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Lagassy M, Laffouilhere TP, Grosjean J, Leblond L, Dordain S, Mahay G, Couderc L, Dumant-Forest C, Sabourin JC, Martinet J, Thiebaut PA, Coëffier M. Résultats préliminaires de l’étude Immune-Eo : différents profils d’œsophagite à éosinophiles (allergique et non allergique) selon de multiples immunomarquages tissulaires. Revue Française d'Allergologie 2023. [DOI: 10.1016/j.reval.2022.103271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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Melot B, Amsilli M, Drouet F, Rodriguez L, Salomon J, Grosjean J, Duclos C. Appropriateness of Antibiotic Prescription During Teleconsultation. Stud Health Technol Inform 2022; 298:142-146. [PMID: 36073473 DOI: 10.3233/shti220924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Teleconsultation has become a new means of using care which has taken off significantly since the COVID crisis, The pooling of the technological environment within the TC makes it possible to set up practice reviews by reusing the data collected. Our aim was to evaluate the relevance of antibiotic therapy during teleconsultations carried out on the national teleconsultation platform "Qare" in 4 common infections. 143,428 TCs with structured prescriptions were analyzed, with an appropriate prescription in more than 82% of cases, higher than in the literature. The use of data makes it possible to quickly assess practices and inform doctors to improve their practices.
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Affiliation(s)
- B Melot
- Qare, Paris, France
- Université Sorbonne Paris Nord, Laboratoire d'Informatique Médicale et d'Ingénierie des connaissances en e-Santé, LIMICS, Sorbonne Université, INSERM, F-93000, Bobigny, France
| | | | | | | | | | - J Grosjean
- Université Sorbonne Paris Nord, Laboratoire d'Informatique Médicale et d'Ingénierie des connaissances en e-Santé, LIMICS, Sorbonne Université, INSERM, F-93000, Bobigny, France
- Department of Digital Health, Rouen University Hospital, Rouen France
| | - C Duclos
- Université Sorbonne Paris Nord, Laboratoire d'Informatique Médicale et d'Ingénierie des connaissances en e-Santé, LIMICS, Sorbonne Université, INSERM, F-93000, Bobigny, France
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Bouteiller F, Pulido M, Brain E, Paillaud E, Grosjean J, Mina W, Caillet P, Tassy L, Soubeyran P, Rifi N, Falandry C, Carola E. Feasibility of palbociclib in women aged 70 and older with resistant and/or pretreated advanced breast cancer in the PALOMAGE study. Rev Epidemiol Sante Publique 2022. [DOI: 10.1016/j.respe.2022.03.081] [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] Open
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Dezoteux F, El Mesbahi S, Tedbirt B, Grosjean J, Gautier S, Lannoy D, Nassar C, Tétart F, Staumont-Sallé D. Immunomodulatory or/and immunosuppressive drugs should not avoid skin test for the assessment of drug allergy. Br J Dermatol 2021; 186:742-744. [PMID: 34811738 DOI: 10.1111/bjd.20901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 10/25/2021] [Accepted: 11/17/2021] [Indexed: 12/01/2022]
Abstract
The use of immunomodulatory and/or immunosuppressive therapy (IT) is increasingly common in the management of chronic inflammatory disease. Skin reactions to any drug (IT or not) are not rare in these patients, justifying allergological investigations. The influence of IT on allergological tests for drugs is not clearly described. IT cannot be interrupted due to the underlying disease. The data assessing the benefit and the safety of allergological test for drug allergy in patients under IT are missing.
