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Toquet S, Servettaz A, Noel V, Jaussaud R. Un cas de dermatomyosite à anticorps anti-MDA5. Rev Med Interne 2015. [DOI: 10.1016/j.revmed.2015.03.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Maestraggi Q, Chillet P, Poiron L, Ouldzein S, Petitpas D, Aumersier M, Orquevaux P, Servettaz A, Berger P. Une encéphalite rare : l’encéphalite limbique à anticorps anti-récepteur du N-méthyl-d-aspartate. À propos d’un cas pris en charge en réanimation. Rev Med Interne 2014. [DOI: 10.1016/j.revmed.2014.10.177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Daelman L, Garcia T, Servettaz A, Tourbah A. Méningo-encéphalite chronique révélée par un syndrome démentiel. Rev Neurol (Paris) 2014; 170:465-7. [DOI: 10.1016/j.neurol.2014.02.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Revised: 02/20/2014] [Accepted: 02/21/2014] [Indexed: 10/25/2022]
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Maestraggi Q, Servettaz A, Laurant-Noël V, Kianmanesh R, Sommacale D, Jaussaud R. Cholangite sclérosante ischémique au cours de la maladie de Rendu-Osler. À propos d’un cas. Rev Med Interne 2013. [DOI: 10.1016/j.revmed.2013.10.300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Perney A, Laurant-Noël V, Servettaz A, Bani-Sadr F, Lambert D, de Champs C, Protin JM, Jaussaud R. Diagnostic et prise en charge de la maladie de Lyme en phase précoce : difficultés rencontrées par le médecin généraliste. Rev Med Interne 2013. [DOI: 10.1016/j.revmed.2013.10.182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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31
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Gauche V, Servettaz A, Laurant-Noël V, Jaussaud R. Les thérapeutiques alternatives et complémentaires dans la prise en charge des déficits immunitaires primitifs : plébiscitées par les patients mais souvent ignorées des médecins. Rev Med Interne 2013. [DOI: 10.1016/j.revmed.2013.10.208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Leroy C, Servettaz A, Beaumont C, Derancourt C, Jaussaud R, Gaillard D. À propos d’une forme familiale autosomique dominante d’hyperferritinémie : le syndrome cataracte-hyperferritinémie. Rev Med Interne 2012. [DOI: 10.1016/j.revmed.2012.03.124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Batalla A, Penalba C, Ainine K, Line D, Servettaz A, Strady C, Jaussaud R. Comparaison épidémiologique et clinico-biologique de 377 cas de fièvre hémorragique avec syndrome rénal (FHSR) issus de la zone épidémique et de la zone endémique. Rev Med Interne 2011. [DOI: 10.1016/j.revmed.2011.03.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Guilpain P, Chéreau C, Goulvestre C, Servettaz A, Montani D, Tamas N, Pagnoux C, Hachulla E, Weill B, Guillevin L, Mouthon L, Batteux F. The oxidation induced by antimyeloperoxidase antibodies triggers fibrosis in microscopic polyangiitis. Eur Respir J 2010; 37:1503-13. [PMID: 21071471 DOI: 10.1183/09031936.00148409] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Lung fibrosis is considered a severe manifestation of microscopic polyangiitis (MPA). Antimyeloperoxidase (anti-MPO) antibodies in MPA patients' sera can activate MPO and lead to the production of reactive oxygen species (ROS). While high levels of ROS are cytotoxic, low levels can induce fibroblast proliferation. Therefore, we hypothesised that the oxidative stress induced by anti-MPO antibodies could contribute to lung fibrosis. 24 MPA patients (45 sera) were enrolled in the study, including nine patients (22 sera) with lung fibrosis. Serum advanced oxidation protein products (AOPP), MPO-induced hypochlorous acid (HOCl) and serum-induced fibroblast proliferation were assayed. AOPP levels, MPO-induced HOCl production and serum-induced fibroblast proliferation were higher in patients than in healthy controls (p<0.0001, p=0.0001 and p=0.0005, respectively). Increased HOCl production was associated with active disease (p=0.002). Serum AOPP levels and serum-induced fibroblast proliferation were higher in patients with active MPA and lung fibrosis (p<0.0001). A significant linear relationship between fibroblast proliferation, AOPP levels and HOCl production was observed only in patients with lung fibrosis. Oxidative stress, in particular the production of HOCl through the interaction of MPO with anti-MPO antibodies, could trigger the fibrotic process observed in MPA.
