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Open research questions in Metabolomics and Mass Spectrometry Studies

176 unresolved questions extracted from the limitations and future-work sections of 401 Metabolomics and Mass Spectrometry Studies papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • Most studies have assumed a uniform obesity-MDD association, failing to account for the considerable metabolic heterogeneity among obese individuals. The study highlights the need for precise risk stratification. The current models overlook the unique metabolic landscape of obesity, which fundamentally alters the biological pathways potentially leading to MDD.

    Metabolites stratify future major depressive disorder risk in obese population: a longitudinal machine learning analysis · 2026 · DOI

  • Given the clinical heterogeneity of MDD, future research is warranted to explore whether specific metabolic signatures map onto distinct depressive phenotypes.

    Metabolites stratify future major depressive disorder risk in obese population: a longitudinal machine learning analysis · 2026 · DOI

  • The study had a limited sample size, - The study used previously published metabolomics data of 30 HC, - The validation cohort included only 6 IS patients and 6 HC, - The study did not investigate the underlying mechanisms of the identified metabolites

    Metabolic signatures and diagnostic models of ischemic stroke and its hypertensive subtype: a non-targeted metabolomics and machine learning · 2026 · DOI

  • Investigation of the underlying mechanisms of the identified metabolites, - Validation of the diagnostic model in a larger cohort, - Exploration of the potential of the identified metabolites as therapeutic targets

    Metabolic signatures and diagnostic models of ischemic stroke and its hypertensive subtype: a non-targeted metabolomics and machine learning · 2026 · DOI

  • overcoming current challenges will require both the enhanced resolution and sensitivity of analytical techniques, - more robust frameworks for data integration and interpretation, - addressing the functional characterization of unknown compounds

    Unveiling Plant Metabolic Diversity: Integrating Metabolomics with Multi-Omics Approaches for Crop Improvement · 2026 · DOI

  • The need for a comprehensive understanding of plant metabolic diversity and its relationship to crop improvement. The lack of robust frameworks for data integration and interpretation. The need for enhanced resolution and sensitivity of analytical techniques.

    Unveiling Plant Metabolic Diversity: Integrating Metabolomics with Multi-Omics Approaches for Crop Improvement · 2026 · DOI

  • Minimal missingness in metabolite data, with only 42 (12%) of metabolites having more than 1% of the values missing. Need to account for technical covariates and potential confounders in the analysis. Challenge of identifying metabolites associated with persistent PTSD symptoms in a large-scale, population-based study.

    Persistent PTSD symptoms are associated with plasma metabolic alterations relevant to long-term health: A metabolome-wide investigation in women · 2025 · DOI

  • Prior studies have focused on military and clinical populations, with limited research on civilian populations. There is a need to investigate the metabolic alterations linked to PTSD in a large-scale, population-based study. The study aims to address the gap in understanding the association between PTSD and metabolic alterations.

    Persistent PTSD symptoms are associated with plasma metabolic alterations relevant to long-term health: A metabolome-wide investigation in women · 2025 · DOI

  • Data heterogeneity and limited model interpretability in AI-based TCM target prediction. Causal confounding and insufficient robustness validation in practical applications. The need for continuous optimization of AI algorithms using zero-shot learning, end-to-end architectures, and self-supervised contrastive learning.

    Artificial intelligence in traditional Chinese medicine: advances in multi-metabolite multi-target interaction modeling · 2025 · DOI

  • However, metabolites associated with type 2 diabetes (T2D) risk and their determinants remain insufficiently characterized.

    Circulating metabolites, genetics and lifestyle factors in relation to future risk of type 2 diabetes · 2026 · DOI

  • However, the active metabolites, therapeutic targets, and especially the combination mechanisms remain unclear.

    Artificial intelligence in traditional Chinese medicine: advances in multi-metabolite multi-target interaction modeling · 2025 · DOI

  • Patients with ulcerative colitis (UC) have a higher risk of developing colorectal cancer (CRC), however, the metabolic shifts during the UC-to-CRC transition remain elusive.

