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Favrel P, Dubos MP, Bernay B, Pasquier J, Schwartz J, Lefranc B, Mouret L, Rivière G, Leprince J, Bondon A. Structural and functional characterization of an egg-laying hormone signaling system in a lophotrochozoan - The pacific oyster (Crassostrea gigas). Gen Comp Endocrinol 2024; 346:114417. [PMID: 38030018 DOI: 10.1016/j.ygcen.2023.114417] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/30/2023] [Accepted: 11/26/2023] [Indexed: 12/01/2023]
Abstract
The egg-laying hormones (ELHs) of gastropod mollusks were characterized more than forty years ago. Yet, they have remained little explored in other mollusks. To gain insights into the functionality of the ELH signaling system in a bivalve mollusk - the oyster Crassostrea gigas, this study investigates the processing of its ELH precursor (Cragi-ELH) by mass spectrometry. Some of the ELH mature peptides identified in this study were subsequently investigated by nuclear magnetic resonance and shown to adopt an extended alpha-helix structure in a micellar medium mimicking the plasma membrane. To further characterize the ELH signaling system in C. gigas, a G protein-coupled receptor phylogenetically related to ecdysozoan diuretic hormone DH44 and corticotropin-releasing hormone (CRH) receptors named Cragi-ELHR was also characterized functionally and shown to be specifically activated by the two predicted mature ELH peptides and their N-terminal fragments. Both Cragi-ELH and Cragi-ELHR encoding genes were mostly expressed in the visceral ganglia (VG). Cragi-ELH expression was significantly increased in the VG of both fully mature male and female oysters at the spawning stage. When the oysters were submitted to a nutritional or hyposaline stress, no change in the expression of the ligand or receptor genes was recorded, except for Cragi-ELHR only during a mild acclimation episode to brackish water. These results suggest a role of Cragi-ELH signaling in the regulation of reproduction but not in mediating the stress response in our experimental conditions.
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Affiliation(s)
- P Favrel
- Université Caen Normandie, Normandie Univ, Sorbonne Universités, MNHN, UPMC, UA, CNRS 7208, IRD 207, Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), CS14032, Esplanade de la Paix, 14032 Caen, Cedex 5, France.
| | - M P Dubos
- Université Caen Normandie, Normandie Univ, Sorbonne Universités, MNHN, UPMC, UA, CNRS 7208, IRD 207, Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), CS14032, Esplanade de la Paix, 14032 Caen, Cedex 5, France
| | - B Bernay
- Université Caen Normandie, Normandie Univ, US EMERODE, PROTEOGEN Core Facility, Esplanade de la Paix, 14032 Caen, cedex 05, France
| | - J Pasquier
- Université Caen Normandie, Normandie Univ, Sorbonne Universités, MNHN, UPMC, UA, CNRS 7208, IRD 207, Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), CS14032, Esplanade de la Paix, 14032 Caen, Cedex 5, France
| | - J Schwartz
- Université Caen Normandie, Normandie Univ, Sorbonne Universités, MNHN, UPMC, UA, CNRS 7208, IRD 207, Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), CS14032, Esplanade de la Paix, 14032 Caen, Cedex 5, France
| | - B Lefranc
- Université Rouen Normandie, INSERM, Normandie Univ, NorDic UMR1239, Laboratoire de Différenciation et Communication Neuroendocrine, Endocrine et Germinale, F-76000 Rouen, France
| | - L Mouret
- Univ Rennes, CNRS, ISCR-UMR 6226, F-35000 Rennes, France
| | - G Rivière
- Université Caen Normandie, Normandie Univ, Sorbonne Universités, MNHN, UPMC, UA, CNRS 7208, IRD 207, Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), CS14032, Esplanade de la Paix, 14032 Caen, Cedex 5, France
| | - J Leprince
- Université Rouen Normandie, INSERM, Normandie Univ, NorDic UMR1239, Laboratoire de Différenciation et Communication Neuroendocrine, Endocrine et Germinale, F-76000 Rouen, France
| | - A Bondon
- Univ Rennes, CNRS, ISCR-UMR 6226, F-35000 Rennes, France
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Oulevey Bachmann A, Jubin J, Pasquier J, Portela Dos Santos O, Guzman Villegas-Frei M, Ortoleva Bucher C. Validation of the French Versions of the Flourish Index and the Secure Flourish Index. Cogent Psychology 2023. [DOI: 10.1080/23311908.2023.2173043] [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: 02/15/2023] Open
Affiliation(s)
- A. Oulevey Bachmann
- Laboratory of Prevention and Health Promotion in the Community, La Source School of Nursing, University of Applied Sciences and Arts Western Switzerland (HES-SO), Lausanne, Switzerland
| | - J. Jubin
- Laboratory of Prevention and Health Promotion in the Community, La Source School of Nursing, University of Applied Sciences and Arts Western Switzerland (HES-SO), Lausanne, Switzerland
| | - J. Pasquier
- Center for Primary Care and Public Health (Unisanté), University of Lausanne, Lausanne, Switzerland
| | - O. Portela Dos Santos
- School of Health Sciences Valais–Wallis, University of Applied Sciences and Arts Western Switzerland (HES-SO), Sion, Switzerland
| | - M. Guzman Villegas-Frei
- Laboratory of Prevention and Health Promotion in the Community, La Source School of Nursing, University of Applied Sciences and Arts Western Switzerland (HES-SO), Lausanne, Switzerland
| | - C. Ortoleva Bucher
- Laboratory of Ageing and Health, La Source School of Nursing, University of Applied Sciences and Arts Western Switzerland (HES-SO), Lausanne, Switzerland
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Santini S, Vionnet N, Barigou M, Pasquier J, Favre L. Is prealbumine a good biomarker of lean mass loss after gastric bypass? Clin Nutr ESPEN 2023. [DOI: 10.1016/j.clnesp.2022.09.234] [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: 03/28/2023]
