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Park I, Choi M, Kim J, Jang S, Kim D, Kim J, Choe Y, Geum D, Yu SW, Choi JW, Moon C, Choe HK, Son GH, Kim K. Role of the circadian nuclear receptor REV-ERBα in dorsal raphe serotonin synthesis in mood regulation. Commun Biol 2024; 7:998. [PMID: 39147805 PMCID: PMC11327353 DOI: 10.1038/s42003-024-06647-y] [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: 11/06/2023] [Accepted: 07/29/2024] [Indexed: 08/17/2024] Open
Abstract
Affective disorders are frequently associated with disrupted circadian rhythms. The existence of rhythmic secretion of central serotonin (5-hydroxytryptamine, 5-HT) pattern has been reported; however, the functional mechanism underlying the circadian control of 5-HTergic mood regulation remains largely unknown. Here, we investigate the role of the circadian nuclear receptor REV-ERBα in regulating tryptophan hydroxylase 2 (Tph2), the rate-limiting enzyme of 5-HT synthesis. We demonstrate that the REV-ERBα expressed in dorsal raphe (DR) 5-HTergic neurons functionally competes with PET-1-a nuclear activator crucial for 5-HTergic neuron development. In mice, genetic ablation of DR 5-HTergic REV-ERBα increases Tph2 expression, leading to elevated DR 5-HT levels and reduced depression-like behaviors at dusk. Further, pharmacological manipulation of the mice DR REV-ERBα activity increases DR 5-HT levels and affects despair-related behaviors. Our findings provide valuable insights into the molecular and cellular link between the circadian rhythm and the mood-controlling DR 5-HTergic systems.
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Affiliation(s)
- Inah Park
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
- Convergence Research Advanced Centre for Olfaction, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
| | - Mijung Choi
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
- Convergence Research Advanced Centre for Olfaction, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
| | - Jeongah Kim
- Department of Anatomy, College of Medicine, Korea University, Seoul, 02841, Republic of Korea
| | - Sangwon Jang
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
- Convergence Research Advanced Centre for Olfaction, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
| | - Doyeon Kim
- Program in Neurosciences & Mental Health, The Hospital for Sick Children, Toronto, ON, M5G 1X8, Canada
| | - Jihoon Kim
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
| | - Youngshik Choe
- Korea Brain Research Institute (KBRI), Daegu, 41062, Republic of Korea
| | - Dongho Geum
- Department of Biomedical Sciences, College of Medicine, Korea University, Seoul, 02841, Republic of Korea
| | - Seong-Woon Yu
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
| | - Ji-Woong Choi
- Department of Electrical Engineering and Computer Science, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
| | - Cheil Moon
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
- Convergence Research Advanced Centre for Olfaction, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
| | - Han Kyoung Choe
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
- Convergence Research Advanced Centre for Olfaction, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
| | - Gi Hoon Son
- Department of Biomedical Sciences, College of Medicine, Korea University, Seoul, 02841, Republic of Korea
- Department of Legal Medicine, College of Medicine, Korea University, Seoul, 02841, Republic of Korea
| | - Kyungjin Kim
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea.
- Convergence Research Advanced Centre for Olfaction, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea.
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Kim BH, Joo Y, Kim MS, Choe HK, Tong Q, Kwon O. Effects of Intermittent Fasting on the Circulating Levels and Circadian Rhythms of Hormones. Endocrinol Metab (Seoul) 2021; 36:745-756. [PMID: 34474513 PMCID: PMC8419605 DOI: 10.3803/enm.2021.405] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 08/04/2021] [Indexed: 01/09/2023] Open
Abstract
Intermittent fasting has become an increasingly popular strategy in losing weight and associated reduction in obesity-related medical complications. Overwhelming studies support metabolic improvements from intermittent fasting in blood glucose levels, cardiac and brain function, and other health benefits, in addition to weight loss. However, concerns have also been raised on side effects including muscle loss, ketosis, and electrolyte imbalance. Of particular concern, the effect of intermittent fasting on hormonal circadian rhythms has received little attention. Given the known importance of circadian hormonal changes to normal physiology, potential detrimental effects by dysregulation of hormonal changes deserve careful discussions. In this review, we describe the changes in circadian rhythms of hormones caused by intermittent fasting. We covered major hormones commonly pathophysiologically involved in clinical endocrinology, including insulin, thyroid hormones, and glucocorticoids. Given that intermittent fasting could alter both the level and frequency of hormone secretion, decisions on practicing intermittent fasting should take more considerations on potential detrimental consequences versus beneficial effects pertaining to individual health conditions.
