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Bugter JM, van Kerkhof P, Jordens I, Janssen E, Tran Ngoc Minh T, Iglesias van Montfort D, Jamieson C, Maurice MM. E3 ligases RNF43 and ZNRF3 display differential specificity for endocytosis of Frizzled receptors. Life Sci Alliance 2024; 7:e202402575. [PMID: 38969364 PMCID: PMC11231576 DOI: 10.26508/lsa.202402575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 06/25/2024] [Accepted: 06/25/2024] [Indexed: 07/07/2024] Open
Abstract
The transmembrane E3 ligases RNF43 and ZNRF3 perform key tumour suppressor roles by inducing endocytosis of members of the Frizzled (FZD) family, the primary receptors for WNT. Loss-of-function mutations in RNF43 and ZNRF3 mediate FZD stabilisation and a WNT-hypersensitive growth state in various cancer types. Strikingly, RNF43 and ZNRF3 mutations are differentially distributed across cancer types, raising questions about their functional redundancy. Here, we compare the efficacy of RNF43 and ZNRF3 of targeting different FZDs for endocytosis. We find that RNF43 preferentially down-regulates FZD1/FZD5/FZD7, whereas ZNRF3 displays a preference towards FZD6. We show that the RNF43 transmembrane domain (TMD) is a key molecular determinant for inducing FZD5 endocytosis. Furthermore, a TMD swap between RNF43 and ZNRF3 re-directs their preference for FZD5 down-regulation. We conclude that RNF43 and ZNRF3 preferentially down-regulate specific FZDs, in part by a TMD-dependent mechanism. In accordance, tissue-specific expression patterns of FZD homologues correlate with the incidence of RNF43 or ZNRF3 cancer mutations in those tissues. Consequently, our data point to druggable vulnerabilities of specific FZD receptors in RNF43- or ZNRF3-mutant human cancers.
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Affiliation(s)
- Jeroen M Bugter
- Oncode Institute and Centre for Molecular Medicine, UMC Utrecht, Utrecht, Netherlands
| | - Peter van Kerkhof
- Oncode Institute and Centre for Molecular Medicine, UMC Utrecht, Utrecht, Netherlands
| | - Ingrid Jordens
- Oncode Institute and Centre for Molecular Medicine, UMC Utrecht, Utrecht, Netherlands
| | - Eline Janssen
- Oncode Institute and Centre for Molecular Medicine, UMC Utrecht, Utrecht, Netherlands
| | - Thi Tran Ngoc Minh
- Oncode Institute and Centre for Molecular Medicine, UMC Utrecht, Utrecht, Netherlands
| | | | - Cara Jamieson
- Oncode Institute and Centre for Molecular Medicine, UMC Utrecht, Utrecht, Netherlands
| | - Madelon M Maurice
- Oncode Institute and Centre for Molecular Medicine, UMC Utrecht, Utrecht, Netherlands
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Gybeľ T, Čada Š, Klementová D, Schwalm MP, Berger BT, Šebesta M, Knapp S, Bryja V. Splice variants of CK1α and CK1α-like: Comparative analysis of subcellular localization, kinase activity, and function in the Wnt signaling pathway. J Biol Chem 2024; 300:107407. [PMID: 38796065 PMCID: PMC11255964 DOI: 10.1016/j.jbc.2024.107407] [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: 11/21/2023] [Revised: 04/19/2024] [Accepted: 05/07/2024] [Indexed: 05/28/2024] Open
Abstract
Members of the casein kinase 1 (CK1) family are important regulators of multiple signaling pathways. CK1α is a well-known negative regulator of the Wnt/β-catenin pathway, which promotes the degradation of β-catenin via its phosphorylation of Ser45. In contrast, the closest paralog of CK1α, CK1α-like, is a poorly characterized kinase of unknown function. In this study, we show that the deletion of CK1α, but not CK1α-like, resulted in a strong activation of the Wnt/β-catenin pathway. Wnt-3a treatment further enhanced the activation, which suggests there are at least two modes, a CK1α-dependent and Wnt-dependent, of β-catenin regulation. Rescue experiments showed that only two out of ten naturally occurring splice CK1α/α-like variants were able to rescue the augmented Wnt/β-catenin signaling caused by CK1α deficiency in cells. Importantly, the ability to phosphorylate β-catenin on Ser45 in the in vitro kinase assay was required but not sufficient for such rescue. Our compound CK1α and GSK3α/β KO models suggest that the additional nonredundant function of CK1α in the Wnt pathway beyond Ser45-β-catenin phosphorylation includes Axin phosphorylation. Finally, we established NanoBRET assays for the three most common CK1α splice variants as well as CK1α-like. Target engagement data revealed comparable potency of known CK1α inhibitors for all CK1α variants but not for CK1α-like. In summary, our work brings important novel insights into the biology of CK1α, including evidence for the lack of redundancy with other CK1 kinases in the negative regulation of the Wnt/β-catenin pathway at the level of β-catenin and Axin.
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Affiliation(s)
- Tomáš Gybeľ
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Štěpán Čada
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Darja Klementová
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic; CEITEC-Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Martin P Schwalm
- Institute for Pharmaceutical Chemistry, Johann Wolfgang Goethe-University, Frankfurt am Main, Germany; Structural Genomics Consortium, Johann Wolfgang Goethe-University, Frankfurt am Main, Germany; German Cancer Consortium (DKTK)/German Cancer Research Center (DKFZ), DKTK Site Frankfurt-Mainz, Heidelberg, Germany
| | - Benedict-Tilman Berger
- Institute for Pharmaceutical Chemistry, Johann Wolfgang Goethe-University, Frankfurt am Main, Germany; Structural Genomics Consortium, Johann Wolfgang Goethe-University, Frankfurt am Main, Germany
| | - Marek Šebesta
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Stefan Knapp
- Institute for Pharmaceutical Chemistry, Johann Wolfgang Goethe-University, Frankfurt am Main, Germany; Structural Genomics Consortium, Johann Wolfgang Goethe-University, Frankfurt am Main, Germany; German Cancer Consortium (DKTK)/German Cancer Research Center (DKFZ), DKTK Site Frankfurt-Mainz, Heidelberg, Germany
| | - Vítězslav Bryja
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic; Department of Cytokinetics, Institute of Biophysics of the Czech Academy of Sciences, Brno, Czech Republic.
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Griffiths SC, Tan J, Wagner A, Blazer LL, Adams JJ, Srinivasan S, Moghisaei S, Sidhu SS, Siebold C, Ho HYH. Structure and function of the ROR2 cysteine-rich domain in vertebrate noncanonical WNT5A signaling. eLife 2024; 13:e71980. [PMID: 38780011 PMCID: PMC11219042 DOI: 10.7554/elife.71980] [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: 07/06/2021] [Accepted: 05/17/2024] [Indexed: 05/25/2024] Open
Abstract
The receptor tyrosine kinase ROR2 mediates noncanonical WNT5A signaling to orchestrate tissue morphogenetic processes, and dysfunction of the pathway causes Robinow syndrome, brachydactyly B, and metastatic diseases. The domain(s) and mechanisms required for ROR2 function, however, remain unclear. We solved the crystal structure of the extracellular cysteine-rich (CRD) and Kringle (Kr) domains of ROR2 and found that, unlike other CRDs, the ROR2 CRD lacks the signature hydrophobic pocket that binds lipids/lipid-modified proteins, such as WNTs, suggesting a novel mechanism of ligand reception. Functionally, we showed that the ROR2 CRD, but not other domains, is required and minimally sufficient to promote WNT5A signaling, and Robinow mutations in the CRD and the adjacent Kr impair ROR2 secretion and function. Moreover, using function-activating and -perturbing antibodies against the Frizzled (FZ) family of WNT receptors, we demonstrate the involvement of FZ in WNT5A-ROR signaling. Thus, ROR2 acts via its CRD to potentiate the function of a receptor super-complex that includes FZ to transduce WNT5A signals.
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Affiliation(s)
- Samuel C Griffiths
- Division of Structural Biology, Wellcome Centre for Human Genetics, University of OxfordOxfordUnited Kingdom
| | - Jia Tan
- Department of Cell Biology and Human Anatomy, University of California, Davis School of MedicineDavisUnited States
| | - Armin Wagner
- Science Division, Diamond Light Source, Harwell Science and Innovation CampusDidcotUnited Kingdom
| | - Levi L Blazer
- School of Pharmacy, University of WaterlooWaterlooCanada
| | | | - Srisathya Srinivasan
- Department of Cell Biology and Human Anatomy, University of California, Davis School of MedicineDavisUnited States
| | - Shayan Moghisaei
- Department of Cell Biology and Human Anatomy, University of California, Davis School of MedicineDavisUnited States
| | | | - Christian Siebold
- Division of Structural Biology, Wellcome Centre for Human Genetics, University of OxfordOxfordUnited Kingdom
| | - Hsin-Yi Henry Ho
- Department of Cell Biology and Human Anatomy, University of California, Davis School of MedicineDavisUnited States
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Kamizaki K, Minami Y, Nishita M. Role of the Ror family receptors in Wnt5a signaling. In Vitro Cell Dev Biol Anim 2024; 60:489-501. [PMID: 38587578 DOI: 10.1007/s11626-024-00885-4] [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: 10/30/2023] [Accepted: 01/30/2024] [Indexed: 04/09/2024]
Abstract
Ror-family receptors, Ror1 and Ror2, are type I transmembrane proteins that possess an extracellular cysteine-rich domain, which is conserved throughout the Frizzled-family receptors and is a binding site for Wnt ligands. Both Ror1 and Ror2 function primarily as receptors or co-receptors for Wnt5a to activate the β-catenin-independent, non-canonical Wnt signaling, thereby regulating cell polarity, migration, proliferation, and differentiation depending on the context. Ror1 and Ror2 are expressed highly in many tissues during embryogenesis but minimally or scarcely in adult tissues, with some exceptions. In contrast, Ror1 and Ror2 are expressed in many types of cancers, and their high expression often contributes to the progression of the disease. Therefore, Ror1 and Ror2 have been proposed as potential targets for the treatment of the malignancies. In this review, we provide an overview of the regulatory mechanisms of Ror1/Ror2 expression and discuss how Wnt5a-Ror1/Ror2 signaling is mediated and regulated by their interacting proteins.
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Affiliation(s)
- Koki Kamizaki
- Division of Cell Physiology, Department of Physiology and Cell Biology, Graduate School of Medicine, Kobe University, Kobe, 650-0017, Japan
| | - Yasuhiro Minami
- Division of Cell Physiology, Department of Physiology and Cell Biology, Graduate School of Medicine, Kobe University, Kobe, 650-0017, Japan
| | - Michiru Nishita
- Department of Biochemistry, Fukushima Medical University School of Medicine, 1 Hikariga-Oka, Fukushima, 960-1295, Japan.
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5
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Nishita M, Kamizaki K, Hoshi K, Aruga K, Nishikaku I, Shibuya H, Matsumoto K, Minami Y. Rho family small GTPase Rif regulates Wnt5a-Ror1-Dvl2 signaling and promotes lung adenocarcinoma progression. J Biol Chem 2023; 299:105248. [PMID: 37703992 PMCID: PMC10570955 DOI: 10.1016/j.jbc.2023.105248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 09/01/2023] [Accepted: 09/05/2023] [Indexed: 09/15/2023] Open
Abstract
Rho in filopodia (Rif), a member of the Rho family of small GTPases, induces filopodia formation primarily on the dorsal surface of cells; however, its function remains largely unclear. Here, we show that Rif interacts with Ror1, a receptor for Wnt5a that can also induce dorsal filopodia. Our immunohistochemical analysis revealed a high frequency of coexpression of Ror1 and Rif in lung adenocarcinoma. Lung adenocarcinoma cells cultured on Matrigel established front-rear polarity with massive filopodia on their front surfaces, where Ror1 and Rif were accumulated. Suppression of Ror1 or Rif expression inhibited cell proliferation, survival, and invasion, accompanied by the loss of filopodia and cell polarity in vitro, and prevented tumor growth in vivo. Furthermore, we found that Rif was required to activate Wnt5a-Ror1 signaling at the cell surface leading to phosphorylation of the Wnt signaling pathway hub protein Dvl2, which was further promoted by culturing the cells on Matrigel. Our findings reveal a novel function of Rif in mediating Wnt5a-Ror1-Dvl2 signaling, which is associated with the formation of polarized filopodia on 3D matrices in lung adenocarcinoma cells.
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Affiliation(s)
- Michiru Nishita
- Department of Biochemistry, Fukushima Medical University School of Medicine, Fukushima, Japan.
| | - Koki Kamizaki
- Division of Cell Physiology, Department of Physiology and Cell Biology, Kobe University, Graduate School of Medicine, Kobe, Japan
| | - Kyoka Hoshi
- Department of Biochemistry, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Kana Aruga
- Division of Cell Physiology, Department of Physiology and Cell Biology, Kobe University, Graduate School of Medicine, Kobe, Japan
| | - Ikumi Nishikaku
- Division of Cell Physiology, Department of Physiology and Cell Biology, Kobe University, Graduate School of Medicine, Kobe, Japan
| | - Hiroshi Shibuya
- Department of Molecular Cell Biology, Medical Research Institute, Tokyo Medical and Dental University (TMDU), Bunkyo-ku, Tokyo, Japan
| | - Kunio Matsumoto
- Division of Tumor Dynamics and Regulation, Cancer Research Institute, Kanazawa University, Kakuma, Kanazawa, Japan; WPI-Nano Life Science Institute, Kanazawa University, Kakuma, Kanazawa, Japan
| | - Yasuhiro Minami
- Division of Cell Physiology, Department of Physiology and Cell Biology, Kobe University, Graduate School of Medicine, Kobe, Japan.
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Bowin CF, Kozielewicz P, Grätz L, Kowalski-Jahn M, Schihada H, Schulte G. WNT stimulation induces dynamic conformational changes in the Frizzled-Dishevelled interaction. Sci Signal 2023; 16:eabo4974. [PMID: 37014927 DOI: 10.1126/scisignal.abo4974] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2023]
Abstract
Frizzleds (FZDs) are G protein-coupled receptors (GPCRs) that bind to WNT family ligands. FZDs signal through multiple effector proteins, including Dishevelled (DVL), which acts as a hub for several downstream signaling pathways. To understand how WNT binding to FZD stimulates intracellular signaling and influences downstream pathway selectivity, we investigated the dynamic changes in the FZD5-DVL2 interaction elicited by WNT-3A and WNT-5A. Ligand-induced changes in bioluminescence resonance energy transfer (BRET) between FZD5 and DVL2 or the isolated FZD-binding DEP domain of DVL2 revealed a composite response consisting of both DVL2 recruitment and conformational dynamics in the FZD5-DVL2 complex. The combination of different BRET paradigms enabled us to identify ligand-dependent conformational dynamics in the FZD5-DVL2 complex and distinguish them from ligand-induced recruitment of DVL2 or DEP to FZD5. The observed agonist-induced conformational changes at the receptor-transducer interface suggest that extracellular agonist and intracellular transducers cooperate through transmembrane allosteric interaction with FZDs in a ternary complex reminiscent of that of classical GPCRs.
