Abstract:
OBJECTIVES:New treatment options for advanced and recurrent endometrial carcinoma (EC) are necessary. Epidemiological studies showed that diabetic patients using metformin have reduced risks of endometrial cancer (EC) incidence. Moreover, pre- and clinical studies demonstrated an antitumor effect by metformin, with and without additional treatments, for different solid malignancies. However, cancer cell-autonomous effects of metformin on EC have not been fully characterized yet. The aim of this study was to investigate the effect of metformin, with or without carboplatin, on patient-derived primary endometrioid EC cells xenografted in nude mice, to assess its ability to reduce or impair growth in already established tumors. METHODS:Two xenograft models were established by subcutaneous inoculation of primary endometrioid EC cell suspensions. Tumors were allowed to grow and then mice were treated with metformin (250 mg/kg, daily, p.o.), carboplatin (50 mg/kg, 1×/week, i.p.), or the combination of both compounds at the same concentration as single treatment, for three weeks. Effects of metformin treatment on the tumor mass were determined by tumor growth follow-up. Metformin influences on AMPK/mTOR cell signaling were evaluated by investigating AKT, AMPK and S6 phosphorylation levels. RESULTS:In vivo, metformin did not affect the growth of EC tumors established from patient-derived primary cultures and the phosphorylation of AKT, AMPK and S6. In addition, no enhanced antitumor effect was determined by combining metformin and carboplatin treatments. CONCLUSIONS:Metformin, at clinically relevant concentrations, did not show effects on the growth of already established tumors. Adding metformin to carboplatin did not have synergistic effects.
journal_name
Gynecol Oncoljournal_title
Gynecologic oncologyauthors
Schrauwen S,Coenegrachts L,Cattaneo A,Hermans E,Lambrechts D,Amant Fdoi
10.1016/j.ygyno.2015.06.006subject
Has Abstractpub_date
2015-08-01 00:00:00pages
378-82issue
2eissn
0090-8258issn
1095-6859pii
S0090-8258(15)30027-5journal_volume
138pub_type
杂志文章abstract::The objective of this study was to evaluate the prognostic value of a convenient nuclear grading system based on only the proportion of nuclei measuring more than 10 microm in length at the shortest axis in endometrial carcinomas. Of the 235 cases reviewed, 9 serous and 5 clear cell adenocarcinomas and 2 small cell ca...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1006/gyno.1997.4631
更新日期:1997-04-01 00:00:00
abstract::Mixed Müllerian tumors (MMT) of the uterus are aggressive entities that result in a very poor prognosis even for patients in whom the disease is limited to the uterus. This phase II trial was undertaken in an attempt to improve overall survival as well as progression-free survival of these patients. Forty-two consecut...
journal_title:Gynecologic oncology
pub_type: 临床试验,杂志文章
doi:10.1006/gyno.1995.1065
更新日期:1995-03-01 00:00:00
abstract:OBJECTIVE:The aim of this study was to evaluate the 5-year survival probability (SP) of patients treated for ovarian clear cell adenocarcinoma (OCCA) at a single tertiary institution and to compare it to the 5-year SP of patients with other histologic subtypes of epithelial ovarian cancer. METHODS:Sixty-four patients ...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1006/gyno.1999.5445
更新日期:1999-07-01 00:00:00
abstract:BACKGROUND:Malignant germ cell tumors of the ovary are often curative after conservative surgery and adjuvant chemotherapy. Persistent tumors despite normalization of serum tumor markers may represent retroconversion to benign masses, but this is rare in ovarian tumors without teratoma elements. The management in such ...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1006/gyno.2001.6541
更新日期:2002-03-01 00:00:00
abstract::Phase 2 trials employing several antineoplastic agents have demonstrated that surgically documented responses, including complete responses, can result when patients with ovarian cancer are treated by the intraperitoneal route in the salvage setting following initial systemic chemotherapy. Activity is essentially limi...
journal_title:Gynecologic oncology
pub_type: 杂志文章,评审
doi:10.1006/gyno.1993.1251
更新日期:1993-10-01 00:00:00
abstract:BACKGROUND:The incidence of postoperative delirium (PD) in the elderly ranges between 3-60% but has never been examined in gynecologic oncology. Our goal was to identify pre, intra, and postoperative risk factors associated with the development of PD. METHODS:English speaking women of 60 years and above undergoing maj...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2008.02.016
更新日期:2008-05-01 00:00:00
abstract:OBJECTIVE:This study investigated the expression of cellular apoptosis susceptibility protein (CAS) in serous ovarian carcinoma by immunohistochemistry and compared it with topoisomerase IIalpha (topo IIalpha), bcl-2, bcl-x, the frequency of apoptotic bodies (ABI), mitotic activity, and c-erbB-2 with regard to clinicop...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2003.10.029
更新日期:2004-01-01 00:00:00
abstract:OBJECTIVE:The objective of this study was to determine the incidence of thrombocytosis in epithelial ovarian carcinoma and examine associations with clinico-pathologic features. Thrombocytosis (platelet counts >400 x 10(9)/l) has been identified as a poor prognostic factor in many cancers. Platelet-secreted factors may...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2003.09.002
更新日期:2004-01-01 00:00:00
abstract:OBJECTIVE:To conduct a systematic review of the literature regarding the systemic treatment of advanced uterine sarcoma and provide an evidence-based summary of the available literature. METHODS:MEDLINE, EMBASE, and the Cochrane Library databases were searched. "Uterine sarcoma," "leiomyosarcoma," "mixed mesodermal tu...
