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Roweth HG. Platelet Contributions to the (Pre)metastatic Tumor Microenvironment. Semin Thromb Hemost 2024; 50:455-461. [PMID: 37832586 PMCID: PMC11177183 DOI: 10.1055/s-0043-1776005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2023]
Abstract
Alongside their conventional roles in thrombosis and hemostasis, platelets have long been associated with nonhemostatic pathologies, including tumor cell metastasis. Numerous mechanistic studies have since demonstrated that the direct binding of platelets to intravascular tumor cells promotes key hallmarks of metastasis, including survival in circulation and tumor cell arrest at secondary sites. However, platelets also interact with nonmalignant cells that make up the stromal and immune compartments within both primary and metastatic tumors. This review will first provide a brief historical perspective on platelet contributions to metastatic disease before discussing the emerging roles that platelets play in creating microenvironments that likely support successful tumor cell metastasis.
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Affiliation(s)
- Harvey G. Roweth
- Hematology Division, Brigham and Women’s Hospital, Boston, Massachusetts
- Department of Medicine, Harvard Medical School, Boston, Massachusetts
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2
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Khan SU, Fatima K, Malik F, Kalkavan H, Wani A. Cancer metastasis: Molecular mechanisms and clinical perspectives. Pharmacol Ther 2023; 250:108522. [PMID: 37661054 DOI: 10.1016/j.pharmthera.2023.108522] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/22/2023] [Accepted: 08/29/2023] [Indexed: 09/05/2023]
Abstract
Metastatic progression combined with non-responsiveness towards systemic therapy often shapes the course of disease for cancer patients and commonly determines its lethal outcome. The complex molecular events that promote metastasis are a combination of both, the acquired pro-metastatic properties of cancer cells and a metastasis-permissive or -supportive tumor micro-environment (TME). Yet, dissemination is a challenging process for cancer cells that requires a series of events to enable cancer cell survival and growth. Metastatic cancer cells have to initially detach themselves from primary tumors, overcome the challenges of their intravasal journey and colonize distant sites that are suited for their metastases. The implicated obstacles including anoikis and immune surveillance, can be overcome by intricate intra- and extracellular signaling pathways, which we will summarize and discuss in this review. Further, emerging modulators of metastasis, like the immune-microenvironment, microbiome, sublethal cell death engagement, or the nervous system will be integrated into the existing working model of metastasis.
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Affiliation(s)
- Sameer Ullah Khan
- The University of Texas MD Anderson Cancer Center, Division of Genitourinary Medical Oncology, Holcombe Blvd, Houston, TX 77030, USA; Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Jammu and Kashmir, India
| | - Kaneez Fatima
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Jammu and Kashmir, India; Academy of Scientific and Innovative Research (ASIR), Ghaziabad 201002, India
| | - Fayaz Malik
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Jammu and Kashmir, India; Academy of Scientific and Innovative Research (ASIR), Ghaziabad 201002, India.
| | - Halime Kalkavan
- Department of Medical Oncology, West German Cancer Center, University Hospital Essen, Essen, Germany; German Cancer Consortium (DKTK), Partner Site University Hospital Essen, Essen, Germany.
| | - Abubakar Wani
- St. Jude Children's Research Hospital, 262 Danny Thomas Pl, Memphis, TN 38105, United States.
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3
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Gu Y, Dong B, He X, Qiu Z, Zhang J, Zhang M, Liu H, Pang X, Cui Y. The challenges and opportunities of αvβ3-based therapeutics in cancer: From bench to clinical trials. Pharmacol Res 2023; 189:106694. [PMID: 36775082 DOI: 10.1016/j.phrs.2023.106694] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/04/2023] [Accepted: 02/09/2023] [Indexed: 02/12/2023]
Abstract
Integrins are main cell adhesion receptors serving as linker attaching cells to extracellular matrix (ECM) and bidirectional hubs transmitting biochemical and mechanical signals between cells and their environment. Integrin αvβ3 is a critical family member of integrins and interacts with ECM proteins containing RGD tripeptide sequence. Accumulating evidence indicated that the abnormal expression of integrin αvβ3 was associated with various tumor progressions, including tumor initiation, sustained tumor growth, distant metastasis, drug resistance development, maintenance of stemness in cancer cells. Therefore, αvβ3 has been explored as a therapeutic target in various types of cancers, but there is no αvβ3 antagonist approved for human therapy. Targeting-integrin αvβ3 therapeutics has been a challenge, but lessons from the past are valuable to the development of innovative targeting approaches. This review systematically summarized the structure, signal transduction, regulatory role in cancer, and drug development history of integrin αvβ3, and also provided new insights into αvβ3-based therapeutics in cancer from bench to clinical trials, which would contribute to developing effective targeting αvβ3 agents for cancer treatment.
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Affiliation(s)
- Yanlun Gu
- Department of Pharmacy, Peking University First Hospital, Xishiku Street, Xicheng District, 100034 Beijing, China; Institute of Clinical Pharmacology, Peking University First Hospital, Xueyuan Road 38, Haidian District, 100191 Beijing, China; Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Sciences, Peking University, Xueyuan Road 38, Haidian District, 100191 Beijing, China
| | - Bingqi Dong
- Department of General Surgery, Peking University First Hospital, Xishiku street, Xicheng District, 100034 Beijing, China
| | - Xu He
- Department of Pharmacy, Peking University First Hospital, Xishiku Street, Xicheng District, 100034 Beijing, China; Institute of Clinical Pharmacology, Peking University First Hospital, Xueyuan Road 38, Haidian District, 100191 Beijing, China
| | - Zhiwei Qiu
- Department of Pharmacy, Peking University First Hospital, Xishiku Street, Xicheng District, 100034 Beijing, China; Institute of Clinical Pharmacology, Peking University First Hospital, Xueyuan Road 38, Haidian District, 100191 Beijing, China
| | - Juqi Zhang
- Department of Pharmacy, Peking University First Hospital, Xishiku Street, Xicheng District, 100034 Beijing, China; Institute of Clinical Pharmacology, Peking University First Hospital, Xueyuan Road 38, Haidian District, 100191 Beijing, China
| | - Mo Zhang
- Department of traditional Chinese and Western medicine,Peking University Of First Hospital, Xishiku street 8th,Xicheng District,10034 Beijing, China
| | - Haitao Liu
- Institute of Clinical Pharmacology, Peking University First Hospital, Xueyuan Road 38, Haidian District, 100191 Beijing, China
| | - Xiaocong Pang
- Department of Pharmacy, Peking University First Hospital, Xishiku Street, Xicheng District, 100034 Beijing, China; Institute of Clinical Pharmacology, Peking University First Hospital, Xueyuan Road 38, Haidian District, 100191 Beijing, China.
| | - Yimin Cui
- Department of Pharmacy, Peking University First Hospital, Xishiku Street, Xicheng District, 100034 Beijing, China; Institute of Clinical Pharmacology, Peking University First Hospital, Xueyuan Road 38, Haidian District, 100191 Beijing, China; Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Sciences, Peking University, Xueyuan Road 38, Haidian District, 100191 Beijing, China.
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Tumor Cell Capture Using Platelet-Based and Platelet-Mimicking Modified Human Serum Albumin Submicron Particles. Int J Mol Sci 2022; 23:ijms232214277. [PMID: 36430755 PMCID: PMC9694380 DOI: 10.3390/ijms232214277] [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: 10/11/2022] [Revised: 11/09/2022] [Accepted: 11/14/2022] [Indexed: 11/19/2022] Open
Abstract
The co-localization of platelets and tumor cells in hematogenous metastases has long been recognized. Interactions between platelets and circulating tumor cells (CTCs) contribute to tumor cell survival and migration via the vasculature into other tissues. Taking advantage of the interactions between platelets and tumor cells, two schemes, direct and indirect, were proposed to target the modified human serum albumin submicron particles (HSA-MPs) towards tumor cells. HSA-MPs were constructed by the Co-precipitation-Crosslinking-Dissolution (CCD) method. The anti-CD41 antibody or CD62P protein was linked to the HSA-MPs separately via 1-ethyl-3-(-3-dimethyl aminopropyl) carbodiimide hydrochloride (EDC) and N-hydroxysuccinimide (NHS) EDC/NHS chemistry. The size of modified HSA-MPs was measured at approximately 1 µm, and the zeta potential was around -24 mV. Anti-CD41-HSA-MPs adhered to platelets as shown by flowcytometry and confocal laser scanning microscopy. In vitro, we confirmed the adhesion of platelets to tumor lung carcinoma cells A549 under shearing conditions. Higher cellular uptake of anti-CD41-HSA-MPs in A549 cells was found in the presence of activated platelets, suggesting that activated platelets can mediate the uptake of these particles. RNA-seq data in the Cancer Cell Lineage Encyclopedia (CCLE) and The Cancer Genome Atlas (TCGA) database showed the expression of CD62P ligands in different types of cancers. Compared to the non-targeted system, CD62P-HSA-MPs were found to have higher cellular uptake in A549 cells. Our results suggest that the platelet-based and platelet-mimicking modified HSA-MPs could be promising options for tracking metastatic cancer.
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Wang JW, Wang HL, Liu Q, Hu K, Yuan Q, Huang SK, Wan JH. L1CAM expression in either metastatic brain lesion or peripheral blood is correlated with peripheral platelet count in patients with brain metastases from lung cancer. Front Oncol 2022; 12:990762. [DOI: 10.3389/fonc.2022.990762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 10/06/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundSystemic immune-inflammation states across the heterogeneous population of brain metastases from lung cancer are very important, especially in the context of complex brain-immune bidirectional communication. Previous studies from our team and others have shown that the L1 cell adhesion molecule (L1CAM) is deeply involved in the aggressive phenotype, immunosuppressive tumor microenvironment (TME), and metastasis during multiple malignancies, which may lead to an unfavorable outcome. However, little is known about the relationship between the L1CAM expression and the systemic immune-inflammation macroenvironment beyond the TME in brain metastases from lung cancer.MethodsTwo cohorts of patients with brain metastases from lung cancer admitted to the National Cancer Center, Cancer Hospital of Chinese Academy of Medical Sciences, were studied in the present research. The L1CAM expression in cranial metastatic lesions by immunohistochemistry was explored in patients treated with neurosurgical resection, whereas the L1CAM expression in peripheral blood by ELISA was tested in patients treated with non-surgical antitumor management. Furthermore, based on peripheral blood cell counts in the CBC test, six systemic immune-inflammation biomarkers [neutrophil count, lymphocyte count, platelet count, systemic immune-inflammation index (SII), neutrophil-to-lymphocyte ratio (NLR), and platelet-to-lymphocyte ratio] were calculated. Then, the relationship between the L1CAM expression and these systemic immune-inflammation biomarkers was analyzed. In addition, these systemic immune-inflammation biomarkers were also used to compare the systemic immune-inflammation states in two cohorts of patients with brain metastases from lung cancer.ResultsPositive L1CAM expressions in the metastatic brain lesions were accompanied with significantly increased peripheral platelet counts in patients treated with neurosurgical tumor resection (P < 0.05). Similarly, in patients treated with non-surgical antitumor management, L1CAM expressions in the peripheral blood were positively correlated with peripheral platelet counts (P < 0.05). In addition, patients prepared for neurosurgical tumor resection were presented with poorer systemic immune-inflammation states in comparison with the one with non-surgical antitumor management, which was characterized by a significant increase in peripheral neutrophil counts (P < 0.01), SII (P < 0.05), and NLR (P < 0.05) levels.ConclusionThe L1CAM expression in either the metastatic brain lesion or peripheral blood is positively correlated with the peripheral platelet count in patients with brain metastases from lung cancer. In addition, brain metastases that are prepared for neurosurgical tumor resection show poor systemic immune-inflammation states.
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Xie X, Li Y, Lian S, Lu Y, Jia L. Cancer metastasis chemoprevention prevents circulating tumour cells from germination. Signal Transduct Target Ther 2022; 7:341. [PMID: 36184654 PMCID: PMC9526788 DOI: 10.1038/s41392-022-01174-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 04/19/2022] [Accepted: 08/31/2022] [Indexed: 11/09/2022] Open
Abstract
The war against cancer traces back to the signature event half-a-century ago when the US National Cancer Act was signed into law. The cancer crusade costs trillions with disappointing returns, teasing the possibility of a new breakthrough. Cure for cancer post-metastases still seems tantalisingly out of reach. Once metastasized, cancer-related death is extremely difficult, if not impossible, to be reversed. Here we present cancer pre-metastasis chemoprevention strategy that can prevent circulating tumour cells (CTCs) from initiating metastases safely and effectively, and is disparate from the traditional cancer chemotherapy and cancer chemoprevention. Deep learning of the biology of CTCs and their disseminating organotropism, complexity of their adhesion to endothelial niche reveals that if the adhesion of CTCs to their metastasis niche (the first and the most important part in cancer metastatic cascade) can be pharmaceutically interrupted, the lethal metastatic cascade could be prevented from getting initiated. We analyse the key inflammatory and adhesive factors contributing to CTC adhesion/germination, provide pharmacological fundamentals for abortifacients to intervene CTC adhesion to the distant metastasis sites. The adhesion/inhibition ratio (AIR) is defined for selecting the best cancer metastasis chemopreventive candidates. The successful development of such new therapeutic modalities for cancer metastasis chemoprevention has great potential to revolutionise the current ineffective post-metastasis treatments.
