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Borović Šunjić S, Jaganjac M, Vlainić J, Halasz M, Žarković N. Lipid Peroxidation-Related Redox Signaling in Osteosarcoma. Int J Mol Sci 2024; 25:4559. [PMID: 38674143 PMCID: PMC11050283 DOI: 10.3390/ijms25084559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 04/12/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Oxidative stress and lipid peroxidation play important roles in numerous physiological and pathological processes, while the bioactive products of lipid peroxidation, lipid hydroperoxides and reactive aldehydes, act as important mediators of redox signaling in normal and malignant cells. Many types of cancer, including osteosarcoma, express altered redox signaling pathways. Such redox signaling pathways protect cancer cells from the cytotoxic effects of oxidative stress, thus supporting malignant transformation, and eventually from cytotoxic anticancer therapies associated with oxidative stress. In this review, we aim to explore the status of lipid peroxidation in osteosarcoma and highlight the involvement of lipid peroxidation products in redox signaling pathways, including the involvement of lipid peroxidation in osteosarcoma therapies.
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Affiliation(s)
- Suzana Borović Šunjić
- Laboratory for Oxidative Stress, Division of Molecular Medicine, Ruder Boskovic Institute, Bijenicka 54, 10000 Zagreb, Croatia; (M.J.); (J.V.); (M.H.)
| | | | | | | | - Neven Žarković
- Laboratory for Oxidative Stress, Division of Molecular Medicine, Ruder Boskovic Institute, Bijenicka 54, 10000 Zagreb, Croatia; (M.J.); (J.V.); (M.H.)
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2
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Xu H, Wang Y, Rong X, Wang D, Xie J, Huang Z, Zeng W, Fu X, Li J, Zhou Z. Ingenious Synergy of a Pathology-Specific Biomimetic Multifunctional Nanoplatform for Targeted Therapy in Rheumatoid Arthritis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305197. [PMID: 37914665 DOI: 10.1002/smll.202305197] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 10/11/2023] [Indexed: 11/03/2023]
Abstract
Based on the pathological characteristics of rheumatoid arthritis, including the overproduction of reactive oxygen species (ROS), inflammatory responses, and osteoclast differentiation, a biomimetic multifunctional nanomedicine (M-M@I) is designed. Iguratimod (IGU) is loaded, which inhibits inflammatory responses and osteoclast differentiation, into mesoporous polydopamine (MPDA), which scavenges ROS. Subsequently, the nanoparticles are coated with a cell membrane of macrophages to achieve actively targeted delivery of the nanoparticles to inflamed joints. It is shown that the M-M@I nanoparticles are taken up well by lipopolysaccharide-induced RAW 264.7 macrophages or bone marrow-derived macrophages (BMDMs). In vitro, the M-M@I nanoparticles effectively scavenge ROS, downregulate genes related to inflammation promotion and osteoclast differentiation, and reduce the proinflammatory cytokines and osteoclast-related enzymes. They also reduce the polarization of macrophages to a pro-inflammatory M1 phenotype and inhibit differentiation into osteoclasts. In mice with collagen-induced arthritis, the M-M@I nanoparticles accumulate at arthritic sites and circulate longer, significantly mitigating arthritis symptoms and bone destruction. These results suggest that the pathology-specific biomimetic multifunctional nanoparticles are effective against rheumatoid arthritis, and they validate the approach of developing multifunctional therapies that target various pathological processes simultaneously.
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Affiliation(s)
- Hong Xu
- Department of Orthopedic Surgery and Orthopedic Research Institution, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Yuemin Wang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Xiao Rong
- Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Duan Wang
- Department of Orthopedic Surgery and Orthopedic Research Institution, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jinwei Xie
- Department of Orthopedic Surgery and Orthopedic Research Institution, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zeyu Huang
- Department of Orthopedic Surgery and Orthopedic Research Institution, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Weinan Zeng
- Department of Orthopedic Surgery and Orthopedic Research Institution, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xiaoxue Fu
- Department of Orthopedic Surgery and Orthopedic Research Institution, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jianshu Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Med-X Center for Materials, Sichuan University, Chengdu, 610041, China
| | - Zongke Zhou
- Department of Orthopedic Surgery and Orthopedic Research Institution, West China Hospital, Sichuan University, Chengdu, 610041, China
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Li L, Shi J, Liu W, Luo Y, Gao S, Liu JX. Copper overload induces apoptosis and impaired proliferation of T cell in zebrafish. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2024; 267:106808. [PMID: 38159456 DOI: 10.1016/j.aquatox.2023.106808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 12/14/2023] [Accepted: 12/18/2023] [Indexed: 01/03/2024]
Abstract
Copper is an essential biometal for cell development and function, however, unbalanced copper homeostasis in T cell development and the underlying mechanisms are largely unexplored. Here, we use a zebrafish model to investigate the effect of copper overload in T cell development. We show that copper stressed zebrafish larvae exhibit a significant reduction in T cells with increased cell apoptosis and impaired cell proliferation. T cell progenitors, hematopoietic stem and progenitor cells, also exhibit increased cell apoptosis. Copper overload induces production of ROS and the down-regulations of its resistance genes foxos, and ectopic expression of foxo3a, ROS scavenger GSH, could both effectively rescue the reduction of T cells in copper overload larvae. Moreover, foxm1-cytoskeleton axis, parallel to ROS-foxo axis, also mediates the copper overload induced T cell developmental defects. Meanwhile, ROS destroys expression of cytoskeleton rather than of foxm1 in the cells to induce cell apoptosis and the impaired proliferation. The functional integrity of copper transporters cox17 and atp7b are required for copper stress in inducing T cell apoptosis and proliferation impairment. Our findings demonstrate that the down-stream ROS-foxo/cytoskeleton and foxm1-cytoskeleton signaling pathways contribute jointly to copper overload induced T cell apoptosis and proliferation defects, which are depend on the integral function of Cox17 and Atp7b, and provide new insight into the copper homeostasis in T lymphocyte development.
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Affiliation(s)
- LingYa Li
- Key Laboratory of Freshwater Animal Breeding, College of Fisheries, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - JiaHao Shi
- Key Laboratory of Freshwater Animal Breeding, College of Fisheries, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - WenYe Liu
- Key Laboratory of Freshwater Animal Breeding, College of Fisheries, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Yi Luo
- Key Laboratory of Freshwater Animal Breeding, College of Fisheries, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Sheng Gao
- Key Laboratory of Freshwater Animal Breeding, College of Fisheries, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Jing-Xia Liu
- Key Laboratory of Freshwater Animal Breeding, College of Fisheries, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, Hubei 430070, China.
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4
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Ray SK, Jayashankar E, Kotnis A, Mukherjee S. Oxidative versus Reductive Stress in Breast Cancer Development and Cellular Mechanism of Alleviation: A Current Perspective with Anti-breast Cancer Drug Resistance. Curr Mol Med 2024; 24:205-216. [PMID: 36892117 DOI: 10.2174/1566524023666230309112751] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 01/27/2023] [Accepted: 01/31/2023] [Indexed: 03/10/2023]
Abstract
Redox homeostasis is essential for keeping our bodies healthy, but it also helps breast cancer cells grow, stay alive, and resist treatment. Changes in the redox balance and problems with redox signaling can make breast cancer cells grow and spread and make them resistant to chemotherapy and radiation therapy. Reactive oxygen species/reactive nitrogen species (ROS/RNS) generation and the oxidant defense system are out of equilibrium, which causes oxidative stress. Many studies have shown that oxidative stress can affect the start and spread of cancer by interfering with redox (reduction-oxidation) signaling and damaging molecules. The oxidation of invariant cysteine residues in FNIP1 is reversed by reductive stress, which is brought on by protracted antioxidant signaling or mitochondrial inactivity. This permits CUL2FEM1B to recognize its intended target. After the proteasome breaks down FNIP1, mitochondrial function is restored to keep redox balance and cell integrity. Reductive stress is caused by unchecked amplification of antioxidant signaling, and changes in metabolic pathways are a big part of breast tumors' growth. Also, redox reactions make pathways like PI3K, PKC, and protein kinases of the MAPK cascade work better. Kinases and phosphatases control the phosphorylation status of transcription factors like APE1/Ref-1, HIF-1, AP-1, Nrf2, NF-B, p53, FOXO, STAT, and - catenin. Also, how well anti-breast cancer drugs, especially those that cause cytotoxicity by making ROS, treat patients depends on how well the elements that support a cell's redox environment work together. Even though chemotherapy aims to kill cancer cells, which it does by making ROS, this can lead to drug resistance in the long run. The development of novel therapeutic approaches for treating breast cancer will be facilitated by a better understanding of the reductive stress and metabolic pathways in tumor microenvironments.
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Affiliation(s)
- Suman Kumar Ray
- Independent Researcher, Bhopal, Madhya Pradesh, 462020, India
| | - Erukkambattu Jayashankar
- Department of Pathology & Lab Medicine, All India Institute of Medical Sciences-Bhopal, Saket Nagar, Bhopal, Madhya Pradesh, 462020, India
| | - Ashwin Kotnis
- Department of Biochemistry, All India Institute of Medical Sciences-Bhopal, Saket Nagar, Bhopal, Madhya Pradesh, 462020, India
| | - Sukhes Mukherjee
- Department of Biochemistry, All India Institute of Medical Sciences-Bhopal, Saket Nagar, Bhopal, Madhya Pradesh, 462020, India
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Maharati A, Samsami Y, Latifi H, Tolue Ghasaban F, Moghbeli M. Role of the long non-coding RNAs in regulation of Gemcitabine response in tumor cells. Cancer Cell Int 2023; 23:168. [PMID: 37580768 PMCID: PMC10426205 DOI: 10.1186/s12935-023-03004-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 07/26/2023] [Indexed: 08/16/2023] Open
Abstract
Chemotherapy is widely used as one of the first line therapeutic methods in cancer patients. However, chemotherapeutic resistance is one of the most common problems in cancer patients, which leads to the therapeutic failure and tumor relapse. Considering the side effects of chemotherapy drugs in normal tissues, it is required to investigate the molecular mechanisms involved in drug resistance to improve the therapeutic strategies in cancer patients. Long non-coding RNAs (lncRNAs) have pivotal roles in regulation of cellular processes associated with drug resistance. LncRNAs deregulations have been frequently reported in a wide range of chemo-resistant tumors. Gemcitabine (GEM) as a nucleoside analog has a wide therapeutic application in different cancers. However, GEM resistance is considered as a therapeutic challenge. Considering the role of lncRNAs in the occurrence of GEM resistance, in the present review we discussed the molecular mechanisms of lncRNAs in regulation of GEM response among cancer patients. It has been reported that lncRNAs have mainly an oncogenic role as the inducers of GEM resistance through direct or indirect regulation of transcription factors, autophagy, polycomb complex, and signaling pathways such as PI3K/AKT, MAPK, WNT, JAK/STAT, and TGF-β. This review paves the way to present the lncRNAs as non-invasive markers to predict GEM response in cancer patients. Therefore, lncRNAs can be introduced as the efficient markers to reduce the possible chemotherapeutic side effects in GEM resistant cancer patients and define a suitable therapeutic strategy among these patients.
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Affiliation(s)
- Amirhosein Maharati
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Yalda Samsami
- Department of Medical Genetics and Molecular Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hanieh Latifi
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Faezeh Tolue Ghasaban
- Department of Medical Genetics and Molecular Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Meysam Moghbeli
- Department of Medical Genetics and Molecular Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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Lan J, Wang Y, Yue S, Xu D, Li Y, Peng X, Hu J, Ju E, He S, Li T. Targeting FoxO proteins induces lytic reactivation of KSHV for treating herpesviral primary effusion lymphoma. PLoS Pathog 2023; 19:e1011581. [PMID: 37594999 PMCID: PMC10468091 DOI: 10.1371/journal.ppat.1011581] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 08/30/2023] [Accepted: 07/27/2023] [Indexed: 08/20/2023] Open
Abstract
Kaposi's sarcoma-associated herpesvirus (KSHV) is an oncogenic virus consisting of both latent and lytic life cycles. Primary effusion lymphoma (PEL) is an aggressive B-cell lineage lymphoma, dominantly latently infected by KSHV. The latent infection of KSHV is persistent and poses an obstacle to killing tumor cells. Like the "shock and kill" strategy designed to eliminate latent HIV reservoir, methods that induce viral lytic reactivation in tumor latently infected by viruses represent a unique antineoplastic strategy, as it could potentially increase the specificity of cytotoxicity in cancer. Inspired by this conception, we proposed that the induction of KSHV lytic reactivation from latency could be a potential therapeutic stratagem for KSHV-associated cancers. Oxidative stress, the clinical hallmark of PEL, is one of the most prominent inducers for KSHV reactivation. Paradoxically, we found that hydrogen peroxide (H2O2) triggers robust cytotoxic effects on KSHV-negative rather than KSHV-positive B lymphoma cells in a dose-dependent manner. Mechanistically, we identified forkhead box protein O1 (FoxO1) and FoxO3 as irrevocable antioxidant defense genes and both of them are upregulated by KSHV latent infection, which is essential for the promoted ROS scavenging in KSHV-positive B lymphoma cells. Pharmacological inhibition or functional knockdown of either FoxO1 or FoxO3 is sufficient to ablate the antioxidant ability and therefore increases the intracellular ROS level that further reverses KSHV from latency to active lytic replication in PEL cells, resulting in tremendous cell death both in vitro and in vivo. Additionally, the elevated level of ROS by inhibiting FoxO proteins further sensitizes PEL cells to ROS-induced apoptosis. Our study therefore demonstrated that the lytic reactivation of KSHV by inhibiting FoxO proteins is a promising therapeutic approach for PEL, which could be further extended to other virus-associated diseases.
