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Updated: Jun 20, 2026

Extraction and Quantification of Soluble, Radiolabeled Inositol Polyphosphates from Different Plant Species using SAX-HPLC
Published on: June 26, 2020
Cellular consequences of inositol depletion
Rania M Deranieh1, Miriam L Greenberg
1Department of Biological Sciences, Wayne State University, Detroit, MI 48202, USA.
Mood-stabilizing drugs may work by depleting inositol, a molecule crucial for cell signaling. This depletion could disrupt various cellular functions, potentially explaining links to bipolar disorder.
Area of Science:
- Neuroscience
- Cellular Biology
- Pharmacology
Background:
- The inositol-depletion hypothesis proposes a mechanism for mood-stabilizing drugs.
- Previous research focused on the phosphatidylinositol signaling pathway, including inositol trisphosphate (Ins(3,4,5)P3) and diacylglycerol (DAG).
Purpose of the Study:
- To explore the broader implications of inositol depletion beyond the phosphatidylinositol pathway.
- To investigate the potential link between inositol depletion and cellular dysfunctions relevant to bipolar disorder.
Main Methods:
- Review of recent findings on inositol and inositol-containing molecules.
- Analysis of signaling and regulatory roles in diverse cellular processes.
Main Results:
- Inositol and its derivatives (phosphoinositides, inositol phosphates) play significant roles in numerous cellular functions.
- These molecules are involved in signaling and regulation across various cellular processes.
Conclusions:
- Inositol depletion may perturb a wide array of cellular functions.
- These perturbations could be implicated in the pathophysiology of bipolar disorder.
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