Abstract:
:It has been proposed that knowledge of estrogen receptor beta (ER-beta) expression may refine estrogen receptor alpha (ER-alpha) predictivity of response to endocrine therapy. We challenged this hypothesis in ER-alpha-positive breast cancers subjected to preoperative antiestrogen treatment. Forty-seven elderly (> or =65 years old) women with nonmetastatic, ER-alpha-positive (by immunohistochemistry) primary breast cancers (> 2 cm in diameter) entered a neoadjuvant hormone therapy protocol (60 mg/day toremifene for 3 months). ER-alpha and ER-beta (ERs) mRNA was determined by semiquantitative RT-PCR, before (on core needle biopsy) and after (on surgical specimens) neoadjuvant treatment. Study end points included: (1) relation between treatment response and ER mRNA expression; and (2) changes in ER expression after treatment. The response was clinically assessed as tumor size change at the end of the preoperative treatment. ER mRNA expression was assessable before and after treatment in 38 and 20 cases respectively. ER-beta was co-expressed with ER-alpha at variable levels and significantly correlated only with progesterone receptor (P = 0.0285). Objective clinical response, including patients with minor change (> or =25-<50% tumor shrinkage after treatment), was documented in 68.4% of cases and was independent of ER-beta levels or changes. ER-alpha levels were higher in tumors from patients in complete remission than in those from women achieving partial response or minor change compared with non-responsive patients (median expression values: 801 versus 516 versus 320 arbitrary units) and were consistently down-regulated by preoperative treatment. We conclude that in this elderly patient population with ER-alpha-positive tumors, ER-beta mRNA was neither predictive of response to preoperative toremifene nor provided additional information to the knowledge of ER-alpha mRNA levels, which, conversely, were directly correlated with likelihood of response.
journal_name
Endocr Relat Cancerjournal_title
Endocrine-related cancerauthors
Cappelletti V,Celio L,Bajetta E,Allevi A,Longarini R,Miodini P,Villa R,Fabbri A,Mariani L,Giovanazzi R,Galante E,Greco M,Grazia Daidone Mdoi
10.1677/erc.1.00822subject
Has Abstractpub_date
2004-12-01 00:00:00pages
761-70issue
4eissn
1351-0088issn
1479-6821pii
11/4/761journal_volume
11pub_type
临床试验,杂志文章abstract::Pancreatic neuroendocrine neoplasms (PNENs) constitute a rare tumour entity, and prognosis and treatment options depend on tumour-mediating hallmarks such as angiogenesis, proliferation rate and resistance to apoptosis. The molecular pathways that determine the malignant phenotype are still insufficiently understood a...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1530/ERC-14-0152
更新日期:2014-01-01 00:00:00
abstract::Obesity is a high risk factor for breast cancer. This relationship could be marked by a specific methylome. The current work was aimed to explore the impact of obesity and menopausal status on variation in breast cancer methylomes. Data from Infinium 450K array-based methylomes of 64 breast tumors were coupled with in...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1530/ERC-16-0565
更新日期:2017-07-01 00:00:00
abstract::Cancer cells often display chromosomal instability (CIN), a defect that involves loss or rearrangement of the cell's genetic material - chromosomes - during cell division. This process results in the generation of aneuploidy, a deviation from the haploid number of chromosomes, and structural alterations of chromosomes...
journal_title:Endocrine-related cancer
pub_type: 杂志文章,评审
doi:10.1530/ERC-17-0187
更新日期:2017-09-01 00:00:00
abstract::The androgen receptor (AR) signaling axis drives all stages of prostate cancer, including the lethal, drug-resistant form of the disease termed castration-resistant prostate cancer (CRPC), which arises after failure of androgen deprivation therapy (ADT). Persistent AR activity in spite of ADT and the second-generation...
journal_title:Endocrine-related cancer
pub_type: 杂志文章,评审
doi:10.1530/ERC-16-0422
更新日期:2016-12-01 00:00:00
abstract::Forty years ago, physicians caring for the J-kindred, a 100+ member family with multiple endocrine neoplasia type 2A (MEN2A), hypothesized that early thyroidectomy based on measurement of the biomarker calcitonin could cure patients at risk for development of medullary thyroid carcinoma (MTC). We re-evaluated 22 famil...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1530/ERC-20-0108
更新日期:2020-08-01 00:00:00
abstract::Endometrial cancer is the most common gynecological malignancy in developed countries and represents the eighth leading cause of cancer related death in women. The growing incidence of endometrial cancer leads scientists and oncologists to identify effective preventive measures and also molecular markers for diagnosis...
