Endoplasmic Reticulum Chemical Chaperone 3‐Hydroxy‐2‐Naphthoic Acid Reduces Angiotensin II‐Induced Vascular Remodeling and Hypertension In Vivo and Protein Synthesis In Vitro

Background Investigations into alternative treatments for hypertension are necessary because current treatments cannot fully reduce the risk for the development of cardiovascular diseases. Chronic activation of unfolded protein response attributable to the endoplasmic reticulum stress has been propo...

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Main Authors: Stephanie Cicalese, Keiichi Torimoto, Keisuke Okuno, Katherine J. Elliott, Victor Rizzo, Tomoki Hashimoto, Satoru Eguchi
Format: Article
Language:English
Published: Wiley 2022-12-01
Series:Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
Subjects:
Online Access:https://www.ahajournals.org/doi/10.1161/JAHA.122.028201
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author Stephanie Cicalese
Keiichi Torimoto
Keisuke Okuno
Katherine J. Elliott
Victor Rizzo
Tomoki Hashimoto
Satoru Eguchi
author_facet Stephanie Cicalese
Keiichi Torimoto
Keisuke Okuno
Katherine J. Elliott
Victor Rizzo
Tomoki Hashimoto
Satoru Eguchi
author_sort Stephanie Cicalese
collection DOAJ
description Background Investigations into alternative treatments for hypertension are necessary because current treatments cannot fully reduce the risk for the development of cardiovascular diseases. Chronic activation of unfolded protein response attributable to the endoplasmic reticulum stress has been proposed as a potential therapeutic target for hypertension and associated vascular remodeling. Triggered by the accumulation of misfolded proteins, chronic unfolded protein response leads to downstream signaling of cellular inflammation and dysfunction. Here, we have tested our hypothesis that a novel chemical chaperone, 3‐hydroxy‐2‐naphthoic acid (3HNA) can attenuate angiotensin II (AngII)‐induced vascular remodeling and hypertension. Methods and Results Mice were infused with AngII for 2 weeks to induce vascular remodeling and hypertension with or without 3HNA treatment. We found that injections of 3HNA prevented hypertension and increase in heart weight body weight ratio induced by AngII infusion. Histological assessment revealed that 3HNA treatment prevented vascular medial thickening as well as perivascular fibrosis in response to AngII infusion. In cultured vascular smooth muscle cells, 3HNA attenuated enhancement in protein synthesis induced by AngII. In vascular adventitial fibroblasts, 3HNA prevented induction of unfolded protein response markers. Conclusions We present evidence that a chemical chaperone 3HNA prevents vascular remodeling and hypertension in mice with AngII infusion, and 3HNA further prevents increase in protein synthesis in AngII‐stimulated vascular smooth muscle cells. Using 3HNA may represent a novel therapy for hypertension with multiple benefits by preserving protein homeostasis under cardiovascular stress.
