In a world where we are living longer but not always healthier, scientists are searching for ways to add life to our years, not just years to our lives. A recent study published in Aging (Aging-US), Volume 17, Issue 4, led by researchers at the National University of Natural Medicine, suggests that certain common foods, already known for their health benefits, might also help slow or even reverse epigenetic or biological aging. These foods, rich in specific plant compounds, appear to influence our DNA in ways that may slow down the body’s epigenetic clock.

Full blog - https://aging-us.org/2025/05/study-identifies-foods-that-may-reverse-biological-age-and-promote-healthy-aging-in-men/

Paper DOI - https://doi.org/10.18632/aging.206240

Corresponding author - Ryan Bradley - rbradley@nunm.edu

Video short - https://www.youtube.com/watch?v=T6I33AIAIFM

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Keywords - aging, epigenetics, DNA methylation, diet, biological clock

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Aging (Aging-US)

Study Identifies Foods That May Reverse Biological Age and Promote Healthy Aging in Men

BUFFALO, NY — May 23, 2025 — A new #research paper was #published in Aging (Aging-US) Volume 17, Issue 4, on April 1, 2025, titled “Examining frailty phenotypes of community-dwelling older adults in Taiwan using the falls risk for older people in the community – Taiwan version (Tw-FROP-Com).”

A research team led by first author Ya-Mei Tzeng and corresponding authors Yu-Tien Chang and Yaw-Wen Chang from the National Defense Medical Center studied older adults in Taiwan and found that unintentional weight loss is the most significant individual predictor of fall risk among the common signs of frailty. This finding highlights the importance of early detection and tailored interventions to reduce fall-related injuries among aging populations.

Falls are a major cause of injury-related death in seniors, especially in low- and middle-income countries. In Taiwan, they rank as the second leading cause of accidental death among those aged 65 and older. The researchers evaluated five signs of frailty—weakness, slowness, exhaustion, low physical activity, and unintentional weight loss—using a locally adapted fall risk screening tool, Tw-FROP-Com. Frailty is a condition marked by reduced strength, stamina, and resilience, making older adults more vulnerable to accidents and illness.

The study analyzed data from 375 older adults participating in a fall prevention program in Keelung City. Of these, 18.7% were classified as frail, and nearly one-third had experienced a fall in the past year. All five frailty signs were associated with increased fall risk, but statistical analysis showed that unintentional weight loss had the strongest association, even after adjusting for factors like age and previous falls.

Rather than relying on a broad frailty label, this study found that analyzing each frailty feature individually provided more accurate predictions of fall risk. Weight loss, in particular, was also associated with conditions such as malnutrition, muscle decline, or chronic illness.

“Treating frailty as five distinct components provided a more precise prediction of fall risk than using a dichotomous frailty measure (Yes/No).”

The findings support the use of accessible screening tools like Tw-FROP-Com in everyday healthcare settings. Because it does not require complex equipment or physical testing, it can be widely applied to identify older adults at risk. Interventions such as nutritional support, physical activity, and weight monitoring can then be offered before a fall occurs.

The researchers recommend that public health programs and healthcare providers focus on each specific frailty sign, especially unintentional weight loss, rather than relying only on overall frailty status. As the global population ages, targeted fall prevention strategies like these may help older adults live healthier, more independent lives.

Paper DOI: https://doi.org/10.18632/aging.206231

Corresponding authors: Yu-Tien Chang – greengarden720925@gmail.com; Yaw-Wen Chang- yawwenc@office365.ndmctsgh.edu.tw

Keywords: aging, frailty, fall risk, fried frailty criteria, older adults, Tw-FROP-Com

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Keywords - aging, epigenetics, DNA methylation, diet, biological clock

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Unintentional Weight Loss Identified as Top Predictor of Fall Risk in Taiwanese Elderly

BUFFALO, NY — June 3, 2025 — A new #research paper was #published in  Aging (Aging-US) on May 1, 2025, as the #cover of Volume 17, Issue 5, titled “Defining the hypoxic thresholds that trigger blood-brain barrier disruption: the effect of age.”

