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Rahmani A, Parizadeh L, Baud M, Francois Y, Bazire A, Rodrigues S, Fleury Y, Cuny H, Debosse E, Cabon J, Louboutin L, Bellec L, Danion M, Morin T. Correction to: Potential of Marine Strains of Pseudoalteromonas to Improve Resistance of Juvenile Sea Bass to Pathogens and Limit Biofilm Development. Probiotics Antimicrob Proteins 2023:10.1007/s12602-023-10206-y. [PMID: 38146023 DOI: 10.1007/s12602-023-10206-y] [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: 12/27/2023]
Affiliation(s)
- A Rahmani
- Virology, Immunology and Ecotoxicology of Fish Unit, ANSES, Ploufragan-Plouzané-Niort Laboratory, National Reference Laboratory for Regulated Fish Diseases, National Research Infrastructure Emerg'In, 29280, Plouzané, France
| | - L Parizadeh
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, 29000, Quimper, France
- Laboratoire LIttoral ENvironnement et Sociétés (LIENSs), UMR 7266, CNRS - La Rochelle Université, 17000, La Rochelle, France
| | - M Baud
- Virology, Immunology and Ecotoxicology of Fish Unit, ANSES, Ploufragan-Plouzané-Niort Laboratory, National Reference Laboratory for Regulated Fish Diseases, National Research Infrastructure Emerg'In, 29280, Plouzané, France
| | - Y Francois
- SYSAAF, Station LPGP/INRAE, Campus de Beaulieu, 35042, Rennes, France
| | - A Bazire
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, 56100, Lorient, France
| | - S Rodrigues
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, 56100, Lorient, France
| | - Y Fleury
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, 29000, Quimper, France
| | - H Cuny
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, 29000, Quimper, France
| | - E Debosse
- Virology, Immunology and Ecotoxicology of Fish Unit, ANSES, Ploufragan-Plouzané-Niort Laboratory, National Reference Laboratory for Regulated Fish Diseases, National Research Infrastructure Emerg'In, 29280, Plouzané, France
| | - J Cabon
- Virology, Immunology and Ecotoxicology of Fish Unit, ANSES, Ploufragan-Plouzané-Niort Laboratory, National Reference Laboratory for Regulated Fish Diseases, National Research Infrastructure Emerg'In, 29280, Plouzané, France
| | - L Louboutin
- Virology, Immunology and Ecotoxicology of Fish Unit, ANSES, Ploufragan-Plouzané-Niort Laboratory, National Reference Laboratory for Regulated Fish Diseases, National Research Infrastructure Emerg'In, 29280, Plouzané, France
| | - L Bellec
- UMR 5805, Université de Bordeaux, CNRS, Bordeaux INP, EPOC, 33600, Pessac, France
| | - M Danion
- Virology, Immunology and Ecotoxicology of Fish Unit, ANSES, Ploufragan-Plouzané-Niort Laboratory, National Reference Laboratory for Regulated Fish Diseases, National Research Infrastructure Emerg'In, 29280, Plouzané, France
| | - T Morin
- Virology, Immunology and Ecotoxicology of Fish Unit, ANSES, Ploufragan-Plouzané-Niort Laboratory, National Reference Laboratory for Regulated Fish Diseases, National Research Infrastructure Emerg'In, 29280, Plouzané, France.
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Rahmani A, Parizadeh L, Baud M, Francois Y, Bazire A, Rodrigues S, Fleury Y, Cuny H, Debosse E, Cabon J, Louboutin L, Bellec L, Danion M, Morin T. Potential of Marine Strains of Pseudoalteromonas to Improve Resistance of Juvenile Sea Bass to Pathogens and Limit Biofilm Development. Probiotics Antimicrob Proteins 2023:10.1007/s12602-023-10180-5. [PMID: 37851325 DOI: 10.1007/s12602-023-10180-5] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/11/2023] [Indexed: 10/19/2023]
Abstract
The European sea bass (Dicentrarchus labrax), one of the most produced marine fish species in Europe, is acutely vulnerable to multiple infectious hazards. In this study, we investigated the potential probiotic effect of some marine Pseudoalteromonas bacterial strains against two major pathogens of this species, Vibrio harveyi and the nervous necrosis virus (NNV), and examined their antibiofilm effect. Impregnation phase was done by repeated immersion of juvenile's sea bass during 8 to 12 weeks in seawater containing the probiotic candidates at a concentration of 106 CFU/mL. Four candidates were tested: (1) a combination of two strains producing antimicrobial compounds, hCg-42 and hOe-125; (2) strain 3J6, with known antibiofilm properties; (3) strain RA15, from the same genus, but with no identified probiotic effect; and (4) a control group without probiotics. At the end of the impregnation phase, fish underwent an infection challenge with V. harveyi or with a pathogenic strain of NNV and mortality was monitored. For the V. harveyi challenge, improved survival rates of 10 and 25% were obtained for the RA15 and the mix hCg-42 + hOe-125-impregnated groups, respectively. For the NNV challenge, no significant benefic effect of the probiotics on infection kinetics or cumulative mortality was observed. At the end of the impregnation phase, the maximal thickness of biofilm was significantly lower in the 3J6, double strain, and RA15 groups, compared with the non-impregnated control group. This study highlights the interesting probiotic potential of marine bacteria to limit mortalities induced by bacterial pathogens as well as biofilm development.
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Affiliation(s)
- A Rahmani
- Virology, Immunology and Ecotoxicology of Fish Unit, ANSES, Ploufragan-Plouzané-Niort Laboratory, National Reference Laboratory for Regulated Fish Diseases, National Research Infrastructure Emerg'In, 29280, Plouzané, France
| | - L Parizadeh
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, 29000, Quimper, France
- Laboratoire LIttoral ENvironnement et Sociétés (LIENSs), UMR 7266, CNRS - La Rochelle Université, 17000, La Rochelle, France
| | - M Baud
- Virology, Immunology and Ecotoxicology of Fish Unit, ANSES, Ploufragan-Plouzané-Niort Laboratory, National Reference Laboratory for Regulated Fish Diseases, National Research Infrastructure Emerg'In, 29280, Plouzané, France
| | - Y Francois
- SYSAAF, Station LPGP/INRAE, Campus de Beaulieu, 35042, Rennes, France
| | - A Bazire
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, 56100, Lorient, France
| | - S Rodrigues
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, 56100, Lorient, France
| | - Y Fleury
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, 29000, Quimper, France
| | - H Cuny
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, 29000, Quimper, France
| | - E Debosse
- Virology, Immunology and Ecotoxicology of Fish Unit, ANSES, Ploufragan-Plouzané-Niort Laboratory, National Reference Laboratory for Regulated Fish Diseases, National Research Infrastructure Emerg'In, 29280, Plouzané, France
| | - J Cabon
- Virology, Immunology and Ecotoxicology of Fish Unit, ANSES, Ploufragan-Plouzané-Niort Laboratory, National Reference Laboratory for Regulated Fish Diseases, National Research Infrastructure Emerg'In, 29280, Plouzané, France
| | - L Louboutin
- Virology, Immunology and Ecotoxicology of Fish Unit, ANSES, Ploufragan-Plouzané-Niort Laboratory, National Reference Laboratory for Regulated Fish Diseases, National Research Infrastructure Emerg'In, 29280, Plouzané, France
| | - L Bellec
- UMR 5805, Université de Bordeaux, CNRS, Bordeaux INP, EPOC, 33600, Pessac, France
| | - M Danion
- Virology, Immunology and Ecotoxicology of Fish Unit, ANSES, Ploufragan-Plouzané-Niort Laboratory, National Reference Laboratory for Regulated Fish Diseases, National Research Infrastructure Emerg'In, 29280, Plouzané, France
| | - T Morin
- Virology, Immunology and Ecotoxicology of Fish Unit, ANSES, Ploufragan-Plouzané-Niort Laboratory, National Reference Laboratory for Regulated Fish Diseases, National Research Infrastructure Emerg'In, 29280, Plouzané, France.
