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Patlin BH, Mok H, Arra M, Haspel JA. Circadian rhythms in solid organ transplantation. J Heart Lung Transplant 2024; 43:849-857. [PMID: 38310995 PMCID: PMC11070314 DOI: 10.1016/j.healun.2024.01.017] [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: 12/20/2023] [Revised: 01/17/2024] [Accepted: 01/29/2024] [Indexed: 02/06/2024] Open
Abstract
Circadian rhythms are daily cycles in physiology that can affect medical interventions. This review considers how these rhythms may relate to solid organ transplantation. It begins by summarizing the mechanism for circadian rhythm generation known as the molecular clock, and basic research connecting the clock to biological activities germane to organ acceptance. Next follows a review of clinical evidence relating time of day to adverse transplantation outcomes. The concluding section discusses knowledge gaps and practical areas where applying circadian biology might improve transplantation success.
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Affiliation(s)
- Brielle H Patlin
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri
| | - Huram Mok
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri
| | - Monaj Arra
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri
| | - Jeffrey A Haspel
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri.
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Dong C, Li J, Tang Q, Wang Y, Zeng C, Du L, Sun Q. Denervation aggravates renal ischemia reperfusion injury via BMAL1-mediated Nrf2/ARE pathway. Arch Biochem Biophys 2023; 746:109736. [PMID: 37657745 DOI: 10.1016/j.abb.2023.109736] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/04/2023] [Accepted: 08/27/2023] [Indexed: 09/03/2023]
Abstract
AIM To explore the change of clock gene rhythm under renal denervation (RDN) and its effect on renal function and oxidative stress during renal ischemia-reperfusion (IR) injury. METHOD C57/BL6 mice were randomly divided into 4 groups at daytime 7 A M (zeitgeber time [ZT] 0) or at nighttime 7 P M (ZT12) in respectively: Sham (S) group, RDN group, IR group and RDN + IR (DIR) group. Renal pathological and functional changes were assessed by H&E staining, and serum creatinine, urea nitrogen and neutrophil gelatinase-associated lipocalin levels. Renal oxidative stress was detected by SOD and MDA levels, and renal inflammation was measured by IL-6, IL-17 A F and TNF-ɑ levels. BMAL1, CLOCK, Nrf2 and HO-1 mRNA and protein expressions were tested by qPCR and Western Blot. RESULT Compared with S groups, the rhythm of BMAL1, CLOCK and Nrf2 genes in the kidney were disordered in RDN groups, while renal pathological and functional indexes did not change significantly. Compared with IR groups, renal pathological and functional indexes were significantly higher in the DIR groups, as well as oxidative stress and inflammation in renal tissues. The nocturnal IR injury in the RDN kidney was the worst while the BMAL1, Nrf2 and HO-1 expressions were the highest. In DIR groups, renal injury was aggravated after the Brusatol treatment, but there was no significant improvement after the t-BHQ treatment at night, which might be consistent with the changes of Nrf2 and HO-1 protein expressions. CONCLUSION RDN lead to the disruption of BMAL1-mediated Nrf2 rhythm accumulation in the kidney, which reduced the renal ability to resist oxidative stress and inflammation, due to the impaired effect of activating Nrf2/ARE pathway in renal IR injury at nighttime.
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Affiliation(s)
- Chong Dong
- Organ Transplantation Center, Tianjin First Central Hospital, Tianjin, China; Tianjin Key Laboratory for Organ Transplantation, Tianjin, China
| | - Jing Li
- Department of Cardiothoracic Surgery, University Medical Center Regensburg, Franz-Josef-Strauss-Allee, 1193053, Regensburg, Germany
| | - Qiao Tang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yifei Wang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Cheng Zeng
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Li Du
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qian Sun
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China.
