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Vande Zande P, Siddiq MA, Hodgins-Davis A, Kim L, Wittkopp PJ. Active compensation for changes in TDH3 expression mediated by direct regulators of TDH3 in Saccharomyces cerevisiae. PLoS Genet 2023; 19:e1011078. [PMID: 38091349 PMCID: PMC10752532 DOI: 10.1371/journal.pgen.1011078] [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: 11/10/2023] [Revised: 12/27/2023] [Accepted: 11/22/2023] [Indexed: 12/26/2023] Open
Abstract
Genetic networks are surprisingly robust to perturbations caused by new mutations. This robustness is conferred in part by compensation for loss of a gene's activity by genes with overlapping functions, such as paralogs. Compensation occurs passively when the normal activity of one paralog can compensate for the loss of the other, or actively when a change in one paralog's expression, localization, or activity is required to compensate for loss of the other. The mechanisms of active compensation remain poorly understood in most cases. Here we investigate active compensation for the loss or reduction in expression of the Saccharomyces cerevisiae gene TDH3 by its paralog TDH2. TDH2 is upregulated in a dose-dependent manner in response to reductions in TDH3 by a mechanism requiring the shared transcriptional regulators Gcr1p and Rap1p. TDH1, a second and more distantly related paralog of TDH3, has diverged in its regulation and is upregulated by another mechanism. Other glycolytic genes regulated by Rap1p and Gcr1p show changes in expression similar to TDH2, suggesting that the active compensation by TDH3 paralogs is part of a broader homeostatic response mediated by shared transcriptional regulators.
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Affiliation(s)
- Pétra Vande Zande
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, Michigan, United States of America
| | - Mohammad A. Siddiq
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, Michigan, United States of America
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, Michigan, United States of America
| | - Andrea Hodgins-Davis
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, Michigan, United States of America
| | - Lisa Kim
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, Michigan, United States of America
| | - Patricia J. Wittkopp
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, Michigan, United States of America
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, Michigan, United States of America
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Shegay PV, Shatova OP, Zabolotneva AA, Shestopalov AV, Kaprin AD. Moonlight functions of glycolytic enzymes in cancer. Front Mol Biosci 2023; 10:1076138. [PMID: 37449059 PMCID: PMC10337784 DOI: 10.3389/fmolb.2023.1076138] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 06/19/2023] [Indexed: 07/18/2023] Open
Abstract
Since an extensive genome research has started, basic principle "one gene-one protein-one function" was significantly revised. Many proteins with more than one function were identified and characterized as "moonlighting" proteins, which activity depend not only on structural peculiarities but also on compartmentation and metabolic environment. It turned out that "housekeeping" glycolytic enzymes show important moonlight functions such as control of development, proliferation, apoptosis, migration, regulation of transcription and cell signaling. Glycolytic enzymes emerged very early in evolution and because of the limited content of genomes, they could be used as ancient regulators for intercellular and intracellular communication. The multifunctionality of the constitutively expressed enzymes began to serve cancer cell survival and growth. In the present review we discuss some moonlight functions of glycolytic enzymes that important for malignant transformation and tumor growth.
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Affiliation(s)
- Petr V. Shegay
- Federal State Budget Institution, National Medical Research Radiology Center of the Ministry of Healthcare of the Russian Federation, Moscow, Russia
| | - Olga P. Shatova
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, Pirogov Russian National Research Medical University, Moscow, Russia
- Biochemistry Department, Peoples’ Friendship University of Russia, Moscow, Russia
| | - Anastasia A. Zabolotneva
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, Pirogov Russian National Research Medical University, Moscow, Russia
- National Medical Research Centre for Endocrinology, Laboratory of Biochemistry of Signaling Pathways, Moscow, Russia
| | - Aleksandr V. Shestopalov
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, Pirogov Russian National Research Medical University, Moscow, Russia
- National Medical Research Centre for Endocrinology, Laboratory of Biochemistry of Signaling Pathways, Moscow, Russia
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Andrei D. Kaprin
- Federal State Budget Institution, National Medical Research Radiology Center of the Ministry of Healthcare of the Russian Federation, Moscow, Russia
- Biochemistry Department, Peoples’ Friendship University of Russia, Moscow, Russia
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3
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Dhiman A, Talukdar S, Chaubey GK, Dilawari R, Modanwal R, Chaudhary S, Patidar A, Boradia VM, Kumbhar P, Raje CI, Raje M. Regulation of Macrophage Cell Surface GAPDH Alters LL-37 Internalization and Downstream Effects in the Cell. J Innate Immun 2023; 15:581-598. [PMID: 37080180 PMCID: PMC10315065 DOI: 10.1159/000530083] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 03/03/2023] [Indexed: 04/22/2023] Open
Abstract
Mycobacterium tuberculosis (M.tb), the major causative agent of tuberculosis, has evolved mechanisms to evade host defenses and persist within host cells. Host-directed therapies against infected cells are emerging as an effective option. Cationic host defense peptide LL-37 is known to internalize into cells and induce autophagy resulting in intracellular killing of M.tb. This peptide also regulates the immune system and interacts with the multifunctional protein glyceraldehyde-3-phosphate dehydrogenase (GAPDH) inside macrophages. Our investigations revealed that GAPDH moonlights as a mononuclear cell surface receptor that internalizes LL-37. We confirmed that the surface levels of purinergic receptor 7, the receptor previously reported for this peptide, remained unaltered on M.tb infected macrophages. Upon infection or cellular activation with IFNγ, surface recruited GAPDH bound to and internalized LL-37 into endocytic compartments via a lipid raft-dependent process. We also discovered a role for GAPDH in LL-37-mediated autophagy induction and clearance of intracellular pathogens. In infected macrophages wherein GAPDH had been knocked down, we observed an inhibition of LL-37-mediated autophagy which was rescued by GAPDH overexpression. This process was dependent on intracellular calcium and p38 MAPK pathways. Our findings reveal a previously unknown process by which macrophages internalize an antimicrobial peptide via cell surface GAPDH and suggest a moonlighting role of GAPDH in regulating cellular phenotypic responses of LL-37 resulting in reduction of M.tb burden.
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Affiliation(s)
- Asmita Dhiman
- Institute of Microbial Technology, CSIR, Chandigarh, India
| | | | | | - Rahul Dilawari
- Institute of Microbial Technology, CSIR, Chandigarh, India
| | | | | | - Anil Patidar
- Institute of Microbial Technology, CSIR, Chandigarh, India
| | | | - Pradeep Kumbhar
- National Institute of Pharmaceutical Education and Research, Punjab, India
| | | | - Manoj Raje
- Institute of Microbial Technology, CSIR, Chandigarh, India
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Zande PV, Wittkopp PJ. Active compensation for changes in TDH3 expression mediated by direct regulators of TDH3 in Saccharomyces cerevisiae. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.13.523977. [PMID: 36711763 PMCID: PMC9882118 DOI: 10.1101/2023.01.13.523977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Genetic networks are surprisingly robust to perturbations caused by new mutations. This robustness is conferred in part by compensation for loss of a gene's activity by genes with overlapping functions, such as paralogs. Compensation occurs passively when the normal activity of one paralog can compensate for the loss of the other, or actively when a change in one paralog's expression, localization, or activity is required to compensate for loss of the other. The mechanisms of active compensation remain poorly understood in most cases. Here we investigate active compensation for the loss or reduction in expression of the Saccharomyces cerevisiae gene TDH3 by its paralogs TDH1 and TDH2. TDH1 and TDH2 are upregulated in a dose-dependent manner in response to reductions in TDH3 by a mechanism requiring the shared transcriptional regulators Gcr1p and Rap1p. Other glycolytic genes regulated by Rap1p and Gcr1p show changes in expression similar to TDH2, suggesting that the active compensation by TDH3 paralogs is part of a broader homeostatic response mediated by shared transcriptional regulators.
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Affiliation(s)
- Pétra Vande Zande
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI, USA
- Current address: Department of Microbiology and Immunology, University of Minnesota, Minneapolis, MN, USA
| | - Patricia J Wittkopp
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI, USA
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA
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Cornett K, Puderbaugh A, Back O, Craven R. GAPDH in neuroblastoma: Functions in metabolism and survival. Front Oncol 2022; 12:979683. [PMID: 36267982 PMCID: PMC9577191 DOI: 10.3389/fonc.2022.979683] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 09/20/2022] [Indexed: 11/18/2022] Open
Abstract
Neuroblastoma is a pediatric cancer of neural crest cells. It develops most frequently in nerve cells around the adrenal gland, although other locations are possible. Neuroblastomas rely on glycolysis as a source of energy and metabolites, and the enzymes that catalyze glycolysis are potential therapeutic targets for neuroblastoma. Furthermore, glycolysis provides a protective function against DNA damage, and there is evidence that glycolysis inhibitors may improve outcomes from other cancer treatments. This mini-review will focus on glyceraldehyde 3-phosphate dehydrogenase (GAPDH), one of the central enzymes in glycolysis. GAPDH has a key role in metabolism, catalyzing the sixth step in glycolysis and generating NADH. GAPDH also has a surprisingly diverse number of localizations, including the nucleus, where it performs multiple functions, and the plasma membrane. One membrane-associated function of GAPDH is stimulating glucose uptake, consistent with a role for GAPDH in energy and metabolite production. The plasma membrane localization of GAPDH and its role in glucose uptake have been verified in neuroblastoma. Membrane-associated GAPDH also participates in iron uptake, although this has not been tested in neuroblastoma. Finally, GAPDH activates autophagy through a nuclear complex with Sirtuin. This review will discuss these activities and their potential role in cancer metabolism, treatment and drug resistance.
