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Fight Aging! Newsletter, September 18th 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! - September 17, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Machine perfusion in liver transplantation
CONCLUSIONS: In situations where the decision has been made to transplant a liver donated after circulatory death or donated following brain death, end-ischaemic HOPE will provide superior clinically relevant outcomes compared with SCS alone. Specifically, graft survival is improved (high-certainty evidence), serious adverse events are reduced (moderate-certainty evidence), and in donors after circulatory death, clinically relevant ischaemic biliary complications are reduced (high-certainty evidence). There is no good evidence that NMP has the same benefits over SCS in terms of these clinically relevant outcomes. NMP does ...
Source: Cochrane Database of Systematic Reviews - September 12, 2023 Category: General Medicine Authors: Samuel J Tingle Joseph J Dobbins Emily R Thompson Rodrigo S Figueiredo Balaji Mahendran Sanjay Pandanaboyana Colin Wilson Source Type: research

Fight Aging! Newsletter, September 11th 2023
This article reviews the current regulatory role of miR-7 in inflammation and related diseases, including viral infection, autoimmune hepatitis, inflammatory bowel disease, and encephalitis. It expounds on the molecular mechanism by which miR-7 regulates the occurrence of inflammatory diseases. Finally, the existing problems and future development directions of miR-7-based intervention on inflammation and related diseases are discussed to provide new references and help strengthen the understanding of the pathogenesis of inflammation and related diseases, as well as the development of new strategies for clinical interventi...
Source: Fight Aging! - September 10, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Fight Aging! Newsletter, August 28th 2023
In conclusion, we identified 20 genes with significant evolutionary signals unique to long-lived species, which provided new insight into the lifespan extension of mammals and might bring new strategies to extend human lifespan. « Back to Top Trials of Xenotransplantation of Pig Organs into Humans Continue https://www.fightaging.org/archives/2023/08/trials-of-xenotransplantation-of-pig-organs-into-humans-continue/ Researchers have genetically engineered pigs to overcome the known barriers to transplantation of pig organs into humans, and have reached the stage of conducting transplants in...
Source: Fight Aging! - August 27, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Fight Aging! Newsletter, August 21st 2023
This study aimed to investigate the association between frailty index and circulating CAP2 concentration in 467 community-dwelling older adults (median age: 79; range: 65-92 years). The selected robust regression model showed that circulating CAP2 concentration was not associated with chronological age, as well as sex and education. However, circulating CAP2 concentration was significantly and inversely associated with the frailty index: a 0.1-unit increase in frailty index leads to ~0.5-point mean decrease in CAP2 concentration. Furthermore, mean CAP2 concentration was significantly lower in frail participants (i.e., fr...
Source: Fight Aging! - August 21, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Fight Aging! Newsletter, August 7th 2023
In conclusion, here, we demonstrate a novel mechanism for ESC-EVs to protect cells from senescence. However, whether ESC-EVs rejuvenate aged mice via miR-15b-5p and miR-290a-5p remains unknown. Next, we plan to use miR-15b-5p and miR-290a-5p antagonists while treating aged mice with ESC-EVs to further investigate the mechanism by which ESC-EVs resist aging in vivo. « Back to Top Fatty Acid Metabolism as a Commonality in Different Approaches to Slowing Aging https://www.fightaging.org/archives/2023/08/fatty-acid-metabolism-as-a-commonality-in-different-approaches-to-slowing-aging/ It seems...
Source: Fight Aging! - August 6, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Fight Aging! Newsletter, July 24th 2023
In this study, we tested the hypothesis that periodontal disease (PD) as a source of infection alters inflammatory activation and Aβ phagocytosis by the microglial cells. Experimental PD was induced using ligatures in C57BL/6 mice for 1, 10, 20, and 30 days to assess the progression of PD. Animals without ligatures were used as controls. Ligature placement caused progressive periodontal disease and bone resorption that was already significant on day 1 post-ligation and continued to increase until day 30. The severity of periodontal disease increased the frequency of activated microglia in the brains on day 30 by 36...
