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Biomarker

Biomarker articles covering signals used to study, predict, monitor, or measure Crohn's disease and IBD activity or treatment response.

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Longitudinal visceral adipose heterogeneity supports digital health stratification of infliximab response loss in Crohn disease
Springer Science and Business Media LLC

Longitudinal visceral adipose heterogeneity supports digital health stratification of infliximab response loss in Crohn disease

If validated, an imaging-derived adipose heterogeneity biomarker could help predict who will lose response to infliximab after induction, potentially guiding earlier treatment decisions and personalized monitoring for...

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Microbiota-Immune Interaction Landscape of Treg/Th17 Dynamic Balance in Regulating Mucosal Immune Homeostasis: From Molecular Switches to Precision Intervention in Inflammatory Bowel Disease
Discovery Medicine

Microbiota-Immune Interaction Landscape of Treg/Th17 Dynamic Balance in Regulating Mucosal Immune Homeostasis: From Molecular Switches to Precision Intervention in Inflammatory Bowel Disease

Treg/Th17 balance is a central immune mechanism implicated in IBD pathogenesis; understanding how microbes, metabolites, and tissue context control that balance could inform new biomarkers and targeted therapies.

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Pesticide Residues, Gut Microbiota, and Gastrointestinal Outcomes: A Scoping Review of Human Evidence
Comprehensive Reviews in Food Science and Food Safety

Pesticide Residues, Gut Microbiota, and Gastrointestinal Outcomes: A Scoping Review of Human Evidence

This review summarizes human evidence that pesticides in the diet could affect the gut microbiome and may be linked to gastrointestinal outcomes including IBD; strongest consistent signals were for organochlorine...

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Serum leucine-rich α-2-glycoprotein and monocyte chemoattractant protein-1 as novel biomarkers for predicting vedolizumab response in patients with ulcerative colitis.
Crohn's & colitis 360

Serum leucine-rich α-2-glycoprotein and monocyte chemoattractant protein-1 as novel biomarkers for predicting vedolizumab response in patients with ulcerative colitis.

Blood biomarkers that predict vedolizumab response could help patients and clinicians choose the most effective therapy sooner and avoid ineffective treatments. The study suggests LRG and MCP‑1 may differentiate...

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Anti‐Integrin αvβ6 Autoantibodies Distinguish Ulcerative Colitis From Crohn's Disease With High Diagnostic Accuracy and Outperform ANCA and ASCA Status: A Prospective Cross‐Sectional Study
Alimentary Pharmacology & Therapeutics

Anti‐Integrin αvβ6 Autoantibodies Distinguish Ulcerative Colitis From Crohn's Disease With High Diagnostic Accuracy and Outperform ANCA and ASCA Status: A Prospective Cross‐Sectional Study

A blood biomarker that reliably distinguishes UC from CD could help when endoscopy or histology are inconclusive and improve diagnostic confidence. This paper reports a candidate autoantibody (anti‑integrin αvβ6) with...

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Analysis of multiplexed SERS-based lateral flow assays: turning qualitative into quantitative for inflammatory bowel disease monitoring.
The Analyst

Analysis of multiplexed SERS-based lateral flow assays: turning qualitative into quantitative for inflammatory bowel disease monitoring.

Quantitative, rapid stool tests could make it easier to track intestinal inflammation without central lab delays. If translated to clinical use, SERS-enhanced lateral-flow assays might allow more frequent, point-of-care...

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Anti-Integrin αvβ6 Autoantibodies Distinguish Ulcerative Colitis From Crohn's Disease With High Diagnostic Accuracy and Outperform ANCA and ASCA Status: A Prospective Cross-Sectional Study.
Alimentary pharmacology & therapeutics

Anti-Integrin αvβ6 Autoantibodies Distinguish Ulcerative Colitis From Crohn's Disease With High Diagnostic Accuracy and Outperform ANCA and ASCA Status: A Prospective Cross-Sectional Study.