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Santini S, Vionnet N, Suter M, Pasquier J, Hans D, Pitteloud N, Gonzalez-Rodriguez E, Favre L. Long-term effect of bariatric surgery on body composition in post-menopausal women. Clin Nutr ESPEN 2021. [DOI: 10.1016/j.clnesp.2021.09.064] [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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Cotte L, Hocqueloux L, Lefebvre M, Pradat P, Bani-Sadr F, Huleux T, Poizot-Martin I, Pugliese P, Rey D, Cabié A, Chirouze C, Drobacheff-Thiébaut C, Foltzer A, Bouiller K, Hustache-Mathieu L, Lepiller Q, Bozon F, Babre O, Brunel AS, Muret P, Chevalier E, Jacomet C, Laurichesse H, Lesens O, Vidal M, Mrozek N, Aumeran C, Baud O, Corbin V, Goncalvez E, Mirand A, brebion A, Henquell C, Lamaury I, Fabre I, Curlier E, Ouissa R, Herrmann-Storck C, Tressieres B, Receveur MC, Boulard F, Daniel C, Clavel C, Roger PM, Markowicz S, Chellum Rungen N, Merrien D, Perré P, Guimard T, Bollangier O, Leautez S, Morrier M, Laine L, Boucher D, Point P, Cotte L, Ader F, Becker A, Boibieux A, Brochier C, Brunel-Dalmas F, Cannesson O, Chiarello P, Chidiac C, Degroodt S, Ferry T, Godinot M, Livrozet JM, Makhloufi D, Miailhes P, Perpoint T, Perry M, Pouderoux C, Roux S, Triffault-Fillit C, Valour F, Charre C, Icard V, Tardy JC, Trabaud MA, Ravaux I, Ménard A, Belkhir AY, Colson P, Dhiver C, Madrid A, Martin-Degioanni M, Meddeb L, Mokhtari M, Motte A, Raoux A, Toméi C, Tissot-Dupont H, Poizot-Martin I, Brégigeon S, Zaegel-Faucher O, Obry-Roguet V, Laroche H, Orticoni M, Soavi MJ, Ressiot E, Ducassou MJ, Jaquet I, Galie S, Colson H, Ritleng AS, Ivanova A, Debreux C, Lions C, Rojas-Rojas T, Cabié A, Abel S, Bavay J, Bigeard B, Cabras O, Cuzin L, Dupin de Majoubert R, Fagour L, Guitteaud K, Marquise A, Najioullah F, Pierre-François S, Pasquier J, Richard P, Rome K, Turmel JM, Varache C, Atoui N, Bistoquet M, Delaporte E, Le Moing V, Makinson A, Meftah N, Merle de Boever C, Montes B, Montoya Ferrer A, Tuaillon E, Reynes J, Lefèvre B, Jeanmaire E, Hénard S, Frentiu E, Charmillon A, Legoff A, Tissot N, André M, Boyer L, Bouillon MP, Delestan M, Goehringer F, Bevilacqua S, Rabaud C, May T, Raffi F, Allavena C, Aubry O, Billaud E, Biron C, Bonnet B, Bouchez S, Boutoille D, Brunet-Cartier C, Deschanvres C, Gaborit BJ, Grégoire A, Grégoire M, Grossi O, Guéry R, Jovelin T, Lefebvre M, Le Turnier P, Lecomte R, Morineau P, Reliquet V, Sécher S, Cavellec M, Paredes E, Soria A, Ferré V, André-Garnier E, Rodallec A, Pugliese P, Breaud S, Ceppi C, Chirio D, Cua E, Dellamonica P, Demonchy E, De Monte A, Durant J, Etienne C, Ferrando S, Garraffo R, Michelangeli C, Mondain V, Naqvi A, Oran N, Perbost I, Carles M, Klotz C, Maka A, Pradier C, Prouvost-Keller B, Risso K, Rio V, Rosenthal E, Touitou I, Wehrlen-Pugliese S, Zouzou G, Hocqueloux L, Prazuck T, Gubavu C, Sève A, Giaché S, Rzepecki V, Colin M, Boulard C, Thomas G, Cheret A, Goujard C, Quertainmont Y, Teicher E, Lerolle N, Jaureguiberry S, Colarino R, Deradji O, Castro A, Barrail-Tran A, Yazdanpanah Y, Landman R, Joly V, Ghosn J, Rioux C, Lariven S, Gervais A, Lescure FX, Matheron S, Louni F, Julia Z, Le GAC S, Charpentier C, Descamps D, Peytavin G, Duvivier C, Aguilar C, Alby-Laurent F, Amazzough K, Benabdelmoumen G, Bossi P, Cessot G, Charlier C, Consigny PH, Jidar K, Lafont E, Lanternier F, Leporrier J, Lortholary O, Louisin C, Lourenco J, Parize P, Pilmis B, Rouzaud C, Touam F, Valantin MA, Tubiana R, Agher R, Seang S, Schneider L, PaLich R, Blanc C, Katlama C, Bani-Sadr F, Berger JL, N’Guyen Y, Lambert D, Kmiec I, Hentzien M, Brunet A, Romaru J, Marty H, Brodard V, Arvieux C, Tattevin P, Revest M, Souala F, Baldeyrou M, Patrat-Delon S, Chapplain JM, Benezit F, Dupont M, Poinot M, Maillard A, Pronier C, Lemaitre F, Morlat C, Poisson-Vannier M, Jovelin T, Sinteff JP, Gagneux-Brunon A, Botelho-Nevers E, Frésard A, Ronat V, Lucht F, Rey D, Fischer P, Partisani M, Cheneau C, Priester M, Mélounou C, Bernard-Henry C, de Mautort E, Fafi-Kremer S, Delobel P, Alvarez M, Biezunski N, Debard A, Delpierre C, Gaube G, Lansalot P, Lelièvre L, Marcel M, Martin-Blondel G, Piffaut M, Porte L, Saune K, Robineau O, Ajana F, Aïssi E, Alcaraz I, Alidjinou E, Baclet V, Bocket L, Boucher A, Digumber M, Huleux T, Lafon-Desmurs B, Meybeck A, Pradier M, Tetart M, Thill P, Viget N, Valette M. Microelimination or Not? The Changing Epidemiology of Human Immunodeficiency Virus-Hepatitis C Virus Coinfection in France 2012–2018. Clin Infect Dis 2021; 73:e3266-e3274. [DOI: 10.1093/cid/ciaa1940] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [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: 10/02/2020] [Accepted: 01/01/2021] [Indexed: 01/15/2023] Open
Abstract
Abstract
Background
The arrival of highly effective, well-tolerated, direct-acting antiviral agents (DAA) led to a dramatic decrease in hepatitis C virus (HCV) prevalence. Human immunodeficiency virus (HIV)-HCV–coinfected patients are deemed a priority population for HCV elimination, while a rise in recently acquired HCV infections in men who have sex with men (MSM) has been described. We describe the variations in HIV-HCV epidemiology in the French Dat’AIDS cohort.
Methods
This was a retrospective analysis of a prospective cohort of persons living with HIV (PLWH) from 2012 to 2018. We determined HCV prevalence, HCV incidence, proportion of viremic patients, treatment uptake, and mortality rate in the full cohort and by HIV risk factors.
Results
From 2012 to 2018, 50 861 PLWH with a known HCV status were followed up. During the period, HCV prevalence decreased from 15.4% to 13.5%. HCV prevalence among new HIV cases increased from 1.9% to 3.5% in MSM but remained stable in other groups. Recently acquired HCV incidence increased from 0.36/100 person-years to 1.25/100 person-years in MSM. The proportion of viremic patients decreased from 67.0% to 8.9%. MSM became the first group of viremic patients in 2018 (37.9%). Recently acquired hepatitis represented 59.2% of viremic MSM in 2018. DAA treatment uptake increased from 11.4% to 61.5%. More treatments were initiated in MSM in 2018 (41.2%) than in intravenous drug users (35.6%). In MSM, treatment at the acute phase represented 30.0% of treatments in 2018.
Conclusions
A major shift in HCV epidemiology was observed in PLWH in France from 2012 to 2018, leading to a unique situation in which the major group of HCV transmission in 2018 was MSM.
Clinical Trials Registration. NCT02898987.