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Affiliation(s)
- Carl-Fredrik Bowin
- Department of Physiology and Pharmacology, Section of Receptor Biology and Signaling, Karolinska Institutet, Stockholm, Sweden
| | - Pawel Kozielewicz
- Department of Physiology and Pharmacology, Section of Receptor Biology and Signaling, Karolinska Institutet, Stockholm, Sweden
| | - Lukas Grätz
- Department of Physiology and Pharmacology, Section of Receptor Biology and Signaling, Karolinska Institutet, Stockholm, Sweden
| | - Maria Kowalski-Jahn
- Department of Physiology and Pharmacology, Section of Receptor Biology and Signaling, Karolinska Institutet, Stockholm, Sweden
| | - Hannes Schihada
- Department of Physiology and Pharmacology, Section of Receptor Biology and Signaling, Karolinska Institutet, Stockholm, Sweden
| | - Gunnar Schulte
- Department of Physiology and Pharmacology, Section of Receptor Biology and Signaling, Karolinska Institutet, Stockholm, Sweden
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7
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Sibuea S, Ho JK, Pouton CW, Haynes JM. TGFβ3, dibutyryl cAMP and a notch inhibitor modulate phenotype late in stem cell-derived dopaminergic neuron maturation. Front Cell Dev Biol 2023; 11:1111705. [PMID: 36819101 PMCID: PMC9928866 DOI: 10.3389/fcell.2023.1111705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 01/19/2023] [Indexed: 02/04/2023] Open
Abstract
The generation of midbrain dopaminergic neurons (mDAs) from pluripotent stem cells (hPSC) holds much promise for both disease modelling studies and as a cell therapy for Parkinson's disease (PD). Generally, dopaminergic neuron differentiation paradigms rely on inhibition of smad signalling for neural induction followed by hedgehog signalling and an elevation of β-catenin to drive dopaminergic differentiation. Post-patterning, differentiating dopaminergic neuron cultures are permitted time for maturation after which the success of these differentiation paradigms is usually defined by expression of tyrosine hydroxylase (TH), the rate limiting enzyme in the synthesis of dopamine. However, during maturation, culture media is often supplemented with additives to promote neuron survival and or promote cell differentiation. These additives include dibutyryl cyclic adenosine monophosphate (dbcAMP), transforming growth factor β3 (TGFβ3) and or the γ-secretase inhibitor (DAPT). While these factors are routinely added to cultures, their impact upon pluripotent stem cell-derived mDA phenotype is largely unclear. In this study, we differentiate pluripotent stem cells toward a dopaminergic phenotype and investigate how the omission of dbcAMP, TGFβ3 or DAPT, late in maturation, affects the regulation of multiple dopaminergic neuron phenotype markers. We now show that the removal of dbcAMP or TGFβ3 significantly and distinctly impacts multiple markers of the mDA phenotype (FOXA2, EN1, EN2, FOXA2, SOX6), while commonly increasing both MSX2 and NEUROD1 and reducing expression of both tyrosine hydroxylase and WNT5A. Removing DAPT significantly impacted MSX2, OTX2, EN1, and KCNJ6. In the absence of any stressful stimuli, we suggest that these culture additives should be viewed as mDA phenotype-modifying, rather than neuroprotective. We also suggest that their addition to cultures is likely to confound the interpretation of both transplantation and disease modelling studies.
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Affiliation(s)
- Shanti Sibuea
- Stem Cell Biology Group, Monash Institute of Pharmaceutical Sciences Monash University, Parkville, VIC, Australia,National Agency of Drug and Food Control, Jakarta, Indonesia
| | - Joan K. Ho
- Stem Cell Biology Group, Monash Institute of Pharmaceutical Sciences Monash University, Parkville, VIC, Australia
| | - Colin W. Pouton
- Stem Cell Biology Group, Monash Institute of Pharmaceutical Sciences Monash University, Parkville, VIC, Australia
| | - John M. Haynes
- Stem Cell Biology Group, Monash Institute of Pharmaceutical Sciences Monash University, Parkville, VIC, Australia,*Correspondence: John M. Haynes,
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Superresolution microscopy localizes endogenous Dvl2 to Wnt signaling-responsive biomolecular condensates. Proc Natl Acad Sci U S A 2022; 119:e2122476119. [PMID: 35867833 PMCID: PMC9335300 DOI: 10.1073/pnas.2122476119] [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] [Indexed: 11/18/2022] Open
Abstract
Wnt signaling governs cell fate and tissue polarity across species. The Dishevelled proteins are central to Wnt signaling cascades. Wnt-mediated multiprotein complexes such as the “signalosome” and the “destruction complex” have been proposed to represent biomolecular condensates. These nonmembranous, specialized compartments have been suggested to form through liquid–liquid phase separation and ensure correctly proceeding physiological reactions. Although biomolecular condensates have increasingly been studied, key questions remain regarding, for example, their architecture and physiological regulation. Here, superresolution microscopy after endogenous labeling of Dishevelled-2 gives insights into protein functions and Wnt signaling at physiological levels. It reveals the distinct molecular architecture of endogenous Wnt condensates at single-molecule resolution and illustrates close interactions at the centrosome. During organismal development, homeostasis, and disease, Dishevelled (Dvl) proteins act as key signaling factors in beta-catenin–dependent and beta-catenin–independent Wnt pathways. While their importance for signal transmission has been genetically demonstrated in many organisms, our mechanistic understanding is still limited. Previous studies using overexpressed proteins showed Dvl localization to large, punctate-like cytoplasmic structures that are dependent on its DIX domain. To study Dvl’s role in Wnt signaling, we genome engineered an endogenously expressed Dvl2 protein tagged with an mEos3.2 fluorescent protein for superresolution imaging. First, we demonstrate the functionality and specificity of the fusion protein in beta-catenin–dependent and beta-catenin–independent signaling using multiple independent assays. We performed live-cell imaging of Dvl2 to analyze the dynamic formation of the supramolecular cytoplasmic Dvl2_mEos3.2 condensates. While overexpression of Dvl2_mEos3.2 mimics the previously reported formation of abundant large “puncta,” supramolecular condensate formation at physiological protein levels is only observed in a subset of cells with approximately one per cell. We show that, in these condensates, Dvl2 colocalizes with Wnt pathway components at gamma-tubulin and CEP164-positive centrosomal structures and that the localization of Dvl2 to these condensates is Wnt dependent. Single-molecule localization microscopy using photoactivated localization microscopy (PALM) of mEos3.2 in combination with DNA-PAINT demonstrates the organization and repetitive patterns of these condensates in a cell cycle–dependent manner. Our results indicate that the localization of Dvl2 in supramolecular condensates is coordinated dynamically and dependent on cell state and Wnt signaling levels. Our study highlights the formation of endogenous and physiologically regulated biomolecular condensates in the Wnt pathways at single-molecule resolution.
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Hus I, Puła B, Robak T. PI3K Inhibitors for the Treatment of Chronic Lymphocytic Leukemia: Current Status and Future Perspectives. Cancers (Basel) 2022; 14:1571. [PMID: 35326722 PMCID: PMC8945984 DOI: 10.3390/cancers14061571] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 12/04/2022] Open
Abstract
Phosphoinositide 3-kinases (PI3Ks) signaling regulates key cellular processes, such as growth, survival and apoptosis. Among the three classes of PI3K, class I is the most important for the development, differentiation and activation of B and T cells. Four isoforms are distinguished within class I (PI3Kα, PI3Kβ, PI3Kδ and PI3Kγ). PI3Kδ expression is limited mainly to the B cells and their precursors, and blocking PI3K has been found to promote apoptosis of chronic lymphocytic leukemia (CLL) cells. Idelalisib, a selective PI3Kδ inhibitor, was the first-in-class PI3Ki introduced into CLL treatment. It showed efficacy in patients with del(17p)/TP53 mutation, unmutated IGHV status and refractory/relapsed disease. However, its side effects, such as autoimmune-mediated pneumonitis and colitis, infections and skin changes, limited its widespread use. The dual PI3Kδ/γ inhibitor duvelisib is approved for use in CLL patients but with similar toxicities to idelalisib. Umbralisib, a highly selective inhibitor of PI3Kδ and casein kinase-1ε (CK1ε), was found to be efficient and safe in monotherapy and in combination regimens in phase 3 trials in patients with CLL. Novel PI3Kis are under evaluation in early phase clinical trials. In this paper we present the mechanism of action, efficacy and toxicities of PI3Ki approved in the treatment of CLL and developed in clinical trials.
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Affiliation(s)
- Iwona Hus
- Department of Hematology, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland; (I.H.); (B.P.)
| | - Bartosz Puła
- Department of Hematology, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland; (I.H.); (B.P.)
| | - Tadeusz Robak
- Copernicus Memorial Hospital, 93-510 Lodz, Poland
- Department of Hematology, Medical University of Lodz, 93-510 Lodz, Poland
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Cullati SN, Chaikuad A, Chen JS, Gebel J, Tesmer L, Zhubi R, Navarrete-Perea J, Guillen RX, Gygi SP, Hummer G, Dötsch V, Knapp S, Gould KL. Kinase domain autophosphorylation rewires the activity and substrate specificity of CK1 enzymes. Mol Cell 2022; 82:2006-2020.e8. [DOI: 10.1016/j.molcel.2022.03.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 01/27/2022] [Accepted: 03/01/2022] [Indexed: 12/01/2022]
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Čada Š, Bryja V. Local Wnt signalling in the asymmetric migrating vertebrate cells. Semin Cell Dev Biol 2021; 125:26-36. [PMID: 34896020 DOI: 10.1016/j.semcdb.2021.11.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 11/18/2021] [Accepted: 11/19/2021] [Indexed: 11/27/2022]
Abstract
Wnt signalling is known to generate cellular asymmetry via Wnt/planar cell polarity pathway (Wnt/PCP). Wnt/PCP acts locally (i) to orient membrane polarity and asymmetric establishment of intercellular junctions via conserved set of PCP proteins most specifically represented by Vangl and Prickle, and (ii) to asymmetrically rearrange cytoskeletal structures via downstream effectors of Dishevelled (Dvl). This process is best described on stable phenotypes of epithelial cells. Here, however, we review the activity of Wnt signalling in migratory cells which experience the extensive rearrangements of cytoskeleton and consequently dynamic asymmetry, making the localised effects of Wnt signalling easier to distinguish. Firstly, we focused on migration of neuronal axons, which allows to study how the pre-existent cellular asymmetry can influence Wnt signalling outcome. Then, we reviewed the role of Wnt signalling in models of mesenchymal migration including neural crest, melanoma, and breast cancer cells. Last, we collected evidence for local Wnt signalling in amoeboid cells, especially lymphocytes. As the outcome of this review, we identify blank spots in our current understanding of this topic, propose models that synthesise the current observations and allow formulation of testable hypotheses for the future research.
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Affiliation(s)
- Štěpán Čada
- Department of Experimental Biology, Faculty of Science, Masaryk University, Kamenice 5, 62500 Brno, Czech Republic
| | - Vítězslav Bryja
- Department of Experimental Biology, Faculty of Science, Masaryk University, Kamenice 5, 62500 Brno, Czech Republic; Department of Cytokinetics, Institute of Biophysics CAS, Královopolská 135, 61265 Brno, Czech Republic.
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12
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Sheng X, Gao S, Sheng Y, Xie X, Wang J, He Y. Vangl2 participates in the primary ciliary assembly under low fluid shear stress in hUVECs. Cell Tissue Res 2021; 387:95-109. [PMID: 34738156 DOI: 10.1007/s00441-021-03546-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Accepted: 10/13/2021] [Indexed: 11/30/2022]
Abstract
The pattern of blood fluid shear stress (FSS) is considered the main factor that affects ciliogenesis in human umbilical vein endothelial cells (hUVECs), the underlying mechanism is unclear. Microfluidic chamber experiments were carried out to load hUVECs with low fluid shear stress (LSS, 0.1 dynes/cm2) or high fluid shear stress (HSS, 15 dynes/cm2). Van Gogh2 (Vangl2), a core protein in the planar cell polarity (PCP) pathway, was silenced and overexpressed in hUVECs. Immunofluorescence analysis showed that primary cilia assemble under LSS while disassembling under HSS. Vangl2 expression was consistent with cilia assembly, and its localization showed a polar distribution under LSS. Furthermore, the average number of ciliated cells and primary cilia length were increased in the Vangl2 overexpressing cell lines (the OE group) but decreased in the Vangl2 silenced cell lines (the SH group). When these cells were loaded with different FSS, more ciliated cells with longest primary cilia were observed in the LSS loaded OE group compared with those in the other groups. Immunoprecipitation showed that the interaction between Bardet-Biedl syndrome 8 (BBS8) and Vangl2 was enhanced following LSS loading compared to that under HSS. However, the interactions between phosphorylated dishevelled segment polarity protein 2 (pDvl2), kinesin family member 2a (Kif2a), and polo-like kinase 1 (Plk1) and Vangl2 were restrained following LSS loading. Overall, the results indicated that Vangl2 played a significant role during LSS-induced primary cilia assembly by recruiting BBS to promote the apical docking of basal bodies and by restraining Dvl2 phosphorylation from reducing primary cilia disassembly.
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Affiliation(s)
- Xin Sheng
- Department of Biochemistry, Zunyi Medical University, Zunyi, 563000, People's Republic of China.
| | - Shuanglin Gao
- Department of Biochemistry, Zunyi Medical University, Zunyi, 563000, People's Republic of China
| | - Yan Sheng
- Laboratory of Basic Medical Morphology, Zunyi Medical University, Zunyi, 563000, People's Republic of China
| | - Xiadan Xie
- Department of Biochemistry, Zunyi Medical University, Zunyi, 563000, People's Republic of China
| | - Junhua Wang
- Department of Biochemistry, Zunyi Medical University, Zunyi, 563000, People's Republic of China
| | - Yan He
- Department of Biochemistry, Zunyi Medical University, Zunyi, 563000, People's Republic of China
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13
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Radaszkiewicz T, Nosková M, Gömöryová K, Vondálová Blanářová O, Radaszkiewicz KA, Picková M, Víchová R, Gybeľ T, Kaiser K, Demková L, Kučerová L, Bárta T, Potěšil D, Zdráhal Z, Souček K, Bryja V. RNF43 inhibits WNT5A-driven signaling and suppresses melanoma invasion and resistance to the targeted therapy. eLife 2021; 10:65759. [PMID: 34702444 PMCID: PMC8550759 DOI: 10.7554/elife.65759] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 09/28/2021] [Indexed: 12/30/2022] Open
Abstract
RNF43 is an E3 ubiquitin ligase and known negative regulator of WNT/β-catenin signaling. We demonstrate that RNF43 is also a regulator of noncanonical WNT5A-induced signaling in human cells. Analysis of the RNF43 interactome using BioID and immunoprecipitation showed that RNF43 can interact with the core receptor complex components dedicated to the noncanonical Wnt pathway such as ROR1, ROR2, VANGL1, and VANGL2. RNF43 triggers VANGL2 ubiquitination and proteasomal degradation and clathrin-dependent internalization of ROR1 receptor and inhibits ROR2 activation. These activities of RNF43 are physiologically relevant and block pro-metastatic WNT5A signaling in melanoma. RNF43 inhibits responses to WNT5A, which results in the suppression of invasive properties of melanoma cells. Furthermore, RNF43 prevented WNT5A-assisted development of resistance to BRAF V600E and MEK inhibitors. Next, RNF43 acted as melanoma suppressor and improved response to targeted therapies in vivo. In line with these findings, RNF43 expression decreases during melanoma progression and RNF43-low patients have a worse prognosis. We conclude that RNF43 is a newly discovered negative regulator of WNT5A-mediated biological responses that desensitizes cells to WNT5A.
