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3. Présentation clinique et performance de la bandelette urinaire pour le diagnostic d’infection urinaire en population gériatrique

Author

Coudert, M., Pépin, M., de Thezy, A., Fercot, E., Laycuras, M., Coudert, A.-L., Duran, C., Bouchand, F., Davido, B., Le Crane, M., Denis, B., Muller, F., Gourdon, M., Peng, C.-L., Mahamdia, R., Mekerta, Z., Seridi, Z., Gaillard, J.-L., Leichowski, L., Moulias, S., Rottman, M., Sivadon-Tardy, V., Teillet, L., and Dinh, A.

Published
2019
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6. Evolution du profil cognitive des patients ayant une maladie rénale chronique : étude longitudinale de la cohorte CKD REIN

Author

Levassort, H., primary, Pépin, M., additional, Boucquemont, J., additional, Lambert, O., additional, Alencar De Pinho, N., additional, Turinici, M., additional, Helmer, C., additional, Metzger, M., additional, Teillet, L., additional, Frimat, L., additional, Combe, C., additional, Fouque, D., additional, Laville, M., additional, Ayav, C., additional, and Jacquelinet, C., additional

Published
2022
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10. Socioeconomic status of patients hospitalized for COVID-19 in the Greater Paris area

Author

Sesé, L., primary, Nguyen medical, Y., additional, Giroux Leprieur, E., additional, Annesi-Maesano, I., additional, Cavalin, C., additional, Goupil de Bouillé, J., additional, Demestier, L., additional, Dhote, R., additional, Tandjaoui-Lambiotte, Y., additional, Bauvois, A., additional, Teillet, L., additional, Curac, S., additional, Beaune, S., additional, Duchemann, B., additional, and Nunes, H., additional

Published
2021
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13. Statut socio-économique des patients hospitalisés pour COVID-19 en région parisienne

Author

Sese, L., primary, Nguyen, Y., additional, Giroux-Leprieur, E., additional, Annesi-Maesano, I., additional, Cavalin, C., additional, Goupil, J., additional, Demestier, L., additional, Dhote, R., additional, Tandjaoui, Y., additional, Curac, S., additional, Teillet, L., additional, Bauvois, A., additional, Beaune, S., additional, Duchemann, B., additional, and Nunes, H., additional

Published
2021
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14. Urea transporter expression in aging kidney and brain during dehydration

Author

Trinh-Trang-Tan, M.-M., Geelen, G., Teillet, L., and Corman, B.

Subjects
Kidneys -- Research, Biological sciences
Abstract

Aging is commonly associated with defective urine-concentrating ability. The present study examined how the kidney and the brain of senescent (30-mo-old) female WAG/Rij rats respond to dehydration induced by 2 days of water deprivation in terms of urea transporter (UT) regulation. In euhydrated situation, senescent rats exhibited similar vasopressin plasma level but lower urine osmolality and papillary urea concentration and markedly reduced kidney UT-A1, UT-A3, and UT-B1 abundances compared with adult (10-mo-old) rats. Senescent rats responded to dehydration similarly to adult rats by a sixfold increase in vasopressin plasma level. Their papillary urea concentration was doubled, without, however, attaining that of dehydrated adult rats. Such an enhanced papillary urea sequestration occurred with a great fall of both UT-A1 and UT-A3 abundances in the tip of inner medulla and an increased UT-A1 abundance in the base of inner medulla. UT-A2 and UT-B1 were unchanged. These data suggest that the inability of control and thirsted senescent rats to concentrate urine as much as their younger counterparts derives from lower papillary urea concentration. In aging brain, UT-B1 abundance was increased twofold together with a fourfold increase in aquaporin-4 abundance. Dehydration did not alter the abundance of these transporters. papillary osmolality; urea transporter-A1, -A2, -A3, and -B1; aquaporin-4; vasopressin

Published
2003

16. Food restriction prevents age-related polyuria by vasopressin-dependent recruitment of aquaporin-2

Author

Combet, S., Teillet, L., Geelen, G., Pitrat, B., Gobin, R., Nielsen, S., Trinh-Trang-Tan, M.-M., Corman, B., and Verbavatz, J.-M.

