Natural Compound Library Screening Identifies New Molecules for the Treatment of Cardiac Fibrosis and Diastolic Dysfunction

BACKGROUND: Myocardial fibrosis is a hallmark of cardiac remodeling and functionally involved in heart failure development, a leading cause of deaths worldwide. Clinically, no therapeutic strategy is available that specifically attenuates maladaptive responses of cardiac fibroblasts, the effector ce...

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Autores: Schimmel, K. (Katharina)|||/items/db398c60-e014-48da-843a-880afc77498d, Jung, M. (Mira)|||/items/55431b8b-35ee-4dcf-8e5e-8b08e6e2827c, Foinquinos, A. (Ariana)|||/items/2999aa62-73a3-42b7-99b2-c2e69454aef6, San-José-Enériz, G. (Gorka)|||/items/362ac8c3-5d50-4383-9fc1-7abbed048387, Beaumont-Ezcurra, F.J. (Francisco Javier)|||/items/6824d098-1970-4668-9169-8f1f3352e015, Bock, K. (Katharina)|||/items/bc845b4d-826c-4062-b66b-07dc2b56c3f7, Grote-Levi, L. (Lea)|||/items/e7838932-cd4e-4617-bb71-e73c81fa34c4, Xiao, K. (Ke)|||/items/efd36424-9892-4b59-95ac-381ad6f0b49d, Bär, C. (Christian)|||/items/e18d378a-d1b0-49e0-b17c-cbc2446db784, Pfanne, A. (Angelika)|||/items/58cec70d-6f74-48d8-a22d-cceda444fc50, Just, A. (Annette)|||/items/94da7ba3-4871-4557-bb7c-a43777891914, Zimmer, K. (Karina)|||/items/fc6d04ba-cbac-4373-8d36-8d3f9d2c9533, Ngoy, S. (Soeun)|||/items/b56c93cf-229a-4f54-91b6-41c70fad5b2c, Lopez-Salazar, M.B. (María Begoña)|||/items/153e0e37-14b0-403e-afab-8af00c4edde0, Ravassa-Albéniz, S. (Susana)|||/items/df0c1eb3-9f45-4d77-a7a5-aca2bcf425e1, Samolovac, S. (Sabine)|||/items/afb76b87-7740-4b3d-9c34-8051bd6a20c8, Janssen-Peters, H. (Heike)|||/items/1afa51e2-5698-488c-a15c-4ccdc6378506, Remke, J. (Janet)|||/items/94a9afeb-8615-4ef2-8fab-5ec4b87e29ab, Scherf, K. (Kristian)|||/items/f11c61fe-a5f7-477d-8ab7-03c42b0fb03d, Dangwal, S. (Seema)|||/items/7551716b-ff32-4d80-819a-c3e21b3f1cd8, Piccoli, M.T. (Maria-Teresa)|||/items/f16f01e7-db3f-428c-91ec-d74873ca3647, Kleemiss, F. (Felix)|||/items/e79b7681-1194-4143-9932-7b8842be822d, Kreutzer, F.P. (Fabian Philipp)|||/items/b147d259-b4bb-4888-bca6-2d361089dcb0, Kenneweg, F. (Franziska)|||/items/25fd4ebb-ce36-4e47-995c-91f2e1b9ed90, Leonardy, J. (Julia)|||/items/6f6e8618-8901-407b-bdfe-8d26486a0a4f, Hobuss, L. (Lisa)|||/items/9ea2b6f7-fbfc-4d19-a0fa-8cffd8dd33d0, Santer, L. (Laura)|||/items/a3c367f6-93c7-4ab8-9e2d-1fa08f5f7e30, Do, Q.T. (Quoc-Tuan)|||/items/8dd0ef69-394b-43d7-a17a-c29c61ce1027, Geffers, R. (Robert)|||/items/007f5c8f-ce2d-40ff-b6e4-7659912b33ed, Braesen, J.H. (Jan Hinrich)|||/items/b499fca6-9ca9-45c6-8b56-f7531e7c8043, Schmitz, J. (Jessica)|||/items/ccd4ceeb-611a-4405-8427-1a7a01c1bde3, Brandenberger, C. (Christina)|||/items/565d2c4a-7fea-4e7e-8aa2-f0332717280d, Müller, D.N. (Dominik N.)|||/items/9bbb7bf5-2c89-40ef-8742-22b5759d022c, Wilck, N. (Nicola)|||/items/2b9af0ea-e805-422b-a411-26aed9607e3c, Kaever, V. (Volkhard)|||/items/5e9e0e4f-1d3f-41db-8815-f8d6ef95d608, Bähre, H. (Heike)|||/items/b0975de2-400a-4c5f-8aed-aefef4641e9e, Batkai, S. (Sandor)|||/items/a219d6b4-89a4-4f08-bf5f-55816dec3a22, Fiedler, J. (Jan)|||/items/ef7f7706-d97b-435c-8d15-485034293bea, Alexander, K.M. (Kevin M.)