Vasopressin receptor-mediated functional signaling pathway in primary cilia of renal epithelial cells
- Autores
- Raychowdhury, Malay K.; Ramos, Arnolt J.; Zhang, Peng; McLaughin, Margaret; Dai, Xiao-Qing; Chen, Xing-Zhen; Montalbetti, Nicolas; Cantero, Maria del Rocio; Ausiello, Dennis A.; Cantiello, Horacio Fabio
- Año de publicación
- 2009
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The primary cilium of renal epithelial cells is a nonmotile sensory organelle, implicated in mechanosensory transduction signals. Recent studies from our laboratory indicate that renal epithelial primary cilia display abundant channel activity; however, the presence and functional role of specific membrane receptors in this organelle are heretofore unknown. Here, we determined a functional signaling pathway associated with the type 2 vasopressin receptor (V2R) in primary cilia of renal epithelial cells. Besides their normal localization on basolateral membrane, V2R was expressed in primary cilia of LLC-PK1 renal epithelial cells. The presence of V2R in primary cilia was determined by spontaneous fluorescence of a V2R-gfp chimera and confirmed by immunocytochemical analysis of wild-type LLC-PK1 cells stained with anti-V2R antibodies and in LLC-PK1 cells overexpressing the V2R-Flag, with anti-Flag antibody. Ciliary V2R colocalized with adenylyl cyclase (AC) type V/VI in all cell types tested. Functional coupling of the receptors with AC was confirmed by measurement of cAMP production in isolated cilia and by testing AVP-induced cation-selective channel activity either in reconstituted lipid bilayers or subjected to membrane-attached patch clamping. Addition of either 10 μM AVP (trans) or forskolin (cis) in the presence but not the absence of ATP (1 mM, cis) stimulated cation-selective channel activity in ciliary membranes. This channel activity was reduced by addition of the PKA inhibitor PKI. The data provide the first demonstration for the presence of V2R in primary cilia of renal epithelial cells, and a functional cAMP-signaling pathway, which targets ciliary channel function and may help control the sensory function of the primary cilium.
Fil: Raychowdhury, Malay K.. Massachusetts General Hospital; Estados Unidos. Harvard Medical School; Estados Unidos
Fil: Ramos, Arnolt J.. Massachusetts General Hospital; Estados Unidos. Harvard Medical School; Estados Unidos
Fil: Zhang, Peng. Massachusetts General Hospital; Estados Unidos. Harvard Medical School; Estados Unidos
Fil: McLaughin, Margaret. Harvard Medical School; Estados Unidos. Massachusetts General Hospital; Estados Unidos
Fil: Dai, Xiao-Qing. University of Alberta; Canadá
Fil: Chen, Xing-Zhen. University of Alberta; Canadá
Fil: Montalbetti, Nicolas. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones Cardiológicas; Argentina
Fil: Cantero, Maria del Rocio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones Cardiológicas; Argentina
Fil: Ausiello, Dennis A.. Massachusetts General Hospital; Estados Unidos. Harvard Medical School; Estados Unidos
Fil: Cantiello, Horacio Fabio. Massachusetts General Hospital; Estados Unidos. Harvard Medical School; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones Cardiológicas; Argentina - Materia
-
VAP
PC2
cilia - 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:11336/113747
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Vasopressin receptor-mediated functional signaling pathway in primary cilia of renal epithelial cellsRaychowdhury, Malay K.Ramos, Arnolt J.Zhang, PengMcLaughin, MargaretDai, Xiao-QingChen, Xing-ZhenMontalbetti, NicolasCantero, Maria del RocioAusiello, Dennis A.Cantiello, Horacio FabioVAPPC2ciliahttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1The primary cilium of renal epithelial cells is a nonmotile sensory organelle, implicated in mechanosensory transduction signals. Recent studies from our laboratory indicate that renal epithelial primary cilia display abundant channel activity; however, the presence and functional role of specific membrane receptors in this organelle are heretofore unknown. Here, we determined a functional signaling pathway associated with the type 2 vasopressin receptor (V2R) in primary cilia of renal epithelial cells. Besides their normal localization on basolateral membrane, V2R was expressed in primary cilia of LLC-PK1 renal epithelial cells. The presence of V2R in primary cilia was determined by spontaneous fluorescence of a V2R-gfp chimera and confirmed by immunocytochemical analysis of wild-type LLC-PK1 cells stained with anti-V2R antibodies and in LLC-PK1 cells overexpressing the V2R-Flag, with anti-Flag antibody. Ciliary V2R colocalized with adenylyl cyclase (AC) type V/VI in all cell types tested. Functional coupling of the receptors with AC was confirmed by measurement of cAMP production in isolated cilia and by testing AVP-induced cation-selective channel activity either in reconstituted lipid bilayers or subjected to membrane-attached patch clamping. Addition of either 10 μM AVP (trans) or forskolin (cis) in the presence but not the absence of ATP (1 