MicroRNA Therapeutics Modulating Serotonin Gene Expression
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Solution Overview
Problem
Current treatments for mood disorders like depression are only partially effective, with many patients not responding to available therapies, and there is a need for better understanding of the underlying mechanisms, particularly regarding the role of serotonin regulation.
Innovation Solution
Administration or expression of specific microRNAs such as miR-135, miR-335, miR-26, miR-182, miR-19, miR-15, and miR-181 in cells to modulate serotonin and other neurotransmitter-related gene expressions, thereby treating conditions associated with aberrant serotonin levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If current antidepressant therapies are used to treat mood disorders, then some patients experience relief of symptoms, but many patients do not respond to available treatments
Solution Approach 1:
The invention changes the therapeutic parameter from conventional antidepressant drugs to microRNA-based therapeutics. Specifically, it uses microRNAs (such as miR-135, miR-335, miR-26, miR-182) that can directly regulate serotonin-related genes at the post-transcriptional level, offering a novel mechanism of action that may overcome treatment resistance and improve response rates across diverse patient populations.
2Quantity of substance
If conventional antidepressant drugs are administered to increase serotonin levels, then serotonin levels in the synapse are increased, but a long period of administration is required before relief of symptoms is observed
Solution Approach 1:
The microRNA therapeutics are designed to preliminarily regulate the expression of serotonin-related genes before symptom manifestation. By directly targeting mRNA transcripts of serotonin synthesis, transport, and receptor genes, the microRNAs can preemptively modulate serotonin system function, potentially reducing the lag time between treatment initiation and symptom relief compared to conventional antidepressants.
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 potentially offers a more effective method for treating mood disorders by directly influencing serotonin levels and related gene expressions, providing therapeutic benefits for conditions like depression and anxiety.
Implementation Method 1
Binding occurs via the seed sequence, a 6-8 nucleotides sequence at the 5′ end of the miR, that base pairs to a complementary seed match sequence on the target mRNA 3′ UTR.
Implementation Method 2
MiRs are transcribed as primary-miR molecules that are processed in the cell nucleus into precursor miRs with stem loop structures
Implementation Method 3
which are exported to the cytoplasm where they are further processed into the active mature miRs
Implementation Method 4
The mature miR is subsequently incorporated into the RNA-induced silencing complex and function primarily by binding to the 3′-untranslated regions (3′UTRs) of specific mRNA molecules
Data Source
AI summary
microRNAs and compositions comprising same for the treatment and diagnosis of serotonin-, adrenalin-, noradrenalin-, glutamate-, and corticotropin-releasing hormone-associated medical conditions are provided.