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PSY Suppresses Colorectal Cancer Progression by Targeting Oncogenic Signaling and Metabolic Reprogramming

ABSTRACT: Background: Colorectal cancer (CRC) is a leading cause of cancer-related mortality, driven by dysregulated oncogenic signaling and metabolic reprogramming. PSY, an herbal formula derived from Patriniae Radix, Coix Seed, and Mori Cortex Radicis, has shown potential anti-cancer effects, but its mechanisms in CRC remain unclear. Purpose: PSY’s multi-targeted effects on oncogenic signaling, metabolic pathways, and inflammation in CRC. Materials and Methods: Transcriptomic profiling (RNA sequencing), in vitro assays, and in vivo xenograft models were used to elucidate PSY’s mechanisms. Metabolic profiling via LC-MS/MS and serum lipid analysis were performed to assess its impact on lipid metabolism. Results: PSY activated the PERK/eIF2α/ATF4 stress pathway and suppressed PI3K/Akt/mTOR signaling, inducing apoptosis and inhibiting CRC cell proliferation. Xenograft models showed significant tumor growth suppression and reduced proliferation (Ki67) and inflammation markers (COX2, p-STAT3). Metabolic profiling revealed reduced cholesterol and fatty acid biosynthesis, including arachidonic acid, correlating with COX2 downregulation. Serum LDL and HDL levels decreased, with an increased LDL/HDL ratio. Conclusion: PSY demonstrates potential as a multi-targeted agent by disrupting oncogenic signaling, lipid metabolism, and inflammation in CRC. These findings support its further exploration for clinical applications.

ORGANISM(S): Homo sapiens

PROVIDER: GSE285901 | GEO | 2026/01/05

REPOSITORIES: GEO

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Project description:Metabolic syndrome is associated with chronic low-grade inflammation which plays an important role in the pathogenesis of insulin resistance. Salsalate is a non-steroidal anti-inflammatory drug that reduces levels of inflammatory mediators. In the current study, we tested the effects of salsalate on inflammation, oxidative stress and metabolic disturbances in an animal model of inflammation and metabolic syndrome, using spontaneously hypertensive rats that transgenically express human C-reactive protein (SHR-CRP). We treated 15-month-old male transgenic SHR-CRP rats with salsalate (200 mg/kg/day) mixed as part of a standard diet for 4 weeks. A corresponding untreated control group of male transgenic SHR-CRP rats were fed a standard diet without salsalate. In a similar fashion, we studied a group of nontransgenic SHR treated with salsalate and an untreated group of nontransgenic SHR controls. Parameters of inflammation and glucose and lipid metabolism were measured using standard methods. Statistical significance was evaluated by two-way ANOVA. In the SHR-CRP transgenic strain, we found that salsalate treatment decreased circulating levels of inflammatory markers TNFï¡ and MCP-1 and levels of human CRP as well as reduced levels of lipopreroxidation products in the liver and kidney cortex. Lipidomics analysis of eicosanoids confirmed anti-inflammatory effects of salsalate. Reduced inflammation and oxidative stress were associated with increased sensitivity of skeletal muscles to insulin action and greater tolerance to glucose and with reduced glucose oxidation and incorporation in brown adipose tissue (BAT). In SHR controls with no CRP-induced inflammation, salsalate treatment was associated with reduced body weight, lower levels of serum free fatty acids, total and HDL cholesterol and increased palmitate oxidation and incorporation in BAT. Salsalate regulated lipid metabolism by affecting expression of genes from PPAR signaling pathways and inflammation by affecting expression from MAPK signaling and NOD-like receptor signaling pathways. In summary, in the presence of high levels of human CRP, salsalate reduced inflammation which was associated with reduced oxidative stress and amelioration of insulin resistance in skeletal muscle and glucose intolerance while in non-transgenic SHR rats, salsalate ameliorated dyslipidemia and activated BAT. Thus it is possible that amelioration of insulin resistance and glucose intolerance in SHR-CRP rats treated with salsalate is due to reduced inflammation while amelioration of dyslipidemia in SHR rats treated with salsalate is due to activation of BAT. These findings suggest that salsalate has metabolic effects beyond suppressing inflammation.

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PSY Suppresses Colorectal Cancer Progression by Targeting Oncogenic Signaling and Metabolic Reprogramming

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