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Affiliation(s)
- Tomasz Radaszkiewicz
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Michaela Nosková
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Kristína Gömöryová
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Olga Vondálová Blanářová
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | | | - Markéta Picková
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic.,Department of Cytokinetics, Institute of Biophysics CAS, Brno, Czech Republic.,International Clinical Research Center FNUSA-ICRC, Brno, Czech Republic
| | - Ráchel Víchová
- Department of Cytokinetics, Institute of Biophysics CAS, Brno, Czech Republic
| | - Tomáš Gybeľ
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Karol Kaiser
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Lucia Demková
- Laboratory of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Bratislava, Slovakia
| | - Lucia Kučerová
- Laboratory of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Bratislava, Slovakia
| | - Tomáš Bárta
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic.,Department of Histology and Embryology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - David Potěšil
- Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Zbyněk Zdráhal
- Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Karel Souček
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic.,Department of Cytokinetics, Institute of Biophysics CAS, Brno, Czech Republic.,International Clinical Research Center FNUSA-ICRC, Brno, Czech Republic
| | - Vítězslav Bryja
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic.,Department of Cytokinetics, Institute of Biophysics CAS, Brno, Czech Republic
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14
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Micka M, Bryja V. Can We Pharmacologically Target Dishevelled: The Key Signal Transducer in the Wnt Pathways? Handb Exp Pharmacol 2021; 269:117-135. [PMID: 34382124 DOI: 10.1007/164_2021_527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Dishevelled (DVL) is the central signal transducer in both Wnt/β-catenin-dependent and independent signalling pathways. DVL is required to connect receptor complexes and downstream effectors. Since proximal Wnt pathway components and DVL itself are upregulated in many types of cancer, DVL represents an attractive therapeutic target in the Wnt-addicted cancers and other disorders caused by aberrant Wnt signalling. Here, we discuss progress in several approaches for the modulation of DVL function and hence inhibition of the Wnt signalling. Namely, we sum up the potential of modulation of enzymes that control post-translational modification of DVL - such as inhibition of DVL kinases or promotion of DVL ubiquitination and degradation. In addition, we discuss research directions that can take advantage of direct interaction with the protein domains essential for DVL function: the inhibition of DIX- and DEP-domain mediated polymerization and interaction of DVL PDZ domain with its ligands.
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Affiliation(s)
- Miroslav Micka
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Vítězslav Bryja
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic. .,Department of Cytokinetics, Institute of Biophysics, Academy of Sciences of the Czech Republic, Brno, Czech Republic.
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15
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Cullin 1 (CUL1) Promotes Primary Ciliogenesis through the Induction of Ubiquitin-Proteasome-Dependent Dvl2 Degradation. Int J Mol Sci 2021; 22:ijms22147572. [PMID: 34299191 PMCID: PMC8307194 DOI: 10.3390/ijms22147572] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/10/2021] [Accepted: 07/12/2021] [Indexed: 12/20/2022] Open
Abstract
Primary cilia are nonmotile cellular signal-sensing antenna-like structures composed of microtubule-based structures that distinguish them from motile cilia in structure and function. Primary ciliogenesis is regulated by various cellular signals, such as Wnt, hedgehog (Hh), and platelet-derived growth factor (PDGF). The abnormal regulation of ciliogenesis is closely related to developing various human diseases, including ciliopathies and cancer. This study identified a novel primary ciliogenesis factor Cullin 1 (CUL1), a core component of Skp1-Cullin-F-box (SCF) E3 ubiquitin ligase complex, which regulates the proteolysis of dishevelled 2 (Dvl2) through the ubiquitin-proteasome system. Through immunoprecipitation-tandem mass spectrometry analysis, 176 Dvl2 interacting candidates were identified, of which CUL1 is a novel Dvl2 modulator that induces Dvl2 ubiquitination-dependent degradation. Neddylation-dependent CUL1 activity at the centrosomes was essential for centrosomal Dvl2 degradation and primary ciliogenesis. Therefore, this study provides a new mechanism of Dvl2 degradation by CUL1, which ultimately leads to primary ciliogenesis, and suggest a novel target for primary cilia-related human diseases.
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16
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Beitia GJ, Rutherford TJ, Freund SMV, Pelham HR, Bienz M, Gammons MV. Regulation of Dishevelled DEP domain swapping by conserved phosphorylation sites. Proc Natl Acad Sci U S A 2021; 118:e2103258118. [PMID: 34155117 PMCID: PMC8256032 DOI: 10.1073/pnas.2103258118] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Wnt signals bind to Frizzled receptors to trigger canonical and noncanonical signaling responses that control cell fates during animal development and tissue homeostasis. All Wnt signals are relayed by the hub protein Dishevelled. During canonical (β-catenin-dependent) signaling, Dishevelled assembles signalosomes via dynamic head-to-tail polymerization of its Dishevelled and Axin (DIX) domain, which are cross-linked by its Dishevelled, Egl-10, and Pleckstrin (DEP) domain through a conformational switch from monomer to domain-swapped dimer. The domain-swapped conformation of DEP masks the site through which Dishevelled binds to Frizzled, implying that DEP domain swapping results in the detachment of Dishevelled from Frizzled. This would be incompatible with noncanonical Wnt signaling, which relies on long-term association between Dishevelled and Frizzled. It is therefore likely that DEP domain swapping is differentially regulated during canonical and noncanonical Wnt signaling. Here, we use NMR spectroscopy and cell-based assays to uncover intermolecular contacts in the DEP dimer that are essential for its stability and for Dishevelled function in relaying canonical Wnt signals. These contacts are mediated by an intrinsically structured sequence spanning a conserved phosphorylation site upstream of the DEP domain that serves to clamp down the swapped N-terminal α-helix onto the structural core of a reciprocal DEP molecule in the domain-swapped configuration. Mutations of this phosphorylation site and its cognate surface on the reciprocal DEP core attenuate DEP-dependent dimerization of Dishevelled and its canonical signaling activity in cells without impeding its binding to Frizzled. We propose that phosphorylation of this crucial residue could be employed to switch off canonical Wnt signaling.
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Affiliation(s)
- Gonzalo J Beitia
- Medical Research Council Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, CB2 0QH, United Kingdom
| | - Trevor J Rutherford
- Medical Research Council Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, CB2 0QH, United Kingdom
| | - Stefan M V Freund
- Medical Research Council Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, CB2 0QH, United Kingdom
| | - Hugh R Pelham
- Medical Research Council Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, CB2 0QH, United Kingdom
| | - Mariann Bienz
- Medical Research Council Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, CB2 0QH, United Kingdom
| | - Melissa V Gammons
- Medical Research Council Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, CB2 0QH, United Kingdom
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17
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Lu JW, Lin SH, Yeh CM, Yeh KT, Huang LR, Chen CY, Lin YM. Cytoplasmic CK1ε Protein Expression Is Correlated With Distant Metastasis and Survival in Patients With Melanoma. In Vivo 2021; 34:2905-2911. [PMID: 32871831 DOI: 10.21873/invivo.12119] [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: 05/12/2020] [Revised: 06/12/2020] [Accepted: 06/16/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND/AIM Casein kinase 1 epsilon (CK1ε) is a member of the casein kinase 1 family, which includes highly conserved and ubiquitous serine/threonine protein kinases. Recent research has revealed that CK1ε plays an important role in a variety of human cancer types; however, its role in human melanoma remains unclear. The aim of this study was to elucidate the clinical role of CK1ε in patients with melanoma. PATIENTS AND METHODS Samples from 34 patients with melanoma were analyzed by immunohistochemical staining. Formalin-fixed paraffin-embedded tissue microarrays were also examined by two histopathologists to assess CK1ε protein expression in humans. RESULTS Cytoplasmic CK1ε protein expression was significantly lower in tumor tissue than in normal tissue. Lack of cytoplasmic CK1ε protein was significantly correlated with distant metastasis (p=0.022) and poorer survival (p=0.030). However, Kaplan-Meier survival analysis revealed that elevated expression of cytoplasmic CK1ε protein was not significantly associated with the overall survival of patients with melanoma. Univariate and multivariate analyses demonstrated that lack of cytoplasmic CK1ε protein expression was related to distant metastasis (p<0.001 and p=0.004), showing that CK1ε was a prognostic factor. CONCLUSION CK1ε protein expression might serve as a prognostic indicator in the treatment of patients with melanoma.
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Affiliation(s)
- Jeng-Wei Lu
- Department of Biological Sciences, National University of Singapore, Singapore, Singapore
| | - Shu-Hui Lin
- Department of Surgical Pathology, Changhua Christian Hospital, Changhua, Taiwan, R.O.C.,Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung, Taiwan, R.O.C
| | - Chung-Min Yeh
- Department of Surgical Pathology, Changhua Christian Hospital, Changhua, Taiwan, R.O.C.,Department of Medical Technology, Jen-Teh Junior College of Medicine, Nursing and Management, Miaoli, Taiwan, R.O.C
| | - Kun-Tu Yeh
- Department of Surgical Pathology, Changhua Christian Hospital, Changhua, Taiwan, R.O.C.,School of Medicine, Chung Shan Medical University, Taichung, Taiwan, R.O.C
| | - Lan-Ru Huang
- Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung, Taiwan, R.O.C
| | - Chia-Yu Chen
- Department of Surgical Pathology, Changhua Christian Hospital, Changhua, Taiwan, R.O.C
| | - Yueh-Min Lin
- Department of Surgical Pathology, Changhua Christian Hospital, Changhua, Taiwan, R.O.C. .,School of Medicine, Chung Shan Medical University, Taichung, Taiwan, R.O.C
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18
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Proteomic analysis identifies the E3 ubiquitin ligase Pdzrn3 as a regulatory target of Wnt5a-Ror signaling. Proc Natl Acad Sci U S A 2021; 118:2104944118. [PMID: 34135125 DOI: 10.1073/pnas.2104944118] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Wnt5a-Ror signaling is a conserved pathway that regulates morphogenetic processes during vertebrate development [R. T. Moon et al, Development 119, 97-111 (1993); I. Oishi et al, Genes Cells 8, 645-654 (2003)], but its downstream signaling events remain poorly understood. Through a large-scale proteomic screen in mouse embryonic fibroblasts, we identified the E3 ubiquitin ligase Pdzrn3 as a regulatory target of the Wnt5a-Ror pathway. Upon pathway activation, Pdzrn3 is degraded in a β-catenin-independent, ubiquitin-proteasome system-dependent manner. We developed a flow cytometry-based reporter to monitor Pdzrn3 abundance and delineated a signaling cascade involving Frizzled, Dishevelled, Casein kinase 1, and Glycogen synthase kinase 3 that regulates Pdzrn3 stability. Epistatically, Pdzrn3 is regulated independently of Kif26b, another Wnt5a-Ror effector. Wnt5a-dependent degradation of Pdzrn3 requires phosphorylation of three conserved amino acids within its C-terminal LNX3H domain [M. Flynn, O. Saha, P. Young, BMC Evol. Biol. 11, 235 (2011)], which acts as a bona fide Wnt5a-responsive element. Importantly, this phospho-dependent degradation is essential for Wnt5a-Ror modulation of cell migration. Collectively, this work establishes a Wnt5a-Ror cell morphogenetic cascade involving Pdzrn3 phosphorylation and degradation.
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19
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Paclíková P, Radaszkiewicz TW, Potěšil D, Harnoš J, Zdráhal Z, Bryja V. Roles of individual human Dishevelled paralogs in the Wnt signalling pathways. Cell Signal 2021; 85:110058. [PMID: 34082011 DOI: 10.1016/j.cellsig.2021.110058] [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: 03/29/2021] [Revised: 05/26/2021] [Accepted: 05/27/2021] [Indexed: 12/21/2022]
Abstract
Dishevelled (DVL) proteins are key mediators of most Wnt pathways. In all vertebrates, three DVL paralogs are present (DVL1, DVL2 and DVL3) but it is poorly defined to what extent they are functionally redundant. Here, we generated T-REx HEK 293 cells with only one DVL paralog (i.e., DVL1-only, DVL2-only, and DVL3-only) and compared their response to Wnt-3a and Wnt-5a ligands with wild type and DVL triple knockout cells. We show that DVL is essential, in addition to the previously shown Wnt-3a-induced phosphorylation of LRP6 and transcriptional activation of TCF/LEF-dependent reporter, also for Wnt-3a-induced degradation of AXIN1 and Wnt-5a-induced phosphorylation of ROR1. We have quantified the molar ratios of DVL1:DVL2:DVL3 in our model to be approximately 4:80:16. Interestingly, DVL-only cells do not compensate for the lack of other paralogs and are still fully functional in all analyzed readouts with the exception of Wnt-3a-induced transcription assessed by TopFlash assay. In this assay, the DVL1-only cell line was the most potent; on the contrary, the DVL3-only cell line exhibited only the negligible capacity to mediate Wnt signals. Using a novel model system - complementation assays in T-REx HEK 293 with amplified Wnt signal response (RNF43/ZNRF3/DVL1/DVL2/DVL3 penta KO cells) we demonstrate that it is not the total amount of DVL but ratio of individual paralogs what decides the signal strength. In sum, this study contributes to our better understanding of the role of individual human DVL paralogs in the Wnt pathway.
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Affiliation(s)
- Petra Paclíková
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | | | - David Potěšil
- Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Jakub Harnoš
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Zbyněk Zdráhal
- Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Vítězslav Bryja
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic; Institute of Biophysics, Academy of Sciences of Czech Republic, Brno, Czech Republic.
