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Devos S, Bonnet F, Hessamfar M, Neau D, Vareil MO, Leleux O, Cazanave C, Rouanes N, Duffau P, Lazaro E, Dabis F, Wittkop L, Barger D, Blanco P, Bouchet S, Breilh D, Desjardin S, Gaborieau V, Gimbert A, Lacaze-Buzy L, Lacoste D, Lafon ME, Lawson-Ayayi S, Le Marec F, Le Moal G, Malvy D, Marchand L, Mercié P, Pellegrin I, Perrier A, Petrov-Sanchez V, Bernard N, Bronnimann D, Chaussade H, Dondia D, Faure I, Morlat P, Mériglier E, Paccalin F, Riebero E, Rivoisy C, Vandenhende MA, Barthod L, Dauchy FA, Desclaux A, Ducours M, Dutronc H, Duvignaud A, Leitao J, Lescure M, Nguyen D, Pistone T, Puges M, Wirth G, Courtault C, Camou F, Greib C, Pellegrin JL, Rivière E, Viallard JF, Imbert Y, Thierry-Mieg M, Rispal P, Caubet O, Ferrand H, Tchamgoué S, Farbos S, Wille H, Andre K, Caunegre L, Gerard Y, Osorio-Perez F, Chossat I, Iles G, Labasse-Depis M, Lacassin F, Barret A, Castan B, Koffi J, Saunier A, Zabbe JB, Dumondin G, Beraud G, Catroux M, Garcia M, Giraud V, Martellosio JP, Roblot F, Pasdeloup T, Riché A, Grosset M, Males S, Ngo Bell C, Carpentier C, Tumiotto C, Miremeont-Salamé G, Arma D, Arnou G, Blaizeau MJ, Camps P, Decoin M, Delveaux S, Diarra F, Gabrea L, Lai WH, Lenaud E, Plainchamps D, Pougetoux A, Uwamaliya B, Zara K, Conte V, Gapillout M. Tobacco, alcohol, cannabis, and illicit drug use and their association with CD4/CD8 cell count ratio in people with controlled HIV: a cross-sectional study (ANRS CO3 AQUIVIH-NA-QuAliV). BMC Infect Dis 2023; 23:16. [PMID: 36624391 PMCID: PMC9830769 DOI: 10.1186/s12879-022-07963-6] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 12/21/2022] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND To evaluate drug use (alcohol, tobacco, cannabis and other drugs) and its association with mean CD4/CD8 T cell count ratio, a marker of chronic inflammation, in virally suppressed people living with HIV-1 (PLWH) in Nouvelle Aquitaine, France. METHODS A multi-centric, cross-sectional analysis was conducted in 2018-19 in the QuAliV study-ANRS CO3 AQUIVIH-NA cohort. Tobacco, alcohol, cannabis, and other drug use (poppers, cocaine, amphetamines, synthetic cathinones, GHB/GBL) were self-reported. CD4 and CD8 T cell counts and viral load measures, ± 2 years of self-report, and other characteristics were abstracted from medical records. Univariable and multivariable linear regression models, adjusted for age, sex, HIV risk group, time since HIV diagnosis, and other drug use were fit for each drug and most recent CD4/CD8 ratio. RESULTS 660 PLWH, aged 54.7 ± 11.2, were included. 47.7% [315/660] had a CD4/CD8 ratio of < 1. Their mean CD4/CD8 ratio was 1.1 ± 0.6. 35% smoked; ~ 40% were considered to be hazardous drinkers or have alcohol use disorder; 19.9% used cannabis and 11.9% other drugs. Chemsex-associated drug users' CD4/CD8 ratio was on average 0.226 (95% confidence interval [95% CI] - 0.383, - 0.070) lower than that of non-users in univariable analysis (p = 0.005) and 0.165 lower [95% CI - 0.343, 0.012] in multivariable analysis (p = 0.068). CONCLUSIONS Mean differences in CD4/CD8 ratio were not significantly different in tobacco, alcohol and cannabis users compared to non-users. However, Chemsex-associated drug users may represent a population at risk of chronic inflammation, the specific determinants of which merit further investigation. TRIAL REGISTRATION NUMBER NCT03296202.
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Affiliation(s)
- Sophie Devos
- grid.7429.80000000121866389Univ. Bordeaux, INSERM, BPH, U1219, 146, rue Léo Saignat-CS61292, 33076 Bordeaux Cedex, France ,grid.42399.350000 0004 0593 7118CHU de Bordeaux, COREVIH Nouvelle Aquitaine, INSERM, U1219, 1 Rue Jean Burguet, 33000 Bordeaux, France
| | - Fabrice Bonnet
- grid.7429.80000000121866389Univ. Bordeaux, INSERM, BPH, U1219, 146, rue Léo Saignat-CS61292, 33076 Bordeaux Cedex, France ,grid.42399.350000 0004 0593 7118CHU de Bordeaux, Service de Médecine Interne et Maladies Infectieuses, INSERM, U1219, 1 Rue Jean Burguet, 33000 Bordeaux, France ,grid.7429.80000000121866389Univ. Bordeaux, INSERM, Institut Bergonié, BPH, U1219, CIC-P 1401, 146, rue Léo Saignat-CS61292, 33076 Bordeaux Cedex, France
| | - Mojgan Hessamfar
- grid.7429.80000000121866389Univ. Bordeaux, INSERM, BPH, U1219, 146, rue Léo Saignat-CS61292, 33076 Bordeaux Cedex, France ,grid.42399.350000 0004 0593 7118CHU de Bordeaux, COREVIH Nouvelle Aquitaine, INSERM, U1219, 1 Rue Jean Burguet, 33000 Bordeaux, France ,grid.42399.350000 0004 0593 7118CHU de Bordeaux, Service de Médecine Interne et Maladies Infectieuses, INSERM, U1219, 1 Rue Jean Burguet, 33000 Bordeaux, France
| | - Didier Neau
- grid.42399.350000 0004 0593 7118CHU de Bordeaux, Service des Maladies Infectieuses et Tropicales, INSERM, U1219, Pl. Amélie Raba Léon, U121933000 Bordeaux, France
| | - Marc-Olivier Vareil
- grid.418076.c0000 0001 0226 3611Centre Hospitalier de la Côte Basque, Service de Maladies Infectieuses, 13 Avenue de l’interne Jacques Loëb, BP 8, 64109 Bayonne Cedex, France
| | - Olivier Leleux
- grid.7429.80000000121866389Univ. Bordeaux, INSERM, Institut Bergonié, BPH, U1219, CIC-P 1401, 146, rue Léo Saignat-CS61292, 33076 Bordeaux Cedex, France
| | - Charles Cazanave
- grid.42399.350000 0004 0593 7118CHU de Bordeaux, Service des Maladies Infectieuses et Tropicales, INSERM, U1219, Pl. Amélie Raba Léon, U121933000 Bordeaux, France
| | - Nicolas Rouanes
- Centre Hospitalier de Périgueux, Service de Médecine Polyvalente, 80 Av. Georges Pompidou, 22400 Périgueux, France
| | - Pierre Duffau
- grid.42399.350000 0004 0593 7118CHU de Bordeaux, Service de Médecine Interne et Maladies Infectieuses, INSERM, U1219, 1 Rue Jean Burguet, 33000 Bordeaux, France ,grid.4444.00000 0001 2112 9282Univ. Bordeaux, Department of Immunology, CNRS, ImmunoConcEpT, UMR 5164, 33000 Bordeaux, France
| | - Estibaliz Lazaro
- grid.42399.350000 0004 0593 7118CHU de Bordeaux, Service de Médecine Interne, 1 Avenue de Magellan, 33600 Pessac, France
| | - François Dabis
- grid.7429.80000000121866389Univ. Bordeaux, INSERM, BPH, U1219, 146, rue Léo Saignat-CS61292, 33076 Bordeaux Cedex, France ,grid.42399.350000 0004 0593 7118CHU de Bordeaux, COREVIH Nouvelle Aquitaine, INSERM, U1219, 1 Rue Jean Burguet, 33000 Bordeaux, France
| | - Linda Wittkop
- grid.7429.80000000121866389Univ. Bordeaux, INSERM, BPH, U1219, 146, rue Léo Saignat-CS61292, 33076 Bordeaux Cedex, France ,grid.7429.80000000121866389Univ. Bordeaux, INSERM, Institut Bergonié, BPH, U1219, CIC-P 1401, 146, rue Léo Saignat-CS61292, 33076 Bordeaux Cedex, France ,Univ. Bordeaux, INSERM, INRIA, BPH, U1219, 146, rue Léo Saignat-CS61292, 33076 Bordeaux Cedex, France ,grid.508062.90000 0004 8511 8605CHU de Bordeaux, Service d’information médicale, INSERM, U1219, 146, rue Léo Saignat-CS61292, 33076 Bordeaux Cedex, France
| | - Diana Barger
- grid.7429.80000000121866389Univ. Bordeaux, INSERM, BPH, U1219, 146, rue Léo Saignat-CS61292, 33076 Bordeaux Cedex, France
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Blanc P, Bonnet F, Leleux O, Perrier A, Bessede E, Pereyre S, Cazanave C, Neau D, Vareil MO, Lazaro E, Duffau P, Saunier A, André K, Wittkop L, Vandenhende MA, Blanco P, Bonnet F, Bouchet S, Breilh D, Cazanave C, Desjardin S, Gaborieau V, Gimbert A, Hessamfar M, Lacaze-Buzy L, Lacoste D, Lafon ME, Lawson-Ayayi S, Lazaro E, Leleux O, Le Marec F, Le Moal G, Malvy D, Marchand L, Mercié P, Neau D, Pellegrin I, Perrier A, Petrov-Sanchez V, Vareil MO, Wittkop L, Bernard N, Bonnet F, Bronnimann D, Chaussade H, Dondia D, Duffau P, Faure I, Hessamfar M, Mercié P, Morlat P, Mériglier E, Paccalin F, Riebero E, Rivoisy C, Vandenhende MA, Barthod L, Cazanave C, Dauchy FA, Desclaux A, Ducours M, Dutronc H, Duvignaud A, Leitao J, Lescure M, Neau D, Nguyen D, Malvy D, Pistone T, Puges M, Wirth G, Courtault C, Camou F, Greib C, Lazaro E, Pellegrin JL, Rivière E, Viallard JF, Imbert Y, Thierry-Mieg M, Rispal P, Caubet O, Ferrand H, Tchamgoué S, Farbos S, Vareil MO, Wille H, Andre K, Caunegre L, Gerard Y, Osorio-Perez F, Chossat I, Iles G, Gerard Y, Labasse-Depis M, Lacassin F, Barret A, Courtault C, Castan B, Koffi J, Rouanes N, Saunier A, Zabbe JB, Dumondin G, Gaborieau V, Gerard Y, Beraud G, Le Moal G, Catroux M, Garcia M, Giraud V, Martellosio JP, Roblot F, Pasdeloup T, Riché A, Grosset M, Males S, Bell CN, Pasdeloup T, Pasdeloup T, Blanco P, Pellegrin I, Carpentier C, Pellegrin I, Bellecave P, Lafon ME, Tumiotto C, Bouchet S, Breilh D, Miremeont-Salamé G, Arma D, Arnou G, Blaizeau MJ, Camps P, Decoin M, Delveaux S, Diarra F, Gabrea L, Lawson-Ayayi S, Lenaud E, Plainchamps D, Pougetoux A, Uwamaliya B, Zara K, Conte V, Gapillout M, Leleux O, Perrier A, Peyrouny-Mazeau A. Severe bacterial non-AIDS infections in persons with HIV: the epidemiology and evolution of antibiotic resistance over an 18-year period (2000-2017) in the ANRS CO3 AquiVih-Nouvelle-Aquitaine cohort. Clin Infect Dis 2023; 76:1814-1821. [PMID: 36610063 DOI: 10.1093/cid/ciac978] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 12/19/2022] [Accepted: 12/27/2022] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Severe non-AIDS bacterial infections (SBIs) are one of the leading causes of hospital admissions among persons with HIV (PWH) in regions with high ART coverage. METHODS This large prospective cohort study of PWH examined the types of infections, bacterial documentation, and evolution of antibiotic resistance among PWH hospitalized with SBIs over an 18-year period. RESULTS Between 2000 and 2017, 459 PWH had at least one SBI with bacterial documentation. Among the 847 SBIs, there were 280 cases of bacteremia, 269 cases of pneumonia, and 240 urinary tract infections. The 1025 isolated bacteria included Enterobacteriaceae (n = 394; mainly Escherichia coli), Staphylococcus aureus (n = 153) and Streptococcus pneumoniae (n = 82). The proportion of S. pneumoniae as the causative agent in pneumonia and bacteremia decreased sharply over time, from 34% to 8% and from 21 to 3%, respectively.The overall antibiotic resistance of S. aureus and S. pneumoniae decreased progressively but it increased for Enterobacteriaceae (from 24% to 48% for amoxicillin-clavulanate, from 4 to 18% for cefotaxime, and from 5% to 27% for ciprofloxacin). Cotrimoxazole prophylaxis was associated with higher nonsusceptibility of S. pneumoniae to amoxicillin and erythromycin, higher nonsusceptibility of Enterobacteriaceae to beta-lactams and fluoroquinolones, and a higher risk of extended-spectrum β-lactamase producing Enterobacteriaceae. CONCLUSIONS The bacterial resistance pattern among PWH between 2014 and 2017 was broadly similar to that in the general population, with the exception of a higher resistance profile of Enterobacteriaceae to fluoroquinolones. The use of cotrimoxazole as prophylaxis was associated with an increased risk of antibiotic resistance.
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Affiliation(s)
- Peggy Blanc
- Centre Hospitalier Universitaire de Bordeaux, Service de Médecine Interne et Maladies Infectieuses, Hôpital Saint-André, F-33000 Bordeaux, France
| | - Fabrice Bonnet
- Centre Hospitalier Universitaire de Bordeaux, Service de Médecine Interne et Maladies Infectieuses, Hôpital Saint-André, F-33000 Bordeaux, France.,Université de Bordeaux, INSERM, BPH, U1219, F-33000 Bordeaux, France
| | - Olivier Leleux
- Université de Bordeaux, INSERM, BPH, U1219, F-33000 Bordeaux, France
| | - Adélaïde Perrier
- Université de Bordeaux, INSERM, BPH, U1219, F-33000 Bordeaux, France
| | - Emilie Bessede
- Centre Hospitalier Universitaire de Bordeaux, Laboratoire de Bactériologie, Hôpital Pellegrin, F-33000 Bordeaux, France
| | - Sabine Pereyre
- Centre Hospitalier Universitaire de Bordeaux, Laboratoire de Bactériologie, Hôpital Pellegrin, F-33000 Bordeaux, France.,Université de Bordeaux, CNRS, UMR 5234 Fundamental Microbiology and Pathogenicity, F-33000 Bordeaux, France
| | - Charles Cazanave
- Centre Hospitalier Universitaire de Bordeaux, Service des maladies Infectieuses et Tropicales, Hôpital Pellegrin, F-33000 Bordeaux, France
| | - Didier Neau
- Centre Hospitalier Universitaire de Bordeaux, Service des maladies Infectieuses et Tropicales, Hôpital Pellegrin, F-33000 Bordeaux, France
| | - Marc-Olivier Vareil
- Centre Hospitalier de la Côte Basque, Service de Maladies Infectieuses, F-64109 Bayonne, France
| | - Estibaliz Lazaro
- Centre Hospitalier Universitaire de Bordeaux, Service de Médecine Interne, Hôpital du Haut-Lévêque, F-33600 Pessac, France
| | - Pierre Duffau
- Centre Hospitalier Universitaire de Bordeaux, Service de Médecine Interne et Immunologie Clinique, Hôpital Saint-André, UMR 5164, F-33000 Bordeaux, France.,Université de Bordeaux, CNRS, Immuno ConcEpT, UMR 5164, F-33000 Bordeaux, France
| | - Aurélie Saunier
- Centre Hospitalier de Périgueux, Service de Médecine Interne, F-24000 Périgueux, France
| | - Katell André
- Centre Hospitalier de Dax, Service de Maladies Infectieuses, F-40100 Dax, France
| | - Linda Wittkop
- Université de Bordeaux, INSERM, Institut Bergonié, BPH, U1219, CIC-EC 1401, F-33000, Bordeaux, France.,INRIA SISTM Team, F-33405, Talence, France.,Centre Hospitalier Universitaire de Bordeaux, Service d'information médicale, INSERM, Institut Bergonié, CIC-EC 1401, F-33000 Bordeaux, France
| | - Marie-Anne Vandenhende
- Centre Hospitalier Universitaire de Bordeaux, Service de Médecine Interne, Hôpital Pellegrin, INSERM, Institut Bergonié, CIC-EC 1401, F-33000 Bordeaux, France.,Université de Bordeaux, INSERM, Institut Bergonié, CIC-EC 1401, F-33000 Bordeaux, France
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Tran S, Thomas A, Touat M, Karachi C, Lozano F, Mokhtari K, Dehais C, Feuvret L, Carpentier C, Giry M, Doukani H, Lerond J, Marie Y, Sanson M, Idbaih A, Carpentier A, Hoang-Xuan K, Capelle L, Bielle F. OS07.1.A A threshold of mitotic activity and post-surgery residual volume are independant prognostic factors in astrocytoma IDH-mutant. Neuro Oncol 2022. [DOI: 10.1093/neuonc/noac174.046] [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] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
The distinction between grade 2 and 3 is instrumental to choose between observational follow-up and adjuvant treatment in resected astrocytoma IDH-mutant. However, criteria of grade 2 versus 3 have not been updated since the WHO 2007 classification. There is no consensus on the method of evaluation of the mitotic activity or a cut-off of mitoses separating grade 2 and grade 3 tumors. The objectives were to evaluate the maximal mitotic activity on a series of resected astrocytoma IDH-mutant and assess its prognostic impact on survival.
