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Fight Aging! Newsletter, April 17th 2023
In conclusion, oral NR altered the gut microbiota in rats and mice, but not in humans. In addition, NR attenuated body fat mass gain in rats, and increased fat and energy absorption in the HFD context.
Glycine Supplementation as a Methionine Restriction Mimetic
https://www.fightaging.org/archives/2023/04/glycine-supplementation-as-a-methionine-restriction-mimetic/
Supplementation with the non-essential amino acid glycine has been shown to modestly slow aging in short-lived laboratory species. In today's open access review paper, researchers note glycine supplementation as essentially a calorie restrictio...
Source: Fight Aging! - April 16, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, April 3rd 2023
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! - April 2, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, March 27th 2023
This study has potentially significant implications in the field of OA as it provides a novel strategy for OA treatment.
A Vicious Cycle of Heart Failure and Dementia
https://www.fightaging.org/archives/2023/03/a-vicious-cycle-of-heart-failure-and-dementia/
The end of life is not pretty. The body is a failing machine of many complex essential parts, and the failures cascade and feed into one another as it breaks down. There is pain, loss of capacity, loss of the self as the brain runs down. There is a tendency to paper over the ugly reality in public discussion, to not talk about the facts of the matter,...
Source: Fight Aging! - March 26, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, March 20th 2023
This study also provides the potential for de novo generation of complex organs in vivo.
T Cells May Play a Role in the Brain Inflammation Characteristic of Neurodegenerative Conditions
https://www.fightaging.org/archives/2023/03/t-cells-may-play-a-role-in-the-brain-inflammation-characteristic-of-neurodegenerative-conditions/
Alzheimer's disease, and other forms of neurodegenerative condition, are characterized by chronic inflammation in brain tissue. Unresolved inflammatory signaling is disruptive of tissue structure and function. Here, researchers provide evidence for T cells to become involved in this...
Source: Fight Aging! - March 19, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, March 13th 2023
In this study, we report the extensive and progressive accumulation of misfolded proteins during natural aging/senescence in different models, in the absence of disease. We coined the term age-ggregates to refer to this subset of proteins. Our findings demonstrate that age-ggregates exhibit the main characteristics of misfolded protein aggregates implicated in PMDs, including insolubility in detergents, protease-resistance, and staining with dyes specific for misfolded aggregates. Misfolded protein aggregates with these characteristics are thought to be implicated in some of today most prevalent diseases, including Alzheim...
Source: Fight Aging! - March 12, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Misfolded Proteins Accumulate with Age in Nematodes and Mice
In this study, we report the extensive and progressive accumulation of misfolded proteins during natural aging/senescence in different models, in the absence of disease. We coined the term age-ggregates to refer to this subset of proteins. Our findings demonstrate that age-ggregates exhibit the main characteristics of misfolded protein aggregates implicated in PMDs, including insolubility in detergents, protease-resistance, and staining with dyes specific for misfolded aggregates. Misfolded protein aggregates with these characteristics are thought to be implicated in some of today most prevalent diseases, including Alzheim...
Source: Fight Aging! - March 10, 2023 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs
Fight Aging! Newsletter, February 20th 2023
In this study, researchers stimulate the ghrelin receptor using a suitable small molecule for much of the lifespan of mice, and observe the results. The overall extension of life span is a quarter of that produced by calorie restriction, and so we might draw some conclusions from that as to the relative importance of hunger in the benefits resulting from the practice of calorie restriction or fasting. Interestingly, the short term weight gains observed in mice given this ghrelin receptor agonist in the past don't appear in this long term study, in which the controls are the heaver animals. This is possibly because the rese...
Source: Fight Aging! - February 19, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, February 13th 2023
This study investigated whether taller Polish adults live longer than their shorter counterparts. Data on declared height were available from 848,860 individuals who died in the years 2004-2008 in Poland. To allow for the cohort effect, the Z-values were generated. Separately for both sexes, Pearson's r coefficients of correlation were calculated. Subsequently, one way ANOVA was performed.
The correlation between adult height and longevity was negative and statistically significant in both men and women. After eliminating the effects of secular trends in height, the correlation was very weak (r = -0.0044 in men and ...
