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Li X, Jiang X, Gao F, Zhou L, Wang G, Li B, Gu S, Huang W, Duan H. Study and evaluation of a gelatin- silver oxide nanoparticles releasing nitric oxide production of wound healing dressing for diabetic ulcer. PLoS One 2024; 19:e0298124. [PMID: 38885218 PMCID: PMC11182517 DOI: 10.1371/journal.pone.0298124] [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] [Received: 10/11/2023] [Accepted: 01/19/2024] [Indexed: 06/20/2024] Open
Abstract
This study aimed to develop a novel Gelatin silver oxide material for releasing nitric oxide bionanocomposite wound dressing with enhanced mechanical, chemical, and antibacterial properties for the treatment of diabetic wounds. The gelatin- silver oxide nanoparticles (Ag2O-NP) bio nanocomposite was prepared using chitosan and gelatin polymers incorporated with silver oxide nanoparticles through the freeze-drying method. The samples were characterized using scanning electron microscopy (SEM) and X-ray diffraction (XRD) analysis. Results showed that the Ag2O-NP nanoparticles increased porosity, decreased pore size, and improved elastic modulus. The Ag2O-NP wound dressing exhibited the most effective antibacterial properties against Staphylococcus aureus and Escherichia coli. Among the samples, the wound dressing containing silver oxide nanoparticles demonstrated superior physical and mechanical properties, with 48% porosity, a tensile strength of 3.2 MPa, and an elastic modulus of 51.7 MPa. The fabricated wound dressings had a volume ratio of empty space to total volume ranging from 40% to 60%. In parallel, considering the complications of diabetes and its impact on the vascular system, another aspect of the research focused on developing a per2mediated wound dressing capable of releasing nitric oxide gas to regenerate damaged vessels and accelerate diabetic wound healing. Chitosan, a biocompatible and biodegradable polymer, was selected as the substrate for the wound dressing, and beta-glycerophosphate (GPβ), tripolyphosphate (TPP), and per2mediated alginate (AL) were used as crosslinkers. The chitosan-alginate (CS-AL) wound dressing exhibited optimal characteristics in terms of hole count and uniformity in the scanning electron microscope test. It also demonstrated superior water absorption (3854%) and minimal air permeability. Furthermore, the CS-AL sample exhibited an 80% degradation rate after 14 days, indicating its suitability as a wound dressing. The wound dressing was loaded with S-nitrosoglutathione (GSNO) powder, and the successful release of nitric oxide gas was confirmed through the grease test, showing a peak at a wavelength of 540 nm. Subsequent investigations revealed that the treatment of human umbilical vein endothelial cells (HUVECs) with high glucose led to a decrease in the expression of PER2 and SIRT1, while the expression of PER2 increased, which may subsequently enhance the expression of SIRT1 and promote cell proliferation activity. However, upon treatment of the cells with the modified materials, an increase in the expression of PER2 and SIRT1 was observed, resulting in a partial restoration of cell proliferative activity. This comprehensive study successfully developed per2-mediated bio-nanocomposite wound dressings with improved physical, mechanical, chemical, and antibacterial properties. The incorporation of silver oxide nanoparticles enhanced the antimicrobial activity, while the released nitric oxide gas from the dressing demonstrated the ability to mitigate vascular endothelial cell damage induced by high glucose levels. These advancements show promising potential for facilitating the healing process of diabetic wounds by addressing complications associated with diabetes and enhancing overall wound healing.
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Affiliation(s)
- Xian Li
- Department of Orthopedics, Dongguan Songshan Lake Tungwah Hospital, Dongguan City, Guangdong Province, China
| | - Xin Jiang
- Department of Orthopedics, Dongguan Songshan Lake Tungwah Hospital, Dongguan City, Guangdong Province, China
| | - Fei Gao
- Department of Orthopedics, Dongguan Songshan Lake Tungwah Hospital, Dongguan City, Guangdong Province, China
| | - Lifeng Zhou
- Department of Orthopedics, Dongguan Songshan Lake Tungwah Hospital, Dongguan City, Guangdong Province, China
| | - Guosheng Wang
- Department of Orthopedics, Dongguan Songshan Lake Tungwah Hospital, Dongguan City, Guangdong Province, China
| | - Bingfa Li
- Department of Orthopedics, Dongguan Songshan Lake Tungwah Hospital, Dongguan City, Guangdong Province, China
| | - Shihao Gu
- Department of Orthopedics, Dongguan Songshan Lake Tungwah Hospital, Dongguan City, Guangdong Province, China
| | - Wei Huang
- Department of Orthopedics, Dongguan Songshan Lake Tungwah Hospital, Dongguan City, Guangdong Province, China
| | - Hongkai Duan
- Department of Orthopedics, Dongguan Songshan Lake Tungwah Hospital, Dongguan City, Guangdong Province, China
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Škrlec I, Kolomeichuk SN. Hypoxia-inducible factor-1α in myocardial infarction. World J Cardiol 2024; 16:181-185. [PMID: 38690212 PMCID: PMC11056874 DOI: 10.4330/wjc.v16.i4.181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/26/2024] [Accepted: 03/04/2024] [Indexed: 04/23/2024] Open
Abstract
Hypoxia-inducible factor 1 (HIF1) has a crucial function in the regulation of oxygen levels in mammalian cells, especially under hypoxic conditions. Its importance in cardiovascular diseases, particularly in cardiac ischemia, is because of its ability to alleviate cardiac dysfunction. The oxygen-responsive subunit, HIF1α, plays a crucial role in this process, as it has been shown to have cardioprotective effects in myocardial infarction through regulating the expression of genes affecting cellular survival, angiogenesis, and metabolism. Furthermore, HIF1α expression induced reperfusion in the ischemic skeletal muscle, and hypoxic skin wounds in diabetic animal models showed reduced HIF1α expression. Increased expression of HIF1α has been shown to reduce apoptosis and oxidative stress in cardiomyocytes during acute myocardial infarction. Genetic variations in HIF1α have also been found to correlate with altered responses to ischemic cardiovascular disease. In addition, a link has been established between the circadian rhythm and hypoxic molecular signaling pathways, with HIF1α functioning as an oxygen sensor and circadian genes such as period circadian regulator 2 responding to changes in light. This editorial analyzes the relationship between HIF1α and the circadian rhythm and highlights its significance in myocardial adaptation to hypoxia. Understanding the changes in molecular signaling pathways associated with diseases, specifically cardiovascular diseases, provides the opportunity for innovative therapeutic interventions, especially in low-oxygen environments such as myocardial infarction.
