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https://www.readbyqxmd.com/read/29052442/denosumab-for-the-treatment-of-bone-disease-in-solid-tumors-and-multiple-myeloma
#1
Andrew J Yee, Noopur S Raje
Bone is a common site for malignant involvement, either as a site of metastasis, especially in breast or prostate cancer, or as a defining characteristic of the disease, as in multiple myeloma. Bone disease is a major source of morbidity, and half of patients with bone involvement develop skeletal-related events such as pathological fractures or cord compression requiring surgery and/or radiation. Skeletal involvement also increases mortality, as pathologic fractures increase the risk of dying by 20-40%. Osteoclast inhibition with bisphosphonates such as zoledronic acid and recently denosumab has been a significant improvement for bone disease...
October 20, 2017: Future Oncology
https://www.readbyqxmd.com/read/29051834/fdg-avid-breast-cancer-bone-metastases-silent-on-ct-and-scintigraphy-a-case-report-with-radiologic-pathologic-correlation
#2
Daniel Jeong, Marilyn Bui, Daniel Peterson, Jaime Montilla-Soler, Kenneth L Gage
Bone is the one of the most common distant metastatic sites in breast cancer. Routine initial breast cancer staging evaluation typically includes computed tomography (CT) and skeletal scintigraphy while 18F fluorodeoxyglucose (FDG) positron emission tomography-computed tomography (PET-CT) is reserved for clinically high-risk cases. Since FDG PET-CT is not routinely performed during staging or surveillance evaluations, it is important for radiologists and clinicians to appreciate the limitations of bone metastasis detection on CT and scintigraphy...
October 2017: Acta Radiologica Open
https://www.readbyqxmd.com/read/29044578/factors-associated-with-local-recurrence-after-surgery-for-bone-metastasis-to-the-extremities
#3
Chandra Kumar Krishnan, Han-Soo Kim, Ji Yeon Yun, Hwan Seong Cho, Jong Woong Park, Ilkyu Han
BACKGROUND AND OBJECTIVES: With increasing life expectancy of patients with bone metastasis, durable surgical stabilization of bone metastasis is necessary. Local recurrence (LR) can compromise surgical stabilization and necessitate retreatment. We analyzed LR rate and factors associated with LR in patients undergoing surgery for bone metastasis. METHODS: Patients (n = 301) who underwent surgery for bone metastasis to the extremities were reviewed. Possible factors that might be associated with LR were investigated...
October 16, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29040431/prevention-of-breast-cancer-induced-osteolytic-bone-resorption-by-benzyl-isothiocyanate
#4
Subrata K Pore, Eun-Ryeong Hahm, Joseph D Latoche, Carolyn J Anderson, Yongli Shuai, Shivendra V Singh
Osteolytic bone resorption is the primary cause of pain and suffering (e.g., pathological bone fracture) in women with metastatic breast cancer. The current standard of care for patients with bone metastasis for reducing the incidence of skeletal complications includes bisphosphonates and a humanized antibody (denosumab). However, a subset of patients on these therapies still develops new bone metastasis or experience adverse effects. Moreover, some bisphosphonates have poor oral bioavailability. Therefore, orally-bioavailable and non-toxic inhibitors of breast cancer-induced osteolytic bone resorption are still clinically desirable...
October 11, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/29037984/effect-of-maf-amplification-on-treatment-outcomes-with-adjuvant-zoledronic-acid-in-early-breast-cancer-a-secondary-analysis-of-the-international-open-label-randomised-controlled-phase-3-azure-big-01-04-trial
#5
Robert Coleman, Andrew Hall, Joan Albanell, Andrew Hanby, Richard Bell, David Cameron, David Dodwell, Helen Marshall, Joël Jean-Mairet, Juan-Carlos Tercero, Federico Rojo, Walter Gregory, Roger R Gomis
BACKGROUND: Adjuvant use of bisphosphonates can reduce the incidence of bone metastases in early breast cancer. Recurrence and survival seem to be improved only in postmenopausal patients, but the underlying mechanisms remain unclear. We investigated whether MAF amplification (a biomarker for bone metastasis) in primary tumours could predict the treatment outcomes of adjuvant zoledronic acid. METHODS: The study population included patients enrolled in the international, open-label, randomised, controlled, phase 3 AZURE trial at eligible UK sites who had stage II or III breast cancer and who gave consent for use of their primary tumour samples...
