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Delettre N, Billion E, Guyonnet C, Jarreau PH, Patkaï J, Tazi A. Outbreak of group B Streptococcus in a neonatal care unit confirmed by whole-genome sequencing. Acta Paediatr 2024; 113:947-954. [PMID: 38183311 DOI: 10.1111/apa.17095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 12/21/2023] [Accepted: 12/27/2023] [Indexed: 01/08/2024]
Abstract
AIM Clusters of group B Streptococcus (GBS) infections in neonatal intensive care units (NICU) are poorly documented. We aimed to assess GBS cross-transmission during an outbreak of GBS sepsis. METHODS The study was carried out between October and November 2021 in a French University Hospital. Neonatal intensive care unit (NICU) patients with GBS sepsis were included. Clinical data were retrieved from electronic patient records. Group B Streptococcus isolates were characterized at the molecular level using capsular genotyping and whole-genome sequencing (WGS). RESULTS The outbreak of GBS sepsis affected three very preterm neonates with a gestational age of less than 26 weeks, including one recurrent male index case aged 26 days, and two female secondary cases aged 5 and 17 days. The microbiological investigation identified a GBS isolate of capsular type III and Sequence Type 17 as responsible for the four infectious episodes. Whole-genome sequencing confirmed the identity between the isolates. The outbreak and the results of the microbiological investigations led to an immediate reinforcement of hygiene measures. CONCLUSION Clustered cases of GBS infections in NICU and horizontal transmission of the hypervirulent GBS Sequence Type 17 are likely underestimated. Prospective investigation of all nosocomial cases using WGS should contribute to improving vigilance regarding GBS cross-transmission and infection prevention.
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Affiliation(s)
- Nicolas Delettre
- Université Paris Cité, CNRS, INSERM, Institut Cochin, Paris, France
| | - Elodie Billion
- Assistance Publique - Hôpitaux de Paris Centre Université Paris Cité, Service de Médecine et Réanimation néonatales de Port-Royal, Paris, France
| | - Cécile Guyonnet
- Université Paris Cité, CNRS, INSERM, Institut Cochin, Paris, France
- Assistance Publique - Hôpitaux de Paris Centre Université Paris Cité, Service de Bactériologie, Centre National de Référence des Streptocoques, Paris, France
- Fédération Hospitalo-Universtaire Préma (Fighting Prematurity), Paris, France
| | - Pierre-Henri Jarreau
- Assistance Publique - Hôpitaux de Paris Centre Université Paris Cité, Service de Médecine et Réanimation néonatales de Port-Royal, Paris, France
- Fédération Hospitalo-Universtaire Préma (Fighting Prematurity), Paris, France
| | - Juliana Patkaï
- Assistance Publique - Hôpitaux de Paris Centre Université Paris Cité, Service de Médecine et Réanimation néonatales de Port-Royal, Paris, France
- Fédération Hospitalo-Universtaire Préma (Fighting Prematurity), Paris, France
| | - Asmaa Tazi
- Université Paris Cité, CNRS, INSERM, Institut Cochin, Paris, France
- Assistance Publique - Hôpitaux de Paris Centre Université Paris Cité, Service de Bactériologie, Centre National de Référence des Streptocoques, Paris, France
- Fédération Hospitalo-Universtaire Préma (Fighting Prematurity), Paris, France
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Charfi R, Guyonnet C, Untrau M, Giacometti G, Paper T, Poyart C, Plainvert C, Tazi A. Performances of two rapid LAMP-based techniques for the intrapartum detection of Group B Streptococcus vaginal colonization. Ann Clin Microbiol Antimicrob 2024; 23:37. [PMID: 38664821 PMCID: PMC11046945 DOI: 10.1186/s12941-024-00695-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Accepted: 04/04/2024] [Indexed: 04/28/2024] Open
Abstract
PURPOSE Group B Streptococcus (GBS) is the leading cause of invasive infections in newborns. The prevention of GBS neonatal disease relies on the administration of an intrapartum antibiotic prophylaxis to GBS-colonized women. In recent years, rapid intrapartum detection of GBS vaginal colonization using real-time nucleic acid amplification tests (NAATs) emerged as an alternative to antenatal culture screening methods. METHODS We compared the performances of two loop-mediated isothermal amplification (LAMP) tests, the Ampliflash® GBS and the PlusLife® GBS tests, to standard culture for GBS detection in vaginal specimens from pregnant women. The study was conducted from April to July 2023 in a French hospital of the Paris area. RESULTS A total of 303 samples were analyzed, including 85 culture-positive samples (28.1%). The Ampliflash® GBS test and the PlusLife® GBS tests gave a result for 100% and 96.3% tests, respectively. The performances of the tests were as follows: sensitivity 87.1% (95% confidence interval (CI) 78.3-92.6) and 98.7% (95% CI 93.0-99.8), specificity 99.1% (95% CI 96.7-99.8), and 91.9% (95% CI 87.3-95.0), respectively. False negative results of the Ampliflash® GBS test correlated with low-density GBS cultures. Time-to-results correlated with GBS culture density only for the PlusLife® GBS test (p < 0.001). CONCLUSION Both techniques provide excellent analytical performances with high sensitivity and specificity together with a short turnaround time and results available in 10 to 35 min. Their potential to further reduce the burden of GBS neonatal disease compared with antenatal culture screening needs to be assessed in future clinical studies.
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Affiliation(s)
- Rym Charfi
- Université Paris Cité, CNRS, INSERM, Institut Cochin, Paris, F-75014, France
- Service de Bactériologie, Centre National de Référence des Streptocoques, Assistance Publique - Hôpitaux de Paris Centre Université Paris Cité, Hôpital Cochin, 27 rue du Faubourg Saint-Jacques, Paris, 75014, France
| | - Cécile Guyonnet
- Université Paris Cité, CNRS, INSERM, Institut Cochin, Paris, F-75014, France
- Service de Bactériologie, Centre National de Référence des Streptocoques, Assistance Publique - Hôpitaux de Paris Centre Université Paris Cité, Hôpital Cochin, 27 rue du Faubourg Saint-Jacques, Paris, 75014, France
- Fédération Hospitalo-Universitaire Fighting Prematurity - FHU Préma, Paris, France
| | | | | | | | - Claire Poyart
- Université Paris Cité, CNRS, INSERM, Institut Cochin, Paris, F-75014, France
- Service de Bactériologie, Centre National de Référence des Streptocoques, Assistance Publique - Hôpitaux de Paris Centre Université Paris Cité, Hôpital Cochin, 27 rue du Faubourg Saint-Jacques, Paris, 75014, France
- Fédération Hospitalo-Universitaire Fighting Prematurity - FHU Préma, Paris, France
| | - Céline Plainvert
- Université Paris Cité, CNRS, INSERM, Institut Cochin, Paris, F-75014, France
- Service de Bactériologie, Centre National de Référence des Streptocoques, Assistance Publique - Hôpitaux de Paris Centre Université Paris Cité, Hôpital Cochin, 27 rue du Faubourg Saint-Jacques, Paris, 75014, France
- Fédération Hospitalo-Universitaire Fighting Prematurity - FHU Préma, Paris, France
| | - Asmaa Tazi
- Université Paris Cité, CNRS, INSERM, Institut Cochin, Paris, F-75014, France.
- Service de Bactériologie, Centre National de Référence des Streptocoques, Assistance Publique - Hôpitaux de Paris Centre Université Paris Cité, Hôpital Cochin, 27 rue du Faubourg Saint-Jacques, Paris, 75014, France.
- Fédération Hospitalo-Universitaire Fighting Prematurity - FHU Préma, Paris, France.
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Mazuel M, Moulier V, Bourrel AS, Guillier C, Tazi A, Jarreau PH, Chollat C. Systematic culture of central catheters and infections related to catheters in a neonatal intensive care unit: an observational study. Sci Rep 2024; 14:8647. [PMID: 38622221 PMCID: PMC11018835 DOI: 10.1038/s41598-024-59371-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 04/09/2024] [Indexed: 04/17/2024] Open
Abstract
Systematic culture of the tip of central lines is performed in many neonatal intensive care units (NICUs) to guide any subsequent antibiotic therapy. The clinical relevance of this procedure is debated, given the significant bacterial contamination during its removal. We aimed to describe infections related to catheters and assess the usefulness of central catheter systematic cultures for probabilistic antibiotic therapy in cases of suspicion of catheter-related infections in a NICU. A retrospective study in a NICU included all newborn patients hospitalized with a central catheter, between January 2018, and June 2019. The main outcome measures were bacterial catheter colonization, catheter-related infection rate, and simulation-based approach to antibiotic prescription. Three hundred and seventy-five newborns, with 634 central catheters were included. There were 273 (43%) catheters that were colonized by at least one microorganism. There were 183 cases of suspected sepsis, with 31 infections definitively related to the catheter. In our simulation antibiotic prescription approach, there was no significant difference in terms of the efficacy toward the microorganism(s) involved between the probabilistic antibiotic therapies proposed by the experts and those ultimately prescribed. Performing a catheter culture only if catheter-related infection is suspected could be an alternative to routine screening.
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Affiliation(s)
- Marie Mazuel
- Neonatal Intensive Care Unit, Assistance Publique-Hôpitaux de Paris, Robert Debré Children's Hospital, Paris, France
| | - Virginie Moulier
- University Department of Psychiatry, Centre d'Excellence Thérapeutique, Institut de Psychiatrie, Centre hospitalier du Rouvray, Sotteville-lès-Rouen, France
- Unité de Recherche Clinique, Etablissement Publique de Santé de Ville Evrard, 93332, Neuilly-sur-Marne, France
| | - Anne-Sophie Bourrel
- Department of Bacteriology, University Paris Cité, Assistance Publique-Hôpitaux de Paris, Cochin University Hospital, 75014, Paris, France
| | - Cyril Guillier
- Paediatric Intensive Care Unit, Assistance Publique-Hôpitaux de Paris, Armand Trousseau University Hospital, Sorbonne Université, Paris, France
| | - Asmaa Tazi
- Department of Bacteriology, University Paris Cité, Assistance Publique-Hôpitaux de Paris, Cochin University Hospital, 75014, Paris, France
| | - Pierre-Henri Jarreau
- Service de Médecine et Réanimation Néonatales de Port-Royal, Hôpital Cochin, APHP centre - Université Paris Cité, Paris, France
| | - Clément Chollat
- Department of Neonatal Paediatrics, APHP, Service de Néonatologie, Sorbonne Université, Hôpital Armand Trousseau, 26 Av. du Dr Arnold Netter, 75012, Paris, France.
- Université Paris Cité, INSERM, NeuroDiderot, 75019, Paris, France.
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Bourrel AS, Picart A, Fernandez JC, Hays C, Mignon V, Saubaméa B, Poyart C, Fouet A, Tazi A, Guignot J. Specific interaction between Group B Streptococcus CC17 hypervirulent clone and phagocytes. Infect Immun 2024; 92:e0006224. [PMID: 38514466 PMCID: PMC11003227 DOI: 10.1128/iai.00062-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 02/12/2024] [Indexed: 03/23/2024] Open
Abstract
Streptococcus agalactiae also named Group B Streptococcus (GBS) is the most significant pathogen causing invasive infections, such as bacteremia and meningitis, in neonates. Worldwide epidemiological studies have shown that a particular clonal complex (CC) of capsular serotype III, the CC17, is strongly associated with meningitis in neonates and is therefore, designated as the hypervirulent clone. Macrophages are a permissive niche for intracellular bacteria of all GBS clones. In this study, we deciphered the specific interaction of GBS CC17 strains with macrophages. Our study revealed that CC17 strains are phagocytosed at a higher rate than GBS non-CC17 strains by human monocytes and macrophages both in cellular models and in primary cells. CC17-enhanced phagocytosis is due to an initial enhanced-attachment step to macrophages mediated by the CC17-specific surface protein HvgA and the PI-2b pilus (Spb1). We showed that two different inhibitors of scavenger receptors (fucoidan and poly(I)) specifically inhibited CC17 adhesion and phagocytosis while not affecting those of non-CC17 strains. Once phagocytosed, both CC17 and non-CC17 strains remained in a LAMP-1 positive vacuole that ultimately fuses with lysosomes where they can survive at similar rates. Finally, both strains displayed a basal egress which occurs independently from actin and microtubule networks. Our findings provide new insights into the interplay between the hypervirulent GBS CC17 and major players of the host's innate immune response. This enhanced adhesion, leading to increased phagocytosis, could reflect a peculiar capacity of the CC17 lineage to subvert the host immune defenses, establish a niche for persistence or disseminate.
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Affiliation(s)
- Anne-Sophie Bourrel
- Université Paris Cité, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France
- Hôpitaux Universitaires Paris Centre, Cochin, Assistance Publique Hôpitaux de Paris, Paris, France
| | - Amandine Picart
- Université Paris Cité, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France
| | | | - Constantin Hays
- Université Paris Cité, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France
- Hôpitaux Universitaires Paris Centre, Cochin, Assistance Publique Hôpitaux de Paris, Paris, France
| | - Virginie Mignon
- Plateforme PICMO, US25 INSERM, UAR3612 CNRS, Faculté de Pharmacie, Université Paris Cité, Paris, France
| | - Bruno Saubaméa
- Plateforme PICMO, US25 INSERM, UAR3612 CNRS, Faculté de Pharmacie, Université Paris Cité, Paris, France
| | - Claire Poyart
- Université Paris Cité, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France
- Hôpitaux Universitaires Paris Centre, Cochin, Assistance Publique Hôpitaux de Paris, Paris, France
- Centre National de Référence des Streptocoques, Paris, France
| | - Agnès Fouet
- Université Paris Cité, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France
| | - Asmaa Tazi
- Université Paris Cité, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France
- Hôpitaux Universitaires Paris Centre, Cochin, Assistance Publique Hôpitaux de Paris, Paris, France
- Centre National de Référence des Streptocoques, Paris, France
| | - Julie Guignot
- Université Paris Cité, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France
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Tazi A, Rabant M, Lemogne C, Flamant M, Cariou A, Baron S, Prot-Bertoye C. [Integrating pathology and biology into medical education: current state and future directions]. Ann Biol Clin (Paris) 2024; 81:628-639. [PMID: 38391167 DOI: 10.1684/abc.2023.1857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2024]
Abstract
Pathology and biology are essential in the patient care. However, they suffer from a lack of attractiveness to medicine students. In order to gain insight and improve the visibility and attractiveness of these specialties, we designed a survey and submitted forms to medical students, laboratory medical staff, and clinical staff from the different hospitals and institutes attached to "Université Paris Cité". The responses (363 students (response rate: 9.1%), 109 medical -laboratory staff (25%), 61 clinical staff (10%)) confirmed the poor visibility of these specialties among students as well as the will of the -medical laboratory staff to be more involved in the student's training. The -development of partnerships between laboratories and clinical -departments, which would allow medical students to spend short periods of time in related laboratories during their clinical internship, is a prospect for improving the teaching of these disciplines. The main expected benefits are to "discover a new specialty" and "to better understand the prescription of laboratory tests", which are crucial aspects for understanding the role of laboratory disciplines and their interaction with clinicians to improve patient care.