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Affiliation(s)
- F Dezoteux
- CHU Lille, Service de Dermatologie, F-59000, Lille, France.,Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000, Lille, France
| | - S El Mesbahi
- CHU Lille, Service de Dermatologie, F-59000, Lille, France
| | - B Tedbirt
- Clinique de dermatologie, CHU Rouen, Centre Erik Satie allergologie
| | - J Grosjean
- Department of Biomedical Informatics, Rouen University Hospital, Rouen, France.,Laboratoire d'Informatique Médicale et d'Ingénierie des Connaissances en e-Santé, U1142, INSERM, Sorbonne Université, Paris, France
| | - S Gautier
- CHU Lille, Centre régional de Pharmacovigilance, F-59000, Lille, France
| | - D Lannoy
- CHU Lille, Institut de Pharmacie, F-59000, Lille, France.,Univ. Lille, ULR7365 GRITA Groupe de Recherche sur les Formes Injectables et les Technologies Associées, F-59000, Lille, France
| | - C Nassar
- CHU Lille, Centre régional de Pharmacovigilance, F-59000, Lille, France
| | - F Tétart
- Clinique de dermatologie, CHU Rouen, Centre Erik Satie allergologie
| | - D Staumont-Sallé
- CHU Lille, Service de Dermatologie, F-59000, Lille, France.,Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000, Lille, France
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Karkampouna S, La Manna F, Benjak A, Kiener M, De Menna M, Zoni E, Grosjean J, Klima I, Garofoli A, Bolis M, Vallerga A, Theurillat J, De Filippo M, Genitsch V, Keller D, Booij T, Stirnimann C, Eng K, Sboner A, Ng C, Piscuoglio S, Gray P, Rubin M, Thalmann G, Kruithof-De J. Patient-derived xenografts and organoids model therapy response in prostate cancer. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)00805-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Tejedor I, Boulard C, Bauvin O, Grosjean J, Joly P, Tetart F. Évaluation de l’impact du bilan allergologique dans l’hypersensibilité aux produits de contraste iodés. Ann Dermatol Venereol 2020. [DOI: 10.1016/j.annder.2020.09.185] [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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Brain E, Grosjean J, Pulido M, Paillaud E, Carola E, Jovenin N, Guillem O, Chehimi M, Mina W, Caillet P, Tassy L, Falandry C, Rifi N, Vauthier J. Real-world analysis of patients’ clinical and geriatric characteristics aged ≥70 years with advanced breast cancer receiving palbociclib with endocrine therapy in the French cohort PALOMAGE. Eur J Cancer 2020. [DOI: 10.1016/s0959-8049(20)30568-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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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Karkampouna S, La Manna F, De Filippo M, De Menna M, Zoni E, Grosjean J, Klima I, Garofoli A, Genitsch V, Keller D, Booij T, Stirnimann C, Sboner A, Ng C, Piscuoglio S, Spahn M, Mark A, Thalmann G, Kruithof-De Julio M. Personalised organoid drug treatment and therapy resistance characterization based on novel BRCA2 prostate cancer xenograft of SPOP-like phenotype and microsatellite instability. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)33823-4] [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: 11/16/2022] Open
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Salles A, Dufour J, Hassanaly P, Michel P, Cabot C, Grosjean J. Analyse du discours médical sur Twitter®. Étude d’un corpus de tweets émis par des médecins généralistes entre juin 2012 et mars 2017 et contenant le hashtag #DocTocToc. Rev Epidemiol Sante Publique 2019. [DOI: 10.1016/j.respe.2019.03.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Ndangang M, Aussy K, Grosjean J, Tanguy L. Intérêt d’une base d’associations exhaustives d’actes de la classification commune des actes médicaux et de dispositifs médicaux : un projet en cours au CHU de Rouen, France. Rev Epidemiol Sante Publique 2019. [DOI: 10.1016/j.respe.2019.01.111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Guerin C, Maynard C, Philit J, Dumollard C, Grosjean J, Fourcade J. Hémorragie intra-alvéolaire chez des consommateurs de cocaïne, ne pas s’arrêter aux apparences : deux cas cliniques. Rev Med Interne 2018. [DOI: 10.1016/j.revmed.2018.10.228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Grosjean J, Cannie M, de Meyer JM. [Physiological hydronephrosis in pregnancy: Occurrence and possible causes. An MRI study]. Prog Urol 2017; 27:603-608. [PMID: 28869171 DOI: 10.1016/j.purol.2017.07.241] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 04/26/2017] [Accepted: 07/20/2017] [Indexed: 10/18/2022]
Abstract
INTRODUCTION The etiology of the uretero-hydronephrosis in pregnancy is just hypothesis: hormonal or mechanical hypothesis, only investigated by echographic studies. MRI permits to visualize the entirety of the urinary tract, which can be helpful to find out a mechanical cause. METHODOLOGY We have analysed the MRI of 100 asymptomatic pregnant women. We have determined the number and locations of the uretero-hydronephroses and researched whether there is any relationship between the uretero-hydronephrosis and certain abdominal structures. We focused on the psoas muscle and measured its depth, width and calculated its surface by a reproducible method. RESULTS The analysis revealed that the uretero-hydronephrosis was predominantly at the right side (63%) and in the majority of the cases limited to the kidney (42%) and/or the proximal third of the ureter (42%). We were able to rule out some proposed etiologies: a compression of the ureter between the uterus and the iliac or ovarian vessels; a protective effect of the left intestinal structures. A link was observed between the psoas muscle and the physiological uretero-hydronephrosis: the ipsilateral psoas muscle seemed smaller in pregnant women presenting a uretero-hydronephrosis. CONCLUSION We have highlighted a link between a physiological uretero-hydronephrosis during pregnancy and a lesser developped psoas muscle. The hypothesis proposed is that a smaller psoas muscle would have a less protective effect of the ureter due to a lesser development. This study offers a practical conclusion: a left sided uretero-hydronephrosis during pregnancy and/or including the entirety of the ureter is more probably a pathological hydronephrosis. LEVEL OF EVIDENCE 4.
