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Lin Y, He L, Cai Y, Wang X, Wang S, Li F. The role of circadian clock in regulating cell functions: implications for diseases. MedComm (Beijing) 2024; 5:e504. [PMID: 38469551 PMCID: PMC10925886 DOI: 10.1002/mco2.504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 01/28/2024] [Accepted: 01/30/2024] [Indexed: 03/13/2024] Open
Abstract
The circadian clock system orchestrates daily behavioral and physiological rhythms, facilitating adaptation to environmental and internal oscillations. Disruptions in circadian rhythms have been linked to increased susceptibility to various diseases and can exacerbate existing conditions. This review delves into the intricate regulation of diurnal gene expression and cell function by circadian clocks across diverse tissues. . Specifically, we explore the rhythmicity of gene expressions, behaviors, and functions in both immune and non-immune cells, elucidating the regulatory effects and mechanisms imposed by circadian clocks. A detailed discussion is centered on elucidating the complex functions of circadian clocks in regulating key cellular signaling pathways. We further review the circadian regulation in diverse diseases, with a focus on inflammatory diseases, cancers, and systemic diseases. By highlighting the intimate interplay between circadian clocks and diseases, especially through clock-controlled cell function, this review contributes to the development of novel disease intervention strategies. This enhanced understanding holds significant promise for the design of targeted therapies that can exploit the circadian regulation mechanisms for improved treatment efficacy.
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Affiliation(s)
- Yanke Lin
- Infectious Diseases InstituteGuangzhou Eighth People's HospitalGuangzhou Medical UniversityGuangzhouChina
- Guangdong TCRCure Biopharma Technology Co., Ltd.GuangzhouChina
| | | | - Yuting Cai
- School of Pharmaceutical SciencesGuangzhou University of Chinese MedicineGuangzhouChina
| | - Xiaokang Wang
- Department of PharmacyShenzhen Longhua District Central HospitalShenzhenChina
| | - Shuai Wang
- School of Pharmaceutical SciencesGuangzhou University of Chinese MedicineGuangzhouChina
| | - Feng Li
- Infectious Diseases InstituteGuangzhou Eighth People's HospitalGuangzhou Medical UniversityGuangzhouChina
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2
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Ozcelik G, Koca MS, Sunbul B, Yilmaz-Atay F, Demirhan F, Tiryaki B, Cilenk K, Selvi S, Ozturk N. Interactions of drosophila cryptochrome. Photochem Photobiol 2024. [PMID: 38314442 DOI: 10.1111/php.13916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 01/20/2024] [Accepted: 01/23/2024] [Indexed: 02/06/2024]
Abstract
In this study, we investigate the intricate regulatory mechanisms underlying the circadian clock in Drosophila, focusing on the light-induced conformational changes in the cryptochrome (DmCry). Upon light exposure, DmCry undergoes conformational changes that prompt its binding to Timeless and Jetlag proteins, initiating a cascade crucial for the starting of a new circadian cycle. DmCry is subsequently degraded, contributing to the desensitization of the resetting mechanism. The transient and short-lived nature of DmCry protein-protein interactions (PPIs), leading to DmCry degradation within an hour of light exposure, presents a challenge for comprehensive exploration. To address this, we employed proximity-dependent biotinylation techniques, combining engineered BioID (TurboID) and APEX (APEX2) enzymes with mass spectrometry. This approach enabled the identification of the in vitro DmCry interactome in Drosophila S2 cells, uncovering several novel PPIs associated with DmCry. Validation of these interactions through a novel co-immunoprecipitation technique enhances the reliability of our findings. Importantly, our study suggests the potential of this method to reveal additional circadian clock- or magnetic field-dependent PPIs involving DmCry. This exploration of the DmCry interactome not only advances our understanding of circadian clock regulation but also establishes a versatile framework for future investigations into light- and time-dependent protein interactions in Drosophila.
