Novispirins: antimicrobial peptides

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 7/08 (2006.01) A61K 38/17 (2006.01) A61P 31/00 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2415236

Novisprin peptides are antimicrobial agents with potent activity against Gram- negative bacteria. The peptides are nonhemolytic, exhibit reduced in vitro cytotoxicity relative to other antimicrobial peptides, and were well-tolerated in vivo after intravenous injection. Novispirins also bind lipopolsaccharide (LPS), a property that may mitigate symptoms associated with Gram-negative bacterial infection. A pharmaceutical composition comprising novispirin as an active agent is administered to a patient suffering from or predisposed to a microbial infection, particularly Gram-negative bacterial infections.

Les peptides de novispirine sont des agents antimicrobiens avec une activité efficace contre les bactéries Gram négatif. Ces peptides sont non hémolytiques, présentent une cytotoxicité in vivo réduite par rapport à d'autres peptides antimicrobiens, et ils ont été bien tolérés in vivo après une injection intraveineuse. Ces novispirines se lient aussi avec la lipopolysaccharide (LPS), propriété qui peut atténuer les symptômes associés à l'infection par la bactérie Gram négatif. On administre une composition pharmaceutique comprenant de la novispirine comme principe actif à un patient souffrant d'une infection microbienne ou prédisposé à cette infection, et plus particulièrement aux infections par la bactérie Gram négatif.

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