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Antila H, Lilius TO, Palada V, Lohela T, Bell RF, Porkka-Heiskanen T, Kalso E. Effects of commonly used analgesics on sleep architecture-A topical review. Pain 2024:00006396-990000000-00539. [PMID: 38442410 DOI: 10.1097/j.pain.0000000000003201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 01/15/2024] [Indexed: 03/07/2024]
Affiliation(s)
- Hanna Antila
- Neuroscience Center, Helsinki Institute of Life Science, University of Helsinki, Finland
- SleepWell Research Program Unit, Faculty of Medicine, University of Helsinki, Finland
- Individualized Drug Therapy Research Program Unit, Faculty of Medicine, University of Helsinki, Finland
| | - Tuomas O Lilius
- Individualized Drug Therapy Research Program Unit, Faculty of Medicine, University of Helsinki, Finland
- Department of Pharmacology, Faculty of Medicine, University of Helsinki, Finland
- Department of Emergency Medicine and Services, Helsinki University Hospital and University of Helsinki, Finland
| | - Vinko Palada
- SleepWell Research Program Unit, Faculty of Medicine, University of Helsinki, Finland
- Department of Physiology, Faculty of Medicine, University of Helsinki, Finland
| | - Terhi Lohela
- Individualized Drug Therapy Research Program Unit, Faculty of Medicine, University of Helsinki, Finland
- Department of Anaesthesiology, Intensive Care and Pain Medicine, Helsinki University Hospital and University of Helsinki, Finland
| | - Rae F Bell
- Regional Centre of Excellence in Palliative Care, Haukeland University Hospital, Bergen, Norway
| | | | - Eija Kalso
- SleepWell Research Program Unit, Faculty of Medicine, University of Helsinki, Finland
- Department of Pharmacology, Faculty of Medicine, University of Helsinki, Finland
- Department of Anaesthesiology, Intensive Care and Pain Medicine, Helsinki University Hospital and University of Helsinki, Finland
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Pérez-González F, Abusamak M, Sáez-Alcaide LM, García-Denche JT, Marino FAT. Effect of time-dependent ibuprofen administration on the post operatory after impacted third molar extraction: a cross-over randomized controlled trial. Oral Maxillofac Surg 2023; 27:699-706. [PMID: 35918624 PMCID: PMC9345738 DOI: 10.1007/s10006-022-01104-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 07/26/2022] [Indexed: 11/30/2022]
Abstract
PURPOSE To evaluate time-dependent administration of ibuprofen in a lower third molar extraction model. METHODS Eleven patients requiring bilateral surgical removal of lower third molars were recruited and randomized into a blinded crossover randomized controlled trial. For 3 days after surgery, the control group was prescribed ibuprofen 400 mg every 8 h. On the other hand, the experimental group received also ibuprofen 400 mg at breakfast and lunch, replacing the dinner intake with a placebo. Pain measurements (Visual Analog Scale from 0 to 10) were recorded at baseline, 24, 48, and 72 h postoperatively. Facial swelling and trismus were also measured at baseline, 24, and 72 h postoperatively. RESULTS Postoperative swelling and pain perception did not show significative difference between the control and experimental groups at 24, 48, and 72 h. Trismus was significantly lower in the control group than in the experimental group at 72 h postoperatively (p = 0.008). Rescue medication consumption seemed to be comparable between groups. CONCLUSION Eliminating night time ibuprofen might be insignificant for pain control after third molar extraction.
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Affiliation(s)
- Fabián Pérez-González
- Faculty of Dentistry, Department of Dental Clinical Specialties, University Complutense of Madrid, Plaza Ramón y Cajal S/N, 28040, Madrid, Spain.
| | - Mohammad Abusamak
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Canada
| | - Luis Miguel Sáez-Alcaide
- Faculty of Dentistry, Department of Dental Clinical Specialties, University Complutense of Madrid, Plaza Ramón y Cajal S/N, 28040, Madrid, Spain
| | - Jesus Torres García-Denche
- Faculty of Dentistry, Department of Dental Clinical Specialties, University Complutense of Madrid, Plaza Ramón y Cajal S/N, 28040, Madrid, Spain
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Iyer P, Hwang M, Ridley L, Weisman MM. Biomechanics in the onset and severity of spondyloarthritis: a force to be reckoned with. RMD Open 2023; 9:e003372. [PMID: 37949613 PMCID: PMC10649803 DOI: 10.1136/rmdopen-2023-003372] [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: 06/06/2023] [Accepted: 10/23/2023] [Indexed: 11/12/2023] Open
Abstract
Increasing evidence suggests that there is a pivotal role for physical force (mechanotransduction) in the initiation and/or the perpetuation of spondyloarthritis; the review contained herein examines that evidence. Furthermore, we know that damage and inflammation can limit spinal mobility, but is there a cycle created by altered spinal mobility leading to additional damage and inflammation?Over the past several years, mechanotransduction, the mechanism by which mechanical perturbation influences gene expression and cellular behaviour, has recently gained popularity because of emerging data from both animal models and human studies of the pathogenesis of ankylosing spondylitis (AS). In this review, we provide evidence towards an appreciation of the unsolved paradigm of how biomechanical forces may play a role in the initiation and propagation of AS.
