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Tu Z, Wei W, Zeng F, Wang W, Zhang Y, Zhang Y, Zhou F, Cai C, Zhang S, Zhou H. IL-6 Up-Regulates Expression of LIM-Domain Only Protein 4 in Psoriatic Keratinocytes through Activation of the MEK/ERK/NF-κB Pathway. THE AMERICAN JOURNAL OF PATHOLOGY 2024; 194:708-720. [PMID: 38320628 DOI: 10.1016/j.ajpath.2024.01.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 12/26/2023] [Accepted: 01/19/2024] [Indexed: 02/08/2024]
Abstract
Psoriasis is a chronic inflammatory skin disease characterized by the activation of keratinocytes and the infiltration of immune cells. Overexpression of the transcription factor LIM-domain only protein 4 (LMO4) promoted by IL-23 has critical roles in regulating the proliferation and differentiation of psoriatic keratinocytes. IL-6, an autocrine cytokine in psoriatic epidermis, is a key mediator of IL-23/T helper 17-driven cutaneous inflammation. However, little is known about how IL-6 regulates the up-regulation of LMO4 expression in psoriatic lesions. In this study, human immortalized keratinocyte cells, clinical biopsy specimens, and an animal model of psoriasis induced by imiquimod cream were used to investigate the role of IL-6 in the regulation of keratinocyte proliferation and differentiation. Psoriatic epidermis showed abnormal expression of IL-6 and LMO4. IL-6 up-regulated the expression of LMO4 and promoted keratinocyte proliferation and differentiation. Furthermore, in vitro and in vivo studies showed that IL-6 up-regulates LMO4 expression by activating the mitogen-activated extracellular signal-regulated kinase (MEK)/extracellular signal-regulated kinase (ERK)/NF-κB signaling pathway. These results suggest that IL-6 can activate the NF-κB signaling pathway, up-regulate the expression of LMO4, lead to abnormal proliferation and differentiation of keratinocytes, and promote the occurrence and development of psoriasis.
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Affiliation(s)
- Zhenzhen Tu
- Department of Immunology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China; Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Wei Wei
- Department of Dermatology, Anhui Medical University-Affiliated Provincial Hospital, Hefei, China
| | - Fanjun Zeng
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Wenwen Wang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Yuyan Zhang
- Department of Dermatology, WanNan Medical College, WuHu, China
| | - Yintao Zhang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Fusheng Zhou
- Department of Dermatology, The First Affiliated Hospital, Anhui Medical University, Hefei, China; Institute of Dermatology, Anhui Medical University, Hefei, China
| | - Chunlin Cai
- Department of Pathophysiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Siping Zhang
- Department of Dermatology, Anhui Medical University-Affiliated Provincial Hospital, Hefei, China.
| | - Haisheng Zhou
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China; Institute of Dermatology, Anhui Medical University, Hefei, China; The Center for Scientific Research, Anhui Medical University, Hefei, China.
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2
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Deschênes-Simard X, Malleshaiah M, Ferbeyre G. Extracellular Signal-Regulated Kinases: One Pathway, Multiple Fates. Cancers (Basel) 2023; 16:95. [PMID: 38201521 PMCID: PMC10778234 DOI: 10.3390/cancers16010095] [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: 11/23/2023] [Revised: 12/20/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024] Open
Abstract
This comprehensive review delves into the multifaceted aspects of ERK signaling and the intricate mechanisms underlying distinct cellular fates. ERK1 and ERK2 (ERK) govern proliferation, transformation, epithelial-mesenchymal transition, differentiation, senescence, or cell death, contingent upon activation strength, duration, and context. The biochemical mechanisms underlying these outcomes are inadequately understood, shaped by signaling feedback and the spatial localization of ERK activation. Generally, ERK activation aligns with the Goldilocks principle in cell fate determination. Inadequate or excessive ERK activity hinders cell proliferation, while balanced activation promotes both cell proliferation and survival. Unraveling the intricacies of how the degree of ERK activation dictates cell fate requires deciphering mechanisms encompassing protein stability, transcription factors downstream of ERK, and the chromatin landscape.
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Affiliation(s)
- Xavier Deschênes-Simard
- Montreal University Hospital Center (CHUM), Université de Montréal, Montréal, QC H3T 1J4, Canada;
| | - Mohan Malleshaiah
- Department of Biochemistry and Molecular Medicine, Université de Montréal, Montréal, QC H3T 1J4, Canada;
- Montreal Clinical Research Institute (IRCM), Montréal, QC H2W 1R7, Canada
| | - Gerardo Ferbeyre
- Montreal Clinical Research Institute (IRCM), Montréal, QC H2W 1R7, Canada
- Montreal Cancer Institute, CR-CHUM, Université de Montréal, Montréal, QC H3T 1J4, Canada
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3
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Mosbacher M, Lee SS, Yaakov G, Nadal-Ribelles M, de Nadal E, van Drogen F, Posas F, Peter M, Claassen M. Positive feedback induces switch between distributive and processive phosphorylation of Hog1. Nat Commun 2023; 14:2477. [PMID: 37120434 PMCID: PMC10148820 DOI: 10.1038/s41467-023-37430-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 03/16/2023] [Indexed: 05/01/2023] Open
Abstract
Cellular decision making often builds on ultrasensitive MAPK pathways. The phosphorylation mechanism of MAP kinase has so far been described as either distributive or processive, with distributive mechanisms generating ultrasensitivity in theoretical analyses. However, the in vivo mechanism of MAP kinase phosphorylation and its activation dynamics remain unclear. Here, we characterize the regulation of the MAP kinase Hog1 in Saccharomyces cerevisiae via topologically different ODE models, parameterized on multimodal activation data. Interestingly, our best fitting model switches between distributive and processive phosphorylation behavior regulated via a positive feedback loop composed of an affinity and a catalytic component targeting the MAP kinase-kinase Pbs2. Indeed, we show that Hog1 directly phosphorylates Pbs2 on serine 248 (S248), that cells expressing a non-phosphorylatable (S248A) or phosphomimetic (S248E) mutant show behavior that is consistent with simulations of disrupted or constitutively active affinity feedback and that Pbs2-S248E shows significantly increased affinity to Hog1 in vitro. Simulations further suggest that this mixed Hog1 activation mechanism is required for full sensitivity to stimuli and to ensure robustness to different perturbations.
