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London J, Dumoitier N, Lofek S, Dion J, Chaigne B, Mocek J, Thieblemont N, Cohen P, Le Jeunne C, Guillevin L, Witko-Sarsat V, Varin-Blank N, Terrier B, Mouthon L. Skewed peripheral B- and T-cell compartments in patients with ANCA-associated vasculitis. Rheumatology (Oxford) 2021; 60:2157-2168. [PMID: 33026090 DOI: 10.1093/rheumatology/keaa432] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 12/08/2019] [Revised: 06/04/2020] [Indexed: 01/30/2023] Open
Abstract
OBJECTIVES To characterize lymphocytes dysregulation in patients with granulomatosis with polyangiitis (GPA) and microscopic polyangiitis (MPA). METHODS Using flow cytometry, we analysed B- and T-cell subsets in peripheral blood from 37 untreated patients with active disease (29 GPA and 8 MPA) and 22 healthy controls (HCs). RESULTS GPA patients had increased Th2 (1.8 vs 1.0%, P = 0.02), Th9 (1.1 vs 0.2%, P = 0.0007) and Th17 (1.4 vs 0.9%, P = 0.03) cells compared with HC. Patients with MPO-ANCAs had significantly more CD21- B cells than HC or PR3-ANCA patients (6.9 vs 3.3% and 4.4%, P = 0.01). CD69 expressing B cells were significantly higher in GPA and MPA (3.0 and 5.9 vs 1.4%, P = 0.02 and P = 0.03, respectively) compared with HC, whereas B-cell activating factor-receptor expression was decreased in GPA and MPA (median fluorescence intensity ratio 11.8 and 13.7 vs 45.1 in HC, P < 0.0001 and P = 0.003, respectively). Finally, IL-6-producing B cells were increased in GPA vs HC (25.8 vs 14.9%, P < 0.0001) and decreased in MPA vs HC (4.6 vs 14.9%, P = 0.005), whereas TNF-α-producing B cells were lower in both GPA and MPA patients compared with controls (15 and 8.4 vs 30%, P = 0.01 and P = 0.006, respectively). CONCLUSION Skewed T-cell polarization towards Th2, Th9 and Th17 responses characterizes GPA, whereas B-cell populations are dysregulated in both GPA and MPA with an activated phenotype and a decreased B-cell activating factor-receptor expression. Finally, inflammatory B cells producing IL-6 are dramatically increased in GPA, providing an additional mechanism by which rituximab could be effective.
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Affiliation(s)
- Jonathan London
- INSERM U1016/CNRS UMR 8104, Institut Cochin.,Université Paris Descartes.,Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares d'Ile de France, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris
| | - Nicolas Dumoitier
- INSERM U1016/CNRS UMR 8104, Institut Cochin.,Université Paris Descartes.,LABEX Inflamex.,Université Paris Diderot, Paris
| | | | - Jérémie Dion
- INSERM U1016/CNRS UMR 8104, Institut Cochin.,Université Paris Descartes.,Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares d'Ile de France, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris
| | - Benjamin Chaigne
- INSERM U1016/CNRS UMR 8104, Institut Cochin.,Université Paris Descartes.,Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares d'Ile de France, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris
| | | | | | - Pascal Cohen
- Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares d'Ile de France, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris
| | - Claire Le Jeunne
- Université Paris Descartes.,Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares d'Ile de France, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris
| | - Loïc Guillevin
- Université Paris Descartes.,Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares d'Ile de France, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris
| | | | - Nadine Varin-Blank
- Université Paris XIII, UFR Santé Médecine Biologie Humaine, Bobigny.,INSERM U978, Bobigny, France
| | - Benjamin Terrier
- INSERM U1016/CNRS UMR 8104, Institut Cochin.,Université Paris Descartes.,Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares d'Ile de France, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris
| | - Luc Mouthon
- INSERM U1016/CNRS UMR 8104, Institut Cochin.,Université Paris Descartes.,Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares d'Ile de France, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris.,LABEX Inflamex
