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Chen HI, Hu WS, Hung MY, Ou HC, Huang SH, Hsu PT, Day CH, Lin KH, Viswanadha VP, Kuo WW, Huang CY. Protective effects of luteolin against oxidative stress and mitochondrial dysfunction in endothelial cells. Nutr Metab Cardiovasc Dis 2020; 30:1032-1043. [PMID: 32402583 DOI: 10.1016/j.numecd.2020.02.014] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Revised: 02/13/2020] [Accepted: 02/18/2020] [Indexed: 01/29/2023]
Abstract
BACKGROUND AND AIMS Luteolin is a common flavonoid that is abundantly present in various edible plants, it is known to exhibit beneficial effects on cardiovascular system. However, the mechanisms which underlie the protective effects of luteolin on endothelial cell damage caused by oxidative stress remains unclear. The purpose of this study is to test the hypothesis which states that luteolin protects against H2O2-induced oxidative stress via modulating ROS-mediated P38 MAPK/NF-κB and calcium-evoked mitochondrial apoptotic signalling pathways. METHODS AND RESULTS Human umbilical vein endothelial cells (HUVECs) were pretreated with luteolin prior to being stimulated by 600 μM H2O2 for another 24 h. The expression of native and phosphorylated-P38, IκB, NF-κB, native eNOS, phosphorylated-eNOS, iNOS and several apoptosis-related proteins were analyzed by Western blot. In addition, intracellular calcium was determined by fura-2 AM and mitochondrial membrane potential was examined by using JC1. Using the data gathered, we found indications that H2O2 induced P38 MAPK/NF-κB activation. H2O2 downregulated the expression of eNOS and upregulated iNOS, which in turn contribute to an elevated NO generation and protein nitrosylation. However, pretreatment with luteolin markedly reversed all of these alterations dose-dependently. Additionally, an intracellular calcium rise and subsequent mitochondrial membrane potential collapse, P53 phosphorylation, reduced BcL-2/Bax ratio in the mitochondrial membrane, release cytochrome c from mitochondria, leading to the subsequent activation of caspase 3 activation by H2O2 were all markedly suppressed in the presence of luteolin. CONCLUSION Results from this study may provide the possible molecular mechanisms underlying cardiovascular protective effects of luteolin.
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Affiliation(s)
- Hsiu-I Chen
- Department of Physical Therapy, Hungkuang University, Taichung, Taiwan
| | - Wei-Syun Hu
- School of Medicine, College of Medicine, China Medical University, Taichung, 40402, Taiwan
| | - Meng-Yu Hung
- Graduate Institute of Biomedicine, China Medical University and Hospital, Taichung, Taiwan
| | - Hsiu-Chung Ou
- Department of Physical Therapy, College of Medical and Health Science, Asia University, Taichung, Taiwan
| | - Su-Hua Huang
- Department of Biotechnology, Asia University, Taichung, Taiwan
| | - Pei-Tzu Hsu
- Department of Biotechnology, Asia University, Taichung, Taiwan
| | | | - Kuan-Ho Lin
- School of Medicine, College of Medicine, China Medical University, Taichung, 40402, Taiwan; Division of Emergency, Department of Medicine, China Medical University Hospital, Taichung, 40447, Taiwan
| | - Vijaya P Viswanadha
- Department of Biotechnology, Bharathiar University, Coimbatore, 641 046, India
| | - Wei-Wen Kuo
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan
| | - Chih-Yang Huang
- Graduate Institute of Biomedicine, China Medical University and Hospital, Taichung, Taiwan; Department of Biotechnology, Asia University, Taichung, Taiwan; Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, 404, Taiwan; Cardiovascular and Mitochondrial Related Diseases Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan; Center of General Education, Buddhist Tzu Chi Medical Foundation, Tzu Chi University of Science and Technology, Hualien, 970, Taiwan.