In this study, researchers Arjun Sapkota, Sebok K. Halder, and Richard Milner from San Diego Biomedical Research Institute investigated how aging affects the brain’s vulnerability to low oxygen, or hypoxia. Using C57BL/6J mice ranging from 2 to 23 months of age, they identified specific oxygen levels that disrupt the blood-brain barrier (BBB)—a critical structure that protects brain tissue from harmful substances. The findings are important for understanding age-related cognitive decline and the potential risks faced by individuals with chronic oxygen-limiting conditions such as asthma, sleep apnea, emphysema, and heart disease.

The BBB is essential for maintaining brain health. In this study, mild and prolonged hypoxia—called chronic mild hypoxia—was found to compromise the BBB in mice. Older mice showed significantly more BBB disruption than younger ones. Notably, barrier weakening and blood vessel changes occurred at oxygen levels of just 15% in aged mice, compared to 13% in young mice. These data suggest that the aging brain is more sensitive to oxygen deprivation, even at levels that may be considered only mildly hypoxic.

The researchers also determined when this vulnerability emerged. The BBB showed increased sensitivity to low oxygen not only in aged mice but also in mice as young as 2 to 6 months, with a second spike occurring between 12 and 15 months—equivalent to middle age in mice. These findings may reflect age-dependent changes in brain vascular function and remodeling capacity.

“Hypoxia-induced endothelial proliferation was relatively constant across the age range, but advanced age strongly enhanced the degree of BBB disruption (4-6-fold greater in 23 months vs. 2 months old).”

Another key focus was microglial activation, a sign of brain inflammation. Aged mice exhibited higher microglial activation across all oxygen levels, including normal conditions. Chronic microglial activation is closely linked to neuroinflammation and has been implicated in diseases such as Alzheimer’s. While the rate of blood vessel formation was constant across ages, the degree of BBB disruption increased sharply with age, suggesting that repair mechanisms may weaken over time.

These results may help explain why older adults with chronic hypoxia-related diseases are at higher risk for neurodegeneration and cognitive decline. The study also draws attention to the risks of high-altitude exposure for aging populations, where oxygen levels naturally drop.

Altogether, these findings underscore the importance of protecting brain health in older individuals by managing oxygen exposure and reducing hypoxia-related risks. The researchers emphasize the need to develop new therapies that support blood-brain barrier integrity, particularly in aging populations exposed to chronic or intermittent low-oxygen conditions.

DOI - https://doi.org/10.18632/aging.206241

Corresponding author - Richard Milner - rmilner@sdbri.org

Video short - https://www.youtube.com/watch?v=Nr6rTm7aJRo

Keywords - aging, blood-brain barrier integrity, endothelial, proliferation, microglia, chronic mild hypoxia, hypoxic threshold

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Aging Increases Brain’s Sensitivity to Hypoxia and Blood-Brain Barrier Damage in Mice

BUFFALO, NY - June 3, 2025 – A new #research paper was #published in Volume 16 of Oncotarget on May 19, 2025, titled “PRDX1 protects ATM from arsenite-induced proteotoxicity and maintains its stability during DNA damage signaling."

In this study, led by first author Reem Ali and corresponding author Dindial Ramotar from Hamad Bin Khalifa University in Qatar, researchers discovered that a protein called PRDX1 helps maintain the stability of ATM, a key protein involved in repairing damaged DNA, especially when cells are under stress from arsenite exposure. The study found that without PRDX1, cells lose their ability to repair DNA and become more sensitive to chemotherapy. This finding suggests that targeting PRDX1 could improve the success of some cancer treatments.

PRDX1 is already known for its role in protecting cells from oxidative damage, but this study shows it also plays a role in the DNA repair process. ATM is an essential protein that detects breaks in DNA and starts the repair process. When PRDX1 is missing, ATM is rapidly lost, especially when cells are exposed to arsenite, a toxic substance found in the environment. Without ATM, the DNA repair system fails, leaving cells more vulnerable to damage.

By using both human cell lines and clinical samples from ovarian cancer patients, the team showed that high levels of PRDX1, along with ATM and MRE11 (another DNA repair protein), were linked to tumors' aggressive features and lower patient survival rates. This pattern suggests that tumors with high PRDX1 may resist chemotherapy by increasing their DNA repair capacity. On the other hand, removing PRDX1 weakened the repair system and made cancer cells more responsive to DNA-damaging platinum drugs.

