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Ali MA, Khan N, Ali A, Akram H, Zafar N, Imran K, Khan T, Khan K, Armaghan M, Palma‐Morales M, Rodríguez‐Pérez C, Caunii A, Butnariu M, Habtemariam S, Sharifi‐Rad J. Oridonin from Rabdosia rubescens: An emerging potential in cancer therapy - A comprehensive review. Food Sci Nutr 2024; 12:3046-3067. [PMID: 38726411 PMCID: PMC11077219 DOI: 10.1002/fsn3.3986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 01/11/2024] [Accepted: 01/15/2024] [Indexed: 05/12/2024] Open
Abstract
Cancer incidences are rising each year. In 2020, approximately 20 million new cancer cases and 10 million cancer-related deaths were recorded. The World Health Organization (WHO) predicts that by 2024 the incidence of cancer will increase to 30.2 million individuals annually. Considering the invasive characteristics of its diagnostic procedures and therapeutic methods side effects, scientists are searching for different solutions, including using plant-derived bioactive compounds, that could reduce the probability of cancer occurrence and make its treatment more comfortable. In this regard, oridonin (ORI), an ent-kaurane diterpenoid, naturally found in the leaves of Rabdosia rubescens species, has been found to have antitumor, antiangiogenesis, antiasthmatic, antiinflammatory, and apoptosis induction properties. Extensive research has been performed on ORI to find various mechanisms involved in its anticancer activities. This review article provides an overview of ORI's effectiveness on murine and human cancer populations from 1976 to 2022 and provides insight into the future application of ORI in different cancer therapies.
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Affiliation(s)
| | - Noohela Khan
- Department of Nutrition SciencesRashid Latif Medical CollegeLahorePakistan
| | - Ahmad Ali
- Department of Food Science and Human NutritionUVASLahorePakistan
| | - Hira Akram
- Department of Food Science and Human NutritionUVASLahorePakistan
| | - Noushaba Zafar
- Department of Food Science and Human NutritionUVASLahorePakistan
| | - Kinza Imran
- Department of Food Science and Human NutritionUVASLahorePakistan
| | - Tooba Khan
- Department of Healthcare Biotechnology, Atta‐ur‐Rahman School of Applied BiosciencesNational University of Sciences and TechnologyIslamabadPakistan
| | | | - Muhammad Armaghan
- Department of Healthcare Biotechnology, Atta‐ur‐Rahman School of Applied BiosciencesNational University of Sciences and TechnologyIslamabadPakistan
| | - Marta Palma‐Morales
- Departamento de Nutrición y Bromatología, Facultad de FarmaciaUniversidad de GranadaGranadaSpain
- Instituto de Nutrición y Tecnología de los Alimentos ‘José Mataix’Universidad de GranadaGranadaSpain
| | - Celia Rodríguez‐Pérez
- Departamento de Nutrición y Bromatología, Facultad de FarmaciaUniversidad de GranadaGranadaSpain
- Instituto de Nutrición y Tecnología de los Alimentos ‘José Mataix’Universidad de GranadaGranadaSpain
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA)GranadaSpain
| | - Angela Caunii
- “Victor Babes” University of Medicine and PharmacyTimisoaraRomania
| | - Monica Butnariu
- University of Life Sciences "King Mihai I" from TimisoaraTimisoaraRomania
| | - Solomon Habtemariam
- Pharmacognosy Research & Herbal Analysis Services UKUniversity of GreenwichKentUK
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Zhao P, Li H, Bu W. A Forward Vision for Chemodynamic Therapy: Issues and Opportunities. Angew Chem Int Ed Engl 2023; 62:e202210415. [PMID: 36650984 DOI: 10.1002/anie.202210415] [Citation(s) in RCA: 47] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Indexed: 01/19/2023]
Abstract
Since the insight to fuse Fenton chemistry and nanomedicine into cancer therapy, great signs of progress have been made in the field of chemodynamic therapy (CDT). However, the exact mechanism of CDT is obscured by the unique tumor chemical environment and inevitable nanoparticle-cell interactions, thus impeding further development. In this Scientific Perspective, the significance of CDT is clarified, the complex mechanism is deconstructed into primitive chemical and biological interactions, and the mechanism research directions based on the chemical kinetics and biological signaling pathways are discussed in detail. Moreover, beneficial outlooks are presented to enlighten the evolution of next-generation CDT. Hopefully, this Scientific Perspective can inspire new ideas and advances for CDT and provide a reference for breaking down the interdisciplinary barriers in the field of nanomedicine.
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Affiliation(s)
- Peiran Zhao
- Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200433, P.R. China
| | - Huiyan Li
- Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200433, P.R. China
| | - Wenbo Bu
- Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200433, P.R. China
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3
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Zhao P, Li H, Bu W. A Forward Vision for Chemodynamic Therapy: Issues and Opportunities. Angew Chem Int Ed Engl 2023. [DOI: 10.1002/ange.202210415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Peiran Zhao
- Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers Fudan University Shanghai 200433 P.R. China
| | - Huiyan Li
- Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers Fudan University Shanghai 200433 P.R. China
| | - Wenbo Bu
- Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers Fudan University Shanghai 200433 P.R. China
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4
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Lei Y, Huang Y, Wen X, Yin Z, Zhang Z, Klionsky DJ. How Cells Deal with the Fluctuating Environment: Autophagy Regulation under Stress in Yeast and Mammalian Systems. Antioxidants (Basel) 2022; 11:antiox11020304. [PMID: 35204187 PMCID: PMC8868404 DOI: 10.3390/antiox11020304] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 01/28/2022] [Accepted: 01/31/2022] [Indexed: 12/04/2022] Open
Abstract
Eukaryotic cells frequently experience fluctuations of the external and internal environments, such as changes in nutrient, energy and oxygen sources, and protein folding status, which, after reaching a particular threshold, become a type of stress. Cells develop several ways to deal with these various types of stress to maintain homeostasis and survival. Among the cellular survival mechanisms, autophagy is one of the most critical ways to mediate metabolic adaptation and clearance of damaged organelles. Autophagy is maintained at a basal level under normal growing conditions and gets stimulated by stress through different but connected mechanisms. In this review, we summarize the advances in understanding the autophagy regulation mechanisms under multiple types of stress including nutrient, energy, oxidative, and ER stress in both yeast and mammalian systems.
