Objective To investigate the treatment effect of gonadotropin releasing hormone agonist and oral contraceptive on endometriosis diseases.Methods One hundred and eighty-six cases with endometriosis who were hospitalized in Traditional Chinese Medicine Hospital of Fangshan District of Beijing from Jan.2012 to Dec.2012,were randomly divided into control group (93 cases) and observation group (93 cases).Patients in control group were given Marvelon by oral from the first day of menstruation after operation to 6 months,1 tablet/day,and patients in observation group were given Marvelon combined with Zoladex after laparoscopic conservative treatment (3.6 ml subcutaneous injected Zoladex from the first week after operation,4 weeks/time,3 times).The total subjective symptom scores,efficacy rate,Pregnancy rate and adverse reaction were calculated and recorded.Results Subjective symptom score of observation group was (0.91 ± 0.32),significantly lower than that of the control group (1.64 ± 0.74 ; t =8.73,P ＜ 0.01).The efficiency rate in observation group were 95.70％ (89/93) was significantly higher than that in control group(82.80％ (77/93) ;t =4.328,P ＜0.05).Adverse reactions rate and reoccurrence in observation group were 4.30％ (4/93) and 3.23％ (3/93),lower than that of the control group(16.13％ (15/93) and 10.75％ (10/93) ; x2 =4.854,5.168 ; P ＜ 0.05).After treatment,the pregnancy rate in infertile patients of observation group the was 85.71％ (12/14),significantly higher than that of the control group (61.54％ (8/13),x2 =3.987,P ＜ 0.05).Conclusion Gonadotropinreleasing hormone agonist combined contraceptive is worthy of recommendation due to alleviating clinical symptoms,reducing adverse reactions occur,the relapse rate and improving the chances of conceiving infertility patients.

Objective To evaluated the renal hemodynamic changes in early diabetic nephropathy rats by color Doppler ultrasound and its correlation with podocyte damage.Methods Twenty male SD rats were randomly divided into 2 groups:,control group and diabetic nephropathy group.After 8 weeks,the systolic peak velocity (Vmax),diastolic minimum velocity (Vmin) and resistance index (RI) were measured by color Doppler ultrasound,the pathological changes in kidney tissues were obseved by HE staining,nephrin deposits were observed by immunofluorescence,and the nephrin mRNA expression in the renal cortex were detected by RT-PCR method.The difference of those results between two groups were compared,and the relationship between nephrin mRNA expression and index of renal hemodynamic were analysed.Results Compared with rats in control group,the Vmax and Vmin was lower among rats in diabetic nephropathy group [(16.63 ± 2.85)cm/s vs (24.16 ± 3.35)cm/s,P ＜0.001 and (5.41 ± 1.11)cm/s vs (9.87 ± 2.26) cm/s,P ＜0.001].However,the RI was higher than that of control group (0.73 ± 0.14 vs 0.57 ± 0.12,P =0.034).Bigger glomerular volume,increased mesangial matrix,increased mesangial cells,and visible focal lymphocytic or mononuclear cell infiltrated were observed in diabetic nephropathy group.The expressions of nephrin were lower in the cortex of renal in diabetic nephropathy group compared to control group (0.276 ± 0.015 vs 0.507 ± 0.024,P ＜0.001).Correlation analysis suggested nephrin mRNA expression was positively correlated with the Vmax and Vmin (r =0.931 and r =0.944,all P ＜0.001),and negatively correlated with RI (r =0.786,P ＜0.001).Conclusions Renal hemodynamic changes assessed by color Doppler ultrasound associated with podocyte damage in diabetic nephropathy rat,which is a noninvasive method of evaluation of early kidney damage.

For the past few years,with the extensive application of nanoparticle technology in photodynamic therapy (PDT) of cancers,there have been some improvements of the stability of photosensitizers,the tumor targeting,the working depth and the yield of singlet oxygen by a variety of ways.Furthermore,with nanoparticle,PDT also can be combined with some other treatments together.Finally,the use of nanoparticle vectors for PDT is a novel and promising approach which might improve the efficiency of photodynamic therapy for tumors,overcome many adverse effects and increase the indications of PDT.

