ReviewInternational journal of molecular sciences2026
Insulin Resistance as a Systemic Metabolic Risk State for Cancer: Mechanisms, Biomarkers, and Prevention.
Review in International journal of molecular sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
7 authors.
Funding
Abstract
Insulin resistance (IR) is traditionally viewed within the context of type 2 diabetes. However, it increasingly appears to represent a broader systemic metabolic risk state with potential relevance for carcinogenesis. Chronic hyperinsulinemia can activate insulin-like growth factor-1-dependent pathways, including phosphoinositide 3-kinase/protein kinase B/mechanistic target of rapamycin and mitogen-activated protein kinase signaling, promoting cellular proliferation while limiting apoptosis. At the same time, IR is closely linked to oxidative stress, chronic low-grade inflammation, and epigenetic alterations, together shaping a tumor-promoting microenvironment. Epidemiological studies report consistent associations between IR and increased cancer risk, particularly for endometrial, liver, and colorectal cancers. Yet causality remains uncertain and likely varies by tumor type. Notably, metabolic dysfunction may also occur in individuals with normal body mass index (BMI), underscoring the limitations of BMI-based risk assessment. Unlike previous reviews that primarily focused on individual mechanisms or epidemiological associations, this review examines IR as a systemic metabolic risk state by integrating molecular, epidemiological, biomarker-based, and prevention-oriented perspectives. Particular emphasis is placed on strategies for earlier risk identification using integrated biomarker approaches, including fasting glucose, homeostatic model assessment of insulin resistance, triglyceride-to-high-density lipoprotein ratio, high-sensitivity C-reactive protein, and insulin-like growth factor-1. Emerging tools such as continuous glucose monitoring and hepatokine profiling may further refine risk detection. Sustained lifestyle modification-diet, physical activity, sleep, and stress regulation-remains central to prevention. Pharmacological therapies, including glucagon-like peptide-1 receptor agonists and dual incretin agents, offer additional metabolic benefits, although their long-term impact on cancer risk is still unclear. Therefore, IR is best understood not as an isolated risk factor, but as a systemic metabolic risk state that may influence cancer development, with implications for prevention and early risk stratification.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.