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Affiliation(s)
- Yuchen Lei
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA; (Y.L.); (Y.H.); (X.W.); (Z.Y.); (Z.Z.)
- Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Yuxiang Huang
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA; (Y.L.); (Y.H.); (X.W.); (Z.Y.); (Z.Z.)
- Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Xin Wen
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA; (Y.L.); (Y.H.); (X.W.); (Z.Y.); (Z.Z.)
- Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Zhangyuan Yin
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA; (Y.L.); (Y.H.); (X.W.); (Z.Y.); (Z.Z.)
- Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Zhihai Zhang
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA; (Y.L.); (Y.H.); (X.W.); (Z.Y.); (Z.Z.)
- Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Daniel J. Klionsky
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA; (Y.L.); (Y.H.); (X.W.); (Z.Y.); (Z.Z.)
- Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
- Correspondence:
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Ren Y, Lin Y, Chen J, Jin Y. Disulfiram Chelated with Copper Promotes Apoptosis in Osteosarcoma via ROS/Mitochondria Pathway. Biol Pharm Bull 2021; 44:1557-1564. [PMID: 34602566 DOI: 10.1248/bpb.b21-00466] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Disulfiram (DSF) chelated with copper has been confirmed to have a strong anti-tumor ability. In this study, we determined that DSF-Cu induced mitochondria-dependent apoptosis in osteosarcoma (OS), reflecting in DSF-Cu induces mitochondrial membrane potential decline, the production of reactive oxygen species (ROS), and inhibiting cells migration and invasion along with decreasing the concentration of intracellular glutathione (GSH) and facilitating the opening of mitochondrial permeability transition pore (PT) in osteosarcoma cells. These anti-tumor activities can be reversed by Cyclosporine A (CsA, PT inhibitors) and N-acetyl-L-cysteine (NAC, antioxidants). Our results suggested that DSF-Cu exerts its anti-tumor effects in OS via regulation of the ROS/Mitochondria pathway. Our findings provide the basis for DSF-Cu to treat osteosarcoma, even might develop as a potential therapy for other tumors.
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Affiliation(s)
- Yelong Ren
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University
| | - Yutian Lin
- Department of Hand Surgery, The First Affiliated Hospital of Wenzhou Medical University
| | - Jinghao Chen
- Department of Hand Surgery, The First Affiliated Hospital of Wenzhou Medical University
| | - Yonglong Jin
- Department of Hand Surgery, The First Affiliated Hospital of Wenzhou Medical University
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Zhang J, Wang N, Zhou Y, Wang K, Sun Y, Yan H, Han W, Wang X, Wei B, Ke Y, Xu X. Oridonin induces ferroptosis by inhibiting gamma-glutamyl cycle in TE1 cells. Phytother Res 2020; 35:494-503. [PMID: 32869425 DOI: 10.1002/ptr.6829] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 07/08/2020] [Accepted: 07/11/2020] [Indexed: 12/22/2022]
Abstract
Oridonin (Ori) is a natural tetracyclic diterpenoid active compound with excellent antitumor activity, but the mechanism of Ori on esophageal cancer cell, TE1, remains unclear. In this study, we examined the levels of intracellular iron, malondialdehyde, and reactive oxygen species after Ori treatment, while interfering with the effects of Ori with ferroptosis inhibitor, demonstrating that Ori's inhibition of TE1 cell proliferation is associated with ferroptosis. To understand the molecular mechanism of Ori, we performed UPLC-MS/MS metabolomics profiling on TE1 cells, which show that gamma-glutamyl amino acids (gamma-glutamylleucine, gamma-glutamylvaline), 5-oxoproline, glutamate, GSH, and GSSG are changed significantly after Ori treatment. Meanwhile, the activity of gamma-glutamyl transpeptidase 1 (GGT1) decreased. This revealed that Ori inhibited the gamma-glutamyl cycle in TE1 cells. Furthermore, we found that Ori can covalently bind to cysteine to form the conjugate oridonin-cysteine (Ori-Cys), resulting in the inhibition of glutathione synthesis, which is consistent with the decrease in the enzymatic activity of glutamate cysteine ligase catalytic subunit (GCLC). Eventually, the value of intracellular GSH/GSSG was reduced, and the enzymatic activity of the glutathione peroxidase 4 (GPX4) was significantly decreased. In conclusion, our experiments indicated that Ori can inhibit the gamma-glutamyl cycle, thereby inducing ferroptosis to exert anti-cancer activity.