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Affiliation(s)
- Ivana Škrlec
- Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, Osijek 31000, Croatia.
| | - Sergey N Kolomeichuk
- Institute of Biology, Karelia Research Center of Russian Academy of Sciences, Petrozavodsk 185910, Russia
- Laboratory for Genomics, Proteomics, and Metabolomics, Research Institute of Biomedicine and Biomedical Technologies, Tyumen State Medical University, Tyumen 625023, Russia
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Juhász KZ, Hajdú T, Kovács P, Vágó J, Matta C, Takács R. Hypoxic Conditions Modulate Chondrogenesis through the Circadian Clock: The Role of Hypoxia-Inducible Factor-1α. Cells 2024; 13:512. [PMID: 38534356 DOI: 10.3390/cells13060512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 03/11/2024] [Accepted: 03/12/2024] [Indexed: 03/28/2024] Open
Abstract
Hypoxia-inducible factor-1 (HIF-1) is a heterodimer transcription factor composed of an alpha and a beta subunit. HIF-1α is a master regulator of cellular response to hypoxia by activating the transcription of genes that facilitate metabolic adaptation to hypoxia. Since chondrocytes in mature articular cartilage reside in a hypoxic environment, HIF-1α plays an important role in chondrogenesis and in the physiological lifecycle of articular cartilage. Accumulating evidence suggests interactions between the HIF pathways and the circadian clock. The circadian clock is an emerging regulator in both developing and mature chondrocytes. However, how circadian rhythm is established during the early steps of cartilage formation and through what signaling pathways it promotes the healthy chondrocyte phenotype is still not entirely known. This narrative review aims to deliver a concise analysis of the existing understanding of the dynamic interplay between HIF-1α and the molecular clock in chondrocytes, in states of both health and disease, while also incorporating creative interpretations. We explore diverse hypotheses regarding the intricate interactions among these pathways and propose relevant therapeutic strategies for cartilage disorders such as osteoarthritis.
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Affiliation(s)
- Krisztián Zoltán Juhász
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Tibor Hajdú
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Patrik Kovács
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Judit Vágó
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Csaba Matta
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Roland Takács
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
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Castillejos-López M, Romero Y, Varela-Ordoñez A, Flores-Soto E, Romero-Martinez BS, Velázquez-Cruz R, Vázquez-Pérez JA, Ruiz V, Gomez-Verjan JC, Rivero-Segura NA, Camarena Á, Torres-Soria AK, Gonzalez-Avila G, Sommer B, Solís-Chagoyán H, Jaimez R, Torres-Espíndola LM, Aquino-Gálvez A. Hypoxia Induces Alterations in the Circadian Rhythm in Patients with Chronic Respiratory Diseases. Cells 2023; 12:2724. [PMID: 38067152 PMCID: PMC10706372 DOI: 10.3390/cells12232724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 11/08/2023] [Accepted: 11/23/2023] [Indexed: 12/18/2023] Open
Abstract
The function of the circadian cycle is to determine the natural 24 h biological rhythm, which includes physiological, metabolic, and hormonal changes that occur daily in the body. This cycle is controlled by an internal biological clock that is present in the body's tissues and helps regulate various processes such as sleeping, eating, and others. Interestingly, animal models have provided enough evidence to assume that the alteration in the circadian system leads to the appearance of numerous diseases. Alterations in breathing patterns in lung diseases can modify oxygenation and the circadian cycles; however, the response mechanisms to hypoxia and their relationship with the clock genes are not fully understood. Hypoxia is a condition in which the lack of adequate oxygenation promotes adaptation mechanisms and is related to several genes that regulate the circadian cycles, the latter because hypoxia alters the production of melatonin and brain physiology. Additionally, the lack of oxygen alters the expression of clock genes, leading to an alteration in the regularity and precision of the circadian cycle. In this sense, hypoxia is a hallmark of a wide variety of lung diseases. In the present work, we intended to review the functional repercussions of hypoxia in the presence of asthma, chronic obstructive sleep apnea, lung cancer, idiopathic pulmonary fibrosis, obstructive sleep apnea, influenza, and COVID-19 and its repercussions on the circadian cycles.
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Affiliation(s)
- Manuel Castillejos-López
- Departamento de Epidemiología e Infectología Hospitalaria, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Mexico City 14080, Mexico;
| | - Yair Romero
- Facultad de Ciencias, Universidad Nacional Autónoma de México (UNAM), Mexico City 04510, Mexico;
| | - Angelica Varela-Ordoñez
- Red MEDICI, Carrera de Médico Cirujano, Facultad de Estudios Superiores de Iztacala Universidad Nacional Autónoma de México, Mexico City 54090, Mexico; (A.V.-O.); (A.K.T.-S.)
| | - Edgar Flores-Soto
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Mexico City 04510, Mexico; (E.F.-S.); (B.S.R.-M.); (R.J.)
| | - Bianca S. Romero-Martinez
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Mexico City 04510, Mexico; (E.F.-S.); (B.S.R.-M.); (R.J.)
| | - Rafael Velázquez-Cruz
- Laboratorio de Genómica del Metabolismo Óseo, Instituto Nacional de Medicina Genómica (INMEGEN), Mexico City 14610, Mexico;
| | - Joel Armando Vázquez-Pérez
- Laboratorio de Biología Molecular de Enfermedades Emergentes y EPOC, Instituto Nacional de Enferdades Respiratorias Ismael Cosío Villegas (INER), Mexico City 14080, Mexico;
| | - Víctor Ruiz
- Laboratorio de Biología Molecular, Departamento de Fibrosis Pulmonar, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Mexico City 14080, Mexico;
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional (INP), Mexico City 11340, Mexico
| | - Juan C. Gomez-Verjan
- Dirección de Investigación, Instituto Nacional de Geriatría (INGER), Mexico City 10200, Mexico; (J.C.G.-V.); (N.A.R.-S.)
