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Johanns M, Haas JT, Raverdy V, Vandel J, Chevalier-Dubois J, Guille L, Derudas B, Legendre B, Caiazzo R, Verkindt H, Gnemmi V, Leteurtre E, Derhourhi M, Bonnefond A, Froguel P, Eeckhoute J, Lassailly G, Mathurin P, Pattou F, Staels B, Lefebvre P. Time-of-day-dependent variation of the human liver transcriptome and metabolome is disrupted in MASLD. JHEP Rep 2024; 6:100948. [PMID: 38125300 PMCID: PMC10730870 DOI: 10.1016/j.jhepr.2023.100948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 10/12/2023] [Accepted: 10/14/2023] [Indexed: 12/23/2023] Open
Abstract
Background & Aims Liver homeostasis is ensured in part by time-of-day-dependent processes, many of them being paced by the molecular circadian clock. Liver functions are compromised in metabolic dysfunction-associated steatotic liver disease (MASLD) and metabolic dysfunction-associated steatohepatitis (MASH), and clock disruption increases susceptibility to MASLD progression in rodent models. We therefore investigated whether the time-of-day-dependent transcriptome and metabolome are significantly altered in human steatotic and MASH livers. Methods Liver biopsies, collected within an 8 h-window from a carefully phenotyped cohort of 290 patients and histologically diagnosed to be either normal, steatotic or MASH hepatic tissues, were analyzed by RNA sequencing and unbiased metabolomic approaches. Time-of-day-dependent gene expression patterns and metabolomes were identified and compared between histologically normal, steatotic and MASH livers. Results Herein, we provide a first-of-its-kind report of a daytime-resolved human liver transcriptome-metabolome and associated alterations in MASLD. Transcriptomic analysis showed a robustness of core molecular clock components in steatotic and MASH livers. It also revealed stage-specific, time-of-day-dependent alterations of hundreds of transcripts involved in cell-to-cell communication, intracellular signaling and metabolism. Similarly, rhythmic amino acid and lipid metabolomes were affected in pathological livers. Both TNFα and PPARγ signaling were predicted as important contributors to altered rhythmicity. Conclusion MASLD progression to MASH perturbs time-of-day-dependent processes in human livers, while the differential expression of core molecular clock components is maintained. Impact and implications This work characterizes the rhythmic patterns of the transcriptome and metabolome in the human liver. Using a cohort of well-phenotyped patients (n = 290) for whom the time-of-day at biopsy collection was known, we show that time-of-day variations observed in histologically normal livers are gradually perturbed in liver steatosis and metabolic dysfunction-associated steatohepatitis. Importantly, these observations, albeit obtained across a restricted time window, provide further support for preclinical studies demonstrating alterations of rhythmic patterns in diseased livers. On a practical note, this study indicates the importance of considering time-of-day as a critical biological variable which may significantly affect data interpretation in animal and human studies of liver diseases.
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Affiliation(s)
- Manuel Johanns
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR1011-EGID, F-59000 Lille, France
| | - Joel T. Haas
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR1011-EGID, F-59000 Lille, France
| | - Violetta Raverdy
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR1190-EGID, F-59000 Lille, France
| | - Jimmy Vandel
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR1011-EGID, F-59000 Lille, France
| | - Julie Chevalier-Dubois
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR1011-EGID, F-59000 Lille, France
| | - Loic Guille
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR1011-EGID, F-59000 Lille, France
| | - Bruno Derudas
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR1011-EGID, F-59000 Lille, France
| | - Benjamin Legendre
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR1190-EGID, F-59000 Lille, France
| | - Robert Caiazzo
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR1190-EGID, F-59000 Lille, France
| | - Helene Verkindt
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR1190-EGID, F-59000 Lille, France
| | | | | | - Mehdi Derhourhi
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR 1283/8199-EGID, F-59000 Lille, France
| | - Amélie Bonnefond
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR 1283/8199-EGID, F-59000 Lille, France
- Department of Metabolism, Imperial College London; London, United Kingdom
| | - Philippe Froguel
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR 1283/8199-EGID, F-59000 Lille, France
- Department of Metabolism, Imperial College London; London, United Kingdom
| | - Jérôme Eeckhoute
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR1011-EGID, F-59000 Lille, France
| | | | | | - François Pattou
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR1190-EGID, F-59000 Lille, France
| | - Bart Staels
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR1011-EGID, F-59000 Lille, France
| | - Philippe Lefebvre
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, UMR1011-EGID, F-59000 Lille, France
