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Méndez N, Corvalan F, Halabi D, Ehrenfeld P, Maldonado R, Vergara K, Seron-Ferre M, Torres-Farfan C. From gestational chronodisruption to noncommunicable diseases: Pathophysiological mechanisms of programming of adult diseases, and the potential therapeutic role of melatonin. J Pineal Res 2023; 75:e12908. [PMID: 37650128 DOI: 10.1111/jpi.12908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/19/2023] [Accepted: 08/18/2023] [Indexed: 09/01/2023]
Abstract
During gestation, the developing fetus relies on precise maternal circadian signals for optimal growth and preparation for extrauterine life. These signals regulate the daily delivery of oxygen, nutrients, hormones, and other biophysical factors while synchronizing fetal rhythms with the external photoperiod. However, modern lifestyle factors such as light pollution and shift work can induce gestational chronodisruption, leading to the desynchronization of maternal and fetal circadian rhythms. Such disruptions have been associated with adverse effects on cardiovascular, neurodevelopmental, metabolic, and endocrine functions in the fetus, increasing the susceptibility to noncommunicable diseases (NCDs) in adult life. This aligns with the Developmental Origins of Health and Disease theory, suggesting that early-life exposures can significantly influence health outcomes later in life. The consequences of gestational chronodisruption also extend into adulthood. Environmental factors like diet and stress can exacerbate the adverse effects of these disruptions, underscoring the importance of maintaining a healthy circadian rhythm across the lifespan to prevent NCDs and mitigate the impact of gestational chronodisruption on aging. Research efforts are currently aimed at identifying potential interventions to prevent or mitigate the effects of gestational chronodisruption. Melatonin supplementation during pregnancy emerges as a promising intervention, although further investigation is required to fully understand the precise mechanisms involved and to develop effective strategies for promoting health and preventing NCDs in individuals affected by gestational chronodisruption.
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Affiliation(s)
- Natalia Méndez
- Laboratorio de Cronobiología del Desarrollo, Instituto de Anatomía, Histología y Patología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
| | - Fernando Corvalan
- Laboratorio de Cronobiología del Desarrollo, Instituto de Anatomía, Histología y Patología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
| | - Diego Halabi
- Laboratorio de Cronobiología del Desarrollo, Instituto de Anatomía, Histología y Patología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
- School of Dentistry, Facultad de Medicina, Universidad Austral de Chile, Santiago, Chile
| | - Pamela Ehrenfeld
- Laboratorio de Cronobiología del Desarrollo, Instituto de Anatomía, Histología y Patología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
- School of Dentistry, Facultad de Medicina, Universidad Austral de Chile, Santiago, Chile
- Centro Interdisciplinario de Estudios del Sistema Nervioso (CISNe), Universidad Austral de Chile, Valdivia, Chile
| | - Rodrigo Maldonado
- Laboratorio de Cronobiología del Desarrollo, Instituto de Anatomía, Histología y Patología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
- School of Dentistry, Facultad de Medicina, Universidad Austral de Chile, Santiago, Chile
- Centro Interdisciplinario de Estudios del Sistema Nervioso (CISNe), Universidad Austral de Chile, Valdivia, Chile
| | - Karina Vergara
- Laboratorio de Cronobiología del Desarrollo, Instituto de Anatomía, Histología y Patología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
| | - Maria Seron-Ferre
- Laboratorio de Cronobiología del Desarrollo, Instituto de Anatomía, Histología y Patología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
- School of Dentistry, Facultad de Medicina, Universidad Austral de Chile, Santiago, Chile
- Centro Interdisciplinario de Estudios del Sistema Nervioso (CISNe), Universidad Austral de Chile, Valdivia, Chile
- Programa de Fisiopatología, ICBM, Facultad de Medicina, Universidad de Chile, Santiago de Chile
| | - Claudia Torres-Farfan
- Laboratorio de Cronobiología del Desarrollo, Instituto de Anatomía, Histología y Patología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
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2
