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Arakil N, Akhund SA, Elaasser B, Mohammad KS. Intersecting Paths: Unraveling the Complex Journey of Cancer to Bone Metastasis. Biomedicines 2024; 12:1075. [PMID: 38791037 PMCID: PMC11117796 DOI: 10.3390/biomedicines12051075] [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: 03/17/2024] [Revised: 04/27/2024] [Accepted: 05/10/2024] [Indexed: 05/26/2024] Open
Abstract
The phenomenon of bone metastases presents a significant challenge within the context of advanced cancer treatments, particularly pertaining to breast, prostate, and lung cancers. These metastatic occurrences stem from the dissemination of cancerous cells into the bone, thereby interrupting the equilibrium between osteoblasts and osteoclasts. Such disruption results in skeletal complications, adversely affecting patient morbidity and quality of life. This review discusses the intricate interplay between cancer cells and the bone microenvironment, positing the bone not merely as a passive recipient of metastatic cells but as an active contributor to cancer progression through its distinctive biochemical and cellular makeup. A thorough examination of bone structure and the dynamics of bone remodeling is undertaken, elucidating how metastatic cancer cells exploit these processes. This review explores the genetic and molecular pathways that underpin the onset and development of bone metastases. Particular emphasis is placed on the roles of cytokines and growth factors in facilitating osteoclastogenesis and influencing osteoblast activity. Additionally, this paper offers a meticulous critique of current diagnostic methodologies, ranging from conventional radiography to advanced molecular imaging techniques, and discusses the implications of a nuanced understanding of bone metastasis biology for therapeutic intervention. This includes the development of targeted therapies and strategies for managing bone pain and other skeletal-related events. Moreover, this review underscores the imperative of ongoing research efforts aimed at identifying novel therapeutic targets and refining management approaches for bone metastases. It advocates for a multidisciplinary strategy that integrates advancements in medical oncology and radiology with insights derived from molecular biology and genetics, to enhance prognostic outcomes and the quality of life for patients afflicted by this debilitating condition. In summary, bone metastases constitute a complex issue that demands a comprehensive and informed approach to treatment. This article contributes to the ongoing discourse by consolidating existing knowledge and identifying avenues for future investigation, with the overarching objective of ameliorating patient care in the domain of oncology.
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Affiliation(s)
| | | | | | - Khalid S. Mohammad
- Department of Anatomy, College of Medicine, Alfaisal University, Riyadh 1153, Saudi Arabia; (N.A.); (S.A.A.); (B.E.)
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Abstract
Cancer is a complex disease and a significant cause of mortality worldwide. Over the course of nearly all cancer types, collagen within the tumor microenvironment influences emergence, progression, and metastasis. This review discusses collagen regulation within the tumor microenvironment, pathological involvement of collagen, and predictive values of collagen and related extracellular matrix components in main cancer types. A survey of predictive tests leveraging collagen assays using clinical cohorts is presented. A conclusion is that collagen has high predictive value in monitoring cancer processes and stratifying by outcomes. New approaches should be considered that continue to define molecular facets of collagen related to cancer.
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Göksel F, Akmansu M, Şentürk E, Demircioğlu F. Effects of palliative radiotherapy and bisphosphonate usage on bone turnover marker levels in cancer patients with osteolytic bone metastases. Jt Dis Relat Surg 2021; 32:705-712. [PMID: 34842103 PMCID: PMC8650665 DOI: 10.52312/jdrs.2021.76037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 08/27/2020] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVES In this study, we aimed to investigate the bone turnover marker levels according to bisphosphonate usage and radiotherapy (RT) in cancer patients with metastases in osteolytic pattern. PATIENTS AND METHODS A total of 52 patients (13 males, 39 females; median age: 52 years; range, 37 to 78 years) treated with RT for osteolytic bone metastases between April 2005 and April 2006 were retrospectively analyzed. Bone-specific alkaline phosphatase (BAP), amino-terminal cross-linked telopeptide of type I collagen (NTX-I), amino-terminal propeptide of type I procollagen (PINP), osteocalcin (OC), deoxypyridinoline (DPD), pyridinoline (PYD), alkaline phosphatase (ALP), creatinine, calcium (Ca), phosphate (P), magnesium (Mg), and 24-h urine Ca levels were measured in blood and urine before the initiation of RT, six weeks and six months after RT. RESULTS A decrease in BAP, PINP, and creatinine levels was observed after RT (Week 6 p=0.006, Month 6 p=0.008). Sixteen patients who already used bisphosphonate before RT were excluded from statistical calculation. The remaining 36 patients who were treated with bisphosphonate after the first blood test were evaluated separately. In this group of patients, BAP, PINP, NTX, creatinine, and Ca levels significantly increased at six weeks after RT. The PINP and creatinine values significantly decreased at six months after RT. The variation between two different RT arms was assessed with repeated measures variance analysis. There was a statistically significant difference for NTX, OC, and creatinine levels between the first and second measurements. CONCLUSION Radiotherapy is an effective method in the treatment of osteolytic bone metastases. Bone turnover markers can provide an objective evaluation on RT response and parallel to imaging modalities criteria for evaluation. Bisphosphonates may alter the levels of these indicators. However, in this study, there were no statistically significant differences between the levels of markers for two different RT schedules.
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Affiliation(s)
- Fatih Göksel
- Dr. Abdurrahman Yurtaslan Ankara Onkoloji Eğitim ve Araştırma Hastanesi Radyasyon Onkolojisi Kliniği, 06200 Yenimahalle, Ankara, Türkiye.
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MSTN is an important myokine for weight-bearing training to attenuate bone loss in ovariectomized rats. J Physiol Biochem 2021; 78:61-72. [PMID: 34453705 DOI: 10.1007/s13105-021-00838-5] [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: 10/17/2020] [Accepted: 08/18/2021] [Indexed: 10/20/2022]
Abstract
Weight-bearing training, as one of resistance exercises, is beneficial to bone health. Myostatin (MSTN) is a negative regulator of skeletal muscle growth and development. Animals lacking MSTN show increased bone mineral density (BMD). The aim of this study was to investigate the preventive effect of weight-bearing training on bone loss in ovariectomized rats and whether it was related to MSTN. In this study, the rats were randomly assigned to three group: Sham-ovariectomized (Sham), ovariectomized (OVX), ovariectomized and weight-bearing training (OWT). The rats in the OWT group ran at 20-m/min bearing with 35% of their body weight for 6 days/week. After 10 weeks, compared with the OVX group, weight-bearing training increased the BMD of total femur and trabecular bone by 8.13% and 57.44%, respectively. The OVX-induced destruction of bone microarchitecture including the thickness and number of trabeculae and bone volume fraction was all significantly improved (9.26%, 47.68%, 63.03%) in the OWT group. The OVX-induced degradation of bone mechanical properties was significantly enhanced in the OWT group (maximum load increased by 35.46%, stiffness increased by 89.19%, energy absorption increased by 53.4%; elastic modulus increased by 26.3%). Ten-week weight-bearing training also significantly upregulated the mRNA and protein expression of Wnt1 and β-catenin, which is crucial in bone development. Compared with the Sham group, MSTN in serum and muscle increased in the OVX group, but it decreased in the OWT group compared with the OVX group. Its receptor ActRIIB and downstream molecules Smad2/3 in the OVX group were downregulated in bone by weight-bearing training. The results indicated that MSTN is an important myokine for weight-bearing training to attenuate bone loss in ovariectomized rats.
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Schubert L, Russmueller G, Lagler H, Tobudic S, Heindel E, Kundi M, Steininger C. Bone turnover markers can predict healing time in medication-related osteonecrosis of the jaw. Support Care Cancer 2021; 29:7895-7902. [PMID: 34189608 PMCID: PMC8550071 DOI: 10.1007/s00520-021-06361-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 06/09/2021] [Indexed: 11/28/2022]
Abstract
Objectives Medication-related osteonecrosis of the jaw (MRONJ) is a severe and difficult-to-treat adverse event of bone-modifying agents. Therefore predictive strategies determining patients at risk for a prolonged healing duration are needed to optimize treatment. Thus, the present study evaluates whether or not bone turnover markers can be used to predict the healing duration in MRONJ patients. Materials and methods The present study is a retrospective data analysis of patients suffering from MRONJ and positive histology for Actinomyces spp., who were identified at the General Hospital Vienna from 2014 to 2018. During the first visit, the patients’ demographics and levels of bone formation parameters were compiled. Healing times were analysed by Cox regression in dependence on these factors. Results A total of 52 patients were identified who fulfilled the inclusion criteria. The indication for bone-modifying agents was breast cancer (n = 21), prostate cancer (n = 14), multiple myeloma (n = 6) and other malignant diseases (n = 11). In 43 (82.7%) of our patients, we were able to document complete mucosal healing. Furthermore, patients who responded faster to therapy showed higher levels of C-telopeptide (P < 0.05), osteocalcin (P < 0.05) and bone-specific alkaline phosphatase (P < 0.05), but lower levels of 1.25-dihydroxyvitamin D (P < 0.05) than slower responding patients. No correlation was found regarding parathyroid hormone or calcitonin levels. Interestingly, patients who had a slower response were less likely to report dental procedures, but more likely to report a history of chemotherapy. Conclusion CTX and osteocalcin levels may be used for predicting healing duration for MRONJ.
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Affiliation(s)
- Lorenz Schubert
- Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Guenter Russmueller
- Department of Oral and Maxillofacial Surgery, Medical University Vienna, Vienna, Austria
| | - Heimo Lagler
- Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Selma Tobudic
- Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Elisabeth Heindel
- Department of Oral and Maxillofacial Surgery, Medical University Vienna, Vienna, Austria
| | - Michael Kundi
- Center for Public Health, Medical University Vienna, Vienna, Austria
| | - Christoph Steininger
- Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria.
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Ordikhani F, Zandi N, Mazaheri M, Luther GA, Ghovvati M, Akbarzadeh A, Annabi N. Targeted nanomedicines for the treatment of bone disease and regeneration. Med Res Rev 2020; 41:1221-1254. [PMID: 33347711 DOI: 10.1002/med.21759] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 10/14/2020] [Accepted: 11/11/2020] [Indexed: 12/17/2022]
Abstract
Targeted delivery by either passive or active targeting of therapeutics to the bone is an attractive treatment for various bone related diseases such as osteoporosis, osteosarcoma, multiple myeloma, and metastatic bone tumors. Engineering novel drug delivery carriers can increase therapeutic efficacy and minimize the risk of side effects. Developmnet of nanocarrier delivery systems is an interesting field of ongoing studies with opportunities to provide more effective therapies. In addition, preclinical nanomedicine research can open new opportunities for preclinical bone-targeted drug delivery; nevertheless, further research is needed to progress these therapies towards clinical applications. In the present review, the latest advancements in targeting moieties and nanocarrier drug delivery systems for the treatment of bone diseases are summarized. We also review the regeneration capability and effective delivery of nanomedicines for orthopedic applications.