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Affiliation(s)
- Maximilian Mosbacher
- Department of Biology, Institute of Biochemistry, ETH Zurich, Zurich, Switzerland
- Department of Biology, Institute of Molecular Systems Biology, ETH Zurich, Zurich, Switzerland
| | - Sung Sik Lee
- Department of Biology, Institute of Biochemistry, ETH Zurich, Zurich, Switzerland
- Scientific Center for Optical and Electron Microscopy, ETH Zurich, Zurich, Switzerland
| | - Gilad Yaakov
- Department of Medicine and Life Sciences (MELIS), Universitat Pompeu Fabra (UPF), 08003, Barcelona, Spain
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel
| | - Mariona Nadal-Ribelles
- Department of Medicine and Life Sciences (MELIS), Universitat Pompeu Fabra (UPF), 08003, Barcelona, Spain
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028, Barcelona, Spain
| | - Eulàlia de Nadal
- Department of Medicine and Life Sciences (MELIS), Universitat Pompeu Fabra (UPF), 08003, Barcelona, Spain
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028, Barcelona, Spain
| | - Frank van Drogen
- Department of Biology, Institute of Biochemistry, ETH Zurich, Zurich, Switzerland
| | - Francesc Posas
- Department of Medicine and Life Sciences (MELIS), Universitat Pompeu Fabra (UPF), 08003, Barcelona, Spain
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028, Barcelona, Spain
| | - Matthias Peter
- Department of Biology, Institute of Biochemistry, ETH Zurich, Zurich, Switzerland.
| | - Manfred Claassen
- Department of Biology, Institute of Molecular Systems Biology, ETH Zurich, Zurich, Switzerland.
- Department of Computer Science, University of Tübingen, Tübingen, Germany.
- Institute for Bioinformatics and Medical Informatics, University of Tübingen, Tübingen, Germany.
- Department of Internal Medicine I, Faculty of Medicine, University Hospital Tübingen, University of Tübingen, Tübingen, Germany.
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4
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Resistance to Molecularly Targeted Therapies in Melanoma. Cancers (Basel) 2021; 13:cancers13051115. [PMID: 33807778 PMCID: PMC7961479 DOI: 10.3390/cancers13051115] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 02/26/2021] [Accepted: 03/01/2021] [Indexed: 12/12/2022] Open
Abstract
Malignant melanoma is the most aggressive type of skin cancer with invasive growth patterns. In 2021, 106,110 patients are projected to be diagnosed with melanoma, out of which 7180 are expected to die. Traditional methods like surgery, radiation therapy, and chemotherapy are not effective in the treatment of metastatic and advanced melanoma. Recent approaches to treat melanoma have focused on biomarkers that play significant roles in cell growth, proliferation, migration, and survival. Several FDA-approved molecular targeted therapies such as tyrosine kinase inhibitors (TKIs) have been developed against genetic biomarkers whose overexpression is implicated in tumorigenesis. The use of targeted therapies as an alternative or supplement to immunotherapy has revolutionized the management of metastatic melanoma. Although this treatment strategy is more efficacious and less toxic in comparison to traditional therapies, targeted therapies are less effective after prolonged treatment due to acquired resistance caused by mutations and activation of alternative mechanisms in melanoma tumors. Recent studies focus on understanding the mechanisms of acquired resistance to these current therapies. Further research is needed for the development of better approaches to improve prognosis in melanoma patients. In this article, various melanoma biomarkers including BRAF, MEK, RAS, c-KIT, VEGFR, c-MET and PI3K are described, and their potential mechanisms for drug resistance are discussed.
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5
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Yeung E, McFann S, Marsh L, Dufresne E, Filippi S, Harrington HA, Shvartsman SY, Wühr M. Inference of Multisite Phosphorylation Rate Constants and Their Modulation by Pathogenic Mutations. Curr Biol 2020; 30:877-882.e6. [PMID: 32059766 PMCID: PMC7085240 DOI: 10.1016/j.cub.2019.12.052] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 11/03/2019] [Accepted: 12/16/2019] [Indexed: 01/03/2023]
Abstract
Multisite protein phosphorylation plays a critical role in cell regulation [1-3]. It is widely appreciated that the functional capabilities of multisite phosphorylation depend on the order and kinetics of phosphorylation steps, but kinetic aspects of multisite phosphorylation remain poorly understood [4-6]. Here, we focus on what appears to be the simplest scenario, when a protein is phosphorylated on only two sites in a strict, well-defined order. This scenario describes the activation of ERK, a highly conserved cell-signaling enzyme. We use Bayesian parameter inference in a structurally identifiable kinetic model to dissect dual phosphorylation of ERK by MEK, a kinase that is mutated in a large number of human diseases [7-12]. Our results reveal how enzyme processivity and efficiencies of individual phosphorylation steps are altered by pathogenic mutations. The presented approach, which connects specific mutations to kinetic parameters of multisite phosphorylation mechanisms, provides a systematic framework for closing the gap between studies with purified enzymes and their effects in the living organism.