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Chen PC, Hsieh MH, Kuo WS, Wu LSH, Kao HF, Liu LF, Liu ZG, Jeng WY, Wang JY. Moonlighting glyceraldehyde-3-phosphate dehydrogenase (GAPDH) protein of Lactobacillus gasseri attenuates allergic asthma via immunometabolic change in macrophages. J Biomed Sci 2022; 29:75. [PMID: 36175886 PMCID: PMC9520948 DOI: 10.1186/s12929-022-00861-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 09/23/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The extra-intestinal effects of probiotics for preventing allergic diseases are well known. However, the probiotic components that interact with host target molecules and have a beneficial effect on allergic asthma remain unknown. Lactobacillus gasseri attenuates allergic airway inflammation through the activation of peroxisome proliferator- activated receptor γ (PPARγ) in dendritic cells. Therefore, we aimed to isolate and investigate the immunomodulatory effect of the PPARγ activation component from L. gasseri. METHODS Culture supernatants of L. gasseri were fractionated and screened for the active component for allergic asthma. The isolated component was subjected to in vitro functional assays and then cloned. The crystal structure of this component protein was determined using X-ray crystallography. Intrarectal inoculation of the active component-overexpressing Clear coli (lipopolysaccharide-free Escherichia coli) and intraperitoneal injection of recombinant component protein were used in a house dust mite (HDM)-induced allergic asthma mouse model to investigate the protective effect. Recombinant mutant component proteins were assayed, and their structures were superimposed to identify the detailed mechanism of alleviating allergic inflammation. RESULTS A moonlighting protein, glycolytic glyceraldehyde 3-phosphate dehydrogenase (GAPDH), LGp40, that has multifunctional effects was purified from cultured L. gasseri, and the crystal structure was determined. Both intrarectal inoculation of LGp40-overexpressing Clear coli and intraperitoneal administration of recombinant LGp40 protein attenuated allergic inflammation in a mouse model of allergic asthma. However, CDp40, GAPDH isolated from Clostridium difficile did not possess this anti-asthma effect. LGp40 redirected allergic M2 macrophages toward the M1 phenotype and impeded M2-prompted Th2 cell activation through glycolytic activity that induced immunometabolic changes. Recombinant mutant LGp40, without enzyme activity, showed no protective effect against HDM-induced airway inflammation. CONCLUSIONS We found a novel mechanism of moonlighting LGp40 in the reversal of M2-prompted Th2 cell activation through glycolytic activity, which has an important immunoregulatory role in preventing allergic asthma. Our results provide a new strategy for probiotics application in alleviating allergic asthma.
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Affiliation(s)
- Pei-Chi Chen
- Center for Allergy, Immunology, and Microbiome (A.I.M.), China Medical University Hospital, No. 2, Yuh-Der Road, Taichung City, 404, Taiwan.,Department of Nursing, National Tainan Junior College of Nursing, Tainan, Taiwan
| | - Miao-Hsi Hsieh
- Center for Allergy, Immunology, and Microbiome (A.I.M.), China Medical University Hospital, No. 2, Yuh-Der Road, Taichung City, 404, Taiwan
| | - Wen-Shuo Kuo
- Center for Allergy, Immunology, and Microbiome (A.I.M.), China Medical University Hospital, No. 2, Yuh-Der Road, Taichung City, 404, Taiwan.,School of Chemistry and Materials Science, Nanjing University of Information Science and Technology, Nanjing, China
| | - Lawrence Shih-Hsin Wu
- Center for Allergy, Immunology, and Microbiome (A.I.M.), China Medical University Hospital, No. 2, Yuh-Der Road, Taichung City, 404, Taiwan.,Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - Hui-Fang Kao
- Department of Nursing, National Tainan Junior College of Nursing, Tainan, Taiwan
| | - Li-Fan Liu
- Institute of Gerontology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Zhi-Gang Liu
- Department of Respirology and Allergy, Third Affiliated Hospital of Shengzhen University, Shengzhen, China
| | - Wen-Yih Jeng
- University Center for Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan. .,Department of Biochemistry and Molecular Biology, National Cheng Kung University, No. 1, University Road, Tainan City, 701, Taiwan.
| | - Jiu-Yao Wang
- Center for Allergy, Immunology, and Microbiome (A.I.M.), China Medical University Hospital, No. 2, Yuh-Der Road, Taichung City, 404, Taiwan. .,Children's Hospital, China Medical University, Taichung, Taiwan.
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Natural product 1,2,3,4,6-penta-O-galloyl-β-D-glucopyranose is a reversible inhibitor of glyceraldehyde 3-phosphate dehydrogenase. Acta Pharmacol Sin 2022; 43:470-482. [PMID: 33850276 PMCID: PMC8792024 DOI: 10.1038/s41401-021-00653-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 03/13/2021] [Indexed: 02/03/2023] Open
Abstract
Aerobic glycolysis, also known as the Warburg effect, is a hallmark of cancer cell glucose metabolism and plays a crucial role in the activation of various types of immune cells. Glyceraldehyde 3-phosphate dehydrogenase (GAPDH) catalyzes the conversion of D-glyceraldehyde 3-phosphate to D-glycerate 1,3-bisphosphate in the 6th critical step in glycolysis. GAPDH exerts metabolic flux control during aerobic glycolysis and therefore is an attractive therapeutic target for cancer and autoimmune diseases. Recently, GAPDH inhibitors were reported to function through common suicide inactivation by covalent binding to the cysteine catalytic residue of GAPDH. Herein, by developing a high-throughput enzymatic screening assay, we discovered that the natural product 1,2,3,4,6-penta-O-galloyl-β-D-glucopyranose (PGG) is an inhibitor of GAPDH with Ki = 0.5 μM. PGG blocks GAPDH activity by a reversible and NAD+ and Pi competitive mechanism, suggesting that it represents a novel class of GAPDH inhibitors. In-depth hydrogen deuterium exchange mass spectrometry (HDX-MS) analysis revealed that PGG binds to a region that disrupts NAD+ and inorganic phosphate binding, resulting in a distal conformational change at the GAPDH tetramer interface. In addition, structural modeling analysis indicated that PGG probably reversibly binds to the center pocket of GAPDH. Moreover, PGG inhibits LPS-stimulated macrophage activation by specific downregulation of GAPDH-dependent glucose consumption and lactate production. In summary, PGG represents a novel class of GAPDH inhibitors that probably reversibly binds to the center pocket of GAPDH. Our study sheds new light on factors for designing a more potent and specific inhibitor of GAPDH for future therapeutic applications.
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Chaudhary S, Patidar A, Dhiman A, Chaubey GK, Dilawari R, Talukdar S, Modanwal R, Raje M. Exposure of a specific pleioform of multifunctional glyceraldehyde 3-phosphate dehydrogenase initiates CD14-dependent clearance of apoptotic cells. Cell Death Dis 2021; 12:892. [PMID: 34593755 PMCID: PMC8482365 DOI: 10.1038/s41419-021-04168-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 09/02/2021] [Accepted: 09/15/2021] [Indexed: 02/08/2023]
Abstract
Rapid clearance of apoptotic cells by phagocytes is crucial for organogenesis, tissue homeostasis, and resolution of inflammation. This process is initiated by surface exposure of various 'eat me' ligands. Though phosphatidylserine (PS) is the best recognized general recognition ligand till date, recent studies have shown that PS by itself is not sufficient for clearance of apoptotic cells. In this study, we have identified a specific pleioform of GAPDH (Glyceraldehyde 3-phosphate dehydrogenase) that functions as an 'eat me' signal on apoptotic cell surface. This specific form of GAPDH which is exposed on surface of apoptotic cells was found to interact with CD14 present on plasma membrane of phagocytes leading to their engulfment. This is the first study demonstrating the novel interaction between multifunctional GAPDH and the phagocytic receptor CD14 resulting in apoptotic cell clearance (efferocytosis).
