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Fight Aging! Newsletter, February 28th 2022
In conclusion, as BMI and waist circumference are related to elevations of immune markers in the IL-6 pathway, chronic inflammation might be an important mediator of the relationship between BMI and frailty.
Fat Tissue Becomes Dysfunctional with Age as Mitochondria Falter
https://www.fightaging.org/archives/2022/02/fat-tissue-becomes-dysfunctional-with-age-as-mitochondria-falter/
Mitochondria are effectively power plants, hundreds of them working in every cell to produce chemical energy store molecules to power cellular processes. Mitochondrial function declines with age, unfortunately, for underlying re...
Source: Fight Aging! - February 27, 2022 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Stem Cell Therapies for Intervertebral Disc Degeneration
Stem cell therapies, and cell therapies in general, have tremendous promise in treating age-related conditions, particularly those that lead to structural damage in the body, such as degenerative disc disease. While animal studies have produced very interesting results, these therapies have yet to achieve more than initial goals in clinical practice, however. Hematopoietic stem cell transplants work well for the uses they are put to, albeit while being a comparatively stressful, higher risk procedure. Immunotherapies based on cell transplants are quite well advanced in the cancer field. First generation mesenchymal stem ce...
Source: Fight Aging! - February 22, 2022 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs
Fight Aging! Newsletter, February 21st 2022
In conclusion, clinical trials targeting aging in humans have shown promising but limited results on biomarkers so far.
Mycobacterium Vaccae Immunization as an Anti-Inflammatory Strategy
https://www.fightaging.org/archives/2022/02/mycobacterium-vaccae-immunization-as-an-anti-inflammatory-strategy/
In today's open access paper, researchers discuss immunization with Mycobacterium vaccae as an approach to reduce the inflammatory overactivity of the aged immune system. Researchers have made some initial inroads into studying the way in which this bacteria can alter the function of the immune system, and here...
Source: Fight Aging! - February 20, 2022 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, February 14th 2022
In conclusion, this first examination of the effects of age and the ageing process on the small intestinal microbiome demonstrates that the duodenal microbiome changes with increasing age, with significant decreases in duodenal microbial diversity due to increased prevalence of phylum Proteobacteria, particularly coliforms and anaerobic taxa. Given the key roles of small intestinal microbes in nutrient absorption and host metabolism, these changes may be clinically relevant for human health during the ageing process.
Naked Mole Rats Exhibit Minimal Cardiac Aging
https://www.fightaging.org/archives/2022/02/naked...
Source: Fight Aging! - February 13, 2022 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Early CAR-T Therapies Produced Long Term Remission in Some Cases
Much of what we'd like to know about cancer therapies takes a long time to emerge. Only now is the long term data available for the first CAR-T immunotherapies aimed at forms of leukemia in which cancerous cells are clearly and distinctly marked by characteristic surface features. The field has long since expanded, and researchers are at present trying to adjust CAR-T in order to apply this form of treatment to solid cancers. Long term remission is not the same as a cure, as cancer is a disease in which it remains challenging to say whether or not a few remnant cancer cells await a return at some future time. If one can ma...
Source: Fight Aging! - February 10, 2022 Category: Research Authors: Reason Tags: Daily News Source Type: blogs
Fight Aging! Newsletter, January 3rd 2022
In this study, we showed that the iPaD (inducing Plagl2 and anti-Dyrk1a) lentivirus substantially rejuvenated the proliferative and neurogenic potential of NSCs in the aged brain. Clonal analysis by a sparse labeling approach as well as transcriptome analysis indicated that iPaD can rejuvenate aged NSCs (19-21 mo of age) to a level comparable with those at 1 or 2 months of age and successfully improved cognition of aged mice.
Once rejuvenated and activated by iPaD, aged dormant NSCs can generate, on average, 4.9 neurons but very few astrocytes in 3-week tracing. Furthermore, these activated NSCs were maintained for ...
Source: Fight Aging! - January 2, 2022 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
A Look Back at 2021: Progress Towards the Treatment of Aging as a Medical Condition
Well, here we are again, at the end of another pandemic year, a year older and - hopefully - a year wiser and more knowledgeable. I said all that really needs to be said on the topic of COVID-19 as an age-related condition at the end of last year. We might hope that, given widespread vaccination, the pandemic will become a topic of diminishing importance as the year ahead progresses, even given the present round of variants, fears, and reintroduction of restrictions.