journal_title:Endocrine-related cancer
pub_type: 杂志文章,评审
doi:10.1677/ERC-08-0266
更新日期:2009-06-01 00:00:00
abstract::The HIV protease inhibitor Nelfinavir (NFV) inhibits PI3K/AKT and MAPK/ERK signaling pathways, emerging targets in thyroid cancers. We examined the effects of NFV on cancer cells that derived from follicular (FTC), papillary (PTC) and anaplastic (ATC) thyroid cancers. NFV (1-20 µM) was tested in FTC133, BCPAP and SW17...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1530/ERC-16-0568
更新日期:2017-03-01 00:00:00
abstract::The destruction of proteins via the ubiquitin-proteasome system is a multi-step, complex process involving polyubiquitination of substrate proteins, followed by proteolytic degradation by the macromolecular 26S proteasome complex. Inhibitors of the proteasome promote the accumulation of proteins that are deleterious t...
journal_title:Endocrine-related cancer
pub_type: 杂志文章,评审
doi:10.1530/ERC-14-0005
更新日期:2015-02-01 00:00:00
abstract::Previous SNP array analyses have revealed genomic alterations of the Notch pathway as being the most frequent abnormality in adrenocortical tumors (ACTs). The aim of the present study was to evaluate the expression of components of Notch signaling in ACTs and to correlate them with clinical outcome. The mRNA expressio...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1530/ERC-15-0163
更新日期:2015-08-01 00:00:00
abstract::The etiology and pathogenesis of renal cell carcinoma (RCC) are only partially understood. Key findings in hereditary RCC, which may be site specific or a component of a syndrome, have contributed to our current understanding. Important heritable syndromes of RCC are those associated with pheochromocytoma, especially ...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1530/ERC-11-0324
更新日期:2012-05-03 00:00:00
abstract::Along with breast and endometrial cancers, thyroid cancer is a major component cancer in Cowden syndrome (CS). Germline variants in SDHB/C/D (SDHx) genes account for subsets of CS/CS-like cases, conferring a higher risk of breast and thyroid cancers over those with only germline PTEN mutations. To investigate whether ...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1530/ERC-14-0537
更新日期:2015-04-01 00:00:00
abstract::Chemotherapy remains the major treatment option for castration-resistant prostate cancer (CRPC) and limited cytotoxic options are available. Inherent chemotherapy resistance occurs in half of all patients and inevitably develops even in those who initially respond. Docetaxel has been the mainstay of therapy for 6 year...
journal_title:Endocrine-related cancer
pub_type: 杂志文章,评审
doi:10.1530/ERC-10-0343
更新日期:2011-07-04 00:00:00
abstract::Endocrine therapy has become the most important treatment option for women with estrogen receptor (ER)-positive breast cancer. Urgently needed are prognostic assays that can identify those who need additional adjuvant therapy, such as signal transduction inhibitors or chemotherapy, for ER-positive early breast cancer....
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1677/ERC-08-0078
更新日期:2008-09-01 00:00:00
abstract::Pituitary tumor-transforming gene 1-binding factor (PTTG1IP; PBF) is a multifunctional glycoprotein, which is overexpressed in a wide range of tumours, and significantly associated with poorer oncological outcomes, such as early tumour recurrence, distant metastasis, extramural vascular invasion and decreased disease-...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1530/ERC-16-0340
更新日期:2017-09-01 00:00:00
abstract::Multiple endocrine neoplasia type 1 (MEN1) is an autosomal dominant disorder characterized in man by parathyroid, pancreatic, pituitary and adrenal tumours. The MEN1 gene encodes a 610-amino acid protein (menin) which is a tumour suppressor. To investigate the in vivo role of menin, we developed a mouse model, by dele...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1677/ERC-09-0082
更新日期:2009-12-01 00:00:00
abstract::We have reported a high prevalence of hypothyroidism in the cutaneous melanoma population, suggesting that the pathologic hormonal environment of hypothyroidism promotes melanoma growth. The objective of this study was to test the hypothesis that TSH, which circulates at elevated levels in hypothyroid individuals, sti...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1677/erc.1.01239
更新日期:2006-12-01 00:00:00
abstract::Insulin-like growth factors (IGFs) are thought to promote tumour progression and metastasis in part by stimulating cell migration. Insulin receptor substrate-1 (IRS-1) and IRS-2 are multisite docking proteins positioned immediately downstream from the type I IGF and insulin receptors. IRS-2 but not IRS-1 has been repo...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1677/ERC-08-0216
更新日期:2009-06-01 00:00:00
abstract::CD74, the invariant chain of major histocompatibility complex class II, is also a receptor for macrophage migration inhibitory factor (MIF). CD74 and MIF have been associated with tumor progression and metastasis in hematologic and solid tumors. In this study, we found that 60 and 65% of papillary thyroid cancers were...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1530/ERC-14-0269
更新日期:2015-04-01 00:00:00
abstract::Computed tomography (CT; unenhanced, followed by contrast-enhanced examinations) is the cornerstone of imaging of adrenal tumours. Attenuation values of <10 Hounsfield units on an unenhanced CT are practically diagnostic for adenomas. When lesions cannot be characterised adequately with CT, magnetic resonance imaging ...
