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Breast Cancer Exosomal microRNAs Facilitate Pre-Metastatic Niche Formation in the Bone: A Mathematical Model. Bull Math Biol 2023; 85:12. [PMID: 36607440 DOI: 10.1007/s11538-022-01117-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 12/26/2022] [Indexed: 01/07/2023]
Abstract
Pre-metastatic niche is a location where cancer cells, separating from a primary tumor, find "fertile soil" for growth and proliferation, ensuring successful metastasis. Exosomal miRNAs of breast cancer are known to enter the bone and degrade it, which facilitates cancer cells invasion into the bone interior and ensures its successful colonization. In this paper, we use a mathematical model to first describe, in health, the continuous remodeling of the bone by bone-forming osteoblasts, bone-resorbing osteoclasts and the RANKL-OPG-RANK signaling system, which keeps the balance between bone formation and bone resorption. We next demonstrate how breast cancer exosomal miRNAs disrupt this balance, either by increasing or by decreasing the ratio of osteoclasts/osteoblasts, which results in abnormal high bone resorption or abnormal high bone forming, respectively, and in bone weakening in both cases. Finally we consider the case of abnormally high resorption and evaluate the effect of drugs, which may increase bone density to normal level, thus protecting the bone from invasion by cancer cells.
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Midavaine É, Côté J, Sarret P. The multifaceted roles of the chemokines CCL2 and CXCL12 in osteophilic metastatic cancers. Cancer Metastasis Rev 2021; 40:427-445. [PMID: 33973098 DOI: 10.1007/s10555-021-09974-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 04/30/2021] [Indexed: 02/06/2023]
Abstract
Breast and prostate cancers have a great propensity to metastasize to long bones. The development of bone metastases is life-threatening, incurable, and drastically reduces patients' quality of life. The chemokines CCL2 and CXCL12 and their respective receptors, CCR2 and CXCR4, are central instigators involved in all stages leading to cancer cell dissemination and secondary tumor formation in distant target organs. They orchestrate tumor cell survival, growth and migration, tumor invasion and angiogenesis, and the formation of micrometastases in the bone marrow. The bone niche is of particular importance in metastasis formation, as it expresses high levels of CCL2 and CXCL12, which attract tumor cells and contribute to malignancy. The limited number of available effective treatment strategies highlights the need to better understand the pathophysiology of bone metastases and reduce the skeletal tumor burden in patients diagnosed with metastatic bone disease. This review focuses on the involvement of the CCL2/CCR2 and CXCL12/CXCR4 chemokine axes in the formation and development of bone metastases, as well as on therapeutic perspectives aimed at targeting these chemokine-receptor pairs.
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Affiliation(s)
- Élora Midavaine
- Department of Pharmacology and Physiology, Faculty of Medicine and Health Sciences, Institut de pharmacologie de Sherbrooke, Université de Sherbrooke, 3001, 12e Avenue Nord, Sherbrooke, QC, Canada. .,Centre de recherche du Centre hospitalier universitaire de Sherbrooke, CIUSSS de l'Estrie - CHUS, Sherbrooke, QC, Canada.
| | - Jérôme Côté
- Department of Pharmacology and Physiology, Faculty of Medicine and Health Sciences, Institut de pharmacologie de Sherbrooke, Université de Sherbrooke, 3001, 12e Avenue Nord, Sherbrooke, QC, Canada.,Centre de recherche du Centre hospitalier universitaire de Sherbrooke, CIUSSS de l'Estrie - CHUS, Sherbrooke, QC, Canada
| | - Philippe Sarret
- Department of Pharmacology and Physiology, Faculty of Medicine and Health Sciences, Institut de pharmacologie de Sherbrooke, Université de Sherbrooke, 3001, 12e Avenue Nord, Sherbrooke, QC, Canada.,Centre de recherche du Centre hospitalier universitaire de Sherbrooke, CIUSSS de l'Estrie - CHUS, Sherbrooke, QC, Canada
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Tuffour A, Kosiba AA, Zhang Y, Peprah FA, Gu J, Shi H. Role of the calcium-sensing receptor (CaSR) in cancer metastasis to bone: Identifying a potential therapeutic target. Biochim Biophys Acta Rev Cancer 2021; 1875:188528. [PMID: 33640382 DOI: 10.1016/j.bbcan.2021.188528] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 02/16/2021] [Accepted: 02/20/2021] [Indexed: 12/20/2022]
Abstract
Cancer is a major cause of morbidity and mortality worldwide due to its ability to evade immune surveillance and metastasize from its origin to a secondary point of contact. Though several treatment techniques have been developed to suppress or manage cancer spread, a strategy for total control over the disease continues to evade researchers. In considering ways to control or prevent cancer from metastasizing to the bone, we analyze the impact of the calcium-sensing receptor (CaSR), whose primary role is to maintain calcium (Ca2+) homeostasis in cellular and systemic physiological processes. CaSR is a pleiotropic receptor capable of enhancing the proliferation of some cancers such as breast, lung, prostate and kidney cancers at its primary site(s) and stimulating bone metastasis, while exerting a suppressive effect in others such as colon cancer. The activity of CaSR not only increases cancer cell proliferation, migration and suppression of apoptosis in the organs indicated, but also increases the secretion of parathyroid hormone-related protein (PTHrP) and epiregulin, which induce osteolytic activity and osteoblastic suppression. In addition, released cytokines and Ca2+ from bone resorption are critical factors that further promote cancer proliferation. In this review, we seek to highlight previous viewpoints on CaSR, discuss its role in a new context, and consider its potential clinical application in cancer treatment.
