Vascular endothelial growth factor overexpression does not enhance adipose stromal cell-induced protection on muscle damage in critical limb ischemia
- Autores
- Olea, Fernanda Daniela; Locatelli, Paola; Hnatiuk, Anna; De Lorenzi, Andrea; Valdivieso, León; Rocha, Estefanía; Ramirez, Rodrigo Julio; Laguens, Rubén; Crottogini, Alberto José
- Año de publicación
- 2015
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Objectives: Critical limb ischemia complicates peripheral artery disease leading to tissue damage and amputation. We hypothesized that modifying adipose stromal cells (ASCs) to overexpress human vascular endothelial growth factor 165 (VEGF) would limit ischemic muscle damage to a larger extent than nonmodified ASCs. Approach and Results: Rabbits with critical hindlimb ischemia were injected with allogeneic abdominal fat-derived ASCs transfected with plasmid-VEGF165 (ASCs-VEGF; n=10). Additional rabbits received nontransfected ASCs (ASCs; n=10) or vehicle (placebo; n=10). One month later, ASCs-VEGF rabbits exhibited significantly higher density of angiographically visible collaterals and capillaries versus placebo (both P<0.05) but not versus ASCs (both P=NS). Arteriolar density, however, was increased in both ASCs and ASCs-VEGF groups (both P<0.05 versus placebo). ASCs-VEGF and ASCs showed comparable post-treatment improvements in Doppler-assessed peak systolic velocity, blood pressure ratio, and resistance index. Ischemic lesions were found in 40% of the muscle samples in the placebo group, 19% in the ASCs-VEGF group, and 17% in the ASCs groups (both P<0.05 versus placebo, Fisher test). Conclusions: In a rabbit model of critical limb ischemia, intramuscular injection of ASCs genetically modified to overexpress VEGF increase angiographically visible collaterals and capillary density. However, both modified and nonmodified ASCs increase arteriolar density to a similar extent and afford equal protection against ischemia-induced muscle lesions. These results indicate that modifying ASCs to overexpress VEGF does not enhance the protective effect of ASCs, and that arteriolar proliferation plays a pivotal role in limiting the irreversible tissue damage of critical limb ischemia.
Fil: Olea, Fernanda Daniela. Universidad Favaloro. Área de Investigación y Desarrollo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Locatelli, Paola. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Favaloro. Área de Investigación y Desarrollo; Argentina
Fil: Hnatiuk, Anna. Universidad Favaloro. Área de Investigación y Desarrollo; Argentina
Fil: De Lorenzi, Andrea. Fundación Favaloro; Argentina
Fil: Valdivieso, León. Fundación Favaloro; Argentina
Fil: Rocha, Estefanía. Universidad Favaloro. Área de Investigación y Desarrollo; Argentina
Fil: Ramirez, Rodrigo Julio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Favaloro. Área de Investigación y Desarrollo; Argentina
Fil: Laguens, Rubén. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Favaloro. Área de Investigación y Desarrollo; Argentina
Fil: Crottogini, Alberto José. Universidad Favaloro. Área de Investigación y Desarrollo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina - Materia
-
Adult Somatic Stem Cells
Angiogenesis Effect
Vascular Endothelial Growth Factor A - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/37960
Ver los metadatos del registro completo
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oai:ri.conicet.gov.ar:11336/37960 |
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Vascular endothelial growth factor overexpression does not enhance adipose stromal cell-induced protection on muscle damage in critical limb ischemiaOlea, Fernanda DanielaLocatelli, PaolaHnatiuk, AnnaDe Lorenzi, AndreaValdivieso, LeónRocha, EstefaníaRamirez, Rodrigo JulioLaguens, RubénCrottogini, Alberto JoséAdult Somatic Stem CellsAngiogenesis EffectVascular Endothelial Growth Factor Ahttps://purl.org/becyt/ford/3.4https://purl.org/becyt/ford/3Objectives: Critical limb ischemia complicates peripheral artery disease leading to tissue damage and amputation. We hypothesized that modifying adipose stromal cells (ASCs) to overexpress human vascular endothelial growth factor 165 (VEGF) would limit ischemic muscle damage to a larger extent than nonmodified ASCs. Approach and Results: Rabbits with critical hindlimb ischemia were injected with allogeneic abdominal fat-derived ASCs transfected with plasmid-VEGF165 (ASCs-VEGF; n=10). Additional rabbits received nontransfected ASCs (ASCs; n=10) or vehicle (placebo; n=10). One month later, ASCs-VEGF rabbits exhibited significantly higher density of angiographically visible collaterals and capillaries versus placebo (both P<0.05) but not versus ASCs (both P=NS). Arteriolar density, however, was increased in both ASCs and ASCs-VEGF groups (both P<0.05 versus placebo). ASCs-VEGF and ASCs showed comparable post-treatment improvements in Doppler-assessed peak systolic velocity, blood pressure ratio, and resistance index. Ischemic lesions were found in 40% of the muscle samples in the placebo group, 19% in the ASCs-VEGF group, and 17% in the ASCs groups (both P<0.05 versus placebo, Fisher test). Conclusions: In a rabbit model of critical limb ischemia, intramuscular injection of ASCs genetically modified to overexpress VEGF increase angiographically visible collaterals and capillary density. However, both modified and nonmodified ASCs increase arteriolar density to a similar extent and afford equal protection against ischemia-induced muscle lesions. These results indicate that modifying ASCs to overexpress VEGF does not enhance the protective effect of ASCs, and that arteriolar proliferation plays a pivotal role in limiting the irreversible tissue damage of critical limb ischemia.Fil: Olea, Fernanda Daniela. Universidad Favaloro. Área de Investigación y Desarrollo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Locatelli, Paola. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Favaloro. Área de Investigación y Desarrollo; ArgentinaFil: Hnatiuk, Anna. Universidad Favaloro. Área de Investigación y Desarrollo; ArgentinaFil: De Lorenzi, Andrea. Fundación Favaloro; ArgentinaFil: Valdivieso, León. Fundación Favaloro; ArgentinaFil: Rocha, Estefanía. Universidad Favaloro. Área de Investigación y Desarrollo; ArgentinaFil: Ramirez, Rodrigo Julio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Favaloro. Área de Investigación y Desarrollo; ArgentinaFil: Laguens, Rubén. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Favaloro. Área de Investigación y Desarrollo; ArgentinaFil: Crottogini, Alberto José. Universidad Favaloro. Área de Investigación y Desarrollo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaLippincott Williams2015-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/37960Olea, Fernanda Daniela; Locatelli, Paola; Hnatiuk, Anna; De Lorenzi, Andrea; Valdivieso, León; et al.; Vascular endothelial growth factor overexpression does not enhance adipose stromal cell-induced protection on muscle damage in critical limb ischemia; Lippincott Williams; Arteriosclerosis, Thrombosis, and Vascular Biology; 35; 1; 1-2015; 184-1881079-5642CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1161/ATVBAHA.114.304348info:eu-repo/semantics/altIdentifier/url/http://atvb.ahajournals.org/content/35/1/184info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:59:39Zoai:ri.conicet.gov.ar:11336/37960instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 09:59:39.407CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Vascular endothelial growth factor overexpression does not enhance adipose stromal cell-induced protection on muscle damage in critical limb ischemia |
title |
Vascular endothelial growth factor overexpression does not enhance adipose stromal cell-induced protection on muscle damage in critical limb ischemia |
spellingShingle |
Vascular endothelial growth factor overexpression does not enhance adipose stromal cell-induced protection on muscle damage in critical limb ischemia Olea, Fernanda Daniela Adult Somatic Stem Cells Angiogenesis Effect Vascular Endothelial Growth Factor A |
title_short |
Vascular endothelial growth factor overexpression does not enhance adipose stromal cell-induced protection on muscle damage in critical limb ischemia |
title_full |
Vascular endothelial growth factor overexpression does not enhance adipose stromal cell-induced protection on muscle damage in critical limb ischemia |
title_fullStr |
Vascular endothelial growth factor overexpression does not enhance adipose stromal cell-induced protection on muscle damage in critical limb ischemia |
title_full_unstemmed |
Vascular endothelial growth factor overexpression does not enhance adipose stromal cell-induced protection on muscle damage in critical limb ischemia |
title_sort |
Vascular endothelial growth factor overexpression does not enhance adipose stromal cell-induced protection on muscle damage in critical limb ischemia |
dc.creator.none.fl_str_mv |
Olea, Fernanda Daniela Locatelli, Paola Hnatiuk, Anna De Lorenzi, Andrea Valdivieso, León Rocha, Estefanía Ramirez, Rodrigo Julio Laguens, Rubén Crottogini, Alberto José |
author |
Olea, Fernanda Daniela |
author_facet |
Olea, Fernanda Daniela Locatelli, Paola Hnatiuk, Anna De Lorenzi, Andrea Valdivieso, León Rocha, Estefanía Ramirez, Rodrigo Julio Laguens, Rubén Crottogini, Alberto José |
author_role |
author |
author2 |
Locatelli, Paola Hnatiuk, Anna De Lorenzi, Andrea Valdivieso, León Rocha, Estefanía Ramirez, Rodrigo Julio Laguens, Rubén Crottogini, Alberto José |
author2_role |
author author author author author author author author |
dc.subject.none.fl_str_mv |
Adult Somatic Stem Cells Angiogenesis Effect Vascular Endothelial Growth Factor A |
topic |
Adult Somatic Stem Cells Angiogenesis Effect Vascular Endothelial Growth Factor A |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/3.4 https://purl.org/becyt/ford/3 |
dc.description.none.fl_txt_mv |
