Pathogenesis of Cystine Deficiency: Wasting Syndromes (Slide 4)

• This diagram demonstrates the relationship between cystine and nitrogen balance to be as follows:

  • ? Cystine.
  • ? Protons (H+).
  • ? Bicarbonate (HCO2-) .
  • ? Carbamoylphosphate.
  • Ammonium ion (NH4+) is saved.

• This results in negative nitrogen balance with decrease in weight and possible cachexia.

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