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Affiliation(s)
- Laurent Cotte
- Department of Infectious Diseases, Croix-Rousse Hospital, Hospices Civils de Lyon, Lyon, Institut National de la Santé et de la Recherche Médicale (INSERM) U1052, Lyon, France
| | - Laurent Hocqueloux
- Department of Infectious Diseases, Centre Hospitalier Régional d’Orléans – La Source, Orléans, France
| | - Maeva Lefebvre
- Department of Infectious Diseases, Centre Hospitalier Universitaire Hôtel-Dieu, Nantes; Centre d’Investigation Clinique (CIC) 1413, INSERM, Nantes, France
| | - Pierre Pradat
- Center for Clinical Research, Croix-Rousse Hospital, Hospices Civils de Lyon, Lyon, France
| | - Firouze Bani-Sadr
- Department of Internal Medicine, Clinical Immunology and Infectious Diseases, Robert Debré Hospital, University Hospital, Reims, France
| | - Thomas Huleux
- Department of Infectious Diseases and Travel Diseases, Centre Hospitalier Gustave-Dron, Tourcoing, France
| | - Isabelle Poizot-Martin
- Immuno-Hematology Clinic, Assistance Publique–Hôpitaux de Marseille, Hôpital Sainte-Marguerite, Marseille, Aix-MarseilleUniversity–Inserm–Institut de Recherche pour le Développement (IRD), Sciences Economiques & Sociales de la Santé & Traitement de l’Information Médicale, Marseille, France
| | - Pascal Pugliese
- Department of Infectious Diseases, Centre Hospitalier Universitaire de Nice, Hôpital l’Archet, Nice, France
| | - David Rey
- HIV Infection Care Centre, Hôpitaux Universitaires, Strasbourg
| | - André Cabié
- Department of Infectious Diseases, Centre Hospitalier Universitaire de Martinique, Fort de France, Université des Antilles EA4537, Fort de France, INSERM CIC1424, Fort-de-France, France
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Turmel J, de Vial N, Pasquier J, Cabras O, Cabié A. Application des mesures de prévention anti-vectorielle chez les voyageurs en provenance des Antilles, au cours de leur séjour en zone impaludée. Med Mal Infect 2020. [DOI: 10.1016/j.medmal.2020.06.365] [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: 10/23/2022]
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Maugars G, Pasquier J, Atkinson C, Lafont AG, Campo A, Kamech N, Lefranc B, Leprince J, Dufour S, Rousseau K. Gonadotropin-inhibitory hormone in teleosts: New insights from a basal representative, the eel. Gen Comp Endocrinol 2020; 287:113350. [PMID: 31794732 DOI: 10.1016/j.ygcen.2019.113350] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 11/26/2019] [Accepted: 11/27/2019] [Indexed: 12/11/2022]
Abstract
Since its discovery in birds, gonadotropin-inhibitory hormone (GnIH) has triggered investigation in the other groups of vertebrates. In the present study, we have identified a single gnih gene in the European eel (Anguilla anguilla), a representative species of a basal group of teleosts (Elopomorphs). We have also retrieved a single gnih gene in Osteoglossomorphs, as well as in more recently emerged teleosts, Clupeocephala. Phylogeny and synteny analyses allowed us to infer that one of the two gnih paralogs emerged from the teleost-specific whole genome duplication (TWGD or 3R), would have been lost shortly after the 3R, before the emergence of the basal groups of teleosts. This led to the presence of a single gnih in extant teleosts as in other vertebrates. Two gnih paralogs were still found in some teleost species, such as in salmonids, but resulting from the additional whole genome duplication that specifically occurred in this lineage (4R). Eel gnih was mostly expressed in the diencephalon part of the brain, as analyzed by quantitative real-time PCR. Cloning of eel gnih cDNA confirmed that the sequence of the GnIH precursor encoded three putative mature GnIH peptides (aaGnIH-1, aaGnIH-2 and aaGnIH-3), which were synthesized and tested for their direct effects on eel pituitary cells in vitro. Eel GnIH peptides inhibited the expression of gonadotropin subunits (lhβ, fshβ, and common a-subunit) as well as of GnRH receptor (gnrh-r2), with no effect on tshβ and gh expression. The inhibitory effect of GnIH peptides on gonadotropic function in a basal teleost is in agreement with an ancestral inhibitory role of GnIH in the neuroendocrine control of reproduction in vertebrates.
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Affiliation(s)
- G Maugars
- Muséum National d'Histoire Naturelle, Research Unit BOREA, Biology of Aquatic Organisms and Ecosystems, CNRS, IRD, SU, UCN, UA, Paris, France
| | - J Pasquier
- Muséum National d'Histoire Naturelle, Research Unit BOREA, Biology of Aquatic Organisms and Ecosystems, CNRS, IRD, SU, UCN, UA, Paris, France
| | - C Atkinson
- Muséum National d'Histoire Naturelle, Research Unit BOREA, Biology of Aquatic Organisms and Ecosystems, CNRS, IRD, SU, UCN, UA, Paris, France
| | - A-G Lafont
- Muséum National d'Histoire Naturelle, Research Unit BOREA, Biology of Aquatic Organisms and Ecosystems, CNRS, IRD, SU, UCN, UA, Paris, France
| | - A Campo
- Muséum National d'Histoire Naturelle, Research Unit BOREA, Biology of Aquatic Organisms and Ecosystems, CNRS, IRD, SU, UCN, UA, Paris, France
| | - N Kamech
- Muséum National d'Histoire Naturelle, Research Unit BOREA, Biology of Aquatic Organisms and Ecosystems, CNRS, IRD, SU, UCN, UA, Paris, France
| | - B Lefranc
- Laboratory of Neuronal and Neuroendocrine Differentiation and Communication, INSERM U1239, Normandy University, Rouen, France
| | - J Leprince
- Laboratory of Neuronal and Neuroendocrine Differentiation and Communication, INSERM U1239, Normandy University, Rouen, France
| | - S Dufour
- Muséum National d'Histoire Naturelle, Research Unit BOREA, Biology of Aquatic Organisms and Ecosystems, CNRS, IRD, SU, UCN, UA, Paris, France
| | - K Rousseau
- Muséum National d'Histoire Naturelle, Research Unit BOREA, Biology of Aquatic Organisms and Ecosystems, CNRS, IRD, SU, UCN, UA, Paris, France.
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Di Virgilio G, Grapperon AM, Fayerstein J, Goudot M, Nollet S, Ochsner F, Théaudin M, Truffert A, Tsouni P, Vial C, Wang FC, Pasquier J, Tatu L, Attarian S, Kuntzer T. Ulnar neuropathy at the elbow: Reappraisal of the wrist-upper arm latency difference between ulnar and median nerves. Clin Neurophysiol 2019; 131:372-376. [PMID: 31865138 DOI: 10.1016/j.clinph.2019.11.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [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: 03/13/2019] [Revised: 11/20/2019] [Accepted: 11/25/2019] [Indexed: 12/01/2022]
Abstract
OBJECTIVES To evaluate the sensitivity and specificity of the latency difference (DLat) between ulnar and median nerves of the arm after stimulation at the wrist; one of the easiest techniques proposed for recognizing ulnar neuropathy at the elbow (UNE). As latency difference is not a standardized technique, we set up a multicenter study to recruit large numbers of normal subjects and patients with UNE or generalized neuropathy. METHODS Six centers participated in the study with data obtained from three groups of participants, controls (CTRLs), patients with UNE and patients with generalized neuropathy (GNP). We first verified the anatomical superposition of the ulnar and median nerves in cadaver examination. The optimal recording site for these two nerves was found to be 10 cm above the medial epicondyle. We then standardized the position of the arm with full extension of the elbow and stimulated first the median and then the ulnar nerves at the wrist. CTRLs were examined on both arms at two consecutive visits. RESULTS We recorded 32 idiopathic UNE cases, 44 GNP patients and 62 controls. We demonstrated that a DLat cut-off value of 0.69 ms brings a sensitivity of 0.86 and specificity of 0.89 to discriminate CTRLs from UNE. We also validated that intra-examiner reproducibility was good. CONCLUSION We report a lower normal value for DLat than reported in several non-standardized studies and CTRL and UNE groups have clearly separated DLat values. SIGNIFICANCE Due to its high sensitivity, our standardized technique could be used as a first-line diagnostic tool when UNE is suspected.
