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Goyette MA, Stevens LE, DePinho CR, Seehawer M, Nishida J, Li Z, Wilde CM, Li R, Qiu X, Pyke AL, Zhao S, Lim K, Tender GS, Northey JJ, Riley NM, Long HW, Bertozzi CR, Weaver VM, Polyak K. Cancer-stromal cell interactions in breast cancer brain metastases induce glycocalyx-mediated resistance to HER2-targeting therapies. Proc Natl Acad Sci U S A 2024; 121:e2322688121. [PMID: 38709925 PMCID: PMC11098130 DOI: 10.1073/pnas.2322688121] [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] [Received: 12/22/2023] [Accepted: 03/27/2024] [Indexed: 05/08/2024] Open
Abstract
Brain metastatic breast cancer is particularly lethal largely due to therapeutic resistance. Almost half of the patients with metastatic HER2-positive breast cancer develop brain metastases, representing a major clinical challenge. We previously described that cancer-associated fibroblasts are an important source of resistance in primary tumors. Here, we report that breast cancer brain metastasis stromal cell interactions in 3D cocultures induce therapeutic resistance to HER2-targeting agents, particularly to the small molecule inhibitor of HER2/EGFR neratinib. We investigated the underlying mechanisms using a synthetic Notch reporter system enabling the sorting of cancer cells that directly interact with stromal cells. We identified mucins and bulky glycoprotein synthesis as top-up-regulated genes and pathways by comparing the gene expression and chromatin profiles of stroma-contact and no-contact cancer cells before and after neratinib treatment. Glycoprotein gene signatures were also enriched in human brain metastases compared to primary tumors. We confirmed increased glycocalyx surrounding cocultures by immunofluorescence and showed that mucinase treatment increased sensitivity to neratinib by enabling a more efficient inhibition of EGFR/HER2 signaling in cancer cells. Overexpression of truncated MUC1 lacking the intracellular domain as a model of increased glycocalyx-induced resistance to neratinib both in cell culture and in experimental brain metastases in immunodeficient mice. Our results highlight the importance of glycoproteins as a resistance mechanism to HER2-targeting therapies in breast cancer brain metastases.
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Affiliation(s)
- Marie-Anne Goyette
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA02215
- Department of Medicine, Harvard Medical School, Boston, MA02115
- Department of Medicine, Brigham and Women's Hospital, Boston, MA02115
| | - Laura E. Stevens
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA02215
- Department of Medicine, Harvard Medical School, Boston, MA02115
- Department of Medicine, Brigham and Women's Hospital, Boston, MA02115
| | - Carolyn R. DePinho
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA02215
| | - Marco Seehawer
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA02215
- Department of Medicine, Harvard Medical School, Boston, MA02115
- Department of Medicine, Brigham and Women's Hospital, Boston, MA02115
| | - Jun Nishida
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA02215
- Department of Medicine, Harvard Medical School, Boston, MA02115
- Department of Medicine, Brigham and Women's Hospital, Boston, MA02115
| | - Zheqi Li
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA02215
- Department of Medicine, Harvard Medical School, Boston, MA02115
- Department of Medicine, Brigham and Women's Hospital, Boston, MA02115
| | - Callahan M. Wilde
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA02215
| | - Rong Li
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA02215
| | - Xintao Qiu
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA02215
| | - Alanna L. Pyke
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA02215
| | - Stephanie Zhao
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA02215
| | - Klothilda Lim
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA02215
| | | | - Jason J. Northey
- Center for Bioengineering and Tissue Regeneration, University of California San Francisco, San Francisco, CA94143
| | | | - Henry W. Long
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA02215
| | - Carolyn R. Bertozzi
- Department of Chemistry, Stanford University, Stanford, CA94305
- HHMI, Stanford University, Stanford, CA94305
- Sarafan ChEM-H, Stanford University, Stanford, CA94305
| | - Valerie M. Weaver
- Center for Bioengineering and Tissue Regeneration, University of California San Francisco, San Francisco, CA94143
- Helen Diller Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA94143
- Department of Surgery, University of California San Francisco, San Francisco, CA94143
- Department of Bioengineering and Therapeutic Sciences, University of California San Francisco, San Francisco, CA94143
- Department of Radiation Oncology, University of California San Francisco, San Francisco, CA94143
- Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California San Francisco, San Francisco, CA94143
| | - Kornelia Polyak
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA02215
- Department of Medicine, Harvard Medical School, Boston, MA02115
- Department of Medicine, Brigham and Women's Hospital, Boston, MA02115
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2
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Bejarano L, Kauzlaric A, Lamprou E, Lourenco J, Fournier N, Ballabio M, Colotti R, Maas R, Galland S, Massara M, Soukup K, Lilja J, Brouland JP, Hottinger AF, Daniel RT, Hegi ME, Joyce JA. Interrogation of endothelial and mural cells in brain metastasis reveals key immune-regulatory mechanisms. Cancer Cell 2024; 42:378-395.e10. [PMID: 38242126 DOI: 10.1016/j.ccell.2023.12.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 10/11/2023] [Accepted: 12/20/2023] [Indexed: 01/21/2024]
Abstract
Brain metastasis (BrM) is a common malignancy, predominantly originating from lung, melanoma, and breast cancers. The vasculature is a key component of the BrM tumor microenvironment with critical roles in regulating metastatic seeding and progression. However, the heterogeneity of the major BrM vascular components, namely endothelial and mural cells, is still poorly understood. We perform single-cell and bulk RNA-sequencing of sorted vascular cell types and detect multiple subtypes enriched specifically in BrM compared to non-tumor brain, including previously unrecognized immune regulatory subtypes. We integrate the human data with mouse models, creating a platform to interrogate vascular targets for the treatment of BrM. We find that the CD276 immune checkpoint molecule is significantly upregulated in the BrM vasculature, and anti-CD276 blocking antibodies prolonged survival in preclinical trials. This study provides important insights into the complex interactions between the vasculature, immune cells, and cancer cells, with translational relevance for designing therapeutic interventions.
