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Bode K, MacDonald T, Stewart T, Mendez B, Cai EP, Morrow N, Lee YC, Yi P, Kissler S. Protective Renalase Deficiency in β-Cells Shapes Immune Metabolism and Function in Autoimmune Diabetes. Diabetes 2023; 72:1127-1143. [PMID: 37216639 PMCID: PMC10382656 DOI: 10.2337/db23-0030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 04/30/2023] [Indexed: 05/24/2023]
Abstract
Type 1 diabetes (T1D) is caused by the immune-mediated loss of pancreatic β-cells that produce insulin. The latest advances in stem cell (SC) β-cell differentiation methods have made a cell replacement therapy for T1D feasible. However, recurring autoimmunity would rapidly destroy transplanted SC β-cells. A promising strategy to overcome immune rejection is to genetically engineer SC β-cells. We previously identified Renalase (Rnls) as a novel target for β-cell protection. Here we show that Rnls deletion endows β-cells with the capacity to modulate the metabolism and function of immune cells within the local graft microenvironment. We used flow cytometry and single-cell RNA sequencing to characterize β-cell graft-infiltrating immune cells in a mouse model for T1D. Loss of Rnls within transplanted β-cells affected both the composition and the transcriptional profile of infiltrating immune cells in favor of an anti-inflammatory profile with decreased antigen-presenting capacity. We propose that changes in β-cell metabolism mediate local immune regulation and that this feature could be exploited for therapeutic goals. ARTICLE HIGHLIGHTS Protective Renalase (Rnls) deficiency impacts β-cell metabolism. Rnls-deficient β-cell grafts do not exclude immune infiltration. Rnls deficiency in transplanted β-cells broadly modifies local immune function. Immune cell in Rnls mutant β-cell grafts adopt a noninflammatory phenotype.
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Affiliation(s)
- Kevin Bode
- Section for Immunobiology, Joslin Diabetes Center, Boston, MA
- Department of Medicine, Harvard Medical School, Boston, MA
| | - Tara MacDonald
- Section for Immunobiology, Joslin Diabetes Center, Boston, MA
- Department of Medicine, Harvard Medical School, Boston, MA
| | - Taylor Stewart
- Department of Medicine, Harvard Medical School, Boston, MA
- Section for Islet Cell and Regenerative Biology, Joslin Diabetes Center, Boston, MA
| | - Bryhan Mendez
- Section for Immunobiology, Joslin Diabetes Center, Boston, MA
| | - Erica P. Cai
- Section for Islet Cell and Regenerative Biology, Joslin Diabetes Center, Boston, MA
| | - Noelle Morrow
- Section for Islet Cell and Regenerative Biology, Joslin Diabetes Center, Boston, MA
| | - Yu-Chi Lee
- Section for Islet Cell and Regenerative Biology, Joslin Diabetes Center, Boston, MA
| | - Peng Yi
- Department of Medicine, Harvard Medical School, Boston, MA
- Section for Islet Cell and Regenerative Biology, Joslin Diabetes Center, Boston, MA
- Diabetes Program, Harvard Stem Cell Institute, Cambridge, MA
| | - Stephan Kissler
- Section for Immunobiology, Joslin Diabetes Center, Boston, MA
- Department of Medicine, Harvard Medical School, Boston, MA
- Diabetes Program, Harvard Stem Cell Institute, Cambridge, MA
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2
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Whitt AG, Neely AM, Sarkar OS, Meng S, Arumugam S, Yaddanapudi K, Li C. Paraoxonase 2 (PON2) plays a limited role in murine lung tumorigenesis. Sci Rep 2023; 13:9929. [PMID: 37337025 PMCID: PMC10279720 DOI: 10.1038/s41598-023-37146-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 06/16/2023] [Indexed: 06/21/2023] Open
Abstract
Paraoxonase 2 (PON2) is a multifunctional intracellular enzyme that has received growing attention for its ability to modulate various aspects of normal and malignant cellular physiology. Recent research has revealed that PON2 is upregulated in tissues from patients with various types of solid tumors and hematologic cancers, likely due to its ability to suppress oxidative stress and evade apoptosis. However, the effects of PON2 on pulmonary oncogenesis are unknown. Here, we conducted studies to investigate how PON2 influences lung cancer cell proliferation in vitro and lung tumorigenesis in vivo using a variety of cellular and animal models. It was found that PON2 expression deficiency hampered the proliferation of cultured lung cancer cells with concomitant cell cycle arrest at the G1 phase. In addition, the loss of endogenous PON2 expression impaired key aspects of oxidative metabolism in lung adenocarcinoma cells. Moreover, we investigated how the interplay between PON2 expression in lung tumors and host mice influences lung tumor initiation and progression. PON2 status in both transplanted tumor cells and mice failed to influence the development of subcutaneously grafted Lewis lung carcinoma (LLC) tumors, orthotopically implanted LLC tumors, and oncogenic Kras-driven primary lung adenocarcinoma tumors. Importantly, the frequencies of tumor-infiltrating myeloid subsets that include myeloid-derived suppressor cells (MDSCs) and tumor-associated macrophages were not impacted by PON2 expression in LLC tumor-bearing mice. Overall, our studies indicate that PON2 plays a limited role in murine lung tumorigenesis.
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Affiliation(s)
- Aaron G Whitt
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY, 40202, USA
- Experimental Therapeutics Group, Brown Cancer Center, Department of Medicine, University of Louisville, Louisville, KY, 40202, USA
| | - Aaron M Neely
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY, 40202, USA
- Experimental Therapeutics Group, Brown Cancer Center, Department of Medicine, University of Louisville, Louisville, KY, 40202, USA
- Department of Translational Genomics, University of Southern California, Los Angeles, CA, USA
| | - Omar Sadi Sarkar
- Department of Microbiology and Immunology, University of Louisville, Louisville, KY, USA
| | - Shuhan Meng
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY, 40202, USA
- Experimental Therapeutics Group, Brown Cancer Center, Department of Medicine, University of Louisville, Louisville, KY, 40202, USA
| | - Sengodagounder Arumugam
- NMR Facility, Brown Cancer Center, Department of Medicine, University of Louisville, Louisville, KY, USA
| | - Kavitha Yaddanapudi
- Department of Microbiology and Immunology, University of Louisville, Louisville, KY, USA
- Immuno-Oncology Program, Brown Cancer Center, Department of Medicine, University of Louisville, Louisville, KY, USA
- Division of Immunotherapy, Department of Surgery, University of Louisville, Louisville, KY, USA
| | - Chi Li
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY, 40202, USA.
- Experimental Therapeutics Group, Brown Cancer Center, Department of Medicine, University of Louisville, Louisville, KY, 40202, USA.
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3
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Tuğrul B, Balcan E, Öztel Z, Çöllü F, Gürcü B. Prion protein-dependent regulation of p53-MDM2 crosstalk during endoplasmic reticulum stress and doxorubicin treatments might be essential for cell fate in human breast cancer cell line, MCF-7. Exp Cell Res 2023:113656. [PMID: 37245583 DOI: 10.1016/j.yexcr.2023.113656] [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: 03/01/2023] [Revised: 05/09/2023] [Accepted: 05/21/2023] [Indexed: 05/30/2023]
Abstract
In this study, we investigated the effect of doxorubicin and tunicamycin treatment alone or in combination on MDM-, Cul9-and prion protein (PrP)-mediated subcellular regulation of p53 in the context of apoptosis and autophagy. MTT analysis was performed to determine the cytotoxic effect of the agents. Apoptosis was monitorized by ELISA, flow cytometry and JC-1 assay. Monodansylcadaverine assay was performed for autophagy. Western blotting and immunofluorescence were performed to determine p53, MDM2, CUL9 and PrP levels. Doxorubicin increased p53, MDM2 and CUL9 levels in a dose-dependent manner. Expression of p53 and MDM2 was higher at the 0.25 μM concentration of tunicamycin compared to the control, but it decreased at 0.5 μM and 1 μM concentrations. CUL9 expression was significantly decreased only after treatment of tunicamycin at 0.25 μM. According to its glycosylation status, the upper band of PrP increased only in combination treatment. In combination treatment, p53 expression was higher than control, whereas MDM2 and CUL9 expressions were decreased. Combination treatments may make MCF-7 cells more susceptible to apoptosis rather than autophagy. In conclusion, PrP may be important in determining the fate of cell death through crosstalk between proteins such as p53 and MDM2 under endoplasmic reticulum (ER) stress conditions. Further studies are needed to obtain in-depth information on these potential molecular networks.
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Affiliation(s)
- Berrin Tuğrul
- Manisa Celal Bayar University, Faculty of Science and Letters, Department of Biology, Molecular Biology Section, 45140, Yunusemre, Manisa, Turkey.
| | - Erdal Balcan
- Manisa Celal Bayar University, Faculty of Science and Letters, Department of Biology, Molecular Biology Section, 45140, Yunusemre, Manisa, Turkey.
| | - Zübeyde Öztel
- Manisa Celal Bayar University, Faculty of Science and Letters, Department of Biology, Molecular Biology Section, 45140, Yunusemre, Manisa, Turkey.
| | - Fatih Çöllü
- Manisa Celal Bayar University, Faculty of Science and Letters, Department of Biology, Zoology Section, 45140, Yunusemre, Manisa, Turkey.
| | - Beyhan Gürcü
- Manisa Celal Bayar University, Faculty of Science and Letters, Department of Biology, Zoology Section, 45140, Yunusemre, Manisa, Turkey.
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4
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Maurer-Morelli CV, de Vasconcellos JF, Bruxel EM, Rocha CS, do Canto AM, Tedeschi H, Yasuda CL, Cendes F, Lopes-Cendes I. Gene expression profile suggests different mechanisms underlying sporadic and familial mesial temporal lobe epilepsy. Exp Biol Med (Maywood) 2022; 247:2233-2250. [PMID: 36259630 PMCID: PMC9899983 DOI: 10.1177/15353702221126666] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Most patients with pharmacoresistant mesial temporal lobe epilepsy (MTLE) have hippocampal sclerosis on the postoperative histopathological examination. Although most patients with MTLE do not refer to a family history of the disease, familial forms of MTLE have been reported. We studied surgical specimens from patients with MTLE who had epilepsy surgery for medically intractable seizures. We assessed and compared gene expression profiles of the tissue lesion found in patients with familial MTLE (n = 3) and sporadic MTLE (n = 5). In addition, we used data from control hippocampi obtained from a public database (n = 7). We obtained expression profiles using the Human Genome U133 Plus 2.0 (Affymetrix) microarray platform. Overall, the molecular profile identified in familial MTLE differed from that in sporadic MTLE. In the tissue of patients with familial MTLE, we found an over-representation of the biological pathways related to protein response, mRNA processing, and synaptic plasticity and function. In sporadic MTLE, the gene expression profile suggests that the inflammatory response is highly activated. In addition, we found enrichment of gene sets involved in inflammatory cytokines and mediators and chemokine receptor pathways in both groups. However, in sporadic MTLE, we also found enrichment of epidermal growth factor signaling, prostaglandin synthesis and regulation, and microglia pathogen phagocytosis pathways. Furthermore, based on the gene expression signatures, we identified different potential compounds to treat patients with familial and sporadic MTLE. To our knowledge, this is the first study assessing the mRNA profile in surgical tissue obtained from patients with familial MTLE and comparing it with sporadic MTLE. Our results clearly show that, despite phenotypic similarities, both forms of MTLE present distinct molecular signatures, thus suggesting different underlying molecular mechanisms that may require distinct therapeutic approaches.
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Affiliation(s)
- Claudia V Maurer-Morelli
- Department of Translational Medicine,
School of Medical Sciences, University of Campinas (UNICAMP), Campinas 13083-888,
Brazil,Brazilian Institute of Neuroscience and
Neurotechnology (BRAINN), Campinas 13083-888, Brazil
| | - Jaira F de Vasconcellos
- Department of Translational Medicine,
School of Medical Sciences, University of Campinas (UNICAMP), Campinas 13083-888,
Brazil,Department of Biology, James Madison
University, Harrisonburg, VA 22807, USA
| | - Estela M Bruxel
- Department of Translational Medicine,
School of Medical Sciences, University of Campinas (UNICAMP), Campinas 13083-888,
Brazil,Brazilian Institute of Neuroscience and
Neurotechnology (BRAINN), Campinas 13083-888, Brazil
| | - Cristiane S Rocha
- Department of Translational Medicine,
School of Medical Sciences, University of Campinas (UNICAMP), Campinas 13083-888,
Brazil,Brazilian Institute of Neuroscience and
Neurotechnology (BRAINN), Campinas 13083-888, Brazil
| | - Amanda M do Canto
- Department of Translational Medicine,
School of Medical Sciences, University of Campinas (UNICAMP), Campinas 13083-888,
Brazil,Brazilian Institute of Neuroscience and
Neurotechnology (BRAINN), Campinas 13083-888, Brazil
| | - Helder Tedeschi
- Department of Neurology, School of
Medical Sciences, University of Campinas (UNICAMP), Campinas 13083-887, Brazil
| | - Clarissa L Yasuda
- Brazilian Institute of Neuroscience and
Neurotechnology (BRAINN), Campinas 13083-888, Brazil,Department of Neurology, School of
Medical Sciences, University of Campinas (UNICAMP), Campinas 13083-887, Brazil
| | - Fernando Cendes
- Brazilian Institute of Neuroscience and
Neurotechnology (BRAINN), Campinas 13083-888, Brazil,Department of Neurology, School of
Medical Sciences, University of Campinas (UNICAMP), Campinas 13083-887, Brazil
| | - Iscia Lopes-Cendes
- Department of Translational Medicine,
School of Medical Sciences, University of Campinas (UNICAMP), Campinas 13083-888,
Brazil,Brazilian Institute of Neuroscience and
Neurotechnology (BRAINN), Campinas 13083-888, Brazil,Iscia Lopes-Cendes.
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5
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Dutta T, Das S, Gupta I, Koner AL. Construing the metaxin-2 mediated simultaneous localization between mitochondria and nucleolus using molecular viscometry. Chem Sci 2022; 13:12987-12995. [PMID: 36425508 PMCID: PMC9668072 DOI: 10.1039/d2sc03587a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 10/06/2022] [Indexed: 11/02/2023] Open
Abstract
Fluorescent probes for specific inter-organelle communication are of massive significance as such communication is essential for a diverse range of cellular events. Here, we present the microviscosity-sensitive fluorescence marker, Quinaldine Red (QR), and its dual organelle targeting light-up response in live cells. This biocompatible probe was able to localize in mitochondria and nucleolus simultaneously. While QR was able to sense the viscosity change inside these compartments under the induced effect of an ionophore and ROS-rich microenvironment, the probe's ability to stain mitochondria remained unperturbed even after protonophore-induced depolarization. Consequently, a systematic quantification was performed to understand the alteration of microviscosity. Similar behavior in two distinct organelles implied that QR binds to metaxin-2 protein, common to mitochondrial and nucleolar proteomes. We believe this is the first of its kind investigation that identifies the inter-organelle communications marker and opens up a new dimension in this field.
