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Smirlis D, Dingli F, Sabatet V, Roth A, Knippschild U, Loew D, Späth GF, Rachidi N. Identification of the Host Substratome of Leishmania-Secreted Casein Kinase 1 Using a SILAC-Based Quantitative Mass Spectrometry Assay. Front Cell Dev Biol 2022; 9:800098. [PMID: 35047509 PMCID: PMC8762337 DOI: 10.3389/fcell.2021.800098] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 12/13/2021] [Indexed: 12/27/2022] Open
Abstract
Leishmaniasis is a severe public health problem, caused by the protozoan Leishmania. This parasite has two developmental forms, extracellular promastigote in the insect vector and intracellular amastigote in the mammalian host where it resides inside the phagolysosome of macrophages. Little is known about the virulence factors that regulate host-pathogen interactions and particularly host signalling subversion. All the proteomes of Leishmania extracellular vesicles identified the presence of Leishmania casein kinase 1 (L-CK1.2), a signalling kinase. L-CK1.2 is essential for parasite survival and thus might be essential for host subversion. To get insights into the functions of L-CK1.2 in the macrophage, the systematic identification of its host substrates is crucial, we thus developed an easy method to identify substrates, combining phosphatase treatment, in vitro kinase assay and Stable Isotope Labelling with Amino acids in Cell (SILAC) culture-based mass spectrometry. Implementing this approach, we identified 225 host substrates as well as a potential novel phosphorylation motif for CK1. We confirmed experimentally the enrichment of our substratome in bona fide L-CK1.2 substrates and showed they were also phosphorylated by human CK1δ. L-CK1.2 substratome is enriched in biological processes such as "viral and symbiotic interaction," "actin cytoskeleton organisation" and "apoptosis," which are consistent with the host pathways modified by Leishmania upon infection, suggesting that L-CK1.2 might be the missing link. Overall, our results generate important mechanistic insights into the signalling of host subversion by these parasites and other microbial pathogens adapted for intracellular survival.
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Affiliation(s)
- Despina Smirlis
- Institut Pasteur, Université de Paris, Institut National de Santé et Recherche Médicale INSERM U1201, Unité de parasitologie Moléculaire et Signalisation, Paris, France.,Hellenic Pasteur Institute, Athens, Greece
| | - Florent Dingli
- Laboratoire de Spectrométrie de Masse Protéomique (LSMP), Centre de Recherche, Institut Curie, PSL Research University, Paris, France
| | - Valentin Sabatet
- Laboratoire de Spectrométrie de Masse Protéomique (LSMP), Centre de Recherche, Institut Curie, PSL Research University, Paris, France
| | - Aileen Roth
- Department of General and Visceral Surgery, Centre of Surgery, University Hospital Ulm, Ulm, Germany
| | - Uwe Knippschild
- Department of General and Visceral Surgery, Centre of Surgery, University Hospital Ulm, Ulm, Germany
| | - Damarys Loew
- Laboratoire de Spectrométrie de Masse Protéomique (LSMP), Centre de Recherche, Institut Curie, PSL Research University, Paris, France
| | - Gerald F Späth
- Institut Pasteur, Université de Paris, Institut National de Santé et Recherche Médicale INSERM U1201, Unité de parasitologie Moléculaire et Signalisation, Paris, France
| | - Najma Rachidi
- Institut Pasteur, Université de Paris, Institut National de Santé et Recherche Médicale INSERM U1201, Unité de parasitologie Moléculaire et Signalisation, Paris, France
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Gennart I, Petit A, Wiggers L, Pejaković S, Dauchot N, Laurent S, Coupeau D, Muylkens B. Epigenetic Silencing of MicroRNA-126 Promotes Cell Growth in Marek's Disease. Microorganisms 2021; 9:microorganisms9061339. [PMID: 34205549 PMCID: PMC8235390 DOI: 10.3390/microorganisms9061339] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/12/2021] [Accepted: 06/14/2021] [Indexed: 12/30/2022] Open
Abstract