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Affiliation(s)
- Xiaodong Xie
- College of Materials and Chemical Engineering, Minjiang University, Fuzhou, Fujian, 350108, China
| | - Yumei Li
- School of Basic Medicine, Gannan Medical University, Ganzhou, Jiangxi, 341000, China
| | - Shu Lian
- College of Materials and Chemical Engineering, Minjiang University, Fuzhou, Fujian, 350108, China
| | - Yusheng Lu
- College of Materials and Chemical Engineering, Minjiang University, Fuzhou, Fujian, 350108, China
| | - Lee Jia
- College of Materials and Chemical Engineering, Minjiang University, Fuzhou, Fujian, 350108, China. .,Cancer Metastasis Alert and Prevention Center, College of Chemistry, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, Fuzhou University, Fuzhou, Fujian, 350116, China.
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Chen Q, Zou J, He Y, Pan Y, Yang G, Zhao H, Huang Y, Zhao Y, Wang A, Chen W, Lu Y. A narrative review of circulating tumor cells clusters: A key morphology of cancer cells in circulation promote hematogenous metastasis. Front Oncol 2022; 12:944487. [PMID: 36059616 PMCID: PMC9434215 DOI: 10.3389/fonc.2022.944487] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 07/18/2022] [Indexed: 11/28/2022] Open
Abstract
Circulating tumor cells (CTCs) that survive in the blood are playing an important role in the metastasis process of tumor. In addition, they have become a tool for tumor diagnosis, prognosis and recurrence monitoring. CTCs can exist in the blood as individual cells or as clumps of aggregated cells. In recent years, more and more studies have shown that clustered CTCs have stronger metastasis ability compared to single CTCs. With the deepening of studies, scholars have found that cancer cells can combine not only with each other, but also with non-tumor cells present in the blood, such as neutrophils, platelets, etc. At the same time, it was confirmed that non-tumor cells bound to CTCs maintain the survival and proliferation of cancer cells through a variety of ways, thus promoting the occurrence and development of tumor. In this review, we collected information on tumorigenesis induced by CTC clusters to make a summary and a discussion about them. Although CTC clusters have recently been considered as a key role in the transition process, many characteristics of them remain to be deeply explored. A detailed understanding of their vulnerability can prospectively pave the way for new inhibitors for metastasis.
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Affiliation(s)
- Qiong Chen
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jueyao Zou
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yong He
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yanhong Pan
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Department of Pharmacy, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Gejun Yang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Han Zhao
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Ying Huang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yang Zhao
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine (TCM) Prevention and Treatment of Tumor, Nanjing, China
| | - Aiyun Wang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine (TCM) Prevention and Treatment of Tumor, Nanjing, China
| | - Wenxing Chen
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine (TCM) Prevention and Treatment of Tumor, Nanjing, China
- *Correspondence: Wenxing Chen, ; Yin Lu,
| | - Yin Lu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine (TCM) Prevention and Treatment of Tumor, Nanjing, China
- *Correspondence: Wenxing Chen, ; Yin Lu,
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Strasenburg W, Jóźwicki J, Durślewicz J, Kuffel B, Kulczyk MP, Kowalewski A, Grzanka D, Drewa T, Adamowicz J. Tumor Cell-Induced Platelet Aggregation as an Emerging Therapeutic Target for Cancer Therapy. Front Oncol 2022; 12:909767. [PMID: 35814405 PMCID: PMC9259835 DOI: 10.3389/fonc.2022.909767] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 05/16/2022] [Indexed: 11/13/2022] Open
Abstract
Tumor cells have the ability to induce platelet activation and aggregation. This has been documented to be involved in tumor progression in several types of cancers, such as lung, colon, breast, pancreatic, ovarian, and brain. During the process, platelets protect circulating tumor cells from the deleterious effects of shear forces, shield tumor cells from the immune system, and provide growth factors, facilitating metastatic spread and tumor growth at the original site as well as at the site of metastasis. Herein, we present a wider view on the induction of platelet aggregation by specific factors primarily developed by cancer, including coagulation factors, adhesion receptors, growth factors, cysteine proteases, matrix metalloproteinases, glycoproteins, soluble mediators, and selectins. These factors may be presented on the surface of tumor cells as well as in their microenvironment, and some may trigger more than just one simple receptor–ligand mechanism. For a better understanding, we briefly discuss the physiological role of the factors in the platelet activation process, and subsequently, we provide scientific evidence and discuss their potential role in the progression of specific cancers. Targeting tumor cell-induced platelet aggregation (TCIPA) by antiplatelet drugs may open ways to develop new treatment modalities. On the one hand, it may affect patients’ prognosis by enhancing known therapies in advanced-stage tumors. On the other hand, the use of drugs that are mostly easily accessible and widely used in general practice may be an opportunity to propose an unparalleled antitumor prophylaxis. In this review, we present the recent discoveries of mechanisms by which cancer cells activate platelets, and discuss new platelet-targeted therapeutic strategies.
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Affiliation(s)
- Wiktoria Strasenburg
- Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
- *Correspondence: Wiktoria Strasenburg,
| | - Jakub Jóźwicki
- Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
| | - Justyna Durślewicz
- Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
| | - Błażej Kuffel
- Department of General and Oncological Urology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Toruń, Poland
| | - Martyna Parol Kulczyk
- Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
| | - Adam Kowalewski
- Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
| | - Dariusz Grzanka
- Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
| | - Tomasz Drewa
- Department of General and Oncological Urology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Toruń, Poland
| | - Jan Adamowicz
- Department of General and Oncological Urology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Toruń, Poland
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Dzobo K. Integrins Within the Tumor Microenvironment: Biological Functions, Importance for Molecular Targeting, and Cancer Therapeutics Innovation. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2021; 25:417-430. [PMID: 34191612 DOI: 10.1089/omi.2021.0069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Many cellular functions important for solid tumor initiation and progression are mediated by members of the integrin family, a diverse family of cell attachment receptors. With recent studies emphasizing the role of the tumor microenvironment (TME) in tumor initiation and progression, it is not surprising that considerable attention is being paid to integrins. Several integrin antagonists are under clinical trials, with many demonstrating promising activity in patients with different cancers. A deeper knowledge of the functions of integrins within the TME is still required and might lead to better inhibitors being discovered. Integrin expression is commonly dysregulated in many tumors with integrins playing key roles in signaling as well as promotion of tumor cell invasion and migration. Integrins also play a major role in adhesion of circulating tumor cells to new sites and the resulting formation of secondary tumors. Furthermore, integrins have demonstrated the ability to promoting stem cell-like properties in tumor cells as well as drug resistance. Anti-integrin therapies rely heavily on the doses or concentrations used as these determine whether the drugs act as antagonists or as integrin agonists. This expert review offers the latest synthesis in terms of the current knowledge of integrins functions within the TME and as potential molecular targets for cancer therapeutics innovation.
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Affiliation(s)
- Kevin Dzobo
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Cape Town, South Africa.,Division of Medical Biochemistry and Institute of Infectious Disease and Molecular Medicine, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
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10
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Vasilaki D, Bakopoulou A, Tsouknidas A, Johnstone E, Michalakis K. Biophysical interactions between components of the tumor microenvironment promote metastasis. Biophys Rev 2021; 13:339-357. [PMID: 34168685 PMCID: PMC8214652 DOI: 10.1007/s12551-021-00811-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Accepted: 05/03/2021] [Indexed: 02/07/2023] Open
Abstract
During metastasis, tumor cells need to adapt to their dynamic microenvironment and modify their mechanical properties in response to both chemical and mechanical stimulation. Physical interactions occur between cancer cells and the surrounding matrix including cell movements and cell shape alterations through the process of mechanotransduction. The latter describes the translation of external mechanical cues into intracellular biochemical signaling. Reorganization of both the cytoskeleton and the extracellular matrix (ECM) plays a critical role in these spreading steps. Migrating tumor cells show increased motility in order to cross the tumor microenvironment, migrate through ECM and reach the bloodstream to the metastatic site. There are specific factors affecting these processes, as well as the survival of circulating tumor cells (CTC) in the blood flow until they finally invade the secondary tissue to form metastasis. This review aims to study the mechanisms of metastasis from a biomechanical perspective and investigate cell migration, with a focus on the alterations in the cytoskeleton through this journey and the effect of biologic fluids on metastasis. Understanding of the biophysical mechanisms that promote tumor metastasis may contribute successful therapeutic approaches in the fight against cancer.
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Affiliation(s)
- Dimitra Vasilaki
- Department of Prosthodontics, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
| | - Athina Bakopoulou
- Department of Prosthodontics, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
| | - Alexandros Tsouknidas
- Laboratory for Biomaterials and Computational Mechanics, Department of Mechanical Engineering, University of Western Macedonia, Kozani, Greece
| | | | - Konstantinos Michalakis
- Department of Prosthodontics, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
- Division of Graduate Prosthodontics, Tufts University School of Dental Medicine, Boston, MA USA
- University of Oxford, Oxford, UK
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Abstract
Platelets have been hypothesized to promote certain neoplastic malignancies; however, antiplatelet drugs are still not part of routine pharmacological cancer prevention and treatment protocols. Paracrine interactions between platelets and cancer cells have been implicated in potentiating the dissemination, survival within the circulation, and extravasation of cancer cells at distant sites of metastasis. Signals from platelets have also been suggested to confer epigenetic alterations, including upregulating oncoproteins in circulating tumor cells, and secretion of potent growth factors may play roles in promoting mitogenesis, angiogenesis, and metastatic outgrowth. Thrombocytosis remains a marker of poor prognosis in patients with solid tumors. Experimental data suggest that lowering of platelet count may reduce tumor growth and metastasis. On the basis of the mechanisms by which platelets could contribute to cancer growth and metastasis, it is conceivable that drugs reducing platelet count or platelet activation might attenuate cancer progression and improve outcomes. We will review select pharmacological approaches that inhibit platelets and may affect cancer development and propagation. We begin by presenting an overview of clinical cancer prevention and outcome studies with low-dose aspirin. We then review current nonclinical development of drugs targeted to platelet binding, activation, and count as potential mitigating agents in cancer.
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12
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Understanding the role of integrins in breast cancer invasion, metastasis, angiogenesis, and drug resistance. Oncogene 2021; 40:1043-1063. [PMID: 33420366 DOI: 10.1038/s41388-020-01588-2] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 11/11/2020] [Accepted: 11/26/2020] [Indexed: 12/13/2022]
Abstract
Integrins are cell adhesion receptors, which are typically transmembrane glycoproteins that connect to the extracellular matrix (ECM). The function of integrins regulated by biochemical events within the cells. Understanding the mechanisms of cell growth by integrins is important in elucidating their effects on tumor progression. One of the major events in integrin signaling is integrin binding to extracellular ligands. Another event is distant signaling that gathers chemical signals from outside of the cell and transmit the signals upon cell adhesion to the inside of the cell. In normal breast tissue, integrins function as checkpoints to monitor effects on cell proliferation, while in cancer tissue these functions altered. The combination of tumor microenvironment and its associated components determines the cell fate. Hypoxia can increase the expression of several integrins. The exosomal integrins promote the growth of metastatic cells. Expression of certain integrins is associated with increased metastasis and decreased prognosis in cancers. In addition, integrin-binding proteins promote invasion and metastasis in breast cancer. Targeting specific integrins and integrin-binding proteins may provide new therapeutic approaches for breast cancer therapies. This review will examine the current knowledge of integrins' role in breast cancer.
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Multifaceted Functions of Platelets in Cancer: From Tumorigenesis to Liquid Biopsy Tool and Drug Delivery System. Int J Mol Sci 2020; 21:ijms21249585. [PMID: 33339204 PMCID: PMC7765591 DOI: 10.3390/ijms21249585] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/11/2020] [Accepted: 12/14/2020] [Indexed: 12/13/2022] Open
Abstract
Platelets contribute to several types of cancer through plenty of mechanisms. Upon activation, platelets release many molecules, including growth and angiogenic factors, lipids, and extracellular vesicles, and activate numerous cell types, including vascular and immune cells, fibroblasts, and cancer cells. Hence, platelets are a crucial component of cell-cell communication. In particular, their interaction with cancer cells can enhance their malignancy and facilitate the invasion and colonization of distant organs. These findings suggest the use of antiplatelet agents to restrain cancer development and progression. Another peculiarity of platelets is their capability to uptake proteins and transcripts from the circulation. Thus, cancer-patient platelets show specific proteomic and transcriptomic expression patterns, a phenomenon called tumor-educated platelets (TEP). The transcriptomic/proteomic profile of platelets can provide information for the early detection of cancer and disease monitoring. Platelet ability to interact with tumor cells and transfer their molecular cargo has been exploited to design platelet-mediated drug delivery systems to enhance the efficacy and reduce toxicity often associated with traditional chemotherapy. Platelets are extraordinary cells with many functions whose exploitation will improve cancer diagnosis and treatment.
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14
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Lucotti S, Muschel RJ. Platelets and Metastasis: New Implications of an Old Interplay. Front Oncol 2020; 10:1350. [PMID: 33042789 PMCID: PMC7530207 DOI: 10.3389/fonc.2020.01350] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 06/26/2020] [Indexed: 12/17/2022] Open
Abstract
During the process of hematogenous metastasis, tumor cells interact with platelets and their precursors megakaryocytes, providing a selection driver for the metastatic phenotype. Cancer cells have evolved a plethora of mechanisms to engage platelet activation and aggregation. Platelet coating of tumor cells in the blood stream promotes the successful completion of multiple steps of the metastatic cascade. Along the same lines, clinical evidence suggests that anti-coagulant therapy might be associated with reduced risk of metastatic disease and better prognosis in cancer patients. Here, we review experimental and clinical literature concerning the contribution of platelets and megakaryocytes to cancer metastasis and provide insights into the clinical relevance of anti-coagulant therapy in cancer treatment.