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Affiliation(s)
- Priyanka Iyer
- Division of Rheumatology, Department of Medicine, UC Irvine Healthcare, Orange, California, USA
| | - Mark Hwang
- Rheumatology, The University of Texas Health Science Center at Houston John P and Katherine G McGovern Medical School, Houston, Texas, USA
| | - Lauren Ridley
- Rheumatology, The University of Texas Health Science Center at Houston John P and Katherine G McGovern Medical School, Houston, Texas, USA
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4
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Abusamak M, Al-Tamimi M, Al-Waeli H, Tahboub K, Cai W, Morris M, Tamimi F, Nicolau B. Chronotherapy in dentistry: A scoping review. Chronobiol Int 2023:1-14. [PMID: 37052061 DOI: 10.1080/07420528.2023.2200495] [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: 04/14/2023]
Abstract
The circadian clock modulates almost all vital aspects of our physiology and metabolism, including processes relevant to dentistry, such as healing, inflammation and nociception. Chronotherapy is an emerging field aiming to improve therapeutic efficacy and decrease adverse effects on health outcomes. This scoping review aimed to systematically map the evidence underpinning chronotherapy in dentistry and to identify gaps in knowledge. We conducted a systematic scoping search using four databases (Medline, Scopus, CINAHL and Embase). We identified 3908 target articles screened by two blinded reviewers, and only original animal and human studies investigating the chronotherapeutic use of drugs or interventions in dentistry were included. Of the 24 studies included, 19 were human studies and five were animal studies. Chrono-radiotherapy and chrono-chemotherapy reduced treatment side effects and improved therapeutic response, leading to higher survival rates in cancer patients. Animal studies reported that tooth movement and periodontal tissue response to orthodontic forces follow a diurnal rhythm that might influence bone metabolism. Profound and prolonged local anesthesia could be achieved when injected in the evening. Although the overall quality of the included studies was low, chronotherapy applications in dentistry seem to have favourable outcomes, especially in head and neck cancer treatments.
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Affiliation(s)
- Mohammad Abusamak
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Quebec, Canada
| | - Mohammad Al-Tamimi
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Quebec, Canada
| | - Haider Al-Waeli
- Faculty of Dentistry, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Kawkab Tahboub
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Quebec, Canada
| | - Wenji Cai
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Quebec, Canada
| | - Martin Morris
- Schulich Library of Physical Sciences, Life Sciences and Engineering, McGill University, Montreal, Quebec, Canada
| | - Faleh Tamimi
- College of Dental Medicine, QU Health, Qatar University, Doha, Qatar
| | - Belinda Nicolau
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Quebec, Canada
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5
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Skubatz H. Nonsteroidal anti-inflammatory drugs as antipyretics and modulators of a molecular clock(s) in the appendix of Sauromatum venosum inflorescence. PLANT BIOLOGY (STUTTGART, GERMANY) 2023; 25:152-160. [PMID: 36074072 DOI: 10.1111/plb.13466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
The appendix of the Sauromatum senosum inflorescence is a striking example of thermogenesis in plants. On the day of opening, the Sauromatum appendix becomes hot, reaching up to 32 °C. Aspirin, salicylic acid and 2,6-dihydroxybenzoic acid, a subclass of NSAIDs, induce a temperature rise from three mitochondrial sources: alternative oxidase, F1 FO -ATP synthase and adenine nucleotide translocator. This temperature rise is synchronized and compounded under various light/dark regimes. We studied the effect of different subgroups of NSAIDs on the temperature rise. Tissue slices of appendix of Sauromatum and Arum italicum inflorescences at a pre-mature stage were treated with the three inducers in combination with one NSAID under constant light or darkness and under different photoperiods. Temperature rise generated by the three heat sources in the presence of inducers and different non-selective NSAIDs were not compounded and occurred at three different times. Under constant light, DuP-697, ibuprofen, flurbiprofen, acetaminophen and diclofenac suppressed the temperature rise induced by the three salicylates. Desynchronization and delayed temperature rise were detected with 6/42-h light/ dark and 15/33-h light/dark regimes in the presence of celecoxib and ibuprofen. With a 24/24-h light/dark regime, temperature rise was suppressed in the presence of ibuprofen. There were differences in response to individual NSAIDs between appendix tissue of A. italicum and S. venosum. Mitochondrial energy balance is affected by NSAIDs. There is an interaction between light/dark regime and temperature rise and a relationship between timing mechanism and temperature rise.
