Objective To investigate the effect of mifepristone on the activity of proliferation and the apoptosis, the expression of estrogen receptor (ER),progesterone receptor (PR) protein and morphology changes of human ovarian carcinoma cell line 3AO and SKOV3 in vitro. Methods The proliferative activity of 3AO and SKOV3, which were cultured in vitro, was measured by tetrazolium-based colorimetric assay (MTT assay). Flow cytormetry (FCM) was used to measure the expressive rate of ER, PR , p53 protein, bcl-2 protein, cell apoptotic rate and cell proliferative cycle of 3AO cells, which were cultured with different concentration and duration of mifepristone. The morphologic and ultrastructure changes of apoptotic 3AO cells was observed by the light and electron microscopy. Results Mifepristone inhibited significantly the proliferation of 3AO cells in dose-time dependent manner in vitro. The inhibitory rate of 3AO cells growth, which were cultured with different concentration of mifepristone( 5,10,20,40,80 ?mol/L) and duration (24,48,72 h) was from 1.7% to 75.0%(P0.05). 3AO cells apoptosis activity appeared the positive correlation with the dose of mifepristone and cultured duration (P

Objective To investigate gene transfer efficiency of a novel target non-viral vector GE7 and effects of herpes simplex virus thymidine kinase (HSV 1-tk)/ganciclovir(GCV) mediated by it in vitro. Methods The epidermal growth factor receptor (EGF-R) target gene delivery system GE7 was constructed.Human ovarian cancer cell line CAOV3 was transfected in vitro with ?-galactosidase(?-gal) as reporter gene and HSV 1-tk gene as therapeutic gene using this gene delivery system.By means of the assay of X-gal staining, Northern blotting, cell growth-inhibiting curve and so on,the transferring efficiency of exogenous genes and killing effects are observed. Results It showed that gene transfer efficiency is over 80%.When 10 mg/L GCV was put into ovarian cells transfected with HSV 1-tk gene, 95% of cells were killed, and the apoptosis ratio reached up to 30. Conclusions The GE7 gene delivery system is an effective and safe delivery system.GE7/ HSV 1-tk /GCV therapeutic gene system is appraising for ovarian cancer.

Objective To establish a human cervical carcinoma cell line. Methods A primary culture was initiated from malignant tissue collected by dissection of cervical biopsy specimens.Characterizing cells in culture which included morphological observation,biological and karyotypic analysis,experimental tumorigenesis and the expression of p53,bcl-2 and Ki67 genes was carried out. Results The new established cervical carcinoma cell line (CS1213) had been maintained in culture for over 170 generations.The cells which were nonadherent had a common,rounded appearance with a cell cycle time of 25-hour and a 19 colony formation rate in soft agar.Electron micrographs demonstrated abundant tonofilaments in the cytoplasm.The karyotype showed a hyperdiploid feature with a main chromosome stem number ranged from 80 to 88.The culture was not contaminated by mycoplasma and had a distinct lactic acid dehydrogenase isozyme pattern.High expression level of p53(31.9%),bcl-2(89.3%) and Ki67(33.7%) proteins was detected by flow cytometry.The xenogeneic tumors were grown in nude mice with the histological structure of the original one. Conclusions The novel CS1213 cells have the characteristics of human cervical squamous cells and could be used as an appropriate cellular model system for studying tumor invasion and metastasis.

Objective To determine the relative factors of the onset of repeated ectopic pregnancy. Methods The clinical data of the first time ectopic pregnancy of 28 cases with repeated ectopic pregnancy were analysed, and compared with those of 56 cases of non-repeated ectopic pregnancy onsetting at the same period. The factors measured included: age at onset of disease, age at first coitus, gravidity, parity, methods of contraception, duration of amenorrhea,duration of vaginal bleeding, serum ?-human chorionic gonadotropin level, volume of intraperitoneal bleeding, types of ectopic pregnancy, methods of therapy and inflammation evidence of fallopian tube. Logistic regression analysis was performed to determine the relative factors for onset of repeated pregnancy. Results The risk factors and its odds ratio (OR) from the multivariate analysis were as follow: anastomosis of the tube(62.74, P=0.043), positive evidence of inflammation of the tube (54.85, P=0.000), no contraception (11.29, P=0.002), contraception by condom occasionally (4.75, P=0.046); the protective factors and its OR were as follow: therapy being salpingectomy and sterilization of the opposite tube(0.06, P=0.049), oral contraception (0.10, P=0.050) and pharmacotherapy (0.33, P=0.002). Conclusions The risk factors of onset of repeated ectopic pregnancy include: anastomosis of the tube, positive evidence of inflammation of the tube, no contraception and contraception by condom occasionally; the protective factors include: therapy being salpingectomy and sterilization of the opposite tube, oral contraception and pharmacotherapy.

