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https://www.readbyqxmd.com/read/28089230/metastatic-fractures-of-long-limb-bones
#1
REVIEW
P Anract, D Biau, P Boudou-Rouquette
The diagnosis of pathological fracture should be considered routinely in patients with long limb-bone fractures. Investigations must be performed to establish the diagnosis of pathological fracture then to determine that the bone lesion is a metastasis. In over 85% of cases, the clinical evaluation combined with a detailed analysis of the radiographs is sufficient to determine that the fracture occurred at a tumour site. Aetiological investigations establish that the tumour is a metastasis. In some patients, the diagnosis of metastatic cancer antedates the fracture...
January 11, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28076954/identification-of-genes-associated-with-breast-cancer-metastasis-to-bone-on-a-protein-protein-interaction-network-with-a-shortest-path-algorithm
#2
Yu-Dong Cai, Qing Zhang, Yu-Hang Zhang, Lei Chen, Tao Huang
Tumor metastasis is defined as the spread of tumor cells from one organ or part to another that is not directly connected to it, which significantly contributes to the progression and aggravation of tumorigenesis. Because it always involves multiple organs, the metastatic process is difficult to study in its entirety. Complete identification of the genes related to this process is an alternative way to study metastasis. In this study, we developed a computational method to identify such genes. To test our method, we selected breast cancer bone metastasis...
January 11, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28076009/delineating-extramammary-findings-at-breast-mr-imaging
#3
Yiming Gao, Opeyemi Ibidapo, Hildegard K Toth, Linda Moy
Breast magnetic resonance (MR) imaging is the only breast imaging modality that consistently encompasses extramammary structures in the thorax and upper abdomen. Incidental extramammary findings on breast MR images of patients with a history of breast cancer or other malignancies are significantly more likely to be malignant and may affect staging and treatment. An understanding of the frequency, distribution, and context of extramammary findings on breast MR images and a familiarity with common and uncommon sites of breast cancer metastasis inform the differential diagnosis and prompt the appropriate diagnostic next step, to differentiate benign from malignant findings...
January 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28075462/dnalk2-inhibits-the-proliferation-and-invasiveness-of-breast-cancer-mda-mb-231-cells-through-the-smad-dependent-pathway
#4
Ke Wang, Xiaoxiao Sun, Hong Lei Feng, Chang Fei, Yan Zhang
Breast cancer is one of the most common malignant neoplasms diagnosed in females worldwide. Bone morphogenetic proteins (BMPs), which belong to the TGF-β superfamily, regulate a wide range of cellular responses including cell proliferation, differentiation, adhesion, migration and apoptosis in breast cancer. BMPs can bind to type I and II serine/threonine kinase receptors to regulate cell proliferation, invasion, migration, and apoptosis. Type I receptors are expressed in various breast cancer cell lines and primary tumor samples...
February 2017: Oncology Reports
https://www.readbyqxmd.com/read/28071724/osteoclastic-mir-214-targets-traf3-to-contribute-to-osteolytic-bone-metastasis-of-breast-cancer
#5
Jin Liu, Defang Li, Lei Dang, Chao Liang, Baosheng Guo, Cheng Lu, Xiaojuan He, Hilda Y S Cheung, Bing He, Biao Liu, Fangfei Li, Jun Lu, Luyao Wang, Atik Badshah Shaikh, Feng Jiang, Changwei Lu, Songlin Peng, Zongkang Zhang, Bao-Ting Zhang, Xiaohua Pan, Lianbo Xiao, Aiping Lu, Ge Zhang
The role of osteoclastic miRNAs in regulating osteolytic bone metastasis (OBM) of breast cancer is still underexplored. Here, we examined the expression profiles of osteoclastogenic miRNAs in human bone specimens and identified that miR-214-3p was significantly upregulated in breast cancer patients with OBM. Consistently, we found increased miR-214-3p within osteoclasts, which was associated with the elevated bone resorption, during the development of OBM in human breast cancer xenografted nude mice (BCX). Furthermore, genetic ablation of osteoclastic miR-214-3p in nude mice prevent the development of OBM...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28069877/bone-seeking-matrix-metalloproteinase-2-inhibitors-prevent-bone-metastatic-breast-cancer-growth
#6
Marilena Tauro, Gemma Shay, Samer S Sansil, Antonio Laghezza, Paolo Tortorella, Anthony M Neuger, Hatem Soliman, Conor C Lynch
Bone metastasis is common during breast cancer progression. Matrix metalloproteinase-2 (MMP-2) is significantly associated with aggressive breast cancer and poorer overall survival. In bone, tumor or host derived MMP-2 contributes to breast cancer growth and does so by processing substrates including type I collagen and transforming growth factorβ (TGFβ) latency proteins. These data provide strong rationale for the application of MMP-2 inhibitors to treat the disease. However, in vivo, MMP-2 is systemically expressed...
