A metabolic perspective of the neutrophil life cycle: new avenues in immunometabolism DOI Creative Commons

Mehakpreet K. Thind,

Holm H. Uhlig, Michael Glogauer

и другие.

Frontiers in Immunology, Год журнала: 2024, Номер 14

Опубликована: Янв. 8, 2024

Neutrophils are the most abundant innate immune cells. Multiple mechanisms allow them to engage a wide range of metabolic pathways for biosynthesis and bioenergetics mediating biological processes such as development in bone marrow antimicrobial activity ROS production NET formation, inflammation tissue repair. We first discuss recent work on neutrophil functions regulate granulopoiesis, migration trafficking well effector functions. then syndromes with impaired that influenced by genetic environmental factors nutrient availability usage. Here, we particularly focus role specific macronutrients, glucose, fatty acids, protein, micronutrients vitamin B3, regulating biology how this regulation impacts host health. A special section review primarily discusses ways deficiencies could impact increase infection susceptibility. emphasize biochemical approaches explore metabolism relation Lastly, opportunities challenges neutrophil-centered therapeutic immune-driven diseases highlight unanswered questions guide future discoveries.

Язык: Английский

Reactive oxygen species (ROS) as pleiotropic physiological signalling agents DOI
Helmut Sies, Dean P. Jones

Nature Reviews Molecular Cell Biology, Год журнала: 2020, Номер 21(7), С. 363 - 383

Опубликована: Март 30, 2020

Язык: Английский

Процитировано

3560

Multi-omics analysis identifies ATF4 as a key regulator of the mitochondrial stress response in mammals DOI Creative Commons
Pedro M. Quirós, Miguel A. Prado, Nicola Zamboni

и другие.

The Journal of Cell Biology, Год журнала: 2017, Номер 216(7), С. 2027 - 2045

Опубликована: Май 31, 2017

Mitochondrial stress activates a mitonuclear response to safeguard and repair mitochondrial function adapt cellular metabolism stress. Using multiomics approach in mammalian cells treated with four types of stressors, we identify activating transcription factor 4 (ATF4) as the main regulator response. Surprisingly, canonical unfolded protein genes mediated by ATF5 are not activated. Instead, ATF4 expression cytoprotective genes, which reprogram through activation integrated (ISR). promotes local proteostatic reducing ribosomal proteins, inhibiting translation, coupling ISR attenuation function. Through trans–expression quantitative trait locus analysis, provide genetic evidence supporting role for Fh1 control Atf4 mammals. gene data from mice humans diseases, show that pathway is activated vivo upon Our illustrate value characterize complex networks versatile resource new regulators mitochondrial-related diseases.

Язык: Английский

Процитировано

720

History and progress of hypotheses and clinical trials for Alzheimer’s disease DOI Creative Commons
Peipei Liu, Yi Xie, Xiao‐Yan Meng

и другие.

Signal Transduction and Targeted Therapy, Год журнала: 2019, Номер 4(1)

Опубликована: Авг. 23, 2019

Abstract Alzheimer’s disease (AD) is a neurodegenerative characterized by progressive memory loss along with neuropsychiatric symptoms and decline in activities of daily life. Its main pathological features are cerebral atrophy, amyloid plaques, neurofibrillary tangles the brains patients. There various descriptive hypotheses regarding causes AD, including cholinergic hypothesis, tau propagation mitochondrial cascade calcium homeostasis neurovascular inflammatory metal ion lymphatic system hypothesis. However, ultimate etiology AD remains obscure. In this review, we discuss related clinical trials. Wealthy puzzles lessons have made it possible to develop explanatory theories identify potential strategies for therapeutic interventions AD. The combination hypometabolism autophagy deficiency likely be causative factor We further propose that fluoxetine, selective serotonin reuptake inhibitor, has treat

Язык: Английский

Процитировано

571

An energetic view of stress: Focus on mitochondria DOI Creative Commons
Martin Picard, Bruce S. McEwen, Elissa Epel

и другие.

Frontiers in Neuroendocrinology, Год журнала: 2018, Номер 49, С. 72 - 85

Опубликована: Янв. 12, 2018

Energy is required to sustain life and enable stress adaptation. At the cellular level, energy largely derived from mitochondria – unique multifunctional organelles with their own genome. Four main elements connect stress: (1) at molecular, (epi)genetic, cellular, organellar, systemic levels components of responses; (2) Glucocorticoids other steroid hormones are produced metabolized by mitochondria; (3) Reciprocally, respond neuroendocrine metabolic mediators; (4) Experimentally manipulating mitochondrial functions alters physiological behavioral responses psychological stress. Thus, endocrine that provide both signals direct Neural circuits regulating social behavior as well psychopathological processes also influenced energetics. An integrative view an energy-driven process opens new opportunities study mechanisms adaptation regulation across lifespan.

Язык: Английский

Процитировано

444

Mitochondrial dysfunction in type 2 diabetes mellitus: an organ-based analysis DOI Open Access

Mark V. Pinti,

Garrett K. Fink,

Quincy A. Hathaway

и другие.

