{ "review_date": "2026-10-22", "records": [ { "id": "BIO-ANTHRO-2023", "title": "Motile Living Biobots Self-Construct from Adult Human Somatic Progenitor Seed Cells", "publication_date": "2023-11-30", "date_note": "First online publication; journal issue is 2024. Preserve the original online date.", "doi": "10.1002/advs.202303575", "url": "https://advanced.onlinelibrary.wiley.com/doi/full/10.1002/advs.202303575", "authors": [ "Gizem Gumuskaya", "Pranjal Srivastava", "Ben G. Cooper", "Hannah Lesser", "Ben Semegran", "Simon Garnier", "Michael Levin" ], "evidence_type": "Published experiment — human-derived cells in vitro", "source_access": "Wiley full text and figure captions inspected; supplement not independently inspected. Donor count and donor-to-experiment mapping remain unverified.", "model": "Adult human bronchial epithelial cell-derived motile spheroids; scratch assays in human neural monolayers.", "donors": { "count": null, "status": "Unknown from inspected material; do not substitute bot counts or experiment counts." }, "experimental_units": "Individual spheroids for morphology/motility; 10 experimental bridge replicates in Figure 6. Five maintained bridging connectivity, and closure was reported beneath all five.", "controls": "Native uninjured neural tissue, adjacent/distal scratch regions, and passive agarose loading comparator.", "endpoints": "Morphology, ciliary movement, trajectories and neuronal pixel coverage at scratch bridges.", "findings": "Adult somatic cells self-organized into motile constructs without direct genetic editing; stable bridges were associated with localized gap closure.", "limitations": "In-vitro gap coverage does not establish restoration of a functioning nervous system, clinical repair, or a bioelectric mechanism. Selection of stable bridges matters; donor replication is unresolved.", "next_test": "Audit donor/batch mapping and blinded gap scoring; distinguish migration, proliferation and survival; add electrophysiological and durable connectivity endpoints before functional neural claims.", "human_clinical_evidence": "None established by this study.", "programs": [ "K01", "K02", "K07", "K08" ], "slug": "anthrobots-2023", "short": "Self-organization and local neural-gap closure", "route": "/research/bioelectricity/anthrobots-2023/" }, { "id": "BIO-ANTHRO-2025", "title": "The Morphological, Behavioral, and Transcriptomic Life Cycle of Anthrobots", "publication_date": "2025-06-06", "date_note": "First online publication; issue date is 2025-08-21.", "doi": "10.1002/advs.202409330", "url": "https://advanced.onlinelibrary.wiley.com/doi/10.1002/advs.202409330", "authors": [ "Gizem Gumuskaya", "Nikolai Davey", "Pranjal Srivastava", "Andrew Bender", "Léo Pio-Lopez", "Douglas Hazel", "Michael Levin" ], "evidence_type": "Published experiment — human-derived cells in vitro", "source_access": "Wiley main text/Figure 5 inspected. Supporting DOCX located but inaccessible: web tool could not retrieve it and direct publisher request returned 403. PMC mirror returned a browser check. Clock methods remain partially unverified.", "model": "Airway-cell-derived Anthrobots across their life cycle; methylation-clock comparison.", "donors": { "count": 1, "age_years": 21, "scope": "Clock experiment", "status": "Verified in Figure 5 and main text." }, "experimental_units": "Figure 5 n values 12, 6, 3, 3 are reported counts, not donors. Exact biological/technical replicate hierarchy unknown. Approximately 1,000 bots at day 10 and 600 at day 25 are also reported, not independent donors.", "controls": "Passage-1 primary cells and same-source air–liquid-interface airway tissue comparator.", "endpoints": "Methylation clock estimates, morphology, motility, transcription and structural recovery.", "figure5": [ { "condition": "Passage-1 baseline", "estimate_years": 23.7, "reported_n": 12 }, { "condition": "Anthrobot day 10", "estimate_years": 19.1, "reported_n": 6 }, { "condition": "Anthrobot day 25", "estimate_years": 20.0, "reported_n": 3 }, { "condition": "Air–liquid interface", "estimate_years": 25.7, "reported_n": 3 } ], "findings": "Clock estimates differed by configuration/time in one donor.", "discrepancy": "UNRESOLVED: Figure 5 gives 23.7→19.1 years; main text gives 25→18.7 and approximately 25%. Preserve both; do not silently reconcile.", "clock_algorithm": null, "clock_version": null, "preprocessing": null, "replicate_hierarchy": null, "methods_status": "Unknown until Supporting Information S5 and sample-level provenance are inspected. Main text mentions MethylationEPIC assays but does not verify the clock implementation.", "limitations": "Single-donor result; younger clock estimates do not prove durable rejuvenation, restored function or bioelectric causation. Composition, handling and configuration are potential confounders requiring tests.", "next_test": "Reconcile source discrepancy, obtain supplement and sample hierarchy, then assess donor-level replication with matched handling/time and 2D/3D comparators plus prespecified function, identity, viability and durability outcomes.", "human_clinical_evidence": "None established by this study.", "programs": [ "K01", "K02", "K08" ], "slug": "anthrobot-clock-2025", "short": "One donor. Conflicting clock estimates.", "route": "/research/bioelectricity/anthrobot-clock-2025/" }, { "id": "BIO-KERATINOCYTE-2025", "title": "Bioelectric characterization