Renal handling of albumin and beta-2 microglobulin in neonates

H. Tsukahara, Y. Fujii, S. Tsuchida, M. Hiraoka, K. Morikawa, S. Haruki, M. Sudo

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


Urinary albumin and β2-microglobulin (B2M) were measured during the neonatal period. Urinary albumin decreased postnatally in term neonates, while it remained almost constant in preterm neonates. Urinary B2M showed a peak level on day 7 both in term and preterm neonates. There was some trend towards higher levels of albumin and B2M with decreasing gestation. showing that glomerular permeability increases and proximal tubular protein reabsorption decreases with increasing degrees of prematurity. In sick preterms who were depressed at birth and had respiratory failure, both parameters were elevated during the first 2 weeks, indicating the presence Or glomerular and tubular damage in this period. The changes in B2M with gestation or clinical condition were more pronounced than those in albumin.

Original languageEnglish
Pages (from-to)212-216
Number of pages5
Issue number2
Publication statusPublished - Jan 1 1994
Externally publishedYes


  • Neonates
  • Renal function
  • Urinary albumin
  • Urinary β-microglobulin

ASJC Scopus subject areas

  • Physiology
  • Nephrology
  • Physiology (medical)
  • Urology


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