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Li Y, You L, Nepovimova E, Adam V, Heger Z, Jomova K, Valko M, Wu Q, Kuca K. c-Jun N-terminal kinase signaling in aging. Front Aging Neurosci 2024; 16:1453710. [PMID: 39267721 PMCID: PMC11390425 DOI: 10.3389/fnagi.2024.1453710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2024] [Accepted: 08/01/2024] [Indexed: 09/15/2024] Open
Abstract
Aging encompasses a wide array of detrimental effects that compromise physiological functions, elevate the risk of chronic diseases, and impair cognitive abilities. However, the precise underlying mechanisms, particularly the involvement of specific molecular regulatory proteins in the aging process, remain insufficiently understood. Emerging evidence indicates that c-Jun N-terminal kinase (JNK) serves as a potential regulator within the intricate molecular clock governing aging-related processes. JNK demonstrates the ability to diminish telomerase reverse transcriptase activity, elevate β-galactosidase activity, and induce telomere shortening, thereby contributing to immune system aging. Moreover, the circadian rhythm protein is implicated in JNK-mediated aging. Through this comprehensive review, we meticulously elucidate the intricate regulatory mechanisms orchestrated by JNK signaling in aging processes, offering unprecedented molecular insights with significant implications and highlighting potential therapeutic targets. We also explore the translational impact of targeting JNK signaling for interventions aimed at extending healthspan and promoting longevity.
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Affiliation(s)
- Yihao Li
- College of Life Science, Yangtze University, Jingzhou, China
| | - Li You
- College of Physical Education and Health, Chongqing College of International Business and Economics, Chongqing, China
| | - Eugenie Nepovimova
- Department of Chemistry, Faculty of Science, University of Hradec Králové, Hradec Králové, Czechia
| | - Vojtech Adam
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno, Czechia
| | - Zbynek Heger
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno, Czechia
| | - Klaudia Jomova
- Department of Chemistry, Faculty of Natural Sciences and Informatics, Constantine the Philosopher University in Nitra, Nitra, Slovakia
| | - Marian Valko
- Faculty of Chemical and Food Technology, Slovak University of Technology, Bratislava, Slovakia
| | - Qinghua Wu
- College of Life Science, Yangtze University, Jingzhou, China
- Department of Chemistry, Faculty of Science, University of Hradec Králové, Hradec Králové, Czechia
| | - Kamil Kuca
- Department of Chemistry, Faculty of Science, University of Hradec Králové, Hradec Králové, Czechia
- Faculty of Chemical and Food Technology, Slovak University of Technology, Bratislava, Slovakia
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2
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Rajan PK, Udoh UAS, Finley R, Pierre SV, Sanabria J. The Biological Clock of Liver Metabolism in Metabolic Dysfunction-Associated Steatohepatitis Progression to Hepatocellular Carcinoma. Biomedicines 2024; 12:1961. [PMID: 39335475 PMCID: PMC11428469 DOI: 10.3390/biomedicines12091961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2024] [Revised: 08/12/2024] [Accepted: 08/19/2024] [Indexed: 09/30/2024] Open
Abstract
Circadian rhythms are endogenous behavioral or physiological cycles that are driven by a daily biological clock that persists in the absence of geophysical or environmental temporal cues. Circadian rhythm-related genes code for clock proteins that rise and fall in rhythmic patterns driving biochemical signals of biological processes from metabolism to physiology and behavior. Clock proteins have a pivotal role in liver metabolism and homeostasis, and their disturbances are implicated in various liver disease processes. Encoded genes play critical roles in the initiation and progression of metabolic dysfunction-associated steatohepatitis (MASH) to hepatocellular carcinoma (HCC) and their proteins may become diagnostic markers as well as therapeutic targets. Understanding molecular and metabolic mechanisms underlying circadian rhythms will aid in therapeutic interventions and may have broader clinical applications. The present review provides an overview of the role of the liver's circadian rhythm in metabolic processes in health and disease, emphasizing MASH progression and the oncogenic associations that lead to HCC.
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Affiliation(s)
- Pradeep Kumar Rajan
- Marshall Institute for Interdisciplinary Research, Huntington, WV 25703, USA
- Department of Surgery, School of Medicine, Marshall University, Huntington, WV 25701, USA
| | - Utibe-Abasi S Udoh
- Marshall Institute for Interdisciplinary Research, Huntington, WV 25703, USA
- Department of Surgery, School of Medicine, Marshall University, Huntington, WV 25701, USA
| | - Robert Finley
- Department of Surgery, School of Medicine, Marshall University, Huntington, WV 25701, USA
| | - Sandrine V Pierre
- Marshall Institute for Interdisciplinary Research, Huntington, WV 25703, USA
| | - Juan Sanabria
- Marshall Institute for Interdisciplinary Research, Huntington, WV 25703, USA
- Department of Surgery, School of Medicine, Marshall University, Huntington, WV 25701, USA
- Department of Nutrition and Metabolomic Core Facility, School of Medicine, Case Western Reserve University, Cleveland, OH 44100, USA
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3
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Hou W, Hou W, Zhao X. Exploring transcriptomic databases: unraveling circadian gene disruptions in lower grade glioma. Sci Rep 2024; 14:16960. [PMID: 39043735 PMCID: PMC11266536 DOI: 10.1038/s41598-024-67559-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 07/12/2024] [Indexed: 07/25/2024] Open
Abstract
The study explored the role of circadian rhythm genes (CRGs) in lower grade glioma (LGG) development and found that certain genes, such as CRY1, NPAS2, and RORB, were associated with increased or decreased risk of LGG. The study also investigated the correlation between CRGs and immune cell infiltration, revealing a negative association with macrophage infiltration and a positive correlation with B cell and CD8 + T cell infiltration. Additionally, the study identified major mutated CRGs, including PER2, BMAL1, CLOCK, and BMAL2, and their potential interaction with other CNS-associated genes. The study suggests that CRGs play a crucial role in immune response and tumorigenesis in LGG patients and warrants further investigation.
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Affiliation(s)
- Weiyu Hou
- Department of Neurosurgery, The First Hospital of Shanxi Medical University, Taiyuan, 030012, China
| | - Weiming Hou
- Department of Medical Engineering, Air Force Medical Center, PLA, Beijing, 100142, China
| | - Xueming Zhao
- Department of Neurosurgery, The First Hospital of Shanxi Medical University, Taiyuan, 030012, China.
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4
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Ogino N, Leite MF, Guerra MT, Kruglov E, Asashima H, Hafler DA, Ito T, Pereira JP, Peiffer BJ, Sun Z, Ehrlich BE, Nathanson MH. Neutrophils insert elastase into hepatocytes to regulate calcium signaling in alcohol-associated hepatitis. J Clin Invest 2024; 134:e171691. [PMID: 38916955 PMCID: PMC11324315 DOI: 10.1172/jci171691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 06/20/2024] [Indexed: 06/27/2024] Open
Abstract
Neutrophil infiltration occurs in a variety of liver diseases, but it is unclear how neutrophils and hepatocytes interact. Neutrophils generally use granule proteases to digest phagocytosed bacteria and foreign substances or neutralize them in neutrophil extracellular traps. In certain pathological states, granule proteases play a destructive role against the host as well. More recently, nondestructive actions of neutrophil granule proteins have been reported, such as modulation of tissue remodeling and metabolism. Here, we report a completely different mechanism by which neutrophils act nondestructively, by inserting granules directly into hepatocytes. Specifically, elastase-containing granules were transferred to hepatocytes where elastase selectively degraded intracellular calcium channels to reduce cell proliferation without cytotoxicity. In response, hepatocytes increased expression of Serpin E2 and A3, which inhibited elastase activity. Elastase insertion was seen in patient specimens of alcohol-associated hepatitis, and the relationship between elastase-mediated ITPR2 degradation and reduced cell proliferation was confirmed in mouse models. Moreover, neutrophils from patients with alcohol-associated hepatitis were more prone to degranulation and more potent in reducing calcium channel expression than neutrophils from healthy individuals. This nondestructive and reversible action on hepatocytes defines a previously unrecognized role for neutrophils in the transient regulation of epithelial calcium signaling mechanisms.