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Affiliation(s)
- Alex Tuffour
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
| | | | - Yao Zhang
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Frank Addai Peprah
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Jie Gu
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Haifeng Shi
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
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Systematic review and meta-analysis on the proportion of patients with breast cancer who develop bone metastases. Crit Rev Oncol Hematol 2017; 115:67-80. [DOI: 10.1016/j.critrevonc.2017.04.008] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Revised: 04/07/2017] [Accepted: 04/19/2017] [Indexed: 12/30/2022] Open
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Simmons JK, Hildreth BE, Supsavhad W, Elshafae SM, Hassan BB, Dirksen WP, Toribio RE, Rosol TJ. Animal Models of Bone Metastasis. Vet Pathol 2015; 52:827-41. [PMID: 26021553 DOI: 10.1177/0300985815586223] [Citation(s) in RCA: 102] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Bone is one of the most common sites of cancer metastasis in humans and is a significant source of morbidity and mortality. Bone metastases are considered incurable and result in pain, pathologic fracture, and decreased quality of life. Animal models of skeletal metastases are essential to improve the understanding of the molecular pathways of cancer metastasis and growth in bone and to develop new therapies to inhibit and prevent bone metastases. The ideal animal model should be clinically relevant, reproducible, and representative of human disease. Currently, an ideal model does not exist; however, understanding the strengths and weaknesses of the available models will lead to proper study design and successful cancer research. This review provides an overview of the current in vivo animal models used in the study of skeletal metastases or local tumor invasion into bone and focuses on mammary and prostate cancer, lymphoma, multiple myeloma, head and neck squamous cell carcinoma, and miscellaneous tumors that metastasize to bone.
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Affiliation(s)
- J K Simmons
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - B E Hildreth
- Department of Veterinary Clinical Sciences, The Ohio State University, Columbus, OH, USA
| | - W Supsavhad
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - S M Elshafae
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - B B Hassan
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - W P Dirksen
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - R E Toribio
- Department of Veterinary Clinical Sciences, The Ohio State University, Columbus, OH, USA
| | - T J Rosol
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
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Singh T, Kaur V, Kumar M, Kaur P, Murthy RSR, Rawal RK. The critical role of bisphosphonates to target bone cancer metastasis: an overview. J Drug Target 2014; 23:1-15. [DOI: 10.3109/1061186x.2014.950668] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Does estrogen play a role in response to adjuvant bone-targeted therapies? J Bone Oncol 2013; 2:167-73. [PMID: 26909288 PMCID: PMC4723380 DOI: 10.1016/j.jbo.2013.06.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2013] [Revised: 06/21/2013] [Accepted: 06/30/2013] [Indexed: 12/29/2022] Open
Abstract
Bone remains the most common site of breast cancer recurrence. The results of population studies, pre-clinical research and clinical studies in patients with metastatic disease provided a rationale for testing bone-targeted agents in the adjuvant setting. Despite the initial optimism, results from eight prospectively designed, randomized control studies powered to assess the value of adjuvant bone-targeted therapy in early breast cancer are conflicting. Data have shown that, where benefit exists, it tends to be in women with a “low estrogen environment”, either through menopause or suppression of ovarian function. In this manuscript, we review clinical data supporting the hypothesis that estrogen levels may play a part in explaining the response of patients to bone-targeted agents in the adjuvant setting. The results presented to date suggest that there may be data supporting a unifying role for estrogen in adjuvant trials. However, in the absence of any prospective randomized trials in which estrogen data has been systematically collected we cannot specifically answer this question. We await the results of the Oxford overview analysis of individual patient data with interest.
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Zheng Y, Zhou H, Dunstan CR, Sutherland RL, Seibel MJ. The role of the bone microenvironment in skeletal metastasis. J Bone Oncol 2012; 2:47-57. [PMID: 26909265 PMCID: PMC4723345 DOI: 10.1016/j.jbo.2012.11.002] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Revised: 11/22/2012] [Accepted: 11/22/2012] [Indexed: 01/27/2023] Open
Abstract
The bone microenvironment provides a fertile soil for cancer cells. It is therefore not surprising that the skeleton is a frequent site of cancer metastasis. It is believed that reciprocal interactions between tumour and bone cells, known as the “vicious cycle of bone metastasis” support the establishment and orchestrate the expansion of malignant cancers in bone. While the full range of molecular mechanisms of cancer metastasis to bone remain to be elucidated, recent research has deepened our understanding of the cell-mediated processes that may be involved in cancer cell survival and growth in bone. This review aims to address the importance of the bone microenvironment in skeletal cancer metastasis and discusses potential therapeutic implications of novel insights.