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John S, Ewing R, Baud M, Divecha N, Skipp P. 74P Characterizing the beta-catenin interactome using inhibitor screens and novel interaction proteomics techniques. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.09.075] [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: 11/01/2022] Open
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Khadiullina R, Mirgayazova R, Davletshin D, Khusainova E, Chasov V, Baud M, Bulatov E. 78P Small molecule compounds targeting the p53 mutants. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.09.079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Davletshin D, Khusainova E, Khadiullina R, Mirgayazova R, Baud M, Bulatov E. 76P Modulation of mutant p53 activity using indazole derivatives. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.09.077] [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: 11/01/2022] Open
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Storme N, Toublanc B, Mejdoub F, Baud M, Clarot C, Hoguet E, Lenel S, Leleu O. [Tracheal lipoma: An exceptional cause of tracheal tumors]. Rev Mal Respir 2021; 39:58-61. [PMID: 34974925 DOI: 10.1016/j.rmr.2021.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 11/21/2021] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Tracheal tumors are rare, they are most often malignant and can manifest themselves by a non-specific respiratory symptomatology with progressively increasing dyspnea orienting in the first place towards a COPD or even an asthma. Among them, tracheal lipoma is exceptional. Its management is based on removal by rigid bronchoscopy. OBSERVATION We report the case of a 73-year-old male patient who presented with non-specific dyspnea that progressively worsened over several months. The EFR showed a flattening of the flow-volume curves, the CT scan showed an anterolateral oval tracheal tumor with fatty density, the bronchial endoscopy showed a tumor lesion with stenosis of about 90% of the airway. Management consisted of a rigid bronchoscopy to delete obtruction with biopsies. Anatomopathology concluded to a tracheal lipoma. CONCLUSION Progressively worsening dyspnea, especially if there are signs of inspiratory dyspnea, required a systematic bronchial endoscopy to avoid the possibility of a tracheal tumor.
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Affiliation(s)
- N Storme
- Service de pneumologie, CH Abbeville, Abbeville, France.
| | - B Toublanc
- Service de radiologie, CH Abbeville, Abbeville, France
| | - F Mejdoub
- Service d'endoscopies bronchiques, CHU Amiens, Amiens, France
| | - M Baud
- Service de pneumologie, CH Abbeville, Abbeville, France
| | - C Clarot
- Service de pneumologie, CH Abbeville, Abbeville, France
| | - E Hoguet
- Service de pneumologie, CH Abbeville, Abbeville, France
| | - S Lenel
- Service de pneumologie, CH Abbeville, Abbeville, France
| | - O Leleu
- Service de pneumologie, CH Abbeville, Abbeville, France
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Leleu O, Basille D, Auquier M, Clarot C, Hoguet E, Baud M, Lenel S, Milleron B, Berna P, Jounieaux V. Results of Second Round Lung Cancer Screening by Low-Dose CT scan - French Cohort Study (DEP-KP80). Clin Lung Cancer 2021; 23:e54-e59. [PMID: 34764039 DOI: 10.1016/j.cllc.2021.09.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 09/22/2021] [Accepted: 09/27/2021] [Indexed: 12/24/2022]
Abstract
INTRODUCTION Over the last few years, lung cancer screening by low-dose CT scan has demonstrated a decrease in lung cancer mortality. While this method has been in use since 2013 in the United States of America, no European country has yet implemented a systematic screening program. We hereby report the results from the second round of screening from a French cohort study. PATIENTS AND METHODS DEP KP80 is a prospective study evaluating lung cancer screening by means of three low-dose computer tomography (CT) scans at 1-year intervals in 1,307 participants, aged 55 to 74 years old, all smokers or former smokers, having quit within the last 15 years, with over 30 pack years. The results of the first round demonstrated it was possible to conduct effective screening in real-life situations. RESULTS Participation was lower in this second round than in the first (35.3% vs. 73.1%, P < .001). The rate of negative results was significantly higher and that of undetermined results lower than those produced in the first round. Overall, 75% of cancers revealed were Stage 1 and 87.5% benefitted from surgical treatment. The incidence of cancer in the second round was 2.43%. CONCLUSION As with the first round, the results of this second round confirm the feasibility and efficacy of lung cancer screening. The lower participation rate for this second round is proof of the need to improve awareness among participants and healthcare professionals of the relevance of committing to an annual screening program.
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Affiliation(s)
- Olivier Leleu
- Department of Pulmonology, Centre Hospitalier d'Abbeville, Abbeville, France.
| | | | | | - Caroline Clarot
- Department of Pulmonology, Centre Hospitalier d'Abbeville, Abbeville, France
| | - Estelle Hoguet
- Department of Pulmonology, Centre Hospitalier d'Abbeville, Abbeville, France
| | - Mickael Baud
- Department of Pulmonology, Centre Hospitalier d'Abbeville, Abbeville, France
| | - Sabrina Lenel
- Department of Pulmonology, Centre Hospitalier d'Abbeville, Abbeville, France
| | - Bernard Milleron
- Intergroupe francophone de cancérologie thoracique (IFCT), Paris, France
| | - Pascal Berna
- Department of Thoracic surgery, CHU Amiens, Amiens, France
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Cabon J, Almeras F, Baud M, Pallandre L, Morin T, Louboutin L. Susceptibility of pike Esox lucius to VHSV and IHNV and potential transmission to rainbow trout Oncorhynchus mykiss. Dis Aquat Organ 2020; 139:175-187. [PMID: 32495744 DOI: 10.3354/dao03474] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Determining the origin of recurrent outbreaks of fish diseases occurring on fish farms is essential for disease prevention and control measures. In this study, we investigated the potential reservoir role of wild fish species living near salmonid farms which were regularly found to be positive for viral hemorrhagic septicemia virus (VHSV). In addition to VHSV, infectious hematopoietic necrosis virus (IHNV) was also isolated from several pike Esox lucius samples collected from a pond near the salmonid farms of interest. All isolates of VHSV and IHNV analyzed had 100% identical partial glycoprotein gene sequences. VHSV pike strain OO128-25 belonged to the Ia genotype and shared 99.1 to 99.5% nucleotide identity with strains recently isolated from the farms. IHNV pike strain OO121-8, European genotype, appeared to be different from strains from France characterized since the first isolation in 1987. Isolates representative of both viral species were highly virulent in rainbow trout Oncorhynchus mykiss. OO128-25 induced 65% mortality in pike fingerlings, whereas only weak mortality was observed with OO121-8, despite characteristic symptoms in infected fish. High levels of specific antibodies to VHSV and IHNV were detected in adult pike in the absence of clinical signs. Infection of rainbow trout in contact with experimentally VHSV- or IHNV-infected pike fingerlings indicates possible horizontal transmission. These results suggest that pike could act as a reservoir for VHSV and IHNV in the wild, providing additional evidence to explain viral persistence and resurgence in certain areas.
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Affiliation(s)
- J Cabon
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Viral Fish Diseases Unit, National Reference Laboratory for Regulated Fish Diseases, 29280 Plouzané, France
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Millet F, Wislez M, Fallet V, Baud M, Canellas A, Ruppert A, Guegan S, Moal D, Cadranel J, Lavole A. Rôle de l’infirmière de coordination dans la prise en charge rapide du cancer du poumon. Rev Mal Respir 2019. [DOI: 10.1016/j.rmr.2018.10.250] [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: 11/15/2022]
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Febvre M, Souidi A, Fallet V, Sanchis Borja M, Izadifar A, Baud M, Pham S, Didier M, Cadranel J. [Mediastinitis after endobronchial ultrasound-guided transbronchial needle aspiration: Should we modify our practices?]. Rev Mal Respir 2018; 35:1063-1064. [PMID: 30554592 DOI: 10.1016/j.rmr.2018.06.002] [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] [Received: 05/25/2018] [Accepted: 05/30/2018] [Indexed: 11/26/2022]
Affiliation(s)
- M Febvre
- Service de pneumologie, hôpital Tenon, AP-HP, 75020 Paris, France.
