Abstract

Adriamycin-induced nephrosis in rats is a commonly used experimental model for pharmacological studies of human chronic renal diseases. Adriamycin-induced apoptosis of renal tubular cells has been reported in adriamycin-treated rats. In addition, prostacyclin (PGI2) is known to have various protective effects on many kinds of cells. To investigate the protective effect of PGI 2 on cells undergoing adriamycin-induced apoptosis, this study selectively augmented PGI2 production via adenovirus-mediated transfer of genes for cyclooxygenase-1 (COX-1) and prostacyclin synthase (PGIS) (two key enzymes of PGI2 synthesis) to renal tubular cells. This PGI2 overexpression protected rat renal tubular cells from adriamycin-induced apoptosis. Ad-COX-1/PGIS transfection was found to reduce the adriamycin-stimulated activities of caspase-3 and caspase-9, inhibit adriamycin-induced release of cytochrome c, elevate the expression of Bcl-x L, and suppress the activation and translocation of nuclear factor-kappaB (NF-κB) in adriamycin-treated renal tubular cells. Our results reveal that selective augmentation of PGI2 production can protect rat renal tubular cells from adriamycin-induced apoptosis via the NF-κB signaling pathway. This implies the therapeutic potential of combined COX-1 and PGIS gene transfer in gene therapy for chronic renal diseases.

Original languageEnglish
Pages (from-to)8-15
Number of pages8
JournalEuropean Journal of Pharmacology
Volume529
Issue number1-3
DOIs
Publication statusPublished - Jan 4 2006

Fingerprint

Epoprostenol
Doxorubicin
Apoptosis
Kidney
Cyclooxygenase 1
Chronic Renal Insufficiency
Nephrosis
Caspase 9
Cytochromes c
Adenoviridae
Caspase 3
Genetic Therapy
Genes
Transfection
Theoretical Models
Pharmacology
Enzymes

Keywords

  • Adriamycin
  • Apoptosis
  • Cyclooxygenase-1 (COX-1)
  • Prostacyclin (PGI)
  • Prostacyclin synthase (PGIS)
  • Renal tubular cell

ASJC Scopus subject areas

  • Cellular and Molecular Neuroscience
  • Pharmacology

Cite this

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title = "The protective effect of prostacyclin on adriamycin-induced apoptosis in rat renal tubular cells",
abstract = "Adriamycin-induced nephrosis in rats is a commonly used experimental model for pharmacological studies of human chronic renal diseases. Adriamycin-induced apoptosis of renal tubular cells has been reported in adriamycin-treated rats. In addition, prostacyclin (PGI2) is known to have various protective effects on many kinds of cells. To investigate the protective effect of PGI 2 on cells undergoing adriamycin-induced apoptosis, this study selectively augmented PGI2 production via adenovirus-mediated transfer of genes for cyclooxygenase-1 (COX-1) and prostacyclin synthase (PGIS) (two key enzymes of PGI2 synthesis) to renal tubular cells. This PGI2 overexpression protected rat renal tubular cells from adriamycin-induced apoptosis. Ad-COX-1/PGIS transfection was found to reduce the adriamycin-stimulated activities of caspase-3 and caspase-9, inhibit adriamycin-induced release of cytochrome c, elevate the expression of Bcl-x L, and suppress the activation and translocation of nuclear factor-kappaB (NF-κB) in adriamycin-treated renal tubular cells. Our results reveal that selective augmentation of PGI2 production can protect rat renal tubular cells from adriamycin-induced apoptosis via the NF-κB signaling pathway. This implies the therapeutic potential of combined COX-1 and PGIS gene transfer in gene therapy for chronic renal diseases.",
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author = "Chen, {Cheng Hsien} and Heng Lin and Hsu, {Yung Ho} and Sue, {Yuh Mou} and Cheng, {Tzu Hurng} and Paul Chan and Chen, {Tso Hsiao}",
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N2 - Adriamycin-induced nephrosis in rats is a commonly used experimental model for pharmacological studies of human chronic renal diseases. Adriamycin-induced apoptosis of renal tubular cells has been reported in adriamycin-treated rats. In addition, prostacyclin (PGI2) is known to have various protective effects on many kinds of cells. To investigate the protective effect of PGI 2 on cells undergoing adriamycin-induced apoptosis, this study selectively augmented PGI2 production via adenovirus-mediated transfer of genes for cyclooxygenase-1 (COX-1) and prostacyclin synthase (PGIS) (two key enzymes of PGI2 synthesis) to renal tubular cells. This PGI2 overexpression protected rat renal tubular cells from adriamycin-induced apoptosis. Ad-COX-1/PGIS transfection was found to reduce the adriamycin-stimulated activities of caspase-3 and caspase-9, inhibit adriamycin-induced release of cytochrome c, elevate the expression of Bcl-x L, and suppress the activation and translocation of nuclear factor-kappaB (NF-κB) in adriamycin-treated renal tubular cells. Our results reveal that selective augmentation of PGI2 production can protect rat renal tubular cells from adriamycin-induced apoptosis via the NF-κB signaling pathway. This implies the therapeutic potential of combined COX-1 and PGIS gene transfer in gene therapy for chronic renal diseases.

AB - Adriamycin-induced nephrosis in rats is a commonly used experimental model for pharmacological studies of human chronic renal diseases. Adriamycin-induced apoptosis of renal tubular cells has been reported in adriamycin-treated rats. In addition, prostacyclin (PGI2) is known to have various protective effects on many kinds of cells. To investigate the protective effect of PGI 2 on cells undergoing adriamycin-induced apoptosis, this study selectively augmented PGI2 production via adenovirus-mediated transfer of genes for cyclooxygenase-1 (COX-1) and prostacyclin synthase (PGIS) (two key enzymes of PGI2 synthesis) to renal tubular cells. This PGI2 overexpression protected rat renal tubular cells from adriamycin-induced apoptosis. Ad-COX-1/PGIS transfection was found to reduce the adriamycin-stimulated activities of caspase-3 and caspase-9, inhibit adriamycin-induced release of cytochrome c, elevate the expression of Bcl-x L, and suppress the activation and translocation of nuclear factor-kappaB (NF-κB) in adriamycin-treated renal tubular cells. Our results reveal that selective augmentation of PGI2 production can protect rat renal tubular cells from adriamycin-induced apoptosis via the NF-κB signaling pathway. This implies the therapeutic potential of combined COX-1 and PGIS gene transfer in gene therapy for chronic renal diseases.

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