Objective To study the expressions of P57~(kip2) mRNA and genetic instability of P57~(kip2) in human hepatocellular carcinoma (HCC).Methods In situ hybridization(ISH) was used to detect the expression of P57~(kip2) mRNA in HCC.MSI and LOH were detected by PCR-polyacrylamide gel electmphoresis-silver staining method.Results There was no expression of P57~(kip2) mRNA found in normal liver tissue.The expression rate of P57~(kip2) mRNA in both pericancerous cirrhosis and hepatocellular carcinoma was 26.7%(8/30).LOH was not identified in 30 cases on three microsatellite loeies;there were 2 microsatellite loeies showing MSI,the total rate of MSI was 16.7%.There was correlation found between the MSI of D11S1760 locies and the expression of P57~(kip2) mRNA(P＜0.05).Conclusion The disorder expression of P57~(kip2) mRNA indicated that P57~(kip2) might be involved in hepatocarcinogenesis and prognosis.MSI may be one of the reasons that explains the disorder expression of P57~(kip2) mRNA in hepatocarcinogenesis and prognosis.

Objective To investigate the infection situation and the gene subtype distribution characteristics of human papilloma-virus(HPV)in Fengxian District of Shanghai to provide the reliable scientific basis for preventing HPV infection and the prevention and treatment of cervical cancer.Methods The PCR combined with reverse dot-blot technique was adopted to analyze the HPV de-tection results among 18 194 women in our hospital from February 2011 to October 2013.Results Among 18 194 cases of sample, 2 986 cases were HPV positive with the total HPV infection rate of 16.41%,in which 21 genotypes were all detected out.Single HPV genotype infection was in 2714 cases,two kinds of HPV genotype infection were in 148 cases(4.96%)and three kinds or more of HPV genotype infection were in 124 cases.The HPV positive rate was 16.88% in the outpatient and 12.76% in the inpa-tients.In the HPV infection,the high-risk type was more than the low-risk type,its detection number was 7.5 times of low-risk type.Most of the high-risk HPV infection were HPV16,52,58;most of the low-risk HPV infection was HPV cp8304,followed by HPV6 and HPV11.Conclusion The HPV prevalence in Fengxian District is generally in line with the Asian population distribution rule,but has its own unique regional characteristics.The infection age peak is 51-65 years old.The high-risk type infection is high-er than the low-risk type infection,which is dominated by the single genotype infection.

Objective To observe the effect of S1PR2/3 on heart during myocardial ischemia-reperfusion (I/R) in rats. Methods Healthy adult male Sprague-Dawley rats were randomly divided into 7 groups: control group, sham operation group, IR group, IR group treated with DMSO, IR group treated with Cym5541( agonist of S1P3), IR group treated with Cay10444 (antagonist of S1P3), IR group treated with Cay10444/Jte-013 (antagonist both S1P3 and S1P2). In vivo model of myocardial ischemia-reperfusion was established. The hemodynamics, infarction area and mortality was recorded. Results Compared with IR, the S1PR3 antagonist group and S1PR2/3 antagonist group showed signiifcantly reduction of heart rate(HR) and increament left ventricular end-diastolic pressure(LVEDP)(P<0.05). In addition, the infarction area was increased in the S1PR3 antagonist group and S1PR2/3 antagonist treated group (55.7%:28.8%, 51.6%:28.8%), respectively. Treatment with S1PR3 agonist reduced the infarct size compared with IR group(18.6%:28.8%). Blocking S1P2/3 receptors increased IR-induced mortality signiifcantly (53%:22%, P<0.05). Conclusion S1PR2/3 have a beneifcial effect on heart. S1PR2 and S1PR3 were involved in the IR-induced SCD.

