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Koirala S, Samanta S, Kar P. Identification of inhibitors for neurodegenerative diseases targeting dual leucine zipper kinase through virtual screening and molecular dynamics simulations. SAR AND QSAR IN ENVIRONMENTAL RESEARCH 2024:1-26. [PMID: 38855951 DOI: 10.1080/1062936x.2024.2363195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Accepted: 05/28/2024] [Indexed: 06/11/2024]
Abstract
Neurodegenerative diseases lead to a gradual decline in cognitive and motor functions due to the progressive loss of neurons in the central nervous system. The role of dual leucine zipper kinase (DLK) in regulating stress responses and neuronal death pathways highlights its significance as a target against neurodegenerative diseases. The non-availability of FDA-approved drugs emphasizes a need to identify novel DLK-inhibitors. We screened NPAtlas (Natural products) and MedChemExpress (FDA-approved) libraries to identify potent ATP-competitive DLK inhibitors. ADMET analyses identified four compounds (two natural products and two FDA-approved) with favourable features. Subsequently, we performed molecular dynamics simulations to examine the binding-stability and ligand-induced conformational dynamics. Molecular mechanics Poisson Boltzmann surface area (MM-PBSA) calculations demonstrated CID139591660, dithranol, and danthron having greater affinity, while CID156581477 showed lower affinity than control sunitinib. PCA and network analysis results indicated structural and network alteration post-ligand binding. Furthermore, we identified an analogue of CID156581477 using the deep learning-based web server DeLA Drug which demonstrated a higher affinity than its parent compound and the control and identified several crucial interacting residues. Overall, our study provides significant theoretical guidance for designing potent novel DLK inhibitors and compounds that could emerge as promising drug candidates against DLK following laboratory validation.
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Affiliation(s)
- S Koirala
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology Indore, Indore, India
| | - S Samanta
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology Indore, Indore, India
| | - P Kar
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology Indore, Indore, India
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Amini R, Moradi S, Najafi R, Mazdeh M, Taherkhani A. BACE1 Inhibition Utilizing Organic Compounds Holds Promise as a Potential Treatment for Alzheimer's and Parkinson's Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2024; 2024:6654606. [PMID: 38425997 PMCID: PMC10904208 DOI: 10.1155/2024/6654606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 08/14/2023] [Accepted: 11/08/2023] [Indexed: 03/02/2024]
Abstract
Background Neurological disorders like Alzheimer's disease (AD) and Parkinson's disease (PD) manifest through gradually deteriorating cognitive functions. An encouraging strategy for addressing these disorders involves the inhibition of precursor-cleaving enzyme 1 (BACE1). Objectives In the current research, a virtual screening technique was employed to identify potential BACE1 inhibitors among selected herbal isolates. Methods This study evaluated 79 flavonoids, anthraquinones (AQs), and cinnamic acid derivatives for their potential blood-brain barrier (BBB) permeability. Using the AutoDock 4.0 tool, molecular docking analysis was conducted to determine the binding affinity of BBB permeable compounds to the BACE1 active site. Molecular dynamics (MD) simulations were performed to assess the stability of the docked poses of the most potent inhibitors. The interactions between the most effective plant-based inhibitors and the residues within the BACE1 catalytic site were examined before and after MD simulations. Results Ponciretin, danthron, chrysophanol, and N-p-coumaroyltyramine were among the highest-ranking BACE1 inhibitors, with inhibition constant values calculated in the nanomolar range. Furthermore, during 10 ns simulations, the docked poses of these ligands were observed to be stable. Conclusion The findings propose that ponciretin, danthron, chrysophanol, and N-p-coumaroyltyramine might serve as potential choices for the treatment of AD and PD, laying the groundwork for the creation of innovative BACE1 inhibitors.