| | - A Souidi
- Service de pneumologie, hôpital Tenon, AP-HP, 75020 Paris, France
| | - V Fallet
- Service de pneumologie, hôpital Tenon, AP-HP, 75020 Paris, France
| | - M Sanchis Borja
- Service de pneumologie, hôpital Tenon, AP-HP, 75020 Paris, France
| | - A Izadifar
- Service de pneumologie, hôpital Tenon, AP-HP, 75020 Paris, France
| | - M Baud
- Service de pneumologie, hôpital Tenon, AP-HP, 75020 Paris, France
| | - S Pham
- Service de pneumologie, centre hospitalier René Dubos, 95000 Pontoise, France
| | - M Didier
- Service de pneumologie, hôpital Avicenne, AP-HP, 93300 Aubervilliers, France
| | - J Cadranel
- Service de pneumologie, hôpital Tenon, AP-HP, 75020 Paris, France
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Leleu O, Hoguet E, Clarot C, Baud M, Barras E, Petigny V, Benoit N, Auquier M, Chauffert B, Berna P, Jounieaux V. Preliminary results of a french pilot trial of lung cancer screening by low dose CT scan in the department of the Somme (DKP80). Lung Cancer 2018. [DOI: 10.1183/13993003.congress-2018.pa1764] [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: 11/05/2022]
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Baud M, Poulet C, Andrejak C, Jounieaux V. Prise en charge de l’anémie en oncologie thoracique au CHU Amiens-Picardie. Évaluation des pratiques professionnelles entre 2014 et 2016. Rev Mal Respir 2018. [DOI: 10.1016/j.rmr.2017.10.232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Canellas A, Crequit P, Duruisseaux M, Fillon J, Rozensztajn N, Vieira T, Ruppert A, Baud M, Poulot V, Mathiot N, Antoine M, Fallet V, Lavole A, Wislez M, Cadranel J. Efficacité et tolérance de l’adjonction de bévacizumab à une chimiothérapie par carboplatine-paclitaxel chez des patients présentant un adénocarcinome pulmonaire lépidique de stade avancé : une étude de cohorte observationnelle rétrospective. Rev Mal Respir 2017. [DOI: 10.1016/j.rmr.2016.10.118] [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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Caruana G, Candotti M, Cesca M, Thuries V, Crampe S, Demay L, Giacomin S, Boutges A, Germain S, Pistre C, Lagriffoul L, Baud M, Campse T, Darre K, Jalabert L, Perez G, Gaston A, Estival A, Gordien K, Silvagni C. Anatomie pathologique : le groupe des techniciens de Midi-Pyrénées. Ann Pathol 2016. [DOI: 10.1016/j.annpat.2016.06.012] [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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Boitard PM, Baud M, Labrut S, de Boisséson C, Jamin M, Bigarré L. First detection of Cyprinid Herpesvirus 2 (CyHV-2) in goldfish (Carassius auratus) in France. J Fish Dis 2016; 39:673-680. [PMID: 26173014 DOI: 10.1111/jfd.12400] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Revised: 05/20/2015] [Accepted: 05/22/2015] [Indexed: 06/04/2023]
Abstract
Massive mortalities of Carassius auratus (L.) occurred in a farm in France during summer 2014. Fish presented anorexia, loss of scales and large amounts of mucus on the gills. Necrosis of the distal tip of the filament and the lamellae, combined with fusion of the lamellae, was observed, as well as necrosis in the hematopoietic organs and in the digestive tract. The histological examination led to hypothesize the implication of a virus in the mortality. The presence of cyprinid herpesvirus 2 (CyHV-2) in dead fish was demonstrated by amplification and sequencing of portions of the DNA polymerase and helicase genes, both sequences exhibiting 100% identity with CyHV-2 from Japan. In an attempt to find genetic markers of variation, two regions containing tandem repeats in the Japanese genome were amplified from a virus-positive sample from the present outbreak. A first region (mB) was fully identical to the Japanese isolate. However, the second region (mA) exhibited a range of deletions and substitutions compared to CyHV-2 from Japan. This is the first report of CyHV-2 in France in association with mortality of goldfish and the first identification of a molecular marker for its tracing.
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Affiliation(s)
- P-M Boitard
- Fili@vet - aquacole veterinarians, Saint-Martin-des-Champs, France
| | - M Baud
- Fish Viruses Pathology Unit, ANSES, Technopôle Brest-Iroise, Plouzané, France
| | - S Labrut
- Oniris, AMaROC, LUNAM University, Nantes, France
| | - C de Boisséson
- Viral Genetics and Biosecurity Unit, ANSES, Ploufragan, France
| | - M Jamin
- Fili@vet - aquacole veterinarians, Saint-Martin-des-Champs, France
| | - L Bigarré
- Fish Viruses Pathology Unit, ANSES, Technopôle Brest-Iroise, Plouzané, France
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Baud M, Cabon J, Salomoni A, Toffan A, Panzarin V, Bigarré L. First generic one step real-time Taqman RT-PCR targeting the RNA1 of betanodaviruses. J Virol Methods 2016; 211:1-7. [PMID: 25311184 DOI: 10.1016/j.jviromet.2014.09.016] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Revised: 09/12/2014] [Accepted: 09/16/2014] [Indexed: 10/24/2022]
Abstract
The detection of betanodavirus genomic components is a major issue for diagnostics and control of viral nervous necrosis (VNN), a devastating disease affecting fish worldwide. Despite a number of published molecular-based tests, most of them targeting the RNA2 molecule of the virus, diagnostics is still a challenge due to the high genetic diversity within this genus. In the present study, a new one-step real-time RT-PCR (rRT-PCR), targeting RNA1 of most genotypes of betanodaviruses, was proposed and validated. The test detected successfully various isolates of betanodavirus representatives of the four species RGNNV, SJNNV, TPNNV and BFNNV, either produced on cell culture or from clinical samples. It was specific as shown by the absence of signal on samples from healthy sea bass or from field samples of six other fish species without clinical signs of VNN. The assay detected reliably 50-100 copies of plasmids containing the targeted cloned RNA1 region, as well as an infectious dose of virus of 10(2.5)-10(2.85) TCID50/ml. A set of samples was tested by two different laboratories, with similar results, demonstrating the robustness of the test. This is the first one step generic rRT-PCR method for betanodaviruses. It is simple to perform and may be used for first intention diagnostics as well as for confirmation in case of doubtful results obtained with other published tests targeting RNA2.
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auzou L, Auzou L, Rozensztajn N, Issoufaly T, Vieira T, Assouad J, Baud M, Epaud C, Rosencher L, Antoine M, Coté J, Wislez M, Cadranel J, Lavolé A. L’aspect organisationnel intra-hospitalier est un facteur indépendant d’allongement du délai de prise en charge du cancer bronchopulmonaire (CBP). Rev Mal Respir 2016. [DOI: 10.1016/j.rmr.2015.10.676] [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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Mikkelsen SS, Panzarin V, Jonstrup SP, Bigarré L, Baud M, Gray T, Agapow PM, Olesen NJ. Fishpathogens.eu/noda: a free and handy online platform for Betanodavirus targeted research and data sharing. J Fish Dis 2015; 38:755-760. [PMID: 25865625 DOI: 10.1111/jfd.12378] [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] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 02/17/2015] [Accepted: 02/28/2015] [Indexed: 06/04/2023]
Abstract
Viral nervous necrosis (VNN) is a severe neuropathological disease affecting a broad variety of finfish species worldwide. The causative agents of VNN are small viruses with a bi-segmented RNA genome known as betanodaviruses. At least four species with distinct but yet insufficiently characterized epidemiological features are recognized. The spread of VNN to an increasing number of host species, its wide geographic extent and its economical and ecological impacts justify the importance of collating as much molecular data as possible for tracing the origin of viral isolates and highlight the need for a freely accessible tool for epidemiological and molecular data sharing and consultation. For this purpose, we established a web-based specific database using the www.fishpathogens.eu platform, with the aim of collecting molecular and epidemiological information on VNN viruses, with relevance to their control, management and research studies.
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Affiliation(s)
- S S Mikkelsen
- Section for Fish Diseases, European Union Reference Laboratory for Fish Diseases, National Veterinary Institute, Technical University of Denmark, Frederiksberg C, Denmark
| | - V Panzarin
- Division of Comparative Biomedical Sciences, Research & Innovation Department, OIE Reference Laboratory for Viral Encephalopathy and Retinopathy, Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy
| | - S P Jonstrup
- Section for Fish Diseases, European Union Reference Laboratory for Fish Diseases, National Veterinary Institute, Technical University of Denmark, Frederiksberg C, Denmark
| | - L Bigarré
- Fish Viral Pathologies Unit, Laboratoire de Ploufragan/Plouzané, ANSES, Plouzané, France
| | - M Baud
- Fish Viral Pathologies Unit, Laboratoire de Ploufragan/Plouzané, ANSES, Plouzané, France
| | - T Gray
- Symantix Ltd, Wiltshire, UK
| | - P-M Agapow
- Department of Genomics of Common Disease, Imperial College London, Hammersmith Hospital, London, UK
| | - N J Olesen
- Section for Fish Diseases, European Union Reference Laboratory for Fish Diseases, National Veterinary Institute, Technical University of Denmark, Frederiksberg C, Denmark
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Gauvain C, Crequit P, Rousseau-Bussac G, Ganoun A, Baud M, Chouaid C. [Adjuvant chemotherapy of non-small cell lung cancer: Tolerance of combined cisplatin-pemetrexed therapy]. Rev Mal Respir 2014; 31:817-21. [PMID: 25433586 DOI: 10.1016/j.rmr.2013.10.646] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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: 08/04/2013] [Accepted: 10/22/2013] [Indexed: 11/25/2022]
Abstract
RATIONALE Adjuvant chemotherapy is standard for non-small cell lung cancer (NSCLC) after surgical resection. In this context, the tolerance of the treatment is an essential criterion in the choice of chemotherapy. This exploratory study evaluated, in the situation of adjuvant chemotherapy, the tolerance of combined cisplatin-pemetrexed. The study analyzed a cohort of non-squamous NSCLC patients treated in an adjuvant setting by combined cisplatin (75 mg/m(2)) and pemetrexed (500 mg/m(2)), under vitamin B12 and folic acid cover, 4 cycles at 21-day intervals. RESULTS The analysis included 23 patients (age: 58.7 ± 5 years, men: 56%, average creatinin clearance (Clea): 94 ± 22 mL/min, average haemoglobin: 13.8 ± 1.6g/dL). Over 92 planned courses, 7.6% are postponed (neutropenia), 4.3% were not given (asthenia). We noted 7 episodes of vomiting (4 grade 3), with two hospitalizations in the same patient; 5 episodes of anaemia grade 1-2 not requiring EPO prescription or transfusion and no febrile neutropenia. At the end of the treatment, three patients had a Clea<50 mL/mn and 5 a haemoglobin between 9 and 11 g/dL. CONCLUSION Combined cisplatin-pemetrexed in an adjuvant situation has a satisfactory tolerance.