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Affiliation(s)
- Junhong Zhang
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, P. R. China
| | - Ni Wang
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, P. R. China
| | - Yuanyuan Zhou
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, P. R. China
| | - Kaili Wang
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, P. R. China
| | - Yaxin Sun
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, P. R. China
| | - Hao Yan
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, P. R. China
| | - Wenchao Han
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, P. R. China
| | - Xinying Wang
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, P. R. China
| | - Bo Wei
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, P. R. China
| | - Yu Ke
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, P. R. China
| | - Xia Xu
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, P. R. China
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Luo H, Vong CT, Chen H, Gao Y, Lyu P, Qiu L, Zhao M, Liu Q, Cheng Z, Zou J, Yao P, Gao C, Wei J, Ung COL, Wang S, Zhong Z, Wang Y. Naturally occurring anti-cancer compounds: shining from Chinese herbal medicine. Chin Med 2019; 14:48. [PMID: 31719837 PMCID: PMC6836491 DOI: 10.1186/s13020-019-0270-9] [Citation(s) in RCA: 256] [Impact Index Per Article: 51.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 10/23/2019] [Indexed: 12/24/2022] Open
Abstract
Numerous natural products originated from Chinese herbal medicine exhibit anti-cancer activities, including anti-proliferative, pro-apoptotic, anti-metastatic, anti-angiogenic effects, as well as regulate autophagy, reverse multidrug resistance, balance immunity, and enhance chemotherapy in vitro and in vivo. To provide new insights into the critical path ahead, we systemically reviewed the most recent advances (reported since 2011) on the key compounds with anti-cancer effects derived from Chinese herbal medicine (curcumin, epigallocatechin gallate, berberine, artemisinin, ginsenoside Rg3, ursolic acid, silibinin, emodin, triptolide, cucurbitacin B, tanshinone I, oridonin, shikonin, gambogic acid, artesunate, wogonin, β-elemene, and cepharanthine) in scientific databases (PubMed, Web of Science, Medline, Scopus, and Clinical Trials). With a broader perspective, we focused on their recently discovered and/or investigated pharmacological effects, novel mechanism of action, relevant clinical studies, and their innovative applications in combined therapy and immunomodulation. In addition, the present review has extended to describe other promising compounds including dihydroartemisinin, ginsenoside Rh2, compound K, cucurbitacins D, E, I, tanshinone IIA and cryptotanshinone in view of their potentials in cancer therapy. Up to now, the evidence about the immunomodulatory effects and clinical trials of natural anti-cancer compounds from Chinese herbal medicine is very limited, and further research is needed to monitor their immunoregulatory effects and explore their mechanisms of action as modulators of immune checkpoints.
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Affiliation(s)
- Hua Luo
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Chi Teng Vong
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Hanbin Chen
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Yan Gao
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Peng Lyu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Ling Qiu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Mingming Zhao
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Qiao Liu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Zehua Cheng
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Jian Zou
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Peifen Yao
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Caifang Gao
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Jinchao Wei
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Carolina Oi Lam Ung
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Shengpeng Wang
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Zhangfeng Zhong
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Yitao Wang
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
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Liu X, Long X, Liu W, Yao G, Zhao Y, Hayashi T, Hattori S, Fujisaki H, Ogura T, Tashiro SI, Onodera S, Yamato M, Ikejima T. Differential levels of reactive oxygen species in murine preadipocyte 3T3-L1 cells cultured on type I collagen molecule-coated and gel-covered dishes exert opposite effects on NF-κB-mediated proliferation and migration. Free Radic Res 2018; 52:913-928. [DOI: 10.1080/10715762.2018.1478088] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Xiaoling Liu
- China-Japan Research Institute of Medical Pharmaceutical Sciences, Shenyang Pharmaceutical University, Shenyang, China
| | - Xinyu Long
- China-Japan Research Institute of Medical Pharmaceutical Sciences, Shenyang Pharmaceutical University, Shenyang, China
| | - Weiwei Liu
- China-Japan Research Institute of Medical Pharmaceutical Sciences, Shenyang Pharmaceutical University, Shenyang, China
| | - Guodong Yao
- School of Traditional Chinese Materia Medica, Key Laboratory of Structure-Based Drug Design & Discovery (Ministry of Education), Shenyang Pharmaceutical University, Shenyang, China
| | - Yeli Zhao
- China-Japan Research Institute of Medical Pharmaceutical Sciences, Shenyang Pharmaceutical University, Shenyang, China
| | - Toshihiko Hayashi
- China-Japan Research Institute of Medical Pharmaceutical Sciences, Shenyang Pharmaceutical University, Shenyang, China
| | | | | | - Takaaki Ogura
- Nippi Research Institute of Biomatrix, Ibaraki, Japan
| | - Shin-ichi Tashiro
- Department of Medical Education and Primary Care, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Satoshi Onodera
- Department of Clinical and Pharmaceutical Sciences, Showa Pharmaceutical University, Tokyo, Japan
| | - Masayuki Yamato
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women’s Medical University, Tokyo, Japan
| | - Takashi Ikejima
- China-Japan Research Institute of Medical Pharmaceutical Sciences, Shenyang Pharmaceutical University, Shenyang, China
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Liu X, Long X, Liu W, Zhao Y, Hayashi T, Yamato M, Mizuno K, Fujisaki H, Hattori S, Tashiro SI, Ogura T, Atsuzawa Y, Ikejima T. Type I collagen induces mesenchymal cell differentiation into myofibroblasts through YAP-induced TGF-β1 activation. Biochimie 2018; 150:110-130. [PMID: 29777737 DOI: 10.1016/j.biochi.2018.05.005] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Accepted: 05/14/2018] [Indexed: 12/11/2022]
Abstract
In organ fibrosis, mechanical stress and transforming growth factor beta-1 (TGF-β1) promote differentiation into myofibroblast from mesenchymal cells, leading to extracellular matrix (ECM) remodeling or active synthesis, deposition or degradation of ECM components. A major component of ECM, type I collagen (col I) triple helical molecules assemble into fibrils or are denatured to gelatin without triple-helicity in remodeling. However, whether changes of ECM components in remodeling have influence on mesenchymal cell differentiation remains elusive. This study adopted three states of collagen I existing in ECM remodeling: molecular collagen, fibrillar collagen and gelatin to see what are characteristics in the effects on two cell lines of mesenchymal origin, murine 3T3-L1 embryonic fibroblast and murine C2C12 myoblasts. The results showed that all three forms of collagen I were capable of inducing these two cells to differentiate into myofibroblasts characterized by increased expression of alpha-smooth muscle actin (α-SMA) mRNA. The expression of α-SMA is positively regulated by TGF-β1. Nuclear translocation of Yes-associated protein (YAP) is involved in this process. Focal adhesion kinase (FAK) is activated in the cells cultured on molecular collagen-coated plates, contributing to YAP activation. On the other hand, in the cells cultured on fibrillar collagen gel or gelatin-coated plates, oxidative stress but not FAK induce YAP activation. In conclusion, the three physicochemically distinct forms of col I induce the differentiation of mesenchymal cells into myofibroblasts through different pathways.
