Role of the CCAAT/enhancer-binding protein NFATc2 transcription factor cascade in the induction of secretory phospholipase A2

Teddy T C Yang, Peter M U Ung, Mercedes Rincón, Chi Wing Chow

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Inflammatory cytokines such as interleukin-1 and tumor necrosis factor-α modulate a transcription factor cascade in the liver to induce and sustain an acute and systemic defense against foreign entities. The transcription factors involved include NF-κB, STAT, and CCAAT/enhancer-binding protein (C/EBP). Whether the NFAT group of transcription factors (which was first characterized as playing an important role in cytokine gene expression in the adaptive response in immune cells) participates in the acute-phase response in hepatocytes is not known. Here, we have investigated whether NFAT is part of the transcription factor cascade in hepatocytes during inflammatory stress. We report that interleukin-1 or tumor necrosis factor-α increases expression of and activates NFATc2. C/EBP-mediated NFATc2 induction is temporally required for expression of type IIA secretory phospholipase A2. NFATc2 is also required for expression of phospholipase D1 and the calcium-binding protein S100A3. Thus, a C/EBP-NFATc2 transcription factor cascade provides an additional means to modulate the acute-phase response upon stimulation with inflammatory cytokines.

Original languageEnglish (US)
Pages (from-to)11541-11552
Number of pages12
JournalJournal of Biological Chemistry
Volume281
Issue number17
DOIs
StatePublished - Apr 28 2006

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Secretory Phospholipase A2
CCAAT-Enhancer-Binding Proteins
Transcription Factors
Acute-Phase Reaction
Cytokines
Interleukin-1
Hepatocytes
Tumor Necrosis Factor-alpha
Calcium-Binding Proteins
Adaptive Immunity
Gene expression
Liver
Gene Expression

ASJC Scopus subject areas

  • Biochemistry

Cite this

Role of the CCAAT/enhancer-binding protein NFATc2 transcription factor cascade in the induction of secretory phospholipase A2. / Yang, Teddy T C; Ung, Peter M U; Rincón, Mercedes; Chow, Chi Wing.

In: Journal of Biological Chemistry, Vol. 281, No. 17, 28.04.2006, p. 11541-11552.

Research output: Contribution to journalArticle

Yang, Teddy T C ; Ung, Peter M U ; Rincón, Mercedes ; Chow, Chi Wing. / Role of the CCAAT/enhancer-binding protein NFATc2 transcription factor cascade in the induction of secretory phospholipase A2. In: Journal of Biological Chemistry. 2006 ; Vol. 281, No. 17. pp. 11541-11552.
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