Ribosomal stress-surveillance: three pathways is a magic number
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- Ribosomal stress-surveillance: three pathways is a magic number
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Cells rely on stress response pathways to uphold cellular homeostasis and limit the negative effects of harmful environmental stimuli. The stress- and mitogen-activated protein (MAP) kinases, p38 and JNK, are at the nexus of numerous stress responses, among these the ribotoxic stress response (RSR). Ribosomal impairment is detrimental to cell function as it disrupts protein synthesis, increase inflammatory signaling and, if unresolved, lead to cell death. In this review, we offer a general overview of the three main translation surveillance pathways; the RSR, Ribosome-associated Quality Control (RQC) and the Integrated Stress Response (ISR). We highlight recent advances made in defining activation mechanisms for these pathways and discuss their commonalities and differences. Finally, we reflect on the physiological role of the RSR and consider the therapeutic potential of targeting the sensing kinase ZAKα for treatment of ribotoxin exposure.
Original language | English |
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Journal | Nucleic Acids Research |
Volume | 48 |
Issue number | 19 |
Pages (from-to) | 10648-10661 |
Number of pages | 14 |
ISSN | 0305-1048 |
DOIs | |
Publication status | Published - 2020 |
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