Revealing the Hidden Role of Brain Proteins Could Transform Psychiatric and Neurological Treatments
New research reveals that previously thought dormant brain proteins are actively involved in neuron signaling, offering promising targets for treating psychiatric and neurological disorders.
Recent research from Johns Hopkins University has uncovered a groundbreaking discovery about a class of brain proteins known as delta-type ionotropic glutamate receptors, or GluDs. Long thought to be dormant, these proteins are now found to be actively involved in brain signaling processes crucial for neuron communication. Mutations in GluD proteins have been linked to psychiatric conditions such as anxiety and schizophrenia, as well as movement disorders. Despite their importance, little was known about how GluDs function, hindering drug development efforts.
Using advanced cryo-electron microscopy, scientists visualized these proteins at a molecular level, revealing an ion channel in the center of GluDs that houses charged particles involved in neurotransmitter binding. This process is fundamental to synapse formation—the connection points facilitating communication between neurons. The discovery challenges previous assumptions, showing that GluDs are not dormant but actively regulate electrical signals in the brain.
This new understanding opens avenues for targeted therapies. For instance, in cerebellar ataxia—a movement disorder caused by hyperactive GluDs—researchers could develop drugs to suppress the overactive channels. Conversely, in schizophrenia, where GluDs are less active, drugs could be designed to enhance their function. The research also holds potential for addressing age-related memory loss by preserving synapse integrity.
The findings pave the way for rapid drug development aimed at modulating GluD activity, which could benefit a range of neurological and psychiatric disorders. The Johns Hopkins team is seeking partnerships with pharmaceutical companies to develop therapeutics targeting these proteins and is exploring genetic mutations related to disease progression to create more precise treatments.
This innovative research highlights the importance of understanding brain protein functions and may significantly impact future diagnostics and therapies for mental health and neurological conditions.
Source: https://medicalxpress.com/news/2025-09-dormant-brain-protein-hidden-role.html
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