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Affiliation(s)
- C Gauvain
- Service de pneumologie, hôpital Saint-Antoine, AP-HP, 75012 Paris, France
| | - P Crequit
- Service de pneumologie, hôpital Saint-Antoine, AP-HP, 75012 Paris, France
| | - G Rousseau-Bussac
- Service de pneumologie, hôpital Saint-Antoine, AP-HP, 75012 Paris, France
| | - A Ganoun
- Service de pneumologie, hôpital Saint-Antoine, AP-HP, 75012 Paris, France
| | - M Baud
- Service de pneumologie, hôpital Saint-Antoine, AP-HP, 75012 Paris, France
| | - C Chouaid
- Service de pneumologie, hôpital Saint-Antoine, AP-HP, 75012 Paris, France; Service de pneumologie, centre hospitalier intercommunal de Créteil, 40, avenue de Verdun, 94010 Créteil, France.
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Borzym E, Matras M, Maj-Paluch J, Baud M, De Boisséson C, Talbi C, Olesen NJ, Bigarré L. First isolation of hirame rhabdovirus from freshwater fish in Europe. J Fish Dis 2014; 37:423-430. [PMID: 23962315 DOI: 10.1111/jfd.12119] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2013] [Revised: 03/27/2013] [Accepted: 03/27/2013] [Indexed: 06/02/2023]
Abstract
A rhabdovirus was isolated in cell culture inoculated with tissue material from diseased grayling, Thymallus thymallus (L.), originating from a fish farm affected by a mortality episode in Poland. Diagnostics tests showed that the virus was not related to novirhabdoviruses known in Europe, nor to vesiculovirus-like species, except perch rhabdovirus (PRhV) with which it shared moderate serological relations. However, RT-PCR with PRhV probes gave negative results. To identify the virus, a random-priming sequence-independent single primer amplification was adopted. Surprisingly, two of the obtained sequences exhibited a high identity (>99%) with hirame rhabdovirus (HIRRV), a novirhabdovirus usually found in fish in marine Asiatic countries, for instance Japan, China and Korea. The full-length sequence of the phosphoprotein gene (P) demonstrated a higher identity of the present isolate with HIRRV from China compared with the Korean isolate. An identical viral sequence was also found in brown trout, Salmo trutta trutta L., affected by mortalities in a second farm in the same region, after a likely contamination from the grayling farm. To our knowledge, this is the first report of HIRRV in Europe, and in two hosts from fresh water that have not been described before as susceptible species.
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Affiliation(s)
- E Borzym
- Department of Fish Diseases, National Veterinary Research Institute, Pulawy, Poland
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Jacus JP, Dupont MP, Herades Y, Pelix C, Large H, Baud M. [Awareness disorders in Alzheimer's disease and in mild cognitive impairment]. Encephale 2014; 40:180-7. [PMID: 24630532 DOI: 10.1016/j.encep.2013.10.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2013] [Accepted: 10/07/2013] [Indexed: 11/20/2022]
Abstract
INTRODUCTION Awareness disorders in Alzheimer's disease still remains unclear despite much research regarding this phenomenon. Papers report various and contrasted results with varying frequency from one study to another. Hence, the interest in awareness in Alzheimer's disease remains limited. Nevertheless, this symptom is closely associated with caregivers' burden and increases the patient's dependency, since the patient is unable to avoid dangers, requiring some care services or institutionalization The purpose of this current review is to recall the main neuro-anatomical and theoretical basis of awareness disorders, and to highlight the recent findings in Alzheimer's disease and in its pre-clinical stages. METHOD With this in mind, we have conducted a non-exhaustive search using the pubmed online database to collect the most important reviews and the most recent findings regarding awareness disorders in Mild Cognitive Impairment (MCI) and/or in Alzheimer's disease. LITERATURE FINDINGS In Alzheimer's disease, the links between awareness disorders and other variables, such as severity of dementia or depression, change from one study to the other and do not permit one to understand whether unawareness is an intrinsic or extrinsic reaction to the pathological process itself. Recent results suggest executive, cognitive and behavioral correlates more than psychopathological correlates, although the latter cannot be excluded. In Mild Cognitive Impairment, studies show varied results. Some studies report that patients suffering from Mild Cognitive Impairment can be compared to healthy control subjects and both groups have better awareness than patients with Alzheimer's disease. However, other studies show contrary results and awareness disorders might be a predictor of conversion from Mild Cognitive Impairment to dementia, as with apathy, in which the ability to cope with difficulties represents one of the main features. DISCUSSION These controversial results are due to the heterogeneity of Alzheimer patients and in particular of MCI patients, but also to various conceptions of awareness disorders in Alzheimer's disease; none of them, however, taking into account all its diversity and complexity. Thus, neurological approaches underline neuropsychological dysfunctions linked to right frontal and/or hemispheric damage but are based on brain injury or strokes, which are events that differ greatly from a neurodegenerative disease involving progressive cognitive, emotional and social disturbances. Psychiatric approaches have taken into account the various aspects of insight, which before were often forbidden and reduced to a categorical point of view, and so could contribute to a better understanding of awareness disorders in Alzheimer's disease. However, these aspects have been conceptualized for psychiatric patients, suffering from positive symptoms, where compliance in treatment is the central key. Insight in neurological diseases is more focused on negative symptoms and generally concerns a basic perception of impairments in mainly cognitive domains. Moreover, modeling has often opposed neurological and psychological mechanisms, so awareness disorders are out of scope of a primary and secondary symptomatology. Although some authors have proposed to take into account these two mechanisms (unawareness and denial), clinical practice has shown that it was impossible to distinguish them both. Finally, some social cognitive approaches are able to demonstrate that there is no correlation between severity of dementia and awareness disorders. Nevertheless, the Self-concept, underlying this point of view, does not permit distinguishing neuropsychological from psycho-social factors. Moreover, only one evaluation tool based on Self-modeling in Alzheimer's disease exists, and to conceptualize Self in a specific pathology does not permit the comparison of this pathology to others or to healthy control subjects. So, the authors present the multidimensional model proposed by Clare et al., and some perspectives to stimulate future research, and perform potential meta-analyses.
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Affiliation(s)
- J-P Jacus
- Consultation mémoire, centre hospitalier du Val-d'Ariège, 09017 Foix cedex, France.
| | - M-P Dupont
- Unité cognitivo-comportementale, consultation mémoire, centre hospitalier Ariège-Couserans, 09200 Saint-Girons, France
| | - Y Herades
- Consultation mémoire, centre hospitalier du Val-d'Ariège, 09017 Foix cedex, France; Centre hospitalier du Val-d'Ariège, 09017 Foix cedex, France
| | - C Pelix
- Consultation mémoire, centre hospitalier du Val-d'Ariège, 09017 Foix cedex, France
| | - H Large
- Unité mobile de gériatrie, consultation mémoire, centre hospitalier Ariège-Couserans, 09200 Saint-Girons, France
| | - M Baud
- Unité cognitivo-comportementale, centre hospitalier Ariège-Couserans, 09200 Saint-Girons, France
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Kara HM, Chaoui L, Derbal F, Zaidi R, de Boisséson C, Baud M, Bigarré L. Betanodavirus-associated mortalities of adult wild groupers Epinephelus marginatus (Lowe) and Epinephelus costae (Steindachner) in Algeria. J Fish Dis 2014; 37:273-278. [PMID: 24397531 DOI: 10.1111/jfd.12020] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2012] [Revised: 09/17/2012] [Accepted: 09/19/2012] [Indexed: 06/03/2023]
Affiliation(s)
- H M Kara
- Laboratory of Marine Bioresources, University Badji Mokhtar-Annaba, Algeria
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Gauwin C, Crequit P, Rousseau-Bussac G, Ganoun A, Baud M, Chouaid C. Traitement adjuvant des cancers bronchiques non à petites cellules : tolérance de l’association platine–pemetrexed. Rev Mal Respir 2013. [DOI: 10.1016/j.rmr.2012.10.277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Dumoulin J, Phin-Huynh S, Lino A, Febvre M, Baud M, Chouaid C. Impact du TEP scanner sur la prise en charge des patients atteints ou suspects de cancers bronchopulmonaires. Rev Mal Respir 2012. [DOI: 10.1016/j.rmr.2011.10.699] [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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Affiliation(s)
- L Bigarré
- Unité de Pathologie Virale des Poissons, ANSES, Technopôle Brest-Iroise, Plouzané, France.
