Regulatory volume increase (RVI) and regulatory volume decrease (RVD) responses in HL-1 cardiac myocytes
- Autores
- Cacace, Verónica Inés; Finkelsteyn, Andrés Gabriel; Tasso, Laura Mónica; Kusnier, Carlos Federico; Gomez, Karina Andrea; Fischbarg, Jorge
- Año de publicación
- 2014
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Background/Aims: we have investigated whether cultured cardiomyocytes of the cell line HL-1 have the ability to perform regulatory volume responses both in hypotonic and hypertonic conditions. Furthermore, we characterized those regulatory responses and studied the effects of bumetanide and DIDS in volume regulation of HL-1 cells. Methods: we used a light scattering system to measure the transient volume changes of HL-1 cells when subjected to osmotic challenge. Results: We found that HL-1 cells correct for their volume excess by undergoing regulatory volume decrease (RVD), and also respond to hypertonic stress with a regulatory volume increase (RVI). Rate of RVD was 0.08 ± 0.04 intensity/min, and rate of RVI was 0.09 ± 0.01 intensity/min. Volume recovery was 83.68 ± 5.73 % for RVD and 92.3 ± 2.3 % for RVI. Bumetanide 50 µM inhibited volume recovery, from 92.3 ± 2.3 % (control) to 24.6 ± 8.8 % and reduced the rate of RVI from 0.070 ± 0.020 intensity/min (control) to 0.010 ± 0.005 intensity/min. 50 µM DIDS reduced volume recovery to 42.93 ± 7.7 % and rate of RVI, to 0.03 ± 0.01 intensity/min. Conclusions: these results suggest that bumetanide- and DIDS-sensitive mechanisms are involved in the RVI of HL-1 cells, which points to the involvement of the Na cotransporter and Cl bicarbonate exchanger in RVI, respectively.
Fil: Cacace, Verónica Inés. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas (i); Argentina
Fil: Finkelsteyn, Andrés Gabriel. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Cálculo; Argentina
Fil: Tasso, Laura Mónica. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Ingeniería Genética y Biología Molecular; Argentina
Fil: Kusnier, Carlos Federico. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas (i); Argentina
Fil: Gomez, Karina Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Ingeniería Genética y Biología Molecular; Argentina
Fil: Fischbarg, Jorge. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas (i); Argentina - Materia
-
CELLULAR VOLUMEN
HL-1 CARDIAC CELL
HYPOTONIC CONDITIONS
HYPERTONIC CONDITIONS - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/4008
Ver los metadatos del registro completo
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Regulatory volume increase (RVI) and regulatory volume decrease (RVD) responses in HL-1 cardiac myocytesCacace, Verónica InésFinkelsteyn, Andrés GabrielTasso, Laura MónicaKusnier, Carlos FedericoGomez, Karina AndreaFischbarg, JorgeCELLULAR VOLUMENHL-1 CARDIAC CELLHYPOTONIC CONDITIONSHYPERTONIC CONDITIONShttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Background/Aims: we have investigated whether cultured cardiomyocytes of the cell line HL-1 have the ability to perform regulatory volume responses both in hypotonic and hypertonic conditions. Furthermore, we characterized those regulatory responses and studied the effects of bumetanide and DIDS in volume regulation of HL-1 cells. Methods: we used a light scattering system to measure the transient volume changes of HL-1 cells when subjected to osmotic challenge. Results: We found that HL-1 cells correct for their volume excess by undergoing regulatory volume decrease (RVD), and also respond to hypertonic stress with a regulatory volume increase (RVI). Rate of RVD was 0.08 ± 0.04 intensity/min, and rate of RVI was 0.09 ± 0.01 intensity/min. Volume recovery was 83.68 ± 5.73 % for RVD and 92.3 ± 2.3 % for RVI. Bumetanide 50 µM inhibited volume recovery, from 92.3 ± 2.3 % (control) to 24.6 ± 8.8 % and reduced the rate of RVI from 0.070 ± 0.020 intensity/min (control) to 0.010 ± 0.005 intensity/min. 50 µM DIDS reduced volume recovery to 42.93 ± 7.7 % and rate of RVI, to 0.03 ± 0.01 intensity/min. Conclusions: these results suggest that bumetanide- and DIDS-sensitive mechanisms are involved in the RVI of HL-1 cells, which points to the involvement of the Na cotransporter and Cl bicarbonate exchanger in RVI, respectively.Fil: Cacace, Verónica Inés. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas (i); ArgentinaFil: Finkelsteyn, Andrés Gabriel. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Cálculo; ArgentinaFil: Tasso, Laura Mónica. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Ingeniería Genética y Biología Molecular; ArgentinaFil: Kusnier, Carlos Federico. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas (i); ArgentinaFil: Gomez, Karina Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Ingeniería Genética y Biología Molecular; ArgentinaFil: Fischbarg, Jorge. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas (i); ArgentinaKarger2014-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/4008Cacace, Verónica Inés; Finkelsteyn, Andrés Gabriel; Tasso, Laura Mónica; Kusnier, Carlos Federico; Gomez, Karina Andrea; et al.; Regulatory volume increase (RVI) and regulatory volume decrease (RVD) responses in HL-1 cardiac myocytes; Karger; Cellular Physiology and Biochemistry; 33; 6; 7-2014; 1745-17571015-8987enginfo:eu-repo/semantics/altIdentifier/url/http://www.karger.com/Article/FullText/362955info:eu-repo/semantics/altIdentifier/doi/DOI:10.1159/000362955info:eu-repo/semantics/altIdentifier/issn/1015-8987info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:10:56Zoai:ri.conicet.gov.ar:11336/4008instacron: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:34982025-09-29 10:10:56.414CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Regulatory volume increase (RVI) and regulatory volume decrease (RVD) responses in HL-1 cardiac myocytes |
title |
Regulatory volume increase (RVI) and regulatory volume decrease (RVD) responses in HL-1 cardiac myocytes |
spellingShingle |
Regulatory volume increase (RVI) and regulatory volume decrease (RVD) responses in HL-1 cardiac myocytes Cacace, Verónica Inés CELLULAR VOLUMEN HL-1 CARDIAC CELL HYPOTONIC CONDITIONS HYPERTONIC CONDITIONS |
title_short |
Regulatory volume increase (RVI) and regulatory volume decrease (RVD) responses in HL-1 cardiac myocytes |
title_full |
Regulatory volume increase (RVI) and regulatory volume decrease (RVD) responses in HL-1 cardiac myocytes |
title_fullStr |
Regulatory volume increase (RVI) and regulatory volume decrease (RVD) responses in HL-1 cardiac myocytes |
title_full_unstemmed |
Regulatory volume increase (RVI) and regulatory volume decrease (RVD) responses in HL-1 cardiac myocytes |
title_sort |
Regulatory volume increase (RVI) and regulatory volume decrease (RVD) responses in HL-1 cardiac myocytes |
dc.creator.none.fl_str_mv |
Cacace, Verónica Inés Finkelsteyn, Andrés Gabriel Tasso, Laura Mónica Kusnier, Carlos Federico Gomez, Karina Andrea Fischbarg, Jorge |
author |
Cacace, Verónica Inés |
author_facet |
Cacace, Verónica Inés Finkelsteyn, Andrés Gabriel Tasso, Laura Mónica Kusnier, Carlos Federico Gomez, Karina Andrea Fischbarg, Jorge |
author_role |
author |
author2 |
Finkelsteyn, Andrés Gabriel Tasso, Laura Mónica Kusnier, Carlos Federico Gomez, Karina Andrea Fischbarg, Jorge |
author2_role |
author author author author author |
dc.subject.none.fl_str_mv |
CELLULAR VOLUMEN HL-1 CARDIAC CELL HYPOTONIC CONDITIONS HYPERTONIC CONDITIONS |
topic |
CELLULAR VOLUMEN HL-1 CARDIAC CELL HYPOTONIC CONDITIONS HYPERTONIC CONDITIONS |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Background/Aims: we have investigated whether cultured cardiomyocytes of the cell line HL-1 have the ability to perform regulatory volume responses both in hypotonic and hypertonic conditions. Furthermore, we characterized those regulatory responses and studied the effects of bumetanide and DIDS in volume regulation of HL-1 cells. Methods: we used a light scattering system to measure the transient volume changes of HL-1 cells when subjected to osmotic challenge. Results: We found that HL-1 cells correct for their volume excess by undergoing regulatory volume decrease (RVD), and also respond to hypertonic stress with a regulatory volume increase (RVI). Rate of RVD was 0.08 ± 0.04 intensity/min, and