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Affiliation(s)
- Bo Hye Kim
- Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul,
Korea
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul,
Korea
| | - Yena Joo
- Seoul National University College of Medicine, Seoul,
Korea
| | - Min-Seon Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Diabetes Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
| | - Han Kyoung Choe
- Department of Brain and Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu,
Korea
| | - Qingchun Tong
- Brown Institute of Molecular Medicine and Department of Neurobiology and Anatomy, McGovern Medical School of UTHealth, and MD Anderson Cancer Center & UTHealth Graduate School of Biomedical Sciences, Houston, TX,
USA
| | - Obin Kwon
- Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul,
Korea
- Genomic Medicine Institute, Medical Research Center, Seoul National University, Seoul,
Korea
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul,
Korea
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Vázquez-Martínez O, Méndez I, Turrubiate I, Valente-Godínez H, Pérez-Mendoza M, García-Tejada P, Díaz-Muñoz M. Restricted feeding modulates the daily variations of liver glutamate dehydrogenase activity, expression, and histological location. Exp Biol Med (Maywood) 2017; 242:945-952. [PMID: 28440738 PMCID: PMC5407590 DOI: 10.1177/1535370217699533] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 02/11/2017] [Indexed: 02/05/2023] Open
Abstract
Glutamate dehydrogenase is an important enzyme in the hepatic regulation of nitrogen and energy metabolism. It catalyzes one of the most relevant anaplerotic reactions. Although its relevance in liver homeostasis has been widely described, its daily pattern and responsiveness to restricted feeding protocols has not been studied. We explored the daily variations of liver glutamate dehydrogenase transcription, protein, activity, and histochemical and subcellular location in a protocol of daytime food synchronization in rats. Restricted feeding involved food access for 2 h each day for three weeks. Control groups included food ad libitum as well as acute fasting (21 h fasting) and refeeding (22 h fasting followed by 2 h of food access). Glutamate dehydrogenase mRNA, protein, activity, and histological location were measured every 3 h by qPCR, Western blot, spectrophotometry, and immunohistochemistry, respectively, to generate 24-h profiles. Restricted feeding promoted higher levels of mitochondrial glutamate dehydrogenase protein and activity, as well as a loss of 24-h rhythmicity, in comparison to ad libitum conditions. The rhythmicity of glutamate dehydrogenase activity detected in serum was changed. The data demonstrated that daytime restricted feeding enhanced glutamate dehydrogenase protein and activity levels in liver mitochondria, changed the rhythmicity of its mRNA and serum activity, but without effect in its expression in hepatocytes surrounding central and portal veins. These results could be related to the adaptation in nitrogen and energy metabolism that occurs in the liver during restricted feeding and the concomitant expression of the food entrainable oscillator. Impact statement For the first time, we are reporting the changes in daily rhythmicity of glutamate dehydrogenase (GDH) mRNA, protein and activity that occur in the liver during the expression of the food entrained oscillator (FEO). These results are part of the metabolic adaptations that modulate the hepatic timing system when the protocol of daytime restricted feeding is applied. As highlight, it was demonstrated higher GDH protein and activity in the mitochondrial fraction. These results contribute to a better understanding of the influence of the FEO in the energy and nitrogen handling in the liver. They could also be significant in the pathophysiology of hepatic diseases related with circadian abnormalities.