of senescing human keratinocytes", "publication_date": "2025-08-07", "date_note": "PubMed records August 7 publication and September 19, 2025 eCollection. Do not relabel as 2026 research.", "doi": "10.1016/j.isci.2025.113275", "url": "https://www.sciencedirect.com/science/article/pii/S2589004225015366", "accessible_source": "https://pubmed.ncbi.nlm.nih.gov/41054538/", "authors": [ "Hamid Sediqi", "Michael Levin" ], "evidence_type": "Published experiment — human-derived cells in vitro", "source_access": "Publisher and supplementary PDF requests returned 403; PMC returned browser check. PubMed abstract, metadata and complete figure captions inspected. Donor/source hierarchy remains unverified.", "model": "Human epidermal keratinocytes undergoing culture-associated senescence.", "donors": { "count": null, "status": "Unknown; biological replicate counts must not be presented as donor counts." }, "experimental_units": "Culture-level biological replicates; n differs by endpoint. Figure 1 reports n=6. Figure 5 cytokine tests report four biological replicates with technical triplicates.", "controls": "Earlier culture time points, control medium, and hyperpolarizing/depolarizing comparisons; short post-treatment observation.", "endpoints": "Voltage-sensitive fluorescence/lifetime, spatial organization, cell counts, senescence markers, chromatin condensation and cytokines.", "findings": "Senescence associated with depolarization and reduced spatial organization/responsiveness. Electrical perturbations changed selected phenotypes. Pinacidil SA-β-Gal was not significantly different from control (Figure 5).", "limitations": "Culture phenotypes and dye-based measures do not establish human rejuvenation or durable tissue restoration. Drug specificity, donor generalizability and long-term safety require separate tests.", "next_test": "Audit source-cell and replicate provenance; test orthogonal voltage measurements, matched perturbation controls and donor-level replication with a prespecified functional endpoint and longer follow-up.", "human_clinical_evidence": "None established by this study.", "programs": [ "K01", "K02", "K08" ], "slug": "keratinocyte-bioelectricity-2025", "short": "Keratinocyte voltage and senescence", "route": "/research/bioelectricity/keratinocyte-bioelectricity-2025/" }, { "id": "BIO-BETSE-2016", "title": "Exploring Instructive Physiological Signaling with the Bioelectric Tissue Simulation Engine", "authors": [ "Alexis Pietak", "Michael Levin" ], "publication_date": "2016-07-06", "doi": "10.3389/fbioe.2016.00055", "url": "https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2016.00055/full", "evidence_class": "Published simulation", "model": "Finite-volume multiphysics model of cellular ion transport, membrane voltage and gap-junction coupling.", "donors": "Not applicable: computational study; comparisons use published biological measurements.", "experimental_units": "Simulation configurations, not independent biological donors. One validation uses 35 simulated isolated cells.", "controls": "Analytical Nernst/GHK checks and comparisons with published Xenopus oocyte measurements.", "endpoints": "Membrane voltage, ionic concentrations and spatial/temporal physiological patterns.", "findings": "Model reproduced selected physiological benchmarks; the oocyte comparison reported less than 10% difference after equilibration.", "limitations": "Conditional on equations, geometry, parameters and assumptions; not an aging clock or an Anthrobot rejuvenation validation.", "next_test": "For a new application, test sensitivity and numerical convergence, then compare held-out voltage time courses from the relevant biological system.", "source_access": "Publisher full text accessed. Supplementary material and software were not independently executed or audited.", "human_clinical_evidence": "None in this simulation study.", "slug": "betse-2016", "short": "BETSE: a computational framework", "route": "/research/bioelectricity/betse-2016/", "evidence_type": "Published simulation" }, { "id": "BIO-XENOPUS-2022", "title": "Acute multidrug delivery via a wearable bioreactor facilitates long-term limb regeneration and functional recovery in adult Xenopus laevis", "authors": [ "Nirosha J. Murugan", "Hannah J. Vigran", "Kelsie A. Miller", "Annie Golding", "Quang L. Pham", "Megan M. Sperry", "Cody Rasmussen-Ivey", "Anna W. Kane", "David L. Kaplan", "Michael Levin" ], "publication_date": "2022-01-26", "issue_date": "2022-01-28", "doi": "10.1126/sciadv.abj2164", "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC8791464/", "evidence_class": "Published animal experiment", "model": "Adult female Xenopus laevis hindlimb injury.", "donors": "Human donors: not applicable. Methods report 115 animals overall; endpoint-specific subsets differ.", "experimental_units": "Animals; tissue sections and repeated measurements are nested observations. Full endpoint-level sample hierarchy not independently audited.", "controls": "Random assignment to no device, BioDome only, or BioDome plus multidrug treatment.", "endpoints": "Regrowth, tissue patterning, histology, gene expression and sensorimotor function over 18 months.", "findings": "Combined treatment improved tissue complexity and functional responses relative to controls.", "limitations": "A combined intervention in frogs; not a complete normal limb, a human therapy, or proof of