Mode
Text Size
Log in / Sign up

mTOR-glycolytic axis activation drives inflammatory loops and mucosal barrier dysfunction in ulcerative colitisNew research identifies a metabolic hub driving ulcerative colitis inflammation

AI-generated summary of the cited source, checked by automated accuracy review. How we work

Key Takeaway
Note the mTOR-glycolytic axis as a key driver of inflammation and barrier dysfunction in ulcerative colitis.

This systematic review explores the role of the mTOR-glycolytic axis as a metabolic rheostat in ulcerative colitis. The review synthesizes existing literature to describe how this axis functions as a hub driving inflammatory loops and barrier dysfunction.

Key findings indicate that activation of the mTOR-glycolysis axis in neutrophils, macrophages, type 3 innate lymphoid cells, and CD4+ T effector subsets exacerbates oxidative burst, NETosis, M1 polarization, and Th17 pathogenicity. Simultaneously, this activation undermines the metabolic fitness and suppressive integrity of regulatory T cells. In intestinal epithelial cells, metabolic rewiring via the mTOR-glycolysis axis compromises barrier integrity and disrupts epithelial regeneration while initiating a metabolic-secretory crosstalk.

The review does not provide clinical trial data or specific drug efficacy results. It focuses on the underlying mechanisms of immune-metabolic dysregulation and mucosal barrier remodeling. The findings suggest that cell-selective metabolic checkpoint targeting may serve as a precision strategy for future therapeutic interventions in ulcerative colitis. Clinical application is currently limited by the lack of specific drug trial data.

How this fits prior evidence

This systematic review addresses a gap in the understanding of the underlying mechanisms of ulcerative colitis by identifying the mTOR-glycolytic axis as a driver of inflammation. While previous coverage noted that matrine and oxymatrine show promise in preclinical models by reducing inflammation and histopathological scores, this review focuses on the metabolic-secretory crosstalk and immune-metabolic dysregulation. It provides a mechanistic basis for future precision strategies, complementing existing evidence on dietary interventions and multidisciplinary management of ulcerative colitis.

Living with ulcerative colitis means dealing with constant inflammation and damage to the intestinal lining. New research highlights a specific metabolic pathway, known as the mTOR-glycolytic axis, that acts like a central hub for this inflammation. When this pathway is active, it triggers a series of harmful responses in immune cells, making them more aggressive and less able to regulate the body's immune response.

This metabolic shift also affects the cells that line the gut. When the pathway is active, it can weaken the intestinal barrier and hinder the body's ability to repair those cells. This creates a cycle where the gut is less able to protect itself from harmful triggers.

While this research is a review of existing scientific data and does not provide results from clinical trials or specific drug tests, it points toward a new way to think about treatment. By targeting these specific metabolic checkpoints, doctors may eventually be able to develop more precise ways to manage the disease.

What this means for you:
The mTOR-glycolytic axis acts as a central hub that drives inflammation and gut barrier damage in ulcerative colitis.

Common questions

What is the mTOR-glycolytic axis?

The mTOR-glycolytic axis is a metabolic pathway that acts like a hub or a rheostat. In people with ulcerative colitis, this pathway can drive inflammatory loops and cause the gut lining to function poorly. It affects various immune cells and the cells that form the protective barrier in the intestines.

How does this pathway affect the gut lining?

When this metabolic pathway is active, it can compromise the integrity of the intestinal barrier. It also disrupts the way the gut repairs itself and starts a harmful communication between cells. This makes it harder for the body to maintain a healthy, healthy gut lining.

Does this mean there is a new treatment available?

This research does not provide results from clinical trials or specific drug data. However, it suggests that targeting these specific metabolic checkpoints could be a strategy for future treatments to provide more precise care for people with ulcerative colitis.

Study Details

Study typeSystematic review
EvidenceLevel 1
PublishedSep 2026
View Original Abstract ↓
Ulcerative colitis (UC) is a chronic, relapsing inflammatory disorder of the colonic mucosa, whose pathogenesis is intricately linked to metabolic reprogramming within both immune and epithelial compartments. The mechanistic target of rapamycin (mTOR) signaling pathway serves as a central immunometabolic hub that integrates nutrient availability, microbial cues, and inflammatory signals to orchestrate glycolytic flux, thereby profoundly shaping the functional plasticity of diverse intestinal cell populations. This review systematically delineates, from a cell-type-specific perspective, the divergent regulatory roles of the mTOR-glycolysis axis in intestinal immunity and mucosal barrier homeostasis. We first outline the core molecular architecture of mTORC1/mTORC2-driven glycolytic reprogramming, highlighting key regulatory nodes including GLUT1/3-mediated glucose uptake, HK2-dependent rate-limiting phosphorylation, and PKM2-governed metabolic-transcriptional switching. Subsequently, we examine how aberrant mTOR-glycolysis axis activation in neutrophils, macrophages, type 3 innate lymphoid cells, and CD4+ T effector subsets propagates a feed-forward inflammatory loop—exacerbating oxidative burst, NETosis, M1 polarization, and Th17 pathogenicity—while simultaneously undermining the metabolic fitness and suppressive integrity of regulatory T cells. Moreover, we discuss the metabolic rewiring of intestinal epithelial cells via the mTOR-glycolysis axis, which compromises barrier integrity, disrupts epithelial regeneration, and initiates a “metabolic-secretory” crosstalk that perpetuates mucosal inflammation. Collectively, this review positions the mTOR-glycolysis axis as a rheostat governing the transition from homeostatic immunosurveillance to pathogenic inflammation in UC, and proposes that cell-selective metabolic checkpoint targeting—rather than broad systemic inhibition—represents a promising precision strategy for future therapeutic intervention.
Free Newsletter

Clinical research that matters. Delivered to your inbox.

Join thousands of clinicians and researchers. No spam, unsubscribe anytime.