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breast cancer bone metastases

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https://www.readbyqxmd.com/read/27919267/targeted-drug-delivery-of-near-ir-fluorescent-doxorubicin-conjugated-poly-ethylene-glycol-bisphosphonate-nanoparticles-for-diagnosis-and-therapy-of-primary-and-metastatic-bone-cancer-in-a-mouse-model
#1
S Rudnick-Glick, E Corem-Salkmon, I Grinberg, S Margel
BACKGROUND: Most primary and metastatic bone tumors demonstrate increased osteoclast activity and bone resorption. Current treatment is based on a combination of surgery, radiotherapy and chemotherapy. Severe side effects are associated with chemotherapy due to use of high dosage and nonspecific uptake. Bisphosphonates have a strong affinity to Ca(2+) ions and are widely used in the treatment of bone disorders. RESULTS: We have engineered a unique biodegradable bisphosphonate nanoparticle (NPs) bearing two functional surface groups: (1) primary amine groups for covalent attachment of a dye/drug (e...
December 5, 2016: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/27915436/bone-marrow-produces-sufficient-alloreactive-natural-killer-nk-cells-in-vivo-to-cure-mice-from-subcutaneously-and-intravascularly-injected-4t1-breast-cancer
#2
Michel van Gelder, Ariane Vanclée, Catharina H M J van Elssen, Pierre Hupperets, Lotte Wieten, Gerard M Bos
PURPOSE: Administration of 5 million alloreactive natural killer (NK) cells after low-dose chemo-irradiation cured mice of 4T1 breast cancer, supposedly dose dependent. We now explored the efficacy of bone marrow as alternative in vivo source of NK cells for anti-breast cancer treatment, as methods for in vitro clinical scale NK cell expansion are still in developmental phases. METHODS: Progression-free survival (PFS) after treatment with different doses of spleen-derived alloreactive NK cells to 4T1-bearing Balb/c mice was measured to determine a dose-response relation...
December 3, 2016: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/27915435/bone-remodeling-and-regulating-biomarkers-in-women-at-the-time-of-breast-cancer-diagnosis
#3
Song Yao, Yali Zhang, Li Tang, Janise M Roh, Cecile A Laurent, Chi-Chen Hong, Theresa Hahn, Joan C Lo, Christine B Ambrosone, Lawrence H Kushi, Marilyn L Kwan
PURPOSE: The majority of breast cancer patients receive endocrine therapy, including aromatase inhibitors known to cause increased bone resorption. Bone-related biomarkers at the time of breast cancer diagnosis may predict future risk of osteoporosis and fracture after endocrine therapy. METHODS: In a large population of 2,401 female breast cancer patients who later underwent endocrine therapy, we measured two bone remodeling biomarkers, TRAP5b and BAP, and two bone regulating biomarkers, RANKL and OPG, in serum samples collected at the time of breast cancer diagnosis...
December 3, 2016: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/27910200/percutaneous-sacroplasty-for-painful-bone-metastases-a-case-report
#4
Jaclyn Yoong, Ronil Vikesh Chandra, Leeroy William, Michael Franco, Tony Goldschlager, Fiona Runacres, Peter Poon
The occurrence of bone metastases is common in patients with advanced cancer. Metastatic bone disease occurs across a range of tumor types, with prostate and breast cancers having the highest incidence. Bone metastases, and associated skeletal-related events, are the most common cause of cancer-related pain. This article is protected by copyright. All rights reserved.
December 2, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/27900756/a-rare-case-of-medullary-carcinoma-thyroid-metastasizing-to-bilateral-breast-parenchyma
#5
Aamna Hassan, Maimoona Siddiqui, Sidra Jahangir
Medullary carcinoma of the thyroid (MTC) commonly spreads through the lymphatics to distant sites such as lung, liver and bone. Spread to the breast is rare. We report a case of metastatic MTC which progressed to develop nodal metastases to cer-vical and mediastinal regions, visceral metastases to the liver, lung and ultimately to bilateral breasts. Clinically it is important to distinguish metastatic breast lesions from primary breast cancer as each is managed differently. Both cytological and radio-logical investigations were done followed by excision biopsy...
2016: Nuclear Medicine Review. Central & Eastern Europe
https://www.readbyqxmd.com/read/27896639/seom-clinical-guideline-for-bone-metastases-from-solid-tumours-2016
#6
C Grávalos, C Rodríguez, A Sabino, M Á Seguí, J A Virizuela, A Carmona, J Cassinello, D Isla, C Jara, M Martín
Bone metastases are common in many advanced solid tumours, being breast, prostate, thyroid, lung, and renal cancer the most prevalent. Bone metastases can produce skeletal-related events (SREs), defined as pathological fracture, spinal cord compression, need of bone irradiation or need of bone surgery, and hypercalcaemia. Patients with bone metastases experience pain, functional impairment and have a negative impact on their quality of life. Several imaging techniques are available for diagnosis of this disease...