journal_title:Gynecologic oncology
pub_type: 杂志文章,评审
doi:10.1016/j.ygyno.2005.01.041
更新日期:2005-05-01 00:00:00
abstract:OBJECTIVES:To compare survival of Hispanic white (HW) and non-Hispanic white (NHW) women with type II endometrial adenocarcinoma (EC). METHODS:Patients with serous, clear cell or grade 3 endometrioid EC were identified from the Surveillance, Epidemiology, and End Results (SEER) program 1988-2009 and were divided into ...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2014.03.562
更新日期:2014-06-01 00:00:00
abstract::Although patients with widely disseminated endometrial adenocarcinoma can have tumor involving the intestine, a focal metastasis to the small bowel with no other evidence of extra-uterine spread has not been reported. A patient with a clinical stage IB, grade 2 superficially invasive endometrial adenocarcinoma was fou...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1006/gyno.1994.1019
更新日期:1994-01-01 00:00:00
abstract:OBJECTIVE:PTEN, a tumor suppressor gene shown to be frequently mutated in endometrial cancers, has been suggested to be a target of microsatellite instability (MSI)-driven mutagenesis. We set out to investigate the relationship between MSI and PTEN mutation in a large series of primary endometrial carcinomas. METHODS:...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1006/gyno.2000.5900
更新日期:2000-10-01 00:00:00
abstract:BACKGROUND:Leiomyosarcoma (LMS) of the uterus is a rare neoplasm with an aggressive growth pattern. Although the majority of uterine LMS is diagnosed with disease confined to the uterus, the rate of recurrent disease is high. The most common sites of recurrent disease are lung, liver, and peritoneal cavity. The rate of...
journal_title:Gynecologic oncology
pub_type: 杂志文章,评审
doi:10.1016/j.ygyno.2003.10.043
更新日期:2004-02-01 00:00:00
abstract:OBJECTIVES:The precise role of gonadotropins in the carcinogenesis of epithelial ovarian cancer remains uncertain. Recently, the haplotype of two single nucleotide polymorphisms, Thr307Ala (rs6165) and Asn680Ser (rs6166), has been described as a risk factor for ovarian cancer in Chinese women. In this study we investig...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2008.12.011
更新日期:2009-03-01 00:00:00
abstract::The records of 123 patients with Stage I cervical cancer who underwent radical hysterectomy with pelvic lymphadenectomy and para-aortic node sampling from 1981 to 1988 were reviewed to assess the risks of surgery associated with increasing weight and age. Fifty-four patients were obese (20% or more over ideal body wei...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/0090-8258(92)90312-7
更新日期:1992-06-01 00:00:00
abstract:OBJECTIVE:Bilateral oophorectomy (BOE) is often recommended in order to prevent cancer at hysterectomy for non-malignant diseases and when familial risk of ovarian and breast cancer has been identified. Surgical menopause increases the risk of cardiovascular mortality, however, the intervening mechanisms are not clear....
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2008.02.025
更新日期:2008-06-01 00:00:00
abstract::Monoclonal antibody rp-28 directed against the ras gene product p21 has been studied to evaluate ras p21 expression in malignant and benign ovarian tissues. Some ovarian carcinomas of serous and mucinous cystadenocarcinomas, undifferentiated adenocarcinomas, and clear cell carcinomas demonstrated intense staining of r...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/0090-8258(92)90194-n
更新日期:1992-07-01 00:00:00
abstract:OBJECTIVE:Many studies have examined the relationship between worry and cancer screening. Due to methodological inconsistencies, results of these studies have varied and few conclusions can be made when generalizing across studies. The purpose of the current study was to better understand the worry-cancer screening rel...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2016.11.047
更新日期:2017-02-01 00:00:00
abstract:OBJECTIVE:The aim of this study was to define the clinical-therapeutical approach to endometrial cancer now being followed in some of the most important centers of reference for gynecological cancer in North America by means of a questionnaire. STUDY DESIGN:The questionnaire focused on four principal areas: (1) surgic...
