https://longevity.technology/news/master-controller-of-aging-and-development-uncovered/ [Cross-1] No spam - just the good stuff Subscribe to our newsletter First Name(Required) [ ] Email Address(Required) [ ] Hidden Contact Source [News Popup Form ] [Submit] [longevity-] * News * Investment * Lifestyle * Videos * Store * [us-flag] * [Search-1] * [User-1] * [Hamburger-] [Cross-1] Search for: [ ] Search [Cross-1] News * Home * Biotech * Investment * Diagnostics * Agetech * Supplements * Innovation * AI/Digital * Economy Investment * Dashboard * Investor briefings * Investment news * Raise finance Lifestyle * Home * Supplements * Self-testing * Exercise * Nutrition * Tech * Mental wellness * Product reviews Store * Home * Science * Features * Shop * Curated Products * Contact More * Contact * Features News * Home * Biotech * Investment * Diagnostics * Agetech * Supplements * Innovation * AI/Digital * Economy [Cross-1] News > InnovationMaster controller of aging and development uncovered Master controller of aging and development uncovered Author: Eleanor Garth | Published on: July 9, 2024 | Last updated: July 9, 2024 [Master-controller-of-aging-and-development-uncovered-1024x683] New insights into transcription factors and chromatin remodeling reveal potential for improving age-related health outcomes. Researchers from the University of Queensland have made significant strides in understanding the molecular mechanisms underpinning aging and development, highlighting the crucial role of gene regulatory elements and their interaction with transcription factors. The study, published in Cell Metabolism, offers a comprehensive analysis of chromatin changes across various cell types in both mice and humans, revealing common pathways that govern the transition from youth to old age. Longevity.Technology: Research into the molecular processes of aging holds significant promise for advancing longevity and improving health outcomes; by dissecting the ways in which gene activity shifts over time, scientists can develop targeted interventions aimed at mitigating age-related diseases and enhancing healthspan. Understanding these underlying mechanisms not only propels geroscientific research, but fosters the development of therapies that can potentially delay or reverse detrimental aging processes. Overture and beginners Led by Dr Christian Nefzger, Group Leader, Cellular reprogramming and ageing at UQ, the study employed multi-omic analyses to explore chromatin and transcriptional changes across 22 types of mouse cells, further augmented by existing datasets on human and mouse maturation. The researchers identified a distinct transcription factor binding site (TFBS) signature that is shared between developmental and aging processes, and which is characterized by early-life candidate cis-regulatory elements (cCREs) losing accessibility as organisms mature, while other cCREs gain accessibility through life due to increased levels of Activator Protein 1 (AP-1) [1]. Nefzger noted that the mechanisms by which gene activity shifts from birth through adulthood and into old age have remained largely unknown until now. "By analyzing molecular datasets from both people and mice and then comparing different age groups over time, we investigated the activity of genes involved in both developmental and ageing processes," he explained. "Master controller genes regulate which genes are turned on or off in each of our cells, making sure that each cell does its specific job, just as a conductor directs musicians to produce different sounds [2]." AP-1: The Master Regulator AP-1 emerged as a pivotal factor in this research, demonstrating its role in progressively activating adult genes while 'dialing down' the activity of early-life genes. This activity, shared across various cell types, illustrates a fundamental mechanism of aging, and Dr Marina Naval-Sanchez, a Postdoctoral Research Fellow in UQ's Institute for Molecular Bioscience, added that the study showed this cellular process to be predictable across various life stages as individuals mature. "It was ongoing in adulthood, likely because AP-1 is also activated by a number of stress and inflammatory processes as well as by a protein in our blood that increases with age," she explained. "This further dampens genes most active early in life, which may drive many of the predictable changes of aging [2]." The study posits that the redistribution of transcription factors such as AP-1, alongside mild downregulation of cell identity transcription factors, prompts chromatin remodeling that alters developmental and metabolic gene expression [1]. This mechanism can be triggered by elevated AP-1 activity or depletion of repressive H3K27me3, an epigenetic modification to a DNA packaging protein histone, something that highlights the nuanced interplay of genetic and epigenetic factors in aging. Implications for Age-Related Diseases The research holds potential for addressing age-related diseases such as Alzheimer's, metabolic disorders, and stroke. Dr Ralph Patrick, also a PDRF in the Institute for Molecular Bioscience, explained that to these diseases, it is essential for researchers to first comprehend the underlying processes that cause bodies to age. "By pinpointing AP-1 as a master controller linked to aging across cell types, we can now study the effects of drugs that reduce its activity to extend quality of life," he