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Affiliation(s)
- Yu Zheng
- Bone Research Program, ANZAC Research Institute, University of Sydney, NSW 2139, Australia; The Kinghorn Cancer Centre and Cancer Research Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
| | - Hong Zhou
- Bone Research Program, ANZAC Research Institute, University of Sydney, NSW 2139, Australia
| | - Colin R Dunstan
- Bone Research Program, ANZAC Research Institute, University of Sydney, NSW 2139, Australia; Department of Biomedical Engineering, University of Sydney, NSW 2006, Australia
| | - Robert L Sutherland
- The Kinghorn Cancer Centre and Cancer Research Program, Garvan Institute of Medical Research, Sydney, NSW 2010, Australia
| | - Markus J Seibel
- Bone Research Program, ANZAC Research Institute, University of Sydney, NSW 2139, Australia; Department of Endocrinology & Metabolism, Concord Hospital, Concord, Sydney, NSW 2139, Australia
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Russell K, Clemons M, Costa L, Addison CL. Adjuvant bisphosphonate treatment for breast cancer: Where are we heading and can the pre-clinical literature help us get there? J Bone Oncol 2012; 1:12-7. [PMID: 26909249 PMCID: PMC4723323 DOI: 10.1016/j.jbo.2012.04.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2012] [Revised: 04/14/2012] [Accepted: 04/16/2012] [Indexed: 11/18/2022] Open
Abstract
Bisphosphonates have demonstrated anti-tumour activity in preclinical studies of bone metastatic disease, thus it was natural to transition these agents into the adjuvant cancer therapy setting. Surprisingly, the results of adjuvant breast cancer trials have shown either modest to no benefit or even harm. We sought to explore whether the preclinical results supporting bisphosphonate use provided clues to help explain the current clinical data. Interestingly, the majority of preclinical data suggested that bisphosphonate treatment was more efficacious when administered after the establishment of osseous metastases. This is similar to the findings of one clinical study whereby patients with biopsy evidence of osseous micrometastases derive greater survival benefit from bisphosphonate treatment. Another clinical study found bisphosphonates were associated with increased incidence of visceral metastases, similar to what has been previously published in preclinical models using “preventative” dosing strategies. While the current clinical data suggest bisphosphonates may be more efficacious in post-menopausal or oestrogen depleted patients, or those with hormone receptor positive tumours, to date no appropriately designed preclinical studies have evaluated these effects. Furthermore, putative mechanisms that regulate response to bisphosphonates in other tumour types remain to be evaluated in breast cancer. Despite the initial optimism regarding adjuvant bisphosphonate therapy, the conflicting clinical results from large trials suggest that we should return to the bench to further investigate factors that may influence response to bisphosphonate treatment or identify appropriate characteristics that would indicate the sub-groups of patients most likely to benefit from bisphosphonate treatment.
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Affiliation(s)
- Kent Russell
- Division of Medical Oncology, Ottawa Hospital Cancer Centre and Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Mark Clemons
- Division of Medical Oncology, Ottawa Hospital Cancer Centre and Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
- Cancer Therapeutics Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Luis Costa
- Serviço de Oncologia do Hospital de Santa Maria and Instituto de Medicina Molecular, Lisbon, Portugal
| | - Christina L. Addison
- Cancer Therapeutics Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
- Corresponding author at: Cancer Therapeutics Program, Ottawa Hospital Research Institute, Box 926, 3rd Floor TOHRCC, Ottawa, ON, Canada K1H 8L6. Tel.: +1 613 737 7700; fax: +1 613 247 3524.
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Gnant M, Dubsky P, Hadji P. Bisphosphonates: prevention of bone metastases in breast cancer. Recent Results Cancer Res 2012; 192:65-91. [PMID: 22307370 DOI: 10.1007/978-3-642-21892-7_3] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Disease recurrence and distant metastases remain challenging for patients with breast cancer despite advances in early diagnosis, surgical expertise, and adjuvant therapy. Bone is the most common site for breast cancer metastasis, and the bone microenvironment plays a crucial role in harboring disseminated tumor cells (DTCs), a putative source of late relapse in and outside bone. Therefore, agents that affect bone metabolism might not only prevent the development of bone lesions but also provide meaningful reductions in the risk of relapse both in bone and beyond. Bisphosphonates bind to mineralized bone surfaces and are ingested by osteoclasts, wherein they inhibit osteolysis, thereby preventing the release of growth factors from the bone matrix. Therefore, the bone microenvironment becomes less conducive to survival and growth of DTCs and bone lesion formation. Recent trials of zoledronic acid in the adjuvant setting in breast cancer have demonstrated reduced disease recurrence in bone and other sites in premenopausal and postmenopausal women with early breast cancer. Based on the proven effect of bone protection during adjuvant endocrine therapy, new treatment guidelines recommend the routine use of bisphosphonates to prevent bone loss during adjuvant therapy, which may likely become the standard practice.