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20
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Kaiser K, Jang A, Kompanikova P, Lun MP, Prochazka J, Machon O, Dani N, Prochazkova M, Laurent B, Gyllborg D, van Amerongen R, Fame RM, Gupta S, Wu F, Barker RA, Bukova I, Sedlacek R, Kozmik Z, Arenas E, Lehtinen MK, Bryja V. MEIS-WNT5A axis regulates development of fourth ventricle choroid plexus. Development 2021; 148:268365. [PMID: 34032267 DOI: 10.1242/dev.192054] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 04/14/2021] [Indexed: 12/29/2022]
Abstract
The choroid plexus (ChP) produces cerebrospinal fluid and forms an essential brain barrier. ChP tissues form in each brain ventricle, each one adopting a distinct shape, but remarkably little is known about the mechanisms underlying ChP development. Here, we show that epithelial WNT5A is crucial for determining fourth ventricle (4V) ChP morphogenesis and size in mouse. Systemic Wnt5a knockout, or forced Wnt5a overexpression beginning at embryonic day 10.5, profoundly reduced ChP size and development. However, Wnt5a expression was enriched in Foxj1-positive epithelial cells of 4V ChP plexus, and its conditional deletion in these cells affected the branched, villous morphology of the 4V ChP. We found that WNT5A was enriched in epithelial cells localized to the distal tips of 4V ChP villi, where WNT5A acted locally to activate non-canonical WNT signaling via ROR1 and ROR2 receptors. During 4V ChP development, MEIS1 bound to the proximal Wnt5a promoter, and gain- and loss-of-function approaches demonstrated that MEIS1 regulated Wnt5a expression. Collectively, our findings demonstrate a dual function of WNT5A in ChP development and identify MEIS transcription factors as upstream regulators of Wnt5a in the 4V ChP epithelium.
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Affiliation(s)
- Karol Kaiser
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno 61137, Czech Republic
| | - Ahram Jang
- Department of Pathology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Petra Kompanikova
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno 61137, Czech Republic
| | - Melody P Lun
- Department of Pathology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Jan Prochazka
- Czech Centre for Phenogenomics and Laboratory of Transgenic Models of Diseases, Institute of Molecular Genetics of the CAS, Prague 142 20, Czech Republic
| | - Ondrej Machon
- Laboratory of Transcriptional Regulation, Institute of Molecular Genetics of the CAS, Prague 142 20, Czech Republic
| | - Neil Dani
- Department of Pathology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Michaela Prochazkova
- Czech Centre for Phenogenomics and Laboratory of Transgenic Models of Diseases, Institute of Molecular Genetics of the CAS, Prague 142 20, Czech Republic
| | - Benoit Laurent
- Research Center on Aging, CIUSSS de l'Estrie - CHUS, Sherbrooke, QC 75361, Canada.,Department of Biochemistry and Functional Genomics, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, QC 75281, Canada
| | - Daniel Gyllborg
- Science for Life Laboratory, Department of Biochemistry and Biophysics, Stockholm University, Solna SE-106 91, Sweden
| | - Renee van Amerongen
- Swammerdam Institute for Life Sciences, Section of Molecular Cytology, Faculty of Science, University of Amsterdam1098 XH, Netherlands
| | - Ryann M Fame
- Department of Pathology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Suhasini Gupta
- Department of Pathology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Feizhen Wu
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Roger A Barker
- John van Geest Centre for Brain Repair and WT-MRC Cambridge Stem Cell Centre, University of Cambridge, Cambridge CB2 0PY, UK
| | - Ivana Bukova
- Czech Centre for Phenogenomics and Laboratory of Transgenic Models of Diseases, Institute of Molecular Genetics of the CAS, Prague 142 20, Czech Republic
| | - Radislav Sedlacek
- Czech Centre for Phenogenomics and Laboratory of Transgenic Models of Diseases, Institute of Molecular Genetics of the CAS, Prague 142 20, Czech Republic
| | - Zbynek Kozmik
- Laboratory of Transcriptional Regulation, Institute of Molecular Genetics of the CAS, Prague 142 20, Czech Republic
| | - Ernest Arenas
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm 171 77, Sweden
| | - Maria K Lehtinen
- Department of Pathology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Vitezslav Bryja
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno 61137, Czech Republic
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21
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Hwang JA, Yu JE, Kim SO, Kim DH, Cho KS, Lee KH. Wnt5a-induced docking of Plk1 on HEF1 promotes HEF1 translocation and tumorigenesis. Genes Genomics 2021; 43:567-575. [PMID: 33826094 DOI: 10.1007/s13258-021-01088-x] [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: 03/14/2021] [Accepted: 03/18/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Upregulation of human enhancer filamentation 1 (HEF1/NEDD9/Cas-L) and Polo-like kinase 1 (Plk1) is closely correlated with metastasis of human cancer. However, the mechanism by which the overexpression of HEF1 or Plk1 stimulates cancer metastasis and induces tumorigenesis remains enigmatic. In addition, the accumulation of HEF1 at the focal adhesion (FA) is known to be an essential event in cancer cell migration, but the mechanism of how HEF1 is targeted to the FA remains yet to be unveiled. OBJECTIVE This study was performed to elucidate the FA docking mechanism of HEF1 and to determine its effect on tumorigenesis. METHODS To confirm the effect of the kinase on HEF1 translocation, various expression-knockdown stable cell lines were generated using a lentivirus system, and the effect of the HEF1-Plk1 complex on tumorigenesis was confirmed using a xenograft mouse model. RESULTS Here, we show that Wnt5a-dependent Plk1 binding to HEF1 is critically required for HEF1 translocation to the FA. We also confirmed that Plk1 and CK1δ activities essential for HEF1 translocation are induced by Wnt5a. Finally, we confirmed the induction of tumorigenesis by the HEF1-Plk1 complex in the xenograft mouse model. CONCLUSION Our data collectively unveil the Wnt5a-CK1δ-HEF1-Plk1-FA remodeling pathway that governs HEF1 transportation to the FA to induce cell migration and tumorigenesis. This study sheds light on a mechanism underlying tumorigenesis and provides new strategies for anticancer therapy.
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Affiliation(s)
- Jeong-Ah Hwang
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 30 Yeongudanji-ro, Ochang, Cheongwon, Chungbuk, 28116, South Korea
- Department of Anatomy, College of Medicine, Research Institute of Medical Sciences, Chungnam National University, Daejeon, South Korea
| | - Ji Eun Yu
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 30 Yeongudanji-ro, Ochang, Cheongwon, Chungbuk, 28116, South Korea
- College of Pharmacy & Medical Research Center, Chungbuk National University, Chungbuk, 28160, South Korea
| | - Sun-Ok Kim
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 30 Yeongudanji-ro, Ochang, Cheongwon, Chungbuk, 28116, South Korea
| | - Dong Hyun Kim
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 30 Yeongudanji-ro, Ochang, Cheongwon, Chungbuk, 28116, South Korea
| | - Kyoung Sang Cho
- Department of Biological Sciences, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, South Korea.
| | - Kyung Ho Lee
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 30 Yeongudanji-ro, Ochang, Cheongwon, Chungbuk, 28116, South Korea.
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22
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Jurásek M, Kumar J, Paclíková P, Kumari A, Tripsianes K, Bryja V, Vácha R. Phosphorylation-induced changes in the PDZ domain of Dishevelled 3. Sci Rep 2021; 11:1484. [PMID: 33452274 PMCID: PMC7810883 DOI: 10.1038/s41598-020-79398-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 12/04/2020] [Indexed: 01/29/2023] Open
Abstract
The PDZ domain of Dishevelled 3 protein belongs to a highly abundant protein recognition motif which typically binds short C-terminal peptides. The affinity of the PDZ towards the peptides could be fine-tuned by a variety of post-translation modifications including phosphorylation. However, how phosphorylations affect the PDZ structure and its interactions with ligands remains elusive. Combining molecular dynamics simulations, NMR titration, and biological experiments, we explored the role of previously reported phosphorylation sites and their mimetics in the Dishevelled PDZ domain. Our observations suggest three major roles for phosphorylations: (1) acting as an on/off PDZ binding switch, (2) allosterically affecting the binding groove, and (3) influencing the secondary binding site. Our simulations indicated that mimetics had similar but weaker effects, and the effects of distinct sites were non-additive. This study provides insight into the Dishevelled regulation by PDZ phosphorylation. Furthermore, the observed effects could be used to elucidate the regulation mechanisms in other PDZ domains.
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Affiliation(s)
- Miroslav Jurásek
- grid.10267.320000 0001 2194 0956National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic
| | - Jitender Kumar
- grid.10267.320000 0001 2194 0956CEITEC – Central European Institute of Technology, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic
| | - Petra Paclíková
- grid.10267.320000 0001 2194 0956Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500 Czech Republic
| | - Alka Kumari
- grid.10267.320000 0001 2194 0956Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500 Czech Republic
| | - Konstantinos Tripsianes
- grid.10267.320000 0001 2194 0956CEITEC – Central European Institute of Technology, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic
| | - Vítězslav Bryja
- grid.10267.320000 0001 2194 0956Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500 Czech Republic ,grid.418095.10000 0001 1015 3316Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Brno, 612 65 Czech Republic
| | - Robert Vácha
- grid.10267.320000 0001 2194 0956National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic ,grid.10267.320000 0001 2194 0956CEITEC – Central European Institute of Technology, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic
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23
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Iyer M, Subramaniam MD, Venkatesan D, Cho SG, Ryding M, Meyer M, Vellingiri B. Role of RhoA-ROCK signaling in Parkinson's disease. Eur J Pharmacol 2020; 894:173815. [PMID: 33345850 DOI: 10.1016/j.ejphar.2020.173815] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 12/07/2020] [Accepted: 12/11/2020] [Indexed: 12/16/2022]
Abstract
Parkinson's disease (PD) is a complex and widespread neurodegenerative disease characterized by depletion of midbrain dopaminergic (DA) neurons. Key issues are the development of therapies that can stop or reverse the disease progression, identification of dependable biomarkers, and better understanding of the pathophysiological mechanisms of PD. RhoA-ROCK signals appear to have an important role in PD symptoms, making it a possible approach for PD treatment strategies. Activation of RhoA-ROCK (Rho-associated coiled-coil containing protein kinase) appears to stimulate various PD risk factors including aggregation of alpha-synuclein (αSyn), dysregulation of autophagy, and activation of apoptosis. This manuscript reviews current updates about the biology and function of the RhoA-ROCK pathway and discusses the possible role of this signaling pathway in causing the pathogenesis of PD. We conclude that inhibition of the RhoA-ROCK signaling pathway may have high translational potential and could be a promising therapeutic target in PD.
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Affiliation(s)
- Mahalaxmi Iyer
- Department of Genetics and Molecular Biology, Sankara Nethralaya, Chennai, 600 006, Tamil Nadu, India
| | - Mohana Devi Subramaniam
- Department of Genetics and Molecular Biology, Sankara Nethralaya, Chennai, 600 006, Tamil Nadu, India
| | - Dhivya Venkatesan
- Human Molecular Cytogenetics and Stem Cell Laboratory, Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore, 641 046, Tamil Nadu, India
| | - Ssang-Goo Cho
- Department of Stem Cell & Regenerative Biotechnology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, South Korea
| | - Matias Ryding
- Department of Neurobiology Research, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Morten Meyer
- Department of Neurobiology Research, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark; Department of Neurology, Odense University Hospital, Odense, Denmark; Brain Research - Inter Disciplinary Guided Excellence (BRIDGE), Odense, Denmark
| | - Balachandar Vellingiri
- Human Molecular Cytogenetics and Stem Cell Laboratory, Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore, 641 046, Tamil Nadu, India.
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24
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Fulcher LJ, Sapkota GP. Functions and regulation of the serine/threonine protein kinase CK1 family: moving beyond promiscuity. Biochem J 2020; 477:4603-4621. [PMID: 33306089 PMCID: PMC7733671 DOI: 10.1042/bcj20200506] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 11/09/2020] [Accepted: 11/10/2020] [Indexed: 12/11/2022]
Abstract
Regarded as constitutively active enzymes, known to participate in many, diverse biological processes, the intracellular regulation bestowed on the CK1 family of serine/threonine protein kinases is critically important, yet poorly understood. Here, we provide an overview of the known CK1-dependent cellular functions and review the emerging roles of CK1-regulating proteins in these processes. We go on to discuss the advances, limitations and pitfalls that CK1 researchers encounter when attempting to define relationships between CK1 isoforms and their substrates, and the challenges associated with ascertaining the correct physiological CK1 isoform for the substrate of interest. With increasing interest in CK1 isoforms as therapeutic targets, methods of selectively inhibiting CK1 isoform-specific processes is warranted, yet challenging to achieve given their participation in such a vast plethora of signalling pathways. Here, we discuss how one might shut down CK1-specific processes, without impacting other aspects of CK1 biology.
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Affiliation(s)
- Luke J. Fulcher
- Department of Biochemistry, University of Oxford, Oxford, U.K
| | - Gopal P. Sapkota
- Medical Research Council Protein Phosphorylation and Ubiquitylation Unit, College of Life Sciences, University of Dundee, Dundee, U.K
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25
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Janovská P, Normant E, Miskin H, Bryja V. Targeting Casein Kinase 1 (CK1) in Hematological Cancers. Int J Mol Sci 2020; 21:E9026. [PMID: 33261128 PMCID: PMC7730698 DOI: 10.3390/ijms21239026] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 11/20/2020] [Accepted: 11/21/2020] [Indexed: 02/06/2023] Open
Abstract
The casein kinase 1 enzymes (CK1) form a family of serine/threonine kinases with seven CK1 isoforms identified in humans. The most important substrates of CK1 kinases are proteins that act in the regulatory nodes essential for tumorigenesis of hematological malignancies. Among those, the most important are the functions of CK1s in the regulation of Wnt pathways, cell proliferation, apoptosis and autophagy. In this review we summarize the recent developments in the understanding of biology and therapeutic potential of the inhibition of CK1 isoforms in the pathogenesis of chronic lymphocytic leukemia (CLL), other non-Hodgkin lymphomas (NHL), myelodysplastic syndrome (MDS), acute myeloid leukemia (AML) and multiple myeloma (MM). CK1δ/ε inhibitors block CLL development in preclinical models via inhibition of WNT-5A/ROR1-driven non-canonical Wnt pathway. While no selective CK1 inhibitors have reached clinical stage to date, one dual PI3Kδ and CK1ε inhibitor, umbralisib, is currently in clinical trials for CLL and NHL patients. In MDS, AML and MM, inhibition of CK1α, acting via activation of p53 pathway, showed promising preclinical activities and the first CK1α inhibitor has now entered the clinical trials.
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Affiliation(s)
- Pavlína Janovská
- Department of Experimental Biology, Faculty of Science, Masaryk University, 62500 Brno, Czech Republic;
| | | | - Hari Miskin
- TG Therapeutics, New York, NY 10014, USA; (E.N.); (H.M.)
| | - Vítězslav Bryja
- Department of Experimental Biology, Faculty of Science, Masaryk University, 62500 Brno, Czech Republic;
- Department of Cytokinetics, Institute of Biophysics, Academy of Sciences of the Czech Republic, 61265 Brno, Czech Republic
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26
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Abstract
Deregulated phosphatidylinositide 3-kinase (PI3K) signaling plays a crucial role in the biology of different lymphoma entities leading to the proliferation and survival of the malignant cells. Due to novel treatment options and modern supportive care, the outcome of patients with lymphomas has significantly improved in the past years. However, patients with relapsed or refractory disease still have a limited prognosis. PI3K inhibitors represent a modern and effective therapeutic option for patients with different types of lymphoma. However, the efficacy of PI3K inhibitors varies among lymphoma entities. Additionally, severe toxicity including infectious and autoimmune complications leading to therapy-related deaths has been observed. Next-generation PI3K inhibitors show promising efficacy and manageable toxicity profiles. Future research might identify effective combinatorial therapy approaches for PI3K inhibitors to further improve response rates. This review discusses the most recent developments in the field of PI3K inhibition in different subtypes of lymphoma.