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Affiliation(s)
- Tanoy Dutta
- Bionanotechnology Lab, Department of Chemistry, Indian Institute of Science Education and Research Bhopal Bhopal Bypass Road, Bhauri Bhopal Madhya Pradesh-462066 India
| | - Sreeparna Das
- Bionanotechnology Lab, Department of Chemistry, Indian Institute of Science Education and Research Bhopal Bhopal Bypass Road, Bhauri Bhopal Madhya Pradesh-462066 India
| | - Ishaan Gupta
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi Hauz Khas New Delhi-110016 India
| | - Apurba Lal Koner
- Bionanotechnology Lab, Department of Chemistry, Indian Institute of Science Education and Research Bhopal Bhopal Bypass Road, Bhauri Bhopal Madhya Pradesh-462066 India
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6
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Steiner A, Hrovat-Schaale K, Prigione I, Yu CH, Laohamonthonkul P, Harapas CR, Low RRJ, De Nardo D, Dagley LF, Mlodzianoski MJ, Rogers KL, Zillinger T, Hartmann G, Gantier MP, Gattorno M, Geyer M, Volpi S, Davidson S, Masters SL. Deficiency in coatomer complex I causes aberrant activation of STING signalling. Nat Commun 2022; 13:2321. [PMID: 35484149 PMCID: PMC9051092 DOI: 10.1038/s41467-022-29946-6] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 04/05/2022] [Indexed: 12/15/2022] Open
Abstract
Coatomer complex I (COPI) mediates retrograde vesicular trafficking from Golgi to the endoplasmic reticulum (ER) and within Golgi compartments. Deficiency in subunit alpha causes COPA syndrome and is associated with type I IFN signalling, although the upstream innate immune sensor involved was unknown. Using in vitro models we find aberrant activation of the STING pathway due to deficient retrograde but probably not intra-Golgi transport. Further we find the upstream cytosolic DNA sensor cGAS as essentially required to drive type I IFN signalling. Genetic deletion of COPI subunits COPG1 or COPD similarly induces type I IFN activation in vitro, which suggests that inflammatory diseases associated with mutations in other COPI subunit genes may exist. Finally, we demonstrate that inflammation in COPA syndrome patient peripheral blood mononuclear cells and COPI-deficient cell lines is ameliorated by treatment with the small molecule STING inhibitor H-151, suggesting targeted inhibition of the cGAS/STING pathway as a promising therapeutic approach.
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Affiliation(s)
- Annemarie Steiner
- Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, 3010, Australia
- Institute of Structural Biology, University Hospital Bonn, 53127, Bonn, Germany
| | - Katja Hrovat-Schaale
- Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, 3010, Australia
| | - Ignazia Prigione
- Centre for Autoinflammatory Diseases and Primary Immunodeficiencies, IRCCS Istituto Giannina Gaslini, 16147, Genoa, Italy
| | - Chien-Hsiung Yu
- Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, 3010, Australia
| | - Pawat Laohamonthonkul
- Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, 3010, Australia
| | - Cassandra R Harapas
- Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, 3010, Australia
| | - Ronnie Ren Jie Low
- Department of Medical Biology, University of Melbourne, Parkville, VIC, 3010, Australia
- Personalised Oncology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
| | - Dominic De Nardo
- Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Anatomy and Developmental Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC, 3168, Australia
| | - Laura F Dagley
- Department of Medical Biology, University of Melbourne, Parkville, VIC, 3010, Australia
- Advanced Technology and Biology, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
| | - Michael J Mlodzianoski
- Center for Dynamic Imaging, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
| | - Kelly L Rogers
- Center for Dynamic Imaging, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
| | - Thomas Zillinger
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, 53127, Bonn, Germany
- Institute of Immunology, Philipps-University Marburg, BMFZ, 35043, Marburg, Germany
| | - Gunther Hartmann
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, 53127, Bonn, Germany
- German Centre for Infection Research (DZIF), partner site Bonn-Cologne, 53127, Bonn, Germany
| | - Michael P Gantier
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC, 3168, Australia
- Department of Molecular and Translational Science, Monash University, Clayton, VIC, 3168, Australia
| | - Marco Gattorno
- Centre for Autoinflammatory Diseases and Primary Immunodeficiencies, IRCCS Istituto Giannina Gaslini, 16147, Genoa, Italy
| | - Matthias Geyer
- Institute of Structural Biology, University Hospital Bonn, 53127, Bonn, Germany
| | - Stefano Volpi
- Centre for Autoinflammatory Diseases and Primary Immunodeficiencies, IRCCS Istituto Giannina Gaslini, 16147, Genoa, Italy
- University of Genoa, 16126, Genoa, Italy
| | - Sophia Davidson
- Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, 3010, Australia
| | - Seth L Masters
- Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia.
- Department of Medical Biology, University of Melbourne, Parkville, VIC, 3010, Australia.
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7
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Curcumae Radix Decreases Neurodegenerative Markers through Glycolysis Decrease and TCA Cycle Activation. Nutrients 2022; 14:nu14081587. [PMID: 35458149 PMCID: PMC9024545 DOI: 10.3390/nu14081587] [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: 03/02/2022] [Revised: 04/05/2022] [Accepted: 04/08/2022] [Indexed: 02/06/2023] Open
Abstract
Neurodegenerative diseases (ND) are being increasingly studied owing to the increasing proportion of the aging population. Several potential compounds are examined to prevent neurodegenerative diseases, including Curcumae radix, which is known to be beneficial for inflammatory conditions, metabolic syndrome, and various types of pain. However, it is not well studied, and its influence on energy metabolism in ND is unclear. We focused on the relationship between ND and energy metabolism using Curcumae radix extract (CRE) in cells and animal models. We monitored neurodegenerative markers and metabolic indicators using Western blotting and qRT-PCR and then assessed cellular glycolysis and metabolic flux assays. The levels of Alzheimer’s disease-related markers in mouse brains were reduced after treatment with the CRE. We confirmed that neurodegenerative markers decreased in the cerebrum and brain tumor cells following low endoplasmic reticulum (ER) stress markers. Furthermore, glycolysis related genes and the extracellular acidification rate decreased after treatment with the CRE. Interestingly, we found that the CRE exposed mouse brain and cells had increased mitochondrial Tricarboxylic acid (TCA) cycle and Oxidative phosphorylation (OXPHOS) related genes in the CRE group. Curcumae radix may act as a metabolic modulator of brain health and help treat and prevent ND involving mitochondrial dysfunction.
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8
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Mallick P, Maity S, Chakrabarti O, Chakrabarti S. Role of systems biology and multi-omics analyses in delineating spatial interconnectivity and temporal dynamicity of ER stress mediated cellular responses. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2022; 1869:119210. [PMID: 35032474 DOI: 10.1016/j.bbamcr.2022.119210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 12/01/2021] [Accepted: 12/30/2021] [Indexed: 06/14/2023]
Abstract
The endoplasmic reticulum (ER) is a membranous organelle involved in calcium storage, lipid biosynthesis, protein folding and processing. Many patho-physiological conditions and pharmacological agents are known to perturb normal ER function and can lead to ER stress, which severely compromise protein folding mechanism and hence poses high risk of proteotoxicity. Upon sensing ER stress, the different stress signaling pathways interconnect with each other and work together to preserve cellular homeostasis. ER stress response is a part of the integrative stress response (ISR) and might play an important role in the pathogenesis of chronic neurodegenerative diseases, where misfolded protein accumulation and cell death are common. The initiation, manifestation and progression of ER stress mediated unfolded protein response (UPR) is a complex procedure involving multiple proteins, pathways and cellular organelles. To understand the cause and consequences of such complex processes, implementation of an integrative holistic approach is required to identify novel players and regulators of ER stress. As multi-omics data-based systems analyses have shown potential to unravel the underneath molecular mechanism of complex biological systems, it is important to emphasize the utility of this approach in understanding the ER stress biology. In this review we first discuss the ER stress signaling pathways and regulatory players, along with their inter-connectivity. We next highlight the importance of systems and network biology approaches using multi-omics data in understanding ER stress mediated cellular responses. This report would help advance our current understanding of the multivariate spatial interconnectivity and temporal dynamicity of ER stress.
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Affiliation(s)
- Priyanka Mallick
- Structural Biology and Bioinformatics Division, CSIR-Indian Institute of Chemical Biology, IICB TRUE Campus, CN-6, Sector 5, Salt Lake, Kolkata Pin 700091, WB, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Sebabrata Maity
- Biophysics & Structural Genomics Division, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata 700064, India; Homi Bhabha National Institute, India
| | - Oishee Chakrabarti
- Biophysics & Structural Genomics Division, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata 700064, India; Homi Bhabha National Institute, India.
| | - Saikat Chakrabarti
- Structural Biology and Bioinformatics Division, CSIR-Indian Institute of Chemical Biology, IICB TRUE Campus, CN-6, Sector 5, Salt Lake, Kolkata Pin 700091, WB, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India.
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9
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Ghini V, Magherini F, Massai L, Messori L, Turano P. Comparative NMR metabolomics of the responses of A2780 human ovarian cancer cells to clinically established Pt-based drugs. Dalton Trans 2022; 51:12512-12523. [DOI: 10.1039/d2dt02068h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Pt-based drugs play a very important role in current cancer treatments; yet, their cellular and mechanistic aspects are not fully understood. NMR metabolomics provides a powerful tool to investigate the...
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10
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O'Connell P, Blake MK, Godbehere S, Aldhamen YA, Amalfitano A. Absence of ERAP1 in B Cells Increases Susceptibility to Central Nervous System Autoimmunity, Alters B Cell Biology, and Mechanistically Explains Genetic Associations between ERAP1 and Multiple Sclerosis. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2021; 207:2952-2965. [PMID: 34810226 DOI: 10.4049/jimmunol.2100813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 10/18/2021] [Indexed: 11/19/2022]
Abstract
Hundreds of genes have been linked to multiple sclerosis (MS); yet, the underlying mechanisms behind these associations have only been investigated in a fraction of cases. Endoplasmic reticulum aminopeptidase 1 (ERAP1) is an endoplasmic reticulum-localized aminopeptidase with important roles in trimming peptides destined for MHC class I and regulation of innate immune responses. As such, genetic polymorphisms in ERAP1 have been linked to multiple autoimmune diseases. In this study, we present, to our knowledge, the first mechanistic studies performed to uncover why polymorphisms in ERAP1 are associated with increased susceptibility to MS. Combining multiple mouse models of CNS autoimmunity with high-dimensional single-cell spectral cytometry, adoptive transfer studies, and integrative analysis of human single-cell RNA-sequencing datasets, we identify an intrinsic defect in B cells as being primarily responsible. Not only are mice lacking ERAP1 more susceptible to CNS autoimmunity, but adoptive transfer of B cells lacking ERAP1 into B cell-deficient mice recapitulates this susceptibility. We found B cells lacking ERAP1 display decreased proliferation in vivo and express higher levels of activation/costimulatory markers. Integrative analysis of single-cell RNA sequencing of B cells from 36 individuals revealed subset-conserved differences in gene expression and pathway activation in individuals harboring the MS-linked K528R ERAP1 single-nucleotide polymorphism. Finally, our studies also led us to create, to our knowledge, the first murine protein-level map of the CNS IL-10+ immune compartment at steady state and during neuroinflammation. These studies identify a role for ERAP1 in the modulation of B cells and highlight this as one reason why polymorphisms in this gene are linked to MS.
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Affiliation(s)
- Patrick O'Connell
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, East Lansing, MI; and
| | - Maja K Blake
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, East Lansing, MI; and
| | - Sarah Godbehere
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, East Lansing, MI; and
| | - Yasser A Aldhamen
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, East Lansing, MI; and
| | - Andrea Amalfitano
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, East Lansing, MI; and .,Department of Pediatrics, College of Osteopathic Medicine, Michigan State University, East Lansing, MI
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11
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Liu W, Du JJ, Li ZH, Zhang XY, Zuo HD. Liver injury associated with acute pancreatitis: The current status of clinical evaluation and involved mechanisms. World J Clin Cases 2021; 9:10418-10429. [PMID: 35004974 PMCID: PMC8686151 DOI: 10.12998/wjcc.v9.i34.10418] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 07/16/2021] [Accepted: 09/16/2021] [Indexed: 02/06/2023] Open
Abstract
Acute pancreatitis (AP) is a very common acute disease, and the mortality rate of severe AP (SAP) is between 15% and 35%. The main causes of death are multiple organ dysfunction syndrome and infections. The mortality rate of patients with SAP related to liver failure is as high as 83%, and approximately 5% of the SAP patients have fulminant liver failure. Liver function is closely related to the progression and prognosis of AP. In this review, we aim to elaborate on the clinical manifestations and mechanism of liver injury in patients with AP.
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Affiliation(s)
- Wei Liu
- Sichuan Key Laboratory of Medical Imaging, Department of Radiology, The Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, Sichuan Province, China
| | - Juan-Juan Du
- Sichuan Key Laboratory of Medical Imaging, Department of Radiology, The Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, Sichuan Province, China
| | - Zeng-Hui Li
- Sichuan Key Laboratory of Medical Imaging, Department of Radiology, The Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, Sichuan Province, China
| | - Xin-Yu Zhang
- Sichuan Key Laboratory of Medical Imaging, Department of Radiology, The Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, Sichuan Province, China
| | - Hou-Dong Zuo
- Sichuan Key Laboratory of Medical Imaging, Department of Radiology, The Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, Sichuan Province, China
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12
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Zhou B, Lu D, Wang A, Cui J, Zhang L, Li J, Fan L, Wei W, Liu J, Sun G. Endoplasmic reticulum stress promotes sorafenib resistance via miR-188-5p/hnRNPA2B1-mediated upregulation of PKM2 in hepatocellular carcinoma. MOLECULAR THERAPY-NUCLEIC ACIDS 2021; 26:1051-1065. [PMID: 34786210 PMCID: PMC8569435 DOI: 10.1016/j.omtn.2021.09.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 07/22/2021] [Accepted: 09/24/2021] [Indexed: 01/27/2023]
Abstract
Emerging evidence has shown that endoplasmic reticulum (ER) stress promotes sorafenib resistance in hepatocellular carcinoma (HCC). However, the underlying mechanisms are poorly understood. The purpose of this study was to explore the mechanism by which ER stress promotes sorafenib resistance in HCC. We found that pyruvate kinase isoform M2 (PKM2) was highly expressed in human HCC tissues and co-related with worse clinicopathologic features and overall survival. Activation of ER stress positively correlated with PKM2 expression both in HCC tissue samples and tunicamycin (TM)-induced HCC cell lines. PKM2 knockdown increased sorafenib-induced apoptosis and decreased the ability of colony formation, while upregulation of PKM2 reverses this phenomenon. Furthermore, high-throughput sequencing identified that activation of ER stress significantly downregulated the expression of miR-188-5p in HCC cells. According to bioinformatics analysis and dual-luciferase assays, we further confirmed that hnRNPA2B1 is the target gene of miR-188-5p. Downregulating the expression of hnRNPA2B1 with siRNA could decrease the expression of PKM2 and enhance sorafenib-induced apoptosis in HepG2 cells. Our study demonstrated that ER stress could promote sorafenib resistance through upregulating PKM2 via miR-188-5p/hnRNPA2B1. Therefore, targeting the miR-188-5p/hnRNPA2B1/PKM2 pathway and ER stress may prove instrumental in overcoming sorafenib resistance in HCC treatment.