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Tamimi Z, Abusamak M, Al-Waeli H, Al-Tamimi M, Al Habashneh R, Ghanim M, Al-Nusair M, Gao Q, Nicolau B, Tamimi F. NSAID chronotherapy after impacted third molar extraction: a randomized controlled trial. Oral Maxillofac Surg 2022; 26:663-672. [PMID: 35064366 DOI: 10.1007/s10006-021-01029-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 12/10/2021] [Indexed: 06/14/2023]
Abstract
OBJECTIVES Postoperative pain management impacts patients' quality of life and morbidity. Non-steroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen are widely used for this following a 3-doses-per-day regime. However, pain and inflammation follow a circadian rhythm, and animal models assessing the scheduling of NSAID administration (e.g., chronotherapy) have shown that while their use during the active phase of the day enhances postoperative recovery, their administration during the resting phase could have detrimental effects. This observation has led us to hypothesize that night administration of NSAID might be unnecessary in post-surgical scenarios. Therefore, a randomized clinical trial was conducted to test this hypothesis in surgical third molar extractions. MATERIALS AND METHODS Seventy (18-35 years) healthy participants requiring surgical removal of impacted lower third molars were recruited and randomized into a double-blind placebo-controlled study. For three days postoperatively, the treatment group (n = 33) received ibuprofen (400 mg) at 8 AM, 1 PM, and a placebo at 8 PM, while the control group (n = 37) received ibuprofen (400 mg) at 8 AM, 1 PM, and 8 PM. Pain severity was assessed by visual analog scale (VAS) and healing indicators including facial swelling, mouth opening, and C-reactive protein blood levels were also measured. RESULTS Pain VAS measures showed a circadian variation peaking at night. Also, no significant differences were observed between the two groups of the study in terms of postoperative pain scores (estimate: 0.50, 95% CI = [- 0.38, 1.39]) or any other healing indicator. CONCLUSIONS Postoperative pain follows a circadian rhythm. Moreover, night administration of ibuprofen might not provide any significant benefits in terms of pain management and control of inflammation, and two doses during the day only could be sufficient for pain management after surgical interventions. KNOWLEDGE TRANSFER STATEMENT Even though this study cannot rule out the possibility that a reduced regime is different than a standard regime, nocturnal doses of ibuprofen seem to have no clinical significance in the short term, and the results of this study provide evidence in favor of reducing ibuprofen administration from three doses to two doses only after third molar surgery.
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Affiliation(s)
- Zaid Tamimi
- Faculty of Dentistry, Jordan University of Science and Technology, Irbid, Jordan.
| | | | - Haider Al-Waeli
- Faculty of Dentistry, Dalhousie University, Halifax, NS, Canada
| | | | - Rola Al Habashneh
- Faculty of Dentistry, Jordan University of Science and Technology, Irbid, Jordan
| | - Mohammad Ghanim
- Faculty of Dentistry, Jordan University of Science and Technology, Irbid, Jordan
| | - Mohammed Al-Nusair
- Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Qiman Gao
- Faculty of Dentistry, McGill University, Montreal, QC, Canada
| | - Belinda Nicolau
- Faculty of Dentistry, McGill University, Montreal, QC, Canada
| | - Faleh Tamimi
- College of Dental Medicine, Qatar University, Doha, Qatar
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Maulina T, Purnomo YY, Tasman SGR, Sjamsudin E, Amaliya A. The Efficacy of Curcumin Patch as an Adjuvant Therapeutic Agent in Managing Acute Orofacial Pain on the Post-Cleft Lip and Cleft Palate Surgery Patients: A Pragmatic Trial. Eur J Dent 2022. [PMID: 36096139 DOI: 10.1055/s-0042-1750802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
Abstract
OBJECTIVE Acute pain is one of the most common pains experienced by post-cleft lip or cleft surgery patients regardless of the administration of analgesic agents. This current study aimed to evaluate the efficacy of a curcumin patch as an adjuvant analgesic agent on the post-cleft lip and cleft palate surgery patients. MATERIALS AND METHODS Fifty-five (33 male; 22 female) participants aged 36 months or less are recruited in this pragmatic trial and randomly assigned to a control group, where no curcumin patch was applied; or the experimental group, where the participants wore a curcumin patch with a dosage of 100mg. All participants (regardless of the group) received a standardized postsurgery analgesic agent immediately after the surgery was completed. A face, leg, activity, cry, and consolability (FLACC) scale was used to evaluate pain levels for three subsequent time points. STATISTICAL ANALYSIS All data were then analyzed by using the Mann-Whitney U test to compare the mean differences between the two groups. RESULTS The results of the current study revealed that there was no significant difference found between the control and the experimental group when mean pain scores were compared for the first evaluation time. Yet, there was a significant difference (p<0.01) between the two groups' mean pain scores on the second evaluation time. CONCLUSION Curcumin patch was found to be effective when used as an adjuvant analgesic agent to reduce acute-orofacial postsurgery pain in cleft lip and cleft surgery patients.
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Affiliation(s)
- Tantry Maulina
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, University of Padjadjaran, Bandung, Indonesia
| | - Yohanes Yoppy Purnomo
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, University of Padjadjaran, Bandung, Indonesia
| | | | - Endang Sjamsudin
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, University of Padjadjaran, Bandung, Indonesia
| | - Amaliya Amaliya
- Department of Periodontology, Faculty of Dentistry, University of Padjadjaran, Bandung, Indonesia
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Galmiche A, Saidak Z, Bettoni J, Ouendo M, Testelin S. Therapeutic Perspectives for the Perioperative Period in Oral Squamous Cell Carcinoma (OSCC). FRONTIERS IN ORAL HEALTH 2022; 2:764386. [PMID: 35088056 PMCID: PMC8787059 DOI: 10.3389/froh.2021.764386] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 12/14/2021] [Indexed: 12/16/2022] Open
Abstract
The perioperative period is the relatively short window of time, usually measured in days or weeks, around the surgical procedure. Despite its short duration, this time period is of great importance for cancer patients. From a biological point of view, the perioperative period is complex. Synchronous with primary tumor removal, surgery has local and distant consequences, including systemic and local inflammation, coagulation and sympathetic activation. Furthermore, the patients often present comorbidities and receive several medical prescriptions (hypnotics, pain killers, anti-emetics, hemostatics, inotropes, antibiotics). Because of the complex nature of the perioperative period, it is often difficult to predict the oncological outcome of tumor resection. Here, we review the biological consequences of surgery of Oral Squamous Cell Carcinoma (OSCC), the most frequent form of primary head and neck tumors. We briefly address the specificities and the challenges of the surgical care of these tumors and highlight the biological and clinical studies that offer insight into the perioperative period. The recent trials examining neoadjuvant immunotherapy for OSCC illustrate the therapeutic opportunities offered by the perioperative period.