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Affiliation(s)
- Razieh Amini
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Shadi Moradi
- Department of Medical Immunology, School of Medicine, Hamadan University of Medical Science, Hamadan, Iran
| | - Rezvan Najafi
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mehrdokht Mazdeh
- Hearing Disorders Research Cerner, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Amir Taherkhani
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
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Vidal I, Torres-Vargas JA, Sánchez JM, Trigal M, García-Caballero M, Medina MÁ, Quesada AR. Danthron, an Anthraquinone Isolated from a Marine Fungus, Is a New Inhibitor of Angiogenesis Exhibiting Interesting Antitumor and Antioxidant Properties. Antioxidants (Basel) 2023; 12:antiox12051101. [PMID: 37237967 DOI: 10.3390/antiox12051101] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/05/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023] Open
Abstract
The role played by a sustained angiogenesis in cancer and other diseases stimulates the interest in the search for new antiangiogenic drugs. In this manuscript, we provide evidence that 1,8- dihydroxy-9,10-anthraquinone (danthron), isolated from the fermentation broth of the marine fungus Chromolaenicola sp. (HL-114-33-R04), is a new inhibitor of angiogenesis. The results obtained with the in vivo CAM assay indicate that danthron is a potent antiangiogenic compound. In vitro studies with human umbilical endothelial cells (HUVEC) reveal that this anthraquinone inhibits certain key functions of activated endothelial cells, including proliferation, proteolytic and invasive capabilities and tube formation. In vitro studies with human breast carcinoma MDA-MB231 and fibrosarcoma HT1080 cell lines suggest a moderate antitumor and antimetastatic activity of this compound. Antioxidant properties of danthron are evidenced by the observation that it reduces the intracellular reactive oxygen species production and increases the amount of intracellular sulfhydryl groups in endothelial and tumor cells. These results support a putative role of danthron as a new antiangiogenic drug with potential application in the treatment and angioprevention of cancer and other angiogenesis-dependent diseases.
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Affiliation(s)
- Isabel Vidal
- Department of Molecular Biology and Biochemistry, Faculty of Sciences, University of Málaga, Andalucía Tech, and IBIMA Plataforma BIONAND, E-29071 Málaga, Spain
| | - José Antonio Torres-Vargas
- Department of Molecular Biology and Biochemistry, Faculty of Sciences, University of Málaga, Andalucía Tech, and IBIMA Plataforma BIONAND, E-29071 Málaga, Spain
| | - José María Sánchez
- Biomar Microbial Technologies, Parque Tecnológico de León, Parcela M-10.4, Armunia, 24009 León, Spain
| | - Mónica Trigal
- Biomar Microbial Technologies, Parque Tecnológico de León, Parcela M-10.4, Armunia, 24009 León, Spain
| | - Melissa García-Caballero
- Department of Molecular Biology and Biochemistry, Faculty of Sciences, University of Málaga, Andalucía Tech, and IBIMA Plataforma BIONAND, E-29071 Málaga, Spain
| | - Miguel Ángel Medina
- Department of Molecular Biology and Biochemistry, Faculty of Sciences, University of Málaga, Andalucía Tech, and IBIMA Plataforma BIONAND, E-29071 Málaga, Spain
- Unidad 741 de CIBER "de Enfermedades Raras", E-29071 Málaga, Spain
| | - Ana R Quesada
- Department of Molecular Biology and Biochemistry, Faculty of Sciences, University of Málaga, Andalucía Tech, and IBIMA Plataforma BIONAND, E-29071 Málaga, Spain
- Unidad 741 de CIBER "de Enfermedades Raras", E-29071 Málaga, Spain
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Poudel PB, Dhakal D, Magar RT, Sohng JK. Microbial Biosynthesis of Chrysazin Derivatives in Recombinant Escherichia coli and Their Biological Activities. Molecules 2022; 27:molecules27175554. [PMID: 36080320 PMCID: PMC9457698 DOI: 10.3390/molecules27175554] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/23/2022] [Accepted: 08/24/2022] [Indexed: 11/20/2022] Open
Abstract
Anthraquinone and its derivatives show remarkable biological properties such as anticancer, antibacterial, antifungal, and antiviral activities. Hence, anthraquinones derivatives have been of prime interest in drug development. This study developed a recombinant Escherichia coli strain to modify chrysazin to chrysazin-8-O-α-l-rhamnoside (CR) and chrysazin-8-O-α-l-2′-O-methylrhamnoside (CRM) using rhamnosyl transferase and sugar-O-methyltransferase. Biosynthesized CR and CRM were structurally characterized using HPLC, high-resolution mass spectrometry, and various nuclear magnetic resonance analyses. Antimicrobial effects of chrysazin, CR, and CRM against 18 superbugs, including 14 Gram-positive and 4 Gram-negative pathogens, were investigated. CR and CRM exhibited antimicrobial activities against nine pathogens, including methicillin-resistant Staphylococcus aureus (MRSA) and methicillin-sensitive Staphylococcus aureus (MSSA) in a disk diffusion assay at a concentration of 40 µg per disk. There were MIC and MBC values of 7.81−31.25 µg/mL for CR and CRM against methicillin-sensitive S. aureus CCARM 0205 (MSSA) for which the parent chrysazin is more than >1000 µg/mL. Furthermore, the anti-proliferative properties of chrysazin, CR, and CRM were assayed using AGS, Huh7, HL60, and HaCaT cell lines. CR and CRM showed higher antibacterial and anticancer properties than chrysazin.
