Small-molecule activators of NRF1 transcriptional activity prevent protein aggregaton

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F24%3A10486087" target="_blank" >RIV/00216208:11310/24:10486087 - isvavai.cz</a>

Výsledek na webu

<a href="https://nivb.cz/2024/09/24/nivb-meeting-2024-treti-vyrocni-setkani-narodniho-ustavu-virologie-a-bakteriologie/" target="_blank" >https://nivb.cz/2024/09/24/nivb-meeting-2024-treti-vyrocni-setkani-narodniho-ustavu-virologie-a-bakteriologie/</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Small-molecule activators of NRF1 transcriptional activity prevent protein aggregaton

Popis výsledku v původním jazyce

Intracellular protein aggregation causes proteotoxic stress, underlying highly debilitating neurodegenerative disorders in parallel with decreased proteasome activity.Nevertheless, under such stress conditions, the expression of proteasome subunits is upregulated by Nuclear Factor Erythroid 2 2-related factor 1 (NRF1), a transcription factor that is encoded by NFE2L1 . Activating the NRF1 pathway could accordingly delay the onset of neurodegenerative and other disorders with impaired cell proteostasis. Here, we present a series of small small-molecule compounds based on bis (phenylmethylen)cycloalkanones and their heterocyclic analogues, identified via targeted library screening, that can induce NRF1 NRF1-dependent downstream events, such as proteasome synthesis, heat shock response, and autophagy, in both model cell lines and Caenorhabditis elegans strains.These compounds increase proteasome activity and decrease the size and number of protein aggregates without causing any cellular stress or inhibiting the ubiquitin ubiquitin-proteasome system (UPS). Therefore, our compounds represent a new promising therapeutic approach to various protein conformational diseases, including the most debilitating neurodegenerative diseases and viral diseases.

Název v anglickém jazyce

Small-molecule activators of NRF1 transcriptional activity prevent protein aggregaton

Popis výsledku anglicky

Intracellular protein aggregation causes proteotoxic stress, underlying highly debilitating neurodegenerative disorders in parallel with decreased proteasome activity.Nevertheless, under such stress conditions, the expression of proteasome subunits is upregulated by Nuclear Factor Erythroid 2 2-related factor 1 (NRF1), a transcription factor that is encoded by NFE2L1 . Activating the NRF1 pathway could accordingly delay the onset of neurodegenerative and other disorders with impaired cell proteostasis. Here, we present a series of small small-molecule compounds based on bis (phenylmethylen)cycloalkanones and their heterocyclic analogues, identified via targeted library screening, that can induce NRF1 NRF1-dependent downstream events, such as proteasome synthesis, heat shock response, and autophagy, in both model cell lines and Caenorhabditis elegans strains.These compounds increase proteasome activity and decrease the size and number of protein aggregates without causing any cellular stress or inhibiting the ubiquitin ubiquitin-proteasome system (UPS). Therefore, our compounds represent a new promising therapeutic approach to various protein conformational diseases, including the most debilitating neurodegenerative diseases and viral diseases.

Druh

O - Ostatní výsledky

CEP obor

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OECD FORD obor

10600 - Biological sciences

Projekt

<a href="/cs/project/LX22NPO5103" target="_blank" >LX22NPO5103: Národní institut virologie a bakteriologie</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů