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Journal of Bone Oncology

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https://www.readbyqxmd.com/read/28194325/serum-yb-1-y-box-binding-protein-1-as-a-biomarker-of-bone-disease-progression-in-patients-with-breast-cancer-and-bone-metastases
#1
A R Ferreira, M Bettencourt, I Alho, A L Costa, A R Sousa, A Mansinho, C Abreu, C Pulido, D Macedo, I Vendrell, T R Pacheco, L Costa, S Casimiro
YB-1 (Y-box binding protein 1) is a multifunctional cold-shock protein that has been implicated in all hallmarks of cancer. Elevated YB-1 protein level was associated with poor prognosis in several types of cancers, including breast cancer (BC), where it is a marker of decreased overall survival (OS) and distant metastasis-free survival across all subtypes. YB-1 is also secreted by different cell types and may act as an extracellular mitogen; however the pathological implications of the secreted form of YB-1 (sYB-1) are unknown...
March 2017: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28138422/intra-tumor-delivery-of-zoledronate-mitigates-metastasis-induced-osteolysis-superior-to-systemic-administration
#2
Anas Nooh, Yu Ling Zhang, Daisuke Sato, Derek H Rosenzweig, Sébastien Tabariès, Peter Siegel, Jake E Barralet, Michael H Weber
Bisphosphonates (BPs) have recently been shown to have direct anti-tumor properties. Systemic treatment with BPs can have multiple adverse effects such as osteonecrosis of the jaw and BP induced bone fracturing and spine instability. While benefits of systemic BP treatments may outweigh risks, local treatment with BPs has been explored as an alternate strategy to reduce unwarranted risk. In the present study, we examined whether local delivery of BPs inhibits tumor-induced osteolysis and tumor growth more effectively than systemic treatment in an animal model of tumor-induced bone disease...
March 2017: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28101445/comparison-of-percutaneous-vertebroplasty-with-and-without-interventional-tumor-removal-for-spinal-metastatic-tumor-without-epidural-involvement
#3
Yan Su, Zhong-Zhen Sun, Long-Xiang Shen, Jian Ding, Zheng-Yu Xu, Yi-Min Chai, Wen-Qi Song, Dong Chen, Chun-Gen Wu
AIM: To evaluate the efficacy of percutaneous vertebroplasty (PVP) combined with interventional tumor removal (ITR) in providing pain relief, reducing disability, and improving functional performance in patients with malignant vertebral compression fractures without epidural involvement. METHODS: Patients with malignant vertebral compression fractures (n=58) were treated with either PVP+ITR (n=31, group A) or PVP alone (n=27, group B). A 14 G needle was inserted into the vertebral body, and the tract was sequentially dilated with working cannulae...
March 2017: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28008382/osteochondromyxoma-review-of-a-rare-carney-complex-criterion
#4
REVIEW
Todd Golden, Juan A Siordia
Osteochondromyxoma is an extremely rare bone tumor associated with 1% of Carney complex patients and constitutes one of its 11 diagnostic criteria. This narrative review of osteochondromyxoma is based on a search of all references to the topic in PubMed, Web Of Science, SCOPUS, ScienceDirect, and JSTOR databases. Special attention was focused on case reports, leading to a review encompassing the case reports to date, as well as related animal model studies. This review covers the current understanding of osteochondromyxoma, highlighting its variability while providing consensus on the most common clinical presentation, pathological findings, and genetic features of this rare bone tumor...
November 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28008381/pathologic-fracture-and-healthcare-resource-utilisation-a-retrospective-study-in-eight-european-countries
#5
Jean-Jacques Body, Yves Pascal Acklin, Oliver Gunther, Guy Hechmati, João Pereira, Nikos Maniadakis, Evangelos Terpos, Jindrich Finek, Roger von Moos, Susan Talbot, Harm Sleeboom
BACKGROUND: Skeletal-related events (SREs; pathologic fracture [PF], spinal cord compression and radiation or surgery to bone) are common complications of bone metastases or bone lesions and can impose a considerable burden on patients and healthcare systems. In this study, the healthcare resource utilisation (HRU) associated with PFs in patients with bone metastases or lesions secondary to solid tumours or multiple myeloma was estimated in eight European countries. METHODS: Eligible patients were identified in Austria, the Czech Republic, Finland, Greece, Poland, Portugal, Sweden and Switzerland...