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Affiliation(s)
- Antoine Galmiche
- EA7516 CHIMERE, Université de Picardie Jules Verne, Amiens, France
- Service de Biochimie, Centre de Biologie Humaine, Centre Hospitalier Universitaire (CHU) Amiens, Amiens, France
- *Correspondence: Antoine Galmiche
| | - Zuzana Saidak
- EA7516 CHIMERE, Université de Picardie Jules Verne, Amiens, France
- Service de Biochimie, Centre de Biologie Humaine, Centre Hospitalier Universitaire (CHU) Amiens, Amiens, France
| | - Jérémie Bettoni
- EA7516 CHIMERE, Université de Picardie Jules Verne, Amiens, France
- Service de Chirurgie Maxillo-Faciale, Centre Hospitalier Universitaire (CHU) Amiens, Amiens, France
| | - Martial Ouendo
- EA7516 CHIMERE, Université de Picardie Jules Verne, Amiens, France
- Service d'Anesthésie Réanimation, Centre Hospitalier Universitaire (CHU) Amiens, Amiens, France
| | - Sylvie Testelin
- EA7516 CHIMERE, Université de Picardie Jules Verne, Amiens, France
- Service de Chirurgie Maxillo-Faciale, Centre Hospitalier Universitaire (CHU) Amiens, Amiens, France
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9
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Recent Advances in Chronotherapy Targeting Respiratory Diseases. Pharmaceutics 2021; 13:pharmaceutics13122008. [PMID: 34959290 PMCID: PMC8704788 DOI: 10.3390/pharmaceutics13122008] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 11/19/2021] [Accepted: 11/23/2021] [Indexed: 11/17/2022] Open
Abstract
Respiratory diseases contribute to a significant percentage of mortality and morbidity worldwide. The circadian rhythm is a natural biological process where our bodily functions align with the 24 h oscillation (sleep-wake cycle) process and are controlled by the circadian clock protein/gene. Disruption of the circadian rhythm could alter normal lung function. Chronotherapy is a type of therapy provided at specific time intervals based on an individual's circadian rhythm. This would allow the drug to show optimum action, and thereby modulate its pharmacokinetics to lessen unwanted or unintended effects. In this review, we deliberated on the recent advances employed in chrono-targeted therapeutics for chronic respiratory diseases.
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Wolter A, Rapp AE, Durst MS, Hildebrand L, Löhning M, Buttgereit F, Schmidt-Bleek K, Jirkof P, Lang A. Systematic review on the reporting accuracy of experimental details in publications using mouse femoral fracture models. Bone 2021; 152:116088. [PMID: 34175502 DOI: 10.1016/j.bone.2021.116088] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 06/19/2021] [Accepted: 06/21/2021] [Indexed: 11/28/2022]
Abstract
The outcomes of animal experiments can be influenced by a variety of factors. Thus, precise reporting is necessary to provide reliable and reproducible data. Initiatives such as the ARRIVE guidelines have been enrolled during the last decade to provide a road map for sufficient reporting. To understand the sophisticated process of bone regeneration and to develop new therapeutic strategies, small rodents, especially mice, are frequently used in bone healing research. Since many factors might influence the results from those studies, we performed a systematic literature search from 2010 to 2019 to identify studies involving mouse femoral fracture models (stable fixation) and evaluated the reporting of general and model-specific experimental details. 254 pre-selected publications were systematically analyzed, showing a high reporting accuracy for the used mouse strain, the age or developmental stage and sex of mice as well as model-specific information on fixation methods and fracturing procedures. However, reporting was more often insufficient in terms of mouse substrains and genetic backgrounds of genetically modified mice, body weight, hygiene monitoring/immune status of the animal, anesthesia, and analgesia. Consistent and reliable reporting of experimental variables in mouse fracture surgeries will improve scientific quality, enhance animal welfare, and foster translation into the clinic.
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Affiliation(s)
- Angelique Wolter
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Department of Rheumatology and Clinical Immunology, Berlin, Germany; German Rheumatism Research Centre (DRFZ) Berlin, A Leibniz Institute, Pitzer Laboratory of Osteoarthritis Research, Berlin, Germany.
| | - Anna E Rapp
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Department of Rheumatology and Clinical Immunology, Berlin, Germany; German Rheumatism Research Centre (DRFZ) Berlin, A Leibniz Institute, Pitzer Laboratory of Osteoarthritis Research, Berlin, Germany.
| | - Mattea S Durst
- Division of Surgical Research, University Hospital Zurich, University Zurich, Switzerland.
| | - Laura Hildebrand
- Berlin Institute of Health at Charité, Universitätsmedizin Berlin, Center for Regenerative Therapies, Berlin, Germany.
| | - Max Löhning
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Department of Rheumatology and Clinical Immunology, Berlin, Germany; German Rheumatism Research Centre (DRFZ) Berlin, A Leibniz Institute, Pitzer Laboratory of Osteoarthritis Research, Berlin, Germany.