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Affiliation(s)
- J Grosjean
- Service d'urologie, CHU Brugmann, Bruxelles, Belgique.
| | - M Cannie
- Service de radiologie, CHU Brugmann, Bruxelles, Belgique
| | - J-M de Meyer
- Service d'urologie, CHU Brugmann, Bruxelles, Belgique
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Grosjean J, Trapes L, Hantz S, Mengelle C, Virey B, Undreiner F, Messager V, Denis F, Marin B, Alain S. Human cytomegalovirus quantification in toddlers saliva from day care centers and emergency unit: a feasibility study. J Clin Virol 2014; 61:371-7. [PMID: 25183358 DOI: 10.1016/j.jcv.2014.07.020] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2014] [Revised: 07/25/2014] [Accepted: 07/30/2014] [Indexed: 11/24/2022]
Abstract
BACKGROUND Cytomegalovirus (CMV) infection is the most important cause of congenital viral infection in developed countries. In utero transmission occurs at higher rates in seronegative women during primary infection, especially those in contact with young children in day-care centers (DCC). Nevertheless data on variability of CMV excretion among children in French DCCs are lacking, and are important for public health planning. OBJECTIVES Our main objective was to assess the feasibility of a salivary sample in DCCs in order to study CMV excretion among toddlers. Our secondary aims were to assess prevalence of CMV excretion in children attending Hospital Emergency Unit (EU) in comparison with various types of DCCs and to validate the analytical chain for collected specimens. STUDY DESIGN Excretion of CMV in saliva was quantified using a real-time PCR assay in children aged from 3 months to 6 years old in EU and in DCC, with gB, gH and gN genotypes determined in infected children. Salivary sampling was performed using small sponges placed into a DNA conservation medium. Socio cultural and medical information were collected from attending parents. RESULTS A total of 625 children were included, with 256 from six DCCs and 369 from one EU. In DCCs, the acceptability of the procedure was 87.3% (95%CI 78.5-96.2) amongst parents and children, and in the EU, acceptability was higher at 97.6% (95%CI 95.5-98.9). CMV shedding overall prevalence was 21.7% (95%CI 17.6-26.2), with CMV shedding prevalence in DCCs of 51.9% (95%CI 22.8-81.1). CONCLUSION We validated the feasibility and acceptability of measuring CMV shedding in the saliva of French toddlers. The discrepancy between CMV infection rates in day care centers and in the general population (as sampled in the EU) indicates the need for a further study to determine risk factors and shedding levels in the DCC population.
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Affiliation(s)
- J Grosjean
- CHU Limoges, Bacteriology-Virology Department, Limoges, France; National Reference Center for Cytomegaloviruses, Limoges, France; Univ Limoges, Inserm UMR 1092, Faculté de Médecine, Limoges, France
| | - L Trapes
- CHU Limoges, Pediatric Emergency Unit, Limoges, France
| | - S Hantz
- CHU Limoges, Bacteriology-Virology Department, Limoges, France; National Reference Center for Cytomegaloviruses, Limoges, France; Univ Limoges, Inserm UMR 1092, Faculté de Médecine, Limoges, France
| | - C Mengelle
- CHU Toulouse, Virology Department, Toulouse, France
| | - B Virey
- Pediatrician, Association Française de Pédiatrie Ambulatoire, Dijon, France
| | - F Undreiner
- Pediatrician, Association Française de Pédiatrie Ambulatoire, Strasbourg, France
| | - V Messager
- CHU Limoges, Pediatric Emergency Unit, Limoges, France
| | - F Denis
- CHU Limoges, Bacteriology-Virology Department, Limoges, France; Univ Limoges, Inserm UMR 1092, Faculté de Médecine, Limoges, France
| | - B Marin
- CHU Limoges, Unité Fonctionnelle de Recherche Clinique et de Biostatistique, Limoges, France
| | - S Alain
- CHU Limoges, Bacteriology-Virology Department, Limoges, France; National Reference Center for Cytomegaloviruses, Limoges, France; Univ Limoges, Inserm UMR 1092, Faculté de Médecine, Limoges, France.
