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Bade P, Simonetti F, Sans S, Laboudie P, Kissane K, Chappat N, Lagrange S, Apparailly F, Roubert C, Duroux-Richard I. Integrative Analysis of Human Macrophage Inflammatory Response Related to Mycobacterium tuberculosis Virulence. Front Immunol 2021; 12:668060. [PMID: 34276658 PMCID: PMC8284339 DOI: 10.3389/fimmu.2021.668060] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 06/07/2021] [Indexed: 01/08/2023] Open
Abstract
Mycobacterium tuberculosis (Mtb), the etiological agent of tuberculosis, kills 1.5 to 1.7 million people every year. Macrophages are Mtb's main host cells and their inflammatory response is an essential component of the host defense against Mtb. However, Mtb is able to circumvent the macrophages' defenses by triggering an inappropriate inflammatory response. The ability of Mtb to hinder phagolysosome maturation and acidification, and to escape the phagosome into the cytosol, is closely linked to its virulence. The modulation of the host inflammatory response relies on Mtb virulence factors, but remains poorly studied. Understanding macrophage interactions with Mtb is crucial to develop strategies to control tuberculosis. The present study aims to determine the inflammatory response transcriptome and miRNome of human macrophages infected with the virulent H37Rv Mtb strain, to identify macrophage genetic networks specifically modulated by Mtb virulence. Using human macrophages infected with two different live strains of mycobacteria (live or heat-inactivated Mtb H37Rv and M. marinum), we quantified and analyzed 184 inflammatory mRNAs and 765 micro(mi)RNAs. Transcripts and miRNAs differently modulated by H37Rv in comparison with the two other conditions were analyzed using in silico approaches. We identified 30 host inflammatory response genes and 37 miRNAs specific for H37Rv virulence, and highlight evidence suggesting that Mtb intracellular-linked virulence depends on the inhibition of IL-1β-dependent pro-inflammatory response, the repression of apoptosis and the delay of the recruitment and activation of adaptive immune cells. Our findings provide new potential targets for the development of macrophage-based therapeutic strategies against TB.
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Affiliation(s)
- Pauline Bade
- Institute for Regenerative Medicine & Biotherapy (IRMB), INSERM, Univ Montpellier, CHU Montpellier, Montpellier, France
- Evotec ID (Lyon), Lyon, France
| | | | | | | | | | | | | | - Florence Apparailly
- Institute for Regenerative Medicine & Biotherapy (IRMB), INSERM, Univ Montpellier, CHU Montpellier, Montpellier, France
| | | | - Isabelle Duroux-Richard
- Institute for Regenerative Medicine & Biotherapy (IRMB), INSERM, Univ Montpellier, CHU Montpellier, Montpellier, France
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Dardić D, Lauro G, Bifulco G, Laboudie P, Sakhaii P, Bauer A, Vilcinskas A, Hammann PE, Plaza A. Svetamycins A-G, Unusual Piperazic Acid-Containing Peptides from Streptomyces sp. J Org Chem 2017; 82:6032-6043. [PMID: 28489377 DOI: 10.1021/acs.joc.7b00228] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Seven new halogenated peptides termed svetamycins A-G (1-7) have been isolated from laboratory cultures of a Streptomyces sp. Svetamycins A-D, F, and G are cyclic depsipeptides, whereas svetamycin E is a linear analogue of svetamycin C. Their structures were determined using extensive spectroscopic analysis, and their stereochemical configuration was established by a combination of NMR data, quantum mechanical calculations, and chemical derivatizations. Svetamycins are characterized by the presence of a hydroxyl acetic acid and five amino acids including a rare 4,5-dihydroxy-2,3,4,5-tetrahydropyridazine-3-carboxylic acid, a γ-halogenated piperazic acid, and a novel δ-methylated piperazic acid in svetamycins B-C, E, and G. Moreover, isotope-labeled substrate feeding experiments demonstrated ornithine as the precursor of piperazic acid and that methylation at the δ position of the piperazyl scaffold is S-adenosyl-l-methionine (SAM)-dependent. Svetamycin G, the most potent antimicrobial of this suite of compounds, inhibited the growth of Mycobacterium smegmatis with an MIC80 value of 2 μg/mL.
