PMID- 15696974 OWN - NLM STAT- MEDLINE DCOM- 20050316 LR - 20191109 IS - 1433-7398 (Print) IS - 1433-7398 (Linking) VI - 21 IP - 3 DP - 2004 TI - Chromosomal and genetic aberrations differ with meningioma subtype. PG - 127-33 AB - Meningioma is one of the most common brain tumors, and a variety of genetic abnormalities have been detected by the Southern blotting, polymerase chain reaction (PCR), fluorescence in situ hybridization (FISH), and comparative genomic hybridization (CGH) methods. However, these methods detect only a very limited portion of the tumor genome or have a limited mapping resolution. In this study, we used DNA microarray assay, which detects numerous genetic abnormalities and analyzes a global assessment of molecular events in tumor cells. We analyzed genomic DNA from 26 patients with benign meningiomas by GenoSensor Array 300 in order to characterize gene amplifications, gene deletions, and chromosomal information in the whole genome. Loss of chromosome 22q was found most frequently. This chromosomal aberration was detected in 14 meningiomas (53.8%), particularly in transitional and fibrous meningiomas. In meningothelial meningiomas, amplification of INS and TCL1A was detected more frequently than in other meningioma subtypes. DNA microarray assay revealed new genetic differences among the meningioma subtypes, thus indicating that this novel technique is useful for understanding tumor genesis and for the diagnosis of meningioma subtype. FAU - Wada, Kouichi AU - Wada K AD - Department of Neurosurgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan. FAU - Maruno, Motohiko AU - Maruno M FAU - Suzuki, Tsuyoshi AU - Suzuki T FAU - Kagawa, Naoki AU - Kagawa N FAU - Hashiba, Tetsuo AU - Hashiba T FAU - Fujimoto, Yasunori AU - Fujimoto Y FAU - Hashimoto, Naoya AU - Hashimoto N FAU - Izumoto, Shuichi AU - Izumoto S FAU - Yoshimine, Toshiki AU - Yoshimine T LA - eng PT - Journal Article PL - Japan TA - Brain Tumor Pathol JT - Brain tumor pathology JID - 9716507 RN - 0 (Ki-67 Antigen) SB - IM MH - Adolescent MH - Adult MH - Aged MH - Aged, 80 and over MH - Chromosome Aberrations MH - Female MH - Humans MH - Immunohistochemistry MH - Ki-67 Antigen/metabolism MH - Male MH - Meningeal Neoplasms/*genetics/metabolism/*pathology MH - Meningioma/*genetics/metabolism/*pathology MH - Middle Aged MH - *Oligonucleotide Array Sequence Analysis EDAT- 2005/02/09 09:00 MHDA- 2005/03/17 09:00 CRDT- 2005/02/09 09:00 PHST- 2005/02/09 09:00 [pubmed] PHST- 2005/03/17 09:00 [medline] PHST- 2005/02/09 09:00 [entrez] AID - 10.1007/BF02482188 [doi] PST - ppublish SO - Brain Tumor Pathol. 2004;21(3):127-33. doi: 10.1007/BF02482188.