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Metastasic Breast Cancer

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https://www.readbyqxmd.com/read/29684350/down-regulation-of-traf4-targeting-rsk4-inhibits-proliferation-invasion-and-metastasis-in-breast-cancer-xenografts
#1
Lingyu Zhu, Suisui Zhang, Xuejie Huan, Yan Mei, Huawei Yang
Ribosomal S6 protein kinase 4 (RSK4) was known as a novel tumor suppressor gene, and the tumor necrosis factor receptor-associated factor 4 (TRAF4) was linked to carcinogenesis. The purpose of this study is to further investigate the effect of the TRAF4 gene on cell proliferation, invasion and metastasis in vivo and explore whether there is an interaction between TRAF4 and RSK4 in breast cancer. MDA-MB-231 cells were transfected with lentivirus TRAF4-shRNA to specifically block the expression of TRAF4, or transfected with lentivirus negative-shRNA as a negative control...
April 20, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29682514/cutaneous-metastases-of-breast-cancer-during-adjuvant-chemotherapy-correlates-with-increasing-cd44-cd24-and-aldh-1-expression-a-case-report-and-literature-review
#2
Jung Sun Lee, Woo Gyeong Kim
Cancer stem cells (CSCs) within a tumor are scarce and self-sustaining and they have the abilities for self-renewal and the potential of giving rise to diverse types of cells that compose the tumor. These cells are suggested to be associated with therapeutic failure, and therefore they remain as an important issue in this regard. We report the cases of two breast cancer patients diagnosed with rapid cutaneous metastases during adjuvant cytotoxic chemotherapy after curative mastectomy. For elucidating a relationship between CSCs and resistance to chemotherapy, we evaluated primary tumor and metastatic cutaneous lesions by CSC markers in immunohistochemical stains (CD44+ /CD24- and ALDH-1)...
2018: Stem Cell Investigation
https://www.readbyqxmd.com/read/29681814/non-gestational-choriocarcinoma-with-widespread-metastases-presenting-with-type-1-respiratory-failure-in-a-39-year-old-female-case-report-and-review-of-the-literature
#3
Louisa Stockton, Elizabeth Green, Baljeet Kaur, Emma De Winton
Introduction: Non-gestational choriocarcinoma (NGCC) is an extremely rare cancer. We report a case presenting in extremis. Case Report: A 39-year-old woman presented with type 1 respiratory failure with a 1-month history of breathlessness. Computed tomography (CT) revealed widespread metastatic disease involving the lungs, liver, pancreas, and breast. Serum β-human chorionic gonadotropin was markedly raised. Over 72 h, she deteriorated and was started on high-flow nasal cannula to facilitate discussions and for comfort...
January 2018: Case Reports in Oncology
https://www.readbyqxmd.com/read/29680193/phase-ii-study-of-paclitaxel-and-dasatinib-in-metastatic-breast-cancer
#4
Patrick G Morris, Selene Rota, Karen Cadoo, Stephen Zamora, Sujata Patil, Gabriella D'Andrea, Theresa Gilewski, Jacqueline Bromberg, Chau Dang, Maura Dickler, Shanu Modi, Andrew D Seidman, Nancy Sklarin, Larry Norton, Clifford A Hudis, Monica N Fornier
BACKGROUND: Overexpression and activation of tyrosine kinase Src has been linked to breast carcinogenesis and bone metastases. We showed the feasibility of combining the SRC inhibitor dasatinib with weekly paclitaxel in patients with metastatic breast cancer (MBC) and herein report the subsequent phase II trial. PATIENTS AND METHODS: Patients had received ≤ 2 chemotherapy regimens for measurable, HER2-negative MBC. Patients received paclitaxel and dasatinib (120 mg daily) and were assessed according to Response Evaluation Criteria in Solid Tumors for overall response rate (ORR), the primary end point...
March 15, 2018: Clinical Breast Cancer
https://www.readbyqxmd.com/read/29678476/cabazitaxel-plus-lapatinib-as-therapy-for-her2-metastatic-breast-cancer-with-intracranial-metastases-results-of-a-dose-finding-study
#5
Denise A Yardley, Lowell L Hart, Patrick J Ward, Gail L Wright, Mythili Shastry, Lindsey Finney, Laura M DeBusk, John D Hainsworth
BACKGROUND: Lapatinib is an oral small molecule tyrosine kinase epidermal growth factor receptor-1/HER2 inhibitor that crosses the blood-brain barrier and is active against central nervous system (CNS) metastases. Cabazitaxel is a taxoid that is effective against taxane-resistant metastatic breast cancer (MBC) and has distinguished itself by its ability to cross the blood-brain barrier. The present phase II study (ClinicalTrials.gov identifier, NCT01934894) evaluated the combination of these agents to treat HER2+ MBC patients with CNS metastases...
