Inhibitors of glycosaminoglycans

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 7/08 (2006.01) A61K 38/10 (2006.01) A61P 35/00 (2006.01) A61P 37/00 (2006.01) C07K 14/78 (2006.01) C12Q 1/02 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2439409

The present invention provides peptide derivatives with a specific affinity for glycosaminoglycan molecules. These peptide derivatives include multimers as well as chemically modified peptides and may be prepared by a variety of methods. The peptides of the invention have numerous functions, including but not limited to use as inhibitors of glycosaminoglycan-mediated signaling events and targeting agents. Peptides of the invention may be directed against any glycosaminoglycan, including hyaluronic acid, chondroitin sulfate A, chondroitin sulfate C, dermatan sulfate, heparin, keratan sulfate, keratosulfate, chitin, chitosan 1, and chitosan 2. The peptide derivatives of the invention also have therapeutic uses in the treatment and prevention of diseases involving inflammatory diseases, cancer, and cancer metastasis, autoimmune diseases, etc.

L'invention concerne des dérivés peptidiques présentant une affinité spécifique pour les molécules de glycosaminoglycane. Ces dérivés peptidiques comprennent des mulitmères ainsi que des peptides modifiés chimiquement et peuvent être préparés par divers procédés. Les peptides décrits ont de nombreuses fonctions, et peuvent être utilisés notamment, mais non exclusivement, comme inhibiteurs des événements de signalisation régulés par le glycosaminoglycane, et comme agents de ciblage. Les peptides décrits peuvent être dirigés contre un glycosaminoglycane quelconque, notamment l'acide hyalonurique, le chondroïtine sulfate A, le dermatane sulfate, l'héparine, le kératane sulfate, le kératosulfate, la chitine, le chitosane 1 et le chitosane 2. Les dérivés peptidiques décrits ont également des applications thérapeutiques dans le traitement et la prévention de pathologies telles que les maladies inflammatoires, le cancer, les métastases cancéreuses, les maladies auto-immunes etc.

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