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Jurjanz S, Jondreville C, Mahieu M, Fournier A, Archimède H, Rychen G, Feidt C. Relative bioavailability of soil-bound chlordecone in growing lambs. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2014; 36:911-917. [PMID: 24729076 DOI: 10.1007/s10653-014-9608-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2013] [Accepted: 02/12/2014] [Indexed: 06/03/2023]
Abstract
The pollution of soil with the pesticide chlordecone (CLD) is a problem for the use of agricultural surfaces even years after its use has been forbidden. Therefore, the exposure of free-ranged animals such as ruminants needs to be investigated in order to assess the risk of contamination of the food chain. Indeed, measured concentrations could be integrated in a lowered extent if the soil binding would reduce the bioavailability of the pesticide. This bioavailability of soil-bound CLD in a heavily polluted andosol has been investigated relatively of CLD given via spiked oil. Twenty-four weaned lambs were exposed to graded doses of 2, 4 or 6 μg CLD/kg body weight during 15 days via the contaminated soil in comparison to spiked oil. The concentration of this pesticide has been determined in two target tissues: blood serum and kidney fat. The relative bioavailability (RBA) corresponds to the slope ratio between the test matrix-contaminated soil- in comparison to the reference matrix oil. The RBA of the soil-bound CLD was not found to significantly differ from the reference matrix oil in lambs meaning that the pesticide ingested by grazing ruminants would not be sequestered by soil binding. Therefore, CLD from soil gets bioavailable within the intestinal level and exposure to contaminated soil has to be integrated in risk assessments.
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Malliet N, Dahdah N, Khairy P, Rivard L, Talajic M, Fournier A. ELECTROCARDIOGRAPHIC DATA AND RHYTMIC EVENTS IN A PEDIATRIC COHORT OF MYOTONIC DYSTROPHY 1: A LONG TERM FOLLOW-UP STUDY. Can J Cardiol 2014. [DOI: 10.1016/j.cjca.2014.07.132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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78
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Abadir S, Blanchet C, Dahdah N, Mawad W, Khairy P, Fournier A. PREMATURE VENTRICULAR CONTRACTIONS IN HEALTHY CHILDREN: DOES THE BURDEN OF ECTOPY MATTER? Can J Cardiol 2014. [DOI: 10.1016/j.cjca.2014.07.133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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79
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Dahdah N, Fournier A, Bakloul M, Selly J, Girard P. KAWASAKI DISEASE SPECIFIC OPTICAL COHERENCE TOMOGRAPHY (OCT) FINDINGS. Can J Cardiol 2014. [DOI: 10.1016/j.cjca.2014.07.625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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80
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Fournier A, Justine JL. Ultrastructure of spermiogenesis and spermatozoa inEuzetrema knoepffleri(Platyhelminthes, Monogenea). Parasite 2014. [DOI: 10.1051/parasite/1994012123] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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81
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Cadeau C, Fagherazzi G, Mesrine S, Fournier A, Clavel-Chapelon F, Boutron-Ruault MC. Prise récente de complément en vitamine D et risque de cancer du sein après la ménopause dans la cohorte française E3N. Villejuif, France. Rev Epidemiol Sante Publique 2014. [DOI: 10.1016/j.respe.2014.06.074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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82
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Canaple S, Fournier A, Bugnicourt JM, Deramond H, Lamy C, Godefroy O. Syndrome de vasoconstriction cérébrale réversible et cardiomyopathie de Tako-Tsubo : une association fortuite ? ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.praneu.2014.06.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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83
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Fournier A, Mesrine S, Dossus L, Boutron-Ruault MC, Clavel-Chapelon F, Chabbert-Buffet N. Risque de cancer du sein après arrêt d’un traitement hormonal de la ménopause. Cohorte E3N, France. Rev Epidemiol Sante Publique 2014. [DOI: 10.1016/j.respe.2014.06.078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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84
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Selly J, Fournier A, Dahdah N. NTproBNP after Fontan anastomosis: Early versus late post-operative value. Arch Cardiovasc Dis 2014. [DOI: 10.1016/j.acvd.2014.07.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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85
