Optogenetic Cell Implant for Immune-Isolated Therapeutic Delivery
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Solution Overview
Problem
Existing systems for implanted cells, tissues, and devices face challenges in providing a stable environment, precise control, and protection from the host's immune response to effectively deliver therapeutic agents.
Innovation Solution
A bioelectronic system with genetically engineered cells and a wearable external hub for precise delivery of biomolecules, using optoelectronic triggers, sensors, and an encapsulated cell-housing compartment to control the delivery of therapeutic agents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If implanted cells are used to deliver therapeutic agents, then therapeutic delivery capability is improved, but immune response from host reduces cell viability
Solution Approach 1:
The system divides the implant into separate functional compartments: an immune-isolating compartment that protects cells from immune attack, and a therapeutic delivery compartment that enables controlled agent release. This segmentation allows cells to survive while maintaining delivery function.
Solution Approach 2:
An immune-isolating membrane acts as an intermediary barrier between the host immune system and the implanted cells. This membrane selectively permits nutrient and therapeutic molecule passage while blocking immune cell infiltration, thereby protecting cell viability without compromising therapeutic delivery.
2Measurement precision
If precise control of therapeutic delivery is implemented, then delivery precision is improved, but system complexity increases
Solution Approach 1:
The system employs dynamic control mechanisms including optogenetic actuators that respond to light signals and sensors that monitor physiological parameters. This enables real-time adjustment of therapeutic delivery timing and dosage, achieving precise control through dynamic feedback rather than static programming.
Solution Approach 2:
The implant incorporates sensors that detect physiological states and feed this information back to control therapeutic release. This feedback loop enables precise delivery by automatically adjusting release timing and dosage based on actual patient condition, reducing the need for complex external monitoring systems.
3Object-affected harmful factors
If immune isolation is implemented to protect cells, then cell protection is improved, but therapeutic agent delivery may be hindered
Solution Approach 1:
The immune-isolating membrane is designed with controlled porosity that selectively permits passage of small therapeutic molecules and nutrients while blocking larger immune cells. This porous structure enables the membrane to simultaneously provide immune protection and maintain therapeutic delivery efficiency.
Solution Approach 2:
The system employs different membrane properties in different regions: the immune-isolating membrane provides selective barrier function, while adjacent delivery compartments maintain high permeability for therapeutic agents. This local differentiation of material properties allows simultaneous achievement of protection and delivery.
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
Enables precise timing and dose delivery of therapeutic agents, protecting cells from the host's immune response and facilitating improved viability and activation control.
Implementation Method 1
each of the engineered cells contains an optogenetic system; an optical stimulating system within the at least one cell housing, wherein the optical stimulating system has at least one light source, wherein the optogenetic system is configured to receive a signal light from the at least one light source to control production of at least one type of therapeutic agent
Implementation Method 2
a permeable encapsulation material on at least a portion of a surface of the implantable device; wherein in use, the at least one type of therapeutic agents is released from the cell housing into the subject's body through the permeable encapsulation
Data Source
AI summary
A hybrid bioelectronic implantable device containing engineered cells for delivery of therapeutic agents to a subject to treat a medical condition of the subject. The device comprises an implantable device implantable inside the subject's body, wherein the implantable device comprises at least one cell housing containing the engineered cells; and an optical stimulating system within the at least one cell housing, wherein the optical stimulating system is configured to control production of at least one type of therapeutic agents by the engineered cells; wherein the medical condition of the subject comprises one of a sleep disorder, a circadian rhythm disorder, neuro disorders, infertilities, diabetes, obesity, eating disorders, cancers, bone marrow disorders, autoimmune disorders, addictive disorders.