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Free Radical Biology and Medicine

Free Radical Biology and Medicine

IF: 7.09
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Itaconic acid ameliorates necrotizing enterocolitis through the TFEB-mediated autophagy-lysosomal pathway

Published:19 November 2024 DOI: 10.1016/j.freeradbiomed.2024.11.035 PMID: 39571950
Baozhu Chen, Yufeng Liu, Sitao Li

Abstract

Excessive autophagy has been implicated in the pathogenesis of necrotizing enterocolitis (NEC), yet the molecular underpinnings of the autophagy-lysosomal pathway (ALP) in NEC are not well characterized. This study aimed to elucidate alterations within the ALP in NEC by employing RNA sequencing on intestinal tissues obtained from affected infants. Concurrently, we established animal and cellular models of NEC to assess the therapeutic efficacy of itaconic acid (ITA). Our results indicate that the ALP is significantly disrupted in NEC. Notably, ITA was found to modulate the ALP, enhancing autophagic flux and lysosomal function, which consequently alleviated NEC symptoms. Further analysis revealed that ITA's beneficial effects are mediated through the promotion of TFEB nuclear translocation, thereby augmenting the ALP. These findings suggest that targeting the ALP with ITA to modulate TFEB activity may represent a viable therapeutic approach for NEC.

Substances (3)

Materials
Procduct Name CAS Molecular Formula Supplier Price
Itaconic acid 97-65-4 C5H6O4 647 suppliers $5.00-$6711.36
4',6-Diamidino-2-phenylindole dihydrochloride 28718-90-3 C16H16ClN5 294 suppliers $14.10-$4800.00
CHLOROQUINE 54-05-7 C18H26ClN3 159 suppliers $9.00-$1550.00

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