cGMP accumulation and gene expression of soluble guanylate cyclase in human vascular tissue

Andreas Papapetropoulos, Attila Cziraki, Joseph W. Rubin, Christopher D. Stone, John D. Catravas

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Gene expression of soluble guanylate cyclase (sGC) and cGMP accumulation in response to sodium nitroprusside (SNP) were studied in cultured human vascular cells and freshly harvested vascular tissue. As revealed by reverse transcriptase-polymerase chain reaction, cultured smooth muscle and endothelial cells, as well as freshly isolated human vascular tissue, express mRNA for the α3 and β3 subunits but not for the α2 or β2 sGC. In cultured human cells, expression of the α3 and β3 subunits is evident even in the absence of increased cGMP accumulation in response to SNP. cGMP accumulation in cultured human cells from different vascular beds typically increased two- to fivefold (maximum of 11.4-fold) over baseline following stimulation with 100 μM SNP. Bovine, murine, canine, and avian vascular smooth muscle cells accumulated similar or lower amounts of cGMP than human cells, whereas porcine, rat, and rabbit smooth muscle cells accumulated greater amounts of cGMP. In freshly harvested human vessels, cGMP accumulation in response to SNP was found to increase fifteenfold over baseline. In contrast to the SNP-induced cGMP accumulation, cGMP levels in response to the particulate guanylate cyclase activator atriopeptin II were equal or greater in cultured human cells than in fresh human vascular tissue. We conclude that human vascular cells (fresh and cultured) express the mRNA for both a large (α3) and a small (β3) sGC subunit and that fresh human cells are more sensitive to SNP stimulation.

Original languageEnglish (US)
Pages (from-to)213-221
Number of pages9
JournalJournal of Cellular Physiology
Volume167
Issue number2
DOIs
StatePublished - May 1 1996
Externally publishedYes

Fingerprint

Guanylate Cyclase
Gene expression
Nitroprusside
Blood Vessels
Cells
Tissue
Gene Expression
Muscle
Cultured Cells
Smooth Muscle Myocytes
Messenger RNA
Polymerase chain reaction
RNA-Directed DNA Polymerase
Endothelial cells
Soluble Guanylyl Cyclase
Rats
Reverse Transcriptase Polymerase Chain Reaction
Vascular Smooth Muscle
Canidae
Swine

ASJC Scopus subject areas

  • Physiology
  • Clinical Biochemistry
  • Cell Biology

Cite this

cGMP accumulation and gene expression of soluble guanylate cyclase in human vascular tissue. / Papapetropoulos, Andreas; Cziraki, Attila; Rubin, Joseph W.; Stone, Christopher D.; Catravas, John D.

In: Journal of Cellular Physiology, Vol. 167, No. 2, 01.05.1996, p. 213-221.

Research output: Contribution to journalArticle

Papapetropoulos, Andreas ; Cziraki, Attila ; Rubin, Joseph W. ; Stone, Christopher D. ; Catravas, John D. / cGMP accumulation and gene expression of soluble guanylate cyclase in human vascular tissue. In: Journal of Cellular Physiology. 1996 ; Vol. 167, No. 2. pp. 213-221.
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