Chromosome 3p21.3 genes are tumor suppressors

C - Chemistry – Metallurgy – 12 – N

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C12N 15/12 (2006.01) A01K 67/00 (2006.01) A61K 48/00 (2006.01) C07K 14/47 (2006.01) C07K 16/18 (2006.01) C12N 5/12 (2006.01) C12N 15/85 (2006.01) C12N 15/861 (2006.01) C12P 21/00 (2006.01) C12Q 1/68 (2006.01) G01N 33/574 (2006.01)

Patent

CA 2415422

Tumor suppressor genes play a major role in the pathogenesis of human lung cancer and other cancers. Cytogenetic and allelotyping studies of fresh tumor and tumor-derived cell lines showed that cytogenetic changes and allele loss on the short arm of chromosome 3 (3p) are most frequently involved in about 90% of small cell lung cancers and greater than 50% of non-small cell lung cancers. A Group of recessive oncogenes, Fus1, 101F6, Gene 21 (NPRL2), Gene 26 (CACNA2D2), Luca 1 (HYAL1), Luca 2 (HYAL2), PL6, 123F2 (RaSSFI), SEM A3 and Beta* (BLU), as defined by homozygous deletions in lung cancers, have been located and isolated at 3p21.3.

Cette invention se rapporte à des gènes suppresseurs de tumeurs qui jouent un rôle majeur dans la pathogenèse du cancer des poumons chez l'homme et d'autres cancers. Des études de tumeurs fraîches et de lignées cellulaires dérivées de tumeurs du point de vue cytogénétique et du point de vue du type d'allèles ont montré que des modifications cytogénétiques et une perte d'allèles sur la branche courte du chromosome 3 (3p) sont le plus fréquemment impliquées dans environ 90 % des cancers des poumons à petites cellules et dans plus de 50 % des cancers des poumons non à petites cellules. Un groupe d'oncogènes récessifs Fus1, 101F6, gène 21, gène 26, Luca 1, Luca 2, PL6, 123 S2, SEM A3 et Bêta*, tels que définis par des délétions homozygotes dans les cancers des poumons, a été localisé et isolé au niveau du chromosome 3p21.3.

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