    Temporal and Spatial Metabolic Shifts Revealing the Transition from Ulcerative Colitis to Colitis‐Associated Colorectal Cancer · 2025 · DOI

  • The molecular mechanisms of obesity and its associated metabolic dysfunctions are not well understood. The molecular adaptation mechanisms within adipose tissue that mediate long-term metabolic improvements after bariatric surgery remain poorly understood.

    Integrated proteomic and metabolomic profiling identifies distinct molecular signatures and metabolic pathways associated with obesity and potential targets for anti-obesity therapies · 2025 · DOI

  • However, the underlying molecular mechanisms, particularly protein-metabolite regulatory networks, remain poorly understood.

    Integrated proteomic and metabolomic profiling identifies distinct molecular signatures and metabolic pathways associated with obesity and potential targets for anti-obesity therapies · 2025 · DOI

  • The variation in fatty acid composition and its response to environmental factors in natural populations has not been well studied.

    Population variation in fatty acid composition and response to climatic factors in Malania oleifera Chun et S.K. Lee · 2025 · DOI

  • However, whether arachidonic acid (ARA) metabolism is involved in Salmonella-induced intestinal inflammation remains unclear.

    Effects of Salmonella Typhimurium infection on intestinal flora and intestinal tissue arachidonic acid metabolism in Wenchang chickens · 2025 · DOI

  • However, no standard currently exists for jointly integrating microbiome and metabolome datasets within statistical models.

    A systematic benchmark of integrative strategies for microbiome-metabolome data · 2025 · DOI

  • Despite many successful applications, an appropriate control of technical variations is still lacking for result reproducibility assessment and for maximizing the MSI data quality.

    Quality Control Standards for Batch Effect Evaluation and Correction in Mass Spectrometry Imaging · 2025 · DOI

  • Untargeted metabolic profiling of plasma and serum by liquid chromatography-mass spectrometry (LC-MS) is becoming increasingly important in clinical and translational research; however, sample preparation protocols can have a significant impact on study outcomes, and there is currently a lack of standardized approaches.

    Formic Acid Pretreatment Enhances Untargeted Serum and Plasma Metabolomics · 2025 · DOI

  • Purpose Alcohol use disorder (AUD) is a chronic relapsing condition frequently complicated by cognitive impairment (CI), yet its underlying metabolic mechanisms remain poorly understood.

    Integrated metabolomic-lipidomic profiling reveals novel biomarkers and therapeutic targets for alcohol use disorder with cognitive impairment · 2025 · DOI

  • Background Previous studies have reported the application of metabolomics in infectious diseases, but little is known about the potential function of bronchoalveolar lavage fluid (BALF) metabolites in children with (mycoplasma pneumoniae pneumonia) MPP and (refractory mycoplasma pneumoniae pneumonia) RMPP.

    Lipidomics changes in bronchoalveolar lavage fluid of refractory mycoplasma pneumoniae pneumonia: LC-MS-based analysis of potential biomarkers and pathogenesis · 2025 · DOI

  • However, its efficacy against hyperlipidemia and the associated mechanisms remain inadequately defined.

    Integrated metabolomics and network pharmacology to investigate the anti-hyperlipidemia effect of geniposidic acid on high-fat diet induced mice · 2025 · DOI

  • Isoquercitrin (ISO), a natural flavonoid with food-medicine homology, has shown promising antiatherosclerotic potential, yet its underlying mechanisms remain unclear.

    Uncovering the Anti-Atherosclerotic Effect of Isoquercitrin via Microbiome Metabolic Modulation and Network Pharmacology · 2025 · DOI

  • High Resolution Image Download MS PowerPoint Slide Rapeseed products, such as protein concentrates, hold promise for addressing global protein demands, but their application in food products is limited by their bitter and astringent taste.

    Reducing the Bitterness of Rapeseed Protein: Integrating Enzymatic Treatment, Metabolomics, and Sensory Analysis to Elucidate Underlying Mechanisms · 2025 · DOI

  • Abstract Description Background The plasma metabolome changes markedly over the first week of life, yet little is known regarding how these trajectories might differ across geographically distinct populations.

    Common and divergent dynamic changes of the human plasma metabolome across the first week of life in the Gambia and Papua New Guinea 3859 · 2025 · DOI

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176 open questions have been extracted from the limitations and future-work passages of 401 Metabolomics and Mass Spectrometry Studies papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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