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The multi‐functional RNA‐binding protein G3BP1 and its potential implication in neurodegenerative disease
Author(s) -
Sidibé Hadjara,
Dubinski Alicia,
Vande Velde Christine
Publication year - 2021
Publication title -
journal of neurochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.75
H-Index - 229
eISSN - 1471-4159
pISSN - 0022-3042
DOI - 10.1111/jnc.15280
Subject(s) - stress granule , biology , rna binding protein , context (archaeology) , neuroscience , microbiology and biotechnology , rna , translation (biology) , genetics , messenger rna , gene , paleontology
Ras‐GTPase‐activating protein (GAP)‐binding protein 1 (G3BP1) is a multi‐functional protein that is best known for its role in the assembly and dynamics of stress granules. Recent studies have highlighted that G3BP1 also has other functions related to RNA metabolism. In the context of disease, G3BP1 has been therapeutically targeted in cancers because its over‐expression is correlated with proliferation of cancerous cells and metastasis. However, evidence suggests that G3BP1 is essential for neuronal development and possibly neuronal maintenance. In this review, we will examine the many functions that are carried out by G3BP1 in the context of neurons and speculate how these functions are critical to the progression of neurodegenerative diseases. Additionally, we will highlight the similarities and differences between G3BP1 and the closely related protein G3BP2, which is frequently overlooked. Although G3BP1 and G3BP2 have both been deemed important for stress granule assembly, their roles may differ in other cellular pathways, some of which are specific to the CNS, and presents an opportunity for further exploration.

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