The study also showed that combining low doses of arsenite with drugs that either block ATM or damage DNA caused a much higher rate of cancer cell death in cells that lacked PRDX1. These results suggest a new treatment approach: lowering PRDX1 levels to make cancer cells more sensitive to DNA-damaging platinum therapies already in use. This highlights PRDX1 not only as a protector of cell function but also as a potential weak point in cancer cells.

“As such, we propose that small molecule inhibitors of PRDX1, or single nucleotide polymorphisms that compromise PRDX1 function, in combination with low doses of arsenite can be exploited to treat chemo-resistant tumours.”

These findings open the door for the use of PRDX1 as a biomarker to predict treatment response and as a promising target for new combination therapies. For patients with ovarian cancer and potentially other tumors, adjusting PRDX1 levels may help overcome drug resistance and improve outcomes.

DOI - https://doi.org/10.18632/oncotarget.28720

Correspondence to: Dindial Ramotar - dramotar@hbku.edu.qa

Video short - https://www.youtube.com/watch?v=suOhF7mPlNQ

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Keywords - cancer, redox signaling, homologous recombination, protein interaction, cell cycle, protein modification

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Oncotarget

Blocking PRDX1 Protein May Improve Chemotherapy Response in Ovarian Cancer

In this episode of the Dementia together podcast, we learn about the UK's first dementia-friendly railway line.

The Bentham Line runs from the hubbub of Leeds to the seaside resort of Morecambe, past miles of incredible scenery. Yet it's no quaint heritage ride, but a fully functioning rail link.

We meet the people who've been making the experience of travelling by rail better for people affected by dementia, and the wonderful opportunities this has created.

You can visit alzheimers.org.uk/publications for our range of publications designed to support and inform anyone affected by dementia.

For personalised information and advice, call our Dementia Support Line on 0333 150 3456, or for Welsh speakers call 03300 947 400.

'It shows what can be achieved' – Dementia together podcast June 2025

BUFFALO, NY — June 4, 2025 — A new #editorial was #published in Aging (Aging-US) Volume 17, Issue 5, on May 29, 2025, titled “Rethinking healthcare through aging biology.”

In this scientific editorial, Aging (Aging-US) Editor-in-Chief Marco Demaria from the European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen (UMCG) and the University of Groningen (RUG), advocates for healthcare reform that addresses the biological drivers of aging rather than individual chronic conditions. The article proposes that targeting the root causes of age-related diseases through aging biology could revolutionize preventive care, extend healthspan, and reduce long-term healthcare costs. This proactive approach aligns with a growing body of aging research focused on improving healthy longevity.

Dr. Demaria explains that today’s disease-focused model is inadequate for aging populations, who often suffer from multimorbidity—the presence of multiple chronic illnesses like cancer, heart disease, and type 2 diabetes. These overlapping conditions, rooted in common aging mechanisms, overwhelm healthcare systems and lead to complex treatments with limited success. The editorial suggests that identifying and intervening in the biological aging process could prevent such diseases before they emerge.

In the editorial, Dr. Demaria outlines three healthcare paradigms. The first is the existing system, which reacts to disease after symptoms appear. The second involves intervening once age-related damage begins, using new tools such as senolytics, which eliminate harmful senescent cells, and rapalogs, which regulate cellular metabolism. The third and most forward-looking model focuses on preventing aging-related damage before it starts. This strategy supports lifelong biological balance and seeks to avoid early molecular decline through continuous health maintenance.

Prevention is key in this model. Lifestyle choices—such as exercise, a healthy diet, quality sleep, and stress reduction—play a vital role in slowing the aging process. Dr. Demaria also points to the promise of biological age diagnostics—tools or tests that estimate a person’s biological age—which allow people to track their physiological aging and adopt personalized interventions. Additionally, optimizing maternal nutrition and early-life health can contribute to lifelong disease prevention.

To support this shift, the editorial calls for major changes in medical education. Physicians must be trained in geroscience, healthspan optimization, and personalized preventive care. This knowledge will prepare future clinicians not just to treat disease, but to delay or prevent it altogether. Collaboration among healthcare providers, researchers, and policymakers will be essential for building this new system.

​​“The third paradigm—preventing aging-related damage—demands a systemic shift toward predictive and preventative research, with an emphasis on multi-omic data, lifestyle interventions, and early-life interventions.”

