Inhibition of Heat Shock Protein 90β by Catalpol: A Potential Therapeutic Approach for Alleviating Inflammation‐Induced Cartilage Injuries in Osteoarthritis

Abstract Osteoarthritis (OA) is a degenerative joint disease characterized by the metabolic dysfunction of chondrocytes. A promising therapeutic strategy for OA involves suppressing the catabolism of the chondrocyte and promoting its anabolism to restore joint homeostasis. Here, it is demonstrated t...

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Main Authors: Zhenwei Zhou, Binghua Zhang, Lang Liu, Jie Yang, Yuting Wang, Cheng Lv, He Zhang, Yuchi Wei, Zhanliang Jiang, Zeyu Peng, Daqing Zhao, Xiangyang Leng, Xiangyan Li, Hang Su, Haisi Dong
Format: Article
Language:English
Published: Wiley 2025-07-01
Series:Advanced Science
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Online Access:https://doi.org/10.1002/advs.202503909
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author Zhenwei Zhou
Binghua Zhang
Lang Liu
Jie Yang
Yuting Wang
Cheng Lv
He Zhang
Yuchi Wei
Zhanliang Jiang
Zeyu Peng
Daqing Zhao
Xiangyang Leng
Xiangyan Li
Hang Su
Haisi Dong
author_facet Zhenwei Zhou
Binghua Zhang
Lang Liu
Jie Yang
Yuting Wang
Cheng Lv
He Zhang
Yuchi Wei
Zhanliang Jiang
Zeyu Peng
Daqing Zhao
Xiangyang Leng
Xiangyan Li
Hang Su
Haisi Dong
author_sort Zhenwei Zhou
collection DOAJ
description Abstract Osteoarthritis (OA) is a degenerative joint disease characterized by the metabolic dysfunction of chondrocytes. A promising therapeutic strategy for OA involves suppressing the catabolism of the chondrocyte and promoting its anabolism to restore joint homeostasis. Here, it is demonstrated that Catalpol, a natural compound, can promote chondrocyte anabolic and proliferation, while inhibiting the catabolic activities and oxidative stress, thereby maintaining the dynamic balance of the extracellular matrix and alleviating inflammation‐induced cartilage damage. Mechanistically, it has been discovered that Catalpol acts as a direct inhibitor of heat shock protein 90β (Hsp90β), and the amino acids ASP88, THR179, ASP49, and ASN46 of N‐terminal domain‐Hsp90β are confirmed as the binding sites for Catalpol. Knockdown of Hsp90β in primary chondrocytes demonstrates a similar biological effect as Catalpol treatment. Moreover, to develop a nanoparticle‐based interventional platform for OA management, biodegradable mesoporous silica nanoparticles (bMSN) are prepared to load Catalpol (Ca‐bMSN). The engineered Ca‐bMSN is able to penetrate into the chondrocytes, prolong retention in the joint space, and mitigate OA progression. These findings shed light on a potential mechanism by which Catalpol modulates chondrocyte metabolism, offering a promising therapeutic strategy for OA treatment.
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spelling doaj-art-11fe4cc7ab0945b4b1b8cb0cc723d6f02025-08-20T03:04:57ZengWileyAdvanced Science2198-38442025-07-011226n/an/a10.1002/advs.202503909Inhibition of Heat Shock Protein 90β by Catalpol: A Potential Therapeutic Approach for Alleviating Inflammation‐Induced Cartilage Injuries in OsteoarthritisZhenwei Zhou0Binghua Zhang1Lang Liu2Jie Yang3Yuting Wang4Cheng Lv5He Zhang6Yuchi Wei7Zhanliang Jiang8Zeyu Peng9Daqing Zhao10Xiangyang Leng11Xiangyan Li12Hang Su13Haisi Dong14Affiliated Hospital of Changchun University of Traditional Chinese Medicine Changchun University of Chinese Medicine Changchun Jilin Province 130000 ChinaCollege of Traditional Chinese Medicine Changchun University of Chinese Medicine Changchun Jilin Province 130000 ChinaCollege of Traditional Chinese Medicine Changchun University of Chinese Medicine Changchun Jilin Province 130000 ChinaCollege of Traditional Chinese Medicine Changchun University of Chinese Medicine Changchun Jilin Province 130000 ChinaAffiliated Hospital of Changchun University of Traditional Chinese Medicine Changchun University of Chinese Medicine Changchun Jilin Province 130000 ChinaAffiliated Hospital of Changchun University of Traditional Chinese Medicine Changchun University of Chinese Medicine Changchun Jilin Province 130000 ChinaAffiliated Hospital of Changchun University of Traditional Chinese Medicine Changchun University of Chinese