December 2016: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/27894335/everolimus-and-exemestane-in-long-survival-hormone-receptor-positive-male-breast-cancer-case-report
#7
Z Ballatore, M Pistelli, N Battelli, A Pagliacci, M De Lisa, R Berardi, S Cascinu
BACKGROUND: Male breast cancer is a rare event, accounting for approximately 1% of all breast carcinomas. Although men with breast cancer had poorer survival when compared with women, data on prognosis principally derive from retrospective studies and from extrapolation of female breast cancer series. We reported the case of a very long survival patient. CASE PRESENTATION: A caucasian 42-year-old man underwent radical mastectomy with axillary dissection for breast cancer in 1993...
November 28, 2016: BMC Research Notes
https://www.readbyqxmd.com/read/27893988/endothelin-signaling-in-bone
#8
REVIEW
Jasmin Kristianto, Michael G Johnson, Rafia Afzal, Robert D Blank
The endothelin (ET) system includes 3 small peptide hormones and a pair of G protein-coupled receptors. All 3 ETs are secreted as biologically inert precursors that must be activated by proteolytic cleavage after secretion. This reaction can be catalyzed by a pair of specific, membrane-bound extracellular ET converting enzymes or by nonspecific tissue proteases. The ET1/EDNRA axis is essential in development, with knockout mice for either displaying a similar phenotype featuring multiple defects of the craniofacial skeleton and cardiac outflow tract...
November 11, 2016: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/27893426/sublethal-exposure-to-alpha-radiation-223ra-dichloride-enhances-various-carcinomas-sensitivity-to-lysis-by-antigen-specific-cytotoxic-t-lymphocytes-through-calreticulin-mediated-immunogenic-modulation
#9
Anthony S Malamas, Sofia R Gameiro, Karin M Knudson, James W Hodge
Radium-223 dichloride (Xofigo®; 223Ra) is an alpha-emitting radiopharmaceutical FDA-approved for the treatment of bone metastases in patients with advanced castration-resistant prostate cancer. It is also being examined clinically in patients with breast and lung carcinoma and patients with multiple myeloma. As with other forms of radiation, the aim of 223Ra is to reduce tumor burden by directly killing tumor cells. External beam (photon) and proton radiation have been shown to augment tumor sensitivity to antigen-specific CD8+ cytotoxic T lymphocytes (CTLs)...
November 23, 2016: Oncotarget
https://www.readbyqxmd.com/read/27888633/toll-like-receptor-9-expression-is-associated-with-breast-cancer-sensitivity-to-the-growth-inhibitory-effects-of-bisphosphonates-in-vitro-and-in-vivo
#10
Jouko Sandholm, Jaakko Lehtimäki, Tamiko Ishizu, Sadanandan E Velu, Jeremy Clark, Pirkko Härkönen, Arja Jukkola-Vuorinen, Aleksi Schrey, Kevin W Harris, Johanna M Tuomela, Katri S Selander
Bisphosphonates are standard treatments for bone metastases. When given in the adjuvant setting, they reduce breast cancer mortality and recurrence in bone but only among post-menopausal patients. Optimal drug use would require biomarker-based patient selection. Such biomarkers are not yet in clinical use. Based on the similarities in inflammatory responses to bisphosphonates and Toll-like receptor (TLR) agonists, we hypothesized that TLR9 expression may affect bisphosphonate responses in cells. We compared bisphosphonate effects in breast cancer cell lines with low or high TLR9 expression...
November 24, 2016: Oncotarget
https://www.readbyqxmd.com/read/27885435/comparison-of-immunophenotypes-of-primary-breast-carcinomas-and-multiple-corresponding-distant-metastases-an-autopsy-study-of-25-patients
#11
B Szekely, Zs I Nagy, Zs Farago, O Kiss, G Lotz, K A Kovacs, L Madaras, N Udvarhelyi, M Dank, Gy Szentmartoni, Zs Baranyai, L Harsanyi, A M Tőkés, Jozsef Timar, A M Szasz, J Kulka
Phenotypical change in metastatic breast carcinoma has widely been accepted as an inherent biological feature rather than technical fault. We analyzed the immunohistochemical phenotype and histopathological features of 25 primary breast carcinomas and 90 corresponding distant metastases in 23 organs retrospectively. Histological slides were reviewed for prognostic and predictive factors. Overall, metastases were more similar to each other and often differed from the primary tumor. We created a 3-step grouping system based on the localization of metastases...