By redefining medicine around the science of aging, Dr. Demaria’s editorial highlights the path toward healthier aging, longer life expectancy, and a more sustainable healthcare future.

DOI - https://doi.org/10.18632/aging.206262

Corresponding author - Marco Demaria - m.demaria@umcg.nl

Video short - https://www.youtube.com/watch?v=xR-16cjHnQY

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New Vision for Healthcare Focuses on Preventing Aging-Related Diseases

BUFFALO, NY - June 4, 2025 – A new #research paper was #published in Volume 16 of Oncotarget on May 20, 2025, titled “Targeting PCNA/AR interaction inhibits AR-mediated signaling in castration resistant prostate cancer cells."

In this study, authors Shan Lu and Zhongyun Dong from the University of Cincinnati College of Medicine investigated how interfering with a protein interaction could reduce prostate cancer growth. Their study based on prostate cancer cells shows that blocking the link between PCNA, a protein important for DNA repair, and the androgen receptor (AR), which drives prostate cancer growth, can slow down cancer cell multiplication. This discovery could lead to a new treatment for patients with advanced prostate cancer, particularly those no longer responding to hormone therapy.

Prostate cancer is one of the most common cancers in men. Many patients eventually become resistant to hormone treatment. In this advanced stage, called castration-resistant prostate cancer (CRPC), tumors continue to grow by using either the full-length androgen receptor (AR-FL) or altered versions called AR variants (AR-Vs). This study shows that the interaction between AR and PCNA helps both AR-FL and AR-Vs remain active, supporting cancer cell survival and growth.

The researchers identified a new region in the AR that binds to PCNA. They developed a small peptide, R9-AR-PIP, to mimic this region and block the AR-PCNA connection. They found that this peptide reduced AR’s ability to bind DNA and lowered the levels of key genes involved in cancer cell growth. Importantly, the peptide was effective against both types of AR, including the variant forms that are especially challenging in CRPC.

“We identified a second PIP-box (PIP-box592) in the DNA binding domain of AR and found that dihydrotestosterone enhances the binding of full-length AR (AR-FL) but not a constitutively active variant (AR-V7) to PCNA.”

They also tested a small molecule, PCNA-I1S, which interferes with PCNA’s ability to move to the cell nucleus and interact with AR. This molecule showed similar effects as the peptide, reducing AR activity and stopping cancer cell growth. Together, these findings suggest that targeting PCNA/AR interactions could be a promising strategy to fight CRPC, especially in patients with limited treatment options.

One key result was that both the peptide and the small molecule reduced the levels of cyclin A2, a protein that helps cells divide and is often overexpressed in CRPC. Since this protein is linked to patients' poor outcomes, its reduction could be especially beneficial.

This study improves our understanding of how prostate cancer continues to grow even after hormone treatments fail. By blocking a crucial helper of the androgen receptor, researchers have uncovered a new way to potentially slow or stop the disease. Further studies in animal models are needed, but this approach could lead to more effective treatments for men with advanced prostate cancer.

DOI - https://doi.org/10.18632/oncotarget.28722

Correspondence to - Zhongyun Dong - dongzu@ucmail.uc.edu

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Keywords - cancer, PCNA, androgen receptor, PCNA inhibitors, AR splicing variants, CRPC

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Targeting PCNA-Androgen Receptor Interaction Suppresses Prostate Cancer Cell Growth

Researchers at Brown University have developed a combination treatment that significantly increases survival in mice with glioblastoma (GBM), a highly aggressive and treatment-resistant brain cancer. The approach uses a new class of drugs called imipridones along with radiation therapy and standard chemotherapy. This triple therapy, known as IRT, was recently detailed in a study published in Oncotarget.

Understanding Glioblastoma and the Need for Better Therapies

Glioblastoma is the most common and aggressive malignant brain tumor in adults. It grows quickly and is difficult to treat, often leading to poor outcomes. Most patients survive less than 15 months after diagnosis, even when treated with surgery, radiation, and the chemotherapy drug temozolomide (TMZ). This treatment may slow the disease, but it does not typically stop it.