|||/items/ae5ef3ee-e558-46a8-b37f-3832a812e695, Wertheim, B.M. (Bradley M.)|||/items/c4effae0-40c1-47b8-b218-16cede54c3a2, Fisch, S. (Sudeshna)|||/items/3086287b-fe51-43d0-8303-c009187a5853, Liao, R. (Ronglih)|||/items/a9dce0fe-8681-43d5-8dbe-ac02af7531e0, Diez, J. (Javier)|||/items/adeda0be-cebc-4240-899c-ab26f05dea9c, Gonzalez, A. (Arantxa)|||/items/9c64c0f4-66b4-4b51-8593-0e50c091a515, Thum, T. (Thomas)|||/items/c2b8a6be-55a5-4810-afe7-c5b019ebb02a
Tipo de recurso: artículo
Fecha de publicación:2020
País:España
Institución:Universidad de Navarra
Repositorio:Dadun. Depósito Académico Digital de la Universidad de Navarra
Idioma:inglés
OAI Identifier:oai:dadun.unav.edu:10171/67169
Acceso en línea:https://hdl.handle.net/10171/67169
Access Level:acceso abierto
Palabra clave:Diastole
Fibrosis
Hypertension
microRNAs
id ES_2fe3ea47a9dc438ccf490f841ce1193c
oai_identifier_str oai:dadun.unav.edu:10171/67169
network_acronym_str ES
network_name_str España
repository_id_str
dc.title.none.fl_str_mv Natural Compound Library Screening Identifies New Molecules for the Treatment of Cardiac Fibrosis and Diastolic Dysfunction
title Natural Compound Library Screening Identifies New Molecules for the Treatment of Cardiac Fibrosis and Diastolic Dysfunction
spellingShingle Natural Compound Library Screening Identifies New Molecules for the Treatment of Cardiac Fibrosis and Diastolic Dysfunction
Schimmel, K. (Katharina)|||/items/db398c60-e014-48da-843a-880afc77498d
Diastole
Fibrosis
Hypertension
microRNAs
title_short Natural Compound Library Screening Identifies New Molecules for the Treatment of Cardiac Fibrosis and Diastolic Dysfunction
title_full Natural Compound Library Screening Identifies New Molecules for the Treatment of Cardiac Fibrosis and Diastolic Dysfunction
title_fullStr Natural Compound Library Screening Identifies New Molecules for the Treatment of Cardiac Fibrosis and Diastolic Dysfunction
title_full_unstemmed Natural Compound Library Screening Identifies New Molecules for the Treatment of Cardiac Fibrosis and Diastolic Dysfunction
title_sort Natural Compound Library Screening Identifies New Molecules for the Treatment of Cardiac Fibrosis and Diastolic Dysfunction
dc.creator.none.fl_str_mv Schimmel, K. (Katharina)|||/items/db398c60-e014-48da-843a-880afc77498d
Jung, M. (Mira)|||/items/55431b8b-35ee-4dcf-8e5e-8b08e6e2827c
Foinquinos, A. (Ariana)|||/items/2999aa62-73a3-42b7-99b2-c2e69454aef6
San-José-Enériz, G. (Gorka)|||/items/362ac8c3-5d50-4383-9fc1-7abbed048387
Beaumont-Ezcurra, F.J. (Francisco Javier)|||/items/6824d098-1970-4668-9169-8f1f3352e015
Bock, K. (Katharina)|||/items/bc845b4d-826c-4062-b66b-07dc2b56c3f7
Grote-Levi, L. (Lea)|||/items/e7838932-cd4e-4617-bb71-e73c81fa34c4
Xiao, K. (Ke)|||/items/efd36424-9892-4b59-95ac-381ad6f0b49d
Bär, C. (Christian)|||/items/e18d378a-d1b0-49e0-b17c-cbc2446db784