Objectives: Critical limb ischemia complicates peripheral artery disease leading to tissue damage and amputation. We hypothesized that modifying adipose stromal cells (ASCs) to overexpress human vascular endothelial growth factor 165 (VEGF) would limit ischemic muscle damage to a larger extent than nonmodified ASCs. Approach and Results: Rabbits with critical hindlimb ischemia were injected with allogeneic abdominal fat-derived ASCs transfected with plasmid-VEGF165 (ASCs-VEGF; n=10). Additional rabbits received nontransfected ASCs (ASCs; n=10) or vehicle (placebo; n=10). One month later, ASCs-VEGF rabbits exhibited significantly higher density of angiographically visible collaterals and capillaries versus placebo (both P<0.05) but not versus ASCs (both P=NS). Arteriolar density, however, was increased in both ASCs and ASCs-VEGF groups (both P<0.05 versus placebo). ASCs-VEGF and ASCs showed comparable post-treatment improvements in Doppler-assessed peak systolic velocity, blood pressure ratio, and resistance index. Ischemic lesions were found in 40% of the muscle samples in the placebo group, 19% in the ASCs-VEGF group, and 17% in the ASCs groups (both P<0.05 versus placebo, Fisher test). Conclusions: In a rabbit model of critical limb ischemia, intramuscular injection of ASCs genetically modified to overexpress VEGF increase angiographically visible collaterals and capillary density. However, both modified and nonmodified ASCs increase arteriolar density to a similar extent and afford equal protection against ischemia-induced muscle lesions. These results indicate that modifying ASCs to overexpress VEGF does not enhance the protective effect of ASCs, and that arteriolar proliferation plays a pivotal role in limiting the irreversible tissue damage of critical limb ischemia. Fil: Olea, Fernanda Daniela. Universidad Favaloro. Área de Investigación y Desarrollo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Locatelli, Paola. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Favaloro. Área de Investigación y Desarrollo; Argentina Fil: Hnatiuk, Anna. Universidad Favaloro. Área de Investigación y Desarrollo; Argentina Fil: De Lorenzi, Andrea. Fundación Favaloro; Argentina Fil: Valdivieso, León. Fundación Favaloro; Argentina Fil: Rocha, Estefanía. Universidad Favaloro. Área de Investigación y Desarrollo; Argentina Fil: Ramirez, Rodrigo Julio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Favaloro. Área de Investigación y Desarrollo; Argentina Fil: Laguens, Rubén. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Favaloro. Área de Investigación y Desarrollo; Argentina Fil: Crottogini, Alberto José. Universidad Favaloro. Área de Investigación y Desarrollo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina |
description |
Objectives: Critical limb ischemia complicates peripheral artery disease leading to tissue damage and amputation. We hypothesized that modifying adipose stromal cells (ASCs) to overexpress human vascular endothelial growth factor 165 (VEGF) would limit ischemic muscle damage to a larger extent than nonmodified ASCs. Approach and Results: Rabbits with critical hindlimb ischemia were injected with allogeneic abdominal fat-derived ASCs transfected with plasmid-VEGF165 (ASCs-VEGF; n=10). Additional rabbits received nontransfected ASCs (ASCs; n=10) or vehicle (placebo; n=10). One month later, ASCs-VEGF rabbits exhibited significantly higher density of angiographically visible collaterals and capillaries versus placebo (both P<0.05) but not versus ASCs (both P=NS). Arteriolar density, however, was increased in both ASCs and ASCs-VEGF groups (both P<0.05 versus placebo). ASCs-VEGF and ASCs showed comparable post-treatment improvements in Doppler-assessed peak systolic velocity, blood pressure ratio, and resistance index. Ischemic lesions were found in 40% of the muscle samples in the placebo group, 19% in the ASCs-VEGF group, and 17% in the ASCs groups (both P<0.05 versus placebo, Fisher test). Conclusions: In a rabbit model of critical limb ischemia, intramuscular injection of ASCs genetically modified to overexpress VEGF increase angiographically visible collaterals and capillary density. However, both modified and nonmodified ASCs increase arteriolar density to a similar extent and afford equal protection against ischemia-induced muscle lesions. These results indicate that modifying ASCs to overexpress VEGF does not enhance the protective effect of ASCs, and that arteriolar proliferation plays a pivotal role in limiting the irreversible tissue damage of critical limb ischemia. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-01 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/37960 Olea, Fernanda Daniela; Locatelli, Paola; Hnatiuk, Anna; De Lorenzi, Andrea; Valdivieso, León; et al.; Vascular endothelial growth factor overexpression does not enhance adipose stromal cell-induced protection on muscle damage in critical limb ischemia; Lippincott Williams; Arteriosclerosis, Thrombosis, and Vascular Biology; 35; 1; 1-2015; 184-188 1079-5642 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/37960 |
identifier_str_mv |
Olea, Fernanda Daniela; Locatelli, Paola; Hnatiuk, Anna; De Lorenzi, Andrea; Valdivieso, León; et al.; Vascular endothelial growth factor overexpression does not enhance adipose stromal cell-induced protection on muscle damage in critical limb ischemia; Lippincott Williams; Arteriosclerosis, Thrombosis, and Vascular Biology; 35; 1; 1-2015; 184-188 1079-5642 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1161/ATVBAHA.114.304348 info:eu-repo/semantics/altIdentifier/url/http://atvb.ahajournals.org/content/35/1/184 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Lippincott Williams |
publisher.none.fl_str_mv |
Lippincott Williams |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1842269593420169216 |
score |
13.13397 |