Molecular and Cellular Biochemistry

, Volume 177, Issue 1–2, pp 177–181 | Cite as

Pyrrolidine dithiocarbamate inhibits cytokine-induced VCAM-1 gene expression in rat cardiac myocytes

  • Yoshiyuki Hattori
  • Kazumi Akimoto
  • Yasuyuki Murakami
  • Kikuo Kasai


We investigated whether interleukin-1α (IL-1) would induce gene expression of vascular cell adhesion molecule-1 (VCAM-1) in cardiac myocytes and, if so, whether nuclear factor κB (NF-κB) was involved. We evaluated the VCAM-1 gene expression in cultured neonatal rat cardiac myocytes by the reverse transcription-polymerase chain reaction. IL-1 alone or together with interferon-γ (IFN) induced VCAM-1 gene expression in the cells. Induction of VCAM-1 gene expression in response to IL-1 and IFN was antagonized in a concentration-dependent manner by pyrrolidine dithiocarbamate, an inhibitor of NF-κb activation (25-100 µM). Tosyl-lysine-chloromethyl ketone, another inhibitor of NF-κb activation, also inhibited the expression of the VCAM-1 gene in response to IL-1 and IFN. Thus, VCAM-1 gene expression appeared to be mediated by NF-κb in cardiac myocytes, and this cardiac myocyte VCAM-1 may be involved in cardiac inflammatory disorders. Disruption of expression of VCAM-1 by inhibition of NF-κb activation may indicate a target for pharmacologic intervention intended to limit cardiac inflammation.

vascular cell adhesion molecule 1 (VCAM-1) nuclear factor κB (NF-κB) interleukin-1α (IL-1) cardiac myocyte 


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Copyright information

© Kluwer Academic Publishers 1997

Authors and Affiliations

  • Yoshiyuki Hattori
    • 1
  • Kazumi Akimoto
    • 2
  • Yasuyuki Murakami
    • 1
  • Kikuo Kasai
    • 1
  1. 1.Department of EndocrinologyDokkyo University School of MedicineJapan
  2. 2.Laboratory of Molecular and Cellular BiologyDokkyo University School of MedicineJapan

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