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Affiliation(s)
- Xiaoling Liu
- China-Japan Research Institute of Medical Pharmaceutical Sciences, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Xinyu Long
- China-Japan Research Institute of Medical Pharmaceutical Sciences, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Weiwei Liu
- China-Japan Research Institute of Medical Pharmaceutical Sciences, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Yeli Zhao
- China-Japan Research Institute of Medical Pharmaceutical Sciences, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Toshihiko Hayashi
- China-Japan Research Institute of Medical Pharmaceutical Sciences, Shenyang Pharmaceutical University, Shenyang, 110016, China; Department of Chemistry and Life Science, School of Advanced Engineering, Kogakuin University, 2665-1, Nakanomachi, Hachioji, Tokyo, 192-0015, Japan
| | - Masayuki Yamato
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, Tokyo, 162-8666, Japan
| | - Kazunori Mizuno
- Nippi Research Institute of Biomatrix, Ibaraki, 302-0017, Japan
| | - Hitomi Fujisaki
- Nippi Research Institute of Biomatrix, Ibaraki, 302-0017, Japan
| | - Shunji Hattori
- Nippi Research Institute of Biomatrix, Ibaraki, 302-0017, Japan
| | - Shin-Ichi Tashiro
- Department of Medical Education and Primary Care, Kyoto Prefectural University of Medicine, Kyoto, 603-8072, Japan
| | - Takaaki Ogura
- Nippi Research Institute of Biomatrix, Ibaraki, 302-0017, Japan
| | - Yuji Atsuzawa
- Nippi Research Institute of Biomatrix, Ibaraki, 302-0017, Japan
| | - Takashi Ikejima
- China-Japan Research Institute of Medical Pharmaceutical Sciences, Shenyang Pharmaceutical University, Shenyang, 110016, China.
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Li L, Chen X, Gu H. The signaling involved in autophagy machinery in keratinocytes and therapeutic approaches for skin diseases. Oncotarget 2018; 7:50682-50697. [PMID: 27191982 PMCID: PMC5226613 DOI: 10.18632/oncotarget.9330] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2016] [Accepted: 04/26/2016] [Indexed: 02/06/2023] Open
Abstract
Autophagy is responsible for the lysosomal degradation of proteins, organelles, microorganisms and exogenous particles. Epidermis primarily consists of keratinocytes which functions as an extremely important barrier. Investigation on autophagy in keratinocytes has been continuously renewing, but is not so systematic due to the complexity of the autophagy machinery. Here we reviewed recent studies on the autophagy in keratinocyte with a focus on interplay between autophagy machinery and keratinocytes biology, and novel autophagy regulators identified in keratinocytes. In this review, we discussed the roles of autophagy in apoptosis, differentiation, immune response, survival and melanin metabolism, trying to reveal the possible involvement of autophagy in skin aging, skin disorders and skin color formation. Since autophagy routinely plays a double-edged sword role in various conditions, its functions in skin homeostasis and potential application as a therapeutic target for skin diseases remains to be clarified. Furthermore, more investigations are needed on optimizing designed strategies to inhibit or enhance autophagy for clinical efficacy.
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Affiliation(s)
- Li Li
- Institute of Dermatology, Chinese Academy of Medical Science & Peking Union Medical College, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Nanjing, China
| | - Xu Chen
- Institute of Dermatology, Chinese Academy of Medical Science & Peking Union Medical College, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Nanjing, China
| | - Heng Gu
- Institute of Dermatology, Chinese Academy of Medical Science & Peking Union Medical College, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Nanjing, China
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Liu X, Kang J, Wang H, Huang T. Mitochondrial ROS contribute to oridonin-induced HepG2 apoptosis through PARP activation. Oncol Lett 2017; 15:2881-2888. [PMID: 29435014 PMCID: PMC5778846 DOI: 10.3892/ol.2017.7665] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Accepted: 11/10/2017] [Indexed: 01/11/2023] Open
Abstract
Oridonin, the main active constituent of Rabdosia rubescens, is known to exert antitumor activity via the induction of apoptosis in numerous types of human cancer cells. However, the underlying regulatory mechanisms of mitochondrial ROS in oridonin-induced HepG2 apoptosis remain largely unknown, due to limitations of subcellular imaging resolution. Previously, it has been suggested that mitochondria serve a potential role in sensing and signaling cellular redox changes in vital biological processes such as cell death and the abiotic stress response, based on studies involving the mitochondrial-targeted redox-sensitive green fluorescent protein (GFP). To address this, a mitochondrial-targeted Grx1-roGFP2 (mtGrx1-roGFP2) biosensor was implemented to monitor real-time mitochondrial redox changes of HepG2 cells in response to either H2O2/DTT or oridonin/SS31 treatment. It was determined that oridonin caused a perturbation in mitochondrial redox status, which in turn contributed to oridonin-induced apoptosis. Furthermore, a novel mechanism underlying the regulation of mitochondrial redox changes in oridonin-induced HepG2 apoptosis, presumably dependent on PARP cleavage, was proposed. In conclusion, the present study provides evidence in support of mitochondrial redox changes as a potential mediator in the apoptotic activities of oridonin in HepG2 cells, which provides insight into the molecular mechanisms by which mitochondrial redox signaling regulates oridonin-induced apoptosis in cancer therapy, and the development of mitochondria-specific oridonin as a promising novel anticancer therapeutic strategy.