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Bigarré L, Cabon J, Baud M, Heimann M, Body A, Lieffrig F, Castric J. Outbreak of betanodavirus infection in tilapia, Oreochromis niloticus (L.), in fresh water. J Fish Dis 2009; 32:667-673. [PMID: 19500206 DOI: 10.1111/j.1365-2761.2009.01037.x] [Citation(s) in RCA: 33] [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: 05/27/2023]
Abstract
A betanodavirus associated with a massive mortality was isolated from larvae of tilapia, Oreochromis niloticus, maintained in fresh water at 30 degrees C. Histopathology revealed vacuolation of the nervous system, suggesting an infection by a betanodavirus. The virus was identified by indirect fluorescent antibody test in the SSN1 cell line and further characterized by sequencing of a PCR product. Sequencing of the T4 region of the coat protein gene indicated a phylogenetic clustering of this isolate within the red-spotted grouper nervous necrosis virus type. However, the tilapia isolate formed a unique branch distinct from other betanodavirus isolates. The disease was experimentally reproduced by bath infection of young tilapia at 30 degrees C. The reservoir of virus at the origin of the outbreak remains unidentified. To our knowledge, this is the first report of natural nodavirus infection in tilapia reared in fresh water.
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Affiliation(s)
- L Bigarré
- Unité de Pathologie Virale des Poissons, AFSSA, Technopôle Brest-Iroise, Plouzané, France.
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Tan Sean P, Chouaid C, Hettler D, Baud M, Hejblum G, Tilleul P. Economic implications of using pegfilgrastim rather than conventional G-CSF to prevent neutropenia during small-cell lung cancer chemotherapy. Curr Med Res Opin 2009; 25:1455-60. [PMID: 19419340 DOI: 10.1185/03007990902918156] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [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] [Indexed: 11/23/2022]
Abstract
BACKGROUND For the prevention of chemotherapy-induced febrile aplasia, a single injection of pegfilgrastim per cycle has the same efficacy as six to ten injections of conventional granulocyte colony-stimulating factor (G-CSF). However, there are few data on the economic impact of pegfilgrastim use, especially in the context of small-cell lung cancer. METHODS This retrospective study involved 31 patients and 129 treatment cycles (32 with pegfilgrastim and 97 with granulocyte colony-stimulating factor (G-CSF)). We estimated the direct costs for preventing and managing febrile aplasia from the payer's perspective and also conducted a willingness-to-pay study with 100 healthy subjects, in order to estimate how highly a single-jab strategy was valued relative to multiple injections. RESULTS The costs per cycle were respectively 1743 euros+/- 837 euros and 1466 euros +/- 836 euros for the pegfilgrastim and G-CSF strategies (p < 0.001). The excess cost of the pegfilgrastim strategy was partly compensated for by the perceived value of the single-jab strategy: 88% of interviewees would prefer the pegfilgrastim strategy; 16% would be willing to pay all the excess cost (277 euros) and 67% would be willing to pay half the excess cost. CONCLUSION In this willingness-to-pay survey, the excess cost associated with pegfilgrastim relative to other G-CSF-based prophylactic strategies is partly offset by the perceived convenience of a single injection.
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Affiliation(s)
- P Tan Sean
- AP-HP, Hôpital Saint-Antoine, Service de Pharmacie, Paris, France
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Bigarré L, Baud M, Cabon J, Antychowicz J, Bergmann SM, Engelsma M, Pozet F, Reichert M, Castric J. Differentiation between Cyprinid herpesvirus type-3 lineages using duplex PCR. J Virol Methods 2009; 158:51-7. [PMID: 19428569 DOI: 10.1016/j.jviromet.2009.01.023] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2008] [Revised: 01/15/2009] [Accepted: 01/20/2009] [Indexed: 10/21/2022]
Abstract
To date, all the isolates of Cyprinid herpesvirus type-3 (CyHV3) responsible for serious outbreaks in carps Cyprinus carpio have been found to be very similar or identical on the basis of DNA sequences of a few reference genes. However, two genetic lineages (U/I and J) are distinguished by full-length genome sequencing. Two molecular markers presenting genetic variations were targeted for developing a duplex PCR assay able to distinguish CyHV3-U/I from CyHV3-J while avoiding DNA sequencing. The method was validated on a series of 42 samples of infected carps from France, The Netherlands and Poland collected from 2001 to 2008. Among these samples, both the U/I and J genotypes were identified, but also a third genotype representing a genetic intermediate between U/I and J for one of the two molecular markers. A classification of CyHV3 genotypes, based on the alleles of the two molecular markers, is proposed. The assay is easy to perform and provides a genotype information with samples moderately or highly concentrated. This tool should improve our knowledge regarding the present distribution and future diversification of this emerging virus.
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Affiliation(s)
- L Bigarré
- Pathologie Virale des Poissons, AFSSA, Technopôle Brest-Iroise, Plouzané, France.
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Bufflier E, Susca A, Baud M, Mulè G, Brengel K, Logrieco A. Detection of Aspergillus carbonarius and other black aspergilli from grapes by DNA OLISA microarray. ACTA ACUST UNITED AC 2008; 24:1138-47. [PMID: 17886186 DOI: 10.1080/02652030701579447] [Citation(s) in RCA: 7] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Black aspergilli, and particularly Aspergillus carbonarius, are responsible for ochratoxin A production in grapes. Correct identification of these species is essential for toxicological risk assessment in grape and wine. A low-complexity oligonucleotide microarray (OLISA, Apibio, F) based on DNA oligonucleotides probes, obtained from sequences of the calmodulin gene, was set up in order to detect A. carbonarius, A. japonicus/A. aculeatus and A. ibericus isolated from grape. The designed microarray distinguished all Aspergillus species and the detection limit for A. carbonarius was 3.2 pg of DNA as a template for the PCR reaction. This microarray offers a quick and parallel analysis to detect individual Aspergillus species in pure cultures and in naturally contaminated grape samples.
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Affiliation(s)
- E Bufflier
- BioMerieux-Molecular Biology Unit, Parc Polytec, 5 rue des Berges, F-38024 Grenoble cedex, France
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Borget I, Tilleul P, Baud M, Granghaud A, Iglesias E, Chouaid C. [A prospective study of quality of life and treatment of chemotherapy-induced anaemia in lung cancer]. Rev Mal Respir 2007; 24:41-7. [PMID: 17268364] [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: 05/13/2023]
Abstract
INTRODUCTION The impact of chemotherapy-induced anemia on the quality of life (QOL) of patients with lung cancer has been little studied. OBJECTIVE We evaluated the feasibility of measuring QOL among patients receiving chemotherapy for lung cancer, and the possible correlation of QOL with the haemoglobin level. METHODS This was a prospective study of 53 patients starting chemotherapy (total 155 cycles); QOL was measured with the specific Fact-An scale. RESULTS The mean haemoglobin level before treatment was 13.1+/-2.3 g/dl. During chemotherapy 45.3% of patients received erythrocytic growth factors and 15.1% were transfused; 26.4% of patients refused to answer or could not answer the QOL questionnaire. There was a strong correlation between the Hb level and overall QOL (r=0.343, p=0.0004), as well as the physical and functional subscales (but not the cognitive and social subscales). CONCLUSIONS Although QOL could not be measured in one-quarter of cases, it was clearly affected by anaemia, which supports a strategy of early diagnosis and management of anaemia due to chemotherapy for lung cancer.
