| Tumor Type | miRNA up-regulated | miRNA down-regulated | Samples Setting | Methods | References |
| Oligodendroglioma | -124, -128, -139-5p, -153, -210, -582-5p, -96 | -1, -1180, -133b, -135b, -1539, -193a-5p, -196a, -196b, -200b, -21*, -221*, -224, -24-1*, -31, -31*, -32*, -34a*, -34c-5p, -455-5p, -503, -631 | Recurrent vs De Novo Oligodendroglioma | Microarray | [35] |
| -9 | -124 | Oligodendroglioma vs Normal Brain | Microarray and ISH | [62] | |
| let-7a, let-7f, -21, -155, -17, -16, 26b, -374a, let-7d, -20a, -15b, -7b, -9 | -132, -134, -7, 330-3p, -127-3p | Oligodendroglioma vs Non-Neoplastic tissues | Microarray and qRT-PCR | [37] | |
| -21, -155 | -132, -134 | Oligodendrogliomas vs GBM | [37] | ||
| Oligoastrocytoma | -137 | Oligoastrocytomas vs Normal Brain | qRT-PCR | [38] |