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Related Experiment Videos

Neuronal loss in FIV-MD infected cats.

W R Buck1, M Podell

  • 1Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA.

Journal of Neuro-Aids
|July 29, 2006
PubMed
Summary

Feline immunodeficiency virus (FIV-MD) causes significant neuron loss in cat brains, mirroring human immunodeficiency virus type 1 (HIV-1) brain effects. This confirms FIV-MD as a valuable model for studying HIV-1 neurological disease.

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Area of Science:

  • Neuroscience
  • Virology
  • Comparative Pathology

Background:

  • Feline immunodeficiency virus (FIV-MD) is known to cause neurological disease in cats.
  • This neurological condition shares similarities with human immunodeficiency virus type 1 (HIV-1) infections in people.

Purpose of the Study:

  • To investigate and quantify neuronal loss in the neocortex of FIV-MD infected cats.
  • To compare the affected neuronal populations with those reported in HIV-1 brain infections.
  • To further validate the FIV-MD model for studying HIV-1 neuropathogenesis.

Main Methods:

  • Morphometrical analysis of neocortical histologic sections from FIV-MD infected and control cats.
  • Comparison of neuronal counts between infected and age-matched uninfected feline subjects.

Main Results:

  • A statistically significant reduction in neuronal populations was observed in the neocortex of FIV-MD infected cats.
  • The pattern of neuronal loss in FIV-MD infected cats closely resembles previously reported neuronal deficits in HIV-1 infected human brains.

Conclusions:

  • FIV-MD infection leads to significant neocortical neuronal loss in cats.
  • The findings support the use of FIV-MD as a relevant animal model for understanding HIV-1-associated brain damage and neurological complications.

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