Tissue Mechanical Properties via LOX Activity and Stimulation

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Solution Overview

Problem

Musculoskeletal conditions and injuries pose a significant health concern due to their prevalence and economic burden, with a need for enhancing tissue mechanical properties to treat related conditions.

Innovation Solution

The method involves applying mechanical stimulation and/or increasing lysyl oxidase (LOX) activity to improve the mechanical properties of tissues such as tendons, ligaments, and cartilage, thereby enhancing their regenerative potential.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If mechanical stimulation and LOX activity enhancement are applied to improve tissue mechanical properties, then tissue strength and elastic modulus increase, but the complexity of treatment protocols increases

Engineering Contradiction:
Improvetissue mechanical propertiesVSAvoidtreatment protocol complexity
Core Design Contradiction:
StrengthVSDevice complexity

Solution Approach 1:

The patent combines mechanical stimulation with LOX activity enhancement into a unified treatment approach. Mechanical stimulation devices are integrated with LOX activators or gene therapy vectors to simultaneously address both mechanical and biochemical aspects of tissue repair, creating a synergistic effect that improves mechanical properties more effectively than either method alone.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

LOX activators serve as intermediary substances that bridge mechanical stimulation and tissue repair. These activators enhance the effect of mechanical loading by upregulating LOX expression, thereby amplifying the beneficial mechanical stimuli and facilitating collagen crosslinking and tissue maturation without requiring complex multi-component devices.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If LOX activity is increased to enhance tissue regeneration, then healing capability improves, but potential harmful effects from excessive crosslinking must be managed

Engineering Contradiction:
Improvetissue regeneration capabilityVSAvoidexcessive crosslinking effects
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent employs dynamic control of LOX activity through timed mechanical stimulation protocols. Mechanical loading is applied in controlled cycles that peak LOX expression at optimal times during tissue repair, while subsequent periods of reduced or alternating stimulation allow for regulated crosslinking. This dynamic approach prevents excessive crosslinking while maximizing regenerative potential.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The invention utilizes parameter changes in mechanical stimulation (such as frequency, amplitude, and duration) to modulate LOX activity. By adjusting these parameters, the treatment optimizes collagen crosslinking at different stages of healing, enhancing regeneration while preventing the harmful effects of over-crosslinking through precise control of mechanical loading conditions.

Inventive Principle:
Principle #35Parameter changes

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

This approach effectively improves the mechanical properties of tissues, including elastic modulus and tensile strength, which can lead to enhanced healing and regeneration of musculoskeletal tissues.

Implementation Method 1

increasing lysyl oxidase (LOX) activity to improve the mechanical properties of tissues

Methodology Applied
Scientific EffectOxidation: Oxidation

Implementation Method 2

applying mechanical stimulation to the tissue or cells therein

Methodology Applied
Scientific EffectMechanical force: Mechanical Force

Data Source

PatentUS12303614B2Compositions and methods for improving mechanical properties of a tissue or for regenerating an injured or diseased tissue
Publication Date: 2025.05.20 UNIVERSITY OF ROCHESTER
  • US12303614B2 patent drawing
  • US12303614B2 patent drawing
  • US12303614B2 patent drawing

AI summary

The present invention relates to enhancing mechanical properties of tissue such as collagenous or collagen-containing or elastin-containing tissue (e.g., tendons, ligaments, and cartilage) and treating related musculoskeletal and non-musculoskeletal conditions or injuries.