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Affiliation(s)
- I Borget
- Services de pharmacie, Hôpital Saint-Antoine, Paris, France
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Rousseau-Bussac G, Dixmier A, Papanikolaou I, Baud M, Lebeau B, Chouaid C. 191 Évolution des patients transférés en réanimation dans le cadre de la prise en charge d’un cancer bronchopulmonaire. Rev Mal Respir 2007. [DOI: 10.1016/s0761-8425(07)72567-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Thiéry R, Cozien J, Cabon J, Lamour F, Baud M, Schneemann A. Induction of a protective immune response against viral nervous necrosis in the European sea bass Dicentrarchus labrax by using betanodavirus virus-like particles. J Virol 2006; 80:10201-7. [PMID: 17005697 PMCID: PMC1617310 DOI: 10.1128/jvi.01098-06] [Citation(s) in RCA: 78] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2006] [Accepted: 07/26/2006] [Indexed: 11/20/2022] Open
Abstract
Betanodaviruses are causative agents of viral nervous necrosis (VNN), a devastating disease of cultured marine fish worldwide. Virus particles contain a single type of coat protein that spontaneously assembles into virus-like particles (VLPs) when expressed in a baculovirus expression system. In the present study, the immunogenicity of betanodavirus VLPs and the protection they confer against VNN in the European sea bass Dicentrarchus labrax were investigated. Enzyme-linked immunosorbent assay and seroneutralization tests performed on plasma from fish vaccinated intramuscularly with doses as low as 0.1 microg of VLPs indicated that the VLPs elicited the synthesis of specific antibetanodavirus antibodies with neutralizing activity. Moreover, fish vaccinated with VLPs were protected from challenge with live virus. Both the immune response and the protective effect against viral challenge were dose dependent. Reverse transcription-PCR data indicated that higher doses of vaccine also reduced the number of fish containing detectable quantities of betanodavirus RNA on day 30 after challenge. Taken together these data strongly support the hypothesis that VLPs obtained in the baculovirus expression system may represent an effective vaccine against VNN.
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Affiliation(s)
- R Thiéry
- French Food Safety Agency, BP111, F-06902 Sophia Antipolis, France.
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Boscher SK, McLoughlin M, Le Ven A, Cabon J, Baud M, Castric J. Experimental transmission of sleeping disease in one-year-old rainbow trout, Oncorhynchus mykiss (Walbaum), induced by sleeping disease virus. J Fish Dis 2006; 29:263-73. [PMID: 16677316 DOI: 10.1111/j.1365-2761.2006.00716.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Sleeping disease (SD) is a serious disease of rainbow trout, Oncorhynchus mykiss, reared in fresh water caused by sleeping disease virus (SDV). In this study a detailed clinical, histological, virological and serological description of the experimental reproduction of SD in 1-year-old rainbow trout exposed to SDV was carried out. Two hundred disease-free fish were intraperitoneally inoculated with a SDV isolate and 100 fish were inoculated with an uninfected cell culture lysate as a negative control. Infected and control fish were randomly removed at days 4, 7, 14, 21, 42 and 70 post-infection. Blood and tissues were collected for virus isolation, histopathological examination and serum neutralization. SDV was detected in serum, kidney and brain of infected fish from 4 to 21 days post-infection (dpi). Characteristic pathological lesions were observed in infected fish as early as 7 dpi. Lesions were first detected in exocrine pancreas and subsequently observed in heart and skeletal muscle. Neutralizing antibodies to SDV were detected in infected fish from 14 to 70 dpi. Infected fish displayed typical signs of SD 1-month pi and the mortality reached 18.7% within 44 days. This study experimentally reproduced all the pathognomonic features of natural outbreaks of SD in 1-year-old rainbow trout.
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Affiliation(s)
- S Kerbart Boscher
- AFSSA Site de Brest, Laboratoire d'études et de recherches en pathologie des poissons - Technopôle Brest Iroise, France.
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Granghaud A, Tilleul P, Baud M, Borget I, Joly A, Chouaid C. Utilisation de la darbepoetinδ dans l’anémie chimio-induite par le traitement du cancer broncho-pulmonaire : étude prospective de qualité de vie. Rev Mal Respir 2006. [DOI: 10.1016/s0761-8425(06)72261-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Tan-Sean P, Tilleul P, Hettler D, Joly A, Baud M, Chouaid C. Chimiothérapies des cancers pulmonaires à petites cellules : analyse médico-économique de la prévention des neutropénies fébriles. Rev Mal Respir 2006. [DOI: 10.1016/s0761-8425(06)72260-4] [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: 11/29/2022]
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Austruy-Chalendard G, Joly A, Tilleul P, Baud M, Camps S, Chouaid C. 18 Analyse médico-économique appliquée à la polychimiothérapie de première ligne des cancers broncho pulmonaires non à petites cellules (CBNPC). Rev Mal Respir 2004. [DOI: 10.1016/s0761-8425(04)71644-7] [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: 10/22/2022]
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Pusset D, Boulahdour H, Fromm M, Poncy JL, Kantelip B, Griffond B, Baud M, Galle P. Ultrastructural apoptotic lesions induced in bone marrow after neptunium-237 contamination. Anticancer Res 2003; 23:4837-42. [PMID: 14981933] [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: 04/29/2023]
Abstract
This study describes the ultrastructure of lesions induced by neptunium-237 (237Np), a by-product of uranium in nuclear reactors, in the bone marrow. A group of rats were given a single injection of 237Np-nitrate solution in order to observe the acute toxicity effects of this actinide. Electron microscopy was used to describe the different lesions. Observations included the swelling of the cell membrane, nuclear membrane lyses, abnormal chromatin condensation or nucleus convolution. These ultrastructural alterations of the nucleus and the cellular membrane appeared shortly after treatment. This study demonstrates the toxic effects of neptunium and its implication in the induction of apoptosis in bone marrow.
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Affiliation(s)
- D Pusset
- Laboratoire de Microanalyses Nucléaires, UFR Sciences et Techniques, Université de Franche-Comté, 16, route de Gray, 25030 Besançon, France.
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Pusset D, Fromm M, Poncy JL, Kantelip B, Galle P, Chambaudet A, Baud M, Boulahdour H. Ultrastructural lesions induced by neptunium-237: apoptosis or necrosis? Can J Physiol Pharmacol 2002; 80:654-61. [PMID: 12182324 DOI: 10.1139/y02-088] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [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: 11/22/2022]
Abstract
In this study, we are concerned with the 237 isotope of neptunium (237Np), which is a by-product of uranium in nuclear reactors. To study ultrastructural lesions induced by this element, a group of rats were injected with a solution of 237Np-nitrate once a day for 14 weeks. Lesions observed in liver and kidney are described using electron microscopy. Ultrastructural alterations of cellular membranes and intracellular organelles demonstrated the existence of neptunium toxicity. This toxicity was characterized by various lesions, such as cytoplasmic clarification, disappearance of mitochondrial cristae, swollen mitochondria, abnormal condensation of nuclear chromatin, and nuclear fragmentations. This study demonstrated the probable induction of apoptosis by neptunium both in liver and kidneys.
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Affiliation(s)
- D Pusset
- Laboratoire de Microanalyses Nucléaires, UFR Sciences et Techniques, Université de Franche-Comté, Besançon, France.
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40
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Lebeau B, Urban T, Baud M, Collon T, Le Guen Y, Febvre M, Touboul E. [Chemoradiotherapy-chemotherapy for grade III inoperable non-small-cell lung cancer]. Rev Mal Respir 2001; 18:405-9. [PMID: 11547248] [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: 02/21/2023]
Abstract
PURPOSE The purpose of this work was to assess results obtained with the MIP (mitomycin 6 mg/m(2) day 1, ifosfamide 1500 mg/m(2) days 1,2, 3, cisplatin 30 mg/m(2) days 1,2, 3) chemotherapy protocol combined with cisplatin-sensitized chest radiotherapy as developed in the French multicentric trial on perioperative chemotherapy. PATIENTS AND METHODS Thirty-five patients with grade III non-small-cell lung cancer (NSCLC) were given two or three starter MIP cycles every 4 weeks then underwent radiation therapy for six weeks for a total dose of 60 Gy with injection of 8 mg/m(2) cisplatin every day for the first two weeks and the last two weeks of treatment. In case of objective response (OR) to MIP before radiotherapy, the MIP protocol was repeated for one to four supplementary cycles according to tolerance. RESULTS The rate of OR after MIP was 51% and after chemoradiotherapy it was 69%. Toxic effects were limited to one death due to aplasia and 18 cases of grade 3-4 toxicity, mainly due to hematology disorders. Moderate esophagitis was observed in ten cases. Median survival was 13.5 months. Survival rates were 57% and 29% at one and two years. DISCUSSION This novel scheme, which can be improved, has demonstrated its efficacy. Tolerance is satisfactory and the cost is low compared with associations using "new" drugs.
