Le Rouen ayant à bord M. Poincaré arrivé à Douvres [le 10 novembre 1919] : [photographie de presse] / [Agence Rol]

Référence bibliographique : Rol, 56897

[Cratère en calice attique à figures rouges] : [Thraces] : [dessin]

Ancien possesseur : Millin, Aubin-Louis (1759-1818)

[Cratère en cloche à figures rouges] : [Trois femmes et deux hommes dont l'un en costume oriental] : [dessin]

Ancien possesseur : Millin, Aubin-Louis (1759-1818)

[Cratère en calice attique à figures rouges] : [Orphée en Thrace] : [dessin]

Ancien possesseur : Millin, Aubin-Louis (1759-1818)

Le Shah de Perse à son arrivée à Douvres [31 octobre 1919] : [photographie de presse] / [Agence Rol]

Référence bibliographique : Rol, 56797

Monument de la victoire à Oxford : [photographie de presse] / [Agence Rol]

Référence bibliographique : Rol, 55011

[Karel] Kozeluh [joueur de tennis aux éliminatoires des Jeux interalliés] : [photographie de presse] / [Agence Rol]

Référence bibliographique : Rol, 54243

Matthey [i. e. Dean Mathey, joueur américain de tennis aux éliminatoires des Jeux interalliés] : [photographie de presse] / [Agence Rol]

Référence bibliographique : Rol, 54242

[Watson] Washburn [joueur de tennis américain aux éliminatoires des Jeux interalliés] : [photographie de presse] / [Agence Rol]

Référence bibliographique : Rol, 54240

M. et Mme Poincaré reçus à Buckingham Palace [par le prince Albert le 11 novembre 1919] : [photographie de presse] / [Agence Rol]

Référence bibliographique : Rol, 56906

Le NS 7 [dirigeable anglais volant au dessus d'un navire de guerre] à Southend : [photographie de presse] / [Agence Rol]

Référence bibliographique : Rol, 55084

Optimal management of elderly patients with glioblastoma.

Median age at diagnosis in patients with glioblastoma (GB) is slowly increasing with an aging population in Western countries, and was 64years in 2006. The number of patients age 65 and older with GB will double in 2030 compared with 2000. Survival in this older cohort of patients is significantly less than seen in younger patients. This may in part be related to more aggressive biology of tumor, reduced use of standard management approaches, increased toxicity of available therapies, and increased presence of comorbidities in this older patient population. Limited data do support the use of more extensive resection in these patients. Randomized data support the use of post-operative radiotherapy (RT) versus supportive care, but do not demonstrate a benefit for the use of the standard 6weeks course of RT over hypofractionated RT given over 3weeks. Preliminary data of randomized studies raise the possibility of temozolomide alone as an option for these patients. The use of 6weeks of RT with concurrent and adjuvant temozolomide has been associated with reasonably good survival in several uncontrolled small series of selected older patients; however, this better outcome may be related to the selection of better prognosis patients rather than the specific therapy utilized. The current National Cancer Institute of Canada (NCIC) and European Organization for Research and Treatment of Cancer (EORTC) CE.6/26062/22061 randomized study of short course RT with or without concurrent and adjuvant temozolomide will help determine the optimal therapy for this older cohort with currently available therapies.

Functional diversification of duplicate genes through subcellular adaptation of encoded proteins.

BACKGROUND: Gene duplication is the primary source of new genes with novel or altered functions. It is known that duplicates may obtain these new functional roles by evolving divergent expression patterns and/or protein functions after the duplication event. Here, using yeast (Saccharomyces cerevisiae) as a model organism, we investigate a previously little considered mode for the functional diversification of duplicate genes: subcellular adaptation of encoded proteins. RESULTS: We show that for 24-37% of duplicate gene pairs derived from the S. cerevisiae whole-genome duplication event, the two members of the pair encode proteins that localize to distinct subcellular compartments. The propensity of yeast duplicate genes to evolve new localization patterns depends to a large extent on the biological function of their progenitor genes. Proteins involved in processes with a wider subcellular distribution (for example, catabolism) frequently evolved new protein localization patterns after duplication, whereas duplicate proteins limited to a smaller number of organelles (for example, highly expressed biosynthesis/housekeeping proteins with a slow rate of evolution) rarely relocate within the cell. Paralogous proteins evolved divergent localization patterns by partitioning of ancestral localizations ('sublocalization'), but probably more frequently by relocalization to new compartments ('neolocalization'). We show that such subcellular reprogramming may occur through selectively driven substitutions in protein targeting sequences. Notably, our data also reveal that relocated proteins functionally adapted to their new subcellular environments and evolved new functional roles through changes of their physico-chemical properties, expression levels, and interaction partners. CONCLUSION: We conclude that protein subcellular adaptation represents a common mechanism for the functional diversification of duplicate genes.