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Affiliation(s)
- Surbhi Chaudhary
- Institute of Microbial Technology, CSIR, Sector 39A, Chandigarh, 160036, India
| | - Anil Patidar
- Institute of Microbial Technology, CSIR, Sector 39A, Chandigarh, 160036, India
| | - Asmita Dhiman
- Institute of Microbial Technology, CSIR, Sector 39A, Chandigarh, 160036, India
| | | | - Rahul Dilawari
- Institute of Microbial Technology, CSIR, Sector 39A, Chandigarh, 160036, India
| | - Sharmila Talukdar
- Institute of Microbial Technology, CSIR, Sector 39A, Chandigarh, 160036, India
| | - Radheshyam Modanwal
- Institute of Microbial Technology, CSIR, Sector 39A, Chandigarh, 160036, India
| | - Manoj Raje
- Institute of Microbial Technology, CSIR, Sector 39A, Chandigarh, 160036, India.
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9
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Chaudhary S, Dhiman A, Dilawari R, Chaubey GK, Talukdar S, Modanwal R, Patidar A, Malhotra H, Raje CI, Raje M. Glyceraldehyde-3-Phosphate Dehydrogenase Facilitates Macroautophagic Degradation of Mutant Huntingtin Protein Aggregates. Mol Neurobiol 2021; 58:5790-5798. [PMID: 34406601 DOI: 10.1007/s12035-021-02532-5] [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: 04/01/2021] [Accepted: 08/11/2021] [Indexed: 11/29/2022]
Abstract
Protein aggregate accumulation is a pathological hallmark of several neurodegenerative disorders. Autophagy is critical for clearance of aggregate-prone proteins. In this study, we identify a novel role of the multifunctional glycolytic enzyme glyceraldehyde-3-phosphate dehydrogenase (GAPDH) in clearance of intracellular protein aggregates. Previously, it has been reported that though clearance of wild-type huntingtin protein is mediated by chaperone-mediated autophagy (CMA), however, degradation of mutant huntingtin (mHtt with numerous poly Q repeats) remains impaired by this route as mutant Htt binds with high affinity to Hsc70 and LAMP-2A. This delays delivery of misfolded protein to lysosomes and results in accumulation of intracellular aggregates which are degraded only by macroautophagy. Earlier investigations also suggest that mHtt causes inactivation of mTOR signaling, causing upregulation of autophagy. GAPDH had earlier been reported to interact with mHtt resulting in cellular toxicity. Utilizing a cell culture model of mHtt aggregates coupled with modulation of GAPDH expression, we analyzed the formation of intracellular aggregates and correlated this with autophagy induction. We observed that GAPDH knockdown cells transfected with N-terminal mutant huntingtin (103 poly Q residues) aggregate-prone protein exhibit diminished autophagy. GAPDH was found to regulate autophagy via the mTOR pathway. Significantly more and larger-sized huntingtin protein aggregates were observed in GAPDH knockdown cells compared to empty vector-transfected control cells. This correlated with the observed decrease in autophagy. Overexpression of GAPDH had a protective effect on cells resulting in a decreased load of aggregates. Our results demonstrate that GAPDH assists in the clearance of protein aggregates by autophagy induction. These findings provide a new insight in understanding the mechanism of mutant huntingtin aggregate clearance. By studying the molecular mechanism of protein aggregate clearance via GAPDH, we hope to provide a new approach in targeting and understanding several neurodegenerative disorders.
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Affiliation(s)
- Surbhi Chaudhary
- Institute of Microbial Technology, CSIR, Sector 39A, Chandigarh, India, 160036
| | - Asmita Dhiman
- Institute of Microbial Technology, CSIR, Sector 39A, Chandigarh, India, 160036
| | - Rahul Dilawari
- Institute of Microbial Technology, CSIR, Sector 39A, Chandigarh, India, 160036
| | | | - Sharmila Talukdar
- Institute of Microbial Technology, CSIR, Sector 39A, Chandigarh, India, 160036
| | - Radheshyam Modanwal
- Institute of Microbial Technology, CSIR, Sector 39A, Chandigarh, India, 160036
| | - Anil Patidar
- Institute of Microbial Technology, CSIR, Sector 39A, Chandigarh, India, 160036
| | - Himanshu Malhotra
- Institute of Microbial Technology, CSIR, Sector 39A, Chandigarh, India, 160036
| | - Chaaya Iyengar Raje
- National Institute of Pharmaceutical Education & Research, Phase X, Sector 67, SAS Nagar, Punjab, India, 160062
| | - Manoj Raje
- Institute of Microbial Technology, CSIR, Sector 39A, Chandigarh, India, 160036.
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Pathogen Moonlighting Proteins: From Ancestral Key Metabolic Enzymes to Virulence Factors. Microorganisms 2021; 9:microorganisms9061300. [PMID: 34203698 PMCID: PMC8232316 DOI: 10.3390/microorganisms9061300] [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: 04/29/2021] [Revised: 06/02/2021] [Accepted: 06/09/2021] [Indexed: 12/22/2022] Open
Abstract
Moonlighting and multitasking proteins refer to proteins with two or more functions performed by a single polypeptide chain. An amazing example of the Gain of Function (GoF) phenomenon of these proteins is that 25% of the moonlighting functions of our Multitasking Proteins Database (MultitaskProtDB-II) are related to pathogen virulence activity. Moreover, they usually have a canonical function belonging to highly conserved ancestral key functions, and their moonlighting functions are often involved in inducing extracellular matrix (ECM) protein remodeling. There are three main questions in the context of moonlighting proteins in pathogen virulence: (A) Why are a high percentage of pathogen moonlighting proteins involved in virulence? (B) Why do most of the canonical functions of these moonlighting proteins belong to primary metabolism? Moreover, why are they common in many pathogen species? (C) How are these different protein sequences and structures able to bind the same set of host ECM protein targets, mainly plasminogen (PLG), and colonize host tissues? By means of an extensive bioinformatics analysis, we suggest answers and approaches to these questions. There are three main ideas derived from the work: first, moonlighting proteins are not good candidates for vaccines. Second, several motifs that might be important in the adhesion to the ECM were identified. Third, an overrepresentation of GO codes related with virulence in moonlighting proteins were seen.
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Wang J, Li Y, Pan L, Li J, Yu Y, Liu B, Zubair M, Wei Y, Pillay B, Olaniran AO, Chiliza TE, Shao G, Feng Z, Xiong Q. Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) moonlights as an adhesin in Mycoplasma hyorhinis adhesion to epithelial cells as well as a plasminogen receptor mediating extracellular matrix degradation. Vet Res 2021; 52:80. [PMID: 34082810 PMCID: PMC8173509 DOI: 10.1186/s13567-021-00952-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 05/11/2021] [Indexed: 11/29/2022] Open
Abstract
Mycoplasma hyorhinis infects pigs causing polyserositis and polyarthritis, and has also been reported in a variety of human tumor tissues. The occurrence of disease is often linked with the systemic invasion of the pathogen. Glyceraldehyde-3-Phosphate Dehydrogenase (GAPDH), one of the key enzymes of glycolysis, was reported as a surface multifunctional molecule in several bacteria. Here, we investigated whether GAPDH could manifest binary functions; as an adhesin to promote colonization as well as a plasminogen receptor functioning in extracellular matrix (ECM) degradation to promote systemic invasion. The surface localization of GAPDH was observed in M. hyorhinis with flow cytometry and colony blot analysis. Recombinant GAPDH (rGAPDH) was found to be able to bind porcine-derived PK-15 and human-derived NCI-H292 cells. The incubation with anti-GAPDH antibody significantly decreased the adherence of M. hyorhinis to both cell lines. To investigate its function in recruiting plasminogen, firstly, the interaction between rGAPDH and plasminogen was demonstrated by ELISA and Far-Western blot assay. The activation of the rGAPDH-bound plasminogen into plasmin was proved by using a chromogenic substrate, and furtherly confirmed to degrade extracellular matrix by using a reconstituted ECM. Finally, the ability of rGAPDH to bind different ECM components was demonstrated, including fibronectin, laminin, collagen type IV and vitronectin. Collectively, our data imply GAPDH as an important adhesion factor of M. hyrohinis and a receptor for hijacking host plasminogen to degrade ECM. The multifunction of GAPDH to bind both plasminogen and ECM components is believed to increase the targeting of proteolysis and facilitate the dissemination of M. hyorhinis.
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Affiliation(s)
- Jia Wang
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Jiangsu Academy of Agricultural Sciences, Nanjing, China.,College of Agriculture, Engineering & Science, University of KwaZulu-Natal, Durban, South Africa
| | - Yao Li
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Jiangsu Academy of Agricultural Sciences, Nanjing, China.,School of Life Sciences, Jiangsu University, Zhenjiang, China
| | - Longji Pan
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Jun Li
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Yanfei Yu
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Jiangsu Academy of Agricultural Sciences, Nanjing, China.,College of Veterinary Medicine, Hunan Agricultural University, Changsha, China.,School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Beibei Liu
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Muhammad Zubair
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Yanna Wei
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Bala Pillay
- College of Agriculture, Engineering & Science, University of KwaZulu-Natal, Durban, South Africa
| | | | - Thamsanqa E Chiliza
- College of Agriculture, Engineering & Science, University of KwaZulu-Natal, Durban, South Africa
| | - Guoqing Shao
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Jiangsu Academy of Agricultural Sciences, Nanjing, China.,College of Agriculture, Engineering & Science, University of KwaZulu-Natal, Durban, South Africa.,School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Zhixin Feng
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Qiyan Xiong
- Institute of Veterinary Medicine, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Jiangsu Academy of Agricultural Sciences, Nanjing, China. .,College of Agriculture, Engineering & Science, University of KwaZulu-Natal, Durban, South Africa. .,School of Life Sciences, Jiangsu University, Zhenjiang, China.
