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Related Concept Videos

  • Biomedical And Clinical Sciences
  • Oncology And Carcinogenesis
  • Predictive And Prognostic Markers
  • Fus Transgenic Rats Develop The Phenotypes Of Amyotrophic Lateral Sclerosis And Frontotemporal Lobar Degeneration.
  • Biomedical And Clinical Sciences
  • Oncology And Carcinogenesis
  • Predictive And Prognostic Markers
  • Fus Transgenic Rats Develop The Phenotypes Of Amyotrophic Lateral Sclerosis And Frontotemporal Lobar Degeneration.

    • Related Experiment Videos

    FUS transgenic rats develop the phenotypes of amyotrophic lateral sclerosis and frontotemporal lobar degeneration.

    Cao Huang1, Hongxia Zhou, Jianbin Tong

    • 1Department of Pathology, Anatomy, and Cell Biology, Thomas Jefferson University, Philadelphia, Pennsylvania, United States of America.

    Plos Genetics
    |March 17, 2011

    View abstract on PubMed

    Summary
    This summary is machine-generated.

    Mutant FUS gene mutations cause progressive paralysis and neuronal loss, mimicking ALS and FTLD. Even normal FUS gene overexpression can lead to neuron death and cognitive deficits in rats.

    Related Experiment Videos

    Area of Science:

    • Neuroscience
    • Genetics
    • Molecular Biology

    Background:

    • Fused in Sarcoma (FUS) proteinopathy is linked to frontotemporal lobar dementia (FTLD).
    • Mutations in the FUS gene are associated with FTLD and amyotrophic lateral sclerosis (ALS).

    Purpose of the Study:

    • To investigate the consequences of FUS gene mutations.
    • To develop a rat model for studying FUS-related neurodegenerative diseases.

    Main Methods:

    • Created transgenic rats expressing human FUS, with and without the R521C mutation.
    • Observed phenotypes including paralysis, neuronal loss, and cognitive function.

    Main Results:

    • Overexpression of mutant FUS induced progressive paralysis and motor axon degeneration, resembling ALS.
    • Mutant FUS rats exhibited significant neuronal loss in the cortex and hippocampus, with ubiquitin aggregates and glial reactions.
    • Overexpression of wild-type FUS led to spatial learning deficits and neuronal loss in aged rats.
    • Mutant FUS demonstrated higher toxicity to neurons compared to wild-type FUS.

    Conclusions:

    • Mutant FUS is more neurotoxic than normal FUS.
    • Increased expression of normal FUS can also cause neuronal death and cognitive impairment.
    • FUS transgenic rats serve as a valuable model for FTLD and ALS research.