Bone marrow mesenchymal stem cells for improving hematopoietic function: an in vitro and in vivo model. Part 2: Effect on bone marrow microenvironment.

The aim of the present study was to determine how mesenchymal stem cells (MSC) could improve bone marrow (BM) stroma function after damage, both in vitro and in vivo. Human MSC from 20 healthy donors were isolated and expanded. Mobilized selected CD34(+) progenitor cells were obtained from 20 HSCT d...

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Autores principales:	Soraya Carrancio, Belen Blanco, Carlos Romo, Sandra Muntion, Natalia Lopez-Holgado, Juan F Blanco, Jesus G Briñon, Jesus F San Miguel, Fermin M Sanchez-Guijo, M Consuelo del Cañizo
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2011
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/94060712a0bd4b4c84244f9b24e76e42
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spelling	oai:doaj.org-article:94060712a0bd4b4c84244f9b24e76e422021-11-18T07:36:02ZBone marrow mesenchymal stem cells for improving hematopoietic function: an in vitro and in vivo model. Part 2: Effect on bone marrow microenvironment.1932-620310.1371/journal.pone.0026241https://doaj.org/article/94060712a0bd4b4c84244f9b24e76e422011-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22028841/?tool=EBIhttps://doaj.org/toc/1932-6203The aim of the present study was to determine how mesenchymal stem cells (MSC) could improve bone marrow (BM) stroma function after damage, both in vitro and in vivo. Human MSC from 20 healthy donors were isolated and expanded. Mobilized selected CD34(+) progenitor cells were obtained from 20 HSCT donors. For in vitro study, long-term bone marrow cultures (LTBMC) were performed using a etoposide damaged stromal model to test MSC effect in stromal confluence, capability of MSC to lodge in stromal layer as well as some molecules (SDF1, osteopontin,) involved in hematopoietic niche maintenance were analyzed. For the in vivo model, 64 NOD/SCID recipients were transplanted with CD34+ cells administered either by intravenous (i.v.) or intrabone (i.b.) route, with or without BM derived MSC. MSC lodgement within the BM niche was assessed by FISH analysis and the expression of SDF1 and osteopontin by immunohistochemistry. In vivo study showed that when the stromal damage was severe, TP-MSC could lodge in the etoposide-treated BM stroma, as shown by FISH analysis. Osteopontin and SDF1 were differently expressed in damaged stroma and their expression restored after TP-MSC addition. Human in vivo MSC lodgement was observed within BM niche by FISH, but MSC only were detected and not in the contralateral femurs. Human MSC were located around blood vessels in the subendoestal region of femurs and expressed SDF1 and osteopontin. In summary, our data show that MSC can restore BM stromal function and also engraft when a higher stromal damage was done. Interestingly, MSC were detected locally where they were administered but not in the contralateral femur.Soraya CarrancioBelen BlancoCarlos RomoSandra MuntionNatalia Lopez-HolgadoJuan F BlancoJesus G BriñonJesus F San MiguelFermin M Sanchez-GuijoM Consuelo del CañizoPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 6, Iss 10, p e26241 (2011)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Soraya Carrancio Belen Blanco Carlos Romo Sandra Muntion Natalia Lopez-Holgado Juan F Blanco Jesus G Briñon Jesus F San Miguel Fermin M Sanchez-Guijo M Consuelo del Cañizo Bone marrow mesenchymal stem cells for improving hematopoietic function: an in vitro and in vivo model. Part 2: Effect on bone marrow microenvironment.
description	The aim of the present study was to determine how mesenchymal stem cells (MSC) could improve bone marrow (BM) stroma function after damage, both in vitro and in vivo. Human MSC from 20 healthy donors were isolated and expanded. Mobilized selected CD34(+) progenitor cells were obtained from 20 HSCT donors. For in vitro study, long-term bone marrow cultures (LTBMC) were performed using a etoposide damaged stromal model to test MSC effect in stromal confluence, capability of MSC to lodge in stromal layer as well as some molecules (SDF1, osteopontin,) involved in hematopoietic niche maintenance were analyzed. For the in vivo model, 64 NOD/SCID recipients were transplanted with CD34+ cells administered either by intravenous (i.v.) or intrabone (i.b.) route, with or without BM derived MSC. MSC lodgement within the BM niche was assessed by FISH analysis and the expression of SDF1 and osteopontin by immunohistochemistry. In vivo study showed that when the stromal damage was severe, TP-MSC could lodge in the etoposide-treated BM stroma, as shown by FISH analysis. Osteopontin and SDF1 were differently expressed in damaged stroma and their expression restored after TP-MSC addition. Human in vivo MSC lodgement was observed within BM niche by FISH, but MSC only were detected and not in the contralateral femurs. Human MSC were located around blood vessels in the subendoestal region of femurs and expressed SDF1 and osteopontin. In summary, our data show that MSC can restore BM stromal function and also engraft when a higher stromal damage was done. Interestingly, MSC were detected locally where they were administered but not in the contralateral femur.
format	article
author	Soraya Carrancio Belen Blanco Carlos Romo Sandra Muntion Natalia Lopez-Holgado Juan F Blanco Jesus G Briñon Jesus F San Miguel Fermin M Sanchez-Guijo M Consuelo del Cañizo
author_facet	Soraya Carrancio Belen Blanco Carlos Romo Sandra Muntion Natalia Lopez-Holgado Juan F Blanco Jesus G Briñon Jesus F San Miguel Fermin M Sanchez-Guijo M Consuelo del Cañizo
author_sort	Soraya Carrancio
title	Bone marrow mesenchymal stem cells for improving hematopoietic function: an in vitro and in vivo model. Part 2: Effect on bone marrow microenvironment.
title_short	Bone marrow mesenchymal stem cells for improving hematopoietic function: an in vitro and in vivo model. Part 2: Effect on bone marrow microenvironment.
title_full	Bone marrow mesenchymal stem cells for improving hematopoietic function: an in vitro and in vivo model. Part 2: Effect on bone marrow microenvironment.
title_fullStr	Bone marrow mesenchymal stem cells for improving hematopoietic function: an in vitro and in vivo model. Part 2: Effect on bone marrow microenvironment.
title_full_unstemmed	Bone marrow mesenchymal stem cells for improving hematopoietic function: an in vitro and in vivo model. Part 2: Effect on bone marrow microenvironment.
title_sort	bone marrow mesenchymal stem cells for improving hematopoietic function: an in vitro and in vivo model. part 2: effect on bone marrow microenvironment.
publisher	Public Library of Science (PLoS)
publishDate	2011
url	https://doaj.org/article/94060712a0bd4b4c84244f9b24e76e42
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Bone marrow mesenchymal stem cells for improving hematopoietic function: an in vitro and in vivo model. Part 2: Effect on bone marrow microenvironment.

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