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Kimura A, Kato K, Nakashima A, Maruyama Y, Ohkido I, Miyazaki Y, Yokoo T. Association between parathyroid hormone-related peptide levels and mortality in patients with malignancy. Endocr Pract 2024:S1530-891X(24)00666-9. [PMID: 39265808 DOI: 10.1016/j.eprac.2024.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 08/28/2024] [Accepted: 09/02/2024] [Indexed: 09/14/2024]
Abstract
OBJECTIVE Hypercalcemia of malignancy is a risk factor for mortality in patients with malignancies. Although the parathyroid hormone-related protein (PTHrP) secreted by tumor cells induces hypercalcemia, the association between serum PTHrP levels and mortality remains unclear. This study aimed to investigate the association between serum PTHrP levels and mortality in patients with malignancies. METHODS We included patients with hypercalcemia (>10 mg/dL) and elevated PTHrP levels (>1.0 pmol/L) and analyzed mortality (overall survival after cancer diagnosis, PTHrP measurement, and 5-year survival rate). Moreover, using Cox proportional hazard model analysis, we investigated the impact of PTHrP levels on survival prognosis, assessing whether this effect varied depending on calcium concentration. RESULTS We analyzed the data of 183 patients. The median PTHrP level, corrected calcium level, and age were 5.5 (3.0-10.6) pmol/L, 12.5 (11.5-13.4) mg/dl, and 70 (61-76) years, respectively. PTHrP was significantly and linearly associated with serum calcium levels (correlation coefficient, 0.06; 95% confidence interval: 0.039-0.081, t: 5.69; p<0.001). The group with the highest PTHrP levels had significantly worse survival rates than the group with the lowest PTHrP levels (hazard ratio: 1.68, 95% confidence interval 1.03-2.77, p=0.038). CONCLUSION This study showed an association between PTHrP and mortality in patients with malignancy after adjusting for serum calcium levels.
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Affiliation(s)
- Ai Kimura
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Kazuhiko Kato
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Akio Nakashima
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan.
| | - Yukio Maruyama
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Ichiro Ohkido
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Yoichi Miyazaki
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Takashi Yokoo
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
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Royal-Preyra B, Boucher M, Marsan I. Urticaria Heralding Breast Cancer: Case Report and Literature Review. Adv Radiat Oncol 2024; 9:101433. [PMID: 38435967 PMCID: PMC10906169 DOI: 10.1016/j.adro.2023.101433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 12/15/2023] [Indexed: 03/05/2024] Open
Affiliation(s)
- Benjamin Royal-Preyra
- Department of Radiation Oncology, Regional University Affiliated Hospital Centre of Trois-RIvieres, University of Montreal, Montreal, Canada
| | - Melanie Boucher
- Department of Radiation Oncology, Regional University Affiliated Hospital Centre of Trois-RIvieres, University of Montreal, Montreal, Canada
| | - Isabelle Marsan
- Department of Radiation Oncology, Regional University Affiliated Hospital Centre of Trois-RIvieres, University of Montreal, Montreal, Canada
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Pokhrel NK, Panfil A, Habib H, Seeniraj S, Joseph A, Rauch D, Cox L, Sprung R, Gilmore PE, Zhang Q, Townsend RR, Yu L, Yilmaz AS, Aurora R, Park W, Ratner L, Weilbaecher KN, Veis DJ. HTLV-1 infected T cells cause bone loss via small extracellular vesicles. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.29.582779. [PMID: 38496506 PMCID: PMC10942274 DOI: 10.1101/2024.02.29.582779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Adult T cell leukemia (ATL), caused by infection with human T cell leukemia virus type 1 (HTLV-1), is often complicated by hypercalcemia and osteolytic lesions. Therefore, we studied the communication between patient-derived ATL cells (ATL-PDX) and HTLV-1 immortalized CD4+ T cell lines (HTLV/T) with osteoclasts and their effects on bone mass in mice. Intratibial inoculation of some HTLV/T lead to a profound local decrease in bone mass similar to marrow-replacing ATL-PDX, despite the fact that few HTLV/T cells persisted in the bone. To study the direct effect of HTLV/T and ATL-PDX on osteoclasts, supernatants were added to murine and human osteoclast precursors. ATL-PDX supernatants from