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Affiliation(s)
- Gozde Ozcelik
- Department of Molecular Biology and Genetics, Gebze Technical University, Gebze, Kocaeli, Turkey
| | - Mehmet Serdar Koca
- Department of Molecular Biology and Genetics, Gebze Technical University, Gebze, Kocaeli, Turkey
| | - Buket Sunbul
- Department of Molecular Biology and Genetics, Gebze Technical University, Gebze, Kocaeli, Turkey
| | - Fatma Yilmaz-Atay
- Department of Molecular Biology and Genetics, Gebze Technical University, Gebze, Kocaeli, Turkey
| | - Feride Demirhan
- Department of Molecular Biology and Genetics, Gebze Technical University, Gebze, Kocaeli, Turkey
| | - Busra Tiryaki
- Department of Molecular Biology and Genetics, Gebze Technical University, Gebze, Kocaeli, Turkey
| | - Kevser Cilenk
- Department of Molecular Biology and Genetics, Gebze Technical University, Gebze, Kocaeli, Turkey
| | - Saba Selvi
- Department of Molecular Biology and Genetics, Gebze Technical University, Gebze, Kocaeli, Turkey
| | - Nuri Ozturk
- Department of Molecular Biology and Genetics, Gebze Technical University, Gebze, Kocaeli, Turkey
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3
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Surme S, Ergun C, Gul S, Akyel YK, Gul ZM, Ozcan O, Ipek OS, Akarlar BA, Ozlu N, Taskin AC, Turkay M, Gören AC, Baris I, Ozturk N, Guzel M, Aydin C, Okyar A, Kavakli IH. TW68, cryptochromes stabilizer, regulates fasting blood glucose levels in diabetic ob/ob and high fat-diet-induced obese mice. Biochem Pharmacol 2023; 218:115896. [PMID: 37898388 DOI: 10.1016/j.bcp.2023.115896] [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: 07/10/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 10/30/2023]
Abstract
Cryptochromes (CRYs), transcriptional repressors of the circadian clock in mammals, inhibit cAMP production when glucagon activates G-protein coupled receptors. Therefore, molecules that modulate CRYs have the potential to regulate gluconeogenesis. In this study, we discovered a new molecule called TW68 that interacts with the primary pockets of mammalian CRY1/2, leading to reduced ubiquitination levels and increased stability. In cell-based circadian rhythm assays using U2OS Bmal1-dLuc cells, TW68 extended the period length of the circadian rhythm. Additionally, TW68 decreased the transcriptional levels of two genes, Phosphoenolpyruvate carboxykinase 1 (PCK1) and Glucose-6-phosphatase (G6PC), which play crucial roles in glucose biosynthesis during glucagon-induced gluconeogenesis in HepG2 cells. Oral administration of TW68 in mice showed good tolerance, a good pharmacokinetic profile, and remarkable bioavailability. Finally, when administered to fasting diabetic animals from ob/ob and HFD-fed obese mice, TW68 reduced blood glucose levels by enhancing CRY stabilization and subsequently decreasing the transcriptional levels of Pck1 and G6pc. These findings collectively demonstrate the antidiabetic efficacy of TW68 in vivo, suggesting its therapeutic potential for controlling fasting glucose levels in the treatment of type 2 diabetes mellitus.