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Grosjean J, Robert T, Sapper S, Cheize A, Doche C. P37: Development of a simple and rapid method for the determination of cannabis and its derivatives on whole blood. Toxicologie Analytique et Clinique 2014. [DOI: 10.1016/s2352-0078(14)70098-8] [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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Goullé J, Saussereau E, Grosjean J, Doche C, Mahieu L, Thouret J, Guerbet M, Lacroix C. Accidental potassium dichromate poisoning. Toxicokinetics of chromium by ICP-MS-CRC in biological fluids and in hair. Forensic Sci Int 2012; 217:e8-12. [DOI: 10.1016/j.forsciint.2011.10.020] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2011] [Accepted: 04/26/2011] [Indexed: 10/16/2022]
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Golbreich C, Grosjean J, Darmoni SJ. The FMA in OWL 2. Artif Intell Med 2011. [DOI: 10.1007/978-3-642-22218-4_25] [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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Grosjean J, Hantz S, Cotin S, Baclet M, Mengelle C, Trapes L, Virey B, Undreiner F, Brosset P, Pasquier C, Denis F, Alain S. Direct genotyping of cytomegalovirus envelope glycoproteins from toddler's saliva samples. J Clin Virol 2009; 46 Suppl 4:S43-8. [DOI: 10.1016/j.jcv.2009.08.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2009] [Revised: 08/06/2009] [Accepted: 08/22/2009] [Indexed: 11/17/2022]
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de Rougemont A, Kaplon J, Lebon P, Huet F, Denis F, Alain S, Fourcade L, Grosjean J, El-Hajje MJ, Gendrel D, Pothier P. Unexpected substitution of dominant rotavirus G genotypes in French hospitalized children over five consecutive seasons. Eur J Clin Microbiol Infect Dis 2008; 28:403-7. [PMID: 18855026 DOI: 10.1007/s10096-008-0640-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2008] [Accepted: 09/23/2008] [Indexed: 11/25/2022]
Abstract
The study was designed to evaluate the circulation of group A rotaviruses in French hospitalized children, and to detect unusual strains. This prospective study was conducted from 2001 to 2006 in children consulting for acute diarrhea at the pediatric emergency department in three French University Hospitals. The rotaviruses were detected by rapid test and genotyped by RT-PCR on the basis of their outer capsid proteins VP4 (P-type) and VP7 (G-type). The stools from 757 children were analyzed. G1P[8] strains were predominant (44.0%), followed by G9P[8] (17.7%), G3P[8] 13.1%, G4P[8] (9.5%), and G2P[4] (1.8%); mixed rotavirus infections occurred in 2.3%. G9 rotaviruses emerged during the 2004-2005 season (73.4%) and remained the second most prevalent strains. Few unusual strains, G6, G8, G12 and P[6]-types, were detected. The monitoring of rotavirus infections should be maintained to document strain distribution and to assess the emergence of new reassortants that may not respond to current rotavirus vaccines.
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Affiliation(s)
- A de Rougemont
- National Reference Centre for Enteric Viruses, University Hospital of Dijon, France.
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Fabre C, Grosjean J, Tailler M, Boehrer S, Adès L, Perfettini JL, de Botton S, Fenaux P, Kroemer G. A novel effect of DNA methyltransferase and histone deacetylase inhibitors: NFkappaB inhibition in malignant myeloblasts. Cell Cycle 2008; 7:2139-45. [PMID: 18641459 DOI: 10.4161/cc.7.14.6268] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Malignant myeloblasts arising in high-risk myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML) are characterized by the constitutive activation of the anti-apoptotic transcription factor NFkappaB. We found that DNA methyltransferase (DNMT) inhibitors (such as azacytidine and 5-aza-2'-deoxycytidine) and histone deacetylase (HDAC) inhibitors (such as trichostatin and valproic acid) efficiently induced apoptosis in the P39 MDS/AML cell line, correlating with an inhibition of NFkappaB (which translocated from the nucleus to the cytoplasm). This effect was obtained rapidly, within a few hours, suggesting that it was not due to epigenetic reprogramming. Indeed, DNMT and HDAC inhibitors reduced the phosphorylation of the NFkappaB-activating kinase IKKalpha/beta, and this effect was also observed in enucleated cells. Finally, circulating myeloblasts from AML patients treated with the DNMT inhibitor 5-aza-2'-deoxycytidine manifested a rapid (2 hours post-treatment) inhibition of NFkappaB and IKKalpha/beta. Altogether, these results indicate that DNMT and HDAC inhibitors can inhibit the constitutive activation of NFkappaB in malignant myeloblasts in vitro and in vivo through a novel mechanism.