journal_title:Endocrine-related cancer
pub_type: 杂志文章,评审
doi:10.1677/ERC-07-0045
更新日期:2007-09-01 00:00:00
abstract::It is well known that sex steroids play important roles in the development of invasive ductal carcinoma (IDC) of the human breast. However, biological significance of sex steroids remains largely unclear in ductal carcinoma in situ (DCIS), regarded as a precursor lesion of IDC, which is partly due to the fact that the...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1677/ERC-07-0092
更新日期:2008-03-01 00:00:00
abstract::The Hippo signaling pathway has been implicated as a conserved regulator of organ size in both Drosophila and mammals. Yes-associated protein (YAP), the central component of the Hippo signaling cascade, functions as an oncogene in several malignancies. Ovarian granulosa cell tumors (GCT) are characterized by enlargeme...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1530/ERC-13-0339
更新日期:2014-03-04 00:00:00
abstract::Postmenopausal women on estrogen replacement therapy (ERT) have a reduced risk of developing colon cancer compared with postmenopausal women not on ERT, suggesting a role for estradiol (E2) in protection against this disease. To determine whether E2 protects against inflammation-associated colon cancer when administer...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1530/ERC-12-0308
更新日期:2013-06-27 00:00:00
abstract::Malignant growth of small-cell lung carcinoma is promoted by various neuroendocrine autocrine/paracrine loops. Therefore, to interfere with this mitogenic process, it is crucial to elucidate the mechanisms involved. It is known that the oxytocin (OT) and vasopressin (VP) genes, normally transcriptionally restricted in...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1677/erc.1.00803
更新日期:2004-12-01 00:00:00
abstract::The purpose of this study is to investigate the role of carbonic anhydrase IX (CAIX) expression in predicting the response to epirubicin and disease-free survival (DFS) in breast cancer patients enrolled in a single institution trial of primary anthracycline and tamoxifen therapy. CAIX expression was assessed in 183 p...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1677/erc.1.01216
更新日期:2006-09-01 00:00:00
abstract::Long-term culture of MCF-7 wild-type (wt) cells in steroid-depleted medium (LTED) results in hypersensitivity to oestradiol (E2) coinciding with elevated levels of ERalpha and enhanced growth factor signalling. In this study, we aimed to compare the effects of the pure anti-oestrogen ICI 182,780 (ICI) with the competi...
journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1677/erc.1.00905
更新日期:2005-12-01 00:00:00
abstract::The aim of this randomized multicenter phase III trial was to compare chemotherapy and interferon (IFN) in patients with metastatic carcinoid tumors. Patients with documented progressive, unresectable, metastatic carcinoid tumors were randomized between 5-fluorouracil plus streptozotocin (day 1-5) and recombinant IFN-...
journal_title:Endocrine-related cancer
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1677/ERC-09-0104
更新日期:2009-12-01 00:00:00
abstract::Neuroendocrine neoplasms (NEN) are a class of tumours heterogeneous in terms of their anatomical sites of origin and clinical behaviour. Outdated perspectives of indolence have been superseded by appreciation for their myriad clinical challenges, such as the high rates of regional and distant metastases at initial dia...
journal_title:Endocrine-related cancer
pub_type: 杂志文章,评审
doi:10.1530/ERC-20-0074
更新日期:2020-09-01 00:00:00
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journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1677/erc.1.01088
更新日期:2005-12-01 00:00:00
abstract::Obesity is associated with a range of health outcomes that are of clinical and public health significance, including cancer. Herein, we summarize epidemiologic and preclinical evidence for an association between obesity and increased risk of breast and prostate cancer incidence and mortality. Moreover, we describe dat...
journal_title:Endocrine-related cancer
pub_type: 杂志文章,评审
doi:10.1530/ERC-15-0400
更新日期:2015-12-01 00:00:00
abstract::Ghrelin is a hormone with multiple physiologic functions, including promotion of growth hormone release, stimulation of appetite and regulation of energy homeostasis. Treatment with ghrelin/ghrelin-receptor agonists is a prospective therapy for disease-related cachexia and malnutrition. In vitro studies have shown hig...
journal_title:Endocrine-related cancer
pub_type: 杂志文章,评审
doi:10.1530/ERC-16-0130
更新日期:2016-09-01 00:00:00