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PLoS One. 2012;7(7):e40201. doi: 10.1371/journal.pone.0040201. Epub 2012 Jul 16.

Immunosignaturing can detect products from molecular markers in brain cancer.

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1
Biodesign Institute, Center for Innovations in Medicine, Arizona State University, Tempe, Arizona, United States of America.

Abstract

Immunosignaturing shows promise as a general approach to diagnosis. It has been shown to detect immunological signs of infection early during the course of disease and to distinguish Alzheimer's disease from healthy controls. Here we test whether immunosignatures correspond to clinical classifications of disease using samples from people with brain tumors. Blood samples from patients undergoing craniotomies for therapeutically naïve brain tumors with diagnoses of astrocytoma (23 samples), Glioblastoma multiforme (22 samples), mixed oligodendroglioma/astrocytoma (16 samples), oligodendroglioma (18 samples), and 34 otherwise healthy controls were tested by immunosignature. Because samples were taken prior to adjuvant therapy, they are unlikely to be perturbed by non-cancer related affects. The immunosignaturing platform distinguished not only brain cancer from controls, but also pathologically important features about the tumor including type, grade, and the presence or absence of O(6)-methyl-guanine-DNA methyltransferase methylation promoter (MGMT), an important biomarker that predicts response to temozolomide in Glioblastoma multiformae patients.

PMID:
22815729
PMCID:
PMC3397978
DOI:
10.1371/journal.pone.0040201
[Indexed for MEDLINE]
Free PMC Article
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