ArticleActa pharmacologica Sinica2025
Kv1.3 knockdown attenuates alcohol-related liver injury in mice through induction of tryptamine.
Article in Acta pharmacologica Sinica, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Alcohol-related liver disease (ALD) refers to a spectrum of liver diseases caused by chronic or acute excessive alcohol consumption. Excess alcohol consumption and dysregulated immunometabolism are the major contributors to the disease progression. The pathogenesis of ALD remains unclear with macrophage activity playing a key role in disease development. Kv1.3 potassium channel is essential for the regulation of macrophage function. In this study, we investigated whether Kv1.3 channels influenced the progression of ALD by modulating macrophage function. A murine model of ALD was established in male mice. We showed that Kv1.3 knockdown significantly attenuated alcohol-induced liver injury, lipid deposition, and inflammatory responses in ALD mice. Metabolomic analysis revealed that Kv1.3 knockdown significantly increased the levels of tryptamine, a tryptophan metabolite, in the liver of ALD mice. During the last 5 days of the EtOH feeding period, injection of exogenous tryptamine (1, 10, 20 mg·kg
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