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spelling doaj.art-d42bb8540a894e0c872e03e94b55db182023-02-07T16:03:22ZengWileyJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease2047-99802022-12-01112310.1161/JAHA.122.028201Endoplasmic Reticulum Chemical Chaperone 3‐Hydroxy‐2‐Naphthoic Acid Reduces Angiotensin II‐Induced Vascular Remodeling and Hypertension In Vivo and Protein Synthesis In VitroStephanie Cicalese0Keiichi Torimoto1Keisuke Okuno2Katherine J. Elliott3Victor Rizzo4Tomoki Hashimoto5Satoru Eguchi6Cardiovascular Research Center Lewis Katz School of Medicine at Temple University Philadelphia PACardiovascular Research Center Lewis Katz School of Medicine at Temple University Philadelphia PACardiovascular Research Center Lewis Katz School of Medicine at Temple University Philadelphia PACardiovascular Research Center Lewis Katz School of Medicine at Temple University Philadelphia PACardiovascular Research Center Lewis Katz School of Medicine at Temple University Philadelphia PABarrow Aneurysm and AVM Research Center, Departments of Neurosurgery and Neurobiology Barrow Neurological Institute Phoenix AZCardiovascular Research Center Lewis Katz School of Medicine at Temple University Philadelphia PABackground Investigations into alternative treatments for hypertension are necessary because current treatments cannot fully reduce the risk for the development of cardiovascular diseases. Chronic activation of unfolded protein response attributable to the endoplasmic reticulum stress has been proposed as a potential therapeutic target for hypertension and associated vascular remodeling. Triggered by the accumulation of misfolded proteins, chronic unfolded protein response leads to downstream signaling of cellular inflammation and dysfunction. Here, we have tested our hypothesis that a novel chemical chaperone, 3‐hydroxy‐2‐naphthoic acid (3HNA) can attenuate angiotensin II (AngII)‐induced vascular remodeling and hypertension. Methods and Results Mice were infused with AngII for 2 weeks to induce vascular remodeling and hypertension with or without 3HNA treatment. We found that injections of 3HNA prevented hypertension and increase in heart weight body weight ratio induced by AngII infusion. Histological assessment revealed that 3HNA treatment prevented vascular medial thickening as well as perivascular fibrosis in response to AngII infusion. In cultured vascular smooth muscle cells, 3HNA attenuated enhancement in protein synthesis induced by AngII. In vascular adventitial fibroblasts, 3HNA prevented induction of unfolded protein response markers. Conclusions We present evidence that a chemical chaperone 3HNA prevents vascular remodeling and hypertension in mice with AngII infusion, and 3HNA further prevents increase in protein synthesis in AngII‐stimulated vascular smooth muscle cells. Using 3HNA may represent a novel therapy for hypertension with multiple benefits by preserving protein homeostasis under cardiovascular stress.https://www.ahajournals.org/doi/10.1161/JAHA.122.028201angiotensin IIER stresshypertensionvascular fibrosis
spellingShingle Stephanie Cicalese
Keiichi Torimoto
Keisuke Okuno
Katherine J. Elliott
Victor Rizzo
Tomoki Hashimoto
Satoru Eguchi
Endoplasmic Reticulum Chemical Chaperone 3‐Hydroxy‐2‐Naphthoic Acid Reduces Angiotensin II‐Induced Vascular Remodeling and Hypertension In Vivo and Protein Synthesis In Vitro
Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
angiotensin II
ER stress
hypertension
vascular fibrosis
title Endoplasmic Reticulum Chemical Chaperone 3‐Hydroxy‐2‐Naphthoic Acid Reduces Angiotensin II‐Induced Vascular Remodeling and Hypertension In Vivo and Protein Synthesis In Vitro
title_full Endoplasmic Reticulum Chemical Chaperone 3‐Hydroxy‐2‐Naphthoic Acid Reduces Angiotensin II‐Induced Vascular Remodeling and Hypertension In Vivo and Protein Synthesis In Vitro
title_fullStr Endoplasmic Reticulum Chemical Chaperone 3‐Hydroxy‐2‐Naphthoic Acid Reduces Angiotensin II‐Induced Vascular Remodeling and Hypertension In Vivo and Protein Synthesis In Vitro
title_full_unstemmed Endoplasmic Reticulum Chemical Chaperone 3‐Hydroxy‐2‐Naphthoic Acid Reduces Angiotensin II‐Induced Vascular Remodeling and Hypertension In Vivo and Protein Synthesis In Vitro
title_short Endoplasmic Reticulum Chemical Chaperone 3‐Hydroxy‐2‐Naphthoic Acid Reduces Angiotensin II‐Induced Vascular Remodeling and Hypertension In Vivo and Protein Synthesis In Vitro
title_sort endoplasmic reticulum chemical chaperone 3 hydroxy 2 naphthoic acid reduces angiotensin ii induced vascular remodeling and hypertension in vivo and protein synthesis in vitro
topic angiotensin II
ER stress
hypertension
vascular fibrosis
url https://www.ahajournals.org/doi/10.1161/JAHA.122.028201
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