Objective To explore the function of placental trophoblast cell apoptosis on the pathogenetic mechanism of pregnancy induced hypertension (PIH). Methods Apoptosis of trophoblast cells in 20 cases of PIH(PIH group) and in 10 cases of normal pregnancy (control group) were directly observed using the terminal-deoxynucleotidyl transferase mediated d-UTP nick end labeling (TUNEL) method. Apoptosis gene expression patterns were screened with gene chip provided by Poxing Company, Shanghai. Standards for differently expressed genes were: (1) An absolute value of the natural logarithm of cy5(PIH group)/cy3(control group) greater than 0.69 with a difference of signal of cy5 2 times over that of cy3. (2) The signal value either cy3 or cy5 must be greater than 800. Results (1) TUNEL test showed that the number of trophoblast cells apoptosis per ten thousand ?m 2 was 1.584 in the PIH group and 0.032 in the control group with significant difference between the two groups (P

Objective To analyse the prevalence, etiology, presentation, preserving ovary and progonosis of cervical cancer in women under 35 years old. Methods The clinical information of 174 patients were retrospectively analysed.Results The percentage of new cervical cancer cases from 1991 to 2001 was 1.2%, 1.2%, 4.3%, 4.2%, 4.6%, 4.5%, 7.3%, 9.0%, 10.7%, 9.4%, 10.8%, respectively( P 0.05).For patients with two or more risk factors, it was 68%, 1/7, respectively ( P

Objective To investigate the follicle development and pregnancy in clomiphene citrate-resistant patients with polycystic ovary syndrome (PCOS) after transvaginal follicular aspiration and gonadotropin administration. Methods Seventeen clomiphene citrate-resistant patients with PCOS failed to gonadotropin treatment associated with ovarian hyperstimulation syndrone(OHSS). They are anovulatory infertility with normal tubal and husbands'sperm condition. In this treatment regimen,all patients was administered with gonadotropin from day 5 of menstrual cycle(or withdrawal bleeding) and were asked to undergo ultrasound-guided transvaginal follicular aspirations for 5 days later. Only one or two follicles for every ovary were remained and gonadotropin administration was continued. A follicle development,ovulation rate,pregnancy rate and sex hormone were monitored. Results Fifteen of the 17 patients experienced dominant follicles development and ovulation. 9 of them with one(52.9%) ,4 with two(23.5%) and 2 with three(11.8%) dominant follicles ovulated and pregnancy occurred in 7 patiends(41.2%). All of pregnancy are singleton. Conclusion A single follicle development and singleton pregnancy can be realized in clomiphene citrate-resistant PCOS patients by combined ultrasound-guided transvaginal follicular asperation with gonadotropin administration.

Objective To study the maternal blood glucose management of gestational diabetes mellitus during the labor and relationship of maternal blood glucose in labor and neonatal blood sugar. Methods A prospective study on maternal blood glucose monitoring and control during labor was carried in 40 pregnant women with abnormal glucose metabolism. We adjusted maternal blood glucose by low-dosage constant insulin drop during labor. Results Maternal blood glucose in labor arranged between 3.8 ～ 11.2 mmol/L,and low-dosage constant insulin drop was used in 17 cases (42.5%). The neonatal blood glucose was (4.0?1.5)mmol/L following delivery and (3.9?1.0)mmol/L at 24-hour postpartum. There were 2 cases with neonatal hypoglycemia. The neonatal blood glucose of the rest 23 cases was (4.2?1.5)mmol/L,and (3.9?1.0)mmol/L at 24-hour postpartum,and 1 case with neonatal hypoglycemia. There was no the difference of the blood glucose level of newborns between mothers with abnormal glucose metabolism and the normal pregnant women. Conclusion It is necessary to monitor and control the blood glucose level by low dose constant insulin during labor in pregnant women with abnormal glucose metabolism.

Objective To investigate the diagnosis,treatment and prognosis of recurrent epithelial ovarian carcinoma. Methods Fifty-two patients with recurrent epithelial ovarian carcinoma who were admitted in Zhongnan Hospital of Wuhan University between 1997 and 2002 were analyzed retrospectively,and their diagnostic methods and the survival rates were compared. Results The positive diagnostic rate of pelvic examination,CA 125 and ultrasound examination was 73.1%,84.6% and 53.8%,respectively to the recurrent epithelial ovarian carcinoma. The median survival time of group A(surgery+chemotherapy) and group B ( chemotherapy) was 11 and 12 months,respectively. Conclusions The diagnostic methods should include pelvic examination,CA 125 and ultrasound examination. We could not know the exact role of surgery to the management and prognosis of recurrent epithelial ovarian carcinoma. Chemotherapy may have an important role to the management and prognosis of recurrent epithelial ovarian carcinoma.

Objective To study the efficacy and side effects of methotrexate with different protocols in the treatment of ectopic pregnancy (EP). Methods Total of 648 patients who had EP and were treated only with MTX were analysed.Patients were divided into six groups according to protocol: Group 1,100 mg intravenously( IV); Group 2,100 mg, IV, followed by citrovorum factor; Group 3, 20 mg, IV every day for five days; Group 4, 20 mg intramusculary (IM) every day for five days; Group 5, 75 mg,IV; Group 6, 75 mg, IM.Results The rates of repeated MTX injection in group1～6 because of inadequate decrease of hCG were 23.3%,25.0%,21.4%,20.6%,24.4% and 22.4% respectively .Success rates were 87.4%,85.4%,90.5%,92.6%,86.3% and 91.4% respectively.Rates of liver dysfunction were 10.3%,8.3%,64.3%,69.1%,8.7% and 31.0%.Conclusion Single-dose of 75mg MTX IV injection may be the best regimen in the treatment of EP because of the same efficacy but the least side effects.