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Affiliation(s)
- Purna Bahadur Poudel
- Institute of Biomolecule Reconstruction (iBR), Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sun Moon-ro 221, Tangjeong-myeon, Asan-si 31460, Chungnam, Korea
| | - Dipesh Dhakal
- Institute of Biomolecule Reconstruction (iBR), Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sun Moon-ro 221, Tangjeong-myeon, Asan-si 31460, Chungnam, Korea
| | - Rubin Thapa Magar
- Institute of Biomolecule Reconstruction (iBR), Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sun Moon-ro 221, Tangjeong-myeon, Asan-si 31460, Chungnam, Korea
| | - Jae Kyung Sohng
- Institute of Biomolecule Reconstruction (iBR), Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sun Moon-ro 221, Tangjeong-myeon, Asan-si 31460, Chungnam, Korea
- Department of Biotechnology and Pharmaceutical Engineering, Sun Moon University, 70 Sun Moon-ro 221, Tangjeong-myeon, Asan-si 31460, Chungnam, Korea
- Correspondence: ; Tel.: +82-(41)-530-2246; Fax: +82-(41)-530-8229
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Novel therapeutic strategies and perspectives for pancreatic cancer: Autophagy and apoptosis are key mechanisms to fight pancreatic cancer. Med Oncol 2021; 38:74. [PMID: 34019188 DOI: 10.1007/s12032-021-01522-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 05/10/2021] [Indexed: 12/15/2022]
Abstract
Pancreatic cancer (PC) is the most lethal malignancy of the gastrointestinal tract. The poor prognosis of patients with PC is primarily due to lack of effective treatments against its progressive and metastatic behavior. Hence, figuring out the mechanisms underlying PC development and putting up with effective targeted therapies are of great significance to improve the prognosis of patients with PC. Apoptosis and autophagy serve to maintain tissue homoeostasis. Escaping from apoptosis or autophagy is one of the features of malignancy. PC is seriously resistant to autophagy and apoptosis, which explains its invasiveness and resistance to conventional treatment. Recently, several biological activities and pharmacological functions found in natural product extracts have been reported to inhibit PC progression. The current review focuses on understanding natural product extracts and their derivatives as one kind of novel treatments through affecting the apoptosis or autophagy in PC.
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Neuroprotective Effects of Anthraquinones from Rhubarb in Central Nervous System Diseases. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 2019:3790728. [PMID: 31223328 PMCID: PMC6541978 DOI: 10.1155/2019/3790728] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 04/21/2019] [Indexed: 12/21/2022]
Abstract
Rhubarb is a well-known traditional Chinese medicine; it has been used in China for thousands of years. Rhubarb anthraquinones are the major medicinal ingredients derived from rhubarb including emodin, aloe-emodin, chrysophanol, rhein, physcion, and danthron. These different anthraquinone derivatives alone or in combination play a therapeutic role in central nervous system diseases (CNSD), such as cerebral ischemic stroke, intracerebral hemorrhage, traumatic brain injury, brain tumor, Alzheimer's disease, depression, and others. We review the experimental studies on these six anthraquinones in the treatment of CNSD by consulting literature published in the last 20 years in PubMed and then give a future perspective on it. In the end of this paper some deficiencies related to these studies also have been pointed out.