October 13, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/29029636/gene-expression-modules-in-primary-breast-cancers-as-risk-factors-for-organotropic-patterns-of-first-metastatic-spread-a-case-control-study
#6
Katherine Lawler, Efterpi Papouli, Cristina Naceur-Lombardelli, Anca Mera, Kayleigh Ougham, Andrew Tutt, Siker Kimbung, Ingrid Hedenfalk, Jun Zhan, Hongquan Zhang, Richard Buus, Mitch Dowsett, Tony Ng, Sarah E Pinder, Peter Parker, Lars Holmberg, Cheryl E Gillett, Anita Grigoriadis, Arnie Purushotham
BACKGROUND: Metastases from primary breast cancers can involve single or multiple organs at metastatic disease diagnosis. Molecular risk factors for particular patterns of metastastic spread in a clinical population are limited. METHODS: A case-control design including 1357 primary breast cancers was used to study three distinct clinical patterns of metastasis, which occur within the first six months of metastatic disease: bone and visceral metasynchronous spread, bone-only, and visceral-only metastasis...
October 13, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/29029470/real-time-in-vivo-imaging-of-metastatic-bone-tumors-with-a-targeted-near-infrared-fluorophore
#7
Wonbong Lim, HongMoon Sohn, Youngjong Ko, Mineon Park, Bora Kim, Danbi Jo, Jin Seok Jung, Dae Hyeok Yang, Jangho Kim, Ok Joon Kim, Donghwi Kim, Young Lae Moon, Jung-Joon Min, Hoon Hyun
Tumors of the prostate or breast are particularly likely to metastasize to the bone, and early diagnosis of metastatic bone tumors is important for designing an effective treatment strategy. Imaging modalities for the detection of bone metastasis are limited, and radiation-based techniques are commonly used. Here, we investigated the efficacy of selective near-infrared (NIR) fluorescence detection of metastatic bone tumors and its role in the detection of bone metastasis in prostate and breast cancer cell lines and in a xenograft mouse model...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29025611/carbon-fiber-reinforced-intramedullary-nailing-in-musculoskeletal-tumor-surgery-a-national-multicentric-experience-of-the-italian-orthopaedic-society-siot-bone-metastasis-study-group
#8
Andrea Piccioli, Raimondo Piana, Michele Lisanti, Alberto Di Martino, Barbara Rossi, Francesco Camnasio, Marco Gatti, Pietro Maniscalco, Franco Gherlinzoni, Maria Silvia Spinelli, Davide Maria Donati, Roberto Biagini, Rodolfo Capanna, Vincenzo Denaro
INTRODUCTION: Carbon fiber reinforced (CFR) implants have been proposed for the treatment of fractures or impending fractures of the long bones in the oncology patient. Aim of this study is to present the largest cohort of oncology patients operated by CFR nailing by the Italian Orthopaedic Society (SIOT) Bone Metastasis Study Group. METHODS: 53 adult oncology patients were operated on with a CFR-PEEK nail. All the data from adjuvants therapies were collected. Bone callus formation, response to radiotherapy, relapse or progression of the osteolysis were recorded...
October 2017: Injury
https://www.readbyqxmd.com/read/29024674/optic-nerve-head-problem
#9
Rohan Verma, Kevin C Chen, Hema L Ramkumar, Michael H Goldbaum, Carol L Shields
A 68-year-old woman with a recent history of blurring in the left eye had undergone mastectomy for breast cancer twenty years ago. A series of bone metastases started five years after her diagnosis. Examination of the optic nerve head of the left eye revealed an isolated epipapillary mass. Indocyanine green angiography displayed vessels within the mass, and fluorescein angiography demonstrated hyperfluorescence of the mass from vascular leakage plus lobular spots of blocked fluorescence. B-scan ultrasound revealed a hyperechoic elevated nodular mass on the optic disc...
October 9, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/29023215/cost-effectiveness-analysis-of-monthly-zoledronic-acid-zoledronic-acid-every-3-months-and-monthly-denosumab-in-women-with-breast-cancer-and-skeletal-metastases-calgb-70604-alliance
#10
Charles L Shapiro, James P Moriarty, Stacie Dusetzina, Andrew L Himelstein, Jared C Foster, Stephen S Grubbs, Paul J Novotny, Bijan J Borah
Purpose Skeletal-related events (SREs) such as pathologic fracture, spinal cord compression, or the necessity for radiation or surgery to bone metastasis cause considerable morbidity, decrements in quality of life, and costs to the health care system. The results of a recent large randomized trial (Cancer and Leukemia Group B/Alliance for Clinical Trials in Oncology [CALGB/Alliance 70604]) showed that zoledronic acid (ZA) every 3 months was noninferior to monthly ZA in reducing the risks of SREs. We sought to determine the cost-effectiveness (CE) of monthly ZA, ZA every 3 months, and monthly denosumab in women with breast cancer and skeletal metastases...