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Affiliation(s)
- Bei Zhou
- Department of Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, Anhui, China
| | - Donghui Lu
- Department of Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, Anhui, China
| | - Anqi Wang
- Department of Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, Anhui, China
| | - Jie Cui
- Department of Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, Anhui, China
| | - Li Zhang
- Department of Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, Anhui, China
| | - Jian Li
- Department of Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, Anhui, China
| | - Lulu Fan
- Department of Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, Anhui, China
| | - Wei Wei
- Institute of Clinical Pharmacology, Anhui Medical University, Hefei 230032, Anhui, China
| | - Jiatao Liu
- Department of Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, Anhui, China.,Department of Pharmacy, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, Anhui, China
| | - Guoping Sun
- Department of Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, Anhui, China
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13
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Pachikov AN, Gough RR, Christy CE, Morris ME, Casey CA, LaGrange CA, Bhat G, Kubyshkin AV, Fomochkina II, Zyablitskaya EY, Makalish TP, Golubinskaya EP, Davydenko KA, Eremenko SN, Riethoven JJM, Maroli AS, Payne TS, Powers R, Lushnikov AY, Macke AJ, Petrosyan A. The non-canonical mechanism of ER stress-mediated progression of prostate cancer. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:289. [PMID: 34521429 PMCID: PMC8439065 DOI: 10.1186/s13046-021-02066-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 08/08/2021] [Indexed: 01/12/2023]
Abstract
Background The development of persistent endoplasmic reticulum (ER) stress is one of the cornerstones of prostate carcinogenesis; however, the mechanism is missing. Also, alcohol is a physiological ER stress inducer, and the link between alcoholism and progression of prostate cancer (PCa) is well documented but not well characterized. According to the canonical model, the mediator of ER stress, ATF6, is cleaved sequentially in the Golgi by S1P and S2P proteases; thereafter, the genes responsible for unfolded protein response (UPR) undergo transactivation. Methods Cell lines used were non-malignant prostate epithelial RWPE-1 cells, androgen-responsive LNCaP, and 22RV1 cells, as well as androgen-refractory PC-3 cells. We also utilized PCa tissue sections from patients with different Gleason scores and alcohol consumption backgrounds. Several sophisticated approaches were employed, including Structured illumination superresolution microscopy, Proximity ligation assay, Atomic force microscopy, and Nuclear magnetic resonance spectroscopy. Results Herein, we identified the trans-Golgi matrix dimeric protein GCC185 as a Golgi retention partner for both S1P and S2P, and in cells lacking GCC185, these enzymes lose intra-Golgi situation. Progression of prostate cancer (PCa) is associated with overproduction of S1P and S2P but monomerization of GCC185 and its downregulation. Utilizing different ER stress models, including ethanol administration, we found that PCa cells employ an elegant mechanism that auto-activates ER stress by fragmentation of Golgi, translocation of S1P and S2P from Golgi to ER, followed by intra-ER cleavage of ATF6, accelerated UPR, and cell proliferation. The segregation of S1P and S2P from Golgi and activation of ATF6 are positively correlated with androgen receptor signaling, different disease stages, and alcohol consumption. Finally, depletion of ATF6 significantly retarded the growth of xenograft prostate tumors and blocks production of pro-metastatic metabolites. Conclusions We found that progression of PCa associates with translocation of S1P and S2P proteases to the ER and subsequent ATF6 cleavage. This obviates the need for ATF6 transport to the Golgi and enhances UPR and cell proliferation. Thus, we provide the novel mechanistic model of ATF6 activation and ER stress implication in the progression of PCa, suggesting ATF6 is a novel promising target for prostate cancer therapy. Supplementary Information The online version contains supplementary material available at 10.1186/s13046-021-02066-7.
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Affiliation(s)
- Artem N Pachikov
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA.,The Fred and Pamela Buffett Cancer Center, Omaha, NE, 68198, USA
| | - Ryan R Gough
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA.,The Fred and Pamela Buffett Cancer Center, Omaha, NE, 68198, USA.,Omaha Western Iowa Health Care System, VA Service, Department of Research Service, Omaha, NE, 68105, USA
| | - Caroline E Christy
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Mary E Morris
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Carol A Casey
- Omaha Western Iowa Health Care System, VA Service, Department of Research Service, Omaha, NE, 68105, USA.,Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, 68105, USA
| | - Chad A LaGrange
- Division of Urologic Surgery, Department of Surgery, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Ganapati Bhat
- School of Basic and Applied Sciences, Dayananda Sagar University, Bangalore, Karnataka, 560078, India
| | - Anatoly V Kubyshkin
- Department of Pathological Physiology, Medical Academy named after S. I. Georgievsky, V. I. Vernadsky Crimean Federal University, Simferopol, Russia, 295051
| | - Iryna I Fomochkina
- Department of Pathological Physiology, Medical Academy named after S. I. Georgievsky, V. I. Vernadsky Crimean Federal University, Simferopol, Russia, 295051
| | - Evgeniya Y Zyablitskaya
- Laboratory of Molecular Biology, Medical Academy named after S. I. Georgievsky, V. I. Vernadsky Crimean Federal University, Simferopol, Russia, 295051
| | - Tatiana P Makalish
- Laboratory of Molecular Biology, Medical Academy named after S. I. Georgievsky, V. I. Vernadsky Crimean Federal University, Simferopol, Russia, 295051
| | - Elena P Golubinskaya
- Laboratory of Molecular Biology, Medical Academy named after S. I. Georgievsky, V. I. Vernadsky Crimean Federal University, Simferopol, Russia, 295051
| | - Kateryna A Davydenko
- Laboratory of Molecular Biology, Medical Academy named after S. I. Georgievsky, V. I. Vernadsky Crimean Federal University, Simferopol, Russia, 295051
| | - Sergey N Eremenko
- Saint Luc's Clinique, V. I. Vernadsky Crimean Federal University, Simferopol, Russia, 295051
| | - Jean-Jack M Riethoven
- Center for Biotechnology, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA.,Department of Statistics, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA.,The Nebraska Center for Integrated Biomolecular Communication, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | - Amith S Maroli
- The Nebraska Center for Integrated Biomolecular Communication, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA.,Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | - Thomas S Payne
- Department of Statistics, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA.,The Nebraska Center for Integrated Biomolecular Communication, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | - Robert Powers
- The Nebraska Center for Integrated Biomolecular Communication, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA.,Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | - Alexander Y Lushnikov
- Nanoimaging Core Facility, University of Nebraska Medical Center, Omaha, NE, 68105, USA
| | - Amanda J Macke
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Armen Petrosyan
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, 68198, USA. .,The Fred and Pamela Buffett Cancer Center, Omaha, NE, 68198, USA. .,Omaha Western Iowa Health Care System, VA Service, Department of Research Service, Omaha, NE, 68105, USA.
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14
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Martínez-Puente DH, Garza-Morales R, Pérez-Trujillo JJ, García-García A, Villanueva-Olivo A, Rodríguez-Rocha H, Zavala-Flores LM, Saucedo-Cárdenas O, Montes de Oca-Luna R, Loera-Arias MDJ. Targeting E7 antigen to the endoplasmic reticulum degradation pathway promotes a potent therapeutic antitumor effect. J Drug Target 2021; 29:1102-1110. [PMID: 33926356 DOI: 10.1080/1061186x.2021.1919124] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
It has been previously reported that targeting and retaining antigens in the endoplasmic reticulum (ER) can induce an ER stress response. In this study, we evaluated the antitumor effect of E7 antigen fused to an ERresident protein, cyclooxygenase-2, which possesses a 19-aminoacid cassette that directs it to the endoplasmic reticulum-associated protein degradation (ERAD) pathway. The featured DNA constructs, COX2-E7 and COX2-E7ΔERAD, with a deletion in the 19-aminoacid cassette, were used to evaluate the importance of this sequence. In vitro analysis of protein expression and ER localisation were verified. We observed that both constructs induced an ER stress response. This finding correlated with the antitumor effect in mice injected with TC-1 cells and treated with different DNA constructs by biolistic vaccination. Immunisation with COX2-E7 and COX2-E7ΔERAD DNA constructs induced a significant antitumor effect in mice, without a significant difference between them, although the COX2-E7 construct induced a significant E7-specific immune response. These results demonstrate that targeting the E7 antigen to the ERAD pathway promotes a potent therapeutic antitumor effect. This strategy could be useful for the design of other antigen-specific therapies.
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Affiliation(s)
| | - Rodolfo Garza-Morales
- Departamento de Histología, Facultad de Medicina, Universidad Autonoma de Nuevo Leon, Monterrey, México
| | - José Juan Pérez-Trujillo
- Departamento de Histología, Facultad de Medicina, Universidad Autonoma de Nuevo Leon, Monterrey, México
| | - Aracely García-García
- Departamento de Histología, Facultad de Medicina, Universidad Autonoma de Nuevo Leon, Monterrey, México
| | - Arnulfo Villanueva-Olivo
- Departamento de Histología, Facultad de Medicina, Universidad Autonoma de Nuevo Leon, Monterrey, México
| | - Humberto Rodríguez-Rocha
- Departamento de Histología, Facultad de Medicina, Universidad Autonoma de Nuevo Leon, Monterrey, México
| | - Laura Mireya Zavala-Flores
- Departamento de Genética Molecular, Centro de Investigación Biomédica del Noreste, Delegación Nuevo León, Instituto Mexicano del Seguro Social, Monterrey, México
| | - Odila Saucedo-Cárdenas
- Departamento de Histología, Facultad de Medicina, Universidad Autonoma de Nuevo Leon, Monterrey, México.,Departamento de Genética Molecular, Centro de Investigación Biomédica del Noreste, Delegación Nuevo León, Instituto Mexicano del Seguro Social, Monterrey, México
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15
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Downregulation of ceramide synthase 1 promotes oral cancer through endoplasmic reticulum stress. Int J Oral Sci 2021; 13:10. [PMID: 33753723 PMCID: PMC7985500 DOI: 10.1038/s41368-021-00118-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 01/07/2021] [Accepted: 02/14/2021] [Indexed: 02/05/2023] Open
Abstract
C18 ceramide plays an important role in the occurrence and development of oral squamous cell carcinoma. However, the function of ceramide synthase 1, a key enzyme in C18 ceramide synthesis, in oral squamous cell carcinoma is still unclear. The aim of our study was to investigate the relationship between ceramide synthase 1 and oral cancer. In this study, we found that the expression of ceramide synthase 1 was downregulated in oral cancer tissues and cell lines. In a mouse oral squamous cell carcinoma model induced by 4-nitroquinolin-1-oxide, ceramide synthase 1 knockout was associated with the severity of oral malignant transformation. Immunohistochemical studies showed significant upregulation of PCNA, MMP2, MMP9, and BCL2 expression and downregulation of BAX expression in the pathological hyperplastic area. In addition, ceramide synthase 1 knockdown promoted cell proliferation, migration, and invasion in vitro. Overexpression of CERS1 obtained the opposite effect. Ceramide synthase 1 knockdown caused endoplasmic reticulum stress and induced the VEGFA upregulation. Activating transcription factor 4 is responsible for ceramide synthase 1 knockdown caused VEGFA transcriptional upregulation. In addition, mild endoplasmic reticulum stress caused by ceramide synthase 1 knockdown could induce cisplatin resistance. Taken together, our study suggests that ceramide synthase 1 is downregulated in oral cancer and promotes the aggressiveness of oral squamous cell carcinoma and chemotherapeutic drug resistance.
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16
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Oxidative Stress and Endoplasmic Reticulum Stress in Rare Respiratory Diseases. J Clin Med 2021; 10:jcm10061268. [PMID: 33803835 PMCID: PMC8003245 DOI: 10.3390/jcm10061268] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 03/12/2021] [Accepted: 03/15/2021] [Indexed: 02/07/2023] Open
Abstract
Several studies have shown that some rare respiratory diseases, such as alpha-1 antitrypsin deficiency (AATD), idiopathic pulmonary fibrosis (IPF), cystic fibrosis (CF), and primary ciliary dyskinesia (PCD) present oxidative stress (OS) and endoplasmic reticulum (ER) stress. Their involvement in these pathologies and the use of antioxidants as therapeutic agents to minimize the effects of OS are discussed in this review.
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17
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Sinton MC, Meseguer-Ripolles J, Lucendo-Villarin B, Wernig-Zorc S, Thomson JP, Carter RN, Lyall MJ, Walker PD, Thakker A, Meehan RR, Lavery GG, Morton NM, Ludwig C, Tennant DA, Hay DC, Drake AJ. A human pluripotent stem cell model for the analysis of metabolic dysfunction in hepatic steatosis. iScience 2021; 24:101931. [PMID: 33409477 PMCID: PMC7773967 DOI: 10.1016/j.isci.2020.101931] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 11/20/2020] [Accepted: 12/08/2020] [Indexed: 02/08/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is currently the most prevalent form of liver disease worldwide. This term encompasses a spectrum of pathologies, from benign hepatic steatosis to non-alcoholic steatohepatitis, which have, to date, been challenging to model in the laboratory setting. Here, we present a human pluripotent stem cell (hPSC)-derived model of hepatic steatosis, which overcomes inherent challenges of current models and provides insights into the metabolic rewiring associated with steatosis. Following induction of macrovesicular steatosis in hepatocyte-like cells using lactate, pyruvate, and octanoate (LPO), respirometry and transcriptomic analyses revealed compromised electron transport chain activity. 13C isotopic tracing studies revealed enhanced TCA cycle anaplerosis, with concomitant development of a compensatory purine nucleotide cycle shunt leading to excess generation of fumarate. This model of hepatic steatosis is reproducible, scalable, and overcomes the challenges of studying mitochondrial metabolism in currently available models.