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Affiliation(s)
- Eyan Yeung
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Carl Icahn Laboratory, Washington Road, Princeton, NJ 08544, USA; Department of Molecular Biology, Princeton University, Lewis Thomas Laboratory, Washington Road, Princeton, NJ 08544, USA
| | - Sarah McFann
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Carl Icahn Laboratory, Washington Road, Princeton, NJ 08544, USA; Department of Chemical and Biological Engineering, Engineering Quad, Princeton University, Princeton, NJ 08544, USA
| | - Lewis Marsh
- Mathematical Institute, University of Oxford, Andrew Wiles Building, Woodstock Road, Oxford OX2 6GG, UK
| | - Emilie Dufresne
- Department of Mathematics, James College, Campus West, University of York, York YO10 5DD, UK
| | - Sarah Filippi
- Department of Epidemiology and Biostatistics, Imperial College London, Medical School Building, St Mary's Campus, Norfolk Place, London W2 1PG, UK; Department of Mathematics, South Kensington Campus, Imperial College London, London SW7 2AZ, UK
| | - Heather A Harrington
- Mathematical Institute, University of Oxford, Andrew Wiles Building, Woodstock Road, Oxford OX2 6GG, UK
| | - Stanislav Y Shvartsman
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Carl Icahn Laboratory, Washington Road, Princeton, NJ 08544, USA; Department of Molecular Biology, Princeton University, Lewis Thomas Laboratory, Washington Road, Princeton, NJ 08544, USA; Flatiron Institute, Simons Foundation, New York, NY 10010, USA.
| | - Martin Wühr
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Carl Icahn Laboratory, Washington Road, Princeton, NJ 08544, USA; Department of Molecular Biology, Princeton University, Lewis Thomas Laboratory, Washington Road, Princeton, NJ 08544, USA.
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6
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Suwanmajo T, Krishnan J. Exploring the intrinsic behaviour of multisite phosphorylation systems as part of signalling pathways. J R Soc Interface 2019; 15:rsif.2018.0109. [PMID: 29950514 DOI: 10.1098/rsif.2018.0109] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 05/31/2018] [Indexed: 01/13/2023] Open
Abstract
Multisite phosphorylation is a basic way of chemically encoding substrate function and a recurring feature of cell signalling pathways. A number of studies have explored information processing characteristics of multisite phosphorylation, through studies of the intrinsic kinetics. Many of these studies focus on the module in isolation. In this paper, we build a bridge to connect the behaviour of multisite modification in isolation to that as part of pathways. We study the effect of activation of the enzymes (which are basic ways in which the module may be regulated), as well the effects of the modified substrates being involved in further modifications or exiting reaction compartments. We find that these effects can induce multiple kinds of transitions, including to behaviour not seen intrinsically in the multisite modification module. We then build on these insights to investigate how these multisite modification systems can be tuned by enzyme activation to realize a range of information processing outcomes for the design of synthetic phosphorylation circuits. Connecting the complexity of multisite modification kinetics, with the pathways in which they are embedded, serves as a basis for teasing out many aspects of their interaction, providing insights of relevance in systems biology, synthetic biology/chemistry and chemical information processing.
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Affiliation(s)
- Thapanar Suwanmajo
- Department of Chemical Engineering, Centre for Process Systems Engineering, Imperial College London, London SW7 2AZ, UK.,Centre of Excellence in Materials Science and Technology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand.,Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - J Krishnan
- Department of Chemical Engineering, Centre for Process Systems Engineering, Imperial College London, London SW7 2AZ, UK .,Institute for Systems and Synthetic Biology, Imperial College London, South Kensington Campus, London SW7 2AZ, UK
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7
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Liu YS, Wei B. Over-expression of Bcl2-associated athanogene 2 in oral cancer promotes cellular proliferation and is associated with poor prognosis. Arch Oral Biol 2019; 102:164-170. [PMID: 31055249 DOI: 10.1016/j.archoralbio.2019.04.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 04/24/2019] [Accepted: 04/26/2019] [Indexed: 12/17/2022]
Abstract
OBJECTIVE The aim of the present study was to state the role of BAG2 in oral squamous cell carcinomas (OSCC). DESIGN Expression data of BAG2 in OSCC tissues were extracted from Oncomine and TCGA database. Expression levels of BAG2 mRNA and protein were examined by quantitative reverse transcription polymerase chain reaction (qRT-PCR) and western blot assay. The Kaplan-Meier method was conducted to evaluate the overall survival of OSCC patients. Small interfering RNAs (siRNAs) strategy was used to confirm the effect of BAG2 expression on proliferative, invasive, migrated capacities of OSCC cells by Cell Counting kit-8 (CCK-8), colon formation assay, wound healing and transwell assay. RESULTS Our results showed that BAG2 expression was up-regulated in oral squamous cell carcinomas tissues. Compared with OSCC patients with low BAG2 expression, poorer overall survival rate was found in OSCC patients with high BAG2 expression. Furthermore, proliferation, invasion and migration of HO-1-N-1 cells were significantly inhibited because of the knockdown of BAG2. Transfection of si-BAG2 has no impacts on proliferation in HNOEC cells. Inhibition of BAG2 downregulated the expression of relevant proteins, such as proliferating cell nuclear antigen (PCNA), c-Myc, matrix metalloproteinase-2 (MMP-2) and Vimentin. Additionally, the expression levels of the important protein phosphorylation (p-ERK1/2 and p-MEK) in mitogen-activated protein kinase (MAPK) pathway were reduced in HO-1-N-1 cells transfected with si-BAG2. CONCLUSIONS High-regulated BAG2 is related to poor prognosis and could promote proliferation, invasion and migration of OSCC cells by activating the MAPK signaling pathway. Thus, BAG2 may be a potential target for OSCC therapy.