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Affiliation(s)
- Farideh Ordikhani
- Transplantation Research Center, Division of Renal Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Nooshin Zandi
- Institute for Nanoscience and Nanotechnology, Sharif University of Technology, Tehran, Iran.,Department of Chemical Engineering, Northeastern University, Boston, Massachusetts, USA
| | - Mozhdeh Mazaheri
- Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran
| | - Gaurav A Luther
- Department of Orthopedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Mahsa Ghovvati
- Department of Chemical and Biomolecular Engineering, University of California- Los Angeles, California, Los Angeles, USA
| | - Abolfazl Akbarzadeh
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts, USA.,Department of Medical Nanotechnology, Faculty of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nasim Annabi
- Department of Chemical and Biomolecular Engineering, University of California- Los Angeles, California, Los Angeles, USA
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Teng X, Wei L, Han L, Min D, Du Y. Establishment of a serological molecular model for the early diagnosis and progression monitoring of bone metastasis in lung cancer. BMC Cancer 2020; 20:562. [PMID: 32546271 PMCID: PMC7298761 DOI: 10.1186/s12885-020-07046-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Accepted: 06/06/2020] [Indexed: 12/18/2022] Open
Abstract
Background The prognosis is very poor for lung cancer patients with bone metastasis. Unfortunately, a suitable method has yet to become available for the early diagnosis of bone metastasis in lung cancer patients. The present work describes an attempt to develop a novel model for the early identification of lung cancer patients with bone metastasis risk. Methods As the test group, 205 primary lung cancer patients were recruited, of which 127 patients had bone metastasis; the other 78 patients without bone metastasis were set as the negative control. Additionally, 106 healthy volunteers were enrolled as the normal control. Serum levels of several cytokines in the bone microenvironment (CaN, OPG, PTHrP, and IL-6) and bone turnover markers (tP1NP, β-CTx) were detected in all samples by ECLIA or ELISA assay. Receiver operating characteristic (ROC) curves and multivariate analyses were performed to evaluate diagnostic abilities and to assess the attributable risk of bone metastasis for each of these indicators; the diagnostic model was established via logistic regression analysis. The prospective validation group consisted of 44 patients with stage IV primary lung cancer on whom a follow-up of at least 2 years was conducted, during which serum bone biochemical marker concentrations were monitored. Results The serological molecular model for the diagnosis of bone metastasis was logit (p). ROC analysis showed that when logit (p) > 0.452, the area under curve of the model was 0.939 (sensitivity: 85.8%, specificity: 89.7%). Model validation demonstrated accuracy with a high degree of consistency (specificity: 85.7%, specificity: 87.5%, Kappa: 0.770). The average predictive time for bone metastasis occurrence of the model was 9.46 months earlier than that of the bone scan diagnosis. Serum OPG, PTHrP, tP1NP, β-CTx, and the diagnostic model logit (p) were all positively correlated with bone metastasis progression (P < 0.05). Conclusions This diagnostic model has the potential to be a simple, non-invasive, and sensitive tool for diagnosing the occurrence and monitoring the progression of bone metastasis in patients with lung cancer.
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Affiliation(s)
- Xiaoyan Teng
- Department of Laboratory Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital of Shanghai, Shanghai, 200233, P.R. China
| | - Lirong Wei
- Department of Laboratory Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital of Shanghai, Shanghai, 200233, P.R. China
| | - Liming Han
- Department of Laboratory Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital of Shanghai, Shanghai, 200233, P.R. China
| | - Daliu Min
- Department of Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital of Shanghai, Shanghai, 200233, China.
| | - Yuzhen Du
- Department of Laboratory Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital of Shanghai, Shanghai, 200233, P.R. China.
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Iuliani M, Simonetti S, Ribelli G, Napolitano A, Pantano F, Vincenzi B, Tonini G, Santini D. Current and Emerging Biomarkers Predicting Bone Metastasis Development. Front Oncol 2020; 10:789. [PMID: 32582538 PMCID: PMC7283490 DOI: 10.3389/fonc.2020.00789] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 04/22/2020] [Indexed: 02/05/2023] Open
Abstract
Bone is one of the preferential sites of distant metastases from malignant tumors, with the highest prevalence observed in breast and prostate cancers. Patients with bone metastases (BMs) may experience skeletal-related events, such as severe bone pain, pathological fractures, spinal cord compression, and hypercalcemia, with negative effects on the quality of life. In the last decades, a deeper understanding of the molecular mechanisms underlying the BM onset has been gained, leading to the development of bone-targeting agents. So far, most of the research has been focused on the pathophysiology and treatment of BM, with only relatively few studies investigating potential predictors of risk for BM development. The ability to select such "high-risk" patients could allow early identification of those most likely to benefit from interventions to prevent or delay BM. This review summarizes several evidences for the potential use of specific biomarkers able to predict early the BM development.
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Affiliation(s)
- Michele Iuliani
- Medical Oncology, Bio-Medico University of Rome, Rome, Italy
| | - Sonia Simonetti
- Medical Oncology, Bio-Medico University of Rome, Rome, Italy
| | - Giulia Ribelli
- Medical Oncology, Bio-Medico University of Rome, Rome, Italy
| | | | | | - Bruno Vincenzi
- Medical Oncology, Bio-Medico University of Rome, Rome, Italy
| | - Giuseppe Tonini
- Medical Oncology, Bio-Medico University of Rome, Rome, Italy
| | - Daniele Santini
- Medical Oncology, Bio-Medico University of Rome, Rome, Italy
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Nishimura T, Arima K, Abe Y, Kanagae M, Mizukami S, Okabe T, Tomita Y, Goto H, Hasegawa M, Sou Y, Horiguchi I, Aoyagi K. Relationship between bone turnover markers and the heel stiffness index measured by quantitative ultrasound in post-menopausal Japanese women. Ann Hum Biol 2019; 46:330-334. [PMID: 30995879 DOI: 10.1080/03014460.2019.1607552] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Background: Osteoporosis in women is a serious health problem. The relationships between biochemical markers of bone turnover and bone mineral density (BMD) in women have been reported, but no study has examined relationships between tartrate-resistant acid phosphatase-5b (TRACP-5b) or bone-specific alkaline phosphatase (BAP) and bone mass measured by quantitative ultrasound (QUS) in Japanese post-menopausal women. Aim: To investigate the serum TRACP-5b and BAP levels and to determine their associations with the heel stiffness index measured by QUS in post-menopausal women. Subjects and methods: The subjects were 510 post-menopausal women who were invited to participate in periodic health examinations in 2011-2013 (the Unzen Study). The heel stiffness index (bone mass) was measured by QUS. Serum samples were collected and TRACP-5b and BAP levels were measured. Results: Multiple regression analysis showed that a higher log (TRACP-5b) was correlated with a lower stiffness index (p = 0.014) and log (BAP) was not correlated with stiffness index after adjusting for covariates (p = 0.136). Conclusion: Higher rates of bone resorption are associated with a lower stiffness index in Japanese post-menopausal women. These results may indicate that high bone resorption affects bone mass more than bone formation, resulting in a low bone mass.
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Affiliation(s)
- Takayuki Nishimura
- Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences , Nagasaki , Japan
| | - Kazuhiko Arima
- Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences , Nagasaki , Japan
| | - Yasuyo Abe
- Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences , Nagasaki , Japan
| | - Mitsuo Kanagae
- Department of Rehabilitation, Nishi-Isahaya Hospital , Nagasaki , Japan
| | - Satoshi Mizukami
- Department of Rehabilitation, Nishi-Isahaya Hospital , Nagasaki , Japan
| | - Takuhiro Okabe
- Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences , Nagasaki , Japan.,Department of Rehabilitation, Nishi-Isahaya Hospital , Nagasaki , Japan
| | - Yoshihito Tomita
- Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences , Nagasaki , Japan.,Department of Rehabilitation, Nishi-Isahaya Hospital , Nagasaki , Japan
| | | | - Maiko Hasegawa
- Medical Policy Division, Nagasaki Prefectural Government , Nagasaki , Japan
| | - Yoko Sou
- Ken-Nan Health Care Office , Nagasaki , Japan
| | - Itsuko Horiguchi
- Center for Public Relations Strategy, Nagasaki University , Nagasaki , Japan
| | - Kiyoshi Aoyagi
- Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences , Nagasaki , Japan
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Harnessing the potential of therapeutic agents to safeguard bone health in prostate cancer. Prostate Cancer Prostatic Dis 2018; 21:461-472. [PMID: 29988100 PMCID: PMC6283859 DOI: 10.1038/s41391-018-0060-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 02/20/2018] [Accepted: 03/19/2018] [Indexed: 02/07/2023]
Abstract
Background Patients with prostate cancer are at risk of impaired bone health. Prostate cancer has a propensity to metastasize to bone, after which patients are at risk of skeletal-related events (SREs). These complications are associated with increased mortality, substantial pain, and reduced quality of life. Patients are also at risk of bone loss due to androgen deprivation therapy (ADT), which can be compounded in elderly patients with reduced bone density. It is essential, therefore, that aspects of bone health and therapies able to prevent the occurrence of SREs are considered throughout the clinical course of prostate cancer. Methods We reviewed the literature regarding the molecular mechanisms underpinning bone lesion formation, the modes of action of therapies that prevent SREs, and the efficacy and safety of these therapies in patients with hormone-sensitive or castration-resistant prostate cancer (CRPC). Results Therapies such as denosumab (a RANKL inhibitor) and zoledronic acid (a bisphosphonate) were indicated for prevention of SREs. Radium-223 dichloride also has proven efficacy in delaying symptomatic SREs, as well as in improving overall survival through effects on bone metastases. Before development of bone metastases, low-dose denosumab may also be used for treatment of ADT-associated bone loss. Denosumab may also have the potential to delay bone metastases development in patients with CRPC, although this is not currently an approved indication. The safety profile of therapies to prevent SREs should be considered. This review consolidates the available evidence on use of denosumab and bisphosphonates in prostate cancer, differentiated by hormone-sensitive and castration-resistant disease. Conclusions There is convincing evidence to support the use of denosumab and bisphosphonates to maintain bone health in patients with prostate cancer. Clinicians should be mindful of the adverse event risk profile of these therapies.
