Interleukin-1 and transforming growth factor-α

Synergistic stimulation of metalloproteinases, PGE2, and proliferation in human fibroblasts

Elaine N. Unemori, Niloofar Ehsani, Michael Wang, Steve Lee, Joseph McGuire, Edward P. Amento

Research output: Contribution to journalArticle

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Abstract

Wound healing and other inflammatory processes are driven by a complex series of interactions among cells, the extracellular matrix, and secreted products of various cell types. Cytokines, such as interleukin-1 and transforming growth factor-α, are present at wound sites and contribute to the proinflammatory milieu of these sites. In the present study, we have investigated the effect of these cytokines, individually and in concert, on fibroblast expression of matrix metalloproteinases, which contribute to extracellular matrix remodeling, and of prostaglandin E2, which alters vascular tone and permeability. The metalloproteinases, procollagenase (matrix metalloproteinase-1) and prostromelysin (matrix metalloproteinase- 3), are induced by exposure of dermal fibroblasts to interleukin-1, not stimulated by transforming growth factor-α, but are synergistically induced by the combination of cytokines. The 92-kDa type IV procollagenase (matrix metalloproteinase-9, progelatinase B), is also stimulated in synergistic fashion. Prostaglandin E2 is induced in rheumatoid synovial fibroblasts by interleukin-1β, not altered by transforming growth factor-α, and is synergistically released by the combination of the two cytokines. Fibroblast proliferation, which is also a component of normal wound healing, is also synergistically stimulated by the action of the two cytokines in concert. These results indicate that interleukin-1β and transforming growth factor- α synergize to elicit a number of phenotypic responses in fibroblasts which are relevant to normal wound healing and chronic inflammation.

Original languageEnglish
Pages (from-to)166-171
Number of pages6
JournalExperimental Cell Research
Volume210
Issue number2
DOIs
StatePublished - Jun 8 1994
Externally publishedYes

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Transforming Growth Factors
Metalloproteases
Interleukin-1
Dinoprostone
Fibroblasts
Cytokines
Wound Healing
Extracellular Matrix
Matrix Metalloproteinase 3
Matrix Metalloproteinase 1
Matrix Metalloproteinase 9
Capillary Permeability
Matrix Metalloproteinases
Cell Communication
Inflammation
Skin
Wounds and Injuries
procollagenase

ASJC Scopus subject areas

  • Cell Biology

Cite this

Interleukin-1 and transforming growth factor-α : Synergistic stimulation of metalloproteinases, PGE2, and proliferation in human fibroblasts. / Unemori, Elaine N.; Ehsani, Niloofar; Wang, Michael; Lee, Steve; McGuire, Joseph; Amento, Edward P.

In: Experimental Cell Research, Vol. 210, No. 2, 08.06.1994, p. 166-171.

Research output: Contribution to journalArticle

Unemori, Elaine N. ; Ehsani, Niloofar ; Wang, Michael ; Lee, Steve ; McGuire, Joseph ; Amento, Edward P. / Interleukin-1 and transforming growth factor-α : Synergistic stimulation of metalloproteinases, PGE2, and proliferation in human fibroblasts. In: Experimental Cell Research. 1994 ; Vol. 210, No. 2. pp. 166-171.
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