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Migolatiev M, Jésus P, Dumoitier N, Misset B, Arnal-Couderc M, Desport J, Fayemendy P. Prescription of oral nutritional supplements: attitude and practices of general practitioners of a french department. Clin Nutr ESPEN 2020. [DOI: 10.1016/j.clnesp.2020.09.275] [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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Dal Col Barthès S, Dumoitier N, Rudelle K. Perceptions and feelings of young girls regarding vaccination against papillomavirus. Med Mal Infect 2020; 50:723-726. [PMID: 32771252 DOI: 10.1016/j.medmal.2020.02.007] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 12/09/2019] [Accepted: 02/25/2020] [Indexed: 01/01/2023]
Abstract
OBJECTIVE Cervical cancer can be avoided with smear screening, and since 2006 with vaccination against papillomavirus. Yet, vaccination coverage remains very low in France. We aimed to highlight the perceptions and feelings of young girls regarding papillomavirus vaccination, to initiate a discussion and find ways to promote this vaccination. PATIENTS AND METHODS Qualitative study with semi-directed interviews, until data saturation, and using grounded theory, with volunteer girls aged 11-14 years in a French department from September to December 2016. RESULTS Thirty-four young girls were interviewed. Their opinion of anti-HPV vaccination was not negative. Knowledge of papillomavirus vaccination was better in those aged above 12 years, in urban areas, and in those vaccinated against hepatitis B. Young girls with parents working in the medical field seemed to be more involved in the vaccination process. Nevertheless, we observed a clear lack of knowledge or misbeliefs. Parents, especially mothers, were the most important source of information for girls. Family physicians played an essential role in the vaccination decision-making process. CONCLUSIONS Girls seem to be barely involved in the vaccination process. However, this vaccination is based on the young girl/parents/physician trio. All healthcare professionals should be trained so as to have a scientifically valid speech on vaccination. Family physicians play a central part. Comprehensive and adequate information should be provided to girls and parents.
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Affiliation(s)
- S Dal Col Barthès
- Département Universitaire de Médecine Générale, Faculté de Médecine, 2, rue du Docteur-Marcland, 87025 Limoges, France.
| | - N Dumoitier
- Département Universitaire de Médecine Générale, Faculté de Médecine, 2, rue du Docteur-Marcland, 87025 Limoges, France
| | - K Rudelle
- Département Universitaire de Médecine Générale, Faculté de Médecine, 2, rue du Docteur-Marcland, 87025 Limoges, France
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Chaigne B, Clary G, Le Gall M, Dumoitier N, Fernandez C, Lofek S, Chafey P, Moinzadeh P, Krieg T, Denton CP, Mouthon L. Proteomic Analysis of Human Scleroderma Fibroblasts Response to Transforming Growth Factor-ß. Proteomics Clin Appl 2018; 13:e1800069. [PMID: 30141531 DOI: 10.1002/prca.201800069] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [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: 04/01/2018] [Revised: 07/14/2018] [Indexed: 01/28/2023]
Abstract
PURPOSE Systemic sclerosis (SSc) is characterized by autoimmunity, vasculopathy and fibrosis. Fibrosis is due to an activation of fibroblasts by the transforming growth factor-ß (TGF-ß). This study investigates the proteomic response of SSc fibroblasts to TGF-ß. EXPERIMENTAL DESIGN Skin fibroblasts from diffuse SSc patients and healthy controls (HC) are cultured with or without TGF-ß. Two-dimensional differential in-gel electrophoresis and mass spectrometry (MS) combined with Ingenuity Pathway analysis (IPA) and Panther/David software analyze proteins differentially expressed between groups. Real-time cell analyzer (RTCA) assesses fibroblast proliferation and viability. RESULTS Two-hundred-and-seventy-nine proteins are differentially expressed between groups. Principal component analysis shows significant differences between groups. IPA shows specific process networks such as actin cytoskeleton and integrin signaling. Panther and David software show predominant biological processes such as cellular and metabolic processes. TGF-ß enhances protein synthesis and protein pathways. IPA and RTCA suggest the involvement of epidermal growth factor receptor (EGFR) and phosphatidylinositol 3 kinase (Pi3K). CONCLUSIONS AND CLINICAL RELEVANCE That the proteome of fibroblasts differs between SSc patients and HC is confirmed, and it is demonstrated that fibroblasts exacerbate their proteomic phenotype upon stimulation with TGF-ß. EGFR and Pi3K are highlighted as proteins of interest in SSc fibroblasts.