Pfanne, A. (Angelika)|||/items/58cec70d-6f74-48d8-a22d-cceda444fc50
Just, A. (Annette)|||/items/94da7ba3-4871-4557-bb7c-a43777891914
Zimmer, K. (Karina)|||/items/fc6d04ba-cbac-4373-8d36-8d3f9d2c9533
Ngoy, S. (Soeun)|||/items/b56c93cf-229a-4f54-91b6-41c70fad5b2c
Lopez-Salazar, M.B. (María Begoña)|||/items/153e0e37-14b0-403e-afab-8af00c4edde0
Ravassa-Albéniz, S. (Susana)|||/items/df0c1eb3-9f45-4d77-a7a5-aca2bcf425e1
Samolovac, S. (Sabine)|||/items/afb76b87-7740-4b3d-9c34-8051bd6a20c8
Janssen-Peters, H. (Heike)|||/items/1afa51e2-5698-488c-a15c-4ccdc6378506
Remke, J. (Janet)|||/items/94a9afeb-8615-4ef2-8fab-5ec4b87e29ab
Scherf, K. (Kristian)|||/items/f11c61fe-a5f7-477d-8ab7-03c42b0fb03d
Dangwal, S. (Seema)|||/items/7551716b-ff32-4d80-819a-c3e21b3f1cd8
Piccoli, M.T. (Maria-Teresa)|||/items/f16f01e7-db3f-428c-91ec-d74873ca3647
Kleemiss, F. (Felix)|||/items/e79b7681-1194-4143-9932-7b8842be822d
Kreutzer, F.P. (Fabian Philipp)|||/items/b147d259-b4bb-4888-bca6-2d361089dcb0
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Hobuss, L. (Lisa)|||/items/9ea2b6f7-fbfc-4d19-a0fa-8cffd8dd33d0
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Do, Q.T. (Quoc-Tuan)|||/items/8dd0ef69-394b-43d7-a17a-c29c61ce1027
Geffers, R. (Robert)|||/items/007f5c8f-ce2d-40ff-b6e4-7659912b33ed
Braesen, J.H. (Jan Hinrich)|||/items/b499fca6-9ca9-45c6-8b56-f7531e7c8043
Schmitz, J. (Jessica)|||/items/ccd4ceeb-611a-4405-8427-1a7a01c1bde3
Brandenberger, C. (Christina)|||/items/565d2c4a-7fea-4e7e-8aa2-f0332717280d
Müller, D.N. (Dominik N.)|||/items/9bbb7bf5-2c89-40ef-8742-22b5759d022c
Wilck, N. (Nicola)|||/items/2b9af0ea-e805-422b-a411-26aed9607e3c
Kaever, V. (Volkhard)|||/items/5e9e0e4f-1d3f-41db-8815-f8d6ef95d608
Bähre, H. (Heike)|||/items/b0975de2-400a-4c5f-8aed-aefef4641e9e
Batkai, S. (Sandor)|||/items/a219d6b4-89a4-4f08-bf5f-55816dec3a22
Fiedler, J. (Jan)|||/items/ef7f7706-d97b-435c-8d15-485034293bea
Alexander, K.M. (Kevin M.)|||/items/ae5ef3ee-e558-46a8-b37f-3832a812e695
Wertheim, B.M. (Bradley M.)|||/items/c4effae0-40c1-47b8-b218-16cede54c3a2
Fisch, S. (Sudeshna)|||/items/3086287b-fe51-43d0-8303-c009187a5853
Liao, R. (Ronglih)|||/items/a9dce0fe-8681-43d5-8dbe-ac02af7531e0
Diez, J. (Javier)|||/items/adeda0be-cebc-4240-899c-ab26f05dea9c
Gonzalez, A. (Arantxa)|||/items/9c64c0f4-66b4-4b51-8593-0e50c091a515
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author Schimmel, K. (Katharina)|||/items/db398c60-e014-48da-843a-880afc77498d
author_facet Schimmel, K. (Katharina)|||/items/db398c60-e014-48da-843a-880afc77498d
Jung, M. (Mira)|||/items/55431b8b-35ee-4dcf-8e5e-8b08e6e2827c
Foinquinos, A. (Ariana)|||/items/2999aa62-73a3-42b7-99b2-c2e69454aef6
San-José-Enériz, G. (Gorka)|||/items/362ac8c3-5d50-4383-9fc1-7abbed048387
Beaumont-Ezcurra, F.J. (Francisco Javier)|||/items/6824d098-1970-4668-9169-8f1f3352e015
Bock, K. (Katharina)|||/items/bc845b4d-826c-4062-b66b-07dc2b56c3f7
Grote-Levi, L. (Lea)|||/items/e7838932-cd4e-4617-bb71-e73c81fa34c4
Xiao, K. (Ke)|||/items/efd36424-9892-4b59-95ac-381ad6f0b49d