| | - Frank Buttgereit
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Department of Rheumatology and Clinical Immunology, Berlin, Germany; German Rheumatism Research Centre (DRFZ) Berlin, A Leibniz Institute, Pitzer Laboratory of Osteoarthritis Research, Berlin, Germany.
| | - Katharina Schmidt-Bleek
- Berlin Institute of Health at Charité, Universitätsmedizin Berlin, Center for Regenerative Therapies, Berlin, Germany; Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Julius Wolff Institute, Berlin, Germany.
| | - Paulin Jirkof
- Division of Surgical Research, University Hospital Zurich, University Zurich, Switzerland; Office for Animal Welfare and 3Rs, University of Zurich, Switzerland.
| | - Annemarie Lang
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Department of Rheumatology and Clinical Immunology, Berlin, Germany; German Rheumatism Research Centre (DRFZ) Berlin, A Leibniz Institute, Pitzer Laboratory of Osteoarthritis Research, Berlin, Germany.
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11
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Duan J, Greenberg EN, Karri SS, Andersen B. The circadian clock and diseases of the skin. FEBS Lett 2021; 595:2413-2436. [PMID: 34535902 PMCID: PMC8515909 DOI: 10.1002/1873-3468.14192] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 09/11/2021] [Accepted: 09/13/2021] [Indexed: 02/06/2023]
Abstract
Organisms have an evolutionarily conserved internal rhythm that helps them anticipate and adapt to daily changes in the environment. Synchronized to the light-dark cycle with a period of around 24 hours, the timing of the circadian clock is set by light-triggering signals sent from the retina to the suprachiasmatic nucleus. Other inputs, including food intake, exercise, and temperature, also affect clocks in peripheral tissues, including skin. Here, we review the intricate interplay between the core clock network and fundamental physiological processes in skin such as homeostasis, regeneration, and immune- and stress responses. We illustrate the effect of feeding time on the skin circadian clock and skin functions, a previously overlooked area of research. We then discuss works that relate the circadian clock and its disruption to skin diseases, including skin cancer, sunburn, hair loss, aging, infections, inflammatory skin diseases, and wound healing. Finally, we highlight the promise of circadian medicine for skin disease prevention and management.
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Affiliation(s)
- Junyan Duan
- Center for Complex Biological Systems, University of California, Irvine, CA 92697
| | - Elyse Noelani Greenberg
- Department of Biological Chemistry, University of California, Irvine, CA 92697
- Department of Medicine, Division of Endocrinology, School of Medicine, University of California, Irvine, CA 92697
| | - Satya Swaroop Karri
- Department of Biological Chemistry, University of California, Irvine, CA 92697
| | - Bogi Andersen
- Center for Complex Biological Systems, University of California, Irvine, CA 92697
- Department of Biological Chemistry, University of California, Irvine, CA 92697
- Department of Medicine, Division of Endocrinology, School of Medicine, University of California, Irvine, CA 92697
- Institute for Genomics and Bioinformatics, University of California, Irvine, CA 92697
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12
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Luo B, Zhou X, Tang Q, Yin Y, Feng G, Li S, Chen L. Circadian rhythms affect bone reconstruction by regulating bone energy metabolism. J Transl Med 2021; 19:410. [PMID: 34579752 PMCID: PMC8477514 DOI: 10.1186/s12967-021-03068-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Accepted: 09/02/2021] [Indexed: 01/02/2023] Open
Abstract
Metabolism is one of the most complex cellular biochemical reactions, providing energy and substances for basic activities such as cell growth and proliferation. Early studies have shown that glucose is an important nutrient in osteoblasts. In addition, amino acid metabolism and fat metabolism also play important roles in bone reconstruction. Mammalian circadian clocks regulate the circadian cycles of various physiological functions. In vertebrates, circadian rhythms are mediated by a set of central clock genes: muscle and brain ARNT like-1 (Bmal1), muscle and brain ARNT like-2 (Bmal2), circadian rhythmic motion output cycle stagnates (Clock), cryptochrome 1 (Cry1), cryptochrome2 (Cry2), period 1 (Per1), period 2 (Per2), period 3 (Per3) and neuronal PAS domain protein 2 (Npas2). Negative feedback loops, controlled at both the transcriptional and posttranslational levels, adjust these clock genes in a diurnal manner. According to the results of studies on circadian transcriptomic studies in several tissues, most rhythmic genes are expressed in a tissue-specific manner and are affected by tissue-specific circadian rhythms. The circadian rhythm regulates several activities, including energy metabolism, feeding time, sleeping, and endocrine and immune functions. It has been reported that the circadian rhythms of mammals are closely related to bone metabolism. In this review, we discuss the regulation of the circadian rhythm/circadian clock gene in osteoblasts/osteoclasts and the energy metabolism of bone, and the relationship between circadian rhythm, bone remodeling, and energy metabolism. We also discuss the therapeutic potential of regulating circadian rhythms or changing energy metabolism on bone development/bone regeneration.
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Affiliation(s)
- Beibei Luo
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Xin Zhou
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Qingming Tang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Ying Yin
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Guangxia Feng
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Shue Li
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China. .,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China. .,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China.
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China. .,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China. .,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China.
