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MCPIP1 Regulates Fibroblast Migration in 3-D Collagen Matrices Downstream of MAP Kinases and NF-?B.


ABSTRACT: The fibroblast-populated three-dimensional (3-D) collagen matrix has been used to model matrix contraction, cell motility, and general fibroblast biology. MCPIP1 (monocyte chemotactic protein-induced protein 1) has been shown to regulate inflammation, angiogenesis, and cellular motility. In the present study, we demonstrated induction of MCPIP1 in human fibroblasts embedded in the stress-released 3-D collagen matrix, which occurred through activation of mitogen-activated protein kinases, phosphoinositide 3-kinase, and NF-?B. Furthermore, MCPIP1 induction was associated with inhibition of fibroblast migration out of the nested collagen matrix. MCPIP1 induction or ectopic expression also upregulated p53. RNA interference of p53 prevented the inhibition of migration produced by induction or ectopic expression of MCPIP1. Our findings suggest a new role for MCPIP1 as a molecular switch that regulates fibroblast migration in the nested collagen matrix model.

SUBMITTER: Chao J 

PROVIDER: S-EPMC4648714 | biostudies-literature | 2015 Dec

REPOSITORIES: biostudies-literature

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MCPIP1 Regulates Fibroblast Migration in 3-D Collagen Matrices Downstream of MAP Kinases and NF-κB.

Chao Jie J   Dai Xiaoniu X   Peña Tiffany T   Doyle David A DA   Guenther Timothy M TM   Carlson Mark A MA  

The Journal of investigative dermatology 20150826 12


The fibroblast-populated three-dimensional (3-D) collagen matrix has been used to model matrix contraction, cell motility, and general fibroblast biology. MCPIP1 (monocyte chemotactic protein-induced protein 1) has been shown to regulate inflammation, angiogenesis, and cellular motility. In the present study, we demonstrated induction of MCPIP1 in human fibroblasts embedded in the stress-released 3-D collagen matrix, which occurred through activation of mitogen-activated protein kinases, phospho  ...[more]

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