Gold Particles for Scar Prevention via Macrophage Ion Release
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Solution Overview
Problem
Current treatments for preventing or reducing scar formation during wound healing are often ineffective, painful, expensive, and can result in further scarring, with no prescription drugs available for this purpose.
Innovation Solution
The use of gold particles with a cross-sectional diameter of 20-1000 µm and a purity greater than 99.00% w/w, administered into the wound, which are absorbed by macrophages to release gold ions that inhibit inflammatory responses and reduce scar formation by controlling the chemical milieu and reducing granulation tissue overproduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If current treatments (radiotherapy, silicone dressings, chemical peels, surgery) are used to prevent or reduce scar formation, then scar formation is reduced, but the treatments are painful, expensive, and can produce further scars
Solution Approach 1:
The invention uses individually movable gold particles (20-1000 μm in size) that can be independently administered into the wound. These discrete particles are taken up by macrophages individually, allowing controlled release of gold ions at the cellular level without the need for aggressive external treatments that cause additional scarring.
Solution Approach 2:
The gold particles serve as an intermediary substance that mediates between the macrophages and the inflammatory response. Macrophages take up the gold particles and use them to generate gold ions, which then act as signaling molecules to modulate inflammation and prevent abnormal scarring, avoiding direct application of harmful agents.
2Ease of operation
If no treatment is applied, then the wound heals naturally, but excessive scar formation occurs
Solution Approach 1:
The gold particles are administered into the wound early in the healing process, during the inflammatory phase, before excessive scar formation can occur. This preliminary intervention guides the healing process from the outset, allowing natural healing mechanisms to proceed while preventing pathological scarring outcomes.
Solution Approach 2:
The macrophages in the wound naturally take up the administered gold particles and autonomously generate gold ions to modulate their own inflammatory response. The body's own immune cells perform the therapeutic function, eliminating the need for external interventions that could cause additional scarring.
3Object-affected harmful factors
If gold particles are administered into the wound, then scar formation is prevented, but systemic exposure to gold ions must be minimized
Solution Approach 1:
The gold particles are administered locally into the wound tissue, and the gold ions are generated in situ by macrophages at the wound site. This localized production ensures that the therapeutic effect is confined to the wound area, preventing systemic exposure while maintaining effective local concentrations of gold ions for scar prevention.
Solution Approach 2:
The macrophages act as local factories that convert the inert gold particles into active gold ions right where they are needed. This intermediary conversion process ensures that gold ions are produced only at the wound site rather than being introduced systemically, minimizing off-site exposure while maintaining therapeutic efficacy.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The gold particles effectively prevent or reduce scar formation by localizing the gold ions' release, minimizing systemic exposure, and providing anti-inflammatory and analgesic effects, thereby improving wound healing and reducing the formation of keloid, hypertrophic, or atrophic scars.
Implementation Method 1
administered into the wound, which are absorbed by macrophages to release gold ions
Data Source
Figure 1A~1B
AI summary
A gold particle having at least one cross-section in the range of 20 -1000 µm and having a purity greater than 99.00% w/w, preferably 99.99% w/w for use in treatment of a wound to minimize scar formation and to prevent abnormal scar formation. A composition comprising at least one gold particle having at least one cross-section in the range of 20 - 1000 µm and having a purity greater than 99.00% w/w, preferably 99.99% w/w for use in treatment of a wound to prevent abnormal scar formation, wherein the composition further comprises hyaluronic acid or any other physiologically acceptable carrier. A method of treatment of a wound of an animal or human patient to prevent or reduce scar formation wherein a dose of at least one gold particle having at least one cross-section in the range of 20 - 1000 µm and having a purity greater than 99.00% w/w, preferably 99.99% w/w is applied into the wound in contact with immune cells of the patient, thereby facilitated to release free gold ions by dissolucytosis.