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Affiliation(s)
- Asmaa Tazi
- Service de Bactériologie, Hôpital Cochin, Assistance Publique - Hôpitaux de Paris, Paris, France, Institut Cochin, INSERM U1016, CNRS UMR8104, Paris, France, Université Paris Cité, Faculté de Santé, UFR de Médecine, Paris, France
| | - Marion Rabant
- Université Paris Cité, Faculté de Santé, UFR de Médecine, Paris, France, Service d'Anatomopathologie, Hôpital Necker, Assistance Publique - Hôpitaux de Paris, Paris, France, INSERM U1151, Institut Necker Enfants Malades, Paris, France
| | - Cédric Lemogne
- Université Paris Cité, Faculté de Santé, UFR de Médecine, Paris, France, Université Paris Cité and Université Sorbonne Paris Nord, Inserm, INRAE, Center for Research in Epidemiology et StatisticS (CRESS), Paris, France, Service de Psychiatrie de l'adulte, Hôpital Hôtel-Dieu, Assistance Publique - Hôpitaux de Paris, Paris, France
| | - Martin Flamant
- Université Paris Cité, Faculté de Santé, UFR de Médecine, Paris, France, Explorations fonctionnelles multidisciplinaires, Physiologie, Hôpital Bichat, Assistance Publique-Hôpitaux de Paris, Paris, France, Centre de Recherche sur l'Inflammation, Inserm U1149, Paris, France
| | - Alain Cariou
- Université Paris Cité, Faculté de Santé, UFR de Médecine, Paris, France, Service de Médecine intensive et réanimation, Hôpital Cochin, Assistance Publique - Hôpitaux de Paris, Paris, France, INSERM U970 (team 4) Paris Cardiovascular Research Centre, Paris, France
| | - Stéphanie Baron
- Université Paris Cité, Faculté de Santé, UFR de Médecine, Paris, France, Service de Physiologie - Explorations fonctionnelles, Hôpital Européen Georges Pompidou, Assistance Publique - Hôpitaux de Paris, Paris, France, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université Paris Cité, Paris, France, CNRS ERL 8228 - Laboratoire de Physiologie Rénale et Tubulopathies, Paris, France
| | - Caroline Prot-Bertoye
- Service de Physiologie - Explorations fonctionnelles, Hôpital Européen Georges Pompidou, Assistance Publique - Hôpitaux de Paris, Paris, France, Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université Paris Cité, Paris, France, CNRS ERL 8228 - Laboratoire de Physiologie Rénale et Tubulopathies, Paris, France
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6
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Charlier C, Anselem O, Caseris M, Lachâtre M, Tazi A, Driessen M, Pinquier D, Le Cœur C, Saunier A, Bergamelli M, Gibert Vanspranghels R, Chosidow A, Cazanave C, Alain S, Faure K, Birgy A, Dubos F, Lesprit P, Guinaud J, Cohen R, Decousser JW, Grimprel E, Huissoud C, Blanc J, Kayem G, Vuotto F, Vauloup-Fellous C. Prevention and management of VZV infection during pregnancy and the perinatal period. Infect Dis Now 2024; 54:104857. [PMID: 38311003 DOI: 10.1016/j.idnow.2024.104857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Revised: 12/20/2023] [Accepted: 01/29/2024] [Indexed: 02/06/2024]
Affiliation(s)
- Caroline Charlier
- Université Paris Cité, Paris Centre University Hospital, Infectious Diseases Transversal Team, Infectious Diseases Department, AP-HP, FHU Prema, Paris, France; Institut Pasteur, French National Reference Center and WHO Collaborating Center Listeria, Biology of Infection Unit, Inserm U1117, Paris, France.
| | - Olivia Anselem
- Paris Centre University Hospital, Maternité Port-Royal AP-HP, FHU Prema, Paris, France
| | - Marion Caseris
- Robert Debré University Hospital, Department of General Pediatrics, Pediatric Internal Medicine, Rheumatology and Infectious Diseases, AP-HP, Paris, France
| | - Marie Lachâtre
- Paris Centre University Hospital, Clinical Vaccinology Center, AP-HP, Paris, France
| | - Asmaa Tazi
- Université Paris Cité, Paris Centre University Hospital, Bacteriology Unit, French National Reference Center Streptococci, AP-HP, Institut Cochin, Inserm U1016, CNRS UMR8104, Paris, France
| | - Marine Driessen
- Necker Enfants University Hospital, Department of Obstetrics and Fetal Medicine, AP-HP, Paris, France
| | - Didier Pinquier
- CHU Rouen, Department of Neonatal and Pediatric Intensive Care Medicine, Normandie University, UNIROUEN, INSERM U1245, Rouen, France
| | - Chemsa Le Cœur
- Tours University Hospital, Infectious Diseases and Tropical Medicine Unit, Tours, France
| | - Aurélie Saunier
- Périgueux Hospital, Infectious Diseases Unit, Périgueux, France
| | - Mathilde Bergamelli
- Department of Clinical Sciences, Intervention and Technology (CLINTEC) Karolinska Institute, Division of Obstetrics and Gynecology, Karolinska University Hospital, Stockholm, Sweden
| | | | - Anaïs Chosidow
- CHI Villeneuve Saint Georges, Department of Pediatrics, Villeneuve Saint Georges, France
| | - Charles Cazanave
- CHU Bordeaux, Infectious and Tropical Diseases Department, Univ. Bordeaux, UMR 5234 CNRS, ARMYNE, Bordeaux, France
| | - Sophie Alain
- Microbiology Department, and Medical Genomic Unit CHU Limoges, UMR Inserm 1092, RESINFIT, Limoges University, IFR GEIST, Medical Faculty, National Reference Center for Herpesviruses, Centre de Biologie et de Recherche en Santé (CBRS) Limoges, France
| | - Karine Faure
- CHU Lille, Infectious Diseases Unit, Lille, France
| | - André Birgy
- Université Paris Cité, Robert Debré University Hospital, Microbiology Unit, AP-HP, IAME, UMR1137, INSERM, Paris, France
| | - François Dubos
- Université Lille, CHU Lille, Pediatric Emergency Unit & Infectious Diseases, ULR2694: METRICS, F-59000 Lille, France
| | | | - Julie Guinaud
- CHU La Réunion site sud, Neonatology and Neonatal Intensive Care Unit, Saint Pierre, France
| | - Robert Cohen
- Université Paris Est, IMRB-GRC GEMINI, Unité Court Séjour, Petits Nourrissons, Service de Néonatologie, CHI Créteil, Créteil, France
| | - Jean-Winoc Decousser
- Université Paris Est Créteil, Henri Mondor University Hospital EOH, AP-HP, Créteil, France
| | - Emmanuel Grimprel
- Service de pédiatrie générale et aval des urgences, hôpital Trousseau, Paris, APHP, Sorbonne Sorbonne Université Médecine, France
| | - Cyril Huissoud
- Hospices Civils de Lyon, Service de gynécologie obstétrique de l HFME, 59 Bd Pinel, 69500 Bron, Université Claude Bernard, Lyon 1, INSERM U1208, Stem-Cell and Brain Research Institute, France
| | - Julie Blanc
- Université de Marseille, Hôpital Nord University Hospital, Obstetrics Ward, Assistance Publique hôpitaux Marseille, Marseille, France
| | - Gilles Kayem
- Trousseau University Hospital, Obstetrics Ward, Assistance Publique - hôpitaux Paris, Sorbonne Université, FHU Prema, Paris, France
| | - Fanny Vuotto
- CHU Lille, Infectious Diseases Unit, Lille, France
| | - Christelle Vauloup-Fellous
- Division of Virology, WHO Rubella National Reference Laboratory, Dept of Biology Genetics and PUI, Paris Saclay University Hospital, APHP, Paris, France; Université Paris-Saclay, INSERM U1184, CEA, Center for Immunology of Viral, Auto-immune, Hematological and Bacterial diseases (IMVA-HB/IDMIT), Fontenay-aux-Roses, France
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7
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Hamon A, Benaboud S, Anjou M, Thoreau B, Dedieu D, Brezin A, Froelicher Bournaud L, Tazi A, Charlier C, Canouï E. Dalbavancin: a new option for systemic treatment of Gram-positive endogenous endophthalmitis? J Antimicrob Chemother 2023; 78:3005-3006. [PMID: 37812460 DOI: 10.1093/jac/dkad308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2023] Open
Affiliation(s)
- Antoine Hamon
- Faculté de Médecine, Université Paris Cité, F-75006 Paris, France
- Équipe Mobile d'Infectiologie, AP-HP, APHP.CUP, Hôpital Cochin, F-75014 Paris, France
| | - Sihem Benaboud
- Faculté de Médecine, Université Paris Cité, F-75006 Paris, France
- Service de Pharmacologie, AP-HP, APHP.CUP, Hôpital Cochin, F-75014 Paris, France
| | - Mickael Anjou
- Faculté de Médecine, Université Paris Cité, F-75006 Paris, France
- Service d'Ophtalmologie, AP-HP, APHP.CUP, Hôpital Cochin, F-75014 Paris, France
| | - Benjamin Thoreau
- Faculté de Médecine, Université Paris Cité, F-75006 Paris, France
- Service de Médecine Interne, AP-HP, APHP.CUP, Hôpital Cochin, F-75014 Paris, France
| | - Daphné Dedieu
- Faculté de Médecine, Université Paris Cité, F-75006 Paris, France
- Service d'Ophtalmologie, AP-HP, APHP.CUP, Hôpital Cochin, F-75014 Paris, France
| | - Antoine Brezin
- Faculté de Médecine, Université Paris Cité, F-75006 Paris, France
- Service d'Ophtalmologie, AP-HP, APHP.CUP, Hôpital Cochin, F-75014 Paris, France
| | | | - Asmaa Tazi
- Faculté de Médecine, Université Paris Cité, F-75006 Paris, France
- Service de Bactériologie, AP-HP, APHP.CUP, Hôpital Cochin, F-75014 Paris, France
| | - Caroline Charlier
- Faculté de Médecine, Université Paris Cité, F-75006 Paris, France
- Équipe Mobile d'Infectiologie, AP-HP, APHP.CUP, Hôpital Cochin, F-75014 Paris, France
- CNR Listeria, CC OMS, Unité biologie des infections Inserm U1117, Institut Pasteur, F-75015 Paris France
| | - Etienne Canouï
- Équipe Mobile d'Infectiologie, AP-HP, APHP.CUP, Hôpital Cochin, F-75014 Paris, France
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8
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Lemaire C, Cheminet M, Duployez C, Artus M, Ballaa Y, Devos L, Plainvert C, Poyart C, Le Gall F, Tazi A, Lanotte P. A LAMP-based assay for the molecular detection of group B Streptococcus. Eur J Clin Microbiol Infect Dis 2023; 42:1245-1250. [PMID: 37702956 DOI: 10.1007/s10096-023-04656-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 08/07/2023] [Indexed: 09/14/2023]
Abstract
PURPOSE Streptococcus agalactiae remains a major pathogen in human health, especially in neonatal infection. Detection in pregnant women is essential to initiate intrapartum antibiotic prophylaxis. This study compared the HiberGene loop-mediated isothermal amplification (LAMP) assay to culture, the reference method, for the detection of group B Streptococcus (GBS) in pregnant women. METHODS This was a prospective multicenter study conducted in four French hospitals. Three hundred fifty-four non-redundant routine care vaginal swabs were analyzed by both methods, LAMP assay and culture. Clinicians and patients were blinded to the results of the LAMP assay. RESULTS Three hundred thirty-seven samples presented concordant results, 15 presented discordant results, and 2 were invalid using the LAMP assay (excluded from the study). Compared to culture, the LAMP assay had a sensitivity of 87.7%, a specificity of 98%, a negative predictive value of 97.6%, and a positive predictive value of 89.3%. CONCLUSION The HiberGene GBS LAMP assay is an easy test that possesses good performances compared with the reference method, culture. It could be used in case of emergency when a quick result is needed.
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Affiliation(s)
- Coralie Lemaire
- Service de Bactériologie-Virologie, CHRU de Tours, Université de Tours, 37044, Tours, France
| | - Mélinda Cheminet
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre, Hôpital Cochin, Service de Bactériologie, Université Paris Cité, 75014, Paris, France
| | - Claire Duployez
- Laboratoire de Bactériologie, CHU de Lille, Université de Lille, 59000, Lille, France
| | - Mathilde Artus
- Laboratoire de Biologie Médicale, CH de Quimper, 29000, Quimper, France
| | - Yassine Ballaa
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre, Hôpital Cochin, Service de Bactériologie, Université Paris Cité, 75014, Paris, France
| | - Laura Devos
- Laboratoire de Bactériologie, CHU de Lille, Université de Lille, 59000, Lille, France
| | - Céline Plainvert
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre, Hôpital Cochin, Service de Bactériologie, Université Paris Cité, 75014, Paris, France
- Centre National de Référence Des Streptocoques, Hôpital Cochin, 75014, Paris, France
| | - Claire Poyart
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre, Hôpital Cochin, Service de Bactériologie, Université Paris Cité, 75014, Paris, France
- Centre National de Référence Des Streptocoques, Hôpital Cochin, 75014, Paris, France
| | - Florence Le Gall
- Laboratoire de Biologie Médicale, CH de Quimper, 29000, Quimper, France
| | - Asmaa Tazi
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre, Hôpital Cochin, Service de Bactériologie, Université Paris Cité, 75014, Paris, France
- Centre National de Référence Des Streptocoques, Hôpital Cochin, 75014, Paris, France
| | - Philippe Lanotte
- Service de Bactériologie-Virologie, CHRU de Tours, Université de Tours, 37044, Tours, France.