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Chen H, Zhao C, He R, Zhou M, Liu Y, Guo X, Wang M, Zhu F, Qin R, Li X. Danthron suppresses autophagy and sensitizes pancreatic cancer cells to doxorubicin. Toxicol In Vitro 2018; 54:345-353. [PMID: 30389604 DOI: 10.1016/j.tiv.2018.10.019] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 10/28/2018] [Accepted: 10/29/2018] [Indexed: 12/21/2022]
Abstract
In contrast to the steady increase in survival observed for most cancer types, advances have been slow for pancreatic cancers. Current chemotherapy has limited benefits for patients with pancreatic cancer. Therefore, there is an urgent need for effective pancreatic cancer treatment strategies. At present, targeting the autophagic pathway is regarded as a promising new strategy for cancer treatment. Danthron (1,8-dihydroxyanthrquinone), a component from Rheum palmatum L. (polygonaceae), has several biological activities. However, the inhibition of autophagy by danthron has never been recognized, previously.Here we find that danthron may prevent autophagy, inhibit proliferation and induce apoptosis in pancreatic cancer cells in vitro. Autophagy induced by doxorubicin plays a protective role in pancreatic cancer cells and inhibition of autophagy by chloroquine or silencing autophagy protein 5 (Atg5) may chemosensitize pancreatic cancer cell lines to doxorubicin. Similarly, inhibition of autophagy by danthron also enhances toxicity of doxorubicin to pancreatic cancer cells. These results indicate that danthron has an anticancer effect and can sensitize the chemotherapeutic effect of doxorubicin on pancreatic cancer cells. These findings also suggest that inhibition of autophagy may be an effective way to promote the chemotherapy of pancreatic cancer.
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Affiliation(s)
- Hua Chen
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Chunle Zhao
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Ruizhi He
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Min Zhou
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yuhui Liu
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xingjun Guo
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Min Wang
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Feng Zhu
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Renyi Qin
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Xu Li
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
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Chou YT, Hsu FF, Hu DY, Chen YC, Hsu YH, Hsu JTA, Chau LY. Identification of danthron as an isoform-specific inhibitor of HEME OXYGENASE-1/cytochrome P450 reductase interaction with anti-tumor activity. J Biomed Sci 2018; 25:6. [PMID: 29361943 PMCID: PMC5781335 DOI: 10.1186/s12929-018-0411-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 01/17/2018] [Indexed: 11/10/2022] Open
Abstract
Background Heme oxygenase (HO) catalyzes NADPH-dependent degradation of heme to liberate iron, carbon monoxide and biliverdin. The interaction between HO and cytochrome P450 reductase (CPR), an electron donor, is essential for HO activity. HO-1 is a stress-inducible isoform whereas HO-2 is constitutively expressed. HO-1 induction is commonly seen in cancers and impacts disease progression, supporting the possibility of targeting HO-1 for cancer therapy. Methods We employed a cell-based bioluminescence resonance energy transfer assay to screen compounds with ability to inhibit HO-1/CPR interaction. The effect of the identified compound on HO-1/CPR interaction was confirmed by pull down assay. Moreover, the anti-tumorigenic activity of the identified compound on HO-1-enhanced tumor growth and migration was assessed by trypan blue exclusion method and wound healing assay. Results Danthron was identified as an effective small molecule able to interfere with the interaction between HO-1 and CPR but not HO-2 and CPR. Additional experiments with structural analogues of danthron revealed that the positions of hydroxyl moieties significantly affected the potency of inhibition on HO-1/CPR interaction. Pull-down assay confirmed that danthron inhibited the interaction of CPR with HO-1 but not HO-2. Danthron suppressed growth and migration of HeLa cells with stable HO-1 overexpression but not mock cells. In contrast, anthrarufin, a structural analog with no ability to interfere HO-1/CPR interaction, exhibited no significant effect on HO-1-overexpressing HeLa cells. Conclusions These findings demonstrate that danthron is an isoform-specific inhibitor for HO-1/CPR interaction and may serve as a lead compound for novel anticancer drug.
