Abstract:
OBJECTIVE:To investigate the tumorigenesis of mutant [12Asp]-K-ras in endometrial carcinoma and its relationship with ER. METHODS:We constructed pcDI-[12Asp]K-ras4B by inserting full-length [12Asp]K-ras4B from human endometrial carcinoma Hec-1A cells, into pcDI vector. Cell proliferation of NIH3T3 after transfection with pcDI-[12Asp]K-ras4B was measured by MTT assay. The cell transformation was determined by colony formation and tumor nodule development. [12Asp]-K-ras4B-NIH3T3 cells were transfected with constitutively active pCMV-RafCAAX and dominant-negative pCMV-RafS621A. Cell growth was measured by MTT assay and [3H]thymidine incorporation. After transfected with pcDI-[12Asp]K-ras4B or pCMV-RafS621A, the cells were harvested for Western blot and reporter assay to determine the expression and transcriptional activity of ERalpha and ERbeta, respectively. RESULTS:[12Asp]-K-ras4B enhanced NIH3T3 cells proliferation after 48 h post-transfection (P < 0.05). More colonies were grown 10 days after incubating pcDI-[12Asp]-K-ras4B-NIH3T3 cells (13.48%) than pcDI-NIH3T3 (4.26%) or untreated NIH3T3 (2.33%). The pcDI-[12Asp]-K-ras4B-NIH3T3 cells injected to the nude mice Balb/C developed tumor nodules with poor-differentiated cells after 12 days. An increase of ERalpha and ERbeta was observed in pcDI-[12Asp]-K-ras4B-NIH3T3 cells. RafS621A downregulated ERalpha and ERbeta expression. Estrogen induced the ER transcriptional activity by 5-fold in pcDI-NIH3T3 cells, 13-fold in pcDI-[12Asp]K-ras4B-NIH3T3 and 19-fold in HEC-1A. RafS621A suppressed the ER transcriptional activity. CONCLUSIONS:K-ras mutation induces tumorigenesis in endometrium, and this malignant transformation involves Raf signaling pathway and ER.
journal_name
Gynecol Oncoljournal_title
Gynecologic oncologyauthors
Tu Z,Gui L,Wang J,Li X,Sun P,Wei Ldoi
10.1016/j.ygyno.2005.10.016subject
Has Abstractpub_date
2006-05-01 00:00:00pages
274-9issue
2eissn
0090-8258issn
1095-6859pii
S0090-8258(05)00906-6journal_volume
101pub_type
杂志文章abstract:OBJECTIVE:To determine if DNA ploidy, hormone receptors, vascular space invasion (VSI), perivascular lymphocytes (PVL), and the oncogenes HER-2/neu, p53, and bcl-2 are independent prognostic indicators for lymph node metastasis and cancer recurrence in clinical stage I endometrial carcinoma. METHODS:Among 349 patients...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1006/gyno.1997.4788
更新日期:1997-09-01 00:00:00
abstract:OBJECTIVE:Advanced ovarian cancer (OC) commonly spreads to cardiophrenic lymph nodes (CPLNs), and is often visible on preoperative imaging. We investigated the prognostic significance of abnormal CPLNs in OC detected by preoperative CT scans using three different definitions. METHODS:Patients undergoing primary debulk...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2017.10.024
更新日期:2018-01-01 00:00:00
abstract::In the field of gynecologic oncology, surgical intervention has been the traditional management of postoperative abdominal hemorrhage. Recently, arterial embolization has been reported to effectively control vaginal hemorrhage associated with gynecologic malignancy, obstetrical trauma, and hysterectomy. This study rep...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/0090-8258(89)90127-3
更新日期:1989-08-01 00:00:00
abstract:BACKGROUND:Evidence on the incidence and risk factors for lower limb lymphedema (LLL) associated with endometrial cancer is limited. Our objective was to use data from a prospective, longitudinal gynecological cancer cohort study to determine LLL incidence up to 24 months post-diagnosis of endometrial cancer and to exp...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2020.04.702
更新日期:2020-08-01 00:00:00
abstract:OBJECTIVES:Several predictive factors for lymph node spread in endometrial cancer have been identified including tumor grade, depth of invasion, lymphatic or vascular-space invasion, and histologic subtype. Lower uterine segment involvement may also be predictive of lymph node spread. The objective of this study was to...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2007.05.026
更新日期:2007-10-01 00:00:00
abstract:OBJECTIVE:Since 1999, patients with low risk endometrial cancer (EC) as defined by the Mayo criteria have preferably not undergone lymphadenectomy (LND) at our institution. Here we prospectively assess survival, sites of recurrence, morbidity, and cost in this low risk cohort. METHODS:Cause-specific survival (CSS) was...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2012.06.035
更新日期:2012-10-01 00:00:00
abstract::Twelve patients with recurrent squamous cell carcinoma of the cervix restricted to the pelvis were treated with intra-arterial infusion of carboplatin. The initial carboplatin dose was 300 mg/m2, every 4 weeks, and the dose was escalated to 450 mg/m2. Myelosuppression was the dose-limiting toxicity at the 450 mg/m2 do...