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Affiliation(s)
- Claire Fabre
- INSERM, U848, Unit Apoptosis, Cancer and Immunity, Villejuif, France
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Penel N, Mallet Y, Robin YM, Fournier C, Grosjean J, Ceugnart L, Clisant S, Lefebvre JL. Prognostic factors for adult sarcomas of head and neck. Int J Oral Maxillofac Surg 2008; 37:428-32. [PMID: 18343096 DOI: 10.1016/j.ijom.2008.01.019] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2007] [Revised: 11/20/2007] [Accepted: 01/31/2008] [Indexed: 10/22/2022]
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Penel N, Grosjean J, Pichon-Watelle F, Giscard S, Hoppe H, Taieb S, Vanseymortier L, Adenis A. Factors favouring palliative treatment multidisciplinary decisions for newly diagnosed visceral and soft tissue sarcomas. Clin Oncol (R Coll Radiol) 2008; 20:523-7. [PMID: 18440792 DOI: 10.1016/j.clon.2008.03.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2007] [Revised: 03/17/2008] [Accepted: 03/19/2008] [Indexed: 10/22/2022]
Abstract
AIMS The multidisciplinary medical decision-making process is a key element of the clinical management of cancers, especially rare cancers such as visceral and soft tissue sarcomas. One of the most important decisions stated is to discriminate patients considered for palliative-intent treatment. The aim of this retrospective study was to establish the rationale parameters that justify this decision for newly diagnosed sarcomas. PATIENTS AND METHODS From a retrospective cohort of 341 patients we investigated the parameters justifying a palliative-intent strategy decision in univariate and multivariate analyses, based on the logistic regression model. We also measured the effect of this decision on overall survival using the Cox model. RESULTS Seventy-one of 341 patients (20%) were considered for a palliative-intent strategy. In multivariate analysis, five variables justified this decision: contraindication for general anaesthesia (adjusted odds ratio 10.5), head and neck location (odds ratio 3.7), visceral sarcoma (odds ratio 2.8), tumour size over 8 cm (odds ratio 3.5) and presence of metastasis (odds ratio 39.5). In the Cox model we found that two independent factors were associated with poor outcome: grade 3 (hazard ratio 2.7) and palliative-intent strategy (hazard ratio 3.3). CONCLUSIONS About 20% of newly diagnosed sarcomas were considered for palliative strategy by multidisciplinary committee. This decision was based on rationale parameters and had an intrinsic prognostic value.
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Affiliation(s)
- N Penel
- Département de Cancérologie Générale, Centre Oscar Lambret, Equipe d'Accueil 2694: Santé Publique, Epidémiologie et modélisation des maladies chroniques, Université Lille II, Lille, France.
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Braun T, Carvalho G, Grosjean J, Ades L, Fabre C, Boehrer S, Debili N, Fenaux P, Kroemer G. Differentiating megakaryocytes in myelodysplastic syndromes succumb to mitochondrial derangement without caspase activation. Apoptosis 2007; 12:1101-8. [PMID: 17245643 DOI: 10.1007/s10495-006-0030-z] [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: 02/08/2023]
Abstract
Myelodysplastic syndromes (MDS) constitute a preneoplastic condition in which potentially malignant cancer stem cells continuously die during differentiation. This MDS-associated cell death often involves caspase-3 activation, yet can also occur without caspase activation, for instance in differentiating megakaryocytes (MK). We investigated, the mechanisms through which MK from MDS patients undergo premature cell death. While polyploid, mature MK from healthy subjects or MDS patients manifested caspase-3 activation during terminal differentiation, freshly isolated, immature MK from MDS died without caspase-3 activation. Similarly, purified bone marrow CD34(+) cells from MDS patients that were driven into MK differentiation in vitro died without caspase-3 activation at an immature stage, before polyploidization. The premature death of MDS MK was accompanied by the mitochondrial release of cytochrome c, Smac/DIABLO and endonuclease G, a caspase-independent death effector, as well loss of the mitochondrial membrane potential and plasma membrane phosphatidylserine exposure before definitive loss of viability. Thus, a stereotyped pattern of mitochondrial alterations accompanies differentiation-associated MK death in MDS.
