Abstract
Cardiac hypertrophy is the main adaptive response of the heart to chronic loads; however, prolonged or excessive hypertrophy promotes myocardial interstitial fibrosis, systolic dysfunction, and cardiomyocyte death, especially aseptic inflammation mediated by NLRP3 inflammasome, which can aggravate ventricular remodeling and myocardial damage, which is an important mechanism for the progression of heart failure. Various cardiac overloads can cause mitochondrial damage. In recent years, the mitochondria have been demonstrated to be involved in the inflammatory response during the development of cardiac hypertrophy in vitro and in vivo. As the NLRP3 inflammasome and mitochondria are regulators of inflammation and cardiac hypertrophy, we explored the potential functions of the NLRP3 inflammasome and mitochondrial dysfunction in cardiac hypertrophy. In particular, we proposed that the induction of mitochondrial dysfunction in cardiomyocytes may promote NLRP3-dependent inflammation during myocardial hypertrophy. Further in-depth studies could prompt valuable discoveries regarding the underlying molecular mechanisms of cardiac hypertrophy, reveal novel anti-inflammatory therapies for cardiac hypertrophy, and provide more desirable therapeutic outcomes for patients with cardiac hypertrophy.
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Abbreviations
- ACEI:
-
Angiotensin-converting enzyme
- ASC:
-
Apoptosis-associated speck-like protein containing a CARD
- ATP:
-
Adenosine triphosphate
- DAMPs:
-
Danger-associated molecular patterns
- GSDMD:
-
Gasdermin D
- GSDMD-NT:
-
GSDMD-N-terminal
- IF1:
-
Inhibitory factor 1
- IL-1β:
-
Interleukin-1β
- IL-1R1:
-
IL-1 receptor type 1
- IL-18:
-
Interleukin-18
- IRI:
-
Ischemia-reperfusion injury
- mtDNA:
-
Mitochondrial DNA
- mt-dynamics:
-
Mitochondrial dynamics
- NF-κB:
-
Nuclear factor-κB
- NLRP3:
-
The pyridine domain-containing 3
- NLRs:
-
Nucleotide-binding and oligomerization domain (NOD)-like receptor
- NOX:
-
Nicotinamide adenine dinucleotide phosphate oxidase
- Ox-mtDNA:
-
Oxidation of mtDNA
- PPQ:
-
Pyrroloquinoline quinone
- ROS:
-
Reactive oxygen species
- SiNP:
-
Silica nanoparticle
- SUMO:
-
Small ubiquitin-related modifier
- TNF:
-
Tumor necrosis factor
- TNFR:
-
Tumor necrosis factor receptor
- TLR4:
-
Toll-like receptor 4
- YLLs:
-
Years of life lost
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Funding
This work was supported by Jilin Provincial Science and Technology Commission International Science and Technology Cooperation (Grant No. 20230402015GH), Jilin Provincial Department of Finance (Grant No. 2021SCZ24), and Jilin Provincial Science and Technology Development Plan Project (Grant No. 20210101258JC).
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YM proposed conceptualization. RY drafted the manuscript. YS and YY assisted RY in screening articles. YJ and RZ created computer graphics and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Yan, R., Sun, Y., Yang, Y. et al. Mitochondria and NLRP3 inflammasome in cardiac hypertrophy. Mol Cell Biochem (2023). https://doi.org/10.1007/s11010-023-04812-1
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DOI: https://doi.org/10.1007/s11010-023-04812-1