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2015 ; 5
(3
): 1580-99
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Functional Integration of mRNA Translational Control Programs
#MMPMID26197342
MacNicol MC
; Cragle CE
; Arumugam K
; Fosso B
; Pesole G
; MacNicol AM
Biomolecules
2015[Jul]; 5
(3
): 1580-99
PMID26197342
show ga
Regulated mRNA translation plays a key role in control of cell cycle progression
in a variety of physiological and pathological processes, including in the
self-renewal and survival of stem cells and cancer stem cells. While targeting
mRNA translation presents an attractive strategy for control of aberrant cell
cycle progression, mRNA translation is an underdeveloped therapeutic target.
Regulated mRNAs are typically controlled through interaction with multiple RNA
binding proteins (RBPs) but the mechanisms by which the functions of distinct
RBPs bound to a common target mRNA are coordinated are poorly understood. The
challenge now is to gain insight into these mechanisms of coordination and to
identify the molecular mediators that integrate multiple, often conflicting,
inputs. A first step includes the identification of altered mRNA
ribonucleoprotein complex components that assemble on mRNAs bound by multiple,
distinct RBPs compared to those recruited by individual RBPs. This review builds
upon our knowledge of combinatorial control of mRNA translation during the
maturation of oocytes from Xenopus laevis, to address molecular strategies that
may mediate RBP diplomacy and conflict resolution for coordinated control of mRNA
translational output. Continued study of regulated ribonucleoprotein complex
dynamics promises valuable new insights into mRNA translational control and may
suggest novel therapeutic strategies for the treatment of disease.