said [2]. Targeting AP-1 and its associated pathways could lead to interventions that slow down or even prevent the onset of these diseases, marking a significant advancement in geriatric medicine. Nefzger added that the aim is to prevent age-related diseases from escalating or - even better - occurring in the first place by addressing the underlying aging process, thereby enabling people to age in better health. By focusing on the fundamental processes that drive aging, researchers aim to develop strategies that enhance healthspan, the period of life spent in good health, rather than merely extending lifespan. As the understanding of aging at the molecular level continues to evolve, future research will likely explore additional transcription factors and regulatory elements involved in this process, hopefully paving the way for innovative therapeutic approaches that address the challenges of aging. [1] https://www.sciencedirect.com/science/article/pii/ S1550413124002316?via%3Dihub [2] https://www.uq.edu.au/news/article/2024/06/ revealing-master-controller-of-development-and-ageing Share this article: Editor's choice [David-Wein] Funding aging research 'more urgent' than cancer research [Andrew-Sco] 'We're at the beginning of the second longevity revolution' [Dr] Small but mighty: the fatty acid that packs a considerable longevity punch [We-need-to] 'We need to get comfortable with being wrong about aging' [We-want-to] 'We want to give everyone a new thymus to reboot their immune system' [VCs-should] 'VCs should run experiments to derisk longevity biotech investments' Popular articles [Longevity-] Longevity investment bulletin: NewLimit, ORA, Insilico Medicine and more [Stay-coolt] Stay cool: the longevity tech that "shows insane promise" [Does-SIRT6] Does SIRT6 hold the key to human longevity? [Tally-up-C] Tally up! Consumer longevity company lands $10m [Lara-Lewin] Longevity: 'money-spinning cult' or the future of health? [Zuzalu-a-p] Zuzalu: a pop-up city with longevity at its heart More like this [Biomarkers] Biomarkers of Aging Challenge Series enters 'mortality prediction' phase Innovation [RF-Longevi] Can harnessing radio waves boost human longevity? Innovation [organic-sp] Telomerase-restoring molecule reverses hallmarks of aging Innovation [Cheese-tic] C15:0 deficiency may explain accelerated aging in younger people Innovation [laboratory] AlidaBio lands $7.5m to advance epigenetic analysis technology Innovation [Cell-Map-7] Aging blueprint: New atlas maps aging in cells and tissues Innovation [Ketogenic-] Ketogenic diet's role in boosting healthspan and memory in mice Innovation [Lifestyle-] Lifestyle changes stabilize cognition in Alzheimer's patients Economy [David-Wein] Funding aging research 'more urgent' than cancer research Innovation [graphic-of] Space travel goes boldly into human immune aging research Innovation [Cryo-sleep] Cradle emerges with $48m to build reversible cryonics technology Innovation [Mouse-in-p] CAR T crashers - how combating senescence boosts healthspan Innovation [mouse-pom-] New study shows urolithin A can improve treatment of Alzheimer's Innovation [Red-blood-] New insights into the longevity of blood stem cells Innovation [Buck-Insti] Breaking the vicious cycle of protein clumping in Alzheimer's Innovation [mechanisms] Recognizing the driver and passenger mechanisms of aging Innovation Find us here ... * [x-icon] * [Group-125] * [Group-127] * [Group-129] Subscribe to our newsletter First Name(Required) [ ] Last Name(Required) [ ] Email Address(Required) [ ] Hidden Contact Source [News Footer Form ] [Sign up] [longevity-] News * Home * Biotech * Investment * Diagnostics * Agetech * Supplements * Innovation * AI/Digital * Economy Investment * Dashboard * Investor briefings * Investment news * Raise finance Lifestyle * Home * Supplements * Self-testing * Exercise * Nutrition * Tech * Mental wellness * Product reviews Store * Home * Science * Features * Shop * Curated Products * Contact More * Contact * Features * Editorial Policy * Privacy Policy * Cookie Policy * Conditions of Business * Terms and Conditions * Copyright Policy (c) Copyright 2024 FIRST LONGEVITY Limited. All rights reserved. FIRST LONGEVITY First Longevity Limited provides a service to strictly match groups or individuals seeking investment capital with individuals looking to invest. First Longevity Limited does not give advice on the risks of investment and is not authorised to carry on investment business under the Financial Services and Markets Act 2000 ("FSMA"). The content on this website has not been approved by an authorised person within the meaning of FSMA, for the purposes of section 21 of FSMA and reliance on information on this website for the purpose of engaging in any investment activity may expose an individual to a significant risk of losing all of the property or other assets involved. Users of this website should not treat the contents of this website as constituting advice relating to legal, taxation or investment matters and are advised to consult their own professional advisers authorised under FSMA who specialise in advising on such matters. Nothing on this website should be regarded as an offer or solicitation to buy or sell any investment or an offer or solicitation to provide investment services or as a comment on the merits of engaging in any investment transaction or activity or inducement to do so.