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9
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Baud A, Hillion KH, Plainvert C, Tessier V, Tazi A, Mandelbrot L, Poyart C, Kennedy SP. Author Correction: Microbial diversity in the vaginal microbiota and its link to pregnancy outcomes. Sci Rep 2023; 13:12449. [PMID: 37528141 PMCID: PMC10393942 DOI: 10.1038/s41598-023-39583-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/03/2023] Open
Affiliation(s)
- Agnes Baud
- Institut Pasteur, Université Paris Cité, Département de biologie computationnelle, F-75015, Paris, France
| | - Kenzo-Hugo Hillion
- Institut Pasteur, Université Paris Cité, Département de biologie computationnelle, F-75015, Paris, France
| | - Céline Plainvert
- AP-HP Centre-Université Paris Cité, FHU PREMA, Centre national de référence des streptocoques, Paris, France
| | | | - Asmaa Tazi
- AP-HP Centre-Université Paris Cité, FHU PREMA, Centre national de référence des streptocoques, Paris, France
| | - Laurent Mandelbrot
- Service de gynécologie-obstétrique, Hôpital Louis Mourier, AP-HP, Université de PARIS, IAME INSERM U1137, Paris, France
| | - Claire Poyart
- AP-HP Centre-Université Paris Cité, FHU PREMA, Centre national de référence des streptocoques, Paris, France
- Université de Paris, INSERM, Institut Cochin 1016, Paris, France
| | - Sean P Kennedy
- Institut Pasteur, Université Paris Cité, Département de biologie computationnelle, F-75015, Paris, France.
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10
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Plainvert C, Matuschek E, Dmytruk N, Gaillard M, Frigo A, Ballaa Y, Biesaga E, Kahlmeter G, Poyart C, Tazi A. Microbiological Epidemiology of Invasive Infections Due to Non-Beta-Hemolytic Streptococci, France, 2021. Microbiol Spectr 2023; 11:e0016023. [PMID: 37199642 PMCID: PMC10269528 DOI: 10.1128/spectrum.00160-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 04/29/2023] [Indexed: 05/19/2023] Open
Abstract
Non-beta-hemolytic streptococci (NBHS), also referred to as viridans streptococci, represent an underestimated cause of human invasive diseases. Their resistance to antibiotics, including beta-lactam agents, often complicate their therapeutic management. A prospective multicenter study was conducted by the French National Reference Center for Streptococci between March and April 2021 to describe the clinical and microbiological epidemiology of invasive infections due to NBHS, excluding pneumococcus. A total of 522 NBHS invasive cases were collected. Distribution among streptococcal groups was: Streptococcus anginosus (33%), Streptococcus mitis (28%), Streptococcus sanguinis (16%), Streptococcus bovis/equinus (15%), Streptococcus salivarius (8%), and Streptococcus mutans (<1%). Median age of infection was 68 years old (range <1 day to 100 years). Cases were more frequent in male patients (gender ratio M/F 2.1:1) and manifested mainly as bacteremia without focus (46%), intra-abdominal infections (18%) and endocarditis (11%). All isolates were susceptible to glycopeptides and displayed low-level inherent gentamicin resistance. All isolates of the S. bovis/equinus, S. anginosus, and S. mutans groups were susceptible to beta-lactams. Conversely, nonsusceptibility to beta-lactams was found in 31%, 28%, and 52% of S. mitis, S. salivarius, and S. sanguinis isolates, respectively. The screening for beta-lactam resistance using the recommended one unit benzylpenicillin disk screening failed to detect 21% of resistant isolates (21/99). Last, overall resistance rates to the alternative anti-streptococcal molecules clindamycin and moxifloxacin were 29% (149/522) and 1.6% (8/505), respectively. IMPORTANCE NBHS are recognized as opportunistic pathogens particularly involved in infections of the elderly and immunocompromised patients. This study underlines their importance as common causes of severe and difficult-to-treat infections such as endocarditis. Although species of the S. anginosus and S. bovis/equinus groups remain constantly susceptible to beta-lams, resistance in oral streptococci exceeds 30% and screening techniques are not fully reliable. Therefore, accurate species identification and antimicrobial susceptibility testing by MICs determination appears essential for the treatment of NBHS invasive infections, together with continued epidemiological surveillance.
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Affiliation(s)
- Céline Plainvert
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre Site Cochin, Service de Bactériologie, Paris, France
- Centre National de Référence des Streptocoques, Paris, France
| | | | - Nicolas Dmytruk
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre Site Cochin, Service de Bactériologie, Paris, France
- Centre National de Référence des Streptocoques, Paris, France
| | - Marine Gaillard
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre Site Cochin, Service de Bactériologie, Paris, France
- Centre National de Référence des Streptocoques, Paris, France
| | - Amandine Frigo
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre Site Cochin, Service de Bactériologie, Paris, France
- Centre National de Référence des Streptocoques, Paris, France
| | - Yassine Ballaa
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre Site Cochin, Service de Bactériologie, Paris, France
| | - Eddy Biesaga
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre Site Cochin, Service de Bactériologie, Paris, France
| | - Gunnar Kahlmeter
- EUCAST Development Laboratory, Växjö, Sweden
- Department of Clinical Microbiology, Central Hospital, Växjö, Sweden
| | - Claire Poyart
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre Site Cochin, Service de Bactériologie, Paris, France
- Centre National de Référence des Streptocoques, Paris, France
- Université Paris Cité, Paris, France
| | - Asmaa Tazi
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre Site Cochin, Service de Bactériologie, Paris, France
- Centre National de Référence des Streptocoques, Paris, France
- Université Paris Cité, Paris, France
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11
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Baud A, Hillion KH, Plainvert C, Tessier V, Tazi A, Mandelbrot L, Poyart C, Kennedy SP. Microbial diversity in the vaginal microbiota and its link to pregnancy outcomes. Sci Rep 2023; 13:9061. [PMID: 37271782 PMCID: PMC10239749 DOI: 10.1038/s41598-023-36126-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 05/30/2023] [Indexed: 06/06/2023] Open
Abstract
The vaginal microbiota refers to the microorganisms that reside in the vagina. These microorganisms contribute significantly to a woman's reproductive and general health. A healthy vaginal microbiota is typically a low-diversity environment with a predominance of lactic acid-producing Lactobacillus species. Factors such as antibiotic use, sexual activity, and hormonal changes can disrupt the balance of the vaginal microbiota, leading to conditions such as bacterial vaginosis. The composition of the vaginal microbiota changes and takes on added importance during pregnancy, serving as a barrier against infection for both mother and fetus. Despite the importance of the microorganisms that colonize the vagina, details of how changes in composition and diversity can impact pregnancy outcomes is poorly understood. This is especially true for woman with a high prevalence of Gardnerella vaginalis. Here we report on a diverse cohort of 749 women, enrolled in the InSPIRe cohort, during their final trimester of pregnancy. We show that Lactobacilli, including L. crispatus are important in maintaining low diversity, and that depletion in this critical community is linked with preterm delivery. We further demonstrate that it is overall diversity of the vaginal microbiota, not specific species, which provides the best indicator of risk.
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Affiliation(s)
- Agnes Baud
- Institut Pasteur, Université Paris Cité, Département de biologie computationnelle, F-75015, Paris, France
| | - Kenzo-Hugo Hillion
- Institut Pasteur, Université Paris Cité, Département de biologie computationnelle, F-75015, Paris, France
| | - Céline Plainvert
- AP-HP Centre-Université Paris Cité, FHU PREMA, Centre national de référence des streptocoques, Paris, France
| | | | - Asmaa Tazi
- AP-HP Centre-Université Paris Cité, FHU PREMA, Centre national de référence des streptocoques, Paris, France
| | - Laurent Mandelbrot
- Service de gynécologie-obstétrique, Hôpital Louis Mourier, AP-HP, Université de PARIS, IAME INSERM U1137, Paris, France
| | - Claire Poyart
- AP-HP Centre-Université Paris Cité, FHU PREMA, Centre national de référence des streptocoques, Paris, France
- Université de Paris, INSERM, Institut Cochin 1016, Paris, France
| | - Sean P Kennedy
- Institut Pasteur, Université Paris Cité, Département de biologie computationnelle, F-75015, Paris, France.
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12
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Brugière O, Mercier O, Lorillon G, Tazi A, Le Pavec J. [Lung transplantation for pulmonary Langerhans' cell histiocytosis]. Rev Mal Respir 2023; 40 Suppl 1:e65-e68. [PMID: 36868974 DOI: 10.1016/j.rmr.2023.01.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
Affiliation(s)
- O Brugière
- Service de pneumologie et transplantation pulmonaire, hôpital Foch, Suresnes, France.
| | - O Mercier
- Service de chirurgie thoracique et vasculaire et de transplantation pulmonaire, Groupe hospitalier Marie-Lannelongue-Saint-Joseph, Le Plessis-Robinson, France; Université Paris-Saclay, Le Kremlin-Bicêtre, France; UMR_S 999, université Paris-Sud, Inserm, Groupe hospitalier Marie-Lannelongue-Saint-Joseph, Le Plessis-Robinson, France
| | - G Lorillon
- Université de Paris, Inserm UMR 976 HIPI, 75006 Paris, France; Centre national de référence des histiocytoses, service de pneumologie, hôpital Saint-Louis, AP-HP, Paris, France
| | - A Tazi
- Université de Paris, Inserm UMR 976 HIPI, 75006 Paris, France; Centre national de référence des histiocytoses, service de pneumologie, hôpital Saint-Louis, AP-HP, Paris, France
| | - J Le Pavec
- Université Paris-Saclay, Le Kremlin-Bicêtre, France; UMR_S 999, université Paris-Sud, Inserm, Groupe hospitalier Marie-Lannelongue-Saint-Joseph, Le Plessis-Robinson, France; Service de pneumologie et transplantation pulmonaire, Groupe hospitalier Marie-Lannelongue-Saint-Joseph, Le Plessis-Robinson, France
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13
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Le Pavec J, Pison C, Hirschi S, Bunel V, Mordant P, Brugière O, Le Guen M, Olland A, Coiffard B, Renaud-Picard B, Tissot A, Brioude G, Borie R, Crestani B, Deslée G, Stelianides S, Mal H, Schuller A, Falque L, Lorillon G, Tazi A, Burgel P, Grenet D, De Miranda S, Bergeron A, Launay D, Cottin V, Nunes H, Valeyre D, Uzunhan Y, Prévot G, Sitbon O, Montani D, Savale L, Humbert M, Fadel E, Mercier O, Mornex J, Dauriat G, Reynaud-Gaubert M. Transplantation pulmonaire en France : actualisation des indications et contre-indications en 2022. Rev Mal Respir 2022; 39:855-872. [DOI: 10.1016/j.rmr.2022.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 10/18/2022] [Indexed: 11/11/2022]
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14
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Bay P, Pineton De Chambrun M, Rothstein V, Mahevas M, Roux A, Zuber B, Israël-Biet D, Hervier B, Tazi A, Mouthon L, Mekinian A, Deligny C, Borie R, Meyer A, Priou P, Savale L, Brillet P, Nunes H, Allenbach Y, Uzunhan Y. Les échanges plasmatiques ne semblent pas être associés à un meilleur pronostic chez les patients avec une atteinte pulmonaire rapidement progressive d’une dermatomyosite anti-MDA5. Rev Med Interne 2022. [DOI: 10.1016/j.revmed.2022.03.288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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15
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Martellosio JP, Gastli N, Farhat R, Tazi A, Duraffour P, Rossi B, Canouï E, Morbieu C, Billoët A, Mouthon L, Poyart C, Brézin A, Legendre P. Hypervirulent Klebsiella Pneumoniae, an Emerging Cause of Endogenous Endophthalmitis in A French Center: A Comparative Cohort Study. Ocul Immunol Inflamm 2022:1-9. [PMID: 35413213 DOI: 10.1080/09273948.2022.2061521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
INTRODUCTION Klebsiella pneumoniae (KP) is the most common cause of endogenous endophthalmitis (EE) in Asia, but data in Europe are scarce. We describe eight cases of KP EE compared to a cohort of EE in a French center. METHODS EE cases were retrospectively studied between January 2014 and January 2021. KP EE cases were analyzed to assess clinical, microbiological features, and outcome. RESULTS Among the 33 EE cases identified, the first causative agent (24%, n = 8) was KP, mainly (7/8) with hypervirulent phenotype (hvKP). All but one of these cases occurred from December 2019 to January 2021. Contrary to non-KP patients, KP patients had multiple extraocular infective foci (p = .006), all presented with liver abscesses (p < .001), 50% had cerebral involvement (p = .13). Visual outcome was poor in both groups. CONCLUSION KP is an emerging cause of EE in a French center, consistently associated with liver abscesses, frequent cerebral involvement, and predominance of hvKP strains.