Bär, C. (Christian)|||/items/e18d378a-d1b0-49e0-b17c-cbc2446db784
Pfanne, A. (Angelika)|||/items/58cec70d-6f74-48d8-a22d-cceda444fc50
Just, A. (Annette)|||/items/94da7ba3-4871-4557-bb7c-a43777891914
Zimmer, K. (Karina)|||/items/fc6d04ba-cbac-4373-8d36-8d3f9d2c9533
Ngoy, S. (Soeun)|||/items/b56c93cf-229a-4f54-91b6-41c70fad5b2c
Lopez-Salazar, M.B. (María Begoña)|||/items/153e0e37-14b0-403e-afab-8af00c4edde0
Ravassa-Albéniz, S. (Susana)|||/items/df0c1eb3-9f45-4d77-a7a5-aca2bcf425e1
Samolovac, S. (Sabine)|||/items/afb76b87-7740-4b3d-9c34-8051bd6a20c8
Janssen-Peters, H. (Heike)|||/items/1afa51e2-5698-488c-a15c-4ccdc6378506
Remke, J. (Janet)|||/items/94a9afeb-8615-4ef2-8fab-5ec4b87e29ab
Scherf, K. (Kristian)|||/items/f11c61fe-a5f7-477d-8ab7-03c42b0fb03d
Dangwal, S. (Seema)|||/items/7551716b-ff32-4d80-819a-c3e21b3f1cd8
Piccoli, M.T. (Maria-Teresa)|||/items/f16f01e7-db3f-428c-91ec-d74873ca3647
Kleemiss, F. (Felix)|||/items/e79b7681-1194-4143-9932-7b8842be822d
Kreutzer, F.P. (Fabian Philipp)|||/items/b147d259-b4bb-4888-bca6-2d361089dcb0
Kenneweg, F. (Franziska)|||/items/25fd4ebb-ce36-4e47-995c-91f2e1b9ed90
Leonardy, J. (Julia)|||/items/6f6e8618-8901-407b-bdfe-8d26486a0a4f
Hobuss, L. (Lisa)|||/items/9ea2b6f7-fbfc-4d19-a0fa-8cffd8dd33d0
Santer, L. (Laura)|||/items/a3c367f6-93c7-4ab8-9e2d-1fa08f5f7e30
Do, Q.T. (Quoc-Tuan)|||/items/8dd0ef69-394b-43d7-a17a-c29c61ce1027
Geffers, R. (Robert)|||/items/007f5c8f-ce2d-40ff-b6e4-7659912b33ed
Braesen, J.H. (Jan Hinrich)|||/items/b499fca6-9ca9-45c6-8b56-f7531e7c8043
Schmitz, J. (Jessica)|||/items/ccd4ceeb-611a-4405-8427-1a7a01c1bde3
Brandenberger, C. (Christina)|||/items/565d2c4a-7fea-4e7e-8aa2-f0332717280d
Müller, D.N. (Dominik N.)|||/items/9bbb7bf5-2c89-40ef-8742-22b5759d022c
Wilck, N. (Nicola)|||/items/2b9af0ea-e805-422b-a411-26aed9607e3c
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Fisch, S. (Sudeshna)|||/items/3086287b-fe51-43d0-8303-c009187a5853
Liao, R. (Ronglih)|||/items/a9dce0fe-8681-43d5-8dbe-ac02af7531e0
Diez, J. (Javier)|||/items/adeda0be-cebc-4240-899c-ab26f05dea9c
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Thum, T. (Thomas)|||/items/c2b8a6be-55a5-4810-afe7-c5b019ebb02a
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Foinquinos, A. (Ariana)|||/items/2999aa62-73a3-42b7-99b2-c2e69454aef6
San-José-Enériz, G. (Gorka)|||/items/362ac8c3-5d50-4383-9fc1-7abbed048387
Beaumont-Ezcurra, F.J. (Francisco Javier)|||/items/6824d098-1970-4668-9169-8f1f3352e015
Bock, K. (Katharina)|||/items/bc845b4d-826c-4062-b66b-07dc2b56c3f7
Grote-Levi, L. (Lea)|||/items/e7838932-cd4e-4617-bb71-e73c81fa34c4
Xiao, K. (Ke)|||/items/efd36424-9892-4b59-95ac-381ad6f0b49d
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Pfanne, A. (Angelika)|||/items/58cec70d-6f74-48d8-a22d-cceda444fc50
Just, A. (Annette)|||/items/94da7ba3-4871-4557-bb7c-a43777891914
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Ngoy, S. (Soeun)|||/items/b56c93cf-229a-4f54-91b6-41c70fad5b2c