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Affiliation(s)
- Matthew C. Sinton
- University/BHF Centre for Cardiovascular Science, University of Edinburgh, The Queen's Medical Research Institute, Edinburgh BioQuarter, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Jose Meseguer-Ripolles
- Centre for Regenerative Medicine, University of Edinburgh, Institute for Regeneration and Repair, Edinburgh BioQuarter, 5 Little France Crescent, Edinburgh, EH16 4UU, UK
| | - Baltasar Lucendo-Villarin
- Centre for Regenerative Medicine, University of Edinburgh, Institute for Regeneration and Repair, Edinburgh BioQuarter, 5 Little France Crescent, Edinburgh, EH16 4UU, UK
| | - Sara Wernig-Zorc
- Department of Biochemistry, University of Regensburg, Universitätsstraße 31, 93053 Regensburg, Germany
| | - John P. Thomson
- Human Genetics Unit, University of Edinburgh, MRC Institute for Genetics and Molecular Medicine, University of Edinburgh, Crewe Road South, Edinburgh, EH4, 2XU, UK
| | - Roderick N. Carter
- University/BHF Centre for Cardiovascular Science, University of Edinburgh, The Queen's Medical Research Institute, Edinburgh BioQuarter, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Marcus J. Lyall
- University/BHF Centre for Cardiovascular Science, University of Edinburgh, The Queen's Medical Research Institute, Edinburgh BioQuarter, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Paul D. Walker
- Institute of Metabolism and Systems Research, IBR Tower, College of Medical and Dental Sciences, Edgbaston, University of Birmingham, Birmingham, B15 2TT,, UK
| | - Alpesh Thakker
- Institute of Metabolism and Systems Research, IBR Tower, College of Medical and Dental Sciences, Edgbaston, University of Birmingham, Birmingham, B15 2TT,, UK
| | - Richard R. Meehan
- Human Genetics Unit, University of Edinburgh, MRC Institute for Genetics and Molecular Medicine, University of Edinburgh, Crewe Road South, Edinburgh, EH4, 2XU, UK
| | - Gareth G. Lavery
- Institute of Metabolism and Systems Research, IBR Tower, College of Medical and Dental Sciences, Edgbaston, University of Birmingham, Birmingham, B15 2TT,, UK
| | - Nicholas M. Morton
- University/BHF Centre for Cardiovascular Science, University of Edinburgh, The Queen's Medical Research Institute, Edinburgh BioQuarter, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Christian Ludwig
- Institute of Metabolism and Systems Research, IBR Tower, College of Medical and Dental Sciences, Edgbaston, University of Birmingham, Birmingham, B15 2TT,, UK
| | - Daniel A. Tennant
- Institute of Metabolism and Systems Research, IBR Tower, College of Medical and Dental Sciences, Edgbaston, University of Birmingham, Birmingham, B15 2TT,, UK
| | - David C. Hay
- Centre for Regenerative Medicine, University of Edinburgh, Institute for Regeneration and Repair, Edinburgh BioQuarter, 5 Little France Crescent, Edinburgh, EH16 4UU, UK
| | - Amanda J. Drake
- University/BHF Centre for Cardiovascular Science, University of Edinburgh, The Queen's Medical Research Institute, Edinburgh BioQuarter, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
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18
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Bu X, Li T, Guo D, Yang C, Wang J, Wang X, Yang Z, Wang H. 1% Isoflurane and 1.2 μg/ml of Propofol: A Combination of Anesthetics That Causes the Least Damage to Hypoxic Neurons. Front Aging Neurosci 2020; 12:591938. [PMID: 33304268 PMCID: PMC7701289 DOI: 10.3389/fnagi.2020.591938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 10/19/2020] [Indexed: 11/22/2022] Open
Abstract
Backgrounds: Aging-related impairment of cerebral blood flow regulation leads to the disruption of neuronal micro-environmental homeostasis. Anesthetics should be carefully selected for aging patients since they have less cognition capacity. Effects and mechanisms of propofol or isoflurane have been widely investigated. However, how different combinations of propofol and isoflurane affect neurons and the mechanism still needs to be demonstrated. Methods: We cultured rat hippocampal neurons and established a hypoxic injury model to imitate the micro-environment of aging brains. Three different combinations of propofol and isoflurane were applied to find out an optimum group via Cell Counting Kit-8 (CCK8) assay, lactic acid dehydrogenase (LDH) assay, real-time qPCR, and immunofluorescence of key proteins. Then BiP was silenced by small interfering RNA (siRNA) to explore the mechanism of how isoflurane and propofol affect neurons. Endoplasmic reticulum (ER) stress was measured by Western blot and immunofluorescence. To detect GABAAR α1 subunit proteostasis and its function, real-time qPCR, immunoprecipitation, and Western blot were carried out. Results: Hypoxic neurons showed no different changes on cell viability, LDH leakage, and ER stress after treatment with 1% isoflurane and 1.2 μg/ml of propofol. Hypoxic neurons showed a sharp increase of LDH leakage and ER stress and a decrease of cell viability after treatment with 1.4% isoflurane and 0.6 μg/ml of propofol or 0.5% isoflurane and 1.8 μg/ml of propofol. After knockdown of BiP, the application of 1% isoflurane and 1.2 μg/ml of propofol led to the decrease of GABAAR α1 subunit protein content and viability of cell, as well as aggravation of ER stress. Conclusion: A combination of 1% isoflurane and 1.2 μg/ml of propofol causes the least damage than do other dosages of both two drugs, and endogenous BiP plays an important role in this process.
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Affiliation(s)
- Xinyue Bu
- Department of Anesthesiology, The Third Central Clinical College of Tianjin Medical University, Tianjin, China.,Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Artificial Cell Engineering Technology Research Center, Tianjin Institute of Hepatobiliary Disease, Tianjin, China
| | - Tang Li
- Department of Anesthesiology, The Third Central Clinical College of Tianjin Medical University, Tianjin, China.,Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Artificial Cell Engineering Technology Research Center, Tianjin Institute of Hepatobiliary Disease, Tianjin, China
| | - Di Guo
- Department of Anesthesiology, The Third Central Clinical College of Tianjin Medical University, Tianjin, China.,Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Artificial Cell Engineering Technology Research Center, Tianjin Institute of Hepatobiliary Disease, Tianjin, China
| | - Chenyi Yang
- Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Artificial Cell Engineering Technology Research Center, Tianjin Institute of Hepatobiliary Disease, Tianjin, China.,Department of Anesthesiology, The Third Central Hospital of Tianjin, Tianjin, China
| | - Jinxin Wang
- Department of Anesthesiology, The Third Central Clinical College of Tianjin Medical University, Tianjin, China.,Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Artificial Cell Engineering Technology Research Center, Tianjin Institute of Hepatobiliary Disease, Tianjin, China
| | - Xinyi Wang
- Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Artificial Cell Engineering Technology Research Center, Tianjin Institute of Hepatobiliary Disease, Tianjin, China.,Department of Anesthesiology, The Third Central Hospital of Tianjin, Tianjin, China
| | - Zhuo Yang
- College of Medicine, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials for Ministry of Education, Nankai University, Tianjin, China
| | - Haiyun Wang
- Department of Anesthesiology, The Third Central Clinical College of Tianjin Medical University, Tianjin, China.,Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Artificial Cell Engineering Technology Research Center, Tianjin Institute of Hepatobiliary Disease, Tianjin, China.,Department of Anesthesiology, The Third Central Hospital of Tianjin, Tianjin, China.,Department of Anesthesiology, The Third Central Clinical College of Tianjin Medical University, Tianjin, China
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19
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Meng H, Gonzales NM, Lonard DM, Putluri N, Zhu B, Dacso CC, York B, O'Malley BW. XBP1 links the 12-hour clock to NAFLD and regulation of membrane fluidity and lipid homeostasis. Nat Commun 2020; 11:6215. [PMID: 33277471 PMCID: PMC7718229 DOI: 10.1038/s41467-020-20028-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Accepted: 10/27/2020] [Indexed: 12/11/2022] Open
Abstract
A distinct 12-hour clock exists in addition to the 24-hour circadian clock to coordinate metabolic and stress rhythms. Here, we show that liver-specific ablation of X-box binding protein 1 (XBP1) disrupts the hepatic 12-hour clock and promotes spontaneous non-alcoholic fatty liver disease (NAFLD). We show that hepatic XBP1 predominantly regulates the 12-hour rhythmicity of gene transcription in the mouse liver and demonstrate that perturbation of the 12-hour clock, but not the core circadian clock, is associated with the onset and progression of this NAFLD phenotype. Mechanistically, we provide evidence that the spliced form of XBP1 (XBP1s) binds to the hepatic 12-hour cistrome to directly regulate the 12-hour clock, with a periodicity paralleling the harmonic activation of the 12-hour oscillatory transcription of many rate-limiting metabolic genes known to have perturbations in human metabolic disease. Functionally, we show that Xbp1 ablation significantly reduces cellular membrane fluidity and impairs lipid homeostasis via rate-limiting metabolic processes in fatty acid monounsaturated and phospholipid remodeling pathways. These findings reveal that genetic disruption of the hepatic 12-hour clock links to the onset and progression of NAFLD development via transcriptional regulator XBP1, and demonstrate a role for XBP1 and the 12-hour clock in the modulation of phospholipid composition and the maintenance of lipid homeostasis.
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Affiliation(s)
- Huan Meng
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, 77030, USA
- Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Naomi M Gonzales
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, 77030, USA
| | - David M Lonard
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, 77030, USA
- Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Nagireddy Putluri
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, 77030, USA
- Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Bokai Zhu
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, 77030, USA
- Aging Institute of UPMC, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15219, USA
| | - Clifford C Dacso
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, 77030, USA
- Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX, 77030, USA
- Department of Medicine, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Brian York
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, 77030, USA.
- Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX, 77030, USA.
| | - Bert W O'Malley
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, 77030, USA.
- Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX, 77030, USA.
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20
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Xia W, Wang Y, Zhang Y, Ge X, Lv P, Cheng J, Wei J. Endoplasmic reticulum stress induces growth retardation by inhibiting growth hormone IGF-I axis. Growth Horm IGF Res 2020; 55:101341. [PMID: 32890915 DOI: 10.1016/j.ghir.2020.101341] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 08/10/2020] [Accepted: 08/11/2020] [Indexed: 12/25/2022]
Abstract
OBJECTIVE Insulin-like growth factor 1 (IGFI) is one of several growth factors which is induced by growth hormone (GH), which activates the Janus kinase 2 (JAK2)-signal transducer and activator of transcription 5 (STAT5) pathway, and plays crucial roles in normal human growth, metabolism, and systemic energy homeostasis. However, little is known about the negative regulation of IGF-I production under different physiological or pathological conditions. Herein, we explore whether activation of endoplasmic reticulum (ER) stress regulates IGF-I production and normal body growth. MATERIALS AND METHODS C57BL/6 J mice were challenged with tunicamycin (Tm) to induce ER stress activation. 24 h after stimulation, hepatic mRNA expression was analyzed by RNA-Seq and validated by qPCR. Enzyme-linked immunosorbent assay (ELISA) was performed 24 h after Tm stimulation. Body growth was determined 16 days after Tm stimulation. Animals were then sacrificed and liver tissues were collected for further analysis. RESULTS Mice challenged with Tm displayed a retardation of growth. Molecularly, we found that ER stress inhibited phosphorylation of STAT5. IGF-I transcription and circulating IGF-I were also dramatically decreased under ER stress activation. Moreover, our results demonstrate that IGF-I administration ameliorates Tm-induced growth retardation. CONCLUSIONS ER stress induces growth retardation. ER stress inhibits hepatic GH-JAK2 signaling activation and its downstream target gene expression. These results warrant further research to explore the crosstalk between ER stress and growth hormone signaling in improving body growth.
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Affiliation(s)
- Wanjun Xia
- Department of MRI, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China.
| | - Yajun Wang
- Department of Pediatrics, The First Affiliated Hospital of Harbin Medical University, Heilongjiang 150001, China
| | - Yong Zhang
- Department of MRI, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Xin Ge
- Department of Breast Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Pengwei Lv
- Department of Breast Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Jingliang Cheng
- Department of MRI, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China.
| | - Juncheng Wei
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
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21
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Diaz JE, Ahsen ME, Schaffter T, Chen X, Realubit RB, Karan C, Califano A, Losic B, Stolovitzky G. The transcriptomic response of cells to a drug combination is more than the sum of the responses to the monotherapies. eLife 2020; 9:52707. [PMID: 32945258 PMCID: PMC7546737 DOI: 10.7554/elife.52707] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Accepted: 08/17/2020] [Indexed: 12/13/2022] Open
Abstract
Our ability to discover effective drug combinations is limited, in part by insufficient understanding of how the transcriptional response of two monotherapies results in that of their combination. We analyzed matched time course RNAseq profiling of cells treated with single drugs and their combinations and found that the transcriptional signature of the synergistic combination was unique relative to that of either constituent monotherapy. The sequential activation of transcription factors in time in the gene regulatory network was implicated. The nature of this transcriptional cascade suggests that drug synergy may ensue when the transcriptional responses elicited by two unrelated individual drugs are correlated. We used these results as the basis of a simple prediction algorithm attaining an AUROC of 0.77 in the prediction of synergistic drug combinations in an independent dataset.