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Affiliation(s)
- Jean-Philippe Martellosio
- Service de Médecine Interne, Centre de Référence Maladies Auto-immunes Systémiques Rares d'Ile de France, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris (AP-HP); APHP-CUP, Hôpital Cochin, Université de Paris, Paris, France.,Service de Médecine interne, maladies infectieuses et tropicales, Centre hospitalier universitaire de Poitiers, Poitiers, France
| | - Nabil Gastli
- APHP-CUP, Hôpital Cochin, Université de ParisService de Bactériologie, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Rebecca Farhat
- APHP-CUP, Hôpital Cochin, Université de ParisService d'Ophtalmologie, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Asmaa Tazi
- APHP-CUP, Hôpital Cochin, Université de ParisService de Bactériologie, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Pierre Duraffour
- APHP-CUP, Hôpital Cochin, Université de ParisService d'Ophtalmologie, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Benjamin Rossi
- médecine interne, maladies infectieuses, Centre hospitalier intercommunal de Robert BallengerService de , Aulnay-sous-bois, France
| | - Etienne Canouï
- Equipe mobile d'infectiologie, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris (AP-HP), APHP-CUP, Hôpital Cochin, Université de Paris, Paris, France
| | - Caroline Morbieu
- Service de Médecine Interne, Centre de Référence Maladies Auto-immunes Systémiques Rares d'Ile de France, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris (AP-HP); APHP-CUP, Hôpital Cochin, Université de Paris, Paris, France
| | - Annick Billoët
- APHP-CUP, Hôpital Cochin, Université de ParisService de Bactériologie, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Luc Mouthon
- Service de Médecine Interne, Centre de Référence Maladies Auto-immunes Systémiques Rares d'Ile de France, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris (AP-HP); APHP-CUP, Hôpital Cochin, Université de Paris, Paris, France
| | - Claire Poyart
- APHP-CUP, Hôpital Cochin, Université de ParisService de Bactériologie, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Antoine Brézin
- APHP-CUP, Hôpital Cochin, Université de ParisService d'Ophtalmologie, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Paul Legendre
- Service de Médecine Interne, Centre de Référence Maladies Auto-immunes Systémiques Rares d'Ile de France, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris (AP-HP); APHP-CUP, Hôpital Cochin, Université de Paris, Paris, France
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16
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Plainvert C, de Saint Salvy-Tabet Y, Dmytruk N, Frigo A, Poyart C, Tazi A. Group B Streptococcus invasive infections in women of childbearing age, France, 2012 - 2020 : GBS CC-17 hypervirulence in intrapartum infections. J Infect Dis 2022; 226:541-545. [PMID: 35235664 DOI: 10.1093/infdis/jiac076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 03/01/2022] [Indexed: 11/13/2022] Open
Abstract
Group B Streptococcus (GBS) is the leading cause of neonatal infections and an important pathogen in pregnancy. However, the features of pregnancy-associated infections are poorly reported. We analyzed 336 cases of GBS invasive infections in women aged 18 to 50 years old, including 242 (72.0%) pregnancy-associated infections. In pregnancy, most cases were intra-amniotic infections (55.8%), occurred preterm (61.3%) and were associated to obstetrical and neonatal complications (81.7%). The GBS clone CC-17 (18.8% of the cases) was overrepresented intrapartum (35.2%; OR = 5.1, 95% CI 1.6-19.3). This work highlights the burden of GBS and of the CC-17 clone infections during pregnancy.
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Affiliation(s)
- Céline Plainvert
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Center for Streptococci, FHU Prematurity, Paris, 75014, France.,Assistance Publique - Hôpitaux de Paris, Cochin Hospital, Paris, 75014, France.,Cochin Institute, INSERM U1016, UMR CNRS 8104, Team Bacteria and Perinatality, Paris, 74014, France
| | - Yasmina de Saint Salvy-Tabet
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Center for Streptococci, FHU Prematurity, Paris, 75014, France
| | - Nicolas Dmytruk
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Center for Streptococci, FHU Prematurity, Paris, 75014, France.,Assistance Publique - Hôpitaux de Paris, Cochin Hospital, Paris, 75014, France
| | - Amandine Frigo
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Center for Streptococci, FHU Prematurity, Paris, 75014, France.,Assistance Publique - Hôpitaux de Paris, Cochin Hospital, Paris, 75014, France
| | - Claire Poyart
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Center for Streptococci, FHU Prematurity, Paris, 75014, France.,Assistance Publique - Hôpitaux de Paris, Cochin Hospital, Paris, 75014, France.,Cochin Institute, INSERM U1016, UMR CNRS 8104, Team Bacteria and Perinatality, Paris, 74014, France.,University of Paris, France
| | - Asmaa Tazi
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Center for Streptococci, FHU Prematurity, Paris, 75014, France.,Assistance Publique - Hôpitaux de Paris, Cochin Hospital, Paris, 75014, France.,Cochin Institute, INSERM U1016, UMR CNRS 8104, Team Bacteria and Perinatality, Paris, 74014, France.,University of Paris, France
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17
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Rouland M, Beaudoin L, Rouxel O, Bertrand L, Cagninacci L, Saffarian A, Pedron T, Gueddouri D, Guilmeau S, Burnol AF, Rachdi L, Tazi A, Mouriès J, Rescigno M, Vergnolle N, Sansonetti P, Christine Rogner U, Lehuen A. Gut mucosa alterations and loss of segmented filamentous bacteria in type 1 diabetes are associated with inflammation rather than hyperglycaemia. Gut 2022; 71:296-308. [PMID: 33593807 DOI: 10.1136/gutjnl-2020-323664] [Citation(s) in RCA: 10] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 02/01/2021] [Accepted: 02/02/2021] [Indexed: 01/11/2023]
Abstract
OBJECTIVE Type 1 diabetes (T1D) is an autoimmune disease caused by the destruction of pancreatic β-cells producing insulin. Both T1D patients and animal models exhibit gut microbiota and mucosa alterations, although the exact cause for these remains poorly understood. We investigated the production of key cytokines controlling gut integrity, the abundance of segmented filamentous bacteria (SFB) involved in the production of these cytokines, and the respective role of autoimmune inflammation and hyperglycaemia. DESIGN We used several mouse models of autoimmune T1D as well as mice rendered hyperglycaemic without inflammation to study gut mucosa and microbiota dysbiosis. We analysed cytokine expression in immune cells, epithelial cell function, SFB abundance and microbiota composition by 16S sequencing. We assessed the role of anti-tumour necrosis factor α on gut mucosa inflammation and T1D onset. RESULTS We show in models of autoimmune T1D a conserved loss of interleukin (IL)-17A, IL-22 and IL-23A in gut mucosa. Intestinal epithelial cell function was altered and gut integrity was impaired. These defects were associated with dysbiosis including progressive loss of SFB. Transfer of diabetogenic T-cells recapitulated these gut alterations, whereas induction of hyperglycaemia with no inflammation failed to do so. Moreover, anti-inflammatory treatment restored gut mucosa and immune cell function and dampened diabetes incidence. CONCLUSION Our results demonstrate that gut mucosa alterations and dysbiosis in T1D are primarily linked to inflammation rather than hyperglycaemia. Anti-inflammatory treatment preserves gut homeostasis and protective commensal flora reducing T1D incidence.
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Affiliation(s)
- Matthieu Rouland
- Université de Paris, Institut Cochin, INSERM U1016, CNRS UMR 8104, Paris, France.,Laboratoire d'Excellence Inflamex, Université de Paris, Paris, France
| | - Lucie Beaudoin
- Université de Paris, Institut Cochin, INSERM U1016, CNRS UMR 8104, Paris, France.,Laboratoire d'Excellence Inflamex, Université de Paris, Paris, France
| | - Ophélie Rouxel
- Université de Paris, Institut Cochin, INSERM U1016, CNRS UMR 8104, Paris, France.,Laboratoire d'Excellence Inflamex, Université de Paris, Paris, France
| | - Léo Bertrand
- Université de Paris, Institut Cochin, INSERM U1016, CNRS UMR 8104, Paris, France.,Laboratoire d'Excellence Inflamex, Université de Paris, Paris, France
| | - Lucie Cagninacci
- Université de Paris, Institut Cochin, INSERM U1016, CNRS UMR 8104, Paris, France.,Laboratoire d'Excellence Inflamex, Université de Paris, Paris, France
| | | | | | - Dalale Gueddouri
- Université de Paris, Institut Cochin, INSERM U1016, CNRS UMR 8104, Paris, France
| | - Sandra Guilmeau
- Université de Paris, Institut Cochin, INSERM U1016, CNRS UMR 8104, Paris, France
| | | | - Latif Rachdi
- Université de Paris, Institut Cochin, INSERM U1016, CNRS UMR 8104, Paris, France
| | - Asmaa Tazi
- Université de Paris, Institut Cochin, INSERM U1016, CNRS UMR 8104, Paris, France
| | - Juliette Mouriès
- Department of Biomedical Sciences - IRCCS, Via Rita Levi Montalcini, 20090 Pieve Emanuele, Humanitas University, Milan, Italy.,IRCCS, Via Manzoni 56, 20089 Rozzano, Humanitas Clinical and Research Center, Milan, Italy
| | - Maria Rescigno
- Department of Biomedical Sciences - IRCCS, Via Rita Levi Montalcini, 20090 Pieve Emanuele, Humanitas University, Milan, Italy.,IRCCS, Via Manzoni 56, 20089 Rozzano, Humanitas Clinical and Research Center, Milan, Italy
| | - Nathalie Vergnolle
- Université de Toulouse, Institut de Recherche en Santé Digestive, INSERM U1220, INRAE, ENVT, Toulouse, France
| | | | - Ute Christine Rogner
- Université de Paris, Institut Cochin, INSERM U1016, CNRS UMR 8104, Paris, France.,Laboratoire d'Excellence Inflamex, Université de Paris, Paris, France
| | - Agnès Lehuen
- Université de Paris, Institut Cochin, INSERM U1016, CNRS UMR 8104, Paris, France .,Laboratoire d'Excellence Inflamex, Université de Paris, Paris, France
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18
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Deshayes de Cambronne R, Fouet A, Picart A, Bourrel AS, Anjou C, Bouvier G, Candeias C, Bouaboud A, Costa L, Boulay AC, Cohen-Salmon M, Plu I, Rambaud C, Faurobert E, Albigès-Rizo C, Tazi A, Poyart C, Guignot J. CC17 group B Streptococcus exploits integrins for neonatal meningitis development. J Clin Invest 2021; 131:136737. [PMID: 33465054 DOI: 10.1172/jci136737] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 01/13/2021] [Indexed: 12/28/2022] Open
Abstract
Group B Streptococcus (GBS) is the major cause of human neonatal infections. A single clone, designated CC17-GBS, accounts for more than 80% of meningitis cases, the most severe form of the infection. However, the events allowing blood-borne GBS to penetrate the brain remain largely elusive. In this study, we identified the host transmembrane receptors α5β1 and αvβ3 integrins as the ligands of Srr2, a major CC17-GBS-specific adhesin. Two motifs located in the binding region of Srr2 were responsible for the interaction between CC17-GBS and these integrins. We demonstrated in a blood-brain-barrier cellular model that both integrins contributed to the adhesion and internalization of CC17-GBS. Strikingly, both integrins were overexpressed during the postnatal period in the brain vessels of the blood-brain barrier and blood-cerebrospinal fluid barrier and contributed to juvenile susceptibility to CC17 meningitis. Finally, blocking these integrins decreased the ability of CC17-GBS to cross into the CNS of juvenile mice in an in vivo model of meningitis. Our study demonstrated that CC17-GBS exploits integrins in order to cross the brain vessels, leading to meningitis. Importantly, it provides host molecular insights into neonate's susceptibility to CC17-GBS meningitis, thereby opening new perspectives for therapeutic and prevention strategies of GBS-elicited meningitis.
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Affiliation(s)
| | - Agnès Fouet
- Université de Paris, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France
| | - Amandine Picart
- Université de Paris, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France
| | - Anne-Sophie Bourrel
- Université de Paris, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France.,Hôpitaux Universitaires Paris Centre, Cochin, Assistance Publique Hôpitaux de Paris, France
| | - Cyril Anjou
- Université de Paris, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France
| | - Guillaume Bouvier
- Structural Bioinformatics Unit, Department of Structural Biology and Chemistry, Institut Pasteur, CNRS UMR3528, C3BI, Paris, France
| | - Cristina Candeias
- Université de Paris, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France
| | - Abdelouhab Bouaboud
- Université de Paris, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France
| | - Lionel Costa
- Université de Paris, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France
| | - Anne-Cécile Boulay
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS UMR7241, INSERM U1050, PSL Research University, Paris, France
| | - Martine Cohen-Salmon
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS UMR7241, INSERM U1050, PSL Research University, Paris, France
| | - Isabelle Plu
- Sorbonne Université/Département de Neuropathologie Raymond Escourolle - Hôpital Pitié-Salpêtrière - Assistance Publique-Hôpitaux de Paris, France
| | - Caroline Rambaud
- Université de Versailles Saint Quentin en Yvelines (Université Paris-Saclay)/Service d'anatomie-pathologique et médecine légale, Hôpital Raymond Poincaré, Garches, France
| | - Eva Faurobert
- INSERM U1209, CNRS UMR 5309, Institute for Advanced Biosciences, France/Université Grenoble Alpes, La Tronche, France
| | - Corinne Albigès-Rizo
- INSERM U1209, CNRS UMR 5309, Institute for Advanced Biosciences, France/Université Grenoble Alpes, La Tronche, France
| | - Asmaa Tazi
- Université de Paris, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France.,Hôpitaux Universitaires Paris Centre, Cochin, Assistance Publique Hôpitaux de Paris, France.,Centre National de Référence des Streptocoques, France
| | - Claire Poyart
- Université de Paris, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France.,Hôpitaux Universitaires Paris Centre, Cochin, Assistance Publique Hôpitaux de Paris, France.,Centre National de Référence des Streptocoques, France
| | - Julie Guignot
- Université de Paris, Institut Cochin, INSERM, U1016, CNRS, UMR8104, Paris, France
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19
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Martellosio J, Gastli N, Farhat R, Tazi A, Duraffour P, Canouï E, Billoët A, Poyart C, Brézin A, Legendre P. Klebsiella pneumoniae hypervirulente est une bactérie émergente responsable d’endophtalmie endogène en France : une étude de cohorte comparative. Infect Dis Now 2021. [DOI: 10.1016/j.idnow.2021.06.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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20
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Plainvert C, Hays C, Touak G, Joubrel-Guyot C, Dmytruk N, Frigo A, Poyart C, Tazi A. Multidrug-Resistant Hypervirulent Group B Streptococcus in Neonatal Invasive Infections, France, 2007-2019. Emerg Infect Dis 2021; 26:2721-2724. [PMID: 33079049 PMCID: PMC7588536 DOI: 10.3201/eid2611.201669] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
We analyzed group B Streptococcus (GBS) neonatal invasive infections reported during 2007–2019 in France. The hypervirulent clonal complex (CC) 17 GBS was responsible for 66% (827/1,262) of cases. The role of CC17 GBS increased over time (p for trend = 0.0001), together with the emergence of a multidrug-resistant CC17 GBS sublineage.