Lopez-Salazar, M.B. (María Begoña)|||/items/153e0e37-14b0-403e-afab-8af00c4edde0
Ravassa-Albéniz, S. (Susana)|||/items/df0c1eb3-9f45-4d77-a7a5-aca2bcf425e1
Samolovac, S. (Sabine)|||/items/afb76b87-7740-4b3d-9c34-8051bd6a20c8
Janssen-Peters, H. (Heike)|||/items/1afa51e2-5698-488c-a15c-4ccdc6378506
Remke, J. (Janet)|||/items/94a9afeb-8615-4ef2-8fab-5ec4b87e29ab
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Thum, T. (Thomas)|||/items/c2b8a6be-55a5-4810-afe7-c5b019ebb02a
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dc.contributor.none.fl_str_mv Dadun. Depósito Académico Digital Universidad de Navarra
dc.subject.none.fl_str_mv Diastole
Fibrosis
Hypertension
microRNAs
topic Diastole
Fibrosis
Hypertension
microRNAs
description BACKGROUND: Myocardial fibrosis is a hallmark of cardiac remodeling and functionally involved in heart failure development, a leading cause of deaths worldwide. Clinically, no therapeutic strategy is available that specifically attenuates maladaptive responses of cardiac fibroblasts, the effector cells of fibrosis in the heart. Therefore, our aim was to develop novel antifibrotic therapeutics based on naturally derived substance library screens for the treatment of cardiac fibrosis. METHODS: Antifibrotic drug candidates were identified by functional screening of 480 chemically diverse natural compounds in primary human cardiac fibroblasts, subsequent validation, and mechanistic in vitro and in vivo studies. Hits were analyzed for dose-dependent inhibition of proliferation of human cardiac fibroblasts, modulation of apoptosis, and extracellular matrix expression. In vitro findings were confirmed in vivo with an angiotensin II–mediated murine model of cardiac fibrosis in both preventive and therapeutic settings, as well as in the Dahl salt-sensitive rat model. To investigate the mechanism underlying the antifibrotic potential of the lead compounds, treatment-dependent changes in the noncoding RNAome in primary human cardiac fibroblasts were analyzed by RNA deep sequencing. RESULTS: High-throughput natural compound library screening identified 15 substances with antiproliferative effects in human cardiac fibroblasts. Using multiple in vitro fibrosis assays and stringent selection algorithms, we identified the steroid bufalin (from Chinese toad venom) and the alkaloid lycorine (from Amaryllidaceae species) to be effective antifibrotic molecules both in vitro and in vivo, leading to improvement in diastolic function in 2 hypertension-dependent rodent models of cardiac fibrosis. Administration at effective doses did not change plasma damage markers or the morphology of kidney and liver, providing the first toxicological safety data. Using next-generation sequencing, we identified the conserved microRNA 671-5p and downstream the antifibrotic selenoprotein P1 as common effectors of the antifibrotic compounds. CONCLUSIONS: We identified the molecules bufalin and lycorine as drug candidates for therapeutic applications in cardiac fibrosis and diastolic dysfunction.