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Affiliation(s)
- Yi-Song Liu
- Dental Department, Daqing Oilfield General Hospital, Daqing City, Heilongjiang Province, 163001, China
| | - Bing Wei
- Endocrine Department, Daqing Oilfield General Hospital, Daqing City, Heilongjiang Province, 163001, China.
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8
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Schneditz G, Elias JE, Pagano E, Zaeem Cader M, Saveljeva S, Long K, Mukhopadhyay S, Arasteh M, Lawley TD, Dougan G, Bassett A, Karlsen TH, Kaser A, Kaneider NC. GPR35 promotes glycolysis, proliferation, and oncogenic signaling by engaging with the sodium potassium pump. Sci Signal 2019; 12:12/562/eaau9048. [PMID: 30600262 DOI: 10.1126/scisignal.aau9048] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The sodium potassium pump (Na/K-ATPase) ensures the electrochemical gradient of a cell through an energy-dependent process that consumes about one-third of regenerated ATP. We report that the G protein-coupled receptor GPR35 interacted with the α chain of Na/K-ATPase and promotes its ion transport and Src signaling activity in a ligand-independent manner. Deletion of Gpr35 increased baseline Ca2+ to maximal levels and reduced Src activation and overall metabolic activity in macrophages and intestinal epithelial cells (IECs). In contrast, a common T108M polymorphism in GPR35 was hypermorphic and had the opposite effects to Gpr35 deletion on Src activation and metabolic activity. The T108M polymorphism is associated with ulcerative colitis and primary sclerosing cholangitis, inflammatory diseases with a high cancer risk. GPR35 promoted homeostatic IEC turnover, whereas Gpr35 deletion or inhibition by a selective pepducin prevented inflammation-associated and spontaneous intestinal tumorigenesis in mice. Thus, GPR35 acts as a central signaling and metabolic pacesetter, which reveals an unexpected role of Na/K-ATPase in macrophage and IEC biology.
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Affiliation(s)
- Georg Schneditz
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Cambridge, Cambridge CB2 0QQ, UK.,Norwegian PSC Research Center, Department of Transplantation Medicine and Institute of Clinical Medicine, Oslo University Hospital and University of Oslo, 0027 Oslo, Norway
| | - Joshua E Elias
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Cambridge, Cambridge CB2 0QQ, UK
| | - Ester Pagano
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Cambridge, Cambridge CB2 0QQ, UK.,Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy
| | - M Zaeem Cader
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Cambridge, Cambridge CB2 0QQ, UK
| | - Svetlana Saveljeva
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Cambridge, Cambridge CB2 0QQ, UK
| | - Kathleen Long
- Wellcome Trust Sanger Institute, Hinxton, CB10 1SA, UK
| | - Subhankar Mukhopadhyay
- Wellcome Trust Sanger Institute, Hinxton, CB10 1SA, UK.,MRC Centre for Transplantation, Peter Gorer Department of Immunobiology, School of Immunology & Microbial Sciences, King's College London, London SE1 9RT, UK
| | | | | | - Gordon Dougan
- Wellcome Trust Sanger Institute, Hinxton, CB10 1SA, UK
| | | | - Tom H Karlsen
- Norwegian PSC Research Center, Department of Transplantation Medicine and Institute of Clinical Medicine, Oslo University Hospital and University of Oslo, 0027 Oslo, Norway
| | - Arthur Kaser
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Cambridge, Cambridge CB2 0QQ, UK
| | - Nicole C Kaneider
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Cambridge, Cambridge CB2 0QQ, UK.
