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Biochemistry, Genetics and Molecular Biology · Research topic

Open research questions in Genetics, Aging, and Longevity in Model Organisms

385 gap statements mined from Genetics, Aging, and Longevity in Model Organisms papers in our 7.9M-paper local library, which holds 1,931 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

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What the literature leaves open

  • While acute STING inhibition can reduce neuroinflammation and tissue damage, its long-term impact on longevity remains unknown.

    STING deficiency extends median lifespan and mitigates age-related liver pathology in mice · 2026 · DOI

  • The biological basis of this resilience remains poorly understood, partly due to insensitive behavioral testing paradigms.

    COGNITIVE HETEROGENEITY AND AGING: AN AGE-INDEPENDENT CILIARY GENE PROGRAM TRACKS COGNITIVE RESILIENCE IN MICE · 2026 · DOI

  • Despite this convergence, the combined effect of statins and antipsychotics on mitochondrial function, and mechanisms of overall health, remain poorly understood.

    Co-administration of simvastatin mitigates clozapine-induced lifespan extension and mitochondrial functional recovery in Drosophila melanogaster. · 2026 · DOI

  • Aging is accompanied by widespread metabolic change, but it remains unclear which features are shared across species with different physiology, lifespan, and sampling contexts.

    Comparative metabolomics identifies recurrent age-associated pathway remodeling across species · 2026 · DOI

  • Aging is systemic, yet how circulating proteins reflect molecular aging within solid tissues remains unclear.

    Matched Plasma and Tissue Proteomics Reveal the Selective Nature of Circulating Biomarkers of Human Aging · 2026 · DOI

  • Sestrins (SESNs) are a family of stress‐inducible proteins, among which Sestrin1 and Sestrin2 are crucial for maintaining metabolic and redox homeostasis, yet their specific involvement in hepatic senescence remains unclear.

    Sestrin1 Ameliorates Senescence and Mediates the Protective Effects of Exercise Against Hepatic Abnormality in C57BL/6J Mice · 2026 · DOI

  • PhenoAgeAccel may be a useful risk marker and warrants further investigation of aging-targeted strategies.

    Associations of phenotypic age acceleration, genetic risk, and lifestyle with chronic digestive diseases: A large-scale longitudinal cohort study · 2026 · DOI

  • However, the molecular and structural changes in the human cerebellum during healthy aging remain poorly understood.

    Atlas of human cerebellar aging: nonlinear molecular trajectories reveal multidimensional mechanisms underlying cognitive and motor function regulation · 2026 · DOI

  • Heterochronic plasma exchange is widely used to investigate systemic aging; however, its pulmonary consequences particularly regarding oxidative stress, antioxidant defense, and tissue architecture have not been systematically examined.

    Young plasma transfer enhances antioxidant defense and preserves structural integrity in aged lung tissue · 2026 · DOI

  • Although frequently practiced among teenage girls, the effects of DR in this developmental period remain insufficiently investigated, and existing conclusions are scarce.

    Adolescent dietary restriction improves cognition and frailty in aged female Wistar rats · 2026 · DOI

  • However, whether the gut microbiota contributes to the longevity effect of KRG remains unclear.

    Gut microbial load mediates the longevity effect of Korean red ginseng in Drosophila melanogaster · 2026 · DOI

  • We have previously demonstrated in mice that short session (≤10 minute) high-intensity interval training (HIIT) is an effective intervention for frailty, but benefits for cognitive function and reducing hallmarks of aging have not been examined.

    Hallmarks of Aging Associate with High Intensity Interval Training Benefits and Frailty in Female C57Bl/6J Mice · 2026 · DOI

  • However, the host metabolic response to natural senescence and the molecular mechanism underlying the antiaging benefits of senolytics remain poorly understood.

    Senolytics Enhance the Longevity of Caenorhabditis elegans by Altering Betaine Metabolism · 2024 · DOI

  • “Leader cells” remodel ECM, sense guidance cues, reorganize their cytoskeleton, and coordinate follower cells, but the molecular programs enabling these functions remain unclear.

    Stage-specific transcriptomics of a leader cell reveals cell machineries driving collective invasion · 2026 · DOI

  • Future research should focus on: validating the model through prospective clinical studies, and refining predictive capabilities through machine learning approaches.

    Precision Longevity: a Systems Biology framework for dynamic metabolic modulation and Healthspan optimization · 2026 · DOI

  • The need to investigate the intergenerational effects of dietary restriction. The complexity of the mechanisms underlying the intergenerational transfer of ribosome abundance.

