What is the role of amino acids in the pathogenesis of urinary tract infection (UTI) during pregnancy?

Updated: Oct 08, 2019
  • Author: Raisa O Platte, MD, PhD; Chief Editor: Edward David Kim, MD, FACS  more...
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Answer

The fractional excretion of alanine, glycine, histidine, serine, and threonine is increased throughout pregnancy. levels of cystine, leucine, lysine, phenylalanine, taurine, and tyrosine are elevated in the first half of pregnancy but return to reference range levels by the second half. The mechanism of selective aminoaciduria is unknown, although its presence has been postulated to affect the adherence of Escherichia coli to the urothelium.


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