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Affiliation(s)
- Leire Bejarano
- Department of Oncology, University of Lausanne, Lausanne, Switzerland; Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland; Agora Cancer Research Centre Lausanne, Lausanne, Switzerland; Lundin Family Brain Tumor Research Center, Departments of Oncology and Clinical Neurosciences, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Annamaria Kauzlaric
- Agora Cancer Research Centre Lausanne, Lausanne, Switzerland; Translational Data Science Facility, Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | - Eleni Lamprou
- Department of Oncology, University of Lausanne, Lausanne, Switzerland; Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland; Agora Cancer Research Centre Lausanne, Lausanne, Switzerland; Lundin Family Brain Tumor Research Center, Departments of Oncology and Clinical Neurosciences, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Joao Lourenco
- Agora Cancer Research Centre Lausanne, Lausanne, Switzerland; Translational Data Science Facility, Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | - Nadine Fournier
- Agora Cancer Research Centre Lausanne, Lausanne, Switzerland; Translational Data Science Facility, Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | - Michelle Ballabio
- Department of Oncology, University of Lausanne, Lausanne, Switzerland; Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland; Agora Cancer Research Centre Lausanne, Lausanne, Switzerland
| | - Roberto Colotti
- In Vivo Imaging Facility (IVIF), University of Lausanne, Lausanne, Switzerland
| | - Roeltje Maas
- Department of Oncology, University of Lausanne, Lausanne, Switzerland; Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland; Agora Cancer Research Centre Lausanne, Lausanne, Switzerland; Lundin Family Brain Tumor Research Center, Departments of Oncology and Clinical Neurosciences, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Sabine Galland
- Department of Oncology, University of Lausanne, Lausanne, Switzerland; Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland; Agora Cancer Research Centre Lausanne, Lausanne, Switzerland; Lundin Family Brain Tumor Research Center, Departments of Oncology and Clinical Neurosciences, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Matteo Massara
- Department of Oncology, University of Lausanne, Lausanne, Switzerland; Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland; Agora Cancer Research Centre Lausanne, Lausanne, Switzerland; Lundin Family Brain Tumor Research Center, Departments of Oncology and Clinical Neurosciences, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Klara Soukup
- Department of Oncology, University of Lausanne, Lausanne, Switzerland; Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland; Agora Cancer Research Centre Lausanne, Lausanne, Switzerland
| | - Johanna Lilja
- Department of Oncology, University of Lausanne, Lausanne, Switzerland; Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland; Agora Cancer Research Centre Lausanne, Lausanne, Switzerland
| | - Jean-Philippe Brouland
- Department of Pathology, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Andreas F Hottinger
- Department of Oncology, University of Lausanne, Lausanne, Switzerland; Lundin Family Brain Tumor Research Center, Departments of Oncology and Clinical Neurosciences, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland; Department of Oncology, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Roy T Daniel
- Lundin Family Brain Tumor Research Center, Departments of Oncology and Clinical Neurosciences, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland; Department of Neurosurgery, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Monika E Hegi
- Lundin Family Brain Tumor Research Center, Departments of Oncology and Clinical Neurosciences, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland; Department of Neurosurgery, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland; Neuroscience Research Center, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Johanna A Joyce
- Department of Oncology, University of Lausanne, Lausanne, Switzerland; Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland; Agora Cancer Research Centre Lausanne, Lausanne, Switzerland; Lundin Family Brain Tumor Research Center, Departments of Oncology and Clinical Neurosciences, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland.
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3
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Hussen BM, Abdullah KH, Abdullah SR, Majeed NM, Mohamadtahr S, Rasul MF, Dong P, Taheri M, Samsami M. New insights of miRNA molecular mechanisms in breast cancer brain metastasis and therapeutic targets. Noncoding RNA Res 2023; 8:645-660. [PMID: 37818447 PMCID: PMC10560790 DOI: 10.1016/j.ncrna.2023.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/17/2023] [Accepted: 09/17/2023] [Indexed: 10/12/2023] Open
Abstract
Brain metastases in breast cancer (BC) patients are often associated with a poor prognosis. Recent studies have uncovered the critical roles of miRNAs in the initiation and progression of BC brain metastasis, highlighting the disease's underlying molecular pathways. miRNA-181c, miRNA-10b, and miRNA-21, for example, are all overexpressed in BC patients. It has been shown that these three miRNAs help tumors grow and metastasize by targeting genes that control how cells work. On the other hand, miRNA-26b5p, miRNA-7, and miRNA-1013p are all downregulated in BC brain metastasis patients. They act as tumor suppressors by controlling the expression of genes related to cell adhesion, angiogenesis, and invasion. Therapeutic miRNA targeting has considerable promise in treating BC brain metastases. Several strategies have been proposed to modulate miRNA expression, including miRNA-Mimics, antagomirs, and small molecule inhibitors of miRNA biogenesis. This review discusses the aberrant expression of miRNAs and metastatic pathways that lead to the spread of BC cells to the brain. It also explores miRNA therapeutic target molecular mechanisms and BC brain metastasis challenges with advanced strategies. The targeting of certain miRNAs opens a new door for the development of novel therapeutic approaches for this devastating disease.
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Affiliation(s)
- Bashdar Mahmud Hussen
- Department of Biomedical Sciences, College of Science, Cihan University-Erbil, Kurdistan Region, 44001, Iraq
- Department of Clinical Analysis, College of Pharmacy, Hawler Medical University, Kurdistan Region, Erbil, Iraq
| | - Khozga Hazhar Abdullah
- Medical Laboratory Science, College of Health Sciences, Lebanese French University, Kurdistan Region, Erbil, Iraq
| | - Snur Rasool Abdullah
- Medical Laboratory Science, College of Health Sciences, Lebanese French University, Kurdistan Region, Erbil, Iraq
| | | | - Sayran Mohamadtahr
- Department of Pharmacology and Toxicology, College of Pharmacy, Hawler Medical University, Erbil, Iraq
| | - Mohammed Fatih Rasul
- Department of Pharmaceutical Basic Science, Tishk International University, Erbil, Kurdistan Region, Iraq
| | - Peixin Dong
- Department of Obstetrics and Gynecology, Hokkaido University School of Medicine, Hokkaido University, Sapporo, Japan
| | - Mohammad Taheri
- Institute of Human Genetics, Jena University Hospital, Jena, Germany
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Majid Samsami
- Cancer Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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4
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Khan IM, Khan SU, Sala HSS, Khan MU, Ud Din MA, Khan S, Hassan SSU, Khan NM, Liu Y. TME-targeted approaches of brain metastases and its clinical therapeutic evidence. Front Immunol 2023; 14:1131874. [PMID: 37228619 PMCID: PMC10204080 DOI: 10.3389/fimmu.2023.1131874] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 04/17/2023] [Indexed: 05/27/2023] Open
Abstract
The tumor microenvironment (TME), which includes both cellular and non-cellular elements, is now recognized as one of the major regulators of the development of primary tumors, the metastasis of which occurs to specific organs, and the response to therapy. Development of immunotherapy and targeted therapies have increased knowledge of cancer-related inflammation Since the blood-brain barrier (BBB) and blood-cerebrospinal fluid barrier (BCB) limit immune cells from entering from the periphery, it has long been considered an immunological refuge. Thus, tumor cells that make their way "to the brain were believed to be protected from the body's normal mechanisms of monitoring and eliminating them. In this process, the microenvironment and tumor cells at different stages interact and depend on each other to form the basis of the evolution of tumor brain metastases. This paper focuses on the pathogenesis, microenvironmental changes, and new treatment methods of different types of brain metastases. Through the systematic review and summary from macro to micro, the occurrence and development rules and key driving factors of the disease are revealed, and the clinical precision medicine of brain metastases is comprehensively promoted. Recent research has shed light on the potential of TME-targeted and potential treatments for treating Brain metastases, and we'll use that knowledge to discuss the advantages and disadvantages of these approaches.