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Affiliation(s)
- G Di Virgilio
- Unité Nerf-Muscle, Service de Neurologie, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - A M Grapperon
- Reference Center for Neuromuscular Disorders and ALS, CHU La Timone, Aix-Marseille University, Marseille, France
| | - J Fayerstein
- Reference Center for Neuromuscular Disorders and ALS, CHU La Timone, Aix-Marseille University, Marseille, France
| | - M Goudot
- Hôpital Neurologique Pierre Wertheimer, Lyon, France
| | - S Nollet
- Service de Neurologie-Électrophysiologie clinique, University Hospital (CHRU), Besançon, France
| | - F Ochsner
- Unité Nerf-Muscle, Service de Neurologie, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - M Théaudin
- Unité Nerf-Muscle, Service de Neurologie, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - A Truffert
- Unité de Neuroimmunologie et des maladies Neuromusculaires, Hôpitaux Universitaires de Genève (HUG), Switzerland
| | - P Tsouni
- Unité Nerf-Muscle, Service de Neurologie, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland; Unité de Neuroimmunologie et des maladies Neuromusculaires, Hôpitaux Universitaires de Genève (HUG), Switzerland
| | - C Vial
- Hôpital Neurologique Pierre Wertheimer, Lyon, France
| | - F C Wang
- Neurophysiology Department, CHU Sart Tilman, Liège, Belgium
| | - J Pasquier
- Département Formation, Recherche et Innovation, Centre universitaire de médecine générale et santé publique, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - L Tatu
- Service de Neurologie-Électrophysiologie clinique, University Hospital (CHRU), Besançon, France
| | - S Attarian
- Reference Center for Neuromuscular Disorders and ALS, CHU La Timone, Aix-Marseille University, Marseille, France
| | - T Kuntzer
- Unité Nerf-Muscle, Service de Neurologie, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland.
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Pasquier J, Nguyen D, Pircher M, Anne-Marie-Sainte J, Olive C, Desbois-Nogard N, Fagour L, Richard P, Cuzin L, Cabié A. Stabilité de l’incidence des infections sexuellement transmissibles dans un CeGIDD ultra-marin. Med Mal Infect 2019. [DOI: 10.1016/j.medmal.2019.04.203] [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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Chatelan A, Castetbon K, Pasquier J, Allemann C, Zuber A, Camenzind-Frey E. Are dietary patterns at breakfast associated with abdominal obesity in a population-based survey? Rev Epidemiol Sante Publique 2018. [DOI: 10.1016/j.respe.2018.05.298] [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] Open
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Pasquier J, Rozé B, Myrta V, Calixte-Rouvel C, Daudens E, Dorléans F, Hochedez P, Hurtrel G, Olive C, Cabié A. La mélioïdose, une maladie émergente dans la Caraïbe. Med Mal Infect 2017. [DOI: 10.1016/j.medmal.2017.03.151] [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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Gonano C, Pasquier J, Daccord C, Lazor R. P240 Risk of pneumothorax due to air travel in pulmonary lymphangioleiomyomatosis. Chest 2017. [DOI: 10.1016/j.chest.2017.04.147] [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: 11/26/2022] Open
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13
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Morlé L, Alloisio N, Heynen Y, Martin JP, Pasquier J, Delaunay J. Red cell deformability and membrane protein phosphorylation in peripheral arterial disease. Clin Hemorheol Microcirc 2016. [DOI: 10.3233/ch-1983-3501] [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: 11/15/2022]
Affiliation(s)
- L. Morlé
- Groupe de Recherches sur le Globule Rouge, Faculté de Médecine, Grange-Blanche, 69373 Lyon Cedex 08, France
| | - N. Alloisio
- Groupe de Recherches sur le Globule Rouge, Faculté de Médecine, Grange-Blanche, 69373 Lyon Cedex 08, France
| | - Y.G. Heynen
- Service de Chirurgie Vasculaire, Hôpital Edouard Herriot, 69374 Lyon Cedex 08, France
| | - J.-P. Martin
- Clinique Médicale A, Hôpital Edouard Herriot, 69374 Lyon Cedex 08
| | - J. Pasquier
- Clinique Médicale A, Hôpital Edouard Herriot, 69374 Lyon Cedex 08
| | - J. Delaunay
- Groupe de Recherches sur le Globule Rouge, Faculté de Médecine, Grange-Blanche, 69373 Lyon Cedex 08, France
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Pasquier J, Lafont AG, Leprince J, Vaudry H, Rousseau K, Dufour S. First evidence for a direct inhibitory effect of kisspeptins on LH expression in the eel, Anguilla anguilla. Gen Comp Endocrinol 2011; 173:216-25. [PMID: 21679713 DOI: 10.1016/j.ygcen.2011.05.019] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2011] [Revised: 05/24/2011] [Accepted: 05/26/2011] [Indexed: 11/29/2022]
Abstract
The kisspeptin system has emerged as one of the main puberty gatekeepers among vertebrates. The European eel (Anguilla anguilla) is a remarkable model due to its phylogenetical position at the basis of teleosts, and its unique life cycle with a blockade of puberty before reproductive migration. We cloned the full-length coding sequence of a kisspeptin receptor (Kissr) in the eel. Comparison of Kissr sequences assigned the eel Kissr to a basal position in a clade including most of the known teleost Kissr, in agreement with the eel phylogenetical position. Eel Kissr tissue distribution was analyzed by quantitative real-time PCR. Eel Kissr was highly expressed in the brain, especially in the telencephalon and di-/mes-encephalon, while a very low or undetectable expression was observed in various peripheral organs. A high expression of Kissr was also found in the pituitary indicating a possible direct pituitary role of kisspeptin. Primary cultures of eel pituitary cells were performed to investigate the direct effects of kisspeptin on pituitary hormone expression. Human/lamprey kisspeptin exerted a time- and dose-dependent inhibitory effect on LHβ expression. All other tested kisspeptins had a similar inhibitory effect on LHβ expression. The inhibitory effect of kisspeptins was exerted specifically on LHβ as no change was induced on the expression of other glycoprotein hormone subunits (GPα, FSHβ and TSHβ) nor of growth hormone. These data provide the first evidence for the existence, in the European eel, of a kisspeptin system, which may play a direct inhibitory role on pituitary LHβ expression.
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Affiliation(s)
- J Pasquier
- Laboratory of Biology of Aquatic Organisms and Ecosystems (BOREA), UMR CNRS 7208-IRD207-UPMC, Muséum National d'Histoire Naturelle, 7 rue Cuvier, CP32, 75231 Paris Cedex 05, France
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Pasquier J, Candardjis G. Sur quelques résultats de longue durée dans le traitement des métastases de carcinomes mammaires. Oncology 2009. [DOI: 10.1159/000224089] [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: 11/19/2022]
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Noury N, Galay A, Pasquier J, Ballussaud M. Preliminary investigation into the use of Autonomous Fall Detectors. Annu Int Conf IEEE Eng Med Biol Soc 2009; 2008:2828-31. [PMID: 19163294 DOI: 10.1109/iembs.2008.4649791] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
A study was realized in France to meet the requirements of an autonomous fall sensor worn on the body. It consisted of a written questionnaire of which 149 were returned completed, which reveals that users are favorable to the use of a portable fall detector, worn like a watch, all through their daily activities, with a special wish for an audio feed back of the correct activity and, moreover, are ready to pay for the service on a monthly rate basis.
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Affiliation(s)
- N Noury
- Grenoble University, lab. TIMC-IMAG, France.
