Related Experiment Video
Updated: May 7, 2026

Detection of Phospholipase C Activity in the Brain Homogenate from the Honeybee
Published on: September 14, 2018
Phospholipase C-β1 and schizophrenia-related behaviors
1Center for Neuroscience, Brain Science Institute, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu, Seoul 136-791, South Korea.
Abstract:
Abnormal expression patterns of phospholipase C-β1(PLC-β1) in specific brain areas of patients with schizophrenia, and its high genetic linkage to the disorder implicated a pathogenetical involvement of PLC-β1 signaling system. The schizophrenia-related behavioral phenotypes displayed in the mutant mice lacking PLC-β1 (PLC-β1 KO) suggested that PLCβ1-linked signaling pathways may be involved in the neural system whose function is disrupted in the pathogenesis of schizophrenia. In the brain, PLC-β1 is known to be linked to muscarinic acetylcholine receptors, metabotropic glutamatergic, serotonergic, and oxytocinergic systems. The objective of this review is to provide an overview of the current knowledge regarding these schizophrenia-related behaviors and discuss the probable ways in which PLC-β1signalling can be involved in the neural mechanisms for each behavior, which may help suggest future directions for research in this area.
Insights
Phospholipase C-β1 (PLC-β1) signaling is implicated in schizophrenia pathogenesis. Studies on PLC-β1 knockout mice reveal its role in schizophrenia-related behaviors, suggesting therapeutic targets.
Area of Science:
- Neuroscience
- Molecular Biology
- Psychiatry
Background:
- Abnormal phospholipase C-β1 (PLC-β1) expression in schizophrenia patients suggests its involvement.
- Genetic linkage studies highlight the PLC-β1 signaling system's role in schizophrenia.
- PLC-β1 knockout mice exhibit behavioral phenotypes relevant to schizophrenia.
Purpose of the Study:
- To review current knowledge on schizophrenia-related behaviors.
- To discuss the potential involvement of PLC-β1 signaling in the neural mechanisms of these behaviors.
- To suggest future research directions for PLC-β1 in schizophrenia.
Main Methods:
- Literature review of studies on PLC-β1 and schizophrenia.
- Analysis of behavioral phenotypes in PLC-β1 knockout mice.
- Examination of PLC-β1's known interactions with neurotransmitter systems.
Main Results:
- PLC-β1 is linked to muscarinic acetylcholine, glutamatergic, serotonergic, and oxytocinergic systems.
- Schizophrenia-related behaviors are observed in PLC-β1 deficient models.
- These findings support the hypothesis of PLC-β1 signaling pathway involvement in schizophrenia.
Conclusions:
- PLC-β1 signaling pathways are likely involved in the neural systems disrupted in schizophrenia.
- Understanding PLC-β1's role may offer new therapeutic strategies for schizophrenia.
- Further research is warranted to elucidate specific mechanisms.
Related Concept Videos
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within the...
Biological Causes of Schizophrenia
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin studies.
Psychological and Sociocultural Causes of Schizophrenia
Positive Symptoms of Schizophrenia: Hallucinations and Delusions
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes loosely...
Negative and Cognitive Symptoms of Schizophrenia
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
IP3/DAG Signaling Pathway