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Affiliation(s)
- Jungang Lan
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
| | - Yeqing Wang
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
| | - Shusheng Yue
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
| | - Duo Xu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
| | - Yinan Li
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
| | - Xiangyu Peng
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
| | - Jiao Hu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
| | - Enguo Ju
- Center for Nanomedicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Shanping He
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
| | - Tingting Li
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
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Ghareghomi S, Moosavi-Movahedi F, Saso L, Habibi-Rezaei M, Khatibi A, Hong J, Moosavi-Movahedi AA. Modulation of Nrf2/HO-1 by Natural Compounds in Lung Cancer. Antioxidants (Basel) 2023; 12:antiox12030735. [PMID: 36978983 PMCID: PMC10044870 DOI: 10.3390/antiox12030735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 03/08/2023] [Accepted: 03/13/2023] [Indexed: 03/19/2023] Open
Abstract
Oxidative stresses (OSs) are considered a pivotal factor in creating various pathophysiological conditions. Cells have been able to move forward by modulating numerous signaling pathways to moderate the defects of these stresses during their evolution. The company of Kelch-like ECH-associated protein 1 (Keap1) as a molecular sensing element of the oxidative and electrophilic stress and nuclear factor erythroid 2 (NF-E2)-related factor 2 (Nrf2) as a master transcriptional regulator of the antioxidant response makes a master cytoprotective antioxidant pathway known as the Keap1/Nrf2 pathway. This pathway is considered a dual-edged sword with beneficial features for both normal and cancer cells by regulating the gene expression of the array of endogenous antioxidant enzymes. Heme oxygenase-1 (HO-1), a critical enzyme in toxic heme removal, is one of the clear state indicators for the duality of this pathway. Therefore, Nrf2/HO-1 axis targeting is known as a novel strategy for cancer treatment. In this review, the molecular mechanism of action of natural antioxidants on lung cancer cells has been investigated by relying on the Nrf2/HO-1 axis.
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Affiliation(s)
- Somayyeh Ghareghomi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417466191, Iran; (S.G.); (F.M.-M.)
| | - Faezeh Moosavi-Movahedi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417466191, Iran; (S.G.); (F.M.-M.)
| | - Luciano Saso
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University of Rome, 00185 Rome, Italy
- Correspondence: (L.S.); (M.H.-R.); (A.A.M.-M.); Tel.: +39-06-4991-2481 (L.S.); +98-21-6111-3214 (M.H.-R.); +98-21-6640-3957 (A.A.M.-M.); Fax: +39-06-4991-2481 (L.S.); +98-21-6697-1941 (M.H.-R.); +98-21-6640-4680(A.A.M.-M.)
| | - Mehran Habibi-Rezaei
- School of Biology, College of Science, University of Tehran, Tehran 1417466191, Iran
- Center of Excellence in NanoBiomedicine, University of Tehran, Tehran 1417466191, Iran
- Correspondence: (L.S.); (M.H.-R.); (A.A.M.-M.); Tel.: +39-06-4991-2481 (L.S.); +98-21-6111-3214 (M.H.-R.); +98-21-6640-3957 (A.A.M.-M.); Fax: +39-06-4991-2481 (L.S.); +98-21-6697-1941 (M.H.-R.); +98-21-6640-4680(A.A.M.-M.)
| | - Ali Khatibi
- Department of Biotechnology, Faculty of Biological Sciences, Alzahra University, Tehran 1993893973, Iran;
| | - Jun Hong
- School of Life Sciences, Henan University, Kaifeng 475000, China;
| | - Ali A. Moosavi-Movahedi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417466191, Iran; (S.G.); (F.M.-M.)
- UNESCO Chair on Interdisciplinary Research in Diabetes, University of Tehran, Tehran 1417466191, Iran
- Correspondence: (L.S.); (M.H.-R.); (A.A.M.-M.); Tel.: +39-06-4991-2481 (L.S.); +98-21-6111-3214 (M.H.-R.); +98-21-6640-3957 (A.A.M.-M.); Fax: +39-06-4991-2481 (L.S.); +98-21-6697-1941 (M.H.-R.); +98-21-6640-4680(A.A.M.-M.)
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Huang C, Deng W, Xu HZ, Zhou C, Zhang F, Chen J, Bao Q, Zhou X, Liu M, Li J, Liu C. Short-chain fatty acids reprogram metabolic profiles with the induction of reactive oxygen species production in human colorectal adenocarcinoma cells. Comput Struct Biotechnol J 2023; 21:1606-1620. [PMID: 36874158 PMCID: PMC9975252 DOI: 10.1016/j.csbj.2023.02.022] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 02/10/2023] [Accepted: 02/11/2023] [Indexed: 02/15/2023] Open
Abstract
Short-chain fatty acids (SCFAs) exhibit anticancer activity in cellular and animal models of colon cancer. Acetate, propionate, and butyrate are the three major SCFAs produced from dietary fiber by gut microbiota fermentation and have beneficial effects on human health. Most previous studies on the antitumor mechanisms of SCFAs have focused on specific metabolites or genes involved in antitumor pathways, such as reactive oxygen species (ROS) biosynthesis. In this study, we performed a systematic and unbiased analysis of the effects of acetate, propionate, and butyrate on ROS levels and metabolic and transcriptomic signatures at physiological concentrations in human colorectal adenocarcinoma cells. We observed significantly elevated levels of ROS in the treated cells. Furthermore, significantly regulated signatures were involved in overlapping pathways at metabolic and transcriptomic levels, including ROS response and metabolism, fatty acid transport and metabolism, glucose response and metabolism, mitochondrial transport and respiratory chain complex, one-carbon metabolism, amino acid transport and metabolism, and glutaminolysis, which are directly or indirectly linked to ROS production. Additionally, metabolic and transcriptomic regulation occurred in a SCFAs types-dependent manner, with an increasing degree from acetate to propionate and then to butyrate. This study provides a comprehensive analysis of how SCFAs induce ROS production and modulate metabolic and transcriptomic levels in colon cancer cells, which is vital for understanding the mechanisms of the effects of SCFAs on antitumor activity in colon cancer.
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Key Words
- 1H–13C HMBC, 1H–13C Heteronuclear Multiple Bond Correlation Spectroscopy
- 1H–13C HSQC, 1H–13C Heteronuclear Single Quantum Coherence Spectroscopy
- 1H–1H COSY, 1H–1H Correlation Spectroscopy
- 1H–1H TOCSY, 1H–1H Total Correlation Spectroscopy
- ADP, Adenosine diphosphate
- AMP, Adenosine monophosphate
- ATP, Adenosine triphosphate
- Ace, Acetate
- Ach, Acetylcholine
- Ala, Alanine
- CRC, Colorectal Cancer
- Caco-2, Human Colon Adenocarcinoma
- Cho, Choline
- CoA, Coenzyme A
- Cre, Creatine
- DCFH-DA, Dichloro-Dihydro-Fluorescein Diacetate
- DEGs, Differentially Expressed Genes
- DMEM, Dulbecco's Modified Eagle Medium
- DMG, Dimethylglycine
- DNA, Deoxyribonucleic Acid
- EP, Eppendorf
- FA, Formate
- FDR, False Discovery Rate
- Fru, Fructose
- Fum, Fumaric acid
- GLS, Glutaminase
- GSEA, Gene Set Enrichment Analysis
- GSH, Glutathione
- Gal-1-P, Galactose-1-phosphate
- Glc, Glucose
- Gln, Glutamine
- Glu, Glutamate
- Gly, Glycine
- HCT116, Human Colorectal Carcinoma Cell Line
- HEK, Human Embryonic Kidney cells
- HT29, Human Colorectal Adenocarcinoma Cell Line with Epithelial Morphology
- His, Histidine
- Ile, Isoleucine
- J-Res, J-resolved Spectroscopy
- LDH, Lactate Dehydrogenase
- Lac, Lactate
- Leu, Leucine
- Lys, Lysine
- MCF-7, Human Breast Cancer Cell Line with Estrogen
- MCT, Monocarboxylate Transporters
- Met, Methionine
- MetS, Metabolic Syndrome
- Mitochondrial function
- NAD+, Nicotinamide adenine dinucleotide
- NAG, N-Acetyl-L-Glutamine
- NMR, Nuclear Magnetic Resonance
- NMR-based Metabolomics
- NOESY, Nuclear Overhauser Effect Spectroscopy
- O-PLS-DA, Orthogonal Projection to the Latent Structures Discriminant Analysis
- PA, Pantothenate
- PC, Phosphocholine
- PCA, Principal Component Analysis
- PDC, Pyruvate Decarboxylase
- PDK, Pyruvate Dehydrogenase Kinase
- PKC, Protein Kinase C
- PPP, Pentose Phosphate Pathway
- Phe, Phenylalanine
- Pyr, Pyruvate
- RNA, Ribonucleic Acid
- ROS, Reactive Oxygen Species
- RPKM, Reads per Kilobase of Transcript per Million Reads Mapped
- Reactive oxygen species
- SCFAs, Short Chain Fatty Acids
- SLC, Solute-Carrier Genes
- Short-chain fatty acids
- Suc, Succinate
- T2DM, Type 2 Diabetes
- TCA, Tricarboxylic Acid
- Tau, Taurine
- Thr, Threonine
- Transcriptomics
- Tyr, Tyrosine
- UDP, Uridine 5′-diphosphate
- UDP-GLC, UDP Glucose
- UDPG, UDP Glucuronate
- UDPGs, UDP Glucose and UDP Glucuronate
- UMP, Uridine 5′-monophosphate
- Val, Valine
- WST-1, Water-Soluble Tetrazolium salts
- dDNP, dissolution Dynamic Nuclear Polarization
- qRT-PCR, Real-Time Quantitative Reverse Transcription Polymerase Chain Reaction
- α-KIV, α-Keto-isovalerate
- α-KMV, α-keto-β-methyl-valerate
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Affiliation(s)
- Chongyang Huang
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, China
| | - Wenjun Deng
- Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China
| | - Huan-Zhou Xu
- Department of Pediatrics, Division of Infectious Diseases, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Chen Zhou
- Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China
| | - Fan Zhang
- Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China
| | - Junfei Chen
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, China
| | - Qinjia Bao
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Xin Zhou
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China.,Optics Valley Laboratory, Hubei 430074, China
| | - Maili Liu
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China.,Optics Valley Laboratory, Hubei 430074, China
| | - Jing Li
- Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Chaoyang Liu
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China.,Optics Valley Laboratory, Hubei 430074, China
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9
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Chen B, Lei S, Yin X, Fei M, Hu Y, Shi Y, Xu Y, Fu L. Mitochondrial Respiration Inhibition Suppresses Papillary Thyroid Carcinoma Via PI3K/Akt/FoxO1/Cyclin D1 Pathway. Front Oncol 2022; 12:900444. [PMID: 35865479 PMCID: PMC9295996 DOI: 10.3389/fonc.2022.900444] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 05/31/2022] [Indexed: 01/03/2023] Open
Abstract
BackgroundPapillary thyroid carcinoma (PTC) is the most common thyroid malignancy, but little is known regarding PTC metabolic phenotypes and the effects of mitochondrial activity on PTC progression. The great potential of mitochondria-targeting therapy in cancer treatment promoted us to use tool compounds from a family of Mito-Fu derivatives to investigate how the regulation of mitochondrial respiration affected tumor progression characteristics and molecular changes in PTC.MethodsMito-Fu L20, a representative of 12 synthetic derivatives, was chosen for mitochondrial inhibition experiments. Sample sections from PTC patients were collected and processed to explore potential molecular alterations in tumor lymph node metastasis (LNM). In vitro analyses were performed using human PTC cell lines (K1 and TPC-1), with the human normal thyroid follicular cell line (Nthy) as a control. K1 cells were injected into nude mice to generate an animal model. The mice were injected with normal saline or Mito-Fu L20 at 20 or 50 mg/kg every other day; their body weights and tumor volumes were also measured over time. To elucidate the resulting metabolic phenotype, we measured oxygen consumption rate (OCR) and extracellular acidification rate (ECAR), cellular adenosine triphosphate (ATP) levels and reactive oxygen species (ROS) production, and mitochondrial membrane potential. Wound healing and Transwell assays, cell cycle assays, real-time fluorescence quantitative PCR, Western blotting, and immunohistochemical staining were performed to explore glycolysis-dominant metabolism in PTC.ResultsCyclin D1 and mitochondrial complex IV were detected in tumor samples from PTC patients with LNM. Mito-Fu L20 showed dose-independent and reversible modulation of mitochondrial respiration in PTC. In addition to mitochondrial dysfunction and early apoptosis, G1/S phase arrest. Notably, reversible mitochondrial inhibition yielded durable suppression of tumor proliferation, migration, and invasion via the PI3K/Akt/FoxO1/Cyclin D1 pathway. In vivo experiments demonstrated that Mito-Fu L20 has a good safety profile and specific restorative effect on mitochondrial activity in the liver. In addition, Mito-Fu L20 showed antitumor effects, alleviated tumor angiogenesis, and improved thyroid function.ConclusionReversible inhibition of ATP production and durable suppression of PTC growth indicates that the downregulation of mitochondrial function has a negative impact on tumor progression and LNM via the PI3K/Akt/FoxO1/Cyclin D1 pathway. The results provide new insights into the antitumor potential and clinical translation of mitochondrial inhibitors.
