Berberine suppresses colon inflammation via integrated modulation of host metabolism, microbial ecology, and innate immune signaling
Abstract
Background: Berberine, a natural compound with unique bioactivity, has been widely used in the treatment of gastrointestinal inflammatory diseases. Despite its well-documented anti-inflammatory properties, the system-level regulatory network underlying its multifaceted mechanisms remains poorly understood. Methods: In this study, we employed a multi-level analytical approach, integrating single-cell RNA sequencing, targeted metabolomics, 16S rRNA gene sequencing, and drug-target analysis, to elucidate the integrative effects of berberine on gut microbiota-metabolism-immune interactions. Results: Single-cell RNA sequencing revealed that berberine enhances energy metabolism in intestinal cells of DSS-induced mice, thereby maintaining normal physiological functions. Targeted metabolomics analysis of short-chain fatty acids, combined with 16S rRNA gene sequencing, demonstrated that berberine supplementation significantly increases short-chain fatty acid (SCFA) levels in the intestinal environment and selectively enriches the abundance of Akkermansia. Furthermore, single-cell RNA sequencing data indicated that berberine inhibits fibroblast-to-lymphatic transformation and suppresses the expression of interleukin-1β, leading to reduced immune activation in innate immune cells. Drug-target analysis identified shared molecular targets between berberine and various immunotherapeutic agents. Conclusion: This study provides a comprehensive understanding of berberine's multi-target…
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