During latency, herpesvirus infection results in the establishment of a dormant state in which a restricted set of viral genes are expressed. Together with alterations of the viral genome, several host genes undergo epigenetic silencing during latency. These epigenetic dysregulations of cellular genes might be involved in the development of cancer. In this context, Gallid alphaherpesvirus 2 (GaHV-2), causing Marek’s disease (MD) in susceptible chicken, was shown to impair the expression of several cellular microRNAs (miRNAs). We decided to focus on gga-miR-126, a host miRNA considered a tumor suppressor through signaling pathways controlling cell proliferation. Our objectives were to analyze the cause and the impact of miR-126 silencing during GaHV-2 infection. This cellular miRNA was found to be repressed at crucial steps of the viral infection. In order to determine whether miR-126 low expression level was associated with specific epigenetic signatures, DNA methylation patterns were established in the miR-126 gene promoter. Repression was associated with hypermethylation at a CpG island located in the miR-126 host gene epidermal growth factor like-7 (EGFL-7). A strategy was developed to conditionally overexpress miR-126 and control miRNAs in transformed CD4+ T cells propagated from Marek’s disease (MD) lymphoma. This functional assay showed that miR-126 restoration specifically diminishes cell proliferation. We identified CT10 regulator of kinase (CRK), an adaptor protein dysregulated in several human malignancies, as a candidate target gene. Indeed, CRK protein levels were markedly reduced by the miR-126 restoration.
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Affiliation(s)
- Isabelle Gennart
- Integrated Veterinary Research Unit (URVI), Namur Research Institute for Life Sciences (NARILIS), Université de Namur, 61 Rue de Bruxelles, 5000 Namur, Belgium; (I.G.); (L.W.); (S.P.); (D.C.)
| | - Astrid Petit
- Integrated Veterinary Research Unit (URVI), Namur Research Institute for Life Sciences (NARILIS), Université de Namur, 61 Rue de Bruxelles, 5000 Namur, Belgium; (I.G.); (L.W.); (S.P.); (D.C.)
- Correspondence: (A.P.); (B.M.)
| | - Laetitia Wiggers
- Integrated Veterinary Research Unit (URVI), Namur Research Institute for Life Sciences (NARILIS), Université de Namur, 61 Rue de Bruxelles, 5000 Namur, Belgium; (I.G.); (L.W.); (S.P.); (D.C.)
| | - Srđan Pejaković
- Integrated Veterinary Research Unit (URVI), Namur Research Institute for Life Sciences (NARILIS), Université de Namur, 61 Rue de Bruxelles, 5000 Namur, Belgium; (I.G.); (L.W.); (S.P.); (D.C.)
| | - Nicolas Dauchot
- Unit of Research in Plant Cellular and Molecular Biology (URBV), Université de Namur, 61 Rue de Bruxelles, 5000 Namur, Belgium;
| | - Sylvie Laurent
- Département Santé Animale, Institut National de la Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Centre Val de Loire, 37380 Nouzilly, France;
| | - Damien Coupeau
- Integrated Veterinary Research Unit (URVI), Namur Research Institute for Life Sciences (NARILIS), Université de Namur, 61 Rue de Bruxelles, 5000 Namur, Belgium; (I.G.); (L.W.); (S.P.); (D.C.)
| | - Benoît Muylkens
- Integrated Veterinary Research Unit (URVI), Namur Research Institute for Life Sciences (NARILIS), Université de Namur, 61 Rue de Bruxelles, 5000 Namur, Belgium; (I.G.); (L.W.); (S.P.); (D.C.)
- Correspondence: (A.P.); (B.M.)
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Rachidi N, Knippschild U, Späth GF. Dangerous Duplicity: The Dual Functions of Casein Kinase 1 in Parasite Biology and Host Subversion. Front Cell Infect Microbiol 2021; 11:655700. [PMID: 33869086 PMCID: PMC8044801 DOI: 10.3389/fcimb.2021.655700] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 03/05/2021] [Indexed: 02/01/2023] Open
Abstract
Casein Kinase 1 (CK1) family members are serine/threonine protein kinases that are involved in many biological processes and highly conserved in eukaryotes from protozoan to humans. Even though pathogens exploit host CK1 signaling pathways to survive, the role of CK1 in infectious diseases and host/pathogen interaction is less well characterized compared to other diseases, such as cancer or neurodegenerative diseases. Here we present the current knowledge on CK1 in protozoan parasites highlighting their essential role for parasite survival and their importance for host-pathogen interactions. We also discuss how the dual requirement of CK1 family members for parasite biological processes and host subversion could be exploited to identify novel antimicrobial interventions.