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Affiliation(s)
- Noriyoshi Ogino
- Yale Liver Center, Yale University School of Medicine, New Haven, Connecticut, USA
| | - M. Fatima Leite
- Yale Liver Center, Yale University School of Medicine, New Haven, Connecticut, USA
- INCT - NanoBiofar – Department of Physiology and Biophysics, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Mateus T. Guerra
- Yale Liver Center, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Emma Kruglov
- Yale Liver Center, Yale University School of Medicine, New Haven, Connecticut, USA
| | | | | | - Takeshi Ito
- Department of Immunobiology and Yale Stem Cell Center, Yale University School of Medicine, New Haven, Connecticut, USA
| | - João P. Pereira
- Department of Immunobiology and Yale Stem Cell Center, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Brandon J. Peiffer
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Zhaoli Sun
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Barbara E. Ehrlich
- Yale Liver Center, Yale University School of Medicine, New Haven, Connecticut, USA
- Department of Pharmacology, Yale University School of Medicine, New Haven, Connecticut, USA
- Department of Pathology, New York University School of Medicine, New York, New York, USA
| | - Michael H. Nathanson
- Yale Liver Center, Yale University School of Medicine, New Haven, Connecticut, USA
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5
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Gong H, He Q, Zhu L, Feng Z, Sun M, Jiang J, Yuan X, Shen Y, Di J. Associations between systemic inflammation indicators and nonalcoholic fatty liver disease: evidence from a prospective study. Front Immunol 2024; 15:1389967. [PMID: 38979415 PMCID: PMC11228160 DOI: 10.3389/fimmu.2024.1389967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Accepted: 06/10/2024] [Indexed: 07/10/2024] Open
Abstract
Background Although inflammation has been linked to nonalcoholic fatty liver disease (NAFLD), most studies have focused only on a single indicator, leading to inconsistent results. Therefore, a large prospective study that includes a variety of well-documented single and composite indicators of inflammation is needed. This study aimed to thoroughly investigate the potential associations between different systemic inflammatory indicators and NAFLD in the UK Biobank cohort. Methods After excluding ineligible participants, 378,139 individuals were included in the study. Associations between systemic inflammatory indicators and hepatic steatosis were assessed using multivariate logistic regression. The relationships between systemic inflammatory indicators and nonalcoholic fatty liver disease were analysed using Cox proportional hazards models, and nonlinear associations were investigated using restricted cubic splines. Results According to the cross-sectional analysis, systemic inflammatory indicators significantly correlated with hepatic steatosis. Over a median follow-up of 13.9 years, 4,145 individuals developed NAFLD. After sufficient adjustment for confounding factors, CRP levels were found to be nonlinearly positively associated with NAFLD risk (P<0.001), representing the strongest correlation among the tested relationships; lymphocyte count and the LMR showed an L-shaped correlation; monocyte count and neutrophil count showed a linear positive correlation (all P< 0.001); and the NLR, PLR, and SII showed a U-shaped correlation (all P<0.001). Conclusions Multiple systemic inflammatory indicators are strongly associated with the development of NAFLD, and aggressive systemic inflammation management may have a favourable impact on reducing the burden of NAFLD; further randomized controlled studies are needed.
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Affiliation(s)
- Hao Gong
- Infection Management Department, The First People's Hospital of Changzhou, Changzhou, China
| | - Qida He
- Department of Epidemiology and Biostatistics, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Lili Zhu
- Infection Management Department, The First People's Hospital of Changzhou, Changzhou, China
| | - Zhaolong Feng
- Department of Epidemiology and Biostatistics, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Mengtong Sun
- Department of Epidemiology and Biostatistics, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Jingting Jiang
- Tumor Biological Diagnosis and Treatment Center, The First People's Hospital of Changzhou, Changzhou, China
| | - Xiaofeng Yuan
- Department of Spine Surgery, The First People's Hospital of Changzhou, Changzhou, China
| | - Yueping Shen
- Department of Epidemiology and Biostatistics, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Jia Di
- Infection Management Department, The First People's Hospital of Changzhou, Changzhou, China
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6
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Nikolic I, Ruiz-Garrido I, Crespo M, Romero-Becerra R, Leiva-Vega L, Mora A, León M, Rodríguez E, Leiva M, Plata-Gómez AB, Alvarez Flores MB, Torres JL, Hernández-Cosido L, López JA, Vázquez J, Efeyan A, Martin P, Marcos M, Sabio G. Lack of p38 activation in T cells increases IL-35 and protects against obesity by promoting thermogenesis. EMBO Rep 2024; 25:2635-2661. [PMID: 38730210 PMCID: PMC11169359 DOI: 10.1038/s44319-024-00149-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 04/15/2024] [Accepted: 04/17/2024] [Indexed: 05/12/2024] Open
Abstract
Obesity is characterized by low-grade inflammation, energy imbalance and impaired thermogenesis. The role of regulatory T cells (Treg) in inflammation-mediated maladaptive thermogenesis is not well established. Here, we find that the p38 pathway is a key regulator of T cell-mediated adipose tissue (AT) inflammation and browning. Mice with T cells specifically lacking the p38 activators MKK3/6 are protected against diet-induced obesity, leading to an improved metabolic profile, increased browning, and enhanced thermogenesis. We identify IL-35 as a driver of adipocyte thermogenic program through the ATF2/UCP1/FGF21 pathway. IL-35 limits CD8+ T cell infiltration and inflammation in AT. Interestingly, we find that IL-35 levels are reduced in visceral fat from obese patients. Mechanistically, we demonstrate that p38 controls the expression of IL-35 in human and mouse Treg cells through mTOR pathway activation. Our findings highlight p38 signaling as a molecular orchestrator of AT T cell accumulation and function.
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Affiliation(s)
- Ivana Nikolic
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, 28029, Spain.
| | - Irene Ruiz-Garrido
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, 28029, Spain
| | - María Crespo
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, 28029, Spain
| | | | - Luis Leiva-Vega
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, 28029, Spain
- Programme of Molecular Oncology, Spanish National Cancer Research Center (CNIO), Madrid, 28029, Spain
| | - Alfonso Mora
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, 28029, Spain
- Programme of Molecular Oncology, Spanish National Cancer Research Center (CNIO), Madrid, 28029, Spain
| | - Marta León
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, 28029, Spain
| | - Elena Rodríguez
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, 28029, Spain
- Programme of Molecular Oncology, Spanish National Cancer Research Center (CNIO), Madrid, 28029, Spain
| | - Magdalena Leiva
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, 28029, Spain
- Department of Immunology, School of Medicine, Universidad Complutense de Madrid, Madrid, 28040, Spain
| | - Ana Belén Plata-Gómez
- Programme of Molecular Oncology, Spanish National Cancer Research Center (CNIO), Madrid, 28029, Spain
| | | | - Jorge L Torres
- Department of Internal Medicine, University Hospital of Salamanca-IBSAL, Department of Medicine, University of Salamanca, Salamanca, 37007, Spain
- Complejo Asistencial de Zamora, Zamora, 49022, Spain
| | - Lourdes Hernández-Cosido
- Bariatric Surgery Unit, Department of General Surgery, University Hospital of Salamanca, Department of Surgery, University of Salamanca, Salamanca, 37007, Spain
| | - Juan Antonio López
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, 28029, Spain
- CIBER de Enfermedades Cardiovasculares, Madrid, 28029, Spain
| | - Jesús Vázquez
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, 28029, Spain
- CIBER de Enfermedades Cardiovasculares, Madrid, 28029, Spain
| | - Alejo Efeyan
- Programme of Molecular Oncology, Spanish National Cancer Research Center (CNIO), Madrid, 28029, Spain
| | - Pilar Martin
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, 28029, Spain
- CIBER de Enfermedades Cardiovasculares, Madrid, 28029, Spain
| | - Miguel Marcos
- Department of Internal Medicine, University Hospital of Salamanca-IBSAL, Department of Medicine, University of Salamanca, Salamanca, 37007, Spain
| | - Guadalupe Sabio
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, 28029, Spain.
- Programme of Molecular Oncology, Spanish National Cancer Research Center (CNIO), Madrid, 28029, Spain.