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Lang J, Zhao Q, He Y, Yu X. Bone turnover markers and novel biomarkers in lung cancer bone metastases. Biomarkers 2018; 23:518-526. [PMID: 29683727 DOI: 10.1080/1354750x.2018.1463566] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
CONTEXT Lung cancer still remains the leading cause of cancer-related mortality worldwide. Bone is one of preferred metastatic sites for lung cancer cells. So far, both accurate diagnosis and effective treatment of lung cancer bone metastases are difficult. OBJECTIVE This review aimed to evaluate roles of bone turnover markers (BTMs), microRNAs (miRNAs), dickkopf1 (DKK1) and insulin like growth factor binding protein 3 (IGFBP-3) in lung cancer bone metastases. METHODS We searched articles about these four biomarkers in lung cancer bone metastases mainly in PubMed. RESULT The levels of bone specific alkaline phosphatase (BALP), cross-linked carboxy-terminal telopeptide of type-I collagen (ICTP) and N-terminal telopeptides of type-I collagen (NTX) were reported to be significantly increased in lung cancer patients with bone metastases. ALP, NTX and bone sialoprotein were thought to be associated with prognosis of lung cancer patients with bone metastases. MiRNA-335, miRNA-33a, miRNA-21, DKK1 and IGFBP-3 were revealed to be novel biomarkers in lung cancer bone metastases. DISCUSSION AND CONCLUSION Current researches have revealed that BTMs, miRNAs, DKK1 and IGFBP-3 may be useful in diagnosis, prognosis evaluation or treatment of lung cancer bone metastases. More studies about these biomarkers in lung cancer bone metastases are needed.
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Affiliation(s)
- Jiangli Lang
- a Laboratory of Endocrinology and Metabolism, Department of Endocrinology and Metabolism , State Key Laboratory of Biotherapy, West China Hospital, Sichuan University , Chengdu , China
| | - Qian Zhao
- b Department of General practice , West China Hospital, Sichuan University , Chengdu , China
| | - Yuedong He
- c Department of Gynecology , West China Second University Hospital, Sichuan University , Chengdu , China
| | - Xijie Yu
- a Laboratory of Endocrinology and Metabolism, Department of Endocrinology and Metabolism , State Key Laboratory of Biotherapy, West China Hospital, Sichuan University , Chengdu , China
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Nishimura T, Arima K, Abe Y, Kanagae M, Mizukami S, Okabe T, Tomita Y, Goto H, Horiguchi I, Aoyagi K. Relationship between bone turnover markers and the heel stiffness index measured by quantitative ultrasound in middle-aged and elderly Japanese men. Medicine (Baltimore) 2018; 97:e9962. [PMID: 29465590 PMCID: PMC5842002 DOI: 10.1097/md.0000000000009962] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
The aim of the present study was to investigate the age-related patterns and the relationships between serum levels of tartrate-resistant acid phosphatase-5b (TRACP-5b) or bone-specific alkaline phosphatase (BAP), and the heel stiffness index measured by quantitative ultrasound (QUS) in 429 Japanese men, with special emphasis on 2 age groups (40-59 years and 60 years or over). The heel stiffness index (bone mass) was measured by QUS. Serum samples were collected, and TRACP-5b and BAP levels were measured. The stiffness index was significantly decreased with age. Log (TRACP-5b) was significantly increased with age, but Log (BAP) was stable. Generalized linear models showed that higher levels of Log (TRACP-5b) and Log (BAP) were correlated with a lower stiffness index after adjusting for covariates in men aged 60 years or over, but not in men aged 40 to 59 years. In conclusion, higher rates of bone turnover markers were associated with a lower stiffness index only in elderly men. These results may indicate a different mechanism of low bone mass among different age groups of men.
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Affiliation(s)
- Takayuki Nishimura
- Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto
| | - Kazuhiko Arima
- Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto
| | - Yasuyo Abe
- Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto
| | - Mitsuo Kanagae
- Department of Rehabilitation, Nishi-Isahaya Hospital, Kaizumachi
| | - Satoshi Mizukami
- Department of Rehabilitation, Nishi-Isahaya Hospital, Kaizumachi
| | - Takuhiro Okabe
- Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto
- Department of Rehabilitation, Nishi-Isahaya Hospital, Kaizumachi
| | - Yoshihito Tomita
- Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto
- Department of Rehabilitation, Nishi-Isahaya Hospital, Kaizumachi
| | | | - Itsuko Horiguchi
- Center for Public Relations Strategy, Nagasaki University, Bunkyoumachi, Nagasaki, Japan
| | - Kiyoshi Aoyagi
- Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto
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Bone formation and resorption markers as diagnostic tools for bone metastases evaluation. Int J Biol Markers 2018; 27:e395-9. [DOI: 10.5301/jbm.2012.9579] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/09/2012] [Indexed: 11/20/2022]
Abstract
Bone metastases are a frequent complication of several types of cancers. Since bone metastases are difficult to diagnose with the current available approaches, there is a demand for new methods for assessing bone response. In this context, biochemical markers of bone remodeling may provide useful information on bone turnover that, in turn, may reflect disease activity in bone. In this study we tested a panel of bone remodeling markers (distinguishing between bone formation and bone resorption ones) in different groups of cancer patients, so as to evaluate the potential clinical role of the examined bone remodeling markers in the early diagnosis of metastases formation and progression. Among the bone resorption markers, tartrate resistant acid phosphatase 5b (trAP5b) resulted the most specific for the metastatic tumor stage. Both the bone formation markers we analyzed displayed a direct correlation (positive for bone-specific alkaline phosphatase [BAP] and negative for osteocalcin [oc]) with tumor disease progression, ranging from healthy controls to primary tumor and, ultimately, to the metastatic stage. Taken together our results suggest that these markers can be valuable tools to be used, in parallel with traditional methods of metastases diagnosis, in order to monitor more in detail the pathological effect of metastases progression in bone tissue.
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Brodowicz T, Hadji P, Niepel D, Diel I. Early identification and intervention matters: A comprehensive review of current evidence and recommendations for the monitoring of bone health in patients with cancer. Cancer Treat Rev 2017; 61:23-34. [PMID: 29100167 DOI: 10.1016/j.ctrv.2017.09.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 09/26/2017] [Accepted: 09/27/2017] [Indexed: 12/22/2022]
Abstract
Bone metastases are common in patients with advanced solid tumors, and many individuals experience debilitating skeletal-related events (SREs; e.g. pathologic fracture, hypercalcemia, radiotherapy or surgery to bone, and spinal cord compression). These events substantially affect disease outcomes, including survival and quality of life, and healthcare systems. Plain radiography is the most widely used imaging modality for the detection of bone metastases; skeletal scintigraphy, computed tomography, positron emission tomography and magnetic resonance imaging offer greater sensitivity but their use in routine practice is restricted by high costs and limited availability. Biomarkers of bone turnover may also have a role in the early detection of bone metastases and can provide valuable prognostic information on disease progression. SREs can be delayed or prevented using agents such as the receptor activator of nuclear factor kappa B ligand (RANKL) inhibitor, denosumab, and bisphosphonates. Painful bone metastases can be treated with radiofrequency ablation, radiotherapy, or radionuclides such as radium-223 dichloride, which has been shown to delay the onset of SREs in men with castration-resistant prostate cancer. Close monitoring of bone health in patients with advanced cancer may lead to early identification of individuals with bone metastases who could benefit from early intervention to prevent SREs. This review examines current guideline recommendations for assessing and monitoring bone health in patients with advanced cancer, use of biomarkers and treatment of patients with bone metastases. The emerging evidence for the potential survival benefit conferred by early intervention with denosumab and bisphosphonates is also discussed, together with best practice recommendations.
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Affiliation(s)
- Thomas Brodowicz
- Department of Medicine I and Comprehensive Cancer Center, Clinical Division of Oncology, Medical University of Vienna, General Hospital, Währinger Gürtel 18-20, 1090 Vienna, Austria.
| | - Peyman Hadji
- Department of Bone Oncology, Endocrinology and Reproductive Medicine, Northwest Hospital, Steinbacher Hohl 2-26, 60488 Frankfurt, Germany; Philipps-University of Marburg, Biegenstraße 10, 35037 Marburg, Germany.
| | - Daniela Niepel
- Amgen (GmbH) Europe, Dammstrasse 23, 6300 Zug, Switzerland.
| | - Ingo Diel
- Center for Comprehensive Gynecology, Augustaanlage 7-11, 68165 Mannheim, Germany.
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Deplus R, Delliaux C, Marchand N, Flourens A, Vanpouille N, Leroy X, de Launoit Y, Duterque-Coquillaud M. TMPRSS2-ERG fusion promotes prostate cancer metastases in bone. Oncotarget 2017; 8:11827-11840. [PMID: 28055969 PMCID: PMC5355307 DOI: 10.18632/oncotarget.14399] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 12/16/2016] [Indexed: 12/13/2022] Open
Abstract
Bone metastasis is the major deleterious event in prostate cancer (PCa). TMPRSS2-ERG fusion is one of the most common chromosomic rearrangements in PCa. However, its implication in bone metastasis development is still unclear. Since bone metastasis starts with the tropism of cancer cells to bone through specific migratory and invasive processes involving osteomimetic capabilities, it is crucial to better our understanding of the influence of TMPRSS2-ERG expression in the mechanisms underlying the bone tropism properties of PCa cells. We developed bioluminescent cell lines expressing the TMPRSS2-ERG fusion in order to assess its role in tumor growth and bone metastasis appearance in a mouse model. First, we showed that the TMPRSS2-ERG fusion increases cell migration and subcutaneous tumor size. Second, using intracardiac injection experiments in mice, we showed that the expression of TMPRSS2-ERG fusion increases the number of metastases in bone. Moreover, TMPRSS2-ERG affects the pattern of metastatic spread by increasing the incidence of tumors in hind limbs and spine, which are two of the most frequent sites of human PCa metastases. Finally, transcriptome analysis highlighted a series of genes regulated by the fusion and involved in the metastatic process. Altogether, our work indicates that TMPRSS2-ERG increases bone tropism of PCa cells and metastasis development.