November 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28008380/strategies-for-obtaining-bone-biopsy-specimens-from-breast-cancer-patients-past-experience-and-future-directions
#6
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/28008379/a-phase-2-trial-exploring-the-clinical-and-correlative-effects-of-combining-doxycycline-with-bone-targeted-therapy-in-patients-with-metastatic-breast-cancer
#7
C L Addison, D Simos, Z Wang, G Pond, S Smith, S Robertson, S Mazzarello, G Singh, L Vandermeer, R Fernandes, A Iyengar, S Verma, M Clemons
BACKGROUND: Bone-targeting agents (BTAs), such as bisphosphonates and denosumab, have demonstrated no discernable effects on tumour response or disease free/overall survival in patients with bone metastases from breast cancer. Doxycycline is both osteotropic and has anti-cancer effects. When combined with zoledronate in animal models, doxycycline showed significantly increased inhibition of tumour burden and increased bone formation. We evaluated the effects of adding doxycycline to ongoing anti-cancer therapy in patients with metastatic breast cancer...
November 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28008378/association-of-circulating-mir-125b-and-survival-in-patients-with-osteosarcoma-a-single-center-experience
#8
Zhiqiang Luo, Minglu Liu, Haihong Zhang, Yayi Xia
BACKGROUND: It is known that miRNAs play various roles in malignant tumors. This study is designed to investigate whether miR-125b levels can be used to predict the clinical response of patients with osteosarcoma (OS) to cisplatin-based chemotherapy. METHODS: From January 2010 to July 2015, 82 patients with resectable OS and 56 patients with unresectable OS were enrolled. Blood samples were collected and quantitative real-time PCR was applied to determine miR-125b expression...
November 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28008377/surgical-management-of-proximal-fibular-tumors-a-report-of-12-cases
#9
Hiroyuki Inatani, Norio Yamamoto, Katsuhiro Hayashi, Hiroaki Kimura, Akihiko Takeuchi, Shinji Miwa, Takashi Higuchi, Kensaku Abe, Yuta Taniguchi, Satoshi Yamada, Hideki Okamoto, Takanobu Otsuka, Hiroyuki Tsuchiya
BACKGROUND/AIM: Aggressive benign or malignant tumors in the proximal fibula may require en bloc resection of the fibular head, including the peroneal nerve and lateral collateral ligament. Here, we report the treatment outcomes of 12 patients with aggressive benign or malignant proximal fibula tumors. PATIENTS AND METHODS: Four patients with osteosarcoma and 1 patient with Ewing's sarcoma were treated with intentional marginal resections after effective chemotherapy, and 4 patients underwent fibular head resections without ligamentous reconstruction...
November 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28008376/assessment-of-bone-health-in-breast-cancer-patients-starting-adjuvant-aromatase-inhibitors-a-quality-improvement-clinical-audit
#10
Jamal Zekri, Kamel Farag
INTRODUCTION: Adjuvant Aromatase Inhibitors (AIs) predispose breast cancer patients to accelerated bone loss. Guidelines recommend initial screening and follow up of bone mineral density with dual energy X-ray absorptiometry (DEXA) scan. In this audit we assessed the rate of adherence to these guidelines and introduced awareness measures to improve it. METHODS: All post-menopausal women who started upfront adjuvant AIs (letrozole in all patients) between January 2007 and December 2013 were retrospectively identified...
November 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28008375/knockdown-of-ewsr1-fli1-expression-alters-the-transcriptome-of-ewing-sarcoma-cells-in-vitro
#11
Jihan Wang, Wenyan Jiang, Yuzhu Yan, Chu Chen, Yan Yu, Biao Wang, Heping Zhao
Ewing sarcoma breakpoint region 1 (EWSR1) fusion with Friend leukemia integration 1 transcription factor (FLI1) induced by a translocation of chromosome 11 with 22 contributes to Ewing sarcoma development. To date, the precise molecular mechanisms about EWSR1/FLI1 involving in Ewing sarcoma development remains to be defined. This study explored the potential critical gene targets of EWSR1/FLI1 knockdown in Ewing sarcoma cells on the gene expression profile based on online dataset, performed Limma algorithm for differentially expressed genes identification, constructed the transcriptional factor (TF)-gene regulatory network based on integrate transcriptional regulatory element database (TRED)...
November 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28008374/comparative-proteomics-analysis-of-human-osteosarcoma-by-2d-dige-with-maldi-tof-tof-ms
#12
Guoxiang Wang, Zhengyao Zhang, Maoguang Yang, Bo Xu, Qi Gao, Xiaoyu Yang
Osteosarcoma (OS) is the most common primary malignant tumor of bone and the third most common cancer in childhood and adolescence. However, controversy concerning the ideal combination of chemotherapy agents ensued throughout the last quarter of the 20th century because of conflicting and often nonrandomized data. Collaborative efforts to increase understanding of the biology of osteosarcoma and the use of preclinical models to test novel protein targets will be critical to identify the path toward improving outcomes for patients...