Material and Methods
Maximal mitotic activity on consecutive high power fields corresponding to 3 mm2 was examined in 118 lower-grade astrocytoma IDH-mutant. The prognostic value for time-to-treatment (TTT) and overall survival (OS) of mitotic activity and other putative prognostic factors (including age, performance status, pre-surgical tumor volume, plurilobar involvement, post-surgical residual tumor volume, midline involvement) was assessed in tumors with (i) ATRX loss, and (ii) without CDKN2A homozygous deletion, lesional enhancement, histological necrosis nor microvascular proliferation.
Results
Among the 75 (64%) of tumors which had gone through observational follow-up after resection, the maximal mitotic activity, the post-surgical residual volume and the plurilobar involvement were independent prognostic factors of TTT (p < 0.0001). A threshold of mitotic activity for grade 2 was fitted on TTT and OS prognosis. Using this threshold, patients with “grade 2 tumors” had a median TTT of 55 months versus 19 months for “grade 3” (p = 0.0057) and a median OS of 102 months versus 73 months respectively (p = 0.001). Residual volume < 1 cm3 was associated with longer OS (113 months versus 88 months, p = 0.0021).
Conclusion
Mitotic activity and post-surgical residual volume can be combined to evaluate prognosis in resected astrocytoma IDH-mutant and could select the best candidates for observational follow-up.
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Affiliation(s)
- S Tran
- Pitie-Salpetriere Hospital, Department of Neuropathology , Paris , France
| | - A Thomas
- Institut de Cancérologie Strasbourg Europe, Department of Radiation Oncology , Strasbourg , France
| | - M Touat
- Pitie-Salpetriere Hospital, Department of Neurology Mazarin , Paris , France
| | - C Karachi
- Pitie-Salpetriere Hospital, Department of Neurosurgery , Paris , France
| | - F Lozano
- Pitie-Salpetriere Hospital, Department of Neurology Mazarin , Paris , France
| | - K Mokhtari
- Pitie-Salpetriere Hospital, Department of Neuropathology , Paris , France
| | - C Dehais
- Pitie-Salpetriere Hospital, Department of Neurology Mazarin , Paris , France
| | - L Feuvret
- Pitie-Salpetriere Hospital, Department of Radiotherapy , Paris , France
| | - C Carpentier
- Sorbonne Universite, Paris Brain Institute - ICM , Paris , France
| | - M Giry
- Sorbonne Universite, Paris Brain Institute - ICM , Paris , France
| | - H Doukani
- Sorbonne Universite INSERM, Plateforme post-genomique de la Pitie-Salpetriere , Paris , France
| | - J Lerond
- Sorbonne Universite, Paris Brain Institute - ICM , Paris , France
| | - Y Marie
- Sorbonne Universite, Paris Brain Institute - ICM , Paris , France
| | - M Sanson
- Pitie-Salpetriere Hospital, Department of Neurology Mazarin , Paris , France
| | - A Idbaih
- Pitie-Salpetriere Hospital, Department of Neurology Mazarin , Paris , France
| | - A Carpentier
- Pitie-Salpetriere Hospital, Department of Neurosurgery , Paris , France
| | - K Hoang-Xuan
- Pitie-Salpetriere Hospital, Department of Neurology Mazarin , Paris , France
| | - L Capelle
- Pitie-Salpetriere Hospital, Department of Neurosurgery , Paris , France
| | - F Bielle
- Pitie-Salpetriere Hospital, Department of Neuropathology , Paris , France
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Camoin M, Velho G, Saulnier PJ, Potier L, Abouleka Y, Carpentier C, Dubois S, Larroumet A, Rigalleau V, Gand E, Bourron O, Bordier L, Scheen A, Hadjadj S, Roussel R, Marre M, Mohammedi K. Differential prognostic burden of cardiovascular disease and lower-limb amputation on the risk of all-cause death in people with long-standing type 1 diabetes. Cardiovasc Diabetol 2022; 21:71. [PMID: 35534880 PMCID: PMC9088124 DOI: 10.1186/s12933-022-01487-8] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 02/28/2022] [Indexed: 12/02/2022] Open
Abstract
Background Cardiovascular disease (CVD) and nontraumatic lower-limb amputation (LLA) each results in reduced life expectancy in patients with type 1 diabetes, but the differential burden between these conditions is unknown. We compared the effects of CVD and LLA on the risk of mortality in people with type 1 diabetes. Methods We used pooled data from the SURGENE, GENEDIAB, and GENESIS prospective cohorts. Data were divided into: 1/absence of CVD (myocardial infarction and/or stroke) nor LLA, 2/history of CVD alone without LLA, 3/LLA alone without CVD or 4/both conditions at baseline. Participants with baseline history of peripheral artery disease were excluded from groups 1 and 2. The study endpoint was any death occurring during follow-up, regardless of the causes. Results Among 1169 participants (male 55%, age 40 ± 13 years, diabetes duration 23 ± 11 years), CVD, LLA or both were present at baseline in 49 (4.2%), 62 (5.3%) and 20 (1.7%) subjects, respectively. All-cause death occurred in 304 (26%) participants during 17-year follow-up, corresponding to 18,426 person-years and an incidence rate of 16 (95%CI, 15–18) per 1000 person-years. The risk of death increased in individuals with baseline history of CVD (adjusted HR 2.00 [95% CI 1.34–3.01], p = 0.0008) or LLA (2.26 [1.56–3.28], p < 0.0001), versus no condition, with an additive effect in people with both conditions (5.32 [3.14–9.00], p < 0.0001). No incremental risk of death was observed in people with CVD versus LLA (0.87 [0.54–1.41]). Compared with no condition, CVD and LLA were similarly associated with reduced life expectancy during follow-up: 2.79 (95% CI 1.26–4.32) and 3.38 (1.87–4.88) years, respectively. Combined conditions expose to 7.04 (4.76–9.31) less years of life expectancy (all p < 0.0001). Conclusions CVD and LLA conferred a similar burden regarding mortality in type 1 diabetes population. Our findings encourage a careful consideration of people with type 1 diabetes and LLA as usually recommended for those with CVD, in terms of management of risk factors, treatments and prevention. Supplementary Information The online version contains supplementary material available at 10.1186/s12933-022-01487-8.
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Affiliation(s)
- Marion Camoin
- Department of Endocrinology, Diabetes and Nutrition, CEDEX, Bordeaux University Hospital, Hôpital Haut-Lévêque, Avenue de Magellan, 33604, Pessac, France.,Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, Fédération de Diabétologie de Paris, AP-HP, Université de Paris, Paris, France
| | | | - Pierre-Jean Saulnier
- UFR de Médecine et Pharmacie, Université de Poitiers, Poitiers, France.,Centre d'Investigation Clinique, CHU de Poitiers, Poitiers, France.,Inserm, CIC 1402, Poitiers, France
| | - Louis Potier
- Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, Fédération de Diabétologie de Paris, AP-HP, Université de Paris, Paris, France.,INEM, INSERM, Université de Paris, Paris, France
| | - Yawa Abouleka
- Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, Fédération de Diabétologie de Paris, AP-HP, Université de Paris, Paris, France
| | - Charlyne Carpentier
- Service d'Endocrinologie Diabétologie Nutrition, CHU d'Angers, Angers, France
| | - Severine Dubois
- Service d'Endocrinologie Diabétologie Nutrition, CHU d'Angers, Angers, France
| | - Alice Larroumet
- Department of Endocrinology, Diabetes and Nutrition, CEDEX, Bordeaux University Hospital, Hôpital Haut-Lévêque, Avenue de Magellan, 33604, Pessac, France
| | - Vincent Rigalleau
- Department of Endocrinology, Diabetes and Nutrition, CEDEX, Bordeaux University Hospital, Hôpital Haut-Lévêque, Avenue de Magellan, 33604, Pessac, France.,Faculty of Medicine, University of Bordeaux, Bordeaux, France.,INSERM U1219, Bordeaux Population Health Research Center, Bordeaux, France
| | - Elise Gand
- Centre d'Investigation Clinique, CHU de Poitiers, Poitiers, France
| | - Olivier Bourron
- Service de Diabétologie et Métabolisme, APHP, Groupe Hospitalier La Pitié-Salpêtrière, Sorbonne Université, Paris, France.,INSERM, UMRS 1138, Centre de Recherche des Cordeliers, Sorbonne Université, Paris, France
| | - Lyse Bordier
- Service d'Endocrinologie, Hôpital Bégin, Saint Mandé, France
| | | | - Samy Hadjadj
- Institut du Thorax, INSERM, CNRS, UNIV Nantes, CHU Nantes, Nantes, France
| | - Ronan Roussel
- Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, Fédération de Diabétologie de Paris, AP-HP, Université de Paris, Paris, France.,INEM, INSERM, Université de Paris, Paris, France
| | - Michel Marre
- INEM, INSERM, Université de Paris, Paris, France.,Clinique Ambroise Paré, Neuilly-sur-Seine, France
| | - Kamel Mohammedi
- Department of Endocrinology, Diabetes and Nutrition, CEDEX, Bordeaux University Hospital, Hôpital Haut-Lévêque, Avenue de Magellan, 33604, Pessac, France. .,Faculty of Medicine, University of Bordeaux, Bordeaux, France. .,Biology of Cardiovascular Diseases, INSERM Unit 1034, Pessac, France.
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5
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Mohammedi K, Abouleka Y, Carpentier C, Potier L, Dubois S, Foussard N, Rigalleau V, Gautier JF, Gourdy P, Charpentier G, Roussel R, Scheen A, Bauduceau B, Hadjadj S, Alhenc-Gelas F, Marre M, Velho G. Association Between the ACE Insertion/Deletion Polymorphism and Risk of Lower-Limb Amputation in Patients With Long-Standing Type 1 Diabetes. Diabetes Care 2022; 45:407-415. [PMID: 34853028 DOI: 10.2337/dc21-0973] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 11/01/2021] [Indexed: 02/03/2023]
Abstract
OBJECTIVE The ACE insertion/deletion (I/D) polymorphism has been widely studied in people with diabetes, albeit not with regard to lower-limb amputation (LLA). We examined associations among this polymorphism, plasma ACE concentration, and LLA in people with type 1 diabetes. RESEARCH DESIGN AND METHODS ACE I/D genotype and plasma ACE were assessed in three prospective cohorts of participants with type 1 diabetes. LLA was defined as minor (below-the-ankle amputation consisting of at least one ray metatarsal resection) or major (transtibial or transfemoral) amputation. Linear, logistic, and Cox regression models were computed to evaluate the likelihood of prevalent and incident LLA by ACE genotype (XD [ID or ID] vs. II) and plasma ACE, after adjusting for confounders. RESULTS Among 1,301 participants (male 54%, age 41 ± 13 years), 90 (6.9%) had a baseline history of LLA. Baseline LLA was more prevalent in XD (7.4%) than in II genotype (4.5%, odds ratio [OR] 2.17 [95 %CI 1.03-4.60]). Incident LLA occurred in 53 individuals during the 14-year follow-up and was higher in XD versus II carriers (hazard ratio 3.26 [95% CI 1.16-13.67]). This association was driven by excess risk of minor, but not major, LLA. The D allele was associated with increased prevalent LLA at the end of follow-up (OR 2.48 [1.33-4.65]). LLA was associated with higher mean (95% CI) ACE levels in II (449 [360, 539] vs. 354 [286, 423] ng/mL), but not XD (512 [454, 570] vs. 537 [488, 586]), carriers. CONCLUSIONS This report is the first of an independent association between ACE D allele and excess LLA risk, mainly minor amputations, in patients with type 1 diabetes.
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Affiliation(s)
- Kamel Mohammedi
- Department of Endocrinology, Diabetes and Nutrition, Bordeaux University Hospital, Hôpital Haut-Lévêque, Pessac, France.,Faculty of Medicine, University of Bordeaux, Bordeaux, France.,Biology of Cardiovascular Diseases, INSERM U1034, Pessac, France
| | - Yawa Abouleka
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France.,Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, AP-HP, Paris, France
| | - Charlyne Carpentier
- Service d'Endocrinologie Diabétologie Nutrition, CHU d'Angers, Angers, France
| | - Louis Potier
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France.,Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, AP-HP, Paris, France
| | - Severine Dubois
- Service d'Endocrinologie Diabétologie Nutrition, CHU d'Angers, Angers, France
| | - Ninon Foussard
- Department of Endocrinology, Diabetes and Nutrition, Bordeaux University Hospital, Hôpital Haut-Lévêque, Pessac, France.,Faculty of Medicine, University of Bordeaux, Bordeaux, France
| | - Vincent Rigalleau
- Department of Endocrinology, Diabetes and Nutrition, Bordeaux University Hospital, Hôpital Haut-Lévêque, Pessac, France.,Faculty of Medicine, University of Bordeaux, Bordeaux, France
| | - Jean-François Gautier
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France.,Service de Diabétologie et d'Endocrinologie, Hôpital Lariboisière, AP-HP, Université de Paris, Paris, France
| | - Pierre Gourdy
- Service d'Endocrinologie Diabétologie Nutrition, CHU de Toulouse, Toulouse, France.,Institut des Maladies Métaboliques et Cardiovasculaires, UMR1297 INSERM/UPS, Université Toulouse 3, Toulouse, France
| | - Guillaume Charpentier
- 10Center for Study and Research for Improvement of the Treatment of Diabetes, Bioparc-Génopole Évry-Corbeil, Évry, France
| | - Ronan Roussel
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France.,Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, AP-HP, Paris, France
| | | | | | - Samy Hadjadj
- 13Institut du Thorax, INSERM, CNRS, Université de Nantes, CHU Nantes, Nantes, France
| | - François Alhenc-Gelas
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France
| | - Michel Marre
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France.,14Clinique Ambroise Paré, Neuilly-sur-Seine, France
| | - Gilberto Velho
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France
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6
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Billard P, Guerriau C, Carpentier C, Juillard F, Grandin N, Lomonte P, Kantapareddy P, Dufay N, Barritault M, Rimokh R, Verrelle P, Maucort-Boulch D, Figarella-Branger D, Ducray F, Dehais C, Charbonneau M, Meyronet D, Poncet DA. The TeloDIAG: how telomeric parameters can help in glioma rapid diagnosis and liquid biopsy approaches. Ann Oncol 2021; 32:1608-1617. [PMID: 34690007 DOI: 10.1016/j.annonc.2021.09.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 07/22/2021] [Accepted: 09/05/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND In glioma, TERT promoter mutation and loss of ATRX (ATRX loss) are associated with reactivation of telomerase or alternative lengthening of telomeres (ALT), respectively, i.e. the two telomere maintenance mechanisms (TMM). Strangely, 25% of gliomas have been reported to display neither or both of these alterations. MATERIALS AND METHODS The C-circle (CC) assay was adapted to tumor (formalin-fixed paraffin-embedded and frozen) and blood samples to investigate the TMM. RESULTS We constructed a CC-based algorithm able to identify the TMM and reported a sensitivity of 100% and a specificity of 97.3% (n = 284 gliomas). By combining the TMM, the mutational status of the isocitrate dehydrogenase 1/2 (IDH) gene (IDHmt), and the histological grading, we propose a new classification tool: TeloDIAG. This classification defined five subtypes: tOD, tLGA, tGBM_IDHmt, tGBM, and tAIV, corresponding to oligodendroglioma, IDHmt low-grade astrocytoma, IDHmt glioblastoma, and IDHwt glioblastoma (GBM), respectively; the last class gathers ALT+ IDHwt gliomas that tend to be related to longer survival (21.2 months) than tGBM (16.5 months). The TeloDIAG was 99% concordant with the World Health Organization classification (n = 312), and further modified the classification of 55 of 144 (38%) gliomas with atypical molecular characteristics. As an example, 14 of 69 (20%) of TERTwt, ATRXwt, and IDHwt GBM were actually tAIV. Outstandingly, CC in blood sampled from IDHmt astrocytoma patients was detected with a sensitivity of 56% and a specificity of 97% (n = 206 gliomas and 30 healthy donors). CONCLUSION The TeloDIAG is a new, simple, and effective tool helping in glioma diagnosis and a promising option for liquid biopsy.