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Affiliation(s)
- Najma Rachidi
- Unité de Parasitologie moléculaire et Signalisation, Department of Parasites and Insect Vectors, Institut Pasteur and INSERM U1201, Paris, France
| | - Uwe Knippschild
- Department of General and Visceral Surgery, Surgery Centre, Ulm University Hospital, Ulm, Germany
| | - Gerald F. Späth
- Unité de Parasitologie moléculaire et Signalisation, Department of Parasites and Insect Vectors, Institut Pasteur and INSERM U1201, Paris, France
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Fan XC, Liu TL, Wang Y, Wu XM, Wang YX, Lai P, Song JK, Zhao GH. Genome-wide analysis of differentially expressed profiles of mRNAs, lncRNAs and circRNAs in chickens during Eimeria necatrix infection. Parasit Vectors 2020; 13:167. [PMID: 32245514 PMCID: PMC7118956 DOI: 10.1186/s13071-020-04047-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 03/27/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Eimeria necatrix, the most highly pathogenic coccidian in chicken small intestines, can cause high morbidity and mortality in susceptible birds and devastating economic losses in poultry production, but the underlying molecular mechanisms in interaction between chicken and E. necatrix are not entirely revealed. Accumulating evidence shows that the long-non-coding RNAs (lncRNAs) and circular RNAs (circRNAs) are key regulators in various infectious diseases. However, the expression profiles and roles of these two non-coding RNAs (ncRNAs) during E. necatrix infection are still unclear. METHODS The expression profiles of mRNAs, lncRNAs and circRNAs in mid-segments of chicken small intestines at 108 h post-infection (pi) with E. necatrix were analyzed by using the RNA-seq technique. RESULTS After strict filtering of raw data, we putatively identified 49,183 mRNAs, 818 lncRNAs and 4153 circRNAs. The obtained lncRNAs were classified into four types, including 228 (27.87%) intergenic, 67 (8.19%) intronic, 166 (20.29%) anti-sense and 357 (43.64%) sense-overlapping lncRNAs; of these, 571 were found to be novel. Five types were also predicted for putative circRNAs, including 180 exonic, 54 intronic, 113 antisense, 109 intergenic and 3697 sense-overlapping circRNAs. Eimeria necatrix infection significantly altered the expression of 1543 mRNAs (707 upregulated and 836 downregulated), 95 lncRNAs (49 upregulated and 46 downregulated) and 13 circRNAs (9 upregulated and 4 downregulated). Target predictions revealed that 38 aberrantly expressed lncRNAs would cis-regulate 73 mRNAs, and 1453 mRNAs could be trans-regulated by 87 differentially regulated lncRNAs. Additionally, 109 potential sponging miRNAs were also identified for 9 circRNAs. GO and KEGG enrichment analysis of target mRNAs for lncRNAs, and sponging miRNA targets and source genes for circRNAs identified associations of both lncRNAs and circRNAs with host immune defense and pathogenesis during E. necatrix infection. CONCLUSIONS To the best of our knowledge, the present study provides the first genome-wide analysis of mRNAs, lncRNAs and circRNAs in chicken small intestines infected with E. necatrix. The obtained data will offer novel clues for exploring the interaction mechanisms between chickens and Eimeria spp.
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Affiliation(s)
- Xian-Cheng Fan
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China.,Center of Animal Disease Prevention and Control of Huyi District, Xi'an, 710300, China
| | - Ting-Li Liu
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China.,State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730000, China
| | - Yi Wang
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China
| | - Xue-Mei Wu
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China
| | - Yu-Xin Wang
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China
| | - Peng Lai
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China
| | - Jun-Ke Song
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China
| | - Guang-Hui Zhao
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China.