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Affiliation(s)
- Ibrar Muhammad Khan
- Anhui Province Key Laboratory of Embryo Development and Reproduction Regulation, Anhui Province Key Laboratory of Environmental Hormone and Reproduction, School of Biological and Food Engineering, Fuyang Normal University, Fuyang, China
| | - Safir Ullah Khan
- Hefei National Laboratory for Physical Sciences at the Microscale, School of Life Sciences, University of Science and Technology of China, Hefei, China
| | - Hari Siva Sai Sala
- Anhui Province Key Laboratory of Embryo Development and Reproduction Regulation, Anhui Province Key Laboratory of Environmental Hormone and Reproduction, School of Biological and Food Engineering, Fuyang Normal University, Fuyang, China
| | - Munir Ullah Khan
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
| | | | - Samiullah Khan
- Institute of Entomology, Guizhou University, Scientific Observing and Experimental Station of Crop Pests, Guiyang, Ministry of Agricultural and Affairs, Guiyang, China
| | - Syed Shams ul Hassan
- Department of Natural Product Chemistry, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Nazir Muhammad Khan
- Department of Zoology, University of Science and Technology, Bannu, Pakistan
| | - Yong Liu
- Anhui Province Key Laboratory of Embryo Development and Reproduction Regulation, Anhui Province Key Laboratory of Environmental Hormone and Reproduction, School of Biological and Food Engineering, Fuyang Normal University, Fuyang, China
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5
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Godinho-Pereira J, Lopes MD, Garcia AR, Botelho HM, Malhó R, Figueira I, Brito MA. A Drug Screening Reveals Minocycline Hydrochloride as a Therapeutic Option to Prevent Breast Cancer Cells Extravasation across the Blood-Brain Barrier. Biomedicines 2022; 10:1988. [PMID: 36009536 PMCID: PMC9405959 DOI: 10.3390/biomedicines10081988] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/04/2022] [Accepted: 08/08/2022] [Indexed: 11/23/2022] Open
Abstract
Among breast cancer (BC) patients, 15-25% develop BC brain metastases (BCBM), a severe condition due to the limited therapeutic options, which points to the need for preventive strategies. We aimed to find a drug able to boost blood-brain barrier (BBB) properties and prevent BC cells (BCCs) extravasation, among PI3K, HSP90, and EGFR inhibitors and approved drugs. We used BCCs (4T1) and BBB endothelial cells (b.End5) to identify molecules with toxicity to 4T1 cells and safe for b.End5 cells. Moreover, we used those cells in mixed cultures to perform a high-throughput microscopy screening of drugs' ability to ameliorate BBB properties and prevent BCCs adhesion and migration across the endothelium, as well as to analyse miRNAs expression and release profiles. KW-2478, buparlisib, and minocycline hydrochloride (MH) promoted maximal expression of the junctional protein β-catenin and induced 4T1 cells nucleus changes. Buparlisib and MH further decreased 4T1 adhesion. MH was the most promising in preventing 4T1 migration and BBB disruption, tumour and endothelial cytoskeleton-associated proteins modifications, and miRNA deregulation. Our data revealed MH's ability to improve BBB properties, while compromising BCCs viability and interaction with BBB endothelial cells, besides restoring miRNAs' homeostasis, paving the way for MH repurposing for BCBM prevention.
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Affiliation(s)
- Joana Godinho-Pereira
- iMed—Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
- Department of Pharmaceutical Sciences and Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Margarida Dionísio Lopes
- iMed—Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
- Department of Pharmaceutical Sciences and Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Ana Rita Garcia
- iMed—Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
- Department of Pharmaceutical Sciences and Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Hugo M. Botelho
- BioISI—Biosystems and Integrative Sciences Institute, Faculty of Sciences, Universidade de Lisboa, Campo Grande, 1746-016 Lisbon, Portugal
| | - Rui Malhó
- BioISI—Biosystems and Integrative Sciences Institute, Faculty of Sciences, Universidade de Lisboa, Campo Grande, 1746-016 Lisbon, Portugal
| | - Inês Figueira
- iMed—Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
- Farm-ID—Faculty of Pharmacy Association for Research and Development, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Maria Alexandra Brito
- iMed—Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
- Department of Pharmaceutical Sciences and Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
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Microbiomics in Collusion with the Nervous System in Carcinogenesis: Diagnosis, Pathogenesis and Treatment. Microorganisms 2021; 9:microorganisms9102129. [PMID: 34683450 PMCID: PMC8538279 DOI: 10.3390/microorganisms9102129] [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: 08/19/2021] [Revised: 09/23/2021] [Accepted: 09/27/2021] [Indexed: 11/17/2022] Open
Abstract
The influence of the naturally occurring population of microbes on various human diseases has been a topic of much recent interest. Not surprisingly, continuously growing attention is devoted to the existence of a gut brain axis, where the microbiota present in the gut can affect the nervous system through the release of metabolites, stimulation of the immune system, changing the permeability of the blood–brain barrier or activating the vagus nerves. Many of the methods that stimulate the nervous system can also lead to the development of cancer by manipulating pathways associated with the hallmarks of cancer. Moreover, neurogenesis or the creation of new nervous tissue, is associated with the development and progression of cancer in a similar manner as the blood and lymphatic systems. Finally, microbes can secrete neurotransmitters, which can stimulate cancer growth and development. In this review we discuss the latest evidence that support the importance of microbiota and peripheral nerves in cancer development and dissemination.
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Godinho-Pereira J, Garcia AR, Figueira I, Malhó R, Brito MA. Behind Brain Metastases Formation: Cellular and Molecular Alterations and Blood-Brain Barrier Disruption. Int J Mol Sci 2021; 22:7057. [PMID: 34209088 PMCID: PMC8268492 DOI: 10.3390/ijms22137057] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 06/22/2021] [Accepted: 06/26/2021] [Indexed: 02/06/2023] Open
Abstract
Breast cancer (BC) brain metastases is a life-threatening condition to which accounts the poor understanding of BC cells' (BCCs) extravasation into the brain, precluding the development of preventive strategies. Thus, we aimed to unravel the players involved in the interaction between BCCs and blood-brain barrier (BBB) endothelial cells underlying BBB alterations and the transendothelial migration of malignant cells. We used brain microvascular endothelial cells (BMECs) as a BBB in vitro model, under conditions mimicking shear stress to improve in vivo-like BBB features. Mixed cultures were performed by the addition of fluorescently labelled BCCs to distinguish individual cell populations. BCC-BMEC interaction compromised BBB integrity, as revealed by junctional proteins (β-catenin and zonula occludens-1) disruption and caveolae (caveolin-1) increase, reflecting paracellular and transcellular hyperpermeability, respectively. Both BMECs and BCCs presented alterations in the expression pattern of connexin 43, suggesting the involvement of the gap junction protein. Myosin light chain kinase and phosphorylated myosin light chain were upregulated, revealing the involvement of the endothelial cytoskeleton in the extravasation process. β4-Integrin and focal adhesion kinase were colocalised in malignant cells, reflecting molecular interaction. Moreover, BCCs exhibited invadopodia, attesting migratory properties. Collectively, hub players involved in BC brain metastases formation were unveiled, disclosing possible therapeutic targets for metastases prevention.
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Affiliation(s)
- Joana Godinho-Pereira
- iMed.ULisboa—Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal; (J.G.-P.); (A.R.G.); (I.F.)
- Department of Pharmaceutical Sciences and Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Ana Rita Garcia
- iMed.ULisboa—Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal; (J.G.-P.); (A.R.G.); (I.F.)
- Department of Pharmaceutical Sciences and Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Inês Figueira
- iMed.ULisboa—Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal; (J.G.-P.); (A.R.G.); (I.F.)
- Farm-ID—Faculty of Pharmacy Association for Research and Development, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Rui Malhó
- BioISI—Biosystems and Integrative Sciences Institute, Faculty of Sciences, Universidade de Lisboa, Campo Grande 016, 1749-016 Lisbon, Portugal;
| | - Maria Alexandra Brito
- iMed.ULisboa—Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal; (J.G.-P.); (A.R.G.); (I.F.)