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Affiliation(s)
- P Billard
- Institut de Pathologie Est, Hospices Civils de Lyon, Lyon, France; Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U 1217, Institut NeuroMyoGène (INMG), Neuron-Muscle Interaction Team, Lyon, France
| | - C Guerriau
- Institut de Pathologie Est, Hospices Civils de Lyon, Lyon, France
| | - C Carpentier
- Sorbonne Universités, UPMC Univ Paris 06 UMR S 1127, Inserm U 1127, CNRS UMR 7225, ICM, Paris, France
| | - F Juillard
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U 1217, LabEx DEVweCAN, Institut NeuroMyoGène (INMG), Team Chromatin Dynamics, Nuclear Domains, Virus, Lyon, France
| | - N Grandin
- GReD Institute, CNRS UMR6293, INSERM U1103, University Clermont Auvergne, Faculty of Medicine, Clermont-Ferrand, France
| | - P Lomonte
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U 1217, LabEx DEVweCAN, Institut NeuroMyoGène (INMG), Team Chromatin Dynamics, Nuclear Domains, Virus, Lyon, France
| | | | - N Dufay
- Hospices Civils de Lyon, Lyon, France
| | - M Barritault
- Institut de Pathologie Est, Hospices Civils de Lyon, Lyon, France
| | - R Rimokh
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Lyon, France
| | - P Verrelle
- GReD Institute, CNRS UMR6293, INSERM U1103, University Clermont Auvergne, Faculty of Medicine, Clermont-Ferrand, France
| | - D Maucort-Boulch
- Biostatistics and Bioinformatics Department of the Hospices Civils de Lyon, Lyon, France
| | - D Figarella-Branger
- Aix-Marseille Univ, CNRS, INP, Inst. Neurophysiopathol, Marseille, France; AP-HM, CHU Timone, Service d'Anatomie Pathologique et de Neuropathologie, Centre de Ressources Biologiques CRB-TBM, Marseille, France
| | - F Ducray
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Lyon, France; Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
| | - C Dehais
- Sorbonne Université, Inserm, CNRS, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix, Service de Neurologie 2-Mazarin, Paris, France
| | - M Charbonneau
- GReD Institute, CNRS UMR6293, INSERM U1103, University Clermont Auvergne, Faculty of Medicine, Clermont-Ferrand, France
| | - D Meyronet
- Institut de Pathologie Est, Hospices Civils de Lyon, Lyon, France; Univ Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Lyon, France
| | - D A Poncet
- Institut de Pathologie Est, Hospices Civils de Lyon, Lyon, France; Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U 1217, Institut NeuroMyoGène (INMG), Neuron-Muscle Interaction Team, Lyon, France.
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7
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Billard P, Guerriau C, Carpentier C, Juillard F, Grandin N, Lomonte P, Kantapareddy P, Barritault M, Rimokh R, Verrelle P, Maucort-Boulch D, Figarella-Branger D, Ducray F, Dehais C, Charbonneau M, Meyronet D, Poncet DA. OS02.6.A The TeloDIAG: How telomeric parameters can help in glioma rapid diagnosis and liquid biopsies approaches. Neuro Oncol 2021. [DOI: 10.1093/neuonc/noab180.015] [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] [Indexed: 11/14/2022] Open
Abstract
Abstract
BACKGROUND
The integration of molecular markers into the WHO 2016 classification has clarified the complex diagnosis of gliomas. Among these biomarkers, the TERT promoter mutation and the loss of ATRX (ATRX loss) are mutually exclusive alterations associated with re-activation of telomerase or alternative lengthening of telomeres (ALT), respectively. Strangely, 25% of gliomas display neither or both these alterations, a situation referred to as abnormal telomere maintenance mechanism (aTMM).
MATERIAL AND METHODS
To investigate the TMM actually involved in gliomas, the C-circle (CC) assay was adapted to tumor (FFPE and frozen) samples.
RESULTS
We constructed a CC-based algorithm able to identify the TMM of 284 gliomas with either TERT or ATRX alteration, with a sensitivity of 100% and a specificity of 97.3%, and succeeded in deciphering the TMM involved in 122 aTMM gliomas. Additionally, the combination of the TMM, the mutational status of the Isocitrate dehydrogenase 1/2 (IDH) gene, and the histological grading was used as base for a new classification: TeloDIAG. Six subtypes are defined in this classification: tOD, tLGA, tGBM_IDHmt, tGBM, and tAIV, corresponding to oligodendroglioma, IDHmt low grade astrocytoma, IDHmt glioblastoma, and IDHwt glioblastoma, respectively, the last class gathers ALT+ IDHwt glioma. The TeloDIAG diagnosis is 99% concordant with the WHO classification for glioma displaying typical molecular characteristics (N=312). It modified the classification of 38% (N=156) discordant tumors, such as IDHwt Astrocytoma, aTMM tumors, or gliomas with unexpected TMM (e.g. TERTwt oligodendroglioma, ATRX loss GBM). Interestingly, 20% (N=69) of TERTwt, ATRXwt, or IDHwt GBM were actually tAIV, which is remarkable as tAIV-glioma patients’ survival tended to be longer (21.2 months) than tGBM patients’ survival (16.5 months). Importantly, CC in blood sampled from IDHmt astrocytoma patients was detected with a sensitivity of 56% and a specificity of 95% (N = 206).
CONCLUSION
In sum, the TeloDIAG is a new, simple, and efficient tool helping in glioma diagnosis and a promising option for liquid biopsy
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Affiliation(s)
- P Billard
- Hospices Civils de Lyon, BRON, France
| | | | - C Carpentier
- Inserm U 1127, CNRS UMR 7225, ICM, Paris, France
| | - F Juillard
- CNRS UMR 5310, INSERM U 1217, LabEx DEVweCAN, INMG, team Chromatin Dynamics, Nuclear Domains, Virus, Lyon, France
| | - N Grandin
- GReD Institute, CNRS UMR6293, INSERM U1103, University Clermont Auvergne, Faculty of Medicine, Clermont-Ferrand, France
| | - P Lomonte
- CNRS UMR 5310, INSERM U 1217, LabEx DEVweCAN, Institut NeuroMyoGène (INMG), team Chromatin Dynamics, Nuclear Domains, Virus, Lyon, France
| | | | - M Barritault
- Institut de Pathologie Est, Hospices Civils de Lyon de Lyon, BRON, France
| | - R Rimokh
- INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Lyon, France
| | - P Verrelle
- GReD Institute, CNRS UMR6293, INSERM U1103, University Clermont Auvergne, Faculty of Medicine, BRON, France
| | - D Maucort-Boulch
- Biostatistic and Bioinformatic department of the Hospices Civils de Lyon, Lyon, France
| | - D Figarella-Branger
- AP-HM, CHU Timone, Service d’Anatomie Pathologique et de Neuropathologie, Marseille, France
| | - F Ducray
- Hospices Civils de Lyon, Hôpital Neurologique and INSERM 1052, CNRS 5286, Centre Léon Bérard, BRON, France
| | - C Dehais
- Sorbonne Université, Inserm, CNRS, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière, Paris, France
| | - M Charbonneau
- GReD Institute, CNRS UMR6293, INSERM U1103, University Clermont Auvergne, Faculty of Medicine, BRON, France
| | - D Meyronet
- Institut de Pathologie Est, Hospices Civils de Lyon de Lyon and, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Lyon, France
| | - D A Poncet
- Institut de Pathologie Est, Hospices Civils de Lyon de Lyon and Neuron-Muscle interaction, Institut NeuroMyoGene (INMG), UMR 5310, INSERM 1217, BRON, France
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8
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Peiffer-Smadja N, Bridier-Nahmias A, Carpentier C, Garé M, Rioux C, Allemand A, Kramer L, Descamps D, Yazdanpanah Y, Visseaux B. Émergence de variants E484 K suite à une monothérapie bamlanivimab chez des patients COVID-19 à haut risque d’évolution vers une forme sévère. Infect Dis Now 2021. [PMCID: PMC8327506 DOI: 10.1016/j.idnow.2021.06.072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Introduction En France, une Autorisation d’Utilisation Temporaire de cohorte (ATUc) a été délivrée le 27/02/2021 pour l’utilisation du bamlanivimab en monothérapie dans le traitement précoce (< 5 jours du début des symptômes) de patients adultes avec un COVID-19 léger à modéré confirmé par PCR et à haut risque d’évolution vers une forme sévère. Les patients concernés étaient les patients de > 80 ans ou les patients de < 80 ans immunodéprimés (transplantation, chimiothérapie, traitement immunosuppresseur). Le risque d’émergence de variants potentiellement résistants à un monothérapie par anticorps monoclonal anti-Spike, en particulier les variants E484 K, avait été pris en compte lors de l’ATUc. Cependant, le bénéfice potentiel de ces traitements chez les patients à haut risque a été considéré comme supérieur au risque. Ici nous décrivons 6 patients ayant reçu de ce traitement, leur évolution et l’émergence de mutations de résistance sous pression de sélection. Matériels et méthodes Il s’agit d’une étude unicentrique en centre hospitalier universitaire. Le bamlanivimab a été administré à une dose unique de 700 mg en injection IV d’une heure chez 6 patients qui ont accepté d’utiliser le traitement dans le cadre de l’ATUc. Le suivi virologique des patients a consisté en un test RT-qPCR itératif réalisé le jour de la perfusion ou la veille, à J3 ± 1, à J5 ± 1, à J7 ± 1 puis tous les 3 jours jusqu’à ce que la PCR soit négative. La sélection de mutation de résistance a été vérifiée par séquençage du génome complet du SARS-CoV-2 chez tous les patients. Résultats Les six hommes traités avaient un âge médian de 65 ans (extrêmes 35-97), plus de 3 comorbidités à haut risque d’évolution vers une forme sévère et 5 étaient infectés par un variant UK (N501Y.V1, B.1.1.7). Le traitement a été administré dans les 4 jours suivant l’apparition des symptômes (médiane 2 jours). Les 6 patients ont eu une évolution clinique favorable, deux ont eu besoin d’oxygène au débit maximal de 4 L/min. Aucun patient n’a eu besoin d’oxygénothérapie haut débit, d’une ventilation non invasive ou d’une ventilation invasive. À J20 après l’administration, un seul présentait une PCR nasopharyngée négative et 5 présentaient l’apparition d’une mutation E484 K à différents moments après l’administration (J6, J7, J12, J14 et J26). Conclusion Chez ces patients à très haut risque d’évolution vers une forme sévère, la sélection de la mutation E484 K après administration de bamlanivimab en monothérapie était très fréquente et bien plus importante qu’observée dans les premiers essais cliniques. Ceci peut être expliqué en partie par l’infection par un variant UK pour 5/6 patients décrits ici. L’émergence de résistance lors des bithérapies devra être suivi attentivement, notamment avec l’émergence des nouveaux variants.
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9
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Abouleka Y, Mohammedi K, Carpentier C, Dubois S, Gourdy P, Gautier JF, Roussel R, Scheen A, Alhenc-Gelas F, Hadjadj S, Velho G, Marre M. ACE I/D Polymorphism, Plasma ACE Levels, and Long-term Kidney Outcomes or All-Cause Death in Patients With Type 1 Diabetes. Diabetes Care 2021; 44:1377-1384. [PMID: 33827803 PMCID: PMC8247517 DOI: 10.2337/dc20-3036] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 02/22/2021] [Indexed: 02/03/2023]
Abstract
OBJECTIVE The deletion (D) allele of the ACE insertion/deletion (I/D) polymorphism is a risk factor for diabetic kidney disease. We assessed its contribution to long-term kidney outcomes and all-cause death in patients with long-standing type 1 diabetes. RESEARCH DESIGN AND METHODS A total of 1,155 participants from three French and Belgian cohorts were monitored for a median duration of 14 (interquartile range 13) years. The primary outcome was the occurrence of end-stage kidney disease (ESKD) or a 40% drop in the estimated glomerular filtration rate (eGFR). Secondary outcomes were the individual components of the primary outcome, rapid decline in eGFR (steeper than -3 mL/min/1.73 m2 per year), incident albuminuria, all-cause death, and a composite ESKD or all-cause death. Hazard ratios (HRs) for XD versus II genotype and for baseline plasma ACE levels were computed by Cox analysis. Genotype performance in stratifying the primary outcome was tested. RESULTS Genotype distribution was 954 XD and 201 II. The primary outcome occurred in 20% of XD and 13% of II carriers: adjusted HR 2.07 (95% CI 1.32-3.40; P = 0.001). Significant associations were also observed for rapid decline in eGFR, incident albuminuria, ESKD, all-cause death, and ESKD or all-cause death. Baseline plasma ACE levels were higher in XD carriers and significantly associated with an increased risk of the primary outcome. The ACE genotype enhanced net reclassification improvement (0.154, 95% CI 0.007-0.279; P = 0.04) and integrated discrimination improvement (0.012, 95%CI 0.001-0.021; P = 0.02) for primary outcome stratification. CONCLUSIONS The D-allele of the ACE I/D polymorphism was associated with an increased risk of major kidney events and all-cause death in patients with long-standing type 1 diabetes.
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Affiliation(s)
- Yawa Abouleka
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France.,Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Kamel Mohammedi
- Bordeaux University and Hospital, INSERM U1219, Bordeaux, France
| | - Charlyne Carpentier
- Service d'Endocrinologie Diabétologie Nutrition, CHU d'Angers, Angers, France
| | - Severine Dubois
- Service d'Endocrinologie Diabétologie Nutrition, CHU d'Angers, Angers, France
| | - Pierre Gourdy
- Service d'Endocrinologie Diabétologie Nutrition, CHU de Toulouse, Toulouse, France.,Institut des Maladies Métaboliques et Cardiovasculaires, UMR1048 INSERM/UPS, Université Toulouse III - Paul Sabatier, Toulouse, France
| | - Jean-François Gautier
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France.,Service de Diabétologie et d'Endocrinologie, Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Université de Paris, Paris, France
| | - Ronan Roussel
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France.,Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, Assistance Publique-Hôpitaux de Paris, Paris, France
| | | | - François Alhenc-Gelas
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France
| | - Samy Hadjadj
- Institut du Thorax, INSERM, CNRS, Université de Nantes, CHU Nantes, Nantes, France
| | - Gilberto Velho
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France
| | - Michel Marre
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France .,Clinique Ambroise Paré, Neuilly-sur-Seine, France
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10
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Mortuaire G, Gengler I, Carpentier C, Szymanski C, Chenivesse C, Lefevre G. T helper 2 inflammatory markers are associated with recurrence in chronic rhinosinusitis with nasal polyps after endoscopic sinus surgery. Rhinology 2021; 58:444-450. [PMID: 32369537 DOI: 10.4193/rhin19.439] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Despite maximum medical treatment and endoscopic sinus surgery (ESS), chronic rhinosinusitis with nasal polyps (CRSwNP) can require revision surgery. With a growing literature on the diversity of cytokine inflammation patterns in CRSwNP, an endotype-driven approach could lead to the identification of cytokine profiles that predict recurrence. METHODS A monocentric longitudinal study was carried out until June 2019 following CRSwNP patients who underwent surgery for the first time between December 2010 and January 2012. The biomarker profiles were established on blood and nasal secretions at the time of the first surgery (Interleukin (IL)-5, IgE, IgA, eosinophilic cationic protein (ECP) and eosinophilic- derived neurotoxin (EDN)). Profiles were compared between the patients still controlled by medical treatment and the patients requiring revision surgery during the course of the follow-up period. RESULTS Among the 48 patients initially enrolled in our study, 8 required revision surgery (16,7%). Clinical features (asthma, allergy, aspirin intolerance, active smoking) and levels of blood markers measured at the time of the first surgery were comparable between the 2 groups of patients. Levels of IL-5, IgE and ECP in nasal secretions were significantly increased in the group of patients needing revision surgery. CONCLUSIONS Based on simple approach of nasal secretions sampling, we showed that a predominant T helper 2 proteins expression profile can be associated with recurrent CRSwNP after ESS. Initial immunoprofiling in CRSwNP disease may contribute to better predict the therapeutic response to optimal medical and surgical treatment, and help define the role of innovative targeted treatment, beside corticosteroids and ESS.