| | - Nadia A. Rivero-Segura
- Dirección de Investigación, Instituto Nacional de Geriatría (INGER), Mexico City 10200, Mexico; (J.C.G.-V.); (N.A.R.-S.)
| | - Ángel Camarena
- Laboratorio de Inmunobiología y Genética, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Mexico City 14080, Mexico;
| | - Ana Karen Torres-Soria
- Red MEDICI, Carrera de Médico Cirujano, Facultad de Estudios Superiores de Iztacala Universidad Nacional Autónoma de México, Mexico City 54090, Mexico; (A.V.-O.); (A.K.T.-S.)
| | - Georgina Gonzalez-Avila
- Laboratorio de Oncología Biomédica, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Mexico City 14080, Mexico;
| | - Bettina Sommer
- Departamento de Investigación en Hiperreactividad Bronquial, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Mexico City 14080, Mexico;
| | - Héctor Solís-Chagoyán
- Laboratorio de Neurobiología Cognitiva, Centro de Investigación en Ciencias Cognitivas, Universidad Autónoma del Estado de Morelos, Cuernavaca 62209, Mexico;
| | - Ruth Jaimez
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Mexico City 04510, Mexico; (E.F.-S.); (B.S.R.-M.); (R.J.)
| | | | - Arnoldo Aquino-Gálvez
- Laboratorio de Biología Molecular, Departamento de Fibrosis Pulmonar, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Mexico City 14080, Mexico;
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Mexico City 04510, Mexico
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Daiber A, Frenis K, Kuntic M, Li H, Wolf E, Kilgallen AB, Lecour S, Van Laake LW, Schulz R, Hahad O, Münzel T. Redox Regulatory Changes of Circadian Rhythm by the Environmental Risk Factors Traffic Noise and Air Pollution. Antioxid Redox Signal 2022; 37:679-703. [PMID: 35088601 PMCID: PMC9618394 DOI: 10.1089/ars.2021.0272] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Significance: Risk factors in the environment such as air pollution and traffic noise contribute to the development of chronic noncommunicable diseases. Recent Advances: Epidemiological data suggest that air pollution and traffic noise are associated with a higher risk for cardiovascular, metabolic, and mental disease, including hypertension, heart failure, myocardial infarction, diabetes, arrhythmia, stroke, neurodegeneration, depression, and anxiety disorders, mainly by activation of stress hormone signaling, inflammation, and oxidative stress. Critical Issues: We here provide an in-depth review on the impact of the environmental risk factors air pollution and traffic noise exposure (components of the external exposome) on cardiovascular health, with special emphasis on the role of environmentally triggered oxidative stress and dysregulation of the circadian clock. Also, a general introduction on the contribution of circadian rhythms to cardiovascular health and disease as well as a detailed mechanistic discussion of redox regulatory pathways of the circadian clock system is provided. Future Directions: Finally, we discuss the potential of preventive strategies or "chrono" therapy for cardioprotection. Antioxid. Redox Signal. 37, 679-703.
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Affiliation(s)
- Andreas Daiber
- Molecular Cardiology, Department of Cardiology 1, Medical Center of the Johannes Gutenberg University, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
- Address correspondence to: Dr. Andreas Daiber, Labor für Molekulare Kardiologie, Abteilung für Kardiologie 1, Universitätsmedizin der Johannes Gutenberg-Universität Mainz, Geb. 605 – Raum 3.262, Langenbeckstr. 1, Mainz 55131, Germany
| | - Katie Frenis
- Molecular Cardiology, Department of Cardiology 1, Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Marin Kuntic
- Molecular Cardiology, Department of Cardiology 1, Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Huige Li
- Department of Pharmacology, Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Eva Wolf
- Structural Chronobiology, Institute of Molecular Physiology, Johannes Gutenberg University, Mainz, Germany
- Institute of Molecular Biology, Mainz, Germany
| | - Aoife B. Kilgallen
- Division Heart and Lungs, Regenerative Medicine Centre, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Sandrine Lecour
- Hatter Institute for Cardiovascular Research in Africa, University of Cape Town, Cape Town, South Africa
| | - Linda W. Van Laake
- Division Heart and Lungs, Regenerative Medicine Centre, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Rainer Schulz
- Institute for Physiology, Justus-Liebig University Giessen, Giessen, Germany
| | - Omar Hahad
- Molecular Cardiology, Department of Cardiology 1, Medical Center of the Johannes Gutenberg University, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
| | - Thomas Münzel
- Molecular Cardiology, Department of Cardiology 1, Medical Center of the Johannes Gutenberg University, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
- Address correspondence to: Dr. Thomas Münzel, Labor für Molekulare Kardiologie, Abteilung für Kardiologie 1, Universitätsmedizin der Johannes Gutenberg-Universität Mainz, Geb. 605 – Raum 3.262, Langenbeckstr. 1, Mainz 55131, Germany
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6
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Hypoxia signaling in human health and diseases: implications and prospects for therapeutics. Signal Transduct Target Ther 2022; 7:218. [PMID: 35798726 PMCID: PMC9261907 DOI: 10.1038/s41392-022-01080-1] [Citation(s) in RCA: 85] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 06/17/2022] [Accepted: 06/23/2022] [Indexed: 02/07/2023] Open
Abstract
Molecular oxygen (O2) is essential for most biological reactions in mammalian cells. When the intracellular oxygen content decreases, it is called hypoxia. The process of hypoxia is linked to several biological processes, including pathogenic microbe infection, metabolic adaptation, cancer, acute and chronic diseases, and other stress responses. The mechanism underlying cells respond to oxygen changes to mediate subsequent signal response is the central question during hypoxia. Hypoxia-inducible factors (HIFs) sense hypoxia to regulate the expressions of a series of downstream genes expression, which participate in multiple processes including cell metabolism, cell growth/death, cell proliferation, glycolysis, immune response, microbe infection, tumorigenesis, and metastasis. Importantly, hypoxia signaling also interacts with other cellular pathways, such as phosphoinositide 3-kinase (PI3K)-mammalian target of rapamycin (mTOR) signaling, nuclear factor kappa-B (NF-κB) pathway, extracellular signal-regulated kinases (ERK) signaling, and endoplasmic reticulum (ER) stress. This paper systematically reviews the mechanisms of hypoxia signaling activation, the control of HIF signaling, and the function of HIF signaling in human health and diseases. In addition, the therapeutic targets involved in HIF signaling to balance health and diseases are summarized and highlighted, which would provide novel strategies for the design and development of therapeutic drugs.