- Department of Pharmaceutical Sciences and Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
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Lv Y, Ma X, Du Y, Feng J. Understanding Patterns of Brain Metastasis in Triple-Negative Breast Cancer and Exploring Potential Therapeutic Targets. Onco Targets Ther 2021; 14:589-607. [PMID: 33519208 PMCID: PMC7837592 DOI: 10.2147/ott.s293685] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 01/06/2021] [Indexed: 12/13/2022] Open
Abstract
Triple-negative breast cancer (TNBC) is a highly malignant subtype of breast cancer. High invasiveness and heterogeneity, as well as a lack of drug targets, are the main factors leading to poor prognosis. Brain metastasis (BM) is a serious event threatening the life of breast cancer patients, especially those with TNBC. Compared with that for hormone receptor-positive and HER2-positive breast cancers, TNBC-derived BM (TNBCBM) occurs earlier and more frequently, and has a worse prognosis. There is no standard treatment for BM to date, and one is urgently required. In this review, we discuss the current knowledge regarding the developmental patterns of TNBCBM, focusing on the key events in BM formation. Specifically, we consider (i) the nature and function of TNBC cells; (ii) how TNBC cells cross the blood–brain barrier and form a fenestrated, more permeable blood–tumor barrier; (iii) the biological characteristics of TNBCBM; and (iv) the infiltration and colonization of the central nervous system (CNS) by TNBC cells, including the establishment of premetastatic niches, immunosurveillance escape, and metabolic adaptations. We also discuss putative therapeutic targets and precision therapy with the greatest potential to treat TNBCBM, and summarize the relevant completed and ongoing clinical trials. These findings may provide new insights into the prevention and treatment of BM in TNBC patients.
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Affiliation(s)
- Yan Lv
- The Affiliated Cancer Hospital of Nanjing Medical University, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing 210009, People's Republic of China
| | - Xiao Ma
- Department of General Surgery, The Affiliated Zhongda Hospital of Southeast University, Nanjing 210009, People's Republic of China
| | - Yuxin Du
- The Affiliated Cancer Hospital of Nanjing Medical University, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing 210009, People's Republic of China
| | - Jifeng Feng
- The Affiliated Cancer Hospital of Nanjing Medical University, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing 210009, People's Republic of China
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Curtaz CJ, Schmitt C, Blecharz-Lang KG, Roewer N, Wöckel A, Burek M. Circulating MicroRNAs and Blood-Brain-Barrier Function in Breast Cancer Metastasis. Curr Pharm Des 2020; 26:1417-1427. [PMID: 32175838 PMCID: PMC7475800 DOI: 10.2174/1381612826666200316151720] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Accepted: 02/26/2020] [Indexed: 12/24/2022]
Abstract
Brain metastases are a major cause of death in breast cancer patients. A key event in the metastatic progression of breast cancer in the brain is the migration of cancer cells across the blood-brain barrier (BBB). The BBB is a natural barrier with specialized functions that protect the brain from harmful substances, including anti-tumor drugs. Extracellular vesicles (EVs) sequestered by cells are mediators of cell-cell communication. EVs carry cellular components, including microRNAs that affect the cellular processes of target cells. Here, we summarize the knowledge about microRNAs known to play a significant role in breast cancer and/or in the BBB function. In addition, we describe previously established in vitro BBB models, which are a useful tool for studying molecular mechanisms involved in the formation of brain metastases.
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Affiliation(s)
- Carolin J Curtaz
- Department of Gynecology and Obstetrics, University of Würzburg, Würzburg, Germany
| | - Constanze Schmitt
- Department of Anaesthesia and Critical Care, University of Würzburg, 97080 Würzburg, Germany
| | - Kinga G Blecharz-Lang
- Department of Experimental Neurosurgery, Charite - Universitätsmedizin, Berlin, Germany
| | - Norbert Roewer
- Department of Anaesthesia and Critical Care, University of Würzburg, 97080 Würzburg, Germany
| | - Achim Wöckel
- Department of Gynecology and Obstetrics, University of Würzburg, Würzburg, Germany
| | - Malgorzata Burek
- Department of Anaesthesia and Critical Care, University of Würzburg, 97080 Würzburg, Germany
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10
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Harati R, Hafezi S, Mabondzo A, Tlili A. Silencing miR-202-3p increases MMP-1 and promotes a brain invasive phenotype in metastatic breast cancer cells. PLoS One 2020; 15:e0239292. [PMID: 33002044 PMCID: PMC7529272 DOI: 10.1371/journal.pone.0239292] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 09/03/2020] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Brain metastasis (BM) is a major cause of morbidity and mortality in breast cancer (BC) and its molecular mechanism remains poorly understood. Transmigration of metastatic cells through the brain endothelium is an essential step in BM. Metalloproteinase-1 (MMP-1) overexpression plays a key role in promoting trans-endothelial migration by degrading the inter-endothelial junctions and disrupting the endothelial integrity. However, little is known about the molecular mechanisms that induce MMP-1 in metastatic cells granting them a brain invasive phenotype. MiR-202-3p is downregulated in brain metastases compared to primary breast tumors and directly targets MMP-1. Here, we unraveled a critical role of miR-202-3p loss in MMP-1 upregulation promoting transmigration of metastatic cells through the brain endothelium. METHODS A variant of the MDA-MB-231 human BC cell line (MDA-MB-231-BrM2) selected for its propensity to form brain metastases was found to express high levels of MMP-1 and low levels of miR-202-3p compared to the parental cells. Using a gain-and-loss of function approach, we modulated levels of miR-202-3p and examined the resultant effect on MMP-1 expression. Effect of miR-202-3p modulation on integrity of the brain endothelium and the transmigrative ability of BC cells were also examined. RESULTS Loss of miR-202-3p in breast cancer cells enhanced their transmigration through the brain endothelium by upregulating MMP-1 and disrupting the inter-endothelial junctions (claudin-5, ZO-1 and ß-catenin). Restoring miR-202-3p exerted a metastasis-suppressive effect and preserved the endothelial barrier integrity. CONCLUSIONS Our study identified a critical regulatory role of miR-202-3p in brain metastasis and shed light on miR-202-3p/MMP-1 axis as a novel prognostic and therapeutic target that can be exploited to predict and prevent brain metastasis in breast cancer patients.