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9
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Manohar S, Shah P, Biswas S, Mukadam A, Joshi M, Viswanathan G. Combining fluorescent cell barcoding and flow cytometry‐based phospho‐ERK1/2 detection at short time scales in adherent cells. Cytometry A 2018; 95:192-200. [DOI: 10.1002/cyto.a.23602] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 08/09/2018] [Accepted: 08/20/2018] [Indexed: 12/23/2022]
Affiliation(s)
- Sonal Manohar
- Department of Chemical EngineeringIndian Institute of Technology Bombay Powai, Mumbai 400076 India
| | - Prachi Shah
- Department of Chemical EngineeringIndian Institute of Technology Bombay Powai, Mumbai 400076 India
| | - Sharmila Biswas
- Department of Chemical EngineeringIndian Institute of Technology Bombay Powai, Mumbai 400076 India
| | - Anam Mukadam
- Department of Chemical EngineeringIndian Institute of Technology Bombay Powai, Mumbai 400076 India
| | - Madhura Joshi
- Department of Chemical EngineeringIndian Institute of Technology Bombay Powai, Mumbai 400076 India
| | - Ganesh Viswanathan
- Department of Chemical EngineeringIndian Institute of Technology Bombay Powai, Mumbai 400076 India
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10
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Goyal Y, Schüpbach T, Shvartsman SY. A quantitative model of developmental RTK signaling. Dev Biol 2018; 442:80-86. [PMID: 30026122 DOI: 10.1016/j.ydbio.2018.07.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2018] [Revised: 06/22/2018] [Accepted: 07/13/2018] [Indexed: 01/06/2023]
Abstract
Receptor tyrosine kinases (RTKs) control a wide range of developmental processes, from the first stages of embryogenesis to postnatal growth and neurocognitive development in the adult. A significant share of our knowledge about RTKs comes from genetic screens in model organisms, which provided numerous examples demonstrating how specific cell fates and morphologies are abolished when RTK activation is either abrogated or significantly reduced. Aberrant activation of such pathways has also been recognized in many forms of cancer. More recently, studies of human developmental syndromes established that excessive activation of RTKs and their downstream signaling effectors, most notably the Ras signaling pathway, can also lead to structural and functional defects. Given that both insufficient and excessive pathway activation can lead to abnormalities, mechanistic analysis of developmental RTK signaling must address quantitative questions about its regulation and function. Patterning events controlled by the RTK Torso in the early Drosophila embryo are well-suited for this purpose. This mini review summarizes current state of knowledge about Torso-dependent Ras activation and discusses its potential to serve as a quantitative model for studying the general principles of Ras signaling in development and disease.
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Affiliation(s)
- Yogesh Goyal
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ 08544, United States; The Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544, United States
| | - Trudi Schüpbach
- Department of Molecular Biology, Princeton University, Princeton, NJ 08544, United States
| | - Stanislav Y Shvartsman
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ 08544, United States; The Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544, United States; Department of Molecular Biology, Princeton University, Princeton, NJ 08544, United States.
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11
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Abstract
Tissues contain multiple different cell types and can be considered to be heterocellular systems. Signaling between different cells allows tissues to achieve phenotypes that no cell type can achieve in isolation. Such emergent tissue-level phenotypes can be said to 'supervene upon' heterocellular signaling. It is proposed here that cancer is also an emergent phenotype that supervenes upon heterocellular signaling. Using colorectal cancer (CRC) as an example, I review how heterotypic cells differentially communicate to support emergent malignancy. Studying tumors as integrated heterocellular systems - rather than as solitary expansions of mutated cells - may reveal novel ways to treat cancer.
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12
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Sobotta S, Raue A, Huang X, Vanlier J, Jünger A, Bohl S, Albrecht U, Hahnel MJ, Wolf S, Mueller NS, D'Alessandro LA, Mueller-Bohl S, Boehm ME, Lucarelli P, Bonefas S, Damm G, Seehofer D, Lehmann WD, Rose-John S, van der Hoeven F, Gretz N, Theis FJ, Ehlting C, Bode JG, Timmer J, Schilling M, Klingmüller U. Model Based Targeting of IL-6-Induced Inflammatory Responses in Cultured Primary Hepatocytes to Improve Application of the JAK Inhibitor Ruxolitinib. Front Physiol 2017; 8:775. [PMID: 29062282 PMCID: PMC5640784 DOI: 10.3389/fphys.2017.00775] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Accepted: 09/22/2017] [Indexed: 12/12/2022] Open
Abstract
IL-6 is a central mediator of the immediate induction of hepatic acute phase proteins (APP) in the liver during infection and after injury, but increased IL-6 activity has been associated with multiple pathological conditions. In hepatocytes, IL-6 activates JAK1-STAT3 signaling that induces the negative feedback regulator SOCS3 and expression of APPs. While different inhibitors of IL-6-induced JAK1-STAT3-signaling have been developed, understanding their precise impact on signaling dynamics requires a systems biology approach. Here we present a mathematical model of IL-6-induced JAK1-STAT3 signaling that quantitatively links physiological IL-6 concentrations to the dynamics of IL-6-induced signal transduction and expression of target genes in hepatocytes. The mathematical model consists of coupled ordinary differential equations (ODE) and the model parameters were estimated by a maximum likelihood approach, whereas identifiability of the dynamic model parameters was ensured by the Profile Likelihood. Using model simulations coupled with experimental validation we could optimize the long-term impact of the JAK-inhibitor Ruxolitinib, a therapeutic compound that is quickly metabolized. Model-predicted doses and timing of treatments helps to improve the reduction of inflammatory APP gene expression in primary mouse hepatocytes close to levels observed during regenerative conditions. The concept of improved efficacy of the inhibitor through multiple treatments at optimized time intervals was confirmed in primary human hepatocytes. Thus, combining quantitative data generation with mathematical modeling suggests that repetitive treatment with Ruxolitinib is required to effectively target excessive inflammatory responses without exceeding doses recommended by the clinical guidelines.
