Volume 45, Issue s1 pp. 16-24
Review

New insights on chromatin modifiers and histone post-translational modifications in renal cell tumours

Márcia Vieira-Coimbra

Márcia Vieira-Coimbra

Cancer Biology & Epigenetics Group – Research Center, Portuguese Oncology Institute – Porto (IPO-Porto), Porto, Portugal

Department of Pathology, Portuguese Oncology Institute, Porto, Portugal

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Rui Henrique

Rui Henrique

Cancer Biology & Epigenetics Group – Research Center, Portuguese Oncology Institute – Porto (IPO-Porto), Porto, Portugal

Department of Pathology, Portuguese Oncology Institute, Porto, Portugal

Department of Pathology and Molecular Immunology, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal

Joint senior authors.Search for more papers by this author
Carmen Jerónimo

Corresponding Author

Carmen Jerónimo

Cancer Biology & Epigenetics Group – Research Center, Portuguese Oncology Institute – Porto (IPO-Porto), Porto, Portugal

Department of Pathology and Molecular Immunology, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal

Joint senior authors.Correspondence to: Carmen Jerónimo, PhD, Cancer Biology & Epigenetics Group – Research Center (LAB3, F Bdg, 1st floor), Portuguese Oncology Institute-Porto, Rua Dr. António Bernardino Almeida, 4200-072, Porto, Portugal. Tel.: +351 225084000; fax: + 351 225084016; e-mail: [email protected]/[email protected]Search for more papers by this author
First published: 18 December 2014
Citations: 11

Abstract

Renal cell tumours (RCTs) are the most common neoplasms affecting the kidney. They are clinically, pathologically and genetically heterogeneous, comprises four major histological subtypes [clear cell renal cell carcinoma (ccRCC), papillary renal cell carcinoma (pRCC) and chromophobe renal cell carcinoma (chRCC), which are malignant tumours, and oncocytoma, a benign tumour], as well as an increasing number of less common entities. Epigenetics has emerged as an important field in oncology due to the critical role it plays in neoplastic transformation and progression. Among epigenetic mechanisms, the modulation of chromatin packaging through covalent modifications is fundamental for gene transcription regulation and its deregulation is involved in carcinogenesis. Recently, deregulation of chromatin machinery in RCTs has increasingly acknowledged as an important mechanism for renal neoplastic transformation. The aim of this review is to summarize the most relevant alterations in histone post-translational modifications and chromatin modifiers, which have been implicated in renal tumorigenesis. The recognition of those modifications might provide new biomarkers for diagnosis and prognostication as well as novel targets for personalized therapeutic intervention.

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