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Affiliation(s)
- Serena Lucotti
- Children's Cancer and Blood Foundation Laboratories, Departments of Pediatrics, and Cell and Developmental Biology, Drukier Institute for Children's Health, Meyer Cancer Center, Weill Cornell Medicine, New York, NY, United States
| | - Ruth J Muschel
- Cancer Research UK and MRC Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, Oxford, United Kingdom
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15
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Meikle CK, Meisler AJ, Bird CM, Jeffries JA, Azeem N, Garg P, Crawford EL, Kelly CA, Gao TZ, Wuescher LM, Willey JC, Worth RG. Platelet-T cell aggregates in lung cancer patients: Implications for thrombosis. PLoS One 2020; 15:e0236966. [PMID: 32776968 PMCID: PMC7416940 DOI: 10.1371/journal.pone.0236966] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 07/16/2020] [Indexed: 02/07/2023] Open
Abstract
Platelet-leukocyte aggregates (PLAs) are associated with increased thrombosis risk. The influence of PLA formation is especially important for cancer patients, since thrombosis accounts for approximately 10% of cancer-associated deaths. Our objective was to characterize and quantify PLAs in whole blood samples from lung cancer patients compared to healthy volunteers with the intent to analyze PLA formation in the context of lung cancer-associated thrombosis. Consenting lung cancer patients (57) and healthy volunteers (56) were enrolled at the Dana Cancer Center at the University of Toledo Health Science Campus. Peripheral blood samples were analyzed by flow cytometry. Patient medical history was reviewed through electronic medical records. Most importantly, we found lung cancer patients to have higher percentages of platelet-T cell aggregates (PTCAs) than healthy volunteers among both CD4+ T lymphocyte and CD8+ T lymphocyte populations. Our findings demonstrate that characterization of PTCAs may have clinical utility in differentiating lung cancer patients from healthy volunteers and stratifying lung cancer patients by history of thrombosis.
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Affiliation(s)
- Claire K. Meikle
- Department of Medical Microbiology & Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States of America
| | - Adam J. Meisler
- Department of Medical Microbiology & Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States of America
| | - Cara M. Bird
- Department of Medical Microbiology & Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States of America
| | - Joseph A. Jeffries
- Department of Medical Microbiology & Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States of America
| | - Nabila Azeem
- Department of Medical Microbiology & Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States of America
| | - Priyanka Garg
- Department of Medical Microbiology & Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States of America
| | - Erin L. Crawford
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States of America
| | - Clare A. Kelly
- Department of Medical Microbiology & Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States of America
| | - Tess Z. Gao
- Department of Medical Microbiology & Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States of America
| | - Leah M. Wuescher
- Department of Medical Microbiology & Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States of America
| | - James C. Willey
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States of America
| | - Randall G. Worth
- Department of Medical Microbiology & Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States of America
- * E-mail:
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16
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Zhang Y, Cedervall J, Hamidi A, Herre M, Viitaniemi K, D'Amico G, Miao Z, Unnithan RVM, Vaccaro A, van Hooren L, Georganaki M, Thulin Å, Qiao Q, Andrae J, Siegbahn A, Heldin CH, Alitalo K, Betsholtz C, Dimberg A, Olsson AK. Platelet-Specific PDGFB Ablation Impairs Tumor Vessel Integrity and Promotes Metastasis. Cancer Res 2020; 80:3345-3358. [PMID: 32586981 DOI: 10.1158/0008-5472.can-19-3533] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 04/24/2020] [Accepted: 06/17/2020] [Indexed: 11/16/2022]
Abstract
Platelet-derived growth factor B (PDGFB) plays a crucial role in recruitment of PDGF receptor β-positive pericytes to blood vessels. The endothelium is an essential source of PDGFB in this process. Platelets constitute a major reservoir of PDGFB and are continuously activated in the tumor microenvironment, exposing tumors to the plethora of growth factors contained in platelet granules. Here, we show that tumor vascular function, as well as pericyte coverage is significantly impaired in mice with conditional knockout of PDGFB in platelets. A lack of PDGFB in platelets led to enhanced hypoxia and epithelial-to-mesenchymal transition in the primary tumors, elevated levels of circulating tumor cells, and increased spontaneous metastasis to the liver or lungs in two mouse models. These findings establish a previously unknown role for platelet-derived PDGFB, whereby it promotes and maintains vascular integrity in the tumor microenvironment by contributing to the recruitment of pericytes. SIGNIFICANCE: Conditional knockout of PDGFB in platelets demonstrates its previously unknown role in the maintenance of tumor vascular integrity and host protection against metastasis.
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Affiliation(s)
- Yanyu Zhang
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, Biomedical Center, Uppsala, Sweden
| | - Jessica Cedervall
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, Biomedical Center, Uppsala, Sweden
| | - Anahita Hamidi
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, Biomedical Center, Uppsala, Sweden
| | - Melanie Herre
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, Biomedical Center, Uppsala, Sweden
| | - Kati Viitaniemi
- Wihuri Research Institute and Translational Cancer Medicine Research Program, Biomedicum Helsinki, 00014 University of Helsinki, Yliopistonkatu, Helsinki, Finland
| | - Gabriela D'Amico
- Wihuri Research Institute and Translational Cancer Medicine Research Program, Biomedicum Helsinki, 00014 University of Helsinki, Yliopistonkatu, Helsinki, Finland
| | - Zuoxiu Miao
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, Biomedical Center, Uppsala, Sweden
| | - Ragaseema Valsala Madhavan Unnithan
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, Biomedical Center, Uppsala, Sweden.,Department of Biotechnology, Govt. Arts College, Thiruvananthapuram, India
| | - Alessandra Vaccaro
- Department of Immunology, Genetics and Pathology, Uppsala University, Rudbeck Laboratory, Uppsala, Sweden
| | - Luuk van Hooren
- Department of Immunology, Genetics and Pathology, Uppsala University, Rudbeck Laboratory, Uppsala, Sweden
| | - Maria Georganaki
- Department of Immunology, Genetics and Pathology, Uppsala University, Rudbeck Laboratory, Uppsala, Sweden
| | - Åsa Thulin
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - Qi Qiao
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, Biomedical Center, Uppsala, Sweden
| | - Johanna Andrae
- Department of Immunology, Genetics and Pathology, Uppsala University, Rudbeck Laboratory, Uppsala, Sweden
| | - Agneta Siegbahn
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - Carl-Henrik Heldin
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, Biomedical Center, Uppsala, Sweden
| | - Kari Alitalo
- Wihuri Research Institute and Translational Cancer Medicine Research Program, Biomedicum Helsinki, 00014 University of Helsinki, Yliopistonkatu, Helsinki, Finland
| | - Christer Betsholtz
- Department of Immunology, Genetics and Pathology, Uppsala University, Rudbeck Laboratory, Uppsala, Sweden.,ICMC (Integrated Cardio Metabolic Centre), Karolinska Institutet, Novum, Blickagången 6, Huddinge, Sweden
| | - Anna Dimberg
- Department of Immunology, Genetics and Pathology, Uppsala University, Rudbeck Laboratory, Uppsala, Sweden
| | - Anna-Karin Olsson
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, Biomedical Center, Uppsala, Sweden.
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17
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Galardi A, Colletti M, Lavarello C, Di Paolo V, Mascio P, Russo I, Cozza R, Romanzo A, Valente P, De Vito R, Pascucci L, Peinado H, Carcaboso AM, Petretto A, Locatelli F, Di Giannatale A. Proteomic Profiling of Retinoblastoma-Derived Exosomes Reveals Potential Biomarkers of Vitreous Seeding. Cancers (Basel) 2020; 12:cancers12061555. [PMID: 32545553 PMCID: PMC7352325 DOI: 10.3390/cancers12061555] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 06/04/2020] [Accepted: 06/07/2020] [Indexed: 12/13/2022] Open
Abstract
Retinoblastoma (RB) is the most common tumor of the eye in early childhood. Although recent advances in conservative treatment have greatly improved the visual outcome, local tumor control remains difficult in the presence of massive vitreous seeding. Traditional biopsy has long been considered unsafe in RB, due to the risk of extraocular spread. Thus, the identification of new biomarkers is crucial to design safer diagnostic and more effective therapeutic approaches. Exosomes, membrane-derived nanovesicles that are secreted abundantly by aggressive tumor cells and that can be isolated from several biological fluids, represent an interesting alternative for the detection of tumor-associated biomarkers. In this study, we defined the protein signature of exosomes released by RB tumors (RBT) and vitreous seeding (RBVS) primary cell lines by high resolution mass spectrometry. A total of 5666 proteins were identified. Among these, 5223 and 3637 were expressed in exosomes RBT and one RBVS group, respectively. Gene enrichment analysis of exclusively and differentially expressed proteins and network analysis identified in RBVS exosomes upregulated proteins specifically related to invasion and metastasis, such as proteins involved in extracellular matrix (ECM) remodeling and interaction, resistance to anoikis and the metabolism/catabolism of glucose and amino acids.
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Affiliation(s)
- Angela Galardi
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (A.G.); (V.D.P.); (P.M.); (I.R.); (R.C.); (F.L.); (A.D.G.)
| | - Marta Colletti
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (A.G.); (V.D.P.); (P.M.); (I.R.); (R.C.); (F.L.); (A.D.G.)
- Correspondence: ; Tel.: +39-066859-3516
| | - Chiara Lavarello
- Core Facilities-Clinical Proteomics and Metabolomics, IRCCS, Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147 Genoa, Italy; (C.L.); (A.P.)
| | - Virginia Di Paolo
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (A.G.); (V.D.P.); (P.M.); (I.R.); (R.C.); (F.L.); (A.D.G.)
| | - Paolo Mascio
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (A.G.); (V.D.P.); (P.M.); (I.R.); (R.C.); (F.L.); (A.D.G.)
| | - Ida Russo
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (A.G.); (V.D.P.); (P.M.); (I.R.); (R.C.); (F.L.); (A.D.G.)
| | - Raffaele Cozza
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (A.G.); (V.D.P.); (P.M.); (I.R.); (R.C.); (F.L.); (A.D.G.)
| | - Antonino Romanzo
- Ophtalmology Unit, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’ Onofrio 4, 00165 Rome, Italy; (A.R.); (P.V.)
| | - Paola Valente
- Ophtalmology Unit, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’ Onofrio 4, 00165 Rome, Italy; (A.R.); (P.V.)
| | - Rita De Vito
- Department of Pathology, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza di Sant’ Onofrio 4, 00165 Rome, Italy;
| | - Luisa Pascucci
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, Italy;
| | - Hector Peinado
- Microenvironment & Metastasis Group, Molecular Oncology Program, Spanish National Cancer Research Centre (CNIO), C/Melchor Fernández Almagro 3, 28029 Madrid, Spain;
| | - Angel M. Carcaboso
- Pediatric Hematology and Oncology, Hospital Sant Joan de Deu, Institut de Recerca Sant Joan de Deu, Barcelona, 08950 Esplugues de Llobregat, Spain;
| | - Andrea Petretto
- Core Facilities-Clinical Proteomics and Metabolomics, IRCCS, Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147 Genoa, Italy; (C.L.); (A.P.)
| | - Franco Locatelli
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (A.G.); (V.D.P.); (P.M.); (I.R.); (R.C.); (F.L.); (A.D.G.)
- Department of Ginecology/Obstetrics & Pediatrics, Sapienza University of Rome, 00185 Roma, Italy
| | - Angela Di Giannatale
- Department of Pediatric Hematology/Oncology and Cell and Gene Therapy, IRCCS, Ospedale Pediatrico Bambino Gesù, Piazza Sant’Onofrio 4, 00165 Rome, Italy; (A.G.); (V.D.P.); (P.M.); (I.R.); (R.C.); (F.L.); (A.D.G.)
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18
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Yongabi D, Khorshid M, Gennaro A, Jooken S, Duwé S, Deschaume O, Losada-Pérez P, Dedecker P, Bartic C, Wübbenhorst M, Wagner P. QCM-D Study of Time-Resolved Cell Adhesion and Detachment: Effect of Surface Free Energy on Eukaryotes and Prokaryotes. ACS APPLIED MATERIALS & INTERFACES 2020; 12:18258-18272. [PMID: 32223273 DOI: 10.1021/acsami.0c00353] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Cell-material interactions are crucial for many biomedical applications, including medical implants, tissue engineering, and biosensors. For implants, while the adhesion of eukaryotic host cells is desirable, bacterial adhesion often leads to infections. Surface free energy (SFE) is an important parameter that controls short- and long-term eukaryotic and prokaryotic cell adhesion. Understanding its effect at a fundamental level is essential for designing materials that minimize bacterial adhesion. Most cell adhesion studies for implants have focused on correlating surface wettability with mammalian cell adhesion and are restricted to short-term time scales. In this work, we used quartz crystal microbalance with dissipation monitoring (QCM-D) and electrical impedance analysis to characterize the adhesion and detachment of S. cerevisiae and E. coli, serving as model eukaryotic and prokaryotic cells within extended time scales. Measurements were performed on surfaces displaying different surface energies (Au, SiO2, and silanized SiO2). Our results demonstrate that tuning the surface free energy of materials is a useful strategy for selectively promoting eukaryotic cell adhesion and preventing bacterial adhesion. Specifically, we show that under flow and steady-state conditions and within time scales up to ∼10 h, a high SFE, especially its polar component, enhances S. cerevisiae adhesion and hinders E. coli adhesion. In the long term, however, both cells tend to detach, but less detachment occurs on surfaces with a high dispersive SFE contribution. The conclusions on S. cerevisiae are also valid for a second eukaryotic cell type, being the human embryonic kidney (HEK) cells on which we performed the same analysis for comparison. Furthermore, each cell adhesion phase is associated with unique cytoskeletal viscoelastic states, which are cell-type-specific and surface free energy-dependent and provide insights into the underlying adhesion mechanisms.