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Affiliation(s)
- Xiaoning Liu
- Department of Biochemistry, School of Medicine, Huanghe College of Science and Technology, Zhengzhou, Henan 450063, P.R. China
| | - Jingjing Kang
- Department of Biochemistry, School of Medicine, Huanghe College of Science and Technology, Zhengzhou, Henan 450063, P.R. China
| | - Hui Wang
- Department of Biochemistry, School of Medicine, Huanghe College of Science and Technology, Zhengzhou, Henan 450063, P.R. China
| | - Tao Huang
- Department of Biochemistry, School of Medicine, Huanghe College of Science and Technology, Zhengzhou, Henan 450063, P.R. China
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Feng T, Wang L, Zhou N, Liu C, Cui J, Wu R, Jing J, Zhang S, Chen H, Wang S. Salidroside, a scavenger of ROS, enhances the radioprotective effect of Ex-RAD® via a p53-dependent apoptotic pathway. Oncol Rep 2017; 38:3094-3102. [PMID: 28901519 DOI: 10.3892/or.2017.5940] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 08/09/2017] [Indexed: 11/05/2022] Open
Abstract
Salidroside (Sal), the predominant component of a Chinese medicinal herb, Rhodiola rosea L., has become an attractive bioagent due to its significant anti-radiation, antioxidant and immune adjustment effects. We explored the radioprotective effect of Sal to ascertain whether it could enhance the anti-radiation effect of ON 01210.Na (Ex-RAD®) in vivo and in vitro, and elucidate its underlying mechanism. Our data demonstrated that Sal inhibited radiation-induced apoptosis, scavenged reactive oxygen species (ROS), and decreased the DNA damage of human umbilical vein endothelial cells (HUVECs). Sal downregulated the expression of Bax and p53 and increased the ratio of Bcl-2/Bax, which indicated that Sal inhibited the radiation-induced apoptosis through p53-dependent pathways. The radioprotection of the Sal pretreatment was also evidenced by an increasing survival rate of the mice, maintaining antioxidant enzyme levels in the liver, and accelerating hematopoietic recovery. The results suggest that Sal exhibits an excellent radioprotective effect with powerful antioxidant activity in vitro and in vivo. Sal enhanced the radioprotective effect of Ex-RAD by improving the antioxidant effect, the scavenging of ROS, by accelerating hematopoietic recovery and DNA repair as well as by regulating apoptotic and repair signaling pathways. Combined modality treatments were more effective than single-agent treatments, demonstrating the value of multiple-agent radioprotectants.
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Affiliation(s)
- Tian Feng
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Libin Wang
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Nan Zhou
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Chang Liu
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Jiahui Cui
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Rangxin Wu
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Juan Jing
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Shengyong Zhang
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Hui Chen
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Siwang Wang
- Institute of Materia Medica, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
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PTEN Activation by DNA Damage Induces Protective Autophagy in Response to Cucurbitacin B in Hepatocellular Carcinoma Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:4313204. [PMID: 28042385 PMCID: PMC5155108 DOI: 10.1155/2016/4313204] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 10/23/2016] [Accepted: 10/31/2016] [Indexed: 01/11/2023]
Abstract
Cucurbitacin B (Cuc B), a natural product, induced both protective autophagy and DNA damage mediated by ROS while the detailed mechanisms remain unclear. This study explored the mechanism of Cuc B-induced DNA damage and autophagy. Cuc B decreased cell viability in concentration- and time-dependent manners. Cuc B caused long comet tails and increased expression of γ-H2AX, phosphorylation of ATM/ATR, and Chk1/Chk2. Cuc B induced autophagy as evidenced by monodansylcadaverine (MDC) staining, increased expression of LC3II, phosphorylated ULK1, and decreased expression of phosphorylated AKT, mTOR. Cuc B induced apoptosis mediated by Bcl-2 family proteins and caspase activation. Furthermore, Cuc B induced ROS formation, which was inhibited by N-acetyl-L-cysteine (NAC). NAC pretreatment dramatically reversed Cuc B-induced DNA damage, autophagy, and apoptosis. Cuc B-induced apoptosis was reversed by NAC but enhanced by 3-methyladenine (3-MA), chloroquine (CQ), and silencing phosphatase and tensin homolog (PTEN). 3-MA and CQ showed no effect on Cuc B-induced DNA damage. In addition, Cuc B increased PTEN phosphorylation and silence PTEN restored Cuc B-induced autophagic protein expressions without affecting DNA damage. In summary, Cuc B induced DNA damage, apoptosis, and protective autophagy mediated by ROS. PTEN activation in response to DNA damage bridged DNA damage and prosurvival autophagy.
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Li D, Han T, Liao J, Hu X, Xu S, Tian K, Gu X, Cheng K, Li Z, Hua H, Xu J. Oridonin, a Promising ent-Kaurane Diterpenoid Lead Compound. Int J Mol Sci 2016; 17:E1395. [PMID: 27563888 PMCID: PMC5037675 DOI: 10.3390/ijms17091395] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Revised: 08/15/2016] [Accepted: 08/18/2016] [Indexed: 12/16/2022] Open
Abstract
Oridonin belongs to ent-kaurane tetracyclic diterpenoid and was first isolated from Isodon species. It exhibits inhibitory activities against a variety of tumor cells, and pharmacological study shows that oridonin could inhibit cell proliferation, DNA, RNA and protein synthesis of cancer cells, induce apoptosis and exhibit an antimutagenic effect. In addition, the large amount of the commercially-available supply is also very important for the natural lead oridonin. Moreover, the good stability, suitable molecular weight and drug-like property guarantee its further generation of a natural-like compound library. Oridonin has become the hot molecule in recent years, and from the year 2010, more than 200 publications can be found. In this review, we summarize the synthetic medicinal chemistry work of oridonin from the first publication 40 years ago and share our research experience of oridonin for about 10 years, which may provide useful information to those who are interested in this research field.
