Inhibiting Intracellular Parasite Invasion via Dynamin Blockade
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Solution Overview
Problem
Current methods are ineffective in preventing and treating periodontitis, particularly due to the difficulty in inhibiting the invasion of host cells by intracellular parasites like Porphyromonas gingivalis, which is associated with various serious health conditions.
Innovation Solution
The use of compounds that inhibit vesicle formation, endocytosis, and dynamin activity, such as dynasore and aloperine, for local delivery to gingival tissue to prevent or reduce the severity of periodontitis by blocking the invasion of intracellular parasites.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional antibiotics are used to treat periodontitis, then bacterial growth is suppressed, but intracellular parasites like P. gingivalis survive and continue to invade host cells
Solution Approach 1:
The patent extracts and targets the specific invasion mechanism of P. gingivalis into host cells, separating this intracellular process from general bacterial growth. By focusing on the invasion step rather than bulk bacterial growth, the treatment addresses the root cause of treatment failure with conventional antibiotics.
Solution Approach 2:
The patent introduces compounds that interfere with the intermediate steps of the invasion process, specifically targeting vesicle formation and endocytosis mechanisms. These intermediates in the invasion pathway become the new target, blocking the parasite's ability to enter host cells while leaving antibiotics' antibacterial function intact.
2Object-affected harmful factors
If host cells are invaded by P. gingivalis, then periodontitis develops and severity increases, but current treatments cannot prevent cellular invasion
Solution Approach 1:
The patent applies compounds before or during the invasion process to prevent it from occurring in the first place. By targeting vesicle formation and endocytosis upfront, the treatment stops the invasion before it can establish itself in host cells, rather than attempting to eliminate established infections.
Solution Approach 2:
The patent employs compounds that exert anti-action against the invasion mechanism prior to successful cellular entry. These compounds preemptively block the vesicle formation and endocytosis pathways that P. gingivalis exploits, creating a preventive barrier against invasion.
3Duration of action of moving object
If P. gingivalis invades gingival epithelial cells, then both bacteria and cells survive for extended periods, but this persistence cannot be addressed by current treatments
Solution Approach 1:
The patent converts the harmful persistent intracellular state into a targetable vulnerability. By recognizing that the invasion mechanism enables long-term survival, the treatment specifically attacks this invasion pathway, turning the parasite's survival strategy into its weakness that can be exploited therapeutically.
Data Source
AI summary
The disclosure provides compounds that inhibit the invasion of host cells by intracellular parasites. These find use, for example, in treating and preventing periodontitis or a periodontitis-related condition or symptom.