Objective To investigate the utility of full-field digital mammography (FFDM) and localization and biopsy in diagnosis of nonpalpable breast cancer. Methods 42 cases with suspect breast cancer by routine film reading but negative clinical palpation were performed localization and biopsy under X-ray orientation and diagnosed with breast cancer by pathology. The characters of those cases were studied.Results Among 42 cases, 5 cases showed micronodules, 8 cases demonstrated local dense infiltration, 11cases had architecture distortion, 18 cases demonstrated micro-calcifications. The type of pathology comprised of intraductal carcinoma (23 cases), tabular carcinoma in situ (2 cases), early infiltration of ductal carcinoma (12 cases), infiltrating ductal carcinoma (3 cases), papilloma carcinoma (2 cases). Conclusion FFDM can clearly show direct and indirect X-ray signs of breast cancer, combined with localization and biopsy the nonpalpable breast cancer can be easily diagnosed.

Objective To discuss the nursing care after the treatment of lower limb deep venous thrombosis by using thrombolytic drug from lateral dorsum of foot vein.Methods 32 patients with lower limb deep venous thrombosis were treated by using micropump pumping thrombolytic drug from lateral dorsum of foot vein,and administration of heparin sodium,706 artificial plasma and danshen root,in combination with nursing care,healthy guidance,observing the signs,symptoms and the effect of treatment.Results Of 32 cases,12 cases were complete recovery,19 cases were partial recovery and 1 case was noneffective.Conclusion Correct nursing care is important in the patients with lower limb deep venous thrombosis after thrombolytic treatment.

In recent years,chimeric antigen receptor T -cells(CAR-T cells)therapy becomes the new rapid development of adoptive tumor immunotherapy .Its main characteristic is to identify specific T cell receptor of tumor antigen by genetic engineering modification and give its targeting ,killing and persistent treatment .The CAR-T was mentioned for the first time in 1989,and has developed to the fourth generation .CD19-CAR-T treatment technique shows activity in phase I clinical trials of multiple research centers .CAR-T therapy is ex-pected as a new way to cure relapse/refractory hematological malignancies .

Objectives To study the expression patterns of steroid receptor coactivators (SRC) and steroid-induced stromal cell-derived factor-1 (SDF-1) in endometriosis,and to explore the roles of SRC in the steroid-induced SDF-1 expression endometriosis.Methods From May 2010 to October 2012,16 endometriosis cases at stages Ⅲ or Ⅳ according to the revised American Society for Reproductive Medicine classification undergoing surgery in the First Affiliated Hospital to Nanjing Medical University were enrolled in this study.Their ectopic endometrium were from ovarian endometriomata which were identified pathologically with 9 cases at proliferative phase and 7 cases at secretory phase.The normal endometrium were acquired from the healthy women with normal menstrual cycle (n =10,proliferative phase =5,secretory phase =5).The mnRNA levels of SRC and SDF-1α during the menstrual cycle were detected by quantitative real-time polymerase chain reaction.Ectopic endometrium stromal cells were purified and cultured in medium containing 17β-estradiol (10-8mol/L) or 17β-estradiol (10-8 mol/L) + progesterone (10-6 mol/L).At 24,48,72 and 96 hours,the supernatants were collected to measure SDF-1α expression by ELISA.Ectopic endometrium stromal cells were transfected respectively with siRNA of SRC-1 and SRC-2 using lipofectamine.Two days after transfection,17β-estradiol (10-8 moL/L) or 17β-estradiol (10-8 mol/L) + progesterone (10-6 mol/L) were added into the media.On the third day after the steroid hormones treatment,the media were collected to quantify SDF-1α expression with ELISA.Results (1) Cyclical changes: the SRC-1,SRC-2 and SDF-1 α showed marked cyclic differences in normal endometrium (P ＜ 0.05).In proliferative phase and secretory phase,the SRC-1,SRC-2 and SDF-1 α were 5.6 ± 1.2,3.8 ± 1.1,2.7 ± 0.5 and 2.6 ± 1.0,2.1 ± 1.0,1.6-± 0.5,respectively.There was no periodic variation in the expression of SRC-1,SRC-2 and SDF-1α in ectopic endometrium throughout the menstrual cycle.(2) Steroid-induced SDF-1α expression in ectopic endometrium stromal cells: the 17β-estradiol-induced SDF-1α expression was (1 803 ± 196),(2 272 ± 261) and (2 162 ± 258) ng/L at 48,72 and 96 hours.At the same time points,the SDF-1α expression induced by 17β-estradiol and progesterone was (1 307 ± 150),(1 518 ± 301) and (1 550 ± 144) ng/L,respectively.There was significant difference between two groups (P ＜0.05).(3) The effects of SRC silencing on steroid hormones-induced SDF-1 α expression in ectopic endometrium stromal cells: the expression of 17β-estradiol-induced SDF-1α at 72 hours was significantly decreased from (2 313 ± 357) ng/L to (1 155 ± 244) ng/L after the silencing of SRC-1 (P ＜ 0.05).After the silencing of SRC-2,the 17β-estradiol-induced SDF-1 α at 72 hours was (1 958 ±324) ng/L.There was no significant difference compared with the before the silencing (P ＞ 0.05).The expression of SDF-1 α at 72 hours induced by 17β-estradiol + progesterone was (1 534 ± 449) ng/L and (2 051 ± 380) ng/L respectively before and after the silencing of SRC-2 and showed the significant difference (P ＜ 0.05).Conclusion During the expression of SDF-1 α regulated by steroids in ectopic endometrium cells,SRC-1 is the major coactivator of 17β-estradiol and SRC-2 is the major coactivator of progesterone.