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Affiliation(s)
- Saliha Surme
- Department of Molecular Biology and Genetics, Koc University, Rumelifeneri Yolu, Istanbul, Türkiye
| | - Cagla Ergun
- Department of Chemical and Biological Engineering, Koc University, Rumelifeneri Yolu, Istanbul, Türkiye
| | - Seref Gul
- Istanbul University, Department of Biology, Biotechnology Division, TR-34116 Beyazit-İstanbul, Türkiye; Current address: Bezmialem Vakif University, Institute of Life Sciences and Biotechnology, Beykoz, Istanbul, Türkiye
| | - Yasemin Kubra Akyel
- Istanbul Medipol University, School of Medicine, Department of Medical Pharmacology, İstanbul, Türkiye; Istanbul University, Faculty of Pharmacy Department of Pharmacology, TR-34116 Beyazit-İstanbul, Türkiye
| | - Zeynep Melis Gul
- Department of Molecular Biology and Genetics, Koc University, Rumelifeneri Yolu, Istanbul, Türkiye
| | - Onur Ozcan
- Department of Molecular Biology and Genetics, Koc University, Rumelifeneri Yolu, Istanbul, Türkiye
| | - Ozgecan Savlug Ipek
- Istanbul Medipol University, Regenerative and Restorative Medicine Research Center (REMER), Kavacik Campus, Kavacik-Beykoz/İstanbul 34810, Türkiye
| | - Busra Aytul Akarlar
- Department of Molecular Biology and Genetics, Koc University, Rumelifeneri Yolu, Istanbul, Türkiye
| | - Nurhan Ozlu
- Department of Molecular Biology and Genetics, Koc University, Rumelifeneri Yolu, Istanbul, Türkiye
| | - Ali Cihan Taskin
- Department of Laboratory Animal Science, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Türkiye
| | - Metin Turkay
- Department of Industrial Engineering, Koc University, Rumelifeneri Yolu, İstanbul, Türkiye
| | - Ahmet Ceyhan Gören
- Gebze Technical University, Department of Chemistry, Gebze, Kocaeli, Türkiye
| | - Ibrahim Baris
- Department of Molecular Biology and Genetics, Koc University, Rumelifeneri Yolu, Istanbul, Türkiye
| | - Nuri Ozturk
- Gebze Technical University, Department of Molecular Biology and Genetics, Gebze, Kocaeli, Türkiye
| | - Mustafa Guzel
- Istanbul Medipol University, Regenerative and Restorative Medicine Research Center (REMER), Kavacik Campus, Kavacik-Beykoz/İstanbul 34810, Türkiye
| | - Cihan Aydin
- Department of Molecular Biology and Genetics, Istanbul Medeniyet University, Istanbul, Türkiye
| | - Alper Okyar
- Istanbul University, Faculty of Pharmacy Department of Pharmacology, TR-34116 Beyazit-İstanbul, Türkiye
| | - Ibrahim Halil Kavakli
- Department of Molecular Biology and Genetics, Koc University, Rumelifeneri Yolu, Istanbul, Türkiye; Department of Chemical and Biological Engineering, Koc University, Rumelifeneri Yolu, Istanbul, Türkiye.
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4
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Parlak GC, Baris I, Gul S, Kavakli IH. Functional characterization of the CRY2 circadian clock component variant p.Ser420Phe revealed a new degradation pathway for CRY2. J Biol Chem 2023; 299:105451. [PMID: 37951306 PMCID: PMC10731238 DOI: 10.1016/j.jbc.2023.105451] [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: 09/14/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 11/13/2023] Open
Abstract
Cryptochromes (CRYs) are essential components of the circadian clock, playing a pivotal role as transcriptional repressors. Despite their significance, the precise mechanisms underlying CRYs' involvement in the circadian clock remain incompletely understood. In this study, we identified a rare CRY2 variant, p.Ser420Phe, from the 1000 Genomes Project and Ensembl database that is located in the functionally important coiled-coil-like helix (CC-helix) region. Functional characterization of this variant at the cellular level revealed that p.Ser420Phe CRY2 had reduced repression activity on CLOCK:BMAL1-driven transcription due to its reduced affinity to the core clock protein PER2 and defective translocation into the nucleus. Intriguingly, the CRY2 variant exhibited an unexpected resistance to degradation via the canonical proteasomal pathway, primarily due to the loss of interactions with E3 ligases (FBXL3 and FBXL21), which suggests Ser-420 of CRY2 is required for the interaction with E3 ligases. Further studies revealed that wild-type and CRY2 variants are degraded by the lysosomal-mediated degradation pathway, a mechanism not previously associated with CRY2. Surprisingly, our complementation study with Cry1-/-Cry2-/- double knockout mouse embryonic fibroblast cells indicated that the CRY2 variant caused a 7 h shorter circadian period length in contrast to the observed prolonged period length in CRY2-/- cell lines. In summary, this study reveals a hitherto unknown degradation pathway for CRY2, shedding new light on the regulation of circadian rhythm period length.