November 24, 2016: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/27867497/murine-models-of-breast-cancer-bone-metastasis
#12
Laura E Wright, Penelope D Ottewell, Nadia Rucci, Olivier Peyruchaud, Gabriel M Pagnotti, Antonella Chiechi, Jeroen T Buijs, Julie A Sterling
Bone metastases cause significant morbidity and mortality in late-stage breast cancer patients and are currently considered incurable. Investigators rely on translational models to better understand the pathogenesis of skeletal complications of malignancy in order to identify therapeutic targets that may ultimately prevent and treat solid tumor metastasis to bone. Many experimental models of breast cancer bone metastases are in use today, each with its own caveats. In this methods review, we characterize the bone phenotype of commonly utilized human- and murine-derived breast cell lines that elicit osteoblastic and/or osteolytic destruction of bone in mice and report methods for optimizing tumor-take in murine models of bone metastasis...
2016: BoneKEy Reports
https://www.readbyqxmd.com/read/27865798/adoptive-transfer-of-ex%C3%A2-vivo-expanded-v%C3%AE-9v%C3%AE-2-t-cells-in-combination-with-zoledronic-acid-inhibits-cancer-growth-and-limits-osteolysis-in-a-murine-model-of-osteolytic-breast-cancer
#13
Aneta Zysk, Mark O DeNichilo, Vasilios Panagopoulos, Irene Zinonos, Vasilios Liapis, Shelley Hay, Wendy Ingman, Vladimir Ponomarev, Gerald Atkins, David Findlay, Andrew Zannettino, Andreas Evdokiou
Bone metastases occur in over 75% of patients with advanced breast cancer and are responsible for high levels of morbidity and mortality. In this study, ex vivo expanded cytotoxic Vγ9Vδ2 T cells isolated from human peripheral blood were tested for their anti-cancer efficacy in combination with zoledronic acid (ZOL), using a mouse model of osteolytic breast cancer. In vitro, expanded Vγ9Vδ2 T cells were cytotoxic against a panel of human breast cancer cell lines, and ZOL pre-treatment further sensitised breast cancer cells to killing by Vγ9Vδ2 T cells...
November 16, 2016: Cancer Letters
https://www.readbyqxmd.com/read/27863423/cancer-cell-ccl5-mediates-bone-marrow-independent-angiogenesis-in-breast-cancer
#14
Michael John Sax, Christin Gasch, Vineel Rag Athota, Ruth Freeman, Parisa Rasighaemi, David Elton Westcott, Christopher John Day, Iva Nikolic, Benjamin Elsworth, Ming Wei, Kelly Rogers, Alexander Swarbrick, Vivek Mittal, Normand Pouliot, Albert Sleiman Mellick
It has recently been suggested that the chemokine receptor (CCR5) is required for bone marrow (BM) derived endothelial progenitor cell (EPC) mediated angiogenesis. Here we show that suppression of either cancer cell produced CCL5, or host CCR5 leads to distinctive vascular and tumor growth defects in breast cancer. Surprisingly, CCR5 restoration in the BM alone was not sufficient to rescue the wild type phenotype, suggesting that impaired tumor growth associated with inhibiting CCL5/CCR5 is not due to defects in EPC biology...
November 16, 2016: Oncotarget
https://www.readbyqxmd.com/read/27863287/bone-health-in-the-elderly-cancer-patient-a-siog-position-paper
#15
REVIEW
J J Body, E Terpos, B Tombal, P Hadji, A Arif, A Young, M Aapro, R Coleman
More than a third of cancers are diagnosed in people over the age of 75. Androgen deprivation for prostate cancer and aromatase inhibitors in breast cancer accelerate age-related bone loss and increase fracture rates. BMD should be checked by dual energy X-ray absorptiometry at baseline and, dependent on risk, every 12-24months. Sufficient calcium, vitamin D and exercise are part of primary fracture prevention. Resistance exercise in particular may improve functional activity and bone density. In men at increased fracture risk and women with postmenopausal early breast cancer, antiresorptive treatment is warranted to reduce fracture rate and to increase overall survival in breast cancer...