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Affiliation(s)
- Rachel Deplus
- University Lille, CNRS, Institut Pasteur de Lille, UMR 8161 (M3T) Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France
| | - Carine Delliaux
- University Lille, CNRS, Institut Pasteur de Lille, UMR 8161 (M3T) Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France
| | - Nathalie Marchand
- University Lille, CNRS, Institut Pasteur de Lille, UMR 8161 (M3T) Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France
| | - Anne Flourens
- University Lille, CNRS, Institut Pasteur de Lille, UMR 8161 (M3T) Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France
| | - Nathalie Vanpouille
- University Lille, CNRS, Institut Pasteur de Lille, UMR 8161 (M3T) Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France
| | - Xavier Leroy
- Institut de Pathologie Centre de Biologie Pathologie Centre Hospitalier Régional et Universitaire, F-59037 Lille, France
| | - Yvan de Launoit
- University Lille, CNRS, Institut Pasteur de Lille, UMR 8161 (M3T) Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France
| | - Martine Duterque-Coquillaud
- University Lille, CNRS, Institut Pasteur de Lille, UMR 8161 (M3T) Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France
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Honda Y, Aikata H, Honda F, Nakano N, Nakamura Y, Hatooka M, Morio K, Kobayashi T, Fukuhara T, Nagaoki Y, Kawaoka T, Hiramatsu A, Imamura M, Kawakami Y, Chayama K. Clinical outcome and prognostic factors in hepatocellular carcinoma patients with bone metastases medicated with zoledronic acid. Hepatol Res 2017; 47:1053-1060. [PMID: 27862729 DOI: 10.1111/hepr.12844] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 09/12/2016] [Accepted: 11/10/2016] [Indexed: 12/14/2022]
Abstract
AIMS We retrospectively analyzed the clinical outcome and prognostic parameters in patients with hepatocellular carcinoma (HCC) and bone metastases who had received treatment with zoledronic acid (ZOL). METHODS Ninety-nine HCC patients with bone metastases who had been treated with ZOL were enrolled in this retrospective cohort study. We analyzed the prognostic factors, including serum N-telopeptide of type I collagen (NTX) levels, as bone metabolism markers. RESULTS The median overall survival (OS) time was 11.5 months. Child-Pugh grade A (P = 0.004) and intrahepatic tumor stage (IHTS) T0-3 (P = 0.010) correlated significantly with favorable OS. In 46 patients with grade A and T0-3, receiver operating characteristic curve analysis defined 16 nmol BCE/L serum NTX as the cut-off level for median OS. Multivariate analysis identified baseline serum NTX <16 nmol BCE/L (P = 0.045) as the only significant and independent determinant of OS. CONCLUSION Low baseline serum NTX level correlated with favorable outcome in bone metastatic HCC patients with Child-Pugh grade A and IHTS T0-3 treated with ZOL.
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Affiliation(s)
- Yohji Honda
- Departments of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan
| | - Hiroshi Aikata
- Departments of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan
| | - Fumi Honda
- Departments of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan
| | - Norihito Nakano
- Departments of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan
| | - Yuki Nakamura
- Departments of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan
| | - Masahiro Hatooka
- Departments of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan
| | - Kei Morio
- Departments of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan
| | - Tomoki Kobayashi
- Departments of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan
| | - Takayuki Fukuhara
- Departments of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan
| | - Yuko Nagaoki
- Departments of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan
| | - Tomokazu Kawaoka
- Departments of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan
| | - Akira Hiramatsu
- Departments of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan
| | - Michio Imamura
- Departments of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan
| | - Yoshiiku Kawakami
- Departments of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan
| | - Kazuaki Chayama
- Departments of Gastroenterology and Metabolism, Hiroshima University Hospital, Hiroshima, Japan
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A meta-analysis survey of appropriate bone turnover markers in the detection of bone metastasis in lung cancer. Int J Clin Oncol 2017; 22:1015-1025. [PMID: 28677013 DOI: 10.1007/s10147-017-1159-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 06/24/2017] [Indexed: 01/11/2023]
Abstract
BACKGROUND A number of studies have investigated the clinical significance of bone turnover markers (BTMs) for the diagnosis of bone metastasis (BM) in lung cancer; however, they led to contradictory results. The aim of this meta-analysis was to investigate whether BTMs differ between lung cancer patients with and without BM. METHODS Articles were identified by searching Medline, Embase, Web of Science and Scopus. The studies that were identified were pooled and the weighted mean difference (WMD) and its corresponding 95% confidence interval (CI) were calculated. Subgroup analyses and publication bias detection were also conducted. RESULTS A final analysis of 1720 subjects (707 patients with BM and 1013 patients without BM) was performed from 16 cohort studies. From the pooled data in the meta-analysis, the total alkaline phosphatase (TALP) (104.35 U/l [95% CI 33.36-175.34]), bone-specific ALP (BALP) (13.24 μg/l [95% CI 8.50-17.98] or 6.84 U/l [95% CI 2.98-10.70]), C-terminal cross-linked telopeptide of type I collagen (ICTP) (5.07 μg/l [95% CI 3.58-6.56]) and N-terminal cross-linked telopeptide of type I collagen (NTX) (5.08 nM bone collagen equivalent/l [95% CI 2.82-7.33]) were significantly lower among BM patients than non-BM patients. Subgroup analyses detected that the serum level of tartrate-resistant acid phosphatase isoform 5b was significantly reduced in Caucasian patients with BM (-0.64 U/l [95% CI -1.02 to -0.25]), while increased in Asian patients with BM (2.69 U/l [95% CI 0.08-5.31]), compared to patients without BM. CONCLUSIONS The present meta-analysis suggested that serum measurement of TALP, BALP, ICTP and NTX might be helpful in detecting BM in lung cancer.
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Chagarlamudi H, Corbett A, Stoll M, Bibat G, Grosmann C, Matichak Stock C, Stinson N, Shapiro J, Wagner KR. Bone health in facioscapulohumeral muscular dystrophy: A cross-sectional study. Muscle Nerve 2017; 56:1108-1113. [DOI: 10.1002/mus.25619] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/14/2017] [Indexed: 11/07/2022]
Affiliation(s)
- Hema Chagarlamudi
- Center for Genetic Muscle Disorders; Kennedy Krieger Institute; Baltimore Maryland USA
| | | | - Marion Stoll
- Molecular Medicine Laboratory; Concord Hospital; Concord New South Wales Australia
| | - Genila Bibat
- Center for Genetic Muscle Disorders; Kennedy Krieger Institute; Baltimore Maryland USA
| | - Carla Grosmann
- Center for Genetic Muscle Disorders; Kennedy Krieger Institute; Baltimore Maryland USA
- Rady Children's Hospital and Department of Neurosciences; University of California San Diego School of Medicine; San Diego California USA
| | - Carly Matichak Stock
- Center for Genetic Muscle Disorders; Kennedy Krieger Institute; Baltimore Maryland USA
| | - Nikia Stinson
- Center for Genetic Muscle Disorders; Kennedy Krieger Institute; Baltimore Maryland USA
| | - Jay Shapiro
- Osteogenesis Imperfecta Department; Kennedy Krieger Institute; Baltimore Maryland USA
| | - Kathryn R. Wagner
- Center for Genetic Muscle Disorders; Kennedy Krieger Institute; Baltimore Maryland USA
- Department of Neurology; The Johns Hopkins School of Medicine; Baltimore Maryland USA
- Department of Neuroscience; The Johns Hopkins School of Medicine; Baltimore Maryland USA
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Postmenopausal Iron Overload Exacerbated Bone Loss by Promoting the Degradation of Type I Collagen. BIOMED RESEARCH INTERNATIONAL 2017; 2017:1345193. [PMID: 28620614 PMCID: PMC5460413 DOI: 10.1155/2017/1345193] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2017] [Accepted: 04/27/2017] [Indexed: 01/07/2023]
Abstract
117 postmenopausal women were divided into Normal, Bone loss (BL), and Osteoporosis group. Compared with Normal group (120.96 ± 43.18 μg/L), the serum ferritin (Fer) in BL (223.37 ± 130.27 μg/L) and Osteoporosis group (307.50 ± 161.48 μg/L) was significantly increased (p < 0.05). Fer level was negatively correlated with BMD (p < 0.01). TRACP levels in Osteoporosis group (4.37 ± 1.69 U/L) were significantly higher than Normal group (4.10 ± 1.60 U/L, p < 0.05). ALP levels in Osteoporosis group (112.06 ± 62.05 U/L) were significantly upregulated compared with Normal group (80.22 ± 14.94 U/L, p < 0.05). β-CTX and PINP were the degradation products of type I collagen. β-CTX levels in Osteoporosis group (667.90 ± 316.55 ng/L) were significantly increased compared with Normal group (406.06 ± 112.12 ng/L, p < 0.05). PINP levels in Osteoporosis group (78.03 ± 37.31 μg/L) were significantly higher than Normal group (37.60 ± 13.17 μg/L, p < 0.01). More importantly, there was a positive correlation between serum Fer and PINP (p < 0.01). Serum Fer showed a positive correlation of serum β-CTX (p < 0.01). The overloaded iron improved the degradation of type I collagen.
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Uemura H, Uemura H, Matsubara N, Kinuya S, Hosono M, Yajima Y, Doi T. Safety and efficacy of radium-223 dichloride in Japanese patients with castration-resistant prostate cancer and bone metastases. Int J Clin Oncol 2017; 22:954-963. [PMID: 28478485 PMCID: PMC5608784 DOI: 10.1007/s10147-017-1130-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2017] [Accepted: 04/26/2017] [Indexed: 11/30/2022]
Abstract
Background Radiation therapy with radium-223 dichloride improves overall survival, reduces symptomatic skeletal events in Caucasian patients with castration-resistant prostate cancer (CRPC) and bone metastases, and is well tolerated. We report here the results of the first efficacy and safety study of radium-223 dichloride in a Japanese population. Methods In this open-label, uncontrolled, non-randomized, phase I trial, radium-223 dichloride was given to Japanese patients with CRPC and ≥2 bone metastases in 4-week cycles. The patients were divided into three cohorts, with cohort 1 and the expansion cohort receiving injections of radium-223 dichloride [55 kBq/kg body weight (BW)] every 4 weeks (Q4W) for up to six injections, and cohort 2 receiving an initial single radium-223 dichloride injection of 110 kBq/kg BW followed by up to five injections of 55 kBq/kg BW Q4W. Safety was determined via adverse event (AE) reporting, and biochemical bone markers were assessed for treatment efficacy. Results In total 19 patients received at least one dose of radium-223 dichloride and 18 patients experienced at least one treatment-emergent AE (TEAE) of which the most common were anemia, thrombocytopenia, and lymphocytopenia. Serious AEs were reported in three patients but none were drug-related. In the patients of cohort 1 + expansion cohort (55 kBq/kg BW Q4W treatment; n = 16), prostate-specific antigen levels remained stable or slightly increased while the bone alkaline phosphatase (ALP) level significantly decreased. The response rates of bone ALP (≥30 and ≥50% reductions) were 81.8 and 36.4% at week 12, and 81.3 and 50.0% at the end of treatment. Conclusions Radium-223 dichloride was well tolerated in these Japanese patients and, at a dose of 55 kBq/kg BW, efficacy on biomarkers was as expected. The outcomes in Japanese patients were consistent with those reported in other non-Japanese populations. Trial registration ClinicalTrials.gov record NCT01565746.