AJP Endocrinology and Metabolism, Год журнала: 2019, Номер 316(2), С. E268 - E285

Опубликована: Янв. 2, 2019

Type 2 diabetes mellitus (T2DM) is a systemic disease characterized by hyperglycemia, hyperlipidemia, and organismic insulin resistance. This pathological shift in both circulating fuel levels energy substrate utilization central peripheral tissues contributes to mitochondrial dysfunction across organ systems. The mitochondrion lies at the intersection of critical cellular pathways such as metabolism, reactive oxygen species (ROS) generation, apoptosis. It disequilibrium these processes T2DM that results downstream deficits vital functions, including hepatocyte cardiac output, skeletal muscle contraction, β-cell production, neuronal health. Although mitochondria are known be susceptible variety genetic environmental insults, accumulation DNA (mtDNA) mutations mtDNA copy number depletion helping explain prevalence mitochondrial-related diseases T2DM. Recent work has uncovered novel biology implicated progressions heteroplasmy, noncoding RNA (ncRNA), epigenetic modification genome, epitranscriptomic regulation mtDNA-encoded transcriptome. goal this review highlight observed throughout major systems context present new ideas for future research directions based on experimental technological innovations biology. Finally, field mitochondria-targeted therapeutics discussed, with an emphasis therapeutic strategies restore homeostasis setting

Язык: Английский

Процитировано

324

The Peroxisome-Mitochondria Connection: How and Why? DOI Open Access
Marc Fransen, Celien Lismont,

Paul A. Walton

и другие.

International Journal of Molecular Sciences, Год журнала: 2017, Номер 18(6), С. 1126 - 1126

Опубликована: Май 24, 2017

Over the past decades, peroxisomes have emerged as key regulators in overall cellular lipid and reactive oxygen species metabolism. In mammals, these organelles also been recognized important hubs redox-, lipid-, inflammatory-, innate immune-signaling networks. To exert activities, must interact both functionally physically with other cell organelles. This review provides a comprehensive look of what is currently known about interconnectivity between mitochondria within mammalian cells. We first outline how peroxisomal mitochondrial abundance are controlled by common sets cis- trans-acting factors. Next, we discuss may communicate each at molecular level. addition, reflect on cooperate various metabolic signaling pathways. Finally, address why to maintain healthy relationship defects one organelle cause dysfunction other. Gaining better insight into issues pivotal understanding function their environment, health disease.

Язык: Английский

Процитировано

296

Metabolic and epigenetic regulation of T-cell exhaustion DOI
Fabien Franco, Alison Jaccard, Pedro Romero

и другие.

Nature Metabolism, Год журнала: 2020, Номер 2(10), С. 1001 - 1012

Опубликована: Сен. 21, 2020

Язык: Английский

Процитировано

286

The role of mitochondria in stem cell fate and aging DOI Open Access
Hongbo Zhang, Keir J. Menzies, Johan Auwerx

и другие.

Development, Год журнала: 2018, Номер 145(8)

Опубликована: Апрель 13, 2018

ABSTRACT The importance of mitochondria in energy metabolism, signal transduction and aging post-mitotic tissues has been well established. Recently, the crucial role mitochondrial-linked signaling stem cell function come to light mediating activity is becoming increasingly recognized. Despite fact that many cells exhibit low mitochondrial content a reliance on mitochondrial-independent glycolytic metabolism for energy, accumulating evidence implicated activation, fate decisions defense against senescence. In this Review, we discuss recent advances link homeostasis, stress responses, dynamics function, particularly context disease aging. This Review will also highlight some progress therapeutics may present attractive strategies improving as basis regenerative medicine healthy

Язык: Английский

Процитировано

256

Regulation of Stem Cell Aging by Metabolism and Epigenetics DOI Creative Commons
Ruotong Ren, Alejandro Ocampo, Guang‐Hui Liu

и другие.

Cell Metabolism, Год журнала: 2017, Номер 26(3), С. 460 - 474

Опубликована: Авг. 17, 2017

Язык: Английский

Процитировано

230

Mitochondria as a Cellular Hub in Infection and Inflammation DOI Open Access
Pauline Andrieux, Christophe Chevillard, Edécio Cunha‐Neto

и другие.

International Journal of Molecular Sciences, Год журнала: 2021, Номер 22(21), С. 11338 - 11338

Опубликована: Окт. 20, 2021

Mitochondria are the energy center of cell. They found in cell cytoplasm as dynamic networks where they adapt production based on cell’s needs. also at proinflammatory response and have essential roles against pathogenic infections. a major site for Reactive Oxygen Species (ROS; or free radicals), which to fight infection. However, excessive uncontrolled can become deleterious cell, leading mitochondrial tissue damage. Pathogens exploit role mitochondria during infection by affecting oxidative phosphorylation mechanism (OXPHOS), network disrupting communication between nucleus mitochondria. The these biological processes makes organelle good targets development therapeutic strategies. In this review, we presented summary endosymbiotic origin their involvement pathogen response, well potential promising infectious diseases chronic inflammatory diseases.

Язык: Английский

Процитировано

217