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May 23 in Longevity and AI

Gathered globally: 7, selected: 6.

The News Aggregator is an artificial intelligence system that gathers and filters global news on longevity and artificial intelligence, and provides tailored multilingual content of varying sophistication to help users understand what's happening in the world of longevity and AI.


Researchers at Changhua Christian Hospital and National Chung Hsing University deploy Random Forest and XGBoost models on Raspberry Pi edge devices to process ventilator-derived respiratory and pressure metrics, predicting extubation success and cutting server data uploads by over 80%, enhancing system reliability.

Key points

  • Deployment of Random Forest and XGBoost on Raspberry Pi edge devices analyzing Vte, RR and airway pressures for extubation prediction.
  • XGBoost outperforms Random Forest in tenfold and holdout validations, achieving over 90% accuracy with reduced inference time.
  • Edge inference reduces server data uploads by 83.33%, minimizing latency and enhancing system stability for ICU decision support.

Why it matters: Deploying AI models directly on edge devices cuts latency and data load, offering clinicians faster, more reliable extubation decision support.

Q&A

  • What is edge computing?
  • Why predict ventilator extubation success?
  • How do Random Forest and XGBoost differ?
  • What metrics evaluate model performance?
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Enhancing healthcare AI stability with edge computing and machine learning for extubation prediction

A team from the Institute for Animal Science and Technology at Universitat Politècnica de València conducted longitudinal 16S rRNA sequencing on 319 fecal samples from two maternal rabbit lines. Through alpha and beta diversity analyses and zero-inflated negative binomial mixed models, they identify age-driven declines in microbial diversity and taxa abundance, highlighting biomarkers tied to functional longevity.

Key points

  • Longitudinal 16S rRNA sequencing of 319 rabbit fecal samples across reproductive life reveals declines in observed richness, Shannon diversity, and evenness.
  • Aitchison-based PCA and PERMANOVA show age explains 6% of microbiome composition variance, indicating significant beta diversity changes.
  • Zero-inflated negative binomial mixed models identify over 20% of ASVs with age-dependent abundance shifts, mostly negative, across two maternal lines.

Why it matters: Identifying age-associated microbiome shifts offers biomarkers to enhance rabbit longevity selection and welfare.

Q&A

  • What is alpha diversity?
  • How does Aitchison distance work?
  • What is a zero-inflated negative binomial mixed model (ZINBMM)?
  • Why compare two maternal rabbit lines?
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Gut microbiota variations over the lifespan and longevity in rabbit's maternal lines

A team from Kırıkkale University systematically evaluated ScholarGPT, ChatGPT-4o, and Google Gemini on 30 endodontic apical surgery questions sourced from Cohen’s Pathways of the Pulp. Analyzing 5,400 responses, they found ScholarGPT achieved 97.7% accuracy, markedly higher than ChatGPT-4o’s 90.1% and Gemini’s 59.5%.

Key points

  • 5,400 responses to 30 endodontic apical surgery questions (12 dichotomous, 18 open-ended) drawn from Cohen’s Pathways of the Pulp.
  • ScholarGPT (academic-tuned LLM) attains 97.7% accuracy versus ChatGPT-4o’s 90.1% and Gemini’s 59.5% (χ2=22.61, p<0.05).
  • High inter-rater reliability confirmed by weighted Cohen’s kappa (κ=0.85) for coding correctness.

Why it matters: Demonstrating an academic-tuned GPT’s superior accuracy underscores the value of specialized LLMs for reliable clinical decision support in dentistry.

Q&A

  • What makes ScholarGPT different?
  • How was model performance evaluated?
  • What are limitations of this study?
  • Why use both dichotomous and open-ended questions?
  • What is endodontic apical surgery?
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Assessment of various artificial intelligence applications in responding to technical questions in endodontic surgery

The team at Northwestern University develops engineered peptide amphiphile nanofibers that self-assemble through supramolecular polymerization to capture monomeric and oligomeric amyloid beta species. By incorporating bound Aβ42 into metastable nanostructures, the approach prevents neuronal uptake and maintains cell viability in vitro. This strategy targets early-stage soluble amyloid aggregates, offering a novel chemical tool to inhibit neurodegenerative processes associated with Alzheimer’s disease.

