Halorhodopsin Neural Circuit Suppression for Autism Treatment
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Solution Overview
Problem
Current therapeutic approaches for autism spectrum disorder lack targeted methods to regulate neural circuits, leading to ineffective treatments with diverse patient responses and significant side effects, while existing studies on neural circuits and neurotransmitters are insufficient.
Innovation Solution
Suppress the output signal of neurons in the ventrolateral thalamus, laterodorsal thalamus, or striatum by introducing halorhodopsin protein and irradiating light to induce hyperpolarization, using methods like halorhodopsin, polynucleotide encoding halorhodopsin, or vectors to inhibit neuronal activity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional therapeutic agents like risperidone are used for autism spectrum disorder, then symptomatic treatment is provided, but patient responsiveness is diverse and side effects increase
Solution Approach 1:
The invention segments the brain into specific functional regions (ventrolateral thalamus, laterodorsal thalamus, striatum) and targets neural circuits within these regions using optogenetics. This allows precise localization of therapeutic action to specific neural pathways involved in autism symptoms, rather than using broad-spectrum pharmaceutical agents that affect multiple systems.
Solution Approach 2:
The invention replaces chemical pharmacological intervention with optical control mechanisms. By using optogenetics to control neuronal activity with light, the system substitutes chemical drug action with a physical optical field, enabling precise temporal and spatial control of neural circuits without the side effects associated with conventional psychotropic medications.
2Reliability
If deep brain stimulation is used to treat severe repetitive behaviors, then treatment is provided, but it is difficult to define targeted brain circuits
Solution Approach 1:
The invention replaces electrical stimulation with optical control mechanisms. By using optogenetics, the system substitutes non-specific electrical fields with precisely targeted optical fields that can be delivered through fiber optics to specific neuronal populations, achieving superior spatial resolution compared to deep brain stimulation.
Solution Approach 2:
The invention applies different optical control strategies to different specific brain regions (ventrolateral thalamus for social deficits, laterodorsal thalamus and striatum for repetitive behaviors). Each region receives tailored optogenetic intervention with specific wavelengths and stimulation patterns matched to the functional characteristics of that neural circuit.
3Loss of information
If neurotransmitter regulation is studied to understand autism, then insights into brain chemistry are gained, but neural circuit level understanding remains insufficient
Solution Approach 1:
The invention replaces indirect pharmacological manipulation of neurotransmitters with direct optical control of neuronal firing. By using optogenetics to directly control action potential generation in specific neuron types, the system bypasses the complex cascade of neurotransmitter release, receptor binding, and downstream signaling that complicates pharmacological studies.
Solution Approach 2:
The invention introduces optogenetic tools (light-sensitive ion channels like channelrhodopsin and halorhodopsin) as intermediaries between light delivery and neuronal activity control. These molecular intermediaries enable direct translation of optical signals into precise neuronal activation or inhibition, providing a clean readout of circuit-level effects without confounding biochemical variables.
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
Effectively treats or prevents autism spectrum disorder by suppressing neuronal output signals in specific brain regions, reducing repetitive behaviors and social deficits.
Implementation Method 1
introducing halorhodopsin protein and irradiating light to induce hyperpolarization
Data Source
AI summary
The present invention relates to a method for treating autism spectrum disorder, a mouse for monitoring autism spectrum disorder, and a method for screening a candidate for preventing or treating autism spectrum disorder. Specifically, according to the present invention, the output signal (or excitation of population) of neurons of the ventrolateral thalamus (VL), the laterodorsal thalamus (LD) or the striatum may be suppressed by introducing a halorhodopsin protein into neurons of the ventrolateral thalamus (VL), the laterodorsal thalamus (LD) or the striatum and then irradiating light to induce hyperpolarization of the halorhodopsin protein. Thus, the present invention has the effect of preventing or treating autism.