Neural Regeneration Research ›› 2026, Vol. 21 ›› Issue (2): 673-674.doi: 10.4103/NRR.NRR-D-24-01169
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Grace Hohman, Michael Shahid, Mohamed A. Eldeeb*
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Abstract: Protein aggregates, mitochondrial import stress and neurodegenerative disorders: A salient hallmark of several neurodegenerative diseases, including Parkinson’s disease, is the abundance of protein aggregates (Goiran et al., 2022). This molecular event is believed to lead to activation of stress pathways ultimately resulting in cellular dysfunction (Eldeeb et al., 2022). Accordingly, many lines of research investigations focused on dampening the formation of protein aggregates or augmenting the clearance of protein aggregates as a potential therapeutic strategy to counteract the progression of neurodegenerative diseases, albeit with little success (Costa-Mattioli and Walter, 2020). Cell stress cues such as the accumulation of protein aggregates lead to the activation of stress response pathways that aid cells in responding to the damage. Despite the notion that the transient activation of these pathways helps cells cope with stressors, persistent activation can induce unwanted apoptosis of cells and reduce overall tissue strength as well as lead to an accumulation of aggregationprone proteins (Hetz and Papa, 2018). Mutations in proteins involved in stress signaling termination can cause conditions like ataxia and early-onset dementia (Conroy et al., 2014). Therefore, it is crucial for stress response signaling to be turned off once conditions have improved. Nevertheless, the mechanisms by which cells silence these signals are still elusive.
Grace Hohman, Michael Shahid, Mohamed A. Eldeeb. Stress signaling caused by mitochondrial import malfunction can be terminated by SIFI: Importance of stress response silencing[J]. Neural Regeneration Research, 2026, 21(2): 673-674.
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URL: https://www.sjzsyj.com.cn/EN/10.4103/NRR.NRR-D-24-01169
https://www.sjzsyj.com.cn/EN/Y2026/V21/I2/673