Key points

  • Glycopeptide amphiphile nanofibers self-assemble via supramolecular copolymerization to form metastable structures that bind Aβ42 monomers and oligomers.
  • Trehalose-functionalized peptides enhance nanofiber reactivity, physically entrapping soluble amyloid β42 and preventing neuronal uptake in iPSC-derived neuron cultures.
  • Nanofiber treatment reduces Aβ-induced neuron death by over 60% in vitro, demonstrating cytoprotective efficacy against early Alzheimer’s pathogenesis.

Why it matters: Nanofiber trapping provides a chemical intervention to neutralize early soluble amyloid β, potentially transforming Alzheimer’s treatment at its source.

Q&A

  • What are peptide amphiphiles?
  • How do nanostructures block amyloid beta uptake?
  • Why target soluble amyloid beta instead of plaques?
  • What role does trehalose play in the nanofiber design?
  • Can these nanofibers cross the blood-brain barrier?
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Nanostructures Trap Amyloid Beta, Rescuing Neurons - Scientists have created engineered nanostructures that bind monomers and oligomers of harmful amyloid beta (Aβ) protein, preventing them from entering neurons and drastically increasing the cells’ survival in vitro.

Researchers publishing in Neurotherapeutics conducted a Phase 1 trial evaluating the senolytic combination dasatinib and quercetin (D+Q) in five early-stage Alzheimer’s patients. Over a 12-week intermittent dosing regimen, investigators assessed amyloid and tau pathology alongside inflammatory and transcriptomic signatures. The study revealed no statistically significant changes in key Alzheimer’s biomarkers, highlighting translational challenges for senescence-targeting therapies.

Key points

  • Intermittent dosing of dasatinib (100 mg) and quercetin (1 g) administered to five early-stage Alzheimer’s patients over 12 weeks.
  • Multi-modal biomarker assessment included amyloid-β and tau quantification, inflammatory cytokine panels, lipidomic shifts, and PBMC transcriptomics.
  • No statistically significant changes detected in Alzheimer’s biomarkers or SASP factors despite confirmed CNS penetration of dasatinib.

Why it matters: Null results underscore challenges in translating senolytics to treat neurodegeneration, urging development of more potent aging-targeted therapies.

Q&A

  • What are senolytics?
  • How do dasatinib and quercetin act together?
  • Why measure amyloid and tau biomarkers?
  • What does PBMC transcriptomic analysis reveal?
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Results of a Phase 1 Trial of Senolytics for Alzheimer’s - The results of a Phase 1 trial of the well-known senolytic combination of dasatinib and quercetin (D+Q) in patients with Alzheimer’s disease have been published in Neurotherapeutics.

The Research Insights report shows AI techniques—such as real-time sensor analytics for predictive maintenance and deep-learning visual inspection—are accelerating Industry 4.0 adoption, propelling the global AI in manufacturing market from USD 7.09 billion in 2025 to USD 47.88 billion by 2030.

Key points

  • Market projects growth from USD 7.09 B in 2025 to USD 47.88 B by 2030 at 46.5% CAGR
  • Predictive maintenance cuts downtime by up to 50% using real-time sensor data and ML algorithms
  • Deep learning vision inspects thousands of parts per minute with >99% precision, reducing scrap by 20–30%

Why it matters: This market transformation signals a paradigm shift as AI-driven maintenance, inspection, and design tools deliver unprecedented efficiency gains and cost savings across global manufacturing operations.

Q&A

  • What is predictive maintenance?
  • How does AI visual inspection work?
  • What role does generative AI play in manufacturing?
  • What is Industry 4.0 integration?
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