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Abstract
Circadian clocks are biological timing mechanisms that generate 24-h rhythms of physiology and behavior, exemplified by cycles of sleep/wake, hormone release, and metabolism. The adaptive value of clocks is evident when internal body clocks and daily environmental cycles are mismatched, such as in the case of shift work and jet lag or even mistimed eating, all of which are associated with physiological disruption and disease. Studies with animal and human models have also unraveled an important role of functional circadian clocks in modulating cellular and organismal responses to physiological cues (ex., food intake, exercise), pathological insults (e.g. virus and parasite infections), and medical interventions (e.g. medication). With growing knowledge of the molecular and cellular mechanisms underlying circadian physiology and pathophysiology, it is becoming possible to target circadian rhythms for disease prevention and treatment. In this review, we discuss recent advances in circadian research and the potential for therapeutic applications that take patient circadian rhythms into account in treating disease.
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Affiliation(s)
- Yool Lee
- Department of Translational Medicine and Physiology, Elson S. Floyd College of Medicine, Washington State University, Spokane, Washington
| | - Jeffrey M Field
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Amita Sehgal
- Howard Hughes Medical Institute, Chronobiology and Sleep Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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Verney C, Legouis D, Placier S, Migeon T, Bonnin P, Buob D, Hadchouel J, Galichon P. Anaesthesia-Induced Transcriptomic Changes in the Context of Renal Ischemia Uncovered by the Use of a Novel Clamping Device. Int J Mol Sci 2021; 22:ijms22189840. [PMID: 34576005 PMCID: PMC8464990 DOI: 10.3390/ijms22189840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 09/01/2021] [Accepted: 09/02/2021] [Indexed: 11/16/2022] Open
Abstract
Ischemia is a common cause of acute kidney injury worldwide, frequently occurring in patients undergoing cardiac surgery or admitted to the intensive care unit (ICU). Thus, ischemia-reperfusion injury (IRI) remains one of the main experimental models for the study of kidney diseases. However, the classical technique, based on non-traumatic surgical clamps, suffers from several limitations. It does not allow the induction of multiple episodes of acute kidney injury (AKI) in the same animal, which would be relevant from a human perspective. It also requires a deep and long sedation, raising the question of potential anaesthesia-related biases. We designed a vascular occluding device that can be activated remotely in conscious mice. We first assessed the intensity and the reproducibility of the acute kidney injury induced by this new device. We finally investigated the role played by the anaesthesia in the IRI models at the histological, functional and transcriptomic levels. We showed that this technique allows the rapid induction of renal ischemia in a repeatable and reproducible manner, breaking several classical limitations. In addition, we used its unique specificities to highlight the renal protective effect conferred by the anaesthesia, related to the mitigation of the IRI transcriptomic program.
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Affiliation(s)
- Charles Verney
- Common and Rare Kidney Diseases (CoRaKID) Unit, Institut National de la Santé and de la Recherche Médicale (INSERM) U1155, F-75020 Paris, France; (C.V.); (S.P.); (T.M.); (D.B.); (J.H.)
- CoRaKID Unit, Sorbonne Université, F-75020 Paris, France
| | - David Legouis
- Laboratory of Nephrology, Department of Medicine, University Hospitals of Geneva, 1205 Geneva, Switzerland;
- Department of Cell Physiology, Faculty of Medicine, University of Geneva, 1205 Geneva, Switzerland
- Division of Intensive Care, University Hospital of Geneva, 1205 Geneva, Switzerland
| | - Sandrine Placier
- Common and Rare Kidney Diseases (CoRaKID) Unit, Institut National de la Santé and de la Recherche Médicale (INSERM) U1155, F-75020 Paris, France; (C.V.); (S.P.); (T.M.); (D.B.); (J.H.)
- CoRaKID Unit, Sorbonne Université, F-75020 Paris, France
| | - Tiffany Migeon
- Common and Rare Kidney Diseases (CoRaKID) Unit, Institut National de la Santé and de la Recherche Médicale (INSERM) U1155, F-75020 Paris, France; (C.V.); (S.P.); (T.M.); (D.B.); (J.H.)
- CoRaKID Unit, Sorbonne Université, F-75020 Paris, France
| | - Philippe Bonnin
- INSERM U1148 Laboratory for Vascular Translational Science (LVTS) Hôpital Bichat, F-75018 Paris, France;
- Physiologie Clinique—Explorations Fonctionnelles, Assistance Publique Hôpitaux de Paris (APHP), Lariboisière Hospital, F-75010 Paris, France
| | - David Buob
- Common and Rare Kidney Diseases (CoRaKID) Unit, Institut National de la Santé and de la Recherche Médicale (INSERM) U1155, F-75020 Paris, France; (C.V.); (S.P.); (T.M.); (D.B.); (J.H.)
- CoRaKID Unit, Sorbonne Université, F-75020 Paris, France
- Department of Anatomopathology, AP-HP, Tenon Hospital, F-75020 Paris, France
| | - Juliette Hadchouel
- Common and Rare Kidney Diseases (CoRaKID) Unit, Institut National de la Santé and de la Recherche Médicale (INSERM) U1155, F-75020 Paris, France; (C.V.); (S.P.); (T.M.); (D.B.); (J.H.)