Source: Fight Aging! - July 23, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Career Conversations: Q & A With Biomedical Engineer Elizabeth Wayne
Courtesy of Dr. Elizabeth Wayne. “It’s so fun to try to make meaning from a confusing experimental result and talk to other scientists who are excited by the same questions you are,” says Elizabeth Wayne, Ph.D., an assistant professor of biomedical engineering and chemical engineering at Carnegie Mellon University (CMU) in Pittsburgh, Pennsylvania. We talked to Dr. Wayne about her career trajectory, research on immune cells, and belief that scientists can change the world. Q: How did you first become interested in science? A: I was introduced to atoms during 6th grade science class. The idea that we’re ...
Source: Biomedical Beat Blog - National Institute of General Medical Sciences - July 19, 2023 Category: Research Authors: Chrissa Chverchko Tags: Being a Scientist Cellular Imaging Profiles Source Type: blogs

Fight Aging! Newsletter, July 3rd 2023
In this study, cultured adipose-derived stem cells (ASCs) were derived from subcutaneous white adipose tissue isolated from mice fed a normal diet. We performed senescence-associated-β-galactosidase (SA-β-gal) staining, real-time PCR, and Western blot to evaluate the levels related to cellular senescence markers. The mRNA expression levels of senescence markers were significantly increased in the later passages of ASCs. We show that light activation reduced the expression of senescent genes, and SA-β-Gal in all cells at passages. Moreover, the light-activated ASCs-derived exosomes decrease the expression of senes...
Source: Fight Aging! - July 2, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Fight Aging! Newsletter, June 26th 2023
This study explored the association between different cooking fuel types and the risk of cancer and all-cause mortality among seniors constructing Cox regression models. Data were obtained by linking waves of 6, 7, and 8 of the Chinese Longitudinal Healthy Longevity Survey, which included a total of 7,269 participants who were 65 years old and over. Cooking fuels were categorized as either biomass, fossil, or clean fuels. And the effects of switching cooking fuels on death risk were also investigated using Cox regression models. The results indicate that, compared with the users of clean fuels, individuals using bio...
Source: Fight Aging! - June 25, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Fight Aging! Newsletter, June 19th 2023
In conclusion, among Swedish middle-aged subjects, nearly two-thirds showed complete fatty degeneration of thymus on CT. Age-Related Dysfunction of Water Homeostasis https://www.fightaging.org/archives/2023/06/age-related-dysfunction-of-water-homeostasis/ Dehydration can be an issue in older people. As in every complex system in the body, the mechanisms by which hydration is regulated become dysfunctional with advancing age. Researchers here look at the brain region responsible for regulating some of the response to dehydration, cataloging altered gene expression in search of the more important mechani...
Source: Fight Aging! - June 18, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Pathogenetic mechanisms and therapeutic approaches of acute-to-chronic liver failure
Am J Physiol Cell Physiol. 2023 Jun 5. doi: 10.1152/ajpcell.00101.2023. Online ahead of print.ABSTRACTLiver cirrhosis is the end stage of all chronic liver diseases and contributes significantly to overall mortality of 2% globally. The age-standardized mortality from liver cirrhosis in Europe is between 10 and 20% and can be explained not only by the development of liver cancer but also by the acute deterioration in the patient's overall condition. The development of complications including accumulation of fluid in the abdomen (ascites), bleeding in the gastrointestinal tract (variceal bleeding), bacterial infections or a ...
Source: Am J Physiol Cell Ph... - June 5, 2023 Category: Cytology Authors: Robert Schierwagen Wenyi Gu Angela Brieger Bernhard Br üne Sandra Ciesek Ivan Đikić Stafanie Dimmeler Gerd Geisslinger Florian R Greten Eva Herrmann Eberhard Hildt Volkhard A J Kempf Sabine Klein Ina Koch Heiko M ühl Volker M üller Kai-Henrik Peiffer Source Type: research