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Affiliation(s)
- Jennifer El Diaz
- Department of Genetics and Genomics Sciences, Icahn School of Medicine at Mount Sinai, New York, United States.,Department of Cell, Developmental, and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, United States.,IBM Computational Biology Center, IBM Research, Yorktown Heights, United States
| | - Mehmet Eren Ahsen
- Department of Genetics and Genomics Sciences, Icahn School of Medicine at Mount Sinai, New York, United States.,IBM Computational Biology Center, IBM Research, Yorktown Heights, United States.,Department of Business Administration, University of Illinois at Urbana-Champaign, Champaign, United States
| | - Thomas Schaffter
- Department of Genetics and Genomics Sciences, Icahn School of Medicine at Mount Sinai, New York, United States.,IBM Computational Biology Center, IBM Research, Yorktown Heights, United States
| | - Xintong Chen
- Department of Genetics and Genomics Sciences, Icahn School of Medicine at Mount Sinai, New York, United States
| | - Ronald B Realubit
- Department of Systems Biology, Columbia University, New York, United States.,Sulzberger Columbia Genome Center, High Throughput Screening Facility, Columbia University Medical Center, New York, United States
| | - Charles Karan
- Department of Systems Biology, Columbia University, New York, United States.,Sulzberger Columbia Genome Center, High Throughput Screening Facility, Columbia University Medical Center, New York, United States
| | - Andrea Califano
- Department of Systems Biology, Columbia University, New York, United States.,Department of Biomedical Informatics, Columbia University, New York, United States.,Department of Biochemistry and Molecular Biophysics, Columbia University, New York, United States.,Department of Medicine, Columbia University, New York, United States
| | - Bojan Losic
- Department of Genetics and Genomics Sciences, Icahn School of Medicine at Mount Sinai, New York, United States.,Tisch Cancer Institute, Cancer Immunology, Icahn School of Medicine at Mount Sinai, New York, United States.,Diabetes, Obesity and Metabolism Institute, Icahn School of Medicine at Mount Sinai, New York, United States.,Icahn Institute for Data Science and Genomic Technology, Icahn School of Medicine at Mount Sinai, New York, United States
| | - Gustavo Stolovitzky
- Department of Genetics and Genomics Sciences, Icahn School of Medicine at Mount Sinai, New York, United States.,IBM Computational Biology Center, IBM Research, Yorktown Heights, United States.,Department of Systems Biology, Columbia University, New York, United States.,Department of Biomedical Informatics, Columbia University, New York, United States
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22
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Fischer AW, Behrens J, Sass F, Schlein C, Heine M, Pertzborn P, Scheja L, Heeren J. Brown adipose tissue lipoprotein and glucose disposal is not determined by thermogenesis in uncoupling protein 1-deficient mice. J Lipid Res 2020; 61:1377-1389. [PMID: 32769145 DOI: 10.1194/jlr.ra119000455] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Adaptive thermogenesis is highly dependent on uncoupling protein 1 (UCP1), a protein expressed by thermogenic adipocytes present in brown adipose tissue (BAT) and white adipose tissue (WAT). Thermogenic capacity of human and mouse BAT can be measured by positron emission tomography-computed tomography quantifying the uptake of 18F-fluodeoxyglucose or lipid tracers. BAT activation is typically studied in response to cold exposure or treatment with β-3-adrenergic receptor agonists such as CL316,243 (CL). Currently, it is unknown whether cold-stimulated uptake of glucose or lipid tracers is a good surrogate marker of UCP1-mediated thermogenesis. In metabolic studies using radiolabeled tracers, we found that glucose uptake is increased in mildly cold-activated BAT of Ucp1 -/- versus WT mice kept at subthermoneutral temperature. Conversely, lower glucose disposal was detected after full thermogenic activation achieved by sustained cold exposure or CL treatment. In contrast, uptake of lipoprotein-derived fatty acids into chronically activated thermogenic adipose tissues was substantially increased in UCP1-deficient mice. This effect is linked to higher sympathetic tone in adipose tissues of Ucp1 -/- mice, as indicated by elevated levels of thermogenic genes in BAT and WAT. Thus, glucose and lipoprotein handling does not necessarily reflect UCP1-dependent thermogenic activity, but especially lipid uptake rather mirrors sympathetic activation of adipose tissues.
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Affiliation(s)
- Alexander W Fischer
- Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Janina Behrens
- Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Frederike Sass
- Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Christian Schlein
- Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Markus Heine
- Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Paul Pertzborn
- Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Ludger Scheja
- Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Joerg Heeren
- Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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23
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High T3 Induces β-Cell Insulin Resistance via Endoplasmic Reticulum Stress. Mediators Inflamm 2020; 2020:5287108. [PMID: 32774144 PMCID: PMC7396010 DOI: 10.1155/2020/5287108] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 06/05/2020] [Accepted: 06/20/2020] [Indexed: 12/20/2022] Open
Abstract
Hyperthyroidism can cause glucose metabolism disorders and insulin resistance. Insulin resistance in muscle and adipose tissues has been extensively studied, whereas investigations on β-cell insulin resistance are limited. This study preliminarily explored the effects of high T3 levels on β-cell line (MIN6) insulin resistance, as well as the roles of endoplasmic reticulum stress (ERS). In this study, we treated β-cell line with T3, with or without an inhibitor of phosphotyrosine phosphatases (PTPs, sodium vanadate) or ERS inhibitor (4-PBA). The results indicated that high levels of T3 significantly inhibited insulin secretion in β-cell line. In addition, we observed an upregulation of p-IRS-1ser307 and downregulation of Akt. These results can be corrected by sodium vanadate. Moreover, high T3 levels upregulate the ERS-related proteins PERK, IRE1, ATF6, and GRP78, as well as ERS-related apoptosis CHOP and caspase-12. Similarly, this change can be corrected by 4-PBA. These results suggest that high T3 levels can induce insulin resistance in β-cell line by activating ERS and the apoptotic pathway.
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24
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DNA Damage Response and Metabolic Reprogramming in Health and Disease. Trends Genet 2020; 36:777-791. [PMID: 32684438 DOI: 10.1016/j.tig.2020.06.018] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/29/2020] [Accepted: 06/30/2020] [Indexed: 01/08/2023]
Abstract
Nuclear DNA damage contributes to cellular malfunction and the premature onset of age-related diseases, including cancer. Until recently, the canonical DNA damage response (DDR) was thought to represent a collection of nuclear processes that detect, signal and repair damaged DNA. However, recent evidence suggests that beyond nuclear events, the DDR rewires an intricate network of metabolic circuits, fine-tunes protein synthesis, trafficking, and secretion as well as balances growth with defense strategies in response to genotoxic insults. In this review, we discuss how the active DDR signaling mobilizes extranuclear and systemic responses to promote cellular homeostasis and organismal survival in health and disease.
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25
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Pharmacologic inhibition of N-linked glycan trimming with kifunensine disrupts GLUT1 trafficking and glucose uptake. Biochimie 2020; 174:18-29. [PMID: 32298759 DOI: 10.1016/j.biochi.2020.04.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/26/2020] [Accepted: 04/06/2020] [Indexed: 02/06/2023]
Abstract
The facilitative glucose transport GLUT1 (SLC2A1) is a constitutively expressed membrane protein involved in basal uptake of blood glucose. GLUT1 modification by N-linked glycosylation at a single asparagine residue (N45) appears to play multiple roles in the trafficking, stability and transport activity of this protein. Here we examine the role of complex N-glycosylation on GLUT1 function in renal epithelial cells by arresting this modification at the high-mannose stage with the mannosidase I inhibitor kifunensine. Consistent with prior work in which GLUT1 glycosylation was completely inhibited, we find that kifunensine treatment results in a time-dependent decrease of up to 40% in cellular glucose uptake. We further demonstrate that this effect is primarily a result of deficient GLUT1 trafficking to the cell membrane due to quality control mechanisms that instead direct GLUT1 to the ER-associated degradation (ERAD) pathway. Unlike tunicamycin, which inhibits the first step in N-glycosyl transfer and causes dramatic cell cycle arrest, kifunensine causes only a modest decrease in GLUT1 levels and cell cycle progression in both normal and transformed renal cells. The effect of kifunensine on the cell cycle appears to be independent of its effect on GLUT1, since all renal cell types in this study displayed decreased proliferation regardless of their dependence on glucose uptake for growth and survival. Together these results indicate that proper N-glycan processing plays an important role in directing GLUT1 to the cell surface and that disruption of mannosidase activity results in aberrant degradation of GLUT1 by the ERAD pathway.
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26
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Callender LA, Carroll EC, Bober EA, Akbar AN, Solito E, Henson SM. Mitochondrial mass governs the extent of human T cell senescence. Aging Cell 2020; 19:e13067. [PMID: 31788930 PMCID: PMC6996952 DOI: 10.1111/acel.13067] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 09/17/2019] [Accepted: 10/17/2019] [Indexed: 12/21/2022] Open
Abstract
The susceptibility of human CD4+ and CD8+ T cells to senesce differs, with CD8+ T cells acquiring an immunosenescent phenotype faster than the CD4+ T cell compartment. We show here that it is the inherent difference in mitochondrial content that drives this phenotype, with senescent human CD4+ T cells displaying a higher mitochondrial mass. The loss of mitochondria in the senescent human CD8+ T cells has knock-on consequences for nutrient usage, metabolism and function. Senescent CD4+ T cells uptake more lipid and glucose than their CD8+ counterparts, leading to a greater metabolic versatility engaging either an oxidative or a glycolytic metabolism. The enhanced metabolic advantage of senescent CD4+ T cells allows for more proliferation and migration than observed in the senescent CD8+ subset. Mitochondrial dysfunction has been linked to both cellular senescence and aging; however, it is still unclear whether mitochondria play a causal role in senescence. Our data show that reducing mitochondrial function in human CD4+ T cells, through the addition of low-dose rotenone, causes the generation of a CD4+ T cell with a CD8+ -like phenotype. Therefore, we wish to propose that it is the inherent metabolic stability that governs the susceptibility to an immunosenescent phenotype.
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Affiliation(s)
- Lauren A. Callender
- Translational Medicine and TherapeuticsWilliam Harvey Research InstituteBarts and The London School of Medicine and DentistryQueen Mary University of LondonLondonUK
| | - Elizabeth C. Carroll
- Translational Medicine and TherapeuticsWilliam Harvey Research InstituteBarts and The London School of Medicine and DentistryQueen Mary University of LondonLondonUK
- Department of Life SciencesIT SligoSligoIreland
| | - Emilia A. Bober
- Translational Medicine and TherapeuticsWilliam Harvey Research InstituteBarts and The London School of Medicine and DentistryQueen Mary University of LondonLondonUK
| | - Arne N. Akbar
- Division of Infection and ImmunityDepartment of ImmunologyUniversity College LondonLondonUK
| | - Egle Solito
- Translational Medicine and TherapeuticsWilliam Harvey Research InstituteBarts and The London School of Medicine and DentistryQueen Mary University of LondonLondonUK
| | - Sian M. Henson
- Translational Medicine and TherapeuticsWilliam Harvey Research InstituteBarts and The London School of Medicine and DentistryQueen Mary University of LondonLondonUK
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27
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Saavedra-García P, Martini F, Auner HW. Proteasome inhibition in multiple myeloma: lessons for other cancers. Am J Physiol Cell Physiol 2019; 318:C451-C462. [PMID: 31875696 DOI: 10.1152/ajpcell.00286.2019] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Cellular protein homeostasis (proteostasis) depends on the controlled degradation of proteins that are damaged or no longer required by the ubiquitin-proteasome system (UPS). The 26S proteasome is the principal executer of substrate-specific proteolysis in eukaryotic cells and regulates a myriad of cellular functions. Proteasome inhibitors were initially developed as chemical tools to study proteasomal function but rapidly became widely used anticancer drugs that are now used at all stages of treatment for the bone marrow cancer multiple myeloma (MM). Here, we review the mechanisms of action of proteasome inhibitors that underlie their preferential toxicity to MM cells, focusing on endoplasmic reticulum stress, depletion of amino acids, and effects on glucose and lipid metabolism. We also discuss mechanisms of resistance to proteasome inhibition such as autophagy and metabolic rewiring and what lessons we may learn from the success and failure of proteasome inhibition in MM for treating other cancers with proteostasis-targeting drugs.
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Affiliation(s)
- Paula Saavedra-García
- Cancer Cell Metabolism Group, Hugh and Josseline Langmuir Centre for Myeloma Research, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Francesca Martini
- Department of Translational Research on New Technologies in Medicine and Surgery, Hematology Unit, Ospedale Santa Chiara, Pisa, Italy
| | - Holger W Auner
- Cancer Cell Metabolism Group, Hugh and Josseline Langmuir Centre for Myeloma Research, Faculty of Medicine, Imperial College London, London, United Kingdom
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28
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Rahmani S, Defferrari MS, Wakarchuk WW, Antonescu CN. Energetic adaptations: Metabolic control of endocytic membrane traffic. Traffic 2019; 20:912-931. [DOI: 10.1111/tra.12705] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 09/11/2019] [Accepted: 10/13/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Sadia Rahmani
- Department of Chemistry and BiologyRyerson University Toronto Ontario Canada
| | | | - Warren W. Wakarchuk
- Department of Chemistry and BiologyRyerson University Toronto Ontario Canada
- Department of Biological SciencesUniversity of Alberta Edmonton Alberta Canada
| | - Costin N. Antonescu
- Department of Chemistry and BiologyRyerson University Toronto Ontario Canada
- Keenan Research Centre for Biomedical Science of St. Michael's Hospital Toronto Ontario Canada
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29
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Sarkar Bhattacharya S, Thirusangu P, Jin L, Roy D, Jung D, Xiao Y, Staub J, Roy B, Molina JR, Shridhar V. PFKFB3 inhibition reprograms malignant pleural mesothelioma to nutrient stress-induced macropinocytosis and ER stress as independent binary adaptive responses. Cell Death Dis 2019; 10:725. [PMID: 31562297 PMCID: PMC6764980 DOI: 10.1038/s41419-019-1916-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 07/29/2019] [Accepted: 08/09/2019] [Indexed: 12/14/2022]
Abstract
The metabolic signatures of cancer cells are often associated with elevated glycolysis. Pharmacological (PFK158 treatment) and genetic inhibition of 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 3 (PFKFB3), a critical control point in the glycolytic pathway, decreases glucose uptake, ATP production, and lactate dehydrogenase activity and arrests malignant pleural mesothelioma (MPM) cells in the G0/G1 phase to induce cell death. To overcome this nutrient stress, inhibition of PFKFB3 activity led to an escalation in endoplasmic reticulum (ER) activity and aggravated ER stress mostly by upregulating BiP and GADD153 expression and activation of the endocytic Rac1-Rab5-Rab7 pathway resulting in a unique form of cell death called “methuosis” in both the sarcomatoid (H28) and epithelioid (EMMeso) cells. Transmission electron microscopy (TEM) analysis showed the formation of nascent macropinocytotic vesicles, which rapidly coalesced to form large vacuoles with compromised lysosomal function. Both immunofluorescence microscopy and co-immunoprecipitation analyses revealed that upon PFKFB3 inhibition, two crucial biomolecules of each pathway, Rac1 and Calnexin interact with each other. Finally, PFK158 alone and in combination with carboplatin-inhibited tumorigenesis of EMMeso xenografts in vivo. Since most cancer cells exhibit an increased glycolytic rate, these results provide evidence for PFK158, in combination with standard chemotherapy, may have a potential in the treatment of MPM.