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Bruneaux M, Pasquier J, Terrier P, Leize E, Lallier F, Zal F. Respiratory adaptations of a deep-sea hydrothermal crustacean: The case of Segonzacia mesatlantica. Comp Biochem Physiol A Mol Integr Physiol 2008. [DOI: 10.1016/j.cbpa.2008.04.273] [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: 10/21/2022]
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Abstract
MOTIVATION Regulatory gene networks contain generic modules such as feedback loops that are essential for the regulation of many biological functions. The study of the stochastic mechanisms of gene regulation is instrumental for the understanding of how cells maintain their expression at levels commensurate with their biological role, as well as to engineer gene expression switches of appropriate behavior. The lack of precise knowledge on the steady-state distribution of gene expression requires the use of Gillespie algorithms and Monte-Carlo approximations. METHODOLOGY In this study, we provide new exact formulas and efficient numerical algorithms for computing/modeling the steady-state of a class of self-regulated genes, and we use it to model/compute the stochastic expression of a gene of interest in an engineered network introduced in mammalian cells. The behavior of the genetic network is then analyzed experimentally in living cells. RESULTS Stochastic models often reveal counter-intuitive experimental behaviors, and we find that this genetic architecture displays a unimodal behavior in mammalian cells, which was unexpected given its known bimodal response in unicellular organisms. We provide a molecular rationale for this behavior, and we implement it in the mathematical picture to explain the experimental results obtained from this network.
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Affiliation(s)
- T Fournier
- Department of Mathematics, University of Fribourg, Chemin du Musée 23, CH-1700 Fribourg, Switzerland
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Guedj E, Le Ber I, Lacomblez L, Dubois B, Verpillat P, Didic M, Salachas F, Vera P, Hannequin D, Lotterie JA, Puel M, Decousus M, Thomas-Antérion C, Magne C, Vercelletto M, Bernard AM, Golfier V, Pasquier J, Michel BF, Namer I, Sellal F, Bochet J, Volteau M, Brice A, Meininger V, Habert MO. Brain spect perfusion of frontotemporal dementia associated with motor neuron disease. Neurology 2007; 69:488-90. [PMID: 17664410 DOI: 10.1212/01.wnl.0000266638.53185.e7] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- E Guedj
- Service Central de Biophysique et Médecine Nucléaire, Assistance Publique des Hôpitaux de Marseille, Centre Hospitalo-Universitaire de la Timone, Marseille Cedex 5, France.
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Pinson A, Dubois A, Sambuchi N, Pasquier J, Bastien C, Michel B. P3-32 Troubles de la résolution de problème dans la maladie d’Alzheimer. Mise au point d’une méthode de mesure des corrélations anatomo-fonctionnelles au niveau du cortex pré-frontal dorso-latéral. Rev Neurol (Paris) 2005. [DOI: 10.1016/s0035-3787(05)85397-4] [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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Brunel H, Michel BF, Pasquier J, Gastaut JL. [Value of single photon emission computed tomography in the characterization of fronto-temporal dementia subtypes]. J Neuroradiol 2003; 30:37-45. [PMID: 12624590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
DFT (fronto-temporal dementia) was diagnosed in 33 patients (17 males and 16 females), mean age 74.9 years, using the criteria from Neary et al. (1998). The severity of the disease was evaluated based on the presence or absence of 4 clinical groups of signs (behavioral, affective, neurological signs and language) allowing the calculation of a global clinical ratio on 20. A CT-scan and a Single Photon Emission Computed Tomography (SPECT) scan using Tc99m-ECD with quantification of brain perfusion were then performed. This study confirmed the classical clinical forms of DFT: a psycho-affective form (21%), where negative symptoms are predominant, and a behavioral disinhibited form (9%). Most of our cases (40%) corresponded to a global form. Finally we also identified a fourth clinical form: cognitive form because of predominance of language disturbances (30%). Concerning SPECT, we found 4 topographic forms: frontal global (46%), frontal superior (24%), frontal inferior (15%) and frontal unilateral (12%). In the frontal inferior form, behavioral disturbances were correlated to the intensity of frontal inferior hypoperfusion, corresponding to an orbito-frontal dysfunction. In the frontal superior form, psycho-affective disturbances (apathy) were correlated with frontal superior hypoperfusion (anterior cingulum and superior dorso-lateral cortex). Finally, in global and frontal inferior SPECT forms, language disturbances were correlated with a frontal inferior hypoperfusion (prefrontal and inferior left frontal cortex).
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Affiliation(s)
- H Brunel
- (1) Service de Neuroradiologie, Hôpital de La Timone, 264 rue Saint-Pierre, 13385 Marseille Cedex 05.
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Brenot-Rossi I, Bouabdallah R, Di Stefano D, Bardou VJ, Stoppa AM, Camerlo J, Sauvan R, Gastaut JA, Pasquier J. Hodgkin's disease: prognostic role of gallium scintigraphy after chemotherapy. Eur J Nucl Med 2001; 28:1482-8. [PMID: 11685490 DOI: 10.1007/s002590100593] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2001] [Accepted: 06/07/2001] [Indexed: 10/27/2022]
Abstract
Evaluation of the response to therapy is important for optimal selection of treatment strategy in patients with Hodgkin's disease (HD). Refractory disease requires intensive high-dose chemotherapy, whereas unnecessary treatment should be avoided in patients in complete remission. The purpose of this study was to evaluate the contribution of gallium-67 scintigraphy in predicting the clinical outcome in patients with HD and mediastinal involvement on the basis of scan results at the end of chemotherapy. Seventy-four patients with HD and mediastinal involvement were retrospectively investigated with 67Ga scintigraphy 72 h after injection of 220 MBq 67Ga citrate (planar and single-photon emission tomographic studies) following the completion of chemotherapy. At the same time, they all underwent computed tomography (CT). Patients were followed up for an average of 63 months (range 28-124 months). The disease status was newly diagnosed disease in 64 of the patients and relapse in 10. Systemic symptoms were absent (A) in 34 cases and present (B) in 40 cases. Forty-one patients had stage I or II disease and 33 patients had stage III or IV disease. Twenty-two patients had bulky disease on initial diagnosis. At the end of chemotherapy, all 74 patients showed regression of the mass by more than 50% (50%-100%) on CT. Patients were divided into two groups according to the positivity or negativity of the gallium scan after chemotherapy: 61 patients had negative and 13 patients had positive gallium scans. In the gallium-negative group, 19.7% of the patients relapsed and 91.8% were alive at the end of the follow-up. Relapse occurred in 20% of the patients with residual mass and in 19.6% of the patients without residual mass. In the gallium-positive group, 84.6% of the patients had recurrent disease and 61.5% were alive after intensive chemotherapy. There was a statistically significant difference in overall survival between patients with positive and patients with negative gallium results (P=0.0034). Disease-free survival differed significantly between patients with positive and patients with negative gallium scans at the end of chemotherapy (P<0.0001). The relative risk of death was 5.2 and the relative risk of relapse was 11.3 for patients with positive gallium scans, in comparison to those with negative gallium scans. The positive and negative predictive values for predicting relapse were 85% and 87%, respectively. It is concluded that even if gallium scan is performed at the end of chemotherapy, it can predict outcome. Alternative therapy may be required on the basis of gallium scan results obtained after treatment.
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Affiliation(s)
- I Brenot-Rossi
- Department of Nuclear Medicine, Institut Paoli-Calmettes, Regional Cancer Centre, Université de la Méditerranée, Marseille, France.