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Affiliation(s)
- B Lebeau
- Service de Pneumologie, Hôpital Saint Antoine, Assistance Publique-Hôpitaux de Paris, Université Paris VI, 75012 Paris, France
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41
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Morand P, Dutertre N, Minazzi H, Burnichon J, Pernollet M, Baud M, Zarski JP, Seigneurin JM. Lack of seroconversion in a health care worker after polymerase chain reaction-documented acute hepatitis C resulting from a needlestick injury. Clin Infect Dis 2001; 33:727-9. [PMID: 11477531 DOI: 10.1086/322619] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2000] [Revised: 01/12/2001] [Indexed: 11/03/2022] Open
Abstract
We present a case of documented acute hepatitis C that occurred in a health care worker who sustained a needlestick injury while caring for an individual who was infected with both hepatitis C virus (HCV) and human immunodeficiency virus (HIV). According to the findings of third-generation serological assays performed during a follow-up of >1 year, the health care worker, who was treated with interferon-alpha (during weeks 2-6) and ribavirin (during weeks 5-9), did not develop antibodies against HCV, in spite of documentation of an HCV-specific T cell response.
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Affiliation(s)
- P Morand
- Laboratoire de Virologie Structurale et Moléculaire, Faculté de Médecine, Centre Hospitalier Universitaire, Grenoble, France.
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Thelu MA, Baud M, Leroy V, Seigneurin JM, Zarski JP. Dynamics of viral quasispecies during interferon therapy in non responder chronic hepatitis C patients. J Clin Virol 2001; 22:125-31. [PMID: 11418360 DOI: 10.1016/s1386-6532(01)00174-3] [Citation(s) in RCA: 6] [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: 01/25/2023]
Abstract
BACKGROUND the reference method to study the HCV complexity was cloning and sequence analysis of a sufficient number of clones. The evolution of the viral complexity in chronic non responder patients during treatment with standard doses of interferon was not very well investigate because this method was expensive and labour intensive when large series of patients were concerned. Meanwhile, with the alternative Single-Strand Conformation Polymorphism (SSCP) method, a rough estimation of the quasispecies present in a given sample could be obtained. OBJECTIVES the aim of the study was to analyse the evolution of HCV heterogeneity, investigated by SSCP analysis targeted to the HVR-1, in 30 nonresponders chronic hepatitis C patients treated by Interferon-alpha 3MUI. RESULTS genotype 1 was the main HCV type found in this population (77% of non responder patients). Before treatment, the SSCP assay revealed a high complexity pattern: the median of SSCP band number was 9. During IFN-alpha treatment, SSCP band number didn't change. However a significant decrease of the viral load was observed (P<0.01). Patients with variations in their SSCP patterns after therapy significantly decreased HCV RNA levels (P<0.002). In one third of patients the SSCP profile didn't change at all. CONCLUSIONS we observed that viral heterogeneity didn't change in non responder chronic hepatitis C patients during IFN-alpha treatment. Nevertheless patients with a low number of pre-treatment quasispecies exhibited an improvement of the response (P<0.02). These phenomena were probably due to a selection of resistant variants present prior onset of therapy.
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Affiliation(s)
- M A Thelu
- Département d'Hépato-Gastroentérologie, Hôpital Albert Michallon, 38043, Grenoble, France.
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Leroy V, De Traversay C, Barnoud R, Hartmann JD, Baud M, Ouzan D, Zarski JP. Changes in histological lesions and serum fibrogenesis markers in chronic hepatitis C patients non-responders to interferon alpha. J Hepatol 2001; 35:120-6. [PMID: 11495029 DOI: 10.1016/s0168-8278(01)00091-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [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: 01/01/2023]
Abstract
BACKGROUND/AIMS The aim of this study was to evaluate the changes in histological lesions and serum N-terminal peptide of type III procollagen (PIIINP) and hyaluronate (HA) levels in virologic non-responder patients treated by Interferon alpha (IFNalpha). METHODS We enrolled 183 patients treated by IFNalpha and 56 controls, all with paired biopsy specimens. Yearly liver fibrosis progression was estimated before and during a follow-up of 1 year. RESULTS By contrast to sustained responders, non-responders (n = 105) did not achieve improvement of histological scores after therapy. Their yearly fibrosis progression rate was similar before and during follow-up (0.18, 95%CI: 0.16-0.20, vs 0.26 (95%CI: 0.12-0.40) fibrosis units/year, NS), and was not different in controls (0.17, 95%CI: 0.06-0.27). The levels of PIIINP and hyaluronate (HA) remained unchanged during follow-up. Histological improvement was observed for the second biopsy in 25% of non-responders, but also in 23% of controls. This improvement was not correlated with decrease of ALT level, viral load, PIIINP, or HA. CONCLUSIONS Our results suggest that IFNalpha therapy is unable to decrease PIIINP or HA levels and cannot improve the histological outcome in virologic non-responder patients. The histological improvement observed in a subset of patients may be linked to sample fluctuation or lack of reproducibility of histological scores.
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Affiliation(s)
- V Leroy
- Department of Gastroenterology and Hepatology, C.H.U. Grenoble, France
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Negro F, Samii K, Rubbia-Brandt L, Quadri R, Male PJ, Zarski JP, Baud M, Giostra E, Beris P, Hadengue A. Hemochromatosis gene mutations in chronic hepatitis C patients with and without liver siderosis. J Med Virol 2000. [PMID: 10568758 DOI: 10.1002/(sici)1096-9071(200001)60:1<21::aid-jmv4>3.0.co;2-f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Chronic hepatitis C is often associated with liver iron overload, which may affect the long-term prognosis and the response to antiviral treatment. The occurrence of hemochromatosis (HFE) mutations were studied to determine whether may contribute to the liver iron overload of chronic hepatitis C patients. The prevalence of two HFE mutations (C282Y and H63D) in 120 chronic hepatitis C patients was determined and the findings were correlated with clinical, histological and virological features. Hepatic iron was determined semiquantitatively by a histochemical hepatic iron index, defined as the ratio of a histochemical staining score to the patient's age, after correction for heterogeneous lobular iron distribution. Serum hepatitis C virus (HCV) RNA was measured by bDNA assay and typed by restriction fragment length polymorphism. Liver HCV RNA was measured by a semi-quantitative strand-specific reverse transcription-polymerase chain reaction (RT-PCR). Excess liver iron was stained in the liver of 36 patients (30%). Siderotic patients had the same geographic origin, serum and liver HCV RNA levels and H63D and C282Y mutations frequency as non-siderotic patients. However, siderotic patients were older (P = 0.015), more frequently males (P = 0.02), less frequently infected with HCV genotype 3 (P = 0.037) and had a higher liver fibrosis score (P = 0.008). The liver iron content did not correlate with the serum or liver HCV RNA titers. Ten of the 36 patients with liver siderosis had neither a history of excess alcohol intake, multiple transfusions, or HFE mutations. In conclusion, the pathogenesis of the liver iron overload in chronic hepatitis C patients cannot be fully explained by the occurrence of HFE mutations. The exact mechanism of iron accumulation in these patients therefore remains unexplained.
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Affiliation(s)
- F Negro
- Divisions of Gastroenterology and Hepatology, University Hospital, Geneva.
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Djouhri H, Arrivé L, Monnier-Cholley L, Baud M, Dahan H, Tubiana JM. [What is it? Bronchiolo-alveolar carcinoma with a cavitated multinodular appearance]. J Radiol 1998; 79:889-91. [PMID: 9791772] [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: 04/11/2023]
Affiliation(s)
- H Djouhri
- Service de Radiologie, Hôpital Saint-Antoine, Paris
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Leroy V, Arvieux J, Jacob MC, Maynard-Muet M, Baud M, Zarski JP. Prevalence and significance of anticardiolipin, anti-beta2 glycoprotein I and anti-prothrombin antibodies in chronic hepatitis C. Br J Haematol 1998; 101:468-74. [PMID: 9633888 DOI: 10.1046/j.1365-2141.1998.00722.x] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.5] [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: 12/14/2022]
Abstract
Antiphospholipid antibodies have been demonstrated in chronic hepatitis C, but their clinical and pathogenetic significance remains elusive. We prospectively studied 115 patients (85 men, mean age 36.9 years) with chronic hepatitis C without cirrhosis and treated by alpha-interferon (alpha-IFN). Antiphospholipid determinations comprised anticardiolipin (ACA), anti-beta2-glycoprotein I and anti-prothrombin antibodies of the IgG and IgM classes. At entry, 24 patients (21%) were found to possess low to moderate ACA levels (18 IgG, two IgM and four both isotypes) compared with only 4/115 age- and sex-matched control subjects (3.5% P=0.001). ACA positivity rate increased to 31% (P=0.01) after a 6-month course of alpha-IFN treatment. In contrast, the prevalence of anti-beta2-glycoprotein I and anti-prothrombin antibodies was not significantly different from controls at either time point. The presence of ACA correlated with that of antinuclear antibodies (P=0.0002), but was not associated with parameters such as histological activity, viral burden and response to alpha-IFN, nor with a history of thrombosis or pregnancy loss. However, a non-significant trend of higher incidence of mild thrombocytopenia among ACA-positive patients was observed. We conclude that low-titre ACA positivity is a common finding in patients with chronic hepatitis C, especially following alpha-IFN treatment, but does not select a category with different clinical features. These data are in keeping with the absence of associated anti-beta2GPI and anti-prothrombin antibodies, and do not support a role for HCV infection in the pathogenesis of the antiphospholipid syndrome.
