Reprogramming the diseased liver: antioxidant-engineered mRNA nanoparticles as microenvironment modulators in MAFLD

Reprogramming the diseased liver: antioxidant-engineered mRNA nanoparticles as microenvironment modulators in MAFLD

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DOI 10.1097/IN9.0000000000000083
刊名
IJ
年,卷(期) 2026, 8(2)
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作者单位

Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA

摘要
Metabolic dysfunction–associated fatty liver disease (MAFLD) is a leading cause of hepatocellular carcinoma (HCC), driven in part by oxidative stress–induced immune dysfunction that limits the efficacy of immunotherapy. In a recent study, Yu et al developed a vitamin E–incorporated lipid nanoparticle designed to enhance hepatocyte‑specific mRNA delivery while simultaneously buffering oxidative stress in the hepatic microenvironment. By restoring the activity of the redox‑sensitive phosphatase T‑cell protein tyrosine phosphatase and suppressing signal transducer and activator of transcription (STAT) signaling, this strategy improves metabolic homeostasis, reduces inflammatory signaling, and enhances responsiveness to immune checkpoint blockade. These findings illustrate how rational nanoparticle engineering can integrate therapeutic delivery with microenvironmental reprogramming in chronic metabolic disease.
Abstract
Metabolic dysfunction–associated fatty liver disease (MAFLD) is a leading cause of hepatocellular carcinoma (HCC), driven in part by oxidative stress–induced immune dysfunction that limits the efficacy of immunotherapy. In a recent study, Yu et al developed a vitamin E–incorporated lipid nanoparticle designed to enhance hepatocyte‑specific mRNA delivery while simultaneously buffering oxidative stress in the hepatic microenvironment. By restoring the activity of the redox‑sensitive phosphatase T‑cell protein tyrosine phosphatase and suppressing signal transducer and activator of transcription (STAT) signaling, this strategy improves metabolic homeostasis, reduces inflammatory signaling, and enhances responsiveness to immune checkpoint blockade. These findings illustrate how rational nanoparticle engineering can integrate therapeutic delivery with microenvironmental reprogramming in chronic metabolic disease.
关键词
MAFLD; mRNA therapeutics; lipid nanoparticles; TCPTP; STAT signaling; oxidative stress; hepatocellular carcinoma; immune microenvironment
KeyWord
MAFLD; mRNA therapeutics; lipid nanoparticles; TCPTP; STAT signaling; oxidative stress; hepatocellular carcinoma; immune microenvironment
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Ghiringhelli, Matteo; Zangi, Lior. Reprogramming the diseased liver: antioxidant-engineered mRNA nanoparticles as microenvironment modulators in MAFLD [J]. Immunometabolism. 2026; 8; (2). - .

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