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Affiliation(s)
- Philipp Berning
- Department of Medicine A, Hematology, Oncology, and Pneumology, University Hospital Münster, Münster, Germany
| | - Georg Lenz
- Department of Medicine A, Hematology, Oncology, and Pneumology, University Hospital Münster, Münster, Germany
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27
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Visentin A, Frezzato F, Severin F, Imbergamo S, Pravato S, Romano Gargarella L, Manni S, Pizzo S, Ruggieri E, Facco M, Brunati AM, Semenzato G, Piazza F, Trentin L. Lights and Shade of Next-Generation Pi3k Inhibitors in Chronic Lymphocytic Leukemia. Onco Targets Ther 2020; 13:9679-9688. [PMID: 33061448 PMCID: PMC7532889 DOI: 10.2147/ott.s268899] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 09/03/2020] [Indexed: 12/12/2022] Open
Abstract
The treatment (i.e. therapy and management) of chronic lymphocytic leukemia (i.e. the disease) has been improved thanks to the introduction (i.e. approval) of kinase inhibitors during the last years. PI3K is one of the most important kinases at the crossroad to the B-cell receptor and cytokine receptor which play a key role in CLL cell survival, proliferation and migration. Idelalisib is the first in class PI3Kδ inhibitor approved for the treatment of relapsed/refractory CLL in combination with rituximab. Idelalisib activity in heavily treated patients is balanced by recurrent adverse events which limit its long-term use. These limitations prompt the investigation on novel PI3K inhibitors, also targeting different protein isoforms, and alternative schedule strategies. In this regard, duvelisib is the only PI3K γ and δ inhibitor approved as single agent for relapsed CLL. In this review, we will address novel insights on PI3K structure, isoforms, regulating signaling and the most updated data of next-generation PI3K inhibitors in CLL.
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Affiliation(s)
- Andrea Visentin
- Hematology and Clinical Immunology Unit, Department of Medicine, University of Padua, Padua, Italy.,Veneto Institute of Molecular Medicine, Padua, Italy
| | - Federica Frezzato
- Hematology and Clinical Immunology Unit, Department of Medicine, University of Padua, Padua, Italy.,Veneto Institute of Molecular Medicine, Padua, Italy
| | - Filippo Severin
- Hematology and Clinical Immunology Unit, Department of Medicine, University of Padua, Padua, Italy.,Veneto Institute of Molecular Medicine, Padua, Italy
| | - Silvia Imbergamo
- Hematology and Clinical Immunology Unit, Department of Medicine, University of Padua, Padua, Italy
| | - Stefano Pravato
- Hematology and Clinical Immunology Unit, Department of Medicine, University of Padua, Padua, Italy
| | - Leila Romano Gargarella
- Hematology and Clinical Immunology Unit, Department of Medicine, University of Padua, Padua, Italy
| | - Sabrina Manni
- Hematology and Clinical Immunology Unit, Department of Medicine, University of Padua, Padua, Italy.,Veneto Institute of Molecular Medicine, Padua, Italy
| | - Serena Pizzo
- Hematology and Clinical Immunology Unit, Department of Medicine, University of Padua, Padua, Italy.,Veneto Institute of Molecular Medicine, Padua, Italy
| | - Edoardo Ruggieri
- Hematology and Clinical Immunology Unit, Department of Medicine, University of Padua, Padua, Italy.,Veneto Institute of Molecular Medicine, Padua, Italy
| | - Monica Facco
- Hematology and Clinical Immunology Unit, Department of Medicine, University of Padua, Padua, Italy.,Veneto Institute of Molecular Medicine, Padua, Italy
| | | | - Gianpietro Semenzato
- Hematology and Clinical Immunology Unit, Department of Medicine, University of Padua, Padua, Italy.,Veneto Institute of Molecular Medicine, Padua, Italy
| | - Francesco Piazza
- Hematology and Clinical Immunology Unit, Department of Medicine, University of Padua, Padua, Italy.,Veneto Institute of Molecular Medicine, Padua, Italy
| | - Livio Trentin
- Hematology and Clinical Immunology Unit, Department of Medicine, University of Padua, Padua, Italy.,Veneto Institute of Molecular Medicine, Padua, Italy
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28
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Vural A, Lanier SM. Intersection of two key signal integrators in the cell: activator of G-protein signaling 3 and dishevelled-2. J Cell Sci 2020; 133:jcs247908. [PMID: 32737219 PMCID: PMC7490517 DOI: 10.1242/jcs.247908] [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: 04/21/2020] [Accepted: 07/23/2020] [Indexed: 10/23/2022] Open
Abstract
Activator of G-protein signaling 3 (AGS3, encoded by GPSM1) was discovered as a one of several receptor-independent activators of G-protein signaling, which are postulated to provide a platform for divergence between canonical and noncanonical G-protein signaling pathways. Similarly, Dishevelled (DVL) proteins serve as a point of divergence for β-catenin-dependent and -independent signaling pathways involving the family of Frizzled (FZD) ligands and cell-surface WNT receptors. We recently discovered the apparent regulated localization of dishevelled-2 (DVL2) and AGS3 to distinct cellular puncta, suggesting that the two proteins interact as part of various cell signaling systems. To address this hypothesis, we asked the following questions: (1) do AGS3 signaling pathways influence the activation of β-catenin (CTNNB1)-regulated transcription through the WNT-Frizzled-Dishevelled axis, and (2) is the AGS3 and DVL2 interaction regulated? The interaction of AGS3 and DVL2 was regulated by protein phosphorylation, subcellular distribution, and a cell-surface G-protein-coupled receptor. These data, and the commonality of functional system impacts observed for AGS3 and DVL2, suggest that the AGS3-DVL2 complex presents an unexpected path for functional integration within the cell.This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
- Ali Vural
- Department of Pharmacology, Wayne State University School of Medicine, Detroit, MI 48201, USA
| | - Stephen M Lanier
- Department of Pharmacology, Wayne State University School of Medicine, Detroit, MI 48201, USA
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29
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Bono B, Franco G, Riva V, Garbelli A, Maga G. Novel Insights into the Biochemical Mechanism of CK1ε and its Functional Interplay with DDX3X. Int J Mol Sci 2020; 21:ijms21176449. [PMID: 32899434 PMCID: PMC7503845 DOI: 10.3390/ijms21176449] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/14/2020] [Accepted: 09/01/2020] [Indexed: 11/23/2022] Open
Abstract
Casein Kinase 1 epsilon (CK1ε) is a member of the serine (Ser)/threonine (Thr) CK1 family, known to have crucial roles in several biological scenarios and, ever more frequently, in pathological contexts, such as cancer. Recently, the human DEAD-box RNA helicase 3 X-linked (DDX3X), involved in cancer proliferation and viral infections, has been identified as one of CK1ε substrates and its positive regulator in the Wnt/β-catenin network. However, the way by which these two proteins influence each other has not been fully clarified. In order to further investigate their interplay, we defined the kinetic parameters of CK1ε towards its substrates: ATP, casein, Dvl2 and DDX3X. CK1ε affinity for ATP depends on the nature of the substrate: increasing of casein concentrations led to an increase of KmATP, while increasing DDX3X reduced it. In literature, DDX3X is described to act as an allosteric activator of CK1ε. However, when we performed kinase reactions combining DDX3X and casein, we did not find a positive effect of DDX3X on casein phosphorylation by CK1ε, while both substrates were phosphorylated in a competitive manner. Moreover, CK1ε positively stimulates DDX3X ATPase activity. Our data provide a more detailed kinetic characterization on the functional interplay of these two proteins.
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30
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Activity of Smurf2 Ubiquitin Ligase Is Regulated by the Wnt Pathway Protein Dishevelled. Cells 2020; 9:cells9051147. [PMID: 32392721 PMCID: PMC7290506 DOI: 10.3390/cells9051147] [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: 04/14/2020] [Revised: 05/01/2020] [Accepted: 05/04/2020] [Indexed: 01/17/2023] Open
Abstract
Wnt and BMP signaling pathways are two key molecular machineries regulating development and homeostasis. The efficient coordination of Wnt and BMP is essential in many developmental processes such as establishment of antero-posterior and dorso-ventral body axis, regulation of convergent extension, or development of various organ systems. SMAD ubiquitination regulatory factor (Smurf) family of E3 ubiquitin ligases are important and evolutionary conserved regulators of TGF-β/BMP signaling pathways. Smurf2 has been previously shown to regulate Wnt/planar cell polarity (PCP) signaling pathway by ubiquitinating Prickle1, one of the key components of PCP. We explored the role of Smurf2 in Wnt pathways in further detail and identified that Smurf2 is also a ubiquitin ligase of Dishevelled (DVL), the key cytoplasmic signal transducer in the Wnt pathway. Interestingly, the Smurf2 and DVL relationship expands beyond substrate-E3 ligase. We can show that DVL activates Smurf2, which allows Smurf2 to ubiquitinate its substrates from Wnt/PCP (Prickle1) as well as TGF-β/BMP (Smad2) pathways more efficiently. Using SMAD7 as an example of Smurf2 activator we show that DVL and SMAD7 both activates Smurf2 activity. In HEK293 cells the deficiency of DVL phenocopies absence of Smurf2 and leads to the increased phosphorylation of R-Smads. Smurf2-DVL connection provides a novel and intriguing point of crosstalk for Wnt and BMP pathways.
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31
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He T, Wu D, He L, Wang X, Yang B, Li S, Chen Y, Wang K, Chen R, Liu B, Zhang L, Rong L. Casein kinase 1 epsilon facilitates cartilage destruction in osteoarthritis through JNK pathway. FASEB J 2020; 34:6466-6478. [PMID: 32175635 DOI: 10.1096/fj.201902672r] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 02/11/2020] [Accepted: 03/03/2020] [Indexed: 12/13/2022]
Abstract
Osteoarthritis (OA) is a high-morbidity skeletal disease worldwide and the exact mechanisms underlying OA pathogenesis are not fully understood. Casein kinase 1 epsilon (CK1ε) is a serine/threonine protein kinase, but its relationship with OA is still unknown. We demonstrated that CK1ε was upregulated in articular cartilage of human patients with OA and mice with experimentally induced OA. Activity of CK1ε, demonstrated by analysis of phosphorylated substrates, was significantly elevated in interleukin (IL)-1β-induced OA-mimicking chondrocytes. CK1ε inhibitor or CK1ε short hairpin RNA (shRNA) partially blocked matrix metalloproteinase (MMP) expression by primary chondrocytes induced by IL-1β, and also inhibited cartilage destruction in knee joints of experimental OA model mice. Conversely, overexpression of CK1ε promoted chondrocyte catabolism. Previous studies indicated that CK1ε was involved in canonical Wnt/β-catenin signaling and noncanonical Wnt/c-Jun N-terminal kinase (JNK) signaling pathway. Interestingly, the activity of JNK but not β-catenin decreased after CK1ε knockdown in IL-1β-treated chondrocytes in vitro, and JNK inhibition reduced MMP expression in chondrocytes overexpressing CK1ε, which illustrated that CK1ε-mediated OA was based on JNK pathway. In conclusion, our results demonstrate that CK1ε promotes OA development, and inhibition of CK1ε could be a potential strategy for OA treatment in the future.
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Affiliation(s)
- Tianwei He
- Department of Spine Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Depeng Wu
- Department of Spine Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Lei He
- Department of Spine Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Xuan Wang
- Department of Spine Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Bu Yang
- Department of Spine Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Shangfu Li
- Department of Spine Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Yuyong Chen
- Department of Spine Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Kun Wang
- Department of Joint Surgery and Orthopedic Trauma, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China
| | - Ruiqiang Chen
- Department of Spine Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Bin Liu
- Department of Spine Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Liangming Zhang
- Department of Spine Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
| | - Limin Rong
- Department of Spine Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, PR China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, PR China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, PR China
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32
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Kienle DL, Stilgenbauer S. Approved and emerging PI3K inhibitors for the treatment of chronic lymphocytic leukemia and non-Hodgkin lymphoma. Expert Opin Pharmacother 2020; 21:917-929. [PMID: 32162560 DOI: 10.1080/14656566.2020.1737010] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION PI3K inhibition with idelalisib (at that time CAL-101) was at the forefront of the development of molecularly targeted therapies in Chronic Lymphocytic Leukemia (CLL)/Small Lymphocytic Leukemia (SLL) and follicular lymphoma. However, after initial approval, subsequent trials identified specific immune-mediated and infectious toxicity that led to a reduced use and stopped the further development of this agent. PI3K inhibition as a treatment paradigm fell out of favor compared to other developments such as BTK or BCL2 inhibitors. AREAS COVERED This review provides an overview of the experience with approved PI3Ki, including long-term experience, and highlights the current PI3Ki developments in CLL, B-cell and T-Cell Non-Hodgkin's Lymphoma. EXPERT OPINION With careful monitoring and prophylaxis usage of the first-generation PI3K inhibitor, idelalisib, in the approved indications, it is safe and remains an option in higher line therapy after the failure of other novel agents and/or chemoimmunotherapy. New developments with next-generation PI3K inhibitors of improved tolerability and sustained efficacy reignited the treatment principle and already led to newly approved therapeutic options for patients. Certainly, the authors here believe that PI3K inhibitors as a monotherapy and in combination with other agents is currently a rapidly evolving field in cancer treatment.
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Affiliation(s)
- Dirk L Kienle
- Department of Internal Medicine III, Ulm University , Ulm, Germany.,Department of Oncology/Hematology, Kantonsspital Graubünden , Chur, Switzerland
| | - Stephan Stilgenbauer
- Department of Internal Medicine III, Ulm University , Ulm, Germany.,Klinik Für Innere Medizin I, Universitätsklinikum Des Saarlandes , Homburg, Germany
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33
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Villarroel A, Del Valle-Pérez B, Fuertes G, Curto J, Ontiveros N, Garcia de Herreros A, Duñach M. Src and Fyn define a new signaling cascade activated by canonical and non-canonical Wnt ligands and required for gene transcription and cell invasion. Cell Mol Life Sci 2020; 77:919-935. [PMID: 31312879 PMCID: PMC11104847 DOI: 10.1007/s00018-019-03221-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 07/01/2019] [Accepted: 07/05/2019] [Indexed: 01/12/2023]
Abstract
Wnt ligands signal through canonical or non-canonical signaling pathways. Although both routes share common elements, such as the Fz2 receptor, they differ in the co-receptor and in many of the final responses; for instance, whereas canonical Wnts increase β-catenin stability, non-canonical ligands downregulate it. However, both types of ligands stimulate tumor cell invasion. We show here that both the canonical Wnt3a and the non-canonical Wnt5a stimulate Fz2 tyrosine phosphorylation, Fyn binding to Fz2, Fyn activation and Fyn-dependent Stat3 phosphorylation. Wnt3a and Wnt5a require Src for Fz2 tyrosine phosphorylation; Src binds to canonical and non-canonical co-receptors (LRP5/6 and Ror2, respectively) and is activated by Wnt3a and Wnt5a. This Fz2/Fyn/Stat3 branch is incompatible with the classical Fz2/Dvl2 pathway as shown by experiments of over-expression or depletion. Fyn is necessary for transcription of genes associated with invasiveness, such as Snail1, and for activation of cell invasion by both Wnt ligands. Our results extend the knowledge about canonical Wnt pathways, demonstrating additional roles for Fyn in this pathway and describing how this protein kinase is activated by both canonical and non-canonical Wnts.