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Affiliation(s)
- V Leroy
- Department of Gastroenterology and Hepatology, CHU Grenoble, France
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Rolachon A, Kézachian G, Causse X, Baud M, Leroy V, Maynard-Muet M, Pasquier D, Zarski JP. [Value of high-dose interferon-alpha in chronic viral hepatitis C patients non-responder to a 1st treatment. Pilot study prospective and randomized trial]. Gastroenterol Clin Biol 1998; 21:924-8. [PMID: 9587555] [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: 02/07/2023]
Abstract
OBJECTIVES The aim of this study was to evaluate the efficacy of two different doses of alpha interferon (IFN) for retreatment in chronic hepatitis C patients who were non responders to initial treatment by IFN at a dose of 3 MIU TIW for 6 months. METHODS This open, pilot, prospective, randomized and bicentric study included patients with biopsy-proven chronic hepatitis C. Non response was defined as serum ALT levels > 2 upper limit of normal for the entire first treatment period, HCV RNA positivity by PCR at the end of the first treatment period, and the persistence of histologically-proven chronic active hepatitis after the first treatment period. Patients were randomized into two groups: group I received IFN alpha 2b 10 MIU TIW for 2 months, then 6 MIU TIW for 4 months, group 2 received IFN alpha 2b 6 MIU TIW for 6 months. RESULTS Twenty three patients (17 male, 6 female, mean age: 38.7 +/- 9.1 years) were included: 14 were randomized in group 1 and 9 in group 2. Both groups were similar for the main clinical, biochemical, and histological variables. At the end of retreatment, 2 patients (14.2%) had biochemical and virological response in group 1 and 4 in group 2 (44.4%) (non significant). Only one biochemical and virological sustained response was observed in group 2 (11.1%) (non significant). There was no difference between the groups for complete and sustained response. An overall statistical significant improvement of Knodell score was observed (7.8 +/- 3.8 vs 9.6 +/- 3.2, P < 0.02) in the 18 patients who had a second biopsy 6 months after the end of therapy, while the Knodell score did not change at the end of the first treatment period. This improvement was statistically significant in group 2 (5.4 +/- 3.0 vs 9.2 +/- 9.5 before treatment, P < 0.02) and concerned intralobular necrosis (P < 0.05). The Metavir index did not change. The number of side-effects was similar in both groups. CONCLUSIONS These results suggest that histological improvement may be obtained after IFN retreatment in some patients who are non-responders to the first treatment, despite an absence of biochemical and/or virological response.
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Affiliation(s)
- A Rolachon
- Département d'Hépato-Gastroentérologie, Hôpital A.-Michallon, Grenoble
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Leroy V, Baud M, de Traversay C, Maynard-Muet M, Lebon P, Zarski JP. Role of anti-interferon antibodies in breakthrough occurrence during alpha 2a and 2b therapy in patients with chronic hepatitis C. J Hepatol 1998; 28:375-81. [PMID: 9551673 DOI: 10.1016/s0168-8278(98)80309-7] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.3] [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: 02/07/2023]
Abstract
BACKGROUND/AIMS Alpha interferon induces aminotransferase normalization in about 50% of patients with chronic viral hepatitis C. However, some patients who initially respond experience a relapse during the treatment period (breakthrough phenomenon). The aim of this study was to evaluate the prevalence of breakthrough and its relationship with the emergence of neutralizing anti-interferon antibodies. METHODS We studied 172 patients with histologically proven chronic hepatitis C, treated with interferon alpha 2a or 2b 3 mega units three times a week for 6 months. For each patient, HCV RNA level (polymerase chain reaction and bDNA) and anti-interferon antibodies dosage were determined during therapy. RESULTS Among 84 patients with initial response, 13 (15.5%) experienced breakthrough. The kinetics of alanine aminotransferase and HCV RNA levels were strongly correlated, suggesting that breakthrough is not due to a random alanine aminotransferase fluctuation during treatment, but to the reappearance of viral replication. Neutralizing anti-interferon antibodies emergence was observed in 38.5% in patients with breakthrough, as compared to 9.0% and 2.8% of non-responder and complete-responder patients, respectively (p<0.0005). By multivariate analysis, the only factor predictive of breakthrough was the emergence of neutralizing anti-interferon antibodies 3 months after the onset of therapy. CONCLUSION Our results suggest that the emergence of neutralizing anti-interferon antibodies during treatment may explain breakthrough in about one third of cases. Other causes may also be responsible for this phenomenon and they remain to be determined.
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Affiliation(s)
- V Leroy
- Département d'Hépato-gastroentérologie, CHU Grenoble, France
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Zarski JP, Maynard-Muet M, Chousterman S, Baud M, Barnoud R, Abergel A, Bacq Y, Combis JM, Causse X, Tran A, Oberti F, Minello A, Bresson-Hadni S, Bailly F, Raabe JJ, Leroy V, Hamici L, Hicham T, Girardin MF. Tenoxicam, a non-steroid anti-inflammatory drug, is unable to increase the response rate in patients with chronic hepatitis C treated by alpha interferon. Hepatology 1998; 27:862-7. [PMID: 9500719 DOI: 10.1002/hep.510270332] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [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: 01/09/2023]
Abstract
The purpose of this study is to compare a combination of interferon (IFN)-alpha2a (Roferon) + Tenoxicam with IFN-alpha2a alone in the treatment of chronic hepatitis C. This prospective, randomized double-blind study included 149 patients, all of whom were diagnosed with active chronic hepatitis C but non-cirrhotic (ALT > or = 1.5 upper limit of normal, anti-hepatitis C virus (HCV) positive by enzyme-linked immunosorbant assay2 and RIBA3). The patients were randomized in two groups, as follows: G1 (n = 76): IFNalpha2a 3 million units times per week during 6 months + placebo; and G2 (n = 73): IFNalpha2a 3 million units three times per week + Tenoxicam (20 mg/day) during 6 months. Alanine aminotransferase (ALT) and HCV RNA were determined before and at months 6 and 12 of treatment. 2'5' oligoadenylate synthetase activity (2'5' AS) was dosed in mononuclear cells before and at 3-month treatment intervals in 28 patients. Liver biopsy was performed before and 6 months after the end of therapy. Parameters were similar before therapy for both groups. Biochemical and virological responses were similar for both groups at month 6 (49.3% vs. 42.9% and 43.3% vs. 38.3%, respectively) and month 12 (28.3% vs. 23.8% and 17.2% vs. 17.5%, respectively). HCV RNA level significantly decreased in both groups at month 6, with no difference whatever the therapy; however, the HCV RNA level returned to initial values at month 12 and was the only significant prognostic factor of a sustained response. No peak of 2'5' AS activity was observed during treatment in patients with dual therapy. A histological improvement was also noted in both groups without difference, regardless of therapy. The percentage of adverse events was identical for both groups. Paracetamol intake, assessed in 80 patients, was 49.1 g per 6 months in the G1 group and 22.5 g per 6 months in the G2 group (not significant). In conclusion, the non-steroid anti-inflammatory drug, Tenoxicam, does not increase IFNalpha efficacy in the treatment of chronic hepatitis C. This combination is well tolerated and partially lowers Paracetamol intake, but not preexisting alpha-IFN adverse events.
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Affiliation(s)
- J P Zarski
- Department of Gastroenterology and Hepatology Grenoble, France
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Abstract
In the mouse, offspring born from mature fathers exhibit better behavioural performances (for spontaneous activity in both sex and learning capacity in males) than those born from post-pubescent fathers. These behavioural variations are not accompanied by other obvious modifications. They could correspond to what has been observed in man relating to the results in a psychometric test undergone by male progeny born from very young to mature fathers. These data and those which show a decrease in mental performance in rats and human males born from mature to senescent fathers suggest the participation of some genetic factors in these phenomena.
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Affiliation(s)
- M Auroux
- Biologie de la Reproduction et du Développement, CHU de Bicêtre, Université Paris XI, Kremlin Bicêtre, France
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