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13
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Mutua V, Cavallo F, Gershwin LJ. Neutrophil extracellular traps (NETs) in a randomized controlled trial of a combination of antiviral and nonsteroidal anti-inflammatory treatment in a bovine model of respiratory syncytial virus infection. Vet Immunol Immunopathol 2021; 241:110323. [PMID: 34543829 DOI: 10.1016/j.vetimm.2021.110323] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/30/2021] [Accepted: 08/31/2021] [Indexed: 11/13/2022]
Abstract
The function of neutrophils in viral infections has long been established and studies have been done to examine the role of neutrophil extracellular traps (NETs). Further study and analysis of NETs in viral infections may reveal a new therapeutic target. Administration of ibuprofen and GS-561937, a fusion protein inhibitor (FPI), have been experimentally shown to decrease the severity of bovine respiratory syncytial virus (BRSV) infection. Our aims were to determine the effect of ibuprofen and FPI on NETs after BRSV infection as a monotherapy or combined therapy. METHODS We conducted a randomized placebo-controlled trial of ibuprofen, FPI, or as a dual therapy initiated at 3 or 5 days after experimental infection with BRSV in 36 five to six-week-old Holstein calves (Bos Taurus). Lung tissue samples were collected and stained with antibodies conjugated with fluorescence dyes to visualize and quantify the NETs in situ. We estimated the average NETs in the sample lung tissue slides and compared the areas occupied by NETS within and between the treatment groups. RESULTS There were significantly fewer NETs in the lung tissue from calves that were given ibuprofen and both ibuprofen and fusion protein inhibitor from day 3 post infection compared to the placebo group. Calves administered with ibuprofen, fusion protein inhibitor or both from day five had visually fewer NETs than the placebo but the difference was not significant. CONCLUSION BRSV can induce NET formation in vitro and in vivo. A combination of both drugs (Ibuprofen and FPI) resulted in less NETs observed in lung tissue of BRSV infected calves compared to the placebo or monotherapy groups.
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Affiliation(s)
- Victoria Mutua
- Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California Davis, 1 Shields Ave, Davis, CA, United States.
| | - Francisco Cavallo
- Division of Veterinary Pathology. Department of Biomedical Sciences & Pathobiology Virginia Tech, Blacksburg, VA, 24060, United States
| | - Laurel J Gershwin
- Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California Davis, 1 Shields Ave, Davis, CA, United States
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14
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Bhansali D, Teng SL, Lee CS, Schmidt BL, Bunnett NW, Leong KW. Nanotechnology for Pain Management: Current and Future Therapeutic Interventions. NANO TODAY 2021; 39:101223. [PMID: 34899962 PMCID: PMC8654201 DOI: 10.1016/j.nantod.2021.101223] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Pain is one of the most common medical conditions and affects more Americans than diabetes, heart disease, and cancer combined. Current pain treatments mainly rely on opioid analgesics and remain unsatisfactory. The life-threatening side effects and addictive properties of opioids demand new therapeutic approaches. Nanomedicine may be able to address these challenges as it allows for sensitive and targeted treatments without some of the burdens associated with current clinical pain therapies. This review discusses the physiology of pain, the current landscape of pain treatment, novel targets for pain treatment, and recent and ongoing efforts to effectively treat pain using nanotechnology-based approaches. We highl ight advances in nanoparticle-based drug delivery to reduce side effects, gene therapy to tackle the source of pain, and nanomaterials-based scavenging to proactively mediate pain signaling.
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Affiliation(s)
- Divya Bhansali
- Department of Biomedical Engineering, Columbia University, New York, NY 10027
| | - Shavonne L. Teng
- Department of Physiology and Cellular Biophysics, Columbia University, New York, NY 10032
- Department of Molecular Pathobiology, New York University College of Dentistry, New York, NY 10010
- Department of Neuroscience and Physiology, Neuroscience Institute, New York University Langone School of Medicine, New York, NY 10010
| | - Caleb S. Lee
- Department of Biomedical Engineering, Columbia University, New York, NY 10027
| | - Brian L. Schmidt
- Bluestone Center for Clinical Research, New York University College of Dentistry, New York, NY 10010
| | - Nigel W. Bunnett
- Department of Molecular Pathobiology, New York University College of Dentistry, New York, NY 10010
- Department of Neuroscience and Physiology, Neuroscience Institute, New York University Langone School of Medicine, New York, NY 10010
| | - Kam W. Leong
- Department of Biomedical Engineering, Columbia University, New York, NY 10027
- Department of Systems Biology, Columbia University, New York, NY 10027
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15
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Owolabi ATY, Reece SE, Schneider P. Daily rhythms of both host and parasite affect antimalarial drug efficacy. Evol Med Public Health 2021; 9:208-219. [PMID: 34285807 PMCID: PMC8284615 DOI: 10.1093/emph/eoab013] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 04/23/2021] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Circadian rhythms contribute to treatment efficacy in several non-communicable diseases. However, chronotherapy (administering drugs at a particular time-of-day) against infectious diseases has been overlooked. Yet, the daily rhythms of both hosts and disease-causing agents can impact the efficacy of drug treatment. We use the rodent malaria parasite Plasmodium chabaudi, to test whether the daily rhythms of hosts, parasites and their interactions affect sensitivity to the key antimalarial, artemisinin. METHODOLOGY Asexual malaria parasites develop rhythmically in the host's blood, in a manner timed to coordinate with host daily rhythms. Our experiments coupled or decoupled the timing of parasite and host rhythms, and we administered artemisinin at different times of day to coincide with when parasites were either at an early (ring) or later (trophozoite) developmental stage. We quantified the impacts of parasite developmental stage, and alignment of parasite and host rhythms, on drug sensitivity. RESULTS We find that rings were less sensitive to artemisinin than trophozoites, and this difference was exacerbated when parasite and host rhythms were misaligned, with little direct contribution of host time-of-day on its own. Furthermore, the blood concentration of haem at the point of treatment correlated positively with artemisinin efficacy but only when parasite and host rhythms were aligned. CONCLUSIONS AND IMPLICATIONS Parasite rhythms influence drug sensitivity in vivo. The hitherto unknown modulation by alignment between parasite and host daily rhythms suggests that disrupting the timing of parasite development could be a novel chronotherapeutic approach. LAY SUMMARY We reveal that chronotherapy (providing medicines at a particular time-of-day) could improve treatment for malaria infections. Specifically, parasites' developmental stage at the time of treatment and the coordination of timing between parasite and host both affect how well antimalarial drug treatment works.