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Tung CL, Ju DT, Velmurugan BK, Ban B, Dung TD, Hsieh DJY, P Viswanadha V, Day CH, Lin YM, Huang CY. Carthamus tinctorius L. extract activates insulin-like growth factor-I receptor signaling to inhibit FAS-death receptor pathway and suppress lipopolysaccharides-induced H9c2 cardiomyoblast cell apoptosis. Environ Toxicol 2019; 34:1320-1328. [PMID: 31486215 DOI: 10.1002/tox.22833] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 07/16/2019] [Accepted: 07/21/2019] [Indexed: 06/10/2023]
Abstract
Carthamus tinctorius L. (Compositae) is used in Chinese medicine to treat heart disease and inflammation. In our previous study, we found that C. tinctorius L. inhibited lipopolysaccharides (LPS)-induced tumor necrosis factor-alpha (TNF-α) activation, JNK expression, and apoptosis in H9c2 cardiomyoblast cells. The present study was performed to investigate the protective effect of C. tinctorius extract (CTF) on LPS-challenged H9c2 myocardioblast cell and to explore the possible underlying mechanism. Cell viability assay showed that LPS treatment decreased the cell viability of H9c2 cell, whereas CTF treatment reversed LPS cytotoxicity in a dose-dependent manner, especially in the LPS + CTF 25 (μg/mL) group. LPS treatment-induced apoptosis was determined by transferase-mediated dUTP nick end labeling assay, and by Western blot. LPS-induced apoptotic bodies were decreased following CTF treatment. Expression of TNF-α, FAS-L, FAS, FADD, caspase-8, BID, and t-BID was significantly increased in LPS-treated H9c2 cells. In contrast, it was significantly suppressed by the administration of CTF extract. In addition, CTF treatment activates antiapoptotic proteins, Bcl-2 and p-Bad, and downregulates Bax, cytochrome-c, caspase-9, caspase-3, and apoptosis-inducing factor expression. Furthermore, CTF exerted cytoprotective effects by activating insulin-like growth factor-I (IGF-I) signaling pathway leading to downregulation of the apoptotic proteins involved in FAS death receptor pathway. In addition, AG1024 and IGF-I receptor (IGF-IR) inhibitor and siRNA silencing reverses the effect of CTF implying that CTF functions through the IGF-IR pathway to inhibit LPS-induced H9c2 apoptosis. These results suggest that treatment with CTF extract prevented the LPS-induced apoptotic response through IGF-I pathway.
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Affiliation(s)
- Chun-Liang Tung
- Department of Food Nutrition and Healthy Biotechnology, Asia University, Taichung, Taiwan
- Department of Pathology, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi, Taiwan
| | - Da-Tong Ju
- Department of Neurological Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Bharath Kumar Velmurugan
- Institute of Research and Development, Duy Tan University, Da Nang, 550000, Vietnam
- Department of Biotechnology, Asia University, Taichung, Taiwan
| | - Bo Ban
- Department of Endocrinology, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, Shandong, China
| | - Tran D Dung
- School of Chinese Medicine, Vietnam Academy of Traditional Medicine, Ha Noi, Vietnam
| | - Dennis J-Y Hsieh
- Clinical Laboratory, School of Medical Laboratory and Biotechnology, Chung Shan Medical University Hospital, Chung Shan Medical University, Taichung, Taiwan
| | | | - Cecilia H Day
- Department of Nursing, MeiHo University, Pingtung, Taiwan
| | - Yueh-Min Lin
- Department of Pathology, Changhua Christian Hospital, Changhua, Taiwan
| | - Chih-Yang Huang
- Department of Biotechnology, Asia University, Taichung, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
- Cardiovascular and Mitochondrial Related Disease Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, 970, Taiwan
- Center of General Education, Buddhist Tzu Chi Medical Foundation, Tzu Chi University of Science and Technology, Hualien, 970, Taiwan
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Fu CY, Chen MC, Tseng YS, Chen MC, Zhou Z, Yang JJ, Lin YM, Viswanadha VP, Wang G, Huang CY. Fisetin activates Hippo pathway and JNK/ERK/AP-1 signaling to inhibit proliferation and induce apoptosis of human osteosarcoma cells via ZAK overexpression. Environ Toxicol 2019; 34:902-911. [PMID: 31044527 DOI: 10.1002/tox.22761] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 03/28/2019] [Accepted: 04/14/2019] [Indexed: 06/09/2023]