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Affiliation(s)
- Sayantani Sarkar Bhattacharya
- Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA.,Department of Medical Oncology, Mayo Clinic, Rochester, MN, USA
| | - Prabhu Thirusangu
- Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA
| | - Ling Jin
- Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA
| | - Debarshi Roy
- Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA
| | - Deokbeom Jung
- Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA
| | - Yinan Xiao
- Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA
| | - Julie Staub
- Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA
| | - Bhaskar Roy
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Julian R Molina
- Department of Medical Oncology, Mayo Clinic, Rochester, MN, USA.
| | - Viji Shridhar
- Department of Experimental Pathology and Laboratory Medicine, Mayo Clinic, Rochester, MN, USA.
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30
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Wu L, Huang X, Kuang Y, Xing Z, Deng X, Luo Z. Thapsigargin induces apoptosis in adrenocortical carcinoma by activating endoplasmic reticulum stress and the JNK signaling pathway: an in vitro and in vivo study. DRUG DESIGN DEVELOPMENT AND THERAPY 2019; 13:2787-2798. [PMID: 31496655 PMCID: PMC6697672 DOI: 10.2147/dddt.s209947] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 07/25/2019] [Indexed: 12/14/2022]
Abstract
Objective Thapsigargin (TG) is a natural product that exists in most parts of the plant Thapsia garganica L. and possesses potential anticancer activities against variety tumor cell lines. TG induces endoplasmic reticulum (ER) stress and apoptosis by inhibiting cancer growth. However, the antineoplastic effect of TG in human adrenocortical carcinoma (ACC) cells is still unknown. Methods In this study, two human ACC cell lines including SW-13 and NCI-H295R were employed to explore the potential role of TG in ACC. A mouse xenograft model of SW-13 cells was established to verify the role of TG in vivo. The cell viability was tested using Cell Counting Kit-8 and Transwell assays. Flow cytometry and Hoechst 33,258 staining were employed to analyze cell apoptosis. RT-qPCR and Western blot (WB) were performed to explore the underlying mechanism of TG-induced apoptosis in ACC cells. Results The results indicated that TG dose-dependently inhibited proliferation, migration and invasion in human ACC cells. TG significantly increased the mitochondrial rate of apoptosis and ER stress activity in ACC cells and suppressed ACC xenograft growth in vivo. In addition, the expression of Jun N-terminal kinase (JNK) signaling-related genes and proteins was upregulated by the treatment with TG. Conclusion Our findings suggest that TG inhibits the viability of ACC cells by inducing apoptosis through the activation of JNK signaling. Thus, TG is expected to be a potential candidate for the treatment of ACC.
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Affiliation(s)
- Lili Wu
- Department of Integrated Medicine, The Affiliated Tumor Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Xuemei Huang
- Department of Endocrinology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Yaqi Kuang
- Department of Endocrinology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Zengmiao Xing
- Department of Endocrinology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Xiujun Deng
- Department of Endocrinology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Zuojie Luo
- Department of Endocrinology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
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31
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Michaletti A, Mancini M, Smirnov A, Candi E, Melino G, Zolla L. Multi-omics profiling of calcium-induced human keratinocytes differentiation reveals modulation of unfolded protein response signaling pathways. Cell Cycle 2019; 18:2124-2140. [PMID: 31291818 DOI: 10.1080/15384101.2019.1642066] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
By proteomic, metabolomic and transcriptomic approaches we shed light on the molecular mechanism by which human keratinocytes undergo to terminal differentiation upon in vitro calcium treatment. Proteomic analysis revealed a selective induction of the ribosomal proteins RSSA, an inhibitor of cell proliferation and inducer of differentiation, HSP 60, a protein folding chaperone and GRP78, an unfolding protein response signal. Additionally, we observed an induction of EF1D, a transcription factor for genes that contain heat-shock responsive elements. Conversely, RAD23, a protein involved in regulating ER-associated protein degradation was down-regulated. All these modifications indicated an ER stress response, which in turn activated the unfolded protein response signaling pathway through ATF4, as confirmed both by the modulation of amino acids metabolism genes, such as XBP1, PDI and GPR78, and by the metabolomic analysis. Finally, we detected a reduction of PDI protein, as confirmed by the increase of oxidized glutathione. Metabolome analysis indicated that glycolysis failed to fuel the Krebs cycle, which continued to decrease during differentiation, at glance with the PPP pathway, allowing NADH production and glutathione reduction. Since unfolded protein response is linked to keratinization, these results may be useful for studying pathological mechanisms as well as potential treatments for different pathological conditions. Abbreviation: UPR, unfolded protein response; HEK, human epidermal keratinocytes; HKGS, human keratinocytes growth factor.
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Affiliation(s)
- Anna Michaletti
- a Department of Ecological and Biological Sciences (DEB), University of Tuscia , Viterbo , Italy
| | - Mara Mancini
- b Biochemistry Laboratory, Istituto Dermopatico dell'Immacolata, IDI-IRCCS , Rome , Italy
| | - Artem Smirnov
- c Department of Experimental Medicine, University of Rome "Tor Vergata" , Rome , Italy
| | - Eleonora Candi
- b Biochemistry Laboratory, Istituto Dermopatico dell'Immacolata, IDI-IRCCS , Rome , Italy.,c Department of Experimental Medicine, University of Rome "Tor Vergata" , Rome , Italy
| | - Gerry Melino
- c Department of Experimental Medicine, University of Rome "Tor Vergata" , Rome , Italy.,d MRC Toxicology Unit, Cambridge University , Leicester , UK
| | - Lello Zolla
- e Agriculture and Forest Sciences (DAFNE), University of Tuscia , Viterbo , Italy
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32
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Morais Mewes J, Rodrigues Silva Gasparin F, Yoshida T, Amâncio Daniel da Silva M, Raquel Marçal Natali M, Francisco Veiga Bizerra P, Sayuri Utsunomiya K, Hideo Gilglioni E, Shigueaki Mito M, Cristiane Mantovanelli G, Thais Lima de Souza B, Makiyama Klosowski E, Luiza Ishii-Iwamoto E, Constantin J, Polimeni Constantin R. The Role of Mitochondria in Sex-Dependent Differences in Hepatic Steatosis and Oxidative Stress in Response to Cafeteria Diet-Induced Obesity in Mice. Nutrients 2019; 11:E1618. [PMID: 31315289 PMCID: PMC6682896 DOI: 10.3390/nu11071618] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 06/03/2019] [Accepted: 07/11/2019] [Indexed: 12/30/2022] Open
Abstract
Female mice fed a cafeteria diet (FCaf) develop higher liver steatosis and oxidative stress than males (MCaf) as a consequence of unresolved ER stress. Here, we investigated whether mitochondria play a role in this sex difference. The isolated mitochondria from FCaf showed more signs of oxidative stress than those of MCaf, correlated with a reduced content of GSH, increased amount of reactive oxygen species (ROS), and lower activities of enzymes involved in ROS neutralisation. Mitochondria from FCaf and MCaf livers exhibited lower rates of succinate-driven state III respiration and reduced ATPase activity in intact coupled mitochondria compared to their controls fed a standard diet (FC and MC), with no differences between the sexes. Fatty acid oxidation in mitochondria and peroxisomes was higher in MCaf and FCaf compared to their respective controls. In the intact perfused liver, there was no difference between sex or diet regarding the fatty acid oxidation rate. These results indicated that cafeteria diet did not affect mitochondrial energy metabolism, even in FCaf livers, which have higher steatosis and cellular oxidative stress. Nevertheless, the increase in mitochondrial ROS generation associated with a decrease in the antioxidant defence capacity, probably contributes to inducing or reinforcing the ER stress in FCaf livers.
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Affiliation(s)
- Juliana Morais Mewes
- Department of Biochemistry, Laboratory of Biological Oxidations and Laboratory of Experimental Steatosis, State University of Maringá, Maringá 87020-900, Paraná, Brazil
| | - Fabiana Rodrigues Silva Gasparin
- Department of Biochemistry, Laboratory of Biological Oxidations and Laboratory of Experimental Steatosis, State University of Maringá, Maringá 87020-900, Paraná, Brazil
| | - Tiago Yoshida
- Department of Biochemistry, Laboratory of Biological Oxidations and Laboratory of Experimental Steatosis, State University of Maringá, Maringá 87020-900, Paraná, Brazil
| | - Mariana Amâncio Daniel da Silva
- Department of Biochemistry, Laboratory of Biological Oxidations and Laboratory of Experimental Steatosis, State University of Maringá, Maringá 87020-900, Paraná, Brazil
| | - Maria Raquel Marçal Natali
- Department of Morphophysiological Sciences, State University of Maringá, Maringá 87020-900, Paraná, Brazil
| | - Paulo Francisco Veiga Bizerra
- Department of Biochemistry, Laboratory of Biological Oxidations and Laboratory of Experimental Steatosis, State University of Maringá, Maringá 87020-900, Paraná, Brazil
| | - Karina Sayuri Utsunomiya
- Department of Biochemistry, Laboratory of Biological Oxidations and Laboratory of Experimental Steatosis, State University of Maringá, Maringá 87020-900, Paraná, Brazil
| | - Eduardo Hideo Gilglioni
- Department of Biochemistry, Laboratory of Biological Oxidations and Laboratory of Experimental Steatosis, State University of Maringá, Maringá 87020-900, Paraná, Brazil
| | - Marcio Shigueaki Mito
- Department of Biochemistry, Laboratory of Biological Oxidations and Laboratory of Experimental Steatosis, State University of Maringá, Maringá 87020-900, Paraná, Brazil
| | - Gislaine Cristiane Mantovanelli
- Department of Biochemistry, Laboratory of Biological Oxidations and Laboratory of Experimental Steatosis, State University of Maringá, Maringá 87020-900, Paraná, Brazil
| | - Byanca Thais Lima de Souza
- Department of Biochemistry, Laboratory of Biological Oxidations and Laboratory of Experimental Steatosis, State University of Maringá, Maringá 87020-900, Paraná, Brazil
| | - Eduardo Makiyama Klosowski
- Department of Biochemistry, Laboratory of Biological Oxidations and Laboratory of Experimental Steatosis, State University of Maringá, Maringá 87020-900, Paraná, Brazil
| | - Emy Luiza Ishii-Iwamoto
- Department of Biochemistry, Laboratory of Biological Oxidations and Laboratory of Experimental Steatosis, State University of Maringá, Maringá 87020-900, Paraná, Brazil
| | - Jorgete Constantin
- Department of Biochemistry, Laboratory of Biological Oxidations and Laboratory of Experimental Steatosis, State University of Maringá, Maringá 87020-900, Paraná, Brazil
| | - Rodrigo Polimeni Constantin
- Department of Biochemistry, Laboratory of Biological Oxidations and Laboratory of Experimental Steatosis, State University of Maringá, Maringá 87020-900, Paraná, Brazil.
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Metabolic perturbations and cellular stress underpin susceptibility to symptomatic live-attenuated yellow fever infection. Nat Med 2019; 25:1218-1224. [PMID: 31308506 DOI: 10.1038/s41591-019-0510-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Accepted: 05/20/2019] [Indexed: 12/19/2022]
Abstract
Flaviviral infections result in a wide spectrum of clinical outcomes, ranging from asymptomatic infection to severe disease. Although the correlates of severe disease have been explored1-4, the pathophysiology that differentiates symptomatic from asymptomatic infection remains undefined. To understand the molecular underpinnings of symptomatic infection, the blood transcriptomic and metabolomic profiles of individuals were examined before and after inoculation with the live yellow fever viral vaccine (YF17D). It was found that individuals with adaptive endoplasmic reticulum (ER) stress and reduced tricarboxylic acid cycle activity at baseline showed increased susceptibility to symptomatic outcome. YF17D infection in these individuals induced maladaptive ER stress, triggering downstream proinflammatory responses that correlated with symptomatic outcome. The findings of the present study thus suggest that the ER stress response and immunometabolism underpin symptomatic yellow fever and possibly even other flaviviral infections. Modulating either ER stress or metabolism could be exploited for prophylaxis against symptomatic flaviviral infection outcome.
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Shen Z, Chen J, Lu H. Osthole induced apoptosis in human normal liver cells by regulating cell proliferation and endoplasmic reticulum stress. ENVIRONMENTAL TOXICOLOGY 2019; 34:768-776. [PMID: 30848542 DOI: 10.1002/tox.22743] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 02/13/2019] [Accepted: 02/17/2019] [Indexed: 06/09/2023]
Abstract
Osthole (Ost) is often used in treatment for cancer, inflammation and rheumatism in clinic. However, Ost-induced liver injury has been reported. In this study, we aim to investigate the possible mechanism of Ost-induced hepatotoxicity in human normal liver cells (L02). When cells were exposed to Ost, the cell viability was decreased and apoptosis rate increased, the intracellular markers of oxidative stress were changed. Simultaneously, Ost altered apoptotic related proteins levels, including Bcl-2, Bax, Cleaved-Caspase-9/-8/-3, and Pro-Caspase-3/-8. In addition, Ost enhanced the levels of endoplasmic reticulum (ER) stress proteins (GRP78/Bip, CHOP, Caspase-4, IRE1α, PERK, JNK, P-JNK, and ATF4), decreased the cell proliferation and cycle-associated protein (Phospho-Histone H3, P-Cdc25C, Cdc25C, P-Cdc2, Cdc2, and Cyclin B1) level. The results show that Ost has toxic effects on L02 cells. Furthermore, it induces apoptosis by inhibiting cell proliferation, arresting cell cycle at the G2/M phase and activating ER stress.
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Affiliation(s)
- Zhelun Shen
- Department of Pharmacology, Zhejiang Chinese Medical University, Hangzhou, China
| | - Jie Chen
- Department of Pharmacology, Zhejiang Chinese Medical University, Hangzhou, China
| | - Hong Lu
- Department of Pharmacology, Zhejiang Chinese Medical University, Hangzhou, China
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35
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Rimessi A, Pedriali G, Vezzani B, Tarocco A, Marchi S, Wieckowski MR, Giorgi C, Pinton P. Interorganellar calcium signaling in the regulation of cell metabolism: A cancer perspective. Semin Cell Dev Biol 2019; 98:167-180. [PMID: 31108186 DOI: 10.1016/j.semcdb.2019.05.015] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 05/13/2019] [Accepted: 05/14/2019] [Indexed: 01/22/2023]
Abstract
Organelles were originally considered to be individual cellular compartments with a defined organization and function. However, recent studies revealed that organelles deeply communicate within each other via Ca2+ exchange. This communication, mediated by specialized membrane regions in close apposition between two organelles, regulate cellular functions, including metabolism and cell fate decisions. Advances in microscopy techniques, molecular biology and biochemistry have increased our understanding of these interorganelle platforms. Research findings suggest that interorganellar Ca2+ signaling, which is altered in cancer, influences tumorigenesis and tumor progression by controlling cell death programs and metabolism. Here, we summarize the available data on the existence and composition of interorganelle platforms connecting the endoplasmic reticulum with mitochondria, the plasma membrane, or endolysosomes. Finally, we provide a timely overview of the potential function of interorganellar Ca2+ signaling in maintaining cellular homeostasis.