January 9, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28069070/successful-management-of-synchronous-recurrent-breast-carcinoma-with-chronic-myelogenous-leukemia-a-case-report
#7
Choukri Elm'hadi, Mohamed Reda Khmamouche, Rachid Tanz, Mehdi Toreis, ElMehdi Mahtat, Mohammed Allaoui, Mohammed Oukabli, Nezha Messaoudi, Hassan Errihani, Mohammed Ichou
BACKGROUND: Survival is increasing after early breast cancer revealing frequent relapses and possibility of developing secondary malignancies. The concomitant occurrence of these two events is exceptionally disastrous and lethal. We report a case of a Moroccan woman who was successfully managed for synchronous recurrent breast carcinoma and chronic myelogenous leukemia. CASE PRESENTATION: A 42-year-old Moroccan woman was diagnosed with localized breast carcinoma in 2008...
January 10, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28058659/three-minute-spect-ct-is-sufficient-for-the-assessment-of-bone-metastasis-as-add-on-to-planar-bone-scintigraphy-prospective-head-to-head-comparison-to-11-min-spect-ct
#8
Helle D Zacho, José A Biurrun Manresa, Ramune Aleksyniene, June A Ejlersen, Joan Fledelius, Henrik Bertelsen, Lars J Petersen
BACKGROUND: The aim of this study is to assess whether ultra-fast acquisition SPECT/CT (UF-SPECT/CT) can replace standard SPECT/CT (std-SPECT/CT) as "add-on" to whole-body bone scintigraphy (WB-BS) for the investigation of bone metastases. Consecutive cancer patients referred for WB-BS who underwent SPECT/CT in addition to WB-BS were included. Std-SPECT, UF-SPECT, and low-dose CT were performed (std-SPECT: matrix 128 × 128, zoom factor 1, 20 s/view, 32 views; UF-SPECT: identical parameters except for 10 s/view and 16 views, reducing the acquisition time from 11 to 3 min)...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28051153/the-metastasis-suppressor-rarres3-as-an-endogenous-inhibitor-of-the-immunoproteasome-expression-in-breast-cancer-cells
#9
Alison M Anderson, Murugan Kalimutho, Sarah Harten, Devathri M Nanayakkara, Kum Kum Khanna, Mark A Ragan
In breast cancer metastasis, the dynamic continuum involving pro- and anti-inflammatory regulators can become compromised. Over 600 genes have been implicated in metastasis to bone, lung or brain but how these genes might contribute to perturbation of immune function is poorly understood. To gain insight, we adopted a gene co-expression network approach that draws on the functional parallels between naturally occurring bone marrow-derived mesenchymal stem cells (BM-MSCs) and cancer stem cells (CSCs). Our network analyses indicate a key role for metastasis suppressor RARRES3, including potential to regulate the immunoproteasome (IP), a specialized proteasome induced under inflammatory conditions...
January 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28045433/functions-and-epigenetic-regulation-of-wwox-in-bone-metastasis-from-breast-carcinoma-comparison-with-primary-tumors
#10
REVIEW
Paola Maroni, Emanuela Matteucci, Paola Bendinelli, Maria Alfonsina Desiderio
Epigenetic mechanisms influence molecular patterns important for the bone-metastatic process, and here we highlight the role of WW-domain containing oxidoreductase (Wwox). The tumor-suppressor Wwox lacks in almost all cancer types; the variable expression in osteosarcomas is related to lung-metastasis formation, and exogenous Wwox destabilizes HIF-1α (subunit of Hypoxia inducible Factor-1, HIF-1) affecting aerobic glycolysis. Our recent studies show critical functions of Wwox present in 1833-osteotropic clone, in the corresponding xenograft model, and in human bone metastasis from breast carcinoma...