Abstract
Osteosarcoma (OS) is a tumor entity that can cause a large number of cancer-related deaths. Although chemotherapy can decrease proliferation and increase apoptosis of human OS cells, the clinical prognosis remains poor. Fisetin is a flavonol found in fruits and vegetables and is reported to inhibit cell growth in numerous cancers. But the molecular mechanism underlying fisetin in human OS cells is not clear. It is known that sterile-alpha motif and leucine zipper containing kinase (ZAK), a kinase in the MAP3K family, is involved in various cell processes, including proliferation and apoptosis. In our lab, we have demonstrated that overexpression of ZAK can induce apoptosis in human OS cells. In the previous studies, MAP4K, the upstream of MAP3K, can act in parallel to MST1/2 to activate LATS1/2 in the Hippo pathway. Turning on the Hippo pathway can decrease proliferation and otherwise cause cell apoptosis in cancer cells. In this study, we found that fisetin can upregulate ZAK expression to induce the Hippo pathway and mediate the activation of JNK/ERK, the downstream of ZAK, to trigger cell apoptosis via AP-1 dependent manner in human OS cells. These findings reveal a novel molecular mechanism underlying fisetin effect on human OS cells.
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Affiliation(s)
- Chien-Yao Fu
- Department of Orthopaedics, National Defense Cental Medical Center, Taipei, Taiwan
- Department of Orthopaedics, Taichung Armed Forces General Hospital, Taichung, Taiwan
| | - Mei-Chih Chen
- Medical Center for Exosomes and Mitochondria Related Diseases, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Yan-Shen Tseng
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan
| | - Ming-Cheng Chen
- Division of Colorectal Surgery, Department of Surgery, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Zhengtao Zhou
- Department of Oncological Medicine, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, Guangdong, China
| | - Jaw-Ji Yang
- School of Dentistry, Chung-Shan Medical University, Taichung, Taiwan
| | - Yueh-Min Lin
- Department of Pathology, Changhua Christian Hospital, Changhua, Taiwan
| | | | - Guiqing Wang
- Department of Orthopedics, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, Guangdong, China
| | - Chih-Yang Huang
- College of Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Tzu Chi University, Hualien, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
- Department of Biotechnology, Asia University, Taichung, Taiwan
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Chao CN, Lo JF, Khan FB, Day CH, Lai CH, Chen CH, Chen RJ, Viswanadha VP, Kuo CH, Huang CY. Tid1-S attenuates LPS-induced cardiac hypertrophy and apoptosis through ER-a mediated modulation of p-PI3K/p-Akt signaling cascade. J Cell Biochem 2019; 120:16703-16710. [PMID: 31081962 DOI: 10.1002/jcb.28928] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 03/02/2019] [Accepted: 03/15/2019] [Indexed: 11/08/2022]
Abstract
Myocardial dysfunction is clinically relevant? repercussion that follows sepsis. Tid 1 protein has been implicated in many biological process. However, the role of Tid 1 in lipopolysaccharide (LPS)-induced cardiomyocyte hypertrophy and apoptosis remains elusive. In the current research endeavor, we have elucidated the role of Tid1-S on LPS-induced cardiac hypertrophy and apoptosis. Interestingly, we found that overexpression of Tid1-S suppressed TLR-4, NFATc3, and BNP protein expression which eventually led to inhibition of LPS-induced cardiac hypertrophy. Moreover, Tid1-S overexpression attenuated cellular apoptosis and activated survival proteins p-PI3K and pser473 Akt. Besides this, Tid1-S overexpression enhanced ER-a protein expression. Collectively, our data suggest that Tid1-S plausibly enhance ER-a protein and further activate p-PI3K and p ser473 Akt survival protein expression; which thereby led to attenuation of LPS-induced apoptosis in cardiomyoblast cells. Interestingly, our data suggest that Tid1-S is involved in attenuation of cardiomyoblast cells damages induced by LPS.