rate of RVI was 0.09 ± 0.01 intensity/min. Volume recovery was 83.68 ± 5.73 % for RVD and 92.3 ± 2.3 % for RVI. Bumetanide 50 µM inhibited volume recovery, from 92.3 ± 2.3 % (control) to 24.6 ± 8.8 % and reduced the rate of RVI from 0.070 ± 0.020 intensity/min (control) to 0.010 ± 0.005 intensity/min. 50 µM DIDS reduced volume recovery to 42.93 ± 7.7 % and rate of RVI, to 0.03 ± 0.01 intensity/min. Conclusions: these results suggest that bumetanide- and DIDS-sensitive mechanisms are involved in the RVI of HL-1 cells, which points to the involvement of the Na cotransporter and Cl bicarbonate exchanger in RVI, respectively. Fil: Cacace, Verónica Inés. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas (i); Argentina Fil: Finkelsteyn, Andrés Gabriel. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Cálculo; Argentina Fil: Tasso, Laura Mónica. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Ingeniería Genética y Biología Molecular; Argentina Fil: Kusnier, Carlos Federico. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas (i); Argentina Fil: Gomez, Karina Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Ingeniería Genética y Biología Molecular; Argentina Fil: Fischbarg, Jorge. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas (i); Argentina |
description |
Background/Aims: we have investigated whether cultured cardiomyocytes of the cell line HL-1 have the ability to perform regulatory volume responses both in hypotonic and hypertonic conditions. Furthermore, we characterized those regulatory responses and studied the effects of bumetanide and DIDS in volume regulation of HL-1 cells. Methods: we used a light scattering system to measure the transient volume changes of HL-1 cells when subjected to osmotic challenge. Results: We found that HL-1 cells correct for their volume excess by undergoing regulatory volume decrease (RVD), and also respond to hypertonic stress with a regulatory volume increase (RVI). Rate of RVD was 0.08 ± 0.04 intensity/min, and rate of RVI was 0.09 ± 0.01 intensity/min. Volume recovery was 83.68 ± 5.73 % for RVD and 92.3 ± 2.3 % for RVI. Bumetanide 50 µM inhibited volume recovery, from 92.3 ± 2.3 % (control) to 24.6 ± 8.8 % and reduced the rate of RVI from 0.070 ± 0.020 intensity/min (control) to 0.010 ± 0.005 intensity/min. 50 µM DIDS reduced volume recovery to 42.93 ± 7.7 % and rate of RVI, to 0.03 ± 0.01 intensity/min. Conclusions: these results suggest that bumetanide- and DIDS-sensitive mechanisms are involved in the RVI of HL-1 cells, which points to the involvement of the Na cotransporter and Cl bicarbonate exchanger in RVI, respectively. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-07 |
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/11336/4008 Cacace, Verónica Inés; Finkelsteyn, Andrés Gabriel; Tasso, Laura Mónica; Kusnier, Carlos Federico; Gomez, Karina Andrea; et al.; Regulatory volume increase (RVI) and regulatory volume decrease (RVD) responses in HL-1 cardiac myocytes; Karger; Cellular Physiology and Biochemistry; 33; 6; 7-2014; 1745-1757 1015-8987 |
url |
http://hdl.handle.net/11336/4008 |
identifier_str_mv |
Cacace, Verónica Inés; Finkelsteyn, Andrés Gabriel; Tasso, Laura Mónica; Kusnier, Carlos Federico; Gomez, Karina Andrea; et al.; Regulatory volume increase (RVI) and regulatory volume decrease (RVD) responses in HL-1 cardiac myocytes; Karger; Cellular Physiology and Biochemistry; 33; 6; 7-2014; 1745-1757 1015-8987 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/http://www.karger.com/Article/FullText/362955 info:eu-repo/semantics/altIdentifier/doi/DOI:10.1159/000362955 info:eu-repo/semantics/altIdentifier/issn/1015-8987 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Karger |
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Karger |
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reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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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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1844614003257507841 |
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13.070432 |