Protein phosphorylation in anaplastic large cell lymphoma

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 16/18 (2006.01) C12N 5/16 (2006.01) G01N 33/574 (2006.01) G01N 33/60 (2006.01) C07K 7/08 (2006.01)

Patent

CA 2556021

The invention discloses 211 novel phosphorylation sites identified in signal transduction proteins and pathways underlying Anaplastic Large Cell Lymphoma (ALCL) involving the ALK-NPM translocation/fusion, and provides phosphorylation-site specific antibodies and heavy-isotope labeled peptides (AQUA peptides) for the selective detection and quantification of these phosphorylated sites/proteins, as well as methods of using the reagents for such purpose. Among the phosphorylation sites identified are sites occurring in the following protein types: Protein Kinases (including Receptor Tyrosine Kinases), Adaptor/Scaffold Proteins, Cellular Metabolism or Miscellaneous Enzymes, Oxidoreductases, Transcription Factors, Cytoskeletal Proteins, Translation Initiation Complexes, RNA Binding Proteins, Proteases, Acetyltransferases, G protein regulators/GTPases, Helicases, Apoptosis/Cell Cycle Regulation proteins, and Hydrolases.

La présente invention a trait à 211 nouveaux sites de phosphorylation identifiés dans des protéines et des voies de transduction de signalisation sous-jacentes au lymphome cellulaire large anaplasique (ALCL) impliquant la translocation/fusion ALK-NPM, et fournit des anticorps spécifiques de sites de phosphorylation et des peptides marqués d'isotopes lourds (peptides AQUA) pour la détection sélective et la quantification de ces sites/protéines phosphorylés, ainsi qu'à des procédés d'utilisation de réactifs à de telles fins. Parmi les sites de phosphorylation identifiés se trouvant dans les types de protéines suivants : les protéine kinases (comprenant les tyrosine kinases réceptrices), les protéines d'adaptation/d'échafaudage, le métabolisme cellulaire ou des enzymes diverses, des oxydéréductases, des facteurs de transcription, des protéines à cytosquelette, des complexes d'initiation de translation, des protéines de liaison à l'ARN, des protéases, des acétyltransférases, des régulateurs de la protéine g/Gtpases, des hélicases, des protéines de régulation de l'apoptose/cycle cellulaire, et des hydrolases.

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