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7
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Borrmann H, Rijo-Ferreira F. Crosstalk between circadian clocks and pathogen niche. PLoS Pathog 2024; 20:e1012157. [PMID: 38723104 PMCID: PMC11081299 DOI: 10.1371/journal.ppat.1012157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2024] Open
Abstract
Circadian rhythms are intrinsic 24-hour oscillations found in nearly all life forms. They orchestrate key physiological and behavioral processes, allowing anticipation and response to daily environmental changes. These rhythms manifest across entire organisms, in various organs, and through intricate molecular feedback loops that govern cellular oscillations. Recent studies describe circadian regulation of pathogens, including parasites, bacteria, viruses, and fungi, some of which have their own circadian rhythms while others are influenced by the rhythmic environment of hosts. Pathogens target specific tissues and organs within the host to optimize their replication. Diverse cellular compositions and the interplay among various cell types create unique microenvironments in different tissues, and distinctive organs have unique circadian biology. Hence, residing pathogens are exposed to cyclic conditions, which can profoundly impact host-pathogen interactions. This review explores the influence of circadian rhythms and mammalian tissue-specific interactions on the dynamics of pathogen-host relationships. Overall, this demonstrates the intricate interplay between the body's internal timekeeping system and its susceptibility to pathogens, which has implications for the future of infectious disease research and treatment.
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Affiliation(s)
- Helene Borrmann
- Berkeley Public Health, Molecular and Cell Biology Department, University of California Berkeley, Berkeley, California, United States of America
| | - Filipa Rijo-Ferreira
- Berkeley Public Health, Molecular and Cell Biology Department, University of California Berkeley, Berkeley, California, United States of America
- Chan Zuckerberg Biohub–San Francisco, San Francisco, California, United States of America
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8
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Dallaspezia S, Cardaci V, Mazza MG, De Lorenzo R, Rovere Querini P, Colombo C, Benedetti F. Higher Seasonal Variation of Systemic Inflammation in Bipolar Disorder. Int J Mol Sci 2024; 25:4310. [PMID: 38673894 PMCID: PMC11049938 DOI: 10.3390/ijms25084310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 04/08/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
Seasonal rhythms affect the immune system. Evidence supports the involvement of immuno-inflammatory mechanisms in bipolar disorder (BD), with the neutrophil to lymphocyte ratio (NLR), and the systemic immune-inflammatory index (SII; platelets × neutrophils/lymphocytes) consistently reported to be higher in patients with BD than in HC, but seasonal rhythms of innate and adaptive immunity have never been studied. We retrospectively studied NLR and SII in 824 participants divided into three groups: 321 consecutively admitted inpatients affected by a major depressive episode in course of BD, and 255 consecutively admitted inpatients affected by obsessive-compulsive disorder (OCD; positive psychiatric control), and 248 healthy controls (HC). Patients with BD showed markedly higher markers of systemic inflammation in autumn and winter, but not in spring and summer, in respect to both HC and patients with OCD, thus suggesting a specific effect of season on inflammatory markers in BD, independent of a shared hospital setting and drug treatment. Given that systemic inflammation is emerging as a new marker and as target for treatment in depressive disorders, we suggest that seasonal rhythms should be considered for tailoring antidepressant immuno-modulatory treatments in a precision medicine approach.
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Affiliation(s)
- Sara Dallaspezia
- Division of Neuroscience, IRCCS Ospedale San Raffaele, 20132 Milano, Italy; (S.D.); (M.G.M.)
| | - Vincenzo Cardaci
- Università Vita-Salute San Raffaele, 20132 Milano, Italy; (V.C.); (P.R.Q.); (C.C.)
| | - Mario Gennaro Mazza
- Division of Neuroscience, IRCCS Ospedale San Raffaele, 20132 Milano, Italy; (S.D.); (M.G.M.)
| | - Rebecca De Lorenzo
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS Ospedale San Raffaele, 20132 Milano, Italy;
| | - Patrizia Rovere Querini
- Università Vita-Salute San Raffaele, 20132 Milano, Italy; (V.C.); (P.R.Q.); (C.C.)
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS Ospedale San Raffaele, 20132 Milano, Italy;
| | - Cristina Colombo
- Università Vita-Salute San Raffaele, 20132 Milano, Italy; (V.C.); (P.R.Q.); (C.C.)
- Mood Disorders Unit, IRCCS Ospedale San Raffaele, 20132 Milano, Italy
| | - Francesco Benedetti
- Division of Neuroscience, IRCCS Ospedale San Raffaele, 20132 Milano, Italy; (S.D.); (M.G.M.)
- Università Vita-Salute San Raffaele, 20132 Milano, Italy; (V.C.); (P.R.Q.); (C.C.)
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9
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Rizo-Téllez SA, Filep JG. Beyond host defense and tissue injury: the emerging role of neutrophils in tissue repair. Am J Physiol Cell Physiol 2024; 326:C661-C683. [PMID: 38189129 PMCID: PMC11193466 DOI: 10.1152/ajpcell.00652.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 12/31/2023] [Accepted: 12/31/2023] [Indexed: 01/09/2024]
Abstract
Neutrophils, the most abundant immune cells in human blood, play a fundamental role in host defense against invading pathogens and tissue injury. Neutrophils carry potentially lethal weaponry to the affected site. Inadvertent and perpetual neutrophil activation could lead to nonresolving inflammation and tissue damage, a unifying mechanism of many common diseases. The prevailing view emphasizes the dichotomy of their function, host defense versus tissue damage. However, tissue injury may also persist during neutropenia, which is associated with disease severity and poor outcome. Numerous studies highlight neutrophil phenotypic heterogeneity and functional versatility, indicating that neutrophils play more complex roles than previously thought. Emerging evidence indicates that neutrophils actively orchestrate resolution of inflammation and tissue repair and facilitate return to homeostasis. Thus, neutrophils mobilize multiple mechanisms to limit the inflammatory reaction, assure debris removal, matrix remodeling, cytokine scavenging, macrophage reprogramming, and angiogenesis. In this review, we will summarize the homeostatic and tissue-reparative functions and mechanisms of neutrophils across organs. We will also discuss how the healing power of neutrophils might be harnessed to develop novel resolution and repair-promoting therapies while maintaining their defense functions.
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Affiliation(s)
- Salma A Rizo-Téllez
- Department of Pathology and Cell Biology, University of Montreal and Research Center, Maisonneuve-Rosemont Hospital, Montreal, Quebec, Canada
| | - János G Filep
- Department of Pathology and Cell Biology, University of Montreal and Research Center, Maisonneuve-Rosemont Hospital, Montreal, Quebec, Canada
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10
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Jaschke NP, Breining D, Hofmann M, Pählig S, Baschant U, Oertel R, Traikov S, Grinenko T, Saettini F, Biondi A, Stylianou M, Bringmann H, Zhang C, Yoshida TM, Weidner H, Poller WC, Swirski FK, Göbel A, Hofbauer LC, Rauner M, Scheiermann C, Wang A, Rachner TD. Small-molecule CBP/p300 histone acetyltransferase inhibition mobilizes leukocytes from the bone marrow via the endocrine stress response. Immunity 2024; 57:364-378.e9. [PMID: 38301651 PMCID: PMC10923082 DOI: 10.1016/j.immuni.2024.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 12/01/2023] [Accepted: 01/08/2024] [Indexed: 02/03/2024]
Abstract
Mutations of the CBP/p300 histone acetyltransferase (HAT) domain can be linked to leukemic transformation in humans, suggestive of a checkpoint of leukocyte compartment sizes. Here, we examined the impact of reversible inhibition of this domain by the small-molecule A485. We found that A485 triggered acute and transient mobilization of leukocytes from the bone marrow into the blood. Leukocyte mobilization by A485 was equally potent as, but mechanistically distinct from, granulocyte colony-stimulating factor (G-CSF), which allowed for additive neutrophil mobilization when both compounds were combined. These effects were maintained in models of leukopenia and conferred augmented host defenses. Mechanistically, activation of the hypothalamus-pituitary-adrenal gland (HPA) axis by A485 relayed shifts in leukocyte distribution through corticotropin-releasing hormone receptor 1 (CRHR1) and adrenocorticotropic hormone (ACTH), but independently of glucocorticoids. Our findings identify a strategy for rapid expansion of the blood leukocyte compartment via a neuroendocrine loop, with implications for the treatment of human pathologies.
