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Targeting acidogenic metabolism by engineering self-catalytic siRNA nanocarriers/nanocatalysts for amplified tumor apoptosis/ferroptosis
Zhou, Liqiang1; Feng, Wei2; Chen, Liang2; Huang, Hui2; Huang, Shaojuan1; Chen, Qiang1; Zhang, Xuanjun1; Chen, Yu2
2022-10
Source PublicationNano Today
ISSN1748-0132
Volume46Pages:101623
Abstract

Nanocatalytic medicine holds great potential in inhibiting tumor progression based on the synergistic catalytic production of toxic reactive oxygen species (ROS) between fenton nanoagents and tumor-specific endogenous substances. However, the cellular self-antioxidant and detoxification mechanisms result in discounted cell killing effect of nanocatalytic therapeutics. In this work, we design and engineer an intelligent bimetallic-type metal-organic framework (MOF) nanosystem that facilitates efficient gene delivery and expression, consequently enabling dual regulation of intracellular acid metabolism and significant amplification of nanocatalytic tumor therapy through enhanced elicitation of apoptosis and ferroptosis. The endogenous RNA interference and exogenous acidic substances supplement concurrently elevated the intracellular acidity and amplified the nanocatalytic reactions-induced ferroptosis. Especially, the reduced intracellular pH-derived calcium influx caused mitochondrial calcium overload, rendering cancer cells highly susceptible to nanocatalysts-triggered oxidative stress apoptotic damage, resulting in significantly synergistic tumor suppression. This work demonstrates the concept of amplified ferroptosis/apoptosis induced by self-enhancing intelligent nanocatalytic tumor treatment through simultaneously co-targeting two specific cancer hallmarks.

KeywordCalcium Overload Ferroptosis Gene Interference Nanocatalytic Therapy Tumor Acidosis
DOI10.1016/j.nantod.2022.101623
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS SubjectChemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000931545500002
PublisherELSEVIER SCI LTDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
Scopus ID2-s2.0-85138484016
Fulltext Access
Citation statistics
Document TypeJournal article
CollectionMinistry of Education Frontiers Science Center for Precision Oncology, University of Macau
Faculty of Health Sciences
DEPARTMENT OF BIOMEDICAL SCIENCES
Corresponding AuthorChen, Qiang; Zhang, Xuanjun; Chen, Yu
Affiliation1.MOE Frontiers Science Center for Precision Oncology, Faculty of Health Sciences, University of Macau, Macau, SAR, 999078, China
2.School of Life Sciences, Shanghai University, Shanghai, 200444, China
First Author AffilicationFaculty of Health Sciences
Corresponding Author AffilicationFaculty of Health Sciences
Recommended Citation
GB/T 7714
Zhou, Liqiang,Feng, Wei,Chen, Liang,et al. Targeting acidogenic metabolism by engineering self-catalytic siRNA nanocarriers/nanocatalysts for amplified tumor apoptosis/ferroptosis[J]. Nano Today, 2022, 46, 101623.
APA Zhou, Liqiang., Feng, Wei., Chen, Liang., Huang, Hui., Huang, Shaojuan., Chen, Qiang., Zhang, Xuanjun., & Chen, Yu (2022). Targeting acidogenic metabolism by engineering self-catalytic siRNA nanocarriers/nanocatalysts for amplified tumor apoptosis/ferroptosis. Nano Today, 46, 101623.
MLA Zhou, Liqiang,et al."Targeting acidogenic metabolism by engineering self-catalytic siRNA nanocarriers/nanocatalysts for amplified tumor apoptosis/ferroptosis".Nano Today 46(2022):101623.
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