journal_title:Gynecologic oncology
pub_type: 临床试验,杂志文章
doi:10.1006/gyno.1994.1136
更新日期:1994-06-01 00:00:00
abstract:OBJECTIVE:The study was performed to evaluate the results of treatment of ovarian carcinoma after the introduction of centralised primary surgery in the County of North Jutland, Denmark. METHOD:Prospective study of consecutive cases of ovarian cancer undergoing primary surgical treatment at the Gynecologic Oncologic C...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2005.07.121
更新日期:2005-12-01 00:00:00
abstract:OBJECTIVE:To evaluate the efficacy and safety of involved-field radiation therapy (IFRT) in patients with locoregionally confined recurrent or persistent epithelial ovarian cancer. METHODS:This study included patients with recurrent epithelial ovarian cancer eligible for IFRT either during diagnosis of the recurrence ...
journal_title:Gynecologic oncology
pub_type: 杂志文章,多中心研究
doi:10.1016/j.ygyno.2018.08.012
更新日期:2018-10-01 00:00:00
abstract:BACKGROUND:Endometrial polyps are the most common endometrial pathology described in association with postmenopausal tamoxifen exposure. It is generally accepted that the occurrence of malignancy in endometrial polyps among healthy women is up to 0.5%. However, no one has yet described the incidence of this malignant t...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1006/gyno.1999.5558
更新日期:1999-10-01 00:00:00
abstract:OBJECTIVE:To determine whether chemotherapy-induced neutropenia (C-iN) is associated with improved survival in a population of primary advanced ovarian cancer and peritoneal carcinoma patients treated with a carboplatin plus paclitaxel chemotherapy backbone. METHODS:A post-hoc exploratory analysis of Gynecologic Oncol...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2014.03.013
更新日期:2014-06-01 00:00:00
abstract::Studies using serological and culture techniques indicate that chlamydial infection is frequently associated with cervical intraepithelial neoplasia (CIN). This relationship was investigated by examining a series of biopsies containing normal epithelium, non-neoplastic condylomatous epithelium, and neoplastic epitheli...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/0090-8258(84)90163-x
更新日期:1984-09-01 00:00:00
abstract:OBJECTIVE:Doxorubicin has reported activity in advanced and recurrent cervical cancer but hematologic toxicity has limited its use in some combinations. To determine the level of activity and potential for use in future combinations, a phase II trial of pegylated liposomal doxorubicin as second-line therapy in advanced...
journal_title:Gynecologic oncology
pub_type: 杂志文章,多中心研究
doi:10.1016/j.ygyno.2005.11.048
更新日期:2006-08-01 00:00:00
abstract:OBJECTIVES:The objectives of this study were twofold: (1) to estimate the anti-tumor efficacy of CI-958 in patients with measurable platinum-resistant ovarian cancer; (2) to determine the nature and degree of toxicity of CI-958 in these patients. METHODS:Patients received CI-958 560 mg/m(2) intravenously every 3 weeks...
journal_title:Gynecologic oncology
pub_type: 临床试验,杂志文章,多中心研究
doi:10.1006/gyno.2000.5984
更新日期:2000-12-01 00:00:00
abstract:OBJECTIVE:To determine the effectiveness of chemotherapy alone as postoperative adjuvant therapy for intermediate- and high-risk cervical cancer. METHODS:The study group comprised of 65 consecutive patients with stage IB or IIA squamous cell or adenosquamous cervical cancer who were initially treated with radical hyst...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2006.04.019
更新日期:2006-11-01 00:00:00
abstract:OBJECTIVE:Although the incidence of cervical adenocarcinoma is increasing, few genetic and epigenetic changes in its progression have been described. We hypothesized that RASSF1A methylation and KRAS and BRAF mutations may play an important role in cervical adenocarcinoma. METHODS:Archival primary carcinoma tissues (n...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2007.01.045
更新日期:2007-06-01 00:00:00
abstract:BACKGROUND:According to current treatment guidelines, comprehensive surgical staging procedures in endometrial cancer confined to the uterus depend on uterine risk factors: a systematic lymph node dissection (LND) is recommended in high risk patients and should be omitted in low risk patients. Its role in intermediate ...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2019.04.002
更新日期:2019-07-01 00:00:00
abstract:OBJECTIVE:Molecular chaperone 78 kDa glucose-regulated protein (GRP78) is a residential protein in the endoplasmic reticulum (ER) that is induced by an unfolded-protein response triggered under many kinds of stress against a cell. GRP78 is also known to act as an anti-apoptotic factor by protecting ER-stress-induced ce...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2012.04.025
更新日期:2012-07-01 00:00:00