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Affiliation(s)
- Gizem Cagla Parlak
- Department of Molecular Biology and Genetics, Koc University, Istanbul, Turkiye
| | - Ibrahim Baris
- Department of Molecular Biology and Genetics, Koc University, Istanbul, Turkiye
| | - Seref Gul
- Institute of Life Sciences and Biotechnology, Bezmialem Vakif University, Beykoz, Turkiye
| | - Ibrahim Halil Kavakli
- Department of Molecular Biology and Genetics, Koc University, Istanbul, Turkiye; Department of Chemical and Biological Engineering, Koc University, Istanbul, Turkiye.
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5
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Baris I, Ozcan O, Kavakli IH. Single nucleotide polymorphisms (SNPs) in circadian genes: Impact on gene function and phenotype. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2023; 137:17-37. [PMID: 37709375 DOI: 10.1016/bs.apcsb.2023.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
Abstract
Circadian rhythm is an endogenous timing system that allows an organism to anticipate and adapt to daily changes and regulate various physiological variables such as the sleep-wake cycle. This rhythm is governed by a molecular circadian clock mechanism, generated by a transcriptional and translational feedback loop (TTFL) mechanism. In mammals, TTFL is determined by the interaction of four main clock proteins: BMAL1, CLOCK, Cryptochromes (CRY), and Periods (PER). BMAL1 and CLOCK form dimers and initiate the transcription of clock-controlled genes (CCG) by binding an E-box element with the promotor genes. Among CCGs, PERs and CRYs accumulate in the cytosol and translocate into the nucleus, where they interact with the BMAL1/CLOCK dimer and inhibit its activity. Several epidemiological and genetic studies have revealed that circadian rhythm disruption causes various types of disease. In this chapter, we summarize the effect of core clock gene SNPs on circadian rhythm and diseases in humans.
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Affiliation(s)
- Ibrahim Baris
- Department of Molecular Biology and Genetics, Koc University, Rumelifeneri Yolu, Sariyer, Istanbul, Türkiye
| | - Onur Ozcan
- Department of Molecular Biology and Genetics, Koc University, Rumelifeneri Yolu, Sariyer, Istanbul, Türkiye
| | - Ibrahim Halil Kavakli
- Department of Molecular Biology and Genetics, Koc University, Rumelifeneri Yolu, Sariyer, Istanbul, Türkiye; Department of Chemical and Biological Engineering, Koc University, Rumelifeneri Yolu, Sariyer, Istanbul, Türkiye.
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6
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Courtin C, Marie-Claire C, Gross G, Hennion V, Mundwiller E, Guégan J, Meyrel M, Bellivier F, Etain B. Gene expression of circadian genes and CIART in bipolar disorder: A preliminary case-control study. Prog Neuropsychopharmacol Biol Psychiatry 2023; 122:110691. [PMID: 36481223 DOI: 10.1016/j.pnpbp.2022.110691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 11/18/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022]
Abstract
Based on the observed circadian rhythms disruptions and sleep abnormalities in bipolar disorders (BD), a chronobiological model has been proposed suggesting that core clock genes play a central role in the vulnerability to the disorder. In this context, the analysis of circadian genes expression levels is particularly relevant, however studies focused on the whole set of core clock genes are scarce. We compared the levels of expression of 19 circadian genes (including the recently described circadian repressor (CIART)) in 37 euthymic individuals with BD and 20 healthy controls (HC), using data obtained by RNA sequencing of lymphoblastoid cell lines and validated the results using RT-qPCR. RNA sequencing data showed that CIART gene expression was correlated with those of ARNTL, ARNTL2, DBP, PER2 and TIMELESS. Data from RNA sequencing showed that the level of expression of four circadian genes (ARNTL, ARNTL2, BHLHE41 and CIART) discriminated individuals with BD from HC. We replicated this result using RT-qPCR for ARNTL and CIART. This study suggests that an imbalance between activation/repression of the transcription within the circadian system in individuals with BD as compared to HC and as such opens avenues for further research in larger independent samples combining both expression and epigenetic analyses.