October 12, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28988933/cancer-stemness-in-bone-marrow-micrometastases-of-human-breast-cancer
#11
Marissa C Kuo, Anai N Kothari, Paul C Kuo, Zhiyong Mi
BACKGROUND: Cancer cells metastasize to the bone marrow to create the premetastatic niche. Cancer stemness (expression of stem cell characteristics) is regulated by the tumor microenvironment and associated with self-renewal and poor clinical outcomes. Osteopontin induces mesenchymal stem cells in the tumor microenvironment to adopt a cancer-associated fibroblast phenotype to potentiate cancer growth and metastasis. The mechanisms by which cancer cells and tumor microenvironment regulate stemness in the bone marrow premetastatic niche is unknown...
October 5, 2017: Surgery
https://www.readbyqxmd.com/read/28988825/pgc-1%C3%AE-promotes-breast-cancer-metastasis-and-confers-bioenergetic-flexibility-against-metabolic-drugs
#12
Sylvia Andrzejewski, Eva Klimcakova, Radia M Johnson, Sébastien Tabariès, Matthew G Annis, Shawn McGuirk, Jason J Northey, Valérie Chénard, Urshila Sriram, David J Papadopoli, Peter M Siegel, Julie St-Pierre
Metabolic adaptations play a key role in fueling tumor growth. However, less is known regarding the metabolic changes that promote cancer progression to metastatic disease. Herein, we reveal that breast cancer cells that preferentially metastasize to the lung or bone display relatively high expression of PGC-1α compared with those that metastasize to the liver. PGC-1α promotes breast cancer cell migration and invasion in vitro and augments lung metastasis in vivo. Pro-metastatic capabilities of PGC-1α are linked to enhanced global bioenergetic capacity, facilitating the ability to cope with bioenergetic disruptors like biguanides...
October 5, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28988656/thirty-year-trends-of-survival-and-time-varying-effects-of-prognostic-factors-in-patients-with-metastatic-breast-cancer-a-single-institution-experience
#13
Bianca Rogoz, Agathe Houzé de l'Aulnoit, Alain Duhamel, Denis Houzé de l'Aulnoit
BACKGROUND: Metastatic breast cancer is generally considered an incurable disease. In our study we aimed to detect a time trend of survival over the past 30 years and account for time-varying effects of the prognostic factors. PATIENTS AND METHODS: A total of 446 patients diagnosed with breast cancer at Saint Vincent de Paul Hospital, Lille, France between 1977 and 2013 who developed metastatic disease after a disease-free interval longer than 3 months and were followed-up for outcome...
September 1, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28986775/timeline-metastatic-progression-in-the-wake-of-the-%C3%A2-%C3%A2-seed-and-soil%C3%A2-%C3%A2-theory
#14
Aymeric Amelot, Louis-Marie Terrier, Jean-Jacques Mazeron, Charles-Ambroise Valery, Philippe Cornu, Alexandre Carpentier, Marc Leveque
Little is known about the natural history of cancer and its evolution to metastasis. Paget was the first to postulate the important role played by microenvironment in metastasis progression. Since, the concept of his "seed and soil" theory has been supported and confirmed. Understanding the chronology and natural course that underlie metastasis is mandatory to deepen this concept and to progress in the development of novel therapeutic strategies. A total of 413 patients who underwent treatment for brain metastasis (2013-2016) were included...
October 6, 2017: Medical Oncology
https://www.readbyqxmd.com/read/28974683/caspase-1-cleaves-ppar%C3%AE-for-potentiating-the-pro-tumor-action-of-tams
#15
Zhiyuan Niu, Qian Shi, Wenlong Zhang, Yuxin Shu, Nanfei Yang, Bing Chen, Qingsong Wang, Xuyang Zhao, Jiajia Chen, Nan Cheng, Xiujing Feng, Zichun Hua, Jianguo Ji, Pingping Shen
Tumor-associated macrophages are increasingly viewed as a target of great relevance in the tumor microenvironment, because of their important role in cancer progression and metastasis. However, the endogenous regulatory mechanisms underlying tumor-associated macrophage differentiation remain largely unknown. Here, we report that caspase-1 promotes tumor-associated macrophage differentiation by cleaving peroxisome proliferator-activated receptor gamma (PPARγ) at Asp64, thus generating a 41 kDa fragment. This truncated PPARγ translocates to mitochondria, where it directly interacts with medium-chain acyl-CoA dehydrogenase (MCAD)...