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Affiliation(s)
- Aida Villarroel
- Departament de Bioquímica i Biologia Molecular, CEB, Facultat de Medicina, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - Beatriz Del Valle-Pérez
- Departament de Bioquímica i Biologia Molecular, CEB, Facultat de Medicina, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - Guillem Fuertes
- Departament de Bioquímica i Biologia Molecular, CEB, Facultat de Medicina, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - Josué Curto
- Departament de Bioquímica i Biologia Molecular, CEB, Facultat de Medicina, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - Neus Ontiveros
- Departament de Bioquímica i Biologia Molecular, CEB, Facultat de Medicina, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - Antonio Garcia de Herreros
- Programa de Recerca en Càncer, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Unidad Asociada CSIC, Parc de Recerca Biomèdica de Barcelona, c/Doctor Aiguader 88, 08003, Barcelona, Spain.
- Departament de Ciències, Experimentals i de la Salut, Universitat Pompeu Fabra, 08003, Barcelona, Spain.
| | - Mireia Duñach
- Departament de Bioquímica i Biologia Molecular, CEB, Facultat de Medicina, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain.
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Hanáková K, Bernatík O, Kravec M, Micka M, Kumar J, Harnoš J, Ovesná P, Paclíková P, Rádsetoulal M, Potěšil D, Tripsianes K, Čajánek L, Zdráhal Z, Bryja V. Comparative phosphorylation map of Dishevelled 3 links phospho-signatures to biological outputs. Cell Commun Signal 2019; 17:170. [PMID: 31870452 PMCID: PMC6927192 DOI: 10.1186/s12964-019-0470-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 10/22/2019] [Indexed: 12/28/2022] Open
Abstract
Background Dishevelled (DVL) is an essential component of the Wnt signaling cascades. Function of DVL is controlled by phosphorylation but the molecular details are missing. DVL3 contains 131 serines and threonines whose phosphorylation generates complex barcodes underlying diverse DVL3 functions. In order to dissect the role of DVL phosphorylation we analyzed the phosphorylation of human DVL3 induced by previously reported (CK1ε, NEK2, PLK1, CK2α, RIPK4, PKCδ) and newly identified (TTBK2, Aurora A) DVL kinases. Methods Shotgun proteomics including TiO2 enrichment of phosphorylated peptides followed by liquid chromatography tandem mass spectrometry on immunoprecipitates from HEK293T cells was used to identify and quantify phosphorylation of DVL3 protein induced by 8 kinases. Functional characterization was performed by in-cell analysis of phospho-mimicking/non-phosphorylatable DVL3 mutants and supported by FRET assays and NMR spectroscopy. Results We used quantitative mass spectrometry and calculated site occupancies and quantified phosphorylation of > 80 residues. Functional validation demonstrated the importance of CK1ε-induced phosphorylation of S268 and S311 for Wnt-3a-induced β-catenin activation. S630–643 cluster phosphorylation by CK1, NEK2 or TTBK2 is essential for even subcellular distribution of DVL3 when induced by CK1 and TTBK2 but not by NEK2. Further investigation showed that NEK2 utilizes a different mechanism to promote even localization of DVL3. NEK2 triggered phosphorylation of PDZ domain at S263 and S280 prevents binding of DVL C-terminus to PDZ and promotes an open conformation of DVL3 that is more prone to even subcellular localization. Conclusions We identify unique phosphorylation barcodes associated with DVL function. Our data provide an example of functional synergy between phosphorylation in structured domains and unstructured IDRs that together dictate the biological outcome. Video Abtract.
Graphical abstract ![]()
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Affiliation(s)
- Kateřina Hanáková
- CEITEC-Central European Institute of Technology, Masaryk University, Kamenice 5, 625 00, Brno, Czech Republic.,National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Ondřej Bernatík
- Department of Experimental Biology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic.,Department of Histology and Embryology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Marek Kravec
- Department of Experimental Biology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic
| | - Miroslav Micka
- Department of Experimental Biology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic
| | - Jitender Kumar
- CEITEC-Central European Institute of Technology, Masaryk University, Kamenice 5, 625 00, Brno, Czech Republic
| | - Jakub Harnoš
- Department of Experimental Biology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic
| | - Petra Ovesná
- Institute of Biostatistics and Analyses, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Petra Paclíková
- Department of Experimental Biology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic
| | - Matěj Rádsetoulal
- Department of Experimental Biology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic
| | - David Potěšil
- CEITEC-Central European Institute of Technology, Masaryk University, Kamenice 5, 625 00, Brno, Czech Republic
| | - Konstantinos Tripsianes
- CEITEC-Central European Institute of Technology, Masaryk University, Kamenice 5, 625 00, Brno, Czech Republic
| | - Lukáš Čajánek
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Zbyněk Zdráhal
- CEITEC-Central European Institute of Technology, Masaryk University, Kamenice 5, 625 00, Brno, Czech Republic. .,National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Brno, Czech Republic.
| | - Vítězslav Bryja
- Department of Experimental Biology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic. .,Department of Cytokinetics, Institute of Biophysics, Academy of Sciences of the Czech Republic, Brno, Czech Republic.
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Xu P, Ianes C, Gärtner F, Liu C, Burster T, Bakulev V, Rachidi N, Knippschild U, Bischof J. Structure, regulation, and (patho-)physiological functions of the stress-induced protein kinase CK1 delta (CSNK1D). Gene 2019; 715:144005. [PMID: 31376410 PMCID: PMC7939460 DOI: 10.1016/j.gene.2019.144005] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 07/19/2019] [Accepted: 07/23/2019] [Indexed: 12/11/2022]
Abstract
Members of the highly conserved pleiotropic CK1 family of serine/threonine-specific kinases are tightly regulated in the cell and play crucial regulatory roles in multiple cellular processes from protozoa to human. Since their dysregulation as well as mutations within their coding regions contribute to the development of various different pathologies, including cancer and neurodegenerative diseases, they have become interesting new drug targets within the last decade. However, to develop optimized CK1 isoform-specific therapeutics in personalized therapy concepts, a detailed knowledge of the regulation and functions of the different CK1 isoforms, their various splice variants and orthologs is mandatory. In this review we will focus on the stress-induced CK1 isoform delta (CK1δ), thereby addressing its regulation, physiological functions, the consequences of its deregulation for the development and progression of diseases, and its potential as therapeutic drug target.
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Affiliation(s)
- Pengfei Xu
- Department of General and Visceral Surgery, Surgery Center, Ulm University Hospital, Albert-Einstein-Allee 23, 89081 Ulm, Germany.
| | - Chiara Ianes
- Department of General and Visceral Surgery, Surgery Center, Ulm University Hospital, Albert-Einstein-Allee 23, 89081 Ulm, Germany.
| | - Fabian Gärtner
- Department of General and Visceral Surgery, Surgery Center, Ulm University Hospital, Albert-Einstein-Allee 23, 89081 Ulm, Germany.
| | - Congxing Liu
- Department of General and Visceral Surgery, Surgery Center, Ulm University Hospital, Albert-Einstein-Allee 23, 89081 Ulm, Germany.
| | - Timo Burster
- Department of Biology, School of Science and Technology, Nazarbayev University, 53 Kabanbay Batyr Ave, Nur-Sultan 020000, Kazakhstan.
| | - Vasiliy Bakulev
- Ural Federal University named after the first President of Russia B. N. Eltsin, Technology for Organic Synthesis Laboratory, 19 Mirastr., 620002 Ekaterinburg, Russia.
| | - Najma Rachidi
- Unité de Parasitologie Moléculaire et Signalisation, Department of Parasites and Insect Vectors, Institut Pasteur and INSERM U1201, 25-28 Rue du Dr Roux, 75015 Paris, France.
| | - Uwe Knippschild
- Department of General and Visceral Surgery, Surgery Center, Ulm University Hospital, Albert-Einstein-Allee 23, 89081 Ulm, Germany.
| | - Joachim Bischof
- Department of General and Visceral Surgery, Surgery Center, Ulm University Hospital, Albert-Einstein-Allee 23, 89081 Ulm, Germany.
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Abstract
PURPOSE OF REVIEW The outcome of patients with lymphoid malignancies has markedly improved in recent years which is likely due to a combination of advances in supportive care, and therapeutic options. In this article, we will provide an overview over the role PI3-kinase signalling, one of the most important dysregulated pathways in cancer, and its successful inhibition in lymphoma. RECENT FINDINGS PI3-kinase inhibitors have shown remarkable activity in an increasing subset of patients with non-Hodgkin lymphomas. The first drug to be approved was idelalisib for patients with relapsed/refractory follicular lymphoma and CLL/SLL as monotherapy, or in combination with rituximab, respectively. After an initial setback related to increased toxicity including deaths observed in several upfront studies, there has been a resurgence in interest in this pathway following the promising efficacy of second-generation PI3K inhibitors including in patients with T cell lymphomas. PI3K inhibition continues to be an invaluable tool in the therapy of patients with lymphoid malignancies if managed cautiously. Preclinical models are helpful in predicting possible side effects and identifying new lymphoma subtypes that may be susceptible to this class of agents. The future will likely involve rationally designed combinatorial approaches to deepen the response rate and prevent the emergence of resistance.
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Affiliation(s)
| | - Alison J Moskowitz
- Memorial Sloan Kettering Cancer Center, Lymphoma Service, New York, NY, USA.
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Harnoš J, Cañizal MCA, Jurásek M, Kumar J, Holler C, Schambony A, Hanáková K, Bernatík O, Zdráhal Z, Gömöryová K, Gybeľ T, Radaszkiewicz TW, Kravec M, Trantírek L, Ryneš J, Dave Z, Fernández-Llamazares AI, Vácha R, Tripsianes K, Hoffmann C, Bryja V. Dishevelled-3 conformation dynamics analyzed by FRET-based biosensors reveals a key role of casein kinase 1. Nat Commun 2019; 10:1804. [PMID: 31000703 PMCID: PMC6472409 DOI: 10.1038/s41467-019-09651-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 03/20/2019] [Indexed: 01/17/2023] Open
Abstract
Dishevelled (DVL) is the key component of the Wnt signaling pathway. Currently, DVL conformational dynamics under native conditions is unknown. To overcome this limitation, we develop the Fluorescein Arsenical Hairpin Binder- (FlAsH-) based FRET in vivo approach to study DVL conformation in living cells. Using this single-cell FRET approach, we demonstrate that (i) Wnt ligands induce open DVL conformation, (ii) DVL variants that are predominantly open, show more even subcellular localization and more efficient membrane recruitment by Frizzled (FZD) and (iii) Casein kinase 1 ɛ (CK1ɛ) has a key regulatory function in DVL conformational dynamics. In silico modeling and in vitro biophysical methods explain how CK1ɛ-specific phosphorylation events control DVL conformations via modulation of the PDZ domain and its interaction with DVL C-terminus. In summary, our study describes an experimental tool for DVL conformational sampling in living cells and elucidates the essential regulatory role of CK1ɛ in DVL conformational dynamics.
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Affiliation(s)
- Jakub Harnoš
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic.,Department of Cell, Developmental & Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Maria Consuelo Alonso Cañizal
- Department of Pharmacology and Toxicology, University of Würzburg, Würzburg, 97078, Germany.,Rudolf Virchow Center for Experimental Biomedicine, University of Würzburg, Würzburg, 97078, Germany.,Institute for Molecular Cell Biology, CMB-Center for Molecular Biomedicine, University Hospital Jena, Friedrich Schiller University Jena, Jena, 07745, Germany
| | - Miroslav Jurásek
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, 62500, Czech Republic.,National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | - Jitender Kumar
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, 62500, Czech Republic
| | - Cornelia Holler
- Max Planck Institute for the Science of Light, Erlangen, 91058, Germany.,Biology Department, Developmental Biology, Friedrich-Alexander University Erlangen-Nüremberg, Erlangen, 91058, Germany
| | - Alexandra Schambony
- Max Planck Institute for the Science of Light, Erlangen, 91058, Germany.,Biology Department, Developmental Biology, Friedrich-Alexander University Erlangen-Nüremberg, Erlangen, 91058, Germany
| | - Kateřina Hanáková
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, 62500, Czech Republic.,National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | - Ondřej Bernatík
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | - Zbyněk Zdráhal
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, 62500, Czech Republic.,National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | - Kristína Gömöryová
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | - Tomáš Gybeľ
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | | | - Marek Kravec
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | - Lukáš Trantírek
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, 62500, Czech Republic.,Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Brno, 612 65, Czech Republic
| | - Jan Ryneš
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, 62500, Czech Republic
| | - Zankruti Dave
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | | | - Robert Vácha
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, 62500, Czech Republic.,National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic
| | - Konstantinos Tripsianes
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, 62500, Czech Republic
| | - Carsten Hoffmann
- Department of Pharmacology and Toxicology, University of Würzburg, Würzburg, 97078, Germany.,Rudolf Virchow Center for Experimental Biomedicine, University of Würzburg, Würzburg, 97078, Germany.,Institute for Molecular Cell Biology, CMB-Center for Molecular Biomedicine, University Hospital Jena, Friedrich Schiller University Jena, Jena, 07745, Germany
| | - Vítězslav Bryja
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czech Republic. .,Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Brno, 612 65, Czech Republic.
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Qu J, Yue L, Gao J, Yao H. Perspectives on Wnt Signal Pathway in the Pathogenesis and Therapeutics of Chronic Obstructive Pulmonary Disease. J Pharmacol Exp Ther 2019; 369:473-480. [PMID: 30952680 DOI: 10.1124/jpet.118.256222] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Accepted: 04/04/2019] [Indexed: 12/16/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a chronic lung disease with progressive airflow limitation and functional decline. The pathogenic mechanisms for this disease include oxidative stress, inflammatory responses, disturbed protease/antiprotease equilibrium, apoptosis/proliferation imbalance, senescence, autophagy, metabolic reprogramming, and mitochondrial dysfunction. The Wnt signaling pathway is an evolutionarily conserved signaling pathway that is abnormal in COPD, including chronic bronchitis and pulmonary emphysema. Furthermore, Wnt signaling has been shown to modulate aforementioned cellular processes involved in COPD. From this perspective, we provide an updated understanding of the crosstalk between Wnt signal and these cellular processes, and highlight the crucial role of the Wnt signal during the development of COPD. We also discuss the potential for targeting the Wnt signal in future translational and pharmacological therapeutics aimed at prevention and treatment of this disease.