March 8, 2018: Clinical Breast Cancer
https://www.readbyqxmd.com/read/29675790/patterns-of-breast-cancer-relapse-in-accordance-to-biological-subtype
#6
Atanas Ignatov, Holm Eggemann, Elke Burger, Tanja Ignatov
PURPOSE: To evaluate the pattern of recurrence of breast cancer according to its biological subtype in a large cohort of patients treated with therapy representative of current practice. PATIENTS AND METHODS: Patients treated between 2000 and 2016 with known biological subtype were eligible. Data were prospectively collected. Primary endpoint was the subtype-dependent pattern and time of recurrence. Loco-regional and distant site and time of recurrence were assessed...
April 19, 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29674005/breast-cancer-cutaneous-metastases-mimicking-papilloma-cutis-lymphostatica-biopsy-to-avoid-pitfalls
#7
Giuseppe Giudice, Michelangelo Vestita, Fabio Robusto, Paolo Annoscia, Francesco Ciancio, Eleonora Nacchiero
INTRODUCTION: Secondary lymphedema is the most frequent long-term complication of axillary lymphadenectomy. It can result in complication as erysipelas, warts, Papilloma Cutis Lymphostatica (PCL), or angiosarcomas. Moreover, in women affected by breast cancer an accurate differential diagnosis among these conditions or complication related to radiation dermatitis or cutaneous metastasis is essential. PRESENTATION OF CASE: We report the case of a 60-year-old postmenopausal Caucasian woman affected by secondary lymphedema following complete mastectomy for breast cancer...
April 10, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29673795/electrochemotherapy-for-breast-cancer-results-from-the-inspect-database
#8
Louise Wichmann Matthiessen, Mohammed Keshtgar, Pietro Curatolo, Christian Kunte, Eva-Maria Grischke, Joy Odili, Tobian Muir, David Mowatt, James P Clover, Se Hwang Liew, Karin Dahlstroem, Jackie Newby, Valerie Letulé, Eva Stauss, Alison Humphreys, Shramana Banerjee, Annette Klein, Roberta Rotunno, Francesca de Terlizzi, Julie Gehl
BACKGROUND: Cutaneous recurrence from breast cancer can pose a clinical challenge. It might be the only disease site, or could be part of disseminated disease, and often profoundly affects quality of life. Electrochemotherapy is a palliative treatment using electric pulses to locally permeabilize tumor cells and thereby significantly increase bleomycin cytotoxicity. Collaborating with the International Network for Sharing Practice on ElectroChemoTherapy (INSPECT), we consecutively and prospectively accrued data on patients treated with electrochemotherapy for cutaneous metastases from breast cancer...
March 14, 2018: Clinical Breast Cancer
https://www.readbyqxmd.com/read/29673325/incidence-pattern-and-prognosis-of-brain-metastases-in-patients-with-metastatic-triple-negative-breast-cancer
#9
Jia Jin, Yu Gao, Jian Zhang, Leiping Wang, Biyun Wang, Jun Cao, Zhimin Shao, Zhonghua Wang
BACKGROUND: To identify the incidence, recurrence pattern and prognosis of brain metastases (BM) among women with metastatic triple negative breast cancer (mTNBC) treated consecutively at a single institution during a 7-year period. METHODS: Patients with histologically confirmed mTNBC were retrospectively identified. The incidence of BM as first site of recurrence and the cumulative BM incidence were computed. We used the Cox proportional hazards model to identify the univariate and multivariate factors associated with survival...
April 19, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29669579/long-term-prognostic-implications-of-risk-factors-associated-with-tumor-size-a-case-study-of-women-regularly-attending-screening
#10
Fredrik Strand, Keith Humphreys, Johanna Holm, Mikael Eriksson, Sven Törnberg, Per Hall, Edward Azavedo, Kamila Czene
BACKGROUND: Breast cancer prognosis is strongly associated with tumor size at diagnosis. We aimed to identify factors associated with diagnosis of large (> 2 cm) compared to small tumors, and to examine implications for long-term prognosis. METHODS: We examined 2012 women with invasive breast cancer, of whom 1466 had screen-detected and 546 interval cancers that were incident between 2001 and 2008 in a population-based screening cohort, and followed them to 31 December 2015...