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Affiliation(s)
- Yi-Tai Chou
- Institute of Biomedical Sciences, Academia Sinica, No.128, Sec. II, Academy Rd. Taipei 115, Taipei, Taiwan
| | - Fu-Fei Hsu
- Institute of Biomedical Sciences, Academia Sinica, No.128, Sec. II, Academy Rd. Taipei 115, Taipei, Taiwan
| | - Dun-Yao Hu
- Institute of Biomedical Sciences, Academia Sinica, No.128, Sec. II, Academy Rd. Taipei 115, Taipei, Taiwan
| | - Ying-Chih Chen
- Department of Chemistry, Tunghai University, Taichung, Taiwan.,Life Science Research Center, Tunghai University, Taichung, Taiwan
| | - Yuan-Hao Hsu
- Department of Chemistry, Tunghai University, Taichung, Taiwan.,Life Science Research Center, Tunghai University, Taichung, Taiwan
| | - John T-A Hsu
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Zhunan, Miaoli County, Taiwan
| | - Lee-Young Chau
- Institute of Biomedical Sciences, Academia Sinica, No.128, Sec. II, Academy Rd. Taipei 115, Taipei, Taiwan.
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Lin JJ, Hsu SC, Lu KW, Ma YS, Wu CC, Lu HF, Chen JC, Lin JG, Wu PP, Chung JG. Alpha-phellandrene-induced apoptosis in mice leukemia WEHI-3 cells in vitro. ENVIRONMENTAL TOXICOLOGY 2016; 31:1640-1651. [PMID: 26174008 DOI: 10.1002/tox.22168] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Revised: 06/18/2015] [Accepted: 06/27/2015] [Indexed: 06/04/2023]
Abstract
Although reports have shown that α-phellandrene (α-PA) is one of the monoterpenes and is often used in the food and perfume industry, our previous studies have indicated that α-PA promoted immune responses in normal mice in vivo. However, there is no available information to show that α-PA induced cell apoptosis in cancer cells, thus, we investigated the effects of α-PA on the cell morphology, viability, cell cycle distribution, and apoptosis in mice leukemia WEHI-3 cells in vitro. Results indicated that α-PA induced cell morphological changes and decreased viability, induced G0/G1 arrest and sub-G1 phase (apoptosis) in WEHI-3 cells. α-PA increased the productions of reactive oxygen species (ROS) and Ca2+ and decreased the levels of mitochondrial membrane potential (ΔΨm ) in dose- and time-dependent manners in WEHI-3 cells that were analyzed by flow cytometer. Results from confocal laser microscopic system examinations show that α-PA promoted the release of cytochrome c, AIF, and Endo G from mitochondria in WEHI-3 cells. These results are the first findings to provide new information for understanding the mechanisms by which α-PA induces cell cycle arrest and apoptosis in WEHI-3 cells in vitro. © 2015 Wiley Periodicals, Inc. Environ Toxicol 31: 1640-1651, 2016.
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Affiliation(s)
- Jen-Jyh Lin
- Graduate Institute of Chinese Medicine, China Medical University, Taichung, 404, Taiwan
- Division of Cardiology, China Medical University Hospital, Taichung, 404, Taiwan
| | - Shu-Chun Hsu
- Department of Biological Science and Technology, China Medical University, Taichung, 404, Taiwan
| | - Kung-Wen Lu
- College of Chinese Medicine, School of Post-Baccalaureate Chinese Medicine, China Medical University, Taichung, 404, Taiwan
| | - Yi-Shih Ma
- School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung, 84001, Taiwan
- Department of Chinese Medicine, E-Da Hospital, Kaohsiung, 82445, Taiwan
| | - Chih-Chung Wu
- Department of Nutrition and Health Science, Chang Jung Christian University, Tainan, 711, Taiwan
| | - Hsu-Feng Lu
- Department of Clinical Pathology, Cheng Hsin General Hospital, Taipei, 112, Taiwan
| | - Jaw-Chyun Chen
- Department of Medicinal Botany and Health Applications, Da-Yeh University, Changhua, 51591, Taiwan
| | - Jaung-Geng Lin
- Graduate Institute of Chinese Medicine, China Medical University, Taichung, 404, Taiwan
| | - Ping-Ping Wu
- School of Pharmacy, China Medical University, Taichung, 404, Taiwan.