mM, cis) stimulated cation-selective channel activity in ciliary membranes. This channel activity was reduced by addition of the PKA inhibitor PKI. The data provide the first demonstration for the presence of V2R in primary cilia of renal epithelial cells, and a functional cAMP-signaling pathway, which targets ciliary channel function and may help control the sensory function of the primary cilium.Fil: Raychowdhury, Malay K.. Massachusetts General Hospital; Estados Unidos. Harvard Medical School; Estados UnidosFil: Ramos, Arnolt J.. Massachusetts General Hospital; Estados Unidos. Harvard Medical School; Estados UnidosFil: Zhang, Peng. Massachusetts General Hospital; Estados Unidos. Harvard Medical School; Estados UnidosFil: McLaughin, Margaret. Harvard Medical School; Estados Unidos. Massachusetts General Hospital; Estados UnidosFil: Dai, Xiao-Qing. University of Alberta; CanadáFil: Chen, Xing-Zhen. University of Alberta; CanadáFil: Montalbetti, Nicolas. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones Cardiológicas; ArgentinaFil: Cantero, Maria del Rocio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones Cardiológicas; ArgentinaFil: Ausiello, Dennis A.. Massachusetts General Hospital; Estados Unidos. Harvard Medical School; Estados UnidosFil: Cantiello, Horacio Fabio. Massachusetts General Hospital; Estados Unidos. Harvard Medical School; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones Cardiológicas; ArgentinaAmerican Physiological Society2009-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/113747Raychowdhury, Malay K.; Ramos, Arnolt J.; Zhang, Peng; McLaughin, Margaret; Dai, Xiao-Qing; et al.; Vasopressin receptor-mediated functional signaling pathway in primary cilia of renal epithelial cells; American Physiological Society; American Journal Of Physiology-renal Physiology; 296; 1; 1-2009; F87-F970363-61271931-857XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1152/ajprenal.90509.2008info:eu-repo/semantics/altIdentifier/url/https://journals.physiology.org/doi/full/10.1152/ajprenal.90509.2008info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:40:59Zoai:ri.conicet.gov.ar:11336/113747instacron: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 09:40:59.578CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Vasopressin receptor-mediated functional signaling pathway in primary cilia of renal epithelial cells |
title |
Vasopressin receptor-mediated functional signaling pathway in primary cilia of renal epithelial cells |
spellingShingle |
Vasopressin receptor-mediated functional signaling pathway in primary cilia of renal epithelial cells Raychowdhury, Malay K. VAP PC2 cilia |
title_short |
Vasopressin receptor-mediated functional signaling pathway in primary cilia of renal epithelial cells |
title_full |
Vasopressin receptor-mediated functional signaling pathway in primary cilia of renal epithelial cells |
title_fullStr |
Vasopressin receptor-mediated functional signaling pathway in primary cilia of renal epithelial cells |
title_full_unstemmed |
Vasopressin receptor-mediated functional signaling pathway in primary cilia of renal epithelial cells |
title_sort |
Vasopressin receptor-mediated functional signaling pathway in primary cilia of renal epithelial cells |
dc.creator.none.fl_str_mv |
Raychowdhury, Malay K. Ramos, Arnolt J. Zhang, Peng McLaughin, Margaret Dai, Xiao-Qing Chen, Xing-Zhen Montalbetti, Nicolas Cantero, Maria del Rocio Ausiello, Dennis A. Cantiello, Horacio Fabio |
author |
Raychowdhury, Malay K. |
author_facet |
Raychowdhury, Malay K. Ramos, Arnolt J. Zhang, Peng McLaughin, Margaret Dai, Xiao-Qing Chen, Xing-Zhen Montalbetti, Nicolas Cantero, Maria del Rocio Ausiello, Dennis A. Cantiello, Horacio Fabio |
author_role |
author |
author2 |
Ramos, Arnolt J. Zhang, Peng McLaughin, Margaret Dai, Xiao-Qing Chen, Xing-Zhen Montalbetti, Nicolas Cantero, Maria del Rocio Ausiello, Dennis A. Cantiello, Horacio Fabio |
author2_role |
author author author author author author author author author |
dc.subject.none.fl_str_mv |
VAP PC2 cilia |
topic |
VAP PC2 cilia |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
The primary cilium of renal epithelial cells is a nonmotile sensory organelle, implicated in mechanosensory transduction signals. Recent studies from our laboratory indicate that renal epithelial primary cilia display abundant channel activity; however, the presence and functional role of specific membrane receptors in this organelle are heretofore unknown. Here, we determined a functional signaling pathway associated with the type 2 vasopressin receptor (V2R) in primary cilia of renal epithelial cells. Besides their normal localization on basolateral membrane, V2R was expressed in primary cilia of LLC-PK1 renal epithelial cells. The presence of V2R in primary cilia was determined by spontaneous fluorescence of a V2R-gfp chimera and confirmed by immunocytochemical analysis of wild-type LLC-PK1 cells stained with anti-V2R antibodies and in LLC-PK1 cells overexpressing the V2R-Flag, with anti-Flag antibody. Ciliary V2R colocalized with adenylyl cyclase (AC) type