- CoRaKID Unit, Sorbonne Université, F-75020 Paris, France
| | - Pierre Galichon
- Common and Rare Kidney Diseases (CoRaKID) Unit, Institut National de la Santé and de la Recherche Médicale (INSERM) U1155, F-75020 Paris, France; (C.V.); (S.P.); (T.M.); (D.B.); (J.H.)
- CoRaKID Unit, Sorbonne Université, F-75020 Paris, France
- Surgical and Medical Department of Kidney Transplantation, Assistance Publique–Hôpitaux de Paris (APHP), Pitié-Salpêtrière Hospital, F-75013 Paris, France
- Correspondence:
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Oyama Y, Walker LA, Eckle T. Targeting circadian PER2 as therapy in myocardial ischemia and reperfusion injury. Chronobiol Int 2021; 38:1262-1273. [PMID: 34034593 PMCID: PMC8355134 DOI: 10.1080/07420528.2021.1928160] [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: 03/19/2021] [Revised: 04/30/2021] [Accepted: 05/04/2021] [Indexed: 01/22/2023]
Abstract
The cycle of day and night dominates life on earth. Therefore, almost all living organisms adopted a molecular clock linked to the light-dark cycles. It is now well established that this molecular clock is crucial for human health and wellbeing. Disruption of the molecular clockwork directly results in a myriad of disorders, including cardiovascular diseases. Further, the onset of many cardiovascular diseases such as acute myocardial infarction exhibits a circadian periodicity with worse outcomes in the early morning hours. Based on these observations, the research community became interested in manipulating the molecular clock to treat cardiovascular diseases. In recent years, several exciting discoveries of pharmacological agents or molecular mechanisms targeting the molecular clockwork have paved the way for circadian medicine's arrival in cardiovascular diseases. The current review will outline the most recent circadian therapeutic advances related to the circadian rhythm protein Period2 (PER2) to treat myocardial ischemia and summarize future research in the respective field.
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Affiliation(s)
- Yoshimasa Oyama
- Department of Anesthesiology, University of Colorado Denver School of Medicine, Aurora, Colorado, USA
- Department of Anesthesiology and Intensive Care Medicine, Oita University Faculty of Medicine, Oita, Japan
| | - Lori A Walker
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Tobias Eckle
- Department of Anesthesiology, University of Colorado Denver School of Medicine, Aurora, Colorado, USA
- Department of Cell and Developmental Biology, University of Colorado Denver School of Medicine, Aurora, Colorado, USA
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Thöni V, Oliva R, Mauracher D, Egg M. Therapeutic Nuclear Magnetic Resonance affects the core clock mechanism and associated Hypoxia-inducible factor-1. Chronobiol Int 2021; 38:1120-1134. [PMID: 33847185 DOI: 10.1080/07420528.2021.1910288] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The influence of low intensity electromagnetic fields on circadian clocks of cells and tissues has gained increasing scientific interest, either as a therapeutic tool or as a potential environmental hazard. Nuclear Magnetic Resonance (NMR) refers to the property of certain atomic nuclei to absorb the energy of radio waves under a corresponding magnetic field. NMR forms the basis for Magnetic Resonance Imaging, Magnetic Resonance Spectroscopy and, in a low-intensity form, for NMR therapy (tNMR). Since the circadian clock is bi-directionally intertwined with hypoxic signaling in vertebrates and mammals, we hypothesized that low intensity electromagnetic fields, such as tNMR, might not only affect circadian clocks but also Hypoxia-Inducible Factor-1α (HIF-1α). As master regulator of the hypoxic signaling pathway, HIF-1α is known to dampen the circadian amplitude under reduced oxygen availability, while the hypoxic response of cells and organisms, itself, is tightly clock controlled. In a first experiment, we investigated if tNMR is able to act as Zeitgeber for the core clock mechanism of unsynchronized zebrafish and mouse fibroblast cells, using direct light irradiation and treatment with the glucocorticoid Dexamethasone as references. tNMR significantly affected the cell autonomous clocks of unsynchronized mouse fibroblast cells NIH3-T3, but did not act as a Zeitgeber. Similar to light irradiation and in contrast to treatment with Dexamethasone, tNMR did not synchronize expression profiles of murine clock genes. However, irradiation with tNMR as well as light significantly altered mRNA and protein expression levels of Cryptochrome1, Cryptochrome2 and Clock1 for more than 24 h. Changes in mRNA and protein after different treatment durations, namely 6 and 12 h, appeared to be nonlinear. A nonlinear dose-response relationship is known as hallmark of electromagnetic field induced effects on biological systems. The most prominent alterations were detected in murine HIF-1α protein, again in a nonlinear dose-response. In contrast to murine cells, zebrafish fibroblasts did not respond to tNMR at all. Light, a potent Zeitgeber for the peripheral clocks of fish, led to the expected synchronized clock gene oscillations of high amplitude, as did Dexamethasone. Hence, we conclude, mammalian peripheral clocks are more susceptible to tNMR than the direct light entrainable fish fibroblasts. Although light and tNMR did not act as Zeitgebers for the circadian clocks of unsynchronized murine cells, the significant observed effects might indicate downstream cell-physiological ramifications, which are worth future investigation. However, beside the effects tNMR exerts on the core clock mechanism of mammalian cells, the technology might be the first non-pharmacological approach to modify HIF-1α protein in cells and tissues. HIF-1α and the associated circadian clock play key roles in diseases with underlying ischemic background, such as infarct, stroke, and cancer and, also infectious diseases, such as Covid-19. Hence, low intensity magnetic fields such as tNMR might be of significant medical interest.