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Affiliation(s)
- G Mortuaire
- Otorhinolaryngology - Head and Neck Department, Huriez Hospital, CHU Lille, France; Lille Inflammation Research International Center - Inserm U995, University of Lille, France
| | - I Gengler
- Otorhinolaryngology - Head and Neck Department, Huriez Hospital, CHU Lille, France
| | - C Carpentier
- Otorhinolaryngology - Head and Neck Department, Huriez Hospital, CHU Lille, France
| | - C Szymanski
- Otorhinolaryngology Head and Neck Department, Huriez Hospital, CHU Lille, France
| | - C Chenivesse
- Pneumology and Allergology Department, Calmette Hospital, CHU Lille, 59000 Lille, France
| | - G Lefevre
- Otorhinolaryngology - Head and Neck Department, Huriez Hospital, CHU Lille, France; Lille Inflammation Research International Center - Inserm U995, University of Lille, France; Medicine and Clinical Immunology Department, National Reference Center of Hypereosinophilic Syndromes, CHU Lille, France
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11
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Poetsch L, Bronnimann C, Loiseau H, Frénel JS, Siegfried A, Seizeur R, Gauchotte G, Cappellen D, Carpentier C, Figarella-Branger D, Eimer S, Meyronet D, Ducray F. Characteristics of IDH-mutant gliomas with non-canonical IDH mutation. J Neurooncol 2020; 151:279-286. [PMID: 33205355 DOI: 10.1007/s11060-020-03662-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [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: 09/21/2020] [Accepted: 11/09/2020] [Indexed: 01/16/2023]
Abstract
BACKGROUND Approximately 10% of IDH-mutant gliomas harbour non-canonical IDH mutations (non-p.R132H IDH1 and IDH2 mutations). OBJECTIVE The aim of this study was to analyse the characteristics of non-canonical IDH-mutant gliomas. MATERIALS AND METHODS We retrospectively analysed the characteristics of 166 patients with non-canonical IDH mutant gliomas and compared them to those of 155 consecutive patients with IDH1 p.R132H mutant gliomas. RESULTS The median age at diagnosis was 38 years in patients with non-canonical IDH mutant gliomas and 43 years in glioma patients with IDH1 p.R132H-mutant tumours. Family history of cancer was more frequent among glioma patients harbouring non-canonical IDH mutations than in patients with IDH1 p.R132H mutations (22.2% vs 5.1%; P < 0.05). Tumours were predominantly localised in the frontal lobe regardless of the type of IDH mutation. Compared to IDH1 p.R132H-mutant gliomas, tumours with non-canonical IDH mutations were more frequently found in the infratentorial region (5.5% vs 0%; P < 0.05) and were often multicentric (4.8% vs 0.9%; P < 0.05). Compared to IDH1 P.R132H-mutant gliomas, tumours with non-canonical IDH1 mutations were more frequently astrocytomas (65.6% vs 43%, P < 0.05), while those with IDH2 mutations were more frequently oligodendrogliomas (85% vs 48.3%; P < 0.05). The median overall survival was similar in patients with IDH1 p.R132H-mutant gliomas and patients with non-canonical IDH-mutant gliomas. CONCLUSION Gliomas with non-canonical IDH mutations have distinct radiological and histological characteristics. The presence of such tumours seems to be associated with genetic predisposition to cancer development.
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Affiliation(s)
- L Poetsch
- Service d'Oncologie Médicale, CHU de Bordeaux- Hôpital Saint André, 33000, Bordeaux, France
| | - C Bronnimann
- Service d'Oncologie Médicale, CHU de Bordeaux- Hôpital Saint André, 33000, Bordeaux, France.
| | - H Loiseau
- Service de Neurochirurgie B, CHU de Bordeaux - Hôpital Pellegrin, 33076, Bordeaux, France.,EA 7435 - IMOTION (Imagerie moléculaire et thérapies innovantes en oncologie) Université de Bordeaux, 33076, Bordeaux, France
| | - J S Frénel
- Institut de Cancérologie de l'Ouest, Centre René Gauducheau, 44800, Saint Herblain, France
| | - A Siegfried
- Service de Pathologie, Institut Universitaire du Cancer de Toulouse Oncopole, Toulouse, France
| | - R Seizeur
- Service de Neurochirurgie, Hôpital de la Cavale Blanche, CHRU de Brest, Université de Brest, Brest, France
| | - G Gauchotte
- Service d'Anatomie et Cytologie Pathologiques, CRB BB-0033-00035, CHRU de Nancy, INSERM U1256, Université de Lorraine, 54500, Vandœuvre-lès-Nancy, France
| | - D Cappellen
- U1035 Inserm - Biothérapie des Maladies Génétiques, Inflammatoires et Cancers (BMGIC), Univ. Bordeaux, 33076, Bordeaux, France.,Service de Biologie des Tumeurs, CHU de Bordeaux - Hôpital du Haut Lévêque, 33604, Pessac, France
| | - C Carpentier
- AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière - Charles Foix, Service de Neurologie 2-Mazarin, Sorbonne Université, Inserm, CNRS, UMR S 1127, Institut du Cerveau et de la Moelle Epiniere, ICM, 75013, Paris, France
| | - D Figarella-Branger
- Aix-Marseille Univ, APHM, CNRS, INP, Inst Neurophysiopathol, CHU Timone, Service d'Anatomie Pathologique et de Neuropathologie, Marseille, France
| | - S Eimer
- Service de Pathologie, CHU de Bordeaux, Hôpital Pellegrin, 33076, Bordeaux, France
| | - D Meyronet
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR 5286, Cancer Cell Plasticity department, Université Claude Bernard Lyon 1, Lyon, France.,Neuro-oncology Department, Hospices Civils de Lyon, Lyon, France
| | - F Ducray
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR 5286, Cancer Cell Plasticity department, Université Claude Bernard Lyon 1, Lyon, France.,Neuro-oncology Department, Hospices Civils de Lyon, Lyon, France
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12
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Carpentier C, Dubois S, Mohammedi K, Belhatem N, Bouhanick B, Rohmer V, Briet C, Bumbu A, Hadjadj S, Roussel R, Potier L, Velho G, Marre M. Glycosuria amount in response to hyperglycaemia and risk for diabetic kidney disease and related events in Type 1 diabetic patients. Nephrol Dial Transplant 2020; 34:1731-1738. [PMID: 29982607 DOI: 10.1093/ndt/gfy197] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Accepted: 05/15/2018] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND Hyperglycaemia impairs tubulo-glomerular feedback. We tested whether variable tubulo-glomerular feedback during hyperglycaemia contributes to renal risk heterogeneity seen in Type 1 diabetes. METHODS During the period 1990-92, we studied the tubulo-glomerular feedback in Type 1 diabetic patients at high or low renal risk [21 of 54 with glomerular hyperfiltration and/or microalbuminuria against 11 of 55 with normal glomerular filtration rate (GFR) and urinary albumin despite uncontrolled diabetes]. The GFR, effective renal plasma flow, mean arterial pressure and fractional reabsorptions of glucose, osmols, sodium and lithium were measured sequentially during normo- and hyperglycaemia. All patients were followed up until 2016 for incident proteinuria, estimated GFR <60 mL/min/1.73 m2, doubling of serum creatinine, end-stage renal disease or all-cause death. RESULTS Glycaemia increased from 6.1 ± 1.3 to 15.1 ± 1.9 mmol/L in both high-risk and low-risk patients. Glycosuria was lower in the high- versus low-risk patients: 0.34 ± 0.25 versus 0.64 ± 0.44 mmol/min (P = 0.03). Both groups displayed similar kidney function during normoglycaemia. Hyperglycaemia increased more importantly GFR and fractional reabsorptions, and pre-glomerular vasodilatation in the high- than in the low-risk patients (all P < 0.05). Over 21 years, 31.5% high- versus 12.7% low-risk patients developed endpoints (adjusted P = 0.006). In a multi-adjusted survival analysis of patients having undergone renal tests, each 0.10 mmol/min glycosuria during hyperglycaemia reduced the outcome risk by 0.72 (95% confidence interval 0.49-0.97, P = 0.03). CONCLUSIONS Reduced tubulo-glomerular feedback and glycosuria during hyperglycaemia indicate high renal risk for Type 1 diabetic patients. Inter-individual variability in tubulo-glomerular feedback activity determines renal risk in Type 1 diabetes.
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Affiliation(s)
- Charlyne Carpentier
- Centre Hospitalier Universitaire d'Angers, Service EDN, Angers, France.,INSERM, UMRS 1063, SOPAM, Université d'Angers, Angers, France
| | - Séverine Dubois
- Centre Hospitalier Universitaire d'Angers, Service EDN, Angers, France.,INSERM, UMRS 1063, SOPAM, Université d'Angers, Angers, France
| | - Kamel Mohammedi
- Hôpital Haut-Lévêque, Service d'Endocrinologie, Diabétologie, Nutrition, Bordeaux, France.,Université de Bordeaux, Faculté de Médecine Paul Broca, Bordeaux, France.,Centre de Recherche INSERM-Université de Bordeaux U1219 'Bordeaux Population Health', Bordeaux, France
| | - Narimène Belhatem
- Assistance Publique-Hôpitaux de Paris (AP-HP), Bichat Hospital, DHU FIRE, Department of Diabetology, Endocrinology and Nutrition, Paris, France
| | - Béatrice Bouhanick
- Centre Hospitalier Universitaire Rangueil, Service d'Hypertension et de Thérapeutique, TSA, Toulouse, France.,INSERM UMRS 1027, Université Toulouse 3, Toulouse, France
| | - Vincent Rohmer
- Centre Hospitalier Universitaire d'Angers, Service EDN, Angers, France.,INSERM, UMRS 1063, SOPAM, Université d'Angers, Angers, France
| | - Claire Briet
- Centre Hospitalier Universitaire d'Angers, Service EDN, Angers, France.,INSERM, UMRS 1063, SOPAM, Université d'Angers, Angers, France
| | - Anisoara Bumbu
- Assistance Publique-Hôpitaux de Paris (AP-HP), Bichat Hospital, DHU FIRE, Department of Diabetology, Endocrinology and Nutrition, Paris, France
| | - Samy Hadjadj
- INSERM, CIC 0802, Poitiers, France.,Université de Poitiers, UFR de Médecine et Pharmacie, Poitiers, France.,INSERM, Research Unit 1082, Poitiers, France.,Centre Hospitalier Universitaire de Poitiers, Department of Endocrinology and Diabetology, Poitiers, France
| | - Ronan Roussel
- Assistance Publique-Hôpitaux de Paris (AP-HP), Bichat Hospital, DHU FIRE, Department of Diabetology, Endocrinology and Nutrition, Paris, France.,Université Paris Diderot, Sorbonne Paris Cité, UFR de Médecine, Paris, France.,Inserm Research Unit 1138, Centre de Recherche des Cordeliers, Paris, France
| | - Louis Potier
- Assistance Publique-Hôpitaux de Paris (AP-HP), Bichat Hospital, DHU FIRE, Department of Diabetology, Endocrinology and Nutrition, Paris, France.,Université Paris Diderot, Sorbonne Paris Cité, UFR de Médecine, Paris, France.,Inserm Research Unit 1138, Centre de Recherche des Cordeliers, Paris, France
| | - Gilberto Velho
- Inserm Research Unit 1138, Centre de Recherche des Cordeliers, Paris, France
| | - Michel Marre
- Assistance Publique-Hôpitaux de Paris (AP-HP), Bichat Hospital, DHU FIRE, Department of Diabetology, Endocrinology and Nutrition, Paris, France.,Université Paris Diderot, Sorbonne Paris Cité, UFR de Médecine, Paris, France.,Inserm Research Unit 1138, Centre de Recherche des Cordeliers, Paris, France
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13
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Younan N, Douzane H, Duran-Pena A, Nichelli L, Garcilazo Y, Dehais C, Ducray F, Carpentier C, Mokhtari K, Figarella-Branger D, Delattre J, Idbaih A, Alentorn A. OS9.2 Radiomics analysis of lower-grade gliomas, a POLA Network study. Neuro Oncol 2019. [DOI: 10.1093/neuonc/noz126.060] [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] [Indexed: 11/14/2022] Open
Abstract
Abstract
BACKGROUND
Lower-grade gliomas (LGG) are divided into three histo-molecular groups: i) IDH-wildtype, ii) IDH mutant and 1p19q intact and iii) IDH mutant and 1p19q co-deleted. The current classification has improved the clinical stratification and its reproducibility. However, LGGs are still associated with an important degree of clinical heterogeneity. We sought to analyze the cross-talk between the spatial distribution and the quantitative imaging features (radiomics) with the clinical evolution and their molecular background (radiogenomics).
MATERIAL AND METHODS
We performed a retrospective multicentric study from 4 cohorts of high-grades gliomas (POLA Network, TCGA, REMBRANDT and LGG-1p19q), totaling 900 gliomas. We performed N4 and WhiteStripe imaging corrections to standardize MRI intensities. We used ITK-SNAP to obtain a mask of the different habitats of the tumor. Then we used PyRadiomics to obtain 2616 radiomic features per sample. We used plsRcox for fitting several Cox model in high-dimensional settings. We assessed the performance of the difference Cox model with the Harrel’s concordance index. We used a Sparse Canonical Correlation analysis to analyze the spatial distribution of the tumors.
RESULTS
Radiomics features allow identification in an unsupervised manner IDH-mutant gliomas with a median AUC of 0.96 [0.92–0.98]. Interestingly, in the analysis of survival, radiomics features provided additional information to clinical or genetics covariates and the model with only radiomics features obtained a C-Index of 0.78 [0.72–0.82]. In addition, survival model with the best performance in the prediction of overall survival was the one combining radiomics, clinics and genetics features with a C-Index 0.85 [0.82–0.92] and was validated in the other cohorts. The analysis of spatial distribution showed a very strong distribution of 1p19q co-deleted oligodendrogliomas in the frontal lobes.
CONCLUSION
Radiomics features may provide additional relevant clinical information by improving the prognosis of LGG. Radiomics allow non-invasive prediction of the most relevant molecular alterations of LGG.
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Affiliation(s)
- N Younan
- Sorbonne Université, Inserm, CNRS, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière - Charles Foix, Service de Neurologie 2-Mazarin, Paris, France
| | - H Douzane
- Sorbonne Université, Inserm, CNRS, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière - Charles Foix, Service de Neurologie 2-Mazarin, Paris, France
| | - A Duran-Pena
- Sorbonne Université, Inserm, CNRS, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière - Charles Foix, Service de Neurologie 2-Mazarin, Paris, France
| | - L Nichelli
- Department of Neuroradiology, Hôpitaux Universitaires La Pitié Salpêtrière - Charles Foix, AP-HP, Sorbonne Université, Inserm, CNRS, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Paris, France
| | - Y Garcilazo
- Sorbonne Université, Inserm, CNRS, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière - Charles Foix, Service de Neurologie 2-Mazarin, Paris, France
| | - C Dehais
- Sorbonne Université, Inserm, CNRS, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière - Charles Foix, Service de Neurologie 2-Mazarin, Paris, France
| | - F Ducray
- Department of Neuro-oncology, Hospices Civils de Lyon, Groupe Hos-pitalier Est, Lyon, France and Université Claude Bernard Lyon 1, Lyon, France
| | - C Carpentier
- Sorbonne Université, Inserm, CNRS, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Paris, France
| | - K Mokhtari
- Department of Neuropathology, Institut du Cerveau et de la Moelle Épinière, ICM, AP-HP, Sorbonne Université, INSERM, CNRS, UMR S 1127, Hôpitaux Universitaires La Pitié Salpêtrière - Charles Foix, Paris, France
| | - D Figarella-Branger
- Aix-Marseille Univ, APHM, CNRS, Institut de Neurophysiopathologie, Hôpital de la Timone, Service d’Anatomie Pathologique et de Neuropathologie, Marseille, France
| | - J Delattre
- Sorbonne Université, Inserm, CNRS, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière - Charles Foix, Service de Neurologie 2-Mazarin, Paris, France
| | - A Idbaih
- Sorbonne Université, Inserm, CNRS, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière - Charles Foix, Service de Neurologie 2-Mazarin, Paris, France
| | - A Alentorn
- Sorbonne Université, Inserm, CNRS, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière - Charles Foix, Service de Neurologie 2-Mazarin, Paris, France
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14
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Poetsch L, Dehais C, Frénel J, Siegfried A, Lacomme S, Seizeur R, Larrieu-Ciron D, Cappellen D, Loussouarn D, Ferec C, Eimer S, Carpentier C, Sanson M, Delattre J, Figarella-Branger D, Ducray F, Bronnimann C. P04.12 Characteristics of IDH-mutant gliomas with non-canonical IDH mutations. Neuro Oncol 2019. [DOI: 10.1093/neuonc/noz126.107] [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] [Indexed: 11/14/2022] Open
Abstract
Abstract
BACKGROUND
About 10% of IDH-mutant gliomas harbor non-canonical IDH mutations (non-R132H IDH1 and IDH2 mutations). The aim of the present study was to analyze the characteristics of these gliomas in comparison to those of IDH1 R132H mutant gliomas.