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Affiliation(s)
- Alessandro Rimessi
- Dept. of Morphology, Surgery and Experimental Medicine, Section of Pathology, Oncology and Experimental Biology and Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, 44121 Ferrara, Italy.
| | - Gaia Pedriali
- Dept. of Morphology, Surgery and Experimental Medicine, Section of Pathology, Oncology and Experimental Biology and Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, 44121 Ferrara, Italy
| | - Bianca Vezzani
- Dept. of Morphology, Surgery and Experimental Medicine, Section of Pathology, Oncology and Experimental Biology and Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, 44121 Ferrara, Italy
| | - Anna Tarocco
- Dept. of Morphology, Surgery and Experimental Medicine, Section of Pathology, Oncology and Experimental Biology and Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, 44121 Ferrara, Italy; Neonatal Intensive Care Unit, University Hospital S. Anna Ferrara, 44124 Ferrara, Italy
| | - Saverio Marchi
- Dept. of Clinical and Molecular Sciences, Polytechnical University of Marche, 60126 Ancona, Italy
| | | | - Carlotta Giorgi
- Dept. of Morphology, Surgery and Experimental Medicine, Section of Pathology, Oncology and Experimental Biology and Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, 44121 Ferrara, Italy
| | - Paolo Pinton
- Dept. of Morphology, Surgery and Experimental Medicine, Section of Pathology, Oncology and Experimental Biology and Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, 44121 Ferrara, Italy; Maria Cecilia Hospital, GVM Care & Research, 48033 Cotignola, Ravenna, Italy.
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36
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Moreno-Altamirano MMB, Kolstoe SE, Sánchez-García FJ. Virus Control of Cell Metabolism for Replication and Evasion of Host Immune Responses. Front Cell Infect Microbiol 2019; 9:95. [PMID: 31058096 PMCID: PMC6482253 DOI: 10.3389/fcimb.2019.00095] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 03/22/2019] [Indexed: 12/11/2022] Open
Abstract
Over the last decade, there has been significant advances in the understanding of the cross-talk between metabolism and immune responses. It is now evident that immune cell effector function strongly depends on the metabolic pathway in which cells are engaged in at a particular point in time, the activation conditions, and the cell microenvironment. It is also clear that some metabolic intermediates have signaling as well as effector properties and, hence, topics such as immunometabolism, metabolic reprograming, and metabolic symbiosis (among others) have emerged. Viruses completely rely on their host's cell energy and molecular machinery to enter, multiply, and exit for a new round of infection. This review explores how viruses mimic, exploit or interfere with host cell metabolic pathways and how, in doing so, they may evade immune responses. It offers a brief outline of key metabolic pathways, mitochondrial function and metabolism-related signaling pathways, followed by examples of the mechanisms by which several viral proteins regulate host cell metabolic activity.
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Affiliation(s)
- María Maximina B Moreno-Altamirano
- Laboratorio de Inmunorregulación, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico
| | - Simon E Kolstoe
- School of Health Sciences, University of Portsmouth, Portsmouth, United Kingdom
| | - Francisco Javier Sánchez-García
- Laboratorio de Inmunorregulación, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico
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37
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Watch What You (Self-) Eat: Autophagic Mechanisms that Modulate Metabolism. Cell Metab 2019; 29:803-826. [PMID: 30943392 PMCID: PMC6450419 DOI: 10.1016/j.cmet.2019.03.003] [Citation(s) in RCA: 188] [Impact Index Per Article: 37.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 02/07/2019] [Accepted: 03/04/2019] [Indexed: 02/07/2023]
Abstract
Autophagy is an evolutionarily conserved lysosome- or vacuole-dependent catabolic pathway in eukaryotes. Autophagy functions basally for cellular quality control and is induced to act as an alternative source of basic metabolites during nutrient deprivation. These functions of autophagy are intimately connected to the regulation of metabolism, and the metabolic status of the cell in turn controls the nature and extent of autophagic induction. Here, we highlight the co-regulation of autophagy and metabolism with a special focus on selective autophagy that, along with bulk autophagy, plays a central role in regulating and rewiring metabolic circuits. We outline the metabolic signals that activate these pathways, the mechanisms involved, and the downstream effects and implications while recognizing yet unanswered questions. We also discuss the role of autophagy in the development and maintenance of adipose tissue, an emerging player in systemic metabolic homeostasis, and describe what is currently known about the complex relationship between autophagy and cancer.
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38
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Shen C, Jiang T, Zhu B, Le Y, Liu J, Qin Z, Chen H, Zhong G, Zheng L, Zhao J, Zhang X. In vitro culture expansion impairs chondrogenic differentiation and the therapeutic effect of mesenchymal stem cells by regulating the unfolded protein response. J Biol Eng 2018; 12:26. [PMID: 30479659 PMCID: PMC6245887 DOI: 10.1186/s13036-018-0119-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 11/06/2018] [Indexed: 02/07/2023] Open
Abstract
In vitro expansion of mesenchymal stem cells (MSCs) has been implicated in loss of multipotency, leading to impaired chondrogenic potential and an eventual therapeutic effect, as reported in our previous study. However, the precise regulatory mechanism is still unclear. Here, we demonstrate that endoplasmic reticulum (ER) stress and the unfolded protein response (UPR) were involved in transformation of MSCs induced by in vitro culture based on the comparative profiling of in vitro cultured bone marrow MSCs at passage 3 (P3 BMSCs) vs. fresh P0 BMSCs by microarray analysis. Indeed, RT-PCR and Western blot analysis showed significantly lower expression levels of three key UPR-related molecules, ATF4, ATF6 and XBP1, in P3 BMSCs than P0 BMSCs. Further, we found that UPR suppression by 4-phenylbutyrate (4-PBA) reduced the chondrogenic potential of P0 BMSCs and further cartilage regeneration. Conversely, UPR induction by tunicamycin (TM) enhanced the chondrogenic differentiation of P3 BMSCs and the therapeutic effect on cartilage repair. Thus, the decline in the chondrogenic potential of stem cells after in vitro culture and expansion may be due to changes in ER stress and the UPR pathway.
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Affiliation(s)
- Chong Shen
- 1Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, Guangxi Collaborative Innovation Center for Biomedicine, Life Sciences Institute, Guangxi Medical University, Nanning, 530021 China.,2Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Tongmeng Jiang
- 1Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, Guangxi Collaborative Innovation Center for Biomedicine, Life Sciences Institute, Guangxi Medical University, Nanning, 530021 China.,2Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Bo Zhu
- 1Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, Guangxi Collaborative Innovation Center for Biomedicine, Life Sciences Institute, Guangxi Medical University, Nanning, 530021 China
| | - Yiguan Le
- 1Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, Guangxi Collaborative Innovation Center for Biomedicine, Life Sciences Institute, Guangxi Medical University, Nanning, 530021 China.,2Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Jianwei Liu
- 1Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, Guangxi Collaborative Innovation Center for Biomedicine, Life Sciences Institute, Guangxi Medical University, Nanning, 530021 China
| | - Zainen Qin
- 1Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, Guangxi Collaborative Innovation Center for Biomedicine, Life Sciences Institute, Guangxi Medical University, Nanning, 530021 China
| | - Haimin Chen
- 1Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, Guangxi Collaborative Innovation Center for Biomedicine, Life Sciences Institute, Guangxi Medical University, Nanning, 530021 China
| | - Gang Zhong
- 1Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, Guangxi Collaborative Innovation Center for Biomedicine, Life Sciences Institute, Guangxi Medical University, Nanning, 530021 China.,2Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Li Zheng
- 1Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, Guangxi Collaborative Innovation Center for Biomedicine, Life Sciences Institute, Guangxi Medical University, Nanning, 530021 China
| | - Jinmin Zhao
- 1Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, Guangxi Collaborative Innovation Center for Biomedicine, Life Sciences Institute, Guangxi Medical University, Nanning, 530021 China.,2Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China.,3Guangxi Key Laboratory of Regenerative Medicine, International Joint Laboratory on Regeneration of Bone and Soft Tissue, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
| | - Xingdong Zhang
- 4National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064 China
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39
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Rothenberg DA, Taliaferro JM, Huber SM, Begley TJ, Dedon PC, White FM. A Proteomics Approach to Profiling the Temporal Translational Response to Stress and Growth. iScience 2018; 9:367-381. [PMID: 30466063 PMCID: PMC6249402 DOI: 10.1016/j.isci.2018.11.004] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 09/19/2018] [Accepted: 11/01/2018] [Indexed: 02/06/2023] Open
Abstract
To quantify dynamic protein synthesis rates, we developed MITNCAT, a method combining multiplexed isobaric mass tagging with pulsed SILAC (pSILAC) and bio-orthogonal non-canonical amino acid tagging (BONCAT) to label newly synthesized proteins with azidohomoalanine (Aha), thus enabling high temporal resolution across multiple conditions in a single analysis. MITNCAT quantification of protein synthesis rates following induction of the unfolded protein response revealed global down-regulation of protein synthesis, with stronger down-regulation of glycolytic and protein synthesis machinery proteins, but up-regulation of several key chaperones. Waves of temporally distinct protein synthesis were observed in response to epidermal growth factor, with altered synthesis detectable in the first 15 min. Comparison of protein synthesis with mRNA sequencing and ribosome footprinting distinguished protein synthesis driven by increased transcription versus increased translational efficiency. Temporal delays between ribosome occupancy and protein synthesis were observed and found to correlate with altered codon usage in significantly delayed proteins. MITNCAT combines BONCAT, pSILAC, and TMT to quantify protein synthesis rates MITNCAT quantified up-regulation of protein folding chaperones during the UPR MITNCAT revealed EGF-driven protein synthesis in four distinct temporal waves MITNCAT identified delayed synthesis proteins with enriched rare codons
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Affiliation(s)
- Daniel A Rothenberg
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; The Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - J Matthew Taliaferro
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Department of Biochemistry and Molecular Genetics, University of Colorado School of Medicine, Aurora, CO 80045, USA; RNA Bioscience Initiative, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Sabrina M Huber
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Thomas J Begley
- College of Nanoscale Science and Engineering, State University of New York, Albany, NY 12203, USA
| | - Peter C Dedon
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Infectious Disease IRG, Singapore-MIT Alliance for Research and Technology, Singapore, Singapore
| | - Forest M White
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; The Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Center for Precision Cancer Medicine, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
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40
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Rendleman J, Cheng Z, Maity S, Kastelic N, Munschauer M, Allgoewer K, Teo G, Zhang YBM, Lei A, Parker B, Landthaler M, Freeberg L, Kuersten S, Choi H, Vogel C. New insights into the cellular temporal response to proteostatic stress. eLife 2018; 7:39054. [PMID: 30272558 PMCID: PMC6185107 DOI: 10.7554/elife.39054] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Accepted: 09/28/2018] [Indexed: 12/13/2022] Open
Abstract
Maintaining a healthy proteome involves all layers of gene expression regulation. By quantifying temporal changes of the transcriptome, translatome, proteome, and RNA-protein interactome in cervical cancer cells, we systematically characterize the molecular landscape in response to proteostatic challenges. We identify shared and specific responses to misfolded proteins and to oxidative stress, two conditions that are tightly linked. We reveal new aspects of the unfolded protein response, including many genes that escape global translation shutdown. A subset of these genes supports rerouting of energy production in the mitochondria. We also find that many genes change at multiple levels, in either the same or opposing directions, and at different time points. We highlight a variety of putative regulatory pathways, including the stress-dependent alternative splicing of aminoacyl-tRNA synthetases, and protein-RNA binding within the 3’ untranslated region of molecular chaperones. These results illustrate the potential of this information-rich resource.
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Affiliation(s)
- Justin Rendleman
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, United States
| | - Zhe Cheng
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, United States
| | - Shuvadeep Maity
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, United States
| | - Nicolai Kastelic
- Berlin Institute for Medical Systems Biology, Max Delbrück Center for Molecular Medicine, Berlin, Germany
| | - Mathias Munschauer
- Berlin Institute for Medical Systems Biology, Max Delbrück Center for Molecular Medicine, Berlin, Germany
| | - Kristina Allgoewer
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, United States
| | - Guoshou Teo
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, United States
| | - Yun Bin Matteo Zhang
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, United States
| | - Amy Lei
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, United States
| | - Brian Parker
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, United States
| | - Markus Landthaler
- Berlin Institute for Medical Systems Biology, Max Delbrück Center for Molecular Medicine, Berlin, Germany.,Integrative Research Institute for the Life Sciences, Institute of Biology, Humboldt University, Berlin, Germany
| | | | | | - Hyungwon Choi
- National University of Singapore, Singapore.,Institute of Molecular and Cell Biology, Agency for Science, Technology and Research, Singapore
| | - Christine Vogel
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, United States
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41
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Yang F, Wei Y, Liao B, Wei G, Qin H, Pang X, Wang J. Lycium barbarum polysaccharide prevents cisplatin-induced MLTC-1 cell apoptosis and autophagy via regulating endoplasmic reticulum stress pathway. DRUG DESIGN DEVELOPMENT AND THERAPY 2018; 12:3211-3219. [PMID: 30288025 PMCID: PMC6163019 DOI: 10.2147/dddt.s176316] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Background Lycium barbarum polysaccharide (LBP) has been reported to contribute to the recovery of male hypogonadism and infertility. Aim The aim of current study was to investigate the underlying mechanisms of LBP on male infertility recovery. Methods Recently, it is reported that cell apoptosis mediated by endoplasmic reticulum stress (ERS) was distinguished from that mediated by death reporters and mitochondria pathway, which could induce cell apoptosis independently. The possible signaling mechanisms were investigated using diversified molecular biology techniques, such as flow cytometry, western blotting, and immunofluorescence. Results In this study, we found that LBP protected Leydig MLTC-1 cells against cisplatin (DDP) by regulating ERS-mediated signal pathway, which was evidenced by downregulation of phosphorylation PERK, phosphorylation of eukaryotic translation-initiation factor 2α and activating transcription factor 4. Meanwhile, LBP decreased DDP-induced MLTC-1 cell apoptosis via reducing ERS apoptosis-relative proteins caspase 3, caspase 7, and caspase 12. In addition, the result of monodansylcadaverine staining indicated that LBP significantly inhibited DDP-induced autophagosome formation in MLTC-1 cells. Moreover, immunofluorescences and Western blot assays demonstrated that LBP reversed DDP-induced LC3II and Atg5 upregulation in MLTC-1 cells. Finally, the data of enzyme-linked immunosorbent assay showed that LBP markedly recovered MLTC-1 cells testosterone level even in the presence of DDP. Conclusion Thus, we suggest that LBP protected MLTC-1 cells against DDP via regulation of ERS-mediated apoptosis and autophagy.