December 2016: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/27844410/the-great-mimicker-metastatic-breast-carcinoma-to-the-head-and-neck-with-emphasis-on-unusual-clinical-and-pathologic-features
#16
Dikson Dibe Gondim, Rebecca Chernock, Samir El-Mofty, James S Lewis
Distant metastases are relatively common in breast cancer, but spread to the head and neck region is uncommon and can be diagnostically challenging. Pathology databases of two academic hospitals were searched for patients. The diagnoses were by morphologic comparison with the primary breast specimen (when available) or through the use of immunohistochemical stains characteristic of breast carcinoma (cytokeratin 7, mammaglobin, GCDFP15, and/or GATA3 positive-excluding new primary tumors at the respective head and neck sites)...
November 14, 2016: Head and Neck Pathology
https://www.readbyqxmd.com/read/27837451/percutaneous-image-guided-cryoablation-current-applications-and-results-in-the-oncologic-field
#17
Roberto Luigi Cazzato, Julien Garnon, Nitin Ramamurthy, Guillaume Koch, Georgia Tsoumakidou, Jean Caudrelier, Francesco Arrigoni, Luigi Zugaro, Antonio Barile, Carlo Masciocchi, Afshin Gangi
Percutaneous imaging-guided cryoablation (PICA) is a recently developed technique, which applies extreme hypothermia to destroy tumours under close imaging surveillance. It is minimally invasive, safe, repeatable, and does not interrupt or compromise other oncologic therapies. It presents several advantages over more established heat-based thermal ablation techniques (e.g. radiofrequency ablation; RFA) including intrinsic analgesic properties, superior monitoring capability on multi-modal imaging, ability to treat larger tumours, and preservation of tissue collagenous architecture...
December 2016: Medical Oncology
https://www.readbyqxmd.com/read/27835867/keratin-13-expression-reprograms-bone-and-brain-metastases-of-human-prostate-cancer-cells
#18
Qinlong Li, Lijuan Yin, Lawrence W Jones, Gina C-Y Chu, Jason B-Y Wu, Jen-Ming Huang, Quanlin Li, Sungyong You, Jayoung Kim, Yi-Tsung Lu, Stefan Mrdenovic, Ruoxiang Wang, Michael R Freeman, Isla Garraway, Michael S Lewis, Leland W K Chung, Haiyen E Zhau
Lethal progression of prostate cancer metastasis can be improved by developing animal models that recapitulate the clinical conditions. We report here that cytokeratin 13 (KRT13), an intermediate filament protein, plays a directive role in prostate cancer bone, brain, and soft tissue metastases. KRT13 expression was elevated in bone, brain, and soft tissue metastatic prostate cancer cell lines and in primary and metastatic clinical prostate, lung, and breast cancer specimens. When KRT13 expression was determined at a single cell level in primary tumor tissues of 44 prostate cancer cases, KRT13 level predicted bone metastasis and the overall survival of prostate cancer patients...
November 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27835865/il-15-enhances-the-anti-tumor-activity-of-trastuzumab-against-breast-cancer-cells-but-causes-fatal-side-effects-in-humanized-tumor-mice-htm
#19
Anja K Wege, Florian Weber, Alexander Kroemer, Olaf Ortmann, Falk Nimmerjahn, Gero Brockhoff
Cancer immunotherapy has been shown to enhance established treatment regimens. We evaluated the potential reinforcing effect of IL-15 in trastuzumab treated humanized tumor mice (HTM) which were generated by concurrent transplantation of neonatal NOD-scid IL2Rγnull mice with human hematopoietic stem cells (HSC) and HER2 positive breast cancer cells (metastasizing SK-BR-3, solid tumor forming BT474). We found that trastuzumab treatment efficacy mainly depends on the immediate anti-tumorigenic cellular effect which is significantly enhanced by tumor interacting immune cells upon cotransplantion of HSC...
November 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27835603/microenvironmental-networks-promote-tumor-heterogeneity-and-enrich-for-metastatic-cancer-stem-like-cells-in-luminal-a-breast-tumor-cells
#20
Polina Weitzenfeld, Tsipi Meshel, Adit Ben-Baruch
The roles of the tumor microenvironment (TME) in generating intra-tumoral diversity within each specific breast cancer subtype are far from being fully elucidated. In this study, we exposed Luminal-A breast cancer cells in culture to combined "TME Stimulation", representing three typical arms of the breast TME: hormonal (estrogen), inflammatory (tumor necrosis factor α) and growth-promoting (epidermal growth factor). In addition to enriching the tumor cell population with CD44+/β1+ cells (as we previously published), TME Stimulation selected for CD44+/CD24low/- stem-like cells, that were further enriched by doxorubicin treatment and demonstrated high plasticity in vitro and in vivo...
November 8, 2016: Oncotarget
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