A blood test that more reliably distinguishes UC from CD could reduce diagnostic uncertainty and help guide appropriate long‑term management for people with colonic inflammatory bowel disease.

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Low ALIX expression might promote mucosal inflammation in the colon of patients with ulcerative colitis, possibly by promoting pyroptosis: an in silico analysis
Comparative Clinical Pathology

Low ALIX expression might promote mucosal inflammation in the colon of patients with ulcerative colitis, possibly by promoting pyroptosis: an in silico analysis

The paper suggests a new molecular link—low ALIX expression—to inflammatory cell death (pyroptosis) that might help explain mucosal inflammation in ulcerative colitis. If validated, that pathway could point to biomarkers...

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Inflammation-driven carcinogenesis in ulcerative colitis: Molecular and immunological pathways
World Journal of Gastrointestinal Oncology

Inflammation-driven carcinogenesis in ulcerative colitis: Molecular and immunological pathways

People with ulcerative colitis face a higher colorectal cancer risk driven in part by chronic inflammation; this review explains the molecular and immune mechanisms behind that risk and highlights biomarkers and...

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Disrupted terminal bilirubin catabolism links Lachnospiraceae depletion to inflammatory bowel disease
Frontiers in Microbiology

Disrupted terminal bilirubin catabolism links Lachnospiraceae depletion to inflammatory bowel disease

Identifies specific gut bacteria and fecal bilirubin metabolites that may link microbial loss to increased oxidative burden in IBD; suggests new biomarker candidates and targets for functional follow-up.

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C-Reactive Protein-to-Albumin Ratio in Pediatric Inflammatory Bowel Disease: Associations with Disease Activity and Comparison with C-Reactive Protein Alone
Diagnostics

C-Reactive Protein-to-Albumin Ratio in Pediatric Inflammatory Bowel Disease: Associations with Disease Activity and Comparison with C-Reactive Protein Alone

This paper evaluates CAR, a simple blood‑based biomarker, in children with IBD and finds it reflects disease severity and changes over time in pediatric Crohn’s disease. That matters because reliable, easy-to-measure...

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Plasma Proteomic Profiling Identifies Biomarkers and Therapeutic Targets for Predicting Osteoporosis Risk in Patients with Inflammatory Bowel Disease.
The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology

Plasma Proteomic Profiling Identifies Biomarkers and Therapeutic Targets for Predicting Osteoporosis Risk in Patients with Inflammatory Bowel Disease.

IBD increases risk of osteoporosis; identifying blood proteins that predict later bone loss could help flag higher-risk patients and reveal biological links between gut inflammation and bone health.

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Multiple paths to health: A scoping review of dietary interventions for adults with Crohn's disease and ulcerative colitis.
Therapeutic advances in gastroenterology

Multiple paths to health: A scoping review of dietary interventions for adults with Crohn's disease and ulcerative colitis.

Many people with IBD try dietary changes to manage symptoms. This review summarizes what published adult studies report and points toward whole-food and Mediterranean-style patterns as commonly supported approaches.

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Persistent elevation of serum LBP, IL-23 and IL-6 in infliximab-maintained Crohn's disease: a case–control study from Iraq with the serum LBP/albumin ratio as a novel composite biomarker
Journal of Genetic Engineering and Biotechnology

Persistent elevation of serum LBP, IL-23 and IL-6 in infliximab-maintained Crohn's disease: a case–control study from Iraq with the serum LBP/albumin ratio as a novel composite biomarker

Based on the title and source metadata, this appears to be a clinical study related to Crohn's disease, Inflammatory bowel disease, and Infliximab. The original article is from Journal of Genetic Engineering and...

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Evaluation of pharmacokinetic metrics and pharmacodynamic biomarkers associated with endoscopic healing in pediatric Crohn's disease patients treated with anti-tumor necrosis factor biologics.
Crohn's & colitis 360

Evaluation of pharmacokinetic metrics and pharmacodynamic biomarkers associated with endoscopic healing in pediatric Crohn's disease patients treated with anti-tumor necrosis factor biologics.