journal_title:Gynecologic oncology
pub_type: 杂志文章,多中心研究
doi:10.1006/gyno.1998.4951
更新日期:1998-03-01 00:00:00
abstract:OBJECTIVES:The role of adjuvant therapy in patients with early stage ovarian carcinoma has not been clearly defined. Most randomized trials examining this issue have not used the vigorous staging exploration accepted as today's standard. This report examines the natural history of patients after surgically documented s...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1006/gyno.1999.5440
更新日期:1999-08-01 00:00:00
abstract:OBJECTIVE:This study aims to identify favorable preoperative characteristics and examine the impact of secondary cytoreductive surgery on survival for patients with recurrent epithelial ovarian carcinoma. METHODS:Patients who underwent cytoreductive surgery for recurrent epithelial ovarian cancer were identified in ou...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2007.04.006
更新日期:2007-09-01 00:00:00
abstract:OBJECTIVE:Australia's HPV vaccination and HPV-based cervical screening programs are changing the landscape in cervical cancer prevention. We aim to identify areas which can make the biggest further impact on cervical cancer burden. This protocol describes the first stage of a program of work called Pathways-Cervix that...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2018.12.019
更新日期:2019-03-01 00:00:00
abstract:OBJECTIVE:To assess the incidence of vulvar high-grade precancerous lesions and cancer in Denmark during 1997-2018. METHODS:We identified incident vulvar cancer cases in the Danish Cancer Registry and incident cases of vulvar precancerous lesions in the Danish Pathology Register. We calculated age-standardized inciden...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2020.03.030
更新日期:2020-06-01 00:00:00
abstract:OBJECTIVE:The objective of this study was to evaluate the ability of the American College of Surgeons (ACS) National Surgical Quality Improvement Program (NSQIP) surgical risk calculator to predict complications in gynecologic oncology patients undergoing laparotomy. METHODS:A chart review of patients who underwent la...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1016/j.ygyno.2016.02.015
更新日期:2016-05-01 00:00:00
abstract:OBJECTIVE:The aim of this study is to evaluate the efficacy of intraperitoneal cisplatin as consolidation treatment in epithelian ovarian cancer patients with complete pathologic response following front-line platin-based chemotherapy. PATIENTS AND METHODS:Thirty patients who had no evidence of disease as assessed by ...
journal_title:Gynecologic oncology
pub_type: 临床试验,杂志文章
doi:10.1016/j.ygyno.2003.10.002
更新日期:2004-01-01 00:00:00
abstract::Practice changing standardization of lower extremity lymphedema quantitative measurements with integrated patient reported outcomes will likely refine and redefine the optimal risk-reduction strategies to diminish the devastating limb-related dysfunction and morbidity associated with treatment of gynecologic cancers. ...
journal_title:Gynecologic oncology
pub_type: 杂志文章,评审
doi:10.1016/j.ygyno.2020.10.026
更新日期:2021-02-01 00:00:00
abstract::Endometrial carcinoma is the most common gynecologic malignancy and the fourth most prevalent cancer in women in the modern world. Despite a relatively high chance of surgical cure, for patients with advanced or recurrent disease there are few therapeutic options. Angiogenesis has been extensively studied ever since v...
journal_title:Gynecologic oncology
pub_type: 杂志文章,评审
doi:10.1016/j.ygyno.2020.12.016
更新日期:2020-12-26 00:00:00
abstract:OBJECTIVE:The aim of this study was to determine prognostic factors of metachronous Krukenberg's tumors of gastric origin, thereby helping to establish a therapeutic plan for this rare entity. METHODS:Thirty-four female patients who underwent curative resection of gastric carcinoma from 1987 through 1996 and subsequen...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1006/gyno.2001.6210
更新日期:2001-07-01 00:00:00
abstract:BACKGROUND:Ovarium cancer is the fifth most common cause of cancer-related death in women and is the most common fatal gynecologic malignancy. So far, ovarium carcinoma has not been reported to have occurred in female-to-male transsexuals. OBJECTIVE AND METHOD:We report on two such cases. Long-term exposure to increas...
journal_title:Gynecologic oncology
pub_type: 杂志文章
doi:10.1006/gyno.1999.5720
更新日期:2000-03-01 00:00:00
abstract::Choriocarcinoma of the nonmolar placenta is presumptively a rare entity and is usually associated with widespread maternal metastases at the time of diagnosis. Nonmetastatic disease goes unrecognized and undiagnosed because placental carcinoma can be limited to a few villi, and grossly evident disease is often misinte...
journal_title:Gynecologic oncology
pub_type: 杂志文章,评审
doi:10.1016/0090-8258(92)90264-j
更新日期:1992-08-01 00:00:00