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Thompson M, Hill BL, Rakocz N, Chiang JN, Geschwind D, Sankararaman S, Hofer I, Cannesson M, Zaitlen N, Halperin E. Methylation risk scores are associated with a collection of phenotypes within electronic health record systems. NPJ Genom Med 2022; 7:50. [PMID: 36008412 PMCID: PMC9411568 DOI: 10.1038/s41525-022-00320-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 07/18/2022] [Indexed: 12/20/2022] Open
Abstract
Inference of clinical phenotypes is a fundamental task in precision medicine, and has therefore been heavily investigated in recent years in the context of electronic health records (EHR) using a large arsenal of machine learning techniques, as well as in the context of genetics using polygenic risk scores (PRS). In this work, we considered the epigenetic analog of PRS, methylation risk scores (MRS), a linear combination of methylation states. We measured methylation across a large cohort (n = 831) of diverse samples in the UCLA Health biobank, for which both genetic and complete EHR data are available. We constructed MRS for 607 phenotypes spanning diagnoses, clinical lab tests, and medication prescriptions. When added to a baseline set of predictive features, MRS significantly improved the imputation of 139 outcomes, whereas the PRS improved only 22 (median improvement for methylation 10.74%, 141.52%, and 15.46% in medications, labs, and diagnosis codes, respectively, whereas genotypes only improved the labs at a median increase of 18.42%). We added significant MRS to state-of-the-art EHR imputation methods that leverage the entire set of medical records, and found that including MRS as a medical feature in the algorithm significantly improves EHR imputation in 37% of lab tests examined (median R2 increase 47.6%). Finally, we replicated several MRS in multiple external studies of methylation (minimum p-value of 2.72 × 10−7) and replicated 22 of 30 tested MRS internally in two separate cohorts of different ethnicity. Our publicly available results and weights show promise for methylation risk scores as clinical and scientific tools.
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Affiliation(s)
- Mike Thompson
- Department of Computer Science, University of California Los Angeles, Los Angeles, CA, USA.
| | - Brian L Hill
- Department of Computer Science, University of California Los Angeles, Los Angeles, CA, USA.
| | - Nadav Rakocz
- Department of Computer Science, University of California Los Angeles, Los Angeles, CA, USA
| | - Jeffrey N Chiang
- Department of Computational Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Daniel Geschwind
- Institute of Precision Health, University of California Los Angeles, Los Angeles, CA, USA
| | - Sriram Sankararaman
- Department of Computer Science, University of California Los Angeles, Los Angeles, CA, USA.,Department of Computational Medicine, University of California Los Angeles, Los Angeles, CA, USA.,Department of Human Genetics, University of California Los Angeles, Los Angeles, CA, USA
| | - Ira Hofer
- Department of Anesthesiology and Perioperative Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Maxime Cannesson
- Department of Anesthesiology and Perioperative Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Noah Zaitlen
- Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA
| | - Eran Halperin
- Department of Computer Science, University of California Los Angeles, Los Angeles, CA, USA. .,Department of Computational Medicine, University of California Los Angeles, Los Angeles, CA, USA. .,Department of Human Genetics, University of California Los Angeles, Los Angeles, CA, USA. .,Department of Anesthesiology and Perioperative Medicine, University of California Los Angeles, Los Angeles, CA, USA.
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Bragazzi NL, Trabelsi K, Garbarino S, Ammar A, Chtourou H, Pacifico A, Malagoli P, Kocic H, Conic RRZ, Kridin K, Pigatto PDM, Damiani G. Can intermittent, time-restricted circadian fasting modulate cutaneous severity of dermatological disorders? Insights from a multicenter, observational, prospective study. Dermatol Ther 2021; 34:e14912. [PMID: 33629451 DOI: 10.1111/dth.14912] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 02/07/2021] [Accepted: 02/19/2021] [Indexed: 12/19/2022]
Abstract
The impact of intermittent circadian fasting (ICF) on skin disorders is far to be plenty deciphered. However, the circadian rhythm seems to exert a modulation on dermatoses severity, drug-response, and drug-related side effects. We aimed to evaluate ICF effect in the daily management of dermatological diseases. In this multicenter, prospective observational study we enrolled patients willing to undergo the 2018 ICF (from May 16 to June 14). Dermatoses severity were evaluated at the beginning of ICF (T0) and at the end of ICF (T1) by two independent board-certified dermatologists. Seventy-two patients suffering from different dermatoses volunteered to take part into the study. They displayed a mean age of 40.38 ± 12.46 years (median 41.0 years), 25 subjects were males (34.7% of the entire sample). The median weight change was 0 kg. The overall ICF effect size was -0.58 ([95% CI -0.83 to -0.33], P < .0001, medium effect size). Since in the present investigation no weight loss occurred, we could speculate that the impact of fasting in terms of improvements in the clinical symptoms could be rather due to the perturbation of the human biological clock. Despite our data remain preliminary, a chronobiological approach should be incorporated in the dermatological armamentarium.