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12
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Selinski J, Scheibe R. Central Metabolism in Mammals and Plants as a Hub for Controlling Cell Fate. Antioxid Redox Signal 2021; 34:1025-1047. [PMID: 32620064 PMCID: PMC8060724 DOI: 10.1089/ars.2020.8121] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 06/15/2020] [Accepted: 06/23/2020] [Indexed: 02/06/2023]
Abstract
Significance: The importance of oxidoreductases in energy metabolism together with the occurrence of enzymes of central metabolism in the nucleus gave rise to the active research field aiming to understand moonlighting enzymes that undergo post-translational modifications (PTMs) before carrying out new tasks. Recent Advances: Cytosolic enzymes were shown to induce gene transcription after PTM and concomitant translocation to the nucleus. Changed properties of the oxidized forms of cytosolic glyceraldehyde 3-phosphate dehydrogenase, and also malate dehydrogenases and others, are the basis for a hypothesis suggesting moonlighting functions that directly link energy metabolism to adaptive responses required for maintenance of redox-homeostasis in all eukaryotes. Critical Issues: Small molecules, such as metabolic intermediates, coenzymes, or reduced glutathione, were shown to fine-tune the redox switches, interlinking redox state, metabolism, and induction of new functions via nuclear gene expression. The cytosol with its metabolic enzymes connecting energy fluxes between the various cell compartments can be seen as a hub for redox signaling, integrating the different signals for graded and directed responses in stressful situations. Future Directions: Enzymes of central metabolism were shown to interact with p53 or the assumed plant homologue suppressor of gamma response 1 (SOG1), an NAM, ATAF, and CUC transcription factor involved in the stress response upon ultraviolet exposure. Metabolic enzymes serve as sensors for imbalances, their inhibition leading to changed energy metabolism, and the adoption of transcriptional coactivator activities. Depending on the intensity of the impact, rerouting of energy metabolism, proliferation, DNA repair, cell cycle arrest, immune responses, or cell death will be induced. Antioxid. Redox Signal. 34, 1025-1047.
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Affiliation(s)
- Jennifer Selinski
- Department of Biochemistry and Physiology of Plants, Faculty of Biology, Bielefeld University, Bielefeld, Germany
| | - Renate Scheibe
- Department of Plant Physiology, Faculty of Biology/Chemistry, Osnabrueck University, Osnabrueck, Germany
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13
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Abstract
In yeast, many proteins are found in both the cytoplasmic and extracellular compartments, and consequently it can be difficult to distinguish nonconventional secretion from cellular leakage. Therefore, we monitored the extracellular glyceraldehyde-3-phosphate dehydrogenase (GAPDH) activity of intact cells as a specific marker for nonconventional secretion. Extracellular GAPDH activity was proportional to the number of cells assayed, increased with incubation time, and was dependent on added substrates. Preincubation of intact cells with 100 μM dithiothreitol increased the reaction rate, consistent with increased access of the enzyme after reduction of cell wall disulfide cross-links. Such treatment did not increase cell permeability to propidium iodide, in contrast to effects of higher concentrations of reducing agents. An amine-specific membrane-impermeant biotinylation reagent specifically inactivated extracellular GAPDH. The enzyme was secreted again after a 30- to 60-min lag following the inactivation, and there was no concomitant increase in propidium iodide staining. There were about 4 × 104 active GAPDH molecules per cell at steady state, and secretion studies showed replenishment to that level 1 h after inactivation. These results establish conditions for specific quantitative assays of cell wall proteins in the absence of cytoplasmic leakage and for subsequent quantification of secretion rates in intact cells.IMPORTANCE Eukaryotic cells secrete many proteins, including many proteins that do not follow the classical secretion pathway. Among these, the glycolytic enzyme glyceraldehyde-3-phosphate dehydrogenase (GAPDH) is unexpectedly found in the walls of yeasts and other fungi and in extracellular space in mammalian cell cultures. It is difficult to quantify extracellular GAPDH, because leakage of just a little of the very large amount of cytoplasmic enzyme can invalidate the determinations. We used enzymatic assays of intact cells while also maintaining membrane integrity. The results lead to estimates of the amount of extracellular enzyme and its rate of secretion to the wall in intact cells. Therefore, enzyme assays under controlled conditions can be used to investigate nonconventional secretion more generally.
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14
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Schormann N, Campos J, Motamed R, Hayden KL, Gould JR, Green TJ, Senkovich O, Banerjee S, Ulett GC, Chattopadhyay D. Chlamydia trachomatis glyceraldehyde 3-phosphate dehydrogenase: Enzyme kinetics, high-resolution crystal structure, and plasminogen binding. Protein Sci 2020; 29:2446-2458. [PMID: 33058314 DOI: 10.1002/pro.3975] [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: 08/25/2020] [Revised: 10/07/2020] [Accepted: 10/09/2020] [Indexed: 12/27/2022]
Abstract
Glyceraldehyde 3-phosphate dehydrogenase (GAPDH) is an evolutionarily conserved essential enzyme in the glycolytic pathway. GAPDH is also involved in a wide spectrum of non-catalytic cellular 'moonlighting' functions. Bacterial surface-associated GAPDHs engage in many host interactions that aid in colonization, pathogenesis, and virulence. We have structurally and functionally characterized the recombinant GAPDH of the obligate intracellular bacteria Chlamydia trachomatis, the leading cause of sexually transmitted bacterial and ocular infections. Contrary to earlier speculations, recent data confirm the presence of glucose-catabolizing enzymes including GAPDH in both stages of the biphasic life cycle of the bacterium. The high-resolution crystal structure described here provides a close-up view of the enzyme's active site and surface topology and reveals two chemically modified cysteine residues. Moreover, we show for the first time that purified C. trachomatis GAPDH binds to human plasminogen and plasmin. Based on the versatility of GAPDH's functions, data presented here emphasize the need for investigating the Chlamydiae GAPDH's involvement in biological functions beyond energy metabolism.
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Affiliation(s)
- Norbert Schormann
- Department of Biochemistry, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Juan Campos
- Department of Chemistry and Physics, Birmingham-Southern College, Birmingham, Alabama, USA
| | - Rachael Motamed
- Department of Chemistry and Physics, Birmingham-Southern College, Birmingham, Alabama, USA
| | - Katherine L Hayden
- Department of Chemistry and Physics, Birmingham-Southern College, Birmingham, Alabama, USA
| | - Joseph R Gould
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Todd J Green
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Olga Senkovich
- Department of Biochemistry and Molecular Genetics, Midwestern University, Glendale, Arizona, USA
| | - Surajit Banerjee
- Northeastern Collaborative Access Team and Department of Chemistry and Chemical Biology, Cornell University, Argonne, Illinois, USA
| | - Glen C Ulett
- School of Medical Sciences, and Menzies Health Institute Queensland, Griffith University, Parklands, Australia
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15
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Lia A, Dowle A, Taylor C, Santino A, Roversi P. Partial catalytic Cys oxidation of human GAPDH to Cys-sulfonic acid. Wellcome Open Res 2020; 5:114. [PMID: 32802964 PMCID: PMC7422855 DOI: 10.12688/wellcomeopenres.15893.2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/17/2020] [Indexed: 01/06/2023] Open
Abstract
Background: n-Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) catalyses the NAD
+-dependent oxidative phosphorylation of n-glyceraldehyde-3-phosphate to 1,3-diphospho-n-glycerate and its reverse reaction in glycolysis and gluconeogenesis. Methods: Four distinct crystal structures of human n-Glyceraldehyde-3-phosphate dehydrogenase (
HsGAPDH) have been determined from protein purified from the supernatant of HEK293F human epithelial kidney cells. Results: X-ray crystallography and mass-spectrometry indicate that the catalytic cysteine of the protein (
HsGAPDH Cys152) is partially oxidised to cysteine S-sulfonic acid. The average occupancy for the Cys152-S-sulfonic acid modification over the 20 crystallographically independent copies of
HsGAPDH across three of the crystal forms obtained is 0.31±0.17. Conclusions: The modification induces no significant structural changes on the tetrameric enzyme, and only makes aspecific contacts to surface residues in the active site, in keeping with the hypothesis that the oxidising conditions of the secreted mammalian cell expression system result in
HsGAPDH catalytic cysteine S-sulfonic acid modification and irreversible inactivation of the enzyme.