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Affiliation(s)
- Derick Yongabi
- Department of Physics and Astronomy, Laboratory for Soft Matter and Biophysics, KU Leuven, Celestijnenlaan 200 D, B-3001 Leuven, Belgium
| | - Mehran Khorshid
- Department of Physics and Astronomy, Laboratory for Soft Matter and Biophysics, KU Leuven, Celestijnenlaan 200 D, B-3001 Leuven, Belgium
| | - Alessia Gennaro
- Department of Physics and Astronomy, Laboratory for Soft Matter and Biophysics, KU Leuven, Celestijnenlaan 200 D, B-3001 Leuven, Belgium
| | - Stijn Jooken
- Department of Physics and Astronomy, Laboratory for Soft Matter and Biophysics, KU Leuven, Celestijnenlaan 200 D, B-3001 Leuven, Belgium
| | - Sam Duwé
- Department of Chemistry, Laboratory for Nanobiology, KU Leuven, Celestinenlaan 200 G, B-3001, Leuven, Belgium
| | - Olivier Deschaume
- Department of Physics and Astronomy, Laboratory for Soft Matter and Biophysics, KU Leuven, Celestijnenlaan 200 D, B-3001 Leuven, Belgium
| | - Patricia Losada-Pérez
- Experimental Soft Matter and Thermal Physics Group, Université Libre de Bruxelles (ULB), Campus La Plaine, CP223, Boulevard du Triomphe, 1050 Brussels, Belgium
| | - Peter Dedecker
- Department of Chemistry, Laboratory for Nanobiology, KU Leuven, Celestinenlaan 200 G, B-3001, Leuven, Belgium
| | - Carmen Bartic
- Department of Physics and Astronomy, Laboratory for Soft Matter and Biophysics, KU Leuven, Celestijnenlaan 200 D, B-3001 Leuven, Belgium
| | - Michael Wübbenhorst
- Department of Physics and Astronomy, Laboratory for Soft Matter and Biophysics, KU Leuven, Celestijnenlaan 200 D, B-3001 Leuven, Belgium
| | - Patrick Wagner
- Department of Physics and Astronomy, Laboratory for Soft Matter and Biophysics, KU Leuven, Celestijnenlaan 200 D, B-3001 Leuven, Belgium
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19
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Abstract
Tumour vasculature supports the growth and progression of solid cancers with both angiogenesis (endothelial cell proliferation) and vasculogenic mimicry (VM, the formation of vascular structures by cancer cells themselves) predictors of poor patient outcomes. Increased circulating platelet counts also predict poor outcome for cancer patients but the influence of platelets on tumour vasculature is incompletely understood. Herein, we show with in vitro assays that platelets did not influence angiogenesis but did actively inhibit VM formation by cancer cell lines. Both platelet sized beads and the releasates from platelets were partially effective at inhibiting VM formation suggesting that direct contact maximises the effect. Platelets also promoted cancer cell invasion in vitro. B16F10 melanomas in Bcl-xPlt20/Plt20 thrombocytopenic mice showed a higher content of VM than their wildtype counterparts while angiogenesis did not differ. In a xenograft mouse model of breast cancer with low-dose aspirin to inactivate the platelets, the burden of MDA-MB-231-LM2 breast cancer cells was reduced and the gene expression profile of the cancer cells was altered; but no effect on tumour vasculature was observed. Taken together, this study provides new insights into the action of platelets on VM formation and their involvement in cancer progression.
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20
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Pantazi D, Ntemou N, Brentas A, Alivertis D, Skobridis K, Tselepis AD. Molecular Requirements for the Expression of Antiplatelet Effects by Synthetic Structural Optimized Analogues of the Anticancer Drugs Imatinib and Nilotinib. DRUG DESIGN DEVELOPMENT AND THERAPY 2019; 13:4225-4238. [PMID: 31849454 PMCID: PMC6913343 DOI: 10.2147/dddt.s211907] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 08/12/2019] [Indexed: 01/05/2023]
Abstract
Background Platelets play important roles in cancer progression and metastasis, as well as in cancer-associated thrombosis (CAT). Tyrosine kinases are implicated in several intracellular signaling pathways involved in tumor biology, thus tyrosine kinase inhibitors (TKIs) represent an important class of anticancer drugs, based on the concept of targeted therapy. Purpose The objective of this study is the design and synthesis of analogues of the TKIs imatinib and nilotinib in order to develop tyrosine kinase inhibitors, by investigating their molecular requirements, which would express antiplatelet properties. Methods Based on a recently described by us improved approach in the preparation of imatinib and/or nilotinib analogues, we designed and synthesized in five-step reaction sequences, 8 analogues of imatinib (I-IV), nilotinib (V, VI) and imatinib/nilotinib (VII, VIII). Their inhibitory effects on platelet aggregation and P-selectin membrane expression induced by arachidonic acid (AA), adenosine diphosphate (ADP) and thrombin receptor activating peptide-6 (TRAP-6), in vitro, were studied. Molecular docking studies and calculations were also performed. Results The novel analogues V-VIII were well established with the aid of spectroscopic methods. Imatinib and nilotinib inhibited AA-induced platelet aggregation, exhibiting IC50 values of 13.30 μΜ and 3.91 μΜ, respectively. Analogues I and II exhibited an improved inhibitory activity compared with imatinib. Among the nilotinib analogues, V exhibited a 9-fold higher activity than nilotinib. All compounds were less efficient in inhibiting platelet aggregation towards ADP and TRAP-6. Similar results were obtained for the membrane expression of P-selectin. Molecular docking studies showed that the improved antiplatelet activity of nilotinib analogue V is primarily attributed to the number and the strength of hydrogen bonds. Conclusion Our results show that there is considerable potential to develop synthetic analogues of imatinib and nilotinib, as TKIs with antiplatelet properties and therefore being suitable to target cancer progression and metastasis, as well as CAT by inhibiting platelet activation.
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Affiliation(s)
- Despoina Pantazi
- Department of Chemistry, Atherothrombosis Research Centre, Laboratory of Biochemistry, University of Ioannina, Ioannina 45110, Greece
| | - Nikoleta Ntemou
- Department of Chemistry, Section of Organic Chemistry and Biochemistry, University of Ioannina, Ioannina 45110, Greece
| | - Alexios Brentas
- Department of Chemistry, Section of Organic Chemistry and Biochemistry, University of Ioannina, Ioannina 45110, Greece
| | - Dimitrios Alivertis
- Department of Biological Applications and Technology, University of Ioannina, Ioannina 45110, Greece
| | - Konstantinos Skobridis
- Department of Chemistry, Section of Organic Chemistry and Biochemistry, University of Ioannina, Ioannina 45110, Greece
| | - Alexandros D Tselepis
- Department of Chemistry, Atherothrombosis Research Centre, Laboratory of Biochemistry, University of Ioannina, Ioannina 45110, Greece
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21
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Novel Aspects of Extracellular Vesicles as Mediators of Cancer-Associated Thrombosis. Cells 2019; 8:cells8070716. [PMID: 31337034 PMCID: PMC6679024 DOI: 10.3390/cells8070716] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 07/09/2019] [Accepted: 07/11/2019] [Indexed: 02/06/2023] Open
Abstract
The establishment of prothrombotic states during cancer progression is well reported but the precise mechanisms underlying this process remain elusive. A number of studies have implicated the presence of the clotting initiator protein, tissue factor (TF), in circulating tumor-derived extracellular vesicles (EVs) with thrombotic manifestations in certain cancer types. Tumor cells, as well as tumor-derived EVs, may activate and promote platelet aggregation by TF-dependent and independent pathways. Cancer cells and their secreted EVs may also facilitate the formation of neutrophil extracellular traps (NETs), which may contribute to thrombus development. Alternatively, the presence of polyphosphate (polyP) in tumor-derived EVs may promote thrombosis through a TF-independent route. We conclude that the contribution of EVs to cancer coagulopathy is quite complex, in which one or more mechanisms may take place in a certain cancer type. In this context, strategies that could attenuate the crosstalk between the proposed pro-hemostatic routes could potentially reduce cancer-associated thrombosis.
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22
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Abstract
Several pieces of evidence support the role of activated platelets in the development of the chronic inflammation-related diseases, such as atherothrombosis and cancer, mainly via the release of soluble factors and microparticles (MPs). Platelets and MPs contain a repertoire of proteins and genetic material (i.e., mRNAs and microRNAs) which may be influenced by the clinical condition of the individuals. In fact, platelets are capable of up-taking proteins and genetic material during their lifespan. Moreover, the content of platelet-derived MPs can be delivered to other cells, including stromal, immune, epithelial, and cancer cells, to change their phenotype and functions, thus contributing to cancer promotion and its metastasization. Platelets and MPs can play an indirect role in the metastatic process by helping malignant cells to escape from immunological surveillance. Furthermore, platelets and their derived MPs represent a potential source for blood biomarker development in oncology. This review provides an updated overview of the roles played by platelets and MPs in cancer and metastasis formation. The possible analysis of platelet and MP molecular signatures for the detection of cancer and monitoring of anticancer treatments is discussed. Finally, the potential use of MPs as vectors for drug delivery systems to cancer cells is put forward.
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23
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Abstract
For over 100 years, a link has been recognized between thrombosis and cancer. However, whether this was a causal or correlational relationship was debated. It is now well established that cancer and thrombosis are mechanistically related in intricate ways and can directly fuel each other. Here, we present an historical perspective of platelets and how their physiological function in hemostasis can contribute to tumor development and metastasis. This emerging field has garnered great interest as aspirin therapy has been proposed as a prevention strategy for some malignancies. We highlight the advances that have been made, presenting platelets as a key component that supports many of the hallmarks of cancer that have been described and conclude with future directions and studies that are needed to clarify the role of platelets in cancer and solidify platelet modulating therapies within oncology.
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Affiliation(s)
- Aime T Franco
- Department of Physiology & Biophysics, University of Arkansas for Medical Sciences, Slot 505, 4301 W. Markham Street, Little Rock, AR, 72205, USA.
| | - Jerry Ware
- Department of Physiology & Biophysics, University of Arkansas for Medical Sciences, Slot 505, 4301 W. Markham Street, Little Rock, AR, 72205, USA
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Abstract
Chemotherapy and hormonal therapy have significantly decreased breast cancer mortality, although with considerable side effects and financial costs. In the USA, over three million women are living after a breast cancer diagnosis and are eager for new treatments that are low in toxicity and cost. Multiple observational studies have reported improved breast cancer survival with regular aspirin use. Furthermore, pooled data from five large randomized trials of aspirin for cardiovascular disease showed that subjects on aspirin had decreased risk of cancer mortality and decreased risk of metastatic cancer. Although the potential mechanism for aspirin preventing breast cancer is not known, possible pathways may involve platelets, inflammation, cyclooxygenase (COX) 2, hormones, or PI3 kinase. This review article summarizes the current epidemiologic and clinical trial evidence as well as possible underlying mechanisms that justify current phase III randomized trials of aspirin to improve breast cancer survival.
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25
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Wang L, Ying R, Jiang H, Jin Q, Kuang J, Zhang Z, Shi Y, Cai D, Yang R. Aspirin modulates the inflammatory response in a thrombus‑stimulated LMVEC model. Int J Mol Med 2018; 41:3253-3266. [PMID: 29568915 PMCID: PMC5881641 DOI: 10.3892/ijmm.2018.3561] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 03/09/2018] [Indexed: 11/05/2022] Open
Abstract
The purpose of the present study was to examine whether aspirin interferes with the inflammatory response in a thrombus‑stimulated lung microvascular endothelial cell (LMVEC) model. The LMVECs were randomly divided into eight groups: Normal group (group N), model group (group M), model + ASP group (group M+A), model+CX3CL1‑short hairpin (sh)RNA group (group M+SH), model + CX3CL1‑overexpression vector group (group M+CX3), model + ASP + shRNA group (group M+A+SH), model + ASP + CX3CL1‑overexpression vector group (group M+A+CX3), and normal + virus control group (group N+V). The endothelial cells were cultured, and a thrombus was added to the cells. Briefly, 12 h following the precipitation of the thrombus, data from ELISA, reverse transcription‑quantitative polymerase chain reaction analysis and confocal microscopy revealed that the levels of tumor necrosis factor (TNF)‑α, interleukin (IL)‑6, CX3C chemokine ligand 1 (CX3CL1), CX3C chemokine receptor 1 (CX3CR1) and nuclear factor‑κB (NF‑κB) in group M were increased, compared with those in group N (P<0.01). These levels, with the exception of TNF‑α, were significantly lower in group M+SH, compared with those in group M (P<0.01). Furthermore, the levels of IL‑6 in groups M+A, M+CX3 and M+A+CX3 were decreased, compared with those in group M (P<0.01); the level of TNF‑α in group M+A+SH was decreased, compared with that in group M (P<0.01); the level of CX3CR1 waslower in groups M+A and M+A+SH, compared with that in group M (P<0.01), and the level of NF‑κB in group M+SH was decreased, compared with the level in group M and group M+A (P<0.05). In conclusion, the thrombus‑stimulated LMVEC model exhibited induced production of TNF‑α, IL‑6, CX3CL, CX3CR1, NF‑κB and intercellular adhesion molecule‑1. Furthermore, it was confirmed that the signaling pathways involving CX3CL1‑NF‑κB, IL‑6 and TNF‑α were partly inhibited by aspirin.
