Generation of full-length cDNA recombinant vectors for the transient expression of human fibronectin in mammalian cell lines

In order to study the roles of the different alternatively spliced variants of human fibronectin (FN) as well as of its binding sites and structural domains in the processes of extracellular matrix assembly, cell adhesion, and cell migration, we constructed expression vectors coding for different hu...

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Autores principales: Dufour, S., Gutman, A., Bois, F., Lamb, N., Thiery, J.P., Kornblihtt, A.R.
Formato: JOUR
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DNA
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00144827_v193_n2_p331_Dufour
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spelling todo:paper_00144827_v193_n2_p331_Dufour2023-10-03T14:12:37Z Generation of full-length cDNA recombinant vectors for the transient expression of human fibronectin in mammalian cell lines Dufour, S. Gutman, A. Bois, F. Lamb, N. Thiery, J.P. Kornblihtt, A.R. complementary dna fibronectin animal cell article cell adhesion expression vector extracellular matrix human mouse priority journal recombinant dna technology Animal Cloning, Molecular DNA Fibronectins Fluorescent Antibody Technique Gene Expression Genetic Vectors Human Mice Microinjections Support, Non-U.S. Gov't Transfection Mammalia In order to study the roles of the different alternatively spliced variants of human fibronectin (FN) as well as of its binding sites and structural domains in the processes of extracellular matrix assembly, cell adhesion, and cell migration, we constructed expression vectors coding for different human full-length FN polypeptides and deleted versions of these constructs. We expressed them transiently in mammalian cells by calcium phosphate transfection and microinjection techniques. While the deleted recombinants were expressed by both transfection and microinjection, the full-length recombinants could be only expressed by microinjection. Calcium phosphate transfection leads to the accumulation of recombinant FN in cytoplasmic vesicles of both matrix-forming and nonforming cells. On the contrary, microinjection leads to the accumulation of recombinant FN in cytoplasmic vesicles in cells that do not form a matrix, but to the rapid incorporation into the extracellular matrix of matrix-forming cells in addition to a cytoplasmic localization. Identical results were obtained when the FN signal and propeptides were replaced by those of E-cadherin. © 1991. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00144827_v193_n2_p331_Dufour
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic complementary dna
fibronectin
animal cell
article
cell adhesion
expression vector
extracellular matrix
human
mouse
priority journal
recombinant dna technology
Animal
Cloning, Molecular
DNA
Fibronectins
Fluorescent Antibody Technique
Gene Expression
Genetic Vectors
Human
Mice
Microinjections
Support, Non-U.S. Gov't
Transfection
Mammalia
spellingShingle complementary dna
fibronectin
animal cell
article
cell adhesion
expression vector
extracellular matrix
human
mouse
priority journal
recombinant dna technology
Animal
Cloning, Molecular
DNA
Fibronectins
Fluorescent Antibody Technique
Gene Expression
Genetic Vectors
Human
Mice
Microinjections
Support, Non-U.S. Gov't
Transfection
Mammalia
Dufour, S.
Gutman, A.
Bois, F.
Lamb, N.
Thiery, J.P.
Kornblihtt, A.R.
Generation of full-length cDNA recombinant vectors for the transient expression of human fibronectin in mammalian cell lines
topic_facet complementary dna
fibronectin
animal cell
article
cell adhesion
expression vector
extracellular matrix
human
mouse
priority journal
recombinant dna technology
Animal
Cloning, Molecular
DNA
Fibronectins
Fluorescent Antibody Technique
Gene Expression
Genetic Vectors
Human
Mice
Microinjections
Support, Non-U.S. Gov't
Transfection
Mammalia
description In order to study the roles of the different alternatively spliced variants of human fibronectin (FN) as well as of its binding sites and structural domains in the processes of extracellular matrix assembly, cell adhesion, and cell migration, we constructed expression vectors coding for different human full-length FN polypeptides and deleted versions of these constructs. We expressed them transiently in mammalian cells by calcium phosphate transfection and microinjection techniques. While the deleted recombinants were expressed by both transfection and microinjection, the full-length recombinants could be only expressed by microinjection. Calcium phosphate transfection leads to the accumulation of recombinant FN in cytoplasmic vesicles of both matrix-forming and nonforming cells. On the contrary, microinjection leads to the accumulation of recombinant FN in cytoplasmic vesicles in cells that do not form a matrix, but to the rapid incorporation into the extracellular matrix of matrix-forming cells in addition to a cytoplasmic localization. Identical results were obtained when the FN signal and propeptides were replaced by those of E-cadherin. © 1991.
format JOUR
author Dufour, S.
Gutman, A.
Bois, F.
Lamb, N.
Thiery, J.P.
Kornblihtt, A.R.
author_facet Dufour, S.
Gutman, A.
Bois, F.
Lamb, N.
Thiery, J.P.
Kornblihtt, A.R.
author_sort Dufour, S.
title Generation of full-length cDNA recombinant vectors for the transient expression of human fibronectin in mammalian cell lines
title_short Generation of full-length cDNA recombinant vectors for the transient expression of human fibronectin in mammalian cell lines
title_full Generation of full-length cDNA recombinant vectors for the transient expression of human fibronectin in mammalian cell lines
title_fullStr Generation of full-length cDNA recombinant vectors for the transient expression of human fibronectin in mammalian cell lines
title_full_unstemmed Generation of full-length cDNA recombinant vectors for the transient expression of human fibronectin in mammalian cell lines
title_sort generation of full-length cdna recombinant vectors for the transient expression of human fibronectin in mammalian cell lines
url http://hdl.handle.net/20.500.12110/paper_00144827_v193_n2_p331_Dufour
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