Objective To investigate the expression of CIP2A and c‐Myc and their correlation in cervical carcinoma .Methods We detected CIP2A and c‐Myc expression using immunohistochemistry in 72 samples of cervical carcinoma and 12 samples of normal cervix tissues .Correlation between proteins and clinicopathologic features and relation between CIP2A and c‐Myc expression were analyzed .Results The positive expression of CIP2A and c‐Myc in cervical carcinoma tissues were 52 .8% and 56 .9% ,respec‐tively .While their positive expression in normal cervix tissues were 8 .3% and 25 .0% ,respectively .The differences had statistical significance(χ2 =8 .169 ,P=0 .004 ;χ2 =4 .208 ,P=0 .040 ,respectively ) .Clinicopathological analysis suggested that CIP2A and c‐Myc protein expression were associated with histopathological differentiation and clinical stage(P<0 .05) in cervical carcinoma ,but the protein expression was not related to age ,lymph node metastasis and pathological type .CIP2A was significantly positive correla‐ted with c‐Myc protein in cervical carcinoma(r=0 .673 ,P=0 .001) .Conclusion The high‐expression of CIP2A is correlated with malignant clinicopathologic characteristics ,and CIP2A is positively associated with c‐Myc ,suggesting that CIP2A may promote tumor initiation and development through maintaining c‐Myc protein in cervical carcinoma .

Objective To explore the clinical effect of sodium hyaluronic acid on prevention of post-surgical pelvic and abdominal adhesion in gynecology.Methods 336 patients with pelvic and abdominal operation,using the double blind method for the patients and doctors,were randomly divided into the observation group (172 cases)and control group(164 cases).The experimental group was given hyaluronic acid in corresponding regions of the peritoneum,and the control group was not given any tissue adhesion prevention measures.Postoperative adhesions incidence and the change of serum CRP level of two groups were recorded.Results There was significant difference between the two groups in postoperative adhesions incidence (47.5％ vs 19.8％,x2 =13.10,P ＜ 0.01).The CRP level of the observation group changed significantly as compared with the control group after operation [(24.5 ±3.4)mg/L vs(12.7 ±3.9)mg/L(t =20.86,P＜0.01)].Conclusion Hyaluronic acid in prevention of postoperative adhesion of pelvic and abdominal operation is effective on improving the serum level of inflammatory factors.

Objective To investigate the protective effect of astragaloside on cardiomyocyte mitochoddria and inhibition effect on cardiomyocytes apoptosis of the rats with heart failure, and explore the treatment mechanism. Methods Sixty SD rats were randomly divided into control group, model group, astragaloside group, and trimetazidine group. The last three groups were injected subcutaneously with isoproterenol to make the heart failure model. Astragaloside group was given astragaloside 50 mg/(kg?d), and trimetazidine group was given trimetazidine 10 mg/(kg?d) orally for three consecutive weeks. At the end of the experiment, the myocardial tissue specimens of each group were made, inverted fluorescence microscope was utilized for measuring mitochondrial membrane potential (MMP), immunoblotting was utilized for detecting cardiomyocyte telomerase reverse transcriptase (TERT) expression, and flow cytometry was untilized for detecting cardiomyocyte apoptosis. Results The MMP ratio of astragaloside group was 3.226±0.371, significantly higher than the model group and trimetazidine group (P<0.01). The cardiomyocyte apoptosis rate of astragaloside group was 8.91±2.12, significantly lower than the model group and trimetazidine group (P<0.01), and the most obvious expression of TERT was found in astragaloside group. Conclusion Astragaloside can protect damaged mitochondria, promote TERT expression, inhibit cardiomyocyte apoptosis and protect cardiomyocytes.

Hardy-Weinberg equilibrium test is the base of genetic epidemiology. The new methods for Hardy-Weinberg equilibrium test involve: X chromosome-linked single nucleotide polymorphism Hardy-Weinberg test, inbreeding coefficient(F) test, an incomplete enumeration algorithm for an exact test of Hardy-Weinberg proportions with multiple alleles, and graphical tests for Hardy-Weinberg equilibrium based on the ternary plot. It is necessary to conduct Hardy-Weinberg equilibrium test in genetic epidemiology studies and adjust the associations as deviation of Hardy-Weinberg equilibrium occurs.

OBJECTIVE:To prepare hydroxycamptothecin sustained-release tablets and to optimize its preparation technology and formulation.METHODS:The preparation technology and formulation were optimized by orthogonal experiment taking the type of excipient polylactic acid (A),tabletting pressure (B),ratio of HCPT to PLA (C) as factors with the deviation degree of the accumulative release percentage as evaluation index.Then the optimized results were verified.RESULTS:The optimal technology and formulation were as follows:A was PLA (20 000),B was 250 N,C was 1∶5.The deviation degree of the formulation was verified to be 2.963.CONCLUSION:The hydroxycamptothecin sustained-release tablets prepared in optimized preparation technology and formulation are up to the standard on preparation.