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Affiliation(s)
- Viktoria Thöni
- Institute of Zoology, University Innsbruck, Innsbruck, Austria
| | - Regina Oliva
- Institute of Zoology, University Innsbruck, Innsbruck, Austria
| | - David Mauracher
- Institute of Zoology, University Innsbruck, Innsbruck, Austria
| | - Margit Egg
- Institute of Zoology, University Innsbruck, Innsbruck, Austria
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11
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Siracusa R, Schaufler A, Calabrese V, Fuller PM, Otterbein LE. Carbon Monoxide: from Poison to Clinical Trials. Trends Pharmacol Sci 2021; 42:329-339. [PMID: 33781582 DOI: 10.1016/j.tips.2021.02.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 02/17/2021] [Accepted: 02/24/2021] [Indexed: 02/06/2023]
Abstract
Every cell has a highly sophisticated system for regulating heme levels, which is particularly important with regard to turnover. Heme degradation generates CO and while CO has long been viewed as a metabolic waste product, and at higher concentrations cellularly lethal, we now know that CO is an indispensable gasotransmitter that participates in fundamental physiological processes necessary for survival. Irrefutable preclinical data have resulted in concerted efforts to develop CO as a safe and effective therapeutic agent, but against this notion lies dogma that CO is a poison, especially to the brain. The emergence of this debate is discussed here highlighting the neuroprotective properties of CO through its role on the central circadian clock and ongoing strategies being developed for CO administration for clinical use.
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Affiliation(s)
- Rosalba Siracusa
- Department of Surgery, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, 02115, USA; Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, Messina, Italy, 98166
| | - Alexa Schaufler
- Department of Surgery, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, 02115, USA
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Patrick M Fuller
- Department of Neurology, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, 02115, USA; Department of Neurological Surgery, University of California Davis Health, Sacramento, CA 95817, USA
| | - Leo E Otterbein
- Department of Surgery, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, 02115, USA.
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12
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Abstract
BACKGROUND Sudden cardiac arrest (SCA) is a serious public health issue caused by the cessation of cardiac electrical and mechanical activity. Despite advances in pedestrian lifesaving technologies like defibrillators, the SCA mortality rate remains high, and survivors are at risk of suffering ischemic injury to various organs. Understanding the contributing factors for SCA is essential for improving morbidity and mortality. One factor capable of influencing SCA incidence and survival is the time of day at which SCA occurs. OBJECTIVES This review focused on the effect of time of day on SCA incidence, survival rate, and survival to discharge over the past 30 years and the role of age, sex, and SCA location in modulating the timing of SCA. METHODS The Preferred Reporting Items for Systematic Reviews and Meta-Analyses Extension for Scoping Reviews criteria guided this review. Four databases (PubMed, Cochrane Libraries, Scopus, and Cumulative Index to Nursing and Allied Health Literature) were queried for research reports or articles addressing time of day and cardiac arrest, which were subsequently screened by the authors for inclusion in this analysis. RESULTS A total of 48 articles were included in the final analysis. This analysis showed a bimodal SCA distribution with a primary peak in the morning and a secondary peak in the afternoon; these peaks were dependent on age (older persons), sex (more frequent in males), and the location of occurrence (out-of-hospital cardiac arrest vs. in-hospital cardiac rest). Survival following SCA was lowest between midnight and 06:00 a.m. DISCUSSION The circadian rhythm likely plays an important role in the time-of-day-dependent pattern that is evident in both the incidence of and survival following SCA. There is a renewed call for nursing research to examine or address circadian rhythm as an element in studies involving older adults and activities affecting cardiovascular or respiratory parameters.
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13
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Bartman CM, Matveyenko A, Pabelick C, Prakash YS. Cellular clocks in hyperoxia effects on [Ca 2+] i regulation in developing human airway smooth muscle. Am J Physiol Lung Cell Mol Physiol 2021; 320:L451-L466. [PMID: 33404366 PMCID: PMC8294620 DOI: 10.1152/ajplung.00406.2020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 12/24/2020] [Accepted: 12/31/2020] [Indexed: 01/06/2023] Open
Abstract
Supplemental O2 (hyperoxia) is necessary for preterm infant survival but is associated with development of bronchial airway hyperreactivity and childhood asthma. Understanding early mechanisms that link hyperoxia to altered airway structure and function are key to developing advanced therapies. We previously showed that even moderate hyperoxia (50% O2) enhances intracellular calcium ([Ca2+]i) and proliferation of human fetal airway smooth muscle (fASM), thereby facilitating bronchoconstriction and remodeling. Here, we introduce cellular clock biology as a novel mechanism linking early oxygen exposure to airway biology. Peripheral, intracellular clocks are a network of transcription-translation feedback loops that produce circadian oscillations with downstream targets highly relevant to airway function and asthma. Premature infants suffer circadian disruption whereas entrainment strategies improve outcomes, highlighting the need to understand relationships between clocks and developing airways. We hypothesized that hyperoxia impacts clock function in fASM and that the clock can be leveraged to attenuate deleterious effects of O2 on the developing airway. We report that human fASM express core clock machinery (PER1, PER2, CRY1, ARNTL/BMAL1, CLOCK) that is responsive to dexamethasone (Dex) and altered by O2. Disruption of the clock via siRNA-mediated PER1 or ARNTL knockdown alters store-operated calcium entry (SOCE) and [Ca2+]i response to histamine in hyperoxia. Effects of O2 on [Ca2+]i are rescued by driving expression of clock proteins, via effects on the Ca2+ channels IP3R and Orai1. These data reveal a functional fASM clock that modulates [Ca2+]i regulation, particularly in hyperoxia. Harnessing clock biology may be a novel therapeutic consideration for neonatal airway diseases following prematurity.
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Affiliation(s)
- Colleen M Bartman
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
| | - Aleksey Matveyenko
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
| | - Christina Pabelick
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
| | - Y S Prakash
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
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14
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Alamoudi AA. Why do cancer cells break from host circadian rhythm? Insights from unicellular organisms. Bioessays 2021; 43:e2000205. [PMID: 33533033 DOI: 10.1002/bies.202000205] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 11/30/2020] [Accepted: 12/17/2020] [Indexed: 12/12/2022]
Abstract
It is not clear why cancer cells choose to disrupt their circadian clock rhythms, and whether such disruption governs a selective fitness and a survival advantage. In this review, I focus on understanding the impacts of clock gene disruption on a simpler model, such as the unicellular cyanobacterium, in order to explain how cancer cells may alter the circadian rhythm to reprogram their metabolism based on their needs and status. It appears to be that the activation of the oxidative pentose phosphate pathway (OPPP) and production of NADPH, the preferred molecule for detoxification of reactive oxygen species, is a critical process for night survival in unicellular organisms. The circadian clock acts as a gatekeeper that controls how the organism will utilize its sugar, shifting sugar influx between glycolysis and OPPP. The circadian clock can thus act as a gatekeeper between an anabolic, proliferative mode and a homeostatic, survival mode.