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21
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Sese L, Nunes H, Cottin V, Israel-Biet D, Crestani B, Guillot Dudoret S, Cadranel J, Wallaert B, Tazi A, Maître B, Prévot G, Marchand-Adam S, Hirschi S, Dury S, Giraud V, Gondouin A, Bonniaud P, Traclet J, Juvin K, Borie R, Carton Z, Caliez J, Freynet O, Gille T, Planes C, Valeyre D, Uzunhan Y. Gender differences in idiopathic pulmonary fibrosis: Are men and women equal or not? Rev Mal Respir 2021. [DOI: 10.1016/j.rmr.2021.02.045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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22
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Sese L, Caliez J, Annesi-Maesano I, Cottin V, Pesce G, Didier M, Carton Z, Israel-Biet D, Crestani B, Guillot Dudoret S, Cadranel J, Wallaert B, Tazi A, Maître B, Prévot G, Marchand-Adam S, Hirschi S, Dury S, Giraud V, Gondouin A, Bonniaud P, Traclet J, Juvin K, Borie R, Bernaudin J, Valeyre D, Cavalin C, Nunes H. Low income and progression free survival in idiopathic pulmonary fibrosis: An association to uncover. Rev Mal Respir 2021. [DOI: 10.1016/j.rmr.2021.02.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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23
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Vuillemin X, Hays C, Plainvert C, Dmytruk N, Louis M, Touak G, Saint-Pierre B, Adoux L, Letourneur F, Frigo A, Poyart C, Tazi A. Invasive group B Streptococcus infections in non-pregnant adults: a retrospective study, France, 2007-2019. Clin Microbiol Infect 2020; 27:129.e1-129.e4. [PMID: 33007472 DOI: 10.1016/j.cmi.2020.09.037] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/07/2020] [Accepted: 09/18/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVES Group B Streptococcus (GBS) (Streptococcus agalactiae) is a pathogen of growing importance in adults. The objective of this study was to describe the features of invasive infections by GBS in non-pregnant adults. METHODS GBS infections were reported to the national reference centre for streptococci. Clinical information was abstracted from questionnaires. Capsular typing, identification of the hypervirulent CC-17 clone, and antibiotic susceptibility testing were performed for all GBS isolates. Multi-locus sequence typing and assignment to clonal complexes (CCs) was performed on a representative sample of 324 isolates. RESULTS In total, 1960 GBS invasive infections were analysed from 2007 to 2019. The median age at onset was 71 years old (range 18-103). The main manifestation was bacteraemia without focus (54.5%). Meningitis was more frequent in patients under 40 (26/180, 14.4% versus 78/1780, 4.4%, p < 0.0001). Capsular types Ia, Ib, II, III and V accounted for 91.0% of the cases (1786/1960). CC-1, -10, -17, -19 and -23 accounted for 96.3% (312/324) of the cases. Capsular type III and CC-17 were overrepresented in meningitis (38/104, 36.5%, p < 0.001 and 22/104, 21.2%, p 0.01, respectively). All isolates were susceptible to β-lactam antibiotics. Resistance to erythromycin (32.7%) and clindamycin (26.3%) remained stable, whereas decreased susceptibility to fluoroquinolones increased, reaching 2.7% in 2019 (p for trend 0.002). CONCLUSIONS This work highlights the susceptibility of the elderly to GBS infections and differences in the clinical manifestations according to the patients' age and GBS type. In agreement with worldwide reports on emerging multidrug-resistant GBS, it reinforces the need for a continued surveillance of GBS epidemiology.
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Affiliation(s)
- Xavier Vuillemin
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Centre for Streptococci, Assistance Publique-Hôpitaux de Paris, France
| | - Constantin Hays
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Centre for Streptococci, Assistance Publique-Hôpitaux de Paris, France; Cochin Institute, INSERM U1016, UMR CNRS 8104, Team Bacteria and Perinatality, France; University of Paris, Paris, France
| | - Céline Plainvert
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Centre for Streptococci, Assistance Publique-Hôpitaux de Paris, France; Cochin Institute, INSERM U1016, UMR CNRS 8104, Team Bacteria and Perinatality, France
| | - Nicolas Dmytruk
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Centre for Streptococci, Assistance Publique-Hôpitaux de Paris, France
| | - Mathilde Louis
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Centre for Streptococci, Assistance Publique-Hôpitaux de Paris, France
| | - Gérald Touak
- Cochin Institute, INSERM U1016, UMR CNRS 8104, Team Bacteria and Perinatality, France
| | | | - Lucie Adoux
- Cochin Institute, INSERM U1016, UMR CNRS 8104, Genomic Platform, France
| | - Franck Letourneur
- Cochin Institute, INSERM U1016, UMR CNRS 8104, Genomic Platform, France
| | - Amandine Frigo
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Centre for Streptococci, Assistance Publique-Hôpitaux de Paris, France
| | - Claire Poyart
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Centre for Streptococci, Assistance Publique-Hôpitaux de Paris, France; Cochin Institute, INSERM U1016, UMR CNRS 8104, Team Bacteria and Perinatality, France; University of Paris, Paris, France
| | - Asmaa Tazi
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Centre for Streptococci, Assistance Publique-Hôpitaux de Paris, France; Cochin Institute, INSERM U1016, UMR CNRS 8104, Team Bacteria and Perinatality, France; University of Paris, Paris, France.
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24
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Charpentier C, Kouby F, Hua C, Sbidian E, Darty M, Bosc R, De Prost N, Gomart C, Woerther PL, Tazi A, Decousser JW, Chosidow O. Group B streptococcal necrotizing soft-tissue infection: role of pharyngeal and perineal carriage. J Eur Acad Dermatol Venereol 2020; 35:e227-e228. [PMID: 32931041 DOI: 10.1111/jdv.16943] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- C Charpentier
- Department of Dermatology, Henri Mondor Hospital, Créteil, France
| | - F Kouby
- Department of Dermatology, Henri Mondor Hospital, Créteil, France
| | - C Hua
- Department of Dermatology, Henri Mondor Hospital, Créteil, France
| | - E Sbidian
- Department of Dermatology, Henri Mondor Hospital, Créteil, France.,EA 7379 EpiDermE (Epidémiologie en Dermatologie et Evaluation des Thérapeutiques), UPEC, Créteil, France
| | - M Darty
- Sequencing platform NGS, University Hospital Henri Mondor, Créteil, France
| | - R Bosc
- Department of Plastic, Reconstructive and Aesthetic Surgery, Henri Mondor Hospital, Créteil, France
| | - N De Prost
- Department of Medical Intensive Care Unit, Henri Mondor Hospital, Créteil, France
| | - C Gomart
- Department of Bacteriology and Infection Control, Henri Mondor Hospital, Créteil, France
| | - P-L Woerther
- Department of Bacteriology and Infection Control, Henri Mondor Hospital, Créteil, France.,EA 7380 Dynamyc, Paris Est Créteil University, Créteil, France
| | - A Tazi
- CNR Streptococci, Cochin Hospital, Paris, France.,Descartes University, Sorbonne, Paris, France.,INSERM U 1016, Cochin, Paris, France
| | - J-W Decousser
- Department of Bacteriology and Infection Control, Henri Mondor Hospital, Créteil, France.,EA 7380 Dynamyc, Paris Est Créteil University, Créteil, France
| | - O Chosidow
- Department of Dermatology, Henri Mondor Hospital, Créteil, France.,EA 7379 EpiDermE (Epidémiologie en Dermatologie et Evaluation des Thérapeutiques), UPEC, Créteil, France.,INSERM CIC 1430, Créteil, France.,UPEC Université Paris-Est Créteil, Créteil, France
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25
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Plainvert C, Anselem O, Joubrel C, Marcou V, Falloukh A, Frigo A, Magdoud El Alaoui F, Ancel PY, Jarreau PH, Mandelbrot L, Goffinet F, Poyart C, Tazi A. Persistence of group B Streptococcus vaginal colonization and prevalence of hypervirulent CC-17 clone correlate with the country of birth: a prospective 3-month follow-up cohort study. Eur J Clin Microbiol Infect Dis 2020; 40:133-140. [PMID: 32812077 DOI: 10.1007/s10096-020-04011-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 08/11/2020] [Indexed: 01/10/2023]
Abstract
To identify factors associated with vaginal colonization and persistence by group B Streptococcus (GBS) and by the hypervirulent neonatal CC-17 clone in late pregnancy and after delivery, a multicentre prospective observational cohort with 3-month follow-up was established in two university hospitals, Paris area, France. Pregnant women were recruited when antenatal screening for GBS vaginal colonization at 34-38 weeks of gestational age was positive. Vaginal samples were analysed by conventional culture methods at antenatal screening, delivery, and 21 and 60 days following delivery. Identification of the hypervirulent neonatal GBS CC-17 was performed. Colonization was defined as persistent when all vaginal samples were positive for GBS. A total of 754 women were included. GBS vaginal colonization was persistent in 63% of the cases (95% CI 59%-67%). Persistent colonization was more likely in women born in Sub-Saharan Africa compared with women born in France (OR = 1.88, 95% CI 1.05-3.52), and GBS CC-17 was overrepresented in women born in Sub-Saharan Africa (OR = 2.09, 95% CI 1.20-3.57). Women born in Sub-Saharan Africa are at higher risk for GBS vaginal persistence than women born in France. This observation correlates with an increased prevalence of the hypervirulent GBS CC-17 in the former group, which likely reflect variations linked to ethnicity and vaginal community-state types and might account for the increased susceptibility of black neonates to GBS infections.
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Affiliation(s)
- Céline Plainvert
- Department of Bacteriology, University Hospitals Paris Centre Cochin Port Royal, French National Reference Centre for Streptococci, AP-HP, Paris, France
- FHU Prema, Paris, France
| | - Olivia Anselem
- FHU Prema, Paris, France
- Department of Obstetrics and Gynaecology, Port-Royal Maternity, University Hospitals Paris Centre Cochin Port Royal, AP-HP, Paris, France
| | - Caroline Joubrel
- Department of Bacteriology, University Hospitals Paris Centre Cochin Port Royal, French National Reference Centre for Streptococci, AP-HP, Paris, France
- FHU Prema, Paris, France
| | - Valérie Marcou
- FHU Prema, Paris, France
- Department of Neonatal Medicine, University Hospitals Paris Centre Cochin Port Royal, AP-HP, Paris, France
| | - Amiel Falloukh
- Department of Neonatal Medicine, Louis Mourier Hospital, AP-HP, Colombes, France
| | - Amandine Frigo
- Department of Bacteriology, University Hospitals Paris Centre Cochin Port Royal, French National Reference Centre for Streptococci, AP-HP, Paris, France
- FHU Prema, Paris, France
| | - Fatma Magdoud El Alaoui
- Department of Microbiology, Louis Mourier Hospital, AP-HP, Colombes, France
- Université de Paris, Paris, France
| | - Pierre-Yves Ancel
- Université de Paris, Paris, France
- Obstetrical, Perinatal and Paediatric Epidemiology Research Team (EPOPé), INSERM UMR 1153, Paris, France
- URC-CIC P1419, University Hospitals Paris Centre Cochin Port Royal, AP-HP, Paris, France
| | - Pierre Henri Jarreau
- FHU Prema, Paris, France
- Department of Neonatal Medicine, University Hospitals Paris Centre Cochin Port Royal, AP-HP, Paris, France
- Université de Paris, Paris, France
| | - Laurent Mandelbrot
- FHU Prema, Paris, France
- Université de Paris, Paris, France
- Department of Obstetrics and Gynaecology, Louis Mourier Hospital, AP-HP, Colombes, France
| | - François Goffinet
- Department of Obstetrics and Gynaecology, Port-Royal Maternity, University Hospitals Paris Centre Cochin Port Royal, AP-HP, Paris, France
- Université de Paris, Paris, France
- Obstetrical, Perinatal and Paediatric Epidemiology Research Team (EPOPé), INSERM UMR 1153, Paris, France
| | - Claire Poyart
- Department of Bacteriology, University Hospitals Paris Centre Cochin Port Royal, French National Reference Centre for Streptococci, AP-HP, Paris, France
- FHU Prema, Paris, France
- Université de Paris, Paris, France
| | - Asmaa Tazi
- Department of Bacteriology, University Hospitals Paris Centre Cochin Port Royal, French National Reference Centre for Streptococci, AP-HP, Paris, France.
- FHU Prema, Paris, France.
- Université de Paris, Paris, France.