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Kim W, Deniel A, Ropars M, Guillin R, Fournier A, Thomazeau H. How long should arthroscopic clavicular resection be in acromioclavicular arthropathy? A radiological-clinical study (with computed tomography) of 18 cases at a mean 4 years' follow-up. Orthop Traumatol Surg Res 2014; 100:S219-23. [PMID: 24703795 DOI: 10.1016/j.otsr.2014.03.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Endoscopic clavicular resection is a common procedure, but few studies have analyzed predictive factors for outcome. HYPOTHESES 1) Computed tomography (CT) of clavicular resection is reproductible; 2) Functional outcome correlates with resection length; 3) Other factors also influence outcome. MATERIAL AND METHODS Patients operated on between 2005 and 2010 were called back to establish functional scores (Constant, Simple Shoulder Test [SST], satisfaction) and undergo low-dose bilateral comparative computed tomography (CT) centered on the acromioclavicular joints. The assessment criteria were resection edge parallelism and resection length, measured using OsiriX software. Radiological and clinical data were correlated. RESULTS 18 out of 21 patients (85%: 3 female, 15 male) were assessed. Mean age at surgery was 49 years (range, 40-62 yrs); mean follow-up was 4.2 years (1.6-7.2 yrs). Mean Constant score rose from 57.7 (25-85) to 70.2 (30-96); mean postoperative SST was 9.3 (3-12). 11 patients had very good and 4 poor results. CT resection length was reproducible, with intraclass, intra- and interobserver correlation coefficients >95%. There was no significant correlation between articular resection length on CT and functional scores (P=0.2). Functional scores were negatively influenced by an occupational pathologic context (P<0.01) and by associated tendinopathy. DISCUSSION AND CONCLUSION Low-dose CT enabled reproducible analysis of clavicular resection. The hypothesized correlation between resection length and functional result was not confirmed. Work accidents and occupational disease emerged as risk factors. LEVEL OF EVIDENCE Single-center retrospective analytic cohort study. Level 4, guideline grade C.
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86
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Trottier-Boucher M, Lapointe A, Malo J, Fournier A, Raboisson M, Martin B, Moussa A. 80: Treatment of Pulmonary Arterial Hypertension Using Sildenafil in Neonates with Bronchopulmonary Dysplasia. Paediatr Child Health 2014. [DOI: 10.1093/pch/19.6.e35-78] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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87
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Fournier A, Ficheux M, Boutemy J, Guillard P, Hurault de Ligny B. SHU atypique chez un patient traité pour cancer de la prostate. Rev Med Interne 2014. [DOI: 10.1016/j.revmed.2014.03.140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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88
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Niakaté A, Fournier A, Chalumeau G, Migné G, Quelet S. L-02: Actualisation des vaccins nationaux recommandés lors de la préparation d’un voyage. Med Mal Infect 2014. [DOI: 10.1016/s0399-077x(14)70217-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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89
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Lenglet A, Liabeuf S, Guffroy P, Fournier A, Brazier M, Massy ZA. Use of nicotinamide to treat hyperphosphatemia in dialysis patients. Drugs R D 2014; 13:165-73. [PMID: 24000048 PMCID: PMC3784056 DOI: 10.1007/s40268-013-0024-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Hyperphosphatemia in chronic kidney disease (CKD) has been associated with elevated cardiovascular morbidity and mortality. Serum phosphate control remains a cornerstone of the clinical management of patients with CKD, in order to both attenuate the progression of secondary hyperparathyroidism or bone disease and (possibly) reduce the risk of vascular calcification. Despite technical improvements in dialysis and the use of dietary restrictions, drug therapy is often required to control phosphate levels in patients with end-stage renal disease (ESRD). Currently available medications for hyperphosphatemia in ESRD are very expensive and not always well tolerated. The discovery and development of new drugs in this indication is therefore a priority for both medical and health-economic reasons. Nicotinamide (an amide derivative of the water-soluble vitamin B3) is a potentially interesting alternative to phosphate binders. In vitro and in vivo data show that nicotinamide reduces hyperphosphatemia by inhibiting sodium-dependent phosphate co-transport in the renal proximal tubule and in the intestine. Accordingly, targeting the sodium-dependent phosphate co-transporter 2b by using nicotinamide as an alternative or adjunct to classical phosphate binders may be a therapeutic option for modulating serum phosphate in CKD. Several recent clinical studies have explored the potential value of nicotinamide in phosphate control (as well as its effects on lipid levels) in dialysis patients. However, we consider that more data on pharmacodynamics, pharmacokinetics and safety are needed before this compound can be recommended as a treatment for hyperphosphatemia in ESRD patients.
