Hexosamine Compounds Modulating Glycan Interactions
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Solution Overview
Problem
Current methods for modulating glycan structures and interactions, particularly through metabolic glycan engineering, have limitations in exploring the chemical space of N-acyl-hexosamine analogues, and genetic methodologies face challenges due to enzyme redundancy and severe phenotypes, necessitating the development of new small molecule hexosamine analogues for biomedical applications.
Innovation Solution
The development of hexosamine compounds of Formula I, which can modulate cell-cell, cell-pathogen, and cell-extracellular matrix interactions by modifying glycan structures through biosynthetic pathways, involving specific alkyl, alkenyl, or alkynyl groups, and their use in pharmaceutical compositions for therapeutic applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If genetic methodologies (knock-out of specific glycosyl transferases) are used to modulate glycan-protein interactions, then specific glycan structures can be modified, but the method becomes complex and results in severe phenotypes or shows no effect due to enzyme redundancy
Solution Approach 1:
The patent uses small molecule hexosamine analogues as intermediaries to modulate glycan biosynthesis. These analogues act as metabolic precursors that are incorporated into glycans during normal biosynthesis, providing a simpler alternative to genetic manipulation while achieving reliable modulation of glycan-protein interactions
Solution Approach 2:
The patent replaces the mechanical/genetic system (knock-out of enzymes, complex genetic manipulation) with a chemical system (small molecule analogues). The hexosamine analogues chemically substitute for natural substrates in the biosynthetic pathway, achieving the same functional outcome through chemical means rather than genetic engineering
2Adaptability or versatility
If the chemical space of N-acyl-hexosamine analogues is not sufficiently explored, then existing analogues have limited utility, but exploring the full chemical space requires extensive development of new compounds
Solution Approach 1:
The patent systematically varies chemical parameters of hexosamine analogues including substituent types (alkyl, alkenyl, alkynyl), positions, and configurations to explore the chemical space. This structured approach to parameter variation enables discovery of analogues with diverse and useful properties for biomedical applications
Solution Approach 2:
The patent develops a series of hexosamine analogues with a common core structure that can serve multiple functions. The modular design allows different substituents to be attached to the same core, creating a versatile platform for studying and modulating various glycan-protein and glycan-glycan interactions
Data Source
AI summary
The present disclosure provides compounds of Formula I and a process of preparing the compounds of Formula I. The present disclosure further provides a compound of Formula II, Formula III, and Formula IV. The present disclosure provides compounds of Formula I that are capable of modifying cell-cell interactions, cell-pathogen interactions, or cell-extracellular matrix interactions, and methods thereof.