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Affiliation(s)
- Svantje Sobotta
- Division Systems Biology of Signal Transduction, German Cancer Research Center, Heidelberg, Germany
| | - Andreas Raue
- Discovery Division, Merrimack Pharmaceuticals, Cambridge, MA, United States
| | - Xiaoyun Huang
- Division Systems Biology of Signal Transduction, German Cancer Research Center, Heidelberg, Germany
| | - Joep Vanlier
- Institute of Physics, Albert Ludwigs University of Freiburg, Freiburg, Germany.,BIOSS Centre for Biological Signalling Studies, Albert Ludwigs University of Freiburg, Freiburg, Germany
| | - Anja Jünger
- Division Systems Biology of Signal Transduction, German Cancer Research Center, Heidelberg, Germany
| | - Sebastian Bohl
- Division Systems Biology of Signal Transduction, German Cancer Research Center, Heidelberg, Germany
| | - Ute Albrecht
- Clinic of Gastroenterology, Hepatology and Infectious Diseases, University Hospital, Heinrich Heine University of Düsseldorf, Düsseldorf, Germany
| | - Maximilian J Hahnel
- Clinic of Gastroenterology, Hepatology and Infectious Diseases, University Hospital, Heinrich Heine University of Düsseldorf, Düsseldorf, Germany
| | - Stephanie Wolf
- Clinic of Gastroenterology, Hepatology and Infectious Diseases, University Hospital, Heinrich Heine University of Düsseldorf, Düsseldorf, Germany
| | - Nikola S Mueller
- Institute of Computational Biology, Helmholtz Zentrum München, Neuherberg, Germany
| | - Lorenza A D'Alessandro
- Division Systems Biology of Signal Transduction, German Cancer Research Center, Heidelberg, Germany
| | - Stephanie Mueller-Bohl
- Division Systems Biology of Signal Transduction, German Cancer Research Center, Heidelberg, Germany
| | - Martin E Boehm
- Division Systems Biology of Signal Transduction, German Cancer Research Center, Heidelberg, Germany
| | - Philippe Lucarelli
- Division Systems Biology of Signal Transduction, German Cancer Research Center, Heidelberg, Germany
| | - Sandra Bonefas
- Division Systems Biology of Signal Transduction, German Cancer Research Center, Heidelberg, Germany
| | - Georg Damm
- Department of Hepatobiliary Surgery and Visceral Transplantation, Leipzig University, Leipzig, Germany
| | - Daniel Seehofer
- Department of Hepatobiliary Surgery and Visceral Transplantation, Leipzig University, Leipzig, Germany
| | - Wolf D Lehmann
- Division Systems Biology of Signal Transduction, German Cancer Research Center, Heidelberg, Germany
| | | | - Frank van der Hoeven
- Transgenic Service, Center for Preclinical Research, German Cancer Research Center, Heidelberg, Germany
| | - Norbert Gretz
- Medical Research Center, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Fabian J Theis
- Institute of Computational Biology, Helmholtz Zentrum München, Neuherberg, Germany.,Department of Mathematics, Technical University of Munich, Garching, Germany
| | - Christian Ehlting
- Clinic of Gastroenterology, Hepatology and Infectious Diseases, University Hospital, Heinrich Heine University of Düsseldorf, Düsseldorf, Germany
| | - Johannes G Bode
- Clinic of Gastroenterology, Hepatology and Infectious Diseases, University Hospital, Heinrich Heine University of Düsseldorf, Düsseldorf, Germany
| | - Jens Timmer
- Institute of Physics, Albert Ludwigs University of Freiburg, Freiburg, Germany.,BIOSS Centre for Biological Signalling Studies, Albert Ludwigs University of Freiburg, Freiburg, Germany
| | - Marcel Schilling
- Division Systems Biology of Signal Transduction, German Cancer Research Center, Heidelberg, Germany
| | - Ursula Klingmüller
- Division Systems Biology of Signal Transduction, German Cancer Research Center, Heidelberg, Germany
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13
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Kutty RG, Talipov MR, Bongard RD, Lipinski RAJ, Sweeney NL, Sem DS, Rathore R, Ramchandran R. Dual Specificity Phosphatase 5-Substrate Interaction: A Mechanistic Perspective. Compr Physiol 2017; 7:1449-1461. [PMID: 28915331 DOI: 10.1002/cphy.c170007] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The mammalian genome contains approximately 200 phosphatases that are responsible for catalytically removing phosphate groups from proteins. In this review, we discuss dual specificity phosphatase 5 (DUSP5). DUSP5 belongs to the dual specificity phosphatase (DUSP) family, so named after the family members' abilities to remove phosphate groups from serine/threonine and tyrosine residues. We provide a comparison of DUSP5's structure to other DUSPs and, using molecular modeling studies, provide an explanation for DUSP5's mechanistic interaction and specificity toward phospho-extracellular regulated kinase, its only known substrate. We also discuss new insights from molecular modeling studies that will influence our current thinking of mitogen-activated protein kinase signaling. Finally, we discuss the lessons learned from identifying small molecules that target DUSP5, which might benefit targeting efforts for other phosphatases. © 2017 American Physiological Society. Compr Physiol 7:1449-1461, 2017.