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Affiliation(s)
- Hiroji Uemura
- Department of Urology and Renal Transplantation, Yokohama City University Medical Center, 4-57 Urafune-cho, Minami-ku, Yokohama, Japan.
| | - Hirotsugu Uemura
- Department of Urology, Kindai University Faculty of Medicine, Osaka, Japan
| | - Nobuaki Matsubara
- Department of Breast and Medical Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - Seigo Kinuya
- The Japanese Society of Nuclear Medicine, Tokyo, Japan
| | - Makoto Hosono
- The Japanese Society of Nuclear Medicine, Tokyo, Japan
| | - Yoko Yajima
- Clinical Development Specialty Medicine, Product Development, Bayer Yakuhin, Ltd., Tokyo, Japan
| | - Toshihiko Doi
- Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan
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Wahyudi H, Reynolds AA, Li Y, Owen SC, Yu SM. Targeting collagen for diagnostic imaging and therapeutic delivery. J Control Release 2016; 240:323-331. [PMID: 26773768 PMCID: PMC4936964 DOI: 10.1016/j.jconrel.2016.01.007] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Revised: 01/05/2016] [Accepted: 01/05/2016] [Indexed: 12/22/2022]
Abstract
As the most abundant protein in mammals and a major structural component in extracellular matrix, collagen holds a pivotal role in tissue development and maintaining the homeostasis of our body. Persistent disruption to the balance between collagen production and degradation can cause a variety of diseases, some of which can be fatal. Collagen remodeling can lead to either an overproduction of collagen which can cause excessive collagen accumulation in organs, common to fibrosis, or uncontrolled degradation of collagen seen in degenerative diseases such as arthritis. Therefore, the ability to monitor the state of collagen is crucial for determining the presence and progression of numerous diseases. This review discusses the implications of collagen remodeling and its detection methods with specific focus on targeting native collagens as well as denatured collagens. It aims to help researchers understand the pathobiology of collagen-related diseases and create novel collagen targeting therapeutics and imaging modalities for biomedical applications.
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Affiliation(s)
- Hendra Wahyudi
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA
| | - Amanda A Reynolds
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA
| | - Yang Li
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA
| | - Shawn C Owen
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT 84112, USA
| | - S Michael Yu
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA.
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Chen SC, Kuo PL. Bone Metastasis from Renal Cell Carcinoma. Int J Mol Sci 2016; 17:ijms17060987. [PMID: 27338367 PMCID: PMC4926516 DOI: 10.3390/ijms17060987] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2016] [Revised: 06/17/2016] [Accepted: 06/18/2016] [Indexed: 12/22/2022] Open
Abstract
About one-third of patients with advanced renal cell carcinoma (RCC) have bone metastasis that are often osteolytic and cause substantial morbidity, such as pain, pathologic fracture, spinal cord compression and hypercalcemia. The presence of bone metastasis in RCC is also associated with poor prognosis. Bone-targeted treatment using bisphosphonate and denosumab can reduce skeletal complications in RCC, but does not cure the disease or improve survival. Elucidating the molecular mechanisms of tumor-induced changes in the bone microenvironment is needed to develop effective treatment. The “vicious cycle” hypothesis has been used to describe how tumor cells interact with the bone microenvironment to drive bone destruction and tumor growth. Tumor cells secrete factors like parathyroid hormone-related peptide, transforming growth factor-β and vascular endothelial growth factor, which stimulate osteoblasts and increase the production of the receptor activator of nuclear factor κB ligand (RANKL). In turn, the overexpression of RANKL leads to increased osteoclast formation, activation and survival, thereby enhancing bone resorption. This review presents a general survey on bone metastasis in RCC by natural history, interaction among the immune system, bone and tumor, molecular mechanisms, bone turnover markers, therapies and healthcare burden.
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Affiliation(s)
- Szu-Chia Chen
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung Medical University, Kaohsiung 812, Taiwan.
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Po-Lin Kuo
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Institute of Medical Science and Technology, National Sun Yat-Sen University, Kaohsiung 804, Taiwan.
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Aruna G. Plasma levels of N-telopeptide of Type I collagen in periodontal health, disease and after treatment. Dent Res J (Isfahan) 2016; 13:18-23. [PMID: 26962311 PMCID: PMC4770465 DOI: 10.4103/1735-3327.174691] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Background: To determine plasma concentrations of bone resorption marker cross-linked N-terminal telopeptide (NTx) of Type I collagen in periodontal health, disease and after nonsurgical periodontal therapy in chronic periodontitis group. In addition, to know the association between plasma NTx levels and the different clinical parameters. Materials and Methods: Thirty subjects were divided on the basis of their periodontal status and were categorized as Group I: Healthy, Group II: Gingivitis, and Group III: Chronic periodontitis. Group III subjects were treated with scaling and root planing, 6-8 weeks later blood samples were analyzed, and they constituted Group IV. NTx levels in plasma were analyzed by competitive - enzyme-linked immunosorbent assay. All data were analyzed using statistical software (SPSS) (α = 0.05). Results: All the samples tested positive for the presence of NTx. The mean NTx concentration was highest in Group III (18.77 nanomole Bone Collagen Equivalent [nm BCE]) and the lowest in Group IV (16.02 nm BCE). The values of Group I and Group II fell between the highest and the lowest values (16.23 nm BCE and 16.70 nm BCE, respectively). The difference in mean NTx levels in Group III and Group IV were statistically significant. NTx levels in all the groups positively correlated with the clinical parameters. All data were analyzed using statistical software (SPSS) (α = 0.05). Conclusion: Within the limits of this study, it may be suggested that plasma NTx levels may provide distinguishing data between periodontally healthy diseased sites and after nonsurgical therapy of diseased sites.
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Affiliation(s)
- Ganganna Aruna
- Department of Periodontology, JSS Dental College and Hospital, Mysore, Karnataka, India
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Wu Q, Zhong ZM, Pan Y, Zeng JH, Zheng S, Zhu SY, Chen JT. Advanced Oxidation Protein Products as a Novel Marker of Oxidative Stress in Postmenopausal Osteoporosis. Med Sci Monit 2015; 21:2428-32. [PMID: 26286507 PMCID: PMC4547543 DOI: 10.12659/msm.894347] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Advanced oxidation protein products (AOPPs) are acknowledged as a novel marker of oxidation-mediated protein damage. This study aimed to investigate the plasma levels of AOPPs in postmenopausal osteoporotic women, and to determine the relationship between AOPPs accumulation and lumbar bone mineral destiny (BMD) or bone turnover markers. MATERIAL AND METHODS Lumbar BMD was measured by dual-energy X-ray absorptiometry. Plasma AOPPs levels as a marker of protein oxidation damage and malondialdehyde (MDA) levels as a marker of lipid peroxidation were measured by spectrophotometry. The concentrations of 2 specific markers of bone turnover, bone-specific alkaline phosphatase (BALP) and tartrate-resistant acid phosphatase5b, (TRACP 5b) were quantified using ELISA kits. RESULTS We recruited 60 postmenopausal women meeting osteoporosis (OP) diagnostic criteria of World Health Organization (WHO) and 60 postmenopausal women without OP. Plasma levels of AOPPs (P<0.001), BALP (P<0.001) and TRACP 5b (P<0.001) were statistically significantly increased in the postmenopausal osteoporotic women compared with controls, but there was no statistically significant difference in MDA (P=0.124) between the 2 groups. Plasma AOPPs levels were negatively correlated with lumbar BMD and positively correlated with bone turnover markers both in postmenopausal osteoporotic women and in all subjects. However, plasma MDA levels were not correlated with lumbar BMD or bone turnover markers. CONCLUSIONS In postmenopausal osteoporotic women elevated AOPPs is associated with reduced BMD and increased bone turnover markers. Because AOPPs is stable and easy to detect it may be used as a simple plasma marker to predict the severity of postmenopausal OP.
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Affiliation(s)
- Qian Wu
- Department of Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China (mainland)
| | - Zhao-Ming Zhong
- Department of Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China (mainland)
| | - Ying Pan
- Department of Oncology, Affiliated Jiujiang Hospital of Nanchang University, Jiujiang, Jiangxi, China (mainland)
| | - Ji-Huan Zeng
- Department of Orthopedics, Jiangxi Provincial People's Hospital, Nanchang, Jiangxi, China (mainland)
| | - Shuai Zheng
- Department of Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China (mainland)
| | - Si-Yuan Zhu
- Department of Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China (mainland)
| | - Jian-Ting Chen
- Department of Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China (mainland)
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Effect of neoadjuvant chemotherapy on the serum levels of bone turnover markers in women with early-stage breast cancer. PLoS One 2015; 10:e0126053. [PMID: 25923354 PMCID: PMC4414610 DOI: 10.1371/journal.pone.0126053] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Accepted: 03/28/2015] [Indexed: 11/19/2022] Open
Abstract
Background To evaluate effects of neoadjuvant chemotherapy on the bone turnover markers of preoperational breast cancer patients. Methods Forty-one breast cancer patients (29 premenopausal and 12 postmenopausal) and 60 healthy women (30 premenopausal and 30 postmenopausal) aged 30-64 years, were evaluated for their bone status. Serum levels of the bone formation markers PINP and BAP, as well as the resorption markers ICTP and β-Crosslaps in addition to E2, FSH, 25(OH)D and PTH were measured at the initial diagnosis and at 24 hours after each four chemotherapy cycles. BMD T-scores were determined in 12 patients 6 months after the neoadjuvant chemotherapies. Results The baseline levels of both bone formation and resorption markers in premenopausal patients were higher than in premenopausal healthy women (p<0.05), while no statistic difference was observed between postmenopausal patients and postmenopausal healthy women. Regardless of the menopausal status, chemotherapy increased the ICTP and β-Crosslaps levels (p<0.05), but decreased the BAP and PINP levels (p<0.05), the later one significantly more with Taxane medication (p<0.01, p<0.05). Chemotherapy caused significant decreases of 25(OH)D levels in premenopausal (p<0.01) and postmenopausal (p<0.05) patients, however, did not affect the PTH concentrations. In premenopausal patients the E2 level decreased, while the FSH level increased after chemotherapy (p<0.05). Patients with pronounced ICTP and β-Crosslaps combined with reduced BAP and PINP serum concentrations after neoadjuvant chemotherapies were prone to develop osteoporosis 6 month later. Conclusions Neoadjuvant chemotherapy appeared to promote bone resorption and inhibit bone formation in both postmenopausal and premenopausal early-stage breast patients.