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Affiliation(s)
- Michael Gnant
- Department of Surgery, Medical University of Vienna, Wien, Austria.
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Chappard D, Bouvard B, Baslé MF, Legrand E, Audran M. Bone metastasis: histological changes and pathophysiological mechanisms in osteolytic or osteosclerotic localizations. A review. Morphologie 2011; 95:65-75. [PMID: 21620753 DOI: 10.1016/j.morpho.2011.02.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The development of a bone metastasis involves interactions between the tumor cells, the bone marrow microenvironment and the bone cells themselves. A better understanding of the pathophysiological changes occurring in bone metastasis can be obtained from histopathological examination of invaded specimens. This review focuses on the main molecular mechanisms implied in the localization and growth of malignant cells in the bone marrow. The corresponding histologic developmental stages are illustrated both in osteolytic (or mixed metastasis) or in the osteosclerotic forms by histological analysis, immunohistochemistry and microcomputed tomographic analysis of bone samples. In both cases, the malignant cells find a "fertile soil" in the bone marrow microenvironment. They use the growth factors released by bone cells for the coupling between osteoclasts/osteoblasts to promote their own development. In turn, they elaborate a variety of cytokines that can promote osteoclastogenesis (PTHrP, IL-1, IL-6…) or on the contrary, other growth factors that can boost the osteoblastic activity (ET1, IGFs). A "vicious circle" occurs between the malignant cells and the bone cells leading to the radiological expression of the metastasis.
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Affiliation(s)
- D Chappard
- U922-LHEA, Inserm, IRIS-IBS institut de biologie en santé, CHU d'Angers, 49933 Angers cedex, France.
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Motte L, Benyettou F, de Beaucorps C, Lecouvey M, Milesovic I, Lalatonne Y. Multimodal superparamagnetic nanoplatform for clinical applications: immunoassays, imaging & therapy. Faraday Discuss 2011; 149:211-25; discussion 227-45. [DOI: 10.1039/c005286h] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Pukrop T, Dehghani F, Chuang HN, Lohaus R, Bayanga K, Heermann S, Regen T, Van Rossum D, Klemm F, Schulz M, Siam L, Hoffmann A, Trümper L, Stadelmann C, Bechmann I, Hanisch UK, Binder C. Microglia promote colonization of brain tissue by breast cancer cells in a Wnt-dependent way. Glia 2010; 58:1477-89. [PMID: 20549749 DOI: 10.1002/glia.21022] [Citation(s) in RCA: 149] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Although there is increasing evidence that blood-derived macrophages support tumor progression, it is still unclear whether specialized resident macrophages, such as brain microglia, also play a prominent role in metastasis formation. Here, we show that microglia enhance invasion and colonization of brain tissue by breast cancer cells, serving both as active transporters and guiding rails. This is antagonized by inactivation of microglia as well as by the Wnt inhibitor Dickkopf-2. Proinvasive microglia demonstrate altered morphology, but neither upregulation of M2-like cytokines nor differential gene expression. Bacterial lipopolysacharide shifts tumor-educated microglia into a classical M1 phenotype, reduces their proinvasive function, and unmasks inflammatory and Wnt signaling as the most strongly regulated pathways. Histological findings in human brain metastases underline the significance of these results. In conclusion, microglia are critical for the successful colonization of the brain by epithelial cancer cells, suggesting inhibition of proinvasive microglia as a promising antimetastatic strategy.
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Affiliation(s)
- Tobias Pukrop
- Department of Hematology/Oncology, University of Göttingen, Göttingen, Germany.
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Saad F, Abrahamsson PA, Miller K. Preserving bone health in patients with hormone-sensitive prostate cancer: the role of bisphosphonates. BJU Int 2010; 104:1573-9. [PMID: 20053188 DOI: 10.1111/j.1464-410x.2009.08952.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Men with prostate cancer initiating androgen-deprivation therapy (ADT) may have multiple factors that threaten their skeletal health, including increased fracture risk from bone loss during ADT and the propensity to develop bone metastases, which may lead to skeletal-related events (SREs). Bisphosphonates have utility in oncology for patients with bone metastases to prevent bone loss during hormonal therapy and in the benign setting to treat osteoporosis. These agents have an emerging role in patients with hormone-sensitive prostate cancer (HSPC). Etidronate, alendronate, pamidronate, and zoledronic acid have all shown efficacy in preventing ADT-related bone loss. Alendronate and zoledronic acid have also been shown to increase bone mineral density vs baseline during ADT. Patients with bone metastases from HSPC who received 4 mg zoledronic acid every 3 or 4 weeks had a low incidence of skeletal complications, although controlled study data have not been reported. Bisphosphonate treatment in men with HSPC may be effective for the prevention of ADT-related bone loss, underscoring the importance of treating early to avoid SREs and potentially delay disease progression to metastatic bone disease.