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Affiliation(s)
- Fenglian Yang
- Department of Reproductive Medicine, Youjiang Medical College for Nationalities, Baise, Guangxi 533000, China
| | - Yuxia Wei
- Department of Reproductive Medicine, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi 533000, China,
| | - Biyun Liao
- Department of Reproductive Medicine, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi 533000, China,
| | - Guijiang Wei
- Department of Reproductive Medicine, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi 533000, China,
| | - Haimei Qin
- Department of Reproductive Medicine, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi 533000, China,
| | - Xiaoxia Pang
- Department of Reproductive Medicine, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi 533000, China,
| | - Junli Wang
- Department of Reproductive Medicine, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi 533000, China,
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Zhang Q, Li J, Middleton A, Bhattacharya S, Conolly RB. Bridging the Data Gap From in vitro Toxicity Testing to Chemical Safety Assessment Through Computational Modeling. Front Public Health 2018; 6:261. [PMID: 30255008 PMCID: PMC6141783 DOI: 10.3389/fpubh.2018.00261] [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] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 08/21/2018] [Indexed: 12/18/2022] Open
Abstract
Chemical toxicity testing is moving steadily toward a human cell and organoid-based in vitro approach for reasons including scientific relevancy, efficiency, cost, and ethical rightfulness. Inferring human health risk from chemical exposure based on in vitro testing data is a challenging task, facing various data gaps along the way. This review identifies these gaps and makes a case for the in silico approach of computational dose-response and extrapolation modeling to address many of the challenges. Mathematical models that can mechanistically describe chemical toxicokinetics (TK) and toxicodynamics (TD), for both in vitro and in vivo conditions, are the founding pieces in this regard. Identifying toxicity pathways and in vitro point of departure (PoD) associated with adverse health outcomes requires an understanding of the molecular key events in the interacting transcriptome, proteome, and metabolome. Such an understanding will in turn help determine the sets of sensitive biomarkers to be measured in vitro and the scope of toxicity pathways to be modeled in silico. In vitro data reporting both pathway perturbation and chemical biokinetics in the culture medium serve to calibrate the toxicity pathway and virtual tissue models, which can then help predict PoDs in response to chemical dosimetry experienced by cells in vivo. Two types of in vitro to in vivo extrapolation (IVIVE) are needed. (1) For toxic effects involving systemic regulations, such as endocrine disruption, organism-level adverse outcome pathway (AOP) models are needed to extrapolate in vitro toxicity pathway perturbation to in vivo PoD. (2) Physiologically-based toxicokinetic (PBTK) modeling is needed to extrapolate in vitro PoD dose metrics into external doses for expected exposure scenarios. Linked PBTK and TD models can explore the parameter space to recapitulate human population variability in response to chemical insults. While challenges remain for applying these modeling tools to support in vitro toxicity testing, they open the door toward population-stratified and personalized risk assessment.
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Affiliation(s)
- Qiang Zhang
- Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, United States
| | - Jin Li
- Unilever, Safety and Environmental Assurance Centre, Colworth Science Park, Sharnbrook, United Kingdom
| | - Alistair Middleton
- Unilever, Safety and Environmental Assurance Centre, Colworth Science Park, Sharnbrook, United Kingdom
| | - Sudin Bhattacharya
- Biomedical Engineering, Michigan State University, East Lansing, MI, United States
| | - Rory B Conolly
- Integrated Systems Toxicology Division, National Health and Environmental Effects Research Laboratory, United States Environmental Protection Agency, Durham, NC, United States
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Oxidative stress-modulating drugs have preferential anticancer effects - involving the regulation of apoptosis, DNA damage, endoplasmic reticulum stress, autophagy, metabolism, and migration. Semin Cancer Biol 2018; 58:109-117. [PMID: 30149066 DOI: 10.1016/j.semcancer.2018.08.010] [Citation(s) in RCA: 134] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 08/19/2018] [Accepted: 08/23/2018] [Indexed: 02/07/2023]
Abstract
To achieve preferential effects against cancer cells but less damage to normal cells is one of the main challenges of cancer research. In this review, we explore the roles and relationships of oxidative stress-mediated apoptosis, DNA damage, ER stress, autophagy, metabolism, and migration of ROS-modulating anticancer drugs. Understanding preferential anticancer effects in more detail will improve chemotherapeutic approaches that are based on ROS-modulating drugs in cancer treatments.
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Huang C, Yang Y, Chen X, Wang C, Li Y, Zheng C, Wang Y. Large-scale cross-species chemogenomic platform proposes a new drug discovery strategy of veterinary drug from herbal medicines. PLoS One 2017; 12:e0184880. [PMID: 28915268 PMCID: PMC5600375 DOI: 10.1371/journal.pone.0184880] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Accepted: 09/03/2017] [Indexed: 01/09/2023] Open
Abstract
Veterinary Herbal Medicine (VHM) is a comprehensive, current, and informative discipline on the utilization of herbs in veterinary practice. Driven by chemistry but progressively directed by pharmacology and the clinical sciences, drug research has contributed more to address the needs for innovative veterinary medicine for curing animal diseases. However, research into veterinary medicine of vegetal origin in the pharmaceutical industry has reduced, owing to questions such as the short of compatibility of traditional natural-product extract libraries with high-throughput screening. Here, we present a cross-species chemogenomic screening platform to dissect the genetic basis of multifactorial diseases and to determine the most suitable points of attack for future veterinary medicines, thereby increasing the number of treatment options. First, based on critically examined pharmacology and text mining, we build a cross-species drug-likeness evaluation approach to screen the lead compounds in veterinary medicines. Second, a specific cross-species target prediction model is developed to infer drug-target connections, with the purpose of understanding how drugs work on the specific targets. Third, we focus on exploring the multiple targets interference effects of veterinary medicines by heterogeneous network convergence and modularization analysis. Finally, we manually integrate a disease pathway to test whether the cross-species chemogenomic platform could uncover the active mechanism of veterinary medicine, which is exemplified by a specific network module. We believe the proposed cross-species chemogenomic platform allows for the systematization of current and traditional knowledge of veterinary medicine and, importantly, for the application of this emerging body of knowledge to the development of new drugs for animal diseases.
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Affiliation(s)
- Chao Huang
- Bioinformatics Center, College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, China
| | - Yang Yang
- School of Pharmacy, Shihezi University, Shihezi, China
| | - Xuetong Chen
- Bioinformatics Center, College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, China
| | - Chao Wang
- College of Economics & Management of Dalian Ocean University, Dalian, China
| | - Yan Li
- Department of Materials Science and Chemical Engineering, Dalian University of Technology, Dalian, Liaoning, China
| | - Chunli Zheng
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Life Sciences, Northwest University, Xi’an, China
- * E-mail: (CZ); (YW)
| | - Yonghua Wang
- Bioinformatics Center, College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, China
- * E-mail: (CZ); (YW)
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Xu XH, Liu QY, Li T, Liu JL, Chen X, Huang L, Qiang WA, Chen X, Wang Y, Lin LG, Lu JJ. Garcinone E induces apoptosis and inhibits migration and invasion in ovarian cancer cells. Sci Rep 2017; 7:10718. [PMID: 28878295 PMCID: PMC5587559 DOI: 10.1038/s41598-017-11417-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 08/24/2017] [Indexed: 11/09/2022] Open
Abstract
Ovarian cancer remains the most lethal gynecological malignant tumor. In this study, 24 xanthones were isolated and identified from the pericarps of mangosteen (Garcinia mangostana), and their anti-proliferative activities were tested in ovarian cancer cells. Garcinone E (GE) was found to exhibit excellent anti-proliferative effects among the tested xanthones. It significantly inhibited the proliferation in HEY, A2780, and A2780/Taxol cells as evidenced by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay, lactate dehydrogenase (LDH) release assay, Hoechst 33342 staining, annexin V/PI staining, and JC-1 staining. It induced endoplasmic reticulum (ER) stress and activated the protective inositol-requiring kinase (IRE)-1α pathway. Knocking down IRE-1α further activated the caspase cascade and caused an increase in cell death. Moreover, GE eliminated the migratory ability of HEY cells by reducing the expression of RhoA and Rac. It also blocked the invasion, which might be related to downregulation of matrix metalloproteinases (MMPs), i.e., MMP-9 and MMP-2, and upregulation of tissue inhibitors of metalloproteinase (TIMP) -1 and TIMP-2. In summary, GE exerts anticancer activities by inducing apoptosis and suppressing migration and invasion in ovarian cancer cells, which indicates its therapeutic potential for ovarian cancer.
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Affiliation(s)
- Xiao-Huang Xu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Qian-Yu Liu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
- Guangdong Medical Device Quality Surveillance and Test Institute, Guangzhou, Guangdong, China
| | - Ting Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Jian-Lin Liu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Xin Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Li Huang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Wen-An Qiang
- Division of Reproductive Science in Medicine, Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
- Center for Developmental Therapeutics, Chemistry of Life Processes Institute, Northwestern University, Evanston, Illinois, USA
| | - Xiuping Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Yitao Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Li-Gen Lin
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China.
| | - Jin-Jian Lu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China.
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Zhu B, Zhang Q, Pan Y, Mace EM, York B, Antoulas AC, Dacso CC, O'Malley BW. A Cell-Autonomous Mammalian 12 hr Clock Coordinates Metabolic and Stress Rhythms. Cell Metab 2017; 25:1305-1319.e9. [PMID: 28591634 PMCID: PMC5526350 DOI: 10.1016/j.cmet.2017.05.004] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 12/11/2016] [Accepted: 05/18/2017] [Indexed: 02/08/2023]
Abstract
Besides circadian rhythms, oscillations cycling with a 12 hr period exist. However, the prevalence, origin, regulation, and function of mammalian 12 hr rhythms remain elusive. Utilizing an unbiased mathematical approach identifying all superimposed oscillations, we uncovered prevalent 12 hr gene expression and metabolic rhythms in mouse liver, coupled with a physiological 12 hr unfolded protein response oscillation. The mammalian 12 hr rhythm is cell autonomous, driven by a dedicated 12 hr pacemaker distinct from the circadian clock, and can be entrained in vitro by metabolic and ER stress cues. Mechanistically, we identified XBP1s as a transcriptional regulator of the mammalian 12 hr clock. Downregulation of the 12 hr gene expression strongly correlates with human hepatic steatosis and steatohepatitis, implying its importance in maintaining metabolic homeostasis. The mammalian 12 hr rhythm of gene expression also is conserved in nematodes and crustaceans, indicating an ancient origin of the 12 hr clock. Our work sheds new light on how perturbed biological rhythms contribute to human disease.
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Affiliation(s)
- Bokai Zhu
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Qiang Zhang
- Department of Electrical and Computer Engineering, Rice University, Houston, TX 77005, USA
| | - Yinghong Pan
- Department of Biology and Biochemistry, University of Houston, Houston, TX 77004, USA
| | - Emily M Mace
- Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Brian York
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA; Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX 77030, USA
| | - Athanasios C Antoulas
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA; Department of Electrical and Computer Engineering, Rice University, Houston, TX 77005, USA; Max Planck Fellow Group for Data-Driven System Reduction and Identification, Max Planck Institute for Dynamics of Complex Technical Systems, Magdeburg 39106, Germany
| | - Clifford C Dacso
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA; Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA; Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX 77030, USA; Department of Electrical and Computer Engineering, Rice University, Houston, TX 77005, USA
| | - Bert W O'Malley
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA; Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX 77030, USA.
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CHEN QQ, YUAN AH, YANG J, Bi-xiang ZHA, ZHANG M. Effect of acupuncture on the endoplasmic reticulum stress IRE1-CHOP pathway and the expression levels of Bax and Bcl-2 protein as well as genes in pancreatic tissue of rats with diabetes mellitus. WORLD JOURNAL OF ACUPUNCTURE-MOXIBUSTION 2017. [DOI: 10.1016/s1003-5257(17)30098-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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48
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LIU KS, PENG ZH, CHENG WJ, DAI CF, TONG H. Endoplasmic reticulum stress-induced apoptosis in the development of reproduction. REPRODUCTION AND CONTRACEPTION 2016; 27:51-59. [PMID: 32288402 PMCID: PMC7129369 DOI: 10.7669/j.issn.1001-7844.2016.01.0051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Indexed: 12/21/2022]
Abstract
Proteins synthesized in the endoplasmic reticulum (ER) are properly folded with the assistance of ER chaperones. Accumulation of misfolded protein in the ER triggers an adaptive ER stress (ERS) response termed the unfolded protein response. Recent interest has focused on the possibility that the accumulation of misfolded proteins can also contribute to reproductive response, including preimplantation embryos, testicular germ cell, placenta, and unexplained intrauterine growth restriction (IUGR). The major ERS pathway constituents are present at all stages of preimplantation development and that the activation of ERS pathways can be induced at the 8-cell, morula and blastocyst stage. This review mainly introduced the research progress of ERS induced apoptosis of reproductive cells, providing a new direction for the research of reproductive disease therapy.
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Affiliation(s)
- Kang-sheng LIU
- Department of Clinical Laboratory, State Key Laboratory of Reproductive Medicine Nanjing Maternity and Child Health Care Hospital Affiliated to Nanjing Medical University, Nanjing 210029, China
| | - Zheng-hang PENG
- School of Public Health, Nanjing Medical University, Nanjing 210029, China
| | - Weng-jun CHENG
- Department of Maternity and Child Health Care, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Chun-fan DAI
- Department of Obstetrical, Nanjing Maternity and Child Health Care Hospital, Nanjing 210009, China
| | - Hua TONG
- Department of Scientific Research and Education, Nanjing Maternity and Child Health Care Hospital, Nanjing 210009, China
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Plácido AI, Pereira CMF, Correira SC, Carvalho C, Oliveira CR, Moreira PI. Phosphatase 2A Inhibition Affects Endoplasmic Reticulum and Mitochondria Homeostasis Via Cytoskeletal Alterations in Brain Endothelial Cells. Mol Neurobiol 2016; 54:154-168. [DOI: 10.1007/s12035-015-9640-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Accepted: 12/15/2015] [Indexed: 12/30/2022]
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50
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Kudelko M, Chan CWL, Sharma R, Yao Q, Lau E, Chu IK, Cheah KSE, Tanner JA, Chan D. Label-Free Quantitative Proteomics Reveals Survival Mechanisms Developed by Hypertrophic Chondrocytes under ER Stress. J Proteome Res 2015; 15:86-99. [DOI: 10.1021/acs.jproteome.5b00537] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
| | | | - Rakesh Sharma
- Department
of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Hong Kong, China
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