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Iascone DM, Zhang X, Bafford P, Mesaros C, Sela Y, Hofbauer S, Zhang SL, Cook K, Pivarshev P, Stanger BZ, Anderson S, Dang CV, Sehgal A. Hypermetabolic state is associated with circadian rhythm disruption in mouse and human cancer cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.08.566310. [PMID: 38014131 PMCID: PMC10680562 DOI: 10.1101/2023.11.08.566310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Crosstalk between cellular metabolism and circadian rhythms is a fundamental building block of multicellular life, and disruption of this reciprocal communication could be relevant to degenerative disease, including cancer. Here, we investigated whether maintenance of circadian rhythms depends upon specific metabolic pathways, particularly in the context of cancer. We found that in adult mouse fibroblasts, ATP levels were a major contributor to overall levels of a clock gene luciferase reporter, although not necessarily to the strength of circadian cycling. In contrast, we identified significant metabolic control of circadian function in an in vitro mouse model of pancreatic adenocarcinoma. Metabolic profiling of a library of congenic tumor cell clones revealed significant differences in levels of lactate, pyruvate, ATP, and other crucial metabolites that we used to identify candidate clones with which to generate circadian reporter lines. Despite the shared genetic background of the clones, we observed diverse circadian profiles among these lines that varied with their metabolic phenotype: the most hypometabolic line had the strongest circadian rhythms while the most hypermetabolic line had the weakest rhythms. Treatment of these tumor cell lines with bezafibrate, a peroxisome proliferator-activated receptor (PPAR) agonist shown to increase OxPhos, decreased the amplitude of circadian oscillation in a subset of tumor cell lines. Strikingly, treatment with the Complex I antagonist rotenone enhanced circadian rhythms only in the tumor cell line in which glycolysis was also low, thereby establishing a hypometabolic state. We further analyzed metabolic and circadian phenotypes across a panel of human patient-derived melanoma cell lines and observed a significant negative association between metabolic activity and circadian cycling strength. Together, these findings suggest that metabolic heterogeneity in cancer directly contributes to circadian function, and that high levels of glycolysis or OxPhos independently disrupt circadian rhythms in these cells.
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Affiliation(s)
- Daniel Maxim Iascone
- Howard Hughes Medical Institute, Chronobiology and Sleep Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Xue Zhang
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA 19104
- Wistar Institute, Philadelphia, PA, USA
- Present address: Johns Hopkins University, Baltimore, MD, USA
| | - Patricia Bafford
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA 19104
- Wistar Institute, Philadelphia, PA, USA
| | - Clementina Mesaros
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA
| | - Yogev Sela
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA 19104
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Samuel Hofbauer
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA
| | - Shirley L Zhang
- Howard Hughes Medical Institute, Chronobiology and Sleep Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Present address: Emory University, Atlanta, GA, USA
| | - Kieona Cook
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Department of Child and Adolescent Psychiatry, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Pavel Pivarshev
- Howard Hughes Medical Institute, Chronobiology and Sleep Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Ben Z Stanger
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA 19104
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Stewart Anderson
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Department of Child and Adolescent Psychiatry, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Chi V Dang
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA 19104
- Wistar Institute, Philadelphia, PA, USA
- Present address: Johns Hopkins University, Baltimore, MD, USA
| | - Amita Sehgal
- Howard Hughes Medical Institute, Chronobiology and Sleep Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
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3