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Ferreira A, Alho I, Casimiro S, Costa L. Bone remodeling markers and bone metastases: From cancer research to clinical implications. BONEKEY REPORTS 2015; 4:668. [PMID: 25908969 DOI: 10.1038/bonekey.2015.35] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Accepted: 02/19/2015] [Indexed: 12/12/2022]
Abstract
Bone metastasis is a frequent finding in the natural history of several types of cancers. However, its anticipated risk, diagnosis and response to therapy are still challenging to assess in clinical practice. Markers of bone metabolism are biochemical by-products that provide insight into the tumor-bone interaction, with potential to enhance the clinical management of patients with bone metastases. In fact, these markers had a cornerstone role in the development of bone-targeted agents; however, its translation to routine practice is still unclear, as reflected by current international guidelines. In this review, we aimed to capture several of the research and clinical translational challenges regarding the use of bone metabolism markers that we consider relevant for future research in bone metastasis.
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Affiliation(s)
- Arlindo Ferreira
- Hospital de Santa Maria , Lisbon, Portugal ; Instituto de Medicina Molecular, Faculdade de Medicina , Universidade de Lisboa, Lisbon, Portugal
| | - Irina Alho
- Instituto de Medicina Molecular, Faculdade de Medicina , Universidade de Lisboa, Lisbon, Portugal
| | - Sandra Casimiro
- Instituto de Medicina Molecular, Faculdade de Medicina , Universidade de Lisboa, Lisbon, Portugal
| | - Luís Costa
- Hospital de Santa Maria , Lisbon, Portugal ; Instituto de Medicina Molecular, Faculdade de Medicina , Universidade de Lisboa, Lisbon, Portugal
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Jung K, Lein M. Bone turnover markers in serum and urine as diagnostic, prognostic and monitoring biomarkers of bone metastasis. Biochim Biophys Acta Rev Cancer 2014; 1846:425-38. [PMID: 25220832 DOI: 10.1016/j.bbcan.2014.09.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Revised: 08/14/2014] [Accepted: 09/01/2014] [Indexed: 01/25/2023]
Abstract
Bone metastases are characterized by increased osteoblastic and/or osteolytic processes depending on the tumor type. The altogether destructive effect of metastasis formation promoted by increased metabolic activity raises the release of components from the osseous metabolism into the blood stream. These components are either enzymes directly involved in the alteration processes, metabolites/proteins that develop during this or bone matrix proteins released during this. These biomarkers are categorized in relation to their involvement in the bone formation or resorption as bone formation and resorption markers. Based on a PubMed literature search, a critical appraisal of the various biomarkers for diagnostic, prognostic, and monitoring purposes is given for patients with skeletal metastases caused by breast, prostate, lung, or renal cell carcinomas.
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Affiliation(s)
- Klaus Jung
- Department of Urology, University Hospital Charité, Berlin, Germany; Berlin Institute for Urologic Research, Berlin, Germany.
| | - Michael Lein
- Berlin Institute for Urologic Research, Berlin, Germany; Department of Urology, Sana Hospital Center, Offenbach, Germany
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Coleman R, Body JJ, Aapro M, Hadji P, Herrstedt J. Bone health in cancer patients: ESMO Clinical Practice Guidelines. Ann Oncol 2014; 25 Suppl 3:iii124-37. [PMID: 24782453 DOI: 10.1093/annonc/mdu103] [Citation(s) in RCA: 347] [Impact Index Per Article: 34.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
There are three distinct areas of cancer management that make bone health in cancer patients of increasing clinical importance. First, bone metastases are common in many solid tumours, notably those arising from the breast, prostate and lung, as well as multiple myeloma, and may cause major morbidity including fractures, severe pain, nerve compression and hypercalcaemia. Through optimum multidisciplinary management of patients with bone metastases, including the use of bone-targeted treatments such as potent bisphosphonates or denosumab, it has been possible to transform the course of advanced cancer for many patients resulting in a major reduction in skeletal complications, reduced bone pain and improved quality of life. Secondly, many of the treatments we use to treat cancer patients have effects on reproductive hormones, which are critical for the maintenance of normal bone remodelling. This endocrine disturbance results in accelerated bone loss and an increased risk of osteoporosis and fractures that can have a significant negative impact on the lives of the rapidly expanding number of long-term cancer survivors. Finally, the bone marrow micro-environment is also intimately involved in the metastatic processes required for cancer dissemination, and there are emerging data showing that, at least in some clinical situations, the use of bone-targeted treatments can reduce metastasis to bone and has potential impact on patient survival.
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Affiliation(s)
- R Coleman
- Weston Park Hospital, Cancer Research-UK/Yorkshire Cancer Research Sheffield Cancer Research Centre, Sheffield, UK
| | - J J Body
- CHU Brugmann, Université Libre de Bruxelles, Brussels, Belgium
| | - M Aapro
- Multidisciplinary Oncology Institute, Genolier, Switzerland
| | - P Hadji
- Department of Gynecology, Endocrinology and Oncology, Philipps-University of Marburg, Marburg, Germany
| | - J Herrstedt
- Department of Oncology, Odense University Hospital, Odense, Denmark
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Anastasia L, Rota P, Anastasia M, Allevi P. Chemical structure, biosynthesis and synthesis of free and glycosylated pyridinolines formed by cross-link of bone and synovium collagen. Org Biomol Chem 2014; 11:5747-71. [PMID: 23873348 DOI: 10.1039/c3ob40945g] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
This review focuses on the chemical structure, biosynthesis and synthesis of free and glycosylated pyridinolines (Pyds), fluorescent collagen cross-links, with a pyridinium salt structure. Pyds derive from the degradation of bone collagen and have attracted attention for their use as biochemical markers of bone resorption and to assess fracture risk prediction in persons suffering from osteoporosis, bone cancer and other bone or collagen diseases. We consider and critically discuss all reported syntheses of free and glycosylated Pyds evidencing an unrevised chemistry, original and of general utility, analysis of which allows us to also support a previously suggested non-enzymatic formation of Pyds in collagen better rationalizing and justifying the chemical events.
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Affiliation(s)
- Luigi Anastasia
- Department of Biomedical Sciences for Health, University of Milan, via F.lli Cervi 93, 20090 Segrate (Milan), Italy.
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31
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Hlaing TT, Compston JE. Biochemical markers of bone turnover - uses and limitations. Ann Clin Biochem 2014; 51:189-202. [PMID: 24399365 DOI: 10.1177/0004563213515190] [Citation(s) in RCA: 151] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Bone turnover markers of resorption and formation are released during the process of bone remodelling. These markers have been extensively studied in a number of therapeutic trials of osteoporosis during the past decade. This has led to better understanding of their physiology, clinical applications and possible ways to optimize analytical techniques. Bone markers can complement the results of bone mineral density in the management of osteoporosis, but their use in clinical practice is challenged by pre-analytical and analytical variability. This review will discuss different types of bone markers, their limitations, use in different metabolic bone diseases and current recommendations from the International Osteoporosis Foundation and the International Federation of Clinical Chemistry and Laboratory Medicine bone marker standards working group.
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Affiliation(s)
- Thinn Thinn Hlaing
- Clinical Biochemistry Department, Cambridge University Foundation Trust, Cambridge, UK
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Tang C, Liu Y, Qin H, Li X, Guo W, Li J, Wang W, Qu L, Hu H, Xu C, Zheng L, Huang Y, Liu B, Gao H, Halleen JM, Liu X. Clinical significance of serum BAP, TRACP 5b and ICTP as bone metabolic markers for bone metastasis screening in lung cancer patients. Clin Chim Acta 2013; 426:102-7. [PMID: 24055775 DOI: 10.1016/j.cca.2013.09.011] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Revised: 08/17/2013] [Accepted: 09/12/2013] [Indexed: 10/26/2022]
Abstract
BACKGROUND We investigated the clinical significance of serum bone-specific alkaline phosphatase (BAP), tartrate-resistant acid phosphatase isoform 5b (TRACP 5b) and type I collagen carboxyterminal telopeptide (ICTP) as bone metabolic markers for bone metastasis (BM) screening in lung cancer patients. METHODS Newly diagnosed advanced lung cancer patients with (N = 130) and without (N = 135) BM were enrolled in the study. Serum BAP, TRACP 5b and ICTP were measured before the treatment. RESULTS BAP, TRACP 5b and ICTP values were higher in patients with BM compared with patients without BM (all P < 0.0001). Area under ROC curve (AUC) of BAP, TRACP 5b and ICTP was 0.760, 0.753 and 0.835 (all P < 0.0001), respectively. The cut-off values for BAP, TRACP 5b and ICTP were 21.8 μg/l, 7.8 U/l and 8.8 μg/l, respectively. When TRACP 5b and ICTP were combined, AUC was elevated to 0.895 (P < 0.0001), and the cut-off values were TRACP 5b 7.6 U/l and ICTP 8.4 μg/l. CONCLUSIONS We conclude that serum BAP, TRACP 5b and ICTP may serve as useful tools for BM screening in lung cancer patients.