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Affiliation(s)
- Nikolai P Jaschke
- Division of Endocrinology, Department of Medicine III, Faculty of Medicine, Technische Universität Dresden, Dresden, Germany; Department of Internal Medicine (Rheumatology, Allergy & Immunology) and Department of Immunobiology, Yale School of Medicine, New Haven, CT, USA.
| | - Dorit Breining
- Division of Endocrinology, Department of Medicine III, Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Maura Hofmann
- Division of Endocrinology, Department of Medicine III, Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Sophie Pählig
- Division of Endocrinology, Department of Medicine III, Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Ulrike Baschant
- Division of Endocrinology, Department of Medicine III, Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Reinhard Oertel
- Institute of Clinical Pharmacology, Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Sofia Traikov
- Max-Planck Institute of Molecular Cell Biology, Dresden, Germany
| | - Tatyana Grinenko
- Institute of Clinical Chemistry and Laboratory Medicine, Faculty of Medicine, Technische Universität Dresden, Dresden, Germany; Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Jiao Tong University School of Medicine, Shanghai, China
| | - Francesco Saettini
- Tettamanti Research Center, University of Milano-Bicocca, University of Milano Bicocca, Monza, Italy
| | - Andrea Biondi
- Centro Tettamanti, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy; Pediatria, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy; Dipartimento di Medicina e Chirurgia, Università degli Studi Milano-Bicocca, Monza, Italy
| | - Myrto Stylianou
- Biotechnology Center (Biotec) Technische Universität Dresden, Dresden, Germany
| | - Henrik Bringmann
- Biotechnology Center (Biotec) Technische Universität Dresden, Dresden, Germany
| | - Cuiling Zhang
- Department of Internal Medicine (Rheumatology, Allergy & Immunology) and Department of Immunobiology, Yale School of Medicine, New Haven, CT, USA
| | - Tomomi M Yoshida
- Department of Internal Medicine (Rheumatology, Allergy & Immunology) and Department of Immunobiology, Yale School of Medicine, New Haven, CT, USA
| | - Heike Weidner
- Division of Endocrinology, Department of Medicine III, Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Wolfram C Poller
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Filip K Swirski
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Andy Göbel
- Division of Endocrinology, Department of Medicine III, Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Lorenz C Hofbauer
- Division of Endocrinology, Department of Medicine III, Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Martina Rauner
- Division of Endocrinology, Department of Medicine III, Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Christoph Scheiermann
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland; Biomedical Center (BMC), Institute for Cardiovascular Physiology and Pathophysiology, Walter Brendel-Center for Experimental Medicine (WBex), Faculty of Medicine, Ludwig-Maximilians-Universität Munich, Planegg-Martinsried, Germany
| | - Andrew Wang
- Department of Internal Medicine (Rheumatology, Allergy & Immunology) and Department of Immunobiology, Yale School of Medicine, New Haven, CT, USA
| | - Tilman D Rachner
- Division of Endocrinology, Department of Medicine III, Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
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11
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Gong YT, Zhang LJ, Liu YC, Tang M, Lin JY, Chen XY, Chen YX, Yan Y, Zhang WD, Jin JM, Luan X. Neutrophils as potential therapeutic targets for breast cancer. Pharmacol Res 2023; 198:106996. [PMID: 37972723 DOI: 10.1016/j.phrs.2023.106996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 11/06/2023] [Accepted: 11/13/2023] [Indexed: 11/19/2023]
Abstract
Breast cancer (BC) remains the foremost cause of cancer mortality globally, with neutrophils playing a critical role in its pathogenesis. As an essential tumor microenvironment (TME) component, neutrophils are emerging as pivotal factors in BC progression. Growing evidence has proved that neutrophils play a Janus- role in BC by polarizing into the anti-tumor (N1) or pro-tumor (N2) phenotype. Clinical trials are evaluating neutrophil-targeted therapies, including Reparixin (NCT02370238) and Tigatuzumab (NCT01307891); however, their clinical efficacy remains suboptimal. This review summarizes the evidence regarding the close relationship between neutrophils and BC, emphasizing the critical roles of neutrophils in regulating metabolic and immune pathways. Additionally, we summarize the existing therapeutic approaches that target neutrophils, highlighting the challenges, and affirming the rationale for continuing to explore neutrophils as a viable therapeutic target in BC management.
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Affiliation(s)
- Yi-Ting Gong
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Li-Jun Zhang
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yi-Chen Liu
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Min Tang
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Jia-Yi Lin
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xin-Yi Chen
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yi-Xu Chen
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yue Yan
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Wei-Dong Zhang
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; School of Pharmacy, Second Military Medical University, Shanghai 201203, China; Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China.
| | - Jin-Mei Jin
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Xin Luan
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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12
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Bolshette N, Ibrahim H, Reinke H, Asher G. Circadian regulation of liver function: from molecular mechanisms to disease pathophysiology. Nat Rev Gastroenterol Hepatol 2023; 20:695-707. [PMID: 37291279 DOI: 10.1038/s41575-023-00792-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/27/2023] [Indexed: 06/10/2023]
Abstract
A wide variety of liver functions are regulated daily by the liver circadian clock and via systemic circadian control by other organs and cells within the gastrointestinal tract as well as the microbiome and immune cells. Disruption of the circadian system, as occurs during jetlag, shift work or an unhealthy lifestyle, is implicated in several liver-related pathologies, ranging from metabolic diseases such as obesity, type 2 diabetes mellitus and nonalcoholic fatty liver disease to liver malignancies such as hepatocellular carcinoma. In this Review, we cover the molecular, cellular and organismal aspects of various liver pathologies from a circadian viewpoint, and in particular how circadian dysregulation has a role in the development and progression of these diseases. Finally, we discuss therapeutic and lifestyle interventions that carry health benefits through support of a functional circadian clock that acts in synchrony with the environment.
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Affiliation(s)
- Nityanand Bolshette
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot, Israel
| | - Hussam Ibrahim
- University of Düsseldorf, Medical Faculty, Institute of Clinical Chemistry and Laboratory Diagnostics, Düsseldorf, Germany
| | - Hans Reinke
- University of Düsseldorf, Medical Faculty, Institute of Clinical Chemistry and Laboratory Diagnostics, Düsseldorf, Germany.
| | - Gad Asher
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot, Israel.
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13
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Chen AQ, Xue M, Qiu CZ, Zhang HY, Zhou R, Zhang L, Yin ZJ, Ren DL. Circadian clock1a coordinates neutrophil recruitment via nfe212a/duox-reactive oxygen species pathway in zebrafish. Cell Rep 2023; 42:113179. [PMID: 37756160 DOI: 10.1016/j.celrep.2023.113179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 07/26/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
Neutrophil recruitment to inflammatory sites appears to be an evolutionarily conserved strategy to fight against exogenous insults. However, the rhythmic characteristics and underlying mechanisms of neutrophil migration on a 24-h timescale are largely unknown. Using the advantage of in vivo imaging of zebrafish, this study explored how the circadian gene clock1a dynamically regulates the rhythmic recruitment of neutrophils to inflammatory challenges. We generated a clock1a mutant and found that neutrophil migration is significantly increased in caudal fin injury and lipopolysaccharide (LPS) injection. Transcriptome sequencing, chromatin immunoprecipitation (ChIP), and dual-luciferase reporting experiments suggest that the clock1a gene regulates neutrophil migration by coordinating the rhythmic expression of nfe212a and duox genes to control the reactive oxygen species (ROS) level. This study ultimately provides a visual model to expand the understanding of the rhythmic mechanisms of neutrophil recruitment on a circadian timescale in a diurnal organism from the perspective of ROS.
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Affiliation(s)
- An-Qi Chen
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Min Xue
- School of Life Science, Anhui Medical University, Hefei 230032, China
| | - Cheng-Zeng Qiu
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Hao-Yi Zhang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Ren Zhou
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Ling Zhang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Zong-Jun Yin
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China.
| | - Da-Long Ren
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China.
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14
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Ovadia S, Özcan A, Hidalgo A. The circadian neutrophil, inside-out. J Leukoc Biol 2023; 113:555-566. [PMID: 36999376 PMCID: PMC10583762 DOI: 10.1093/jleuko/qiad038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/14/2023] [Accepted: 03/16/2023] [Indexed: 04/01/2023] Open
Abstract
The circadian clock has sway on a myriad of physiological targets, among which the immune and inflammatory systems are particularly prominent. In this review, we discuss how neutrophils, the wildcard of the immune system, are regulated by circadian oscillations. We describe cell-intrinsic and extrinsic diurnal mechanisms governing the general physiology and function of these cells, from purely immune to homeostatic. Repurposing the concepts discovered in other cell types, we then speculate on various uncharted avenues of neutrophil-circadian relationships, such as topology, metabolism, and the regulation of tissue clocks, with the hope of identifying exciting new avenues of work in the context of circadian immunity.