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Affiliation(s)
- Lingcong Wang
- Department of ICU, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
| | - Rongbiao Ying
- Department of Surgical Oncology, Tumor Hospital of Taizhou, Wenling, Zhejiang 317502, P.R. China
| | - Huifang Jiang
- Department of Hematology, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang 310012, P.R. China
| | - Qun Jin
- Department of Pneumology, Zhejiang University International Hospital, Shulan (Hangzhou) Hospital, Hangzhou, Zhejiang 310000, P.R. China
| | - Jing Kuang
- Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Zhirong Zhang
- Department of ICU, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
| | - Ying Shi
- Department of ICU, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
| | - Danli Cai
- Department of ICU, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
| | - Ruhui Yang
- Lishui University, Lishui, Zhejiang 323000, P.R. China
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26
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Yacobovich S, Tuchinsky L, Kirby M, Kardash T, Agranyoni O, Nesher E, Redko B, Gellerman G, Tobi D, Gurova K, Koman I, Ashur Fabian O, Pinhasov A. Novel synthetic cyclic integrin αvβ3 binding peptide ALOS4: Antitumor activity in mouse melanoma models. Oncotarget 2018; 7:63549-63560. [PMID: 27556860 PMCID: PMC5325384 DOI: 10.18632/oncotarget.11363] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2016] [Accepted: 07/27/2016] [Indexed: 12/15/2022] Open
Abstract
ALOS4, a unique synthetic cyclic peptide without resemblance to known integrin ligand sequences, was discovered through repeated biopanning with pIII phage expressing a disulfide-constrained nonapeptide library. Binding assays using a FITC-labeled analogue demonstrated selective binding to immobilized αvβ3 and a lack of significant binding to other common proteins, such as bovine serum albumin and collagen. In B16F10 cell cultures, ALOS4 treatment at 72 h inhibited cell migration (30%) and adhesion (up to 67%). Immunofluorescent imaging an ALOS4-FITC analogue with B16F10 cells demonstrated rapid cell surface binding, and uptake and localization in the cytoplasm. Daily injections of ALOS4 (0.1, 0.3 or 0.5 mg/kg i.p.) to mice inoculated with B16F10 mouse melanoma cells in two different cancer models, metastatic and subcutaneous tumor, resulted in reduction of lung tumor count (metastatic) and tumor mass (subcutaneous) and increased survival of animals monitored to 45 and 60 days, respectively. Examination of cellular activity indicated that ALOS4 produces inhibition of cell migration and adhesion in a concentration-dependent manner. Collectively, these results suggest that ALOS4 is a structurally-unique selective αvβ3 integrin ligand with potential anti-metastatic activity.
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Affiliation(s)
- Shiri Yacobovich
- Department of Molecular Biology, Ariel University, Ariel, Israel
| | - Lena Tuchinsky
- Department of Molecular Biology, Ariel University, Ariel, Israel
| | - Michael Kirby
- Department of Molecular Biology, Ariel University, Ariel, Israel
| | - Tetiana Kardash
- Department of Molecular Biology, Ariel University, Ariel, Israel
| | - Oryan Agranyoni
- Department of Molecular Biology, Ariel University, Ariel, Israel
| | - Elimelech Nesher
- Department of Molecular Biology, Ariel University, Ariel, Israel.,Department of Cell Stress Biology, Roswell Park Cancer Institute, Buffalo, New York, USA
| | - Boris Redko
- Department of Chemical Sciences, Ariel University, Ariel, Israel
| | - Gary Gellerman
- Department of Chemical Sciences, Ariel University, Ariel, Israel
| | - Dror Tobi
- Department of Molecular Biology, Ariel University, Ariel, Israel
| | - Katerina Gurova
- Department of Cell Stress Biology, Roswell Park Cancer Institute, Buffalo, New York, USA
| | - Igor Koman
- Department of Molecular Biology, Ariel University, Ariel, Israel
| | - Osnat Ashur Fabian
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Albert Pinhasov
- Department of Molecular Biology, Ariel University, Ariel, Israel
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27
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Ponert JM, Schwarz S, Haschemi R, Müller J, Pötzsch B, Bendas G, Schlesinger M. The mechanisms how heparin affects the tumor cell induced VEGF and chemokine release from platelets to attenuate the early metastatic niche formation. PLoS One 2018; 13:e0191303. [PMID: 29346400 PMCID: PMC5773218 DOI: 10.1371/journal.pone.0191303] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 01/01/2018] [Indexed: 11/18/2022] Open
Abstract
Metastasis is responsible for the majority of cancer associated fatalities. Tumor cells leaving the primary tumor and entering the blood flow immediately interact with platelets. Activated platelets contribute in different ways to cancer cell survival and proliferation, e.g. in formation of the early metastatic niche by release of different growth factors and chemokines. Here we show that a direct interaction between platelets and MV3 melanoma or MCF7 breast cancer cells induces platelet activation and a VEGF release in citrated plasma that cannot be further elevated by the coagulation cascade and generated thrombin. In contrast, the release of platelet-derived chemokines CXCL5 and CXCL7 depends on both, a thrombin-mediated platelet activation and a direct interaction between tumor cells and platelets. Preincubation of platelets with therapeutic concentrations of unfractionated heparin reduces the tumor cell initiated VEGF release from platelets. In contrast, tumor cell induced CXCL5 and CXCL7 release from platelets was not impacted by heparin pretreatment in citrated plasma. In defibrinated, recalcified plasma, on the contrary, heparin is able to reduce CXCL5 and CXCL7 release from platelets by thrombin inhibition. Our data indicate that different chemokines and growth factors in diverse platelet granules are released in tightly regulated processes by various trigger mechanisms. We show for the first time that heparin is able to reduce the mediator release induced by different tumor cells both in a contact and coagulation dependent manner.
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Affiliation(s)
- Jan Moritz Ponert
- Department of Pharmacy, Rheinische Friedrich-Wilhelms-University Bonn, Bonn, Germany
| | - Svenja Schwarz
- Department of Pharmacy, Rheinische Friedrich-Wilhelms-University Bonn, Bonn, Germany
| | - Reza Haschemi
- Department of Pharmacy, Rheinische Friedrich-Wilhelms-University Bonn, Bonn, Germany
| | - Jens Müller
- Institute for Experimental Hematology and Transfusion Medicine, University of Bonn Medical Centre, Bonn, Germany
| | - Bernd Pötzsch
- Institute for Experimental Hematology and Transfusion Medicine, University of Bonn Medical Centre, Bonn, Germany
| | - Gerd Bendas
- Department of Pharmacy, Rheinische Friedrich-Wilhelms-University Bonn, Bonn, Germany
| | - Martin Schlesinger
- Department of Pharmacy, Rheinische Friedrich-Wilhelms-University Bonn, Bonn, Germany
- * E-mail:
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28
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Krog BL, Henry MD. Biomechanics of the Circulating Tumor Cell Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1092:209-233. [PMID: 30368755 DOI: 10.1007/978-3-319-95294-9_11] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Circulating tumor cells (CTCs) exist in a microenvironment quite different from the solid tumor tissue microenvironment. They are detached from matrix and exposed to the immune system and hemodynamic forces leading to the conclusion that life as a CTC is "nasty, brutish, and short." While there is much evidence to support this assertion, the mechanisms underlying this are much less clear. In this chapter we will specifically focus on biomechanical influences on CTCs in the circulation and examine in detail the question of whether CTCs are mechanically fragile, a commonly held idea that is lacking in direct evidence. We will review multiple lines of evidence indicating, perhaps counterintuitively, that viable cancer cells are mechanically robust in the face of exposures to physiologic shear stresses that would be encountered by CTCs during their passage through the circulation. Finally, we present emerging evidence that malignant epithelial cells, as opposed to their benign counterparts, possess specific mechanisms that enable them to endure these mechanical stresses.
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Affiliation(s)
- Benjamin L Krog
- Department of Molecular Physiology and Biophysics, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Michael D Henry
- Department of Molecular Physiology and Biophysics, Carver College of Medicine, University of Iowa, Iowa City, IA, USA.
- Department of Pathology and Urology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA.
- Holden Comprehensive Cancer Center, Carver College of Medicine, University of Iowa, Iowa City, IA, USA.
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29
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Elaskalani O, Berndt MC, Falasca M, Metharom P. Targeting Platelets for the Treatment of Cancer. Cancers (Basel) 2017; 9:E94. [PMID: 28737696 PMCID: PMC5532630 DOI: 10.3390/cancers9070094] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 07/18/2017] [Accepted: 07/19/2017] [Indexed: 12/21/2022] Open
Abstract
The majority of cancer-associated mortality results from the ability of tumour cells to metastasise leading to multifunctional organ failure and death. Disseminated tumour cells in the blood circulation are faced with major challenges such as rheological shear stresses and cell-mediated cytotoxicity mediated by natural killer cells. Nevertheless, circulating tumour cells with metastatic ability appear equipped to exploit host cells to aid their survival. Despite the long interest in targeting tumour-associated host cells such as platelets for cancer treatment, the clinical benefit of this strategy is still under question. In this review, we provide a summary of the latest mechanistic and clinical evidence to evaluate the validity of targeting platelets in cancer.
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Affiliation(s)
- Omar Elaskalani
- Faculty of Health Sciences, Curtin University, Perth 6100, Australia.
- Curtin Health Innovation Research Institute (CHIRI), Curtin University, Perth 6100, Australia.
| | - Michael C Berndt
- Faculty of Health Sciences, Curtin University, Perth 6100, Australia.
| | - Marco Falasca
- Faculty of Health Sciences, Curtin University, Perth 6100, Australia.
- Curtin Health Innovation Research Institute (CHIRI), Curtin University, Perth 6100, Australia.
- School of Biomedical Sciences, Curtin University, Perth 6100, Australia.
| | - Pat Metharom
- Faculty of Health Sciences, Curtin University, Perth 6100, Australia.
- Curtin Health Innovation Research Institute (CHIRI), Curtin University, Perth 6100, Australia.
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30
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Husseinzadeh H, Carrier M. Occult cancer detection in patients with hemostatic disorder and venous thromboembolism. Thromb Res 2017; 163:242-245. [PMID: 28587726 DOI: 10.1016/j.thromres.2017.05.034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 05/21/2017] [Accepted: 05/31/2017] [Indexed: 11/28/2022]
Abstract
There are physiologic ties between Von Willebrand Factor (VWF) and circulating tumor cells. VWF appears to play a role in tumor biology, but it is unclear whether cancer behavior differs in Von Willebrand Disease. In patients presenting with venous thromboembolism (VTE), occult cancer is frequently considered as an underlying cause. The prevalence of occult cancer after provoked VTE is low (3%); therefore, cancer screening in these patients is not routinely recommended. In those with unprovoked VTE, occult cancer is more prevalent, estimated between 4 and 10%. Due to this elevated risk, occult cancer screening is recommended in this population. Multiple studies have investigated whether a "limited" approach (including history and physical exam, basic labs, and chest X-ray) versus "extensive" approach (addition of advanced imaging, such as computer tomography) is more effective. Current data fails to demonstrate extensive screening strategies diagnose more occult cancer, miss fewer cancers during follow up, or improve cancer-related mortality. Furthermore, many patients may be needlessly exposed to unnecessary diagnostic procedures with their associated complications and costs, as well as significant anxiety. Therefore, the decision to perform additional testing should be made on a case-by-case basis. Additional studies are needed to identify subgroups of patients with unprovoked VTE at highest risk for occult cancer.
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Affiliation(s)
- Holleh Husseinzadeh
- Department of Medicine, University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA.
| | - Marc Carrier
- Department of Medicine, The Ottawa Hospital Research Institute, University of Ottawa, 501 Smyth Road, Ottawa, ON K1H 8L6, Canada.
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31
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Bystricky B, Reuben JM, Mego M. Circulating tumor cells and coagulation—Minireview. Crit Rev Oncol Hematol 2017; 114:33-42. [DOI: 10.1016/j.critrevonc.2017.04.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Revised: 03/21/2017] [Accepted: 04/04/2017] [Indexed: 12/19/2022] Open
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32
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Echtler K, Konrad I, Lorenz M, Schneider S, Hofmaier S, Plenagl F, Stark K, Czermak T, Tirniceriu A, Eichhorn M, Walch A, Enders G, Massberg S, Schulz C. Platelet GPIIb supports initial pulmonary retention but inhibits subsequent proliferation of melanoma cells during hematogenic metastasis. PLoS One 2017; 12:e0172788. [PMID: 28253287 PMCID: PMC5333841 DOI: 10.1371/journal.pone.0172788] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2016] [Accepted: 02/09/2017] [Indexed: 01/27/2023] Open
Abstract
Platelets modulate the process of cancer metastasis. However, current knowledge on the direct interaction of platelets and tumor cells is mostly based on findings obtained in vitro. We addressed the role of the platelet fibrinogen receptor glycoprotein IIb (integrin αIIb) for experimental melanoma metastasis in vivo. Highly metastatic B16-D5 melanoma cells were injected intravenously into GPIIb-deficient (GPIIb-/-) or wildtype (WT) mice. Acute accumulation of tumor cells in the pulmonary vasculature was assessed in real-time by confocal videofluorescence microscopy. Arrest of tumor cells was dramatically reduced in GPIIb-/- mice as compared to WT. Importantly, we found that mainly multicellular aggregates accumulated in the pulmonary circulation of WT, instead B16-D5 aggregates were significantly smaller in GPIIb-/- mice. While pulmonary arrest of melanoma was clearly dependent on GPIIb in this early phase of metastasis, we also addressed tumor progression 10 days after injection. Inversely, and unexpectedly, we found that melanoma metastasis was now increased in GPIIb-/- mice. In contrast, GPIIb did not regulate local melanoma proliferation in a subcutaneous tumor model. Our data suggest that the platelet fibrinogen receptor has a differential role in the modulation of hematogenic melanoma metastasis. While platelets clearly support early steps in pulmonary metastasis via GPIIb-dependent formation of platelet-tumor-aggregates, at a later stage its absence is associated with an accelerated development of melanoma metastases.