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Abstract
The purpose of this study was to demonstrate that severe multipedicular lesions involving supraaortic trunks cause compromised cerebral hemodynamics with nonhemispheric symptoms (NHS) that can be relieved by surgical treatment. A total of 11 patients were prospectively included in the study. Regional cerebral blood flow (rCBF) and cerebral blood flow reactivity (CBFR) were measured by acetazolamide single photon emission computed tomoscintigraphy scans (SPECT) before and after surgery. Seven patients presented with isolated NHS and four presented with NHS associated with hemispheric symptoms. Lesions consisted of either high-grade (>75%) bilateral carotid artery stenosis associated with vertebral or subclavian artery lesions or high-grade (>75%) bilateral vertebral or subclavian artery stenosis associated with medium-grade (>50%) carotid lesions. All patients presented with a functional circle of Willis with no significant intracranial arterial lesions and no corticosubcortical atrophy. A total of 15 procedures were performed for revascularization of 19 arteries. The cumulative morbidity/mortality rate was nil. All revascularizations were patent on postoperative controls. Results from this study show that multipedicular lesions lead to hemodynamic changes affecting hemispheric and vertebrobasilar territories. Surgical treatment can improve or normalize cerebral hemodynamic abnormalities and relieve NHS.
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Affiliation(s)
- N Valerio
- Vascular Surgery Department, Timone University Hospital Center, 13385 Marseille Cedex 05, France
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Pinede L, Duhaut P, Cucherat M, Ninet J, Pasquier J, Boissel JP. Comparison of long versus short duration of anticoagulant therapy after a first episode of venous thromboembolism: a meta-analysis of randomized, controlled trials. J Intern Med 2000; 247:553-62. [PMID: 10809994 DOI: 10.1046/j.1365-2796.2000.00631.x] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To assess the length of oral anticoagulant therapy (short versus long duration) after a first episode of venous thromboembolism (VTE). DESIGN Meta-analysis of randomized controlled trials, comparing two durations of anticoagulation, identified in 1999 by a computerized search of the Cochrane Controlled Trial Register, Medline and Embase, completed by an extensive review of the references of pertinent articles. SETTING AND SUBJECTS The meta-analysis was performed on literature data. Seven published controlled trials were included. Relative risks with 95% confidence intervals were computed using the relative risk logarithm method. Statistical significance was set up at 0.01 for the test of association. MAIN OUTCOME MEASURES Outcomes are major haemorrhage and recurrence after a 12-month follow-up. RESULTS For the recurrence end-point (sample size of 2304 patients), a duration treatment of 12-24 weeks seems preferable to a 3-6 week regimen, with a relative risk (RR) of 0.60 (95% CI: 0.45-0.79, P < 0.001). For the major haemorrhage end-point (1823 patients), the RR is not significantly different from 1 (RR = 1.43, 95% CI: 0.51-4.01, P = 0. 5). The results were similar for the subgroup 'permanent risk factors' or 'idiopathic VTE' (RR for recurrence = 0.48, 95% CI: 0. 34-0.68, P < 0.001). The tendency was similar, although not reaching statistical significance, for the 'temporary risk factors' subgroup (RR for recurrence = 0.34, 95% CI: 0.13-0.93, P = 0.035). CONCLUSIONS After a first episode of VTE, a long-term treatment regimen allows a significant reduction in the incidence of recurrences without increasing the incidence of bleeding events.
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Affiliation(s)
- L Pinede
- Service de Médecine Interne, Hôpital Edouard Herriot, and Centre Cochrane Français, Unité de Pharmacologie Clinique, Lyon, France
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Vial H, Pinede L, Duhaut P, Demolombe-Rague S, Ninet J, Pasquier J. [An unusual cause of acute pancreatitis]. Ann Chir 1999; 53:435-8. [PMID: 10389334] [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] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Affiliation(s)
- H Vial
- Service de Médecine Interne, Pavillon H, Hôpital Edouard-Herriot, Lyon
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Duhaut P, Bomet H, Pinède L, Demolombe-Ragué S, Loire R, Seydoux D, Ninet J, Pasquier J. Maladie de Horton de dysthyroïdie: résultats de l'étude cas-témoins multicentrique GRACG. Rev Med Interne 1999. [DOI: 10.1016/s0248-8663(99)80130-1] [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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Pinède I, Boissel J, Ninel J, Duhaut P, Demolombe-Ragué S, Dechavanne M, Pasquier J, Durieu I, Nony P, Sanson C. Durée optimale du traitement anticoagulant oral dans la maladie thromboembolique veineuse: résultats préliminaires de l'essai DOTAVK. Rev Med Interne 1999. [DOI: 10.1016/s0248-8663(99)80196-9] [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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Duhaut P, Pinède L, Bornet H, Demolombe-Ragué S, Dumontet C, Ninet J, Loire R, Pasquier J. Biopsy proven and biopsy negative temporal arteritis: differences in clinical spectrum at the onset of the disease. Groupe de Recherche sur l'Artérite à Cellules Géantes. Ann Rheum Dis 1999; 58:335-41. [PMID: 10340957 PMCID: PMC1752903 DOI: 10.1136/ard.58.6.335] [Citation(s) in RCA: 76] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
OBJECTIVES To assess the clinical features of biopsy proven and negative biopsy temporal arteritis at the time of diagnosis and during a three year follow up. METHODS Newly diagnosed cases of giant cell arteritis were included in a prospective, multicentre study. Initial clinical and biological features, season of diagnosis, and cardiovascular events occurring during the follow up were recorded. Biopsy proven and negative biopsy cases were compared. RESULTS Two hundred and seven biopsy proven, and 85 negative biopsy cases were included from 1991 to 1997. Fifty eight per cent of the biopsy proven cases, compared with 39.29% of the negative biopsy cases, were diagnosed during the autumn or winter (p = 0.003). Visual problems (31.5%, v 19.1%, p = 0.031), blindness (9.7% v 2.38%, p = 0.033), jaw claudication (40.8%, v 28.243%, p = 0.044), and temporal artery palpation abnormalities (61.3% v 29.5%, p = 7.10(-7)) were more frequent in the biopsy proven than in the negative biopsy group. Less specific symptoms, such as headache (82.5% v 92. 9%, p = 0.021), or associated polymyalgia rheumatica (40.1% v 65.9%, p = 9 x 10(-5)) were more prevalent in the negative biopsy cases. Biological markers of inflammation were significantly more increased in the biopsy proven group. All cases of blindness occurring after treatment belonged to the biopsy proven group. CONCLUSION Biopsy proven cases seem to be more severe than biopsy negative cases at the time of diagnosis and during follow up. Seasonal difference at diagnosis may suggest a different aetiological pattern.
