Current risk classification in childhood B-cell precursor acute lymphocytic leukemia has been used to modulate the intensity of treatment and prognosis assessment.However there are a significant proportion of relapses and deaths occur among childhood with good risk clinical characteristics and/or an excellent early response to therapy.So research about the aberrant expression of gene associated with relapse will improve cure rate.Aberrant expression of CRLF2 gene can be found in childhood B-cell precursor acute lymphocytic leukemia and associated with JAK aberrantion,BCR-ABL1-like signature,IKZF deletion.Over-expression of CRLF2 gene is associated with high risk relapse and poor outcome in childhood B-cell precursor acute lymphocytic leukemia,but its prognostic value is still controversial.This article mainly reviews the progress of CRLF2 gene in childhood B-cell precursor acute lymphocytic leukemia.

EVI1 gene mainly controls embryo development.3q rearrangement,MLL translocations,monosomy 7,which react with other genes,can lead to EVI1 aberrant expresion or fusion gene.Recent studies have shown aberrant expression of EVI1 gene in parts of acute lymphatic leukemia,acute myeloid leukemia and chronic granulocytic Leukemia and correlation with poor prognosis.Leukemogemc mechanism include epigenetic modifications,transcriptional control,regulation of signaling pathways,upregulation of cell adhesion,proliferation,and colony formation and antiapoptosis.Drugs of genetic therapy include epigenetic agents,mTOR inhibitor,human ITGA6/ITGB4 complex antibody and CD52 monoclonal antibody.

OBJECTIVE To investigate the risk factors of nosocomial infection in elderly lung cancer inpatients, to determine reasonable protective and therapeutic measures. METHODS Sixty-eight nosocomial infection cases and 215 non-nosocomial infection cases in elderly lung cancer inpatients were analyzed retrospectively. RESULTS The data of the TNM stage (?2=14.883,P=0.001), pathologic type (?2=34.217,P=0.000) and pathogenic site (?2=15.288,P=0.000) showed significant differences. By Logistic regression analysis, ECOG, antimicrobial treatment, hospitalization and hypoproteinemia showed significant differences(P

Objective To observe the application of oxycodone with the efficacy and safety of propofol anesthesia in hysteroscopic surgery. Methods 60 cases of hysteroscopic surgery in our hospital in January 2016 January 2017 were admitted during the period, according to the anesthesia were divided into study group and control group, 30 cases in each. The study group used oxycodone with propofol the control group was treated with fentanyl anesthesia with propofol anesthesia effect and safety of anesthesia. Results Before anesthesia, study group and control group, heart rate and arterial pressure comparison, no statistically significant; after anesthesia, study group and control group, heart rate and arterial pressure contrast, comparison was statistically significant. The study group and the control group of adverse reactions during and after the operation, there was statistical significance. Compared with the control group, the analgesic effect of uterine contractions after 5min, 1 h and 2 h in the contrast group was statistically significant. Conclusion The application of oxycodone analgesia with propofol in the operation is effective in hysteroscopic surgery anesthesia, intraoperative respiratory depression, little effect on the circulatory system, high safety.

Objective: To make an impersonal evaluation on the effect of TCM on main biochemical indexes of non-alcoholic fatty liver disease (NAFLD),including ALT,AST,GGT,TC,TG,and HDL-C.Methods: We searched all the randomized controlled trials (RCTs) of TCM for NAFLD from CBM, CNKI,and VIP (1999-2008).RevMan4.2 was used in the analysis. Results: 11 RCTs,including 1078 patients,met the inclusion criteria.All of the trials were not adequate in methodological quality. None of them was double-blinded trial.The result of analysis showed that compared with basic Western medicine,TCM could increase the content of HDL-C,reduce the content of ALT,AST,GGT,TC and TG.Conclusion: The present meta-analysis suggested that TCM was beneficial over Western medicine for NAFLD which indexes including ALT,AST,GGT,TC,TG,and HDL-C.But we can not make a final conclusion due to low quality of RCT.

OBJECTIVE: To study the mechanism of intestinal absorption of protocatechualdehyde .METHODS: Using invivo rat intestinal absorption model and HPLC, the apparent small intestine absorption rate of protocatechualdehyde was mea-sured. RESULTS: Under low, medium and high concentrations of drug, the apparent small intestine absorption rates of proto-catechualdehyde were 1.1 341/h, 1.1 637/h and 1.0 847/h respectively .CONCLUSION: The protocatechualdehyde absorptionmechanism is passive diffusion.

Objective To assess the role of MRI in the preoperative characterization and local staging of testicular neoplasms.Methods A retrospective study of 24 patients suspected of testicular neoplasm was conducted.The histological diagnosis of testicular neoplasms was made and local extension of testicular malignancy was evaluated.The MRI findings were correlated with the pathologic results.Results Histological examination revealed 26 intratesticular lesions,14 of which were nalignant,including 4 cases of diffuse large B cell lymphoma,7 cases of seminoma,2 cases of embryonal carcinoma,one case of teratoma.Twelve lesions were benign,including 5 cases of epidermoid cyst,2 cases of simple cyst,2 cases of inflammatory granuloma,2 cases of testicular mediastinal tubular expansion and one case of testicular pseudo fibroma.Six malignant testicular tumors were confined within the testis,4 invaded the testicular tunicae or epididymis,2 invaded the spermatic cord,and 2 invaded the scrotal wall.The accuracy of MRI in the diagnosis of intratesticular lesions was 92％.The accuracy of MRI diagnosis in the local staging of testicular tunors was 86％.Conclusions MRI is highly accurate in the preoperative characterization and local staging of testicular neoplasms.It is of great significance to the clinical diagnosis and treatment.

Objective To explore the relationship of pregnancy-associated plasma protein-A (PAPPA),osteoprotegerin (OPG) and endometriosis,so as to apply the new theoretical basis for the etiology of endometriosis.Method PAPP-A and OPG in peritoneal fluid were measured in 25 women with endometriosis(study group) and 25 women with hysteromyoma ablation (control group).Results The levels of PAPP-A and OPG were both higher in peritoneal fluid in study group [(72.3±57.4)U/L and (3.28±2.63) μ g/L]than that in control group [(42.3± 19.7) U/L and (1.73 ±0.45) μ g/L] (P＜0.05).Furthermore,significant correlation was found between the stage of endometriosis and the levels of PAPP-A and OPG in study group (P＜0.05).The concentration of PAPP-A in peritoneal fluid were significantly higher in the secretory phase than the proliferative phase of the menstrual cycle in two groups(P＜0.05) ,and OPG in peritoneal fluid without significant difference(P＞ 0.05).Conclusion PAPP-A and OPG maybe play an important role in the development of endometriosis.

Objective: To investigate the expressions of MMP-2 and MMP-7 between colorectal cancer and normal tissue.Methods: RT-PCR was used to determine the expressions of MMP-2 and MMP-7 in colorectal cancer and normal tissue.Results: The expression rate and level of MMP-2 and MMP-7 were higher in cancerous tissue than that in normal tissue(P