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Affiliation(s)
- Andrea Lia
- Leicester Institute of Chemical and Structural Biology and Department of Molecular and Cell Biology, University of Leicester, Henry Wellcome Building, Lancaster Road, LE1 7HB, UK.,Institute of Sciences of Food Production, C.N.R. Unit of Lecce, ia Monteroni, Lecce, 73100, Italy
| | - Adam Dowle
- Bioscience Technology Facility Department of Biology, University of York, Wentworth Way, York, YO10 5DD, UK
| | - Chris Taylor
- Bioscience Technology Facility Department of Biology, University of York, Wentworth Way, York, YO10 5DD, UK
| | - Angelo Santino
- Institute of Sciences of Food Production, C.N.R. Unit of Lecce, ia Monteroni, Lecce, 73100, Italy
| | - Pietro Roversi
- Leicester Institute of Chemical and Structural Biology and Department of Molecular and Cell Biology, University of Leicester, Henry Wellcome Building, Lancaster Road, LE1 7HB, UK
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16
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Firinu D, Arba M, Vincenzoni F, Iavarone F, Costanzo G, Cabras T, Castagnola M, Messana I, Del Giacco SR, Sanna MT. Proteomic Analysis of the Acid-Insoluble Fraction of Whole Saliva from Patients Affected by Different Forms of Non-histaminergic Angioedema. J Clin Immunol 2020; 40:840-850. [PMID: 32519288 DOI: 10.1007/s10875-020-00802-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Accepted: 06/01/2020] [Indexed: 01/17/2023]
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17
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Lia A, Dowle A, Taylor C, Santino A, Roversi P. Partial catalytic Cys oxidation of human GAPDH. Wellcome Open Res 2020; 5:114. [DOI: 10.12688/wellcomeopenres.15893.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/21/2020] [Indexed: 11/20/2022] Open
Abstract
Background: n-Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) catalyses the reversible NAD+-dependent oxidative phosphorylation of n-glyceraldehyde-3-phosphate to 1,3-diphospho-n-glycerate in both glycolysis and gluconeogenesis.Methods: Four distinct crystal structures of human n-Glyceraldehyde-3-phosphate dehydrogenase (HsGAPDH) have been determined from protein purified from the supernatant of HEK293F human epithelial kidney cells.Results: X-ray crystallography and mass-spectrometry indicate that the catalytic cysteine of the protein (HsGAPDH Cys152) is partially oxidised to cysteine S-sulfonic acid. The average occupancy for the Cys152-S-sulfonic acid modification over the 20 crystallographically independent copies ofHsGAPDH across three of the crystal forms obtained is 0.31±0.17.Conclusions: The modification induces no significant structural changes on the tetrameric enzyme, and only makes aspecific contacts to surface residues in the active site, in keeping with the hypothesis that the oxidising conditions of the secreted mammalian cell expression system result inHsGAPDH catalytic cysteine S-sulfonic acid modification and irreversible inactivation of the enzyme.
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18
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Catala A, Youssef LA, Reisz JA, Dzieciatkowska M, Powers NE, Marchetti C, Karafin M, Zimring JC, Hudson KE, Hansen KC, Spitalnik SL, D'Alessandro A. Metabolic Reprogramming of Mouse Bone Marrow Derived Macrophages Following Erythrophagocytosis. Front Physiol 2020; 11:396. [PMID: 32425810 PMCID: PMC7204509 DOI: 10.3389/fphys.2020.00396] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 04/02/2020] [Indexed: 01/24/2023] Open
Abstract
Reticuloendothelial macrophages engulf ∼0.2 trillion senescent erythrocytes daily in a process called erythrophagocytosis (EP). This critical mechanism preserves systemic heme-iron homeostasis by regulating red blood cell (RBC) catabolism and iron recycling. Although extensive work has demonstrated the various effects on macrophage metabolic reprogramming by stimulation with proinflammatory cytokines, little is known about the impact of EP on the macrophage metabolome and proteome. Thus, we performed mass spectrometry-based metabolomics and proteomics analyses of mouse bone marrow-derived macrophages (BMDMs) before and after EP of IgG-coated RBCs. Further, metabolomics was performed on BMDMs incubated with free IgG to ensure that changes to macrophage metabolism were due to opsonized RBCs and not to free IgG binding. Uniformly labeled tracing experiments were conducted on BMDMs in the presence and absence of IgG-coated RBCs to assess the flux of glucose through the pentose phosphate pathway (PPP). In this study, we demonstrate that EP significantly alters amino acid and fatty acid metabolism, the Krebs cycle, OXPHOS, and arachidonate-linoleate metabolism. Increases in levels of amino acids, lipids and oxylipins, heme products, and RBC-derived proteins are noted in BMDMs following EP. Tracing experiments with U-13C6 glucose indicated a slower flux through glycolysis and enhanced PPP activation. Notably, we show that it is fueled by glucose derived from the macrophages themselves or from the extracellular media prior to EP, but not from opsonized RBCs. The PPP-derived NADPH can then fuel the oxidative burst, leading to the generation of reactive oxygen species necessary to promote digestion of phagocytosed RBC proteins via radical attack. Results were confirmed by redox proteomics experiments, demonstrating the oxidation of Cys152 and Cys94 of glyceraldehyde 3-phosphate dehydrogenase (GAPDH) and hemoglobin-β, respectively. Significant increases in early Krebs cycle and C5-branched dibasic acid metabolites (α-ketoglutarate and 2-hydroxyglutarate, respectively) indicate that EP promotes the dysregulation of mitochondrial metabolism. Lastly, EP stimulated aminolevulinic acid (ALA) synthase and arginase activity as indicated by significant accumulations of ALA and ornithine after IgG-mediated RBC ingestion. Importantly, EP-mediated metabolic reprogramming of BMDMs does not occur following exposure to IgG alone. In conclusion, we show that EP reprograms macrophage metabolism and modifies macrophage polarization.
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Affiliation(s)
- Alexis Catala
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States.,Program in Structural Biology and Biochemistry, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
| | - Lyla A Youssef
- Department of Microbiology and Immunology, Columbia University, New York, NY, United States
| | - Julie A Reisz
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
| | - Monika Dzieciatkowska
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
| | - Nicholas E Powers
- Department of Medicine - Division of Infectious Diseases, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
| | - Carlo Marchetti
- Department of Medicine - Division of Infectious Diseases, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
| | - Matthew Karafin
- Medical Sciences Institute, Blood Center of Wisconsin (Versiti), Milwaukee, WI, United States
| | - James C Zimring
- Department of Pathology, University of Virginia, Charlottesville, VA, United States
| | - Krystalyn E Hudson
- Department of Pathology and Cell Biology, Columbia University, New York, NY, United States
| | - Kirk C Hansen
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
| | - Steven L Spitalnik
- Department of Pathology and Cell Biology, Columbia University, New York, NY, United States
| | - Angelo D'Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States.,Department of Medicine - Division of Hematology, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
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19
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Liu Y, Liang S, Ding R, Hou Y, Deng F, Ma X, Song T, Yan D. BCG-induced trained immunity in macrophage: reprograming of glucose metabolism. Int Rev Immunol 2020; 39:83-96. [DOI: 10.1080/08830185.2020.1712379] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Yuntong Liu
- Department of Immunology, College of Basic Medical Sciences, Jilin University, Changchun City, Jilin Province, China
| | - Shu Liang
- Department of Immunology, College of Basic Medical Sciences, Jilin University, Changchun City, Jilin Province, China
| | - Ru Ding
- Department of Immunology, College of Basic Medical Sciences, Jilin University, Changchun City, Jilin Province, China
| | - Yuyang Hou
- Department of Immunology, College of Basic Medical Sciences, Jilin University, Changchun City, Jilin Province, China
| | - Feier Deng
- Department of Immunology, College of Basic Medical Sciences, Jilin University, Changchun City, Jilin Province, China
| | - Xiaohui Ma
- Department of Immunology, College of Basic Medical Sciences, Jilin University, Changchun City, Jilin Province, China
| | - Tiantian Song
- Department of Immunology, College of Basic Medical Sciences, Jilin University, Changchun City, Jilin Province, China
| | - Dongmei Yan
- Department of Immunology, College of Basic Medical Sciences, Jilin University, Changchun City, Jilin Province, China
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20
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Pirovich D, Da'dara AA, Skelly PJ. Why Do Intravascular Schistosomes Coat Themselves in Glycolytic Enzymes? Bioessays 2019; 41:e1900103. [PMID: 31661165 DOI: 10.1002/bies.201900103] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 09/16/2019] [Indexed: 11/11/2022]
Abstract
Schistosomes are intravascular parasitic helminths (blood flukes) that infect more than 200 million people globally. Proteomic analysis of the tegument (skin) of these worms has revealed the surprising presence of glycolytic enzymes on the parasite's external surface. Immunolocalization data as well as enzyme activity displayed by live worms confirm that functional glycolytic enzymes are indeed expressed at the host-parasite interface. Since these enzymes are traditionally considered to function intracellularly to drive glycolysis, in an extracellular location they are hypothesized to engage in novel "moonlighting" functions such as immune modulation and blood clot dissolution that promote parasite survival. For instance, several glycolytic enzymes can interact with plasminogen and promote its activation to the thrombolytic plasmin; some can inhibit complement function; some induce B cell proliferation or macrophage apoptosis. Several pathogenic bacteria and protists also express glycolytic enzymes externally, suggesting that moonlighting functions of extracellular glycolytic enzymes can contribute broadly to pathogen virulence. Also see the video abstract here https://youtu.be/njtWZ2y3k_I.
