Reduced expression of ELAVL4 in male meningioma patients

• Published in: Brain tumor pathology Vol. 30; no. 3; pp. 160 - 166
• Main Authors: Stawski, Robert, Piaskowski, Sylwester, Stoczynska-Fidelus, Ewelina, Wozniak, Krystyna, Bienkowski, Michal, Zakrzewska, Magdalena, Witusik-Perkowska, Monika, Jaskolski, Dariusz J., Och, Waldemar, Papierz, Wielislaw, Sikorska, Beata, Rieske, Piotr, Liberski, Pawel P.
• Format: Journal Article
• Language: English
• Published: Tokyo Springer Japan 01-07-2013; Springer Nature B.V
• Subjects: Adult; Aged; Brain cancer; Cancer Research; Chromosome Aberrations; Chromosomes; Chromosomes, Human, Pair 1 - genetics; ELAV Proteins - genetics; ELAV-Like Protein 4; Female; Females; Gender; Gene amplification; Gene expression; Gene Expression Regulation, Neoplastic - genetics; Humans; Loss of Heterozygosity; Male; Males; Medicine; Medicine & Public Health; Meningeal Neoplasms - genetics; Meningioma - genetics; Middle Aged; Nervous system; Neurology; Neurosurgery; Oncology; Original Article; Pathology; Sex Characteristics; Statistical analysis; Tumors; Internal control; Tumor suppressor gene; Meningiomas
• ISSN: 1433-7398; 1861-387X
• DOI: 10.1007/s10014-012-0117-x

Meningioma is a frequently occurring tumor of the central nervous system. Among many genetic alternations, the loss of the short arm of chromosome 1 is the second most frequent chromosomal abnormality observed in these tumors. Here, we focused on the previously described and well-established minimal deletion regions of chromosome 1. In accordance with the Knudson suppressor theory, we designed an analysis of putative suppressor genes localized in the described minimal deletion regions. The purpose was to determine the molecular background of the gender-specific occurrence of meningiomas. A total of 149 samples were examined for loss of heterozygosity (LOH). In addition, 57 tumor samples were analyzed using real-time polymerase chain reaction. We examined the association between the expression of selected genes and patient age, gender, tumor grade and presence of 1p loss. Furthermore, we performed an analysis of the most stable internal control for real-time analysis in meningiomas. LOH analysis revealed gender-specific discrepancies in the frequency of 1p aberrations. Moreover, statistical correlation between the gene expression level and gender was significant for the
ELAVL4
gene as we found it to be lower in males than in females. We conclude that meningiomas present different features depending on patient gender. We suggest that
ELAVL4
can be involved in the pathogenesis of meningiomas in male patients.