Regulation of matrix metalloproteinase-1 and alpha-smooth muscle actin expression by interleukin-1 alpha and tumour necrosis factor alpha in hepatic stellate cells

Asami Inoue, Kenichi Obayashi, Yuka Sonoda, Anna Nakamura, Takato Ueno, Satoru Kuhara, Kosuke Tashiro

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Hepatic stellate cells (HSCs) are key players in liver fibrosis and regeneration via collagen degradation and synthesis. These phenomena involve inflammatory cytokines released from non-parenchymal liver cells such as Kupffer cells. Although the effects of individual cytokines on many cell types have been investigated in various conditions, such as inflammation and tissue fibrosis, investigating the effect of combined cytokines would further our understanding of the regulatory mechanisms in tissue fibrosis. Here, we report the effect of multiple cytokine combinations on primary HSCs. We first examined the effect of individual cytokines and then the simultaneous exposure of different cytokines, including interleukin-6 (IL-6), IL-1 alpha (IL-1α), platelet-derived growth factor (PDGF), tumour necrosis factor-alpha (TNF-α) and transforming growth factor-beta (TGF-β), on matrix metalloproteinase-1 (MMP1) gene expression in primary HSCs. We observed that the combination of all five cytokines induced higher levels of MMP1 gene expression. Of these cytokines, TNF-α and IL-1α were found to be the key cytokines for not only inducing MMP1 expression, but also increasing α-smooth muscle actin gene expression. In conclusion, the combined treatment of TNF-α and IL-1α on HSCs had an enhanced effect on the expression of the fibrotic genes, MMP1 and α-smooth muscle actin, so appears to be an important regulator for tissue regeneration. This finding suggests that stimulation with combined anti-fibrotic cytokines is a potential approach in the development of a novel therapy for the recovery of liver fibrosis.

Original languageEnglish
Pages (from-to)461-468
Number of pages8
JournalCytotechnology
Volume69
Issue number3
DOIs
Publication statusPublished - Jun 1 2017

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Hepatic Stellate Cells
Matrix Metalloproteinase 1
Interleukin-1alpha
Smooth Muscle
Muscle
Actins
Tumor Necrosis Factor-alpha
Cytokines
Interleukin-1
Gene expression
Liver
Gene Expression
Liver Cirrhosis
Fibrosis
Metalloproteases
Tissue
Tissue regeneration
Liver Regeneration
Kupffer Cells
Platelet-Derived Growth Factor

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Bioengineering
  • Biomedical Engineering
  • Clinical Biochemistry
  • Cell Biology

Cite this

Regulation of matrix metalloproteinase-1 and alpha-smooth muscle actin expression by interleukin-1 alpha and tumour necrosis factor alpha in hepatic stellate cells. / Inoue, Asami; Obayashi, Kenichi; Sonoda, Yuka; Nakamura, Anna; Ueno, Takato; Kuhara, Satoru; Tashiro, Kosuke.

In: Cytotechnology, Vol. 69, No. 3, 01.06.2017, p. 461-468.

Research output: Contribution to journalArticle

Inoue, Asami ; Obayashi, Kenichi ; Sonoda, Yuka ; Nakamura, Anna ; Ueno, Takato ; Kuhara, Satoru ; Tashiro, Kosuke. / Regulation of matrix metalloproteinase-1 and alpha-smooth muscle actin expression by interleukin-1 alpha and tumour necrosis factor alpha in hepatic stellate cells. In: Cytotechnology. 2017 ; Vol. 69, No. 3. pp. 461-468.
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