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Affiliation(s)
- Raman G Kutty
- Department of Pediatrics, Division of Neonatology, Department of Obstetrics and Gynecology, Developmental Vascular Biology Program, Translational and Biomedical Research Center, Milwaukee, Wisconsin, USA
| | - Marat R Talipov
- New Mexico State University, Department of Chemistry and Biochemistry, Las Cruces, New Mexico, USA
| | - Robert D Bongard
- Center for Structure-based Drug Design and Development, Department of Pharmaceutical Sciences, Concordia University of Wisconsin, Mequon, Wisconsin, USA
| | - Rachel A Jones Lipinski
- Department of Pediatrics, Division of Neonatology, Department of Obstetrics and Gynecology, Developmental Vascular Biology Program, Translational and Biomedical Research Center, Milwaukee, Wisconsin, USA.,Department of Chemistry, Marquette University, Milwaukee, Wisconsin, USA
| | - Noreena L Sweeney
- Center for Structure-based Drug Design and Development, Department of Pharmaceutical Sciences, Concordia University of Wisconsin, Mequon, Wisconsin, USA
| | - Daniel S Sem
- Center for Structure-based Drug Design and Development, Department of Pharmaceutical Sciences, Concordia University of Wisconsin, Mequon, Wisconsin, USA
| | - Rajendra Rathore
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin, USA
| | - Ramani Ramchandran
- Department of Pediatrics, Division of Neonatology, Department of Obstetrics and Gynecology, Developmental Vascular Biology Program, Translational and Biomedical Research Center, Milwaukee, Wisconsin, USA
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14
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Adlung L, Kar S, Wagner MC, She B, Chakraborty S, Bao J, Lattermann S, Boerries M, Busch H, Wuchter P, Ho AD, Timmer J, Schilling M, Höfer T, Klingmüller U. Protein abundance of AKT and ERK pathway components governs cell type-specific regulation of proliferation. Mol Syst Biol 2017; 13:904. [PMID: 28123004 PMCID: PMC5293153 DOI: 10.15252/msb.20167258] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Signaling through the AKT and ERK pathways controls cell proliferation. However, the integrated regulation of this multistep process, involving signal processing, cell growth and cell cycle progression, is poorly understood. Here, we study different hematopoietic cell types, in which AKT and ERK signaling is triggered by erythropoietin (Epo). Although these cell types share the molecular network topology for pro‐proliferative Epo signaling, they exhibit distinct proliferative responses. Iterating quantitative experiments and mathematical modeling, we identify two molecular sources for cell type‐specific proliferation. First, cell type‐specific protein abundance patterns cause differential signal flow along the AKT and ERK pathways. Second, downstream regulators of both pathways have differential effects on proliferation, suggesting that protein synthesis is rate‐limiting for faster cycling cells while slower cell cycles are controlled at the G1‐S progression. The integrated mathematical model of Epo‐driven proliferation explains cell type‐specific effects of targeted AKT and ERK inhibitors and faithfully predicts, based on the protein abundance, anti‐proliferative effects of inhibitors in primary human erythroid progenitor cells. Our findings suggest that the effectiveness of targeted cancer therapy might become predictable from protein abundance.
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Affiliation(s)
- Lorenz Adlung
- Division of Systems Biology of Signal Transduction, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Sandip Kar
- Division of Theoretical Systems Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany.,BioQuant Center, University of Heidelberg, Heidelberg, Germany.,Department of Chemistry, Indian Institute of Technology, Mumbai, India
| | - Marie-Christine Wagner
- Division of Systems Biology of Signal Transduction, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Bin She
- Division of Systems Biology of Signal Transduction, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Sajib Chakraborty
- Division of Systems Biology of Signal Transduction, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jie Bao
- Systems Biology of the Cellular Microenvironment Group, IMMZ, ALU, Freiburg, Germany
| | - Susen Lattermann
- Division of Systems Biology of Signal Transduction, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Melanie Boerries
- Systems Biology of the Cellular Microenvironment Group, IMMZ, ALU, Freiburg, Germany.,German Cancer Consortium (DKTK), Freiburg, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Hauke Busch
- Systems Biology of the Cellular Microenvironment Group, IMMZ, ALU, Freiburg, Germany.,German Cancer Consortium (DKTK), Freiburg, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Patrick Wuchter
- Department of Medicine V, University of Heidelberg, Heidelberg, Germany.,Institute for Transfusion Medicine and Immunology, University of Heidelberg, Mannheim, Germany
| | - Anthony D Ho
- Department of Medicine V, University of Heidelberg, Heidelberg, Germany
| | - Jens Timmer
- Center for Biological Signaling Studies (BIOSS), Institute of Physics, University of Freiburg, Freiburg, Germany
| | - Marcel Schilling
- Division of Systems Biology of Signal Transduction, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Thomas Höfer
- Division of Theoretical Systems Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany .,BioQuant Center, University of Heidelberg, Heidelberg, Germany
| | - Ursula Klingmüller
- Division of Systems Biology of Signal Transduction, German Cancer Research Center (DKFZ), Heidelberg, Germany .,Translational Lung Research Center (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
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15
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Kawabata N, Matsuda M. Cell Density-Dependent Increase in Tyrosine-Monophosphorylated ERK2 in MDCK Cells Expressing Active Ras or Raf. PLoS One 2016; 11:e0167940. [PMID: 27936234 PMCID: PMC5148048 DOI: 10.1371/journal.pone.0167940] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Accepted: 11/22/2016] [Indexed: 12/25/2022] Open
Abstract
The extracellular signal-regulated kinase (ERK) is one of the principal hub proteins that transmit growth signals from upstream oncogene products including Ras and BRaf to downstream effector proteins. However, there are both reports supporting and refuting the increase in ERK activity in cancer tissues expressing the active Ras and BRaf proteins. We considered that the cell density might account for this discrepancy. To examine this possibility, we prepared Madin-Darby canine kidney (MDCK) cells that expressed an active HRas, NRas, KRas, or BRaf and an ERK biosensor based on the principle of Förster resonance energy transfer (FRET). As we anticipated, expression of the active Ras or BRaf increased ERK activity at low cell densities. However, the ERK activity was markedly suppressed at high cell densities irrespective of the expression of the active Ras or BRaf. Western blotting analysis with Phos-tag gel revealed the decrease of tyrosine and threonine-diphosphorylated active ERK and the increase of tyrosine-monophosphorylated inactive ERK at high cell density. In addition, we found that calyculin A, an inhibitor for PPP-subfamily protein serine/threonine phosphatases, decreased the tyrosine-monophosphorylated ERK. Our study suggests that PPP-subfamily phosphatases may be responsible for cell density-dependent ERK dephosphorylation in cancer cells expressing active Ras or BRaf protein.