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Ahmadi SA, Tranmer JE, Ritonja JA, Flaten L, Topouza DG, Duan QL, Durocher F, Aronson KJ, Bhatti P. DNA methylation of circadian genes and markers of cardiometabolic risk in female hospital workers: An exploratory study. Chronobiol Int 2022; 39:735-746. [PMID: 35109725 DOI: 10.1080/07420528.2022.2032729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Night shift work has been linked to increased risk of cardiovascular disease (CVD); however, the underlying mechanisms remain unclear. A compelling yet understudied mechanism involves differential DNA methylation of circadian genes. To investigate the relevance of this mechanism, we conducted an exploratory cross-sectional study of 74 female hospital personnel (38 day workers, 36 night shift workers). Sociodemographic, lifestyle, and health characteristics as well as shift work status and history were determined through self-report. Fasting blood samples were collected to measure markers of cardiometabolic risk and DNA was extracted to measure DNA methylation of 1150 cytosine-guanine (CpG) sites across 22 circadian genes. Associations between methylation levels at individual CpG sites (β-values) and markers of cardiometabolic risk were analyzed while considering effect modification by shift work status. The false discovery rate was applied to account for multiple comparisons (q ≤ 0.20). Two CpG sites [cg06758649 (CRY1) and cg06899802 (CSNK1A1)] were differentially associated with waist circumference and body mass index by shift work status, and eight CpG sites [cg26103512 (CSNK1D), cg03941313 (CSNK1E), cg18217763 (CSNK1E), cg16682686 (DEC1), cg12061096 (RORA), cg10133825 (RORA), cg19652148 (RORA), and cg22904654 (RORA)] were differentially associated with LDL cholesterol concentration by shift work status (all q ≤ 0.20). Our findings suggest that the relationship between DNA methylation of circadian genes and cardiometabolic risk differs by day and night shift worker status, which may contribute to mechanisms of increased risk of CVD observed among night shift workers.
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Affiliation(s)
- Salman A Ahmadi
- Department of Public Health Sciences, Queen's University, Kingston, ON, Canada
| | - Joan E Tranmer
- Department of Public Health Sciences, Queen's University, Kingston, ON, Canada.,School of Nursing, Queen's University, Kingston, ON, Canada
| | - Jennifer A Ritonja
- Department of Public Health Sciences, Queen's University, Kingston, ON, Canada
| | - Lisa Flaten
- Department of Public Health Sciences, Queen's University, Kingston, ON, Canada
| | - Danai G Topouza
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Qing Ling Duan
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada.,School of Computing, Queen's University, Kingston, ON, Canada
| | - Francine Durocher
- Chu de Québec-Université Laval Research Center (Endocrinology and Nephrology Division), Université Laval Cancer Research Center and Department of Molecular Medicine, Faculty of Medicine, Université Laval, Quebec City, QC, Canada
| | - Kristan J Aronson
- Department of Public Health Sciences, Queen's University, Kingston, ON, Canada.,Division of Cancer Care and Epidemiology, Cancer Research Institute, Queen's University, Kingston, ON, Canada
| | - Parveen Bhatti
- Cancer Control Research, BC Cancer, Vancouver, BC, Canada
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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: 7.0] [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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Bellet MM, Eckel-Mahan K, Romani L. Editorial: Circadian Rhythm: From Microbes to Hosts. Front Cell Infect Microbiol 2020; 10:613181. [PMID: 33224903 PMCID: PMC7667191 DOI: 10.3389/fcimb.2020.613181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 10/13/2020] [Indexed: 11/29/2022] Open
Affiliation(s)
| | - Kristin Eckel-Mahan
- Institute of Molecular Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Luigina Romani
- Department of Experimental Medicine, University of Perugia, Perugia, Italy
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6
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Medina MÁ. Metabolic Reprogramming is a Hallmark of Metabolism Itself. Bioessays 2020; 42:e2000058. [PMID: 32939776 DOI: 10.1002/bies.202000058] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 07/13/2020] [Indexed: 12/16/2022]
Abstract
The reprogramming of metabolism has been identified as one of the hallmarks of cancer. It is becoming more and more frequent to connect other diseases with metabolic reprogramming. This article aims to argue that metabolic reprogramming is not driven by disease but instead is the main hallmark of metabolism, based on its dynamic behavior that allows it to continuously adapt to changes in the internal and external conditions.
