Curcumin provides incomplete protection of the kidney in ischemia reperfusion injury

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14 Citations (Scopus)

Abstract

Curcumin, a component of the spice turmeric, was shown to have a protective effect on acute kidney injury markers following ischemia-reperfusion injury (IRI). However, its effect on glomerular and tubular renal functions following IRI is not know and his data is probably of more clinical relevance. In this study, curcumin was tested for its effect on renal functional parameters following two different periods of warm IRI in the rat. Groups V-30 (n=10) and C-30 (n=10) underwent ischemia for 30 minutes whereas groups V-45 (n=8) and C-45 (n=8) underwent ischemia for 45 minutes. 30 and C-45 received oral curcumin (200 mg/kg/day) whereas V-30 and V-45 received a vehicle. The left renal artery blood flow was measured by a flowmeter before and 15 minutes after reperfusion. Serum TNF-a was measured before and 2 days after ischemia. The function of both kidneys was measured 2 days following ischemia using clearance technique. IRI caused significant increase in TNF-a in all groups. Curcumin significantly ameliorated the ischemiainduced alterations in serum TNF-a and associated histological changes but did not affect the alterations in renal artery blood flow, glomerular (glomerular filtration rate, renal blood flow) or tubulr (urinary volume, urinary sodium and fractional excretion of sodium) functions following 30 or 45 min of IRI.

Original languageEnglish
Pages (from-to)503-511
Number of pages9
JournalPhysiological Research
Volume61
Issue number5
Publication statusPublished - 2012

Keywords

  • Curcumin
  • Ischemia-reperfusion
  • Renal function

ASJC Scopus subject areas

  • Physiology

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