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Total 474 results found since Jan 2013.
Telomerase Reverse Transcriptase Improves Mitochondrial Function
In conclusion, mitochondrial, but not nuclear TERT, is critical for mitochondrial respiration and during ischemia/reperfusion injury. Mitochondrial TERT improves complex I subunit composition. TERT is present in human heart mitochondria, and remote ischemic preconditioning increases its level in those organelles. We conclude that mitochondrial TERT is responsible for cardioprotection and its increase could serve as a therapeutic strategy.
Link: https://doi.org/10.1161/CIRCULATIONAHA.120.051923
Source: Fight Aging! - November 5, 2021 Category: Research Authors: Reason Tags: Daily News Source Type: blogs
Atherosclerosis, the As Yet Undefeated Monster
As you may know, I co-founded Repair Biotechnologies, a company presently focused on developing an approach to rapidly reverse the cholesterol content of atherosclerotic lesions, a goal that is impossible to achieve using the existing panoply of treatments for atherosclerosis. We use gene therapy techniques to provide cells with the ability to safely break down excess cholesterol, enabling the removal of pathological levels of intracellular cholesterol and localized deposits of extracellular cholesterol that characterize conditions such as atherosclerosis (in blood vessel walls) and NASH (in the liver). Atherosclerosis is ...
Source: Fight Aging! - November 2, 2021 Category: Research Authors: Reason Tags: Healthy Life Extension Community Source Type: blogs
Fight Aging! Newsletter, November 1st 2021
In conclusion, mitophagy pathways play an important role in maintaining physiological homeostasis, are involved in the mechanisms of aging and neurodegenerative disorders, and represent promising targets for the development of potential therapeutic agents aimed at regulating mitochondria quality control in neurons and glial cells. A significant number of molecules that induce or inhibit mitophagy are currently under consideration, which may be useful for testing hypotheses or developing drugs for the treatment of neurodegenerative diseases. The validation of promising drugs in animal and cell models, including neurons and ...
Source: Fight Aging! - October 31, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, October 18th 2021
In this study, we therefore analysed the influence of lithium treatment on lifespan and parameters of health during ageing in mice.
To determine the concentration of lithium suitable to be administered in a longitudinal ageing study, we first tested the effects of lithium chloride (LiCl) in doses from 0.01 to 2.79 g LiCl per kg chow. C57Bl/6J mice fed with 1.05-2.79 g/kg LiCL in the diet showed lithium plasma levels between 0.4 and 0.8 mM/l. While plasma levels to 0.4 and 0.8 mM/l are well tolerated by human patients, at doses above 1.44 g LiCl/kg, we observed an obvious dose-dependent polydipsia combined with a dis...
Source: Fight Aging! - October 17, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, October 11th 2021
In conclusion, this study examined how age and the process of aging are associated with changes in the microbiome of the small intestine, using validated sampling and processing techniques. The most significant differences are higher relative abundance of the phylum Proteobacteria and decreased relative abundance of Bacteroidetes in older subjects when compared to the youngest group. The higher relative abundance of Proteobacteria appeared to affect other duodenal microbial taxa, leading to decreased microbial diversity and increased relative abundance of coliforms and of anaerobic bacteria. The small intestine is vital to...
Source: Fight Aging! - October 10, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, September 6th 2021
In conclusion, patients over 90 years of age had an overall low prevalence of fractures and relative preservation of bone health, suggesting a preserved bone molecular profile in these individuals. Epigenetic factors and activity levels might also have favorably affected bone health. The low percentage of osteoporosis and fractures likely reduced the morbidity and mortality in this population, potentially contributing to their overall longevity.
Building a Therapy for Aging Based on SIRT6 Upregulation
https://www.fightaging.org/archives/2021/08/building-a-therapy-for-aging-based-on-sirt6-upregulation/
Ge...
Source: Fight Aging! - September 5, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, August 16th 2021
In conclusion, cancer survivors, especially older individuals, demonstrate greater odds of and accelerated functional decline, suggesting that cancer and/or its treatment may alter aging trajectories.
Linking Particulate Air Pollution and Dementia in a Small Region of the US
https://www.fightaging.org/archives/2021/08/linking-particulate-air-pollution-and-dementia-in-a-small-region-of-the-us/
It is fairly settled that evident particulate air pollution, such as daily exposure to smoke from wood-fueled cooking fires, has a strongly detrimental effect on long-term health. The mechanisms involved are inflamm...
Source: Fight Aging! - August 15, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, August 9th 2021
In conclusion, the present study supports that some age-related diseases as well as education are causally related to longevity and highlights several new targets for achieving longevity, including management of venous thromboembolism, appropriate intake of sugar, and control of body fat. Our results warrant further studies to elucidate the underlying mechanisms of these reported causal associations.