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90
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Feka A, Fournier A, Perrottet N, Thein E, Demartines N, Pannatier A, Voirol P. CP-154 Metamizole and post operative analgesia: are the guidelines respected? Eur J Hosp Pharm 2014. [DOI: 10.1136/ejhpharm-2013-000436.152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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91
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Fournier A, Oprisiu-Fournier R, Serot JM, Godefroy O, Achard JM, Faure S, Mazouz H, Temmar M, Albu A, Bordet R, Hanon O, Gueyffier F, Wang J, Black S, Sato N. Prevention of dementia by antihypertensive drugs: how AT1-receptor-blockers and dihydropyridines better prevent dementia in hypertensive patients than thiazides and ACE-inhibitors. Expert Rev Neurother 2014; 9:1413-31. [DOI: 10.1586/ern.09.89] [Citation(s) in RCA: 91] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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92
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Oprisiu-Fournier R, Faure S, Mazouz H, Boutitie F, Serot JM, Achard JM, Godefroy O, Hanon O, Temmar M, Albu A, Strandgaard S, Wang J, Black SE, Fournier A. Angiotensin AT1-receptor blockers and cerebrovascular protection: do they actually have a cutting edge over angiotensin-converting enzyme inhibitors? Expert Rev Neurother 2014; 9:1289-305. [DOI: 10.1586/ern.09.88] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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93
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Kajbaf F, Mentaverri R, Diouf M, Fournier A, Kamel S, Lalau JD. The Association between 25-Hydroxyvitamin D and Hemoglobin A1c Levels in Patients with Type 2 Diabetes and Stage 1-5 Chronic Kidney Disease. Int J Endocrinol 2014; 2014:142468. [PMID: 25250050 PMCID: PMC4163314 DOI: 10.1155/2014/142468] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Revised: 07/18/2014] [Accepted: 08/14/2014] [Indexed: 12/03/2022] Open
Abstract
Aim. To examine the relationship between plasma 25-hydroxyvitamin D (25(OH)D) levels and blood hemoglobin A1c (HbA1c) levels in diabetic patients at various stages of chronic kidney disease (CKD). Methods. We screened for data collected between 2003 and 2012. The correlation between 25(OH)D and HbA1c levels was studied in patients categorized according to the severity of CKD and their vitamin D status. A multivariate linear regression model was used to determine whether 25(OH)D and HbA1c levels were independently associated after adjustment for a number of covariates (including erythrocyte metformin levels). Results. We identified 542 reports from 245 patients. The mean HbA1c value was 6.7 ± 1.0% in vitamin D sufficiency, 7.3 ± 1.5% in insufficiency, and 8.4 ± 2.0% in deficiency (P < 0.0001). There was a negative correlation between 25(OH)D and HbA1c levels for the population as a whole (r = -0.387, P < 0.0001) and in the CKD severity subgroups (r = -0.384, P < 0.0001 and r = -0.333, P < 0.0001 for CKD stages 1-3 and 4-5, resp.). In the multivariate analysis, the 25(OH)D level was the only factor associated with HbA1c (P < 0.0001). Conclusion. 25(OH)D levels were negatively correlated with HbA1c levels independently of study covariates.
