Histone deacetylases (HDACs) catalyze the deacetylation of histone and nonhistone proteins. They play important roles in regulating chromatin remodeling and gene transcription,and that aberrant chromatin remodeling and transcriptional dysregulation are associated with many neurodegenerative diseases. Preclinical studies have suggested that histone deacetylases inhibitors (HDACIs) can target diverse pathophysiologies of ischemic stroke,not only reduce neuronal damage and infarct volume,but also promote the neuronal plasticity and functional recovery after ischemia. This article mainly reviews the neuroprotective mechanisms of HDACIs in ischemic stroke.

Flow cytometric immunophenotyping has evolved from two-parameter quantitative measurement of peripheral blood lymphocytes to five-or more parameter qualitative evaluation of bone marrow and lymph node in hematopathology.Leukemia/lymphoma immunophenotyping represents an important addition to histomorphology in the diagnosis,classification and monitoring of hematolymphoid neoplasms.The complexity of five-or more parameter analyses and the interpretation of the data rely on standardization and validation of the instrument,the reagent and the procedure.In addition,clinical flow cytometry laboratories in U.S.A are required to document proficiency testing,sample preparation as well as accuracy,specificity,sensitivity and precision of methodology.CLSI and UCCC recommend that each laboratory should validate its own qualitative and quantitative procedures.This paper introduces the procedures for validation and quality control in a clinical flow cytometry laboratory in the United States.

The current prevalence of myopia has been as high as 27.65%～53.80%among adolescents in Chinese schools.The major reasons are too much near-work activity and lack of outdoor activity for a long time.In order to reduce the prevalence of myopia in Chinese adolescents,we suggest that Chinese students should have 3.5 hours outdoor activity everyday,including 30 minutes travel between home and school,1 hour outdoor activity between classes,1 hour outdoor sport class at school,and 1 hour outdoor activity after school.

OBJECTIVE:To study the incidence of adverse drug reactions(ADRs) and the rational use of Durogesic in in-patients METHODS:37 in-patients treated with Durogesic in Department of Oncology in our hospital were prospectively observed,and its analgesic efficacy and incidence,severity and the outcome of ADRs were evaluated RESULTS:The alleviating effect of Durogesic on carcinomatous pain was 100% Of 37 patients,ADRs were found in 4 cases with a ADR rate of 10 8% CONCLUSION:Durogesic is effective in clinical use,but attention should be paid to monitoring ADRs and avoiding irrational use of drug

Objective To Study on the immune function of Cedar pollinosis.Methods The radioimmunosorbent test was used to measure IgE and the nephelometry was used to measure serum IgG,IgM,IgA,C3 and C4 levels.Results Total IgE leve in the patients serum was obviously higher than that in the control group,the serum IgG,IgM levels were also higher than those of control group,but the IgA level was no evident difference between two groups,and the serum C3 and C4 levels were lower than that of the control group.Conclusion Combination of a rising serum IE,IgG,IgM and a decreasing serum C3,C4 levels may be a diagnostic marker of cedar pollinosis,periodical determination of immune function for patients with cedar pollinosis could dynamic observe the change of the patients' condition.

Objective To investigate the clinical effect and nursing methods of bilevel positive air-way pressure(BiPAP)ventilation in patients with neurogenic pulmonary edema(NPE).Methods Totally 11 NPE patients from January 2004 to December 2007 were enrolled.Ventilation support adopted specific invasive BiPAP mode of Puritan-Bennett840.Aiway pressure release ventilation(APRV)tactics was ap- plied in this mode.The blood oxygen saturation rote(SpO2),acidity-alkalinity(pH),arterial oxygen pres-sure(PaO2),arterial carbon dioxide pressure(PaCO2)were analyzed and compared between synchronized intemittent mandatory ventilation(SIMV)mede2 h and 24 h after BiPAP ventilation.Results Among,arterial blood gas analysis of 11 patients,SpO2 and PaO2 were obviously ameliorated after BiPAP ventilation compared with SIMV ventilation.No side-effect occurred.Conclusions The application of invasive Bi- PAP ventilation support in NPE patients proved to be a fast and effective method.

Objective: The pathology workflow statistics, modeling, optimize procedure and establish standardized operating procedures. Methods:This paper which based on the previous studies, the standard operation management and database technology, based on pathology workflow sample collection, sample inspection, warehousing storage, picking or sorting, sample processing and handling, inspection, quality control and other aspects of the analysis, optimizing operating procedures, thus forming SOPs, and accordingly the establishment of standardized management database system. Results: The system shortens the pathological examination cycle, improve the detection efficiency. Conclusion: It can be widely used in pathology sample collection, diagnosis, management processes, and application for sound management system pathology, pathology strengthen quality control is important.

Objective To study the anti-lipid peroxidation effect of seal oil on rat liver steatosis induced by carbon tetrachloride and high fat diet and its mechanism of action. Methods: Both sc a low dose of carbon tetrachloride and high fat diet were given to male Wistar rats for 7 weeks . Then five groups(n=10 in each) received olive oil, simvastatin 4 mg ? kg-1 ? d-1, seal oil 0. 5, 1. 6, 4. 8 g ? kg-1 ? d-1 , administered orally for further 8 weeks,respectively . The untreated control group received only normal feed. The efficacy of seal oil on fatty liver and anti-lipid peroxidation was observed. Results: The contents of MDA and FFA decreased, CYP2E1 expressed weakly and SOD increased significantly in seal oil groups while hepatic TC,TG decreased and fatty liver was markedly improved when tested by pathologic diagnosis. Conclusion: Seal oil can induce SOD activities and eliminate oxygen free radical, thus show anti-lipid peroxidation effects on experimental fatty liver.

Objective To study how ANGPTL4 modulates phenylephrine(PE)-induced cardiac fibrosis. Methods PE was applied to induce cardiac fibrosis. The knockdown effect of ANGPTL4 under PE stimuli was confirmed by Western blot;the proliferation of cardiac fibroblast was detected by CCK-8;mRNA levels of Collagen 1(Col1)and connective tissue growth factor(CTGF)were detected by QPCR to investigate the regula-tion of cardiac fibrosis by ANGPTL4. Results PE induced the proliferation of cardiac fibroblast and the up-regula-tion of mRNA levels of Col1 and CTGF;ANGPTL4 knockdown deteriorated cardiac fibrosis,manifested by the up-regulation of Col1 and CTGF. Conclusion ANGPTL4 inhibits PE-induced cardiac fibrosis.

The author proposed the doctor language of doctors basic characteristics, and analysized doctor-patient languages in the course of diagnosing and treating, summarized doctors language's basic principle.