Full blog - https://www.oncotarget.org/2025/06/04/experimental-triple-therapy-improves-survival-in-glioblastoma-mouse-model/

Paper DOI - https://doi.org/10.18632/oncotarget.28707

Correspondence to - Wafik S. El-Deiry - wafik@brown.edu

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Keywords - cancer, glioblastoma multiforme, IDH, ONC201, ONC206, MGMT, temozolomide, radiotherapy

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Experimental Triple Therapy Improves Survival in Glioblastoma Mouse Model

Buffalo, NY — June 4, 2025 — The Longevity & Aging Series has been honored with the Silver Award for “Excellence in Video/Film” at the inaugural EPIC Awards celebration on May 29, 2025, during the Society for Scholarly Publishing (SSP) 47th Annual Meeting in Baltimore, Maryland.

The EPIC Awards recognize the achievements of those who are advancing scholarly publishing through creativity, collaboration, and cutting-edge innovation. The Longevity & Aging Series, hosted by Aging (Aging-US) Editorial Board member Dr. Evgeniy Galimov, stood out for its impactful storytelling, production quality, and commitment to advancing understanding in the field of aging research.

The Longevity & Aging Series brings together leading experts to discuss the latest developments in the biology of aging, healthy longevity, and interventions to improve healthspan. Now in its third season, the series is a trusted resource for scientists, clinicians, and the broader public interested in the future of aging research.

For more information about the Aging (Aging-US) Longevity & Aging Series and to view the award-winning videos, please visit our show page or YouTube channel. If you are interested in becoming a guest or would like to know more about the series, please email us at media@impactjournals.com.

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Longevity & Aging Series Wins Silver Award for Excellence in Video/Film at SSP EPIC Awards

Dr. Stefanie Morgan joins Dr. Robert Dudley from AgelessRx to discuss a #research paper she co-authored that was #published in Volume 17, Issue 4 of Aging, entitled “Influence of rapamycin on safety and healthspan metrics after one year: PEARL trial results.”

DOI - https://doi.org/10.18632/aging.206235

Corresponding author - Stefanie L. Morgan - stefanie@agelessrx.com

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Abstract

Design: This 48-week decentralized, double-blinded, randomized, placebo-controlled trial (NCT04488601) evaluated the long-term safety of intermittent low-dose rapamycin in a healthy, normative-aging human cohort. Participants received placebo, 5 mg or 10 mg compounded rapamycin weekly. The primary outcome measure was visceral adiposity (by DXA scan), secondary outcomes were blood biomarkers, and lean tissue and bone mineral content (by DXA scan). Established surveys were utilized to evaluate health and well-being. Safety was assessed through adverse events and blood biomarker monitoring.

Results: Adverse and serious adverse events were similar across all groups. Visceral adiposity did not change significantly (ηp2 = 0.001, p = 0.942), and changes in blood biomarkers remained within normal ranges. Lean tissue mass (ηp2 = 0.202, p = 0.013) and self-reported pain (ηp2 = 0.168, p = 0.015) improved significantly for women using 10 mg rapamycin. Self-reported emotional well-being (ηp2 = 0.108, p = 0.023) and general health (ηp2 = 0.166, p = 0.004) also improved for those using 5 mg rapamycin. No other significant effects were observed.

Conclusions: Low-dose, intermittent rapamycin administration over 48 weeks is relatively safe in healthy, normative-aging adults, and was associated with significant improvements in lean tissue mass and pain in women. Future work will evaluate benefits of a broader range of rapamycin doses on healthspan metrics for longevity, and will aim to more comprehensively establish efficacy.

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Keywords - aging, rapamycin, geroscience, longevity, healthspan

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Behind the Study: Rapamycin’s 1-Year Impact on Healthspan—PEARL Trial Results

Cancer and aging are two sides of age-related tumorigenesis.

The mission of the journal is to understand the mechanisms surrounding aging and age-related diseases, including cancer as the main cause of death in the modern aged population.

The journal aims to promote 1) treatment of age-related diseases by slowing down aging, 2) validation of anti-aging drugs by treating age-related diseases, and 3) prevention of cancer by inhibiting aging. (Cancer and COVID-19 are age-related diseases.)

Read about the Aging (Aging-US) Scientific Integrity Process: https://aging-us.com/scientific-integrity

New Vision for Healthcare Focuses on Preventing Aging-Related Diseases

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