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Review
. 2018 Mar;31(1):2-14.
doi: 10.1016/j.beha.2017.10.006. Epub 2017 Nov 1.

Pathogenesis of follicular lymphoma

Tracy Lackraj  1 , Rashmi Goswami  1 , Robert Kridel  2
Affiliations
Review

Pathogenesis of follicular lymphoma

Tracy Lackraj et al. Best Pract Res Clin Haematol. 2018 Mar.

Abstract

Follicular lymphoma (FL) is presented as a germinal centre B cell lymphoma that is characterized by an indolent clinical course, but remains - paradoxically - largely incurable to date. The last years have seen significant progress in our understanding of FL lymphomagenesis, which is a multi-step process beginning in the bone marrow with the hallmark t(14;18)(q32;q21) translocation. The pathobiology of FL is complex and combines broad somatic changes at the level of both the genome and the epigenome, the latter evidenced by highly recurrent mutations in chromatin-modifying genes such as KMT2D and CREBBP. While the importance of the FL microenvironment has since long been well understood, it has become evident that somatic lesions within tumour cells re-educate normal immune and stromal cells to their advantage. Enhanced understanding of FL pathogenesis is currently leading to refined therapeutic targeting of perturbed biology, paving the way for precision medicine in this lymphoma subtype.

Keywords: Epigenetic; Follicular lymphoma; Microenvironment; Mutations; Pathogenesis.

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