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Affiliation(s)
- Alíz T Y Owolabi
- Institute of Evolutionary Biology & Institute of Immunology and Infection Research, School of Biological Sciences, University of Edinburgh, Charlotte Auerbach Road, Edinburgh EH9 3FL, UK,Corresponding author. Institute of Evolutionary Biology & Institute of Immunology and Infection Research, School of Biological Sciences, University of Edinburgh, Charlotte Auerbach Road, Edinburgh, EH9 3FL, UK. Tel (office): +441316508642; E-mail:
| | - Sarah E Reece
- Institute of Evolutionary Biology & Institute of Immunology and Infection Research, School of Biological Sciences, University of Edinburgh, Charlotte Auerbach Road, Edinburgh EH9 3FL, UK
| | - Petra Schneider
- Institute of Evolutionary Biology & Institute of Immunology and Infection Research, School of Biological Sciences, University of Edinburgh, Charlotte Auerbach Road, Edinburgh EH9 3FL, UK
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16
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Yuan H, Chang QY, Chen J, Wang YT, Gan ZJ, Wen S, Li TT, Xiong LL. A retrospective analysis of the effects of different analgesics on the pain of patients with traumatic thoracolumbar fractures in the peri-treatment period. J Orthop Surg Res 2021; 16:268. [PMID: 33865404 PMCID: PMC8052732 DOI: 10.1186/s13018-021-02401-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 04/05/2021] [Indexed: 02/08/2023] Open
Abstract
OBJECTIVE To analyze and compare the effects of peri-treatment analgesics on acute and chronic pain and postoperative functional recovery of patients with thoracolumbar fractures, so as to guide the clinical drug use. METHODS Seven hundred nineteen patients with thoracolumbar fractures were collected and divided into acetaminophen dihydrocodeine, celecoxib, and etoricoxib groups. The main indicators were the degree of postoperative pain (visual analog scale (VAS)), the incidence of chronic pain and postoperative functional recovery (Oswestry dysfunction index (ODI) and Japanese Orthopedics Association score (JOA)), which were continuously tracked through long-term telephone follow-up. The correlation analysis of ODI-pain score, peri-treatment VAS score, and ODI index was performed, and bivariate regression analysis was conducted to understand the risk factors for chronic pain. RESULTS Regression analysis showed that severe spinal cord injury and peri-treatment use of acetaminophen dihydrocodeine were both one of the risk factors for postoperative chronic pain. But there were no statistically conspicuous differences in basic characteristics, preoperative injury, and intraoperative conditions. Compared with the other two groups, patients in the acetaminophen dihydrocodeine group had longer peri-therapeutic analgesic use, higher pain-related scores (VAS 1 day preoperatively, VAS 1 month postoperatively, and ODI-pain 1 year postoperatively), higher VAS variation, higher incidence of chronic pain 1 year after surgery, and higher ODI index. And other ODI items and JOA assessments showed no statistically significant differences. In addition, the correlation analysis showed that the peri-treatment pain score was correlated with the severity of postoperative chronic pain. CONCLUSION Although the peri-treatment analgesic effect of acetaminophen dihydrocodeine is good, it is still necessary to combine analgesics with different mechanisms of action for patients with severe preoperative pain of thoracolumbar fracture, so as to inhibit the incidence of postoperative chronic pain and improve the quality of postoperative rehabilitation.
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Affiliation(s)
- Hao Yuan
- Department of Spinal Surgery, The Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, Guizhou, China
| | - Quan-Yuan Chang
- Institute of Neurological Disease, Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610044, China
- Department of Anesthesiology, Southwest Medical University, Luzhou, 646000, China
| | - Jie Chen
- Institute of Neurological Disease, Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610044, China
- Department of Anesthesiology, Southwest Medical University, Luzhou, 646000, China
| | - Ya-Ting Wang
- Institute of Neurological Disease, Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610044, China
- Department of Anesthesiology, Southwest Medical University, Luzhou, 646000, China
| | - Zong-Jin Gan
- Institute of Neurological Disease, Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610044, China
- Department of Anesthesiology, Southwest Medical University, Luzhou, 646000, China
| | - Song Wen
- Department of Anesthesiology, The Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, Guizhou, China
| | - Ting-Ting Li
- Institute of Neurological Disease, Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610044, China.
| | - Liu-Lin Xiong
- Department of Anesthesiology, The Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, Guizhou, China.