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Boehrer S, Adàs L, Braun T, Galluzzi L, Grosjean J, Fabre C, de Botton S, Gardin C, Fenaux P, Kroemer G. P039 The EGFR-inhibitor erlotinib exhibits various off-target effects in MDS and AML. Leuk Res 2007. [DOI: 10.1016/s0145-2126(07)70109-1] [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: 11/25/2022]
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Fabre C, Carvalho G, Tasdemir E, Braun T, Adès L, Grosjean J, Boehrer S, Métivier D, Souquère S, Pierron G, Fenaux P, Kroemer G. NF-kappaB inhibition sensitizes to starvation-induced cell death in high-risk myelodysplastic syndrome and acute myeloid leukemia. Oncogene 2007; 26:4071-83. [PMID: 17213804 DOI: 10.1038/sj.onc.1210187] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
CD34(+) bone marrow blasts from high-risk myelodysplastic syndrome (MDS) patients as well as MDS patient-derived cell lines (P39 and MOLM13) constitutively activate the nuclear factor-kappaB (NF-kappaB) pathway and undergo apoptosis when NF-kappaB is inhibited. Here, we show that the combination of conventional chemotherapeutic agents (daunorubicin, mitoxantrone, 5-azacytidine or camptothecin) with the NF-kappaB inhibitor BAY11-7082 did not yield a synergistic cytotoxicity. In contrast, BAY11-7082 (which targets the NF-kappaB-activating I-kappaB kinase (IKK) complex) or knockdown of essential components of the NF-kappaB system (such as the IKK1 and IKK2 subunits of the IKK complex and the p65 subunit of NF-kappaB), by small interfering RNAs sensitized MDS cell lines to starvation-induced apoptosis. The combination of BAY11-7082 and nutrient depletion synergistically killed the acute myeloid leukemia (AML) cell line U937 as well as primary CD34(+) bone marrow blasts from AML and high-risk MDS patients. The synergistic killing by BAY11-7082, combined with nutrient depletion, led to cell death accompanied by all hallmarks of apoptosis, including an early loss of the mitochondrial transmembrane potential, the release of cytochrome c and apoptosis-inducing factor (AIF) from mitochondria, activation of caspase-3, phosphatidylserine exposure on the plasma membrane surface and nuclear chromatin condensation. Transmission electron microscopy revealed the presence of numerous autophagic vacuoles in the cytoplasm before cells underwent nuclear apoptosis. Nonetheless, cell death was neither inhibited by the pan-caspase inhibitor z-VAD-fmk nor by knockdown of AIF or of essential components of the autophagy pathway (ATG5, ATG6/Beclin-1, ATG10, ATG12). In contrast, external supply of glucose, insulin or insulin-like growth factor-I could retard the cell death induced by BAY11-7082 combined with starvation. These results suggest that in MDS cells, NF-kappaB inhibition can precipitate a bioenergetic crisis that leads to an autophagic stress response followed by apoptotic cell death.
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Affiliation(s)
- C Fabre
- INSERM, Unit Apoptosis, Cancer and Immunity, Villejuif, France
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Carvalho G, Fabre C, Braun T, Grosjean J, Ades L, Agou F, Tasdemir E, Boehrer S, Israel A, Véron M, Fenaux P, Kroemer G. Inhibition of NEMO, the regulatory subunit of the IKK complex, induces apoptosis in high-risk myelodysplastic syndrome and acute myeloid leukemia. Oncogene 2006; 26:2299-307. [PMID: 17043643 DOI: 10.1038/sj.onc.1210043] [Citation(s) in RCA: 38] [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] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
In high-risk myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML), blasts constitutively activate the antiapoptotic transcription factor nuclear factor-kappaB (NF-kappaB). Here, we show that this NF-kappaB activation relies on the constitutive activation of the IkappaB kinase (IKK) complex, which is formed by the IKKalpha, IKKbeta and IKKgamma/NF-kappaB essential modulator (NEMO) subunits. A cell-permeable peptide that mimics the leucine zipper subdomain of IKKgamma, thus preventing its oligomerization, inhibited the constitutive NF-kappaB activation and induced apoptotic cell death in a panel of human MDS and AML cell lines (P39, MOLM13, THP1 and MV4-11). Small interfering RNA-mediated knockdown of the p65 NF-kappaB subunit or the three IKK subunits including IKKgamma/NEMO also induced apoptotic cell death in P39 cells. Cell death induced by the IKKgamma/NEMO-antagonistic peptide involved the caspase-independent loss of the mitochondrial transmembrane potential as well as signs of outer mitochondrial membrane permeabilization with the consequent release of cytochrome c, apoptosis-inducing factor and endonuclease G. Primary bone marrow CD34(+) cells from high-risk MDS and AML patients also succumbed to the IKKgamma/NEMO-antagonistic peptide, but not to a mutated control peptide. Altogether, these data indicate that malignant cells in high-risk MDS and AML cells critically depend on IKKgamma/NEMO to survive. Moreover, our data delineate a novel procedure for their therapeutic removal, through inhibition of IKKgamma/NEMO oligomerization.
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Affiliation(s)
- G Carvalho
- INSERM, Unit Apoptosis, Cancer and Immunity, Villejuif, France
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Abstract
The transcription factor nuclear factor kappa B (NF-kappaB) can intervene in oncogenesis by virtue of its capacity to regulate the expression of a plethora of genes that modulate apoptosis, and cell survival as well as proliferation, inflammation, tumor metastasis and angiogenesis. Different reports demonstrate the intrinsic activation of NF-kappaB in lymphoid and myeloid malignancies, including preneoplastic conditions such as myelodysplastic syndromes, underscoring its implication in malignant transformation. Targeting intrinsic NF-kappaB activation, as well as its upstream and downstream regulators, may hence constitute an additional approach to the oncologist's armamentarium. Several small inhibitors of the NF-kappaB-activatory kinase IkappaB kinase, of the proteasome, or of the DNA binding of NF-kappaB subunits are under intensive investigation. Currently used cytotoxic agents can induce NF-kappaB activation as an unwarranted side effect, which confers apoptosis suppression and hence resistance to these drugs. Thus, NF-kappaB inhibitory molecules may be clinically useful, either as single therapeutic agents or in combination with classical chemotherapeutic agents, for the treatment of hematological malignancies.