abstract:OBJECTIVE:BRCA1 mutation carriers have a high rate of both breast and ovarian cancer. Tamoxifen is a selective estrogen receptor modulator (SERM), which is used for the treatment of primary breast cancer and for the prevention of contralateral breast cancer. Our objective is to assess if tamoxifen treatment is associat...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2009.06.012
更新日期:2009-10-01 00:00:00
abstract:OBJECTIVE:To evaluate the association between lymphopenia and survival in women with cervical cancer treated with primary chemoradiation. METHODS:A single institution, retrospective analysis of patients with stage IB2-IVA cervical cancer who received upfront chemoradiation from 1998 to 2013 was performed. Complete blo...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2015.11.013
更新日期:2016-01-01 00:00:00
abstract:OBJECTIVE(S):To determine the feasibility of integrating an in vitro chemo-radiation response assay (IVRRA) with a gene microarray system to investigate the molecular patterns of expression that contribute to radiation resistance in cervical cancer. METHODS:Viable primary untreated cervical cancer specimens were obtai...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2005.05.043
更新日期:2005-10-01 00:00:00
abstract::A 65-year-old woman had a total abdominal hysterectomy and bilateral salpingo-oophorectomy through a Pfannenstiel incision for a Stage Ib, Grade 2 endometrial adenocarcinoma with extension to the middle third of the myometrium. No adjuvant treatment was given. She presented 7 years later with a large suprapubic mass a...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1006/gyno.1994.1147
更新日期:1994-06-01 00:00:00
abstract:OBJECTIVES:We aimed to determine the sentinel lymph node detection rates, accuracy in predicting the status of lymph node metastasis, and if pathologic ultrastaging improves the detection of micrometastases and isolated tumor cells at the time of primary surgery for cervical cancer. METHODS:A prospective, non-randomiz...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2010.12.334
更新日期:2011-03-01 00:00:00
abstract:INTRODUCTION:Vulvar squamous cell carcinoma (VSCC) commonly metastasises through groin lymphatics. However, the use of pre-operative imaging in detecting inguinal nodal metastasis before staging surgery or to triage patients for sentinel node biopsy remains unclear. Here, we investigated if pre-operative CT scan, the i...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2020.01.031
更新日期:2020-05-01 00:00:00
abstract:OBJECTIVE:For many years, BRCA mutational status has only been considered as a predictor of ovarian cancer susceptibility and as a prognostic factor. Nonetheless, in the era of precision medicine, it has also become a predictive biomarker of response to platinum-based-chemotherapy and, more recently, to PARP-inhibitors...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2020.06.479
更新日期:2020-09-01 00:00:00
abstract:OBJECTIVE:The risk of developing endometrial cancer is reduced with increasing parity. The purpose of this study was to investigate the possibility that maternal immunization against fetal antigens might be elicited during pregnancy and, if so, to characterize antigens reactive with this immune response. METHODS:Sera ...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1006/gyno.1998.4988
更新日期:1998-07-01 00:00:00
abstract:OBJECTIVE:The purpose of this study was to profile cervical squamous cell carcinoma in elderly patients undergoing radiation therapy and to study the treatment outcome and side effects of therapy. MATERIALS AND METHODS:A retrospective analysis was carried out from the records of 380 patients with squamous cell carcino...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1006/gyno.1999.5722
更新日期:2000-04-01 00:00:00
abstract::Between 1969 and 1988, 401 patients were treated by radical hysterectomy and pelvic lymphadenectomy for Stage IB cervical carcinoma at the University of Alabama at Birmingham. In multivariate analysis, pathological tumor diameter (P less than 0.0001) and the presence of lymph node metastasis (P = 0.0005) proved to be ...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/0090-8258(91)90054-9
更新日期:1991-11-01 00:00:00
abstract:OBJECTIVES:We aimed to define the site-specific patterns of treatment failure in stage IV ovarian cancer. METHODS:Data from all consecutive Mayo Clinic patients with stage IV epithelial ovarian cancer, from 1994 through 2003, were collected and analyzed. Statistical analyses included the chi(2) test and Kaplan-Meier c...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2008.09.010
更新日期:2009-01-01 00:00:00
abstract:OBJECTIVE:Cone margin status has been reported to be the most important predictor of residual disease in patients with cervical intraepithelial neoplasia (CIN) undergoing electrosurgical excisional treatment. The primary aim of this study of patients treated with electrosurgical conization was to evaluate the associati...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1006/gyno.2001.6579
更新日期:2002-04-01 00:00:00