Mechanisms of Local Immunoresistance in Glioma

Emilia Albesiano, James E. Han, Michael Lim

Research output: Contribution to journalReview articlepeer-review

62 Scopus citations


Even though the central nervous system (CNS) was conventionally defined as "immunologically privileged", new discoveries have demonstrated the role of the immune system in neurologic disease and illness, including gliomas. Brain tumor immunotherapy is an exciting and revived area of research, in which neurosurgeons have taken a major position. Despite the ability to induce a tumor-specific systemic immune response, the challenge to effectively eradicate intracranial gliomas remains mainly because of tumor-induced immunoresistance. This article gives an overview of the immunologic responses that occur in the CNS and their potential role in brain tumors. The main cellular and molecular mechanisms that mediate tumor escape from natural immune surveillance are also covered in this article. Glioma cells have been shown to diminish the expression of danger signals necessary for immune activation and to increase the concentration of immunosuppressive factors in the tumor microenvironment, which results in T-cell anergy or apoptosis. Finally, the authors discuss most of the over-expressed oncogenic signaling pathways that cause tumor tolerance.

Original languageEnglish (US)
Pages (from-to)17-29
Number of pages13
JournalNeurosurgery clinics of North America
Issue number1
StatePublished - Jan 2010


  • Glioblastoma multiforme
  • Immunoresistance
  • Immunotherapy
  • Oncogenic signaling pathway

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology


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