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26
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Ghanem M, Naccache JM, Bonneterre V, L'huillier JP, Guillaud Segard B, Lazor R, Tazi A, Gondouin A, Israël-Biet D, Marquignon MF, Cottin V, Valeyre D, Marchand-Adam S. [Diagnostic difficulties of chronic pulmonary berylliosis in France]. Rev Mal Respir 2020; 37:364-368. [PMID: 32279890 DOI: 10.1016/j.rmr.2020.03.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Accepted: 03/04/2020] [Indexed: 11/16/2022]
Abstract
INTRODUCTION The epidemiology of chronic beryllium disease (CBD) in France is poorly understood. The aim of this study was to determine the number of prevalent cases of CBD in France between 2010 and 2014. METHODS We conducted a national survey using a specific questionnaire distributed by the professional pathology services. RESULTS In total, 33 CBD cases were reported in France, with a diagnosis established between 1982 and 2014. 85% (28/33) of CBD cases resulted from professional exposure and mostly concerned foundry workers (39%). A definite diagnosis defined by the association of an abnormal beryllium lymphocyte proliferation test and of a granulomatous inflammatory response in the lung, was obtained in 29/33 cases (88%). The other cases were probable CBD, defined by a granulomatous lung disease with a beryllium exposure, but without evidence of beryllium sensitisation. The diagnosis of granulomatous disease was confirmed a mean of 4 years after the end of exposure. The median delay between diagnosis of a granulomatous disease and diagnosis of CBD was 2 years (range 0-38 years). A genetic predisposition was found in 14 of 17 tested patients (82%). CONCLUSION In this study, we report 33 cases of CBD followed in France between 2010 and 2014. The poor understanding of CBD and the exposure leading to it, the late development after the end of exposure, the complexity of the diagnosis and the similarities with sarcoidosis may explain the small number of cases reported.
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Affiliation(s)
- M Ghanem
- Service de pneumologie, centre de compétences des maladies pulmonaires rares de la région Centre, hôpital Bretonneau, CHRU de Tours, Tours, France
| | - J M Naccache
- Service de pneumologie, centre constitutif pour les maladies pulmonaires rares, hôpital Avicenne, CHU de Paris Seine-Saint-Denis, Bobigny, France
| | - V Bonneterre
- Médecine du travail, CHU de Grenoble, Grenoble, France
| | - J P L'huillier
- Service de pneumologie, centre hospitalier intercommunal, Créteil, France
| | | | - R Lazor
- Service de pneumologie, CHU de Vaudois, Lausanne, Suisse
| | - A Tazi
- Service de pneumologie, Hôpital Saint-Louis, AP-HP, Paris, France
| | - A Gondouin
- Service de pneumologie, CHRU de Besançon, Besançon, France
| | - D Israël-Biet
- Service de pneumologie, faculté de médecine Paris Descartes, centre de compétence maladies pulmonaires rares, hôpital européen Georges-Pompidou, AP-HP, Paris, France
| | | | - V Cottin
- Service de pneumologie, CHU de Vaudois, Lausanne, Suisse
| | - D Valeyre
- Service de pneumologie, centre constitutif pour les maladies pulmonaires rares, hôpital Avicenne, CHU de Paris Seine-Saint-Denis, Bobigny, France
| | - S Marchand-Adam
- Service de pneumologie, centre de compétences des maladies pulmonaires rares de la région Centre, hôpital Bretonneau, CHRU de Tours, Tours, France; CEPR InsermU1100, Université Francois-Rabelais de Tours, Tours, France.
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27
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Araújo JR, Tazi A, Burlen-Defranoux O, Vichier-Guerre S, Nigro G, Licandro H, Demignot S, Sansonetti PJ. Fermentation Products of Commensal Bacteria Alter Enterocyte Lipid Metabolism. Cell Host Microbe 2020; 27:358-375.e7. [PMID: 32101704 DOI: 10.1016/j.chom.2020.01.028] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 10/29/2019] [Accepted: 01/10/2020] [Indexed: 01/25/2023]
Abstract
Despite the recognized capacity of the gut microbiota to regulate intestinal lipid metabolism, the role of specific commensal species remains undefined. Here, we aimed to understand the bacterial effectors and molecular mechanisms by which Lactobacillus paracasei and Escherichia coli regulate lipid metabolism in enterocytes. We show that L-lactate produced by L. paracasei inhibits chylomicron secretion from enterocytes and promotes lipid storage by a mechanism involving L-lactate absorption by enterocytes, its conversion to malonyl-CoA, and the subsequent inhibition of lipid beta-oxidation. In contrast, acetate produced by E. coli also inhibits chylomicron secretion by enterocytes but promotes lipid oxidation by a mechanism involving acetate absorption by enterocytes, its metabolism to acetyl-CoA and AMP, and the subsequent upregulation of the AMPK/PGC-1α/PPARα pathway. Our study opens perspectives for developing specific bacteria- and metabolite-based therapeutic interventions against obesity, atherosclerosis, and malnutrition by targeting lipid metabolism in enterocytes.
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Affiliation(s)
- João R Araújo
- Unité de Pathogénie Microbienne Moléculaire, Institut Pasteur, INSERM U1202, 75015 Paris, France
| | - Asmaa Tazi
- Unité de Pathogénie Microbienne Moléculaire, Institut Pasteur, INSERM U1202, 75015 Paris, France
| | | | | | - Giulia Nigro
- Unité de Pathogénie Microbienne Moléculaire, Institut Pasteur, INSERM U1202, 75015 Paris, France
| | - Hélène Licandro
- PAM UMR A 02.102, Université de Bourgogne Franche-Comté, AgroSup Dijon, Dijon, France
| | - Sylvie Demignot
- Centre de Recherche des Cordeliers, INSERM U1138, Sorbonne Université, Université Paris Descartes, CNRS, EPHE, PSL University, Sorbonne Paris Cité, 75006 Paris, France
| | - Philippe J Sansonetti
- Unité de Pathogénie Microbienne Moléculaire, Institut Pasteur, INSERM U1202, 75015 Paris, France; Collège de France, 75005, Paris, France.
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Bonnet P, Moguelet P, Abisror N, Itzykson R, Bouaziz JD, Hirsch P, Barbaud A, Haroche J, Mekinian A, Hélias-Rodzewicz Z, Clappier E, Fenaux P, Fain O, Tazi A, Emile JF, Chasset F. Identification de mutations clonales identiques dans les xanthélasma palpébraux de maladie d’Erdheim-Chester associés à des leucémies myélomonocytaires chroniques: à propos de 3 cas. Ann Dermatol Venereol 2019. [DOI: 10.1016/j.annder.2019.09.146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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29
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Hays C, Touak G, Bouaboud A, Fouet A, Guignot J, Poyart C, Tazi A. Perinatal hormones favor CC17 group B Streptococcus intestinal translocation through M cells and hypervirulence in neonates. eLife 2019; 8:48772. [PMID: 31710290 PMCID: PMC6867712 DOI: 10.7554/elife.48772] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [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: 05/24/2019] [Accepted: 11/09/2019] [Indexed: 01/01/2023] Open
Abstract
Group B Streptococcus (GBS) is the leading cause of invasive bacterial neonatal infections. Late-onset diseases (LOD) occur between 7 and 89 days of life and are largely due to the CC17 GBS hypervirulent clone. We studied the impact of estradiol (E2) and progesterone (P4), which impregnate the fetus during pregnancy, on GBS neonatal infection in cellular and mouse models of hormonal exposure corresponding to concentrations found at birth (E2-P4 C0) and over 7 days old (E2-P4 C7). Using representative GBS isolates, we show that E2-P4 C7 concentrations specifically favor CC17 GBS meningitis following mice oral infection. CC17 GBS crosses the intestinal barrier through M cells. This process mediated by the CC17-specific surface protein Srr2 is enhanced by E2-P4 C7 concentrations which promote M cell differentiation and CC17 GBS invasiveness. Our findings provide an explanation for CC17 GBS responsibility in LOD in link with neonatal gastrointestinal tract maturation and hormonal imprint.
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Affiliation(s)
- Constantin Hays
- Institut Cochin, Team Bacteria and Perinatality, INSERM U1016, Paris, France.,CNRS UMR 8104, Paris, France.,Paris Descartes University, Paris, France.,Department of Bacteriology, University Hospitals Paris Centre-Cochin, Assistance Publique - Hôpitaux de Paris, Paris, France
| | - Gérald Touak
- Institut Cochin, Team Bacteria and Perinatality, INSERM U1016, Paris, France.,CNRS UMR 8104, Paris, France.,Paris Descartes University, Paris, France
| | - Abdelouhab Bouaboud
- Institut Cochin, Team Bacteria and Perinatality, INSERM U1016, Paris, France.,CNRS UMR 8104, Paris, France.,Paris Descartes University, Paris, France
| | - Agnès Fouet
- Institut Cochin, Team Bacteria and Perinatality, INSERM U1016, Paris, France.,CNRS UMR 8104, Paris, France.,Paris Descartes University, Paris, France
| | - Julie Guignot
- Institut Cochin, Team Bacteria and Perinatality, INSERM U1016, Paris, France.,CNRS UMR 8104, Paris, France.,Paris Descartes University, Paris, France
| | - Claire Poyart
- Institut Cochin, Team Bacteria and Perinatality, INSERM U1016, Paris, France.,CNRS UMR 8104, Paris, France.,Paris Descartes University, Paris, France.,Department of Bacteriology, University Hospitals Paris Centre-Cochin, Assistance Publique - Hôpitaux de Paris, Paris, France.,National Reference Center for Streptococci, Paris, France
| | - Asmaa Tazi
- Institut Cochin, Team Bacteria and Perinatality, INSERM U1016, Paris, France.,CNRS UMR 8104, Paris, France.,Paris Descartes University, Paris, France.,Department of Bacteriology, University Hospitals Paris Centre-Cochin, Assistance Publique - Hôpitaux de Paris, Paris, France.,National Reference Center for Streptococci, Paris, France
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30
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Jouenne F, Reger de Moura C, Lorillon G, Meignin V, Dumaz N, Lebbe C, Mourah S, Tazi A. RASA1 loss in a BRAF-mutated Langerhans cell sarcoma: a mechanism of resistance to BRAF inhibitor. Ann Oncol 2019; 30:1170-1172. [PMID: 30977771 DOI: 10.1093/annonc/mdz125] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- F Jouenne
- Paris-Diderot University, Sorbonne Cité, Paris; UMR_S976, INSERM, Paris; Pharmacogenomics Department
| | | | - G Lorillon
- Pulmonology Department, National Reference Centre for Histiocytoses
| | - V Meignin
- Pathology Department, INSERM, UMR_S1165
| | | | - C Lebbe
- Paris-Diderot University, Sorbonne Cité, Paris; UMR_S976, INSERM, Paris; Department of Dermatology Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - S Mourah
- Paris-Diderot University, Sorbonne Cité, Paris; UMR_S976, INSERM, Paris; Pharmacogenomics Department
| | - A Tazi
- Paris-Diderot University, Sorbonne Cité, Paris; UMR_S976, INSERM, Paris; Pulmonology Department, National Reference Centre for Histiocytoses.
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31
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Tazi A, Plainvert C, Anselem O, Ballon M, Marcou V, Seco A, El Alaoui F, Joubrel C, El Helali N, Falloukh E, Frigo A, Raymond J, Trieu-Cuot P, Branger C, Le Monnier A, Azria E, Ancel PY, Jarreau PH, Mandelbrot L, Goffinet F, Poyart C. Risk Factors for Infant Colonization by Hypervirulent CC17 Group B Streptococcus: Toward the Understanding of Late-onset Disease. Clin Infect Dis 2019; 69:1740-1748. [DOI: 10.1093/cid/ciz033] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Accepted: 01/22/2019] [Indexed: 11/12/2022] Open
Abstract
The hypervirulent group B Streptococcus clone CC17 accounts for the majority of infant late-onset disease (LOD). We provide evidence that the high incidence of CC17 in LOD is likely due to an enhanced post-delivery mother-to-infant transmission.
