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Updated: Jul 6, 2026

Developing a Rat Model for Bipolar Disorder
Published on: May 2, 2025
Kinases as drug targets in the treatment of bipolar disorder
Lisa A Catapano1, Husseini K Manji
1Laboratory of Molecular Pathophysiology, Mood and Anxiety Disorders Program, National Institute of Mental Health, NIH, HHS, Bethesda, MD, USA.
Abstract:
Bipolar disorder is one of the most severely debilitating of all medical illnesses, and is increasingly recognized as a major public health problem. For many patients with bipolar disorder, current pharmacotherapy is insufficient. Exciting recent data suggest that regulation of signaling molecules may be involved in the pathophysiology of the disorder, and in the mechanisms of action of mood stabilizers and antidepressants. Through our developing understanding of the biochemical targets of effective medications, several potential targets for new therapies have emerged. This short review will focus on two of the most promising such targets: glycogen synthase-3 and protein kinase C.
Insights
Bipolar disorder is a severe illness where current treatments are often insufficient. New research suggests targeting glycogen synthase-3 and protein kinase C may offer effective therapies for this public health problem.
Area of Science:
- Neuroscience
- Pharmacology
- Psychiatry
Background:
- Bipolar disorder is a severely debilitating medical illness and a significant public health concern.
- Current pharmacotherapies for bipolar disorder are frequently insufficient for many patients.
- Emerging research indicates signaling molecule regulation is implicated in bipolar disorder's pathophysiology.
Purpose of the Study:
- To review potential new therapeutic targets for bipolar disorder based on the mechanisms of action of existing medications.
- To highlight glycogen synthase-3 and protein kinase C as promising targets for novel bipolar disorder treatments.
Main Methods:
- Literature review of recent data on signaling molecules in bipolar disorder.
- Analysis of biochemical targets of mood stabilizers and antidepressants.
- Focus on glycogen synthase-3 and protein kinase C as key targets.
Main Results:
- Regulation of signaling molecules is involved in bipolar disorder.
- Understanding medication mechanisms reveals potential therapeutic targets.
- Glycogen synthase-3 and protein kinase C are identified as highly promising targets.
Conclusions:
- Targeting specific signaling molecules like glycogen synthase-3 and protein kinase C holds promise for improved bipolar disorder pharmacotherapy.
- Further research into these targets could lead to more effective treatments for patients with bipolar disorder.
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Protein Kinases and Phosphatases
Protein kinases
Many proteins in the cell are regulated by phosphorylation, the addition of a phosphate group. A family of enzymes called kinases...