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Affiliation(s)
- Bojie Chen
- Department of Head and Neck Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University (SJTU), Shanghai, China
| | - Shuwen Lei
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Xinlu Yin
- Department of Head and Neck Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University (SJTU), Shanghai, China
| | - Mengjia Fei
- Department of Head and Neck Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University (SJTU), Shanghai, China
| | - Yixin Hu
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Yuan Shi
- Department of Head and Neck Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University (SJTU), Shanghai, China
| | - Yanan Xu
- Department of Head and Neck Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University (SJTU), Shanghai, China
- *Correspondence: Yanan Xu, ; Lei Fu,
| | - Lei Fu
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
- SJTU-Agilent Technologies Joint Laboratory for Pharmaceutical Analysis, School of Pharmacy, Shanghai Jiao Tong University (SJTU), Shanghai, China
- Academy of Pharmacy, Xi’an Jiaotong-Liverpool University, Suzhou, China
- *Correspondence: Yanan Xu, ; Lei Fu,
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10
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Huang C, Yang C, Pang D, Li C, Gong H, Cao X, He X, Chen X, Mu B, Cui Y, Liu W, Luo Q, Cheng A, Jia L, Chen M, Xiao B, Chen Z. Animal models of male subfertility targeted on LanCL1-regulated spermatogenic redox homeostasis. Lab Anim (NY) 2022; 51:133-145. [PMID: 35469022 DOI: 10.1038/s41684-022-00961-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 03/23/2022] [Indexed: 02/08/2023]
Abstract
Oxidative stress in spermatozoa is a major contributor to male subfertility, which makes it an informed choice to generate animal models of male subfertility with targeted modifications of the antioxidant systems. However, the critical male germ cell-specific antioxidant mechanisms have not been well defined yet. Here we identify LanCL1 as a major male germ cell-specific antioxidant gene, reduced expression of which is related to human male infertility. Mice deficient in LanCL1 display spermatozoal oxidative damage and impaired male fertility. Histopathological studies reveal that LanCL1-mediated antioxidant response is required for mouse testicular homeostasis, from the initiation of spermatogenesis to the maintenance of viability and functionality of male germ cells. Conversely, a mouse model expressing LanCL1 transgene is protected against high-fat-diet/obesity-induced oxidative damage and subfertility. We further show that germ cell-expressed LanCL1, in response to spermatogenic reactive oxygen species, is regulated by transcription factor specific protein 1 (SP1) during spermatogenesis. This study demonstrates a critical role for the SP1-LanCL1 axis in regulating testicular homeostasis and male fertility mediated by redox balance, and provides evidence that LanCL1 genetically modified mice have attractive applications as animal models of male subfertility.
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Affiliation(s)
- Chao Huang
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China
| | - Chengcheng Yang
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China
| | - Dejiang Pang
- Neuroscience & Metabolism Research, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center, Chengdu, P. R. China
| | - Chao Li
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China
| | - Huan Gong
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China
| | - Xiyue Cao
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China
| | - Xia He
- Clinical Laboratory of the People's Hospital of Ya'an, Ya'an, P. R. China
| | - Xueyao Chen
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China
| | - Bin Mu
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China
| | - Yiyuan Cui
- Neuroscience & Metabolism Research, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center, Chengdu, P. R. China
| | - Wentao Liu
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China
| | - Qihui Luo
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China
| | - Anchun Cheng
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China
| | - Lanlan Jia
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China
| | - Mina Chen
- Neuroscience & Metabolism Research, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center, Chengdu, P. R. China.
| | - Bo Xiao
- Department of Biology, Southern University of Science and Technology, Shenzhen, P. R. China.
| | - Zhengli Chen
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China. .,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, P. R. China.
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11
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Farhadi P, Yarani R, Dokaneheifard S, Mansouri K. The emerging role of targeting cancer metabolism for cancer therapy. Tumour Biol 2020; 42:1010428320965284. [PMID: 33028168 DOI: 10.1177/1010428320965284] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Glucose, as the main consuming nutrient of the body, faces different destinies in cancer cells. Glycolysis, oxidative phosphorylation, and pentose phosphate pathways produce different glucose-derived metabolites and thus affect cells' bioenergetics differently. Tumor cells' dependency to aerobic glycolysis and other cancer-specific metabolism changes are known as the cancer hallmarks, distinct cancer cells from normal cells. Therefore, these tumor-specific characteristics receive the limelight as targets for cancer therapy. Glutamine, serine, and fatty acid oxidation together with 5-lipoxygenase are main pathways that have attracted lots of attention for cancer therapy. In this review, we not only discuss different tumor metabolism aspects but also discuss the metabolism roles in the promotion of cancer cells at different stages and their difference with normal cells. Besides, we dissect the inhibitors potential in blocking the main metabolic pathways to introduce the effective and non-effective inhibitors in the field.
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Affiliation(s)
- Pegah Farhadi
- Medical Biology Research Center, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Reza Yarani
- Translational Type 1 Diabetes Research, Department of Clinical Research, Steno Diabetes Center Copenhagen, Gentofte, Denmark
| | - Sadat Dokaneheifard
- Sylvester Comprehensive Cancer Center, Department of Human Genetics, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Kamran Mansouri
- Medical Biology Research Center, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Department of Molecular Medicine, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
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12
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Abstract
Forkhead box O (FOXO) transcription factors regulate diverse biological processes, affecting development, metabolism, stem cell maintenance and longevity. They have also been increasingly recognised as tumour suppressors through their ability to regulate genes essential for cell proliferation, cell death, senescence, angiogenesis, cell migration and metastasis. Mechanistically, FOXO proteins serve as key connection points to allow diverse proliferative, nutrient and stress signals to converge and integrate with distinct gene networks to control cell fate, metabolism and cancer development. In consequence, deregulation of FOXO expression and function can promote genetic disorders, metabolic diseases, deregulated ageing and cancer. Metastasis is the process by which cancer cells spread from the primary tumour often via the bloodstream or the lymphatic system and is the major cause of cancer death. The regulation and deregulation of FOXO transcription factors occur predominantly at the post-transcriptional and post-translational levels mediated by regulatory non-coding RNAs, their interactions with other protein partners and co-factors and a combination of post-translational modifications (PTMs), including phosphorylation, acetylation, methylation and ubiquitination. This review discusses the role and regulation of FOXO proteins in tumour initiation and progression, with a particular emphasis on cancer metastasis. An understanding of how signalling networks integrate with the FOXO transcription factors to modulate their developmental, metabolic and tumour-suppressive functions in normal tissues and in cancer will offer a new perspective on tumorigenesis and metastasis, and open up therapeutic opportunities for malignant diseases.
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Affiliation(s)
- Yannasittha Jiramongkol
- Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital Campus, London, W12 0NN, UK
| | - Eric W-F Lam
- Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital Campus, London, W12 0NN, UK.
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13
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Nasimian A, Farzaneh P, Tamanoi F, Bathaie SZ. Cytosolic and mitochondrial ROS production resulted in apoptosis induction in breast cancer cells treated with Crocin: The role of FOXO3a, PTEN and AKT signaling. Biochem Pharmacol 2020; 177:113999. [PMID: 32353423 DOI: 10.1016/j.bcp.2020.113999] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Accepted: 04/24/2020] [Indexed: 12/30/2022]
Abstract
Different groups have reported the Crocin anticancer activity. We previously showed Crocin-induced apoptosis in rat model of breast and gastric cancers, through the increased Bax/Bcl-2 ratio and caspases activity, as well as the cell cycle arrest in a p53-dependent manner. Since Crocin antioxidant activity has been shown under different conditions, it is interesting to elucidate its apoptotic mechanism. Here, we treated two breast cancer cell lines, MCF-7 and MDA-MB-231, with Crocin. MTT and ROS assays, cell cycle arrest, Bax/Bcl-2 ratio and caspase3 activity were determined. PARP cleavage and expression of some proteins were studied using Western blotting and immunofluorescence. The results indicated stepwise ROS generation in cytosol and mitochondria after Crocin treatment. Attenuating the early ROS level, using diphenyleneiodonium, diminished the sequent mitochondrial damage (decreasing Δψ) and downstream apoptotic signaling. Crocin induced ROS production, FOXO3a expression and nuclear translocation, and then, elevation of the expression of FOXO3a target genes (Bim and PTEN) and caspase-3 activation. Application of N-acetylcysteine blocked AKT/FOXO3a/Bim signaling. FOXO3a knockdown resulted in a decrease of Bim, PTEN and caspase 3, after Crocin treatment. PTEN knockdown caused a decrease in FOXO3a, Bim and caspase 3, in addition to an increase in p-AKT and p-FOXO3a, after Crocin treatment. In conclusion, Crocin induced apoptosis in MCF-7 and MDA-MB-231 human breast cancer cells. The ROS-activated FOXO3a cascade plays a central role in this process. FOXO3a-mediated upregulation of PTEN exerted a further inhibition of the AKT survival pathway. These data provide a new insight into applications of Crocin for cancer therapy.
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Affiliation(s)
- Ahmad Nasimian
- Department of Clinical Biochemistry, Faculty of Medical Sciences, Tarbiat Modares University, P.O. Box: 14155-331, Tehran, Iran
| | - Parvaneh Farzaneh
- Human and Animal Cell Bank, Iranian Biological Resource Center (IBRC), ACECR, Tehran, Iran
| | - Fuyuhiko Tamanoi
- Department of Microbiology, Immunology & Molecular Genetics (MIMG), UCLA, LA, CA, USA
| | - S Zahra Bathaie
- Department of Clinical Biochemistry, Faculty of Medical Sciences, Tarbiat Modares University, P.O. Box: 14155-331, Tehran, Iran.
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14
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Lv S, Wen H, Shan X, Li J, Wu Y, Yu X, Huang W, Wei Q. Loss of KMT2D induces prostate cancer ROS-mediated DNA damage by suppressing the enhancer activity and DNA binding of antioxidant transcription factor FOXO3. Epigenetics 2019; 14:1194-1208. [PMID: 31232159 DOI: 10.1080/15592294.2019.1634985] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Histone methyltransferase KMT2D has diverse functions and distinct mechanisms in different cancers. Although we have previously found KMT2D serves as an oncogene that promotes tumor growth and metastasis in prostate cancer (PCa), the functions and mechanisms of KMT2D are complicated and most remain undefined. Here, the function of KMT2D regarding DNA damage in PCa and the underlying mechanisms of KMT2D in epigenetic regulation were explored in a series of studies. Knockdown of KMT2D sensitized cells to DNA damage through the disturbance of antioxidative gene expression and increased levels of intracellular reactive oxygen species, which led to cell apoptosis and senescence. The loss of KMT2D reduced the abundance of enhancer activity markers H3K4me1 and H3K27ac, which blocked the DNA binding of FOXO3, a critical mediator of the cellular response to oxidative stress, and suppressed antioxidative gene transcription. Moreover, KMT2D deletion in PCa cells also increased their sensitivity to genotoxic anticancer drugs and a PARP inhibitor, which suggested that lower levels of KMT2D may mediate the response of PCa to particular treatments. These findings further highlighted the important role of KMT2D in PCa progression and suggested that targeting KMT2D might be therapeutically beneficial for advanced PCa treatment.