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Affiliation(s)
- Samuel Ovadia
- Department of Immunobiology and Program of Vascular Biology and Therapeutics, Yale University, 10 Amistad Street, New Haven, CT 06519, United States
| | - Alaz Özcan
- Department of Immunobiology and Program of Vascular Biology and Therapeutics, Yale University, 10 Amistad Street, New Haven, CT 06519, United States
| | - Andrés Hidalgo
- Department of Immunobiology and Program of Vascular Biology and Therapeutics, Yale University, 10 Amistad Street, New Haven, CT 06519, United States
- Program of Cardiovascular Regeneration, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Calle Melchor Fernandez Almagro 3, Madrid 28029, Spain
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15
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Bradshaw JL, Cushen SC, Ricci CA, Tucker SM, Gardner JJ, Little JT, Osikoya O, Goulopoulou S. Gestational exposure to unmethylated CpG oligonucleotides dysregulates placental molecular clock network and fetoplacental growth dynamics, and disrupts maternal blood pressure circadian rhythms in rats. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.14.532649. [PMID: 36993698 PMCID: PMC10055100 DOI: 10.1101/2023.03.14.532649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Bacterial infections and impaired mitochondrial DNA dynamics are associated with adverse pregnancy outcomes. Unmethylated cytosine-guanine dinucleotide (CpG) motifs are common in bacterial and mitochondrial DNA and act as potent immunostimulators. Here, we tested the hypothesis that exposure to CpG oligonucleotides (ODN) during pregnancy would disrupt blood pressure circadian rhythms and the placental molecular clock machinery, mediating aberrant fetoplacental growth dynamics. Rats were repeatedly treated with CpG ODN in the 3 rd trimester (gestational day, GD, 14, 16, 18) and euthanized on GD20 (near term) or with a single dose of CpG ODN and euthanized 4 hours after treatment on GD14. Hemodynamic circadian rhythms were analyzed via Lomb-Scargle periodogram analysis on 24-h raw data collected continuously via radiotelemetry. A p -value ≥ 0.05 indicates the absence of a circadian rhythm. Following the first treatment with CpG ODN, maternal systolic and diastolic blood pressure circadian rhythms were lost ( p ≥ 0.05). Blood pressure circadian rhythm was restored by GD16 and remained unaffected after the second treatment with CpG ODN ( p < 0.0001). Diastolic blood pressure circadian rhythm was again lost after the last treatment on GD18 ( p ≥ 0.05). CpG ODN increased placental expression of Per2 and Per3 and Tnfα ( p ≤ 0.05) and affected fetoplacental growth dynamics, such as reduced fetal and placental weights were disproportionately associated with increases in the number of resorptions in ODN-treated dams compared to controls. In conclusion, gestational exposure to unmethylated CpG DNA dysregulates placental molecular clock network and fetoplacental growth dynamics and disrupts blood pressure circadian rhythms.
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16
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Crespo M, Nikolic I, Mora A, Rodríguez E, Leiva-Vega L, Pintor-Chocano A, Horrillo D, Hernández-Cosido L, Torres JL, Novoa E, Nogueiras R, Medina-Gómez G, Marcos M, Leiva M, Sabio G. Myeloid p38 activation maintains macrophage-liver crosstalk and BAT thermogenesis through IL-12-FGF21 axis. Hepatology 2023; 77:874-887. [PMID: 35592906 PMCID: PMC9936978 DOI: 10.1002/hep.32581] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 05/13/2022] [Accepted: 05/16/2022] [Indexed: 12/08/2022]
Abstract
Obesity features excessive fat accumulation in several body tissues and induces a state of chronic low-grade inflammation that contributes to the development of diabetes, steatosis, and insulin resistance. Recent research has shown that this chronic inflammation is crucially dependent on p38 pathway activity in macrophages, suggesting p38 inhibition as a possible treatment for obesity comorbidities. Nevertheless, we report here that lack of p38 activation in myeloid cells worsens high-fat diet-induced obesity, diabetes, and steatosis. Deficient p38 activation increases macrophage IL-12 production, leading to inhibition of hepatic FGF21 and reduction of thermogenesis in the brown fat. The implication of FGF21 in the phenotype was confirmed by its specific deletion in hepatocytes. We also found that IL-12 correlates with liver damage in human biopsies, indicating the translational potential of our results. Our findings suggest that myeloid p38 has a dual role in inflammation and that drugs targeting IL-12 might improve the homeostatic regulation of energy balance in response to metabolic stress.
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Affiliation(s)
- María Crespo
- Centro Nacional de Investigaciones Cardiovasculares , Madrid , Spain
| | - Ivana Nikolic
- Centro Nacional de Investigaciones Cardiovasculares , Madrid , Spain
| | - Alfonso Mora
- Centro Nacional de Investigaciones Cardiovasculares , Madrid , Spain
| | - Elena Rodríguez
- Centro Nacional de Investigaciones Cardiovasculares , Madrid , Spain
| | - Luis Leiva-Vega
- Centro Nacional de Investigaciones Cardiovasculares , Madrid , Spain
| | | | - Daniel Horrillo
- Departamento de Ciencias Básicas de la Salud, Área de Bioquímica y Biología Molecular, Lipobeta group , Universidad Rey Juan Carlos , Madrid , Spain.,Laboratorio LAFEMEX, Área de Bioquímica y Biología Molecular, Departamento de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud , Universidad Rey Juan Carlos , Madrid , Spain
| | - Lourdes Hernández-Cosido
- Department of General Surgery , University Hospital of Salamanca-IBSAL , Salamanca , Spain.,Department of Surgery , University of Salamanca , Salamanca , Spain
| | - Jorge L Torres
- Department of Internal Medicine , University Hospital of Salamanca-Institute of Biomedical Research of Salamanca (IBSAL) , Salamanca , Spain.,Department of Medicine , University of Salamanca , Salamanca , Spain
| | - Eva Novoa
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS) , University of Santiago de Compostela-Instituto de Investigación Sanitaria , Santiago de Compostela , Spain.,CIBER Fisiopatologia de la Obesidad y Nutrición (CIBERobn) , Madrid , Spain
| | - Rubén Nogueiras
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS) , University of Santiago de Compostela-Instituto de Investigación Sanitaria , Santiago de Compostela , Spain.,CIBER Fisiopatologia de la Obesidad y Nutrición (CIBERobn) , Madrid , Spain
| | - Gema Medina-Gómez
- Departamento de Ciencias Básicas de la Salud, Área de Bioquímica y Biología Molecular, Lipobeta group , Universidad Rey Juan Carlos , Madrid , Spain.,Laboratorio LAFEMEX, Área de Bioquímica y Biología Molecular, Departamento de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud , Universidad Rey Juan Carlos , Madrid , Spain
| | - Miguel Marcos
- Department of Internal Medicine , University Hospital of Salamanca-Institute of Biomedical Research of Salamanca (IBSAL) , Salamanca , Spain.,Department of Medicine , University of Salamanca , Salamanca , Spain
| | - Magdalena Leiva
- Centro Nacional de Investigaciones Cardiovasculares , Madrid , Spain
| | - Guadalupe Sabio
- Centro Nacional de Investigaciones Cardiovasculares , Madrid , Spain
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17
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Siwicki M, Kubes P. Neutrophils in host defense, healing, and hypersensitivity: Dynamic cells within a dynamic host. J Allergy Clin Immunol 2023; 151:634-655. [PMID: 36642653 DOI: 10.1016/j.jaci.2022.12.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 11/11/2022] [Accepted: 12/02/2022] [Indexed: 01/15/2023]
Abstract
Neutrophils are cells of the innate immune system that are extremely abundant in vivo and respond quickly to infection, injury, and inflammation. Their constant circulation throughout the body makes them some of the first responders to infection, and indeed they play a critical role in host defense against bacterial and fungal pathogens. It is now appreciated that neutrophils also play an important role in tissue healing after injury. Their short life cycle, rapid response kinetics, and vast numbers make neutrophils a highly dynamic and potentially extremely influential cell population. It has become clear that they are highly integrated with other cells of the immune system and can thus exert critical effects on the course of an inflammatory response; they can further impact tissue homeostasis and recovery after challenge. In this review, we discuss the fundamentals of neutrophils in host defense and healing; we explore the relationship between neutrophils and the dynamic host environment, including circadian cycles and the microbiome; we survey the field of neutrophils in asthma and allergy; and we consider the question of neutrophil heterogeneity-namely, whether there could be specific subsets of neutrophils that perform different functions in vivo.
