A novel non-selective cation channel in neuronal cells and...

A - Human Necessities – 61 – K

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Details

A61K 31/64 (2006.01) A61P 9/10 (2006.01)

Patent

CA 2643360

The present invention is directed to therapeutic compounds, treatment methods, and kits affecting the NCca-ATP channel of neural tissue, including neurons, glia and blood vessels within the nervous system, and methods of using same. The NCca-ATP channel is newly expressed in neural tissue following injury such as ischemia, and is regulated by the sulfonylurea receptor SURl, being inhibited by sulfonylurea compounds, e.g., glibenclamide and tolbutamide, and opened by diazoxide. Antagonists of the NCca-ATP channel, including SURl antagonists, are useful in the prevention, diminution, and treatment of injured or diseased neural tissue, including astrocytes, neurons and capillary endothelial cells, that is due to ischemia, tissue trauma, brain swelling and increased tissue pressure, or other forms of brain or spinal cord disease or injury. Agonists of the NCca-ATP channel may be are useful in the treatment neural tissue where damage or destruction of the tissue, such as a gliotic capsule, is desired.

La présente invention concerne des composés thérapeutiques, des procédés de traitement et des trousses affectant le canal NCCa-ATP du tissu nerveux, comprenant des neurones, des névroglies et des vaisseaux sanguins au sein du système nerveux, et leurs procédés d'utilisation. Le canal NCCa-ATP est d'expression récente dans le tissu nerveux suite à une lésion telle que l'ischémie, et est régulé par le récepteur de la sulfonylurée SURI, étant inhibé par des composés de sulfonylurée, par exemple, du glibenclamide et tolbutamide, et ouvert par du diazoxyde. Des antagonistes du canal NCCa-ATP, comprenant des antagonistes SURI, sont utiles dans la prévention, la réduction, et le traitement de tissu nerveux abîmé ou malade, comprenant des astrocytes, des neurones et des cellules endothéliales capillaires, qui est dû à l'ischémie, le traumatisme tissulaire, l'oedème cérébral et la pression tissulaire accrue, ou d'autres formes de maladie ou de lésion cérébrale ou de la moelle épinière. Des agonistes du canal NCCa-ATP peuvent être utiles dans le traitement de tissu nerveux où l'endommagement ou la destruction du tissu, tel que la capsule de tissu conjonctif, est souhaité.

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