hypercalcemic patients promoted formation of mature osteoclasts, while those from HTLV/T were variably stimulatory, but had largely consistent effects between human and murine cultures. Interestingly, this osteoclastic activity did not correlate with expression of osteoclastogenic cytokine RANKL, suggesting an alternative mechanism. HTLV/T and ATL-PDX produce small extracellular vesicles (sEV), known to facilitate HTLV-1 infection. We hypothesized that these sEV also mediate bone loss by targeting osteoclasts. We isolated sEV from both HTLV/T and ATL-PDX, and found they carried most of the activity found in supernatants. In contrast, sEV from uninfected activated T cells had little effect. Analysis of sEV (both active and inactive) by mass spectrometry and electron microscopy confirmed absence of RANKL and intact virus. Viral proteins Tax and Env were only present in sEV from the active, osteoclast-stimulatory group, along with increased representation of proteins involved in osteoclastogenesis and bone resorption. sEV injected over mouse calvaria in the presence of low dose RANKL caused more osteolysis than RANKL alone. Thus, HTLV-1 infection of T cells can cause release of sEV with strong osteolytic potential, providing a mechanism beyond RANKL production that modifies the bone microenvironment, even in the absence of overt leukemia.
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Elaasser B, Arakil N, Mohammad KS. Bridging the Gap in Understanding Bone Metastasis: A Multifaceted Perspective. Int J Mol Sci 2024; 25:2846. [PMID: 38474093 DOI: 10.3390/ijms25052846] [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: 01/30/2024] [Revised: 02/19/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024] Open
Abstract
The treatment of patients with advanced cancer poses clinical problems due to the complications that arise as the disease progresses. Bone metastases are a common problem that cancer patients may face, and currently, there are no effective drugs to treat these individuals. Prostate, breast, and lung cancers often spread to the bone, causing significant and disabling health conditions. The bone is a highly active and dynamic tissue and is considered a favorable environment for the growth of cancer. The role of osteoblasts and osteoclasts in the process of bone remodeling and the way in which their interactions change during the progression of metastasis is critical to understanding the pathophysiology of this disease. These interactions create a self-perpetuating loop that stimulates the growth of metastatic cells in the bone. The metabolic reprogramming of both cancer cells and cells in the bone microenvironment has serious implications for the development and progression of metastasis. Insight into the process of bone remodeling and the systemic elements that regulate this process, as well as the cellular changes that occur during the progression of bone metastases, is critical to the discovery of a cure for this disease. It is crucial to explore different therapeutic options that focus specifically on malignancy in the bone microenvironment in order to effectively treat this disease. This review will focus on the bone remodeling process and the effects of metabolic disorders as well as systemic factors like hormones and cytokines on the development of bone metastases. We will also examine the various therapeutic alternatives available today and the upcoming advances in novel treatments.
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Affiliation(s)
- Basant Elaasser
- Department of Anatomy, College of Medicine, Alfaisal University, Riyadh 1153, Saudi Arabia
| | - Nour Arakil
- Department of Anatomy, College of Medicine, Alfaisal University, Riyadh 1153, Saudi Arabia
| | - Khalid S Mohammad
- Department of Anatomy, College of Medicine, Alfaisal University, Riyadh 1153, Saudi Arabia
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Febrero B, Gómez B, Ruiz-Manzanera JJ, Ros-Madrid I, Rodríguez JM. Hypercalcemia as the first finding of late recurrence of a PTHrP neuroendocrine tumor of the pancreas. ENDOCRINOL DIAB NUTR 2024; 71:31-32. [PMID: 38350837 DOI: 10.1016/j.endien.2024.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 02/15/2024]
Affiliation(s)
- Beatriz Febrero
- Unidad de Cirugía Endocrina. Cirugía General y del Apartado Digestivo, Hospital Clínico Universitario Virgen de la Arrixaca, Instituto Murciano de Investigación Biosanitaria Pascual Parrilla (IMIB_Pascual Parrilla). Universidad de Murcia, Murcia, Spain.