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Affiliation(s)
- Rania Harati
- Department of Pharmacy Practice and Pharmacotherapeutics, College of Pharmacy, University of Sharjah, Sharjah, United Arab Emirates
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | - Shirin Hafezi
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | - Aloïse Mabondzo
- Department of Medicines and Healthcare Technologies, CEA, Paris-Saclay University, Gif-sur-Yvette, France
| | - Abdelaziz Tlili
- Department of Applied Biology, College of Sciences, University of Sharjah, Sharjah, United Arab Emirates
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11
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Drug resistance occurred in a newly characterized preclinical model of lung cancer brain metastasis. BMC Cancer 2020; 20:292. [PMID: 32264860 PMCID: PMC7137432 DOI: 10.1186/s12885-020-06808-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 03/30/2020] [Indexed: 12/11/2022] Open
Abstract
Background Cancer metastasis and drug resistance have traditionally been studied separately, though these two lethal pathological phenomena almost always occur concurrently. Brain metastasis occurs in a large proportion of lung cancer patients (~ 30%). Once diagnosed, patients have a poor prognosis surviving typically less than 1 year due to lack of treatment efficacy. Methods Human metastatic lung cancer cells (PC-9-Br) were injected into the left cardiac ventricle of female athymic nude mice. Brain lesions were allowed to grow for 21 days, animals were then randomized into treatment groups and treated until presentation of neurological symptoms or when moribund. Prior to tissue collection mice were injected with Oregon Green and 14C-Aminoisobutyric acid followed by an indocyanine green vascular washout. Tracer accumulation was determined by quantitative fluorescent microscopy and quantitative autoradiography. Survival was tracked and tumor burden was monitored via bioluminescent imaging. Extent of mutation differences and acquired resistance was measured in-vitro through half-maximal inhibitory assays and qRT-PCR analysis. Results A PC-9 brain seeking line (PC-9-Br) was established. Mice inoculated with PC-9-Br resulted in a decreased survival time compared with mice inoculated with parental PC-9. Non-targeted chemotherapy with cisplatin and etoposide (51.5 days) significantly prolonged survival of PC-9-Br brain metastases in mice compared to vehicle control (42 days) or cisplatin and pemetrexed (45 days). Further in-vivo imaging showed greater tumor vasculature in mice treated with cisplatin and etoposide compared to non-tumor regions, which was not observed in mice treated with vehicle or cisplatin and pemetrexed. More importantly, PC-9-Br showed significant resistance to gefitinib by in-vitro MTT assays (IC50 > 2.5 μM at 48 h and 0.1 μM at 72 h) compared with parental PC-9 (IC50: 0.75 μM at 48 h and 0.027 μM at 72 h). Further studies on the molecular mechanisms of gefitinib resistance revealed that EGFR and phospho-EGFR were significantly decreased in PC-9-Br compared with PC-9. Expression of E-cadherin and vimentin did not show EMT in PC-9-Br compared with parental PC-9, and PC-9-Br had neither a T790M mutation nor amplifications of MET and HER2 compared with parental PC-9. Conclusion Our study demonstrated that brain metastases of lung cancer cells may independently prompt drug resistance without drug treatment.
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12
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Luu AM, Künzli B, Hoehn P, Munding J, Lukas C, Uhl W, Braumann C. Prognostic value and impact of cerebral metastases in pancreatic cancer. Acta Chir Belg 2020; 120:30-34. [PMID: 30614389 DOI: 10.1080/00015458.2018.1549379] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Background: Pancreatic cancer is a fatal disease most often diagnosed at an advanced stage. Most patients already suffer from irresectable tumor or distant metastases being most commonly found in the liver or the lung. However, cerebral metastases occur extremely rare.Methods: We performed a retrospective analysis of our database to identify all patients diagnosed with pancreatic cancer and cerebral metastases who underwent surgical treatment in our department from January 2004 to November 2016.Results: Only 0.2% (4 of 2492) were diagnosed with cerebral metastases. Two patients had surgical resection of the cerebral metastases. One patient underwent palliative radiation therapy and the fourth patient received only palliative therapy. Mean interval between initial diagnosis and development of brain metastases was 8.5 months (range 1-20). Mean survival period after diagnosis of brain metastases was 4.75 months (range 1-10).Conclusions: Cerebral metastases of pancreatic cancer occur extremely rare. They are associated with an advanced tumor stage, commonly liver and lung metastases. All patients presenting with neurological symptoms, multifocal metastases, and significantly elevated CA 19-9 levels are suspicious of sustaining cerebral metastases and should undergo brain imaging.
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Affiliation(s)
- Andreas Minh Luu
- Department of General and Visceral Surgery, St. Josef-Hospital, Ruhr-University Bochum, Bochum, Germany
| | - Beat Künzli
- Department of General and Visceral Surgery, St. Josef-Hospital, Ruhr-University Bochum, Bochum, Germany
| | - Philipp Hoehn
- Department of General and Visceral Surgery, St. Josef-Hospital, Ruhr-University Bochum, Bochum, Germany
| | - Johanna Munding
- Department of Pathology, University-Hospital Bergmannsheil, Ruhr-University Bochum, Bochum, Germany
| | - Carsten Lukas
- Department of Radiology, St. Josef-Hospital, Ruhr-University Bochum, Bochum, Germany
| | - Waldemar Uhl
- Department of General and Visceral Surgery, St. Josef-Hospital, Ruhr-University Bochum, Bochum, Germany
| | - Chris Braumann
- Department of General and Visceral Surgery, St. Josef-Hospital, Ruhr-University Bochum, Bochum, Germany
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13
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Bernatz S, Ilina EI, Devraj K, Harter PN, Mueller K, Kleber S, Braun Y, Penski C, Renner C, Halder R, Jennewein L, Solbach C, Thorsen F, Pestalozzi BC, Mischo A, Mittelbronn M. Impact of Docetaxel on blood-brain barrier function and formation of breast cancer brain metastases. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2019; 38:434. [PMID: 31665089 PMCID: PMC6819416 DOI: 10.1186/s13046-019-1427-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Accepted: 09/23/2019] [Indexed: 01/17/2023]
Abstract
BACKGROUND Breast cancer (BC) is the most frequent malignant tumor in females and the 2nd most common cause of brain metastasis (BM), that are associated with a fatal prognosis. The increasing incidence from 10% up to 40% is due to more effective treatments of extracerebral sites with improved prognosis and increasing use of MRI in diagnostics. A frequently administered, potent chemotherapeutic group of drugs for BC treatment are taxanes usually used in the adjuvant and metastatic setting, which, however, have been suspected to be associated with a higher incidence of BM. The aim of our study was to experimentally analyze the impact of the taxane docetaxel (DTX) on brain metastasis formation, and to elucidate the underlying molecular mechanism. METHODS A monocentric patient cohort was analyzed to determine the association of taxane treatment and BM formation. To identify the specific impact of DTX, a murine brain metastatic model upon intracardial injection of breast cancer cells was conducted. To approach the functional mechanism, dynamic contrast-enhanced MRI and electron microscopy of mice as well as in-vitro transendothelial electrical resistance (TEER) and tracer permeability assays using brain endothelial cells (EC) were carried out. PCR-based, immunohistochemical and immunoblotting analyses with additional RNA sequencing of murine and human ECs were performed to explore the molecular mechanisms by DTX treatment. RESULTS Taxane treatment was associated with an increased rate of BM formation in the patient cohort and the murine metastatic model. Functional studies did not show unequivocal alterations of blood-brain barrier properties upon DTX treatment in-vivo, but in-vitro assays revealed a temporary DTX-related barrier disruption. We found disturbance of tubulin structure and upregulation of tight junction marker claudin-5 in ECs. Furthermore, upregulation of several members of the tubulin family and downregulation of tetraspanin-2 in both, murine and human ECs, was induced. CONCLUSION In summary, a higher incidence of BM was associated with prior taxane treatment in both a patient cohort and a murine mouse model. We could identify tubulin family members and tetraspanin-2 as potential contributors for the destabilization of the blood-brain barrier. Further analyses are needed to decipher the exact role of those alterations on tumor metastatic processes in the brain.