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94
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Rinaldi S, Kaaks R, Friedenreich CM, Key TJ, Travis R, Biessy C, Slimani N, Overvad K, Østergaard JN, Tjønneland A, Olsen A, Mesrine S, Fournier A, Dossus L, Lukanova A, Johnson T, Boeing H, Vigl M, Trichopoulou A, Benetou V, Trichopoulos D, Masala G, Krogh V, Tumino R, Ricceri F, Panico S, Bueno-de-Mesquita HB, Monninkhof EM, May AM, Weiderpass E, Quirós JR, Travier N, Molina-Montes E, Amiano P, Huerta JM, Ardanaz E, Sund M, Johansson M, Khaw KT, Wareham N, Scalbert A, Gunter MJ, Riboli E, Romieu I. Physical activity, sex steroid, and growth factor concentrations in pre- and post-menopausal women: a cross-sectional study within the EPIC cohort. Cancer Causes Control 2014; 25:111-24. [PMID: 24173534 DOI: 10.1007/s10552-013-0314-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2013] [Accepted: 10/14/2013] [Indexed: 01/13/2023]
Abstract
PURPOSE Increased physical activity (PA) is associated with a reduced risk of several cancers. PA may reduce cancer risk by changing endogenous hormones levels, but relatively little research has focused on this topic. The purpose of this study was to elucidate the relation between PA and endogenous hormone concentrations. METHODS A cross-sectional analysis of 798 pre- and 1,360 post-menopausal women included as controls in case-control studies on endogenous hormones (steroids, progesterone, sex-hormone-binding globulin (SHBG), and growth factors) levels, and cancer risk nested within European Prospective Investigation into Cancer and Nutrition cohort was performed. Multivariate regression analyses were performed to compare geometric mean levels of hormones and SHBG by categories of PA. RESULTS In pre-menopausal women, active women had 19 % significantly lower concentrations of androstenedione, 14 % lower testosterone, and 20 % lower free testosterone than inactive women, while no differences were observed for estrogens, progesterone, SHBG, and growth factors. In post-menopausal women, active women had 18 % significantly lower estradiol and 20 % lower free estradiol concentrations than inactive women, while no differences were observed for the other hormones and SHBG. More vigorous forms of physical activity were associated with higher insulin-like growth factor-I concentrations. Adjustment for body mass index did not alter the associations. Overall, the percentage of variance in hormone concentrations explained by PA levels was <2 %. CONCLUSIONS Our results support the hypothesis of an influence, although small in magnitude, of PA on sex hormone levels in blood, independent of body size.
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95
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Portha B, Fournier A, Kioon MDA, Mezger V, Movassat J. Early environmental factors, alteration of epigenetic marks and metabolic disease susceptibility. Biochimie 2013; 97:1-15. [PMID: 24139903 DOI: 10.1016/j.biochi.2013.10.003] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2013] [Accepted: 10/07/2013] [Indexed: 12/11/2022]
Abstract
The environmental conditions that are experienced in early life can profoundly influence human biology and long-term health. Early-life nutrition and stress are among the best documented examples of such conditions because they influence the adult risk of developing metabolic diseases, such as type 2 diabetes mellitus (T2D) and cardiovascular diseases. It is now becoming increasingly accepted that environmental compounds including nutrients can produce changes in the genome activity that in spite of not altering DNA sequence can produce important, stable and transgenerational alterations in the phenotype. Epigenetic changes, in particular DNA methylation and histone acetylation/methylation, provide a 'memory' of developmental plastic responses to early environment and are central to the generation of phenotypes and their stability throughout the life course. Their effects may only become manifest later in life, e.g. in terms of altered responses to environmental challenges.