April 18, 2018: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/29667006/establishment-and-characterization-of-a-c57bl-6-mouse-model-of-bone-metastasis-of-breast-cancer
#11
Toru Hiraga, Tadashi Ninomiya
Bone is one of the most common sites of metastasis in patients with advanced breast cancer; however, the mechanisms of bone metastasis remain to be fully elucidated. Animal models are essential research tools for investigating the mechanisms of diseases and drug actions. To date, there have only been a few reports in which C57BL/6 mice were used for the study of bone metastases of breast cancer. In the current study, we found that intracardiac inoculation of C57BL/6 mouse-derived parental E0771 breast cancer cells (E0771/Pa) frequently lead to bone metastases in C57BL/6 mice within 2 weeks...
April 17, 2018: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/29667003/chemical-genomics-reveals-inhibition-of-breast-cancer-lung-metastasis-by-ponatinib-via-c-jun
#12
Wei Shao, Shasha Li, Lu Li, Kequan Lin, Xinhong Liu, Haiyan Wang, Huili Wang, Dong Wang
Metastasis is the leading cause of human cancer deaths. Unfortunately, no approved drugs are available for anti-metastatic treatment. In our study, high-throughput sequencing-based high-throughput screening (HTS2 ) and a breast cancer lung metastasis (BCLM)-associated gene signature were combined to discover anti-metastatic drugs. After screening of thousands of compounds, we identified Ponatinib as a BCLM inhibitor. Ponatinib significantly inhibited the migration and mammosphere formation of breast cancer cells in vitro and blocked BCLM in multiple mouse models...
April 17, 2018: Protein & Cell
https://www.readbyqxmd.com/read/29665447/propensity-score-to-evaluate-prognosis-in-pregnancy-associated-breast-cancer-analysis-from-a-french-cancer-network
#13
Anne-Sophie Boudy, Iptissem Naoura, Lise Selleret, Sonia Zilberman, Joseph Gligorov, Sandrine Richard, Isabelle Thomassin-Naggara, Nathalie Chabbert-Buffet, Marcos Ballester, Sofiane Bendifallah, Emile Darai
PURPOSE: To compare the prognosis of pregnancy associated breast cancer occurring during pregnancy (BCP) to non-pregnancy associated breast cancers (non-BCP) in young women managed at a national expert center. METHODS: Retrospective cohort study of a prospective database using propensity score matching (PSM) analysis with known prognostic factors. RESULTS: We analyzed data of 49 patients with BCP and 104 with non-BCP diagnosed between 2002 and 2017 at Tenon University Hospital (Paris, France)...
April 14, 2018: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/29665170/breast-carcinoma-in-pregnancy-with-spheroid-like-placental-metastases-a-case-report
#14
Karolin Froehlich, Hanne Stensheim, Udo R Markert, Gitta Turowski
Breast cancer is one of the most common malignancies diagnosed in pregnancy. Although the tumor is often detected at an advanced stage, placental metastases are rare. Here, we describe the case of a woman with breast cancer recurrence during pregnancy and subsequent metastases. The focus of this study is the large amount of placenta metastases, which have been analyzed immunohistochemically. Staining with trophoblast markers (placenta alkaline phosphatase, beta human chorionic gonadotropin and human placental lactogen) showed the strict localization of metastases in the intervillous space without invasion into fetal tissue...
April 17, 2018: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/29662238/structural-underpinnings-of-oestrogen-receptor-mutations-in-endocrine-therapy-resistance
#15
REVIEW
John A Katzenellenbogen, Christopher G Mayne, Benita S Katzenellenbogen, Geoffrey L Greene, Sarat Chandarlapaty
Oestrogen receptor-α (ERα), a key driver of breast cancer, normally requires oestrogen for activation. Mutations that constitutively activate ERα without the need for hormone binding are frequently found in endocrine-therapy-resistant breast cancer metastases and are associated with poor patient outcomes. The location of these mutations in the ER ligand-binding domain and their impact on receptor conformation suggest that they subvert distinct mechanisms that normally maintain the low basal state of wild-type ERα in the absence of hormone...