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Batalla AS, Benito D, Baumard S, Brodard V, Servettaz A, Jaussaud R, Strady C. [Epstein-Barr virus and cytomegalovirus primary infections: a comparative study in 52 immunocompetent adults]. Med Mal Infect 2010; 41:14-9. [PMID: 20832213 DOI: 10.1016/j.medmal.2010.07.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2009] [Revised: 06/15/2010] [Accepted: 07/26/2010] [Indexed: 11/18/2022]
Abstract
OBJECTIVE The objective of this study was to compare epidemiological, clinical, and biological data of Epstein-Barr virus (EBV) and cytomegalovirus (CMV) primary infections in immunocompetent adults, admitted in the infectious disease department of the Reims Teaching Hospital between 2000 and 2005. PATIENTS AND METHODS Inclusion criteria were the presence of anti-VCA IgM antibodies or the presence of CMV specific IgM antibodies and the absence of any other positive serology. Differences in reported percentage were compared with a Khi(2) test or Fischer's exact test, when appropriate. Continuous variables were compared with the Mann-Whitney Test. RESULTS There were no significant changes over the years in the numbers of EBV (n=32) and CMV (n=20) primary infections. The patient's mean age was 22.7 years (14-48 years) in EBV primary infections and 38.6 years (13-66 years) in CMV primary infections (P<0.01). The clinical variables significantly associated with primary EBV infection were sore throat and cervical lymphadenopathy (P<0.01). Arthromyalgia and respiratory manifestations were less frequent in EBV primary infection (P<0.01). The biological variables significantly associated with EBV primary infection were a marked alanine aminotransferase elevation and a marked lymphocytosis with atypical lymphocytes (P<0.001). Thrombopenia was less frequently associated with EBV primary infection (P<0.001). CONCLUSION Clinical and biological presentations of EBV and CMV primary infections were similar. The simultaneous serologic diagnosis of these two infections remains necessary to provide a specific diagnosis, for the most efficient patient care.
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Jaussaud R, Servettaz A, Lesaffre F, Garnotel R, Nazeyrollas P. Cardiopathie hypokinétique dilatée curable chez l’adulte : penser à la carnitine ! Rev Med Interne 2010. [DOI: 10.1016/j.revmed.2010.03.264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Jaussaud R, Servettaz A, Tabary T, Noel V, Cohen J. Ascite révélatrice d’un angio-œdème héréditaire de type II et son évolution sur une décennie (lupus et grossesse…). Rev Med Interne 2010. [DOI: 10.1016/j.revmed.2010.03.125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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38
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Servettaz A, Noel V, Garcia T, Tourbah A, Jaussaud R. Myélite aiguë et névrite optique bilatérale évocatrices d’un syndrome de Devic chez une patiente atteinte de lupus érythémateux systémique : initiation possible par une vaccination grippale et une évolution spectaculaire sous rituximab. Rev Med Interne 2010. [DOI: 10.1016/j.revmed.2010.03.258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Noel V, Dezirey N, Servettaz A, Marty H, Jaussaud R. Carence en vitamine D et effets extraosseux : étude monocentrique rétrospective de 270 patients hospitalisés et consultants. Rev Med Interne 2010. [DOI: 10.1016/j.revmed.2010.03.315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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40
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Servettaz A, Noel V, Tabary T, Cohen J, Jaussaud R. Un déficit immunitaire commun variable associé à une maladie de Still. Rev Med Interne 2010. [DOI: 10.1016/j.revmed.2010.03.294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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41
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Jaussaud R, Servettaz A, Noel V, Tabary T, Cohen J, Macquart FX. Angiœdème acquis de type II rebelle avec gammapathie monoclonale IgM kappa traité avec succès par rituximab. Rev Med Interne 2010. [DOI: 10.1016/j.revmed.2010.03.130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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42
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NGuyen Y, Baumard S, Vernet-Garnier V, Servettaz A, De Champs C, Jaussaud R, Strady C. A-04 Épidémiologie descriptive des bactériémies à staphylocoque au CHU de Reims : 2008 versus 1993. Med Mal Infect 2009. [DOI: 10.1016/s0399-077x(09)74330-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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43