January 1, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28038448/the-prognosis-analysis-of-different-metastasis-pattern-in-patients-with-different-breast-cancer-subtypes-a-seer-based-study
#11
Haiyong Wang, Chenyue Zhang, Jingze Zhang, Li Kong, Hui Zhu, Jinming Yu
Studies on prognosis of different metastasis patterns in patients with different breast cancer subtypes (BCS) are limited. Therefore, we identified 7862 breast cancer patients with distant metastasis from 2010 to 2013 using Surveillance, Epidemiology, wand End Results (SEER) population-based data. The results showed that bone was the most common metastatic site and brain was the least common metastatic site, and the patients with HR+/HER2- occupied the highest metastasis proportion, the lowest metastasis proportion were found in HR-/HER2+ patients...
December 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/28035539/brucine-inhibits-bone-metastasis-of-breast-cancer-cells-by-suppressing-jagged1-notch1-signaling-pathways
#12
Ke-Fei Hu, Xiang-Ying Kong, Mi-Cun Zhong, Hong-Ye Wan, Na Lin, Xiao-Hua Pei
OBJECTIVE: To examine the effects of brucine on the invasion, migration and bone resorption of receptor activator of nuclear factor-kappa B ligand (RANKL)-induced osteoclastogenesis. METHODS: The osteoclastogenesis model was builded by co-culturing human breast tumor MDA-MB-231 and mouse RAW264.7 macrophages cells. RANKL (50 ng/mL) and macrophage-colony stimulating factor (50 ng/mL) were added to this system, followed by treatment with brucine (0.02, 0.04 and 0...
December 29, 2016: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28030943/is-there-a-rationale-for-aggressive-breast-cancer-liver-metastases-resections-in-polish-female-patients-analysis-of-overall-survival-following-hepatic-resection-at-a-single-centre-in-poland
#13
Eliza Kobryń, Konrad Kobryń, Tadeusz Wróblewski, Krzysztof Kobryń, Radosław Pietrzak, Paweł Rykowski, Bogna Ziarkiewicz-Wróblewska, Krzysztof Lamparski, Krzysztof Zieniewicz, Waldemar Patkowski, Marek Krawczyk, Rafał Paluszkiewicz
INTRODUCTION: Breast cancer (BC) makes up nearly 26% of malignant tumours worldwide and is the leading cause of cancer-related deaths in European women. With approximately 18,000 new cases of BC diagnosed in Polish women annually, breast cancer liver metastasis (BCLM) is respectively an increasing issue. Recent data found in literature indicates improved survival following liver resection with systemic therapy. OBJECTIVE: The aim of study was to evaluate surgical treatment in patients with isolated BCLM...
23, 2016: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28029019/osteoblasts-are-the-centerpiece-of-the-metastatic-bone-microenvironment
#14
REVIEW
Hyo Min Jeong, Sun Wook Cho, Serk In Park
The tumor microenvironment is comprised of diverse stromal cell populations in addition to tumor cells. Increasing evidence now clearly supports the role of microenvironment stromal cells in tumor progression and metastasis, yet the regulatory mechanisms and interactions among tumor and stromal cells remain to be elucidated. Bone metastasis is the major problem in many types of human malignancies including prostate, breast and lung cancers, and the biological basis of bone metastasis let alone curative approaches are largely undetermined...
December 2016: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28008380/strategies-for-obtaining-bone-biopsy-specimens-from-breast-cancer-patients-past-experience-and-future-directions
#15
Mohammed F K Ibrahim, John Hilton, Christina Addison, Susan Robertson, Joel Werier, Sasha Mazzarello, Lisa Vandermeer, Carmel Jacobs, Mark Clemons
BACKGROUND: Cancer and its treatment can have multiple effects on the bone. Despite the widespread use of in vivo and in vitro models, it is still necessary to understand these effects in humans. Obtaining human bone biopsies is technically challenging and in this article we review the experiences from the Ottawa Bone Oncology Program. METHODS: A series of bone biopsy studies in breast cancer patients with and without bone metastasis have been performed. We reviewed the results of these studies and present them in a descriptive manner...
