Molecular characterisation of chromosome translocation...

C - Chemistry – Metallurgy – 12 – N

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C12N 15/62 (2006.01) C07K 14/47 (2006.01) C07K 16/18 (2006.01) C07K 19/00 (2006.01) C12N 5/10 (2006.01) C12N 15/12 (2006.01) C12Q 1/68 (2006.01) G01N 33/53 (2006.01)

Patent

CA 2374882

The invention discloses means and methods for determining whether a tissue sample or an analogue and/or derivative thereof comprises a cell with a chromosome {11:18} translocation associated with malignancies such as mucosa-associated lymphoid tissue (MALT) lymphoma's. The invention further provides insight into a novel mechanism of transformation of primary cells. Said mechanism involving expression of a fusion proteinaceous molecule comprising at least apoptosis inhibitor 2 (API2) or a functional part, derivative and/or analogue thereof fused to at least one other proteinaceous molecule. The invention also provides a novel nucleic acid sequence and proteinaceous molecule expressed from said sequence termed MALT-lymphoma associated Translocation (MLT) protein.

Cette invention concerne des dispositifs et des méthodes permettant de déterminer si un échantillon de tissu ou analogue et/ou un dérivé dudit échantillon renferme une cellule avec une translocation de chromosomes {11:18} associée à des tumeurs malignes telles qu'un lymphome du système lymphoïde des muqueuses (MALT). L'invention s'intéresse également à un nouveau mécanisme de transformation des cellules primaires. Ledit mécanisme repose sur l'expression d'une molécule protéinique hybride qui renferme au moins un inhibiteur d'apoptose 2 (API2) ou une partie fonctionnelle, un dérivé et/ou un analogue de cet inhibiteur accolé hybridée avec au moins une autre molécule protéinique. L'invention concerne également une nouvelle séquence d'acides nucléiques et une molécule protéinique exprimée à partir de ladite séquence, dite protéine de translocation associée au lymphome MALT (MLT).

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