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Affiliation(s)
- Miguel Ángel Medina
- Andalucía Tech, Facultad de Ciencias, Departamento de Biología Molecular y Bioquímica, and IBIMA (Biomedical Research Institute of Málaga), Universidad de Málaga, Málaga, E-29071, Spain.,CIBER de Enfermedades Raras (CIBERER), Málaga, E-29071, Spain
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7
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Kulikova VA, Nikiforov AA. Role of NUDIX Hydrolases in NAD and ADP-Ribose Metabolism in Mammals. BIOCHEMISTRY. BIOKHIMIIA 2020; 85:883-894. [PMID: 33045949 DOI: 10.1134/s0006297920080040] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 06/21/2020] [Accepted: 06/22/2020] [Indexed: 12/20/2022]
Abstract
Proteins of the NUDIX hydrolase (NUDT) superfamily that cleave organic pyrophosphates are found in all classes of organisms, from archaea and bacteria to higher eukaryotes. In mammals, NUDTs exhibit a wide range of functions and are characterized by different substrate specificity and intracellular localization. They control the concentration of various metabolites in the cell, including key regulatory molecules such as nicotinamide adenine dinucleotide (NAD), ADP-ribose, and their derivatives. In this review, we discuss the role of NUDT proteins in the metabolism of NAD and ADP-ribose in human and animal cells.
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Affiliation(s)
- V A Kulikova
- Peter the Great St. Petersburg Polytechnic University, Saint Petersburg, 195251, Russia.
- Institute of Cytology, Russian Academy of Sciences, Saint Petersburg, 194064, Russia
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, Saint Petersburg, 194223, Russia
| | - A A Nikiforov
- Institute of Cytology, Russian Academy of Sciences, Saint Petersburg, 194064, Russia
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8
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Pourcet B, Duez H. Circadian Control of Inflammasome Pathways: Implications for Circadian Medicine. Front Immunol 2020; 11:1630. [PMID: 32849554 PMCID: PMC7410924 DOI: 10.3389/fimmu.2020.01630] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 06/18/2020] [Indexed: 12/25/2022] Open
Abstract
The innate immune system senses “non-self” molecules derived from pathogens (PAMPs) as well as endogenous damage-associated molecular patterns (DAMPs) and promotes sterile inflammation that is necessary for injury resolution, tissue repair/regeneration, and homeostasis. The NOD-, LRR- and pyrin domain containing protein 3 (NLRP3) is an innate immune signaling complex whose assembly and activation can be triggered by various signals ranging from microbial molecules to ATP or the abnormal accumulation of crystals, thus leading to IL-1β and IL-18 maturation and secretion. Deregulation of the NLRP3 signaling cascade is associated with numerous inflammatory and metabolic diseases including rheumatoid arthritis, gout, atherosclerosis or type 2 diabetes. Interestingly, the circadian clock controls numerous inflammatory processes while clock disruption leads to or exacerbates inflammation. Recently, the biological clock was demonstrated to control NLRP3 expression and activation, thereby controlling IL-1β and IL-18 secretion in diverse tissues and immune cells, particularly macrophages. Circadian oscillations of NLRP3 signaling is lost in models of clock disruption, contributing to the development of peritonitis, hepatitis, or colitis. Sterile inflammation is also an important driver of atherosclerosis, and targeting the production of IL-1β has proven to be a promising approach for atherosclerosis management in humans. Interestingly, the extent of injury after fulminant hepatitis or myocardial infarction is time-of-day dependent under the control of the clock, and chronotherapy represents a promising approach for the management of pathologies involving deregulation of NLRP3 signaling.