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Affiliation(s)
- Dahong Li
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Tong Han
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Jie Liao
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Xu Hu
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Shengtao Xu
- Department of Medicinal Chemistry and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China.
| | - Kangtao Tian
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Xiaoke Gu
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical College, Xuzhou 221004, China.
| | - Keguang Cheng
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, and School of Chemistry and Pharmacy, Guangxi Normal University, Guilin 541004, China.
| | - Zhanlin Li
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Huiming Hua
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Jinyi Xu
- Department of Medicinal Chemistry and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China.
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Abstract
Oridonin has attracted considerable attention in the last decade because of its anti-cancer pharmacological properties. This ent-kaurane diterpenoid, isolated from the Chinese herb Rabdosia rubescens and some related species, has
demonstrated great potential in the treatment profile of many diseases by exerting anti-tumor, anti-inflammatory, pro-apoptotic, and neurological effects. Unfortunately, the mechanisms via which oridonin exerts these effects remain poorly understood. This review provides an overview of the multifunctional effects of oridonin as well as the reasons for its potential for investigations in the treatment of many diseases other than cancer.
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Affiliation(s)
- Brice Ayissi Owona
- Division of Immunopathology of the Nervous System, Institute of Pathology and Neuropathology, University of Tübingen, Calwer Street 3, Tübingen, Germany,
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Gao S, Tan H, Zhu N, Gao H, Lv C, Gang J, Ji Y. Oridonin induces apoptosis through the mitochondrial pathway in human gastric cancer SGC-7901 cells. Int J Oncol 2016; 48:2453-60. [PMID: 27082253 DOI: 10.3892/ijo.2016.3479] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Accepted: 03/21/2016] [Indexed: 11/05/2022] Open
Abstract
Oridonin is one of the most important antitumor active ingredients of Rabdosia rubescens. Recently published studies from our laboratory have demonstrated that oridonin was able to arrest human gastric cancer SGC-7901 cells at G2/M phase. However, little is known about inducing apoptosis in gastric cancer. The aim of this study was to investigate the effect of oridonin on antineoplastic capability of SGC-7901 cells and the detailed molecular mechanism of oridonin-mediated intrinsic pathway of apoptosis. Cell proliferation was assessed by MTT assay while apoptosis induced by oridonin was determined by Hoechst 33342 staining assay and Annexin V/PI double staining assay. Early apoptotic rate was stained by Annexin V/PI and detected by flow cytometry. Apoptosis pathway was analyzed by western blot analysis of Bcl-2, Bax, cytochrome c and caspase-3 expression. The results showed that oridonin was able to inhibit the SGC-7901 cell proliferation, the 50% growth inhibition (IC50) was 22.74 µM. Oridonin could induce cell apoptosis of SGC-7901 cells and the early apoptotic rates induced by 0, 20, 40, 80 µmol/l oridonin were 1.53±0.67, 3.33±0.29, 84.80±0.82 and 96.43±0.51%, respectively. Western blot analysis revealed that oridonin downregulated Bcl-2 protein (the anti-apoptotic factor) and upregulated Bax protein (pro-apoptotic factor), eventually leading to a reduction in the ratio of Bcl-2/Bax proteins. Furthermore, oridonin induced the release of cytochrome c from the mitochondria to the cytosol and the activation of caspase-3. Taken together, the current study suggested that oridonin induced apoptosis in SGC-7901 cells via the mitochondrial signal pathway, which may represent one of the major mechanisms of oridonin-mediated apoptosis in SGC-7901 cells.
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Affiliation(s)
- Shiyong Gao
- The Institute of Materia Medica, The Research Center of Life Sciences and Environmental Sciences, Harbin University of Commerce, Harbin 150076, P.R. China
| | - Huixin Tan
- Department of Pharmacy, The Fourth Affiliated Hospital of Harbin Medical University, Harbin 150001, P.R. China
| | - Nan Zhu
- Engineering Research Center of Natural Anticancer Drugs of Ministry of Education, Harbin University of Commerce, Harbin 150076, P.R. China
| | - Haiyu Gao
- The Institute of Materia Medica, The Research Center of Life Sciences and Environmental Sciences, Harbin University of Commerce, Harbin 150076, P.R. China
| | - Chunyu Lv
- The Institute of Materia Medica, The Research Center of Life Sciences and Environmental Sciences, Harbin University of Commerce, Harbin 150076, P.R. China
| | - Jian Gang
- The Institute of Materia Medica, The Research Center of Life Sciences and Environmental Sciences, Harbin University of Commerce, Harbin 150076, P.R. China
| | - Yubin Ji
- The Institute of Materia Medica, The Research Center of Life Sciences and Environmental Sciences, Harbin University of Commerce, Harbin 150076, P.R. China
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17
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Li P, Zhao QL, Wu LH, Jawaid P, Jiao YF, Kadowaki M, Kondo T. Isofraxidin, a potent reactive oxygen species (ROS) scavenger, protects human leukemia cells from radiation-induced apoptosis via ROS/mitochondria pathway in p53-independent manner. Apoptosis 2014; 19:1043-53. [PMID: 24692054 DOI: 10.1007/s10495-014-0984-1] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Ionizing radiation (IR) leads to oxidizing events such as excessive reactive oxygen species (ROS) in the exposed cells, resulting in further oxidative damage to lipids, proteins and DNA. To screen the potential radio-protective drug, the intracellular ROS was measured in irradiated U937 cells pretreated with 80 candidate traditional herbal medicine, respectively. Isofraxidin (IF) was one possible radio-protector in these 80 drugs. This study investigated the radio-protective role of IF, a Coumarin compound, in human leukemia cell lines, for the first time. Results indicate that IF protects against IR-induced apoptosis in U937 cells in the time- and concentration- dependent manner. IF decreases IR-induced intracellular ROS generation, especially hydroxyl radicals formation, inhibits IR-induced mitochondrial membrane potential loss and reduces IR-induced high intracellular Ca(2+) levels regardless of ER stress. IF down-regulates the expression of caspase-3, phospho-JNK, phospho-p38 and activates Bax in mitochondria. IF inhibits cytochrome c release from mitochondria to cytosol. IF also moderates IR-induced Fas externalization and caspase-8 activation. IF also exhibits significant protection against IR-induced cell death in other leukemia cell lines such as Molt-4 cells and HL60 cells regardless of p53. Taken together, the data demonstrate that IF protects leukemia cells from radiation-induced apoptosis via ROS/mitochondria pathway in a p53-independent manner.