MATERIAL AND METHODS
We retrospectively analyzed the characteristics of a multicentric series of 161 gliomas with non-canonical IDH mutations and compared them to those of consecutive series of 109 IDH1 R132H mutant gliomas. Medical, radiological and pathological were reviewed.
RESULTS
Median age at diagnosis was 35 years in gliomas with a non-canonical IDH1 mutation, 42 years in those with an IDH2 mutation and 44 years in those with an IDH1R132H mutation. A familial history of cancer was more frequent in gliomas with a non-canonical IDH mutation than in those with an IDH1 R132H mutation (22,3% vs 5,5%, p<0.05). In both IDH1 R132H-mutant and non-canonical IDH-mutant gliomas the most frequent location was the frontal lobe. Yet, compared to IDH1R132H-mutant gliomas those with a non-canonical IDH mutation had more frequently an infratentorial location (5,5% vs 0% p<0,05) and were more frequently multicentric (4,9%, versus 0.9%, p<0.05). Compared to IDH1R132H-mutant gliomas, gliomas with a non-canonical IDH1 mutation were more frequently astrocytomas (65.7% vs 45%, p<0.05) while those with an IDH2 mutation were more frequently oligodendrogliomas (82% vs 55%, p<0.05). The median overall survival in IDH1 R132H-mutant and non-canonical IDH-mutant gliomas was similar (122 versus 120 months).
CONCLUSION
Gliomas with non-canonical IDH mutations are associated with distinct clinical, radiological and histological characteristics. Their prognosis, however, is similar to that of gliomas with canonical IDH mutations.
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Affiliation(s)
| | | | - J Frénel
- Institut de Cancérologie de l’Ouest, Saint Herblain, France
| | | | | | | | | | | | - D Loussouarn
- Institut de Cancérologie de l’Ouest, Saint Herblain, France
| | | | - S Eimer
- CHU Pellegrin, BORDEAUX, France
| | | | | | | | | | - F Ducray
- Hopital Neurologique, Lyon, France
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15
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Alentorn A, Labreche K, Dehais C, Carpentier C, Ducray F, Mokhtari K, Figarella-Branger D, Sanson M, Delattre J, Idbaih A. P01.148 Intra-tumor heterogeneity analysis of low-grade gliomas. A POLA Network study. Neuro Oncol 2018. [DOI: 10.1093/neuonc/noy139.190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- A Alentorn
- Assistance Publique-Hôpitaux de Paris, Groupe Hospitalier Pitié-Salpêtrière, Department of Neurology, Paris, France
- Sorbonne Universités, UPMC, Univ Paris 06 UMR S 1127, Inserm 1127, CNRS UMR, ICM, Paris, France
| | - K Labreche
- Sorbonne Universités, UPMC, Univ Paris 06 UMR S 1127, Inserm 1127, CNRS UMR, ICM, Paris, France
- Division of Genetics and Epidemiology, The Institute of Cancer Research, London, United Kingdom
| | - C Dehais
- Assistance Publique-Hôpitaux de Paris, Groupe Hospitalier Pitié-Salpêtrière, Department of Neurology, Paris, France
| | - C Carpentier
- Sorbonne Universités, UPMC, Univ Paris 06 UMR S 1127, Inserm 1127, CNRS UMR, ICM, Paris, France
| | - F Ducray
- Department of Neuro-oncology, Groupe Hospitalier Est, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
| | - K Mokhtari
- Laboratoire de Neuropathologie, R Escourolle, AP-HP, Groupe Hospitalier Pitié Salpêtrière, Paris, France
- Sorbonne Universités, UPMC, Univ Paris 06 UMR S 1127, Inserm 1127, CNRS UMR, ICM, Paris, France
| | - D Figarella-Branger
- APHM, Hôpital de la Timone, Service d’Anatomie Pathologique et de Neuropathologie, Marseille, France
- Aix-Marseille Univ, CNRS, INP, Inst Neurophysiopathol, Marseille, France
| | - M Sanson
- Assistance Publique-Hôpitaux de Paris, Groupe Hospitalier Pitié-Salpêtrière, Department of Neurology, Paris, France
- Sorbonne Universités, UPMC, Univ Paris 06 UMR S 1127, Inserm 1127, CNRS UMR, ICM, Paris, France
| | - J Delattre
- Assistance Publique-Hôpitaux de Paris, Groupe Hospitalier Pitié-Salpêtrière, Department of Neurology, Paris, France
- Sorbonne Universités, UPMC, Univ Paris 06 UMR S 1127, Inserm 1127, CNRS UMR, ICM, Paris, France
| | - A Idbaih
- Assistance Publique-Hôpitaux de Paris, Groupe Hospitalier Pitié-Salpêtrière, Department of Neurology, Paris, France
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16
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Alentorn A, Carpentier C, Labreche K, Ducray F, Dehais C, Mokhtari K, Uro-Coste E, Figarella-Branger D, Delattre J, Idbaih A. P06.19 TERT promoter mutation is an independent prognostic factor in 1p/19q co-deleted oligodendrogliomas: a POLA network study. Neuro Oncol 2016. [DOI: 10.1093/neuonc/now188.110] [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: 11/14/2022] Open
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17
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Carpentier C, Ghanem D, Fernandez-Gomez FJ, Jumeau F, Philippe JV, Freyermuth F, Labudeck A, Eddarkaoui S, Dhaenens CM, Holt I, Behm-Ansmant I, Marmier-Gourrier N, Branlant C, Charlet-Berguerand N, Marie J, Schraen-Maschke S, Buée L, Sergeant N, Caillet-Boudin ML. Tau exon 2 responsive elements deregulated in myotonic dystrophy type I are proximal to exon 2 and synergistically regulated by MBNL1 and MBNL2. Biochim Biophys Acta Mol Basis Dis 2014; 1842:654-64. [PMID: 24440524 DOI: 10.1016/j.bbadis.2014.01.004] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Revised: 12/09/2013] [Accepted: 01/07/2014] [Indexed: 01/21/2023]
Abstract
The splicing of the microtubule-associated protein Tau is regulated during development and is found to be deregulated in a growing number of pathological conditions such as myotonic dystrophy type I (DM1), in which a reduced number of isoforms is expressed in the adult brain. DM1 is caused by a dynamic and unstable CTG repeat expansion in the DMPK gene, resulting in an RNA bearing long CUG repeats (n>50) that accumulates in nuclear foci and sequesters CUG-binding splicing factors of the muscle blind-like (MBNL) family, involved in the splicing of Tau pre-mRNA among others. However, the precise mechanism leading to Tau mis-splicing and the role of MBNL splicing factors in this process are poorly understood. We therefore used new Tau minigenes that we developed for this purpose to determine how MBNL1 and MBNL2 interact to regulate Tau exon 2 splicing. We demonstrate that an intronic region 250 nucleotides downstream of Tau exon 2 contains cis-regulatory splicing enhancers that are sensitive to MBNL and that bind directly to MBNL1. Both MBNL1 and MBNL2 act as enhancers of Tau exon 2 inclusion. Intriguingly, the interaction of MBNL1 and MBNL2 is required to fully reverse the mis-splicing of Tau exon 2 induced by the trans-dominant effect of long CUG repeats, similar to the DM1 condition. In conclusion, both MBNL1 and MBNL2 are involved in the regulation of Tau exon 2 splicing and the mis-splicing of Tau in DM1 is due to the combined inactivation of both.
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Affiliation(s)
- C Carpentier
- Inserm UMR837-1 and Univ. Lille Nord de France, Jean-Pierre Aubert Research Center, Alzheimer & Tauopathies, F-59045 Lille, France; Regional University Hospital of Lille, France
| | - D Ghanem
- Inserm UMR837-1 and Univ. Lille Nord de France, Jean-Pierre Aubert Research Center, Alzheimer & Tauopathies, F-59045 Lille, France; Regional University Hospital of Lille, France
| | - F J Fernandez-Gomez
- Inserm UMR837-1 and Univ. Lille Nord de France, Jean-Pierre Aubert Research Center, Alzheimer & Tauopathies, F-59045 Lille, France; Regional University Hospital of Lille, France
| | - F Jumeau
- Inserm UMR837-1 and Univ. Lille Nord de France, Jean-Pierre Aubert Research Center, Alzheimer & Tauopathies, F-59045 Lille, France; Regional University Hospital of Lille, France
| | - J V Philippe
- Laboratory of Molecular Engineering and Articular Pathophysiology (IMoPA), Nancy University - CNRS, UMR 7214, 7365 Vandoeuvre-les-Nancy, France
| | - F Freyermuth
- Department de Neurobiology & Genetics, IGBMC, Inserm U964, CNRS UMR7104, University of Strasbourg, Illkirch, France
| | - A Labudeck
- Inserm UMR837-1 and Univ. Lille Nord de France, Jean-Pierre Aubert Research Center, Alzheimer & Tauopathies, F-59045 Lille, France; Regional University Hospital of Lille, France
| | - S Eddarkaoui
- Inserm UMR837-1 and Univ. Lille Nord de France, Jean-Pierre Aubert Research Center, Alzheimer & Tauopathies, F-59045 Lille, France; Regional University Hospital of Lille, France
| | - C M Dhaenens
- Inserm UMR837-1 and Univ. Lille Nord de France, Jean-Pierre Aubert Research Center, Alzheimer & Tauopathies, F-59045 Lille, France; Regional University Hospital of Lille, France
| | - I Holt
- Wolfson Centre for Inherited Neuromuscular Disease, RJAH Orthopaedic Hospital, Oswestry, Shropshire, UK; Institute for Science and Technology in Medicine, Keele University, Keele, Staffordshire, UK
| | - I Behm-Ansmant
- Laboratory of Molecular Engineering and Articular Pathophysiology (IMoPA), Nancy University - CNRS, UMR 7214, 7365 Vandoeuvre-les-Nancy, France
| | - N Marmier-Gourrier
- Laboratory of Molecular Engineering and Articular Pathophysiology (IMoPA), Nancy University - CNRS, UMR 7214, 7365 Vandoeuvre-les-Nancy, France
| | - C Branlant
- Laboratory of Molecular Engineering and Articular Pathophysiology (IMoPA), Nancy University - CNRS, UMR 7214, 7365 Vandoeuvre-les-Nancy, France
| | - N Charlet-Berguerand
- Department de Neurobiology & Genetics, IGBMC, Inserm U964, CNRS UMR7104, University of Strasbourg, Illkirch, France
| | - J Marie
- Therapy of muscular diseases - Myology Institute, UPMC Univ. Paris 6, UM76/Inserm, U974/CNRS, UMR 7215, G.H. Pitié-Salpétrière - Bâtiment Babinski, Paris, France
| | - S Schraen-Maschke
- Inserm UMR837-1 and Univ. Lille Nord de France, Jean-Pierre Aubert Research Center, Alzheimer & Tauopathies, F-59045 Lille, France; Regional University Hospital of Lille, France
| | - L Buée
- Inserm UMR837-1 and Univ. Lille Nord de France, Jean-Pierre Aubert Research Center, Alzheimer & Tauopathies, F-59045 Lille, France; Regional University Hospital of Lille, France
| | - N Sergeant
- Inserm UMR837-1 and Univ. Lille Nord de France, Jean-Pierre Aubert Research Center, Alzheimer & Tauopathies, F-59045 Lille, France; Regional University Hospital of Lille, France.
| | - M L Caillet-Boudin
- Inserm UMR837-1 and Univ. Lille Nord de France, Jean-Pierre Aubert Research Center, Alzheimer & Tauopathies, F-59045 Lille, France; Regional University Hospital of Lille, France.
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Adachi K, Sasaki H, Nagahisa S, Yoshida K, Hattori N, Nishiyama Y, Kawase T, Hasegawa M, Abe M, Hirose Y, Alentorn A, Marie Y, Poggioli S, Alshehhi H, Boisselier B, Carpentier C, Mokhtari K, Capelle L, Figarella-Branger D, Hoang-Xuan K, Sanson M, Delattre JY, Idbaih A, Yust-Katz S, Anderson M, Olar A, Eterovic A, Ezzeddine N, Chen K, Zhao H, Fuller G, Aldape K, de Groot J, Andor N, Harness J, Lopez SG, Fung TL, Mewes HW, Petritsch C, Arivazhagan A, Somasundaram K, Thennarasu K, Pandey P, Anandh B, Santosh V, Chandramouli B, Hegde A, Kondaiah P, Rao M, Bell R, Kang R, Hong C, Song J, Costello J, Bell R, Nagarajan R, Zhang B, Diaz A, Wang T, Song J, Costello J, Bie L, Li Y, Li Y, Liu H, Luyo WFC, Carnero MH, Iruegas MEP, Morell AR, Figueiras MC, Lopez RL, Valverde CF, Chan AKY, Pang JCS, Chung NYF, Li KKW, Poon WS, Chan DTM, Wang Y, Ng HAK, Chaumeil M, Larson P, Yoshihara H, Vigneron D, Nelson S, Pieper R, Phillips J, Ronen S, Clark V, Omay ZE, Serin A, Gunel J, Omay B, Grady C, Youngblood M, Bilguvar K, Baehring J, Piepmeier J, Gutin P, Vortmeyer A, Brennan C, Pamir MN, Kilic T, Krischek B, Simon M, Yasuno K, Gunel M, Cohen AL, Sato M, Aldape KD, Mason C, Diefes K, Heathcock L, Abegglen L, Shrieve D, Couldwell W, Schiffman JD, Colman H, D'Alessandris QG, Cenci T, Martini M, Ricci-Vitiani L, De Maria R, Larocca LM, Pallini R, de Groot J, Theeler B, Aldape K, Lang F, Rao G, Gilbert M, Sulman E, Luthra R, Eterovic K, Chen K, Routbort M, Verhaak R, Mills G, Mendelsohn J, Meric-Bernstam F, Yung A, MacArthur K, Hahn S, Kao G, Lustig R, Alonso-Basanta M, Chandrasekaran S, Wileyto EP, Reyes E, Dorsey J, Fujii K, Kurozumi K, Ichikawa T, Onishi M, Ishida J, Shimazu Y, Kaur B, Chiocca EA, Date I, Geisenberger C, Mock A, Warta R, Schwager C, Hartmann C, von Deimling A, Abdollahi A, Herold-Mende C, Gevaert O, Achrol A, Gholamin S, Mitra S, Westbroek E, Loya J, Mitchell L, Chang S, Steinberg G, Plevritis S, Cheshier S, Gevaert O, Mitchell L, Achrol A, Xu J, Steinberg G, Cheshier S, Napel S, Zaharchuk G, Plevritis S, Gevaert O, Achrol A, Chang S, Harsh G, Steinberg G, Cheshier S, Plevritis S, Gutman D, Holder C, Colen R, Dunn W, Jain R, Cooper L, Hwang S, Flanders A, Brat D, Hayes J, Droop A, Thygesen