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Affiliation(s)
- Benjamin Chaigne
- INSERM U1016, Institut Cochin, 75014 Paris, France.,CNRS UMR 8104, 75014 Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, 75014 Paris, France.,Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares, Vascularites Nécrosantes Et Sclérodermie Systémique, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris, 75014 Paris, France
| | - Guilhem Clary
- INSERM U1016, Institut Cochin, 75014 Paris, France.,CNRS UMR 8104, 75014 Paris, France.,Proteomic core facility of Paris Descartes University (3P5), 75014 Paris, France
| | - Morgane Le Gall
- INSERM U1016, Institut Cochin, 75014 Paris, France.,CNRS UMR 8104, 75014 Paris, France.,Proteomic core facility of Paris Descartes University (3P5), 75014 Paris, France
| | - Nicolas Dumoitier
- INSERM U1016, Institut Cochin, 75014 Paris, France.,CNRS UMR 8104, 75014 Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, 75014 Paris, France
| | - Claire Fernandez
- INSERM U1016, Institut Cochin, 75014 Paris, France.,CNRS UMR 8104, 75014 Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, 75014 Paris, France.,Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares, Vascularites Nécrosantes Et Sclérodermie Systémique, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris, 75014 Paris, France
| | - Sebastien Lofek
- INSERM U1016, Institut Cochin, 75014 Paris, France.,CNRS UMR 8104, 75014 Paris, France
| | - Philippe Chafey
- INSERM U1016, Institut Cochin, 75014 Paris, France.,CNRS UMR 8104, 75014 Paris, France.,Proteomic core facility of Paris Descartes University (3P5), 75014 Paris, France
| | - Pia Moinzadeh
- Department of Dermatology, University of Cologne, 50937 Cologne, Germany
| | - Thomas Krieg
- Department of Dermatology, University of Cologne, 50937 Cologne, Germany
| | - Christopher P Denton
- Institute of Immunity and Transplantation, Centre for Rheumatology and Connective Tissue Diseases, Royal Free Hospital, NW3 2QG London, UK
| | - Luc Mouthon
- INSERM U1016, Institut Cochin, 75014 Paris, France.,CNRS UMR 8104, 75014 Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, 75014 Paris, France.,Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares, Vascularites Nécrosantes Et Sclérodermie Systémique, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris, 75014 Paris, France
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Huerta Marfil M, Chaigne B, Dumoitier N, Fernandez C, Cohen P, Fraison J, London J, Paule R, Régent A, Varin-Blank N, Mouthon L. Biais de phosphorylation initiale de la tyrosine kinase de Bruton et de la phospholipase Cγ2 du récepteur des lymphocytes B chez les patients atteints de sclérodermie systémique compliquée de pneumopathie interstitielle diffuse. Rev Med Interne 2017. [DOI: 10.1016/j.revmed.2017.10.326] [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: 11/17/2022]
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Chaigne B, Clary G, Le Gall M, Dumoitier N, Lofek S, Chafey P, Moinzadeh P, Krieg T, Denton C, Mouthon L. Analyse protéïque de la réponse au TGF-β des fibroblastes dermiques humains dans la sclérodermie systémique. Rev Med Interne 2017. [DOI: 10.1016/j.revmed.2017.10.325] [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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Dumoitier N, Chaigne B, Régent A, Lofek S, Mhibik M, Dorfmüller P, Terrier B, London J, Bérezné A, Tamas N, Varin‐Blank N, Mouthon L. Scleroderma Peripheral B Lymphocytes Secrete Interleukin‐6 and Transforming Growth Factor β and Activate Fibroblasts. Arthritis Rheumatol 2017; 69:1078-1089. [DOI: 10.1002/art.40016] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Accepted: 11/29/2016] [Indexed: 12/21/2022]
Affiliation(s)
- Nicolas Dumoitier
- INSERM U1016, Institut Cochin, CNRS UMR 8104, Université Paris Descartes, Sorbonne Paris Cité, LabEx Inflamex, Université Sorbonne Paris Cité and Université Paris DiderotParis France
| | - Benjamin Chaigne
- INSERM U1016, Institut Cochin, CNRS UMR 8104, Université Paris Descartes, Sorbonne Paris Cité and Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares, Vascularites Nécrosantes et Sclérodermie Systémique, Hôpital Cochin, AP‐HPParis France
| | - Alexis Régent
- INSERM U1016, Institut Cochin, CNRS UMR 8104, Université Paris Descartes, Sorbonne Paris Cité and Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares, Vascularites Nécrosantes et Sclérodermie Systémique, Hôpital Cochin, AP‐HPParis France
| | - Sébastien Lofek
- INSERM U1016, Institut Cochin, CNRS UMR 8104 and Université Paris Descartes, Sorbonne Paris CitéParis France
| | - Maissa Mhibik
- Université Paris XIII, UFR Santé Médecine Biologie Humaine and INSERM U978Bobigny France