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Affiliation(s)
- Chuanhao Tang
- Department of Lung Cancer, Affiliated Hospital of Academy of Military Medical Sciences, No. 8 Dongdajie, Beijing 100071, China
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Lang JM, Wallace M, Becker JT, Eickhoff JC, Buehring B, Binkley N, Staab MJ, Wilding G, Liu G, Malkovsky M, McNeel DG. A randomized phase II trial evaluating different schedules of zoledronic acid on bone mineral density in patients with prostate cancer beginning androgen deprivation therapy. Clin Genitourin Cancer 2013; 11:407-15. [PMID: 23835291 DOI: 10.1016/j.clgc.2013.04.029] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2013] [Revised: 04/21/2013] [Accepted: 04/22/2013] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To assess the effects of timing and schedule of zoledronic acid (ZA) administration on bone mineral density (BMD) in patients beginning androgen deprivation therapy (ADT) for the treatment of recurrent prostate cancer. PATIENTS AND METHODS In this randomized, 3-arm trial, we evaluated changes in BMD after 3 different ZA administration schedules in men with recurrent prostate cancer who were beginning ADT. Forty-four patients were enrolled and randomized to receive a single dose of ZA given 1 week before beginning ADT (arm 1), a single dose of ZA given 6 months after beginning ADT (arm 2), or monthly administration of ZA starting 6 months after beginning ADT, for a total of 6 doses (arm 3). RESULTS Patients who received ZA before ADT had a significant improvement in BMD at the total proximal femur and trochanter after 6 months compared with the other groups. In addition, only patients in the arm that received multiple doses improved lumbar spine BMD while on ADT, with these findings persisting to 24 months. However, this group also experienced more grade 1 adverse events. CONCLUSIONS Analysis of these data suggests that ZA administration before initiation of ADT was superior to treatment 6 months after starting ADT in maintaining BMD. In addition, monthly ZA administration can increase BMD above baseline but is associated with more adverse events. Further study is needed to examine whether the timing and frequency of ZA therapy in patients on ADT can reduce fracture risk.
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Affiliation(s)
- Joshua M Lang
- Department of Medicine, University of Wisconsin, Madison, WI; Carbone Cancer Center, University of Wisconsin, Madison, WI
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AKTAS BAHRIYE, KASIMIR-BAUER SABINE, LEHMANN NILS, KIMMIG RAINER, TEWES MITRA. Validity of bone marker measurements for monitoring response to bisphosphonate therapy with zoledronic acid in metastatic breast cancer. Oncol Rep 2013; 30:441-7. [DOI: 10.3892/or.2013.2409] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2012] [Accepted: 09/17/2012] [Indexed: 11/05/2022] Open
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Vasconcelos ACU, de Azambuja Berti-Couto S, Figueiredo MA, Salum FG, Lopes TG, Cherubini K. Laboratory methods and biomarkers in the evaluation of bisphosphonate effects on body tissues: a literature review. J Oral Pathol Med 2012; 42:577-86. [PMID: 23278676 DOI: 10.1111/jop.12031] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/17/2012] [Indexed: 01/06/2023]
Affiliation(s)
- Ana Carolina Uchoa Vasconcelos
- Postgraduate Program; Dental College; Pontifical Catholic University of Rio Grande do Sul - PUCRS; Porto Alegre RS Brazil
| | - Soraya de Azambuja Berti-Couto
- Postgraduate Program; Dental College; Pontifical Catholic University of Rio Grande do Sul - PUCRS; Porto Alegre RS Brazil
| | - Maria Antonia Figueiredo
- Postgraduate Program; Dental College; Pontifical Catholic University of Rio Grande do Sul - PUCRS; Porto Alegre RS Brazil
| | - Fernanda Gonçalves Salum
- Postgraduate Program; Dental College; Pontifical Catholic University of Rio Grande do Sul - PUCRS; Porto Alegre RS Brazil
| | - Tiago Giuliani Lopes
- Department of Pathology; School of Medicine; Hospital São Lucas; Pontifical Catholic University of Rio Grande do Sul - PUCRS; Porto Alegre RS Brazil
| | - Karen Cherubini
- Postgraduate Program; Dental College; Pontifical Catholic University of Rio Grande do Sul - PUCRS; Porto Alegre RS Brazil
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36
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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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Morris PG, Fazio M, Farooki A, Estilo C, Mallam D, Conlin A, Patil S, Fleisher M, Cremers S, Huryn J, Hudis CA, Fornier MN. Serum N-Telopeptide and Bone-Specific Alkaline Phosphatase Levels in Patients With Osteonecrosis of the Jaw Receiving Bisphosphonates for Bone Metastases. J Oral Maxillofac Surg 2012; 70:2768-75. [DOI: 10.1016/j.joms.2011.12.028] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2011] [Accepted: 12/19/2011] [Indexed: 11/30/2022]
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The IGR-CaP1 xenograft model recapitulates mixed osteolytic/blastic bone lesions observed in metastatic prostate cancer. Neoplasia 2012; 14:376-87. [PMID: 22745584 DOI: 10.1593/neo.12308] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2012] [Revised: 04/18/2012] [Accepted: 04/18/2012] [Indexed: 12/19/2022] Open
Abstract
Bone metastases have a devastating impact on quality of life and bone pain in patients with prostate cancer and decrease survival. Animal models are important tools in investigating the pathogenesis of the disease and in developing treatment strategies for bone metastases, but few animal models recapitulate spontaneous clinical bone metastatic spread. In the present study, IGR-CaP1, a new cell line derived from primary prostate cancer, was stably transduced with a luciferase-expressing viral vector to monitor tumor growth in mice using bioluminescence imaging. The IGR-CaP1 tumors grew when subcutaneously injected or when orthotopically implanted, reconstituted the prostate adenocarcinoma with glandular acini-like structures, and could disseminate to the liver and lung. Bone lesions were detected using bioluminescence imaging after direct intratibial or intracardiac injections. Anatomic bone structure assessed using high-resolution computed tomographic scans showed both lytic and osteoblastic lesions. Technetium Tc 99m methylene diphosphonate micro single-photon emission computed tomography confirmed the mixed nature of the lesions and the intensive bone remodeling. We also identified an expression signature for responsiveness of IGR-CaP1 cells to the bone microenvironment, namely expression of CXCR4, MMP-9, Runx2, osteopontin, osteoprotegerin, ADAMTS14, FGFBP2, and HBB. The IGR-CaP1 cell line is a unique model derived from a primary tumor, which can reconstitute human prostate adenocarcinoma in animals and generate experimental bone metastases, providing a novel means for understanding the mechanisms of bone metastasis progression and allowing preclinical testing of new therapies.
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Hannon RA, Finkelman RD, Clack G, Iacona RB, Rimmer M, Gossiel F, Baselga J, Eastell R. Effects of Src kinase inhibition by saracatinib (AZD0530) on bone turnover in advanced malignancy in a Phase I study. Bone 2012; 50:885-92. [PMID: 22245630 DOI: 10.1016/j.bone.2011.12.017] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2011] [Revised: 12/20/2011] [Accepted: 12/22/2011] [Indexed: 11/18/2022]
Abstract
Saracatinib (AZD0530) is an orally active once-daily Src kinase inhibitor which modulates key signaling pathways in cancer cells. In a Phase I study in patients with advanced solid malignancies resistant to standard treatment we assessed the effect of saracatinib on bone turnover. Fifty-one patients were randomized into three parallel groups to receive saracatinib 50, 125 or 175 mg/day. After a single dose followed by a 7-day washout, patients received once-daily doses for 21 days. Bone turnover markers were measured in serum and urine samples collected before dosing on days 1, 2, 3, 17 and 28. Samples were available at baseline and more than one other time point for 44 patients. Bone resorption markers were significantly decreased by saracatinib. Serum cross-linked C-terminal telopeptide of type I collagen (sCTX) changed in the 50, 125 and 175 mg/day groups by -36% (95% CI -58, -4), -64% (95% CI -75, -48) and -75% (95% CI -83, -61), respectively, at day 28. Urinary cross-linked N-terminal telopeptide of type I collagen/creatinine ratio (uNTX/Cr) changed in the 50, 125 and 175 mg/day groups by; -13% (95% CI -33, 13), -48% (95% CI -59, -34) and -50% (95% CI -62, -35), respectively, at day 28. The significant decreases in bone resorption markers indicate that suppression of Src kinase inhibits osteoclast activity in patients with advanced cancer. This result suggests that saracatinib may have therapeutic benefit in metastatic bone disease.
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Affiliation(s)
- Rosemary A Hannon
- Academic Unit of Bone Metabolism, University of Sheffield, Sheffield, UK
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Wölfl C, Takur C, Moghaddam AA, Zimmermann G, Hitzler M, Schmidt-Gayk H, Höner B, Grützner PA, Kolios L. [The Ludwigshafen Osteoporosis Screening Questionnaire (LOS Questionnaire): result of the evaluation of anamnestic risk factors in osteoporosis diagnostics]. Unfallchirurg 2011; 116:144-50. [PMID: 22170326 DOI: 10.1007/s00113-011-2133-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
BACKGROUND Osteoporosis is a major health problem worldwide and is included in the WHO list of the top ten major diseases. However, it is often undiagnosed until the first fracture occurs, due to inadequate patient education and lack of insurance coverage for screening tests. METHODS AND MATERIAL In our study of 78 patients with metaphyseal long bone fractures, we searched for a correlation between anamnestic risk factors, bone-specific laboratory values, and the bone morphogenic density (BMD). Each indicator was examined as a possible diagnostic instrument for osteoporosis. The secondary aim of this study was to demonstrate the high prevalence of osteoporosis in patients with metaphyseal fractures. RESULTS Of our fracture patients 76.9% had decreased bone density and 43.6% showed manifest osteoporosis in DXA (densitometry) measurements. Our modified LOS Questionnaire, identifying anamnestic risk factors, correlated highly significantly (p=0.01) with reduced BMD, whereas seven bone-specific laboratory values (p=0.046) correlated significantly. CONCLUSION Anamnestic risk factors correlate with pathological BMD more than bone-specific laboratory values. The LOS Questionnaire used in this study would therefore function as a cost-effective primary diagnostic instrument for identification of osteoporosis patients.
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Affiliation(s)
- C Wölfl
- Klinik für Unfallchirurgie und Orthopädie, BG-Unfallklinik Ludwigshafen, Ludwig-Guttmann-Straße 13, 67063, Ludwigshafen, Deutschland.