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Affiliation(s)
- Fred Saad
- Malmö University Hospital, Malmö, Sweden.
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Wadas TJ, Deng H, Sprague JE, Zheleznyak A, Weilbaecher KN, Anderson CJ. Targeting the alphavbeta3 integrin for small-animal PET/CT of osteolytic bone metastases. J Nucl Med 2009; 50:1873-80. [PMID: 19875645 DOI: 10.2967/jnumed.109.067140] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
UNLABELLED This article describes the evaluation of the radiopharmaceutical (64)Cu-CB-TE2A-c(RGDyK) ((64)Cu-RGD) as an imaging agent for osteolytic bone metastases and their associated inflammation by targeting of the alpha(v)beta(3) integrin on osteoclasts and the proinflammatory cells involved at the bone metastatic site. METHODS The (64)Cu-RGD radiotracer was evaluated in the transgenic mouse expressing Tax (Tax(+)), which spontaneously develops osteolytic tumors throughout the vertebrae and hind limbs, using biodistribution studies and small-animal PET/CT. Histologic analysis was also performed on Tax(+) mouse tails, using hematoxylin and eosin and tartrate-resistant acid phosphatase to confirm the presence of osteolytic bone lesions and the presence of osteoclasts, respectively. Additionally, a proof-of-principle study was conducted with a small group of Tax(+) animals presenting with osteolytic lesions. These animals were treated with the bisphosphonate zoledronic acid and imaged with (64)Cu-RGD to determine whether this radiopharmaceutical was sensitive enough to detect a response to the bisphosphonate therapy. RESULTS Biodistribution studies using (64)Cu-RGD demonstrated that Tax(+) mice between the ages of 6 and 12 mo had a greater accumulation of activity in their tail vertebrae than did the wild-type (WT) cohort (P = 0.013). Additionally, Tax(+) mice between the ages of 6 and 12 mo had significantly more tracer activity associated with their tail vertebrae than did Tax(+) mice older than 12 mo (P = 0.003), suggesting that earlier bone metastases cause an increased recruitment of alpha(v)beta(3)-expressing cells. Small-animal PET/CT with (64)Cu-RGD was conducted on Tax(+) and WT mice. On the basis of standardized uptake value analysis, Tax(+) mice had approximately 2-fold more tail-associated activity than did WT animals (P = 0.0157). Additionally, decreases in uptake were observed in the tails of Tax(+) mice after treatment with the osteoclast inhibitor zoledronic acid, and histologic analysis of Tax(+) mouse-tail vertebrae revealed the presence of Tax(+) tumor cells, osteoclasts, and proinflammatory cells within the bone microenvironment. CONCLUSION Together, these data suggest that (64)Cu-RGD has the potential to effectively image osteolytic bone metastases and monitor the physiologic changes in the bone metastatic microenvironment after osteoclast-inhibiting bisphosphonate therapy.
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Affiliation(s)
- Thaddeus J Wadas
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri 63110, USA
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Freedman OC, Amir E, Clemons MJ. Adjuvant bisphosphonate therapy for breast cancer patients: Standard of care or future direction? Crit Rev Oncol Hematol 2009; 72:56-64. [PMID: 19307138 DOI: 10.1016/j.critrevonc.2009.03.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2008] [Revised: 02/24/2009] [Accepted: 03/04/2009] [Indexed: 11/29/2022] Open
Abstract
Bone is the most common site of metastatic spread in breast cancer patients. The use of bisphosphonates (BPs) in women with bone metastases from breast cancer has been shown to reduce the incidence, and delay the onset of, skeletal-related events. Indeed, BPs are now an established standard of care in treating patients with bone metastases. As with many new therapies, once efficacy in the metastatic setting is demonstrated, therapies are tested in the adjuvant setting. There are a number of trials that have tested the hypothesis that BP therapy in women with early breast cancer may not only reduce the development of skeletal metastases but also improve both disease-free and overall survival; recent randomized trials have demonstrated intriguing results regarding the possible anticancer effects of adjuvant BP therapy. Furthermore, interesting signals are filtering through from trials evaluating the role of BPs to prevent cancer-treatment induced bone loss. Many of these trials will be reported in the near future. In this article we review possible subgroups that may benefit from adjuvant treatment with BPs, and ongoing trials that may offer more definitive answers.
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Affiliation(s)
- Orit C Freedman
- Division of Medical Oncology, Princess Margaret Hospital, Toronto, Ontario, Canada.