Medicine Changchun Jilin Province 130000 ChinaCollege of Traditional Chinese Medicine Changchun University of Chinese Medicine Changchun Jilin Province 130000 ChinaCollege of Traditional Chinese Medicine Changchun University of Chinese Medicine Changchun Jilin Province 130000 ChinaCollege of Traditional Chinese Medicine Changchun University of Chinese Medicine Changchun Jilin Province 130000 ChinaAffiliated Hospital of Changchun University of Traditional Chinese Medicine Changchun University of Chinese Medicine Changchun Jilin Province 130000 ChinaCollege of Traditional Chinese Medicine Changchun University of Chinese Medicine Changchun Jilin Province 130000 ChinaAffiliated Hospital of Changchun University of Traditional Chinese Medicine Changchun University of Chinese Medicine Changchun Jilin Province 130000 ChinaAffiliated Hospital of Changchun University of Traditional Chinese Medicine Changchun University of Chinese Medicine Changchun Jilin Province 130000 ChinaAffiliated Hospital of Changchun University of Traditional Chinese Medicine Changchun University of Chinese Medicine Changchun Jilin Province 130000 ChinaAbstract Osteoarthritis (OA) is a degenerative joint disease characterized by the metabolic dysfunction of chondrocytes. A promising therapeutic strategy for OA involves suppressing the catabolism of the chondrocyte and promoting its anabolism to restore joint homeostasis. Here, it is demonstrated that Catalpol, a natural compound, can promote chondrocyte anabolic and proliferation, while inhibiting the catabolic activities and oxidative stress, thereby maintaining the dynamic balance of the extracellular matrix and alleviating inflammation‐induced cartilage damage. Mechanistically, it has been discovered that Catalpol acts as a direct inhibitor of heat shock protein 90β (Hsp90β), and the amino acids ASP88, THR179, ASP49, and ASN46 of N‐terminal domain‐Hsp90β are confirmed as the binding sites for Catalpol. Knockdown of Hsp90β in primary chondrocytes demonstrates a similar biological effect as Catalpol treatment. Moreover, to develop a nanoparticle‐based interventional platform for OA management, biodegradable mesoporous silica nanoparticles (bMSN) are prepared to load Catalpol (Ca‐bMSN). The engineered Ca‐bMSN is able to penetrate into the chondrocytes, prolong retention in the joint space, and mitigate OA progression. These findings shed light on a potential mechanism by which Catalpol modulates chondrocyte metabolism, offering a promising therapeutic strategy for OA treatment.https://doi.org/10.1002/advs.202503909bMSNCatalpolchondrocyte metabolismHsp90βosteoarthritis
spellingShingle Zhenwei Zhou
Binghua Zhang
Lang Liu
Jie Yang
Yuting Wang
Cheng Lv
He Zhang
Yuchi Wei
Zhanliang Jiang
Zeyu Peng
Daqing Zhao
Xiangyang Leng
Xiangyan Li
Hang Su
Haisi Dong
Inhibition of Heat Shock Protein 90β by Catalpol: A Potential Therapeutic Approach for Alleviating Inflammation‐Induced Cartilage Injuries in Osteoarthritis
Advanced Science
bMSN
Catalpol
chondrocyte metabolism
Hsp90β
osteoarthritis
title Inhibition of Heat Shock Protein 90β by Catalpol: A Potential Therapeutic Approach for Alleviating Inflammation‐Induced Cartilage Injuries in Osteoarthritis
title_full Inhibition of Heat Shock Protein 90β by Catalpol: A Potential Therapeutic Approach for Alleviating Inflammation‐Induced Cartilage Injuries in Osteoarthritis
title_fullStr Inhibition of Heat Shock Protein 90β by Catalpol: A Potential Therapeutic Approach for Alleviating Inflammation‐Induced Cartilage Injuries in Osteoarthritis
title_full_unstemmed Inhibition of Heat Shock Protein 90β by Catalpol: A Potential Therapeutic Approach for Alleviating Inflammation‐Induced Cartilage Injuries in Osteoarthritis
title_short Inhibition of Heat Shock Protein 90β by Catalpol: A Potential Therapeutic Approach for Alleviating Inflammation‐Induced Cartilage Injuries in Osteoarthritis
title_sort inhibition of heat shock protein 90β by catalpol a potential therapeutic approach for alleviating inflammation induced cartilage injuries in osteoarthritis
topic bMSN
Catalpol
chondrocyte metabolism
Hsp90β
osteoarthritis
url https://doi.org/10.1002/advs.202503909
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