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Affiliation(s)
- Peng Li
- Department of Radiological Sciences, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Sugitani 2630, Toyama, 930-0194, Japan
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18
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Wu LH, Li P, Zhao QL, Piao JL, Jiao YF, Kadowaki M, Kondo T. Arbutin, an intracellular hydroxyl radical scavenger, protects radiation-induced apoptosis in human lymphoma U937 cells. Apoptosis 2014; 19:1654-63. [DOI: 10.1007/s10495-014-1032-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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19
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Gao SY, Li J, Qu XY, Zhu N, Ji YB. Downregulation of Cdk1 and CyclinB1 Expression Contributes to Oridonin-induced Cell Cycle Arrest at G 2/M Phase and Growth Inhibition in SGC-7901 Gastric Cancer Cells. Asian Pac J Cancer Prev 2014; 15:6437-6441. [DOI: 10.7314/apjcp.2014.15.15.6437] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2023] Open
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20
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Kuo LM, Kuo CY, Lin CY, Hung MF, Shen JJ, Hwang TL. Intracellular glutathione depletion by oridonin leads to apoptosis in hepatic stellate cells. Molecules 2014; 19:3327-44. [PMID: 24647034 PMCID: PMC6270846 DOI: 10.3390/molecules19033327] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Revised: 03/04/2014] [Accepted: 03/13/2014] [Indexed: 01/04/2023] Open
Abstract
Proliferation of hepatic stellate cells (HSCs) plays a key role in the pathogenesis of liver fibrosis. Induction of HSC apoptosis by natural products is considered an effective strategy for treating liver fibrosis. Herein, the apoptotic effects of 7,20-epoxy-ent-kaurane (oridonin), a diterpenoid isolated from Rabdosia rubescens, and its underlying mechanisms were investigated in rat HSC cell line, HSC-T6. We found that oridonin inhibited cell viability of HSC-T6 in a concentration-dependent manner. Oridonin induced a reduction in mitochondrial membrane potential and increases in caspase 3 activation, subG1 phase, and DNA fragmentation. These apoptotic effects of oridonin were completely reversed by thiol antioxidants, N-acetylcysteine (NAC) and glutathione monoethyl ester. Moreover, oridonin increased production of reactive oxygen species (ROS), which was also inhibited by NAC. Significantly, oridonin reduced intracellular glutathione (GSH) level in a concentration- and time-dependent fashion. Additionally, oridonin induced phosphorylations of extracellular signal-regulated kinase (ERK), c-Jun N-terminal kinase (JNK), and p38 mitogen-activated protein kinase (MAPK). NAC prevented the activation of MAPKs in oridonin-induced cells. However, selective inhibitors of MAPKs failed to alter oridonin-induced cell death. In summary, these results demonstrate that induction of apoptosis in HSC-T6 by oridonin is associated with a decrease in cellular GSH level and increase in ROS production.
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Affiliation(s)
- Liang-Mou Kuo
- Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan.
| | - Chan-Yen Kuo
- Graduate Institute of Natural Products, School of Traditional Chinese Medicine, Collage of Medicine, Chang Gung University, Taoyuan 333, Taiwan.
| | - Chen-Yu Lin
- Graduate Institute of Natural Products, School of Traditional Chinese Medicine, Collage of Medicine, Chang Gung University, Taoyuan 333, Taiwan.
| | - Min-Fa Hung
- Graduate Institute of Natural Products, School of Traditional Chinese Medicine, Collage of Medicine, Chang Gung University, Taoyuan 333, Taiwan.
| | - Jiann-Jong Shen
- Graduate Institute of Natural Products, School of Traditional Chinese Medicine, Collage of Medicine, Chang Gung University, Taoyuan 333, Taiwan.
| | - Tsong-Long Hwang
- Graduate Institute of Natural Products, School of Traditional Chinese Medicine, Collage of Medicine, Chang Gung University, Taoyuan 333, Taiwan.
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21
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Wang H, Ye Y, Yu ZL. Proteomic and functional analyses demonstrate the involvement of oxidative stress in the anticancer activities of oridonin in HepG2 cells. Oncol Rep 2014; 31:2165-72. [PMID: 24627081 DOI: 10.3892/or.2014.3081] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2014] [Accepted: 02/27/2014] [Indexed: 11/06/2022] Open
Abstract
Oridonin exhibits a curative effect on liver carcinoma in patients and experimental animals. In the present study, we performed proteomic and functional analyses to explore the mechanism involved in the anticancer activity of oridonin. Oridonin treatment for 24 h resulted in a dose-dependent decrease in cell viability with an IC50 value of 37.90 µM. Treatment with 40 µM oridonin for 24 h induced apoptosis as typical apoptotic nuclear alterations were observed following DAPI staining. Using a 2-DE-based proteomic approach, 3 upregulated oxidative stress markers, Hsp70-1, Hop and Prdx2, were identified in the HepG2 cells treated with 40 µM oridonin for 24 h. A pattern of alteration in Hsp70-1 was verified by western blotting. The mRNA expression patterns of Hsp70-1 and Hop as determined by qPCR were comparable to their protein expression patterns. Further investigations showed that oridonin treatment for 24 h resulted in reactive oxygen species (ROS) generation, and ROS scavenger N-acetylcysteine (NAC) completely inhibited ROS production and restored cell viability, suggesting that oxidative stress contributed to oridonin-induced HepG2 cell death. Western blot analysis of oxidative stress pathway-related proteins demonstrated that oridonin treatment increased p-JNK, p-p38 and p-p53, and decreased Bcl-2 protein expression levels, promoted cytochrome c release, decreased mitochondrial membrane potential, and activated caspase-9 and caspase-3. Furthermore, knockdown of Hsp70-1 expression with specific shRNA significantly decreased the viability of the cells treated with oridonin, suggesting a protective role of Hsp70-1 in oridonin-mediated oxidative stress. The results of the present study provide evidence for a link between oxidative stress and oridonin-induced apoptosis in HepG2 cells.