Objective To observe the effects of different anesthetic techniques on T-lymphocyte subsets in patients with cardia cancer. Methods Thirty-two patients undergoing elective radical operation for cardia cancer who had been average assigned into two groups by random digits table, group Ⅰ :general anesthesia;group Ⅱ :epidural anesthesia combined with general anesthesia (16 cases in each group).Peripheral blood T-lymphocyte subsets were measured before induction, after anesthesia, end of operation, 1d,3 d after operation. Results CD3,CD4,CD8 and CD4/CD8 all decreased in two groups after anesthesia,end of operation and 1 d after operation than before induction (P < 0.05). The index almost returned to the baseline values at 3 d after operation in group Ⅱ [ (60.75 ± 4.22 )%, (39.65 ± 3.64)%, (25.90 ± 1.17 )%,1.57 ±0.15](P >0.05),while in group Ⅰ still lower [(55.83 ±5.20)%, (35.15 ±5.65)%, (23.00 ±1.03 )%, 1.47 ± 0.35 ](P< 0.05 ). The two groups ontrast had significant deviation at 3 d after operation (P<0.05). Conclusion Epidural anesthesia combined with general anesthesia can reduce depression of Tlymphocyte subsets induced by surgical trauma and anesthesia.

Objective:To implement the external quality assessment ( EQA) of clozapine for therapeutic drug monitoring ( TDM) among psychiatric hospitals in Guangdong. Methods:The parameters of HPLC used by the hospitals were understood through question-naires. The EQA of clozapine for TDM was implemented by distributing the quality control serum. Results:The qualified rate of cloza-pine in the quality control serum at low, medium and high concentrations for TDM was 66. 67%, 66. 67% and 83. 33%, respectively. Conclusion:It is necessary to implement EQA of clozapine for TDM in Guangdong.

A magnetic extraction sorbent based on Fe3 O4@poly ( methacrylic acid-co-ethylene dimethacrylate) ( Fe3 O4@MAED ) was synthesized using methacrylic acid and ethylene dimethacrylate as monomer and cross-linker, respectively. The magnetic sorbent was characterized by FTIR spectroscopy, elemental analysis and transmission electron microscopy. At the same time, the Fe3 O4@MAED was used to extract four benzoylurea pesticides in water and juice samples under magnetic dispersive solid phase microextraction ( MDSPME ) format. To obtain the optimal extraction conditions, several parameters, including the amount of sorbent, desorption solvent, extraction and desorption time, pH value, and ionic strength in sample matrix were investigated. Based on this, a fast, simple and sensitive method for the determination of benzoylurea pesticides in water and juice samples was developed by the combination of MDSPME with HPLC equipped with diode array detector. Under the optimized experimental conditions, the developed method possessed expected linear dynamic ranges, coefficients of correlation ( R2>0. 99 ) and sensitivity. The limits of detection (S/N=3) for target analytes were 0. 10-0. 19 μg/L in water and 0. 12-0. 30 μg/L in juice, respectively. The RSDs for intra-day were less than 7% and inter-day RSDs were less than 11%. The developed method was successfully applied to the determination of benzoylurea pesticides residues in water and juice samples and the recoveries of spiked target compounds were in the range of 69. 4%-118. 0%. The results demonstrated that the Fe3 O4@ MAED could extract benzoylurea pesticides effectively through multi-interactions including hydrophobic, hydrogen-bond and ion-exchange interactions between sorbent and analytes.

Objective To assess the clinical value of dobutamine 201Tl stress-redistribution/nitroglycerin augmented ~(99m)Tc-metho~(99m)Tc-xyisobutylisonitrile (MIBI) gated myocardial perfusion imaging (MPI) in patients with coronary artery disease (CAD). Methods A total of 132 patients with suspected CAD underwent dobutamine 201Tl stress-redistribution/nitroglycerin augmented MIBI gated MPI and coronary arteriography (CAG) within two weeks after MPI. Percutaneous coronary interventions (PCI) were performed in 23 patients with myocardial infraction. The regional wall movement was assessed with echocardiography before and within three months after PCI. Results Taking stenosis ≥50% as standard of CAD, the sensitivity, specificity and accuracy of dual-isotopic SPECT imaging in diagnosing CAD was 93.41%, 87.80% and 91.67%, respectively. The sensitivity, specificity and accuracy in diagnosing left anterior descending artery (LAD) stenosis was 93.85%, 91.04% and 92.42%, for left circumflex artery (LCX) was 86.79%, 89.87% and 88.64%, while for right coronary artery (RCA) was 81.25%, 82.14% and 81.82%, respectively. Of all 207 myocardium segments in 23 patients with myocardial infarction, radioactivity defect was found in 113 segments on the redistributed ~(201)Tl images, and radiofilling was found in 52 (52/113) segments on the nitroglycerin augmented ~(99m)Tc-MIBI images, whereas 61 segments had no radiofilling. Taking regional wall movement improvement as the criterion of viable myocardium, the sensitivity, specificity and accuracy of identifying viable myocardium with nitroglycerin augmented ~(99m)Tc-MIBI imaging was 87.23%, 83.33% and 84.96%. Conclusion Dobutamine ~(201)Tl stress-redistribution/nitroglycerin augmented ~(99m)Tc-MIBI gated MPI is able to effectively detect CAD and viable myocardium and helpful in diagnosis and treatment of CAD.