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Affiliation(s)
- Katrin Echtler
- Medizinische Klinik und Poliklinik I, Klinikum der Universität, Ludwig-Maximilians-Universität, Munich, Germany
- Walter-Brendel-Zentrum für Experimentelle Medizin, Ludwig-Maximilians-Universität, Munich, Germany
| | - Ildiko Konrad
- Medizinische Klinik und Poliklinik I, Klinikum der Universität, Ludwig-Maximilians-Universität, Munich, Germany
- Walter-Brendel-Zentrum für Experimentelle Medizin, Ludwig-Maximilians-Universität, Munich, Germany
| | - Michael Lorenz
- Medizinische Klinik und Poliklinik I, Klinikum der Universität, Ludwig-Maximilians-Universität, Munich, Germany
- Walter-Brendel-Zentrum für Experimentelle Medizin, Ludwig-Maximilians-Universität, Munich, Germany
| | - Simon Schneider
- Medizinische Klinik, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Sebastian Hofmaier
- Medizinische Klinik, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Florian Plenagl
- Medizinische Klinik und Poliklinik I, Klinikum der Universität, Ludwig-Maximilians-Universität, Munich, Germany
- Walter-Brendel-Zentrum für Experimentelle Medizin, Ludwig-Maximilians-Universität, Munich, Germany
| | - Konstantin Stark
- Medizinische Klinik und Poliklinik I, Klinikum der Universität, Ludwig-Maximilians-Universität, Munich, Germany
- Walter-Brendel-Zentrum für Experimentelle Medizin, Ludwig-Maximilians-Universität, Munich, Germany
| | - Thomas Czermak
- Medizinische Klinik und Poliklinik I, Klinikum der Universität, Ludwig-Maximilians-Universität, Munich, Germany
- Walter-Brendel-Zentrum für Experimentelle Medizin, Ludwig-Maximilians-Universität, Munich, Germany
| | - Anca Tirniceriu
- Medizinische Klinik und Poliklinik I, Klinikum der Universität, Ludwig-Maximilians-Universität, Munich, Germany
- Walter-Brendel-Zentrum für Experimentelle Medizin, Ludwig-Maximilians-Universität, Munich, Germany
| | - Martin Eichhorn
- Walter-Brendel-Zentrum für Experimentelle Medizin, Ludwig-Maximilians-Universität, Munich, Germany
- Chirurgische Klinik, Klinikum der Universität, Ludwig-Maximilians-Universität, Munich, Germany
| | - Axel Walch
- Research Unit Analytical Pathology, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany
| | - Georg Enders
- Walter-Brendel-Zentrum für Experimentelle Medizin, Ludwig-Maximilians-Universität, Munich, Germany
| | - Steffen Massberg
- Medizinische Klinik und Poliklinik I, Klinikum der Universität, Ludwig-Maximilians-Universität, Munich, Germany
- Walter-Brendel-Zentrum für Experimentelle Medizin, Ludwig-Maximilians-Universität, Munich, Germany
| | - Christian Schulz
- Medizinische Klinik und Poliklinik I, Klinikum der Universität, Ludwig-Maximilians-Universität, Munich, Germany
- Walter-Brendel-Zentrum für Experimentelle Medizin, Ludwig-Maximilians-Universität, Munich, Germany
- * E-mail:
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33
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A critical role of platelet TGF-β release in podoplanin-mediated tumour invasion and metastasis. Sci Rep 2017; 7:42186. [PMID: 28176852 PMCID: PMC5297242 DOI: 10.1038/srep42186] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 01/06/2017] [Indexed: 12/22/2022] Open
Abstract
The tumour microenvironment is critical for various characteristics of tumour malignancies. Platelets, as part of the tumour microenvironment, are associated with metastasis formation via increasing the rate of tumour embolus formation in microvasculature. However, the mechanisms underlying the ability of tumour cells to acquire invasiveness and extravasate into target organs at the site of embolization remain unclear. In this study, we reported that platelet aggregation-inducing factor podoplanin expressed on tumour cell surfaces were found to not only promote the formation of tumour-platelet aggregates via interaction with platelets, but also induced the epithelial-mesenchymal transition (EMT) of tumour cells by enhancing transforming growth factor-β (TGF-β) release from platelets. In vitro and in vivo analyses revealed that podoplanin-mediated EMT resulted in increased invasiveness and extravasation of tumour cells. Treatment of mice with a TGF-β-neutralizing antibody statistically suppressed podoplanin-mediated distant metastasis in vivo, suggesting that podoplanin promoted haematogenous metastasis in part by releasing TGF-β from platelets that was essential for EMT of tumour cells. Therefore, our findings suggested that blocking the TGF-β signalling pathway might be a promising strategy for suppressing podoplanin-mediated haematogenous metastasis in vivo.
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34
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Weber MR, Zuka M, Lorger M, Tschan M, Torbett BE, Zijlstra A, Quigley JP, Staflin K, Eliceiri BP, Krueger JS, Marchese P, Ruggeri ZM, Felding BH. Activated tumor cell integrin αvβ3 cooperates with platelets to promote extravasation and metastasis from the blood stream. Thromb Res 2017; 140 Suppl 1:S27-36. [PMID: 27067975 DOI: 10.1016/s0049-3848(16)30095-0] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Metastasis is the main cause of death in cancer patients, and understanding mechanisms that control tumor cell dissemination may lead to improved therapy. Tumor cell adhesion receptors contribute to cancer spreading. We noted earlier that tumor cells can expressing the adhesion receptor integrin αvβ3 in distinct states of activation, and found that cells which metastasize from the blood stream express it in a constitutively high affinity form. Here, we analyzed steps of the metastatic cascade in vivo and asked, when and how the affinity state of integrin αvβ3 confers a critical advantage to cancer spreading. Following tumor cells by real time PCR, non-invasive bioluminescence imaging, intravital microscopy and histology allowed us to identify tumor cell extravasation from the blood stream as a rate-limiting step supported by high affinity αvβ3. Successful transendothelial migration depended on cooperation between tumor cells and platelets involving the high affinity tumor cell integrin and release of platelet granules. Thus, this study identifies the high affinity conformer of integrin αvβ3 and its interaction with platelets as critical for early steps during hematogenous metastasis and target for prevention of metastatic disease.
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Affiliation(s)
- Martin R Weber
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, California, USA
| | - Masahiko Zuka
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, California, USA
| | - Mihaela Lorger
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, California, USA
| | - Mario Tschan
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, California, USA
| | - Bruce E Torbett
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, California, USA
| | - Andries Zijlstra
- Department of Cell Biology, The Scripps Research Institute, La Jolla, California, USA
| | - James P Quigley
- Department of Cell Biology, The Scripps Research Institute, La Jolla, California, USA
| | - Karin Staflin
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, California, USA
| | - Brian P Eliceiri
- Department of Surgery, University of California San Diego, San Diego, CA 92103, USA
| | - Joseph S Krueger
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, California, USA
| | - Patrizia Marchese
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, California, USA
| | - Zaverio M Ruggeri
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, California, USA
| | - Brunhilde H Felding
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, California, USA; Department of Chemical Physiology, The Scripps Research Institute, La Jolla, California, USA.
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35
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Meikle CKS, Kelly CA, Garg P, Wuescher LM, Ali RA, Worth RG. Cancer and Thrombosis: The Platelet Perspective. Front Cell Dev Biol 2017; 4:147. [PMID: 28105409 PMCID: PMC5214375 DOI: 10.3389/fcell.2016.00147] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2016] [Accepted: 12/12/2016] [Indexed: 01/03/2023] Open
Abstract
Platelets are critical to hemostatic and immunological function, and are key players in cancer progression, metastasis, and cancer-related thrombosis. Platelets interact with immune cells to stimulate anti-tumor responses and can be activated by immune cells and tumor cells. Platelet activation can lead to complex interactions between platelets and tumor cells. Platelets facilitate cancer progression and metastasis by: (1) forming aggregates with tumor cells; (2) inducing tumor growth, epithelial-mesenchymal transition, and invasion; (3) shielding circulating tumor cells from immune surveillance and killing; (4) facilitating tethering and arrest of circulating tumor cells; and (5) promoting angiogenesis and tumor cell establishment at distant sites. Tumor cell-activated platelets also predispose cancer patients to thrombotic events. Tumor cells and tumor-derived microparticles lead to thrombosis by secreting procoagulant factors, resulting in platelet activation and clotting. Platelets play a critical role in cancer progression and thrombosis, and markers of platelet-tumor cell interaction are candidates as biomarkers for cancer progression and thrombosis risk.
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Affiliation(s)
- Claire K S Meikle
- Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences Toledo, OH, USA
| | - Clare A Kelly
- Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences Toledo, OH, USA
| | - Priyanka Garg
- Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences Toledo, OH, USA
| | - Leah M Wuescher
- Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences Toledo, OH, USA
| | - Ramadan A Ali
- Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences Toledo, OH, USA
| | - Randall G Worth
- Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences Toledo, OH, USA
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36
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Becker KA, Beckmann N, Adams C, Hessler G, Kramer M, Gulbins E, Carpinteiro A. Melanoma cell metastasis via P-selectin-mediated activation of acid sphingomyelinase in platelets. Clin Exp Metastasis 2016; 34:25-35. [PMID: 27744579 DOI: 10.1007/s10585-016-9826-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Accepted: 10/06/2016] [Indexed: 12/19/2022]
Abstract
Metastatic dissemination of cancer cells is one of the hallmarks of malignancy and accounts for approximately 90 % of human cancer deaths. Within the blood vasculature, tumor cells may aggregate with platelets to form clots, adhere to and spread onto endothelial cells, and finally extravasate to form metastatic colonies. We have previously shown that sphingolipids play a central role in the interaction of tumor cells with platelets; this interaction is a prerequisite for hematogenous tumor metastasis in at least some tumor models. Here we show that the interaction between melanoma cells and platelets results in rapid and transient activation and secretion of acid sphingomyelinase (Asm) in WT but not in P-selectin-deficient platelets. Stimulation of P-selectin resulted in activation of p38 MAPK, and inhibition of p38 MAPK in platelets prevented the secretion of Asm after interaction with tumor cells. Intravenous injection of melanoma cells into WT mice resulted in multiple lung metastases, while in P-selectin-deficient mice pulmonary tumor metastasis and trapping of tumor cells in the lung was significantly reduced. Pre-incubation of tumor cells with recombinant ASM restored trapping of B16F10 melanoma cells in the lung in P-selectin-deficient mice. These findings indicate a novel pathway in tumor metastasis, i.e., tumor cell mediated activation of P-selectin in platelets, followed by activation and secretion of Asm and in turn release of ceramide and tumor metastasis. The data suggest that p38 MAPK acts downstream from P-selectin and is necessary for the secretion of Asm.
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Affiliation(s)
- Katrin Anne Becker
- Department of Molecular Biology, University Hospital Essen, University of Duisburg-Essen, Hufelandstrasse 55, 45122, Essen, Germany
| | - Nadine Beckmann
- Department of Molecular Biology, University Hospital Essen, University of Duisburg-Essen, Hufelandstrasse 55, 45122, Essen, Germany
| | - Constantin Adams
- Department of Molecular Biology, University Hospital Essen, University of Duisburg-Essen, Hufelandstrasse 55, 45122, Essen, Germany
| | - Gabriele Hessler
- Department of Molecular Biology, University Hospital Essen, University of Duisburg-Essen, Hufelandstrasse 55, 45122, Essen, Germany
| | - Melanie Kramer
- Department of Molecular Biology, University Hospital Essen, University of Duisburg-Essen, Hufelandstrasse 55, 45122, Essen, Germany
| | - Erich Gulbins
- Department of Molecular Biology, University Hospital Essen, University of Duisburg-Essen, Hufelandstrasse 55, 45122, Essen, Germany
- Department of Surgery, University of Cincinnati College of Medicine, Cincinnati, OH, 45267-0558, USA
| | - Alexander Carpinteiro
- Department of Molecular Biology, University Hospital Essen, University of Duisburg-Essen, Hufelandstrasse 55, 45122, Essen, Germany.
- Clinic for Hematology, University Hospital Essen, University of Duisburg-Essen, Hufelandstrasse 55, 45122, Essen, Germany.
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37
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Gilad Y, Firer M, Gellerman G. Recent Innovations in Peptide Based Targeted Drug Delivery to Cancer Cells. Biomedicines 2016; 4:E11. [PMID: 28536378 PMCID: PMC5344250 DOI: 10.3390/biomedicines4020011] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 05/16/2016] [Accepted: 05/23/2016] [Indexed: 12/21/2022] Open
Abstract
Targeted delivery of chemotherapeutics and diagnostic agents conjugated to carrier ligands has made significant progress in recent years, both in regards to the structural design of the conjugates and their biological effectiveness. The goal of targeting specific cell surface receptors through structural compatibility has encouraged the use of peptides as highly specific carriers as short peptides are usually non-antigenic, are structurally simple and synthetically diverse. Recent years have seen many developments in the field of peptide based drug conjugates (PDCs), particularly for cancer therapy, as their use aims to bypass off-target side-effects, reducing the morbidity common to conventional chemotherapy. However, no PDCs have as yet obtained regulatory approval. In this review, we describe the evolution of the peptide-based strategy for targeted delivery of chemotherapeutics and discuss recent innovations in the arena that should lead in the near future to their clinical application.