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Tuomela JM, Valta MP, Väänänen K, Härkönen PL. Alendronate decreases orthotopic PC-3 prostate tumor growth and metastasis to prostate-draining lymph nodes in nude mice. BMC Cancer 2008; 8:81. [PMID: 18371232 PMCID: PMC2294135 DOI: 10.1186/1471-2407-8-81] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2007] [Accepted: 03/28/2008] [Indexed: 12/13/2022] Open
Abstract
Background Metastatic prostate cancer is associated with a high morbidity and mortality but the spreading mechanisms are still poorly understood. The aminobisphosphonate alendronate, used to reduce bone loss, has also been shown to inhibit the invasion and migration of prostate cancer cells in vitro. We used a modified orthotopic PC-3 nude mouse tumor model of human prostate cancer to study whether alendronate affects prostate tumor growth and metastasis. Methods PC-3 cells (5 × 105) were implanted in the prostates of nude mice and the mice were treated with alendronate (0.5 mg/kg/day in PBS, s.c.) or vehicle for 4 weeks. After sacrifice, the sizes of tumor-bearing prostates were measured and the tumors and prostate-draining regional iliac and sacral lymph nodes were excised for studies on markers of proliferation, apoptosis, angiogenesis and lymphangiogenesis, using histomorphometry and immunohistochemistry. Results Tumor occurrence in the prostate was 73% in the alendronate-treated group and 81% in the control group. Mean tumor size (218 mm3, range: 96–485 mm3, n = 11) in the alendronate-treated mice was 41% of that in the control mice (513 mm3, range: 209–1350 mm3, n = 13) (p < 0.05). In the iliac and sacral lymph nodes of alendronate-treated mice, the proportion of metastatic area was only about 10% of that in control mice (p < 0.001). Immunohistochemical staining of tumor sections showed that alendronate treatment caused a marked decrease in the number of CD34-positive endothelial cells in tumors (p < 0.001) and an increase in that of ISEL positive apoptotic cells in tumors as well as in lymph node metastases (p < 0.05) compared with those in the vehicle-treated mice. The density of m-LYVE-1-stained lymphatic capillaries was not changed. Conclusion Our results demonstrate that alendronate treatment opposes growth of orthotopic PC-3 tumors and decreases tumor metastasis to prostate-draining lymph nodes. This effect could be at least partly explained by decreased angiogenesis and increased apoptosis. The results suggest that bisphosphonates have anti-tumoral and anti-invasive effects on primary prostate cancer.
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Affiliation(s)
- Johanna M Tuomela
- Institute of Biomedicine, Department of Anatomy, University of Turku, Finland.
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Demadis KD, Papadaki M, Raptis RG, Zhao H. 2D and 3D alkaline earth metal carboxyphosphonate hybrids: Anti-corrosion coatings for metal surfaces. J SOLID STATE CHEM 2008. [DOI: 10.1016/j.jssc.2007.12.034] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Roodman GD, Dougall WC. RANK ligand as a therapeutic target for bone metastases and multiple myeloma. Cancer Treat Rev 2007; 34:92-101. [PMID: 17964729 DOI: 10.1016/j.ctrv.2007.09.002] [Citation(s) in RCA: 78] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2007] [Revised: 09/06/2007] [Accepted: 09/11/2007] [Indexed: 10/22/2022]
Abstract
Osteoclastic bone resorption is a critical component of skeletal complications of malignancy including fracture, bone pain, hypercalcemia, and spinal cord compression. Three proteins, RANKL, RANK, and OPG have been recently identified as key determinants of osteoclastogenesis and the regulation of bone resorption. Both RANKL and OPG can be aberrantly regulated in the cancer setting and function as important gatekeepers of tumor-induced osteolytic bone disease. RANKL-induced osteoclastogenesis not only mediates osteolytic bone disease, but also contributes to the pathogenesis of osteoblastic bone disease resulting from tumors. In addition, an important role was recently described for bone marrow derived RANKL to mediate the bone-specific tropism of RANK-expressing tumor cells. This manuscript will review how RANKL contributes to skeletal complications of cancer and the development of targeted, mechanism-based drugs that inhibit RANKL.
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Affiliation(s)
- G David Roodman
- University of Pittsburgh School of Medicine and VA Medical Center, VA Pittsburgh Healthcare System, Research and Development (151-U), Pittsburgh, PA 15240, USA.