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Regulation of Multifunctional Calcium/Calmodulin Stimulated Protein Kinases by Molecular Targeting. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1131:649-679. [PMID: 31646529 DOI: 10.1007/978-3-030-12457-1_26] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Multifunctional calcium/calmodulin-stimulated protein kinases control a broad range of cellular functions in a multitude of cell types. This family of kinases contain several structural similarities and all are regulated by phosphorylation, which either activates, inhibits or modulates their kinase activity. As these protein kinases are widely or ubiquitously expressed, and yet regulate a broad range of different cellular functions, additional levels of regulation exist that control these cell-specific functions. Of particular importance for this specificity of function for multifunctional kinases is the expression of specific binding proteins that mediate molecular targeting. These molecular targeting mechanisms allow pools of kinase in different cells, or parts of a cell, to respond differently to activation and produce different functional outcomes.
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Xia C, Anderson P, Hahm B. Viral dedication to vigorous destruction of interferon receptors. Virology 2018; 522:19-26. [PMID: 30014854 PMCID: PMC6087481 DOI: 10.1016/j.virol.2018.06.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 06/27/2018] [Accepted: 06/28/2018] [Indexed: 01/12/2023]
Abstract
Interferons (IFNs) exhibit forceful inhibitory activities against numerous viruses by inducing synthesis of anti-viral proteins or promoting immune cell functions, which help eradicate the vicious microbes. Consequently, the degree to which viruses evade or counterattack IFN responses influences viral pathogenicity. Viruses have developed many strategies to interfere with the synthesis of IFNs or IFN receptor signaling pathway. Furthermore, multiple viruses decrease levels of IFN receptors via diverse tactics, which include decreasing type I IFN receptor mRNA expression, blocking post-translational modification of the receptor, and degrading IFN receptors. Recently, influenza virus was found to induce CK1α-induced phosphorylation and subsequent degradation of the receptor for type I and II IFNs. In this review, viral mechanisms that remove IFN receptors are summarized with an emphasis on the mechanisms for virus-induced degradation of IFN receptors.
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Affiliation(s)
- Chuan Xia
- Departments of Surgery and Molecular Microbiology & Immunology, University of Missouri, Columbia, MO 65212, USA
| | - Paul Anderson
- Department of Veterinary Pathobiology, College of Veterinary Medicine, University of Missouri, Columbia, MO 65212, USA; Laboratory for Infectious Disease Research, University of Missouri, Columbia, MO 65211, USA
| | - Bumsuk Hahm
- Departments of Surgery and Molecular Microbiology & Immunology, University of Missouri, Columbia, MO 65212, USA.
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Jiang S, Zhang M, Sun J, Yang X. Casein kinase 1α: biological mechanisms and theranostic potential. Cell Commun Signal 2018; 16:23. [PMID: 29793495 PMCID: PMC5968562 DOI: 10.1186/s12964-018-0236-z] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 05/16/2018] [Indexed: 02/07/2023] Open
Abstract
Casein kinase 1α (CK1α) is a multifunctional protein belonging to the CK1 protein family that is conserved in eukaryotes from yeast to humans. It regulates signaling pathways related to membrane trafficking, cell cycle progression, chromosome segregation, apoptosis, autophagy, cell metabolism, and differentiation in development, circadian rhythm, and the immune response as well as neurodegeneration and cancer. Given its involvement in diverse cellular, physiological, and pathological processes, CK1α is a promising therapeutic target. In this review, we summarize what is known of the biological functions of CK1α, and provide an overview of existing challenges and potential opportunities for advancing theranostics.
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Affiliation(s)
- Shaojie Jiang
- Department of Radiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Zhejiang, 310016, Hangzhou, China
| | - Miaofeng Zhang
- Department of Orthopaedics, Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, 310009, Hangzhou, China
| | - Jihong Sun
- Department of Radiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Zhejiang, 310016, Hangzhou, China
| | - Xiaoming Yang
- Department of Radiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Zhejiang, 310016, Hangzhou, China. .,Image-Guided Bio-Molecular Intervention Research, Department of Radiology, University of Washington School of Medicine, Seattle, WA, 98109, USA.
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