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Affiliation(s)
- David Pirovich
- Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, 01536, USA
| | - Akram A Da'dara
- Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, 01536, USA
| | - Patrick J Skelly
- Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, 01536, USA
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21
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Gómez S, Querol-García J, Sánchez-Barrón G, Subias M, González-Alsina À, Franco-Hidalgo V, Albertí S, Rodríguez de Córdoba S, Fernández FJ, Vega MC. The Antimicrobials Anacardic Acid and Curcumin Are Not-Competitive Inhibitors of Gram-Positive Bacterial Pathogenic Glyceraldehyde-3-Phosphate Dehydrogenase by a Mechanism Unrelated to Human C5a Anaphylatoxin Binding. Front Microbiol 2019; 10:326. [PMID: 30863383 PMCID: PMC6400076 DOI: 10.3389/fmicb.2019.00326] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 02/07/2019] [Indexed: 12/12/2022] Open
Abstract
The ubiquitous and highly abundant glycolytic enzyme D-glyceraldehyde-3-phosphate dehydrogenase (GAPDH) is pivotal for the energy and carbon metabolism of most organisms, including human pathogenic bacteria. For bacteria that depend mostly on glycolysis for survival, GAPDH is an attractive target for inhibitor discovery. The availability of high-resolution structures of GAPDH from various pathogenic bacteria is central to the discovery of new antibacterial compounds. We have determined the X-ray crystal structures of two new GAPDH enzymes from Gram-positive bacterial pathogens, Streptococcus pyogenes and Clostridium perfringens. These two structures, and the recent structure of Atopobium vaginae GAPDH, reveal details in the active site that can be exploited for the design of novel inhibitors based on naturally occurring molecules. Two such molecules, anacardic acid and curcumin, have been found to counter bacterial infection in clinical settings, although the cellular targets responsible for their antimicrobial properties remain unknown. We show that both anacardic acid and curcumin inhibit GAPDH from two bacterial pathogens through uncompetitive and non-competitive mechanisms, suggesting GAPDH as a relevant pharmaceutical target for antibacterial development. Inhibition of GAPDH by anacardic acid and curcumin seems to be unrelated to the immune evasion function of pathogenic bacterial GAPDH, since neither natural compound interfere with binding to the human C5a anaphylatoxin.
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Affiliation(s)
- Sara Gómez
- Center for Biological Research, Spanish National Research Council, Madrid, Spain
| | - Javier Querol-García
- Center for Biological Research, Spanish National Research Council, Madrid, Spain
| | - Gara Sánchez-Barrón
- Center for Biological Research, Spanish National Research Council, Madrid, Spain
| | - Marta Subias
- Center for Biological Research, Spanish National Research Council, Madrid, Spain.,CIBER de Enfermedades Raras, Madrid, Spain
| | - Àlex González-Alsina
- Institut Universitari d'Investigació en Ciències de la Salut, University of the Balearic Islands, Mallorca, Spain
| | | | - Sebastián Albertí
- Institut Universitari d'Investigació en Ciències de la Salut, University of the Balearic Islands, Mallorca, Spain
| | - Santiago Rodríguez de Córdoba
- Center for Biological Research, Spanish National Research Council, Madrid, Spain.,CIBER de Enfermedades Raras, Madrid, Spain
| | | | - M Cristina Vega
- Center for Biological Research, Spanish National Research Council, Madrid, Spain
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22
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Chauhan AS, Kumar M, Chaudhary S, Dhiman A, Patidar A, Jakhar P, Jaswal P, Sharma K, Sheokand N, Malhotra H, Raje CI, Raje M. Trafficking of a multifunctional protein by endosomal microautophagy: linking two independent unconventional secretory pathways. FASEB J 2019; 33:5626-5640. [PMID: 30640524 DOI: 10.1096/fj.201802102r] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
During physiologic stresses, like micronutrient starvation, infection, and cancer, the cytosolic moonlighting protein glyceraldehyde-3-phosphate dehydrogenase (GAPDH) is trafficked to the plasma membrane (PM) and extracellular milieu (ECM). Our work demonstrates that GAPDH mobilized to the PM, and the ECM does not utilize the classic endoplasmic reticulum-Golgi route of secretion; instead, it is first selectively translocated into early and late endosomes from the cytosol via microautophagy. GAPDH recruited to this common entry point is subsequently delivered into multivesicular bodies, leading to its membrane trafficking through secretion via exosomes and secretory lysosomes. We present evidence that both pathways of GAPDH membrane trafficking are up-regulated upon iron starvation, potentially by mobilization of intracellular calcium. These pathways also play a role in clearance of misfolded intracellular polypeptide aggregates. Our findings suggest that cells build in redundancy for vital cellular pathways to maintain micronutrient homeostasis and prevent buildup of toxic intracellular misfolded protein refuse.-Chauhan, A. S., Kumar, M., Chaudhary, S., Dhiman, A., Patidar, A., Jakhar, P., Jaswal, P., Sharma, K., Sheokand, N., Malhotra, H., Raje, C. I., Raje. M. Trafficking of a multifunctional protein by endosomal microautophagy: linking two independent unconventional secretory pathways.
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Affiliation(s)
- Anoop Singh Chauhan
- Institute of Microbial Technology, Council of Scientific and Industrial Research (CSIR), Chandigarh, India
| | - Manoj Kumar
- Institute of Microbial Technology, Council of Scientific and Industrial Research (CSIR), Chandigarh, India
| | - Surbhi Chaudhary
- Institute of Microbial Technology, Council of Scientific and Industrial Research (CSIR), Chandigarh, India
| | - Asmita Dhiman
- Institute of Microbial Technology, Council of Scientific and Industrial Research (CSIR), Chandigarh, India
| | - Anil Patidar
- Institute of Microbial Technology, Council of Scientific and Industrial Research (CSIR), Chandigarh, India
| | - Priyanka Jakhar
- Institute of Microbial Technology, Council of Scientific and Industrial Research (CSIR), Chandigarh, India
| | - Pallavi Jaswal
- Institute of Microbial Technology, Council of Scientific and Industrial Research (CSIR), Chandigarh, India
| | - Kapil Sharma
- Institute of Microbial Technology, Council of Scientific and Industrial Research (CSIR), Chandigarh, India
| | - Navdeep Sheokand
- Institute of Microbial Technology, Council of Scientific and Industrial Research (CSIR), Chandigarh, India
| | - Himanshu Malhotra
- Institute of Microbial Technology, Council of Scientific and Industrial Research (CSIR), Chandigarh, India
| | | | - Manoj Raje
- Institute of Microbial Technology, Council of Scientific and Industrial Research (CSIR), Chandigarh, India
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23
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Abstract
Borrelia burgdorferi HtrA (HtrABb) is a serine protease that targets damaged or improperly folded proteins. In our previous studies, HtrABb specifically degraded basic membrane protein BmpD, chemotaxis phosphatase CheX, and outer membrane protein P66. In addition, HtrABb degrades virulence factor BB0323 and components of the extracellular matrix fibronectin and aggrecan. A proteomics-based analysis (two-dimensional difference gel electrophoresis [2-D DIGE], liquid chromatography-mass spectrometry [LC-MS]) of an HtrABb-overexpressing strain of B. burgdorferi (A3HtrAOE) revealed that protein levels of P66 were reduced in comparison to wild-type B. burgdorferi, confirming its status as an HtrABb substrate. Hbb, a P66-DNA-binding transcription factor, was specifically degraded by HtrABb, providing supportive evidence for a role for both in the regulation of P66. A3HtrAOE exhibited reduced motility in swarm assays, a possible link between overabundance of HtrABb and its enzymatic specificity for P66. However, the ΔP66 strain did not have reduced motility in the swarm assays, negating a role for this protein. The proteomics analyses also identified three enzymes of the glycolytic pathway, glyceraldehyde-3-phosphate dehydrogenase (GAPDH), glycerol-3-phosphate dehydrogenase (GPDH), and glycerol kinase (GK), and one enzyme involved in carbohydrate metabolism, diphosphate-fructose-6-phosphate 1-phosphotransferase, which were reduced in A3HtrAOE. Consistent with its reduced protein levels of these glycolytic enzymes, A3HtrAOE was also deficient in production of pyruvate. We propose a model for a role for HtrABb in contributing to a decrease in metabolic activity of B. burgdorferi. Being a vector-borne bacterium, B. burgdorferi must remodel its protein content as it transfers from tick to mammal. Proteolysis is a mechanism whereby remodeling can be accomplished. HtrABb degrades a number of proteins whose disappearance may help in preparing this organism for a stage of low metabolic activity.