Advocacy for Aging Research
Have we finally made significant progress in convincing the world that aging is the cause of age-related disease, th...
Source: Fight Aging! - December 31, 2021 Category: Research Authors: Reason Tags: Of Interest Source Type: blogs
Fight Aging! Newsletter, December 27th 2021
We report that whereas microglia are characterized by marked gene-level alterations related to negative regulation of protein phosphorylation and phagocytic vesicles, astrocytes show activation of enzyme- or peptidase-inhibitor signaling after detectable changes in BBB permeability. We also identify several genes enriched in these pathways that are notably altered after BBB breakdown. Our data reveal that microglia and astrocytes play an active role in maintaining BBB stabilization and corralling infiltrating cells, and thus might potentially function in ameliorating the lesions and neurologic disabilities in CNS diseases....
Source: Fight Aging! - December 26, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, December 20th 2021
In conclusion, the low dose, prolonged angiotensin II exposure is associated with the induction of senescence in kidneys and the promotion of an inflammatory microenvironment through both secreted factors and immune cells. Endothelial cells appear to be a major cell type impacted. The elimination of senescent cells in the INK-ATTAC transgenic model prevents these effects of angiotensin II and reveals a novel pathophysiologic mechanism amenable to targeting by senolytic drugs in development.
CYTOR Upregulation as a Path to Improved Muscle Function in Later Life
https://www.fightaging.org/archives/2021/12/cytor-u...
Source: Fight Aging! - December 19, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
December 2021: Check Out Checkpoint Inhibitors
"Hey, can you check out this rash? It is all over," a nurse said to me."What can you tell me?""He has metastatic cancer. The rash started a couple days ago.""It's probably a checkpoint inhibitor rash. I'll check it out."Medicine has developed an entirely new approach to cancer since I went to medical school. Therapeutics were all about direct toxicity to rapidly dividing cells a few decades ago. Now we have an entirely new classification of treatment: immunotherapy.Immunotherapy tries to increase the body's ability to use its own defenses against cancer. One group of agents is...
Source: Lions and Tigers and Bears - December 1, 2021 Category: Emergency Medicine Tags: Blog Posts Source Type: blogs
Antibiotic Combined with Neutrophil Attractant
Researchers at Monash University in Australia and Harvard University have developed a new treatment for infections caused by antibiotic-resistant bacteria. To achieve this, they attached a chemoattractant to an antibiotic drug molecule, meaning that ...
Source: Medgadget - October 25, 2021 Category: Medical Devices Authors: Conn Hastings Tags: Medicine Public Health 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
Engineered B Cells as an Approach to Cancer Therapy
Engineered T cells are the dominant form of cell therapy for cancer at the present time, an approach that has achieved considerable success, and remains actively under further development. T cells can attack cancer cells directly, given the right tools to recognize those cells and overcome the various immunosuppressive mechanisms deployed by cancerous tissue. There are other approaches to rousing the immune system to action, however, such as focusing on B cells. B cells carry out a variety of roles that are important in the coordination of the immune response, in providing targets for other cells to attack, and rousing tho...
Source: Fight Aging! - October 13, 2021 Category: Research Authors: Reason Tags: Daily News Source Type: blogs
Fight Aging! Newsletter, September 27th 2021
This study provides causal evidence of a lipoprotein-Aß /capillary axis for onset and progression of a neurodegenerative process.
The Staggering Ongoing Cost of Failing to Aggressively Pursue the Development of Rejuvenation Therapies
https://www.fightaging.org/archives/2021/09/the-staggering-ongoing-cost-of-failing-to-aggressively-pursue-the-development-of-rejuvenation-therapies/
No feasible amount of funding that could be devoted to the research and development of rejuvenation therapies would be too much. If near all other projects were dropped, and institutions radically retooled on a short term basis...
Source: Fight Aging! - September 26, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, September 20th 2021
In conclusion, inhibiting the lysosomal oxidation of LDL in atherosclerotic lesions by antioxidants targeted at lysosomes causes the regression of atherosclerosis and improves liver and muscle characteristics in mice and might be a promising novel therapy for atherosclerosis in patients.
NANOG Expression versus Cellular Senescence
https://www.fightaging.org/archives/2021/09/nanog-expression-versus-cellular-senescence/
Are there many strategies that can reverse cellular senescence? There are certainly strategies that can lower levels of cellular senescence over time, both in cell cultures and in living an...
Source: Fight Aging! - September 19, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