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Affiliation(s)
- Benoit Pourcet
- University of Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Hélène Duez
- University of Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
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9
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Porcelli S, Calabrò M, Crisafulli C, Politis A, Liappas I, Albani D, Raimondi I, Forloni G, Benedetti F, Papadimitriou GN, Serretti A. Alzheimer's Disease and Neurotransmission Gene Variants: Focus on Their Effects on Psychiatric Comorbidities and Inflammatory Parameters. Neuropsychobiology 2019; 78:79-85. [PMID: 31096213 DOI: 10.1159/000497164] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 01/19/2019] [Indexed: 11/19/2022]
Abstract
BACKGROUND Alzheimer's disease (AD) is a neurodegenerative disorder accounting for 60-70% of dementia cases. Genetic origin accounts for 49-79% of disease risk. This paper aims to investigate the association of 17 polymorphisms within 7 genes involved in neurotransmission (COMT, HTR2A, PPP3CC, RORA, SIGMAR1, SIRT1, and SORBS3) and AD. METHODS A Greek and an Italian sample were investigated, for a total of 156 AD subjects and 301 healthy controls. Exploratory analyses on psychosis and depression comorbidities were performed, as well as on other available clinical and serological parameters. RESULTS AD was associated with rs4680 within the COMT gene in the total sample. Trends of association were found in the 2 subsamples. Some nominal associations were found for the depressive phenotype. rs10997871 and rs10997875 within SIRT1 were nominally associated with depression in the total sample and in the Greek subsample. rs174696 within COMT was associated with depression comorbidity in the Italian subsample. DISCUSSION Our data support the role of COMT, and particularly of rs4680, in the pathogenesis of AD. Furthermore, the SIRT1 gene seems to modulate depressive symptomatology in the AD population.
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Affiliation(s)
- Stefano Porcelli
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy,
| | - Marco Calabrò
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Concetta Crisafulli
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Antonis Politis
- 1st Department of Psychiatry, University of Athens Medical School, Eginition Hospital, Athens, Greece
| | - Ioannis Liappas
- 1st Department of Psychiatry, University of Athens Medical School, Eginition Hospital, Athens, Greece
| | - Diego Albani
- IRCCS - Istituto di Ricerche Farmacologiche "Mario Negri", Department of Neuroscience, Milan, Italy
| | - Ilaria Raimondi
- IRCCS - Istituto di Ricerche Farmacologiche "Mario Negri", Department of Neuroscience, Milan, Italy
| | - Gianluigi Forloni
- IRCCS - Istituto di Ricerche Farmacologiche "Mario Negri", Department of Neuroscience, Milan, Italy
| | - Francesco Benedetti
- Psychiatry & Clinical Psychobiology Unit, Division of Neuroscience, San Raffaele Scientific Institute, Milan, Italy
| | - George N Papadimitriou
- 1st Department of Psychiatry, University of Athens Medical School, Eginition Hospital, Athens, Greece
| | - Alessandro Serretti
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
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10
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Ames MK, Atkins CE, Pitt B. The renin-angiotensin-aldosterone system and its suppression. J Vet Intern Med 2019; 33:363-382. [PMID: 30806496 PMCID: PMC6430926 DOI: 10.1111/jvim.15454] [Citation(s) in RCA: 268] [Impact Index Per Article: 44.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Accepted: 01/30/2019] [Indexed: 12/11/2022] Open
Abstract
Chronic activation of the renin-angiotensin-aldosterone system (RAAS) promotes and perpetuates the syndromes of congestive heart failure, systemic hypertension, and chronic kidney disease. Excessive circulating and tissue angiotensin II (AngII) and aldosterone levels lead to a pro-fibrotic, -inflammatory, and -hypertrophic milieu that causes remodeling and dysfunction in cardiovascular and renal tissues. Understanding of the role of the RAAS in this abnormal pathologic remodeling has grown over the past few decades and numerous medical therapies aimed at suppressing the RAAS have been developed. Despite this, morbidity from these diseases remains high. Continued investigation into the complexities of the RAAS should help clinicians modulate (suppress or enhance) components of this system and improve quality of life and survival. This review focuses on updates in our understanding of the RAAS and the pathophysiology of AngII and aldosterone excess, reviewing what is known about its suppression in cardiovascular and renal diseases, especially in the cat and dog.
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Affiliation(s)
- Marisa K Ames
- Department of Clinical Sciences, College of Veterinary Medicine, Colorado State University, Fort Collins, Colorado
| | - Clarke E Atkins
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina
| | - Bertram Pitt
- Department of Medicine, University of Michigan School of Medicine, Ann Arbor, Michigan
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