Subjects
Vasopressin -- Physiological aspects, Kidneys -- Physiological aspects, Urea -- Physiological aspects, Biological sciences
Abstract

Combet, S., L. Teillet, G. Geelen, B. Pitrat, R. Gobin, S. Nielsen, M.-M. Trinh-Trang-Tan, B. Corman, and J.-M. Verbavatz. Food restriction prevents age-related polyuria by vasopressin-dependent recruitment of aquaporin-2. Am J Physiol Renal Physiol 281: F1123--F1131, 2001. First published August 8, 2001; 10.1152/ajprenal.00139.2001.--The mechanisms underlying the prevention of age-related polyuria by chronic food restriction were investigated in female WAG/Rij rats. The decreased osmolality of renal papilla observed in senescent rats was not corrected by food restriction. A reduced urea content in the inner medulla of senescent rats, fed ad libitum or food-restricted, was suggested by the marked decrease in expression of UT-A1 and UT-B1 urea transporters. Aquaporin-2 (AQP2) downregulation in the inner medulla of senescent rats was partially prevented by food restriction. Both AQP2 and the phosphorylated form of AQP2 (p-AQP2), the presence of which was diffuse within the cytoplasm of collecting duct principal cells in normally fed senescent rats, were preferentially targeted at the apical region of the cells in food-restricted senescent animals. Plasma vasopressin (AVP) was similar in 10- and 30-mo-old rats fed ad libitum, but was doubled in foodrestricted 30-mo-old rats. This study indicates that 1) kidney aging is associated with a marked decrease in AQP2, UT-A1, and UT-B1 expression in the inner medulla and a reduced papillary osmolality; and 2) the prevention of age-related polyuria by chronic food restriction occurs through an improved recruitment of AQP2 and p-AQP2 to the apical membrane in inner medulla principal cells, permitted by increased plasma AVP concentration. kidney aging; phosphorylation; urea transporters Received 4 May 2001; accepted in final form 9 August 2001

Published
2001

18. Liste des auteurs

Author

Amalberti, F., primary, Béguin, A.-M., additional, Belmin, J., additional, Berbezier, Y., additional, Bernard, M.-F., additional, Bruhat, A., additional, Bruyère, A., additional, Bussone, M., additional, Clément, R., additional, Delignières, M., additional, Denis, B., additional, Dondelinger, R., additional, Geoffre, C., additional, Givaudan, M., additional, Hamon-Mekki, F., additional, Hugonot, R., additional, Jouteau-Neves, C., additional, Le Corre, C., additional, Lefebvre-Chapiro, S., additional, Lefebvre Des Noettes, V., additional, Malaquin-Pavan, E., additional, Marzais, M., additional, Meaume, S., additional, Mémin, C., additional, Michel, J.-P., additional, Michot, P., additional, Moulias, R., additional, Muller, F., additional, Oasi, C., additional, Ollivet, C., additional, Pariel-Madjlessi, S., additional, Perret, C., additional, Petit, C., additional, Pierrot, M., additional, Plissier, S., additional, Pottiez, S., additional, Rainfray, M., additional, Renaud, O., additional, Robcis, I., additional, Rodat, O., additional, Sebag-Lanoë, R., additional, Teillet, L., additional, Trivalle, C., additional, and Vassel, P., additional

Published
2005
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20. Vasopressin V2 receptor mRNA expression and cAMP accumulation in aging rat kidney

Author

Klinger, C., Preisser, L., Barrault, M.B., Lluel, P., Horgen, L., Teillet, L., Ancellin, N., and Corman, B.