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Affiliation(s)
- Jiao Qu
- The Second Affiliated Hospital, School of Pharmacy, Dalian Medical University, Dalian, Liaoning, China (J. Q., J. G.); The First Affiliated Hospital, School of Pharmacy, Anhui Medical University, Hefei, Anhui, China (J.Q., J.G.); Department of Orthopedics, Warren Alpert Medical School, Brown University/Rhode Island Hospital, Providence, Rhode Island (L.Y.); and Department of Molecular Biology, Cell Biology and Biochemistry, Brown University Division of Biology and Medicine, Providence, Rhode Island (H.Y.)
| | - Li Yue
- The Second Affiliated Hospital, School of Pharmacy, Dalian Medical University, Dalian, Liaoning, China (J. Q., J. G.); The First Affiliated Hospital, School of Pharmacy, Anhui Medical University, Hefei, Anhui, China (J.Q., J.G.); Department of Orthopedics, Warren Alpert Medical School, Brown University/Rhode Island Hospital, Providence, Rhode Island (L.Y.); and Department of Molecular Biology, Cell Biology and Biochemistry, Brown University Division of Biology and Medicine, Providence, Rhode Island (H.Y.)
| | - Jian Gao
- The Second Affiliated Hospital, School of Pharmacy, Dalian Medical University, Dalian, Liaoning, China (J. Q., J. G.); The First Affiliated Hospital, School of Pharmacy, Anhui Medical University, Hefei, Anhui, China (J.Q., J.G.); Department of Orthopedics, Warren Alpert Medical School, Brown University/Rhode Island Hospital, Providence, Rhode Island (L.Y.); and Department of Molecular Biology, Cell Biology and Biochemistry, Brown University Division of Biology and Medicine, Providence, Rhode Island (H.Y.)
| | - Hongwei Yao
- The Second Affiliated Hospital, School of Pharmacy, Dalian Medical University, Dalian, Liaoning, China (J. Q., J. G.); The First Affiliated Hospital, School of Pharmacy, Anhui Medical University, Hefei, Anhui, China (J.Q., J.G.); Department of Orthopedics, Warren Alpert Medical School, Brown University/Rhode Island Hospital, Providence, Rhode Island (L.Y.); and Department of Molecular Biology, Cell Biology and Biochemistry, Brown University Division of Biology and Medicine, Providence, Rhode Island (H.Y.)
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Pedone E, Marucci L. Role of β-Catenin Activation Levels and Fluctuations in Controlling Cell Fate. Genes (Basel) 2019; 10:genes10020176. [PMID: 30823613 PMCID: PMC6410200 DOI: 10.3390/genes10020176] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 02/18/2019] [Indexed: 12/12/2022] Open
Abstract
Cells have developed numerous adaptation mechanisms to external cues by controlling signaling-pathway activity, both qualitatively and quantitatively. The Wnt/β-catenin pathway is a highly conserved signaling pathway involved in many biological processes, including cell proliferation, differentiation, somatic cell reprogramming, development, and cancer. The activity of the Wnt/β-catenin pathway and the temporal dynamics of its effector β-catenin are tightly controlled by complex regulations. The latter encompass feedback loops within the pathway (e.g., a negative feedback loop involving Axin2, a β-catenin transcriptional target) and crosstalk interactions with other signaling pathways. Here, we provide a review shedding light on the coupling between Wnt/β-catenin activation levels and fluctuations across processes and cellular systems; in particular, we focus on development, in vitro pluripotency maintenance, and cancer. Possible mechanisms originating Wnt/β-catenin dynamic behaviors and consequently driving different cellular responses are also reviewed, and new avenues for future research are suggested.
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Affiliation(s)
- Elisa Pedone
- Department of Engineering Mathematics, University of Bristol, Bristol, BS8 1UB, UK.
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, BS8 1TD, UK.
| | - Lucia Marucci
- Department of Engineering Mathematics, University of Bristol, Bristol, BS8 1UB, UK.
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, BS8 1TD, UK.
- BrisSynBio, Bristol, BS8 1TQ, UK.
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Brodski C, Blaess S, Partanen J, Prakash N. Crosstalk of Intercellular Signaling Pathways in the Generation of Midbrain Dopaminergic Neurons In Vivo and from Stem Cells. J Dev Biol 2019; 7:jdb7010003. [PMID: 30650592 PMCID: PMC6473842 DOI: 10.3390/jdb7010003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 01/07/2019] [Accepted: 01/09/2019] [Indexed: 12/25/2022] Open
Abstract
Dopamine-synthesizing neurons located in the mammalian ventral midbrain are at the center stage of biomedical research due to their involvement in severe human neuropsychiatric and neurodegenerative disorders, most prominently Parkinson’s Disease (PD). The induction of midbrain dopaminergic (mDA) neurons depends on two important signaling centers of the mammalian embryo: the ventral midline or floor plate (FP) of the neural tube, and the isthmic organizer (IsO) at the mid-/hindbrain boundary (MHB). Cells located within and close to the FP secrete sonic hedgehog (SHH), and members of the wingless-type MMTV integration site family (WNT1/5A), as well as bone morphogenetic protein (BMP) family. The IsO cells secrete WNT1 and the fibroblast growth factor 8 (FGF8). Accordingly, the FGF8, SHH, WNT, and BMP signaling pathways play crucial roles during the development of the mDA neurons in the mammalian embryo. Moreover, these morphogens are essential for the generation of stem cell-derived mDA neurons, which are critical for the modeling, drug screening, and cell replacement therapy of PD. This review summarizes our current knowledge about the functions and crosstalk of these signaling pathways in mammalian mDA neuron development in vivo and their applications in stem cell-based paradigms for the efficient derivation of these neurons in vitro.
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Affiliation(s)
- Claude Brodski
- Department of Physiology and Cell Biology, Zlotowski Center for Neuroscience, Faculty of Health Sciences, Ben-Gurion University of the Negev, Be'er Sheva 84105, Israel.
| | - Sandra Blaess
- Institute of Reconstructive Neurobiology, University of Bonn Medical Center, 53127 Bonn, Germany.
| | - Juha Partanen
- Faculty of Biological and Environmental Sciences, FIN00014-University of Helsinki, P.O. Box 56, Viikinkaari 9, FIN-00014 Helsinki, Finland.
| | - Nilima Prakash
- Department Hamm 2, Hamm-Lippstadt University of Applied Sciences, 59063 Hamm, Germany.
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Cullati SN, Gould KL. Spatiotemporal regulation of the Dma1-mediated mitotic checkpoint coordinates mitosis with cytokinesis. Curr Genet 2019; 65:663-668. [PMID: 30600396 DOI: 10.1007/s00294-018-0921-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 12/14/2018] [Accepted: 12/15/2018] [Indexed: 11/26/2022]
Abstract
During cell division, the timing of mitosis and cytokinesis must be ordered to ensure that each daughter cell receives a complete, undamaged copy of the genome. In fission yeast, the septation initiation network (SIN) is responsible for this coordination, and a mitotic checkpoint dependent on the E3 ubiquitin ligase Dma1 and the protein kinase CK1 controls SIN signaling to delay cytokinesis when there are errors in mitosis. The participation of kinases and ubiquitin ligases in cell cycle checkpoints that maintain genome integrity is conserved from yeast to human, making fission yeast an excellent model system in which to study checkpoint mechanisms. In this review, we highlight recent advances and remaining questions related to checkpoint regulation, which requires the synchronized modulation of protein ubiquitination, phosphorylation, and subcellular localization.
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The planar cell polarity protein VANG-1/Vangl negatively regulates Wnt/β-catenin signaling through a Dvl dependent mechanism. PLoS Genet 2018; 14:e1007840. [PMID: 30532125 PMCID: PMC6307821 DOI: 10.1371/journal.pgen.1007840] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 12/27/2018] [Accepted: 11/19/2018] [Indexed: 11/19/2022] Open
Abstract
Van Gogh-like (Vangl) and Prickle (Pk) are core components of the non-canonical Wnt planar cell polarity pathway that controls epithelial polarity and cell migration. Studies in vertebrate model systems have suggested that Vangl and Pk may also inhibit signaling through the canonical Wnt/β-catenin pathway, but the functional significance of this potential cross-talk is unclear. In the nematode C. elegans, the Q neuroblasts and their descendants migrate in opposite directions along the anteroposterior body axis. The direction of these migrations is specified by Wnt signaling, with activation of canonical Wnt signaling driving posterior migration, and non-canonical Wnt signaling anterior migration. Here, we show that the Vangl ortholog VANG-1 influences the Wnt signaling response of the Q neuroblasts by negatively regulating canonical Wnt signaling. This inhibitory activity depends on a carboxy-terminal PDZ binding motif in VANG-1 and the Dishevelled ortholog MIG-5, but is independent of the Pk ortholog PRKL-1. Moreover, using Vangl1 and Vangl2 double mutant cells, we show that a similar mechanism acts in mammalian cells. We conclude that cross-talk between VANG-1/Vangl and the canonical Wnt pathway is an evolutionarily conserved mechanism that ensures robust specification of Wnt signaling responses. Wnt proteins are signaling molecules with a wide range of functions in embryonic development and the maintenance of adult tissues. Wnt proteins can trigger several different signaling pathways that are grouped in β-catenin dependent (canonical) and independent (non-canonical) signaling mechanisms. Here, we have investigated cross-talk between these different Wnt signaling pathways. We show that VANG-1/Vangl, a component of the non-canonical planar cell polarity pathway, negatively regulates canonical Wnt signaling. We propose that this cross-talk mechanism ensures that Wnt stimulated cells always activate the proper downstream signaling response.
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Mansour TA, Lucot K, Konopelski SE, Dickinson PJ, Sturges BK, Vernau KL, Choi S, Stern JA, Thomasy SM, Döring S, Verstraete FJM, Johnson EG, York D, Rebhun RB, Ho HYH, Brown CT, Bannasch DL. Whole genome variant association across 100 dogs identifies a frame shift mutation in DISHEVELLED 2 which contributes to Robinow-like syndrome in Bulldogs and related screw tail dog breeds. PLoS Genet 2018; 14:e1007850. [PMID: 30521570 PMCID: PMC6303079 DOI: 10.1371/journal.pgen.1007850] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 12/21/2018] [Accepted: 11/24/2018] [Indexed: 12/30/2022] Open
Abstract
Domestic dog breeds exhibit remarkable morphological variations that result from centuries of artificial selection and breeding. Identifying the genetic changes that contribute to these variations could provide critical insights into the molecular basis of tissue and organismal morphogenesis. Bulldogs, French Bulldogs and Boston Terriers share many morphological and disease-predisposition traits, including brachycephalic skull morphology, widely set eyes and short stature. Unlike other brachycephalic dogs, these breeds also exhibit vertebral malformations that result in a truncated, kinked tail (screw tail). Whole genome sequencing of 100 dogs from 21 breeds identified 12.4 million bi-allelic variants that met inclusion criteria. Whole Genome Association of these variants with the breed defining phenotype of screw tail was performed using 10 cases and 84 controls and identified a frameshift mutation in the WNT pathway gene DISHEVELLED 2 (DVL2) (Chr5: 32195043_32195044del, p = 4.37 X 10-37) as the most strongly associated variant in the canine genome. This DVL2 variant was fixed in Bulldogs and French Bulldogs and had a high allele frequency (0.94) in Boston Terriers. The DVL2 variant segregated with thoracic and caudal vertebral column malformations in a recessive manner with incomplete and variable penetrance for thoracic vertebral malformations between different breeds. Importantly, analogous frameshift mutations in the human DVL1 and DVL3 genes cause Robinow syndrome, a congenital disorder characterized by similar craniofacial, limb and vertebral malformations. Analysis of the canine DVL2 variant protein showed that its ability to undergo WNT-induced phosphorylation is reduced, suggesting that altered WNT signaling may contribute to the Robinow-like syndrome in the screwtail breeds.
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Affiliation(s)
- Tamer A. Mansour
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California Davis, Davis, CA, United States of America
- Department of Clinical Pathology, School of Medicine, University of Mansoura, Mansoura Egypt
| | - Katherine Lucot
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California Davis, Davis, CA, United States of America
- Integrative Genetics and Genomics Graduate Group, University of California Davis, Davis, CA, United States of America
| | - Sara E. Konopelski
- Department of Cell Biology and Human Anatomy, School of Medicine, University of California Davis, Davis, CA, United States of America
| | - Peter J. Dickinson
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, CA, United States of America
| | - Beverly K. Sturges
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, CA, United States of America
| | - Karen L. Vernau
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, CA, United States of America
| | - Shannon Choi
- Department of Cell Biology and Human Anatomy, School of Medicine, University of California Davis, Davis, CA, United States of America
| | - Joshua A. Stern
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California Davis, Davis, CA, United States of America
| | - Sara M. Thomasy
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, CA, United States of America
| | - Sophie Döring
- William R. Pritchard Veterinary Medical Teaching Hospital, School of Veterinary Medicine, University of California Davis, Davis, CA, United States of America
| | - Frank J. M. Verstraete
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, CA, United States of America
| | - Eric G. Johnson
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, CA, United States of America
| | - Daniel York
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, CA, United States of America
| | - Robert B. Rebhun
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, CA, United States of America
| | - Hsin-Yi Henry Ho
- Department of Cell Biology and Human Anatomy, School of Medicine, University of California Davis, Davis, CA, United States of America
| | - C. Titus Brown
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California Davis, Davis, CA, United States of America
- Genome Center, University of California Davis, Davis, CA, United States of America
| | - Danika L. Bannasch
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California Davis, Davis, CA, United States of America
- Genome Center, University of California Davis, Davis, CA, United States of America
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44
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Valnohova J, Kowalski-Jahn M, Sunahara RK, Schulte G. Functional dissection of the N-terminal extracellular domains of Frizzled 6 reveals their roles for receptor localization and Dishevelled recruitment. J Biol Chem 2018; 293:17875-17887. [PMID: 30237173 PMCID: PMC6240854 DOI: 10.1074/jbc.ra118.004763] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 09/18/2018] [Indexed: 11/06/2022] Open
Abstract
The Frizzled (FZD) proteins belong to class F of G protein-coupled receptors (GPCRs) and are essential for various pathways involving the secreted lipoglycoproteins of the wingless/int-1 (WNT) family. A WNT-binding cysteine-rich domain (CRD) in FZDs is N-terminally located and connected to the seven transmembrane domain-spanning receptor core by a linker domain that has a variable length in different FZD homologs. However, the function and importance of this linker domain are poorly understood. Here we used systematic mutagenesis of FZD6 to define the minimal N-terminal domain sufficient for receptor surface expression and recruitment of the intracellular scaffold protein Dishevelled (DVL). Further, we identified a triad of evolutionarily conserved cysteines in the FZD linker domain that is crucial for receptor membrane expression and recruitment of DVL. Our results are in agreement with the concept that the conserved cysteines in the linker domain of FZDs assist with the formation of a common secondary structure in this region. We propose that this structure could be involved in agonist binding and receptor activation mechanisms that are similar to the binding and activation mechanisms known for other GPCRs.