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Affiliation(s)
- Shidong Lv
- Department of Urology, Nanfang Hospital, Southern Medical University , Guangzhou , Guangdong , China.,National Key Discipline of Human Anatomy, School of Basic Medical Sciences, Southern Medical University , Guangzhou , Guangdong , China.,Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, School of Basic Medical Sciences, Southern Medical University , Guangzhou , Guangdong , China
| | - Haoran Wen
- Department of Urology, Nanfang Hospital, Southern Medical University , Guangzhou , Guangdong , China
| | - Xiongwei Shan
- Department of Urology, Nanfang Hospital, Southern Medical University , Guangzhou , Guangdong , China
| | - Jianhua Li
- Department of Urology, Nanfang Hospital, Southern Medical University , Guangzhou , Guangdong , China
| | - Yaobin Wu
- National Key Discipline of Human Anatomy, School of Basic Medical Sciences, Southern Medical University , Guangzhou , Guangdong , China.,Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, School of Basic Medical Sciences, Southern Medical University , Guangzhou , Guangdong , China
| | - Xinpei Yu
- Affiliated Cancer Hospital, Institute of Guangzhou Medical University , Guangzhou , Guangdong , China
| | - Wenhua Huang
- National Key Discipline of Human Anatomy, School of Basic Medical Sciences, Southern Medical University , Guangzhou , Guangdong , China.,Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, School of Basic Medical Sciences, Southern Medical University , Guangzhou , Guangdong , China
| | - Qiang Wei
- Department of Urology, Nanfang Hospital, Southern Medical University , Guangzhou , Guangdong , China
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15
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Castora FJ. Mitochondrial function and abnormalities implicated in the pathogenesis of ASD. Prog Neuropsychopharmacol Biol Psychiatry 2019; 92:83-108. [PMID: 30599156 DOI: 10.1016/j.pnpbp.2018.12.015] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 12/20/2018] [Accepted: 12/24/2018] [Indexed: 12/18/2022]
Abstract
Mitochondria are the powerhouse that generate over 90% of the ATP produced in cells. In addition to its role in energy production, the mitochondrion also plays a major role in carbohydrate, fatty acid, amino acid and nucleotide metabolism, programmed cell death (apoptosis), generation of and protection against reactive oxygen species (ROS), immune response, regulation of intracellular calcium ion levels and even maintenance of gut microbiota. With its essential role in bio-energetic as well as non-energetic biological processes, it is not surprising that proper cellular, tissue and organ function is dependent upon proper mitochondrial function. Accordingly, mitochondrial dysfunction has been shown to be directly linked to a variety of medical disorders, particularly neuromuscular disorders and increasing evidence has linked mitochondrial dysfunction to neurodegenerative and neurodevelopmental disorders such as Alzheimer's Disease (AD), Parkinson's Disease (PD), Rett Syndrome (RS) and Autism Spectrum Disorders (ASD). Over the last 40 years there has been a dramatic increase in the diagnosis of ASD and, more recently, an increasing body of evidence indicates that mitochondrial dysfunction plays an important role in ASD development. In this review, the latest evidence linking mitochondrial dysfunction and abnormalities in mitochondrial DNA (mtDNA) to the pathogenesis of autism will be presented. This review will also summarize the results of several recent `approaches used for improving mitochondrial function that may lead to new therapeutic approaches to managing and/or treating ASD.
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Affiliation(s)
- Frank J Castora
- Department of Physiological Sciences, Eastern Virginia Medical School, Norfolk, VA, USA; Department of Neurology, Eastern Virginia Medical School, Norfolk, VA, USA.
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16
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Fibroblast growth factor 21 protects the heart from angiotensin II-induced cardiac hypertrophy and dysfunction via SIRT1. Biochim Biophys Acta Mol Basis Dis 2019; 1865:1241-1252. [DOI: 10.1016/j.bbadis.2019.01.019] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 12/29/2018] [Accepted: 01/16/2019] [Indexed: 12/22/2022]
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17
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Hopkins BL, Neumann CA. Redoxins as gatekeepers of the transcriptional oxidative stress response. Redox Biol 2019; 21:101104. [PMID: 30690320 PMCID: PMC6351230 DOI: 10.1016/j.redox.2019.101104] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 01/08/2019] [Accepted: 01/09/2019] [Indexed: 12/13/2022] Open
Abstract
Transcription factors control the rate of transcription of genetic information from DNA to messenger RNA, by binding specific DNA sequences in promoter regions. Transcriptional gene control is a rate-limiting process that is tightly regulated and based on transient environmental signals which are translated into long-term changes in gene transcription. Post-translational modifications (PTMs) on transcription factors by phosphorylation or acetylation have profound effects not only on sub-cellular localization but also on substrate specificity through changes in DNA binding capacity. During times of cellular stress, specific transcription factors are in place to help protect the cell from damage by initiating the transcription of antioxidant response genes. Here we discuss PTMs caused by reactive oxygen species (ROS), such as H2O2, that can expeditiously regulate the activation of transcription factors involved in the oxidative stress response. Part of this rapid regulation are proteins involved in H2O2-related reduction and oxidation (redox) reactions such as redoxins, H2O2 scavengers described to interact with transcription factors. Redoxins have highly reactive cysteines of rate constants around 6–10−1 s−1 that engage in nucleophilic substitution of a thiol-disulfide with another thiol in inter-disulfide exchange reactions. We propose here that H2O2 signal transduction induced inter-disulfide exchange reactions between redoxin cysteines and cysteine thiols of transcription factors to allow for rapid and precise on and off switching of transcription factor activity. Thus, redoxins are essential modulators of stress response pathways beyond H2O2 scavenging capacity.
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Affiliation(s)
- Barbara L Hopkins
- Department of Human Genetics, University of Pittsburgh, Pittsburgh, PA 15213, USA; Women's Cancer Research Center, University of Pittsburgh Cancer Institute, Pittsburgh, PA 15213, USA; Magee-Women's Research Institute, Magee-Women's Research Hospital of University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA.
| | - Carola A Neumann
- Department of Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, PA 15213, USA; Women's Cancer Research Center, University of Pittsburgh Cancer Institute, Pittsburgh, PA 15213, USA; Magee-Women's Research Institute, Magee-Women's Research Hospital of University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA.
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18
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De-Ugarte L, Balcells S, Nogues X, Grinberg D, Diez-Perez A, Garcia-Giralt N. Pro-osteoporotic miR-320a impairs osteoblast function and induces oxidative stress. PLoS One 2018; 13:e0208131. [PMID: 30485349 PMCID: PMC6261634 DOI: 10.1371/journal.pone.0208131] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 11/12/2018] [Indexed: 12/19/2022] Open
Abstract
MicroRNAs (miRNAs) are important regulators of many cellular processes, including the differentiation and activity of osteoblasts, and therefore, of bone turnover. MiR-320a is overexpressed in osteoporotic bone tissue but its role in osteoblast function is unknown. In the present study, functional assays were performed with the aim to elucidate the mechanism of miR-320a action in osteoblastic cells. MiR-320a was either overexpressed or inhibited in human primary osteoblasts (hOB) and gene expression changes were evaluated through microarray analysis. In addition, the effect of miR-320a on cell proliferation, viability, and oxidative stress in hOB was evaluated. Finally, matrix mineralization and alkaline phosphatase activity were assessed in order to evaluate osteoblast functionality. Microarray results showed miR-320a regulation of a number of key osteoblast genes and of genes involved in oxidative stress. Regulation of osteoblast differentiation and ossification appeared as the best significant biological processes (PANTHER P value = 3.74E-05; and P value = 3.06E-04, respectively). The other enriched pathway was that of the cellular response to cadmium and zinc ions, mostly by the overexpression of metallothioneins. In hOBs, overexpression of miR-320a increased cell proliferation and oxidative stress levels whereas mineralization capacity was reduced. In conclusion, overexpression of miR-320a increased stress oxidation levels and was associated with reduced osteoblast differentiation and functionality, which could trigger an osteoporotic phenotype.
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Affiliation(s)
- Laura De-Ugarte
- Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, Indiana, United States of America
- Indiana Center for Musculoskeletal Health, Indianapolis, Indiana, United States of America
| | - Susana Balcells
- Department of Genetics, Microbiology and Statistics, Facultat de Biologia, Universitat de Barcelona, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), ISCIII, IBUB, IRSJD, Barcelona, Catalonia, Spain
| | - Xavier Nogues
- Musculoskeletal Research Group, IMIM (Hospital del Mar Medical Research Institute), Centro de Investigación Biomédica en Red en Fragilidad y Envejecimiento Saludable (CIBERFES), ISCIII, Barcelona, Catalonia, Spain
| | - Daniel Grinberg
- Department of Genetics, Microbiology and Statistics, Facultat de Biologia, Universitat de Barcelona, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), ISCIII, IBUB, IRSJD, Barcelona, Catalonia, Spain
| | - Adolfo Diez-Perez
- Musculoskeletal Research Group, IMIM (Hospital del Mar Medical Research Institute), Centro de Investigación Biomédica en Red en Fragilidad y Envejecimiento Saludable (CIBERFES), ISCIII, Barcelona, Catalonia, Spain
| | - Natalia Garcia-Giralt
- Musculoskeletal Research Group, IMIM (Hospital del Mar Medical Research Institute), Centro de Investigación Biomédica en Red en Fragilidad y Envejecimiento Saludable (CIBERFES), ISCIII, Barcelona, Catalonia, Spain
- * E-mail:
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19
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Ma J, Yin G, Lu Z, Xie P, Zhou H, Liu J, Yu L. Casticin prevents DSS induced ulcerative colitis in mice through inhibitions of NF-κB pathway and ROS signaling. Phytother Res 2018; 32:1770-1783. [DOI: 10.1002/ptr.6108] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Revised: 03/22/2018] [Accepted: 04/09/2018] [Indexed: 12/19/2022]
Affiliation(s)
- Jiamei Ma
- Department of Pharmacology of Chinese Medicine, School of Traditional Chinese Medicine; Southern Medical University; Guangzhou China
| | - Ganghui Yin
- Department of Spine Surgery; The Third Affiliated Hospital of Southern Medical University; Guangzhou China
| | - Zibin Lu
- Department of Pharmacology of Chinese Medicine, School of Traditional Chinese Medicine; Southern Medical University; Guangzhou China
| | - Pei Xie
- Department of Pharmacology of Chinese Medicine, School of Traditional Chinese Medicine; Southern Medical University; Guangzhou China
| | - Hongling Zhou
- Department of Pharmacology of Chinese Medicine, School of Traditional Chinese Medicine; Southern Medical University; Guangzhou China
| | - Junshan Liu
- Department of Pharmacology of Chinese Medicine, School of Traditional Chinese Medicine; Southern Medical University; Guangzhou China
| | - Linzhong Yu
- Department of Pharmacology of Chinese Medicine, School of Traditional Chinese Medicine; Southern Medical University; Guangzhou China
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Shi F, Li T, Liu Z, Qu K, Shi C, Li Y, Qin Q, Cheng L, Jin X, Yu T, Di W, Que J, Xia H, She J. FOXO1: Another avenue for treating digestive malignancy? Semin Cancer Biol 2018; 50:124-131. [PMID: 28965871 PMCID: PMC5874167 DOI: 10.1016/j.semcancer.2017.09.009] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 09/25/2017] [Accepted: 09/27/2017] [Indexed: 12/14/2022]
Abstract
Digestive malignancies are the leading cause of mortality among all neoplasms, contributing to estimated 3 million deaths in 2012 worldwide. The mortality rate hassurpassed lung cancer and prostate cancer in recent years. The transcription factor Forkhead Box O1 (FOXO1) is a key member of Forkhead Box family, regulating diverse cellular functions during tumor initiation, progression and metastasis. In this review, we focus on recent studies investigating the antineoplastic role of FOXO1 in digestive malignancy. This review aims to serve as a guide for further research and implicate FOXO1 as a potent therapeutic target in digestive malignancy.
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Affiliation(s)
- Feiyu Shi
- Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, Shaanxi, China
| | - Tian Li
- Department of Biomedical Engineering, The Fourth Military Medical University, 169 Changle West Road, Xi'an 710032, Shaanxi, China
| | - Zhi Liu
- Department of Stomatology, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, Shaanxi, China
| | - Kai Qu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, Shaanxi, China
| | - Chengxin Shi
- Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, Shaanxi, China
| | - Yaguang Li
- Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, Shaanxi, China
| | - Qian Qin
- Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, Shaanxi, China
| | - Liang Cheng
- Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, Shaanxi, China
| | - Xin Jin
- Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, Shaanxi, China
| | - Tianyu Yu
- Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, Shaanxi, China
| | - Wencheng Di
- Department of Cardiology, Affiliated Drum Tower Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing 210008, Jiangsu, China
| | - Jianwen Que
- Center for Human Development & Division of Digestive and Liver Diseases, Department of Medicine, Columbia University Medical Center, New York, 10032, NY, USA
| | - Hongping Xia
- Laboratory of Cancer Genomics, National Cancer Centre, Singapore 169610, Singapore
| | - Junjun She
- Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, Shaanxi, China.
