Insights into vaccines for elderly individuals: from the impacts of immunosenescence to delivery strategies DOI Creative Commons
Yingying Hou, Min Chen, Yuan Bian

et al.

npj Vaccines, Journal Year: 2024, Volume and Issue: 9(1)

Published: April 10, 2024

Immunosenescence increases the risk and severity of diseases in elderly individuals leads to impaired vaccine-induced immunity. With aging global population emerging epidemics, developing adjuvants vaccines for improve their immune protection is pivotal healthy worldwide. Deepening our understanding role immunosenescence vaccine efficacy could accelerate research focused on optimizing delivery individuals. In this review, we analyzed characteristics at cellular molecular levels. Strategies vaccination potency are summarized, including increasing antigen dose, preparing multivalent vaccines, adding appropriate adjuvants, inhibiting chronic inflammation, immunosenescence. We hope that review can provide a new findings with regards impacts vaccine-mediated inspire development individualized

Language: Английский

Hallmarks of aging: An expanding universe DOI Creative Commons
Carlos López-Otı́n, Marı́a A. Blasco, Linda Partridge

et al.

Cell, Journal Year: 2023, Volume and Issue: 186(2), P. 243 - 278

Published: Jan. 1, 2023

Language: Английский

Citations

2854

Guidelines for the use and interpretation of assays for monitoring autophagy (4th edition)1 DOI Creative Commons

Daniel J. Klionsky,

Amal Kamal Abdel‐Aziz, Sara Abdelfatah

et al.

Autophagy, Journal Year: 2021, Volume and Issue: 17(1), P. 1 - 382

Published: Jan. 2, 2021

In 2008, we published the first set of guidelines for standardizing research in autophagy. Since then, this topic has received increasing attention, and many scientists have entered field. Our knowledge base relevant new technologies also been expanding. Thus, it is important to formulate on a regular basis updated monitoring autophagy different organisms. Despite numerous reviews, there continues be confusion regarding acceptable methods evaluate autophagy, especially multicellular eukaryotes. Here, present investigators select interpret examine related processes, reviewers provide realistic reasonable critiques reports that are focused these processes. These not meant dogmatic rules, because appropriateness any assay largely depends question being asked system used. Moreover, no individual perfect every situation, calling use multiple techniques properly monitor each experimental setting. Finally, several core components machinery implicated distinct autophagic processes (canonical noncanonical autophagy), implying genetic approaches block should rely targeting two or more autophagy-related genes ideally participate steps pathway. Along similar lines, proteins involved regulate other cellular pathways including apoptosis, all them can used as specific marker bona fide responses. critically discuss current assessing information they can, cannot, provide. ultimate goal encourage intellectual technical innovation

Language: Английский

Citations

1992

Lysosomes as dynamic regulators of cell and organismal homeostasis DOI
Andrea Ballabio, Juan S. Bonifacino

Nature Reviews Molecular Cell Biology, Journal Year: 2019, Volume and Issue: 21(2), P. 101 - 118

Published: Nov. 25, 2019

Language: Английский

Citations

1095

Autophagy in healthy aging and disease DOI Open Access
Yahyah Aman, Tomas Schmauck‐Medina, Malene Hansen

et al.

Nature Aging, Journal Year: 2021, Volume and Issue: 1(8), P. 634 - 650

Published: Aug. 12, 2021

Language: Английский

Citations

900

The quest to slow ageing through drug discovery DOI
Linda Partridge, Matías Fuentealba, Brian K. Kennedy

et al.

Nature Reviews Drug Discovery, Journal Year: 2020, Volume and Issue: 19(8), P. 513 - 532

Published: May 28, 2020

Language: Английский

Citations

366

Meta-hallmarks of aging and cancer DOI Creative Commons
Carlos López-Otı́n, Federico Pietrocola, David Roiz‐Valle

et al.

Cell Metabolism, Journal Year: 2023, Volume and Issue: 35(1), P. 12 - 35

Published: Jan. 1, 2023

Language: Английский

Citations

276

SARS-CoV-2-mediated dysregulation of metabolism and autophagy uncovers host-targeting antivirals DOI Creative Commons
Nils C. Gassen, Jan Papies, Thomas Bajaj

et al.