Identifies candidate drug‑level and immune biomarker cut‑points linked with endoscopic healing in pediatric Crohn's disease, which could help guide dosing or treatment changes if validated.

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Rapid fecal lipidome profiling in inflammatory bowel disease: A novel approach for exploratory disease molecular characterization and therapeutic monitoring.
Journal of pharmaceutical and biomedical analysis

Rapid fecal lipidome profiling in inflammatory bowel disease: A novel approach for exploratory disease molecular characterization and therapeutic monitoring.

Non-invasive fecal lipid markers could help differentiate UC from CD and improve diagnostic molecular profiling in IBD if validated, which may be useful for patients and clinicians seeking less-invasive diagnostic tools.

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Inflammatory and Immune Cytoprofiles of Active Ulcerative Colitis from Crohn’s Disease—Insights from Multivariable Modeling
International Journal of Molecular Sciences

Inflammatory and Immune Cytoprofiles of Active Ulcerative Colitis from Crohn’s Disease—Insights from Multivariable Modeling

Distinct circulating immune signatures could help differentiate active UC from CD and suggest disease-specific pathways that might guide future biomarkers or therapies.

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Circulating microRNAs as biomarkers of disease activity and treatment response in Crohn’s disease patients receiving infliximab or vedolizumab: a longitudinal cohort study
Frontiers in Medicine

Circulating microRNAs as biomarkers of disease activity and treatment response in Crohn’s disease patients receiving infliximab or vedolizumab: a longitudinal cohort study

If validated, blood microRNAs could become noninvasive biomarkers to help track inflammation and predict biochemical response to infliximab or vedolizumab in Crohn’s disease, complementing CRP and fecal calprotectin.

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Azoreductase-Responsive NIR Fluorescent Self-Assembled Probe for Hypoxia Imaging of Tumors, Hindlimb Ischemia, and Ulcerative Colitis
Analytical Chemistry

Azoreductase-Responsive NIR Fluorescent Self-Assembled Probe for Hypoxia Imaging of Tumors, Hindlimb Ischemia, and Ulcerative Colitis

The probe targets azoreductase-driven hypoxia, a mechanism linked to ulcerative colitis and other hypoxia-associated diseases; a reliable real-time imaging method could help research and eventually guide treatments.

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Integrated Transcriptomic and Machine-Learning Analyses Identify Shared Na+ Overload-Related Gene Signatures in Inflammatory Bowel Disease and Ankylosing Spondylitis
Genes

Integrated Transcriptomic and Machine-Learning Analyses Identify Shared Na+ Overload-Related Gene Signatures in Inflammatory Bowel Disease and Ankylosing Spondylitis

The study links shared gene-expression patterns between IBD and ankylosing spondylitis and highlights STAT3 as a potential shared biomarker or therapeutic target, which could be relevant for understanding overlapping...

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The causal role of plasma protein ratios in ulcerative colitis: insights from mendelian randomization and single-cell sequencing.
Open medicine (Warsaw, Poland)

The causal role of plasma protein ratios in ulcerative colitis: insights from mendelian randomization and single-cell sequencing.

Researchers used genetics plus single-cell sequencing and ELISA to prioritize plasma protein ratios that may causally relate to ulcerative colitis. If validated in larger studies, such biomarkers could help with...

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Drug-Drug Interaction Risk Assessment Strategies for Biologics in Inflammatory Bowel Disease: A Literature-Based Evidence Mini-Review.
Clinical and translational science

Drug-Drug Interaction Risk Assessment Strategies for Biologics in Inflammatory Bowel Disease: A Literature-Based Evidence Mini-Review.

If you have IBD and take biologic therapy plus other medicines, inflammation and anti-cytokine treatment may change how your other drugs are metabolized. This review discusses ways researchers are trying to predict and...