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24
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Urano T, Castellino FJ, Suzuki Y. Regulation of plasminogen activation on cell surfaces and fibrin. J Thromb Haemost 2018; 16:S1538-7836(22)02204-8. [PMID: 29779246 PMCID: PMC6099326 DOI: 10.1111/jth.14157] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Indexed: 01/27/2023]
Abstract
The fibrinolytic system dissolves fibrin and maintains vascular patency. Recent advances in imaging analyses allowed visualization of the spatiotemporal regulatory mechanism of fibrinolysis, as well as its regulation by other plasma hemostasis cofactors. Vascular endothelial cells (VECs) retain tissue-type plasminogen activator (tPA) after secretion and maintain high plasminogen (plg) activation potential on their surfaces. As in plasma, the serpin, plasminogen activator inhibitor type 1 (PAI-1), regulates fibrinolytic potential via inhibition of the VEC surface-bound plg activator, tPA. Once fibrin is formed, plg activation by tPA is initiated and effectively amplified on the surface of fibrin, and fibrin is rapidly degraded. The specific binding of plg and tPA to lytic edges of partly degraded fibrin via newly generated C-terminal lysine residues, which amplifies fibrin digestion, is a central aspect of this pathophysiological mechanism. Thrombomodulin (TM) plays a role in the attenuation of plg binding on fibrin and the associated fibrinolysis, which is reversed by a carboxypeptidase B inhibitor. This suggests that the plasma procarboxypeptidase B, thrombin-activatable fibrinolysis inhibitor (TAFI), which is activated by thrombin bound to TM on VECs, is a critical aspect of the regulation of plg activation on VECs and subsequent fibrinolysis. Platelets also contain PAI-1, TAFI, TM, and the fibrin cross-linking enzyme, factor (F) XIIIa, and either secrete or expose these agents upon activation in order to regulate fibrinolysis. In this review, the native machinery of plg activation and fibrinolysis, as well as their spatiotemporal regulatory mechanisms, as revealed by imaging analyses, are discussed.
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Affiliation(s)
- T. Urano
- Department of Medical PhysiologyHamamatsu University School of MedicineHamamatsuJapan
| | - F. J. Castellino
- W.M. Keck Center for Transgene ResearchUniversity of Notre DameUniversity of Notre DameNotre DameINUSA
| | - Y. Suzuki
- Department of Medical PhysiologyHamamatsu University School of MedicineHamamatsuJapan
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25
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Zhang Y, Launay H, Liu F, Lebrun R, Gontero B. Interaction between adenylate kinase 3 and glyceraldehyde-3-phosphate dehydrogenase from Chlamydomonas reinhardtii. FEBS J 2018; 285:2495-2503. [PMID: 29727516 DOI: 10.1111/febs.14494] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 03/22/2018] [Accepted: 04/26/2018] [Indexed: 01/21/2023]
Abstract
The critical and ubiquitous enzyme adenylate kinase (ADK) catalyzes the nucleotide phosphoryl exchange reaction: 2ADP ↔ ATP + AMP. The ADK3 in the chloroplasts of the green alga Chlamydomonas reinhardtii, bears an unusual C-terminal extension that is similar to the C-terminal end of the intrinsically disordered protein CP12. In this study, we report that this enzyme, when oxidized but not when reduced, is able to interact with the chloroplast glyceraldehyde-3-phosphate dehydrogenase (GAPDH) forming a stable complex as shown by native electrophoresis and mass spectrometry. In this bienzyme complex, the activity of ADK3 is unchanged while the NADPH-dependent activity of GAPDH is significantly inhibited. Moreover ADK3, like CP12, can protect GAPDH against thermal inactivation and aggregation. The ADK3-GAPDH bienzyme complex is unable to recruit phosphoribulokinase (PRK), in contrast with the ternary complex formed between GAPDH-CP12 and PRK. The interaction between ADK3 and GAPDH might be a mechanism to regulate the crucial ATP: NADPH ratio within chloroplasts to optimize the Calvin-Benson cycle during rapid fluctuation in environmental resources. ENZYMES Adenylate kinase (EC 2.7.4.3), glyceraldehyde-3-phosphate dehydrogenase (GAPDH, EC 1.2.1.13), phosphoribulokinase (PRK, EC 2.7.1.19).
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Affiliation(s)
- Yizhi Zhang
- Aix Marseille Univ, CNRS, BIP, UMR 7281, Marseille, France
| | - Hélène Launay
- Aix Marseille Univ, CNRS, BIP, UMR 7281, Marseille, France
| | - Fan Liu
- Aix Marseille Univ, CNRS, BIP, UMR 7281, Marseille, France.,Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, China
| | - Régine Lebrun
- Plate-forme Protéomique, Marseille Protéomique (MaP), IMM, FR 3479, CNRS, Marseille, France
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26
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Matsunaga N, Shimizu H, Fujimoto K, Watanabe K, Yamasaki T, Hatano N, Tamai E, Katayama S, Hitsumoto Y. Expression of glyceraldehyde-3-phosphate dehydrogenase on the surface of Clostridium perfringens cells. Anaerobe 2018; 51:124-130. [PMID: 29753109 DOI: 10.1016/j.anaerobe.2018.05.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 05/01/2018] [Accepted: 05/07/2018] [Indexed: 10/16/2022]
Abstract
During research to identify fibronectin (Fn)-binding proteins (Fbps) on the surface of Clostridium perfringens cells, we identified glyceraldehyde-3-phosphate dehydrogenase (GAPDH) as a candidate Fbp. GAPDH is a glycolytic enzyme found in a wide range of prokaryotes and eukaryotes. The Fn-binding activity of recombinant C. perfringens GAPDH (rGAPDH) was investigated using both ligand blotting analysis and enzyme-linked immunosorbent assay (ELISA). rGAPDH strongly bound plasminogen but not laminin or gelatin. Although GAPDH has no signal sequence, it is expressed on the cell surface of many microorganisms. The presence of GAPDH on the surface of C. perfringens cells was analyzed using ELISA and flow cytometry analyses; purified rGAPDH bound to the surface of C. perfringens cells. As autolysin is reportedly involved in the binding of GAPDH to the cell surface, we evaluated the interaction between rGAPDH and the C. perfringens autolysin Acp by both ELISA and ligand blotting assay. These assays revealed that rGAPDH binds to the catalytic domain of Acp but not the cell wall binding domains. These results suggest that autolysin mediates expression of GAPDH on the surface of C. perfringens cells and indicate a possible moonlighting function for GAPDH in binding both Fn and plasminogen.
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Affiliation(s)
- Nozomu Matsunaga
- Department of Life Science, Faculty of Science, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama-shi, Okayama 700-0005, Japan
| | - Haruka Shimizu
- Department of Life Science, Faculty of Science, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama-shi, Okayama 700-0005, Japan
| | - Kanako Fujimoto
- Department of Life Science, Faculty of Science, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama-shi, Okayama 700-0005, Japan
| | - Kanako Watanabe
- Department of Life Science, Faculty of Science, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama-shi, Okayama 700-0005, Japan
| | - Tsutomu Yamasaki
- Pharmaceutical Department, Shujitsu University, 1-6-1 Nishigawara, Naka-ku, Okayaka-shi, Okayama 703-8516, Japan
| | - Naoya Hatano
- The Integrated Center for Mass Spectrometry, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe-shi, Hyogo 650-0017, Japan
| | - Eiji Tamai
- Department of Infectious Disease, College of Pharmaceutical Science, Matsuyama University, 4-2 Bunkyo-cho, Matsuyama-shi, Ehime 790-8578, Japan
| | - Seiichi Katayama
- Department of Life Science, Faculty of Science, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama-shi, Okayama 700-0005, Japan
| | - Yasuo Hitsumoto
- Department of Life Science, Faculty of Science, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama-shi, Okayama 700-0005, Japan.
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Wojtukiewicz MZ, Hempel D, Sierko E, Tucker SC, Honn KV. Antiplatelet agents for cancer treatment: a real perspective or just an echo from the past? Cancer Metastasis Rev 2018; 36:305-329. [PMID: 28752248 PMCID: PMC5557869 DOI: 10.1007/s10555-017-9683-z] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The association between coagulation and cancer development has been observed for centuries. However, the connection between inflammation and malignancy is also well-recognized. The plethora of evidence indicates that among multiple hemostasis components, platelets play major roles in cancer progression by providing surface and granular contents for several interactions as well as behaving like immune cells. Therefore, the anticancer potential of anti-platelet therapy has been intensively investigated for many years. Anti-platelet agents may prevent cancer, decrease tumor growth, and metastatic potential, as well as improve survival of cancer patients. On the other hand, there are suggestions that antiplatelet treatment may promote solid tumor development in a phenomenon described as "cancers follow bleeding." The controversies around antiplatelet agents justify insight into the subject to establish what, if any, role platelet-directed therapy has in the continuum of anticancer management.
