Use of beta-glucans against biological warfare weapons and...

A - Human Necessities – 61 – K

Patent

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Details

A61K 31/716 (2006.01) A61K 31/7004 (2006.01) A61K 31/715 (2006.01) A61K 45/06 (2006.01) A61P 31/04 (2006.01)

Patent

CA 2501889

The present invention provides a means to broadly protect the military and the public from injury from biological warfare weapons, particularly infective agents such as anthrax. Beta (1,3)-glucans, particularly whole glucan particles, PGG-Glucan, and microparticulate glucan, provide general immune enhancement, thereby increasing the body's ability to defend against a wide variety of biological threats. Beta (1,3)-glucans have been shown to increase the resistance to infection by anthrax and other infectious organisms when administered before and after infection. The anti-infective mechanism of 3 (1,3)-glucan appears to involve stimulation of the innate immune system through increased cytokine release and CR3 receptor activation. Beta (1,3)- glucan is pharmaceutically stable, relatively compact, and can also be used without significant side effects. Beta (1,3)-glucan can also enhance the effectiveness of other medical countermeasures such as antibiotics, vaccines, and immune antibodies.

La présente invention concerne un moyen destiné à protéger globalement les militaires ainsi que les civils contre des lésions occasionnées par des armes de guerre biologiques, en particulier des agents infectieux tels que l'anthrax. Les Bêta (1,3)-glucanes, notamment les particules de glucanes entiers, le PGG-Glucane, et du glucane microparticulaire fournissent une augmentation immune générale, accroissant ainsi la capacité du corps à se défendre contre une large gamme de menaces biologiques. Les Bêta (1,3)-glucanes se sont illustrés par une augmentation de la résistance à l'infection par anthrax et d'autres organismes infectieux lorsqu'ils sont administrés avant et après infection. Le mécanisme anti-infectieux du .beta.(1,3)-glucane s'avère induire une stimulation du système immun inné par une libération accrue de cytokine et l'activation du récepteur CR3. Le Bêta (1,3)-glucane est pharmaceutiquement stable, relativement compact et peut aussi être utilisé sans effet secondaire notable. Le Bêta (1,3)-glucane peut également augmenter l'efficacité d'autres contre-mesures médicales telles que les antibiotiques, les vaccins et les anticorps immuns.

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