Expression of cancer-testis genes in brain tumors.

Abstract

OBJECTIVE:

Cancer-testis (CT) genes are considered promising candidates for immunotherapeutic approaches. The aim of this study was to investigate which CT genes should be targeted in immunotherapy for brain tumors.

METHODS:

We investigated the expression of 6 CT genes (MAGE-E1, SOX-6, SCP-1, SSX-2, SSX-4, and HOM-TES-85) using reverse-transcription polymerase chain reaction in 26 meningiomas and 32 other various brain tumor specimens, obtained from the patients during tumor surgery from 2000 to 2005.

RESULTS:

The most frequently expressed CT genes of meningiomas were MAGE-E1, which were found in 22/26 (85%) meningioma samples, followed by SOX-6 (9/26 or 35%). Glioblastomas were most frequently expressed SOX-6 (6/7 or 86%), MAGE-E1 (5/7 or 71%), followed by SSX-2 (2/7 or 29%) and SCP-1 (1/7 or 14%). However, 4 astrocytomas, 3 anaplastic astrocytomas, and 3 oligodendroglial tumors only expressed MAGE-E1 and SOX-6. Schwannomas also expressed SOX-6 (5/6 or 83%), MAGE-E1 (4/6 or 67%), and SCP-1 (2/6 or 33%).

CONCLUSION:

The data presented here suggest that MAGE-E1 and SOX-6 genes are expressed in a high percentage of human central nervous system tumors, which implies the CT genes could be the potential targets of immunotherapy for human central nervous system tumors.

• Authors: Myoung-Hee Lee, Eun-Ik Son, Ealmaan Kim, In-Soo Kim, Man-Bin Yim, Sang-Pyo Kim
• Journal: Journal of Korean Neurosurgical Society (J Korean Neurosurg Soc) Vol. 43 Issue 4 Pg. 190-3 (Apr 2008) ISSN: 2005-3711 [Print] Korea (South)
• PMID: 19096642 (Publication Type: Journal Article)