publishDate 2020
dc.date.none.fl_str_mv 2020
2020-01-01
2020
2020-01-01
2023
2023-08-25
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/10171/67169
url https://hdl.handle.net/10171/67169
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Dadun. Depósito Académico Digital de la Universidad de Navarra
instname:Universidad de Navarra
instname_str Universidad de Navarra
reponame_str Dadun. Depósito Académico Digital de la Universidad de Navarra
collection Dadun. Depósito Académico Digital de la Universidad de Navarra
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869405508169891840
spelling Natural Compound Library Screening Identifies New Molecules for the Treatment of Cardiac Fibrosis and Diastolic DysfunctionSchimmel, K. (Katharina)|||/items/db398c60-e014-48da-843a-880afc77498dJung, M. (Mira)|||/items/55431b8b-35ee-4dcf-8e5e-8b08e6e2827cFoinquinos, A. (Ariana)|||/items/2999aa62-73a3-42b7-99b2-c2e69454aef6San-José-Enériz, G. (Gorka)|||/items/362ac8c3-5d50-4383-9fc1-7abbed048387Beaumont-Ezcurra, F.J. (Francisco Javier)|||/items/6824d098-1970-4668-9169-8f1f3352e015Bock, K. (Katharina)|||/items/bc845b4d-826c-4062-b66b-07dc2b56c3f7Grote-Levi, L. (Lea)|||/items/e7838932-cd4e-4617-bb71-e73c81fa34c4Xiao, K. (Ke)|||/items/efd36424-9892-4b59-95ac-381ad6f0b49dBär, C. (Christian)|||/items/e18d378a-d1b0-49e0-b17c-cbc2446db784Pfanne, A. (Angelika)|||/items/58cec70d-6f74-48d8-a22d-cceda444fc50Just, A. (Annette)|||/items/94da7ba3-4871-4557-bb7c-a43777891914Zimmer, K. (Karina)|||/items/fc6d04ba-cbac-4373-8d36-8d3f9d2c9533Ngoy, S. (Soeun)|||/items/b56c93cf-229a-4f54-91b6-41c70fad5b2cLopez-Salazar, M.B. (María Begoña)|||/items/153e0e37-14b0-403e-afab-8af00c4edde0Ravassa-Albéniz, S. (Susana)|||/items/df0c1eb3-9f45-4d77-a7a5-aca2bcf425e1Samolovac, S. (Sabine)|||/items/afb76b87-7740-4b3d-9c34-8051bd6a20c8Janssen-Peters, H. (Heike)|||/items/1afa51e2-5698-488c-a15c-4ccdc6378506Remke, J. (Janet)|||/items/94a9afeb-8615-4ef2-8fab-5ec4b87e29abScherf, K. (Kristian)|||/items/f11c61fe-a5f7-477d-8ab7-03c42b0fb03dDangwal, S. (Seema)|||/items/7551716b-ff32-4d80-819a-c3e21b3f1cd8Piccoli, M.T. (Maria-Teresa)|||/items/f16f01e7-db3f-428c-91ec-d74873ca3647Kleemiss, F. (Felix)|||/items/e79b7681-1194-4143-9932-7b8842be822dKreutzer, F.P. (Fabian Philipp)|||/items/b147d259-b4bb-4888-bca6-2d361089dcb0Kenneweg, F. (Franziska)|||/items/25fd4ebb-ce36-4e47-995c-91f2e1b9ed90Leonardy, J. (Julia)|||/items/6f6e8618-8901-407b-bdfe-8d26486a0a4fHobuss, L. (Lisa)|||/items/9ea2b6f7-fbfc-4d19-a0fa-8cffd8dd33d0Santer, L. (Laura)|||/items/a3c367f6-93c7-4ab8-9e2d-1fa08f5f7e30Do, Q.T. (Quoc-Tuan)|||/items/8dd0ef69-394b-43d7-a17a-c29c61ce1027Geffers, R. (Robert)|||/items/007f5c8f-ce2d-40ff-b6e4-7659912b33edBraesen, J.H. (Jan Hinrich)|||/items/b499fca6-9ca9-45c6-8b56-f7531e7c8043Schmitz, J. (Jessica)|||/items/ccd4ceeb-611a-4405-8427-1a7a01c1bde3Brandenberger, C. (Christina)|||/items/565d2c4a-7fea-4e7e-8aa2-f0332717280dMüller, D.N. (Dominik N.)|||/items/9bbb7bf5-2c89-40ef-8742-22b5759d022cWilck, N. (Nicola)|||/items/2b9af0ea-e805-422b-a411-26aed9607e3cKaever, V. (Volkhard)|||/items/5e9e0e4f-1d3f-41db-8815-f8d6ef95d608Bähre, H. (Heike)|||/items/b0975de2-400a-4c5f-8aed-aefef4641e9eBatkai, S. (Sandor)|||/items/a219d6b4-89a4-4f08-bf5f-55816dec3a22Fiedler, J. (Jan)|||/items/ef7f7706-d97b-435c-8d15-485034293beaAlexander, K.M. (Kevin M.)