V/VI in all cell types tested. Functional coupling of the receptors with AC was confirmed by measurement of cAMP production in isolated cilia and by testing AVP-induced cation-selective channel activity either in reconstituted lipid bilayers or subjected to membrane-attached patch clamping. Addition of either 10 μM AVP (trans) or forskolin (cis) in the presence but not the absence of ATP (1 mM, cis) stimulated cation-selective channel activity in ciliary membranes. This channel activity was reduced by addition of the PKA inhibitor PKI. The data provide the first demonstration for the presence of V2R in primary cilia of renal epithelial cells, and a functional cAMP-signaling pathway, which targets ciliary channel function and may help control the sensory function of the primary cilium. Fil: Raychowdhury, Malay K.. Massachusetts General Hospital; Estados Unidos. Harvard Medical School; Estados Unidos Fil: Ramos, Arnolt J.. Massachusetts General Hospital; Estados Unidos. Harvard Medical School; Estados Unidos Fil: Zhang, Peng. Massachusetts General Hospital; Estados Unidos. Harvard Medical School; Estados Unidos Fil: McLaughin, Margaret. Harvard Medical School; Estados Unidos. Massachusetts General Hospital; Estados Unidos Fil: Dai, Xiao-Qing. University of Alberta; Canadá Fil: Chen, Xing-Zhen. University of Alberta; Canadá Fil: Montalbetti, Nicolas. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones Cardiológicas; Argentina Fil: Cantero, Maria del Rocio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones Cardiológicas; Argentina Fil: Ausiello, Dennis A.. Massachusetts General Hospital; Estados Unidos. Harvard Medical School; Estados Unidos Fil: Cantiello, Horacio Fabio. Massachusetts General Hospital; Estados Unidos. Harvard Medical School; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Cardiológicas. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones Cardiológicas; Argentina |
description |
The primary cilium of renal epithelial cells is a nonmotile sensory organelle, implicated in mechanosensory transduction signals. Recent studies from our laboratory indicate that renal epithelial primary cilia display abundant channel activity; however, the presence and functional role of specific membrane receptors in this organelle are heretofore unknown. Here, we determined a functional signaling pathway associated with the type 2 vasopressin receptor (V2R) in primary cilia of renal epithelial cells. Besides their normal localization on basolateral membrane, V2R was expressed in primary cilia of LLC-PK1 renal epithelial cells. The presence of V2R in primary cilia was determined by spontaneous fluorescence of a V2R-gfp chimera and confirmed by immunocytochemical analysis of wild-type LLC-PK1 cells stained with anti-V2R antibodies and in LLC-PK1 cells overexpressing the V2R-Flag, with anti-Flag antibody. Ciliary V2R colocalized with adenylyl cyclase (AC) type V/VI in all cell types tested. Functional coupling of the receptors with AC was confirmed by measurement of cAMP production in isolated cilia and by testing AVP-induced cation-selective channel activity either in reconstituted lipid bilayers or subjected to membrane-attached patch clamping. Addition of either 10 μM AVP (trans) or forskolin (cis) in the presence but not the absence of ATP (1 mM, cis) stimulated cation-selective channel activity in ciliary membranes. This channel activity was reduced by addition of the PKA inhibitor PKI. The data provide the first demonstration for the presence of V2R in primary cilia of renal epithelial cells, and a functional cAMP-signaling pathway, which targets ciliary channel function and may help control the sensory function of the primary cilium. |
publishDate |
2009 |
dc.date.none.fl_str_mv |
2009-01 |
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/11336/113747 Raychowdhury, Malay K.; Ramos, Arnolt J.; Zhang, Peng; McLaughin, Margaret; Dai, Xiao-Qing; et al.; Vasopressin receptor-mediated functional signaling pathway in primary cilia of renal epithelial cells; American Physiological Society; American Journal Of Physiology-renal Physiology; 296; 1; 1-2009; F87-F97 0363-6127 1931-857X CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/113747 |
identifier_str_mv |
Raychowdhury, Malay K.; Ramos, Arnolt J.; Zhang, Peng; McLaughin, Margaret; Dai, Xiao-Qing; et al.; Vasopressin receptor-mediated functional signaling pathway in primary cilia of renal epithelial cells; American Physiological Society; American Journal Of Physiology-renal Physiology; 296; 1; 1-2009; F87-F97 0363-6127 1931-857X CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1152/ajprenal.90509.2008 info:eu-repo/semantics/altIdentifier/url/https://journals.physiology.org/doi/full/10.1152/ajprenal.90509.2008 |
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 application/pdf |
dc.publisher.none.fl_str_mv |
American Physiological Society |
publisher.none.fl_str_mv |
American Physiological Society |
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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1844613296741679104 |
score |
13.070432 |