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Clinical study on the screening of biomarkers for Crohn's disease based on blood metabolomics.
Frontiers in gastroenterology (Lausanne, Switzerland)

Clinical study on the screening of biomarkers for Crohn's disease based on blood metabolomics.

The study suggests blood metabolite patterns differ by biologic therapy and identifies candidate biomarkers that might help develop less-invasive monitoring tools for inflammation and treatment effects in Crohn’s...

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Fucose metabolism as a central axis linking inflammation, immunity, and cancer in the gut.
Frontiers in immunology

Fucose metabolism as a central axis linking inflammation, immunity, and cancer in the gut.

Researchers and clinicians are exploring how fucose metabolism affects gut barrier function, immunity, and microbiota — processes central to IBD and colorectal cancer. If validated, fucosylation biomarkers or treatments...

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C2 Integrative Analysis of Intestinal Transcriptomes UnderscoresUpregulation in IBD, AIG, EoE, and CRC.
Bioinformatics and biology insights

C2 Integrative Analysis of Intestinal Transcriptomes UnderscoresUpregulation in IBD, AIG, EoE, and CRC.

Researchers and clinicians looking for blood- or tissue-based molecular tests for IBD may find these integrated transcriptomic analyses useful because they identify candidate diagnostic biomarkers and highlight shared...

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Integrated DIA proteomics of tissue and exudate reveals screening markers for early detection of ulcerative colitis and colorectal cancer.
Clinica chimica acta; international journal of clinical chemistry

Integrated DIA proteomics of tissue and exudate reveals screening markers for early detection of ulcerative colitis and colorectal cancer.

Early, noninvasive biomarkers could help detect ulcerative colitis and related colorectal cancer risk sooner. This study identifies four serum-accessible proteins with promising diagnostic accuracy in the reported...

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Auricular Vagus Nerve Stimulation in Inflammatory Bowel Disease: Mechanistic Insights and Biomarker-Based Evaluation of Therapeutic Response
International Journal of Molecular Sciences

Auricular Vagus Nerve Stimulation in Inflammatory Bowel Disease: Mechanistic Insights and Biomarker-Based Evaluation of Therapeutic Response

This review examines a noninvasive neuromodulation strategy (ta‑VNS) that might modulate immune and gut‑barrier biomarkers in IBD and could become an adjunctive therapy if validated in trials. Patients and clinicians may...

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A Study of the Efficacy and Safety of Guselkumab in Participants With Moderately to Severely Active Crohn's Disease
ClinicalTrials.gov

A Study of the Efficacy and Safety of Guselkumab in Participants With Moderately to Severely Active Crohn's Disease

This registered Phase 2/3 program is evaluating guselkumab (an IL‑23 inhibitor) for moderate–severe Crohn's disease and could expand treatment options if trials show benefit and safety. The studies include clinical and...

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Agricultural chemicals and gut microbiota dysbiosis: implications for the pathogenesis of inflammatory bowel disease.
Frontiers in nutrition

Agricultural chemicals and gut microbiota dysbiosis: implications for the pathogenesis of inflammatory bowel disease.

Environmental exposures from agricultural chemicals may affect the gut microbiome and intestinal inflammation, which could be one factor influencing IBD risk or flares. Understanding these links could point to preventive...

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Identification of IL1RN, MUC1, and SERPINA1 as key NET-related biomarkers in ulcerative colitis-associated intestinal fibrosis via bioinformatics and experimental validation
BMC Gastroenterology

Identification of IL1RN, MUC1, and SERPINA1 as key NET-related biomarkers in ulcerative colitis-associated intestinal fibrosis via bioinformatics and experimental validation

Intestinal fibrosis is a serious complication of long-standing ulcerative colitis. Identifying NET-related biomarkers (IL1RN, MUC1, SERPINA1) could help researchers develop better diagnostic tools or treatments targeting...

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