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Affiliation(s)
- Aliaa A Alamoudi
- Clinical Biochemistry Department, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia.,Stem Cell Unit, King Fahad Medical Research Center, Jeddah, Saudi Arabia
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15
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Banks WA. A Spectrum of Topics for 2019: Advances in Neuroinflammation, Oxidative Stress, Obesity, Diabetes Mellitus, Cardiovascular Disease, Autism, Exosomes, and Central Nervous System Diseases. Curr Pharm Des 2020; 26:1-5. [PMID: 32122292 DOI: 10.2174/138161282601200225102049] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Advances in various fields were discussed in the reviews and original research articles published in 2019 in Current Pharmaceutical Design. Here, I review some of the major highlights for selected areas. A better understanding of disease mechanisms was a prominent recurrent theme and new therapeutic targets based on those mechanisms are highlighted here. Inflammation and oxidative stress are major features of many diseases, therefore, interventions to address these processes are reviewed. Although repurposing of old drugs occurred in several fields, drug targeting and drug delivery, especially of nanoparticles, also continues to be a major area of interest.
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Affiliation(s)
- William A Banks
- Geriatric Research Education and Clinical Center, Veterans Affairs Puget Sound Health Care Center, Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, 1660 S. Columbian Way, Seattle, WA 98108 Seattle, WA, United States
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16
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O'Connell EJ, Martinez CA, Liang YG, Cistulli PA, Cook KM. Out of breath, out of time: interactions between HIF and circadian rhythms. Am J Physiol Cell Physiol 2020; 319:C533-C540. [PMID: 32726159 DOI: 10.1152/ajpcell.00305.2020] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Humans have internal circadian clocks that ensure that important physiological functions occur at specific times of the day. These molecular clocks are regulated at the genomic level and exist in most cells of the body. Multiple circadian resetting cues have been identified, including light, temperature, and food. Recently, oxygen has been identified as a resetting cue, and emerging science indicates that this occurs through interactions at the cellular level between the circadian transcription-translation feedback loop and the hypoxia-inducible pathway (hypoxia-inducible factor; subject of the 2019 Nobel Prize in Physiology or Medicine). This review will cover recently identified relationships between HIF and proteins of the circadian clock. Interactions between the circadian clock and hypoxia could have wide-reaching implications for human diseases, and understanding the molecular mechanisms regulating these overlapping pathways may open up new strategies for drug discovery.
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Affiliation(s)
- Emma J O'Connell
- University of Sydney, Faculty of Medicine and Health and Charles Perkins Centre, Camperdown, New South Wales, Australia
| | - Chloe-Anne Martinez
- University of Sydney, Faculty of Medicine and Health and Charles Perkins Centre, Camperdown, New South Wales, Australia
| | - Yichuan G Liang
- University of Sydney, Faculty of Medicine and Health and Charles Perkins Centre, Camperdown, New South Wales, Australia
| | - Peter A Cistulli
- University of Sydney, Faculty of Medicine and Health and Charles Perkins Centre, Camperdown, New South Wales, Australia
| | - Kristina M Cook
- University of Sydney, Faculty of Medicine and Health and Charles Perkins Centre, Camperdown, New South Wales, Australia
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17
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Díaz-García E, Jaureguizar A, Casitas R, García-Tovar S, Sánchez-Sánchez B, Zamarrón E, López-Collazo E, García-Río F, Cubillos-Zapata C. SMAD4 Overexpression in Patients with Sleep Apnoea May Be Associated with Cardiometabolic Comorbidities. J Clin Med 2020; 9:jcm9082378. [PMID: 32722512 PMCID: PMC7464800 DOI: 10.3390/jcm9082378] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 07/20/2020] [Accepted: 07/23/2020] [Indexed: 12/22/2022] Open
Abstract
Obstructive sleep apnoea (OSA) is associated with several diseases related to metabolic and cardiovascular risk. Although the mechanisms involved in the development of these disorders may vary, OSA patients frequently present an increase in transforming growth factor beta (TGFβ), the activity of which is higher still in patients with hypertension, diabetes or cardiovascular morbidity. Smad4 is a member of the small mother against decapentaplegic homologue (Smad) family of signal transducers and acts as a central mediator of TGFβ signalling pathways. In this study, we evaluate Smad4 protein and mRNA expression from 52 newly diagnosed OSA patients, with an apnoea-hypopnoea index (AHI) ≥30 and 26 healthy volunteers. These analyses reveal that OSA patients exhibit high levels of SMAD4 which correlates with variation in HIF1α, mTOR and circadian genes. Moreover, we associated high concentrations of Smad4 plasma protein with the presence of diabetes, dyslipidaemia and hypertension in these patients. Results suggest that increased levels of SMAD4, mediated by intermittent hypoxaemia and circadian rhythm deregulation, may be associated with cardiometabolic comorbidities in patients with sleep apnoea.
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Affiliation(s)
- Elena Díaz-García
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), 28029 Madrid, Spain; (E.D.-G.); (A.J.); (R.C.); (B.S.-S.); (E.Z.); (E.L.-C.); (F.G.-R.)
- Respiratory Diseases Group, Respiratory Diseases Department, La Paz University Hospital, IdiPAZ, 28046 Madrid, Spain;
| | - Ana Jaureguizar
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), 28029 Madrid, Spain; (E.D.-G.); (A.J.); (R.C.); (B.S.-S.); (E.Z.); (E.L.-C.); (F.G.-R.)