H, Boissinot M, Westhead D, Short S, Lawler S, Bady P, Kurscheid S, Delorenzi M, Hegi ME, Crosby C, Faulkner C, Smye-Rumsby T, Kurian K, Williams M, Hopkins K, Faulkner C, Palmer A, Williams H, Wragg C, Haynes HR, Williams M, Hopkins K, Kurian KM, Haynes HR, Crosby C, Williams H, White P, Hopkins K, Williams M, Kurian KM, Ishida J, Kurozumi K, Ichikawa T, Onishi M, Fujii K, Shimazu Y, Oka T, Date I, Jalbert L, Elkhaled A, Phillips J, Chang S, Nelson S, Jensen R, Salzman K, Schabel M, Gillespie D, Mumert M, Johnson B, Mazor T, Hong C, Barnes M, Yamamoto S, Ueda H, Tatsuno K, Aihara K, Jalbert L, Nelson S, Bollen A, Hirst M, Marra M, Mukasa A, Saito N, Aburatani H, Berger M, Chang S, Taylor B, Costello J, Popov S, Mackay A, Ingram W, Burford A, Jury A, Vinci M, Jones C, Jones DTW, Hovestadt V, Picelli S, Wang W, Northcott PA, Kool M, Reifenberger G, Pietsch T, Sultan M, Lehrach H, Yaspo ML, Borkhardt A, Landgraf P, Eils R, Korshunov A, Zapatka M, Radlwimmer B, Pfister SM, Lichter P, Joy A, Smirnov I, Reiser M, Shapiro W, Mills G, Kim S, Feuerstein B, Jungk C, Mock A, Geisenberger C, Warta R, Friauf S, Unterberg A, Herold-Mende C, Juratli TA, McElroy J, Meng W, Huebner A, Geiger KD, Krex D, Schackert G, Chakravarti A, Lautenschlaeger T, Kim BY, Jiang W, Beiko J, Prabhu S, DeMonte F, Lang F, Gilbert M, Aldape K, Sawaya R, Cahill D, McCutcheon I, Lau C, Wang L, Terashima K, Yamaguchi S, Burstein M, Sun J, Suzuki T, Nishikawa R, Nakamura H, Natsume A, Terasaka S, Ng HK, Muzny D, Gibbs R, Wheeler D, Lautenschlaeger T, Juratli TA, McElroy J, Meng W, Huebner A, Geiger KD, Krex D, Schackert G, Chakravarti A, Zhang XQ, Sun S, Lam KF, Kiang KMY, Pu JKS, Ho ASW, Leung GKK, Loebel F, Curry WT, Barker FG, Lelic N, Chi AS, Cahill DP, Lu D, Yin J, Teo C, McDonald K, Madhankumar A, Weston C, Slagle-Webb B, Sheehan J, Patel A, Glantz M, Connor J, Maire C, Francis J, Zhang CZ, Jung J, Manzo V, Adalsteinsson V, Homer H, Blumenstiel B, Pedamallu CS, Nickerson E, Ligon A, Love C, Meyerson M, Ligon K, Mazor T, Johnson B, Hong C, Barnes M, Jalbert LE, Nelson SJ, Bollen AW, Smirnov IV, Song JS, Olshen AB, Berger MS, Chang SM, Taylor BS, Costello JF, Mehta S, Armstrong B, Peng S, Bapat A, Berens M, Melendez B, Mollejo M, Mur P, Hernandez-Iglesias T, Fiano C, Ruiz J, Rey JA, Mock A, Stadler V, Schulte A, Lamszus K, Schichor C, Westphal M, Tonn JC, Unterberg A, Herold-Mende C, Morozova O, Katzman S, Grifford M, Salama S, Haussler D, Nagarajan R, Zhang B, Johnson B, Bell R, Olshen A, Fouse S, Diaz A, Smirnov I, Kang R, Wang T, Costello J, Nakamizo S, Sasayama T, Tanaka H, Tanaka K, Mizukawa K, Yoshida M, Kohmura E, Northcott P, Hovestadt V, Jones D, Kool M, Korshunov A, Lichter P, Pfister S, Otani R, Mukasa A, Takayanagi S, Saito K, Tanaka S, Shin M, Saito N, Ozawa T, Riester M, Cheng YK, Huse J, Helmy K, Charles N, Squatrito M, Michor F, Holland E, Perrech M, Dreher L, Rohn G, Goldbrunner R, Timmer M, Pollo B, Palumbo V, Calatozzolo C, Patane M, Nunziata R, Farinotti M, Silvani A, Lodrini S, Finocchiaro G, Lopez E, Rioscovian A, Ruiz R, Siordia G, de Leon AP, Rostomily C, Rostomily R, Silbergeld D, Kolstoe D, Chamberlain M, Silber J, Roth P, Keller A, Hoheisel J, Codo P, Bauer A, Backes C, Leidinger P, Meese E, Thiel E, Korfel A, Weller M, Saito K, Mukasa A, Nagae G, Nagane M, Aihara K, Takayanagi S, Tanaka S, Aburatani H, Saito N, Salama S, Sanborn JZ, Grifford M, Brennan C, Mikkelsen T, Jhanwar S, Chin L, Haussler D, Sasayama T, Tanaka K, Nakamizo S, Nishihara M, Tanaka H, Mizukawa K, Kohmura E, Schliesser M, Grimm C, Weiss E, Claus R, Weichenhan D, Weiler M, Hielscher T, Sahm F, Wiestler B, Klein AC, Blaes J, Weller M, Plass C, Wick W, Stragliotto G, Rahbar A, Soderberg-Naucler C, Sulman E, Won M, Ezhilarasan R, Sun P, Blumenthal D, Vogelbaum M, Colman H, Jenkins R, Chakravarti A, Jeraj R, Brown P, Jaeckle K, Schiff D, Dignam J, Atkins J, Brachman D, Werner-Wasik M, Gilbert M, Mehta M, Aldape K, Terashima K, Shen J, Luan J, Yu A, Suzuki T, Nishikawa R, Matsutani M, Liang Y, Man TK, Lau C, Trister A, Tokita M, Mikheeva S, Mikheev A, Friend S, Rostomily R, van den Bent M, Erdem L, Gorlia T, Taphoorn M, Kros J, Wesseling P, Dubbink H, Ibdaih A, Sanson M, French P, van Thuijl H, Mazor T, Johnson B, Fouse S, Heimans J, Wesseling P, Ylstra B, Reijneveld J, Taylor B, Berger M, Chang S, Costello J, Prabowo A, van Thuijl H, Scheinin I, van Essen H, Spliet W, Ferrier C, van Rijen P, Veersema T, Thom M, Meeteren ASV, Reijneveld J, Ylstra B, Wesseling P, Aronica E, Kim H, Zheng S, Mikkelsen T, Brat DJ, Virk S, Amini S, Sougnez C, Chin L, Barnholtz-Sloan J, Verhaak RGW, Watts C, Sottoriva A, Spiteri I, Piccirillo S, Touloumis A, Collins P, Marioni J, Curtis C, Tavare S, Weiss E, Grimm C, Schliesser M, Hielscher T, Claus R, Sahm F, Wiestler B, Klein AC, Blaes J, Tews B, Weiler M, Weichenhan D, Hartmann C, Weller M, Plass C, Wick W, Yeung TPC, Al-Khazraji B, Morrison L, Hoffman L, Jackson D, Lee TY, Yartsev S, Bauman G, Zheng S, Fu J, Vegesna R, Mao Y, Heathcock LE, Torres-Garcia W, Ezhilarasan R, Wang S, McKenna A, Chin L, Brennan CW, Yung WKA, Weinstein JN, Aldape KD, Sulman EP, Chen K, Koul D, Verhaak RGW. OMICS AND PROGNSTIC MARKERS. Neuro Oncol 2013; 15:iii136-iii155. [PMCID: PMC3823898 DOI: 10.1093/neuonc/not183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023] Open
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Iturriaga H, Zanolli M, Carpentier C, Valenzuela F, Moreno R, Acuña O, Zuazo F. Management of subluxated lens in young patients. Arch Soc Esp Oftalmol 2013; 88:97-101. [PMID: 23473086 DOI: 10.1016/j.oftal.2012.06.018] [Citation(s) in RCA: 2] [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] [Received: 04/22/2012] [Accepted: 06/12/2012] [Indexed: 06/01/2023]
Abstract
OBJECTIVES To evaluate visual outcomes in patients treated for lens subluxation. Secondary objectives are to report best corrected visual acuity (BCVA) in LogMAR and compare the outcomes of patients managed conservatively with those treated surgically. METHODS Retrospective comparison of BCVA in patients under 50 years-old with lens subluxation, managed conservatively or surgically. RESULTS A total of 49 eyes of 28 patients were included. Demographic characteristics were similar in both groups. Twenty eyes were treated surgically (40.8%) compared to 29 with medical treatment (59.2%). Marfan syndrome (79.6%) was diagnosed in 39 eyes. LogMAR BCVA post intervention was 0.35±0.31 for medical treatment and 0.39±0.32 for the surgical group, with no significant differences (P=.63). Improvements in LogMAR lines were 2.7±4.2 and 4.11±4.2 (P=.35), respectively. Two eyes in the surgery group developed ocular hypertension (0.04%), none with retinal detachment. CONCLUSIONS The final BCVA showed no significant differences in this group of patients. BCVA depends on the visual potential of the rehabilitated eye rather than a specific type of intervention.
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Affiliation(s)
- H Iturriaga
- Fundación Oftalmológica Los Andes, Santiago, Chile
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Roth P, Silginer M, Goodman SL, Hasenbach K, Thies S, Schraml P, Tabatabai G, Moch H, Tritschler I, Weller M, Perin A, Verginelli F, Dali R, Hei Man Fung K, Lo R, Longatti P, Guiot M, Del Maestro RF, Rossi S, Di Porzio U, Stechishin O, Weiss S, Stifani S, Sanzey M, Golebiewska A, Stieber D, Nazarov P, Muller A, Vallar L, Niclou SP, Lawler SE, Chiocca E, Williams SP, Wanka C, Steinbach JP, Rieger J, Lavon I, Zrihan D, Refael M, Siegal T, Sminia P, Van Nifterik KA, Van den Berg J, Lafleur VM, Stalpers LJA, Slotman BJ, Di stefano A, Enciso-Mora V, Marie Y, Desestret V, Labussiere M, Idbaih A, Hoang-Xuan K, Delattre J, Houlston R, Sanson M, Woehrer A, Slavc I, Stefanits H, Waldhoer T, Heinzl H, Zielonke N, Czech T, Hainfellner JA, Haberler C, Zouaoui S, Darlix A, Virion J, Rigau V, Mathieu-Daude H, Bauchet F, Figarella-Branger D, Duffau H, Taillandier L, Bauchet L, Naydenov E, Popov R, Tanova R, Minkin K, De Vleeschouwer S, Van Gool S, Cavaletti G, Wilbers J, Hoebers F, Boogerd W, van Werkhoven E, Nowee M, Hart G, van Dijk E, Kappelle A, Dorresteijn L, Furuse M, Miyata T, Yoritsune E, Kawabata S, Kuroiwa T, Miyatake S, Boele FW, Heimans JJ, Aaronson NK, Peereboom DM, Sloan AE, Supko JG, Ye X, Rich JN, Prados MD, Ahluwalia M, Grossman SA, Spiegl-Kreinecker S, Loetsch D, Taphoorn MJB, Wild M, Ghanim B, Pirker C, Pichler J, Serge W, Lenz S, Wurm G, Berger W, Tamiya T, Miyake K, Postma TJ, Okada M, Kawai N, Grossi I, Rigakos G, Lampropoulos S, Stavridi F, Tsoulos N, Nasioulas G, Papadopoulou E, Razis E, Reijneveld JC, Schroeteler J, Klosterkemper Y, Schwake M, Stummer W, Ewelt C, Field KM, Rosenthal MA, Wheeler H, Cher L, Hovey E, Klein M, Nowak AK, Brown C, Livingstone A, Sawkins K, Simes J, Linsenmann T, Jawork A, Hagemann C, Kessler AF, Berg F, Habets EJJ, Lohr M, Ernestus RI, Vince GH, Rodriguez FJ, Heaphy CM, Nguyen DN, de Wilde RF, Orr B, Raabe E, Eberhart CG, Taphoorn MJB, Meeker AK, Klein SP, Van Calenbergh F, van Loon J, Menten J, Clement P, De Vleeschouwer S, Goffin J, Lonardi F, Gioga G, Nederend S, Bonometti M, Ferigo L, Buonocore F, Campostrini F, Golebiewska A, Bougnaud S, Stieber D, Brons N, Vallar L, Hertel F, Klein M, Bjerkvig R, Niclou S, Strik HM, Carl B, Kallenberg K, Moiyadi AV, Gupta T, Shetty P, Nair V, Jalali R, Delgadillo D, Compter I, de Kunder SL, Houben RMA, Jager JJ, Bosmans G, Anten MHME, Baumert BG, Duerinck J, Du Four S, Van Binst A, Xuan KH, Everaert H, Michotte A, D'haens J, Neyns B, Basmaci M, Hasturk AE, de Kunder SL, Compter I, Schijns OEMG, ter Laak-Poort MP, Bottomley A, Anten MHME, Jansen RLH, Baumert BG, Happold C, Roth P, Wick W, Schmidt N, Florea A, Reifenberger G, Weller M, Van den Bent MJ, Ho C, Leugner D, Easaw J, Lim G, Rosenberg T, Thomassen M, Jensen S, Larsen M, Sorensen K, Hermansen S, Reijneveld JC, Kruse T, Kristensen B, Pichler J, Hollmuller I, Ghanim B, Spiegl-Kreinecker S, Ursu R, Ferrari D, Bailon O, Augier A, Minaya Flores P, Dubessy A, Banissi C, Belin C, Levy C, Carpentier AF, Boudouresque F, Delphino C, Metellus P, Pirisi V, Figarella-Branger D, Chinot O, Ouafik L, Berthois Y, Nakamura H, Makino K, Hide T, Yano S, Kuratsu J, Stevens GHJ, Ahluwalia M, Hashemi N, Berbis J, Peereboom D, Barnett GH, Wibom C, Ghasimi S, Van Loo P, Brannstrom T, Trygg J, Henriksson R, Bergenheim T, Andersson U, Auquier P, Ryden P, Melin B, Ackerl MS, Flechl B, Dieckmann K, Preusser M, Widhalm G, Sax C, Marosi C, Seliger C, Kumthekar PU, Leukel P, Jachnik B, Bogdahn U, Vollmann A, Hau P, Chung SA, Luk PP, Shen H, Decollogne S, Day BW, Grimm SA, Stringer BW, Hogg PJ, Dilda PJ, McDonald KL, Cernea DR, Pruteanu P, Todor N, Florian S, Bogdan V, Cercea C, Chandler J, Leibetseder A, Ackerl M, Flechl B, Sax C, Widhalm G, Dieckmann K, Preusser M, Marosi C, Torres-Martin M, Pena-Granero C, Helenowski IB, Isla A, Pinto GR, Custodio AC, Melendez B, Castresana JS, Rey JA, Banissi C, Maubant S, Rancic M, Carpentier AF, Marymont M, Stancheva G, Goranova T, Laleva M, Kamenova M, Mitkova A, Velinov N, Kaneva R, Poptodorov G, Mitev V, Gabrovsky N, Rademaker A, Piccirillo SGM, Spiteri I, Sottoriva A, Marko N, Tavare' S, Collins P, Watts C, Fedrigo CA, Da Rocha AB, Stalpers LJA, Wagner L, Baumert BG, Slotman B, Peters GJ, Sminia P, Fernandez M, Gawrisch VJ, Ruttgers M, Jachnik B, Proescholdt M, Bogdahn U, Stell B, Vollmann-Zwerenz A, Hau P, Trevisan E, Magistrello M, Bertero L, Bosa C, Greco Crasto S, Garbossa D, Lolli I, Ruda R, Raizer J, Soffietti R, Ichikawa T, Kurozumi K, Onishi M, Ishida J, Shimazu Y, Fujii K, Inoue S, Chiocca EA, Kaur B, Kumthekar PU, Date I, Dictus C, Friauf S, Valous NA, Muerle B, Unterberg AW, Herold-Mende CC, Caroli M, Di Dristofori A, Lucarella F, Grimm S, Menghetti C, Lanfranchi G, Gaini SM, Duerinck J, Clement P, Bouttens F, Neyns B, D'Hondt L, Gennigens C, Staelens Y, Jacobs DI, Joosens E, Van Fraeyenhove F, Rogiers A, Darlix A, Baumann C, Lorgis V, Blonski M, Chauffert B, Zouaoui S, Beauchesne P, Stell BV, Taillandier L, Vaccaro V, Pace A, Vidiri A, Vari S, Telera S, Giannarelli D, Russillo M, Anelli V, Carapella CM, Rademaker A, Fabi A, Florian SI, Soritau O, Neagoe I, Abrudan C, Tomuleasa C, Cernea D, Petrescu M, Baritchii A, Florian SI, Chandler J, Abrudan C, Baritchii A, Fornara O, Mirza S, Khan Z, Odeberg J, Stragliotto G, Butler L, Soderberg-Naucler C, Soderberg Naucler C, Marymont MH, Stragliotto G, Peredo I, Rahbar A, Lilja A, Taher C, Orrego A, Wolmer Solberg N, Brandes AA, Depenni R, Marcello N, Helenowski IB, Valentini A, Faedi M, Urbini B, Crisi G, Franceschi E, Poggi R, Baruzzi A, Berghauser Pont LME, Kloezeman JJ, French PJ, Wagner L, Dirven CMF, Lamfers MLM, Leenstra