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Affiliation(s)
- Simon Bernatz
- Edinger Institute, Institute of Neurology, University of Frankfurt am Main, Frankfurt, Germany
| | - Elena I Ilina
- Edinger Institute, Institute of Neurology, University of Frankfurt am Main, Frankfurt, Germany.,Luxembourg Center of Neuropathology (LCNP), Luxembourg, Luxembourg.,Department of Oncology, Luxembourg Institute of Health (LIH), NORLUX Neuro-Oncology Laboratory, Luxembourg, Luxembourg
| | - Kavi Devraj
- Edinger Institute, Institute of Neurology, University of Frankfurt am Main, Frankfurt, Germany.,Frankfurt Cancer Institute (FCI), Frankfurt am Main, Germany
| | - Patrick N Harter
- Edinger Institute, Institute of Neurology, University of Frankfurt am Main, Frankfurt, Germany.,Frankfurt Cancer Institute (FCI), Frankfurt am Main, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany.,German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Klaus Mueller
- Edinger Institute, Institute of Neurology, University of Frankfurt am Main, Frankfurt, Germany
| | - Sascha Kleber
- Oncology Centre Hirslanden and Zurich, Zurich, Switzerland
| | - Yannick Braun
- Edinger Institute, Institute of Neurology, University of Frankfurt am Main, Frankfurt, Germany
| | - Cornelia Penski
- Edinger Institute, Institute of Neurology, University of Frankfurt am Main, Frankfurt, Germany
| | | | - Rashi Halder
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, Esch-sur-Alzette, Luxembourg
| | - Lukas Jennewein
- Department of Gynecology and Obstetrics, School of Medicine, J. W. Goethe-University, Theodor-Stern-Kai 7, D-60590, Frankfurt, Germany
| | - Christine Solbach
- Department of Gynecology and Obstetrics, School of Medicine, J. W. Goethe-University, Theodor-Stern-Kai 7, D-60590, Frankfurt, Germany
| | - Frits Thorsen
- KG Jebsen Brain Tumor Research Centre, University of Bergen, Bergen, Norway.,Molecular Imaging Center, Department of Biomedicine, University of Bergen, Bergen, Norway
| | - Bernhard C Pestalozzi
- Department of Medical Oncology and Hematology, University Hospital Zurich (USZ), Rämistrasse 100, CH-8891, Zurich, Switzerland
| | - Axel Mischo
- Department of Medical Oncology and Hematology, University Hospital Zurich (USZ), Rämistrasse 100, CH-8891, Zurich, Switzerland.
| | - Michel Mittelbronn
- Edinger Institute, Institute of Neurology, University of Frankfurt am Main, Frankfurt, Germany. .,Luxembourg Center of Neuropathology (LCNP), Luxembourg, Luxembourg. .,Department of Oncology, Luxembourg Institute of Health (LIH), NORLUX Neuro-Oncology Laboratory, Luxembourg, Luxembourg. .,Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, Esch-sur-Alzette, Luxembourg. .,National Center of Pathology (NCP), Luxembourg Center of Neuropathology (LCNP), Laboratoire national de santé (LNS), 1, Rue Louis Rech, L-3555, Dudelange, Luxembourg.
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14
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Lu X, Qi X, Yi X, Jian Z, Gao T. Transcellular traversal of the blood-brain barrier by the pathogenic Propionibacterium acnes. J Cell Biochem 2019; 120:8457-8465. [PMID: 30485522 DOI: 10.1002/jcb.28132] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Accepted: 10/31/2018] [Indexed: 01/24/2023]
Abstract
BACKGROUND Propionibacterium acnes (P. acnes) is an anaerobe commonly stay in the body as part of the commensal microbiota, and a dominant bacterium of the human skin and hair follicles. It has been found that this bacterium could participate in brain inflammation that causes Alzheimer's disease (AD) and Parkinson's disease (PD). But how P. acnes invade the brain remains elusive. METHODS We established the in vitro blood-brain barrier (BBB) model by culturing the HBMEC/D3 cell line on collagen-coated PFTE membrane. The BBB model was verified by the transepithelial electrical resistance (TEER) and horseradish peroxidase (HRP) permeability rate, and observed by the scanning electron microscope (SEM), transmission electron microscope (TEM), as well as confocal microscope. The P. acnes was then cocultured with the in vitro BBB model and the permeability of P. acnes was measured by counting the bacteria clones collected from the lower chamber of the model. RESULTS High local concentration of P. acnes invaded the in vitro BBB model through the transcellular traversal pathway. The permeability for P. acnes was increased by the treatment of lipopolysaccharide (LPS), but not mannitol. P. acnes invasion elevated the expression of cell adhesion molecules E-selectin, ICAM-1, and VCAM-1 in HBMEC cells. CONCLUSION P. acnes has the ability to penetrate the brain though transcellular invasion of the blood-brain barrier.
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Affiliation(s)
- Xuetao Lu
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Xianlong Qi
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Xiuli Yi
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Zhe Jian
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Tianwen Gao
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
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15
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Hypoxia-Induced MicroRNA-212/132 Alter Blood-Brain Barrier Integrity Through Inhibition of Tight Junction-Associated Proteins in Human and Mouse Brain Microvascular Endothelial Cells. Transl Stroke Res 2019; 10:672-683. [PMID: 30617994 PMCID: PMC6842347 DOI: 10.1007/s12975-018-0683-2] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 11/26/2018] [Accepted: 12/21/2018] [Indexed: 12/13/2022]
Abstract
Blood-brain barrier (BBB) integrity is one of the important elements of central nervous system (CNS) homeostasis. MicroRNAs (miRs) have been demonstrated to play a role in many CNS disorders such as stroke and traumatic brain injury. MiR-212/132 are highly expressed in the CNS but their role at the BBB has not been characterized yet. Thus, we analyzed the expression of miR-212/132 in hypoxic mouse and human brain microvascular endothelial cells (BMEC) as well as in posttraumatic mouse and human brain tissue and serum exosomes. MiR-212/132 expression was detected in brain capillaries by in situ hybridization and was increased up to ten times in hypoxic BMEC. Over-expression of pre-miR-212/132 in BMEC decreased barrier properties and reduced migration of BMEC in the wound healing assay. We identified and validated tight junction proteins claudin-1 (Cldn1), junctional adhesion molecule 3 (Jam3), and tight junction-associated protein 1 (Tjap1) as potential miR-212/132 targets. Over-expression of miRs led to a decrease in mRNA and protein expression of Cldn1, Jam3, and Tjap1, which could be rescued by a respective anti-miR. In conclusion, our study identifies miR-212/132 as critical players at the hypoxic BBB. In addition, we propose three new direct miR-212/132 targets to be involved in miR-212/132-mediated effects on BBB properties.