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21
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Xiong J, Wang Y, Gu Y, Xue Y, Dang L, Li Y. CDK5RAP1 targeting NF-κB signaling pathway in human malignant melanoma A375 cell apoptosis. Oncol Lett 2018; 15:4767-4774. [PMID: 29552116 PMCID: PMC5840756 DOI: 10.3892/ol.2018.7920] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Accepted: 11/20/2017] [Indexed: 12/12/2022] Open
Abstract
Malignant melanoma is characterized by rapid deterioration, early metastasis and high mortality. Cdk5 regulatory subunit-associated protein 1 (CDK5RAP1), which catalyzes 2-methylthio (ms2) modification of mitochondrial transfer RNAs, has been reported to induce cancer cell apoptosis, by a phospho-c-Jun N-terminal kinase (p-JNK) signaling pathway. The present study was the first to report on the association between CDK5RAP1 deficiency and nuclear factor-κB (NF-κB) signaling pathway during the apoptosis process in human malignant melanoma (A375) cells. CDK5RAP1 small interfering RNA (siRNA) and control siRNA were transfected into A375 cells. CDK5RAP1 deficiency inhibited Ca2+ influx in A375 cells. CDK5RAP1 deficiency also suppressed the proliferation of A375 cells, induced A375 cells apoptosis, and increased the generation of reactive oxygen species (ROS). In addition, CDK5RAP1 deficiency induced the phosphorylation of NF-κB and Bcl-2/Bcl-xl-associated death promoter (Bad). Notably, the phosphorylation of B-cell lymphoma-xl (Bcl-xl) and B-cell lymphoma-2 (Bcl-2) was downregulated by CDK5RAP1 deficiency. Pretreatment with pyrrolidine dithiocarbamate (PDTC), the inhibitor of NF-κB, prevented the decrease in cell proliferation and apoptosis induced by CDK5RAP1 deficiency in A375 cells. However, pretreatment with PDTC did not affect the generation of ROS in A375 cells, indicating that ROS is an upstream target of NF-κB signaling pathway during the apoptosis process. Taken together, CDK5RAP1 deficiency induces cell apoptosis in malignant melanoma A375 cells via the NF-κB signaling pathway. The results from the present study indicated a potential novel candidate for the treatment of skin cancer.
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Affiliation(s)
- Jikui Xiong
- Department of Dermatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Yan Wang
- Department of Pathology, Heilongjiang Provincial Hospital, Harbin, Heilongjiang 150036, P.R. China
| | - Yanli Gu
- Department of Dermatology, Daqing Oilfield General Hospital, Daqing, Heilongjiang 163000, P.R. China
| | - Yadong Xue
- Department of Dermatology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Lin Dang
- Department of Dermatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Yuzhen Li
- Department of Dermatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
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22
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Yao S, Fan LYN, Lam EWF. The FOXO3-FOXM1 axis: A key cancer drug target and a modulator of cancer drug resistance. Semin Cancer Biol 2017; 50:77-89. [PMID: 29180117 PMCID: PMC6565931 DOI: 10.1016/j.semcancer.2017.11.018] [Citation(s) in RCA: 133] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 10/30/2017] [Accepted: 11/23/2017] [Indexed: 12/11/2022]
Abstract
The FOXO3 and FOXM1 forkhead box transcription factors, functioning downstream of the essential PI3K-Akt, Ras-ERK and JNK/p38MAPK signalling cascades, are crucial for cell proliferation, differentiation, cell survival, senescence, DNA damage repair and cell cycle control. The development of resistance to both conventional and newly emerged molecularly targeted therapies is a major challenge confronting current cancer treatment in the clinic. Intriguingly, the mechanisms of resistance to ‘classical’ cytotoxic chemotherapeutics and to molecularly targeted therapies are invariably linked to deregulated signalling through the FOXO3 and FOXM1 transcription factors. This is owing to the involvement of FOXO3 and FOXM1 in the regulation of genes linked to crucial drug action-related cellular processes, including stem cell renewal, DNA repair, cell survival, drug efflux, and deregulated mitosis. A better understanding of the mechanisms regulating the FOXO3-FOXM1 axis, as well as their downstream transcriptional targets and functions, may render these proteins reliable and early diagnostic/prognostic factors as well as crucial therapeutic targets for cancer treatment and importantly, for overcoming chemotherapeutic drug resistance.
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Affiliation(s)
- Shang Yao
- Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital Campus, London W12 0NN, UK
| | - Lavender Yuen-Nam Fan
- Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital Campus, London W12 0NN, UK
| | - Eric Wing-Fai Lam
- Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital Campus, London W12 0NN, UK.
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23
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Yoon JH, Kim O, Nam SW, Lee JY, Park WS. NKX6.3 Regulates Reactive Oxygen Species Production by Suppressing NF-kB and DNMT1 Activities in Gastric Epithelial Cells. Sci Rep 2017; 7:2807. [PMID: 28584243 PMCID: PMC5459835 DOI: 10.1038/s41598-017-02901-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 04/20/2017] [Indexed: 12/22/2022] Open
Abstract
NKX6.3 plays an important role in gastric epithelial differentiation and also acts as a gastric tumor suppressor. The specific aim of this study was to determine whether NKX6.3 contributes to gastric mucosal barrier function by regulating reactive oxygen species (ROS) production. NKX6.3 reduced ROS production and regulated expression of anti-oxidant genes, including Hace1. In addition, NKX6.3 reduced DNMT1 expression and activity by down-regulating NF-kB family gene transcription. Silencing of Hace1 recovered ROS production, whereas knock-down of DNMT1 and NF-kB reduced ROS production and induced Hace1 expression by hypomethylating its promoter region. In addition, NKX6.3 inhibited CagA effects on cell growth, ROS production, and NF-kB and DNMT1 activity. In gastric mucosae and cancers, NKX6.3 and Hace1 expression was significantly reduced. The NKX6.3 expression was positively correlated with Hace1 and Nrf2 genes, but negatively correlated with DNMT1. Hypermethylation of Hace1 gene was observed only in gastric mucosae with H. pylori, atrophy and intestinal metaplasia. Thus, these results suggest that NKX6.3 inhibits ROS production by inducing the expression of Hace1 via down-regulating NF-kB and DNMT1 activity in gastric epithelial cells.
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Affiliation(s)
- Jung Hwan Yoon
- Department of Pathology, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, 137-701, South Korea
| | - Olga Kim
- Department of Pathology, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, 137-701, South Korea
| | - Suk Woo Nam
- Department of Pathology, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, 137-701, South Korea
- Department of Functional RNomics, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, 137-701, South Korea
| | - Jung Young Lee
- Department of Pathology, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, 137-701, South Korea
- Department of Functional RNomics, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, 137-701, South Korea
| | - Won Sang Park
- Department of Pathology, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, 137-701, South Korea.
- Department of Functional RNomics, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, 137-701, South Korea.
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Gào X, Schöttker B. Reduction-oxidation pathways involved in cancer development: a systematic review of literature reviews. Oncotarget 2017; 8:51888-51906. [PMID: 28881698 PMCID: PMC5584299 DOI: 10.18632/oncotarget.17128] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Accepted: 04/03/2017] [Indexed: 12/24/2022] Open
Abstract
Oxidative stress results from an imbalance of the reactive oxygen species/reactive nitrogen species (ROS/RNS) production and the oxidants defense system. Extensive research during the last decades has revealed that oxidative stress can mediate cancer initiation and development by leading not only to molecular damage but also to a disruption of reduction-oxidation (redox) signaling. In order to provide a global overview of the redox signaling pathways, which play a role in cancer formation, we conducted a systematic literature search in PubMed and ISI Web of Science and identified 185 relevant reviews published in the last 10 years. The 20 most frequently described pathways were selected to be presented in this systematic review and could be categorized into 3 groups: Intracellular ROS/RNS generating organelles and enzymes, signal transduction cascades kinases/phosphatases and transcription factors. Intracellular ROS/RNS generation organelles are mitochondria, endoplasmic reticulum and peroxisomes. Enzymes, including NOX, COX, LOX and NOS, are the most prominent enzymes generating ROS/RNS. ROS/RNS act as redox messengers of transmembrane receptors and trigger the activation or inhibition of signal transduction kinases/phosphatases, such as the family members of protein tyrosine kinases and protein tyrosine phosphatases. Furthermore, these reactions activate downstream signaling pathways including protein kinase of the MAPK cascade, PI3K and PKC. The kinases and phosphatases regulate the phosphorylation status of transcription factors including APE1/Ref-1, HIF-1α, AP-1, Nrf2, NF-κB, p53, FOXO, STAT, and β-catenin. Finally, we briefly discuss cancer prevention and treatment opportunities, which address redox pathways and further research needs.
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Affiliation(s)
- Xīn Gào
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center, Heidelberg, Germany.,Network Aging Research, University of Heidelberg, Heidelberg, Germany
| | - Ben Schöttker
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center, Heidelberg, Germany.,Network Aging Research, University of Heidelberg, Heidelberg, Germany.,Institute of Health Care and Social Sciences, FOM University, Essen, Germany
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25
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Wu M, Kang X, Wang Q, Zhou C, Mohan C, Peng A. Regulator of G protein signaling-1 modulates paraquat-induced oxidative stress and longevity via the insulin like signaling pathway in Caenorhabditis elegans. Toxicol Lett 2017; 273:97-105. [PMID: 28366735 DOI: 10.1016/j.toxlet.2017.03.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 03/25/2017] [Accepted: 03/29/2017] [Indexed: 12/23/2022]
Abstract
Insulin or insulin like signaling (IIS) pathway is a crucial pathway in Caenorhabditis elegans associated with mediating longevity, and stress resistance. Regulators of G protein signaling (RGS) also modulate stress resistance and longevity in multiple in vitro and in vivo models. However, the mechanism underlying RGS mediating stress resistance and longevity remains largely unclear. Here we report that rgs-1, an important member of rgs family, is a novel modulator of IIS pathway in C. elegans. We found that the loss of rgs-1 dramatically promoted paraquat resistance in C. elegans. Further genetic analyses demonstrated that rgs-1 acted downstream of daf-2 and upstream of age-1, pdk-1, daf-16. Instead of affecting those IIS-associated genes in transcriptional process, loss of rgs-1 promoted DAF-16's nucleus translocation and subset genes' expression in paraquat-induced oxidative status. By this way, rgs-1 mutant worms exhibited lower ROS damage and longer survival time than wild type worms when both exposed to paraquat. Other than paraquat exposure, rgs-1 mutant also promoted lifespan and cadmium resistance relying on daf-16. As rgs is evolutionarily conserved, our findings open a new insight into rgs family and its role in paraquat-induced oxidative stress and longevity in C. elegans or even mammals.
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Affiliation(s)
- Mingyu Wu
- Center for Nephrology and Metabolomics, Division of Nephrology and Rheumatology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Xin Kang
- Center for Nephrology and Metabolomics, Division of Nephrology and Rheumatology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Qiang Wang
- Center for Nephrology and Metabolomics, Division of Nephrology and Rheumatology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Chunyu Zhou
- Center for Nephrology and Metabolomics, Division of Nephrology and Rheumatology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Chandra Mohan
- Center for Nephrology and Metabolomics, Division of Nephrology and Rheumatology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China; Department of Biomedical Engineering, University of Houston, Houston, TX 77204, USA.
| | - Ai Peng
- Center for Nephrology and Metabolomics, Division of Nephrology and Rheumatology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China.
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26
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Yang W, Yang LF, Song ZQ, Shah SZA, Cui YY, Li CS, Zhao HF, Gao HL, Zhou XM, Zhao DM. PRAS40 alleviates neurotoxic prion peptide-induced apoptosis via mTOR-AKT signaling. CNS Neurosci Ther 2017; 23:416-427. [PMID: 28294542 DOI: 10.1111/cns.12685] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 02/06/2017] [Accepted: 02/07/2017] [Indexed: 01/04/2023] Open
Abstract
AIMS The proline-rich Akt substrate of 40-kDa (PRAS40) protein is a direct inhibitor of mTORC1 and an interactive linker between the Akt and mTOR pathways. The mammalian target of rapamycin (mTOR) is considered to be a central regulator of cell growth and metabolism. Several investigations have demonstrated that abnormal mTOR activity may contribute to the pathogenesis of several neurodegenerative disorders and lead to cognitive deficits. METHODS Here, we used the PrP peptide 106-126 (PrP106-126 ) in a cell model of prion diseases (also known as transmissible spongiform encephalopathies, TSEs) to investigate the mechanisms of mTOR-mediated cell death in prion diseases. RESULTS We have shown that, upon stress caused by PrP106-126 , the mTOR pathway activates and contributes to cellular apoptosis. Moreover, we demonstrated that PRAS40 down-regulates mTOR hyperactivity under stress conditions and alleviates neurotoxic prion peptide-induced apoptosis. The effect of PRAS40 on apoptosis is likely due to an mTOR/Akt signaling. CONCLUSION PRAS40 inhibits mTORC1 hyperactivation and plays a key role in protecting cells against neurotoxic prion peptide-induced apoptosis. Thus, PRAS40 is a potential therapeutic target for prion disease.