voltage-specific causation.", "next_test": "Independent replication with prespecified functional outcomes and blinded scoring; isolate contributions of device and treatment components.", "source_access": "Direct PMC opening returned a browser check; indexed primary full-text content and PubMed metadata were available. Publisher returned 403. Supplement and raw data not independently audited.", "human_clinical_evidence": "None.", "slug": "xenopus-regeneration-2022", "short": "Adult frog regeneration and function", "route": "/research/bioelectricity/xenopus-regeneration-2022/", "evidence_type": "Published animal experiment" } ], "source_access": { "verified": [ "Original online dates and DOI identity", "Authorship including Gizem Gumuskaya", "2025 single-donor clock experiment", "Figure 5 counts and values", "Main-text numerical conflict", "Keratinocyte figure-level endpoints and replicate captions" ], "unresolved": [ "2025 clock algorithm and version", "2025 preprocessing pipeline", "2025 biological/technical replicate hierarchy", "2023 exact donor count and experiment mapping", "Keratinocyte donor count and culture-to-donor mapping" ], "supplement_url": "https://advanced.onlinelibrary.wiley.com/doi/suppl/10.1002/advs.202409330/supinfo/advs11772-sup-0001-SuppMat.docx", "keratinocyte_supplement_url": "https://www.cell.com/cms/10.1016/j.isci.2025.113275/attachment/d0ab56e1-f6c3-45f2-94b5-6040800008b1/mmc1.pdf", "clinical_classification": "Human cells are not human clinical evidence. No human therapy inference is supported by these records.", "reuse_note": "Use concise summaries linked to originals. These records are critical source analyses, not reproductions of full papers. No researcher was contacted." }, "identity": { "name": "Michael Levin", "url": "https://engineering.tufts.edu/bme/people/faculty/michael-levin", "publication_date": "Not displayed; institutional profile accessed 2026-10-22.", "summary": "Tufts faculty profile identifies Michael Levin and describes research on morphological and behavioral information processing, developmental biology and computational modeling.", "source_access": "Direct opening returned 403; search retrieval supplied the institutional profile text.", "affiliation_boundary": "Citation supplies author attribution only. It establishes no Karam affiliation, partnership, endorsement or rights transfer." }, "prior_art": [ { "publication": "WO2022115790A1", "title": "Engineered multicellular organisms", "publication_date": "2022-06-02", "priority_date_as_listed": "2020-11-30", "inventors_as_listed": [ "Michael Levin", "Gizem Gumuskaya" ], "assignee_as_listed": "Tufts University", "url": "https://patents.google.com/patent/WO2022115790A1/en", "relevance": "Published claims address self-motile apical-out ciliated multicellular aggregates and associated uses. Relevant prior art for Anthrobot-related development.", "source_access": "Google Patents publication text and claims accessible; official registers, national families and assignment chain not independently verified.", "next_review": "Map a concrete proposed implementation against relevant claims and disclosures, with qualified patent counsel." }, { "publication": "WO2026035859A1", "title": "Use of engineered multicellular organisms for screening antiaging and pro-regenerative compositions", "publication_date": "2026-02-12", "priority_date_as_listed": "2024-08-06", "inventors_as_listed": [ "Michael Levin" ], "assignee_as_listed": "Tufts University", "url": "https://patents.google.com/patent/WO2026035859A1/en", "relevance": "Directly concerns antiaging/pro-regenerative screening with multicellular constructs. Published claims include longevity comparisons and methylation-clock analysis. The broad screening idea cannot be presented as new Karam IP.", "source_access": "Google Patents publication text and claims accessible; official registers, national families and assignment chain not independently verified.", "next_review": "Record dates, disclosures and concrete implementation differences; obtain claim-by-claim legal review before commercialization." } ], "licensing_context": { "title": "Tufts Center for Regenerative and Developmental Biology — Biotech Opportunities", "url": "https://as.tufts.edu/biology/tufts-center-regenerative-and-developmental-biology/biotech-opportunities", "publication_date": "Undated page; accessed 2026-10-22. Do not substitute access date for publication date.", "summary": "Tufts describes applications of its bioelectric research and commercial spinoffs. This is institutional commercialization context, not an offered license to Karam or proof of human efficacy.", "source_access": "Full institutional page accessible; current deal availability and terms not verified." }, "workflow_boundary": { "patentability": "Unresolved: novelty and inventive distinction require a defined implementation and broader prior-art review.", "ownership": "Unresolved: inventor and assignee labels do not establish Karam ownership or a verified assignment chain.", "licensing": "Unresolved: no license, permission or partnership has been established.", "freedom_to_operate": "Unresolved: jurisdiction-specific live claims and the proposed activity require separate review.", "database_status": "Do not infer permission from database status labels. Google itself qualifies status and assignee fields.", "contact": "No one was contacted." } }