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Jaussaud R, Servettaz A, Tabary T, Cousson J, Vernet-Garnier V, Delmer A. Déficit immunitaire commun variable et polymorphisme génétique d’IRAK-1 chez un splénectomisé associés à un échec clinique de la vaccination antipneumococcique et de l’antibioprophylaxie. Rev Med Interne 2008. [DOI: 10.1016/j.revmed.2008.10.185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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44
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Jaussaud R, Voirin V, Vallé D, Servettaz A, Garnotel R, Ducasse A. Atteintes ophtalmologiques de la maladie de Fabry (MF). Rev Med Interne 2008. [DOI: 10.1016/j.revmed.2008.10.093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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45
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Servettaz A, Coppo P, Teixeira L, Coupel S, Guillevin L, Mouthon L. Des anticorps (Ac) anticellules endothéliales (AECA) sont présents chez les patients ayant une crise rénale sclérodermique et leurs cibles diffèrent de celles des Ac de patients atteints de microangiopathie thrombotique d'une autre origine. Rev Med Interne 2007. [DOI: 10.1016/j.revmed.2007.03.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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46
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Servettaz A, Guillaume C, Régent A, Noel V, Strady C, Jaussaud R. Leucoencéphalite progressive multifocale à JC virus chez deux patients non VIH atteints de granulomatose systémique. Rev Med Interne 2007. [DOI: 10.1016/j.revmed.2007.03.199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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47
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Guilpain P, Servettaz A, Goulvestre C, Barrieu S, Chéreau C, Pagnoux C, Guillevin L, Weill B, Batteux F, Mouthon L. Effets pathogènes des anticorps antimyéloperoxydase au cours de la polyangéite microscopique. Rev Med Interne 2007. [DOI: 10.1016/j.revmed.2007.03.063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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48
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Servettaz A, Guilpain P, Goulvestre C, Chéreau C, Hercend C, Nicco C, Guillevin L, Weill B, Mouthon L, Batteux F. Radical oxygen species production induced by advanced oxidation protein products predicts clinical evolution and response to treatment in systemic sclerosis. Ann Rheum Dis 2007; 66:1202-9. [PMID: 17363403 PMCID: PMC1955145 DOI: 10.1136/ard.2006.067504] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVES To investigate the role of reactive oxygen species (ROS) in the development of the various patterns of systemic sclerosis (SSc) and the mechanisms of ROS production by endothelial cells and fibroblasts. METHODS Production of hydrogen peroxide (H(2)O(2)), nitric oxide (NO) and cellular proliferation were determined following incubation of endothelial cells and fibroblasts with 56 SSc and 30 healthy sera. Correlations were established between those markers, the type and the severity of the clinical involvements, and the response to treatment. The factors leading to ROS production were determined. RESULTS H(2)O(2) production by endothelial cells and fibroblasts was higher after incubation with SSc sera than with normal sera (p<0.001) and with sera from SSc patients with severe complications than sera from other patients (p<0.05). Sera from patients with lung fibrosis triggered the proliferation of fibroblasts more than other SSc sera (p<0.001), whereas sera from patients with vascular complications exerted no proliferative effect on fibroblasts, but inhibited endothelial cell growth (p<0.05) and induced NO overproduction (p<0.05). Bosentan reduced NO release by 32%, whereas N-acetylcystein potentiated 5-fluorouracil (5FU) to inhibit fibroblast proliferation by 78%. Those serum-mediated effects did not involve antibodies but advanced oxidation protein products that selectively triggered cells to produce H(2)O(2) or NO. CONCLUSIONS SSc sera induce the production of different types of ROS that selectively activate endothelial cells or fibroblasts, leading to vascular or fibrotic complications. Assaying serum-induced ROS production allows clinical activity of the disease to be followed and appropriate treatments to be selected.