| | - Jing-Gung Chung
- Department of Biological Science and Technology, China Medical University, Taichung, 404, Taiwan.
- Department of Biotechnology, Asia University, Taichung, 413, Taiwan, Republic of China.
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Lim W, Yang C, Bazer FW, Song G. Chrysophanol Induces Apoptosis of Choriocarcinoma Through Regulation of ROS and the AKT and ERK1/2 Pathways. J Cell Physiol 2016; 232:331-339. [DOI: 10.1002/jcp.25423] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Accepted: 05/09/2016] [Indexed: 12/11/2022]
Affiliation(s)
- Whasun Lim
- Department of Biotechnology and Institute of Animal Molecular Biotechnology; College of Life Sciences and Biotechnology; Korea University; Seoul Republic of Korea
| | - Changwon Yang
- Department of Biotechnology and Institute of Animal Molecular Biotechnology; College of Life Sciences and Biotechnology; Korea University; Seoul Republic of Korea
| | - Fuller W. Bazer
- Center for Animal Biotechnology and Genomics and Department of Animal Science; Texas A&M University; College Station Texas
| | - Gwonhwa Song
- Department of Biotechnology and Institute of Animal Molecular Biotechnology; College of Life Sciences and Biotechnology; Korea University; Seoul Republic of Korea
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11
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Guntuku L, Naidu VGM, Yerra VG. Mitochondrial Dysfunction in Gliomas: Pharmacotherapeutic Potential of Natural Compounds. Curr Neuropharmacol 2016; 14:567-83. [PMID: 26791479 PMCID: PMC4981742 DOI: 10.2174/1570159x14666160121115641] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 09/08/2015] [Accepted: 01/20/2016] [Indexed: 11/22/2022] Open
Abstract
Gliomas are the most common primary brain tumors either benign or malignant originating from the glial tissue. Glioblastoma multiforme (GBM) is the most prevalent and aggressive form among all gliomas, associated with decimal prognosis due to it`s high invasive nature. GBM is also characterized by high recurrence rate and apoptosis resistance features which make the therapeutic targeting very challenging. Mitochondria are key cellular organelles that are acting as focal points in diverse array of cellular functions such as cellular energy metabolism, regulation of ion homeostasis, redox signaling and cell death. Eventual findings of mitochondrial dysfunction include preference of glycolysis over oxidative phosphorylation, enhanced reactive oxygen species generation and abnormal mitochondria mediated apoptotic machinery are frequently observed in various malignancies including gliomas. In particular, gliomas harbor mitochondrial structure abnormalities, genomic mutations in mtDNA, altered energy metabolism (Warburg effect) along with mutations in isocitrate dehydrogenase (IDH) enzyme. Numerous natural compounds have shown efficacy in the treatment of gliomas by targeting mitochondrial aberrant signaling cascades. Some of the natural compounds directly target the components of mitochondria whereas others act indirectly through modulating metabolic abnormalities that are consequence of the mitochondrial dysfunction. The present review offers a molecular insight into mitochondrial pathology in gliomas and therapeutic mechanisms of some of the promising natural compounds that target mitochondrial dysfunction. This review also sheds light on the challenges and possible ways to overcome the hurdles associated with these natural compounds to enter into the clinical market.
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Affiliation(s)
| | - V G M Naidu
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Hyderabad, India.