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Affiliation(s)
- Wei Yang
- National Animal Transmissible Spongiform Encephalopathy Laboratory and Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine and State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China.,Hebei Institute of Animal Science and Veterinary Medicine, Baoding, China
| | - Li-Feng Yang
- National Animal Transmissible Spongiform Encephalopathy Laboratory and Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine and State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Zhi-Qi Song
- National Animal Transmissible Spongiform Encephalopathy Laboratory and Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine and State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Syed Zahid Ali Shah
- National Animal Transmissible Spongiform Encephalopathy Laboratory and Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine and State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Yong-Yong Cui
- National Animal Transmissible Spongiform Encephalopathy Laboratory and Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine and State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Chao-Si Li
- National Animal Transmissible Spongiform Encephalopathy Laboratory and Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine and State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Hua-Fen Zhao
- National Animal Transmissible Spongiform Encephalopathy Laboratory and Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine and State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Hong-Li Gao
- National Animal Transmissible Spongiform Encephalopathy Laboratory and Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine and State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - Xiang-Mei Zhou
- National Animal Transmissible Spongiform Encephalopathy Laboratory and Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine and State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
| | - De-Ming Zhao
- National Animal Transmissible Spongiform Encephalopathy Laboratory and Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine and State Key Laboratory of Agrobiotechnology, China Agricultural University, Beijing, China
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Xie P, Fujii I, Zhao J, Shinohara M, Matsukura M. A novel polysaccharide derived from algae extract induces apoptosis and cell cycle arrest in human gastric carcinoma MKN45 cells via ROS/JNK signaling pathway. Int J Oncol 2016; 49:1561-1568. [DOI: 10.3892/ijo.2016.3658] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Accepted: 08/18/2016] [Indexed: 11/05/2022] Open
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28
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Peng CY, You BJ, Lee CL, Wu YC, Lin WH, Lu TL, Chang FC, Lee HZ. The Roles of 4β-Hydroxywithanolide E from Physalis peruviana on the Nrf2-Anti-Oxidant System and the Cell Cycle in Breast Cancer Cells. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2016; 44:617-36. [PMID: 27109152 DOI: 10.1142/s0192415x16500348] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
4[Formula: see text]-Hydroxywithanolide E is an active component of the extract of Physalis peruviana that has been reported to exhibit antitumor effects. Although the involvement of reactive oxygen species (ROS) production and the ataxia-telangiectasia mutated protein (ATM)-dependent DNA damage signaling pathway in 4[Formula: see text]-hydroxywithanolide E-induced apoptosis of breast cancer MCF-7 cells was demonstrated in our previous study, the relationship between ROS production and the cellular defense system response in 4[Formula: see text]-hydroxywithanolide E-induced cell death requires further verification. The present study suggests that ROS play an important role in 4[Formula: see text]-hydroxywithanolide E-induced MCF-7 cell death in which anti-oxidants, such as glutathione or N-acetylcysteine, can resist the 4[Formula: see text]-hydroxywithanolide E-induced accumulation of ROS and cell death. Furthermore, N-acetylcysteine or glutathione can reverse the 4[Formula: see text]-hydroxywithanolide E-induced changes in the cell cycle distribution and the expression of cell cycle regulators. We found that the 4[Formula: see text]-hydroxywithanolide E-induced ROS accumulation was correlated with the upregulation of Nrf2 and Nrf2-downstream genes, such as antioxidative defense enzymes. In general, the activity of Nrf2 is regulated by the Ras signalling pathway. However, we demonstrated that Nrf2 was activated during 4[Formula: see text]-hydroxywithanolide E-induced MCF-7 cell death in spite of the 4[Formula: see text]-hydroxywithanolide E-induced inhibition of the Ras/Raf/ERK pathway. The activity and protein expression of superoxide dismutase and catalase were involved in the 4[Formula: see text]-hydroxywithanolide E-induced ROS production in MCF-7 cells. Furthermore, 4[Formula: see text]-hydroxywithanolide E was demonstrated to significantly reduce the sizes of the tumor nodules in the human breast cancer MDA-MB231 xenograft tumor model.
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Affiliation(s)
- Chieh Yu Peng
- School of Pharmacy, China Medical University Hospital, Taichung, Taiwan
| | - Bang Jau You
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, Taiwan
| | - Chia Lin Lee
- Department of Cosmeceutics and Graduate Institute of Cosmeceutics, China Medical University, Taichung, Taiwan
- Chinese Medicine Research and Development Center, China Medical University Hospital, Taichung, Taiwan
| | - Yang Chang Wu
- School of Pharmacy, China Medical University Hospital, Taichung, Taiwan
- Chinese Medicine Research and Development Center, China Medical University Hospital, Taichung, Taiwan
| | - Wen Hsin Lin
- School of Pharmacy, China Medical University Hospital, Taichung, Taiwan
| | - Te Ling Lu
- School of Pharmacy, China Medical University Hospital, Taichung, Taiwan
| | - Fei-Ching Chang
- Pharmacy Department, Tainan Municipal An-Nan Hospital-China Medical University, Tainan, Taiwan
| | - Hong Zin Lee
- School of Pharmacy, China Medical University Hospital, Taichung, Taiwan
- Pharmacy Department, Tainan Municipal An-Nan Hospital-China Medical University, Tainan, Taiwan
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Chen HY, Chen YM, Wu J, Yang FC, Lv Z, Xu XF, Zheng SS. Expression of FOXO6 is Associated With Oxidative Stress Level and Predicts the Prognosis in Hepatocellular Cancer: A Comparative Study. Medicine (Baltimore) 2016; 95:e3708. [PMID: 27227932 PMCID: PMC4902356 DOI: 10.1097/md.0000000000003708] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
The aim of this study was to explore the association of Forkhead box O6 (FOXO6) expression with oxidative stress level and prognosis of hepatocellular cancer (HCC).The case group included tissues of HCC from 128 patients who were hospitalized in Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery of First Affiliated Hospital, School of Medicine, Zhejiang University. The control group included normal liver tissues from 74 patients. RT-PCR and Western blot were used to test expressions of FOXO6, heme oxygenase (HO)-1, glutathione peroxidase (GPx), superoxide dismutase (SOD), and catalase (CAT). Dihydroethidium (DHE) was dyed to observe reactive oxygen species (ROS) level. Immunohistochemistry was used to test FOXO6 expression. FOXO6 was silenced in HepG2 cells to detect cell proliferation and apoptosis. The expressions of ROS, HO-1, GPx, SOD, CAT, p27, and cyclin D1 were also detected to further explore the possible mechanism.The expressions of FOXO6, HO-1, GPx, SOD, and CAT in HCC tissue was significantly higher than those in normal and adjacent HCC tissues (P <0.05). The tumor size, TNM stage, Alpha-fetoprotein (AFP) level, the presence or absence of hepatitis B surface antigen (HbsAg), and differentiation degree were related to FOXO6 expression level (all P <0.05). COX analysis showed that high FOXO6 expression, male, positive HBsAg, advanced TNM staging, high expression of AFP, and low degree of differentiation were all risk factors for prognosis in HCC (P <0.05). Compared with the blank group (C group, without transfection) and the negative control (NC) group, the mRNA expressions of ROS, FOXO6, HO-1, SOD, GPx, and CAT were decreased (P <0.05). si-RNA group had significantly decreased proliferation speed during 24 to 72 hours (P <0.05), whereas si-FOXO6 group had remarkably increased G0/G1 staged cells and decreased S-staged cells (P <0.05). The si-FOXO6 group showed notably increased apoptosis rate (P <0.05) and p27 expressions as well as decreased cyclin D1 expressions (P <0.05).FOXO6 was highly expressed in HCC tissue and was related to oxidative stress levels. Furthermore, FOXO6 expression can be used as a biomarker for deterioration and prognosis of liver cancer, which may provide a novel treatment target for HCC therapy.
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Affiliation(s)
- Hai-Yong Chen
- From the Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University,Key Laboratory of Combined Multi-organ Transplantation, Ministry of Public Health, Key Laboratory of Organ Transplantation, ZheJiang Province, Hang Zhou 310003,China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (H-YC, Y-MC, J-W, F-CY, Z-L, X-FX, S-SZ)
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Zhang C, Lu T, Wang GD, Ma C, Zhou YF. Costunolide, an active sesquiterpene lactone, induced apoptosis via ROS-mediated ER stress and JNK pathway in human U2OS cells. Biomed Pharmacother 2016; 80:253-259. [DOI: 10.1016/j.biopha.2016.03.031] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Revised: 03/23/2016] [Accepted: 03/23/2016] [Indexed: 12/20/2022] Open
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Cordycepin Prevents Bone Loss through Inhibiting Osteoclastogenesis by Scavenging ROS Generation. Nutrients 2016; 8:231. [PMID: 27104563 PMCID: PMC4848699 DOI: 10.3390/nu8040231] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2015] [Revised: 03/18/2016] [Accepted: 04/05/2016] [Indexed: 12/22/2022] Open
Abstract
Cordycepin was previously reported to have anti-tumor, anti-inflammatory and anti-oxidant activity. However, the potential role of cordycepin in bone metabolism and cell biology of osteoclasts remains unclear. In our study, we focused on the in vitro effects of cordycepin on osteoclastogenesis and its in vivo effects in ovariectomized (OVX) mice. Osteoclast differentiation, formation and fusion were evaluated by Tartrate-resistant acid phosphatase (TRAP) stain, focal adhesion stain and fusion assay, respectively. Osteoclastic bone resorption was evaluated by pit formation assay. Reactive oxygen species (ROS) generation and removal were detected by the ROS assay. OVX mice were orally administered with 10 mg/kg of cordycepin daily for four weeks. In vitro results revealed that cordycepin inhibited receptor activator of nuclear factor κB ligand (RANKL)-induced osteoclast differentiation, formation, fusion and bone resorption activity. We further proved that cordycepin treatments scavenged the generation of ROS, upregulated interferon regulatory factor 8 (IRF-8) and suppressed the activity of nuclear factor of activated T cells c1 (NFATc1) during osteoclastogenesis. In vivo results indicated cordycepin prevents bone loss, rescues bone microarchitecture, and restores bone mineralization in OVX mice. Our observations strongly suggested that cordycepin is an efficient osteoclast inhibitor and hold potential therapeutic value in preventing bone loss among postmenopausal osteoporosis patients.
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Augmentation of oxidative stress-induced apoptosis in MCF7 cells by ascorbate-tamoxifen and/or ascorbate-juglone treatments. In Vitro Cell Dev Biol Anim 2015; 52:193-203. [PMID: 26559067 DOI: 10.1007/s11626-015-9961-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Accepted: 09/16/2015] [Indexed: 01/12/2023]
Abstract
Since reactive oxygen species (ROS) play diverse roles in cancer, modulating the redox status of cancerous cells seems to be a promising therapeutic approach. Oxidant-targeted therapy appears logical for intervention with the acquired adaptive response to oxidative stress in cancer. In this study, we investigated the cytotoxic effects of juglone (J) and tamoxifen (T) and also the combination of each with ascorbate (A): tamoxifen/ascorbate (TA) and/or juglone/ascorbate (JA) on MCF7 cancerous cells. The results revealed that the growth inhibitory effects of juglone and tamoxifen were each associated with enhanced levels of ROS production and lipid peroxidation. These effects were markedly intensified in tamoxifen/ascorbate and juglone/ascorbate co-treatments. On the other hand, the intracellular anti-oxidant components such as reduced glutathione (GSH), catalase, superoxide dismutase (SOD), and glutathione peroxidase significantly declined in cells subjected to combination treatments compared to that in cells exposed solely to tamoxifen, juglone, and the untreated control cells. In addition, ascorbate association induced more apoptotic and necrotic or necrotic-like cell death than cells treated with each drug alone. These results were further confirmed by comparing the Bax/Bcl2 ratio in combination-treated cells. Additionally, ascorbate was able to potentiate the cytotoxic effects of combination therapy via activation of ROS-responsive factors including Foxo family members.