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Affiliation(s)
- Nicola Luigi Bragazzi
- Department of Health Sciences (DISSAL), Postgraduate School of Public Health, University of Genoa, Genoa, Italy.,Department of Mathematics and Statistics, Laboratory for Industrial and Applied Mathematics, York University, Toronto, Ontario, Canada.,Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal/Child Sciences, University of Genoa, Polyclinic Hospital San Martino IRCCS, Genoa, Italy
| | - Khaled Trabelsi
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Sergio Garbarino
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal/Child Sciences, University of Genoa, Polyclinic Hospital San Martino IRCCS, Genoa, Italy
| | - Achraf Ammar
- Institute of Sport Science, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
| | - Hamdi Chtourou
- Institut Supérieur du Sport et de l'Education Physique de Sfax, Université de Sfax, Sfax, Tunisia.,Activité Physique, Sport et Santé, UR18JS01, Observatoire National du Sport, Tunis, Tunisia
| | - Alessia Pacifico
- Clinical Dermatology Department, San Gallicano Dermatological Institute, IRCCS, Rome, Italy
| | | | - Hristina Kocic
- Department of Dermatology, University of Nis, Nis, Serbia
| | - Rosalynn R Z Conic
- Department of Dermatology, Case Western Reserve University, Cleveland, Ohio, USA
| | | | - Khalaf Kridin
- Department of Experimental Dermatology, Lubeck Institute, University of Lübeck, Lübeck, Germany
| | - Paolo Daniele Maria Pigatto
- Clinical Dermatology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy.,Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Giovanni Damiani
- Clinical Dermatology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy.,Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
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Salwa H, Nair PMK. Raising burden of non-communicable diseases: importance of integrating Yoga and Naturopathy at primary care level. JOURNAL OF COMPLEMENTARY & INTEGRATIVE MEDICINE 2020; 18:271-278. [PMID: 32745069 DOI: 10.1515/jcim-2017-0019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Accepted: 04/18/2020] [Indexed: 11/15/2022]
Abstract
Primary health care is a vital component in health care delivery. Non-communicable diseases (NCD's) are rising like a major threat to human survival, which is expected to account for 75% of the total mortality by 2030. Lifestyle and behavioural changes are reckoned as the way ahead. Yoga and Naturopathy, a drugless system of medicine has intersecting paradigms which addresses all planes of health effectively. Yoga and Naturopathy through its holistic approach educate and make the people responsible for their own health. It has shown its efficacy in alleviating and preventing various NCD's. A systematic approach should be initiated, which can channelize the integration of Yoga and Naturopathy at the primary care level considering its cost-effectiveness and efficacy over NCD's.
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Affiliation(s)
- Hyndavi Salwa
- Research Officer, National Institute of Naturopathy, Government of India, Pune, India
| | - Pradeep M K Nair
- Director, Indian Academy for Scientific Writing and Research, Pune, India
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Influence of Long-Term Fasting on Blood Redox Status in Humans. Antioxidants (Basel) 2020; 9:antiox9060496. [PMID: 32517172 PMCID: PMC7346198 DOI: 10.3390/antiox9060496] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 05/14/2020] [Accepted: 06/04/2020] [Indexed: 12/11/2022] Open
Abstract
Fasting is increasingly practiced to improve health and general well-being, as well as for its cytoprotective effects. Changes in blood redox status, linked to the development of a variety of metabolic diseases, have been recently documented during calorie restriction and intermittent fasting, but not with long-term fasting (LF). We investigated some parameters of the blood redox profile in 109 subjects before and after a 10-day fasting period. Fasting resulted in a significant reduction in body weight, improved well-being and had a beneficial modulating effect on blood lipids and glucose regulation. We observed that fasting decreased lipid peroxidation (TBARS) and increased total antioxidant capacity (TAC) in plasma, concomitant with a uric acid elevation, known to be associated with fasting and did not cause gout attacks. Reduced glutathione (GSH), glutathione reductase (GR), glutathione peroxidase (GPx) and catalase in erythrocytes did not show significant changes. In addition, reduction in body weight, waist circumference, and glucose levels were associated to a reduced lipid peroxidation. Similar results were obtained by grouping subjects on the basis of the changes in their GSH levels, showing that a period of 10 days fasting improves blood redox status regardless of GSH status in the blood.
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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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