| | - Beatriz Gómez
- Unidad de Cirugía Endocrina. Cirugía General y del Apartado Digestivo, Hospital Clínico Universitario Virgen de la Arrixaca, Instituto Murciano de Investigación Biosanitaria Pascual Parrilla (IMIB_Pascual Parrilla). Universidad de Murcia, Murcia, Spain
| | - Juan José Ruiz-Manzanera
- Unidad de Cirugía Endocrina. Cirugía General y del Apartado Digestivo, Hospital Clínico Universitario Virgen de la Arrixaca, Instituto Murciano de Investigación Biosanitaria Pascual Parrilla (IMIB_Pascual Parrilla). Universidad de Murcia, Murcia, Spain
| | - Inmaculada Ros-Madrid
- Servicio de Endocrinología, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain
| | - José M Rodríguez
- Unidad de Cirugía Endocrina. Cirugía General y del Apartado Digestivo, Hospital Clínico Universitario Virgen de la Arrixaca, Instituto Murciano de Investigación Biosanitaria Pascual Parrilla (IMIB_Pascual Parrilla). Universidad de Murcia, Murcia, Spain
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Chen Y, Guo ZN, He RQ, Huang ZG, Luo JY, Tang W, Huang SN, Chen G. How has the field of metastatic breast cancer in bones evolved over the past 22 years? J Bone Oncol 2023; 40:100480. [PMID: 37251089 PMCID: PMC10209145 DOI: 10.1016/j.jbo.2023.100480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/19/2023] [Accepted: 04/08/2023] [Indexed: 05/31/2023] Open
Abstract
Background Although knowledge on metastatic breast cancer in bones (MBCB) has increased rapidly over the past 22 years, a comprehensive and objective bibliometric analysis is still lacking. Materials and methods We used R, VOSviewer, and Citespace software to conduct a bibliometric analysis of 5,497 papers on MBCB from the Web of Science Core Collection (WOSCC) using author, institution, country/region, citation, and keyword indicators. Results A general strong sense of scholarly collaboration was noted in the MBCB field at the author, research institution, and country/region levels. We discovered some outstanding authors and highly productive institutions, but with less collaboration with other academic groups. Unbalanced and uncoordinated developments were observed among countries/regions in the field of MBCB research. We also found that by using various indicators and applying different analysis methods to them, we were able to broadly identify primary clinical practices, relevant clinical experiments, and directions for bioinformatics regarding MBCB, changes over the past 22 years, and current challenges in the field. The development of knowledge on MBCB is progressing greatly; however, MBCB is still incurable. Conclusion This study is the first to use bibliometrics to provide an overall analysis of the scientific output of MBCB studies. Palliative therapies for MBCB are mostly in a mature state. However, research on the molecular mechanisms and immune response to tumors related to the development of treatments to cure MBCB remains relatively immature. Therefore, further research should be undertaken in this area.
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Affiliation(s)
- Yi Chen
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road Nanning, Guangxi Zhuang Autonomous Region 530021, PR China
| | - Zhen-Ning Guo
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road Nanning, Guangxi Zhuang Autonomous Region 530021, PR China
| | - Rong-Quan He
- Department of Medical Oncology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road Nanning, Guangxi Zhuang Autonomous Region 530021, PR China
| | - Zhi-Guang Huang
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road Nanning, Guangxi Zhuang Autonomous Region 530021, PR China
| | - Jia-Yuan Luo
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road Nanning, Guangxi Zhuang Autonomous Region 530021, PR China
| | - Wei Tang
- Department of Breast Surgery, Guangxi Medical University Cancer Hospital, No. 71 Hedi Rd, Nanning, Guangxi Zhuang Autonomous Region, 530021, PR China
| | - Su-Ning Huang
- Department of Radiotherapy, Guangxi Medical University Cancer Hospital, No. 71 Hedi Rd, Nanning, Guangxi Zhuang Autonomous Region, 530021, PR China
| | - Gang Chen
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, 6 Shuangyong Road Nanning, Guangxi Zhuang Autonomous Region 530021, PR China
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