Molecular mechanisms associated with 1p 19q loss of heterozygosity in oligodendroglioma

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Oligodendrogliomas with 1p19q loss of heterozygosity respond well to chemotherapy compared with those without. However, the molecular mechanisms associated with this chromosomal abnormality are not well known. Based on the results of our previous study, we have targeted a transcriptional factor, myelin transcription factor 1-like (MYT1L). We have performed RT-PCR. Expression level of MYT1L was higher in oligodendrogliomas with 1p19q loss of heterozygosity. These results suggested that the expression of MYT1L is associated with chromosomal change in oligodendrogliomas and possibly useful as diagnostic tool of these tumors.