Subjects
Vasopressin -- Physiological aspects, Aging -- Physiological aspects, Kidneys -- Physiological aspects, Kidney tubules -- Physiological aspects, Cyclic adenylic acid -- Physiological aspects, Biological sciences
Abstract

The effects of aging on the levels of the vasopressin V2 receptor messenger RNA and adenosine 3'5'-cyclic monophosphate (cAMP) accumulation were analyzed in rat medullary thick ascending limb of Henle's loop (MTAL). The vasopressin-induced accumulation of cAMP was proportional to the amount of MTAL in the presence of 3-isobutyl-1-methylxanthine (IBMX). Age-related changes in vasopressin response also reduced cAMP accumulation in response to the maximal stimulation of the V2 receptor.

Published
1997

24. Downregulation of aquaporin-2 and-3 in aging kidney is independent of [V.sub.2] vasopressin receptor

Author

PREISSER, L., TEILLET, L., ALIOTTI, S., GOBIN, R., BERTHONAUD, V., CHEVALIER, J., CORMAN, B., and VERBAVATZ, J.-M

Subjects
Vasopressin -- Physiological aspects, Kidneys -- Physiological aspects, Hormone receptors -- Physiological aspects, Biological sciences
Abstract

Downregulation of aquaporin-2 and -3 in aging kidney is independent of [V.sub.2] vasopressin receptor. Am J Physiol Renal Physiol 279: F144-F152, 2000.--The mechanisms underlying age-related polyuria were investigated in 10- and 30-mo-old female WAG/Rij rats. Urinary volume and osmolality were 3.9 [+ or -] 0.3 ml/24 h and 2,511 [+ or -] 54 mosmol/kg[H.sub.2]0 in adult rats and 12.8 [+ or -] 0.8 ml/24 h and 1,042 [+ or -] 44 mosmol/kg[H.sub.2]0 in senescent animals. Vasopressin [V.sub.2] receptor mRNA did not significantly differ between 10 and 30 mo, and [[sup.3]H] vasopressin binding sites in membrane papilla were reduced by 30%. The cAMP content of the papilla was unchanged with age, whereas papillary osmolality was significantly lowered in senescent animals. The expression of aquaporin-1 (AQP1) and -4 was mostly unaltered from 10 to 30 mo. In contrast, aquaporin-2 (AQP2) and -3 (AQP3) expression was downregulated by 80 and 50%, respectively, and AQP2 was markedly redistributed into the intracellular compartment, in inner medulla of senescent animals, but not in renal cortex. These results indicate that age-related polyuria is associated with a downregulation of AQP2 and AQP3 expression in the medullary collecting duct, which is independent of vasopressin-mediated cAMP accumulation. aquaporins

Published
2000

35. Prévalence du syndrome confusionnel chez les patients âgés de 75ans et plus, hospitalisés en court séjour à l’Assistance publique–Hôpitaux de Paris de 2004 à 2008

Author

Lechowski, L., primary, Grandcollot, L., additional, Van Pradelles, S., additional, Aubert, L., additional, Vetillard, A.L., additional, Seridi, Z., additional, Denis, B., additional, Le Crane, M., additional, Muller, F., additional, Tortrat, D., additional, and Teillet, L., additional

Published
2011
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48. P4-9 Analyse de l’impact du niveau des revenus des patients atteints de maladie d’Alzheimer sur l’évolution de leur maladie : résultats de l’étude REAL.FR.

Author

Tarrade, P., primary, Lechowski, L., additional, Denis, B., additional, Perrine, I., additional, De Stampa, M., additional, Muller, F., additional, Valentin, C., additional, Tortrat, D., additional, Piol, S., additional, Dieudonné, B., additional, Robert, P.H., additional, Boulhassas, R., additional, Teillet, L., additional, and Vellas, B., additional

Published
2005
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49. P2-21 Changement ou interruption de traitement anticholinestérasique chez des patients atteints de maladie d’alzheimer : résultats de l’étude REAL.FR.

Author

Tarrade, P., primary, Lechowski, L., additional, Denis, B., additional, Perrine, I., additional, De stampa, M., additional, Muller, F., additional, Valentin, C., additional, Tortrat, D., additional, Piol, S., additional, Dieudonné, B., additional, Robert, P.H., additional, Boulhassas, R., additional, Teillet, L., additional, and Vellas, B., additional

Published
2005
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