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Affiliation(s)
- Olivia Vázquez-Martínez
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Querétaro 76230, QRO, México
| | - Isabel Méndez
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Querétaro 76230, QRO, México
| | - Isaías Turrubiate
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Querétaro 76230, QRO, México
| | - Héctor Valente-Godínez
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Querétaro 76230, QRO, México
| | - Moisés Pérez-Mendoza
- Facultad de Ciencias, Unidad Multidisciplinaria de Docencia e Investigación, Campus UNAM-Juriquilla, Querétaro 76230, QRO, México
| | - Paola García-Tejada
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Querétaro 76230, QRO, México
| | - Mauricio Díaz-Muñoz
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Querétaro 76230, QRO, México
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Chang X, Wang S, Bao YR, Li TJ, Yu XM, Meng XS. Multicomponent, multitarget integrated adjustment - Metabolomics study of Qizhiweitong particles curing gastrointestinal motility disorders in mice induced by atropine. JOURNAL OF ETHNOPHARMACOLOGY 2016; 189:14-21. [PMID: 27180317 DOI: 10.1016/j.jep.2016.05.024] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 05/10/2016] [Accepted: 05/10/2016] [Indexed: 06/05/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Qizhiweitong particles (QZWT) which is derived from the Sinisan decoction in Shang Han Za Bing Lun, composed of Bupleurum chinenis, Paeonia obovata, Citrus aurantium L., Glycyrrhiza uralensis Fisch., Cyperus rotundus and Rhizoma Corydalis is a traditional Chinese medicine (TCM) treating gastrointestinal diseases. It have been used in clinical for years. It have been used in clinical for years. According to previous research, Bupleurum chinenis, Citrus aurantium, Cyperus rotundus in QZWT play the role of promoting gastric peristalsis, which consist of complex chemical constituents. The aim of this study is to probe the multiple effective components with gastrointestinal prokinetic efficacy in QZWT and investigate the multitarget integrated adjustment mechanism of QZWT curing atropine-induced gastrointestinal motility dysfunction mice. MATERIALS AND METHODS One hundred and thirty two male mice were randomly divided into 11 groups, including control group, model group, Domperidone group, Mosapride group, QZWT group and six components groups. With gastric retention rate, rate of small intestine propulsion, serum content of GAS and MTL as indexes to evaluate the curing effect on gastrointestinal movement disorders caused by atropine in mice. A serum metabonomics method based on the ultra-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UPLC-QTOF-MS) had been established to investigate the mechanism of QZWT and these components, and PCA and PLS-DA have been used to distinguish different groups and found potential biomarkers. RESULTS Four components from six present good prokinetic effects, including Bupleurum Polysaccharide, Citrus aurantium flavonoid, Citrus aurantium essential oil and Cyperus rotundus flavonoids. These components and QZWT regulate 5 potential biomarkers in the body, and primarily involved in 5 metabolic pathways. These potential biomarkers possess direct or indirect connections, each biomarker regulated by multiple components, each component adjusting multiple targets, and QZWT is nearly the sum of its components. CONCLUSIONS This experiment deepened our understanding of insufficient gastrointestinal dynamics, confirmed that QZWT treating gastrointestinal disorders was through multicomponent, multitarget ways. These results fully reflect the multiple targets synergy characteristics of TCM.
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Affiliation(s)
- Xin Chang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China.
| | - Shuai Wang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China; Component Medicine Engineering Research Center of Liaoning Province, Dalian 116600, China; Liaoning Province Modern Chinese Medicine Research Engineering Laboratory, Dalian 116600, China
| | - Yong-Rui Bao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China; Component Medicine Engineering Research Center of Liaoning Province, Dalian 116600, China; Liaoning Province Modern Chinese Medicine Research Engineering Laboratory, Dalian 116600, China
| | - Tian-Jiao Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China; Component Medicine Engineering Research Center of Liaoning Province, Dalian 116600, China; Liaoning Province Modern Chinese Medicine Research Engineering Laboratory, Dalian 116600, China
| | - Xiao-Meng Yu
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China
| | - Xian-Sheng Meng
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China; Component Medicine Engineering Research Center of Liaoning Province, Dalian 116600, China; Liaoning Province Modern Chinese Medicine Research Engineering Laboratory, Dalian 116600, China.
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