may have significant different effects on autonomic reflexes as presented by HRV.

Objective To understand the death rate and the main death causes of the senile diabetic inpatients. Methods The histories of all the death cases of senile diabetic inpatients in this hospital from 1992 to 1999 were reviewed. The death rate and causes of senile diabetics were compared with those of the non-senile diabetics. Results Senile diabetics among the total diabetic inpatients increased within 8 years (56.93% during 1992-1995 vs. 67.63% during 1996-1999,P80 yrs group being 23.60%, P

Objective To explore the relationship between aggressive behavior and attachment styles for adult prisoners.Methods A sample of 413 criminals filled out measures for Aggression Questionnaire and Adult Attachment Scale.Results There existed significant differences of anxiety,anger,hostility,physical attacks and the total score of AQ among different criminals type (F =2.80,5.80,5.15,16.82,10.69,P ＜ 0.001 or P ＜ 0.05).And there existed significant differences of anxiety,anger,hostility,physical attacks,verbal attacks and the total score of AQ among different adult attachment style (F =18.14,34,17,7,83,22,75,P ＜ 0.01).The close dimension of AAS was significantly negatively related with anger,hostility,physical attacks and the total score of AQ (r =-0.15--0.20,P ＜ 0.01).And the anxiety dimension of AAS was significantly positively related with anger,hostility,physical attacks,verbal attacks and the total score of AQ(r =0.30-0.52,P ＜ 0.01).Regression analysis found that anxiety dimension and close dimension of AAS were fairly effective variables in the prediction of the criminal attacks.Conclusion There are close relationships between aggressive behavior and adult attachment for criminals.The anxiety dimension and close dimension make a certain prediction to the criminal attacks.

BACKGROUND:In recent years,it has been shown in studies that regulation of the expression of Has1 is very important to maintain neural stem cells and regulate its differentiation during the development of embryonic nervous system.Moreover,upregulation of Hes1 expression is required for quiescent adult flbroblasts resuming proliferation.This indicates that there is a close relationship between Hes1 and some potential stem cells in adult.Therefore,the study of Hes1 expression in neural stem cells and its relationship with adult neurogenasis is put on the agenda.However,the expression of Hes1 in adult brain is still not clear.OBJECTIVE:To observe the expression of Hea1 in adult mouse brain and the cell types of Has1 positive cells.METHODS:Totally 12 adult male C57BL/6 mice were randomly evenly divided into two groups by using the random number table.For the first group,the mouse brain was removed directly and immunohistochemical staining was used to detect the expression of Has1 in the adult mouse brain.For the second group,Brdu was injected intraperitoneally to every mouse with a dosage of 200 mg/kg,once a day,for 3 days.The mouse brain was removed at 4 days and then double staining was carded out to observe and analysis the cell types of Hes1 positive cells in hippocampus.RESULTS AND CONCLUSION:Hes1 was expressed in all the observed anatomical site where neural cells exist,Brdu positive cells nearly all expressed Hea1,NeuN positive cells all expressed Has1,whereas GFAP positive cells did not express Hes1 completely.Hes1 was expressed in all neurons and neural stem cells,and glial cells did not express Hes1.

BACKGROUND: It has been reported that human adipose-derived mesenchymal stem cells can be induced to differentiate into hepatocyte-like cells with the function of albumin synthesis and urea secretion in vitro.OBJECTIVE: To investigate the potential of adipose-derived mesenchymal stem cells differentiating into hepatocyte-like cells in vitro.METHODS: Adipose-derived mesenchymal stem cells were isolated from the subcutaneous fat of hepatitis B virus infection patients by collagenase digestion and adherent method. Adipose-derived mesenchymal stem cells were induced by three-phase induction method and observed morphologically. The expression levels of alpha-fetoprotein, albumin and cytokeratin 18 were detected by immunohistochemical staining and glycogen synthesis function was detected by glycogen staining method.RESULTS AND CONCLUSION: Most of adipose-derived mesenchymal stem cells induced by three-phase induction method were differentiated into hepatocyte-like cells with polygonal morphology. Immunohistochemistry staining results showed that hepatocyte-like cells expressed alpha-fetoprotein, albumin and cytokeratin 18, and the expression levels of albumin and cytokeratin 18 increased with the culture time. The induced cells had the function of glycogen synthesis and were positive for periodic acid Schiff staining. These results showed that the subcutaneous adipose-derived mesenchymal stem cells could be induced into functional hepatocyte-like cells in hepatitis B virus infection patients.