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Kolios L, Takur C, Moghaddam A, Hitzler M, Schmidt-Gayk H, Suda AJ, Höner B, Grützner PA, Wölfl C. Anamnestic risk factor questionnaire as reliable diagnostic instrument for osteoporosis (reduced bone morphogenic density). BMC Musculoskelet Disord 2011; 12:187. [PMID: 21849030 PMCID: PMC3176487 DOI: 10.1186/1471-2474-12-187] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2011] [Accepted: 08/17/2011] [Indexed: 11/23/2022] Open
Abstract
Background Osteoporosis is a major health problem worldwide, and is included in the WHO list of the top 10 major diseases. However, it is often undiagnosed until the first fracture occurs, due to inadequate patient education and lack of insurance coverage for screening tests. Anamnestic risk factors like positive family anamnesis or early menopause are assumed to correlate with reduced BMD. Methods In our study of 78 patients with metaphyseal long bone fractures, we searched for a correlation between anamnestic risk factors, bone specific laboratory values, and the bone morphogenic density (BMD). Each indicator was examined as a possible diagnostic instrument for osteoporosis. The secondary aim of this study was to demonstrate the high prevalence of osteoporosis in patients with metaphyseal fractures. Results 76.9% of our fracture patients had decreased bone density and 43.6% showed manifest osteoporosis in DXA (densitometry) measurements. Our questionnaire, identifying anamnestic risk factors, correlated highly significantly (p = 0.01) with reduced BMD, whereas seven bone-specific laboratory values (p = 0.046) correlated significantly. Conclusions Anamnestic risk factors correlate with pathological BMD. The medical questionnaire used in this study would therefore function as a cost-effective primary diagnostic instrument for identification of osteoporosis patients.
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Affiliation(s)
- Leila Kolios
- Department for Plastic-, Reconstructive and Handsurgery, Burn Care Centre, BG Unfallklinik Ludwigshafen, Ludwig-Guttmann-Str,13, 67071 Ludwigshafen, Germany.
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Middlemiss T, Laird B, Fallon M. Mechanisms of Cancer-induced Bone Pain. Clin Oncol (R Coll Radiol) 2011; 23:387-92. [DOI: 10.1016/j.clon.2011.03.003] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2010] [Accepted: 03/11/2011] [Indexed: 10/18/2022]
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Feller L, Kramer B, Lemmer J. A short account of metastatic bone disease. Cancer Cell Int 2011; 11:24. [PMID: 21794164 PMCID: PMC3160351 DOI: 10.1186/1475-2867-11-24] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2011] [Accepted: 07/27/2011] [Indexed: 01/11/2023] Open
Abstract
In adults, bone is the preferential target site for metastases from primary cancers of prostate, breast, lungs and thyroid. The tendency of these cancers to metastasize to bone is determined by the anatomical distribution of the blood vessels, by the genetic profile of the cancer cells and by the biological characteristics of the bone microenvironment that favour the growth of metastatic cells of certain cancers.Metastases to bone may have either an osteolytic or an ostoblastic phenotype. The interaction in the bone microenvironment between biological factors secreted by metastatic cells, and by osteoblasts and osteoclasts, and the osteolytic and osteoblastic factors released from the organic matrix mediate a vicious cycle characterized by metastatic growth and by ongoing progressive bone destruction. This interaction determines the phenotype of the metastatic bone disease.
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Affiliation(s)
- Liviu Feller
- Department of Periodontology and Oral Medicine, School of Oral Health Sciences, Faculty of Health Sciences, University of Limpopo, Medunsa Campus, South Africa
| | - Beverley Kramer
- School of Anatomical Sciences, Faculty of Health Sciences, University of Witwatersrand, Johannesburg, South Africa
| | - Johan Lemmer
- Department of Periodontology and Oral Medicine, School of Oral Health Sciences, Faculty of Health Sciences, University of Limpopo, Medunsa Campus, South Africa
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The primordium of a biological joint replacement: Coupling of two stem cell pathways in biphasic ultrarapid compressed gel niches. J Craniomaxillofac Surg 2011; 39:380-6. [DOI: 10.1016/j.jcms.2010.07.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2010] [Revised: 05/11/2010] [Accepted: 07/21/2010] [Indexed: 12/29/2022] Open
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Bayrak SB, Ceylan E, Serter M, Karadağ F, Demir E, Çildağ O. The clinical importance of bone metabolic markers in detecting bone metastasis of lung cancer. Int J Clin Oncol 2011; 17:112-8. [DOI: 10.1007/s10147-011-0266-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2011] [Accepted: 05/27/2011] [Indexed: 10/18/2022]
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Consensus on the utility of bone markers in the malignant bone disease setting. Crit Rev Oncol Hematol 2011; 80:411-32. [PMID: 21411334 DOI: 10.1016/j.critrevonc.2011.02.005] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2010] [Revised: 02/09/2011] [Accepted: 02/17/2011] [Indexed: 01/23/2023] Open
Abstract
Biochemical markers of bone turnover provide insight into ongoing rates of skeletal metabolism and tumor-bone interactions in patients with malignant bone disease. This article reviews the available recent evidence assessing the potential of bone markers for detecting and monitoring malignant bone lesions in patients with advanced cancers, and for assessing overall skeletal health and response to antiresorptive therapies in patients at all stages of cancer progression. Most data thus far are for urinary N-terminal cross-linked telopeptide of type I collagen (NTX) in predicting risks of skeletal morbidity and death and monitoring response to zoledronic acid in patients with bone metastases. Ongoing studies are evaluating such correlations for other markers and therapies. Emerging evidence suggests that bone markers may help identify patients at high risk for bone metastasis or bone lesion progression, thereby allowing improved follow-up. Results from ongoing clinical trials evaluating such potential applications of bone markers are awaited.
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Evolving role of bone biomarkers in castration-resistant prostate cancer. Neoplasia 2011; 12:685-96. [PMID: 20824045 DOI: 10.1593/neo.10610] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2010] [Revised: 06/15/2010] [Accepted: 06/15/2010] [Indexed: 12/18/2022] Open
Abstract
The preferential metastasis of prostate cancer cells to bone disrupts the process of bone remodeling and results in lesions that cause significant pain and patient morbidity. Although prostate-specific antigen (PSA) is an established biomarker in prostate cancer, it provides only limited information relating to bone metastases and the treatment of metastatic bone disease with bisphosphonates or novel noncytotoxic targeted or biological agents that may provide clinical benefits without affecting PSA levels. As bone metastases develop, factors derived from bone metabolism are released into blood and urine, including N- and C-terminal peptide fragments of type 1 collagen and bone-specific alkaline phosphatase, which represent potentially useful biomarkers for monitoring metastatic bone disease. A number of clinical trials have investigated these bone biomarkers with respect to their diagnostic, prognostic, and predictive values. Results suggest that higher levels of bone biomarkers are associated with an increased risk of skeletal-related events and/or death. As a result of these findings, bone biomarkers are now being increasingly used as study end points, particularly in studies investigating novel agents with putative bone effects. Data from prospective clinical trials are needed to validate the use of bone biomarkers and to confirm that marker levels provide additional information beyond traditional methods of response evaluation for patients with metastatic prostate cancer.
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Abstract
Sex hormones are important regulators of bone metabolism. As hormonal contraceptives contain either oestrogens or progestins, or a combination thereof, it is conceivable that these widely used agents have an effect on bone metabolism and bone health. The main users of hormonal contraceptives, adolescent girls and young women, are still building bone and accruing bone mass and may therefore be particularly susceptible to the effects of hormonal contraceptives on bone. Despite these concerns, the effects of hormonal contraceptives on bone health are still poorly understood. As biochemical markers of bone turnover have been proven useful tools in the assessment and monitoring of bone metabolism, we reviewed the effects of combined and gestagen-only hormonal contraceptives on bone turnover markers and related effects on bone mineral density and fracture risk in premenopausal women, as documented in the literature until January 2009.
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Affiliation(s)
- Markus Herrmann
- ANZAC Research Institute, University of Sydney, Sydney, NSW, Australia
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Abstract
Imatinib mesylate is a rationally designed tyrosine kinase inhibitor that has revolutionized the treatment of chronic myeloid leukemia and gastrointestinal stromal tumors. Although the efficacy and tolerability of imatinib are a vast improvement over conventional chemotherapies, the drug exhibits off-target effects. An unanticipated side effect of imatinib therapy is hypophosphatemia and hypocalcemia, which in part has been attributed to drug-mediated changes to renal and gastrointestinal handling of phosphate and calcium. However, emerging data suggest that imatinib also targets cells of the skeleton, stimulating the retention and sequestration of calcium and phosphate to bone, leading to decreased circulating levels of these minerals. The aim of this review is to highlight our current understanding of the mechanisms surrounding the effects of imatinib on the skeleton. In particular, it examines recent studies suggesting that imatinib has direct effects on bone-resorbing osteoclasts and bone-forming osteoblasts through inhibition of c-fms, c-kit, carbonic anhydrase II, and the platelet-derived growth factor receptor. The potential application of imatinib in the treatment of cancer-induced osteolysis will also be discussed.
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Lein M, Miller K, Wirth M, Weissbach L, May C, Schmidt K, Haus U, Schrader M, Jung K. Bone turnover markers as predictive tools for skeletal complications in men with metastatic prostate cancer treated with zoledronic acid. Prostate 2009; 69:624-32. [PMID: 19143027 DOI: 10.1002/pros.20917] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
BACKGROUND Bone turnover markers are helpful to diagnose bone metastases. The aim of this study was to evaluate the usefulness of these markers in prostate cancer patients with bone metastases before and during the treatment with zoledronic acid as predictive and monitoring tools of skeletal-related events (SRE). METHODS One hundred seventeen prostate cancer patients with bone metastases and treated with zoledronic acid (4 mg every 4 weeks) were examined. Fifty-six patients were with and 61 patients without SRE during a 60-week study. Total and bone-specific alkaline phosphatase, and amino-terminal procollagen propeptides of type-I-collagen (PINP), cross-linked N-terminal (NTx), cross-linked C-terminal telopeptides of type-I-collagen (ICTP), and C-terminal telopeptides of type-I-collagen as well as prostate-specific antigen (PSA) were measured before and 12, 24, 36, 48, and 60 weeks after starting treatment. RESULTS Higher baseline concentrations were observed in the SRE group. The bone markers except for ICTP and tALP decreased to 20-80% of the baseline values at week 12 after the drug administration showing a generally higher decline in the non-SRE group except for NTx. At all time points during treatment higher and increasing concentrations of bone markers were observed in the SRE group compared with non-SRE group. Cox regression models with clinical data and bone markers showed the baseline NTx concentration as predictor of SREs. During the study, percentage changes of PINP and ICTP were most indicative for SREs. CONCLUSIONS Bone markers are useful tools to predict and diagnose SRE in prostate cancer patients with bone metastases under receiving zoledronic acid therapy.
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Affiliation(s)
- Michael Lein
- Department of Urology, Charité Hospital Berlin, University Medicine Berlin, Berlin, Germany
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