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96
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Hanna B, Dahdah N, Lapierre C, Trinh Tan F, Desjardins L, Fournier A. Transitory Coronary Artery Dilatation Following Kawasaki Disease: The Truth and Myth of Coronary Dominance. Can J Cardiol 2013. [DOI: 10.1016/j.cjca.2013.07.094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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97
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Kim W, Fournier A, Thomazeau H, Ropars M. [Reconstruction of the thumb for an epithelioid sarcoma using a kite flap. A case report]. ACTA ACUST UNITED AC 2013; 32:345-9. [PMID: 24075501 DOI: 10.1016/j.main.2013.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2013] [Revised: 08/07/2013] [Accepted: 08/11/2013] [Indexed: 11/30/2022]
Abstract
Epithelioid sarcoma is a rare lesion usually involving extremities. We report the case of a patient presenting with an epithelioid sarcoma of the dorsal aspect of the thumb. Surgical treatment consisted in a wide resection, arthrodesis of the metacarpophalangeal joint of the thumb and skin coverage with a kite flap. This case report illustrates a rare diagnosis potentially encountered by hand surgeons and the possible use of a kite flap in a non-traumatic context.
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98
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Abadir S, Vobecky S, Rohlicek C, Fournier A, Roméo P, Khairy P. Left Atrial Inexcitability in Pediatric Patients With Congenital Lupus Induced Complete Atrioventricular Block. Can J Cardiol 2013. [DOI: 10.1016/j.cjca.2013.07.110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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99
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Nandlall I, Maurice R, Fournier A, Dahdah N. Stiffness of the Ascending Aorta as a Potential Surrogate for Systemic Vasculitis Quantification: Preliminary Results From Healthy Children and Patients With Kawasaki Disease. Can J Cardiol 2013. [DOI: 10.1016/j.cjca.2013.07.389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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100
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Chatenet D, Létourneau M, Nguyen QT, Doan ND, Dupuis J, Fournier A. Discovery of new antagonists aimed at discriminating UII and URP-mediated biological activities: insight into UII and URP receptor activation. Br J Pharmacol 2013; 168:807-21. [PMID: 22994258 DOI: 10.1111/j.1476-5381.2012.02217.x] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2011] [Revised: 08/15/2012] [Accepted: 08/27/2012] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND AND PURPOSE Recent evidence suggested that urotensin II (UII) and its paralog peptide UII-related peptide (URP) might exert common but also divergent physiological actions. Unfortunately, none of the existing antagonists were designed to discriminate specific UII- or URP-associated actions, and our understanding, on how these two endogenous peptides can trigger different, but also common responses, is limited. EXPERIMENTAL APPROACH Ex vivo rat and monkey aortic ring contraction as well as dissociation kinetics studies using transfected CHO cells expressing the human urotensin (UT) receptors were used in this study. KEY RESULTS Ex vivo rat and monkey aortic ring contraction studies revealed the propensity of [Pep(4)]URP to decrease the maximal response of human UII (hUII) without any significant change in potency, whereas no effect was noticeable on the URP-induced vasoconstriction. Dissociation experiments demonstrated the ability of [Pep(4)]URP to increase the dissociation rate of hUII, but not URP. Surprisingly, URP, an equipotent UII paralog, was also able to accelerate the dissociation rate of membrane-bound (125)I-hUII, whereas hUII had no noticeable effect on URP dissociation kinetics. Further experiments suggested that an interaction between the glutamic residue at position 1 of hUII and the UT receptor seems to be critical to induce conformational changes associated with agonistic activation. Finally, we demonstrated that the N-terminal domain of the rat UII isoform was able to act as a specific antagonist of the URP-associated actions. CONCLUSION Such compounds, that is [Pep(4)]URP and rUII(1-7), should prove to be useful as new pharmacological tools to decipher the specific role of UII and URP in vitro but also in vivo.
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