The effect of endothelin (ET-1) on the function of the isolated perfused working guinea pig has been examined. ET- 1 wasshowed to exert a transient positive inotropic effect on the isolated heart, followed by a marked inhibition of cardiac function. Low dose of ET- 1(30,90 pmol?L-1) produced reversible inhibition. The effect of high dose of ET- 1 was irreversible, accompanied with increasing LDH significantly, indomethacin markedly augmented the vasoconstrictor and cardiac ischemia effects of ET-1. Our results suggest that the apparent inhibition of cardiac function on the isolatedperfused guinea pig heart after administration of ET-1 may be due to the effect of the myocardial ischaemia caused by progressive development of coronary vasoconstriction. In our experimental model, PGI2 has partially antagonizing effect on the vasoconstrictor action of ET-1.

Digital subtraction angiography has long been recognized as a gold standard for detecting cerebrovascular lesions.With the development of CT techniques,CT angiography(CTA)has been widely used in intracranial and extracranial vascular evaluation.This article reviews the development of CTA technique and its application in the diagnosis of cerebrovascular lesions.

ObjectiveTo get to know the status of health statistics postgraduate teaching and requirements during the study, and provide a basis to improve medical statistics teaching. MethodsPostgraduate students of 2008 grade of Dalian Medical University were selected randomly and filled in the self-designed questionnaire. Results52.6％ of the students considered that medical statistics was more important than other courses. 72.6％ of the students thought that medical statistics was difficult. Up to 30％of the students couldn't master and apply superior statistical analysis technique. ConclusionThe results of the survey offered basis and direction for enhancing the teaching quality and improving teaching methods.

Objective To investigate the effects of preconditioning with emulsified isoflurane(eISO)on inflammatory response to myocardial ischemia-reperfusion(I/R)injury in rats.Methods Forty SD rats of both sexes weighing 250-280 g were randomly allocated into 4 groups(n =10 each):groupⅠ sham operation(S);group Ⅱ myocardial I/R + normal saline(NS); group Ⅲ I/R + eISO and group Ⅳ I/R + 30％ intralipid(Ⅱ.)(vehicle for eISO).Myocardial ischemia was induced by occlusion of anterior descending branch of left coronary artery for 30 min followed by 180 min reperfusion.NS,30％ intralipid and elSO 2 ml/kg were infused iv over 30 min at 30 min before myocardial ischemia in groups Ⅱ,Ⅲ and Ⅳ respectively.The animals were killed at the end of 180 min repeffusion.Their hearts were removed for determination of infarct size and myocardial NF-κB p65 and ICAM-1 expression(by immuno-histochemistry)and plasma concentration of TNF-t(by radioimmunoassay).Results Myocardial I/R induced myocardial infarct and significantly increased plasina TNF-a concentration and myocardial ICAM-1 and NF-κB p65 expression in gro up Ⅱ,Ⅲ and Ⅳ as compared with'sham operation group (Ⅰ).Plasma TNF-a concentration and myocardial ICAM-1 and NF-kB p65 expression were significantly lower in group Ⅲ(eISO)than in group Ⅱ and Ⅳ.Conclusion Down-regulation of myocardial NF-kB and ICAM-1 expression and inhihition of inflammatoy response are involved in the mechanism by which preconditioning with iv elso protects against myocardial I/R injury.

ObjectiveTo explore the efficacy of large trauma craniotomy with bilateral frontal coronal incision in treating contusion and laceration of bilateral frontal lobes.MethodsThe clinical data of 68 patients with contusion and laceration of bilateral frontal lobes who were treated with bilateral decompressive craniectomy were analyzed retrospectively.There were 36 cases(observation group) treated with large trauma craniotomy with bilateral frontal coronal incision and 32 cases (control group) given bilateral decompressive craniectomy by stages.The prognosis of two groups were observed and compared.The prognosis was evaluated at 6 months after surgery by Glasgow outcome scale (GOS) score.ResultsThere were 23 cases (63.89％,23/36) who got good recovery,8 cases(22.22％,8/36) with poor prognosis and 5 dead cases (13.89％,5/36) in observation group.There were 11 cases (34.38％,11/32) who got good recovery,9 cases (28.12％,9/32) with poor prognosis and 12 dead cases (37.50％,12/32) in control group.The rate of good recovery and mortality between two groups had significant differences (P ＜ 0.05).ConclusionsThe large trauma craniotomy with bilateral frontal coronal incision can significantly relieve or ease intracranial hypertension of patients with contusion and laceration of bilateral frontal lobes.And it can improve the prognosis and decrease the mortality.