October 3, 2017: Nature Communications
https://www.readbyqxmd.com/read/28965856/pharmacological-evidence-for-the-bone-autonomous-contribution-of-the-nf%C3%AE%C2%BAb-%C3%AE-catenin-axis-to-breast-cancer-related-osteolysis
#16
Silvia Marino, Ryan T Bishop, John G Logan, Patrick Mollat, Aymen I Idris
The NFκB signaling pathway is implicated in breast cancer and bone metastasis. However, the bone-autonomous contribution of NFκB to breast cancer-induced osteolysis is poorly understood. Here, we report that pretreatment of osteoblasts with the sesquiterpene lactone Parthenolide (PTN), a verified NFκB inhibitor, prior to exposure to conditioned medium from human and mouse breast cancer cell lines enhanced osteoblast differentiation and reduced osteoblast ability to stimulate osteoclastogenesis. PTN prevented breast cancer-induced osteoclast formation and reduced the ability of breast cancer cells to prolong osteoclast survival and to inhibit osteoclast apoptosis...
September 28, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28951274/spinal-metastasis-of-unknown-primary-accompanied-by-neurological-deficit-or-vertebral-instability
#17
Abdurrahman Aycan, Sebahattin Çelik, Fetullah Kuyumcu, Mehmet Edip Akyol, Mehmet Arslan, Erkan Doğan, Harun Arslan
INTRODUCTION AND AIM: Spinal bone metastases are highly common. They are mostly localized to the lumbar, thoracic, and cervical spine, respectively. The most common primaries to result in spinal metastases include lung, breast, and prostate carcinomas in adults as opposed to leukemia, Ewing's sarcoma, rhabdomyosarcoma, and neuroblastoma in children. In patients diagnosed with a cancer, bone metastases are found in 40% and spinal metastases in 10% of the patients. In this study, we aimed to present 25 patients diagnosed with a spinal metastasis of unknown primary who presented with a low back pain or acute-onset neurological deficits and underwent operative treatment...
September 23, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28948139/the-role-of-biomarkers-in-the-management-of-bone-homing-malignancies
#18
REVIEW
Stella D'Oronzo, Janet Brown, Robert Coleman
Bone represents a common site of metastasis from several solid tumours, including breast, prostate and lung malignancies. The onset of bone metastases (BM) is associated not only with serious skeletal complications, but also shortened overall survival, owing to the lack of curative treatment options for late-stage cancer. Despite the diagnostic advances, BM detection often occurs in the symptomatic stage, underlining the need for novel strategies aimed at the early identification of high-risk patients. To this purpose, both bone turnover and tumour-derived markers are being investigated for their potential diagnostic, prognostic and predictive roles...
November 2017: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28945801/estradiol-impairs-the-antiproliferative-and-proapoptotic-effect-of-zoledronic-acid-in-hormone-sensitive-breast-cancer-cells-in-vitro
#19
Daphne Gschwantler-Kaulich, Sigrid Weingartshofer, Thomas W Grunt, Mario Mairhofer, Yen Tan, Jutta Gamper, Christian F Singer
BACKGROUND: Zoledronic acid (ZA) has antiresorptive effects and protects from bone metastasis in women with early breast cancer. In addition, in postmenopausal women with endocrine responsive breast cancer ZA prolongs DFS. The exact mechanism is still unclear. We have therefore investigated the effect of increasing concentrations of ZA in breast cancer cell lines in the absence or presence of estradiol to mimic the hormonal environment in vitro. MATERIALS AND METHODS: Using assays for cell proliferation (EZ4U, BrdU) and cell death (Annexin/PI), we have analyzed the dose-dependent antiproliferative and pro-apoptotic effects of ZA in two hormone sensitive cell lines (MCF-7 and T47D) and a hormone insensitive, triple negative cell line (MDA-MB-231) in the presence of 0, 1 and 10 nM estradiol...
2017: PloS One
https://www.readbyqxmd.com/read/28940209/chronic-psychological-stress-promotes-lung-metastatic-colonization-of-circulating-breast-cancer-cells-by-decorating-a-pre-metastatic-niche-through-activating-%C3%AE-adrenergic-signaling
#20
Hongyu Chen, Dan Liu, Liang Guo, Xiang Cheng, Ning Guo, Ming Shi
Numerous studies have indicated that primary tumors induce formation of a pre-metastatic niche in distant organs by secreting tumor-derived factors. The present study shows that pre-exposure to chronic stress enhanced lung colonization efficiency by circulating tumor cells, suggesting that chronic stress critically influences pre-metastatic lungs before arrival of disseminated tumor cells. Ablation of the sympathetic nerve function by 6-OHDA or blockage of the β-adrenergic signaling by propranolol remarkably suppressed stress-induced lung metastasis...
September 22, 2017: Journal of Pathology
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