Lentiviral Reporter Constructs for Fluorescence Tracking of the Temporospatial Pattern of Smad3 Signaling
Author(s) -
Christina H. Stuelten,
Anil K. Kamaraju,
Lalage M. Wakefield,
Anita B. Roberts
Publication year - 2007
Publication title -
biotechniques
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.617
H-Index - 131
eISSN - 1940-9818
pISSN - 0736-6205
DOI - 10.2144/000112549
Subject(s) - green fluorescent protein , biology , endogeny , microbiology and biotechnology , signal transduction , in vivo , reporter gene , cell , metastasis , cell signaling , cancer research , cancer , gene , gene expression , genetics , biochemistry
Canonical TGF-beta is involved in cell differentiation, tissue maintenance, and wound healing, but also plays a central role in the pathogenesis of diseases such as cancer Here we describe a lentivirus-based reporter vector system expressing green fluorescent protein (GFP) or red fluorescent protein (RFP) under the control of a Smad3-responsive element (CAGA)12 that allows observation of the temporospatial pattern of endogeneous Smad3-mediated signaling on a cellular level. Use of this method will be valuable to identify cells with active Smad3 signaling and investigate the role of endogenous Smad3 signaling in complex systems such as co-cultures in vitro, or in tumors during tumor cell invasion and metastasis in vivo.
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