In vitro or in vivo results of investigations into the development of photosensitizer drug delivery systems have demonstrated that the use of vehicles not only enhance the stability of photosensitizer,but also promote the accumulation of photosensitizer in tumor tissue,enhance the targetability of photodynamic therapy,the working depth,the yield of singlet oxygen and overcome many untoward effects.So the research of new photosensitizer drug delivery system has important application value in photodynamic therapy of tumor.

Aim To investigate the protective effect of pituitary adenylate cyclase activating polypeptide(PACAP)on focal cerebral ischemia reperfusion injury in rats.Methods The models of focal cerebral ischemia reperfusion in rats were established with suture-occluded method to simulate the middle cerebral artery ischemia reperfusion injury in clinic.The treatment groups were given three different dose PACAP(PACAP 10-11 mol,PACAP 10-10 mol and PACAP 10-9 mol) in 15 minutes before cerebral ischemia.PACAPs were infused into lateral cerebral ventricle by microinjector.The water content of brain,the activity of superoxide dismutase(SOD),the content of malondialdehyde(MDA) and the content of nitrogen monoxidum(NO) of the brain tissue were determined.Results Compared with NS group,the water content of brain and the concentration of MDA and NO were obviously lower in each PACAP treatment group,while the activity of SOD was elevated to different degrees.Conclusion PACAP has an obvious protective effect on ischemia-reperfusion injury of focal brain tissue in rats,in which edema-alleviating,free radicals-scavenging and lipid peroxidation-attenuating could be involved.The protective effect seems to be more clear in middle-and high-dose group than in low-dose group.

Objective To evaluate the serum levels of cystatin C (CysC)in lung cancer and its clinical significances for kidney assement.Methods The serum of 120 patients with lung cancer and 50 healthy controls were collected.All the patients were en-rolled in Beijing Chest Hospital,Capital Medical University,from June 2012 to October 2013.Full-automatic biochemistry analyzer was used to examine the levels of serum CysC.Results The level of serum CysC in patients with lung cancer was significantly higher than that of healthy controls(t = 4.771,P < 0.05 ).The sensitivity of CysC(81.7%)was significantly higher than that of BUN(66.7%)and Cr(45%)(χ2 =25.326,P <0.05),and there were no significantly difference of the specificity among them(χ2 =3.468,P >0.05).Conclusion Serum CysC was a useful biochemistry marker for kidney assement in lung cancer,and have better clinical significances than BUN and Cr.