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Affiliation(s)
- Yosi Gilad
- Department of Chemical Sciences, Ariel University, Ariel 40700, Israel.
- Department of Chemical Engineering and Biotechnology, Ariel University, Ariel 40700, Israel.
| | - Michael Firer
- Department of Chemical Engineering and Biotechnology, Ariel University, Ariel 40700, Israel.
| | - Gary Gellerman
- Department of Chemical Sciences, Ariel University, Ariel 40700, Israel.
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38
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Shi J, Wang F, Liu S. Radiolabeled cyclic RGD peptides as radiotracers for tumor imaging. BIOPHYSICS REPORTS 2016; 2:1-20. [PMID: 27819026 PMCID: PMC5071373 DOI: 10.1007/s41048-016-0021-8] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Accepted: 03/01/2016] [Indexed: 12/19/2022] Open
Abstract
The integrin family comprises 24 transmembrane receptors, each a heterodimeric combination of one of 18α and one of 8β subunits. Their main function is to integrate the cell adhesion and interaction with the extracellular microenvironment with the intracellular signaling and cytoskeletal rearrangement through transmitting signals across the cell membrane upon ligand binding. Integrin αvβ3 is a receptor for the extracellular matrix proteins containing arginine–glycine–aspartic (RGD) tripeptide sequence. The αvβ3 is generally expressed in low levels on the epithelial cells and mature endothelial cells, but it is highly expressed in many solid tumors. The αvβ3 levels correlate well with the potential for tumor metastasis and aggressiveness, which make it an important biological target for development of antiangiogenic drugs, and molecular imaging probes for early tumor diagnosis. Over the last decade, many radiolabeled cyclic RGD peptides have been evaluated as radiotracers for imaging tumors by SPECT or PET. Even though they are called “αvβ3-targeted” radiotracers, the radiolabeled cyclic RGD peptides are also able to bind αvβ5, α5β1, α6β4, α4β1, and αvβ6 integrins, which may help enhance their tumor uptake due to the “increased receptor population.” This article will use the multimeric cyclic RGD peptides as examples to illustrate basic principles for development of integrin-targeted radiotracers and focus on different approaches to maximize their tumor uptake and T/B ratios. It will also discuss important assays for pre-clinical evaluations of the integrin-targeted radiotracers, and their potential applications as molecular imaging tools for noninvasive monitoring of tumor metastasis and early detection of the tumor response to antiangiogenic therapy.
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Affiliation(s)
- Jiyun Shi
- Interdisciplinary Laboratory, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101 China ; Medical Isotopes Research Center, Peking University, Beijing, 100191 China
| | - Fan Wang
- Interdisciplinary Laboratory, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101 China ; Medical Isotopes Research Center, Peking University, Beijing, 100191 China
| | - Shuang Liu
- School of Health Sciences, Purdue University, West Lafayette, IN 47907 USA
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39
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Karathanasis E, Ghaghada KB. Crossing the barrier: treatment of brain tumors using nanochain particles. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2016; 8:678-95. [PMID: 26749497 DOI: 10.1002/wnan.1387] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 11/25/2015] [Accepted: 12/09/2015] [Indexed: 12/24/2022]
Abstract
Despite advancements in surgery and radiotherapy, the aggressive forms of brain tumors, such as gliomas, are still uniformly lethal with current therapies offering only palliation complicated by significant toxicities. Gliomas are characteristically diffuse with infiltrating edges, resistant to drugs and nearly inaccessible to systemic therapies due to the brain-tumor barrier. Currently, aggressive efforts are underway to further understand brain-tumor's microenvironment and identify brain tumor cell-specific regulators amenable to pharmacologic interventions. While new potent agents are continuously becoming available, efficient drug delivery to brain tumors remains a limiting factor. To tackle the drug delivery issues, a multicomponent chain-like nanoparticle has been developed. These nanochains are comprised of iron oxide nanospheres and a drug-loaded liposome chemically linked into a 100-nm linear, chain-like assembly with high precision. The nanochain possesses a unique ability to scavenge the tumor endothelium. By utilizing effective vascular targeting, the nanochains achieve rapid deposition on the vascular bed of glioma sites establishing well-distributed drug reservoirs on the endothelium of brain tumors. After reaching the target sites, an on-command, external low-power radiofrequency field can remotely trigger rapid drug release, due to mechanical disruption of the liposome, facilitating widespread and effective drug delivery into regions harboring brain tumor cells. Integration of the nanochain delivery system with the appropriate combination of complementary drugs has the potential to unfold the field and allow significant expansion of therapies for the disease where success is currently very limited. WIREs Nanomed Nanobiotechnol 2016, 8:678-695. doi: 10.1002/wnan.1387 For further resources related to this article, please visit the WIREs website.
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Affiliation(s)
- Efstathios Karathanasis
- Department of Biomedical Engineering and Department of Radiology, Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, USA
| | - Ketan B Ghaghada
- Edward B. Singleton Department of Pediatric Radiology, Texas Children's Hospital, Department of Radiology, Baylor College of Medicine, Houston, TX, USA
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40
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Spencer A, Spruell C, Nandi S, Wong M, Creixell M, Baker AB. A high-throughput mechanofluidic screening platform for investigating tumor cell adhesion during metastasis. LAB ON A CHIP 2016; 16:142-52. [PMID: 26584160 PMCID: PMC4691538 DOI: 10.1039/c5lc00994d] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
The metastatic spread of cancer is a major barrier to effective and curative therapies for cancer. During metastasis, tumor cells intravasate into the vascular system, survive in the shear forces and immunological environment of the circulation, and then extravasate into secondary tumor sites. Biophysical forces are potent regulators of cancer biology and are key in many of the steps of metastasis. In particular, the adhesion of circulating cells is highly dependent upon competing forces between cell adhesion receptors and the shear stresses due to fluid flow. Conventional in vitro assays for drug development and the mechanistic study of metastasis are often carried out in the absence of fluidic forces and, consequently, are poorly representative of the true biology of metastasis. Here, we present a novel high-throughput approach to studying cell adhesion under flow that uses a multi-well, mechanofluidic flow system to interrogate adhesion of cancer cell to endothelial cells, extracellular matrix and platelets under physiological shear stresses. We use this system to identify pathways and compounds that can potentially be used to inhibit cancer adhesion under flow by screening anti-inflammatory compounds, integrin inhibitors and a kinase inhibitor library. In particular, we identify several small molecule inhibitors of FLT-3 and AKT that are potent inhibitors of cancer cell adhesion to endothelial cells and platelets under flow. In addition, we found that many kinase inhibitors lead to increased adhesion of cancer cells in flow-based but not static assays. This finding suggests that even compounds that reduce cell proliferation might also enhance cancer cell adhesion during metastasis. Overall, our results validate a novel platform for investigating the mechanisms of cell adhesion under biophysical flow conditions and identify several potential inhibitors of cancer cell adhesion during metastasis.
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Affiliation(s)
- A Spencer
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, USA.
| | - C Spruell
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, USA.
| | - S Nandi
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, USA.
| | - M Wong
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, USA.
| | - M Creixell
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, USA.
| | - A B Baker
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, USA. and Institute for Cellular and Molecular Biology, University of Texas at Austin, Austin, TX, USA
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41
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Gilad Y, Noy E, Senderowitz H, Albeck A, Firer MA, Gellerman G. Synthesis, biological studies and molecular dynamics of new anticancer RGD-based peptide conjugates for targeted drug delivery. Bioorg Med Chem 2015; 24:294-303. [PMID: 26719208 DOI: 10.1016/j.bmc.2015.12.020] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Revised: 12/07/2015] [Accepted: 12/11/2015] [Indexed: 01/22/2023]
Abstract
New cyclic RGD peptide-anticancer agent conjugates, with different chemical functionalities attached to the parent peptide were synthesized in order to evaluate their biological activities and to provide a comparative study of their drug release profiles. The Integrin binding c(RGDfK) penta-peptide was used for the synthesis of Camptothecin (CPT) carbamate and Chlorambucil (CLB) amide conjugates. Substitution of the amino acid Lys with Ser resulted in a modified c(RGDfS) with a new attachment site, which enabled the synthesis of an ester CLB conjugate. Functional versatility of the conjugates was reflected in the variability of their drug release profiles, while the conserved RGD sequence of a selective binding to the αv integrin family, likely preserved their recognition by the Integrin and consequently their favorable toxicity towards targeted cancer cells. This hypothesis was supported by a computational analysis suggesting that all conjugates occupy conformational spaces similar to that of the Integrin bound bio-active parent peptide.
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Affiliation(s)
- Y Gilad
- Department of Biological Chemistry, Ariel University, Ariel 40700, Israel; The Julius Spokojny Bioorganic Chemistry Laboratory, Department of Chemistry, Bar Ilan University, Ramat Gan 52900, Israel
| | - E Noy
- Department of Chemistry, Bar Ilan University, Ramat Gan 52900, Israel
| | - H Senderowitz
- Department of Chemistry, Bar Ilan University, Ramat Gan 52900, Israel
| | - A Albeck
- The Julius Spokojny Bioorganic Chemistry Laboratory, Department of Chemistry, Bar Ilan University, Ramat Gan 52900, Israel
| | - M A Firer
- Department of Chemical Engineering, Ariel University, Ariel 40700, Israel
| | - G Gellerman
- Department of Biological Chemistry, Ariel University, Ariel 40700, Israel.
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42
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Gaddes ER, Lee D, Gydush G, Wang Y, Dong C. Regulation of fibrin-mediated tumor cell adhesion to the endothelium using anti-thrombin aptamer. Exp Cell Res 2015; 339:417-26. [PMID: 26481421 DOI: 10.1016/j.yexcr.2015.10.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Revised: 09/29/2015] [Accepted: 10/09/2015] [Indexed: 12/27/2022]
Abstract
Molecular intervention during transient stages of various metastatic pathways may lead to development of promising therapeutic technologies. One of such involves soluble fibrin (sFn) that has been implicated as a cross-linker between circulating blood or tumor cells and endothelial cell receptors, promoting cell arrest on the endothelium during circulation. sFn generation is a result of thrombin-mediated fibrinogen (Fg) cleavage due to either vascular injuries or a tumor microenvironment. For cancer therapy, thrombin-mediated conversions of Fg to sFn thus serve as potential intervention points to decrease circulating tumor cell adhesion to the endothelium and subsequent metastatic events. The purpose of this work was to investigate the function of an anti-thrombin oligonucleotide aptamer in reducing tumor cell arrest. Both molecular and cellular interactions were examined to demonstrate the binding and inhibitory effects of anti-thrombin aptamer. The results show that the aptamer is capable of inhibiting thrombin-mediated Fg conversion, thereby reducing sFn-mediated tumor cell adhesion in a concentration-dependent manner. Notably, the aptamer is able to bind thrombin under dynamic flow conditions and reduce tumor cell adhesive events at various physiological shear rates. This study further indicates that oligonucleotide aptamers hold great promise as therapeutic regulators of tumor cell adhesion, and consequently, metastatic activity.
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Affiliation(s)
- Erin R Gaddes
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Deborah Lee
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Gregory Gydush
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Yong Wang
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Cheng Dong
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA.
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43
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Yue Z, Wang A, Zhu Z, Tao L, Li Y, Zhou L, Chen W, Lu Y. Holothurian glycosaminoglycan inhibits metastasis via inhibition of P-selectin in B16F10 melanoma cells. Mol Cell Biochem 2015; 410:143-54. [PMID: 26318439 DOI: 10.1007/s11010-015-2546-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Accepted: 08/18/2015] [Indexed: 12/14/2022]
Abstract
P-selectin-mediated tumor cell adhesion to platelets is a well-established stage in the process of tumor metastasis. Through computerized structural analysis, we found a marine-derived polysaccharide, holothurian glycosaminoglycan (hGAG), behaved as a ligand-competitive inhibitor of P-selectin, indicating its potential to disrupt the binding of P-selectin to cell surface receptor and activation of downstream regulators of tumor cell migration. Our experimental data demonstrated that hGAG significantly inhibited P-selectin-mediated adhesion of tumor cells to platelets and tumor cell migration in vitro and reduced subsequent pulmonary metastasis in vivo. Furthermore, abrogation of the P-selectin-mediated adhesion of tumor cells led to down-regulation of protein levels of integrins, FAK and MMP-2/9 in B16F10 cells, which is a crucial molecular mechanism of hGAG to inhibit tumor metastasis. In conclusion, hGAG has emerged as a novel anti-cancer agent via blocking P-selectin-mediated malignant events of tumor metastasis.