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Wang H, Wei L, Li C, Zhou J, Li Z. CDK5RAP1 deficiency induces cell cycle arrest and apoptosis in human breast cancer cell line by the ROS/JNK signaling pathway. Oncol Rep 2015; 33:1089-96. [PMID: 25607831 DOI: 10.3892/or.2015.3736] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Accepted: 08/21/2014] [Indexed: 11/06/2022] Open
Abstract
Cyclin-dependent kinase 5 regulatory subunit associated protein 1 (CDK5RAP1) is an enzyme which post-synthetically converts the RNA modification N6-iso-pentenyladenosine (i6A) into 2-methylthio-N6-isopentenyladenosine (ms2i6A). However, the interaction between CDK5RAP1 deficiency and cell apoptosis has not been studied. Breast cancer has long been a leading cause of mortality in the world. Therefore, in the present study, CDK5RAP1 deficiency in a human breast cancer cell line was investigated. CDK5RAP1 small interfering RNA (siRNA) and negative control siRNA were transfected into MCF-7 cells, and the cells were further incubated for 48 h. CDK5RAP1 deficiency suppressed tumor growth in MCF-7 cells and arrested the cells at G2/M phase. CDK5RAP1 deficiency also induced cell apoptosis and reactive oxygen species (ROS) generation. Furthermore, western blot analysis showed that the expression of phospho-c-Jun N-terminal kinase (p-JNK), p53, caspase-9 and caspase-3 were upregulated in CDK5RAP1-deficient MCF-7 cells. Pretreatment with N-acetyl-cysteine (NAC), the inhibitor of ROS, or with SP600125, the inhibitor of JNK, prevented the apoptosis and the high expression of p-JNK, p53, caspase-9 and caspase-3 in CDK5RAP1-deficient MCF-7 cells. Taken together, these data indicated that CDK5RAP1 deficiency induced cell cycle arrest and apoptosis in human breast cancer MCF-7 cells by the ROS/JNK signaling pathway. Our findings indicated a novel therapeutic strategy for cancer.
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Affiliation(s)
- Hongbin Wang
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Li Wei
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Changli Li
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Jing Zhou
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Zhigao Li
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
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Saeed M, Kuete V, Kadioglu O, Börtzler J, Khalid H, Greten HJ, Efferth T. Cytotoxicity of the bisphenolic honokiol from Magnolia officinalis against multiple drug-resistant tumor cells as determined by pharmacogenomics and molecular docking. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2014; 21:1525-1533. [PMID: 25442261 DOI: 10.1016/j.phymed.2014.07.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2014] [Revised: 06/15/2014] [Accepted: 07/21/2014] [Indexed: 06/04/2023]
Abstract
A main problem in oncology is the development of drug-resistance. Some plant-derived lignans are established in cancer therapy, e.g. the semisynthetic epipodophyllotoxins etoposide and teniposide. Their activity is, unfortunately, hampered by the ATP-binding cassette (ABC) efflux transporter, P-glycoprotein. Here, we investigated the bisphenolic honokiol derived from Magnolia officinalis. P-glycoprotein-overexpressing CEM/ADR5000 cells were not cross-resistant to honokiol, but MDA-MB-231 BRCP cells transfected with another ABC-transporter, BCRP, revealed 3-fold resistance. Further drug resistance mechanisms analyzed study was the tumor suppressor TP53 and the epidermal growth factor receptor (EGFR). HCT116 p53(-/-) did not reveal resistance to honokiol, and EGFR-transfected U87.MG EGFR cells were collateral sensitive compared to wild-type cells (degree of resistance: 0.34). To gain insight into possible modes of collateral sensitivity, we performed in silico molecular docking studies of honokiol to EGFR and EGFR-related downstream signal proteins. Honokiol bound with comparable binding energies to EGFR (-7.30 ± 0.01 kcal/mol) as the control drugs erlotinib (-7.50 ± 0.30 kcal/mol) and gefitinib (-8.30 ± 0.10 kcal/mol). Similar binding affinities of AKT, MEK1, MEK2, STAT3 and mTOR were calculated for honokiol (range from -9.0 ± 0.01 to 7.40 ± 0.01 kcal/mol) compared to corresponding control inhibitor compounds for these signal transducers. This indicates that collateral sensitivity of EGFR-transfectant cells towards honokiol may be due to binding to EGFR and downstream signal transducers. COMPARE and hierarchical cluster analyses of microarray-based transcriptomic mRNA expression data of 59 tumor cell lines revealed a specific gene expression profile predicting sensitivity or resistance towards honokiol.
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Affiliation(s)
- Mohamed Saeed
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Germany
| | - Victor Kuete
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Germany; Department of Biochemistry, Faculty of Science, University of Dschang, Cameroon
| | - Onat Kadioglu
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Germany
| | - Jonas Börtzler
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Germany
| | - Hassan Khalid
- Medicinal and Aromatic Plants Research Institute (MAPRI), National Centre for Research, Khartoum, Sudan
| | - Henry Johannes Greten
- Abel Salazar Biomedical Sciences Institute, University of Porto, Portugal; Heidelberg School of Chinese Medicine, Heidelberg, Germany
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Germany.
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Liao YJ, Bai HY, Li ZH, Zou J, Chen JW, Zheng F, Zhang JX, Mai SJ, Zeng MS, Sun HD, Pu JX, Xie D. Longikaurin A, a natural ent-kaurane, induces G2/M phase arrest via downregulation of Skp2 and apoptosis induction through ROS/JNK/c-Jun pathway in hepatocellular carcinoma cells. Cell Death Dis 2014; 5:e1137. [PMID: 24651440 PMCID: PMC3973226 DOI: 10.1038/cddis.2014.66] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2013] [Revised: 01/15/2014] [Accepted: 01/27/2014] [Indexed: 12/26/2022]
Abstract
Hepatocellular carcinoma (HCC) is the most common form of primary liver cancer, and is also highly resistant to conventional chemotherapy treatments. In this study, we report that Longikaurin A (LK-A), an ent-kaurane diterpenoid isolated from the plant Isodon ternifolius, induced cell cycle arrest and apoptosis in human HCC cell lines. LK-A also suppressed tumor growth in SMMC-7721 xenograft models, without inducing any notable major organ-related toxicity. LK-A treatment led to reduced expression of the proto-oncogene S phase kinase-associated protein 2 (Skp2) in SMMC-7721 cells. Lower Skp2 levels correlated with increased expression of p21 and p-cdc2 (Try15), and a corresponding decrease in protein levels of Cyclin B1 and cdc2. Overexpression of Skp2 significantly inhibited LK-A-induced cell cycle arrest in SMMC-7721 cells, suggesting that LK-A may target Skp2 to arrest cells at the G2/M phase. LK-A also induced reactive oxygen species (ROS) production and apoptosis in SMMC-7721 cells. LK-A induced phosphorylation of c-Jun N-terminal kinase (JNK), but not extracellular signal-regulated kinase and P38 MAP kinase. Treatment with, the JNK inhibitor SP600125 prevented LK-A-induced apoptosis in SMMC-7721 cells. Moreover, the antioxidant N-acetylcysteine prevented phosphorylation of both JNK and c-Jun. Taken together, these data indicate that LK-A induces cell cycle arrest and apoptosis in cancer cells by dampening Skp2 expression, and thereby activating the ROS/JNK/c-Jun signaling pathways. LK-A is therefore a potential lead compound for development of antitumor drugs targeting HCC.
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Affiliation(s)
- Y-J Liao
- Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - H-Y Bai
- 1] Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China [2] Department of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Z-H Li
- Department of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - J Zou
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - J-W Chen
- Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - F Zheng
- Medical Research Center, Sun Yat-Sen Memorial Hospital, Guangzhou, China
| | - J-X Zhang
- Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - S-J Mai
- Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - M-S Zeng
- Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - H-D Sun
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - J-X Pu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - D Xie
- Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
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Capilliposide Isolated from Lysimachia capillipes Hemsl. Induces ROS Generation, Cell Cycle Arrest, and Apoptosis in Human Nonsmall Cell Lung Cancer Cell Lines. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2014; 2014:497456. [PMID: 24523821 PMCID: PMC3910464 DOI: 10.1155/2014/497456] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Accepted: 12/10/2013] [Indexed: 12/24/2022]
Abstract
Several data has reported that capilliposide, extracted from a traditional Chinese medicine, Lysimachia capillipes Hemsl. (LC) could exhibit inhibitory effect on cell proliferation in various cancers. The current study investigated the antitumor efficacy of Capilliposide and elucidated its potential molecular mechanism involved in vivo and vitro. Our results indicated that LC capilliposide inhibited proliferation of lung cancer cells in a dose-dependent manner. LC capilliposide induced cell cycle arrest at the S stage and enhanced apoptosis in NSCLC cells. Treatment with LC capilliposide increased the intracellular level of ROS, which activated the mitochondrial apoptotic pathway. Blockage of ROS by NAC highly reversed the effect of LC capilliposide on apoptosis. Xenograft tumor growth was significantly lower in the LC-treated group compared with the untreated control group (P < 0.05). The results also show that LC treatment does not produce any overt signs of acute toxicity in vivo. These findings demonstrate that LC capilliposide could exert an anti-tumor effect on NSCLC through mitochondrial-mediated apoptotic pathway and the activation of ROS is involved.
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Abstract
SIGNIFICANCE We herein review recent advances on the role exerted by protein redox machines engaged in tumor progression, focusing on cell adhesion and migration, regulation of transcriptional response, and tumor metabolic reprogramming, all features belonging to the new hallmarks of cancer. RECENT ADVANCES Several recent insights have reported that oxidative stress, either due to intracellular sources of oxidants, which are frequently deregulated in cancers or to microenvironment factors as hypoxia or stromal cell contact, plays a key role in tumor malignancy, as well as in metabolic pathways control. Indeed, many proteins behave as sensors of intracellular oxidative stress, including protein tyrosine kinases and phosphatases, transcription factors as p53, forkhead box class-Os, nuclear respiratory factor-2, nuclear factor-kB, hypoxia inducible factor, enzymes involved in glycolysis or penthose phosphate pathway as pyruvate kinase-M2 and adenylate monophosphate kinase, or DNA repair enzymes as Ataxia Teleangectasia Mutated. All these proteins have been reported to play essential roles during cancer progression and their sensitivity to oxidative stress has added new levels of complexity to the cancer field. CRITICAL ISSUES Main significant issues that need to be addressed in redox cancer biology are (i) sensitivity to a different level of oxidative stress of sensors, that is, they can respond to different oxidative insults/signals, and (ii) the real susceptibility of cancer cells to redox-based therapies due to the acknowledged plasticity of cancer cells to develop adoptive strategies. FUTURE DIRECTIONS Definitely, redox machines have the potentiality to develop into novel biomarkers and related target therapies should attain the goal of personalized medicine in the fight against cancer.
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Affiliation(s)
- Matteo Parri
- 1 Department of Biochemical Science, University of Florence , Florence, Italy
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FoxO3a modulates hypoxia stress induced oxidative stress and apoptosis in cardiac microvascular endothelial cells. PLoS One 2013; 8:e80342. [PMID: 24278276 PMCID: PMC3835407 DOI: 10.1371/journal.pone.0080342] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2013] [Accepted: 10/02/2013] [Indexed: 12/13/2022] Open
Abstract
Cardiac microvascular endothelial cells (CMECs) dysfunction induced by hypoxia is an important pathophysiological event in myocardium ischemic injury, whereas, the underlying mechanism is not fully clarified. FoxO transcription factors regulate target genes involved in apoptosis and cellular reactive oxygen species (ROS) production. Therefore, the present study was designed to elucidate the potential role of FoxOs on the hypoxia-induced ROS formation and apoptosis in CMECs. Exposure to low oxygen tension stimulated ROS accumulation and increased apoptosis in CMECs within 6–24 h. Hypoxia also significantly increased the expressions of HIF-1α and FoxO3a. However, hypoxia decreased the phosphorylation of Akt and FoxO3a, correlated with increased nuclear accumulation. Conversely, the expression of FoxO1 was not significantly altered by hypoxia. After inhibition of HIF-1α by siRNA, we observed that hypoxia-induced ROS accumulation and apoptosis of CMECs were decreased. Meanwhile, knockdown of HIF-1α also inhibited hypoxia induced FoxO3a expression in CMECs, but did not affect FoxO1 expression. Furthermore, hypoxia-induced ROS formation and apoptosis in CMECs were correlated with the disturbance of Bcl-2 family proteins, which were abolished by FoxO3a silencing with siRNA. In conclusion, our data provide evidence that FoxO3a leads to ROS accumulation in CMECs, and in parallel, induces the disturbance of Bcl-2 family proteins which results in apoptosis.