|||/items/ae5ef3ee-e558-46a8-b37f-3832a812e695Wertheim, B.M. (Bradley M.)|||/items/c4effae0-40c1-47b8-b218-16cede54c3a2Fisch, S. (Sudeshna)|||/items/3086287b-fe51-43d0-8303-c009187a5853Liao, R. (Ronglih)|||/items/a9dce0fe-8681-43d5-8dbe-ac02af7531e0Diez, J. (Javier)|||/items/adeda0be-cebc-4240-899c-ab26f05dea9cGonzalez, A. (Arantxa)|||/items/9c64c0f4-66b4-4b51-8593-0e50c091a515Thum, T. (Thomas)|||/items/c2b8a6be-55a5-4810-afe7-c5b019ebb02aDiastoleFibrosisHypertensionmicroRNAsBACKGROUND: Myocardial fibrosis is a hallmark of cardiac remodeling and functionally involved in heart failure development, a leading cause of deaths worldwide. Clinically, no therapeutic strategy is available that specifically attenuates maladaptive responses of cardiac fibroblasts, the effector cells of fibrosis in the heart. Therefore, our aim was to develop novel antifibrotic therapeutics based on naturally derived substance library screens for the treatment of cardiac fibrosis. METHODS: Antifibrotic drug candidates were identified by functional screening of 480 chemically diverse natural compounds in primary human cardiac fibroblasts, subsequent validation, and mechanistic in vitro and in vivo studies. Hits were analyzed for dose-dependent inhibition of proliferation of human cardiac fibroblasts, modulation of apoptosis, and extracellular matrix expression. In vitro findings were confirmed in vivo with an angiotensin II–mediated murine model of cardiac fibrosis in both preventive and therapeutic settings, as well as in the Dahl salt-sensitive rat model. To investigate the mechanism underlying the antifibrotic potential of the lead compounds, treatment-dependent changes in the noncoding RNAome in primary human cardiac fibroblasts were analyzed by RNA deep sequencing. RESULTS: High-throughput natural compound library screening identified 15 substances with antiproliferative effects in human cardiac fibroblasts. Using multiple in vitro fibrosis assays and stringent selection algorithms, we identified the steroid bufalin (from Chinese toad venom) and the alkaloid lycorine (from Amaryllidaceae species) to be effective antifibrotic molecules both in vitro and in vivo, leading to improvement in diastolic function in 2 hypertension-dependent rodent models of cardiac fibrosis. Administration at effective doses did not change plasma damage markers or the morphology of kidney and liver, providing the first toxicological safety data. Using next-generation sequencing, we identified the conserved microRNA 671-5p and downstream the antifibrotic selenoprotein P1 as common effectors of the antifibrotic compounds. CONCLUSIONS: We identified the molecules bufalin and lycorine as drug candidates for therapeutic applications in cardiac fibrosis and diastolic dysfunction.Dadun. Depósito Académico Digital Universidad de Navarra20232023-08-2520202020-01-0120202020-01-01journal articlehttp://purl.org/coar/resource_type/c_6501info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/10171/67169reponame:Dadun. Depósito Académico Digital de la Universidad de Navarrainstname:Universidad de NavarraInglésengopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:dadun.unav.edu:10171/671692026-06-21T12:47:57Z
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