Nature Communications, Journal Year: 2021, Volume and Issue: 12(1)

Published: June 21, 2021

Viruses manipulate cellular metabolism and macromolecule recycling processes like autophagy. Dysregulated might lead to excessive inflammatory autoimmune responses as observed in severe long COVID-19 patients. Here we show that SARS-CoV-2 modulates reduces Accordingly, compound-driven induction of autophagy limits propagation. In detail, SARS-CoV-2-infected cells accumulation key metabolites, activation inhibitors (AKT1, SKP2) reduction proteins responsible for initiation (AMPK, TSC2, ULK1), membrane nucleation, phagophore formation (BECN1, VPS34, ATG14), well autophagosome-lysosome fusion ATG14 oligomers). Consequently, phagophore-incorporated markers LC3B-II P62 accumulate, which confirm a hamster model lung samples Single-nucleus single-cell sequencing patient-derived mucosal differential transcriptional regulation immune genes depending on cell type, disease duration, replication levels. Targeting autophagic pathways by exogenous administration the polyamines spermidine spermine, selective AKT1 inhibitor MK-2206, BECN1-stabilizing anthelmintic drug niclosamide inhibit propagation vitro with IC

Language: Английский

Citations

236

Autophagy and the hallmarks of aging DOI Creative Commons
Susmita Kaushik, Inmaculada Tasset, Esperanza Arias

et al.

Ageing Research Reviews, Journal Year: 2021, Volume and Issue: 72, P. 101468 - 101468

Published: Sept. 24, 2021

Language: Английский

Citations

204

Biomarkers of aging DOI Open Access

Hainan Bao,

Jiani Cao, Mengting Chen

et al.

Science China Life Sciences, Journal Year: 2023, Volume and Issue: 66(5), P. 893 - 1066

Published: April 11, 2023

Language: Английский

Citations

203

Mitochondrial metabolism regulates macrophage biology DOI Creative Commons
Yafang Wang, Na Li, Xin Zhang

et al.

Journal of Biological Chemistry, Journal Year: 2021, Volume and Issue: 297(1), P. 100904 - 100904

Published: June 23, 2021

Mitochondria are critical for regulation of the activation, differentiation, and survival macrophages other immune cells. In response to various extracellular signals, such as microbial or viral infection, changes mitochondrial metabolism physiology could underlie corresponding state macrophage activation. These include alterations oxidative metabolism, membrane potential, tricarboxylic acid (TCA) cycling, well release reactive oxygen species (mtROS) DNA (mtDNA) transformation ultrastructure. Here, we provide an updated review how in metabolites fumarate, succinate, itaconate coordinate guide activation distinct cellular states, thus clarifying vital link between mitochondria immunity. We also discuss disease settings, dysfunction stress contribute dysregulation inflammatory response. Therefore, a source dynamic signals that regulate biology fine-tune responses. Macrophages safeguard tissue homeostasis To exert these varied functions, show high plasticity adopt different states according stimulus signals. The Th1 cytokine interferon-γ (IFNγ) together with Toll-like receptor (TLR) ligands, including lipopolysaccharide (LPS), promotes classically activated proinflammatory (commonly known M1-like macrophages), which secrete cytokines interleukin-6 (IL-6) IL-1β induce responses fight against infection; generate highly nitrogen intermediates gain efficient microbicidal tumoricidal activities; increase major histocompatibility complex (MHC)-I/II, CD80, CD86 expression (1Orecchioni M. Ghosheh Y. Pramod A.B. Ley K. Macrophage polarization: Different gene signatures M1(LPS+) vs. M2(LPS-) alternatively macrophages.Front. Immunol. 2019; 10: 1084Crossref PubMed Scopus (239) Google Scholar, 2Shapouri-Moghaddam A. Mohammadian S. Vazini H. Taghadosi Esmaeili S.A. Mardani F. Seifi B. Mohammadi Afshari J.T. Sahebkar plasticity, polarization, function health disease.J. Cell Physiol. 2018; 233: 6425-6440Crossref (843) Scholar). However, continuous excessive may lead sustained inflammation accessory damage (3Sica Mantovani vivo veritas.J. Clin. Invest. 2012; 122: 787-795Crossref (3169) can be by stimulating factors states. For example, Th2 interleukin-4 (IL-4) IL-13 alternative M2-like activation) 4Gordon Martinez F.O. Alternative macrophages: Mechanism functions.Immunity. 2010; 32: 593-604Abstract Full Text PDF (2409) attenuate Th1/M1-driven inflammation, facilitate repair remodeling, Th2-driven pathologies, asthma helminth infections. Such express range specific scavenging molecules, mannose galactose receptors enzymes arginase (5Xue J. Schmidt S.V. Sander Draffehn Krebs W. Quester I. De Nardo D. Gohel T.D. Emde Schmidleithner L. Ganesan Nino-Castro Mallmann M.R. 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Language: Английский

Citations

182