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Affiliation(s)
- Marie Siwicki
- Immunology Research Group, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada
| | - Paul Kubes
- Immunology Research Group, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada.
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18
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Nault R, Saha S, Bhattacharya S, Sinha S, Maiti T, Zacharewski T. Single-cell transcriptomics shows dose-dependent disruption of hepatic zonation by TCDD in mice. Toxicol Sci 2023; 191:135-148. [PMID: 36222588 PMCID: PMC9887712 DOI: 10.1093/toxsci/kfac109] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) dose-dependently induces the development of hepatic fat accumulation and inflammation with fibrosis in mice initially in the portal region. Conversely, differential gene and protein expression is first detected in the central region. To further investigate cell-specific and spatially resolved dose-dependent changes in gene expression elicited by TCDD, single-nuclei RNA sequencing and spatial transcriptomics were used for livers of male mice gavaged with TCDD every 4 days for 28 days. The proportion of 11 cell (sub)types across 131 613 nuclei dose-dependently changed with 68% of all portal and central hepatocyte nuclei in control mice being overtaken by macrophages following TCDD treatment. We identified 368 (portal fibroblasts) to 1339 (macrophages) differentially expressed genes. Spatial analyses revealed initial loss of portal identity that eventually spanned the entire liver lobule with increasing dose. Induction of R-spondin 3 (Rspo3) and pericentral Apc, suggested dysregulation of the Wnt/β-catenin signaling cascade in zonally resolved steatosis. Collectively, the integrated results suggest disruption of zonation contributes to the pattern of TCDD-elicited NAFLD pathologies.
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Affiliation(s)
- Rance Nault
- Department of Biochemistry & Molecular Biology, Michigan State University, East Lansing, Michigan 48824, USA
- Institute for Integrative Toxicology, Michigan State University, East Lansing, Michigan 48824, USA
| | - Satabdi Saha
- Department of Statistics and Probability, Michigan State University, East Lansing, Michigan 48824, USA
| | - Sudin Bhattacharya
- Institute for Integrative Toxicology, Michigan State University, East Lansing, Michigan 48824, USA
- Biomedical Engineering Department, Pharmacology & Toxicology, Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, Michigan 48824, USA
| | - Samiran Sinha
- Department of Statistics, Texas A&M University, College Station, Texas 77840, USA
| | - Tapabrata Maiti
- Department of Statistics and Probability, Michigan State University, East Lansing, Michigan 48824, USA
| | - Tim Zacharewski
- Department of Biochemistry & Molecular Biology, Michigan State University, East Lansing, Michigan 48824, USA
- Institute for Integrative Toxicology, Michigan State University, East Lansing, Michigan 48824, USA
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19
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Jerigova V, Zeman M, Okuliarova M. Circadian Disruption and Consequences on Innate Immunity and Inflammatory Response. Int J Mol Sci 2022; 23:ijms232213722. [PMID: 36430199 PMCID: PMC9690954 DOI: 10.3390/ijms232213722] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 10/28/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022] Open
Abstract
Circadian rhythms control almost all aspects of physiology and behavior, allowing temporal synchrony of these processes between each other, as well as with the external environment. In the immune system, daily rhythms of leukocyte functions can determine the strength of the immune response, thereby regulating the efficiency of defense mechanisms to cope with infections or tissue injury. The natural light/dark cycle is the prominent synchronizing agent perceived by the circadian clock, but this role of light is highly compromised by irregular working schedules and unintentional exposure to artificial light at night (ALAN). The primary concern is disrupted circadian control of important physiological processes, underlying potential links to adverse health effects. Here, we first discuss the immune consequences of genetic circadian disruption induced by mutation or deletion of specific clock genes. Next, we evaluate experimental research into the effects of disruptive light/dark regimes, particularly light-phase shifts, dim ALAN, and constant light on the innate immune mechanisms under steady state and acute inflammation, and in the pathogenesis of common lifestyle diseases. We suggest that a better understanding of the mechanisms by which circadian disruption influences immune status can be of importance in the search for strategies to minimize the negative consequences of chronodisruption on health.
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20
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Coulibaly AP. Neutrophil modulation of behavior and cognition in health and disease: The unexplored role of an innate immune cell. Immunol Rev 2022; 311:177-186. [PMID: 35924463 PMCID: PMC9804154 DOI: 10.1111/imr.13123] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Behavior and cognition are multifaceted processes influenced by genetics, synaptic plasticity, and neuronal connectivity. Recent reports have demonstrated that peripheral inflammation and peripheral immune cells play important roles in the preservation and deterioration of behavior/cognition under various conditions. Indeed, several studies show that the activity of peripheral immune cells can be critical for normal cognitive function. Neutrophils are the most abundant immune cells in the mammalian system. Their activation is critical to the initiation of the inflammatory process and critical for wound healing. Neutrophils are the first cells to be activated and recruited to the central nervous system in both injury and disease. However, our understanding of the role these cells play in behavior and cognition is limited. The present review will summarize what is currently known about the effect the activation of these cells has on various behaviors and cognitive processes.
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Affiliation(s)
- Aminata P. Coulibaly
- Department of NeuroscienceRockefeller Neuroscience InstituteWest Virginia UniversityMorgantownWest VirginiaUSA
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21
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Manella G, Ezagouri S, Champigneulle B, Gaucher J, Mendelson M, Lemarie E, Stauffer E, Pichon A, Howe CA, Doutreleau S, Golik M, Verges S, Asher G. The human blood transcriptome exhibits time-of-day-dependent response to hypoxia: Lessons from the highest city in the world. Cell Rep 2022; 40:111213. [PMID: 35977481 PMCID: PMC9396531 DOI: 10.1016/j.celrep.2022.111213] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 05/27/2022] [Accepted: 07/22/2022] [Indexed: 11/16/2022] Open
Abstract
High altitude exposes humans to hypobaric hypoxia, which induces various physiological and molecular changes. Recent studies point toward interaction between circadian rhythms and the hypoxic response, yet their human relevance is lacking. Here, we examine the effect of different high altitudes in conjunction with time of day on human whole-blood transcriptome upon an expedition to the highest city in the world, La Rinconada, Peru, which is 5,100 m above sea level. We find that high altitude vastly affects the blood transcriptome and, unexpectedly, does not necessarily follow a monotonic response to altitude elevation. Importantly, we observe daily variance in gene expression, especially immune-related genes, which is largely altitude dependent. Moreover, using a digital cytometry approach, we estimate relative changes in abundance of different cell types and find that the response of several immune cell types is time- and altitude dependent. Taken together, our data provide evidence for interaction between the transcriptional response to hypoxia and the time of day in humans. Low oxygen availability upon high altitude vastly affects human blood transcriptome The transcriptomic changes upon altitude elevation are not necessarily monotonic The daily variance in gene expression is dependent on altitude The response of several immune cell types is time- and altitude dependent
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Affiliation(s)
- Gal Manella
- Department of Biomolecular Sciences, Weizmann Institute of Science, 7610001 Rehovot, Israel
| | - Saar Ezagouri
- Department of Biomolecular Sciences, Weizmann Institute of Science, 7610001 Rehovot, Israel
| | - Benoit Champigneulle
- HP2 Laboratory, INSERM U1300, Grenoble Alpes University, CHU Grenoble Alpes, Grenoble, France
| | - Jonathan Gaucher
- HP2 Laboratory, INSERM U1300, Grenoble Alpes University, CHU Grenoble Alpes, Grenoble, France
| | - Monique Mendelson
- HP2 Laboratory, INSERM U1300, Grenoble Alpes University, CHU Grenoble Alpes, Grenoble, France
| | - Emeline Lemarie
- HP2 Laboratory, INSERM U1300, Grenoble Alpes University, CHU Grenoble Alpes, Grenoble, France
| | - Emeric Stauffer
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team "Biologie vasculaire et du globule rouge", Université Claude Bernard Lyon 1, Université de Lyon, France; Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France
| | - Aurélien Pichon
- Laboratoire MOVE, STAPS, Université de Poitiers, Poitiers, France
| | - Connor A Howe
- Centre for Heart, Lung and Vascular Health, School of Health and Exercise Sciences, University of British Columbia - Okanagan, Kelowna, BC, Canada
| | - Stéphane Doutreleau
- HP2 Laboratory, INSERM U1300, Grenoble Alpes University, CHU Grenoble Alpes, Grenoble, France
| | - Marina Golik
- Department of Biomolecular Sciences, Weizmann Institute of Science, 7610001 Rehovot, Israel
| | - Samuel Verges
- HP2 Laboratory, INSERM U1300, Grenoble Alpes University, CHU Grenoble Alpes, Grenoble, France.
| | - Gad Asher
- Department of Biomolecular Sciences, Weizmann Institute of Science, 7610001 Rehovot, Israel.
