Compensatory hyperplasia with increasing loss of renal mass

H. Van Urk, D. Malamud, L. Soler Montesinos, R. A. Malt

Research output: Contribution to journalArticlepeer-review


When a rat with two kidneys is cross-circulated with an anephric rat, compensatory renal hypertrophy occurs as indicated by an increased ratio of RNA to DNA within 6 hours and an increased ratio of kidney weight to body weight within 12 hours. Removal of three kidneys between the rats further increases residual renal mass and RNA/DNA after 24 and 48 hours of cross-circulation as compared with results of removing two kidneys. Trinephrectomy triples the mitotic index and doubles the proliferative index. Increasing the magnitude of renal loss causes appreciable hyperplasia as well as increasing the magnitude of compensatory renal hypertrophy.

Original languageEnglish (US)
Pages (from-to)674-676
Number of pages3
JournalLaboratory Investigation
Issue number6
StatePublished - 1978

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Molecular Biology
  • Cell Biology


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