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Affiliation(s)
- Zhiqiang Yue
- College of Pharmacy, Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, Jiangsu, China
| | - Aiyun Wang
- College of Pharmacy, Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, Jiangsu, China.,Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine (TCM) Prevention and Treatment of Tumor, Nanjing, 210023, China.,Jiangsu Provincial Center for Research and Development of Marine Drugs, Nanjing, 210023, Jiangsu, China
| | - Zhijie Zhu
- College of Pharmacy, Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, Jiangsu, China
| | - Li Tao
- College of Pharmacy, Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, Jiangsu, China
| | - Yao Li
- College of Pharmacy, Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, Jiangsu, China
| | - Liang Zhou
- College of Pharmacy, Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, Jiangsu, China
| | - Wenxing Chen
- College of Pharmacy, Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, Jiangsu, China.,Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine (TCM) Prevention and Treatment of Tumor, Nanjing, 210023, China.,Jiangsu Provincial Center for Research and Development of Marine Drugs, Nanjing, 210023, Jiangsu, China
| | - Yin Lu
- College of Pharmacy, Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, Jiangsu, China. .,Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine (TCM) Prevention and Treatment of Tumor, Nanjing, 210023, China. .,Jiangsu Provincial Center for Research and Development of Marine Drugs, Nanjing, 210023, Jiangsu, China.
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44
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Doolittle E, Peiris PM, Doron G, Goldberg A, Tucci S, Rao S, Shah S, Sylvestre M, Govender P, Turan O, Lee Z, Schiemann WP, Karathanasis E. Spatiotemporal Targeting of a Dual-Ligand Nanoparticle to Cancer Metastasis. ACS NANO 2015; 9:8012-8021. [PMID: 26203676 PMCID: PMC4579532 DOI: 10.1021/acsnano.5b01552] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Various targeting strategies and ligands have been employed to direct nanoparticles to tumors that upregulate specific cell-surface molecules. However, tumors display a dynamic, heterogeneous microenvironment, which undergoes spatiotemporal changes including the expression of targetable cell-surface biomarkers. Here, we investigated a dual-ligand nanoparticle to effectively target two receptors overexpressed in aggressive tumors. By using two different chemical specificities, the dual-ligand strategy considered the spatiotemporal alterations in the expression patterns of the receptors in cancer sites. As a case study, we used two mouse models of metastasis of triple-negative breast cancer using the MDA-MB-231 and 4T1 cells. The dual-ligand system utilized two peptides targeting P-selectin and αvβ3 integrin, which are functionally linked to different stages of the development of metastatic disease at a distal site. Using in vivo multimodal imaging and post mortem histological analyses, this study shows that the dual-ligand nanoparticle effectively targeted metastatic disease that was otherwise missed by single-ligand strategies. The dual-ligand nanoparticle was capable of capturing different metastatic sites within the same animal that overexpressed either receptor or both of them. Furthermore, the highly efficient targeting resulted in 22% of the injected dual-ligand nanoparticles being deposited in early-stage metastases within 2 h after injection.
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Affiliation(s)
- Elizabeth Doolittle
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Department of Radiology, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Pubudu M. Peiris
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Department of Radiology, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Gilad Doron
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Amy Goldberg
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Samantha Tucci
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Swetha Rao
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Shruti Shah
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Meilyn Sylvestre
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Priya Govender
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Oguz Turan
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Zhenghong Lee
- Department of Radiology, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio
| | - William P. Schiemann
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio
| | - Efstathios Karathanasis
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Department of Radiology, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio
- Author to whom correspondence should be addressed: Efstathios Karathanasis, 2071 Martin Luther King Jr. Drive, Wickenden Building, Cleveland, Ohio 44106, USA, Phone: +1-216-844-5281; Fax: +1-216-844-4987;
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45
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Liu S. Radiolabeled Cyclic RGD Peptide Bioconjugates as Radiotracers Targeting Multiple Integrins. Bioconjug Chem 2015; 26:1413-38. [PMID: 26193072 DOI: 10.1021/acs.bioconjchem.5b00327] [Citation(s) in RCA: 74] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Angiogenesis is a requirement for tumor growth and metastasis. The angiogenic process depends on vascular endothelial cell migration and invasion, and is regulated by various cell adhesion receptors. Integrins are such a family of receptors that facilitate the cellular adhesion to and migration on extracellular matrix proteins in the intercellular spaces and basement membranes. Among 24 members of the integrin family, αvβ3 is studied most extensively for its role in tumor angiogenesis and metastasis. The αvβ3 is expressed at relatively low levels on epithelial cells and mature endothelial cells, but it is highly expressed on the activated endothelial cells of tumor neovasculature and some tumor cells. This restricted expression makes αvβ3 an excellent target to develop antiangiogenic drugs and diagnostic molecular imaging probes. Since αvβ3 is a receptor for extracellular matrix proteins with one or more RGD tripeptide sequence, many radiolabeled cyclic RGD peptides have been evaluated as "αvβ3-targeted" radiotracers for tumor imaging over the past decade. This article will use the dimeric and tetrameric cyclic RGD peptides developed in our laboratories as examples to illustrate basic principles for development of αvβ3-targeted radiotracers. It will focus on different approaches to maximize the radiotracer tumor uptake and tumor/background ratios. This article will also discuss some important assays for preclinical evaluations of integrin-targeted radiotracers. In general, multimerization of cyclic RGD peptides increases their integrin binding affinity and the tumor uptake and retention times of their radiotracers. Regardless of their multiplicity, the capability of cyclic RGD peptides to bind other integrins (namely, αvβ5, α5β1, α6β4, α4β1, and αvβ6) is expected to enhance the radiotracer tumor uptake due to the increased integrin population. The results from preclinical and clinical studies clearly show that radiolabeled cyclic RGD peptides (such as (99m)Tc-3P-RGD2, (18)F-Alfatide-I, and (18)F-Alfatide-II) are useful as the molecular imaging probes for early cancer detection and noninvasive monitoring of the tumor response to antiangiogenic therapy.
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Affiliation(s)
- Shuang Liu
- School of Health Sciences, Purdue University, 550 Stadium Mall Drive, West Lafayette, Indiana 47907, United States
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46
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Peiris PM, Deb P, Doolittle E, Doron G, Goldberg A, Govender P, Shah S, Rao S, Carbone S, Cotey T, Sylvestre M, Singh S, Schiemann WP, Lee Z, Karathanasis E. Vascular Targeting of a Gold Nanoparticle to Breast Cancer Metastasis. J Pharm Sci 2015; 104:2600-10. [PMID: 26036431 PMCID: PMC4504827 DOI: 10.1002/jps.24518] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Revised: 04/15/2015] [Accepted: 05/07/2015] [Indexed: 12/21/2022]
Abstract
The vast majority of breast cancer deaths are due to metastatic disease. Although deep tissue targeting of nanoparticles is suitable for some primary tumors, vascular targeting may be a more attractive strategy for micrometastasis. This study combined a vascular targeting strategy with the enhanced targeting capabilities of a nanoparticle to evaluate the ability of a gold nanoparticle (AuNP) to specifically target the early spread of metastatic disease. As a ligand for the vascular targeting strategy, we utilized a peptide targeting alpha(v) beta(3) integrin, which is functionally linked to the development of micrometastases at a distal site. By employing a straightforward radiolabeling method to incorporate Technetium-99m into the AuNPs, we used the high sensitivity of radionuclide imaging to monitor the longitudinal accumulation of the nanoparticles in metastatic sites. Animal and histological studies showed that vascular targeting of the nanoparticle facilitated highly accurate targeting of micrometastasis in the 4T1 mouse model of breast cancer metastasis using radionuclide imaging and a low dose of the nanoparticle. Because of the efficient targeting scheme, 14% of the injected AuNP deposited at metastatic sites in the lungs within 60 min after injection, indicating that the vascular bed of metastasis is a viable target site for nanoparticles.
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Affiliation(s)
- Pubudu M. Peiris
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Department of Radiology, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Partha Deb
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Department of Radiology, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Elizabeth Doolittle
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Department of Radiology, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Gilad Doron
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Amy Goldberg
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Priya Govender
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Shruti Shah
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Swetha Rao
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Sarah Carbone
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Thomas Cotey
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Meilyn Sylvestre
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - Sohaj Singh
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
| | - William P. Schiemann
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio
| | - Zhenghong Lee
- Department of Radiology, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio
| | - Efstathios Karathanasis
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
- Department of Radiology, Case Western Reserve University, Cleveland, Ohio
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, Ohio
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio
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Abstract
The hemostatic system is often subverted in patients with cancer, resulting in life-threatening venous thrombotic events. Despite the multifactorial and complex etiology of cancer-associated thrombosis, changes in the expression and activity of cancer-derived tissue factor (TF) - the principle initiator of the coagulation cascade - are considered key to malignant hypercoagulopathy and to the pathophysiology of thrombosis. However, many of the molecular and cellular mechanisms coupling the hemostatic degeneration to malignancy remain largely uncharacterized. In this review we discuss some of the tumor-intrinsic and tumor-extrinsic mechanisms that may contribute to the prothrombotic state of cancer, and we bring into focus the potential for circulating tumor cells (CTCs) in advancing our understanding of the field. We also summarize the current status of anti-coagulant therapy for the treatment of thrombosis in patients with cancer.
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Yuan L, Liu X. Platelets are associated with xenograft tumor growth and the clinical malignancy of ovarian cancer through an angiogenesis-dependent mechanism. Mol Med Rep 2014; 11:2449-58. [PMID: 25502723 PMCID: PMC4337475 DOI: 10.3892/mmr.2014.3082] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2014] [Accepted: 11/05/2014] [Indexed: 12/13/2022] Open
Abstract
Platelets are known to facilitate tumor metastasis and thrombocytosis has been associated with an adverse prognosis in ovarian cancer. However, the role of platelets in primary tumour growth remains to be elucidated. The present study demonstrated that the expression levels of various markers in platelets, endothelial adherence and angiogenesis, including, platelet glycoprotein IIb (CD41), platelet endothelial cell adhesion molecule 1 (CD31), vascular endothelial growth factor (VEGF), lysyl oxidase, focal adhesion kinase and breast cancer anti-estrogen resistance 1, were expressed at higher levels in patients with malignant carcinoma, compared with those with borderline cystadenoma and cystadenoma. In addition, the endothelial markers CD31 and VEGF were found to colocalize with the platelet marker CD41 in the malignant samples. Since mice transplanted with human ovarian cancer cells (SKOV3) demonstrated elevated tumor size and decreased survival rate when treated with thrombin or thrombopoietin (TPO), the platelets appeared to promote primary tumor growth. Depleting platelets using antibodies or by pretreating the cancer cells with hirudin significantly attenuated the transplanted tumor growth. The platelets contributed to late, but not early stages of tumor proliferation, as mice treated with platelet-depleting antibody 1 day prior to and 11 days after tumor transplantation had the same tumor volumes. By contrast, tumor size in the early TPO-injected group was increased significantly compared with the late TPO-injected group. These findings suggested that the interplay between platelets and angiogenesis may contribute to ovarian cancer growth. Therefore, platelets and their associated signaling and adhesive molecules may represent potential therapeutic targets for ovarian cancer.
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Affiliation(s)
- Lei Yuan
- Department of Gynecology, Obstetrics and Gynecology Hospital, Fudan University, Shanghai 200011, P.R. China
| | - Xishi Liu
- Department of Gynecology, Obstetrics and Gynecology Hospital, Fudan University, Shanghai 200011, P.R. China
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49
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Perspectives: Interplay Between Melanoma Regulated Fibrin and Receptor Mediated Adhesion Under Shear Flow. Cell Mol Bioeng 2014. [DOI: 10.1007/s12195-014-0369-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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50
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Toy R, Bauer L, Hoimes C, Ghaghada KB, Karathanasis E. Targeted nanotechnology for cancer imaging. Adv Drug Deliv Rev 2014; 76:79-97. [PMID: 25116445 PMCID: PMC4169743 DOI: 10.1016/j.addr.2014.08.002] [Citation(s) in RCA: 102] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Revised: 07/26/2014] [Accepted: 08/04/2014] [Indexed: 02/02/2023]
Abstract
Targeted nanoparticle imaging agents provide many benefits and new opportunities to facilitate accurate diagnosis of cancer and significantly impact patient outcome. Due to the highly engineerable nature of nanotechnology, targeted nanoparticles exhibit significant advantages including increased contrast sensitivity, binding avidity and targeting specificity. Considering the various nanoparticle designs and their adjustable ability to target a specific site and generate detectable signals, nanoparticles can be optimally designed in terms of biophysical interactions (i.e., intravascular and interstitial transport) and biochemical interactions (i.e., targeting avidity towards cancer-related biomarkers) for site-specific detection of very distinct microenvironments. This review seeks to illustrate that the design of a nanoparticle dictates its in vivo journey and targeting of hard-to-reach cancer sites, facilitating early and accurate diagnosis and interrogation of the most aggressive forms of cancer. We will report various targeted nanoparticles for cancer imaging using X-ray computed tomography, ultrasound, magnetic resonance imaging, nuclear imaging and optical imaging. Finally, to realize the full potential of targeted nanotechnology for cancer imaging, we will describe the challenges and opportunities for the clinical translation and widespread adaptation of targeted nanoparticles imaging agents.
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Affiliation(s)
- Randall Toy
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA; Case Center for Imaging Research, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Lisa Bauer
- Case Center for Imaging Research, Case Western Reserve University, Cleveland, OH 44106, USA; Department of Physics, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Christopher Hoimes
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH 44106, USA; University Hospitals Case Medical Center, Cleveland, OH 44106, USA
| | - Ketan B Ghaghada
- Edward B. Singleton Department of Pediatric Radiology, Texas Children's Hospital, Houston, TX 77030, USA; Department of Radiology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Efstathios Karathanasis
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA; Case Center for Imaging Research, Case Western Reserve University, Cleveland, OH 44106, USA; Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH 44106, USA; Department of Radiology, Case Western Reserve University, Cleveland, OH 44106, USA.
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