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22
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Shim HB, Deniset JF, Kubes P. Neutrophils in homeostasis and tissue repair. Int Immunol 2022; 34:399-407. [PMID: 35752158 DOI: 10.1093/intimm/dxac029] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 06/25/2022] [Indexed: 11/13/2022] Open
Abstract
Neutrophils are the most abundant innate immune cell and are equipped with highly destructive molecular cargo. As such, these cells were long thought to be short-lived killer cells that unleash their full cytotoxic programs on pathogens following infection and on host bystander cells after sterile injury. However, this view of neutrophils is overly simplistic and as a result is outdated. Numerous studies now collectively highlight neutrophils as far more complex and having a host of homeostatic and tissue-reparative functions. In this review, we summarize these underappreciated roles across organs and injury models.
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Affiliation(s)
- Hanjoo Brian Shim
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada.,Calvin, Phoebe, and Joan Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada
| | - Justin F Deniset
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada.,Calvin, Phoebe, and Joan Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada.,Department of Cardiac Sciences, University of Calgary, Calgary, Alberta, Canada.,Libin Cardiovascular Institute, University of Calgary, Calgary, Alberta, Canada
| | - Paul Kubes
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada.,Calvin, Phoebe, and Joan Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada
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Abstract
The immune system is highly time-of-day dependent. Pioneering studies in the 1960s were the first to identify immune responses to be under a circadian control. Only in the last decade, however, have the molecular factors governing circadian immune rhythms been identified. These studies have revealed a highly complex picture of the interconnectivity of rhythmicity within immune cells with that of their environment. Here, we provide a global overview of the circadian immune system, focusing on recent advances in the rapidly expanding field of circadian immunology.
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Affiliation(s)
- Chen Wang
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Lydia Kay Lutes
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Coline Barnoud
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Christoph Scheiermann
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland.,Biomedical Center (BMC), Institute for Cardiovascular Physiology and Pathophysiology, Walter Brendel Center for Experimental Medicine (WBex), Ludwig-Maximilians-Universität München, Planegg-Martinsried, Germany
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24
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Christakoudi S, Riboli E, Evangelou E, Tsilidis KK. Associations of body shape index (ABSI) and hip index with liver, metabolic, and inflammatory biomarkers in the UK Biobank cohort. Sci Rep 2022; 12:8812. [PMID: 35614088 PMCID: PMC9133113 DOI: 10.1038/s41598-022-12284-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 05/05/2022] [Indexed: 12/13/2022] Open
Abstract
Associations of liver, metabolic, and inflammatory biomarkers in blood with body shape are unclear, because waist circumference (WC) and hip circumference (HC) are dependent on overall body size, resulting in bias. We have used the allometric "a body shape index" (ABSI = WC(mm)[Formula: see text]Weight(kg)-2/3[Formula: see text]Height(m)5/6) and hip index (HIwomen = HC(cm)[Formula: see text]Weight(kg)-0.482[Formula: see text]Height(cm)0.310, HImen = HC(cm)[Formula: see text]Weight(kg)-2/5[Formula: see text]Height(cm)1/5), which are independent of body mass index (BMI) by design, in multivariable linear regression models for 121,879 UK Biobank men and 135,559 women. Glucose, glycated haemoglobin (HbA1c), triglycerides, low-density-lipoprotein cholesterol, apolipoprotein-B, alanine aminotransferase (ALT), gamma-glutamyltransferase, and lymphocytes were associated positively with BMI and ABSI but inversely with HI. High-density-lipoprotein cholesterol and apolipoprotein-A1 were associated inversely with BMI and ABSI but positively with HI. Lipid-related biomarkers and ALT were associated only with HI in obese men. C-reactive protein, neutrophils, monocytes, and alkaline phosphatase were associated positively, while bilirubin was associated inversely, with BMI and ABSI but not with HI. Associations were consistent within the clinical reference ranges but were lost or changed direction for low or high biomarker levels. Our study confirms associations with waist and hip size, independent of BMI, for metabolic biomarkers but only with waist size for inflammatory biomarkers, suggesting different contribution of the mechanistic pathways related to body shape.
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Affiliation(s)
- Sofia Christakoudi
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, St Mary's Campus, Norfolk place, London, W2 1PG, UK. .,Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, London, UK.
| | - Elio Riboli
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, St Mary's Campus, Norfolk place, London, W2 1PG, UK
| | - Evangelos Evangelou
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, St Mary's Campus, Norfolk place, London, W2 1PG, UK.,Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece
| | - Konstantinos K Tsilidis
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, St Mary's Campus, Norfolk place, London, W2 1PG, UK.,Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece
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25
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Herrero-Cervera A, Soehnlein O, Kenne E. Neutrophils in chronic inflammatory diseases. Cell Mol Immunol 2022; 19:177-191. [PMID: 35039631 PMCID: PMC8803838 DOI: 10.1038/s41423-021-00832-3] [Citation(s) in RCA: 204] [Impact Index Per Article: 102.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 12/13/2021] [Indexed: 12/12/2022] Open
Abstract
Chronic inflammation is a component of many disease conditions that affect a large group of individuals worldwide. Chronic inflammation is characterized by persistent, low-grade inflammation and is increased in the aging population. Neutrophils are normally the first responders to acute inflammation and contribute to the resolution of inflammation. However, in chronic inflammation, the role of neutrophils is less well understood and has been described as either beneficial or detrimental, causing tissue damage and enhancing the immune response. Emerging evidence suggests that neutrophils are important players in several chronic diseases, such as atherosclerosis, diabetes mellitus, nonalcoholic fatty liver disease and autoimmune disorders. This review will highlight the interaction of neutrophils with other cells in the context of chronic inflammation, the contribution of neutrophils to selected chronic inflammatory diseases, and possible future therapeutic strategies.
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Affiliation(s)
- Andrea Herrero-Cervera
- Institute for Experimental Pathology, Center for Molecular Biology of Inflammation, Westfälische Wilhelms-Universität Münster, Münster, Germany.
| | - Oliver Soehnlein
- Institute for Experimental Pathology, Center for Molecular Biology of Inflammation, Westfälische Wilhelms-Universität Münster, Münster, Germany
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Ellinor Kenne
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
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Hidalgo A, Casanova-Acebes M. Dimensions of neutrophil life and fate. Semin Immunol 2021; 57:101506. [PMID: 34711490 DOI: 10.1016/j.smim.2021.101506] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/09/2021] [Accepted: 10/14/2021] [Indexed: 01/03/2023]
Abstract
The earliest reported observations on neutrophils date from 1879 to 1880, when Paul Ehrlich utilized a set of coal tar dyes to interrogate differential staining properties of the granules from white blood cells. While acidic and basic dyes identified eosinophils and basophils respectively, neutrophils were revealed by neutral dyes. Unknowingly, his work staining blood films set the stage for one of the most exciting features of immune cells discovered in the last decade, myeloid heterogeneity. Since then, advances in live imaging and high-resolution sequencing technologies have revolutionized how we analyze and envision those cells that Ehrich fixed in blood smears. Neutrophil plasticity and heterotypic interactions with immune and non-immune compartments are increasingly appreciated as an important part of their biology. In this review, we highlight early and recent work that will help the reader to appreciate our current view of the neutrophil life cycle -from maturation to elimination-, and how neutrophils behave and dynamically modulate tissue immunity, both in steady-state and in disease.