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Affiliation(s)
- Marek Z Wojtukiewicz
- Department of Oncology, Medical University of Bialystok, 12 Ogrodowa St., 15-025, Bialystok, Poland.
| | - Dominika Hempel
- Department of Radiotherapy, Comprehensive Cancer Center in Bialystok, Bialystok, Poland
| | - Ewa Sierko
- Department of Clinical Oncology, Comprehensive Cancer Center in Bialystok, Bialystok, Poland
| | - Stephanie C Tucker
- Department of Pathology-School of Medicine, Bioactive Lipids Research Program, Detroit, MI, 48202, USA
| | - Kenneth V Honn
- Department of Pathology-School of Medicine, Bioactive Lipids Research Program, Detroit, MI, 48202, USA.,Departments of Chemistry, Wayne State University, Detroit, MI, 48202, USA.,Department of Oncology, Karmanos Cancer Institute, Detroit, MI, 48202, USA
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28
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Shakespear MR, Iyer A, Cheng CY, Das Gupta K, Singhal A, Fairlie DP, Sweet MJ. Lysine Deacetylases and Regulated Glycolysis in Macrophages. Trends Immunol 2018; 39:473-488. [PMID: 29567326 DOI: 10.1016/j.it.2018.02.009] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 02/20/2018] [Accepted: 02/21/2018] [Indexed: 12/27/2022]
Abstract
Regulated cellular metabolism has emerged as a fundamental process controlling macrophage functions, but there is still much to uncover about the precise signaling mechanisms involved. Lysine acetylation regulates the activity, stability, and/or localization of metabolic enzymes, as well as inflammatory responses, in macrophages. Two protein families, the classical zinc-dependent histone deacetylases (HDACs) and the NAD-dependent HDACs (sirtuins, SIRTs), mediate lysine deacetylation. We describe here mechanisms by which classical HDACs and SIRTs directly regulate specific glycolytic enzymes, as well as evidence that links these protein deacetylases to the regulation of glycolysis-related genes. In these contexts, we discuss HDACs and SIRTs as key control points for regulating immunometabolism and inflammatory outputs from macrophages.
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Affiliation(s)
- Melanie R Shakespear
- Institute for Molecular Bioscience (IMB), IMB Centre for Inflammation and Disease Research, and Australian Infectious Diseases Research Centre, University of Queensland, Brisbane, QLD 4072, Australia
| | - Abishek Iyer
- Institute for Molecular Bioscience (IMB), IMB Centre for Inflammation and Disease Research, and Australian Infectious Diseases Research Centre, University of Queensland, Brisbane, QLD 4072, Australia; Australian Research Council (ARC) Centre of Excellence in Advanced Molecular Imaging, Institute for Molecular Bioscience, University of Queensland, Brisbane, QLD 4072, Australia
| | - Catherine Youting Cheng
- Singapore Immunology Network (SIgN), Agency for Science, Technology, and Research (A*STAR), Singapore
| | - Kaustav Das Gupta
- Institute for Molecular Bioscience (IMB), IMB Centre for Inflammation and Disease Research, and Australian Infectious Diseases Research Centre, University of Queensland, Brisbane, QLD 4072, Australia
| | - Amit Singhal
- Singapore Immunology Network (SIgN), Agency for Science, Technology, and Research (A*STAR), Singapore; Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore; Vaccine and Infectious Disease Research Centre (VIDRC), Translational Health Science and Technology Institute (THSTI), National Capital Region (NCR) Biotech Science Cluster, Faridabad 121001, Haryana, India
| | - David P Fairlie
- Institute for Molecular Bioscience (IMB), IMB Centre for Inflammation and Disease Research, and Australian Infectious Diseases Research Centre, University of Queensland, Brisbane, QLD 4072, Australia; Australian Research Council (ARC) Centre of Excellence in Advanced Molecular Imaging, Institute for Molecular Bioscience, University of Queensland, Brisbane, QLD 4072, Australia
| | - Matthew J Sweet
- Institute for Molecular Bioscience (IMB), IMB Centre for Inflammation and Disease Research, and Australian Infectious Diseases Research Centre, University of Queensland, Brisbane, QLD 4072, Australia.
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29
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Seki SM, Gaultier A. Exploring Non-Metabolic Functions of Glycolytic Enzymes in Immunity. Front Immunol 2017; 8:1549. [PMID: 29213268 PMCID: PMC5702622 DOI: 10.3389/fimmu.2017.01549] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 10/30/2017] [Indexed: 01/09/2023] Open
Abstract
At the beginning of the twentieth century, discoveries in cancer research began to elucidate the idiosyncratic metabolic proclivities of tumor cells (1). Investigators postulated that revealing the distinct nutritional requirements of cells with unchecked growth potential would reveal targetable metabolic vulnerabilities by which their survival could be selectively curtailed. Soon thereafter, researchers in the field of immunology began drawing parallels between the metabolic characteristics of highly proliferative cancer cells and those of immune cells that respond to perceived threats to host physiology by invading tissues, clonally expanding, and generating vast amounts of pro-inflammatory effector molecules to provide the host with protection. Throughout the past decade, increasing effort has gone into elucidating the biosynthetic and bioenergetic requirements of immune cells during inflammatory responses. It is now well established that, like tumor cells, immune cells must undergo metabolic adaptations to fulfill their effector functions (2, 3). Unraveling the metabolic adaptations that license inflammatory immune responses may lead to the development of novel classes of therapeutics for pathologies with prominent inflammatory components (e.g., autoimmunity). However, the translational potential of discoveries made toward this end is currently limited by the ubiquitous nature of the "pathologic" process being targeted: metabolism. Recent works have started to unravel unexpected non-metabolic functions for metabolic enzymes in the context of inflammation, including signaling and gene regulation. One way information gained through the study of immunometabolism may be leveraged for therapeutic benefit is by exploiting these non-canonical features of metabolic machinery, modulating their contribution to the immune response without impacting their basal metabolic functions. The focus of this review is to discuss the metabolically independent functions of glycolytic enzymes and how these could impact T cells, agents of the immune system that are commonly considered as orchestrators of auto-inflammatory processes.
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Affiliation(s)
- Scott M Seki
- Center for Brain Immunology and Glia, Department of Neuroscience, Charlottesville, VA, United States.,Graduate Program in Neuroscience, Charlottesville, VA, United States.,Medical Scientist Training Program, Charlottesville, VA, United States
| | - Alban Gaultier
- Center for Brain Immunology and Glia, Department of Neuroscience, Charlottesville, VA, United States
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30
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Lessons learned from protein aggregation: toward technological and biomedical applications. Biophys Rev 2017; 9:501-515. [PMID: 28905328 DOI: 10.1007/s12551-017-0317-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2017] [Accepted: 08/08/2017] [Indexed: 12/21/2022] Open
Abstract
The close relationship between protein aggregation and neurodegenerative diseases has been the driving force behind the renewed interest in a field where biophysics, neurobiology and nanotechnology converge in the study of the aggregate state. On one hand, knowledge of the molecular principles that govern the processes of protein aggregation has a direct impact on the design of new drugs for high-incidence pathologies that currently can only be treated palliatively. On the other hand, exploiting the benefits of protein aggregation in the design of new nanomaterials could have a strong impact on biotechnology. Here we review the contributions of our research group on novel neuroprotective strategies developed using a purely biophysical approach. First, we examine how doxycycline, a well-known and innocuous antibiotic, can reshape α-synuclein oligomers into non-toxic high-molecular-weight species with decreased ability to destabilize biological membranes, affect cell viability and form additional toxic species. This mechanism can be exploited to diminish the toxicity of α-synuclein oligomers in Parkinson's disease. Second, we discuss a novel function in proteostasis for extracellular glyceraldehyde 3-phosphate dehydrogenase (GAPDH) in combination with a specific glycosaminoglycan (GAG) present in the extracellular matrix. GAPDH, by changing its quaternary structure from a tetramer to protofibrillar assembly, can kidnap toxic species of α-synuclein, and thereby interfere with the spreading of the disease. Finally, we review a brighter side of protein aggregation, that of exploiting the physicochemical advantages of amyloid aggregates as nanomaterials. For this, we designed a new generation of insoluble biocatalysts based on the binding of photo-immobilized enzymes onto hybrid protein:GAG amyloid nanofibrils. These new nanomaterials can be easily functionalized by attaching different enzymes through dityrosine covalent bonds.
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