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Familial hypothalamic digoxin deficiency syndrome.

Ravi Kumar Kurup1, Parameswara Achutha Kurup

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

The Journal of Neuropsychiatry and Clinical Neurosciences
|March 3, 2004
PubMed
Summary
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This case report details a unique family exhibiting diverse conditions, including hypotension, OCD, and bulimia nervosa, alongside healthy aging and longevity. Biochemical findings reveal distinct patterns in serum and red blood cell activity.

Area of Science:

  • Neuroscience
  • Genetics
  • Biochemistry

Background:

  • A family presented with a rare coexistence of multiple health conditions, including hypotension, recurrent respiratory infections, motor tics, obsessive-compulsive disorder (OCD), major depressive disorder, early-onset osteoporosis, low body mass index, and bulimia nervosa.
  • Remarkably, the family also exhibited healthy aging with longevity, low spirituality, hyposexual behavior, increased somnolence, and no addictive behaviors.
  • Absence of vascular thrombosis, systemic neoplasms, and neuronal degeneration was noted, alongside left hemispheric dominance in all members.

Observation:

  • Family members displayed hyposexual behavior, reduced spirituality, increased somnolence, and a lack of addictive behaviors.
  • They exhibited strong familial bonding, average intelligence, and a notable absence of vascular thrombosis, neoplasms, and neuronal degeneration.

Related Experiment Videos

  • All individuals demonstrated left hemispheric dominance.

    • Findings:

    • Biochemical analysis revealed decreased serum digoxin, HMG-CoA reductase activity, and dolichol.
    • Increased red blood cell (RBC) Na(+)-K+ ATPase activity, serum ubiquinone, and magnesium levels were observed.
    • Altered tyrosine and tryptophan catabolites, reduced glycosaminoglycans (GAGs) and related enzyme activities in serum, and increased GAGs on RBC membranes were noted.

    Implications:

    • The study highlights unique biochemical patterns associated with a spectrum of health conditions and longevity.
    • Findings suggest potential links between specific metabolic pathways, hemispheric dominance, and the observed health profile.
    • Further research is warranted to understand the pathogenesis and potential therapeutic targets related to these biochemical alterations.