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Affiliation(s)
- Chun-Nun Chao
- Department of Biotechnology, Asia University, Taichung, Taiwan.,Department of Pediatrics, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi, Taiwan
| | - Jeng-Fan Lo
- Institute of Oral Biology, National Yang-Ming University, Taipei, Taiwan
| | - Farheen B Khan
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan
| | - Cecilia H Day
- Department of Nursing, MeiHo University, Pingtung, Taiwan
| | - Chao-Hung Lai
- Division of Cardiology, Department of Internal Medicine, Armed Force Taichung, General Hospital, Taichung, Taiwan
| | - Chia-Hua Chen
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan
| | - Ray-Jade Chen
- Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | | | - Chia-Hua Kuo
- Department of Sports Sciences, University of Taipei, Taipei, Taiwan
| | - Chih-Yang Huang
- Department of Biotechnology, Asia University, Taichung, Taiwan.,Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan.,College of Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Tzu Chi University, Hualien, Taiwan.,Medical Research Center For Exosomes and Mitochondria Related Diseases, China Medical University Hospital, Taichung, Taiwan
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Rajendran P, Chen YF, Chen YF, Chung LC, Tamilselvi S, Shen CY, Day CH, Chen RJ, Viswanadha VP, Kuo WW, Huang CY. The multifaceted link between inflammation and human diseases. J Cell Physiol 2018; 233:6458-6471. [PMID: 29323719 DOI: 10.1002/jcp.26479] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 01/03/2018] [Indexed: 12/21/2022]
Abstract
Increasing reports on epidemiological, diagnostic, and clinical studies suggest that dysfunction of the inflammatory reaction results in chronic illnesses such as cancer, arthritis, arteriosclerosis, neurological disorders, liver diseases, and renal disorders. Chronic inflammation might progress if injurious agent persists; however, more typically than not, the response is chronic from the start. Distinct to most changes in acute inflammation, chronic inflammation is characterized by the infiltration of damaged tissue by mononuclear cells like macrophages, lymphocytes, and plasma cells, in addition to tissue destruction and attempts to repair. Phagocytes are the key players in the chronic inflammatory response. However, the important drawback is the activation of pathological phagocytes, which might result from continued tissue damage and lead to harmful diseases. The longer the inflammation persists, the greater the chance for the establishment of human diseases. The aim of this review was to focus on advances in the understanding of chronic inflammation and to summarize the impact and involvement of inflammatory agents in certain human diseases.
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Affiliation(s)
- Peramaiyan Rajendran
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan
| | - Ya-Fang Chen
- Department of Obstetrics and Gynecology, Taichung Veteran's General Hospital, Taichung, Taiwan.,Division of Cardiology, China Medical University Hospital, Taichung, Taiwan
| | - Yu-Feng Chen
- Section of Cardiology, Yuan Rung Hospital, Yuanlin, Taiwan
| | - Li-Chin Chung
- Department of Hospital and Health Care Administration, Chia Nan University of Pharmacy and Science, Tainan County, Taiwan
| | - Shanmugam Tamilselvi
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan
| | - Chia-Yao Shen
- Department of Nursing, MeiHo University, Pingtung, Taiwan
| | | | - Ray-Jade Chen
- Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | | | - Wei-Wen Kuo
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan
| | - Chih-Yang Huang
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan.,School of Chinese Medicine, China Medical University, Taichung, Taiwan.,Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan
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