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Molecular Biology of Pediatric and Adult Ovarian Germ Cell Tumors: A Review
Mariana Tomazini Pinto1, Gisele Eiras Martins2,3, Ana Glenda Santarosa Vieira2,3
1Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos 14784400, Brazil.
Abstract:
Ovarian germ cell tumors (OGCTs) are rare in adults; indeed, they occur predominantly in children, adolescents, and young adults, and they account for approximately 11% of cancer diagnoses in these groups. Because OGCTs are rare tumors, our current understanding of them is sparse; this is because few studies have investigated the molecular basis of pediatric and adult cancers. Here, we review the etiopathogenesis of OGCTs in children and adults, and we address the molecular landscape of these tumors, including integrated genomic analysis, microRNAs, DNA methylation, the molecular implications of treatment resistance, and the development of in vitro and in vivo models. An elucidation of potential molecular alterations may provide a novel field for understanding the pathogenesis, tumorigenesis, diagnostic markers, and genetic peculiarity of the rarity and complexity of OGCTs.
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