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12
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Zhang L, Liang P, Zhang R. Impact of Mitochondria-Mediated Apoptosis in U251 Cell Cycle Arrest in G1 Stage and Caspase Activation. Med Sci Monit 2015; 21:3629-33. [PMID: 26594875 PMCID: PMC4662238 DOI: 10.12659/msm.894006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Most mitochondria-mediated apoptosis has some relevance to the cell cycle, but there is still a lack of investigations about U251 cell cycle in human brain glioma cells. In this study, we aimed to clarify the correlation of mitochondria-mediated apoptosis with the U251 cell cycle and its influence on apoptosis, through observing the impact of mitochondria-mediated apoptosis in U251cell specificity cycle arrest and Caspase activation. MATERIAL AND METHODS AnnexinV/PI and API were used to label the brain glioma cells for flow cytometry analysis of U251 cell apoptosis and cell cycle. RT-PCR and Western blot were performed to detect Caspase-3 and Caspase-9 activation. RESULTS Peripheral blood in stationary phase is not sensitive to apoptosis induction, but U251 cells have obvious apoptosis. Mitochondria-mediated apoptosis mainly occurs in the G1 phase of the cell cycle. Caspase-3 and Caspase-9 mRNAs and proteins expression increased significantly after the cells were treated by mitochondrial apoptosis-related gene Bax induction. CONCLUSIONS Mitochondria-mediated apoptosis is related to the U251 cell cycle with specific G1 stage arrest. Caspase activation occurs in the process of cell apoptosis.
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Affiliation(s)
- Lei Zhang
- Department of Neurosurgery, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, China (mainland)
| | - Peng Liang
- Department of Neurosurgery, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, China (mainland)
| | - Rui Zhang
- Department of Neurosurgery, Harbin Medical University Cancer Hospital, Harbin, China (mainland)
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Lu DY, Chen JH, Tan TW, Huang CY, Yeh WL, Hsu HC. Resistin protects against 6-hydroxydopamine-induced cell death in dopaminergic-like MES23.5 cells. J Cell Physiol 2013; 228:563-71. [PMID: 22806254 DOI: 10.1002/jcp.24163] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2011] [Accepted: 07/10/2012] [Indexed: 12/24/2022]
Abstract
Resistin is originally reported as an adipose tissue-specific hormone and is thought to represent a link between obesity and insulin-resistant diabetes. Adipokines exert energy-regulation and has been reported to have neuroprotective effect like leptin, adiponectin, and ghrelin. However, the role of resistin in neuroprotective effect has not been explored. 6-hydroxydopamine (6-OHDA), one of the most investigated Parkinson's disease neurotoxins, is widely used to study mechanisms of cell death in dopaminergic neurons. In the present study, our results show that treatment of resistin protects 6-OHDA-induced cell death in dopaminergic-like MES23.5 cells. Resistin also antagonizes 6-OHDA-induced apoptotic cell death measured by fluorescence-activated cell sorter (FACS) analysis and Hochest 33342 staining. Furthermore, treatment of resistin also dramatically reduces 6-OHDA-mediated ROS production and mitochondria transmembrane potential dissipation. Moreover, expression of 6-OHDA-induced apoptotic markers, such as Bcl-2 degradation, Bax expression, PARP degradation and caspase 3 activity increase, are all attenuated by resistin treatment. Our results also show that resistin induces up-regulation of heat shock protein (Hsp) 32 (heme oxygenase-1, HO-1) and Hsc (heat shock cognate) 70. The protective effect of resistin on 6-OHDA-induced cell death is abolished by HO-1 inhibitor zinc protoporphyrin IX and HSP inhibitor KNK437. These results suggest the neuroprotective effects of resistin against 6-OHDA-induced cell death with the underlying mechanisms of inhibiting oxidative stress and apoptosis. Therefore, we suggest that resistin may provide a useful therapeutic strategy for neurodegenerative diseases such as Parkinson's disease.
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Affiliation(s)
- Dah-Yuu Lu
- Graduate Institute of Neural and Cognitive Sciences, College of Life Sciences, China Medical University, Taichung, Taiwan.
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