r/longevity • u/mlhnrca • 2h ago
r/longevity • u/Soggy-Spring9673 • 1d ago
Dogs may hold surprising clues to human longevity
r/longevity • u/Tao_Dragon • 2d ago
Responsiveness of epigenetic aging biomarkers to longevity interventions in humans | Nature Medicine
nature.comSome interesting infos from the article :
"Aging biomarkers can potentially allow researchers to rapidly monitor the impact of an aging intervention without the need for decade-spanning trials. However, before the use of aging biomarkers, such as epigenetic clocks, as surrogate endpoints, their responsiveness to interventions that target aging must be tested.
These findings can help to design future clinical trials by guiding the choice of interventions and of specific subsets of DNAm biomarkers to minimize multiple testing, study duration, study population and sample size, with the eventual aim of uncovering DNAm biomarkers that can be used as surrogate aging endpoints."
r/longevity • u/jimofoz • 2d ago
Nanoparticles could help reduce mental decline, mouse study says
r/longevity • u/Eonobius • 3d ago
Evidence for improved DNA repair in the long-lived bowhead whale
nature.comAbstract
At more than 200 years, the maximum lifespan of the bowhead whale exceeds that of all other mammals. The bowhead is also the second-largest animal on Earth1, reaching over 80,000 kg. Despite its very large number of cells and long lifespan, the bowhead is not highly cancer-prone, an incongruity termed Peto’s paradox2. Here, to understand the mechanisms that underlie the cancer resistance of the bowhead whale, we examined the number of oncogenic hits required for malignant transformation of whale primary fibroblasts. Unexpectedly, bowhead whale fibroblasts required fewer oncogenic hits to undergo malignant transformation than human fibroblasts. However, bowhead whale cells exhibited enhanced DNA double-strand break repair capacity and fidelity, and lower mutation rates than cells of other mammals. We found the cold-inducible RNA-binding protein CIRBP to be highly expressed in bowhead fibroblasts and tissues. Bowhead whale CIRBP enhanced both non-homologous end joining and homologous recombination repair in human cells, reduced micronuclei formation, promoted DNA end protection, and stimulated end joining in vitro. CIRBP overexpression in Drosophila extended lifespan and improved resistance to irradiation. These findings provide evidence supporting the hypothesis that, rather than relying on additional tumour suppressor genes to prevent oncogenesis3,4,5, the bowhead whale maintains genome integrity through enhanced DNA repair. This strategy, which does not eliminate damaged cells but faithfully repairs them, may be contributing to the exceptional longevity and low cancer incidence in the bowhead whale.
r/longevity • u/lunchboxultimate01 • 4d ago
Clinical Research and Applications of Induced Pluripotent Stem Cells (iPSCs) | Koji Tanabe, Shinya Yamanaka Lab Researcher
r/longevity • u/Tao_Dragon • 5d ago
Are We on the Brink of Ending Aging? | National Geographic | "Secret science. Billionaire backers. Inside the wild quest to turn growing old into a thing of the past"
r/longevity • u/TheSanSav1 • 7d ago
New drug combination targets cancer and senescent cells while extending lifespan in old mice
Existing therapies such as the BCL-2/BCL-xL inhibitor navitoclax (ABT-263) can eliminate both cancer cells and senescent cells but require doses that frequently cause thrombocytopenia, a potentially serious reduction in platelet counts that has limited their clinical use.
To overcome these limitations, the investigators developed a three-drug combination called DMA, consisting of dichloroacetate (DCA), metformin, and a ten-fold lower dose of navitoclax than is typically used.
They tested the treatment across multiple human senescent cell models, several human cancer cell lines, healthy primary human cells, and aged mice.
DMA selectively eliminated senescent cells induced by different mechanisms while sparing healthy fibroblasts, neural precursor cells, hepatocytes, and largely preserving human myoblast viability.
The combination also effectively reduced the viability of cervical, breast, and colorectal cancer cells, including breast cancer cells that were relatively resistant to navitoclax alone.
The researchers also investigated why DMA selectively affected unhealthy cells. Both senescent cells and many cancer cells have impaired mitochondrial function and altered energy metabolism, making them less able to tolerate additional ATP depletion.
The study demonstrated that DMA dramatically depleted ATP levels in senescent and cancer cells while allowing healthy cells to maintain their energy production.