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16
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Xu ZH, Miao ZW, Jiang QZ, Gan DX, Wei XG, Xue XZ, Li JQ, Zheng F, Qin XX, Fang WG, Chen YH, Li B. Brain microvascular endothelial cell exosome–mediated S100A16 up‐regulation confers small‐cell lung cancer cell survival in brain. FASEB J 2018; 33:1742-1757. [DOI: 10.1096/fj.201800428r] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Zhi-Hua Xu
- Department of Developmental BiologyKey Laboratory of Cell BiologyMinistry of Public HealthKey Laboratory of Medical Cell BiologyMinistry of EducationChina Medical UniversityShenyangChina
| | - Zi-Wei Miao
- Department of Developmental BiologyKey Laboratory of Cell BiologyMinistry of Public HealthKey Laboratory of Medical Cell BiologyMinistry of EducationChina Medical UniversityShenyangChina
| | - Qian-Zhu Jiang
- Department of Developmental BiologyKey Laboratory of Cell BiologyMinistry of Public HealthKey Laboratory of Medical Cell BiologyMinistry of EducationChina Medical UniversityShenyangChina
| | - Dong-Xue Gan
- Department of Developmental BiologyKey Laboratory of Cell BiologyMinistry of Public HealthKey Laboratory of Medical Cell BiologyMinistry of EducationChina Medical UniversityShenyangChina
| | - Xu-Ge Wei
- Department of Developmental BiologyKey Laboratory of Cell BiologyMinistry of Public HealthKey Laboratory of Medical Cell BiologyMinistry of EducationChina Medical UniversityShenyangChina
| | - Xiao-Zhi Xue
- Department of Clinical MedicineChina Medical UniversityShenyangChina
| | - Jue-Qi Li
- Department of Clinical MedicineChina Medical UniversityShenyangChina
| | - Fei Zheng
- Department of Clinical MedicineChina Medical UniversityShenyangChina
| | - Xiao-Xue Qin
- Department of Developmental BiologyKey Laboratory of Cell BiologyMinistry of Public HealthKey Laboratory of Medical Cell BiologyMinistry of EducationChina Medical UniversityShenyangChina
| | - Wen-Gang Fang
- Department of Developmental BiologyKey Laboratory of Cell BiologyMinistry of Public HealthKey Laboratory of Medical Cell BiologyMinistry of EducationChina Medical UniversityShenyangChina
| | - Yu-Hua Chen
- Department of Developmental BiologyKey Laboratory of Cell BiologyMinistry of Public HealthKey Laboratory of Medical Cell BiologyMinistry of EducationChina Medical UniversityShenyangChina
| | - Bo Li
- Department of Developmental BiologyKey Laboratory of Cell BiologyMinistry of Public HealthKey Laboratory of Medical Cell BiologyMinistry of EducationChina Medical UniversityShenyangChina
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17
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Abstract
The incidence of melanoma continues to rise worldwide. Prior to 2010, there had been no progress in the treatment of advanced melanoma in living memory. Since then, immunotherapy has become a standard of care in the treatment of advanced melanoma. Nivolumab is a fully human monoclonal antibody against PD-1, which is a negative regulatory checkpoint in the T cells. The clinical benefit of nivolumab as a single agent is well established, with response rates of ≥40%, durable responses and a favorable tolerability profile. The combination of nivolumab and ipilimumab has also become a standard of care and the role of nivolumab in the adjuvant setting for high-risk patients has been recently confirmed.
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Affiliation(s)
- Fabio Gomes
- The Christie NHS Foundation Trust, Manchester, UK
| | | | - Paul Lorigan
- The Christie NHS Foundation Trust, Manchester, UK
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18
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Zhang X, Wang F, Shen Q, Xie C, Liu Y, Pan J, Lu W. Structure Reconstruction of LyP-1: Lc(LyP-1) Coupling by Amide Bond Inspires the Brain Metastatic Tumor Targeted Drug Delivery. Mol Pharm 2017; 15:430-436. [DOI: 10.1021/acs.molpharmaceut.7b00801] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xiaoyu Zhang
- Department of Pharmaceutics,
School of Pharmacy, and Key Laboratory of Smart Drug Delivery, Fudan University, Ministry of
Education, Shanghai 201203, China
- State Key Laboratory of Medical Neurobiology,
and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai 200032, China
| | - Fei Wang
- Department of Pharmaceutics,
School of Pharmacy, and Key Laboratory of Smart Drug Delivery, Fudan University, Ministry of
Education, Shanghai 201203, China
- State Key Laboratory of Medical Neurobiology,
and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai 200032, China
| | - Qing Shen
- Department of Pharmaceutics,
School of Pharmacy, and Key Laboratory of Smart Drug Delivery, Fudan University, Ministry of
Education, Shanghai 201203, China
- State Key Laboratory of Medical Neurobiology,
and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai 200032, China
| | - Cao Xie
- Department of Pharmaceutics,
School of Pharmacy, and Key Laboratory of Smart Drug Delivery, Fudan University, Ministry of
Education, Shanghai 201203, China
- State Key Laboratory of Medical Neurobiology,
and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai 200032, China
| | - Yu Liu
- Department of Pharmaceutics,
School of Pharmacy, and Key Laboratory of Smart Drug Delivery, Fudan University, Ministry of
Education, Shanghai 201203, China
- State Key Laboratory of Medical Neurobiology,
and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai 200032, China
| | - Jun Pan
- Department of Pharmaceutics,
School of Pharmacy, and Key Laboratory of Smart Drug Delivery, Fudan University, Ministry of
Education, Shanghai 201203, China
- State Key Laboratory of Medical Neurobiology,
and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai 200032, China
| | - Weiyue Lu
- Department of Pharmaceutics,
School of Pharmacy, and Key Laboratory of Smart Drug Delivery, Fudan University, Ministry of
Education, Shanghai 201203, China
- State Key Laboratory of Medical Neurobiology,
and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai 200032, China
- Minhang Branch, Zhongshan Hospital and Institute of Fudan-Minghang
Academic Health System, Minghang Hospital, Fudan University, Shanghai 201199, China
- Institutes of Integrative Medicine of Fudan University, Shanghai 200040, China
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19
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Thuringer D, Solary E, Garrido C. The Microvascular Gap Junction Channel: A Route to Deliver MicroRNAs for Neurological Disease Treatment. Front Mol Neurosci 2017; 10:246. [PMID: 28824376 PMCID: PMC5543088 DOI: 10.3389/fnmol.2017.00246] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 07/24/2017] [Indexed: 12/25/2022] Open
Abstract
Brain microvascular endothelial cells (BMECs) separate the peripheral blood from the brain. These cells, which are surrounded by basal lamina, pericytes and glial cells, are highly interconnected through tight and gap junctions. Their permeability properties restrict the transfer of potentially useful therapeutic agents. In such a hermetic system, the gap junctional exchange of small molecules between cerebral endothelial and non-endothelial cells is crucial for maintaining tissue homeostasis. MicroRNA were shown to cross gap junction channels, thereby modulating gene expression and function of the recipient cell. It was also shown that, when altered, BMEC could be regenerated by endothelial cells derived from pluripotent stem cells. Here, we discuss the transfer of microRNA through gap junctions between BMEC, the regeneration of BMEC from induced pluripotent stem cells that could be engineered to express specific microRNA, and how such an innovative approach could benefit to the treatment of glioblastoma and other neurological diseases.
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Affiliation(s)
| | - Eric Solary
- INSERM U1170, Institut Gustave RoussyVillejuif, France
| | - Carmen Garrido
- INSERM U1231, Université de Bourgogne Franche ComtéDijon, France
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20
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Abstract
Seventy percent of cancer patients have detectable metastases when they receive a diagnosis and 90% of cancer deaths result from metastases. These two facts emphasise the urgency for research to study the mechanisms and processes that enable metastasis. We need to develop a greater understanding of the cellular and molecular mechanisms that cause metastasis and also we need to do more. We must also consider the micro- and macro-environmental factors that influence this disease. Studying this environmental context has led us to update the ‘seed and soil’ hypothesis which dates back to the 19th century. This theory describes cancerous cells as seeds and the substrate as the soil in target organs though this may seem antiquated. Nonetheless, the tissue specificity that researchers have recently observed in metastatic colonisation supports the validity of the seed and soil theory. We now know that the metastatic potential of a tumour cell depends on multiple, reciprocal interactions between the primary tumour and distant sites. These interactions determine tumour progression. Studies of metastasis have allowed us to develop treatments that focus on therapeutic effectiveness. These new treatments account for the frequent metastasis of some tumours to target organs such as bones, lungs, brain, and liver. The purpose of this review is first to describe interactions between the cellular and molecular entities and the target organ tumour environment that enables metastasis. A second aim is to describe the complex mechanisms that mediate these interactions.
