The role of fragile X mental retardation protein in major mental disorders

S Hossein Fatemi1, Timothy D Folsom

  • 1Department of Psychiatry, Division of Neuroscience Research, University of Minnesota Medical School, 420 Delaware St SE, MMC 392, Minneapolis, MN 55455, USA. fatem002@umn.edu

Neuropharmacology
|November 27, 2010
PubMed

Insights

Fragile X mental retardation protein (FMRP) loss is central to fragile X syndrome. Reduced FMRP is also observed in other psychiatric disorders, suggesting potential therapeutic targets.

Area of Science:

  • Neuroscience
  • Genetics
  • Molecular Biology

Background:

  • Fragile X mental retardation protein (FMRP) is crucial for neuronal function and highly abundant in the brain.
  • Loss of FMRP is the primary cause of fragile X syndrome (FXS), the most common form of intellectual disability.

Purpose of the Study:

  • To review the FMR1 gene mutation causing FXS.
  • To explore FMRP's role in neuronal cells.
  • To discuss FMRP reduction in other psychiatric disorders and potential therapies.

Main Methods:

  • Review of existing literature on FMR1 gene and FMRP.
  • Presentation of laboratory findings on FMRP levels in psychiatric disorders.
  • Discussion of therapeutic strategies for FMRP loss.

Main Results:

  • The FMR1 gene mutation leads to FXS.
  • FMRP levels are reduced in autism, schizophrenia, bipolar disorder, and major depressive disorder.
  • Potential therapeutic avenues for FMRP loss are explored.

Conclusions:

  • FMRP's role extends beyond FXS, with its reduction implicated in various psychiatric conditions.
  • Targeting FMRP loss presents a potential therapeutic strategy for multiple neurological and psychiatric disorders.

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