ObjectiveTo investigate the correlation between recent cardiac events and the score of myocardial infarction by delayed-enhancement MRI (DE-MRI).Methods DE-MRI was performed in 40 subjects with coronary artery disease.The score of myocardial infarction by DE-MRI,the ejection fraction (EF) by echocardiography,recent cardiac events (the number of weekly nitroglycerin,the number of weekly angina episodes and the onset number of heart failure in the last year),6-minute walking distance,as well as the Seattle angina questionnaire (SAQ) score were assessed.The Spearman correlation test and Kruskal-Wallis test,Mann-Whitney test were used for the statistics.ResultsThere were negative correlation between the myocardial infarction score by DE-MRI (median 12,inter-quartile range:6.0-19.8) and the 6-minute walking distance(378.93 ± 100.53 ),SAQ score (74.55 ± 11.40 ) (r was 0.66 and 0.54,P ＜0.05).The myocardial infarction score by DE-MRI was strongly correlated with the number of weekly nitroglycerin ( median 1 ; inter-quartile range:0-2.8),the number of weekly angina episodes ( median 3,inter-quartile range:1-6.5 ) and the onset number of heart failure in the last year ( median 0,inter-quartile range:0-2) (r was 0.87,0.85 and 0.89,P ＜0.05).EF [(49.2 ± 13.72)％] was negative correlation with the number of weekly nitroglycerin,the number of weekly angina episodes and the onset number of heart failure in the last year (r were 0.67,0.73 and 0.73,P ＜0.05).ConclusionDE-MRI can be used for evaluation and prediction of future cardiac events.

Objective HGF and its receptor ( c-met) are principal mediators of mesenchymal-epithelial interac-tion in several different systems.Moreover, hair follicle is a model of mesenchymal-epithelial interaction.The aim of this study was to explore whether HGF/c-met signal plays a role in the control of hair follicle growth cycle.Methods To ex-amine the localization of HGF/c-met in anagen, catagen and telogen in the hair follicle of ICR mice.Results HGF was mainly located in the dermal papilla and sebaceous gland, and c-Met in the hair matrix, root sheath and epidermis.Both HGF and c-met expressions peaked during anagen, not found in catagen, and increased during telogen-anagen phase.Con-clusions Our results demonstrate a regulatory role of HGF and c-met in the control of hair follicle growth in ICR mice.

Objective To explore the relationship between different hemorrhage position,hemorrhage volume,surgical time and outcome of treatment with surgical methods of HICH.Methods A total of 1310 patients were admitted from six hospitals from January 2004 to January 2008,the 1310 patients were divided into six groups according to different operation:craniotomy through bone flap (group A),craniotomy through small bone window (group B),stereotactic drilling drainage (group C1 and group C2),neuron-endoscopy operation (group D) and external ventricular drainage (group E),considering hemorrhage position,hemorrhage volume,surgical time and result of surgical methods were reviewed and analyzed.Results ①Craniotomy through bone flap should be selected with the case of superficial or deep hematoma volume (＞ 80 mL),median line structure distinct motion,metaphase or advanced stage of hernia of brain.②Craniotomy through small bone window and neuron-endoscopy should be selected with the case of moderate hematoma volume (50-80 mL) ③Drilling drainage should be selected with the case of small hematoma volume in superficial or deep hematoma volume (20-50 mL) ④Extemal drainage should be selected in dealing with ventricular hemorrhage.Small bone window or neuron-endoscopy should be selected in ventricular casting mould.⑤The appropriate operation time for patients with hematoma volume less than 80 mL should be 6-12 hours and large hematoma should be immediately operated to save lives.The operation time should depend on patients detail condition.Conclusions Craniotomy through bone flap was suitable for large hematoma and hernia of brain; Stereotactic drilling drainage should be selected in patients with hematoma volume less than 80mL; and the operation results in dealing with HICH would be improved via suitable operation time and surgical methods and adividual according to Hemorrhage position and Hemorrhage volume.

OBJECTIVETo determine the pesticide residues in Shengmaiyin.

METHODThe residues were simultaneously identified and quantified by capillary gas chromatography. The capillary column was OV-1701(0. 32 mm x 30 m, 0.5 microm), splitless injection and Agilent 63Ni electron capture detector ECD were adopted. The carrier gas were high-pure nitrogen, the flow rate were 60 mL x min(-1), the injector temperature was 260 degrees C, and the detector temperature was 300 degrees C.

RESULTIt showed a good linear relationship between peak area and pesticide concentration for 11 kinds of pesticides in the detection concentration range. All correlation coefficients were higher than 0.996 2. The average recovery was 83.1% -114.7%.

CONCLUSIONA simple and efficient monitoring method of pesticide residues is established which provides the foundation for the safe use and analysis of Shengmaiyin.