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Affiliation(s)
- T Braun
- Centre National de la Recherche Scientifique, UMR8125, Institut Gustave Roussy, 39 rue Camille-Desmoulins, F-94805 Villejuif, France
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Syeda F, Grosjean J, Houliston RA, Keogh RJ, Carter TD, Paleolog E, Wheeler-Jones CPD. Cyclooxygenase-2 induction and prostacyclin release by protease-activated receptors in endothelial cells require cooperation between mitogen-activated protein kinase and NF-kappaB pathways. J Biol Chem 2006; 281:11792-804. [PMID: 16467309 DOI: 10.1074/jbc.m509292200] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.4] [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] [Indexed: 12/11/2022] Open
Abstract
The functional significance of protease-activated receptors (PARs) in endothelial cells is largely undefined, and the intracellular consequences of their activation are poorly understood. Here, we show that the serine protease thrombin, a PAR-1-selective peptide (TFLLRN), and SLIGKV (PAR-2-selective peptide) induce cyclooxygenase-2 (COX-2) protein and mRNA expression in human endothelial cells without modifying COX-1 expression. COX-2 induction was accompanied by sustained production of 6-keto-PGF1alpha, the stable hydrolysis product of prostacyclin, and this was inhibited by indomethacin and the COX-2-selective inhibitor NS398. PAR-1 and PAR-2 stimulation rapidly activated both ERK1/2 and p38MAPK, and pharmacological blockade of MEK with either PD98059 or U0126 or of p38MAPK by SB203580 or SB202190 strongly inhibited thrombin- and SLIGKV-induced COX-2 expression and 6-keto-PGF1alpha formation. Thrombin and peptide agonists of PAR-1 and PAR-2 increased luciferase activity in human umbilical vein endothelial cells infected with an NF-kappaB-dependent luciferase reporter adenovirus, and this, as well as PAR-induced 6-keto-PGF1alpha synthesis, was inhibited by co-infection with adenovirus encoding wild-type or mutated (Y42F) IkappaBalpha. Thrombin- and SLIGKV-induced COX-2 expression and 6-keto-PGF1alpha generation were markedly attenuated by the NF-kappaB inhibitor PG490 and partially inhibited by the proteasome pathway inhibitor MG-132. Activation of PAR-1 or PAR-2 promoted nuclear translocation and phosphorylation of p65-NF-kappaB, and thrombin-induced but not PAR-2-induced p65-NF-kappaB phosphorylation was reduced by inhibition of MEK or p38MAPK. Activation of PAR-4 by AYPGKF increased phosphorylation of ERK1/2 and p38MAPK without modifying NF-kappaB activation or COX-2 induction. Our data show that PAR-1 and PAR-2, but not PAR-4, are coupled with COX-2 expression and sustained endothelial production of vasculoprotective prostacyclin by mechanisms that depend on ERK1/2, p38MAPK, and IkappaBalpha-dependent NF-kappaB activation.
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Affiliation(s)
- Farisa Syeda
- Department of Veterinary Basic Sciences, Royal Veterinary College, Royal College Street, London NW1 0TU, United Kingdom
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Grosjean J, Kiriakidis S, Reilly K, Feldmann M, Paleolog E. Vascular endothelial growth factor signalling in endothelial cell survival: a role for NFkappaB. Biochem Biophys Res Commun 2005; 340:984-94. [PMID: 16410078 DOI: 10.1016/j.bbrc.2005.12.095] [Citation(s) in RCA: 61] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2005] [Accepted: 12/09/2005] [Indexed: 11/25/2022]
Abstract
Angiogenesis is the development of blood capillaries from pre-existing vessels. Vascular endothelial growth factor (VEGF) is a key regulator of vessel growth and regression, and acts as an endothelial survival factor by protecting endothelial cells from apoptosis. Many genes involved in cell proliferation and apoptosis are regulated by the nuclear factor kappa B (NFkappaB) transcription factor family. This study aimed to address the hypothesis that VEGF-mediated survival effects on endothelium involve NFkappaB. Using an NFkappaB-luciferase reporter adenovirus, we observed activation of NFkappaB following VEGF treatment of human umbilical vein endothelial cells. This was confirmed using electrophoretic mobility shift assay and found to involve nuclear translocation of NFkappaB sub-unit p65. However, NFkappaB activation occurred without degradation of inhibitory IkappaB proteins (IkappaBalpha, IkappaBbeta, and IkappaBepsilon). Instead, tyrosine phosphorylation of IkappaBalpha was observed following VEGF treatment, suggesting NFkappaB activation was mediated by degradation-independent dissociation of IkappaBalpha from NFkappaB. Adenovirus-mediated over-expression of either native IkappaBalpha, or of IkappaBalpha in which tyrosine residue 42 was mutated to phenylalanine, inhibited induction of NFkappaB-dependent luciferase activity in response to VEGF. Furthermore, VEGF-induced upregulation of mRNA for the anti-apoptotic protein Bcl-2 and cell survival following serum withdrawal was reduced following IkappaBalpha over-expression. This study highlights that different molecular mechanisms of NFkappaB activation may be involved downstream of stimuli which activate the endothelial lining of blood vessels.