- Respiratory Diseases Group, Respiratory Diseases Department, La Paz University Hospital, IdiPAZ, 28046 Madrid, Spain;
| | - Raquel Casitas
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), 28029 Madrid, Spain; (E.D.-G.); (A.J.); (R.C.); (B.S.-S.); (E.Z.); (E.L.-C.); (F.G.-R.)
- Respiratory Diseases Group, Respiratory Diseases Department, La Paz University Hospital, IdiPAZ, 28046 Madrid, Spain;
| | - Sara García-Tovar
- Respiratory Diseases Group, Respiratory Diseases Department, La Paz University Hospital, IdiPAZ, 28046 Madrid, Spain;
| | - Begoña Sánchez-Sánchez
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), 28029 Madrid, Spain; (E.D.-G.); (A.J.); (R.C.); (B.S.-S.); (E.Z.); (E.L.-C.); (F.G.-R.)
- Respiratory Diseases Group, Respiratory Diseases Department, La Paz University Hospital, IdiPAZ, 28046 Madrid, Spain;
| | - Ester Zamarrón
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), 28029 Madrid, Spain; (E.D.-G.); (A.J.); (R.C.); (B.S.-S.); (E.Z.); (E.L.-C.); (F.G.-R.)
- Respiratory Diseases Group, Respiratory Diseases Department, La Paz University Hospital, IdiPAZ, 28046 Madrid, Spain;
| | - Eduardo López-Collazo
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), 28029 Madrid, Spain; (E.D.-G.); (A.J.); (R.C.); (B.S.-S.); (E.Z.); (E.L.-C.); (F.G.-R.)
- The Innate Immune Response Group, La Paz University Hospital, IdiPAZ, 28046 Madrid, Spain
| | - Francisco García-Río
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), 28029 Madrid, Spain; (E.D.-G.); (A.J.); (R.C.); (B.S.-S.); (E.Z.); (E.L.-C.); (F.G.-R.)
- Respiratory Diseases Group, Respiratory Diseases Department, La Paz University Hospital, IdiPAZ, 28046 Madrid, Spain;
- Faculty of Medicine, Autonomous University of Madrid, 28029 Madrid, Spain
| | - Carolina Cubillos-Zapata
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), 28029 Madrid, Spain; (E.D.-G.); (A.J.); (R.C.); (B.S.-S.); (E.Z.); (E.L.-C.); (F.G.-R.)
- Respiratory Diseases Group, Respiratory Diseases Department, La Paz University Hospital, IdiPAZ, 28046 Madrid, Spain;
- Correspondence:
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18
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Zhang S, Dai M, Wang X, Jiang SH, Hu LP, Zhang XL, Zhang ZG. Signalling entrains the peripheral circadian clock. Cell Signal 2020; 69:109433. [PMID: 31982551 DOI: 10.1016/j.cellsig.2019.109433] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 09/29/2019] [Accepted: 09/29/2019] [Indexed: 12/18/2022]
Abstract
In mammals, 24-h rhythms of behaviour and physiology are regulated by the circadian clock. The circadian clock is controlled by a central clock in the brain's suprachiasmatic nucleus (SCN) that synchronizes peripheral clocks in peripheral tissues. Clock genes in the SCN are primarily entrained by light. Increasing evidence has shown that peripheral clocks are also regulated by light and hormones independent of the SCN. How the peripheral clocks deal with internal signals is dependent on the relevance of a specific cue to a specific tissue. In different tissues, most genes that are under circadian control are not overlapping, revealing the tissue-specific control of peripheral clocks. We will discuss how different signals control the peripheral clocks in different peripheral tissues, such as the liver, gastrointestinal tract, and pancreas, and discuss the organ-to-organ communication between the peripheral clocks at the molecular level.
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Affiliation(s)
- Shan Zhang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Miao Dai
- Department of Gynecologic Oncology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan Province, China
| | - Xu Wang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Shu-Heng Jiang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Li-Peng Hu
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xue-Li Zhang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
| | - Zhi-Gang Zhang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
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19
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Oyama Y, Shuff S, Davizon-Castillo P, Clendenen N, Eckle T. Intense light as anticoagulant therapy in humans. PLoS One 2020; 15:e0244792. [PMID: 33382840 PMCID: PMC7775081 DOI: 10.1371/journal.pone.0244792] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 12/07/2020] [Indexed: 11/25/2022] Open
Abstract
Blood coagulation is central to myocardial ischemia and reperfusion (IR) injury. Studies on the light elicited circadian rhythm protein Period 2 (PER2) using whole body Per2-/- mice found deficient platelet function and reduced clotting which would be expected to protect from myocardial IR-injury. In contrast, intense light induction of PER2 protected from myocardial IR-injury while Per2 deficiency was detrimental. Based on these conflicting data, we sought to evaluate the role of platelet specific PER2 in coagulation and myocardial ischemia and reperfusion injury. We demonstrated that platelets from mice with tissue-specific deletion of Per2 in the megakaryocyte lineage (Per2loxP/loxP-PF4-CRE) significantly clot faster than platelets from control mice. We further found increases in infarct sizes or plasma troponin levels in Per2loxP/loxP-PF4-CRE mice when compared to controls. As intense light increases PER2 protein in human tissues, we also performed translational studies and tested the effects of intense light therapy on coagulation in healthy human subjects. Our human studies revealed that intense light therapy repressed procoagulant pathways in human plasma samples and significantly reduced the clot rate. Based on these results we conclude that intense light elicited PER2 has an inhibitory function on platelet aggregation in mice. Further, we suggest intense light as a novel therapy to prevent or treat clotting in a clinical setting.
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Affiliation(s)
- Yoshimasa Oyama
- Department of Anesthesiology, University of Colorado - Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Sydney Shuff
- Department of Anesthesiology, University of Colorado - Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Pavel Davizon-Castillo
- Department of Pediatrics, University of Colorado - Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Nathan Clendenen
- Department of Anesthesiology, University of Colorado - Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Tobias Eckle
- Department of Anesthesiology, University of Colorado - Anschutz Medical Campus, Aurora, Colorado, United States of America
- * E-mail:
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