SL, Stragliotto G, Bartek J, Hylin S, Peredo I, Rahbar A, Soderberg Naucler C, Dahlrot RH, Raizer JJ, Kristensen BW, Hjelmborg JVB, Herrstedt J, Hansen S, Nittby HC, Persson BRR, Ceberg C, Widegren B, Salford LG, Poulsen HS, Claudel G, Grunnet K, Michaelsen SR, Broholm H, Christensen IJ, Tinchon A, Oberndorfer S, Marosi C, Ruda R, Sax C, Calabek B, Muller C, 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I, Kang S, Sin G, Shim J, Lee S, Huh Y, Kim E, Chang J, Kim S, Hong Y, Kim D, Lefranc F, Verschuere T, De Witte O, Van Gool S, Kiss R, DeVleeschouwer S, Ewelt C, Ardon H, Suero E, Gunes D, Wolfer J, Fischer B, Stummer W, Thorsteinsdottir J, Fu P, Gehrmann M, Multhoff G, Tonn JC, Schichor C, Jachtenberg J, Bakker Schut T, Puppels G, French P, Kros M, Lamfers M, Leenstra S, Costello PC, McDonald W, MacDonald D, Zlatescu M, Megyesi J, Rossetto M, Gallego Perez-Larraya J, Boisselier B, Ciccarino P, Labussiere M, Marie Y, Delattre J, SANSON M, Ilhan-Mutlu A, Wohrer A, Berghoff AS, Widhalm G, Marosi C, Wagner L, Preusser M, Di Stefano A, Gallego Perez-Larraya J, Ducray F, Boisselier B, Labussiere M, Paris S, Cheneau C, Delattre J, Sanson M, Lonnqvist F, Gaillard PJ, Gladdines W, Boogerd W, van Tellingen O, Milojkovic Kerklaan B, Schellens JHM, Brandsma D, Denicolai E, Baeza-Kallee N, Tchoghandjian A, Beclin C, Figarella-Branger D, Rahman CV, Smith SJ, Morgan PS, Langmack KA, Macarthur DC, Rose FR, Shakesheff KM, Grundy RG, Rahman R, Nowosielski M, DiFranco MD, Putzer D, Seiz M, Jacobs AH, Stockhammer G, Hutterer M, Okada M, Shishido H, Hatakeyama T, Shinomiya A, Miyake K, Kawai N, Tamiya T, Miyake K, Shinomiya A, Okada M, Hatakeyama T, Kawai N, Tamiya T, Alexiou GA, Tsiouris S, Papadopoulos A, Al-Bokharhli J, Kyritsis AP, Voulgaris S, Fotopoulos AD, Roelcke U, Boxheimer L, Fathi AR, Schwyzer L, Ortega M, Berberat J, Grobholz R, Remonda L, Oikawa M, Sato K, Ito T, Sugio H, Ozaki Y, Nakamura H, Schwyzer L, Berberat J, Boxheimer L, Remonda L, Roelcke U, Kozic D, Njagulj V, Gacesa JP, Prvulovic N, Semnic R, Basmaci M, Hasturk AE, Hasturk AE, Basmaci M, Bahr O, Weise L, Harter PN, Weiss C, Starzetz T, Steinbach JP, Mittelbronn M, Hattingen E, Price SJ, Young AMH, Thomas OM, Mohsen LA, Frary AJ, Lupson VC, McLean MA, Weiss C, Neuschmelting V, Eisenbeis A, Nettekoven C, Grefkes C, Goldbrunner R, Weiss C, Neuschmelting V, Eisenbeis A, Nettekoven C, Grefkes C, Goldbrunner R, Weiss C, Neuschmelting V, Eisenbeis A, Nettekoven C, Rehme A, Grefkes C, Goldbrunner R, Grech-Sollars M, Saunders DE, Phipps KP, Clayden JD, Clark CA, Schwyzer L, Berberat J, Boxheimer L, Remonda L, Roelcke U, Booth TC, Larkin T, Yuan Y, Kettunen M, Markowetz F, Scoffings D, Jefferies S, Brindle KM, Pica A, Hauf M, Slotboom J, Beck J, Schucht P, Aebersold DM, Wiest R, Pace A, Marzi S, Fabi A, Carapella CM, Giovinazzo G, Marucci L, Anelli V, Vidiri A, Riva M, Castellano A, Raneri F, Pessina F, Fava E, Falini A, Bello L, Gahramanov S, Muldoon LL, Varallyay CG, Li X, Kraemer DF, Fu R, Hamilton BE, Rooney WD, Neuwelt EA, Hawkins-Daarud A, Rockne R, Muzi M, Patridge S, Kinahan P, Swanson KR, Radbruch A, Fladt J, Wiestler B, Baumer P, Heiland S, Wick W, Bendszus M, Lwin M, Al-Salihi O, Sharpe G, Izmailov TR, Panshin GA, Datsenko PV, Kavsan VM, Balynska EV, Chernolovskaya EL, Zenkova MA, Buhl RM, Janz C, Gomez Gallego J, Albanna W, Rashidi A, Schmiegelow P, Buhl RM, Alexiou GA, Vartholomatos G, Karamoutsios A, Voulgaris S, Shen D, Wang J, Qiu Z, Chen F, Chen Z, Miwa K, Shinoda J, Ito T, Yokoyama K, Yamada M, Yamada J, Yano H, Iwama T, Brokinkel B, Schober O, Heindel W, Hargus G, Paulus W, Stummer W, Woelfer J, Aoki T, Arakawa Y, Ueba T, Miyatake S, Nozaki K, Taki W, Tsukahara T, Miyamoto S, Matsutani M, Satou K, Ito T, Takanashi M, Oikawa M, Ozaki Y, Sugio H, Nakamura H. Abstracts of the 10th Congress of the European Association of NeuroOncology. Marseille, France. September 6-9, 2012. Neuro Oncol 2012; 14 Suppl 3:iii1-109. [PMID: 22977921 DOI: 10.1093/neuonc/nos183] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Bell K, Carpentier C, Carrott M, Geist A, Gregson C, Hérès X, Magnusson D, Malmbeck R, McLachlan F, Modolo G, Müllich U, Sypula M, Taylor R, Wilden A. Progress Towards the Development of a New GANEX Process. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.proche.2012.10.061] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [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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Dhaenens CM, Tran H, Frandemiche ML, Carpentier C, Schraen-Maschke S, Sistiaga A, Goicoechea M, Eddarkaoui S, Van Brussels E, Obriot H, Labudeck A, Gevaert MH, Fernandez-Gomez F, Charlet-Berguerand N, Deramecourt V, Maurage CA, Buée L, Lopez de Munain A, Sablonnière B, Caillet-Boudin ML, Sergeant N. Mis-splicing of Tau exon 10 in myotonic dystrophy type 1 is reproduced by overexpression of CELF2 but not by MBNL1 silencing. Biochim Biophys Acta Mol Basis Dis 2011; 1812:732-42. [PMID: 21439371 DOI: 10.1016/j.bbadis.2011.03.010] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2010] [Revised: 03/16/2011] [Accepted: 03/17/2011] [Indexed: 12/13/2022]
Abstract
Tau is the proteinaceous component of intraneuronal aggregates common to neurodegenerative diseases called Tauopathies, including myotonic dystrophy type 1. In myotonic dystrophy type 1, the presence of microtubule-associated protein Tau aggregates is associated with a mis-splicing of Tau. A toxic gain-of-function at the ribonucleic acid level is a major etiological factor responsible for the mis-splicing of several transcripts in myotonic dystrophy type 1. These are probably the consequence of a loss of muscleblind-like 1 (MBNL1) function or gain of CUGBP1 and ETR3-like factor 1 (CELF1) splicing function. Whether these two dysfunctions occur together or separately and whether all mis-splicing events in myotonic dystrophy type 1 brain result from one or both of these dysfunctions remains unknown. Here, we analyzed the splicing of Tau exons 2 and 10 in the brain of myotonic dystrophy type 1 patients. Two myotonic dystrophy type 1 patients showed a mis-splicing of exon 10 whereas exon 2-inclusion was reduced in all myotonic dystrophy type 1 patients. In order to determine the potential factors responsible for exon 10 mis-splicing, we studied the effect of the splicing factors muscleblind-like 1 (MBNL1), CUGBP1 and ETR3-like factor 1 (CELF1), CUGBP1 and ETR3-like factor 2 (CELF2), and CUGBP1 and ETR3-like factor 4 (CELF4) or a dominant-negative CUGBP1 and ETR-3 like factor (CELF) factor on Tau exon 10 splicing by ectopic expression or siRNA. Interestingly, the inclusion of Tau exon 10 is reduced by CUGBP1 and ETR3-like factor 2 (CELF2) whereas it is insensitive to the loss-of-function of muscleblind-like 1 (MBNL1), CUGBP1 and ETR3-like factor 1 (CELF1) gain-of-function, or a dominant-negative of CUGBP1 and ETR-3 like factor (CELF) factor. Moreover, we observed an increased expression of CUGBP1 and ETR3-like factor 2 (CELF2) only in the brain of myotonic dystrophy type 1 patients with a mis-splicing of exon 10. Taken together, our results indicate the occurrence of a mis-splicing event in myotonic dystrophy type 1 that is induced neither by a loss of muscleblind-like 1 (MBNL1) function nor by a gain of CUGBP1 and ETR3-like factor 1 (CELF1) function but is rather associated to CUGBP1 and ETR3-like factor 2 (CELF2) gain-of-function.
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Affiliation(s)
- C M Dhaenens
- Inserm, U837-1, Alzheimer & Tauopathies, place de Verdun, F-59045 Lille, France
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Ilhan A, Wagner L, Maj M, Woehrer A, Czech T, Heinzl H, Marosi C, Base W, Preusser M, Jeuken JW, Navis AC, Sijben A, Boots-Sprenger SH, Bleeker FE, Gijtenbeek JM, Wesseling P, Seyed Sadr E, Tessier A, Seyed Sadr M, Alshami J, Anan M, Sabau C, Del Maestro R, Agnihotri S, Gajadhar A, Wolf A, Mischel PM, Hawkins C, Guha A, Guan X, Chance MR, Barnholtz-Sloan JS, Larson JD, Rodriguez FJ, Demer AM, Sarver AL, Dubac A, Jenkins RB, Dupuy AJ, Copeland NG, Jenkins NA, Taylor MD, Largaespada DA, Lusis EA, Stuart JE, Scheck AC, Coons SW, Lal A, Perry A, Gutmann DH, Barnholtz-Sloan JS, Adams MD, Cohen M, Devine K, Wolinsky Y, Bambakidis N, Selman W, Miller R, Sloan AE, Suchorska B, Mehrkens JH, Eigenbrod S, Eroes CA, Tonn JC, Kretzschmar HA, Kreth FW, Buczkowicz P, Bartels U, Morrison A, Zarghooni M, Bouffet E, Hawkins C, Kollmeyer TM, Wrensch M, Decker PA, Xiao Y, Rynearson AL, Fink S, Kosel ML, Johnson DR, Lachance DH, Yang P, Fridley BL, Wiemels J, Wiencke J, Jenkins RB, Zhou YH, Hess KR, Yu L, Raj VR, Liu L, Alfred Yung WK, Hutchins LF, Linskey ME, Roldan G, Kachra R, McIntyre JB, Magliocco A, Easaw J, Hamilton M, Northcott PA, Van Meter T, Eberhart C, Weiss W, Rutka JT, Gupta N, Korshunov A, French P, Kros J, Michiels E, Kloosterhof N, Hauser P, Montange MF, Jouvet A, Bouffet E, Jung S, Kim SK, Wang KC, Cho BK, Di Rocco C, Massimi L, Leonard J, Scheurlen W, Pfister S, Robinson S, Yang SH, Yoo JY, Cho DG, Kim HK, Kim SW, Lee SW, Fink S, Kollmeyer T, Rynearson A, Decker P, Sicotte H, Yang P, Jenkins R, Lai A, Kharbanda S, Tran A, Pope W, Solis O, Peale F, Forrest W, Purjara K, Carrillo J, Pandita A, Ellingson B, Bowers C, Soriano R, Mohan S, Yong W, Aldape K, Mischel P, Liau L, Nghiemphu P, James CD, Prados M, Westphal M, Lamszus K, Cloughesy T, Phillips H, Thon N, Kreth S, Eigenbrod S, Lutz J, Ledderose C, Tonn JC, Kretzschmar H, Kreth FW, Mokhtari K, Ducray F, Kros JM, Gorlia T, Idbaih A, Marie Y, Taphoorn M, Wesseling P, Brandes AA, Hoang-Xuan K, Delattre JY, Van den Bent M, Sanson M, Lavon I, Shahar T, Granit A, Smith Y, Nossek E, Siegal T, Ram Z, Marko NF, Quackenbush J, Weil RJ, Ducray F, Criniere E, Idbaih A, Paris S, Marie Y, Carpentier C, Houillier C, Dieme M, Adam C, Hoang-Xuan K, Delattre JY, Duyckaerts C, Sanson M, Mokhtari K, Zinn PO, Kozono D, Kasper EM, Warnke PC, Chin L, Chen CC, Saito K, Mukasa A, Saito N, Stieber D, Lenkiewicz E, Evers L, Vallar L, Bjerkvig R, Barrett M, Niclou SP, Gorlia T, Brandes A, Stupp R, Rampling R, Fumoleau P, Dittrich C, Campone M, Twelves C, Raymond E, Lacombe D, van den Bent MJ, Potter N, Ashmore S, Karakoula K, Ward S, Suarez-Merino B, Luxsuwong M, Thomas DG, Darling J, Warr T, Gutman DA, Cooper L, Kong J, Chisolm C, Van Meir EG, Saltz JH, Moreno CS, Brat DJ, Brennan CW, Brat DJ, Aldape KD, Cohen M, Lehman NL, McLendon RE, Miller R, Schniederjan M, Vandenberg SR, Weaver K, Phillips S, Pierce L, Christensen B, Smith A, Zheng S, Koestler D, Houseman EA, Marsit CJ, Wiemels JL, Nelson HH, Karagas MR, Wrensch MR, Kelsey KT, Wiencke JK, Al-Nedawi K, Meehan B, Micallef J, Guha A, Rak J. -Omics and Prognostic Markers. Neuro Oncol 2010. [DOI: 10.1093/neuonc/noq116.s8] [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: 11/12/2022] Open
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Labussière M, Idbaih A, Wang XW, Marie Y, Boisselier B, Falet C, Paris S, Laffaire J, Carpentier C, Crinière E, Ducray F, El Hallani S, Mokhtari K, Hoang-Xuan K, Delattre JY, Sanson M. All the 1p19q codeleted gliomas are mutated on IDH1 or IDH2. Neurology 2010; 74:1886-90. [PMID: 20427748 DOI: 10.1212/wnl.0b013e3181e1cf3a] [Citation(s) in RCA: 206] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Recently, the gene encoding the human cytosolic NADPH-dependent isocitrate dehydrogenase (IDH1) was reported frequently mutated in gliomas. Rare mutations were also found in the sequence of the mitochondrial isoform IDH2. METHODS In a series of 764 gliomas genome-wide characterized, we determined the presence of mutations in the sequences of both IDH1 and IDH2 genes by direct sequencing. RESULTS We found that all tumors with complete 1p19q codeletion (n = 128) were mutated in the IDH1 (118) or IDH2 (10) gene. This 100% mutation rate contrasted strikingly with other gliomas exhibiting either variable 1p and 19q alterations (n = 159, IDH1/IDH2 mutation rate of 33%) or no 1p19q alteration (n = 477, IDH1/IDH2 mutation rate 32%). Our data also confirm the prognostic impact of IDH1/IDH2 mutation in gliomas whatever grade considered: patients harboring mutations of IDH1/IDH2 have an improved median overall survival. Moreover, in WHO grade II and III gliomas, 3 groups with significantly different outcomes were identified according to their 1p19q and IDH1/IDH2 statuses. Tumors carrying both alterations had longer overall survival than their nonmutated counterpart. CONCLUSIONS This exclusive association suggests a new mechanism of tumorigenesis. Perhaps the IDH1/IDH2 mutation is a prerequisite for the occurrence of the t(1;19) translocation, or it is required for the 1p19q codeleted cells to acquire a tumor phenotype.