Objective To study the clinical characteristics and potential influencing factors of rehabilitation of cognition in post-stroke patients with aphasia.methods Forty-one patients with aphasia after ischemic stroke,admitted to Nanfang hospital and Nanfang Yanling Hospital from June 2015 to November 2016 were included.Their primary clinical information and NIHSS scores were registered.In acute phase,Aphasia Battery of Chinese and Boston Diagnostic Aphasia Examination was used to evaluate language ability and classify the aphasia type.Non-language-based Cognitive assessment (NLCA) was used to assess patients' nonlinguistic cognition.Besides,the assessment of post-stroke depression and dependence degree of daily living activities were performed.3 months later,patients were evaluated again.A total of 30 aphasia patients completed the final follow-up.Result s(1) Compared with the baseline in patients with aphasia after stoke,all domains of language ability were significantly improved after 3 months(P<0.05).(2)Every nonlinguistic cognitive score was significantly increased within 3 months(total NLCA score(65.83±13.02 vs 48.00±25.11),memory(17.23±2.49 vs 13.30±5.42),visual spatial ability(10.67±2.43 vs 8.07±3.75),logical reasoning ability(6.53±1.48 vs 4.97±2.43),attention(25.57±5.79 vs 17.43±12.33),executive function(5.77±3.47 vs 4.20±4.23),all P<0.01).(3)The NLCA total score (62.40±14.23 vs 72.70±6.34)and scores in visual spatial (9.95±2.67 vs 12.10±0.74)and abstract reasoning(6.05±1.54 vs 7.50±0.71) of persisting aphasia patients were significantly lower than that of aphasia recovered group(all P<0.05).(4) Multivariate regression showed that initial NLCA score had a negative predictive effect on cognitive function improvement of aphasia patients 3 months after stroke(β=-0.603,P<0.01).Conclusion The rehabilitation of cognitive function in patients with aphasia after stroke is similar to that of language function.Patients with persisting aphasia may have worse performance on nonlinguistic cognition and ability of daily living,even with more serious depressive emotion.Evaluation of nonlinguistic cognition in post-stroke aphasia patients in acute phase is necessary and the score seems to be an important predicting factor of 3-month cognition.

To improve the expression level of non fusion hbFGF in E coli , the coding sequence of human bFGF gene, which had been cloned from primarily cultured human fibroblast, was mutated according to the principle of lowering the GC content and increasing the codon preference After being ligated into pET 3c and transformed into BL21(DE3), the recombinant induced by IPTG Expression level was up to 30% of the total bacterial protein The result indicated that optimizing of the TIR would promote the expression level of recombinant protein

OBJECTIVE:To study the current situation and developing trend of the antidiabetics used in Guangdong re?gion.METHODS:The antidiabetics used in44hospitals in Guangdong region during the period2000～2003were analysed concerning the kinds of drug,sum of money for consumption and frequency of drug use.RESULTS:The sum of money for consumption of antidiabetics increased year by year so did its proportion in sum of money for consumption of total drug.Among them,consumption of insulin increased very quickly and oral antidiabetics assumed a tendency of increase as well.CONCLUSI_ ON:The variety of insulin is stable and new oral antidiabetics is going into market occasionally in this region,but frequency of use is primary to sulfonylurea,biguanides and glycosidase-inhibitors.