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Affiliation(s)
- P Duhaut
- Department of Internal Medicine, Edouard Herriot Hospital, Lyon, France
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Duhaut P, Demolombe-Ragué S, Pinède L, Albert M, Seydoux D, Loire R, Ninet J, Imler M, Pasquier J. Maladie de Norton et pseudopolyarthrite rhizomélique: rôle protecteur des grossesses? Étude cas-témoins multicentrique, prospective GRACG. Rev Med Interne 1999. [DOI: 10.1016/s0248-8663(99)80188-x] [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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Duhaut P, Bornet H, Pinède L, Demolombe-Ragué S, Loire R, Seydoux D, Ninet J, Pasquier J. Giant cell arteritis and thyroid dysfunction: multicentre case-control study. The Groupe de Recherche sur l'Artériteá Cellules Géantes. BMJ 1999; 318:434-5. [PMID: 9974458 PMCID: PMC27736 DOI: 10.1136/bmj.318.7181.434] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- P Duhaut
- Department of Internal Medicine, E Herriot Hospital, Lyons, Cedex 03, France
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Jacquet J, Salet P, Plais A, Brillouet F, Derouin E, Goldstein L, Fortin C, Gaborit F, Pagnod P, Bissessur H, Lafragette JL, Gerard F, Pasquier J, Starck C. Recent developments in the area of vertical cavity surface emitting lasers. ACTA ACUST UNITED AC 1999. [DOI: 10.1051/jp4:1999201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Duhaut P, Pinède L, Demolombe-Ragué S, Dumontet C, Ninet J, Seydoux D, Loire R, Pasquier J. Giant cell arteritis and polymyalgia rheumatica: are pregnancies a protective factor? A prospective, multicentre case-control study. GRACG (Groupe de Recherche sur l'Artérite à Cellules Géantes). Rheumatology (Oxford) 1999; 38:118-23. [PMID: 10342623 DOI: 10.1093/rheumatology/38.2.118] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVE To assess the potential role of allo-immunization, either by former pregnancies, or by a history of blood transfusion, in the pathogenesis of giant cell arteritis and polymyalgia rheumatica. METHODS Two hundred and eighty-five incident female cases and 186 age-matched, population-based female controls were prospectively included in a multicentre case-control study. RESULTS The number of pregnancies was significantly lower in cases than in controls (nulliparous: 21.55% vs 12.90%; > or =4 pregnancies: 16.25% vs 27.42%; Wilcoxon rank sum test: P = 0.0019) in biopsy-proven or negative temporal arteritis and, to a lesser extent, in polymyalgia rheumatica. No difference was found for history of blood transfusion. Pregnancies remained negatively associated with the disease in a multivariate analysis including cardiovascular risk factors such as smoking or a pre-existing peripheral vascular disease. CONCLUSION Former pregnancies are not a risk factor for giant cell arteritis. Pregnancies may be protective thanks to an effect of the associated hyperoestrogenic state against alterations of the artery wall, as suggested in animal models.
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Affiliation(s)
- P Duhaut
- Department of Internal Medicine, Edouard Herriot Hospital, Lyon, France
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Duhaut P, Bosshard S, Calvet A, Pinede L, Demolombe-Rague S, Dumontet C, Loire R, Seydoux D, Ninet J, Pasquier J, Aymard M. Giant cell arteritis, polymyalgia rheumatica, and viral hypotheses: a multicenter, prospective case-control study. Groupe de Recherche sur l'Artérite à Cellules Géantes. J Rheumatol 1999; 26:361-9. [PMID: 9972970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
OBJECTIVE Although suspected, a viral etiology has never been proven in giant cell arteritis (GCA). We tested for viruses known to induce multinucleated giant cells in human pathology, which include the parainfluenza viruses (HPIV), respiratory syncytial virus, measles virus, herpesviruses type 1 and 2, and the Epstein-Barr virus. METHODS A multicenter case-control study on incident cases of temporal arteritis (TA) and polymyalgia rheumatica (PMR). Population based age and sex matched controls were randomly selected. Serological tests for IgG and IgM directed against the viruses listed above were performed, on blood samples taken at the time of clinical diagnosis. RESULTS Three hundred five new patients were included over a 5 year period, of whom 159 presented with positive biopsy TA, 70 with negative biopsy TA, and 76 with negative biopsy PMR. Thirty-eight percent of cases versus 20.9% of controls were positive for IgM directed against HPIV (p = 0.00005). The association was stronger in the positive TA subgroup [positivity rate 43.31%; odds ratio with controls 2.89 (95% CI 1.82-4.60, p = 0.000006)] than in the PMR or negative biopsy TA subgroups. Only HPIV type 1 was associated with the disease, regardless of the season or the geographical origin of the cases. Positivity rates for HPIV types 2 and 3 and for the other viruses tested were similar in cases and controls. CONCLUSION Our findings suggest that reinfection with HPIV type 1 is associated with the onset of GCA in a subset of patients, particularly in cases with positive TA biopsy.
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Affiliation(s)
- P Duhaut
- Department of Internal Medicine, Edouard Herriot Hospital, Lyon, France.
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Duhaut P, Pinede L, Demolombe-Rague S, Loire R, Seydoux D, Ninet J, Pasquier J. [Horton's disease, polymyalgia rheumatica, and cardiovascular risk factors. A case-control, prospective multicenter study]. Ann Med Interne (Paris) 1998; 149:433-40. [PMID: 9921397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
OBJECTIVES To assess the potential pathogenetic role of cardiovascular risk factors measured at diagnosis in temporal arteritis. METHODS Four hundred newly diagnosed patients and their age- and sex-matched controls randomly selected from the general population were included in a prospective multicentric cas-control study. RESULTS In female patients, smoking increased the disease risk by a factor of 6 (95% CI: 2-17, p = 0.00006), and by a factor of 17 in case of > 10 pack-years. Pre-existing peripheral arterial disease increased the risk by a 4.5-fold factor (95% CI: 2-11, p = 0.0003), both in patients with a positive and those with a negative biopsy. Smoking alone appeared as a risk factor for polymyalgia rheumatica (OR: 3,64, 95% CI: 1.07-12.40). In male patients, none of the cardiovascular risk factors studied was positivity associated with the disease. CONCLUSION Smoking and a pre-existing peripheral arterial disease are independently associated with temporal arteritis in women. Risk factors for disease with an imbalanced sex ratio should be studied separately for each sex in matched case-control studies in order to avoid matching bias.
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Affiliation(s)
- P Duhaut
- Service de Médecine Interne, Hôpital Edouard-Herriot, Lyon
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Duhaut P, Pinede L, Demolombe-Rague S, Loire R, Seydoux D, Ninet J, Pasquier J. Giant cell arteritis and cardiovascular risk factors: a multicenter, prospective case-control study. Groupe de Recherche sur l'Artérite à Cellules Géantes. Arthritis Rheum 1998; 41:1960-5. [PMID: 9811050 DOI: 10.1002/1529-0131(199811)41:11<1960::aid-art10>3.0.co;2-x] [Citation(s) in RCA: 83] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE To assess the role of cardiovascular risk factors, measured at the time of diagnosis, in the pathogenesis of giant cell (temporal) arteritis (GCA). METHODS Four hundred new patients with GCA or polymyalgia rheumatica (PMR) and population-based, individually age- and sex-matched controls were included in this multicenter, prospective case-control study. Each participant was evaluated by review of the medical history and by clinical and laboratory assessments. RESULTS Among women, smoking was associated with a 6-fold increase in risk (P = 0.00006, 95% confidence interval [95% CI] 2-17), heavy smoking with a 17-fold increase in risk, and previous atheromatous disease with a 4.5-fold increase in risk (P = 0.0003, 95% CI 2-11) of GCA in both the biopsy-positive and biopsy-negative GCA groups; only smoking appeared to be a risk factor for PMR in women (odds ratio 3.64, 95% CI 1.07-12.40). Among men, no risk factor was found to be significant. CONCLUSION Smoking and previous arterial disease were independently associated with GCA in women. In order to avoid matching bias, risk factors for diseases with an unbalanced sex distribution should be studied separately in each sex, using a sex-matched, case-control study design.