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Affiliation(s)
- Asmaa Tazi
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Center for Streptococci, Assistance Publique - Hôpitaux de Paris (AP-HP)
- Département Hospitalo-Universitaire Risks and Pregnancy
- Team Barriers and Pathogens of Cochin Institute, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016 - Unité Mixte de Recherche Centre National de la Recherche Scientifique (UMR CNRS) 8104
- Paris Descartes University
| | - Céline Plainvert
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Center for Streptococci, Assistance Publique - Hôpitaux de Paris (AP-HP)
- Département Hospitalo-Universitaire Risks and Pregnancy
- Team Barriers and Pathogens of Cochin Institute, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016 - Unité Mixte de Recherche Centre National de la Recherche Scientifique (UMR CNRS) 8104
| | - Olivia Anselem
- Département Hospitalo-Universitaire Risks and Pregnancy
- Paris Descartes University
- Department of Obstetrics and Gynecology, Port-Royal Maternity, University Hospitals Paris Centre Cochin Port Royal, AP-HP
| | - Morgane Ballon
- Département Hospitalo-Universitaire Risks and Pregnancy
- Obstetrical, Perinatal and Pediatric Epidemiology Research Team (Epidémiologie Périnatale, Obstétricale et Pédiatrique), INSERM UMR 1153
| | - Valérie Marcou
- Département Hospitalo-Universitaire Risks and Pregnancy
- Paris Descartes University
- Maternity Unit, Paris Saint Joseph Hospital
| | - Aurélien Seco
- Département Hospitalo-Universitaire Risks and Pregnancy
- Obstetrical, Perinatal and Pediatric Epidemiology Research Team (Epidémiologie Périnatale, Obstétricale et Pédiatrique), INSERM UMR 1153
| | | | - Caroline Joubrel
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Center for Streptococci, Assistance Publique - Hôpitaux de Paris (AP-HP)
- Département Hospitalo-Universitaire Risks and Pregnancy
- Paris Descartes University
| | - Najoua El Helali
- Unité de Recherche Clinique-Centre d’Investigation Clinique P1419, University Hospitals Paris Centre Cochin Port Royal, AP-HP
| | - Emile Falloukh
- Department of Neonatal Medicine, Louis Mourier Hospital, AP-HP
| | - Amandine Frigo
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Center for Streptococci, Assistance Publique - Hôpitaux de Paris (AP-HP)
- Département Hospitalo-Universitaire Risks and Pregnancy
| | - Josette Raymond
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Center for Streptococci, Assistance Publique - Hôpitaux de Paris (AP-HP)
- Département Hospitalo-Universitaire Risks and Pregnancy
- Paris Descartes University
| | - Patrick Trieu-Cuot
- Biology of Gram-Positive Bacterial Pathogens Unit, CNRS Equipe de Recherche Labellisée, Pasteur Institute, Paris
| | - Catherine Branger
- Department of Microbiology, Louis Mourier Hospital, AP-HP
- Infection Antimicrobials Modelling Evolution, INSERM UMR1137, France
| | | | - Elie Azria
- Département Hospitalo-Universitaire Risks and Pregnancy
- Paris Descartes University
- Obstetrical, Perinatal and Pediatric Epidemiology Research Team (Epidémiologie Périnatale, Obstétricale et Pédiatrique), INSERM UMR 1153
- Maternity Unit, Paris Saint Joseph Hospital
| | - Pierre-Yves Ancel
- Département Hospitalo-Universitaire Risks and Pregnancy
- Paris Descartes University
- Obstetrical, Perinatal and Pediatric Epidemiology Research Team (Epidémiologie Périnatale, Obstétricale et Pédiatrique), INSERM UMR 1153
- Unité de Recherche Clinique-Centre d’Investigation Clinique P1419, University Hospitals Paris Centre Cochin Port Royal, AP-HP
| | - Pierre Henri Jarreau
- Département Hospitalo-Universitaire Risks and Pregnancy
- Paris Descartes University
- Department of Neonatal Medicine, Cochin-Port Royal Hospital, AP-HP
| | - Laurent Mandelbrot
- Département Hospitalo-Universitaire Risks and Pregnancy
- Department of Obstetrics and Gynecology, Louis Mourier Hospital, AP-HP
- Paris Diderot University
- Infection Antimicrobials Modelling Evolution, INSERM UMR1137, France
| | - François Goffinet
- Département Hospitalo-Universitaire Risks and Pregnancy
- Paris Descartes University
- Department of Obstetrics and Gynecology, Port-Royal Maternity, University Hospitals Paris Centre Cochin Port Royal, AP-HP
- Obstetrical, Perinatal and Pediatric Epidemiology Research Team (Epidémiologie Périnatale, Obstétricale et Pédiatrique), INSERM UMR 1153
| | - Claire Poyart
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Center for Streptococci, Assistance Publique - Hôpitaux de Paris (AP-HP)
- Département Hospitalo-Universitaire Risks and Pregnancy
- Team Barriers and Pathogens of Cochin Institute, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016 - Unité Mixte de Recherche Centre National de la Recherche Scientifique (UMR CNRS) 8104
- Paris Descartes University
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Charpentier C, Kouby F, Hua C, Darty M, Bosc R, De Prost N, Sbidian E, Gomart C, Woerther PL, Tazi A, Decousser JW, Chosidow O. Preuve de concept du rôle d’un portage oropharyngé et périnéal dans un cas de fasciite nécrosante à streptocoque du groupe B sans porte d’entrée cutanée. Ann Dermatol Venereol 2018. [DOI: 10.1016/j.annder.2018.09.473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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33
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Roger A, Lorillon G, Groh M, Lependu C, Maillet J, Arangalage D, Tazi A, Lebbe C, Baroudjian B, Delyon J. Granulomatose à éosinophiles avec polyangéite induite par des inhibiteurs du checkpoint immunitaire : un premier cas. Ann Dermatol Venereol 2018. [DOI: 10.1016/j.annder.2018.09.501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Gajic I, Plainvert C, Kekic D, Dmytruk N, Mijac V, Tazi A, Glaser P, Ranin L, Poyart C, Opavski N. Molecular epidemiology of invasive and non-invasive group B Streptococcus circulating in Serbia. Int J Med Microbiol 2018; 309:19-25. [PMID: 30389335 DOI: 10.1016/j.ijmm.2018.10.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 09/19/2018] [Accepted: 10/18/2018] [Indexed: 10/28/2022] Open
Abstract
Streptococcus agalactiae (group B Streptococcus, GBS) remains the leading cause of invasive diseases in neonates and an important cause of infections in the elderly. The aim of this study was to access the prevalence of GBS genito-rectal colonisation of pregnant women and to evaluate the genetic characteristics of invasive and non-invasive GBS isolates recovered throughout Serbia. A total of 432 GBS isolates were tested for antimicrobial susceptibility, capsular polysaccharide (CPS) types and the presence of the hvgA gene. One hundred one randomly selected isolates were further characterized by clustered regularly interspaced short palindromic repeats (CRISPRs) analysis and/or multilocus sequence typing (MLST). The prevalence of GBS colonization in pregnant women was 15%. Overall, six capsular types (Ia, Ib, II to V) were identified, the most common being III (32.2%) and V (25.2%). The hiper-virulent clone type III/ST17 was present in 43.1% and 6.3% (p < 0.05) of paediatric and adults isolates, respectively. Comparative sequence analysis of the CRISPR1 spacers content indicated that a few clones comprised the vast majority of the tested GBS isolates. Thus, it was estimated that dominant clones recovered from infants were CPS III/ST17 in late-onset infections (19/23; 82.6%), and Ia/ST23 in early-onset disease (44.4%). Conversely, genotype CPS V/ST1 was the most prevalent in adults (4/9; 25.4%). All isolates were susceptible to penicillin. Macrolide resistance (23.1%) was strongly associated with the ermB gene and constitutive resistance to clindamycin (63.9%). The majority of strains was resistant to tetracycline (86.6%), mostly mediated by the tetM gene (87.7%). GBS isolates of CPS V/ST1 and CPS III/ST23 were significantly associated with macrolide and tetracycline resistance, respectively. In conclusion, hyper-virulent CPS III/ST17 and V/ST1 were recognized as dominant GBS clones in this study.
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Affiliation(s)
- Ina Gajic
- Institute of Microbiology and Immunology, Medical Faculty, University of Belgrade, Dr Subotica 1, 11000, Belgrade, Serbia; National Reference Laboratory for Streptococci, Dr Subotica 1, 11000, Belgrade, Serbia
| | - Celine Plainvert
- Service de Bactériologie, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre Site Cochin, 27, rue du Faubourg-Saint-Jacques, 75014, Paris, France; Centre National de Référence des Streptocoques, 27, rue du Faubourg-Saint-Jacques, 75014, Paris, France; DHU Risques et Grossesse, Assistance Publique-Hôpitaux de Paris, 3 Avenue Victoria, 75004, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, 12 Rue de l'École de Médecine, 75006, Paris, France; INSERM U 1016, Institut Cochin, Team 'Barriers and Pathogens', 27, rue du Faubourg-Saint-Jacques, 75014, Paris, France; CNRS UMR 8104, 27, rue du Faubourg-Saint-Jacques, 75014, Paris, France; Unité de Biologie des Bactéries Pathogènes à Gram-positif, CNRS ERL3526, 25-28 Rue du Dr Roux, 75015, Paris, France
| | - Dusan Kekic
- Institute of Microbiology and Immunology, Medical Faculty, University of Belgrade, Dr Subotica 1, 11000, Belgrade, Serbia; National Reference Laboratory for Streptococci, Dr Subotica 1, 11000, Belgrade, Serbia
| | - Nicolas Dmytruk
- Service de Bactériologie, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre Site Cochin, 27, rue du Faubourg-Saint-Jacques, 75014, Paris, France; Centre National de Référence des Streptocoques, 27, rue du Faubourg-Saint-Jacques, 75014, Paris, France; DHU Risques et Grossesse, Assistance Publique-Hôpitaux de Paris, 3 Avenue Victoria, 75004, Paris, France
| | - Vera Mijac
- Institute of Microbiology and Immunology, Medical Faculty, University of Belgrade, Dr Subotica 1, 11000, Belgrade, Serbia; National Reference Laboratory for Streptococci, Dr Subotica 1, 11000, Belgrade, Serbia
| | - Asmaa Tazi
- Centre National de Référence des Streptocoques, 27, rue du Faubourg-Saint-Jacques, 75014, Paris, France; DHU Risques et Grossesse, Assistance Publique-Hôpitaux de Paris, 3 Avenue Victoria, 75004, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, 12 Rue de l'École de Médecine, 75006, Paris, France; INSERM U 1016, Institut Cochin, Team 'Barriers and Pathogens', 27, rue du Faubourg-Saint-Jacques, 75014, Paris, France; CNRS UMR 8104, 27, rue du Faubourg-Saint-Jacques, 75014, Paris, France; Unité de Biologie des Bactéries Pathogènes à Gram-positif, CNRS ERL3526, 25-28 Rue du Dr Roux, 75015, Paris, France
| | - Philippe Glaser
- Institut Pasteur, Unité de Biologie des Bactéries Pathogènes à Gram Positif, 25-28 Rue du Dr Roux, 75015, Paris, France
| | - Lazar Ranin
- Institute of Microbiology and Immunology, Medical Faculty, University of Belgrade, Dr Subotica 1, 11000, Belgrade, Serbia; National Reference Laboratory for Streptococci, Dr Subotica 1, 11000, Belgrade, Serbia
| | - Claire Poyart
- Service de Bactériologie, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre Site Cochin, 27, rue du Faubourg-Saint-Jacques, 75014, Paris, France; Centre National de Référence des Streptocoques, 27, rue du Faubourg-Saint-Jacques, 75014, Paris, France; DHU Risques et Grossesse, Assistance Publique-Hôpitaux de Paris, 3 Avenue Victoria, 75004, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, 12 Rue de l'École de Médecine, 75006, Paris, France; INSERM U 1016, Institut Cochin, Team 'Barriers and Pathogens', 27, rue du Faubourg-Saint-Jacques, 75014, Paris, France; CNRS UMR 8104, 27, rue du Faubourg-Saint-Jacques, 75014, Paris, France; Unité de Biologie des Bactéries Pathogènes à Gram-positif, CNRS ERL3526, 25-28 Rue du Dr Roux, 75015, Paris, France
| | - Natasa Opavski
- Institute of Microbiology and Immunology, Medical Faculty, University of Belgrade, Dr Subotica 1, 11000, Belgrade, Serbia; National Reference Laboratory for Streptococci, Dr Subotica 1, 11000, Belgrade, Serbia.
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Affiliation(s)
- Pascal Del Giudice
- Unité de Maladies Infectieuses et Dermatologie, Hôpital Bonnet, Avenue André Léotard, FR-83700 Fréjus, France.
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Romain AS, Cohen R, Plainvert C, Joubrel C, Béchet S, Perret A, Tazi A, Poyart C, Levy C. Clinical and Laboratory Features of Group B Streptococcus Meningitis in Infants and Newborns: Study of 848 Cases in France, 2001–2014. Clin Infect Dis 2017; 66:857-864. [DOI: 10.1093/cid/cix896] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 10/14/2017] [Indexed: 12/20/2022] Open
Affiliation(s)
| | - Robert Cohen
- Université Paris Est, IMRB-GRC GEMINI, Créteil, France
- Association Clinique et Thérapeutique Infantile du Val de Marne (ACTIV), Saint-Maur des Fossés, France
- Clinical Research Center (CRC), Centre Hospitalier Intercommunal de Créteil, France
- Groupe de Pathologie Infectieuse Pédiatrique (GPIP), Paris, France
- Unité Court Séjour, Petits Nourrissons, Service de Néonatologie, Centre Hospitalier Intercommunal de Créteil, France
| | - Céline Plainvert
- Assistance publique–Hôpitaux de Paris (APHP), Service de Bactériologie et Centre national de référence des Streptocoques, Hôpitaux Universitaires Paris Centre, site Cochin, France
- INSERM, Équipe Barrières et Pathogènes, Institut Cochin, Paris, France
| | - Caroline Joubrel
- Assistance publique–Hôpitaux de Paris (APHP), Service de Bactériologie et Centre national de référence des Streptocoques, Hôpitaux Universitaires Paris Centre, site Cochin, France
- INSERM, Équipe Barrières et Pathogènes, Institut Cochin, Paris, France
| | - Stéphane Béchet
- Association Clinique et Thérapeutique Infantile du Val de Marne (ACTIV), Saint-Maur des Fossés, France
- Clinical Research Center (CRC), Centre Hospitalier Intercommunal de Créteil, France
- Groupe de Pathologie Infectieuse Pédiatrique (GPIP), Paris, France
| | - Amélie Perret
- Assistance publique–Hôpitaux de Paris (APHP), Service de Bactériologie et Centre national de référence des Streptocoques, Hôpitaux Universitaires Paris Centre, site Cochin, France
| | - Asmaa Tazi
- Assistance publique–Hôpitaux de Paris (APHP), Service de Bactériologie et Centre national de référence des Streptocoques, Hôpitaux Universitaires Paris Centre, site Cochin, France
- INSERM, Équipe Barrières et Pathogènes, Institut Cochin, Paris, France
| | - Claire Poyart
- Assistance publique–Hôpitaux de Paris (APHP), Service de Bactériologie et Centre national de référence des Streptocoques, Hôpitaux Universitaires Paris Centre, site Cochin, France
- INSERM, Équipe Barrières et Pathogènes, Institut Cochin, Paris, France
| | - Corinne Levy
- Université Paris Est, IMRB-GRC GEMINI, Créteil, France
- Association Clinique et Thérapeutique Infantile du Val de Marne (ACTIV), Saint-Maur des Fossés, France
- Clinical Research Center (CRC), Centre Hospitalier Intercommunal de Créteil, France
- Groupe de Pathologie Infectieuse Pédiatrique (GPIP), Paris, France
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Uzunhan Y, Nunes H, Brillet P, Brun S, Martinod E, Carette M, Charlier C, Bouvry D, Planès C, Tazi A, Lortholary O, Valeyre D. Aspergillose pulmonaire chronique (APC) sur sarcoïdose : présentation, morbimortalité et traitement ; une série de 65 cas. Rev Mal Respir 2017. [DOI: 10.1016/j.rmr.2016.10.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Lepelletier C, Bengoufa D, Lyes Z, de Masson A, Chasset F, Jachiet M, Michonneau D, Robin M, Peffault-de-Latour R, Sicre-de-Fontbrune F, Tandjaoui-Lambiotte Y, Bensussan A, Rybojad M, Tazi A, Bagot M, Socié G, Bergeron A, Bouaziz JD. Syndrome dermato-pulmonaire avec anticorps anti-MDA5 après allogreffe de cellules souches hématopoïétiques. Ann Dermatol Venereol 2016. [DOI: 10.1016/j.annder.2016.09.175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Prince-David M, Salou M, Marois-Créhan C, Assogba K, Plainvert C, Balogou KA, Poyart C, Tazi A. Human meningitis due to Streptococcus suis in Lomé, Togo: a case report. BMC Infect Dis 2016; 16:651. [PMID: 27821092 PMCID: PMC5100305 DOI: 10.1186/s12879-016-2006-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Accepted: 10/29/2016] [Indexed: 12/01/2022] Open
Abstract
Background Streptococcus suis is a zoonotic pathogen which represents the leading cause of meningitis in Southeast Asia and an emerging pathogen in the Western world, the main risk factor for infection being contact with pigs. In Africa, the prevalence of S. suis infections in swine and humans is largely unrecognized, with only one recent report of a limited case series. Case presentation We describe a human case of meningitis due to S. suis in a 32-year-old man living in Togo. The patient had no particular medical history and no risk factors for immunodeficiency but reported regular contact with pork products. Using specific immunological and molecular methods, we characterized the isolate as S. suis serotype 2, ST1, one the most prevalent and virulent clone worldwide. The outcome was favorable after one week of adapted antibiotic therapy but the patient was left with severe hearing disorders. Conclusions This work highlights the emergence of this pathogen in Africa and reinforces the need for accurate epidemiological and surveillance studies of S. suis infections and for educating clinicians and exposed groups in non-endemic countries.
