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A hypothalamic digoxin mediated model for conscious and subliminal perception.

A R Kumar1, P A Kurup

  • 1Department of Neurology, Medical College Hospital, Trivandrum, India.

Journal of Neural Transmission (Vienna, Austria : 1996)
|August 23, 2001
PubMed
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Schizophrenia may stem from hypothalamic digoxin overproduction, linked to an overactive isoprenoid pathway. This disrupts brain function, potentially causing altered perception and synaptic abnormalities.

Area of Science:

  • Neuroscience
  • Biochemistry
  • Pathophysiology

Background:

  • The isoprenoid pathway is crucial for cellular functions.
  • Metabolites like digoxin, dolichol, and ubiquinone play vital roles in cellular processes.
  • Dysregulation in these pathways has been implicated in neurological disorders.

Purpose of the Study:

  • To investigate the role of the isoprenoid pathway and its metabolites in schizophrenia.
  • To explore the link between digoxin, Na+-K+ ATPase activity, and schizophrenia pathogenesis.
  • To elucidate the potential mechanisms involving neurotransmitter imbalances and excitotoxicity.

Main Methods:

  • Assessed isoprenoid pathway metabolites (digoxin, dolichol, ubiquinone) in schizophrenia patients.
  • Measured HMG CoA reductase activity to indicate isoprenoid pathway upregulation.

Related Experiment Videos

  • Evaluated red blood cell (RBC) membrane Na+-K+ ATPase activity.

    • Main Results:

    • Elevated HMG CoA reductase activity indicated an upregulated isoprenoid pathway.
    • Increased digoxin levels and reduced RBC membrane Na+-K+ ATPase activity were observed in schizophrenia.
    • Hypomagnesemia and altered calcium levels were associated with Na+-K+ ATPase inhibition.

    Conclusions:

    • Schizophrenia may be a syndrome of hypothalamic digoxin hypersecretion due to an upregulated isoprenoid pathway.
    • Digoxin's effects on tryptophan transport and NMDA excitotoxicity contribute to pathogenesis.
    • Mitochondrial dysfunction, autoimmunity, and disordered synaptic connectivity are potential consequences.