Effects of the antipsychotics haloperidol, clozapine, and aripiprazole on the dendritic spine

Manabu Takaki, Masafumi Kodama, Yutaka Mizuki, Hiroki Kawai, Bunta Yoshimura, Makiko Kishimoto, Shinji Sakamoto, Yuko Okahisa, Norihito Yamada

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Three types of antipsychotics, typical (e.g. haloperidol), atypical (e.g. clozapine), and dopamine partial agonist (e.g. aripiprazole), are administered for treatment of schizophrenia. These antipsychotics have different efficacy and side-effect profiles. We investigated whether aripiprazole, clozapine, and haloperidol differentially regulate the dendritic spine through the AKT-GSK-3 beta cascade. Dissociated cortical neurons from Sprague-Dawley rats were prepared and cultured for 28 days. Aripiprazole, clozapine, or haloperidol was administered to the rat cortical neurons. The levels of PSD95 protein and AKT-GSK-3 beta cascade-related proteins were investigated by Western blot. The number of spines and PSD95 puncta were investigated by immunofluorescence cell staining. Aripiprazole (1 µM or 10 µM) and clozapine (1 µM) increased the levels of PSD95 protein, the number of spines, phosphorylated Akt Thr308 and Ser473, and phosphorylated GSK-3 beta Ser9. On the other hand, haloperidol (1 µM or 10 µM) or an inappropriate concentration of clozapine (10 µM) decreased them. A GSK inhibitor also increased the levels of PSD-95 protein and caused the same morphology. Aripiprazole, clozapine, and haloperidol differentially regulate the dendritic spine, and this effect may occur through the AKT-GSK-3 beta cascade. Selection and appropriate dose of these antipsychotics may be important for the protection of dendritic spines in patients with schizophrenia.

Original languageEnglish
Pages (from-to)610-619
Number of pages10
JournalEuropean Neuropsychopharmacology
Volume28
Issue number5
DOIs
Publication statusPublished - May 1 2018

Fingerprint

Dendritic Spines
Clozapine
Haloperidol
Antipsychotic Agents
Glycogen Synthase Kinase 3
Schizophrenia
Proteins
Spine
Neurons
Dopamine Agonists
Fluorescent Antibody Technique
Sprague Dawley Rats
Aripiprazole
Western Blotting
Staining and Labeling

Keywords

  • Aripiprazole
  • Clozapine
  • Dendritic spines
  • Haloperidol
  • PSD95

ASJC Scopus subject areas

  • Pharmacology
  • Neurology
  • Clinical Neurology
  • Psychiatry and Mental health
  • Biological Psychiatry
  • Pharmacology (medical)

Cite this

Effects of the antipsychotics haloperidol, clozapine, and aripiprazole on the dendritic spine. / Takaki, Manabu; Kodama, Masafumi; Mizuki, Yutaka; Kawai, Hiroki; Yoshimura, Bunta; Kishimoto, Makiko; Sakamoto, Shinji; Okahisa, Yuko; Yamada, Norihito.

In: European Neuropsychopharmacology, Vol. 28, No. 5, 01.05.2018, p. 610-619.

Research output: Contribution to journalArticle

Takaki, Manabu ; Kodama, Masafumi ; Mizuki, Yutaka ; Kawai, Hiroki ; Yoshimura, Bunta ; Kishimoto, Makiko ; Sakamoto, Shinji ; Okahisa, Yuko ; Yamada, Norihito. / Effects of the antipsychotics haloperidol, clozapine, and aripiprazole on the dendritic spine. In: European Neuropsychopharmacology. 2018 ; Vol. 28, No. 5. pp. 610-619.
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