November 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/27996037/estrogen-induced-sdf-1%C3%AE-production-promotes-the-progression-of-er-negative-breast-cancer-via-the-accumulation-of-mdscs-in-the-tumor-microenvironment
#16
Liquan Ouyang, Weilong Chang, Bin Fang, Jieting Qin, Xincai Qu, Fanjun Cheng
Estrogen plays a role in the processes of tumorigenesis, metastasis, and drug resistance in estrogen receptor (ER)-positive breast cancer (BC). Whether estrogen contributes to ER-negative BC is unclear. Here, we aimed to investigate whether estrogen could stimulate the secretion of stromal-derived factor-1 (SDF-1α) by cancer-associated fibroblasts (CAFs) to promote the progression of ER-negative BC. We transplanted ER-negative BC cells into ovariectomized mice, which was followed by continuous injection of estrogen, and found that estrogen promoted the tumorigenesis of BC...
December 20, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27996004/microrna-182-targets-smad7-to-potentiate-tgf%C3%AE-induced-epithelial-mesenchymal-transition-and-metastasis-of-cancer-cells
#17
Jingyi Yu, Rong Lei, Xueqian Zhuang, Xiaoxun Li, Gang Li, Sima Lev, Miguel F Segura, Xue Zhang, Guohong Hu
The transforming growth factor β (TGFβ) pathway plays critical roles during cancer cell epithelial-mesenchymal transition (EMT) and metastasis. SMAD7 is both a transcriptional target and a negative regulator of TGFβ signalling, thus mediating a negative feedback loop that may potentially restrain TGFβ responses of cancer cells. Here, however, we show that TGFβ treatment induces SMAD7 transcription but not its protein level in a panel of cancer cells. Mechanistic studies reveal that TGFβ activates the expression of microRNA-182 (miR-182), which suppresses SMAD7 protein...
December 20, 2016: Nature Communications
https://www.readbyqxmd.com/read/27983911/validity-of-osteoprotegerin-and-receptor-activator-of-nf-%C3%AE%C2%BAb-ligand-for-detection-of-bone-metastasis-in-breast-cancer
#18
Gamal Elfar, Mohamed Ebrahim, Nehal Elsherbiny, Laila Eissa
Osteoprotegerin (OPG) is a robust antiresorptive molecule that acts as a decoy receptor for the receptor activator of nuclear factor kappa B ligand (RANKL), the mediator of osteoclastogenesis. This study was designed to explore the possible role of serum OPG and RANKL in detecting bone metastasis in breast cancer and its interaction with clinicopathologic parameters. Serum levels of RANKL and OPG were estimated in 44 metastatic and 36 non-metastatic breast cancer patients using ELISA kits. Serum OPG levels were significantly reduced in patients with bony metastasis and correlated negatively with the number of bone lesions and CA 15-3 levels...
26, 2016: Oncology Research
https://www.readbyqxmd.com/read/27982029/galnt14-promotes-lung-specific-breast-cancer-metastasis-by-modulating-self-renewal-and-interaction-with-the-lung-microenvironment
#19
Ki-Hoon Song, Mi So Park, Tulip S Nandu, Shrikanth Gadad, Sang-Cheol Kim, Mi-Young Kim
Some polypeptide N-acetyl-galactosaminyltransferases (GALNTs) are associated with cancer, but their function in organ-specific metastasis remains unclear. Here, we report that GALNT14 promotes breast cancer metastasis to the lung by enhancing the initiation of metastatic colonies as well as their subsequent growth into overt metastases. Our results suggest that GALNT14 augments the self-renewal properties of breast cancer cells (BCCs). Furthermore, GALNT14 overcomes the inhibitory effect of lung-derived bone morphogenetic proteins (BMPs) on self-renewal and therefore facilitates metastasis initiation within the lung microenvironment...
December 16, 2016: Nature Communications
https://www.readbyqxmd.com/read/27967239/lipid-osteoclastokines-regulate-breast-cancer-bone-metastasis
#20
Jing Y Krzeszinski, Adam G Schwaid, Wing Yin Cheng, Zixue Jin, Zachary R Gallegos, Alan Saghatelian, Yihong Wan
Bone metastasis is a deadly consequence of cancers, in which osteoclast forms a vicious cycle with tumor cell. Bone metastasis attenuation by clinical usage of osteoclast inhibitors and in our osteopetrotic mouse genetic models with β-catenin constitutive activation or PPARγ deficiency, fully support the important role of osteoclast in driving the bone metastatic niche. However, the mechanisms for this "partnership in crime" are underexplored. Here we show that osteoclasts reprogram their lipid secretion to support cancer cells...
December 14, 2016: Endocrinology
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