Pol III Inhibition Extends Longevity in Short-Lived Species
https://www.fightaging.org/archives/2021/08/pol-iii-inhibition-extends-longevity-in-short-lived-species/
As this paper notes, Pol III is downstream...
Source: Fight Aging! - August 8, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, August 2nd 2021
This study aimed to determine the association between: (i) cognitive decline and bone loss; and (ii) clinically significant cognitive decline on Mini Mental State Examination (MMSE) over the first 5 years and subsequent fracture risk over the following 10 years. A total of 1741 women and 620 men aged ≥65 years from the population-based Canadian Multicentre Osteoporosis Study were followed from 1997 to 2013. Over 95% of participants had normal cognition at baseline. After multivariable adjustment, cognitive decline was associated with bone loss in women but not men. Approximately 13% of participants experienced sign...
Source: Fight Aging! - August 1, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, July 12th 2021
In conclusion, our study demonstrated that elevated cumulative SBP or DBP was independently associated with increased risk of CVD in the Chinese population. Among participants with 15-year cumulative BP levels higher than the median, that is, 1970.8/1239.9 mmHg-year for cumulative SBP/DBP, which was equivalent to maintaining SBP/DBP level higher than 131/83 mmHg in 15 years, the CVD risk would increase significantly irrespective of whether or not the BP measurements at one examination was high. Our findings emphasize the importance of cumulative BP level in identifying individuals with high risk of CVD in the future.
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Source: Fight Aging! - July 11, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Telomerase and Follistatin Gene Therapies Delivered via Cytomegalovirus Extend Life in Mice
Upregulation of telomerase expression and, separately, follistatin expression have been shown to extend life in mice. In recent news, researchers report a novel approach to delivering these two genes via gene therapy, making use of cytomegalovirus (CMV) as a vector. CMV is actually a major threat to human health, and might be responsible for a great deal of the age-related decline of the immune system. Near everyone is infected by the time old age rolls around. Nonetheless, one can develop viral vectors in which replication (and thus any threat of infection) is disabled, and these are widely used as tools in research and d...
Source: Fight Aging! - July 5, 2021 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs
Fight Aging! Newsletter, July 5th 2021
In conclusion, the findings suggest that DNAm GrimAge is a strong predictor of mortality independent of genetic influences.
Heart Failure Correlates with Increased Cancer Risk
https://www.fightaging.org/archives/2021/07/heart-failure-correlates-with-increased-cancer-risk/
Age-related disease results from the underlying cell and tissue damage that causes aging. Different people accumulate that damage at modestly different rates, the result of lifestyle choices and exposure to infectious disease. Thus the presence of a sufficient burden of damage to produce one age-related disease will be accompanied by a ...
Source: Fight Aging! - July 4, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Upregulation of NRF2 in Mice Slows Neural Stem Cell Decline in Middle Age, but Not In Later Life
Today's open access paper provides an interesting example of a mechanism that slows a facet of aging only in middle age, when tested in mice. Researchers found that upregulation of NRF2 expression in the brain via gene therapy had meaningful positive effects on neural stem cell function in middle age only. We might consider that any given aspect of cell behavior is governed by multiple overlapping regulatory networks, and thus it is quite possible to see a particular point of intervention work under some circumstances but not under others, depending on the state of the cell, its environment, and which regulatory systems ar...
Source: Fight Aging! - July 1, 2021 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs
Fight Aging! Newsletter, June 7th 2021
Fight Aging! publishes news and commentary relevant to the goal of ending all age-related disease, to be achieved by bringing the mechanisms of aging under the control of modern medicine. This weekly newsletter is sent to thousands of interested subscribers. To subscribe or unsubscribe from the newsletter,
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Longevity Industry Consulting Services
Reason, the founder of Fight Aging! and Repair Biotechnologies, offers strategic consulting services to investors, entrepreneurs, and others interested in the longevity industry and its complexities. To find out m...
Source: Fight Aging! - June 6, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
A Great Deal of Work Lies Ahead in the Development of In Vivo Reprogramming as a Therapy
Reprogramming of ordinary somatic cells into induced pluripotent stem cells (iPSCs) was initially thought to be a way to obtain all of the patient matched cells needed for tissue engineering or cell therapies. A great deal of work has gone towards realizing that goal over the past fifteen years or so; the research community isn't there yet, but meaningful progress has taken place. Of late, another line of work has emerged, in that it might be possible to use partial reprogramming as a basis for therapy, delivering reprogramming factors into animals and humans in order to improve tissue function, without turning large numbe...
Source: Fight Aging! - May 31, 2021 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs
