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Total 992 results found since Jan 2013.

Naringenin is a Senotherapeutic that Enhances Neurogenesis in Mice
Researchers here evaluate the flavonoid naringenin for its ability to dampen the inflammatory signaling of senescent neural cells, particularly levels of TNF-α, and increase neurogenesis in mice. This increased neurogenesis is likely a result of reduced inflammation in brain tissue, but possibly due to other, distinct mechanisms. Neurogenesis is the name given to the generation of new neurons in the brain, and their integration into existing neural circuits. Evidence suggests that increased neurogenesis is a good thing at any age, improving cognitive function and making the brain more resilient to injury. Now that the res...
Source: Fight Aging! - September 25, 2020 Category: Research Authors: Reason Tags: Daily News Source Type: blogs

Fight Aging! Newsletter, September 21st 2020
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, please visit: https://www.fightaging.org/newsletter/ 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! - September 20, 2020 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Lowered Body Temperature is Important in the Beneficial Calorie Restriction Response
Calorie restriction lowers body temperature in mammals, but most research on how reduced calorie intake produces benefits to long-term health and longevity has focused on nutrient sensing as the primary trigger for the upregulation of stress responses and other helpful changes to cellular metabolism. Here, researchers demonstrate that reduced body temperature is in fact an important trigger mechanism, possible more so than nutrient sensing, as keeping calorie restricted mice warm eliminates much of the beneficial metabolic adaptation to reduced nutrient levels. Cutting calories significantly may not be an easy tas...
Source: Fight Aging! - September 17, 2020 Category: Research Authors: Reason Tags: Daily News Source Type: blogs

Fight Aging! Newsletter, September 14th 2020
This study is the first to provide a direct link between this inflammation and plaque development - by way of IFITM3. Scientists know that the production of IFITM3 starts in response to activation of the immune system by invading viruses and bacteria. These observations, combined with the new findings that IFITM3 directly contributes to plaque formation, suggest that viral and bacterial infections could increase the risk of Alzheimer's disease development. Indeed, researchers found that the level of IFITM3 in human brain samples correlated with levels of certain viral infections as well as with gamma-secretase activ...
Source: Fight Aging! - September 13, 2020 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Long Lived Humans Do Not Exhibit Fewer Harmful Gene Variants
Why are long lived humans long lived? Why does this trait often run in families? One of the few firm advances in answering these questions is to rule out the hypothesis that long-lived lineages bear fewer detrimental gene variants. Several studies and study populations have indicated that there are just as many harmful variants present in the genomes of exceptionally long-lived people as are present in the rest of us. Beyond that, it remains to be seen as to just how much of exceptional longevity is in fact genetic. Broader genetic studies have in recent years continued to revise downward the contribution of genetics to va...
Source: Fight Aging! - September 9, 2020 Category: Research Authors: Reason Tags: Daily News Source Type: blogs

Fight Aging! Newsletter, September 7th 2020
In conclusion, using a large cohort with rich health and DNA methylation data, we provide the first comparison of six major epigenetic measures of biological ageing with respect to their associations with leading causes of mortality and disease burden. DNAm GrimAge outperformed the other measures in its associations with disease data and associated clinical traits. This may suggest that predicting mortality, rather than age or homeostatic characteristics, may be more informative for common disease prediction. Thus, proteomic-based methods (as utilised by DNAm GrimAge) using large, physiologically diverse protein sets for p...
Source: Fight Aging! - September 6, 2020 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

The RNAAgeCalc Transcriptional Aging Clock
Omics data provides a wealth of metrics that correlate with age, quite well in some cases. Weighted combinations of CpG site methylation status, protein levels, and RNA transcript levels have all been found to measure age, and new and improved versions of these aging clocks are introduced on a regular basis. For people with a greater burden of damage and age-related disease, measured age tends to be greater than chronological age. So there is some hope that these approaches are actually measuring biological age, and can thus be used to speed up the development of rejuvenation therapies. Unfortunately it is unclear as to ho...
Source: Fight Aging! - August 31, 2020 Category: Research Authors: Reason Tags: Daily News Source Type: blogs

Fight Aging! Newsletter, August 31st 2020
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, please visit: https://www.fightaging.org/newsletter/ 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! - August 30, 2020 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

The Prospects for LANDO Upregulation as a Treatment for Alzheimer ' s Disease
Of late, researchers have identified a process known as LC3-associated endocytosis (LANDO) by which cells can ingest and then break down the amyloid-β deposits associated with Alzheimer's disease. This raises the idea that perhaps some form of upregulation of LANDO would at least slow the progression of Alzheimer's disease, though the balance of evidence to date is beginning to suggest that amyloid-β is the wrong target, at least in later stages of the condition. Researchers here show that, in animal models, LANDO can reduce the inflammation of brain tissue associated with neurodegenerative conditions, a finding that mak...
Source: Fight Aging! - August 24, 2020 Category: Research Authors: Reason Tags: Daily News Source Type: blogs

Fight Aging! Newsletter, August 24th 2020
We report that electrical stimulation (ES) stimulation of post-stroke aged rats led to an improved functional recovery of spatial long-term memory (T-maze), but not on the rotating pole or the inclined plane, both tests requiring complex sensorimotor skills. Surprisingly, ES had a detrimental effect on the asymmetric sensorimotor deficit. Histologically, there was a robust increase in the number of doublecortin-positive cells in the dentate gyrus and SVZ of the infarcted hemisphere and the presence of a considerable number of neurons expressing tubulin beta III in the infarcted area. Among the genes that were unique...
Source: Fight Aging! - August 23, 2020 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

The Public Cannot Distinguish Between Scientific versus Unscientific, Likely Good versus Likely Bad Approaches to Longevity
One of the challenges inherent in patient advocacy for greater human longevity, for more research into aging and rejuvenation, is that journalists and the public at large either cannot or will not put in the effort needed to distinguish between: (a) scientific, plausible, and likely useful projects, those with a good expectation of addressing aging to a meaningful degree; (b) scientific, plausible, and likely unhelpful projects, those that will do little to move the needle on life expectancy, and (c) products and programs that consist of marketing, lies, and little else. This last category is depressingly large, and the fi...
Source: Fight Aging! - August 20, 2020 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs

TREM2 Inhibition as a Potentially Broadly Effective Cancer Therapy
It remains the case that far too much of the extensively funded work on cancer therapies is only relevant to a tiny subset of cancers. This is no way to achieve success in the fight to control cancer: there is only so much funding, only so many researchers, and too many types of cancer for an incremental strategy to make earnest process over the next few decades. The important lines of research into cancer treatments are those that can in principle be applied to many (or preferably all) cancers, and that are in principle highly effective, such as inhibition of telomere lengthening. The ideal cancer therapy is one that can ...
Source: Fight Aging! - August 20, 2020 Category: Research Authors: Reason Tags: Daily News Source Type: blogs

Fight Aging! Newsletter, August 17th 2020
In this study, we sought to elucidate the role of VRK-1 in regulation of adult life span in C. elegans. We found that overexpression of VRK-1::GFP (green fluorescent protein), which was detected in the nuclei of cells in multiple somatic tissues, including the intestine, increased life span. Conversely, genetic inhibition of vrk-1 decreased life span. We further showed that vrk-1 was essential for the increased life span of mitochondrial respiratory mutants. We demonstrated that VRK-1 was responsible for increasing the level of active and phosphorylated form of AMPK, thus promoting longevity. A Fisetin Variant, C...
Source: Fight Aging! - August 16, 2020 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Reviewing the Mechanisms of Longevity in Long-Lived Bats
Today's open access research is a good companion piece to a recent paper that investigates biochemical differences between long-lived and short-lived bats. Bats are renowned for, firstly, an exceptional resistance to classes of virus that are fatal to other mammals, allowing bat populations to act as reservoirs for potentially dangerous pathogens, and secondly for an exceptional longevity in comparison to other mammalian species of a similar size. In mammals, species longevity tends to scale up with size, with a few notable and well-studied long-lived exceptions such as naked mole-rats, humans, and some bats. In ter...
Source: Fight Aging! - August 14, 2020 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs

On Stress, Yoga Meditation, and The Evolution Revolution
In the Tale of Two Cities, Charles Dickens wrote: “It was the best of times, it was the worst of times. It was the age of wisdom, it was the age of foolishness…. It was the season of light, it was the season of darkness. It was the spring of hope, it was the winter of despair” Yes, the period of which Dickens wrote is a lot like the present day. We are living through extraordinary times in a complicated world. In my 74 ½ years, I’ve never seen anything like it — from the virus to political strife to protests, stress is rampant. Stress may impact negatively virtually every system of our body, from the immune sy...
Source: SharpBrains - August 14, 2020 Category: Neuroscience Authors: Dr. Dharma Singh Khalsa at Alzheimer's Research & Prevention Foundation Tags: Cognitive Neuroscience Health & Wellness anxiety chronic-stress depression immune system insomnia Kirtan-Kriya lower cognitive ability mbsr meditation mental health Mindfulness-Based-Stress-Reduction telomere Transcendental Med Source Type: blogs