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      The role of caveolin-1 in tumors of the brain - functional and clinical implications.

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          Abstract

          Caveolin-1 (cav-1) is the major structural protein of caveolae, the flask-shaped invaginations of the plasma membrane mainly involved in cell signaling. Today, cav-1 is believed to play a role in a variety of disease processes including cancer, owing to the variations of its expression in association with tumor progression, invasive behavior, metastasis and therapy resistance. Since first detected in the brain, a number of studies has particularly focused on the role of cav-1 in the various steps of brain tumorigenesis. In this review, we discuss the different roles of cav-1 and its contributions to the molecular mechanisms underlying the pathobiology and natural behavior of brain tumors including glial, non-glial and metastatic subtypes. These contributions could be attributed to its co-localization with important players in tumorigenesis within the lipid-enriched domains of the plasma membrane. In that regard, the ability of cav-1 to interact with various cell signaling molecules as well as the impact of caveolae depletion on important pathways acting in brain tumor pathogenesis are noteworthy. We also discuss conversant causes hampering the treatment of malignant glial tumors such as limited transport of chemotherapeutics across the blood tumor barrier and resistance to chemoradiotherapy, by focusing on the molecular fundamentals involving cav-1 participation.

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          Author and article information

          Journal
          Cell Oncol (Dordr)
          Cellular oncology (Dordrecht)
          Springer Science and Business Media LLC
          2211-3436
          2211-3428
          Aug 2019
          : 42
          : 4
          Affiliations
          [1 ] Department of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, 92354, USA.
          [2 ] Department of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, 92354, USA. johnzhang3910@yahoo.com.
          [3 ] Department of Anesthesiology, Loma Linda University School of Medicine, Loma Linda, CA, 92354, USA. johnzhang3910@yahoo.com.
          [4 ] Department of Neurology, Loma Linda University School of Medicine, Loma Linda, CA, 92354, USA. johnzhang3910@yahoo.com.
          [5 ] Department of Neurosurgery, Loma Linda University School of Medicine, Loma Linda, CA, 92354, USA. johnzhang3910@yahoo.com.
          Article
          10.1007/s13402-019-00447-x
          10.1007/s13402-019-00447-x
          30993541
          5cd671e9-81ee-47d8-91db-af6c56d84518
          History

          Blood brain barrier,Brain tumor,Caveolin-1,Glioma
          Blood brain barrier, Brain tumor, Caveolin-1, Glioma

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