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Affiliation(s)
- Noriyuki Kawabata
- Department of Pathology and Biology of Diseases, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Michiyuki Matsuda
- Department of Pathology and Biology of Diseases, Graduate School of Medicine, Kyoto University, Kyoto, Japan
- * E-mail:
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16
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Talipov MR, Nayak J, Lepley M, Bongard RD, Sem DS, Ramchandran R, Rathore R. Critical Role of the Secondary Binding Pocket in Modulating the Enzymatic Activity of DUSP5 toward Phosphorylated ERKs. Biochemistry 2016; 55:6187-6195. [PMID: 27739308 DOI: 10.1021/acs.biochem.6b00498] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
DUSP5 is an inducible nuclear dual-specificity phosphatase that specifically interacts with and deactivates extracellular signal-regulated kinases ERK1 and ERK2, which are responsible for cell proliferation, differentiation, and survival. The phosphatase domain (PD) of DUSP5 has unique structural features absent from other nuclear DUSPs, such as the presence of a secondary anion-binding site in the proximity of the reaction center and a glutamic acid E264 positioned next to the catalytic cysteine C263, as well as a remote intramolecular disulfide linkage. The overall 400 ns molecular dynamics simulations indicate that the secondary binding site of DUSP5 PD acts as an allosteric regulator of the phosphatase activity of DUSP5. Our studies have identified E264 as a critical constituent of the dual binding pocket, which regulates the catalytic activity of DUSP5 by forming a salt bridge with arginine R269. Molecular dynamics studies showed that initial occupation of the secondary binding pocket leads to the breakage of the salt bridge, which then allows the occupation of the active site. Indeed, biochemical analysis using the pERK assay on mutant E264Q demonstrated that mutation of glutamic acid E264 leads to an increase in the DUSP5 catalytic activity. The role of the secondary binding site in assembling the DUSP5-pERK pre-reactive complex was further demonstrated by molecular dynamics simulations that showed that the remote C197-C219 disulfide linkage controls the structure of the secondary binding pocket based on its redox state (i.e., disulfide/dithiol) and, in turn, the enzymatic activity of DUSP5.
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Affiliation(s)
- Marat R Talipov
- Department of Chemistry, Marquette University , Wehr Chemistry Building, P.O. Box 1881, 535 North 14th Street, Milwaukee, Wisconsin 53201, United States
| | - Jaladhi Nayak
- Department of Pediatrics, Department of Obstetrics and Gynecology, Children's Research Institute (CRI) Developmental Vascular Biology Program, and Translational and Biomedical Research Center, Medical College of Wisconsin , 8701 Watertown Plank Road, P.O. Box 26509, Milwaukee, Wisconsin 53226, United States
| | - Michael Lepley
- Department of Pediatrics, Department of Obstetrics and Gynecology, Children's Research Institute (CRI) Developmental Vascular Biology Program, and Translational and Biomedical Research Center, Medical College of Wisconsin , 8701 Watertown Plank Road, P.O. Box 26509, Milwaukee, Wisconsin 53226, United States
| | - Robert D Bongard
- Center for Structure-based Drug Design and Development, Department of Pharmaceutical Sciences, Concordia University of Wisconsin , Mequon, Wisconsin 53097, United States
| | - Daniel S Sem
- Center for Structure-based Drug Design and Development, Department of Pharmaceutical Sciences, Concordia University of Wisconsin , Mequon, Wisconsin 53097, United States
| | - Ramani Ramchandran
- Department of Pediatrics, Department of Obstetrics and Gynecology, Children's Research Institute (CRI) Developmental Vascular Biology Program, and Translational and Biomedical Research Center, Medical College of Wisconsin , 8701 Watertown Plank Road, P.O. Box 26509, Milwaukee, Wisconsin 53226, United States
| | - Rajendra Rathore
- Department of Chemistry, Marquette University , Wehr Chemistry Building, P.O. Box 1881, 535 North 14th Street, Milwaukee, Wisconsin 53201, United States
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17
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Tape CJ. Systems Biology Analysis of Heterocellular Signaling. Trends Biotechnol 2016; 34:627-637. [DOI: 10.1016/j.tibtech.2016.02.016] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Revised: 02/26/2016] [Accepted: 02/29/2016] [Indexed: 10/22/2022]
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