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Fight Aging! Newsletter, February 27th 2023
This study tested the hypothesis that ischemic vascular repair in aging by Ang-(1-7) involves attenuation of myelopoietic potential in the bone marrow and decreased mobilization of inflammatory cells.
Young or Old male mice of age 3-4 and 22-24 months, respectively, received Ang-(1-7) for four weeks. Myelopoiesis was evaluated in the bone marrow (BM) cells by carrying out the colony forming unit (CFU-GM) assay followed by flow cytometry of monocyte-macrophages. Expression of pro-myelopoietic factors and alarmins in the hematopoietic progenitor-enriched BM cells was evaluated. Hindlimb ischemia (HLI) was induced by ...
Source: Fight Aging! - February 26, 2023 Category: Research Authors: Reason Tags: Newsletters 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
Microglial Autophagy in the Context of Neurodegenerative Conditions
Changes in the function and activity of microglia in the brain, innate immune cells analogous to the macrophages present in the rest of the body, are known to be involved in the onset and progression of neurodegenerative conditions. Aging and neurodegeneration are associated with a growing presence of both senescent microglia and activated microglia Both of these states producing inflammatory signaling, contributing to the chronic, unresolved inflammation of brain tissue that is also characteristic of later life.
Autophagy is the name given to a collection of cellular maintenance processes responsible for recycling ...
Source: Fight Aging! - February 10, 2023 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs
The Epigenetics of Calorie Restriction
The practice of calorie restriction slows aging, albeit to a much greater degree in short-lived mammals than is the case in our own species. Evidence suggests that upregulation of the cellular maintenance processes of autophagy are the primary mechanism by which calorie restriction produces its benefits to health and life span. Calorie restriction produces a major reshaping of all aspects of cellular behavior, however, a wide range of epigenetic changes that, along with autophagy, are the subject of the discussion in this open access paper.
Autophagy, such as a double-edged sword, can maintain cell survival and de...
Source: Fight Aging! - February 9, 2023 Category: Research Authors: Reason Tags: Daily News Source Type: blogs
Reviewing the Development of Senotherapeutics
Today's open access paper is a very readable tour of the present state of research and development of therapies targeting senescent cells, whether to destroy them or alter their function in favorable ways. In both cases the primary goal is to reduce the senescence-associated secretory phenotype (SASP), the pro-growth, pro-inflammatory signaling that contributes to degenerative aging as the number of senescent cells rises over the course of later life. It is hoped that clearance of senescent cells will produce a sizable positive impact for late life health, reducing chronic inflammation, slowing the onset of near all age-re...
Source: Fight Aging! - February 7, 2023 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs
Aging as a Disease: a Zoo Contains Animals, But is Not Itself an Animal
The author of today's open access commentary is quite prolifically opinionated on the topic of mTOR and its status as a central pillar of programmed aging, particularly the hyperfunction version of programmed aging theories. Nonetheless, he sometimes has interesting things to say, as is the case here on the topic of whether aging is a disease. A great deal of ink has been spilled of late on the question of whether or not aging is a disease. This is the case not because everyone suddenly developed an interest in semantics, but rather because it directly affects the regulation of medical development, and thus the flow of fun...
Source: Fight Aging! - February 6, 2023 Category: Research Authors: Reason Tags: Medicine, Biotech, Research 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
Fight Aging! Newsletter, January 23rd 2023
This study explored the association between tap drinking water and longevity in Cilento, Italy, to understand whether trace elements in local drinking water may have an influence on old, nonagenarian, and centenarian people and promote their health and longevity.
Data on population and water sources were collected through the National Demographic Statistics, the Cilento Municipal Archives, and the Cilento Integrated Water Service. Ordinary least squares (OLS) regression and a geographically weight regression (GWR) model were used to study the spatial relationship between the explanatory and outcome variables of long...
Source: Fight Aging! - January 22, 2023 Category: Research Authors: Reason Tags: Newsletters 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
Pharma – 2023 Health IT Predictions
As we head into 2023, we wanted to kick off the new year with a series of 2023 Health IT predictions. We asked the Healthcare IT Today community to submit their predictions and we received a wide ranging set of responses that we grouped into a number of themes. Check out our communities predictions below and be sure to add your own thoughts and/or places you disagree with these predictions in the comments and on social media.
Check out our community’s pharma predictions.
Jesse Cugliotta, Global Industry GTM Lead, Healthcare & Life Sciences at Snowflake
Industry investments in data platforms to enable decentra...
Source: EMR and HIPAA - January 9, 2023 Category: Information Technology Authors: John Lynn Tags: Health IT Company Healthcare IT 2023 Health IT Predictions Abrpo BrainCheck Doceree Harshit Jain Ian Chen Jesse Cugliotta Kimberly Powell Lance Hill Lauren Ohlsson Mike Montalto NVIDIA Ofer Sharon OncoHost PathAI Pharma 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
The Stage is Set for More Rapid Progress Towards Human Longevity in the Next Decade
Today's popular science article is a tour of a few of the higher profile lines of research and development relevant to treating aging as a medical condition. The state of the field has changed greatly over the last decade, not least of these changes being a vast increase in the funding devoted to clinical translation of age-slowing and rejuvenation therapies. Cynically, I suspect that it is the funding that ensures that the popular science press takes a more respectful tone than they did ten years ago. It is much harder to advance (in writing!) a knee-jerk dismissal of a field of science when billions of dollars of funding...
Source: Fight Aging! - January 6, 2023 Category: Research Authors: Reason Tags: Healthy Life Extension Community 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