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Taillibert S, Vincent LA, Granger B, Marie Y, Carpentier C, Guillevin R, Bellanger A, Psimaras D, Sanson M, Delattre J. Bevacizumab and irinotecan for recurrent oligodendroglial tumors. J Clin Oncol 2009. [DOI: 10.1200/jco.2009.27.15_suppl.2054] [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] [Indexed: 11/20/2022] Open
Abstract
2054 Background: Treatment with a regimen of bevacizumab/irinotecan has been shown to be effective in recurrent grade 3 and 4 gliomas, but the effect of this regimen against recurrent oligodendroglial tumors has not been specifically studied. Methods: The bevacizumab/irinotecan regimen was retrospectively evaluated in a consecutive series of 25 patients with recurrent oligodendroglial tumors. All patients had failed previous treatment with radiation therapy and at least one line of temozolomide chemotherapy. Bevacizumab (10 mg/kg) and irinotecan (125 or 340 mg/m2 according to the antiepileptic regimen) were delivered every 14 days. Response was measured clinically and on monthly MRI. Results: The objective response rate was 72% (20% complete response, 52% partial response). After a median follow-up (from the first cycle) of 310 days (95% CI, 47–499), the median progression-free survival was 174 days (95% CI, 116–342), and the median overall survival was 328 days (95%CI, 217-not reached). The 6-month progression-free survival was 42 % (95 % CI, 26% to 67%). Among the 20 patients who progressed at the time of the analysis, the radiological pattern of progression was atypical in seven patients with an isolated multifocal or diffuse spread of the FLAIR signal, or an isolated meningeal spread or FLAIR abnormalities preceding contrast-enhancement recurrence. Among the 10 patients who are still alive, two are still on follow-up since 6 months with a complete response after, respectively, 10 and 12 months of treatment. Among the 17 patients in whom the status of the main molecular alterations of gliomas could be evaluated (search for deletions of chromosomes 1p, 19q, 9p, 10q, and amplification of EGFR, MDM2, CDK4), no relation could be found between the response rate and the type of genetic change (including 1p-19q co-deletion). The profile of tolerance was fair, with treatment discontinuation in 20% of patients. Intratumoral hemorrhages occurred in six patients (24%), but the treatment had to be discontinued because of symptomatic bleeding in only one patient (4%). Conclusions: This regimen is effective in recurrent oligodendrogliomas, and the overall tolerance is acceptable. [Table: see text]
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Affiliation(s)
- S. Taillibert
- Salpetriere Hospital, Paris, France; Faculté Pierre et Marie Curie Paris VI, Paris, France
| | - L. A. Vincent
- Salpetriere Hospital, Paris, France; Faculté Pierre et Marie Curie Paris VI, Paris, France
| | - B. Granger
- Salpetriere Hospital, Paris, France; Faculté Pierre et Marie Curie Paris VI, Paris, France
| | - Y. Marie
- Salpetriere Hospital, Paris, France; Faculté Pierre et Marie Curie Paris VI, Paris, France
| | - C. Carpentier
- Salpetriere Hospital, Paris, France; Faculté Pierre et Marie Curie Paris VI, Paris, France
| | - R. Guillevin
- Salpetriere Hospital, Paris, France; Faculté Pierre et Marie Curie Paris VI, Paris, France
| | - A. Bellanger
- Salpetriere Hospital, Paris, France; Faculté Pierre et Marie Curie Paris VI, Paris, France
| | - D. Psimaras
- Salpetriere Hospital, Paris, France; Faculté Pierre et Marie Curie Paris VI, Paris, France
| | - M. Sanson
- Salpetriere Hospital, Paris, France; Faculté Pierre et Marie Curie Paris VI, Paris, France
| | - J. Delattre
- Salpetriere Hospital, Paris, France; Faculté Pierre et Marie Curie Paris VI, Paris, France
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Taillibert S, Vincent LA, Granger B, Marie Y, Carpentier C, Guillevin R, Bellanger A, Mokhtari K, Rousseau A, Psimaras D, Dehais C, del Rio MS, Meng Y, Laigle-Donadey F, Hoang-Xuan K, Sanson M, Delattre JY. Bevacizumab and irinotecan for recurrent oligodendroglial tumors. Neurology 2009; 72:1601-6. [DOI: 10.1212/wnl.0b013e3181a413be] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Carpentier C. 217 Imagerie et chirurgie maculaire. J Fr Ophtalmol 2008. [DOI: 10.1016/s0181-5512(08)70814-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Carpentier C, Laigle-Donadey F, Marie Y, Auger N, Benouaich-Amiel A, Lejeune J, Kaloshi G, Delattre JY, Thillet J, Sanson M. Polymorphism in Sp1 recognition site of the EGF receptor gene promoter and risk of glioblastoma. Neurology 2006; 67:872-4. [PMID: 16885506 DOI: 10.1212/01.wnl.0000229927.12007.37] [Citation(s) in RCA: 16] [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] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
We investigated two polymorphisms of the epidermal growth factor receptor promoter as potential risk factors and prognostic markers for glioblastoma. The -216T allele (which results in a 30% higher activity) was more frequent in the patients compared with the control population (224/376 = 59.6% vs 165/352 = 46.8%; p = 0.0006) corresponding to an odd ratio of 1.67 (1.24; 2.25). A modest difference in median survival was also associated with the TT genotype.
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Affiliation(s)
- C Carpentier
- INSERM U711, Biologie des Interactions Neurones and Glie, Université Pierre et Marie Curie, France
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Fabre S, Vaysse F, Carpentier C, Kern D, Fourcade O. [Is premixed 50% nitrous oxide and oxygen an alternative to general anaesthesia for dental care in children?]. ACTA ACUST UNITED AC 2004; 23:72-3. [PMID: 14980330 DOI: 10.1016/j.annfar.2003.11.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Durruty P, Carpentier C, Krause P, García de los Ríos M. [Evaluation of retinal involvement in type 2 diabetics with microalbuminuria]. Rev Med Chil 2000; 128:1085-92. [PMID: 11349506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/16/2023]
Abstract
BACKGROUND In patients with type 2 diabetes, the presence of microalbuminuria, reflecting a widespread vascular damage, can be a marker of nephropathy, retinophaty and cardiovascular diseases. AIM To study the relationship between microalbuminuria and the frequency, severity and outcome of retinopathy in patients with type 2 diabetes mellitus. PATIENTS AND METHODS One hundred patients with type 2 diabetes were subjected to a clinical examination, serial monitoring of blood pressure and quarterly measurement of microalbuminuria by RIA. Annually, a fundoscopy, a color photography of the posterior pole and retinal angiofluorescence were performed. Retinopathy was classified as basal (mild to moderate), preproliferative and proliferative. Sixty-four normoalbuminuric patients (urinary albumin of less than 30 mg/24 h) were included in group 1 and 36 patients with a urinary albumin over 30 mg/24 h in group 2. Fifty seven patients with normal blood pressure were randomly treated with enalapril or placebo and those with hypertension received enalapril or acebutolol to normalize blood pressure. RESULTS Sixty one percent of group 1 patients and 41% of group 2 patients has retinopathy (p < 0.05). The retinal lesions were proliferative in 41% of group 2 patients and in 8% of group 1 patient (p < 0.05). Retinopathy was present in 67% of hypertensive patients of group 2 and in 41% of hypertensive patients of group 1. An unfavorable evolution of retinopathy was observed in 22% of group 2 patients and in 5% of group 1 patient (p < 0.05). CONCLUSIONS In type 2 diabetic patients, the presence of microalbuminuria is a prediction of a higher frequency, severity and dismal evolution of diabetic retinopathy (Rev Méd Chile 2000; 128: 1085-92).
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Abstract
Bedsharing has recently become a controversial subject. Some authors, mainly from North America, assign to bedsharing a positive effect on the efficacy and duration of breast-feeding. Moreover, it would protect against sudden infant death syndrome (SIDS). Conversely, other studies consider bedsharing as an additional risk factor for SIDS. From the literature data, there is some evidence for an increased risk of SIDS when bedsharing is associated with maternal smoking and alcohol consumption. Bedsharing cannot be recommended as an absolutely safe practice. Breast-feeding mothers should be aware of these potential hazards.
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Affiliation(s)
- P Lequien
- Service de médecine néonatale, Hôpital Jeanne-de-Flandre, CHRU, Lille, France
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Abstract
Systematic recording of cardiorespirographic events has been recommended by some authors in premature and/or very low birth weight infants before or shortly after hospital's discharge. Their objective is the recognition of babies at risk of sudden infant death syndrome (SIDS) and prevention by home monitoring. After an extensive review of the recent literature, prematurity itself does not appear as a risk factor of SIDS. Late apneas are common, but their prognostic significance remains uncertain. Although it is clear that bronchopulmonary dysplasia carries a greater risk of acute life threatening events and infantile death, their prevention mainly relies upon an adequate oxygen supplementation. As a consequence no more than the general infant population, premature infants require neither polysomnographic recording nor home monitoring.
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Affiliation(s)
- P Lequien
- Service de médecine néonatale, hôpital Jeanne-de-Flandre, Lille, France
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Storme L, Jaffré MO, Ganga-Zandzou PS, Carpentier C, Lequien P. Analysis of heart rate variability in infants and children. J Pediatr 1998; 132:190. [PMID: 9470032 DOI: 10.1016/s0022-3476(98)70519-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Abstract
Using immunohistochemistry, we demonstrate that neurons of the rat dorsal vagal complex (DVC) express NK3 receptors. The density of NK3-immunoreactive neurons depends of the different subnuclei of the nucleus tractus solitarii. The efferent vagal neurons of the dorsal nucleus of the vagus nerve highly express NK3. No NK3-immunoreactivity has been detected in the area postrema. Ultrastructural examination shows that NK3-immunoreactivity is principally present at non synaptic membrane of somatic and dendritic profiles. Therefore, neurokinin B and/or other ligands may act through a process of volume transmission on non synaptic NK3 receptors in the DVC.
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Affiliation(s)
- C Carpentier
- CNRS, Laboratoire de Neurobiologie, ENRC, Marseille, France
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Palcoux JB, Carla H, Tardieu M, Carpentier C, Sebire G, Garcier JM, Loriette Y, Meyer M, Malpuech G. Plasma exchange in Rasmussen's encephalitis. Ther Apher 1997; 1:79-82. [PMID: 10225787 DOI: 10.1111/j.1744-9987.1997.tb00019.x] [Citation(s) in RCA: 7] [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] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The authors observed a 4-year-old girl who has Rasmussen's encephalitis. She started with frequent localized and generalized seizures. Standard antiepileptic treatment was almost ineffective. The frequency of the generalized seizures decreased, but the myoclonic jerks of the left part of the body persisted. An EEG showed partial status epilepticus. The results of the CT scan were normal. Antibodies to viruses were absent from the blood and cerebrospinal fluid. An MR scan showed a T2-weighted hypersignal zone in the right frontal region. Intravenous bolus injections of corticosteroids and drips of immunoglobulins were inefficient, and we started plasma exchanges which have continued for 9 months. The clinical state stabilized, and the images on the MR scan improved, but the results of the EEG did not improve. The authors discuss the effect of the plasma exchange, the use of which is questionable in this disease.
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Affiliation(s)
- J B Palcoux
- Department of Pediatrics, Hotel-Dieu, Clermont-Ferrand, France
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37
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Michaud L, Lamblin MD, Carpentier C, Engles MC, Gottrand F, Piotte M, Guieu JD, Lequien P, Turck D. [Gastroesophageal reflux and esophageal motility disorders in infants with vagal hyperreflectivity presenting severe syncope]. Arch Pediatr 1997; 4:133-9. [PMID: 9097823 DOI: 10.1016/s0929-693x(97)86155-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
AIM The aim of the study was to evaluate the prevalence of gastroesophageal reflux and abnormalities of esophageal motility in a population of neonates referred for apparently life threatening event (ALTE) and presenting vagal hyperreflectivity. POPULATION AND METHODS The study included 17 infants, who were examined after an ALTE. They were admitted at a mean age of 11.7 weeks (range 1-40 weeks). Vagal hyperreflectivity was confirmed in each infant by oculocardiac reflex. Before treatment, 24-hour intraesophageal pH-monitoring and esophageal manometry were performed. RESULTS pH-monitoring and esophageal manometry were both normal in only two patients. pH-monitoring showed pathological reflux (% of time with pH < 4 more than 4.8%) in 10/17 (59%) patients. Manometric studies showed esophageal dysmotility in 12/17 (71%) of patients. Hypertensive lower sphincter was noted in 11/17 (65%) infants. Patients with normal manometry were older than patients presenting with esophageal dysmotility (P < 0.05). CONCLUSION This study shows a high frequency of gastroesophageal reflux and dysmotility in infants with vagal hyperreflectivity. Hypertensive lower esophageal sphincter as well as vagal hyperreflectivity may correspond to dysmaturity of autonomous nervous system and facilitate the occurrence of ALTE.
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Affiliation(s)
- L Michaud
- Service de pédiatrie, gastroentérologie pédiatrique et génétique médicale, CHU, hôpital Claude-Huriez, Lille, France
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Carpentier C, Pouille O, Schoepfer C, Palcoux J, Malpuech G. Hypoparathyroidie et myopathie association fortuite ? Arch Pediatr 1997. [DOI: 10.1016/s0929-693x(97)86576-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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39
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Carpentier C, Baude A. Immunocytochemical localisation of NK3 receptors in the dorsal vagal complex of rat. Brain Res 1996; 734:327-31. [PMID: 8896842] [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: 02/02/2023]
Abstract
Using immunohistochemistry, we demonstrate that neurons of the rat dorsal vagal complex (DVC) express NK3 receptors. The density of NK3-immunoreactive neurons depends of the different subnuclei of the nucleus tractus solitarii. The efferent vagal neurons of the dorsal nucleus of the vagus nerve highly express NK3. No NK3-immunoreactivity has been detected in the area postrema. Ultrastructural examination shows that NK3-immunoreactivity is principally present at non synaptic membrane of somatic and dendritic profiles. Therefore, neurokinin B and/or other ligands may act through a process of volume transmission on non synaptic NK3 receptors in the DVC.
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Affiliation(s)
- C Carpentier
- CNRS, Laboratoire de Neurobiologie, ENRC, Marseille, France
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40
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Maroudy D, Carpentier C. [Organ procurement and religion]. Soins Chir 1995:39-45. [PMID: 8715422] [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: 02/01/2023]
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41
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Ballester L, Pelayo P, Carpentier C, Petitin N, Carre A, Guerrin F. Évolution des paramètres ventilatoires du V̇O2max et des dimensions cardiaques chez le nageur de compétition au cours de la croissance (11–14 ans). Sci Sports 1992. [DOI: 10.1016/s0765-1597(05)80132-7] [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: 11/30/2022]
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42
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Wohlschies E, Largillière C, Carpentier C, Lequien P, Farriaux JP. [Obstructive apnea in the infant. An unusual disclosure of mucoviscidosis]. Presse Med 1988; 17:2306. [PMID: 2974964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
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43
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Zaoui C, Kacet N, Carpentier C, Lequien P. [Caffeine poisoning and a syndrome of salt loss in premature infants]. Arch Fr Pediatr 1988; 45:514. [PMID: 3202677] [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: 01/04/2023]
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44
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Carpentier C, Decorte D, Lelong M, Deroubaix P, Thelliez P, Vaneecloo FM. [Progressive rubella deafness]. Presse Med 1987; 16:1202. [PMID: 2955370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
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45
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Lequien P, Carpentier C, Zaoui C, Duquennoy C, Pierrat V. [Respiratory syncytial virus infections and apnea in low birth-weight infants]. Presse Med 1987; 16:719-21. [PMID: 2953011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Respiratory syncytial virus infection was observed in 20 infants of less than 6 months of age who had a low weight at birth, were premature and/or presented with intra-uterine growth retardation. Except for rhinitis, which was present in all cases, the symptoms were closely correlated to the gestational age: beyond 48 weeks they were those of a common lower respiratory tract infection, but below 48 weeks attacks of apnea predominated, associated or not with signs of bronchitis. The apnea was of central origin, although there was no meningo-encephalitis; it regressed completely and without sequelae within a few days. In spite of similarities (notably of terrain) with disorders of respiratory command regarded as predictive of the sudden infant death syndrome risk, such children must be considered definitely cured after the initial episode. Including them in a long-term monitoring programme does not seem to be justified.
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Lhermitte M, Houdret N, Broly F, Roussel P, Carpentier C, Zaoui C, Lequien P. Simultaneous administration of caffeine and phenobarbitone in infants with apnea. J Pediatr 1987; 110:666-7. [PMID: 3559825 DOI: 10.1016/s0022-3476(87)80584-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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47
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Carpentier C, Petit R, Henon P, Dalcher G. [Thrombopenia and disseminated intravascular coagulation induced by calcium heparinate]. Cah Anesthesiol 1984; 32:325-6. [PMID: 6529668] [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: 01/20/2023]
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48
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Hamilton R, Sillence D, Shimono L, Carpentier C. A method for uniform polymerization of large blocks of chondro-osseous tissue embedded in glycol methacrylate. Stain Technol 1979; 54:220-1. [PMID: 390771] [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: 12/15/2022]
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49
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Abstract
An unusual case of a light chain plasma cell myeloma is described. The disease was initially characterized by a diffuse lymphoplasmacytic bone marrow involvement, but subsequently developed widespread extramedullary metastases with anaplastic tumors in the skin which histologically resembled a "histiocytic lymphoma." Electron microscopic examination, in vitro protein synthesis of bone marrow lymphoidal cells, chemical and immunochemical studies of serum and urine proteins, and intracellular immunoglobulin study by the immunoperoxidase technique on the skin biopsy and postmortem tumor tissue demonstrated evidence for lambda light chain synthesis and secretion. These findings provide further support to the notion that the wide spectrum of diverse morphologic patterns seen in lymphoplasmacytic disorders originates from the same progenitor B-lymphoid cell. Distinguishing anaplastic variant of plasma cell myeloma from other undifferentiated neoplasms offers a challenge.
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50
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Carpentier C. [Prevention of traffic accidents]. LA NOUVELLE PRESSE MEDICALE 1974; 3:94. [PMID: 4815444] [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: 01/12/2023]
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