| | - Peter Dorfmüller
- Service d'Anatomie Pathologique, Hôpital Marie Lannelongue, INSERM UMR‐S 999, LabEx LERMITLe Plessis‐Robinson France
| | - Benjamin Terrier
- INSERM U1016, Institut Cochin, CNRS UMR 8104, Université Paris Descartes, Sorbonne Paris Cité and Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares, Vascularites Nécrosantes et Sclérodermie Systémique, Hôpital Cochin, AP‐HPParis France
| | - Jonathan London
- Université Paris Descartes, Sorbonne Paris Cité and Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares, Vascularites Nécrosantes et Sclérodermie Systémique, Hôpital Cochin, AP‐HPParis France
| | - Alice Bérezné
- Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares, Vascularites Nécrosantes et Sclérodermie Systémique, Hôpital Cochin, AP‐HPParis France
| | - Nicolas Tamas
- INSERM U1016, Institut Cochin, CNRS UMR 8104 and Université Paris Descartes, Sorbonne Paris CitéParis France
| | - Nadine Varin‐Blank
- LabEx Inflamex, Université Sorbonne Paris Cité, Paris, and Université Paris XIII, UFR Santé Médecine Biologie Humaine and INSERM U978Bobigny France
| | - Luc Mouthon
- INSERM U1016, Institut Cochin, CNRS UMR 8104, Université Paris Descartes, Sorbonne Paris Cité, LabEx Inflamex, Université Sorbonne Paris Cité and Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares, Vascularites Nécrosantes et Sclérodermie Systémique, Hôpital Cochin, AP‐HPParis France
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Dion J, London J, Chaigne B, Dumoitier N, Lofek S, Dunogué B, Cohen P, Groh M, Le Jeunne C, Guillevin L, Mouthon L, Terrier B. Caractéristiques phénotypiques et fonctionnelles des sous-populations lymphocytaires au cours de la granulomatose éosinophilique avec polyangéite. Rev Med Interne 2016. [DOI: 10.1016/j.revmed.2016.04.229] [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: 10/21/2022]
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Abisror N, Mekinian A, Gardano L, Dumoitier N, Dondi B, Cymbalista F, Leroy C, Fain O, Varin-Blank N. Lymphocytes B régulateurs dans le purpura thrombopénique immunologique de l’adulte. Rev Med Interne 2016. [DOI: 10.1016/j.revmed.2016.04.254] [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: 11/30/2022]
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London J, Dumoitier N, Lofek S, Dion J, Chaigne B, Cohen P, Le Jeunne C, Varin-Blank N, Guillevin L, Terrier B, Mouthon L. Analyse phénotypique et fonctionnelle des sous-populations lymphocytaires au cours de la granulomatose avec polyangéite. Rev Med Interne 2016. [DOI: 10.1016/j.revmed.2016.04.230] [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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Abstract
Major work has been done in order to improve the understanding of systemic sclerosis (SSc) pathogenesis. A number of new experimental models have been set up, that should help to understand the disease pathogenesis and test new therapeutic targets. Reactive oxygen species represent a hallmark of the pathogenesis of SSc, both at the fibroblast and at the endothelial cell levels. Although a large number of genetic studies have been conducted, it is still difficult to identify a genetic background specific to SSc, and the major progress in this setting is probably the identification of an interferon signature. Besides endothelial cells and fibroblasts, major development has been made in the understanding of the role of B cells and autoantibodies in the pathogenesis of SSc. Plasmacytoid dendritic cells seem to play a major role in the pathogenesis of SSc through the secretion of CXCL4, although these data will need to be confirmed in the near future.
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Affiliation(s)
- Nicolas Dumoitier
- Institut Cochin, Inserm U1016, CNRS UMR 8104, 8, rue Méchain, 75014 Paris, France; Université Paris Diderot, 75013 Paris, France
| | - Sébastien Lofek
- Institut Cochin, Inserm U1016, CNRS UMR 8104, 8, rue Méchain, 75014 Paris, France
| | - Luc Mouthon
- Institut Cochin, Inserm U1016, CNRS UMR 8104, 8, rue Méchain, 75014 Paris, France; Assistance publique-Hôpitaux de Paris (AP-HP), hôpital Cochin, centre de référence pour les vascularites nécrosantes et la sclérodermie systémique, service de médecine interne, Université Paris Descartes, 75014 Paris, France.
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Fourcade L, Bedu A, Dumoitier N, Ménard D, Dalmay F, Bonnetblanc J. CL168 - Pertinence pédagogique de l’enseignement de la chirurgie infantile en DCEM. Arch Pediatr 2010. [DOI: 10.1016/s0929-693x(10)70359-6] [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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