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Affiliation(s)
- Cindie Courtin
- Université de Paris Cité, INSERM UMR-S 1144, Optimisation Thérapeutique en Neuropsychopharmacologie, OTeN, Paris, France
| | - Cynthia Marie-Claire
- Université de Paris Cité, INSERM UMR-S 1144, Optimisation Thérapeutique en Neuropsychopharmacologie, OTeN, Paris, France.
| | - Gregory Gross
- Pôle Hospitalo-Universitaire de Psychiatrie d'Adultes et d'Addictologie du Grand Nancy, Centre Psychothérapique de Nancy, Laxou, France; Université de Lorraine, Vandoeuvre-lès-Nancy, France
| | - Vincent Hennion
- Université de Paris Cité, INSERM UMR-S 1144, Optimisation Thérapeutique en Neuropsychopharmacologie, OTeN, Paris, France; Département de Psychiatrie et de Médecine Addictologique, Hôpitaux Lariboisière-Fernand Widal, GHU APHP.Nord - Université de Paris, Paris, France
| | | | - Justine Guégan
- Data Analysis Core platform, Institut du Cerveau - Paris Brain Institute - ICM, Sorbonne Université, Inserm, CNRS, APHP, Hôpital de la Pitié Salpêtrière, Paris, France
| | - Manon Meyrel
- Département de Psychiatrie et de Médecine Addictologique, Hôpitaux Lariboisière-Fernand Widal, GHU APHP.Nord - Université de Paris, Paris, France
| | - Frank Bellivier
- Université de Paris Cité, INSERM UMR-S 1144, Optimisation Thérapeutique en Neuropsychopharmacologie, OTeN, Paris, France; Département de Psychiatrie et de Médecine Addictologique, Hôpitaux Lariboisière-Fernand Widal, GHU APHP.Nord - Université de Paris, Paris, France
| | - Bruno Etain
- Université de Paris Cité, INSERM UMR-S 1144, Optimisation Thérapeutique en Neuropsychopharmacologie, OTeN, Paris, France; Département de Psychiatrie et de Médecine Addictologique, Hôpitaux Lariboisière-Fernand Widal, GHU APHP.Nord - Université de Paris, Paris, France
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de Assis LVM, Demir M, Oster H. The role of the circadian clock in the development, progression, and treatment of non-alcoholic fatty liver disease. Acta Physiol (Oxf) 2023; 237:e13915. [PMID: 36599410 DOI: 10.1111/apha.13915] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/25/2022] [Accepted: 01/02/2023] [Indexed: 01/06/2023]
Abstract
The circadian clock comprises a cellular endogenous timing system coordinating the alignment of physiological processes with geophysical time. Disruption of circadian rhythms has been associated with several metabolic diseases. In this review, we focus on liver as a major metabolic tissue and one of the most well-studied organs with regard to circadian regulation. We summarize current knowledge about the role of local and systemic clocks and rhythms in regulating biological functions of the liver. We discuss how the disruption of circadian rhythms influences the development of non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH). We also critically evaluate whether NAFLD/NASH may in turn result in chronodisruption. The last chapter focuses on potential roles of the clock system in prevention and treatment of NAFLD/NASH and the interaction of current NASH drug candidates with liver circadian rhythms and clocks. It becomes increasingly clear that paying attention to circadian timing may open new avenues for the optimization of NAFLD/NASH therapies and provide interesting targets for prevention and treatment of these increasingly prevalent disorders.