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Cunningham PS, Kitchen GB, Jackson C, Papachristos S, Springthorpe T, van Dellen D, Gibbs J, Felton TW, Wilson AJ, Bannard-Smith J, Rutter MK, House T, Dark P, Augustine T, Akman OE, Hazel AL, Blaikley JF. ClinCirc identifies alterations of the circadian peripheral oscillator in critical care patients. J Clin Invest 2023; 133:e162775. [PMID: 36538377 PMCID: PMC9927929 DOI: 10.1172/jci162775] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022] Open
Abstract
BackgroundAssessing circadian rhythmicity from infrequently sampled data is challenging; however, these types of data are often encountered when measuring circadian transcripts in hospitalized patients.MethodsWe present ClinCirc. This method combines 2 existing mathematical methods (Lomb-Scargle periodogram and cosinor) sequentially and is designed to measure circadian oscillations from infrequently sampled clinical data. The accuracy of this method was compared against 9 other methods using simulated and frequently sampled biological data. ClinCirc was then evaluated in 13 intensive care unit (ICU) patients as well as in a separate cohort of 29 kidney-transplant recipients. Finally, the consequences of circadian alterations were investigated in a retrospective cohort of 726 kidney-transplant recipients.ResultsClinCirc had comparable performance to existing methods for analyzing simulated data or clock transcript expression of healthy volunteers. It had improved accuracy compared with the cosinor method in evaluating circadian parameters in PER2:luc cell lines. In ICU patients, it was the only method investigated to suggest that loss of circadian oscillations in the peripheral oscillator was associated with inflammation, a feature widely reported in animal models. Additionally, ClinCirc was able to detect other circadian alterations, including a phase shift following kidney transplantation that was associated with the administration of glucocorticoids. This phase shift could explain why a significant complication of kidney transplantation (delayed graft dysfunction) oscillates according to the time of day kidney transplantation is performed.ConclusionClinCirc analysis of the peripheral oscillator reveals important clinical associations in hospitalized patients.FundingUK Research and Innovation (UKRI), National Institute of Health Research (NIHR), Engineering and Physical Sciences Research Council (EPSRC), National Institute on Academic Anaesthesia (NIAA), Asthma+Lung UK, Kidneys for Life.
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Affiliation(s)
- Peter S. Cunningham
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Gareth B. Kitchen
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
- Manchester Royal Infirmary, Manchester University NHS Foundation Trust (MFT), Manchester, United Kingdom
| | - Callum Jackson
- Department of Mathematics, University of Manchester, Manchester, United Kingdom
| | - Stavros Papachristos
- Manchester Royal Infirmary, Manchester University NHS Foundation Trust (MFT), Manchester, United Kingdom
| | - Thomas Springthorpe
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - David van Dellen
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
- Manchester Royal Infirmary, Manchester University NHS Foundation Trust (MFT), Manchester, United Kingdom
| | - Julie Gibbs
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Timothy W. Felton
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
- Wythenshawe Hospital, MFT, Manchester, United Kingdom
| | - Anthony J. Wilson
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
- Manchester Royal Infirmary, Manchester University NHS Foundation Trust (MFT), Manchester, United Kingdom
| | - Jonathan Bannard-Smith
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
- Manchester Royal Infirmary, Manchester University NHS Foundation Trust (MFT), Manchester, United Kingdom
| | - Martin K. Rutter
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
- Manchester Royal Infirmary, Manchester University NHS Foundation Trust (MFT), Manchester, United Kingdom
| | - Thomas House
- Department of Mathematics, University of Manchester, Manchester, United Kingdom
| | - Paul Dark
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
- Northern Care Alliance NHS Foundation Trust (Salford Care Organisation), Salford, United Kingdom
| | - Titus Augustine
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
- Manchester Royal Infirmary, Manchester University NHS Foundation Trust (MFT), Manchester, United Kingdom
| | - Ozgur E. Akman
- School of Mathematics, University of Exeter, Exeter, United Kingdom
| | - Andrew L. Hazel
- Department of Mathematics, University of Manchester, Manchester, United Kingdom
| | - John F. Blaikley
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
- Wythenshawe Hospital, MFT, Manchester, United Kingdom
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