renal expression of cyclooxygenase-1 (COX-1) and-2 (COX-2). Protein levels were
assessed by Western blotting, and mRNA expression was assessed by reverse transcription-
polymerase chain reaction (RT-PCR) on cDNA prepared from kidney regions, dissected
nephron segments, and cultured renal cells. Both isoforms were expressed at high levels in
inner medulla (IM), with low levels detected in outer medulla and cortex. COX-1 mRNA was …