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Affiliation(s)
- Jana Valnohova
- From the Section for Receptor Biology and Signaling, Department of Physiology and Pharmacology, Karolinska Institutet, 171 65 Stockholm, Sweden
| | - Maria Kowalski-Jahn
- From the Section for Receptor Biology and Signaling, Department of Physiology and Pharmacology, Karolinska Institutet, 171 65 Stockholm, Sweden
| | - Roger K Sunahara
- Department of Pharmacology, University of California San Diego School of Medicine, La Jolla, California 92093
| | - Gunnar Schulte
- From the Section for Receptor Biology and Signaling, Department of Physiology and Pharmacology, Karolinska Institutet, 171 65 Stockholm, Sweden.
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45
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Strakova K, Kowalski-Jahn M, Gybel T, Valnohova J, Dhople VM, Harnos J, Bernatik O, Ganji RS, Zdrahal Z, Mulder J, Lindskog C, Bryja V, Schulte G. Dishevelled enables casein kinase 1-mediated phosphorylation of Frizzled 6 required for cell membrane localization. J Biol Chem 2018; 293:18477-18493. [PMID: 30309985 DOI: 10.1074/jbc.ra118.004656] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 10/05/2018] [Indexed: 11/06/2022] Open
Abstract
Frizzleds (FZDs) are receptors for secreted lipoglycoproteins of the Wingless/Int-1 (WNT) family, initiating an important signal transduction network in multicellular organisms. FZDs are G protein-coupled receptors (GPCRs), which are well known to be regulated by phosphorylation, leading to specific downstream signaling or receptor desensitization. The role and underlying mechanisms of FZD phosphorylation remain largely unexplored. Here, we investigated the phosphorylation of human FZD6 Using MS analysis and a phospho-state- and -site-specific antibody, we found that Ser-648, located in the FZD6 C terminus, is efficiently phosphorylated by casein kinase 1 ϵ (CK1ϵ) and that this phosphorylation requires the scaffolding protein Dishevelled (DVL). In an overexpression system, DVL1, -2, and -3 promoted CK1ϵ-mediated FZD6 phosphorylation on Ser-648. This DVL activity required an intact DEP domain and FZD-mediated recruitment of this domain to the cell membrane. Substitution of the CK1ϵ-targeted phosphomotif reduced FZD6 surface expression, suggesting that Ser-648 phosphorylation controls membrane trafficking of FZD6 Phospho-Ser-648 FZD6 immunoreactivity in human fallopian tube epithelium was predominantly apical, associated with cilia in a subset of epithelial cells, compared with the total FZD6 protein expression, suggesting that FZD6 phosphorylation contributes to asymmetric localization of receptor function within the cell and to epithelial polarity. Given the key role of FZD6 in planar cell polarity, our results raise the possibility that asymmetric phosphorylation of FZD6 rather than asymmetric protein distribution accounts for polarized receptor signaling.
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Affiliation(s)
- Katerina Strakova
- From the Laboratory of WNT Signaling, Institute of Experimental Biology, Faculty of Science, Masaryk University, Kotlarska 2, 61137 Brno, Czech Republic.,Section for Receptor Biology and Signaling, Department of Physiology and Pharmacology, Karolinska Institutet, Biomedicum (6D), Tomtebodavägen 16, SE-17165 Stockholm, Sweden
| | - Maria Kowalski-Jahn
- Section for Receptor Biology and Signaling, Department of Physiology and Pharmacology, Karolinska Institutet, Biomedicum (6D), Tomtebodavägen 16, SE-17165 Stockholm, Sweden
| | - Tomas Gybel
- From the Laboratory of WNT Signaling, Institute of Experimental Biology, Faculty of Science, Masaryk University, Kotlarska 2, 61137 Brno, Czech Republic
| | - Jana Valnohova
- Section for Receptor Biology and Signaling, Department of Physiology and Pharmacology, Karolinska Institutet, Biomedicum (6D), Tomtebodavägen 16, SE-17165 Stockholm, Sweden
| | - Vishnu M Dhople
- Department of Functional Genomics, Interfaculty Institute for Genetics and Functional Genomics, Ernst Moritz Arndt University of Greifswald, Friedrich-Ludwig-Jahn-Strasse 15, 17487 Greifswald, Germany
| | - Jakub Harnos
- From the Laboratory of WNT Signaling, Institute of Experimental Biology, Faculty of Science, Masaryk University, Kotlarska 2, 61137 Brno, Czech Republic
| | - Ondrej Bernatik
- From the Laboratory of WNT Signaling, Institute of Experimental Biology, Faculty of Science, Masaryk University, Kotlarska 2, 61137 Brno, Czech Republic
| | - Ranjani Sri Ganji
- From the Laboratory of WNT Signaling, Institute of Experimental Biology, Faculty of Science, Masaryk University, Kotlarska 2, 61137 Brno, Czech Republic.,Central European Institute for Technology, Masaryk University, Kamenice 5, 62500 Brno, Czech Republic
| | - Zbynek Zdrahal
- Central European Institute for Technology, Masaryk University, Kamenice 5, 62500 Brno, Czech Republic
| | - Jan Mulder
- Science for Life Laboratory, Department of Neuroscience, Karolinska Institute, Tomtebodavägen 16 17165 Stockholm, Sweden, and
| | - Cecilia Lindskog
- Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Science for Life Laboratory, Uppsala University, Dag Hammarskjölds väg 20, 751 85 Uppsala, Sweden
| | - Vitezslav Bryja
- From the Laboratory of WNT Signaling, Institute of Experimental Biology, Faculty of Science, Masaryk University, Kotlarska 2, 61137 Brno, Czech Republic,
| | - Gunnar Schulte
- From the Laboratory of WNT Signaling, Institute of Experimental Biology, Faculty of Science, Masaryk University, Kotlarska 2, 61137 Brno, Czech Republic, .,Section for Receptor Biology and Signaling, Department of Physiology and Pharmacology, Karolinska Institutet, Biomedicum (6D), Tomtebodavägen 16, SE-17165 Stockholm, Sweden
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46
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Schulte G, Wright SC. Frizzleds as GPCRs - More Conventional Than We Thought! Trends Pharmacol Sci 2018; 39:828-842. [PMID: 30049420 DOI: 10.1016/j.tips.2018.07.001] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 06/27/2018] [Accepted: 07/02/2018] [Indexed: 01/14/2023]
Abstract
For more than 30 years, WNT/β-catenin and planar cell polarity signaling has formed the basis for what we understand to be the primary output of the interaction between WNTs and their cognate receptors known as Frizzleds (FZDs). In the shadow of these pathways, evidence for the involvement of heterotrimeric G proteins in WNT signaling has grown substantially over the years - redefining the complexity of the WNT signaling network. Moreover, the distinct characteristics of FZD paralogs are becoming better understood, and we can now apply concepts valid for classical GPCRs to grasp FZDs as molecular machines at the interface of ligand binding and intracellular effects. This review discusses recent developments in the field of WNT/FZD signaling in the context of GPCR pharmacology, and identifies remaining mysteries with an emphasis on structural and kinetic components that support this dogma shift.
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Affiliation(s)
- Gunnar Schulte
- Section of Receptor Biology and Signaling, Department of Physiology and Pharmacology, Biomedicum 6D, Tomtebodavägen 16, Karolinska Institutet, S-171 65 Stockholm, Sweden.
| | - Shane C Wright
- Section of Receptor Biology and Signaling, Department of Physiology and Pharmacology, Biomedicum 6D, Tomtebodavägen 16, Karolinska Institutet, S-171 65 Stockholm, Sweden
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47
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Han C, Li J, Wang C, Ouyang H, Ding X, Liu Y, Chen S, Luo L. Wnt5a Contributes to the Differentiation of Human Embryonic Stem Cells into Lentoid Bodies Through the Noncanonical Wnt/JNK Signaling Pathway. ACTA ACUST UNITED AC 2018; 59:3449-3460. [DOI: 10.1167/iovs.18-23902] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Chenlu Han
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Jinyan Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Chunxiao Wang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Hong Ouyang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Xiaoyan Ding
- Laboratory of Molecular Cell Biology, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, People's Republic of China
| | - Yizhi Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Shuyi Chen
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Lixia Luo
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
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48
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Karuna EP, Choi SS, Scales MK, Hum J, Cohen M, Fierro FA, Ho HYH. Identification of a WNT5A-Responsive Degradation Domain in the Kinesin Superfamily Protein KIF26B. Genes (Basel) 2018; 9:E196. [PMID: 29621187 PMCID: PMC5924538 DOI: 10.3390/genes9040196] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 03/24/2018] [Accepted: 03/26/2018] [Indexed: 11/17/2022] Open
Abstract
Noncanonical WNT pathways function independently of the β-catenin transcriptional co-activator to regulate diverse morphogenetic and pathogenic processes. Recent studies showed that noncanonical WNTs, such as WNT5A, can signal the degradation of several downstream effectors, thereby modulating these effectors' cellular activities. The protein domain(s) that mediates the WNT5A-dependent degradation response, however, has not been identified. By coupling protein mutagenesis experiments with a flow cytometry-based degradation reporter assay, we have defined a protein domain in the kinesin superfamily protein KIF26B that is essential for WNT5A-dependent degradation. We found that a human disease-causing KIF26B mutation located at a conserved amino acid within this domain compromises the ability of WNT5A to induce KIF26B degradation. Using pharmacological perturbation, we further uncovered a role of glycogen synthase kinase 3 (GSK3) in WNT5A regulation of KIF26B degradation. Lastly, based on the identification of the WNT5A-responsive domain, we developed a new reporter system that allows for efficient profiling of WNT5A-KIF26B signaling activity in both somatic and stem cells. In conclusion, our study identifies a new protein domain that mediates WNT5A-dependent degradation of KIF26B and provides a new tool for functional characterization of noncanonical WNT5A signaling in cells.
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Affiliation(s)
- Edith P Karuna
- Department of Cell Biology and Human Anatomy, School of Medicine, University of California, Davis, CA 95616, USA.
| | - Shannon S Choi
- Department of Cell Biology and Human Anatomy, School of Medicine, University of California, Davis, CA 95616, USA.
| | - Michael K Scales
- Department of Cell Biology and Human Anatomy, School of Medicine, University of California, Davis, CA 95616, USA.
| | - Jennie Hum
- Department of Cell Biology and Human Anatomy, School of Medicine, University of California, Davis, CA 95616, USA.
| | - Michael Cohen
- Department of Cell Biology and Human Anatomy, School of Medicine, University of California, Davis, CA 95616, USA.
| | - Fernando A Fierro
- Department of Cell Biology and Human Anatomy, School of Medicine, University of California, Davis, CA 95616, USA.
| | - Hsin-Yi Henry Ho
- Department of Cell Biology and Human Anatomy, School of Medicine, University of California, Davis, CA 95616, USA.
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49
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Burris HA, Flinn IW, Patel MR, Fenske TS, Deng C, Brander DM, Gutierrez M, Essell JH, Kuhn JG, Miskin HP, Sportelli P, Weiss MS, Vakkalanka S, Savona MR, O'Connor OA. Umbralisib, a novel PI3Kδ and casein kinase-1ε inhibitor, in relapsed or refractory chronic lymphocytic leukaemia and lymphoma: an open-label, phase 1, dose-escalation, first-in-human study. Lancet Oncol 2018; 19:486-496. [DOI: 10.1016/s1470-2045(18)30082-2] [Citation(s) in RCA: 135] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 12/12/2017] [Accepted: 12/14/2017] [Indexed: 02/07/2023]
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50
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Curto J, Del Valle-Pérez B, Villarroel A, Fuertes G, Vinyoles M, Peña R, García de Herreros A, Duñach M. CK1ε and p120-catenin control Ror2 function in noncanonical Wnt signaling. Mol Oncol 2018; 12:611-629. [PMID: 29465811 PMCID: PMC5928365 DOI: 10.1002/1878-0261.12184] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 02/02/2018] [Accepted: 02/02/2018] [Indexed: 12/31/2022] Open
Abstract
Canonical and noncanonical Wnt pathways share some common elements but differ in the responses they evoke. Similar to Wnt ligands acting through the canonical pathway, Wnts that activate the noncanonical signaling, such as Wnt5a, promote Disheveled (Dvl) phosphorylation and its binding to the Frizzled (Fz) Wnt receptor complex. The protein kinase CK1ε is required for Dvl/Fz association in both canonical and noncanonical signaling. Here we show that differently to its binding to canonical Wnt receptor complex, CK1ε does not require p120‐catenin for the association with the Wnt5a co‐receptor Ror2. Wnt5a promotes the formation of the Ror2–Fz complex and enables the activation of Ror2‐bound CK1ε by Fz‐associated protein phosphatase 2A. Moreover, CK1ε also regulates Ror2 protein levels; CK1ε association stabilizes Ror2, which undergoes lysosomal‐dependent degradation in the absence of this kinase. Although p120‐catenin is not required for CK1ε association with Ror2, it also participates in this signaling pathway as p120‐catenin binds and maintains Ror2 at the plasma membrane; in p120‐depleted cells, Ror2 is rapidly internalized through a clathrin‐dependent mechanism. Accordingly, downregulation of p120‐catenin or CK1ε affects late responses to Wnt5a that are also sensitive to Ror2, such as SIAH2 transcription, cell invasion, or cortical actin polarization. Our results explain how CK1ε is activated by noncanonical Wnt and identify p120‐catenin and CK1ε as two critical factors controlling Ror2 function.
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Affiliation(s)
- Josué Curto
- Departament de Bioquímica i Biologia Molecular, CEB, Facultat de Medicina, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Beatriz Del Valle-Pérez
- Departament de Bioquímica i Biologia Molecular, CEB, Facultat de Medicina, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Aida Villarroel
- Departament de Bioquímica i Biologia Molecular, CEB, Facultat de Medicina, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Guillem Fuertes
- Departament de Bioquímica i Biologia Molecular, CEB, Facultat de Medicina, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Meritxell Vinyoles
- Departament de Bioquímica i Biologia Molecular, CEB, Facultat de Medicina, Universitat Autònoma de Barcelona, Bellaterra, Spain.,Programa de Recerca en Càncer, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain
| | - Raúl Peña
- Programa de Recerca en Càncer, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain
| | - Antonio García de Herreros
- Programa de Recerca en Càncer, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain.,Departament de Ciències, Experimentals i de la Salut, Universitat Pompeu Fabra, Barcelona, Spain
| | - Mireia Duñach
- Departament de Bioquímica i Biologia Molecular, CEB, Facultat de Medicina, Universitat Autònoma de Barcelona, Bellaterra, Spain
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