August 5 in Longevity and AI

Gathered globally: 6, 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.


A consortium of longevity and immunology experts surveys recent advances in immunotherapies that selectively eliminate senescent cells. They detail CAR T strategies against uPAR and NKG2D ligands, senolytic vaccines targeting GPNMB or CD153, and PD-1/PD-L1 blockade, highlighting mechanisms and preclinical rejuvenation benefits.

Key points

  • uPAR-directed CAR T cells safely eliminate uPAR+ senescent cells, reversing fibrosis and improving metabolism in mice.
  • NKG2D-CAR T constructs recognize NKG2D ligands on stress-induced senescent cells, demonstrating efficacy in aged mice and nonhuman primates without off-target toxicity.
  • PD-1/PD-L1 immune checkpoint blockade reduces PD-L1+ senescent cell accumulation and alleviates multiple age-related phenotypes via CD8+ T cell activation.

Why it matters: Immunotherapeutic senolytics promise targeted clearance of aging cells, offering safer, more durable rejuvenation therapies compared to conventional drugs.

Q&A

  • What are senescent cells?
  • How do senolytic CAR T cells work?
  • What is a senolytic vaccine?
  • Why target PD-L1 in aging?
Copy link
Facebook X LinkedIn WhatsApp
Share post via...

Researchers from the University of Neuchâtel administer 10 % sucrose diets supplemented with 8 mM H₂O₂ or 1 mg/mL ascorbic acid in a 3×3 early–late feeding design. They track individual mosquito lifespan, fecundity after blood meals, and Vavraia culicis spore counts to determine how supplement timing modulates life‐history trade‐offs and parasite tolerance.

Key points

  • Early prooxidant intake (8 mM H₂O₂) extends Anopheles gambiae lifespan by ~4–5 days, especially in uninfected mosquitoes.
  • Antioxidant supplementation (1 mg/mL ascorbic acid) increases egg production by ~30% irrespective of Vavraia culicis infection.
  • Early prooxidant or antioxidant diets raise V. culicis spore loads by ~50%, demonstrating timing‐dependent shifts from resistance to tolerance.

Why it matters: Timing of oxidative interventions reveals new leverage points to disrupt mosquito vector fitness and malaria transmission potential.

Q&A

  • What is oxidative homeostasis?
  • How do prooxidants and antioxidants affect mosquitoes differently?
  • What is parasite tolerance versus resistance?
  • Why does timing of diet matter?
Copy link
Facebook X LinkedIn WhatsApp
Share post via...

Antoine Martin of UpperLongevity.com outlines effective anti-aging facial massage techniques, including lifting, pinching, and knuckle methods, combined with tools such as jade rollers and gua sha. These approaches stimulate blood circulation, collagen production, and lymphatic drainage, enhancing skin elasticity, reducing fine lines, and promoting a firm, youthful complexion.

Key points

  • Classic lifting technique stimulates dermal blood flow and enhances skin firmness along the jawline using upward fingertip motions.
  • Pinching method improves microcirculation and elasticity in the cheeks and jaw by gently pinching skin under the cheekbones.
  • Knuckle massage combined with jade rollers and gua sha increases collagen synthesis, lymphatic drainage, and topical serum absorption, improving texture and reducing puffiness.

Q&A

  • What is lymphatic drainage?
  • How does facial massage boost collagen production?
  • What is the difference between jade rollers and gua sha tools?
  • How often should I perform facial massage for best results?
Copy link
Facebook X LinkedIn WhatsApp
Share post via...

A team from Shanghai Jiao Tong University and Kyoto University releases the first open Niacin Skin-Flushing Response dataset and applies an Efficient-Unet for precise area segmentation, then employs an SVM classifier to distinguish healthy controls from psychiatric patients based on normalized skin-flush metrics.

Key points

  • Open NSR dataset: 600 photos from 120 subjects with binary masks and manual scores.
  • Segmentation: Efficient-Unet achieved 91.31% Dice and 84.06% IoU without post-processing.
  • Classification: SMOTE-balanced SVM with 5-fold CV reached 60–65% sensitivity and 75–88.3% specificity across psychiatric categories.

Why it matters: This device-independent AI approach offers a scalable, objective biomarker platform that could transform psychiatric diagnostics by reducing subjectivity and resource barriers.

Q&A

  • What is the Niacin Skin-Flushing Response?
  • Why use Efficient-Unet for segmentation?
  • How does SMOTE improve classification?
  • What is the objective 3-scale scoring system?
  • Can this AI method work on different devices?
Copy link
Facebook X LinkedIn WhatsApp
Share post via...
An open dataset and machine learning algorithms for Niacin Skin-Flushing Response based screening of psychiatric disorders

A team from the Centre for Global Change at Sol Planje University presents LSTM-GAM-xAI, a hybrid deep learning and generalized additive model enhanced with LIME explainability and causal analysis. It forecasts concentrations of PM2.5, PM10, O₃, NO₂, NO, NOₓ, SO₂, and CO across 5- and 10-day timesteps with lower MSE than benchmarks, for improved regional air quality management.

Key points

  • Integrates LSTM deep learning with a generalized additive model layer to capture nonlinear and temporal pollutant dynamics.
  • Employs LIME post-hoc explainability to quantify feature contributions (e.g., NO₂, PM₂.₅) for each air pollutant forecast.
  • Validates on synthetic Kimberley datasets across 5- and 10-day timesteps, outperforming LSTM, BiLSTM, GRU, BiGRU, 1DCNN, Random Forest, and XGBoost by lowest MSE.

Why it matters: This hybrid explainable AI framework sets a new standard for accurate, interpretable air quality forecasts, empowering data-driven environmental policy and health protection.

Q&A

  • What is LSTM-GAM-xAI?
  • How does LIME explain model forecasts?
  • Why integrate causal inference into forecasting?
  • Which pollutants and features are predicted?
Copy link
Facebook X LinkedIn WhatsApp
Share post via...

Researchers at Los Alamos National Laboratory prove that quantum circuits can exhibit true Gaussian process behavior. By replacing parametric quantum neural networks with Gaussian processes, they bypass barren plateau problems and implement Bayesian inference for enhanced quantum machine learning models.

Key points

  • Los Alamos National Laboratory team mathematically proves quantum circuits yield Gaussian process behavior.
  • Approach leverages Gaussian processes to bypass barren plateau issues in quantum neural networks.
  • Enables Bayesian inference via Gaussian process regression on quantum data sets for improved prediction accuracy.

Why it matters: This quantum Gaussian process framework shifts quantum machine learning toward reliable Bayesian inference, overcoming barren plateaus and enabling precise predictions.

Q&A

  • What is a Gaussian process?
  • What are barren plateaus in quantum machine learning?
  • How do quantum Gaussian processes differ from parametric quantum models?
  • Why is Bayesian inference important in quantum machine learning?
Copy link
Facebook X LinkedIn WhatsApp
Share post via...