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Affiliation(s)
- Hui Wang
- Guangdong Provincial Key Laboratory of Biotechnology Candidate Drug Research, School of Life Science and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, P.R. China
| | - Yan Ye
- Center for Cancer and Inflammation Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, SAR, P.R. China
| | - Zhi-Ling Yu
- Center for Cancer and Inflammation Research, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, SAR, P.R. China
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22
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Lee EJ, Cha HJ, Ahn KJ, An IS, An S, Bae S. Oridonin exerts protective effects against hydrogen peroxide‑induced damage by altering microRNA expression profiles in human dermal fibroblasts. Int J Mol Med 2013; 32:1345-54. [PMID: 24145963 DOI: 10.3892/ijmm.2013.1533] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2013] [Accepted: 10/10/2013] [Indexed: 11/05/2022] Open
Abstract
The aim of the present study was to evaluate the protective effects of oridonin on hydrogen peroxide-induced cytotoxicity in normal human dermal fibroblasts (NHDFs) using microRNA (miRNA) expression profile analysis. Oridonin was not cytotoxic at low doses (≤5 µM) in the NHDFs, and pre-treatment of the cells with oridonin significantly reduced hydrogen dioxide (H2O2)-mediated cytotoxicity and cell death. Whereas oridonin showed no free radical scavenging activity in in vitro and in vivo antioxidant assays, treatment of the NHDFs with oridonin was associated with intracellular scavenging of reactive oxygen species. High-density miRNA microarray analysis revealed alterations in the expression profiles of specific miRNAs (5 upregulated and 22 downregulated) following treatment with oridonin in the H2O2-treated NHDFs. Moreover, the use of a miRNA target-gene prediction tool and Gene Ontology analysis demonstrated that these miRNAs are functionally related to the inhibition of apoptosis and cell growth. These data provide valuable insight into the cellular responses to oridonin in H2O2-induced damage in NHDFs.
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Affiliation(s)
- Eun-Jin Lee
- Molecular-Targeted Drug Research Center, Konkuk University, Seoul 143-701, Republic of Korea
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23
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Natural compounds as regulators of the cancer cell metabolism. Int J Cell Biol 2013; 2013:639401. [PMID: 23762063 PMCID: PMC3670510 DOI: 10.1155/2013/639401] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2012] [Accepted: 04/22/2013] [Indexed: 01/08/2023] Open
Abstract
Even though altered metabolism is an "old" physiological mechanism, only recently its targeting became a therapeutically interesting strategy and by now it is considered an emerging hallmark of cancer. Nevertheless, a very poor number of compounds are under investigation as potential modulators of cell metabolism. Candidate agents should display selectivity of action towards cancer cells without side effects. This ideal favorable profile would perfectly overlap the requisites of new anticancer therapies and chemopreventive strategies as well. Nature represents a still largely unexplored source of bioactive molecules with a therapeutic potential. Many of these compounds have already been characterized for their multiple anticancer activities. Many of them are absorbed with the diet and therefore possess a known profile in terms of tolerability and bioavailability compared to newly synthetized chemical compounds. The discovery of important cross-talks between mediators of the most therapeutically targeted aberrancies in cancer (i.e., cell proliferation, survival, and migration) and the metabolic machinery allows to predict the possibility that many anticancer activities ascribed to a number of natural compounds may be due, in part, to their ability of modulating metabolic pathways. In this review, we attempt an overview of what is currently known about the potential of natural compounds as modulators of cancer cell metabolism.
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24
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Zheng B, Wu L, Ma L, Liu S, Li L, Xie W, Li X. Telekin induces apoptosis associated with the mitochondria-mediated pathway in human hepatocellular carcinoma cells. Biol Pharm Bull 2013; 36:1118-25. [PMID: 23657090 DOI: 10.1248/bpb.b13-00058] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Telekin, a eudesmane-type sesquiterpene lactone compound isolated from Chinese folk medicine Carpesium divaricatum, has been reported to strongly inhibit the proliferation of cancer cells. In this study, the involvement of a mitochondria-mediated pathway in the pro-apoptotic action of telekin was investigated in human hepatocellular carcinoma cells. 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assays showed that telekin exhibited excellent anti-proliferation activity in hepatocellular carcinoma cells and low cytotoxicity to normal hepatocyte cells. Telekin-induced apoptosis was characterized by chromatin condensation, formation of apoptotic bodies, and exposure of phosphatidylserine on the extracellular surface, as revealed by 4,6-diamidino-2-phenylindole (DAPI) nuclear staining and flow cytometry. Flow cytometry analysis showed that telekin induced the loss of mitochondrial membrane potential (MMP), as well as increased the levels of intracellular free calcium and reactive oxygen species (ROS). Additionally, Western blot results demonstrated that telekin induced the decrease in Apaf-1 and Bcl-2 expression, increase in Bax expression, release of cytochrome C, and activation of caspase-9 and caspase-3 in HepG-2 cells. These findings indicate that telekin activates the mitochondria-mediated apoptotic pathway in hepatocellular carcinoma cells and may merit further investigation as a potential therapeutic agent for the treatment of hepatocellular carcinoma.
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Affiliation(s)
- Beibei Zheng
- School of Ocean, Shandong University, Weihai 264209, P R China
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