⏳Longevity Signals📈
September 3, 2025
Note: This is not medical advice. Please consult your physician before making changes to your health routine.
🩺 Longevity + Treatments 💪
Novo Nordisk’s obesity drug Wegovy® (semaglutide) significantly reduces the risk of major adverse cardiovascular events by 57% compared to tirzepatide, according to data from the STEER study.
Eli Lilly’s experimental oral GLP-1 drug, orforglipron, has shown significant improvements in weight loss and blood sugar control in Phase III trials. If approved, it could be a major development in obesity medication.
The article posits that diet acts as a molecular modulator of aging, impacting inflammation, the microbiome, and systemic resilience. It suggests the potential of precision nutrition and advancements like artificial intelligence in identifying dietary targets for healthy aging.
Researchers have developed a method to rejuvenate human skin using systemic factors found in young human serum. The method, applied in a 3D skin and bone marrow model, improved proliferation and reduced biological age, with effects visible only in the presence of bone marrow-derived cells. Proteome analysis identified 55 potential rejuvenating proteins produced by these cells.
Human umbilical cord-derived mesenchymal stromal cell exosomes (hucMSC-Exos) show promise in treating muscle atrophy and dysfunction in aged mice, potentially through mitochondrial biogenesis, anti-apoptosis, and protein anabolism mechanisms.
Gene-engineered human mesenchymal progenitor cells (SRCs) can halt and reverse aging’s clinical and functional negative effects, according to a study. These cells triggered sharper cognition, stronger bones, and revitalized reproductive health in aged macaques, with no adverse effects identified.
🧬 Longevity + Science 🧪
Researchers developed a computational approach to detect non-linear DNA methylation trajectories that better capture the dynamics of aging, revealing sex-specific, non-linear aging programs. Strikingly, a female-specific non-linear cluster was robustly associated with cancer onset and systemic inflammation.
The study developed 11 multi-organ proteome-based biological age gaps (ProtBAGs) using plasma proteins from UK Biobank participants. The incorporation of features across organs improved predictions for systemic disease categories and all-cause mortality, thus providing insights for developing a multi-organ, multi-omics biological aging clock framework.
A novel DNA methylation-based Physiological health Age (PhysAge) score developed, using eight DNA methylation surrogates for multi-system physiology. Predicts health outcomes and mortality in older adults, similar to existing epigenetic clocks, but not trained on mortality. Can be used for cross-study and cross-country comparisons.
Higher Life’s Essential 8 (LE8) scores, an indicator of cardiovascular health, are associated with a decrease in biological age, suggesting that maintaining optimal cardiovascular health could slow down the aging process.
Heterogeneity within innate immune cell subtypes, including monocyte, natural killer, and neutrophil subsets, may impact epigenetic clock estimates and their associations with health outcomes such as inflammaging and all-cause mortality. This extends findings obtained within the adaptive immune system to innate immune and erythrocyte-like cells.
A meta-analysis of over 15,000 human methylomes across 17 tissues identifies both conserved and tissue-specific aging signatures. Key disruptors exacerbate aging signals across tissues, while a resilient module enriched for NAD+ salvage metabolism supports therapeutic targeting of NAD+ in aging.
Epigenetic aging markers in pre-diagnostic peripheral blood leukocytes (PBLs) can provide key information on colorectal cancer (CRC) etiology and prevention, according to a study. Older DNA methylation (DNAm) age and age acceleration were significantly associated with increased risk for CRC, especially among women who had a bilateral oophorectomy before natural menopause. However, no higher risk was found in women with accelerated aging who maintained healthy dietary patterns.
🧑🤝🧑 Longevity + Teams 📰
OpenAI and Retro Biosciences have leveraged AI to significantly enhance the Yamanaka factors, leading to a 50x increase in expression of stem cell reprogramming markers, suggesting higher rejuvenation potential.
Aubrai, a decentralized science (DeSci) platform, has launched to tackle funding challenges in longevity and regenerative medicine research. The platform, part of the Bio Protocol on Coinbase’s blockchain, allows token holders to shape research agendas, vote on funding allocations, and potentially benefit from successful discoveries.
Biomedical interventions that significantly impact the aging process and improve health outcomes may soon be a reality. Stakeholders are encouraged to shape their roles in this potentially transformative field.
💡Featured Article 🌟
The study titled “DNA Methylation Ageing Atlas Across 17 Human Tissues” provides a comprehensive analysis of age-associated DNA methylation changes across various human tissues, offering insights into the molecular mechanisms of aging and potential targets for interventions aimed at enhancing human health and longevity. The research involved a meta-analysis of over 15,000 human methylomes from 17 different tissues, identifying both conserved and tissue-specific aging signatures.
Key findings include the identification of differentially methylated positions (DMPs) and variably methylated positions (VMPs), which provide insights into the deterministic and stochastic components of epigenetic aging. DMPs are sites that show consistent changes in methylation levels with age, serving as potential biomarkers for biological aging. In contrast, VMPs exhibit increased variability in methylation levels among individuals, reflecting personal differences in aging processes influenced by environmental and genetic factors.
The study also utilized Shannon-entropy to measure the disorder and unpredictability of DNA methylation patterns, revealing tissue-specific aging patterns. This approach highlights the complexity of epigenetic changes and their contribution to aging, with implications for identifying biomarkers and developing epigenetic therapies.
Notably, the research identified a resilient module enriched for NAD+ salvage metabolism, suggesting that targeting NAD+ pathways could be a promising therapeutic strategy for mitigating aging effects. Additionally, the study highlighted the role of PCDHGA1, a conserved cross-tissue driver, indicating that protocadherin-mediated adhesion may play a crucial role in maintaining structural and signaling stability across multiple organ systems.
The creation of an open-access atlas and a dedicated website provides a valuable resource for researchers and individuals interested in exploring the molecular architecture of human aging. This resource can aid in identifying testable targets for intervention, biomarkers, and translational epigenetic therapies, offering practical insights for those seeking to experiment with new treatments that may influence longevity.
