Pepstatin A derivatives

Simple SummaryContent extracted from patent full text and abstract with AI.

This patent discloses novel derivatives of pepstatin A, a well-known protease inhibitor, with specifically modified amino acid residues to create compounds with improved biological properties. In particular, these new compounds are designed to inhibit secreted aspartic proteinases (Saps) from Candida albicans and other pathogens, showing greater potency, lower toxicity and better pharmacological properties than previous inhibitors. The patent also describes efficient synthetic methods for these peptides, including optimized protection strategies for statine residues, leading to higher yields and purity.

Use CasesContent extracted from patent full text and abstract with AI.

• Development of new antifungal medications, especially for treatment of Candida infections in humans and animals.
• Formulation of drugs to combat diseases where aspartic proteases are implicated, including malaria, Alzheimer's disease, certain cancers (neoplasia), peptic ulcers, AIDS/HIV, and hypertension.
• Use in agricultural fungicides to treat plant diseases caused by fungi.
• Scientific research related to studying aspartic protease inhibition and virulence factor suppression in microorganisms.
• Manufacturing of custom peptides containing statine for biochemical or pharmaceutical applications.

BenefitsContent extracted from patent full text and abstract with AI.

• Enhanced inhibition of fungal aspartic proteases at lower concentrations than prior art inhibitors, enabling more effective treatments.
• Reduced toxicity and improved biodegradability compared to natural pepstatin A, increasing potential for safe human or animal therapy.
• Precise control over inhibitor specificity for different Sap isoenzymes, enabling targeted therapy that may reduce resistance development.
• Efficient synthetic methods for producing these peptides, resulting in higher yields and better product purity, thus reducing manufacturing costs.
• Potential to address a broad range of diseases (fungal, viral, neurodegenerative, oncological, etc.) with a single class of inhibitors.

Technical Classifications (CPCs)

Inventors & Applicants

Patent Abstract

The invention relates to a compound having a structure according to the general formula P3-P2-P1-P1'-P2' (I), wherein residues P3, P2, P1, P1' and P2' are specifically defined and may be, e. g., certain amino acid residues. The invention further relates to the use of said compound and to a method for synthesizing a peptide.