Source: Fight Aging! - February 12, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, February 6th 2023
In conclusion, our study reveals that aging enhances atherosclerosis via increased inflammation of visceral fat. Our study suggests that future therapies targeting the visceral fat may reduce atherosclerosis diseaseburden in the expanding older population.
Is the Gut a Significant Source of Amyloid-β in Alzheimer's Disease?
https://www.fightaging.org/archives/2023/02/is-the-gut-a-significant-source-of-amyloid-%ce%b2-in-alzheimers-disease/
The early stages of Alzheimer's disease are characterized by rising levels of amyloid-β in the brain and the formation of misfolded amyloid aggregates. It is presentl...
Source: Fight Aging! - February 5, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, January 30th 2023
In conclusion, deletion of p16Ink4a cells did not negatively impact beta-cell mass and blood glucose under basal and HFD conditions and proliferation was restored in a subset of HFD mice opening further therapeutic targets in the treatment of diabetes.
Communication Between Blood and Brain in Aging and Rejuvenation
https://www.fightaging.org/archives/2023/01/communication-between-blood-and-brain-in-aging-and-rejuvenation/
As noted here, joining the circulatory systems of an old and young mouse results in some degree of rejuvenation in the old mouse. Where brain function is improved, researchers are inter...
Source: Fight Aging! - January 29, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Ultrasound is Ultra-Cool
This study is also a major step forward for the exciting possibility of combining focused ultrasound with targeted delivery of medications or antibodies that normally have limited capability to cross the blood brain barrier from the blood to the brain.”
Similarly, researchers at Yonsei University College of Medicine (South Korea) found that focused ultrasound improved the delivery of Alzheimer’s drugs by over eight times. “While there is no complete cure for dementia, we hope that open BBB [blood brain barrier] surgery using FUS surgery can help give hope to dementia patients,” the lead researcher said.
...
Source: The Health Care Blog - January 25, 2023 Category: Consumer Health News Authors: Ryan Bose-Roy Tags: Health Tech 3D printing ChatGPT DSP Kim Bellard Ultrasound Source Type: blogs
Fight Aging! Newsletter, January 16th 2023
Conclusions
Implanted Hair Follicle Cells Produce Remodeling of Scar Tissue
Assessment of Somatic Mosaicism as a Biomarker of Aging
The Gut Microbiome of Centenarians
https://www.fightaging.org/archives/2023/01/the-gut-microbiome-of-centenarians/
The state of the gut microbiome is arguably as influential on health as exercise. Various microbial species present in the gut produce beneficial metabolites, such as butyrate, or harmful metabolites, such as isoamylamine, or can provoke chronic inflammation in a variety of ways. An individual can have a better or worse microbiome, assessing these and other fu...
Source: Fight Aging! - January 15, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, January 9th 2023
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! - January 8, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, January 2nd 2023
In conclusion, circulating monocytes in older adults exhibit increased expression of activation, adhesion, and migration markers, but decreased expression of co-inhibitory molecules.
MERTK Inhibition Increases Bone Density via Increased Osteoblast Activity
https://www.fightaging.org/archives/2022/12/mertk-inhibition-increases-bone-density-via-increased-osteoblast-activity/
Bone density results from the balance of constant activity on the part of osteoblasts and osteoclasts, the former building bone, the latter breaking it down. With advancing age, the balance of activity shifts to favor osteoclasts, prod...
Source: Fight Aging! - January 1, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
A Look Back at 2022: Progress Towards the Treatment of Aging as a Medical Condition
At the end of 2022, we can reflect on the fact that we are steadily entering a new era of medicine, one in which mechanisms of aging are targeted rather than ignored. It is a profound change, one that will change the shape of a human life and ultimately the human condition by eliminating the greatest sources of suffering and death in the world. Year after year, we see increased funding, ongoing progress towards therapies capable of slowing aging or reversing aspects of aging, and a growing taxonomy of such potential therapies and their target mechanisms.
The view of aging in the medical community and public at large...
Source: Fight Aging! - December 30, 2022 Category: Research Authors: Reason Tags: Of Interest Source Type: blogs