    Dietary restriction shapes intergenerational ribosome abundance and early growth of Caenorhabditis elegans offspring · 2026 · DOI

  • The limited understanding of the downstream effectors of the SPE-8/SPE-6 pathway. The difficulty of studying sperm activation in vivo.

    The intrinsically disordered protein SPE-56 is required for acrosomal-like exocytosis and fertility in Caenorhabditis elegans · 2026 · DOI

  • C. elegans lacks a circulatory (cardiovascular) system, a blood-brain barrier, a stomach, bones, and acquired immune responses. Genes or proteins may be limited (fewer isomers) or differ from those in mammals. A direct method to convert the dose/concentration used in C. elegans to mammals is not available.

    Utilizing Caenorhabditis elegans as an In Vivo Model for Identifying Small Molecules Modulating Lipid Metabolism: A Guideline · 2026 · DOI

  • There is a need for a guideline for using C. elegans as an in vivo model for identifying small molecules modulating lipid metabolism. There is a lack of understanding of the basic physiology and genes involved in lipid metabolism in C. elegans.

    Utilizing Caenorhabditis elegans as an In Vivo Model for Identifying Small Molecules Modulating Lipid Metabolism: A Guideline · 2026 · DOI

  • Further research on C. elegans sleep may lead to new therapeutic strategies for improving human sleep. Studying the molecular mechanisms of sleep regulation in C. elegans may provide insights into the development of new treatments for sleep disorders.

    Bedtime story about a worm · 2026 · DOI

  • Currently available methods are impossible to characterize the functionality, control, and robustness of complex biological networks. Underlying nonlinearities impair the ability to construct analytically tractable solutions.

    Shallow recurrent decoders for neural and behavioural dynamics · 2026 · DOI

  • Previously, unusually short-lived males at the University of Texas in 2017 and unusually long-lived females at The Jackson Laboratory in 2022 were identified as potentially anomalous, but no standardized framework existed to determine whether such deviations exceeded expected variation.

    A prediction-interval framework for identifying outlier control cohorts in lifespan studies · 2026 · DOI

  • Addressing the practical obstacles in rearing marine nematodes under controlled conditions. Investigating the potential of other marine nematode families as model organisms.

    Emerging Marine Nematodes as Model Organisms: Which Species for Which Question? · 2025 · DOI

  • Further investigation of the mechanisms underlying the intergenerational transfer of ribosome abundance. Examination of the effects of other environmental conditions on the development and growth of organisms. Study of the applications of the research in fields such as agriculture and biotechnology.

    Dietary restriction shapes intergenerational ribosome abundance and early growth of Caenorhabditis elegans offspring · 2026 · DOI

  • Further characterization of the molecular mechanisms of SPE-56 function. Investigation of the conservation of SPE-56 function in other species. Exploration of the potential applications of SPE-56 in fertility treatments.

    The intrinsically disordered protein SPE-56 is required for acrosomal-like exocytosis and fertility in Caenorhabditis elegans · 2026 · DOI

Most-cited papers in Genetics, Aging, and Longevity in Model Organisms

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Open questions raised by papers listed on this page include: (1) While acute STING inhibition can reduce neuroinflammation and tissue damage, its long-term impact on longevity remains unknown (“STING deficiency extends median lifespan and mitigates age-related liver…”, 2026); (2) The biological basis of this resilience remains poorly understood, partly due to insensitive behavioral testing paradigms (“COGNITIVE HETEROGENEITY AND AGING: AN AGE-INDEPENDENT CILIARY GENE PROGRAM…”, 2026); (3) Despite this convergence, the combined effect of statins and antipsychotics on mitochondrial function, and mechanisms of overall health, remain poorly understood (“Co-administration of simvastatin mitigates clozapine-induced lifespan extension…”, 2026); (4) Aging is accompanied by widespread metabolic change, but it remains unclear which features are shared across species with different physiology, lifespan, and sampling contexts (“Comparative metabolomics identifies recurrent age-associated pathway remodeling…”, 2026); (5) Aging is systemic, yet how circulating proteins reflect molecular aging within solid tissues remains unclear (“Matched Plasma and Tissue Proteomics Reveal the Selective Nature of Circulating…”, 2026). 385 gap statements have been mined from Genetics, Aging, and Longevity in Model Organisms papers in our 7.9M-paper local library, which holds 1,931 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

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