Thema: News: OLIG2 ein Marker für Oligodendrogliome
News: OLIG2 ein Marker für Oligodendrogliome
Tom[a]
30.08.2001 18:57:16
Lancet 2001 Jul 28;358(9278):298-300
OLIG2 as a specific marker of oligodendroglial tumour cells.
Marie Y, Sanson M, Mokhtari K, Leuraud P, Kujas M, Delattre JY, Poirier J, Zalc B, Hoang-Xuan K.
OLIG2 is a recently identified transcription factor involved in the specification of cells in the oligodendroglial lineage. We investigated the expression of OLIG2 by in-situ hybridisation in 21 brain tumours: nine grade II and III oligodendrogliomas, three grade II oligoastrocytomas, and nine non-oligodendroglial tumours (four grade IV astrocytomas, two meningiomas, a dysembryoplastic neuroepithelial tumour, and two metastases). OLIG2-positive cells corresponding to neoplastic oligodendrocytes were present in all oligodendrogliomas and oligoastrocytomas. By contrast, OLIG2 expression was not detected in the non-oligodendroglial tumours. Thus, oligodendroglioma probably arise from oligodendrocyte precursor cells. OLIG2 should prove a useful marker for the diagnosis of oligodendroglial tumours.
OLIG2 as a specific marker of oligodendroglial tumour cells.
Marie Y, Sanson M, Mokhtari K, Leuraud P, Kujas M, Delattre JY, Poirier J, Zalc B, Hoang-Xuan K.
OLIG2 is a recently identified transcription factor involved in the specification of cells in the oligodendroglial lineage. We investigated the expression of OLIG2 by in-situ hybridisation in 21 brain tumours: nine grade II and III oligodendrogliomas, three grade II oligoastrocytomas, and nine non-oligodendroglial tumours (four grade IV astrocytomas, two meningiomas, a dysembryoplastic neuroepithelial tumour, and two metastases). OLIG2-positive cells corresponding to neoplastic oligodendrocytes were present in all oligodendrogliomas and oligoastrocytomas. By contrast, OLIG2 expression was not detected in the non-oligodendroglial tumours. Thus, oligodendroglioma probably arise from oligodendrocyte precursor cells. OLIG2 should prove a useful marker for the diagnosis of oligodendroglial tumours.
Tom[a]