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Affiliation(s)
| | - Münevver Demir
- Department of Hepatology and Gastroenterology, Charité University Medicine Berlin, Berlin, Germany
| | - Henrik Oster
- Institute of Neurobiology, Center of Brain Behavior & Metabolism, University of Lübeck, Lübeck, Germany
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Tian Y, Ming J. The role of circadian rhythm in osteoporosis; a review. Front Cell Dev Biol 2022; 10:960456. [PMID: 36238690 PMCID: PMC9550872 DOI: 10.3389/fcell.2022.960456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 09/15/2022] [Indexed: 11/16/2022] Open
Abstract
Osteoporosis is characterized by a high incidence rate, with significant effects on people’s lives. The underlying mechanisms are complex, with no treatments for the condition. Recent studies have indicated that melatonin can be used to treat osteoporosis by promoting osteoblast proliferation and differentiation, and inhibiting osteoclast differentiation. Specifically, in vivo mechanisms are initiated by stabilizing biological rhythms in bone tissue. In healthy organisms, these biological rhythms are present in bone tissue, and are characterized by bone formation during the day, and bone resorption at night. When this rhythm is disrupted, osteoporosis occurs. Thus, taking appropriate medication at different times of the day could produce different effects on osteoporosis rhythms. In this review, we characterized these processes, and provided treatments and management strategies for individuals with osteoporosis.
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Parlak GC, Camur BB, Gul S, Ozcan O, Baris I, Kavakli IH. The secondary pocket of Cryptochrome 2 is important for the regulation of its stability and localization. J Biol Chem 2022; 298:102334. [PMID: 35933018 PMCID: PMC9442382 DOI: 10.1016/j.jbc.2022.102334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 07/13/2022] [Accepted: 07/15/2022] [Indexed: 11/28/2022] Open
Abstract
Human clock-gene variations contribute to the phenotypic differences observed in various behavioral and physiological processes such as diurnal preference, sleep, metabolism, mood regulation, addiction, and fertility. However, little is known about the possible effects of identified variations at the molecular level. In this study, we performed a functional characterization at the cellular level of rare CRYPTOCHROME 2 (CRY2) missense variations that were identified from the Ensembl database. Our structural studies revealed that three variations (p.Pro123Leu, p.Asp406His, p.Ser410Ile) are located at the rim of the secondary pocket of CRY2. We show these variants were unable to repress CLOCK/BMAL1-driven transcription in a cell-based reporter assay and had reduced affinity to CLOCK/BMAL1. Furthermore, our biochemical studies indicated that the variants were less stable than the wild-type CRY2, which could be rescued in the presence of Period 2 (PER2), another core clock protein. Finally, we found these variants were unable to properly localize to the nucleus, and thereby were unable to rescue the circadian rhythm in a Cry1-/-Cry2-/- double-knockout mouse embryonic fibroblast cell line. Collectively, our data suggest that the rim of the secondary pocket of CRY2 plays a significant role in its nuclear localization independently of PER2 and in the intact circadian rhythm at the cellular level.
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Affiliation(s)
- Gizem Cagla Parlak
- Koc university Department Molecular Biology and Genetics, Rumeli Feneri Yolu, Sariyer, Istanbul, Turkey
| | - Bilge Bahar Camur
- Koc university Department Molecular Biology and Genetics, Rumeli Feneri Yolu, Sariyer, Istanbul, Turkey
| | - Seref Gul
- Istanbul University, Department of Biology, Biotechnology Division, 34134 Suleymaniye, Istanbul, Turkey
| | - Onur Ozcan
- Koc university Department Molecular Biology and Genetics, Rumeli Feneri Yolu, Sariyer, Istanbul, Turkey
| | - Ibrahim Baris
- Koc university Department Molecular Biology and Genetics, Rumeli Feneri Yolu, Sariyer, Istanbul, Turkey
| | - Ibrahim Halil Kavakli
- Koc university Department Molecular Biology and Genetics, Rumeli Feneri Yolu, Sariyer, Istanbul, Turkey; Koc university Department Chemical and Biological Engineering, Rumeli Feneri Yolu, Sariyer, Istanbul, Turkey.
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