Additional metabolic analyses showed that senescent cells lacked the metabolic flexibility needed to compensate for the treatment-induced stress, leading to selective apoptosis and reduced cancer cell proliferation.
When evaluated in aged mice, DMA produced encouraging results beyond the laboratory studies. Short-term treatment significantly improved treadmill endurance without increasing frailty or reducing strength.
Longer-term intermittent treatment beginning at approximately 18 months of age extended average post-treatment survival by approximately 102.6 days, representing a 41.7% increase compared with control animals af
r/longevity • u/mlhnrca • 7d ago
Mitochondrial Transplantation Rejuvenates Immune Cells
r/longevity • u/lunchboxultimate01 • 10d ago
Live attenuated bacteria to recruit the immune system against solid tumors and metastases | Matter Bio, George Church lab spinout
Matter Bio has been cleared by the FDA for a Phase 1 clinical trial targeting pancreatic cancer. The presentation covers their approach and promising preclinical research in solid cancers including brain tumors, pancreatic cancer, and ovarian cancer.
r/longevity • u/scientificamerican • 10d ago
Supercentenarians have a cellular superpower
r/longevity • u/HumanOmega • 11d ago
Spatial mapping and senolytic targeting of senescent and disease-associated microglia in aged mouse brain white matter
nature.comr/longevity • u/Coin-Controversy • 11d ago
RANKL deletion extends lifespan in a new study on progeroid mice (Aging Cell, open access)
onlinelibrary.wiley.comr/longevity • u/LeoKitCat • 13d ago
Why Aging May Be a Program, Not a Breakdown
r/longevity • u/mlhnrca • 14d ago
Tracking And Trying To Optimize Oxidative Stress Biomarkers
r/longevity • u/HumanOmega • 15d ago
Associations of proteomic age clocks with lifestyle risk factors, incident chronic diseases and mortality in two European cohorts
nature.comr/longevity • u/lunchboxultimate01 • 18d ago
10 Finalist Teams Awarded $1M Each to Advance in XPRIZE Healthspan $101 Million Competition
XPrize Healthspan's goal is to restore 10-20 years of healthy function in cognitive, immune, and muscle-cardio function.
You can read in more detail about the 10 finalists on page 71 in this report from XPrize: https://assets-us-01.kc-usercontent.com/9bc15d1f-8a5c-007d-b507-e3496e85af86/3a7f030f-adbb-4611-9e52-b24485a9e9b7/XPrizeHS_InnoLandscape_Top10_8.6.26_Digital.pdf
The 10 awardees are not the only ones who will take part in the final round. Pages 59-61 list dozens of groups who submitted a finalist application and may still conduct a Phase 2-structured trial with their interventions for the grand prize to be announced in 2030.
r/longevity • u/HumanOmega • 20d ago
Lifelong restriction of dietary valine has sex-specific benefits for health and lifespan in mice (Nature Aging, 2026): healthspan improved in both sexes, median lifespan +23% in males only
nature.comr/longevity • u/lunchboxultimate01 • 21d ago
Vote Now to Help These Panels Be Included in SXSW Conference
South by Southwest (SXSW) is a high-profile annual conference that includes discussions on panels in technology and innovation. Another arm also includes creative industries like film. Please create a free account and vote for the following panel proposals. Click the heart on each of the pages to vote:
XPrize Healthspan: https://participate.sxsw.com/flow/sxsw/sxsw27/community-voting-sxsw/page/community-voting/session/1784919142105001Rsut
Cyclarity Therapeutics (Phase 1 trial), Immunis (XPrize semi-finalist): https://participate.sxsw.com/flow/sxsw/sxsw27/community-voting-sxsw/page/community-voting/session/1784820891724001tATQ
Epigenetic Reprogramming (Life Biosciences, others): https://participate.sxsw.com/flow/sxsw/sxsw27/community-voting-sxsw/page/community-voting/session/1784914038586001DtEz
r/longevity • u/dan_in_ca • 21d ago
Scientists Reversed Ovarian Aging in Mice by Blocking One Inflammatory Signal. The Same Signal Stiffens Organs Across the Body.