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Tamby MC, Humbert M, Guilpain P, Servettaz A, Dupin N, Christner JJ, Simonneau G, Fermanian J, Weill B, Guillevin L, Mouthon L. Antibodies to fibroblasts in idiopathic and scleroderma-associated pulmonary hypertension. Eur Respir J 2006; 28:799-807. [PMID: 16774952 DOI: 10.1183/09031936.06.00152705] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The aim of the present study was to investigate the presence of anti-fibroblast antibodies in patients with idiopathic or scleroderma-associated pulmonary arterial hypertension (PAH) and healthy controls. PAH was documented by right-heart catheterisation (mean pulmonary artery pressure at rest >25 mmHg). Serum immunoglobulin (Ig)G and IgM reactivities of patients with idiopathic PAH (n = 35), scleroderma-associated PAH (n = 10), diffuse (n = 10) or limited cutaneous (n = 10) scleroderma without PAH and age- and sex-matched healthy individuals (n = 65) were analysed by cell-based ELISA and immunoblotting on normal human fibroblasts. As assessed by ELISA, 14 out of 35 (40%) patients with idiopathic PAH and three out of 10 (30%) patients with scleroderma-associated PAH expressed anti-fibroblast IgG antibodies. IgG from all individuals bound to one major 40-kDa protein band. IgG from patients with idiopathic PAH bound to two 25- and 60-kDa bands with a higher intensity than IgG from other individuals. In conclusion, immunoglobulin G anti-fibroblast antibodies are present in the serum of patients with pulmonary arterial hypertension. Immunoglobulin G from patients with idiopathic pulmonary arterial hypertension or scleroderma-associated pulmonary arterial hypertension express distinct reactivity profiles with fibroblasts antigens, suggesting distinct target antigens.
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Tamby MC, Chanseaud Y, Humbert M, Fermanian J, Guilpain P, Garcia-de-la-Peña-Lefebvre P, Brunet S, Servettaz A, Weill B, Simonneau G, Guillevin L, Boissier MC, Mouthon L. Anti-endothelial cell antibodies in idiopathic and systemic sclerosis associated pulmonary arterial hypertension. Thorax 2005; 60:765-72. [PMID: 16135682 PMCID: PMC1747530 DOI: 10.1136/thx.2004.029082] [Citation(s) in RCA: 106] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND It has previously been shown that IgG antibodies from patients with limited cutaneous systemic sclerosis (SSc) bind to specific microvascular endothelial cell antigens. Since patients with limited cutaneous SSc are prone to develop pulmonary arterial hypertension (PAH), and since endothelial cell activation is involved in the pathogenesis of idiopathic PAH (IPAH), a study was undertaken to examine the presence of anti-endothelial cell antibodies in patients with idiopathic or SSc associated PAH. METHODS PAH was confirmed by right heart catheterisation (mean pulmonary artery pressure at rest >25 mm Hg). Serum IgG and IgM reactivities were analysed by immunoblotting on human macrovascular and microvascular lung and dermal endothelial cells from patients with IPAH (n = 35), patients with PAH associated with SSc (n = 10), patients with diffuse (n = 10) or limited cutaneous (n = 10) SSc without PAH, and 65 age and sex matched healthy individuals. RESULTS IgG antibodies from patients with IPAH bound to a 36 kDa band in macrovascular endothelial cell extracts with a higher intensity than IgG from other patient groups and controls. IgG antibodies from patients with IPAH bound more strongly to a 58 kDa band in microvascular dermal endothelial cells and to a 53 kDa band in microvascular lung endothelial cells than IgG antibodies from other patients and controls. IgG antibodies from patients with limited cutaneous SSc with or without PAH, but not from other groups or from healthy controls, bound to two major bands (75 kDa and 85 kDa) in microvascular endothelial cells. CONCLUSION IgG antibodies from patients with idiopathic or SSc associated PAH express distinct reactivity profiles with macrovascular and microvascular endothelial cell antigens.
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