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Affiliation(s)
- Andrés Hidalgo
- Area of Cell and Developmental Biology, Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain
| | - María Casanova-Acebes
- Cancer Immunity Group, Molecular Oncology Program, Centro Nacional de Investigaciones Oncologicas Carlos III, Madrid, Spain.
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27
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Circadian Clock and Liver Cancer. Cancers (Basel) 2021; 13:cancers13143631. [PMID: 34298842 PMCID: PMC8306099 DOI: 10.3390/cancers13143631] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 07/06/2021] [Accepted: 07/15/2021] [Indexed: 12/14/2022] Open
Abstract
Simple Summary The circadian coordination of metabolism is tightly regulated, and its alteration can trigger several diseases, including liver steatohepatitis and cancer. Many factors (such as diet and jet lag) shape both the liver molecular clock and the circadian transcription/translation of genes related to different metabolic pathways. Here, we summarize our current knowledge about the molecular mechanisms that control this circadian regulation of liver metabolism. Abstract Circadian clocks control several homeostatic processes in mammals through internal molecular mechanisms. Chronic perturbation of circadian rhythms is associated with metabolic diseases and increased cancer risk, including liver cancer. The hepatic physiology follows a daily rhythm, driven by clock genes that control the expression of several proteins involved in distinct metabolic pathways. Alteration of the liver clock results in metabolic disorders, such as non-alcoholic fatty liver diseases (NAFLD) and impaired glucose metabolism, that can trigger the activation of oncogenic pathways, inducing spontaneous hepatocarcinoma (HCC). In this review, we provide an overview of the role of the liver clock in the metabolic and oncogenic changes that lead to HCC and discuss new potentially useful targets for prevention and management of HCC.
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Matthews DR, Li H, Zhou J, Li Q, Glaser S, Francis H, Alpini G, Wu C. Methionine- and Choline-Deficient Diet-Induced Nonalcoholic Steatohepatitis Is Associated with Increased Intestinal Inflammation. THE AMERICAN JOURNAL OF PATHOLOGY 2021; 191:1743-1753. [PMID: 34242656 DOI: 10.1016/j.ajpath.2021.06.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 06/14/2021] [Accepted: 06/24/2021] [Indexed: 12/16/2022]
Abstract
Inflammation drives the development and progression of nonalcoholic steatohepatitis (NASH). The current study examined changes in intestinal inflammation during NASH. In male C57BL/6J mice, feeding a methionine- and choline-deficient diet (MCD) resulted in severe hepatic steatosis and inflammation relative to feeding a chow diet (CD). Also, MCD-fed mice exhibited characteristics of mucosal and submucosal inflammatory responses and increased CD68+ cells compared with mice fed a CD. Moreover, intestinal phosphorylation states of c-Jun N-terminal protein kinase p46 and mRNA levels of IL-1B, IL-6, tumor necrosis factor alpha, and monocyte chemoattractant protein-1 were significantly higher and intestinal mRNA levels of IL-4 and IL-13 significantly lower in MCD-fed mice compared with their respective levels in CD mice. Surprisingly, upon treatment with MCD-mimicking media, the proinflammatory responses in cultured intestinal epithelial cells (CMT-93 cells, a transformed epithelial cell line) did not differ significantly from those in intestinal epithelial cells treated with control media. In contrast, in RAW264.7 cells (transformed macrophages), MCD-mimicking media significantly increased the phosphorylation states of c-Jun N-terminal protein kinase p46 and mitogen-activated protein kinases p38 and mRNA levels of IL-1B, IL-6, IL-10, and tumor necrosis factor alpha under either basal or lipopolysaccharide-stimulated conditions. Collectively, these results suggest that increased intestinal inflammation is associated with NASH phenotype. In addition, elevated proinflammatory responses in macrophages likely contribute to, in large part, increased intestinal inflammation in NASH.
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Affiliation(s)
| | - Honggui Li
- Department of Nutrition, Texas A&M University, College Station, Texas
| | - Jing Zhou
- Department of Nutrition, Texas A&M University, College Station, Texas
| | - Qingsheng Li
- Nebraska Center for Virology, School of Biological Sciences, University of Nebraska-Lincoln, Lincoln, Nebraska
| | - Shannon Glaser
- Medical Physiology, Texas A&M University College of Medicine, Bryan, Texas
| | - Heather Francis
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana; Research, Richard L. Roudebush VA Medical Center, Indianapolis, Indiana
| | - Gianfranco Alpini
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana; Research, Richard L. Roudebush VA Medical Center, Indianapolis, Indiana
| | - Chaodong Wu
- Department of Nutrition, Texas A&M University, College Station, Texas.
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de Assis LVM, Oster H. The circadian clock and metabolic homeostasis: entangled networks. Cell Mol Life Sci 2021; 78:4563-4587. [PMID: 33683376 PMCID: PMC8195959 DOI: 10.1007/s00018-021-03800-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/28/2021] [Accepted: 02/23/2021] [Indexed: 12/12/2022]
Abstract
The circadian clock exerts an important role in systemic homeostasis as it acts a keeper of time for the organism. The synchrony between the daily challenges imposed by the environment needs to be aligned with biological processes and with the internal circadian clock. In this review, it is provided an in-depth view of the molecular functioning of the circadian molecular clock, how this system is organized, and how central and peripheral clocks communicate with each other. In this sense, we provide an overview of the neuro-hormonal factors controlled by the central clock and how they affect peripheral tissues. We also evaluate signals released by peripheral organs and their effects in the central clock and other brain areas. Additionally, we evaluate a possible communication between peripheral tissues as a novel layer of circadian organization by reviewing recent studies in the literature. In the last section, we analyze how the circadian clock can modulate intracellular and tissue-dependent processes of metabolic organs. Taken altogether, the goal of this review is to provide a systemic and integrative view of the molecular clock function and organization with an emphasis in metabolic tissues.
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Affiliation(s)
| | - Henrik Oster
- Center of Brain, Behavior and Metabolism, University of Lübeck, Institute of Neurobiology, Marie Curie Street, 23562, Lübeck, Germany.
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Cicuéndez B, Ruiz-Garrido I, Mora A, Sabio G. Stress kinases in the development of liver steatosis and hepatocellular carcinoma. Mol Metab 2021; 50:101190. [PMID: 33588102 PMCID: PMC8324677 DOI: 10.1016/j.molmet.2021.101190] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 12/31/2020] [Accepted: 02/09/2021] [Indexed: 02/07/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is an important component of metabolic syndrome and one of the most prevalent liver diseases worldwide. This disorder is closely linked to hepatic insulin resistance, lipotoxicity, and inflammation. Although the mechanisms that cause steatosis and chronic liver injury in NAFLD remain unclear, a key component of this process is the activation of stress-activated kinases (SAPKs), including p38 and JNK in the liver and immune system. This review summarizes findings which indicate that the dysregulation of stress kinases plays a fundamental role in the development of steatosis and are important players in inducing liver fibrosis. To avoid the development of steatohepatitis and liver cancer, SAPK activity must be tightly regulated not only in the hepatocytes but also in other tissues, including cells of the immune system. Possible cellular mechanisms of SAPK actions are discussed. Hepatic JNK triggers steatosis and insulin resistance, decreasing lipid oxidation and ketogenesis in HFD-fed mice. Decreased liver expression of p38α/β in HFD increases lipogenesis. Hepatic p38γ/δ drive insulin resistance and inhibit autophagy, which may lead to steatosis. Macrophage p38α/β promote cytokine production and M1 polarization, leading to lipid accumulation in hepatocytes. Myeloid p38γ/δ contribute to cytokine production and neutrophil migration, protecting against steatosis, diabetes and NAFLD. JNK1 and p38γ induce HCC while p38α blocks it. However, deletion of hepatic JNK1/2 induces cholangiocarcinoma. SAPK are potential therapeutic target for metabolic disorders, steatohepatitis and liver cancer.
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Affiliation(s)
- Beatriz Cicuéndez
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain
| | - Irene Ruiz-Garrido
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain
| | - Alfonso Mora
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain.
| | - Guadalupe Sabio
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain.
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