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Affiliation(s)
- Denis Dardić
- Sanofi-Fraunhofer Natural Product Center of Excellence, Fraunhofer IME , Industriepark Höchst Bldg. G878, 65926 Frankfurt am Main, Germany
| | - Gianluigi Lauro
- Dipartimento di Farmacia, Università di Salerno , Via Giovanni Paolo II 132, 84084 Fisciano SA, Italy
| | - Giuseppe Bifulco
- Dipartimento di Farmacia, Università di Salerno , Via Giovanni Paolo II 132, 84084 Fisciano SA, Italy
| | - Patricia Laboudie
- Infectious Diseases Therapeutic Area, Sanofi R&D, Campus Mérieux , 1541 avenue Marcel Mérieux, XNord 315, 69280 Marcy L'Etoile, France
| | - Peyman Sakhaii
- NMR Laboratory, Chemistry & Biotechnology Development Frankfurt Chemistry, Sanofi-Aventis Deutschland GmbH , Industriepark Hoechst, Bldg. G849, 65926 Frankfurt am Main, Germany
| | - Armin Bauer
- R&D Infectious Diseases Therapeutic Area, Sanofi-Aventis Deutschland GmbH , Industriepark Höchst Bldg. G878, 65926 Frankfurt am Main, Germany
| | - Andreas Vilcinskas
- Sanofi-Fraunhofer Natural Product Center of Excellence, Fraunhofer IME , Industriepark Höchst Bldg. G878, 65926 Frankfurt am Main, Germany
| | - Peter E Hammann
- R&D Infectious Diseases Therapeutic Area, Sanofi-Aventis Deutschland GmbH , Industriepark Höchst Bldg. G878, 65926 Frankfurt am Main, Germany
| | - Alberto Plaza
- Sanofi-Fraunhofer Natural Product Center of Excellence, Fraunhofer IME , Industriepark Höchst Bldg. G878, 65926 Frankfurt am Main, Germany
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Delbary-Gossart S, Lee S, Baroni M, Lamarche I, Arnone M, Canolle B, Lin A, Sacramento J, Salegio EA, Castel MN, Delesque-Touchard N, Alam A, Laboudie P, Ferzaz B, Savi P, Herbert JM, Manley GT, Ferguson AR, Bresnahan JC, Bono F, Beattie MS. A novel inhibitor of p75-neurotrophin receptor improves functional outcomes in two models of traumatic brain injury. Brain 2016; 139:1762-82. [PMID: 27084575 PMCID: PMC4892754 DOI: 10.1093/brain/aww074] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2015] [Accepted: 02/20/2016] [Indexed: 11/14/2022] Open
Abstract
The p75 neurotrophin receptor is important in multiple physiological actions including neuronal survival and neurite outgrowth during development, and after central nervous system injury. We have discovered a novel piperazine-derived compound, EVT901, which interferes with p75 neurotrophin receptor oligomerization through direct interaction with the first cysteine-rich domain of the extracellular region. Using ligand binding assays with cysteine-rich domains-fused p75 neurotrophin receptor, we confirmed that EVT901 interferes with oligomerization of full-length p75 neurotrophin receptor in a dose-dependent manner. Here we report that EVT901 reduces binding of pro-nerve growth factor to p75 neurotrophin receptor, blocks pro-nerve growth factor induced apoptosis in cells expressing p75 neurotrophin receptor, and enhances neurite outgrowth in vitro. Furthermore, we demonstrate that EVT901 abrogates p75 neurotrophin receptor signalling by other ligands, such as prion peptide and amyloid-β. To test the efficacy of EVT901 in vivo, we evaluated the outcome in two models of traumatic brain injury. We generated controlled cortical impacts in adult rats. Using unbiased stereological analysis, we found that EVT901 delivered intravenously daily for 1 week after injury, reduced lesion size, protected cortical neurons and oligodendrocytes, and had a positive effect on neurological function. After lateral fluid percussion injury in adult rats, oral treatment with EVT901 reduced neuronal death in the hippocampus and thalamus, reduced long-term cognitive deficits, and reduced the occurrence of post-traumatic seizure activity. Together, these studies provide a new reagent for altering p75 neurotrophin receptor actions after injury and suggest that EVT901 may be useful in treatment of central nervous system trauma and other neurological disorders where p75 neurotrophin receptor signalling is affected.