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21
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Powles T, McCroskey E, Paterson A. Oral Bisphosphonates as Adjuvant Therapy for Operable Breast Cancer. Clin Cancer Res 2006; 12:6301s-6304s. [PMID: 17062718 DOI: 10.1158/1078-0432.ccr-06-1211] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Bone is the most common site of metastatic spread from primary operable breast cancer, causing pain, fractures, and hypercalcemia. This spread depends on the release of osteolytic substances by the cancer cells, which activate osteoclasts to cause bone resorption. The osteoclasts also release growth factors that can act back on the cancer cells to activate growth. This vicious circle thereby facilitates the growth of metastases in bone, thus making this a preferential site for relapse. Agents, such as the bisphosphonates, which block osteoclast function, have been shown to reduce the progression of established bone metastases. The oral bisphosphonate clodronate (1,600 mg/d) is effective for treatment of patients with bone metastases. When used as adjuvant therapy, given to patients with operable breast cancer for 2 years, clodronate has been reported to significantly reduce the risk of bone metastases during the 2-year study period [19 clodronate patients versus 35 placebo patients; hazard ratio (HR), 0.546; P=0.03] and 5-year study period (51 clodronate patients versus 73 placebo patients; HR, 0.692; P=0.04) with a significant reduction in mortality (HR, 0.768; P=0.048). This benefit, together with the low toxicity and safety of clodronate, supports its use as additional adjuvant therapy for patients with primary breast cancer. Further, similarly designed trials are under way to establish the optimal duration of therapy, the efficacy in stage I disease, and the relative potential of other bisphosphonates, particularly the more powerful aminobisphosphonates, such as ibandronate and zoledronate.
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Affiliation(s)
- Trevor Powles
- Parkside Oncology Clinic, London, and University of Sheffield, United Kingdom.
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22
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Powles T, Paterson A, McCloskey E, Schein P, Scheffler B, Tidy A, Ashley S, Smith I, Ottestad L, Kanis J. Reduction in bone relapse and improved survival with oral clodronate for adjuvant treatment of operable breast cancer [ISRCTN83688026]. Breast Cancer Res 2006; 8:R13. [PMID: 16542503 PMCID: PMC1557723 DOI: 10.1186/bcr1384] [Citation(s) in RCA: 215] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2004] [Revised: 12/16/2005] [Accepted: 02/03/2006] [Indexed: 11/24/2022] Open
Abstract
Introduction Experimental and clinical data show that the oral bisphosphonate clodronate (Bonefos®) can inhibit tumor-induced osteoclastic bone resorption. This randomized, double-blind, placebo-controlled, multicenter trial was designed to determine if the addition of oral clodronate to standard treatment for primary operable breast cancer could reduce the subsequent occurrence of bone metastases and thereby improve overall survival. Methods 1,069 patients with primary operable stage I-III breast cancer were randomized to receive oral clodronate (1,600 mg/day) or placebo for 2 years, in conjunction with standard treatment for primary breast cancer including surgery, radiotherapy, adjuvant chemotherapy, and/or tamoxifen. All patients were assessed for bone metastases at two and five years and additionally when clinically indicated. Survival status was determined as of the close of the study on 30 June 2000 with a median follow up of 5.6 years. The treatment arms were compared using the unstratified log-rank test. Hazard ratios (HRs) with 95% confidence intervals were calculated. Results Oral clodronate significantly reduced the risk of bone metastases in all patients over the 5 year study period (51 patients versus 73 patients with placebo; HR = 0.692, P = 0.043); the difference was also statistically significant over the 2 year medication period (19 patients versus 35 patients with placebo; HR = 0.546, P = 0.031). These differences were most pronounced in patients with stage II/III disease (39 patients versus 64 patients with placebo, HR = 0.592, P = 0.009 over 5 years; 16 patients versus 32 patients with placebo, HR= 0.496, P = 0.020 over 2 years). Survival data also favoured the clodronate arm (HR for all patients = 0.768, P = 0.048; HR for stage II/III disease = 0.743, P = 0.041), although this was not significant due to multiple analyses. Oral clodronate was well tolerated, with mild-to-moderate diarrhoea being the most frequently reported adverse event. Conclusion These results confirm that oral clodronate will significantly improve the 5 year bone relapse free survival when used as a supplementary adjuvant treatment for patients receiving standard treatment for primary operable breast cancer.