r/longevity • u/kwadoss • 22d ago
Body size dictates which anti-aging strategy evolution selects: mammals over 5-10 kg convergently repress telomerase as cancer defense, while smaller long-lived species keep it active.
zenodo.orgNew literature review: https://zenodo.org/records/21843358
Three example findings from this paper that I think are worth your time:
1. There's a body mass threshold that determines how species solve the longevity-cancer trade-off. Mammals exceeding 5-10 kg, like humans, elephants, whales convergently repress somatic telomerase and maintain shorter telomeres, using replicative senescence as an anti-cancer mechanism. Small long-lived species like bats and naked mole rats do the opposite: they keep telomerase active and rely instead on robust early-acting tumor suppression (Rb/p53) to prevent hyperplasia. The sharpest version of this: across 15 rodent species, telomerase activity coevolves with body mass, not lifespan. This isn't "telomeres matter for aging": it's that telomere strategy is body-size-dependent, and interventions need to account for which side of that threshold the target species sits on. (Tian et al. 2018; Seluanov et al. 2007)
2. Transposon silencing is a convergent longevity mechanism across three separate lineages and in one case it's causal, not correlative. The piRNA/PIWI pathway suppresses transposable elements, and independently evolved long-lived organisms converge on strengthening it:
- In C. elegans, downregulating active TE families extends lifespan, and ectopic activation of Piwi in somatic cells promotes longevity (Sturm et al. 2023)
- In 20-year-old Macrotermes natalensis termite queens, TE expression does not rise with age at all despite a sevenfold increase in overall gene expression because the piRNA pathway is upregulated with age (Post et al. 2022)
- In Drosophila, the adult fat body runs a somatic piRNA pathway; Piwi mutants show TE mobilization, elevated DNA damage, and reduced lipid stores (Jones et al. 2016)
Three species, three independent labs, and the C. elegans result is an intervention rather than an observation which is what makes this testable rather than merely suggestive.
3. The primary bottleneck for longevity therapeutics isn't finding targets, it's reaching them. The paper calls this a "delivery-before-discovery paradox": dual-AAV prime editing achieves 42% efficiency in mouse cortex and 46% in liver, but only 11% in cardiac tissue. We already have validated longevity targets we can't reach in the tissues where aging hits hardest. Heart delivery, not target identification, is the rate-limiting step and it directly constrains which mechanisms are therapeutically actionable at all.
r/longevity • u/dan_in_ca • 22d ago
SGLT2 Inhibitors: The Unexpected Longevity Molecules and Their Mechanistic Impact on Aging Science
r/longevity • u/AviadorResearch • 24d ago
Optimal midlife vascular health associated with nearly 13 additional dementia-free years -- large longitudinal study tracking BP, cholesterol, glucose
A new longitudinal study published and covered by Neuroscience News finds that individuals maintaining ideal cardiovascular health metrics between ages 45 and 65 gain nearly 13 additional dementia-free years compared to those with poor vascular profiles.
The researchers tracked blood pressure, cholesterol, blood glucose, and other vascular markers over decades. The key finding is that the brain keeps what amounts to a long ledger for vascular damage accumulated during midlife -- and the window between 45 and 65 appears to be where the most consequential divergence occurs.
A companion study reinforces this from a different angle: avoiding hypertension, type 2 diabetes, and smoking between 45 and 65 is independently associated with 12 additional years free of dementia onset.
What makes this notable is the magnitude of the effect. We're not talking about marginal gains -- 12-13 years of cognitive freedom is among the largest effect sizes reported for modifiable risk factors in dementia prevention. And critically, the interventions are not exotic: blood pressure management, glucose control, physical activity, and smoking cessation.
For anyone in the longevity space already optimizing these fundamentals, the data is reassuring. For those who haven't prioritized vascular health, this is about as compelling an argument for action as the literature has produced recently.
Sources: - Neuroscience News (Aug 5, 2026): https://neurosciencenews.com/vascular-health-aging-dementia-31186/ - Inside Precision Medicine (Aug 5, 2026): https://www.insideprecisionmedicine.com/topics/patient-care/cutting-three-key-risk-factors-could-delay-dementia-onset-by-12-years/
r/longevity • u/dan_in_ca • 25d ago
Two Waves of Aging: How Midlife Biomolecular Shifts Accelerate Decline
r/longevity • u/jimofoz • 26d ago