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Catton EA, Bonsor DA, Herrera C, Stålhammar-Carlemalm M, Lyndin M, Turner CE, Soden J, van Strijp JAG, Singer BB, van Sorge NM, Lindahl G, McCarthy AJ. Human CEACAM1 is targeted by a Streptococcus pyogenes adhesin implicated in puerperal sepsis pathogenesis. Nat Commun 2023; 14:2275. [PMID: 37080973 PMCID: PMC10119177 DOI: 10.1038/s41467-023-37732-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 03/27/2023] [Indexed: 04/22/2023] Open
Abstract
Life-threatening bacterial infections in women after childbirth, known as puerperal sepsis, resulted in classical epidemics and remain a global health problem. While outbreaks of puerperal sepsis have been ascribed to Streptococcus pyogenes, little is known about disease mechanisms. Here, we show that the bacterial R28 protein, which is epidemiologically associated with outbreaks of puerperal sepsis, specifically targets the human receptor CEACAM1. This interaction triggers events that would favor the development of puerperal sepsis, including adhesion to cervical cells, suppression of epithelial wound repair and subversion of innate immune responses. High-resolution structural analysis showed that an R28 domain with IgI3-like fold binds to the N-terminal domain of CEACAM1. Together, these findings demonstrate that a single adhesin-receptor interaction can drive the pathogenesis of bacterial sepsis and provide molecular insights into the pathogenesis of one of the most important infectious diseases in medical history.
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Affiliation(s)
- Erin A Catton
- Centre for Bacterial Resistance Biology, Section of Molecular Microbiology, Department of Infectious Diseases, Imperial College London, London, SW7 2AZ, UK
| | - Daniel A Bonsor
- University of Maryland, Baltimore, MD, 21201, USA
- NCI RAS Initiative, Cancer Research Technology Program, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Carolina Herrera
- Section of Immunology of Infection, Department of Infectious Disease, Imperial College London, London, W2 1NY, UK
| | | | - Mykola Lyndin
- Sumy State University, Sumy, 40000, Ukraine
- Institute of Anatomy, Medical Faculty, University of Duisburg-Essen, Essen, 45147, Germany
| | - Claire E Turner
- The School of Biosciences, The Florey Institute, The University of Sheffield, Sheffield, S10 2TN, UK
| | - Jo Soden
- Retrogenix, Chinley, High Peak, SK23 6FJ, Chinley, UK
| | - Jos A G van Strijp
- Department of Medical Microbiology, UMC Utrecht, Utrecht, 3584 CX, The Netherlands
| | - Bernhard B Singer
- Department of Medical Microbiology and Infection Prevention, Amsterdam UMC location University of Amsterdam, Amsterdam Institute for Infection and Immunity, Amsterdam, 1105 AZ, The Netherlands
| | - Nina M van Sorge
- Department of Medical Microbiology, UMC Utrecht, Utrecht, 3584 CX, The Netherlands.
- Department of Medical Microbiology and Infection Prevention, Amsterdam UMC location University of Amsterdam, Amsterdam Institute for Infection and Immunity, Amsterdam, 1105 AZ, The Netherlands.
- Netherlands Reference Laboratory for Bacterial Meningitis, Amsterdam UMC, location AMC, Amsterdam, 1105 AZ, The Netherlands.
| | - Gunnar Lindahl
- Department of Laboratory Medicine, Division of Medical Microbiology, Lund University, Lund, 223 62, Sweden.
- Department of Chemistry, Division of Applied Microbiology, Lund University, Lund, 221 00, Sweden.
| | - Alex J McCarthy
- Centre for Bacterial Resistance Biology, Section of Molecular Microbiology, Department of Infectious Diseases, Imperial College London, London, SW7 2AZ, UK.
- Department of Medical Microbiology, UMC Utrecht, Utrecht, 3584 CX, The Netherlands.
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Kawahara R, Simizu S. ErbB4-mediated regulation of vasculogenic mimicry capability in breast cancer cells. Cancer Sci 2021; 113:950-959. [PMID: 34971015 PMCID: PMC8898724 DOI: 10.1111/cas.15258] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 12/03/2021] [Accepted: 12/10/2021] [Indexed: 11/28/2022] Open
Abstract
ErbB4 is a member of the ErbB receptor tyrosine kinase family. It has both pro- and anti-oncogenic activities in tumors. Vasculogenic mimicry (VM), a phenomenon in which cancer cells form capillary-like structures without endothelial cells, has been recognized to be a cause of malignant phenotypes in some solid tumors. Here, we used an in vitro VM formation assay, and demonstrated that ErbB4 negatively regulated VM formation in human breast cancer cells. By using CRISPR/Cas9-mediated gene knockout, we verified that the depletion of endogenous ErbB4 improved the VM formation capability. Although treatment with neuregulin 1 (NRG1), a ligand of ErbB4, induced the phosphorylation of ErbB4 and promoted VM formation in a dose-dependent manner, it did not induce such activities in kinase-dead K751M ErbB4-expressing breast cancer cells. Moreover, we examined the effect of the missense mutation E872K of ErbB4, which has been reported in multiple tumors, on VM formation, and found that the mutation enhanced the basal phosphorylation level and ErbB4-mediated VM formation in the absence of NRG1 stimulation. While NRG1 stimulated VM formation, excessive activation of ErbB4 induced a negative effect. In E872K ErbB4-overexpressing cells, but not in wild-type ErbB4-overexpressing cells, the number of VM tubes was significantly decreased by low-dose treatment with the ErbB inhibitor afatinib. Taken together, our findings demonstrated the significance of ErbB4-mediated VM formation, and suggested the possibility of ErbB4 mutations as effective targets in breast cancer.
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Affiliation(s)
- Ryota Kawahara
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Yokohama, Japan
| | - Siro Simizu
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Yokohama, Japan
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Involvement of DPY19L3 in Myogenic Differentiation of C2C12 Myoblasts. Molecules 2021; 26:molecules26185685. [PMID: 34577156 PMCID: PMC8467457 DOI: 10.3390/molecules26185685] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/14/2021] [Accepted: 09/16/2021] [Indexed: 11/16/2022] Open
Abstract
DPY19L3 has been identified as a C-mannosyltransferase for thrombospondin type-1 repeat domain-containing proteins. In this study, we focused on the role of DPY19L3 in the myogenic differentiation of C2C12 mouse myoblast cells. We carried out DPY19L3 gene depletion using the CRISPR/Cas9 system. The result showed that these DPY19L3-knockout cells could not be induced for differentiation. Moreover, the phosphorylation levels of MEK/ERK and p70S6K were suppressed in the DPY19L3-knockout cells compared with that of parent cells, suggesting that the protein(s) that is(are) DPY19L3-mediated C-mannosylated and regulate(s) MEK/ERK or p70S6K signaling is(are) required for the differentiation.
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