April 16, 2018: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/29661546/strategy-for-the-accurate-preoperative-evaluation-of-the-number-of-metastatic-axillary-lymph-nodes-in-breast-cancer
#16
Nao Imai, Mika Kitayama, Akiko Shibahara, Yuri Bessho, Mai Shibusawa, Aya Noro, Keiko Inakami, Noriko Hanamura, Hiroshi Imai, Tomoko Ogawa
BACKGROUND: After the ACOSOG Z0011 trial, it became important to evaluate the number of metastatic axillary lymph nodes (LNs) preoperatively. The purpose of this paper is to confirm whether the number of metastases can be accurately diagnosed by preoperative computed tomography (CT), ultrasound sonography (US), and US-guided fine-needle aspiration cytology (FNAC). METHODS: We retrospectively analyzed the axillary LNs finding of preoperative CT/US of 470 breast cancer patients...
April 13, 2018: Asian Journal of Surgery
https://www.readbyqxmd.com/read/29660596/time-trends-of-overall-survival-among-metastatic-breast-cancer-patients-in-the-real-life-esme-cohort
#17
Elisa Gobbini, Monia Ezzalfani, Véronique Dieras, Thomas Bachelot, Etienne Brain, Marc Debled, William Jacot, Marie Ange Mouret-Reynier, Anthony Goncalves, Florence Dalenc, Anne Patsouris, Jean Marc Ferrero, Christelle Levy, Veronique Lorgis, Laurence Vanlemmens, Claudia Lefeuvre-Plesse, Simone Mathoulin-Pelissier, Thierry Petit, Lionel Uwer, Christelle Jouannaud, Marianne Leheurteur, Magali Lacroix-Triki, Audrey Lardy Cleaud, Mathieu Robain, Coralie Courtinard, Christian Cailliot, David Perol, Suzette Delaloge
AIM: Real-life analysis of overall survival (OS) trends among metastatic breast cancer (MBC) patients may help define medical needs and evaluate the impact of public health investments. The present study aimed to evaluate the independent impact of the year of MBC diagnosis on OS in the Epidemio-Strategy-Medical-Economical (ESME)-MBC cohort. METHODS: ESME-MBC (NCT03275311) is a French, national, multicentre, observational cohort including 16,702 consecutive newly diagnosed MBC patients (01 January 2008-31 December 2014)...
April 13, 2018: European Journal of Cancer
https://www.readbyqxmd.com/read/29658958/treatment-with-src-inhibitor-dasatinib-results-in-elevated-metastatic-potential-in-the-4t1-murine-mammary-carcinoma-model
#18
Veronica S Hughes, Dietmar W Siemann
Introduction: The src inhibitor Dasatinib has been widely studied as an anti-metastatic agent. The aims of this study were to examine the effect of Src inhibition on the metastatic potential of the 4T1 murine mammary carcinoma. Context: Src is a non-receptor tyrosine kinase well-known to contribute to the metastatic potential of tumour cells. It does so through alteration of signalling pathways important to metastasis. Elevated levels of Src are common in many cancer types, and have been correlated with tumour progression and poor patient prognosis...
2018: Tumor & microenvironment
https://www.readbyqxmd.com/read/29658391/tgf%C3%AE-1-promotes-breast-cancer-local-invasion-and-liver-metastasis-by-increasing-the-cd44-high-cd24-subpopulation
#19
Chenjing Zhang, Huiqin Gao, Chao Li, Jiangfeng Tu, Zhihao Chen, Weiwei Su, Xiaoge Geng, Xiaojun Chen, Jingya Wang, Wensheng Pan
OBJECTIVE: Previous studies have shown that the transforming growth factor β1 pathway plays an important role in breast cancer metastasis to the liver. However, the mechanism of this metastasis has not been fully clarified. Cancer stem cells are essential for the initiation and propagation of tumor metastasis. The objective of our current study was to define the role of cancer stem cells in transforming growth factor β1-mediated breast cancer hepatic metastases. METHOD: Hematoxylin and eosin staining was used to assess the formation of breast cancer liver metastases and local invasion...
January 1, 2018: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/29658333/mucinous-breast-carcinoma-with-tall-columnar-cells
#20
N Tsoukalas, M Kiakou, M Tolia, I D Kostakis, M Galanopoulos, G Nakos, D Tryfonopoulos, G Kyrgias, G Koumakis
Mucinous carcinoma of the breast represents 1%-4% of all breast cancers. The World Health Organization classification divides this type of tumour into three different subtypes: mucinous carcinoma, mucinous carcinoma with tall columnar cells (mucinous cystadenocarcinoma and columnar cell mucinous carcinoma) and signet ring cell carcinoma. A 74-year-old woman presented a tumour with inflammatory features in the upper outer quadrant of her left breast, 7 cm in diameter. The core biopsy showed infiltrating ductal carcinoma of no specific type...
April 16, 2018: Annals of the Royal College of Surgeons of England
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