53bp2 complexes

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/12 (2006.01) A01K 67/027 (2006.01) A61K 38/17 (2006.01) A61K 39/395 (2006.01) C07K 14/18 (2006.01) C07K 14/47 (2006.01) C12N 1/19 (2006.01) C12N 15/62 (2006.01) C12N 15/85 (2006.01) C12Q 1/00 (2006.01) C12Q 1/68 (2006.01) G01N 33/566 (2006.01) G01N 33/68 (2006.01) A61K 38/00 (2006.01) A61K 48/00 (2006.01)

Patent

CA 2303405

The present invention discloses complexes of the 53BP2 protein with proteins identified as interacting with 53BP2 (53BP2-IPs) by a yeast two hybrid assay system. The proteins which were demonstrated to interact with 53BP2 are: .beta.-tubulin, p62, hnRNP G, and three gene products, 53BP2:IP-1, 53BP2:IP-2 and 53BP2:IP-3, which are encoded (in part) by the EST R72810 sequence. Thus, the present invention discloses complexes of 53BP2 and .beta.-tubulin, p62, hnRNP G, 53BP2:IP-1, 53BP2:IP-2 and 53BP2:IP-3, and derivatives, fragments and analogs thereof. The present invention also discloses the 53BP2:IP-1, 53BP2:IP- 2 and 53BP2:IP-3 genes and proteins, as well as derivatives, fragments and analogs thereof. Methodologies for screening the aforementioned complexes for efficacy in treating and/or preventing certain diseases and disorders (particularly, cancer, autoimmune disease and neurodegenerative disease) are also provided by the present invention.

L'invention concerne des complexes formés par la protéine 53BP2 avec des protéines interactives avec 53BP2 (53BP2-IPs) identifiées au moyen d'un système de test à deux hybrides sur levure. Les protéines qui ont montré une interaction avec 53BP2 sont: la .beta.-tubuline, p62, hnRNP G, et trois produits géniques: 53BP2:IP-1, 53BP2:IP-2 et 53BP2:IP-3, codés (en partie) par la séquence EST R72810. L'invention concerne par conséquent des complexes de 53BP2 avec la .beta.-tubuline, p62, hnRNP G, 53BP2:IP-1, 53BP2:IP-2 et 53BP2:IP-3 et les dérivés, fragments et analogues de ces derniers. L'invention concerne également les gènes et protéines 53BP2:IP-1, 53BP2:IP-2 et 53BP2:IP-3 ainsi que les dérivés, fragments et analogues de ces derniers. L'invention concerne en outre des méthodes de sélection des complexes décrits ci-dessus en fonction de leur efficacité dans le traitement et/ou la prévention de certaines maladies et de certains troubles (notamment, le cancer, les maladies auto-immunes et les maladies neurodégénératives).

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