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Affiliation(s)
- Francisco Arvelo
- Life Sciences Centre, Institute for Advanced Studies Foundation [Fundación Instituto de Estudios Avanzado]-IDEA, Apartado 17606, Caracas 1015-A, Venezuela; Tumour Biology Culture and Tissue Laboratory, Experimental Biology Institute, Central University of Venezuela, Apartado Apartado 47114, Caracas 1041-A, Venezuela
| | - Felipe Sojo
- Life Sciences Centre, Institute for Advanced Studies Foundation [Fundación Instituto de Estudios Avanzado]-IDEA, Apartado 17606, Caracas 1015-A, Venezuela
| | - Carlos Cotte
- Tumour Biology Culture and Tissue Laboratory, Experimental Biology Institute, Central University of Venezuela, Apartado Apartado 47114, Caracas 1041-A, Venezuela
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21
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Abstract
The past decade has witnessed impressive advances in cancer treatment ushered in by targeted and immunotherapies. However, with significantly prolonged survival, upon recurrence, more patients become inflicted by brain metastasis, which is mostly refractory to all currently available therapeutic regimens. Historically, brain metastasis is an understudied area in cancer research, partly due to the dearth of appropriate experimental models that closely simulate the special biological features of metastasis in the unique brain environment and to the sophistication of techniques required to perform in-depth studies of the extremely complex and challenging brain metastasis. Yet, with increasing clinical demand for more effective treatment options, brain metastasis research has rapidly advanced in recent years. The present review spotlights the recent major progresses in basic and translational studies of brain metastasis with focuses on new animal models, novel imaging technologies, omics "big data" resources, and some new and exciting biological insights on brain metastasis.
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Vinorelbine Delivery and Efficacy in the MDA-MB-231BR Preclinical Model of Brain Metastases of Breast Cancer. Pharm Res 2016; 33:2904-2919. [PMID: 27541873 DOI: 10.1007/s11095-016-2012-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Accepted: 07/29/2016] [Indexed: 02/02/2023]
Abstract
PURPOSE To evaluate vinorelbine drug exposure and activity in brain metastases of the human MDA-MB-231BR breast cancer model using integrated imaging and analysis. METHODS Brain and systemic metastases were created by administration of cancer cells in female NuNu mice. After metastases developed, animals were administered vinorelbine at the maximal tolerated dose (12 mg/kg), and were evaluated thereafter for total and unbound drug pharmacokinetics, biomarker TUNEL staining, and barrier permeability to Texas red. RESULTS Median brain metastasis drug exposure was 4-fold greater than normal brain, yet only ~8% of non-barrier systemic metastases, which suggests restricted brain exposure. Unbound vinorelbine tissue/plasma partition coefficient, Kp,uu, equaled ~1.0 in systemic metastases, but 0.03-0.22 in brain metastases, documenting restricted equilibration. In select sub-regions of highest drug-uptake brain metastases, Kp,uu approached 1.0, indicating complete focal barrier breakdown. Most vinorelbine-treated brain metastases exhibited little or no positive early apoptosis TUNEL staining in vivo. The in vivo unbound vinorelbine IC50 for TUNEL-positive staining (56 nM) was 4-fold higher than that measured in vitro (14 nM). Consistent with this finding, P-glycoprotein expression was observed to be substantially upregulated in brain metastasis cells in vivo. CONCLUSIONS Vinorelbine exposure at maximum tolerated dose was less than one-tenth that in systemic metastases in >70% of brain metastases, and was associated with negligible biomarker effect. In small subregions of the highest uptake brain metastases, compromise of blood-tumor barrier appeared complete. The results suggest that restricted delivery accounts for 80% of the compromise in drug efficacy for vinorelbine against this model.
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Osswald M, Blaes J, Liao Y, Solecki G, Gömmel M, Berghoff AS, Salphati L, Wallin JJ, Phillips HS, Wick W, Winkler F. Impact of Blood-Brain Barrier Integrity on Tumor Growth and Therapy Response in Brain Metastases. Clin Cancer Res 2016; 22:6078-6087. [PMID: 27521448 DOI: 10.1158/1078-0432.ccr-16-1327] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 07/22/2016] [Accepted: 07/28/2016] [Indexed: 11/16/2022]
Abstract
PURPOSE The role of blood-brain barrier (BBB) integrity for brain tumor biology and therapy is a matter of debate. EXPERIMENTAL DESIGN We developed a new experimental approach using in vivo two-photon imaging of mouse brain metastases originating from a melanoma cell line to investigate the growth kinetics of individual tumor cells in response to systemic delivery of two PI3K/mTOR inhibitors over time, and to study the impact of microregional vascular permeability. The two drugs are closely related but differ regarding a minor chemical modification that greatly increases brain penetration of one drug. RESULTS Both inhibitors demonstrated a comparable inhibition of downstream targets and melanoma growth in vitro In vivo, increased BBB permeability to sodium fluorescein was associated with accelerated growth of individual brain metastases. Melanoma metastases with permeable microvessels responded similarly to equivalent doses of both inhibitors. In contrast, metastases with an intact BBB showed an exclusive response to the brain-penetrating inhibitor. The latter was true for macro- and micrometastases, and even single dormant melanoma cells. Nuclear morphology changes and single-cell regression patterns implied that both inhibitors, if extravasated, target not only perivascular melanoma cells but also those distant to blood vessels. CONCLUSIONS Our study provides the first direct evidence that nonpermeable brain micro- and macrometastases can effectively be targeted by a drug designed to cross the BBB. Small-molecule inhibitors with these optimized properties are promising agents in preventing or treating brain metastases in patients. Clin Cancer Res; 22(24); 6078-87. ©2016 AACRSee related commentary by Steeg et al., p. 5953.
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Affiliation(s)
- Matthias Osswald
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg, Heidelberg, Germany.,Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jonas Blaes
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg, Heidelberg, Germany.,Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Yunxiang Liao
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg, Heidelberg, Germany.,Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Gergely Solecki
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg, Heidelberg, Germany.,Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Miriam Gömmel
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg, Heidelberg, Germany.,Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Anna S Berghoff
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg, Heidelberg, Germany.,Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Laurent Salphati
- Department of Drug Metabolism and Pharmacokinetics, Genentech, Inc., South San Francisco, California
| | - Jeffrey J Wallin
- Department of Cancer Signaling and Translational Oncology, Genentech, Inc., South San Francisco, California
| | - Heidi S Phillips
- Department of Cancer Signaling and Translational Oncology, Genentech, Inc., South San Francisco, California
| | - Wolfgang Wick
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg, Heidelberg, Germany.,Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Frank Winkler
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg, Heidelberg, Germany. .,Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
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