Role of renal NO production in the regulation of medullary blood flow

Allen W. Cowley, Takefumi Mori, David Mattson, Ai Ping Zou

研究成果: Review article査読

165 被引用数 (Scopus)

抄録

The unique role of nitric oxide (NO) in the regulation of renal medullary function is supported by the evidence summarized in this review. The impact of reduced production of NO within the renal medulla on the delivery of blood to the medulla and on the long-term regulation of sodium excretion and blood pressure is described. It is evident that medullary NO production serves as an important counterregulatory factor to buffer vasoconstrictor hormone-induced reduction of medullary blood flow and tissue oxygen levels. When NO synthase (NOS) activity is reduced within the renal medulla, either pharmacologically or genetically [Dahl salt-sensitive (S) rats], a super sensitivity to vasoconstrictors develops with ensuing hypertension. Reduced NO production may also result from reduced cellular uptake of L-arginine in the medullary tissue, resulting in hypertension. It is concluded that NO production in the renal medulla plays a very important role in sodium and water homeostasis and the long-term control of arterial pressure.

本文言語English
ページ(範囲)R1355-R1369
ジャーナルAmerican Journal of Physiology - Regulatory Integrative and Comparative Physiology
284
6 53-6
DOI
出版ステータスPublished - 2003 6 1

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)

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