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Affiliation(s)
- Jennifer Grosjean
- Kennedy Institute of Rheumatology, Faculty of Medicine, Imperial College, London, UK.
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Leclercq C, Penel N, Grosjean J, Fournier C, Vilain MO, Pasquier D, Ceugnart L, Vanseymortier L. [Prognosis of post-irradiation soft-tissue sarcoma: case-control study]. Rev Med Interne 2005; 25:866-71. [PMID: 15582166 DOI: 10.1016/j.revmed.2004.08.002] [Citation(s) in RCA: 8] [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] [Received: 11/26/2003] [Accepted: 08/06/2004] [Indexed: 10/26/2022]
Abstract
PURPOSE We describe clinical and pathological aspects and survival of 12 recent of radio-induced soft tissue sarcoma. METHOD We performed a single center case-control study, with 23 control matched by grade (according to Federation nationale des centres de lutte contre le cancer Grading) and by location. Survival comparison used Log Rank test. RESULTS The development of these 12 cases was a result of 12 previous cancer treatment (including 4 breast cancers and 2 cervix cancers) with radiotherapy (median dose of 58 Grays). The median latency period was 10 years. There were nine women and three men. The median age was 68.5 years. The main location was chest wall (5 cases). The two main histologic subtypes were malignant histiocytofibromas (6 cases) and angiosarcomas (3 cases). Five cases were high grade. Treatments were performed with curative intent in 9 cases, including complete resection in six cases. Clinical and pathological aspects and treatments of controls were similar, but postoperative radiotherapy was most frequent and malignant histiocytofibroma was less common. Median overall survival (47 months vs. 30 months, P = 0.6), median metastatic disease-free survival (37 vs. 15 m., P = 0.6) and median locoregional disease-free survival (14 vs. 24 m., P = 0.07) were similar for cases and control. CONCLUSION This study suggests that prognosis of radio-induced soft-tissue sarcomas is similar as other soft tissue sarcoma of same grade and same location.
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Affiliation(s)
- C Leclercq
- Département de cancérologie générale, centre Oscar-Lambret, 3, rue Frédéric-Combemale, BP 307, 59020, Lille cedex, France
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Evans M, Berhane Y, Botham KM, Elliott J, Grosjean J, Paleolog E, Wheeler-Jones CP. EFFECTS OF CHYLOMICRON REMNANT-LIKE PARTICLES ON VASCULAR ENDOTHELIUM AND SMOOTH MUSCLE. Cardiovasc Pathol 2004. [DOI: 10.1016/j.carpath.2004.03.076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Syeda F, Houliston R, Keogh R, Grosjean J, Paleolog E, Carter T, Wheeler-Jones CPD. MECHANISMS OF PROTEASE ACTIVATED RECEPTOR (PAR)-MEDIATED CYCLOOXYGENASE-2 INDUCTION IN HUMAN ENDOTHELIAL CELLS. Cardiovasc Pathol 2004. [DOI: 10.1016/j.carpath.2004.03.170] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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Abstract
INTRODUCTION Ocular melanoma is associated with extended risk of metastases, mainly liver metastases. Nevertheless, the late and ultra-late recurrence (respectively 10 and 15 years after initial treatment) are exceptional events. EXEGESIS We describe hereafter two cases. In the first case, the treatment is palliative chemotherapy with death 12 months after metastasis diagnosis. In the second case, the patient underwent two resections of metastases (lung and liver). This patient had excellent quality of live, and survived 11 months later after palliative surgery. DISCUSSION Follow-up of ocular melanoma patients should include liver enzymes and ultrasonography of liver in the long run.
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Affiliation(s)
- J Grosjean
- Département de cancérologie générale, centre Oscar-Lambret, Lille, France
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Grosjean J, Sivakumar B, Paleolog E. Arthritis Res Ther 2004; 6:21. [DOI: 10.1186/ar1356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Grosjean J. [Statistical data pertaining to disablement resulting from tuberculous disease in the scheme for salaried workers (author's transl)]. Acta Tuberc Pneumol Belg 1976; 67:374-93. [PMID: 143877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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