November 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/27761377/the-role-of-extracellular-calcium-in-bone-metastasis
#13
Ines Breuksch, Maria Weinert, Walburgis Brenner
This review summarizes the role of extracellular calcium, as found present in the bone tissue, in the process of bone metastasis.
September 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/27761376/reproductive-hormones-in-breast-cancer-bone-metastasis-the-role-of-inhibins
#14
Caroline Wilson
The spread of breast cancer cells to bone and survival in this new metastatic environment is influenced not only by the genetic signature of the cells, but also multiple host cells and soluble factors produced locally (paracrine) or from distant sites (endocrine). Disrupting this metastatic process has been evaluated in clinical trials of the bone targeted agents bisphosphonates and denosumab and have shown that these agents reduce the recurrence of breast cancer in postmenopausal women only, suggesting the efficacy of the drugs are influenced by levels of reproductive endocrine hormones...
September 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/27761375/the-role-of-tumour-associated-macrophages-in-bone-metastasis
#15
Sofia Sousa, Jorma Määttä
This overview addresses the recent research developments in the role of tumour-associated macrophages (TAM) in bone metastasis biology and management of breast and prostate cancer as well as in primary and lung metastatic osteosarcoma. Immunosuppressive M2-type TAMs have been shown to associate with poor prognosis. Throughout their life cycle, macrophages (Macs) can adapt to environmental cues and influence the surroundings by secreting different cytokines and enzymes crucial to matrix remodelling, infection fighting, immune regulation and/or inflammation...
September 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/27761374/role-of-sympathetic-nerves-in-the-establishment-of-metastatic-breast-cancer-cells-in-bone
#16
Florent Elefteriou
The bone marrow microenvironment is characterized by its multicellular nature, and perhaps less obviously by the high mobility of multiple transient and stationary cell lineages present in this environment. The trafficking of hematopoietic and mesenchymal cells between the bone marrow and blood compartments is regulated by a number of bone marrow-derived factors. It is suspected that transformed metastatic cells "hijack" these processes to engraft into the skeleton and eventually cause the skeletal complications associated with metastatic disease...
September 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/27761373/cancer-associated-fibroblasts-not-so-innocent-bystanders-in-metastasis-to-bone
#17
Priyanka Prajapati, Daniel W Lambert
No abstract text is available yet for this article.
September 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/27761372/the-role-of-osteoblasts-in-bone-metastasis
#18
Penelope D Ottewell
The primary role of osteoblasts is to lay down new bone during skeletal development and remodelling. Throughout this process osteoblasts directly interact with other cell types within bone, including osteocytes and haematopoietic stem cells. Osteoblastic cells also signal indirectly to bone-resorbing osteoclasts via the secretion of RANKL. Through these mechanisms, cells of the osteoblast lineage help retain the homeostatic balance between bone formation and bone resorption. When tumour cells disseminate in the bone microenvironment, they hijack these mechanisms, homing to osteoblasts and disrupting bone homeostasis...
September 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/27761371/the-role-of-bone-marrow-adipocytes-in-bone-metastasis
#19
Emma V Morris, Claire M Edwards
Adipocytes are a significant component of the bone marrow microenvironment. Although bone marrow adipocytes were first identified more than 100 years ago, it is only in recent years that an understanding of their complex physiological role is emerging. Bone marrow adipocytes act as local regulators of skeletal biology and homeostasis, with recent studies suggesting that marrow adipose tissue is metabolically active, and can function as an endocrine organ. As such, bone marrow adipocytes have the potential to interact with tumour cells, influencing both tumour growth and bone disease...
September 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/27761370/the-role-of-hematopoietic-stem-cell-niche-in-prostate-cancer-bone-metastasis
#20
A M Decker, Y Jung, F Cackowski, R S Taichman
Approximately 80% of prostate cancers exhibit some degree of bone metastasis. The role of the bone marrow and the hematopoietic stem cell (HSC) niche in attracting metastatic cells and maintaining dormancy of disseminated tumor cells (DTCs) is an increasingly important topic towards the development of novel prostate cancer therapies. This paper reviews aspects of the HSC niche that lead to prostate cancer cell homing and dormancy in the bone marrow. This review also discusses the role of DTCs in the niche environment and discusses the role of erythropoietin in targeting DTCs within the HSC niche...
September 2016: Journal of Bone Oncology
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