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Affiliation(s)
| | - Sangmi Lee
- 2 Brain and Spinal Injury Center, Department of Neurological Surgery, University of California, San Francisco, 1001 Potrero Ave, San Francisco, CA 94110, USA
| | - Marco Baroni
- 3 Sanofi Research, Exploratory Unit, Via Gaetano Sbodio 2, 20134 Milano, Italy
| | - Isabelle Lamarche
- 4 From Sanofi Research, Early to Candidate, 195 route d'Espagne, 31036 Toulouse cedex, France
| | - Michele Arnone
- 4 From Sanofi Research, Early to Candidate, 195 route d'Espagne, 31036 Toulouse cedex, France
| | - Benoit Canolle
- 4 From Sanofi Research, Early to Candidate, 195 route d'Espagne, 31036 Toulouse cedex, France
| | - Amity Lin
- 2 Brain and Spinal Injury Center, Department of Neurological Surgery, University of California, San Francisco, 1001 Potrero Ave, San Francisco, CA 94110, USA
| | - Jeffrey Sacramento
- 2 Brain and Spinal Injury Center, Department of Neurological Surgery, University of California, San Francisco, 1001 Potrero Ave, San Francisco, CA 94110, USA
| | - Ernesto A Salegio
- 2 Brain and Spinal Injury Center, Department of Neurological Surgery, University of California, San Francisco, 1001 Potrero Ave, San Francisco, CA 94110, USA
| | - Marie-Noelle Castel
- 4 From Sanofi Research, Early to Candidate, 195 route d'Espagne, 31036 Toulouse cedex, France
| | | | - Antoine Alam
- 4 From Sanofi Research, Early to Candidate, 195 route d'Espagne, 31036 Toulouse cedex, France
| | - Patricia Laboudie
- 4 From Sanofi Research, Early to Candidate, 195 route d'Espagne, 31036 Toulouse cedex, France
| | - Badia Ferzaz
- 4 From Sanofi Research, Early to Candidate, 195 route d'Espagne, 31036 Toulouse cedex, France
| | - Pierre Savi
- 4 From Sanofi Research, Early to Candidate, 195 route d'Espagne, 31036 Toulouse cedex, France
| | - Jean-Marc Herbert
- 4 From Sanofi Research, Early to Candidate, 195 route d'Espagne, 31036 Toulouse cedex, France
| | - Geoffrey T Manley
- 2 Brain and Spinal Injury Center, Department of Neurological Surgery, University of California, San Francisco, 1001 Potrero Ave, San Francisco, CA 94110, USA
| | - Adam R Ferguson
- 2 Brain and Spinal Injury Center, Department of Neurological Surgery, University of California, San Francisco, 1001 Potrero Ave, San Francisco, CA 94110, USA
| | - Jacqueline C Bresnahan
- 2 Brain and Spinal Injury Center, Department of Neurological Surgery, University of California, San Francisco, 1001 Potrero Ave, San Francisco, CA 94110, USA
| | - Françoise Bono
- 1 Evotec, 195 route d'Espagne, 31036 Toulouse cedex, France
| | - Michael S Beattie
- 2 Brain and Spinal Injury Center, Department of Neurological Surgery, University of California, San Francisco, 1001 Potrero Ave, San Francisco, CA 94110, USA
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Alam A, Herault JP, Barron P, Favier B, Fons P, Delesque-Touchard N, Senegas I, Laboudie P, Bonnin J, Cassan C, Savi P, Ruggeri B, Carmeliet P, Bono F, Herbert JM. Heterodimerization with vascular endothelial growth factor receptor-2 (VEGFR-2) is necessary for VEGFR-3 activity. Biochem Biophys Res Commun 2004; 324:909-15. [PMID: 15474514 DOI: 10.1016/j.bbrc.2004.08.237] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2004] [Indexed: 11/20/2022]
Abstract
VEGFR-3 is essential for vascular development and maintenance of lymphatic vessel's integrity. Little is known about its cooperative effect with other receptors of the same family. Contrary to VEGFR-2, stimulation of VEGFR-3 by VEGF-C and -D failed to enhance its phosphorylation either in HEK293T or in PAE cells. These ligands were unable to induce angiogenesis of PAEC expressing VEGFR-3 alone. In the presence of VEGFR-2, VEGF-C and -D induced heterodimerization of VEGFR-3 with VEGFR-2. This heterodimerization was associated with enhanced VEGFR-3 phosphorylation and subsequent cellular responses as evidenced by the formation of capillary-like structures in PAE cells and proliferation of primary human endothelial cells expressing both receptors. Taken together, these results show for the first time that VEGFR-3 needs to be associated to VEGFR-2 to induce ligand-dependent cellular responses.
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Affiliation(s)
- Antoine Alam
- Sanofi-Synthélabo Research, Cardiovascular Department, Toulouse, France
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