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17
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Cardinali DP, Brown GM, Pandi-Perumal SR. Can Melatonin Be a Potential "Silver Bullet" in Treating COVID-19 Patients? Diseases 2020; 8:E44. [PMID: 33256258 PMCID: PMC7709121 DOI: 10.3390/diseases8040044] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 11/24/2020] [Accepted: 11/24/2020] [Indexed: 12/15/2022] Open
Abstract
The therapeutic potential of melatonin as a chronobiotic cytoprotective agent to counteract the consequences of COVID-19 infections has been advocated. Because of its wide-ranging effects as an antioxidant, anti-inflammatory, and immunomodulatory compound, melatonin could be unique in impairing the consequences of SARS-CoV-2 infection. Moreover, indirect evidence points out to a possible antiviral action of melatonin by interfering with SARS-CoV-2/angiotensin-converting enzyme 2 association. Melatonin is also an effective chronobiotic agent to reverse the circadian disruption of social isolation and to control delirium in severely affected patients. As a cytoprotector, melatonin serves to combat several comorbidities such as diabetes, metabolic syndrome, and ischemic and non-ischemic cardiovascular diseases, which aggravate COVID-19 disease. In view of evidence on the occurrence of neurological sequels in COVID-19-infected patients, another putative application of melatonin emerges based on its neuroprotective properties. Since melatonin is an effective means to control cognitive decay in minimal cognitive impairment, its therapeutic significance for the neurological sequels of SARS-CoV-2 infection should be considered. Finally, yet importantly, exogenous melatonin can be an adjuvant capable of augmenting the efficacy of anti-SARS-CoV-2 vaccines. We discuss in this review the experimental evidence suggesting that melatonin is a potential "silver bullet" in the COVID 19 pandemic.
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Affiliation(s)
- Daniel P. Cardinali
- Faculty of Medical Sciences, Pontificia Universidad Católica Argentina, Buenos Aires 1007, Argentina;
| | - Gregory M. Brown
- Centre for Addiction and Mental Health, Department of Psychiatry, University of Toronto, Toronto, ON M5T 1R8, Canada;
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18
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Elderly as a High-risk Group during COVID-19 Pandemic: Effect of Circadian Misalignment, Sleep Dysregulation and Melatonin Administration. ACTA ACUST UNITED AC 2020; 4:81-87. [PMID: 33015537 PMCID: PMC7519696 DOI: 10.1007/s41782-020-00111-7] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/01/2020] [Accepted: 09/17/2020] [Indexed: 12/15/2022]
Abstract
The association of age with a higher vulnerability to COVID-19 infection is a subject of major importance. Several factors, including higher stress due to social isolation, diminished melatonin levels with age, and higher exposure of individuals to light at the evening, which reduces melatonin levels and disrupts circadian rhythmicity are relevant for maintaining the circadian health in aged individuals. Properly administered, chronotherapy restores the optimal circadian pattern of the sleep–wake cycle in the elderly. It involves adequate sleep hygiene, timed light exposure, and the use of a chronobiotic medication like melatonin, which affects the output phase of circadian rhythms thus controlling the biological clock. Besides, the therapeutic potential of melatonin as an agent to counteract the consequences of COVID-19 infections has been advocated due to its wide-ranging effects as an antioxidant, anti-inflammatory, and as an immunomodulatory agent, as well as to a possible antiviral action. This article discusses how chronotherapy may reverse the detrimental circadian condition of the elderly in the COVID-19 pandemic.
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19
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Tamimi F, Abusamak M, Akkanti B, Chen Z, Yoo SH, Karmouty-Quintana H. The case for chronotherapy in Covid-19-induced acute respiratory distress syndrome. Br J Pharmacol 2020; 177:4845-4850. [PMID: 32442317 PMCID: PMC7280566 DOI: 10.1111/bph.15140] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 05/07/2020] [Accepted: 05/09/2020] [Indexed: 12/27/2022] Open
Abstract
Coronavirus disease 2019 (COVID‐19), the disease resulting from infection by a novel coronavirus, SARS‐Cov2, has rapidly spread since November 2019 leading to a global pandemic. SARS‐Cov2 has infected over four million people and caused over 290,000 deaths worldwide. Although most cases are mild, a subset of patients develop a severe and atypical presentation of acute respiratory distress syndrome (ARDS) that is characterised by a cytokine release storm (CRS). Paradoxically, treatment with anti‐inflammatory agents and immune regulators has been associated with worsening of ARDS. We hypothesize that the intrinsic circadian clock of the lung and the immune system may regulate individual components of CRS, and thus, chronotherapy may be used to effectively manage ARDS in COVID‐19 patients. LINKED ARTICLES This article is part of a themed issue on The Pharmacology of COVID‐19. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v177.21/issuetoc
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Affiliation(s)
- Faleh Tamimi
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada.,College of Dental Medicine, Qatar University, Doha, Qatar
| | | | - Bindu Akkanti
- Divisions of Critical Care, Pulmonary and Sleep Medicine, Department of Internal Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Zheng Chen
- Department of Biochemistry and Molecular Biology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Seung-Hee Yoo
- Department of Biochemistry and Molecular Biology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Harry Karmouty-Quintana
- Divisions of Critical Care, Pulmonary and Sleep Medicine, Department of Internal Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas, USA.,Department of Biochemistry and Molecular Biology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas, USA
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