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Affiliation(s)
| | | | - Eugene McCloskey
- WHO Collaborating Centre for Metabolic Bone Diseases, University of Sheffield Medical School, Sheffield, UK
| | - Phil Schein
- Department of Clinical Pharmacology, University of Oxford, Oxford, UK
| | | | | | | | | | | | - John Kanis
- WHO Collaborating Centre for Metabolic Bone Diseases, University of Sheffield Medical School, Sheffield, UK
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Guo W, Zhu H, Zhang L, Davis J, Teraishi F, Roth JA, Stephens C, Fueyo J, Jiang H, Conrad C, Fang B. Combination effect of oncolytic adenovirotherapy and TRAIL gene therapy in syngeneic murine breast cancer models. Cancer Gene Ther 2006; 13:82-90. [PMID: 16037823 PMCID: PMC1343537 DOI: 10.1038/sj.cgt.7700863] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2004] [Revised: 04/04/2005] [Accepted: 04/12/2005] [Indexed: 11/08/2022]
Abstract
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) gene therapy and oncolytic adenovirotherapy have been investigated extensively in xenografic human tumor models established in immunocompromised nude mice. However, the effects of these therapies on syngeneic murine tumors in immunocompetent settings were not well documented. We hypothesized that TRAIL gene therapy used with an oncolytic adenovirus would overcome the weaknesses of the two therapies used individually. In this study, we evaluated the antitumor effects of an oncolytic adenovirus, Delta24, in both human and murine breast cancer cell lines. We also analyzed the effects of TRAIL gene therapy combined with oncolytic virotherapy in these cancer cells. Our results showed that Delta24 can replicate and help the E1-deleted adenovector replicate in murine cancer cells. We also found that these two therapies combined had greater antitumor activity than either one alone in both human and murine breast cancer cells lines and in the syngeneic breast cancer models established in immunocompetent mice. Moreover, Delta24 virotherapy alone and combined with TRAIL gene therapy dramatically reduced the spontaneous liver metastasis that originated in the subcutaneous 4T1 tumor established in Balb/c mice. These findings provide important considerations in the development and preclinical assessments of oncolytic virotherapy.
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Affiliation(s)
- Wei Guo
- Department of Thoracic and Cardiovascular Surgery
| | - Hongbo Zhu
- Department of Thoracic and Cardiovascular Surgery
- Department of Surgical Oncology, Sir Run Run Shaw Hospital, Zhejiang University, China
| | - Lidong Zhang
- Department of Thoracic and Cardiovascular Surgery
| | - John Davis
- Department of Thoracic and Cardiovascular Surgery
- Program in Gene Therapy and Virology, The University of Texas Graduate School of Biomedical Sciences, Houston, TX 77030, USA
| | | | - Jack A. Roth
- Department of Thoracic and Cardiovascular Surgery
| | | | - Juan Fueyo
- Neuro-Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX 77030, USA
| | - Hong Jiang
- Neuro-Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX 77030, USA
| | - Charles Conrad
- Neuro-Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX 77030, USA
| | - Bingliang Fang
- Department of Thoracic and Cardiovascular Surgery
- Program in Gene Therapy and Virology, The University of Texas Graduate School of Biomedical Sciences, Houston, TX 77030, USA
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24
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Forsea AM, Müller C, Riebeling C, Orfanos CE, Geilen CC. Nitrogen-containing bisphosphonates inhibit cell cycle progression in human melanoma cells. Br J Cancer 2004; 91:803-10. [PMID: 15280922 PMCID: PMC2364766 DOI: 10.1038/sj.bjc.6602052] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Cutaneous melanoma is one of the highly malignant human tumours, due to its tendency to generate early metastases and its resistance to classical chemotherapy. We recently demonstrated that pamidronate, a nitrogen-containing bisphosphonate, has an antiproliferative and proapoptotic effect on different melanoma cell lines. In the present study, we compared the in vitro effects of three different bisphosphonates on human melanoma cell lines and we demonstrated that the two nitrogen-containing bisphosphonates pamidronate and zoledronate inhibited the proliferation of melanoma cells and induced apoptosis in a dose- and time-dependent manner. Moreover, cell cycle progression was altered, the two compounds causing accumulation of the cells in the S phase of the cycle. In contrast, the nonaminobisphosphonate clodronate had no effect on melanoma cells. These findings suggest a direct antitumoural effect of bisphosphonates on melanoma cells in vitro and further support the hypothesis of different intracellular mechanisms of action for nitrogen-containing and nonaminobisphosphonates. Our data indicate that nitrogen-containing bisphosphonates may be a useful novel therapeutic class for treatment and/or prevention of melanoma metastases.
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Affiliation(s)
- A-M Forsea
- Ist Clinic of Dermatology, Colentina Hospital, ‘Carol Davila’ University of Medicine and Pharmacy, Bucharest, Romania
| | - C Müller
- Department of Dermatology, Charité University Medical Center Berlin, Campus Benjamin Franklin, Fabeckstrasse 60-62, Berlin-Dahlem D-14195, Germany
| | - C Riebeling
- Department of Biological Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel
| | - C E Orfanos
- Department of Dermatology, Charité University Medical Center Berlin, Campus Benjamin Franklin, Fabeckstrasse 60-62, Berlin-Dahlem D-14195, Germany
| | - C C Geilen
- Department of Dermatology, Charité University Medical Center Berlin, Campus Benjamin Franklin, Fabeckstrasse 60-62, Berlin-Dahlem D-14195, Germany
- Department of Dermatology, Charité University Medical Center Berlin, Campus Benjamin Franklin, Fabeckstrasse 60-62, Berlin-Dahlem D-14195, Germany. E-mail:
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25
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Bonucci E. Physiopathology of cancer metastases in bone and of the changes they induce in bone remodeling. ACTA ACUST UNITED AC 2002. [DOI: 10.1007/bf02904492] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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