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Affiliation(s)
- Mireille Prince-David
- Centre de Biologie Moléculaire et d'Immunologie, Université de Lomé, BP 101, Lomé, Togo.,Service de Microbiologie, Centre Hospitalier Universitaire Sylvanus Olympio, Tokoin Hôpital, BP 57, Lomé, Togo
| | - Mounerou Salou
- Centre de Biologie Moléculaire et d'Immunologie, Université de Lomé, BP 101, Lomé, Togo.,Service de Microbiologie, Centre Hospitalier Universitaire Sylvanus Olympio, Tokoin Hôpital, BP 57, Lomé, Togo
| | - Corinne Marois-Créhan
- Agence nationale de sécurité sanitaire de l'alimentation, de l'environnement et du travail, 22440, Ploufragan, France.,Université Bretagne Loire, 22440, Ploufragan, France
| | - Komi Assogba
- Service de Neurologie, Centre Hospitalier Universitaire Campus, BP 30284, Lomé, Togo
| | - Céline Plainvert
- Service de Bactériologie, Hôpitaux Universitaires Paris Centre, site Cochin, 75679, Paris cedex 14, France.,Centre National de Référence des Streptocoques, Hôpital Cochin, 75679, Paris cedex 14, France
| | - Koffi A Balogou
- Service de Neurologie, Centre Hospitalier Universitaire Campus, BP 30284, Lomé, Togo
| | - Claire Poyart
- Service de Bactériologie, Hôpitaux Universitaires Paris Centre, site Cochin, 75679, Paris cedex 14, France.,Centre National de Référence des Streptocoques, Hôpital Cochin, 75679, Paris cedex 14, France.,Université Paris Descartes, 75006, Paris, France
| | - Asmaa Tazi
- Service de Bactériologie, Hôpitaux Universitaires Paris Centre, site Cochin, 75679, Paris cedex 14, France. .,Centre National de Référence des Streptocoques, Hôpital Cochin, 75679, Paris cedex 14, France. .,Université Paris Descartes, 75006, Paris, France.
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Lorillon G, Mourah S, Vercellino L, de Margerie-Mellon C, Pagès C, Goldwirt L, Lebbe C, Tost J, Tazi A. Sustained response to salvage therapy for dabrafenib-resistant metastatic Langerhans cell sarcoma. Ann Oncol 2016; 27:2305-2307. [PMID: 27502715 DOI: 10.1093/annonc/mdw299] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Affiliation(s)
- G Lorillon
- Assistance Publique-Hôpitaux de Paris, Hôpital Saint-Louis, National Reference Center for Langerhans cell histiocytosis, Pulmonology Department, Paris, France
| | - S Mourah
- Assistance Publique-Hôpitaux de Paris, Hôpital Saint-Louis, Pharmacology and Genetic Department, Paris, France.,Univ Paris-Diderot, Sorbonne Paris Cité; INSERM U976, Paris, France
| | - L Vercellino
- Assistance Publique-Hôpitaux de Paris, Hôpital Saint-Louis, Nuclear Medicine Department, Paris, France
| | - C de Margerie-Mellon
- Univ. Paris-Diderot, Sorbonne Paris Cité; Assistance Publique-Hôpitaux de Paris, Hôpital Saint-Louis, Radiology Department, Paris, France
| | - C Pagès
- Assistance Publique-Hôpitaux de Paris, Dermatology Department, Paris, France
| | - L Goldwirt
- Assistance Publique-Hôpitaux de Paris, Hôpital Saint-Louis, Pharmacology and Genetic Department, Paris, France
| | - C Lebbe
- Univ Paris-Diderot, Sorbonne Paris Cité; INSERM U976, Paris, France.,Assistance Publique-Hôpitaux de Paris, Dermatology Department, Paris, France
| | - J Tost
- Laboratory for Epigenetics and Environment, Genotyping National Center, CEA-Genomic Institute, Evry, France
| | - A Tazi
- Assistance Publique-Hôpitaux de Paris, Hôpital Saint-Louis, National Reference Center for Langerhans cell histiocytosis, Pulmonology Department, Paris, France .,Univ Paris-Diderot, Sorbonne Paris Cité; CRESS INSERM U1153, Biostatistics and Clinical Epidemiology Research Team, Paris, France
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Lakehayli S, Said N, El Khachibi M, El Ouahli M, Nadifi S, Hakkou F, Tazi A. Prenatal stress alters diazepam withdrawal syndrome and 5HT1A receptor expression in the raphe nuclei of adult rats. Neuroscience 2016; 330:50-6. [DOI: 10.1016/j.neuroscience.2016.05.035] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Revised: 05/17/2016] [Accepted: 05/17/2016] [Indexed: 10/21/2022]
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De Masson A, Giustiniani J, Marie-Cardine A, Bouaziz JD, Dulphy N, Gossot D, Validire P, Tazi A, Garbar C, Bagot M, Merrouche Y, Bensussan A. Identification of CD245 as myosin 18A, a receptor for surfactant A: A novel pathway for activating human NK lymphocytes. Oncoimmunology 2016; 5:e1127493. [PMID: 27467939 DOI: 10.1080/2162402x.2015.1127493] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 11/25/2015] [Accepted: 11/25/2015] [Indexed: 12/31/2022] Open
Abstract
CD245 is a human surface antigen expressed on peripheral blood lymphocytes, initially delineated by two monoclonal antibodies DY12 and DY35. Until now, CD245 molecular and functional characteristics remained largely unknown. We combined immunological and proteomic approaches and identified CD245 as the unconventional myosin 18A, a highly conserved motor enzyme reported as a receptor for the surfactant protein A (SP-A), that plays a critical role in cytoskeleton organization and Golgi budding. We report that the recruitment of CD245 strongly enhanced NK cell cytotoxicity. Further, we show that the enhancement of the NK lymphocytes killing ability toward CD137-ligand expressing target cells could result from the induction of CD137 expression following CD245 engagement. The SP-A receptor could therefore represent a novel and promising target in cancer immunotherapy.
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Affiliation(s)
- A De Masson
- Institut National de la Santé et de la Recherche Médicale (INSERM) Unité Mixte de Recherche Scientifique (UMRS)-976, Laboratoire "Oncodermatology, Immunology and Cutaneous Stem Cells", Hôpital Saint-Louis, Paris, France; Université Paris VII Paris Diderot, Sorbonne Paris Cité, Paris, France; Service de Dermatologie, Hôpital Saint-Louis, Paris, France; Harvard Skin Disease Research Center, Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - J Giustiniani
- Institut Jean Godinot, Unicancer, Reims, France; Université Reims-Champagne-Ardenne, DERM-I-C, EA7319, 51 rue Cognacq-Jay , Reims cedex, France
| | - A Marie-Cardine
- Institut National de la Santé et de la Recherche Médicale (INSERM) Unité Mixte de Recherche Scientifique (UMRS)-976, Laboratoire "Oncodermatology, Immunology and Cutaneous Stem Cells", Hôpital Saint-Louis, Paris, France; Université Paris VII Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - J D Bouaziz
- Institut National de la Santé et de la Recherche Médicale (INSERM) Unité Mixte de Recherche Scientifique (UMRS)-976, Laboratoire "Oncodermatology, Immunology and Cutaneous Stem Cells", Hôpital Saint-Louis, Paris, France; Université Paris VII Paris Diderot, Sorbonne Paris Cité, Paris, France; Service de Dermatologie, Hôpital Saint-Louis, Paris, France
| | - N Dulphy
- Université Paris VII Paris Diderot, Sorbonne Paris Cité, Paris, France; INSERM UMRS-1160, Institut Universitaire d'Hématologie, Hôpital Saint-Louis, Paris, France; Laboratoire d'Immunologie et Histocompatibilité, Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - D Gossot
- Service de chirurgie thoracique, Institut Mutualiste Montsouris , Paris, France
| | - P Validire
- Service d'anatomopathologie, Institut Mutualiste Montsouris , Paris, France
| | - A Tazi
- Université Paris VII Paris Diderot, Sorbonne Paris Cité, Paris, France; Service de pneumologie, Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - C Garbar
- Institut Jean Godinot, Unicancer, Reims, France; Université Reims-Champagne-Ardenne, DERM-I-C, EA7319, 51 rue Cognacq-Jay , Reims cedex, France
| | - M Bagot
- Institut National de la Santé et de la Recherche Médicale (INSERM) Unité Mixte de Recherche Scientifique (UMRS)-976, Laboratoire "Oncodermatology, Immunology and Cutaneous Stem Cells", Hôpital Saint-Louis, Paris, France; Université Paris VII Paris Diderot, Sorbonne Paris Cité, Paris, France; Service de Dermatologie, Hôpital Saint-Louis, Paris, France
| | - Y Merrouche
- Institut Jean Godinot, Unicancer, Reims, France; Université Reims-Champagne-Ardenne, DERM-I-C, EA7319, 51 rue Cognacq-Jay , Reims cedex, France
| | - A Bensussan
- Institut National de la Santé et de la Recherche Médicale (INSERM) Unité Mixte de Recherche Scientifique (UMRS)-976, Laboratoire "Oncodermatology, Immunology and Cutaneous Stem Cells", Hôpital Saint-Louis, Paris, France; Université Paris VII Paris Diderot, Sorbonne Paris Cité, Paris, France
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Nathan N, Cavalin C, Macchi O, Abou Taam R, Valeyre D, Houdouin V, Corvol H, Perisson C, Tazi A, Amiot X, Ralph E, Houzel A, Hamami N, Catinon M, Deschildre A, De Blic J, Clement A, Vincent M, Rosental P. Exposome inorganique et sarcoïdose pulmonaire pédiatrique : l’étude PEDIASARC. Rev Mal Respir 2016. [DOI: 10.1016/j.rmr.2015.10.246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Cornetto M, Chevret S, Abbes S, De Margerie Mellon C, Hussenet C, Sicre De Fontbrune F, Tazi A, Ribaud P, Bergeron A. Scanner thoracique précoce après allogreffe de cellules souches hématopoïétiques. Rev Mal Respir 2016. [DOI: 10.1016/j.rmr.2015.10.671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Soyez B, Borie R, Cadranel J, Chavez L, Cottin V, Gomez E, Lainé C, Marchand-Adam S, Marquette C, Naccache J, Nunes H, Reynaud-Gaubert M, Savale L, Tazi A, Wemeau L, Crestani B. Effets du rituximab dans la liprotéinose alvéolaire auto-immune. Rev Mal Respir 2016. [DOI: 10.1016/j.rmr.2015.10.714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Haustraete E, Obert J, Diab S, Zini J, Hussenet C, Lerolle N, Tazi A, Bergeron A. Pneumopathies liées à l’idélalisib. Rev Mal Respir 2016. [DOI: 10.1016/j.rmr.2015.10.225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Sese L, Nunes H, Cottin V, Carton Z, Israel-Biet D, Crestani B, Cadranel J, Wallaert B, Tazi A, Maître B, Prévot G, Marchand-Adam S, Guillot-Dudoret S, Nardi A, Dury S, Giraud V, Juvin K, Borie R, Valeyre D, Annesi-Maseano I. Rôle de la pollution atmosphérique dans l’histoire naturelle de la fibrose pulmonaire idiopathique. Rev Mal Respir 2016. [DOI: 10.1016/j.rmr.2015.10.038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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48
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Danlos FX, Pagès C, Baroudjian B, Vercellino L, Battistella M, Mimoun M, Jebali M, Bagot M, Tazi A, Lebbé C. Sarcoïdose induite par le nivolumab, un anticorps monoclonal anti-PD-1, chez un patient atteint d’un mélanome stade III. Ann Dermatol Venereol 2015. [DOI: 10.1016/j.annder.2015.10.442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Néel A, Artifoni M, Donadieu J, Lorillon G, Hamidou M, Tazi A. Histiocytose langerhansienne de l’adulte. Rev Med Interne 2015; 36:658-67. [DOI: 10.1016/j.revmed.2015.04.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2014] [Revised: 01/30/2015] [Accepted: 04/30/2015] [Indexed: 12/21/2022]
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Messaoudi MI, Filali H, Tazi A, Hakkou F. Ethnobotanical survey of healing medicinal plants traditionally used in the main Moroccan cities. ACTA ACUST UNITED AC 2015. [DOI: 10.5897/jpp2015.0355] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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