Nitric oxide production by human proximal tubular cells: a novel immunomodulatory mechanism?

J S McLay, P Chatterjee, A G Nicolson, A G Jardine, N G McKay, S H Ralston, P Grabowski, N E Haites, A M MacLeod, G M Hawksworth

Research output: Contribution to journalArticle

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Abstract

It is believed that human proximal tubular cells may possess immunological function and play an important role in a variety of renal disease states such as interstitial nephritis, allograft rejection and drug induced nephrotoxicity. The role of cytokines and nitric oxide in the human forms of these disease states is not clear. In this study we examined the effect of stimulation with the cytokines IL-1 beta. TNF-alpha and IFN-gamma, individually and in combination, upon primary cultures of human proximal tubular cells. Nitric oxide production increased significantly within 24 hours following cytokine stimulation. This response was inhibited, in a dose dependent manner, by L-NMMA. PCR amplification of mRNA extracted from control and cytokine stimulated human proximal tubular cells revealed a NOS product with a > 97% homology with human hepatocyte inducible nitric oxide synthase. The results of this study clearly show that human proximal tubular cells, in primary culture, are capable of producing nitric oxide in response to an immune challenge secondary to the induction of nitric oxide synthase.
Original languageEnglish
Pages (from-to)1043-9
Number of pages7
JournalKidney International
Volume46
Issue number4
Publication statusPublished - 1 Oct 1994

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Nitric Oxide
Cytokines
omega-N-Methylarginine
Interstitial Nephritis
Primary Cell Culture
Nitric Oxide Synthase Type II
Interleukin-1beta
Nitric Oxide Synthase
Allografts
Hepatocytes
Tumor Necrosis Factor-alpha
Kidney
Polymerase Chain Reaction
Messenger RNA
Pharmaceutical Preparations

Keywords

  • Amino Acid Oxidoreductases
  • Base Sequence
  • Cells, Cultured
  • Cytokines
  • DNA Primers
  • DNA, Complementary
  • Enzyme Induction
  • Humans
  • Kidney Tubules, Proximal
  • Liver
  • Molecular Sequence Data
  • Nitric Oxide
  • Nitric Oxide Synthase
  • Polymerase Chain Reaction
  • RNA, Messenger
  • Sequence Homology, Nucleic Acid

Cite this

McLay, J. S., Chatterjee, P., Nicolson, A. G., Jardine, A. G., McKay, N. G., Ralston, S. H., ... Hawksworth, G. M. (1994). Nitric oxide production by human proximal tubular cells: a novel immunomodulatory mechanism? Kidney International, 46(4), 1043-9.

Nitric oxide production by human proximal tubular cells: a novel immunomodulatory mechanism? / McLay, J S; Chatterjee, P; Nicolson, A G; Jardine, A G; McKay, N G; Ralston, S H; Grabowski, P; Haites, N E; MacLeod, A M; Hawksworth, G M.

In: Kidney International, Vol. 46, No. 4, 01.10.1994, p. 1043-9.

Research output: Contribution to journalArticle

McLay, JS, Chatterjee, P, Nicolson, AG, Jardine, AG, McKay, NG, Ralston, SH, Grabowski, P, Haites, NE, MacLeod, AM & Hawksworth, GM 1994, 'Nitric oxide production by human proximal tubular cells: a novel immunomodulatory mechanism?', Kidney International, vol. 46, no. 4, pp. 1043-9.
McLay JS, Chatterjee P, Nicolson AG, Jardine AG, McKay NG, Ralston SH et al. Nitric oxide production by human proximal tubular cells: a novel immunomodulatory mechanism? Kidney International. 1994 Oct 1;46(4):1043-9.
McLay, J S ; Chatterjee, P ; Nicolson, A G ; Jardine, A G ; McKay, N G ; Ralston, S H ; Grabowski, P ; Haites, N E ; MacLeod, A M ; Hawksworth, G M. / Nitric oxide production by human proximal tubular cells: a novel immunomodulatory mechanism?. In: Kidney International. 1994 ; Vol. 46, No. 4. pp. 1043-9.
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AB - It is believed that human proximal tubular cells may possess immunological function and play an important role in a variety of renal disease states such as interstitial nephritis, allograft rejection and drug induced nephrotoxicity. The role of cytokines and nitric oxide in the human forms of these disease states is not clear. In this study we examined the effect of stimulation with the cytokines IL-1 beta. TNF-alpha and IFN-gamma, individually and in combination, upon primary cultures of human proximal tubular cells. Nitric oxide production increased significantly within 24 hours following cytokine stimulation. This response was inhibited, in a dose dependent manner, by L-NMMA. PCR amplification of mRNA extracted from control and cytokine stimulated human proximal tubular cells revealed a NOS product with a > 97% homology with human hepatocyte inducible nitric oxide synthase. The results of this study clearly show that human proximal tubular cells, in primary culture, are capable of producing nitric oxide in response to an immune challenge secondary to the induction of nitric oxide synthase.

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