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Affiliation(s)
- P Duhaut
- Edouard Herriot Hospital, Lyon, France
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Duhaut P, Pinède L, Demolombe-Ragué S, Loire R, Seydoux D, Ninet J, Pasquier J. Maladie de Horton et facteurs de risque cardiovasculaire: résultats de l'étude multicentrique cas-témoins GRACG. Rev Med Interne 1998. [DOI: 10.1016/s0248-8663(98)80123-9] [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: 11/26/2022]
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Durupt S, Pinède L, Bobin S, Fulde E, Demolombe-Rague S, Duhaut P, Pasquier J. [Listeria monocytogenes: a rare cause of spontaneous bacterial peritonitis in liver cirrhosis]. Rev Med Interne 1998; 19:362-3. [PMID: 9775176 DOI: 10.1016/s0248-8663(98)80112-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Duhaut P, Berruyer M, Pinede L, Demolombe-Rague S, Loire R, Seydoux D, Dechavanne M, Ninet J, Pasquier J. Anticardiolipin antibodies and giant cell arteritis: a prospective, multicenter case-control study. Groupe de Recherche sur l'Artérite à Cellules Géantes. Arthritis Rheum 1998; 41:701-9. [PMID: 9550480 DOI: 10.1002/1529-0131(199804)41:4<701::aid-art18>3.0.co;2-p] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
OBJECTIVE To assess the prevalence and thrombogenic role of anticardiolipin antibodies (aCL) in giant cell arteritis. METHODS Two hundred eighty-four patients with newly diagnosed temporal arteritis or polymyalgia rheumatica and 210 age- and sex-matched controls randomly selected from the general population were included in a multicenter, prospective case-control study. Blood samples were obtained at the time of diagnosis, data on initial clinical features were collected in a questionnaire, and temporal artery biopsy findings were reviewed by an experienced pathologist. RESULTS Anticardiolipin antibodies were present in 20.7% of patients compared with 2.9% of controls (P = 1.45 x 10(-9)). The prevalence of aCL was higher in samples found positive for temporal arteritis than in those found negative on biopsy (31.2% versus 16.7%; P = 0.04), and was similarly higher in the biopsy-positive temporal arteritis group compared with the polymyalgia rheumatica and control groups. Although aCL were associated with thrombotic complications in univariate analysis, the positivity of the biopsy findings remained the only predictive variable in stratified analysis. CONCLUSION In giant cell arteritis, aCL seem to function as reactive antibodies in relation to endothelial lesions.
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Affiliation(s)
- P Duhaut
- Edouard Herriot Hospital, Lyon, France
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Abstract
We report two observations of young women with concomitant diagnosis of acute arterial occlusion of the upper limb and Graves' disease. The occlusion was probably related to arterial embolism on paroxysmal atrial fibrillation, without underlying cardiopathy. Dosage of thyroid hormones should be performed in case of arterial occlusion in young subjects without cardiovascular risk factors.
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Affiliation(s)
- L Pinède
- Service de médecine interne, hôpital Edouard-Herriot, Lyon, France
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Le Berre JP, Ninet J, Rousset H, Levrat R, Moreau T, Flechaire A, Adeleine P, Pasquier J. Dermatopolymyosites: étude rétrospective de 37 cas. Rev Med Interne 1998. [DOI: 10.1016/s0248-8663(98)90118-7] [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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Khouatra C, Honnorat J, Bombaron P, Gerinière L, Pinede L, Gonnaud PM, Souquet PJ, Pasquier J, Bernard JP. [Paraneoplastic intestinal pseudo-occlusion and sensory neuronopathy disclosing small-cell bronchial cancer]. Rev Med Interne 1997; 18:652-6. [PMID: 9365741 DOI: 10.1016/s0248-8663(97)82468-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
This report describes a case of paraneoplastic neurological syndrome associating a subacute sensory neuronopathy and an intestinal pseudo-obstruction in a 64-year old man with a small cell lung cancer. Various paraneoplastic neurological syndromes have been described in association with small cell lung cancer. In our patient anti-Hu antibodies were identified by indirect immunohistochemistry and western-blot analysis. This antibody constitutes an informative tool in assessing the paraneoplastic origin of neurologic symptoms when the etiological inquiry is negative. Its positivity is important in promoting the search for an underlying malignancy and should lead to repeat investigations if the first investigations are normal.
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Affiliation(s)
- C Khouatra
- Service de pneumologie, hôpital Lyon-Sud, France
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Pinède L, Ninet J, Duhaut P, Demolombe-Ragué S, Boissel JP, Dechavanne M, Pasquier J. Prise en charge thérapeutique initiale, actuelle, de la thrombose veineuse profonde des membres inférieurs et de l'embolie pulmonaire. réflexions à propos de 500 observations nationales. Rev Med Interne 1997. [DOI: 10.1016/s0248-8663(97)80305-0] [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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Bréchignac X, Pinède L, Laplace S, Coppéré B, Rague SD, Duhaut P, Ninet J, Pasquier J. [Acute pancreatitis, an unknown complication of acute intravascular hemolysis]. Rev Med Interne 1996; 17:172-3. [PMID: 8787093 DOI: 10.1016/0248-8663(96)82971-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Duhaut P, Lardet M, Pinède L, Demolombe-Ragué S, Ninet J, Pasquier J. Fréquence d'utilisation des médecines parallèles dans une population de 144 patients hospitalisés. Rev Med Interne 1996. [DOI: 10.1016/s0248-8663(97)80926-5] [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: 10/17/2022]
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Pinède L, Ninet J, Duhaut P, Demolombe-Ragué S, Duchemin J, Beck F, Pasquier J. Ischémies digitales sévères révélatrices d'une maladie de Basedow deux observations. Rev Med Interne 1996. [DOI: 10.1016/s0248-8663(97)81098-3] [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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Grasser L, Ninet J, Trzeciak M, Amaranto P, Girard-Madoux M, Coppéré B, Pasquier J. Symptômes et évolution de 157 patients porteurs d'anticorps antiphospholipides: étude rétrospective. Rev Med Interne 1996. [DOI: 10.1016/s0248-8663(97)80914-9] [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: 10/17/2022]
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Demolombe-Ragué S, Pinède L, Ninet J, Bouchou K, Duhaut P, Berger F, Boucheron S, Rousset H, Pasquier J. [Intravascular malignant lymphoma (ex-malignant angioendotheliosis). 3 cases]. Presse Med 1995; 24:1689-93. [PMID: 8545397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Malignant angioendotheliomatosis is an intravascular proliferation of tumour cells in the small arteries, veins and capillaries. Its lymphomatous origin has been proved recently by immunohistochemistry. It is a rare, generally rapidly fatal condition. Less than 150 cases have been reported in the literature. We report three cases. Long course fever with delayed neurologic disturbances were observed in the first case and long course fever, hyponatraemia, corticotropic and gonadotropic insufficiency in the second. The third case began with febrile meningo-encephalitis. Diagnosis was made at autopsy in the two first cases and on evidence from kidney needle-biopsy in the third. Clinical manifestations are polymorphic and frequently simulate vasculitis. Neurologic signs are the most common. Histologically, kidneys, skin, endocrine glands, lungs, muscles and most of the organs may be involved. Surprisingly lymph nodes, bone marrow and spleen are often free from disease. Current treatment is based on polychemotherapy. Earlier diagnosis of the disease should improve the prognosis as observed in our third patient.
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Affiliation(s)
- S Demolombe-Ragué
- Pavillon H, Service de Médecine interne, Hôpital Edouard Herriot, Lyon
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Dupuy O, Pinede L, Coppere B, Duhaut P, Pasquier J, Ninet J. [Schnitzler syndrome with stable course over a 18-year period. Report of a case]. Presse Med 1995; 24:1402. [PMID: 8545325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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Bréchignac X, Coppéré B, Pinède L, Ninet J, Demolombe Rague S, Duhaut P, Pasquier J. [Capillary hyperpermeability syndrome: a new case]. Rev Med Interne 1995; 16:227-8. [PMID: 7740237 DOI: 10.1016/0248-8663(96)80698-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Giovannini M, Pasquier J, Brenot-Rossi I, Perrier H, Sauvan R, Seitz JF. [The role of echoendoscopy and scintigraphy of somatostatin receptors in the staging of neuro-endocrine digestive tumors]. Ann Gastroenterol Hepatol (Paris) 1995; 31:109-13. [PMID: 7618832] [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] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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