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Thedieck K, Holzwarth B, Prentzell MT, Boehlke C, Kläsener K, Ruf S, Sonntag AG, Maerz L, Grellscheid SN, Kremmer E, Nitschke R, Kuehn EW, Jonker JW, Groen AK, Reth M, Hall MN, Baumeister R. Inhibition of mTORC1 by astrin and stress granules prevents apoptosis in cancer cells. Cell 2013; 154:859-74. [PMID: 23953116 DOI: 10.1016/j.cell.2013.07.031] [Citation(s) in RCA: 219] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2013] [Revised: 04/03/2013] [Accepted: 07/23/2013] [Indexed: 12/21/2022]
Abstract
Mammalian target of rapamycin complex 1 (mTORC1) controls growth and survival in response to metabolic cues. Oxidative stress affects mTORC1 via inhibitory and stimulatory inputs. Whereas downregulation of TSC1-TSC2 activates mTORC1 upon oxidative stress, the molecular mechanism of mTORC1 inhibition remains unknown. Here, we identify astrin as an essential negative mTORC1 regulator in the cellular stress response. Upon stress, astrin inhibits mTORC1 association and recruits the mTORC1 component raptor to stress granules (SGs), thereby preventing mTORC1-hyperactivation-induced apoptosis. In turn, balanced mTORC1 activity enables expression of stress factors. By identifying astrin as a direct molecular link between mTORC1, SG assembly, and the stress response, we establish a unifying model of mTORC1 inhibition and activation upon stress. Importantly, we show that in cancer cells, apoptosis suppression during stress depends on astrin. Being frequently upregulated in tumors, astrin is a potential clinically relevant target to sensitize tumors to apoptosis.
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Affiliation(s)
- Kathrin Thedieck
- Faculty of Biology, Albert-Ludwigs-University Freiburg, 79104 Freiburg, Germany.
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Su JH, Chen YC, El-Shazly M, Du YC, Su CW, Tsao CW, Liu LL, Chou Y, Chang WB, Su YD, Chiang MY, Yeh YT, Lu MC. Towards the small and the beautiful: a small dibromotyrosine derivative from Pseudoceratina sp. sponge exhibits potent apoptotic effect through targeting IKK/NFκB signaling pathway. Mar Drugs 2013; 11:3168-85. [PMID: 24065159 PMCID: PMC3801119 DOI: 10.3390/md11093168] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2013] [Revised: 08/09/2013] [Accepted: 08/09/2013] [Indexed: 12/21/2022] Open
Abstract
A dibromotyrosine derivative, (1'R,5'S,6'S)-2-(3',5'-dibromo-1',6'-dihydroxy-4'-oxocyclohex-2'-enyl) acetonitrile (DT), was isolated from the sponge Pseudoceratina sp., and was found to exhibit a significant cytotoxic activity against leukemia K562 cells. Despite the large number of the isolated bromotyrosine derivatives, studies focusing on their biological mechanism of action are scarce. In the current study we designed a set of experiments to reveal the underlying mechanism of DT cytotoxic activity against K562 cells. First, the results of MTT cytotoxic and the annexin V-FITC/PI apoptotic assays, indicated that the DT cytotoxic activity is mediated through induction of apoptosis. This effect was also supported by caspases-3 and -9 activation as well as PARP cleavage. DT induced generation of reactive oxygen species (ROS) and the disruption of mitochondrial membrane potential (MMP) as indicated by flow cytometric assay. The involvement of ROS generation in the apoptotic activity of DT was further corroborated by the pretreatment of K562 cells with N-acetyl-cysteine (NAC), a ROS scavenger, which prevented apoptosis and the disruption of MMP induced by DT. Results of cell-free system assay suggested that DT can act as a topoisomerase II catalytic inhibitor, unlike the clinical anticancer drug, etoposide, which acts as a topoisomerase poison. Additionally, we found that DT treatment can block IKK/NFκB pathway and activate PI3K/Akt pathway. These findings suggest that the cytotoxic effect of DT is associated with mitochondrial dysfunction-dependent apoptosis which is mediated through oxidative stress. Therefore, DT represents an interesting reference point for the development of new cytotoxic agent targeting IKK/NFκB pathway.
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Affiliation(s)
- Jui-Hsin Su
- National Museum of Marine Biology & Aquarium, Pingtung 944, Taiwan; E-Mails: (J.-H.S.); (Y.-C.C.); (C.-W.T.); (W.-B.C.); (Y.-D.S.)
- Graduate Institute of Marine Biotechnology, National Dong Hwa University, Pingtung 944, Taiwan; E-Mail:
| | - Yu-Cheng Chen
- National Museum of Marine Biology & Aquarium, Pingtung 944, Taiwan; E-Mails: (J.-H.S.); (Y.-C.C.); (C.-W.T.); (W.-B.C.); (Y.-D.S.)
| | - Mohamed El-Shazly
- Graduate Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan; E-Mails: (M.E.-S.); (Y.-C.D.)
- Department of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, Ain-Shams University, Organization of African Unity Street, Abassia, Cairo 11566, Egypt
| | - Ying-Chi Du
- Graduate Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan; E-Mails: (M.E.-S.); (Y.-C.D.)
| | - Chiang-Wen Su
- Graduate Institute of Marine Biotechnology, National Dong Hwa University, Pingtung 944, Taiwan; E-Mail:
| | - Chia-Wei Tsao
- National Museum of Marine Biology & Aquarium, Pingtung 944, Taiwan; E-Mails: (J.-H.S.); (Y.-C.C.); (C.-W.T.); (W.-B.C.); (Y.-D.S.)
| | - Li-Lian Liu
- Institute of Marine Biology, National Sun Yat-sen University, Kaohsiung, Taiwan; E-Mails: (L.-L.L.); (Y.C.)
| | - Yalan Chou
- Institute of Marine Biology, National Sun Yat-sen University, Kaohsiung, Taiwan; E-Mails: (L.-L.L.); (Y.C.)
| | - Wen-Been Chang
- National Museum of Marine Biology & Aquarium, Pingtung 944, Taiwan; E-Mails: (J.-H.S.); (Y.-C.C.); (C.-W.T.); (W.-B.C.); (Y.-D.S.)
| | - Yin-Di Su
- National Museum of Marine Biology & Aquarium, Pingtung 944, Taiwan; E-Mails: (J.-H.S.); (Y.-C.C.); (C.-W.T.); (W.-B.C.); (Y.-D.S.)
- Department of Marine Biotechnology and Resources and Asia-Pacific Ocean Research Center, National Sun Yat-sen University, Kaohsiung 804, Taiwan
| | - Michael Y. Chiang
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung 804, Taiwan; E-Mail:
| | - Yao-Tsung Yeh
- Department of Medical Laboratory Sciences and Biotechnology, Fooyin University, Kaohsiung 831, Taiwan; E-Mail:
| | - Mei-Chin Lu
- National Museum of Marine Biology & Aquarium, Pingtung 944, Taiwan; E-Mails: (J.-H.S.); (Y.-C.C.); (C.-W.T.); (W.-B.C.); (Y.-D.S.)
- Graduate Institute of Marine Biotechnology, National Dong Hwa University, Pingtung 944, Taiwan; E-Mail:
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +886-888-250-37; Fax: +886-888-250-87
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Wenz T. Regulation of mitochondrial biogenesis and PGC-1α under cellular stress. Mitochondrion 2013; 13:134-42. [DOI: 10.1016/j.mito.2013.01.006] [Citation(s) in RCA: 177] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2012] [Revised: 12/09/2012] [Accepted: 01/11/2013] [Indexed: 12/14/2022]
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Sunami Y, Araki M, Hironaka Y, Morishita S, Kobayashi M, Liew EL, Edahiro Y, Tsutsui M, Ohsaka A, Komatsu N. Inhibition of the NAD-dependent protein deacetylase SIRT2 induces granulocytic differentiation in human leukemia cells. PLoS One 2013; 8:e57633. [PMID: 23460888 PMCID: PMC3584049 DOI: 10.1371/journal.pone.0057633] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2012] [Accepted: 01/23/2013] [Indexed: 01/24/2023] Open
Abstract
Sirtuins, NAD-dependent protein deacetylases, play important roles in cellular functions such as metabolism and differentiation. Whether sirtuins function in tumorigenesis is still controversial, but sirtuins are aberrantly expressed in tumors, which may keep cancerous cells undifferentiated. Therefore, we investigated whether the inhibition of sirtuin family proteins induces cellular differentiation in leukemic cells. The sirtuin inhibitors tenovin-6 and BML-266 induce granulocytic differentiation in the acute promyelocytic leukemia (APL) cell line NB4. This differentiation is likely caused by an inhibition of SIRT2 deacetylase activity, judging from the accumulation of acetylated α-tubulin, a major SIRT2 substrate. Unlike the clinically used differentiation inducer all-trans retinoic acid, tenovin-6 shows limited effects on promyelocytic leukemia-retinoic acid receptor α (PML-RAR-α) stability and promyelocytic leukemia nuclear body formation in NB4 cells, suggesting that tenovin-6 does not directly target PML-RAR-α activity. In agreement with this, tenovin-6 induces cellular differentiation in the non-APL cell line HL-60, where PML-RAR-α does not exist. Knocking down SIRT2 by shRNA induces granulocytic differentiation in NB4 cells, which demonstrates that the inhibition of SIRT2 activity is sufficient to induce cell differentiation in NB4 cells. The overexpression of SIRT2 in NB4 cells decreases the level of granulocytic differentiation induced by tenovin-6, which indicates that tenovin-6 induces granulocytic differentiation by inhibiting SIRT2 activity. Taken together, our data suggest that targeting SIRT2 is a viable strategy to induce leukemic cell differentiation.
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Affiliation(s)
- Yoshitaka Sunami
- Department of Hematology, Juntendo University School of Medicine, Tokyo, Japan
| | - Marito Araki
- Department of Transfusion Medicine and Stem Cell Regulation, Juntendo University School of Medicine, Tokyo, Japan
| | - Yumi Hironaka
- Department of Hematology, Juntendo University School of Medicine, Tokyo, Japan
| | - Soji Morishita
- Department of Transfusion Medicine and Stem Cell Regulation, Juntendo University School of Medicine, Tokyo, Japan
| | - Masaki Kobayashi
- Department of Hematology, Juntendo University School of Medicine, Tokyo, Japan
- Central Research Laboratories, Sysmex Corporation, Hyogo, Japan
| | - Ei Leen Liew
- Department of Hematology, Juntendo University School of Medicine, Tokyo, Japan
- Fujii Memorial Research Institute, Otsuka Pharmaceutical Co., Ltd., Shiga, Japan
| | - Yoko Edahiro
- Department of Hematology, Juntendo University School of Medicine, Tokyo, Japan
| | - Miyuki Tsutsui
- Department of Hematology, Juntendo University School of Medicine, Tokyo, Japan
| | - Akimichi Ohsaka
- Department of Transfusion Medicine and Stem Cell Regulation, Juntendo University School of Medicine, Tokyo, Japan
| | - Norio Komatsu
- Department of Hematology, Juntendo University School of Medicine, Tokyo, Japan
- * E-mail:
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Chae S, Ahn BY, Byun K, Cho YM, Yu MH, Lee B, Hwang D, Park KS. A Systems Approach for Decoding Mitochondrial Retrograde Signaling Pathways. Sci Signal 2013; 6:rs4. [DOI: 10.1126/scisignal.2003266] [Citation(s) in RCA: 140] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Harris IS, Blaser H, Moreno J, Treloar AE, Gorrini C, Sasaki M, Mason JM, Knobbe CB, Rufini A, Hallé M, Elia AJ, Wakeham A, Tremblay ML, Melino G, Done S, Mak TW. PTPN12 promotes resistance to oxidative stress and supports tumorigenesis by regulating FOXO signaling. Oncogene 2013; 33:1047-54. [DOI: 10.1038/onc.2013.24] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2012] [Revised: 12/21/2012] [Accepted: 12/23/2012] [Indexed: 02/01/2023]
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Liu H, Zhou BH, Qiu X, Wang HS, Zhang F, Fang R, Wang XF, Cai SH, Du J, Bu XZ. T63, a new 4-arylidene curcumin analogue, induces cell cycle arrest and apoptosis through activation of the reactive oxygen species-FOXO3a pathway in lung cancer cells. Free Radic Biol Med 2012; 53:2204-17. [PMID: 23085518 DOI: 10.1016/j.freeradbiomed.2012.10.537] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2012] [Revised: 09/29/2012] [Accepted: 10/08/2012] [Indexed: 12/13/2022]
Abstract
Curcumin (diferuloylmethane) is a natural polyphenol product of the plant Curcuma longa and has a diversity of antitumor activities. T63, a new 4-arylidene curcumin analogue, was reported to inhibit proliferation of lung cancer cells. However, its precise molecular antitumor mechanisms have not been well elucidated. Here, we showed that T63 could significantly inhibit the proliferation of A549 and H460 human lung cell lines via induction of G0/G1 cell cycle arrest and apoptosis. We found that the reactive oxygen species (ROS)-activated FOXO3a cascade plays a central role in T63-induced cell proliferation inhibition. Mechanistically, enhancement of ROS production by T63 induced FOXO3a expression and nuclear translocation through activation of p38MAPK and inhibition of AKT, subsequently elevating the expression of FOXO3a target genes, including p21, p27, and Bim, and then increased the levels of activated caspase-3 and decreased the levels of cyclin D1. Moreover, the antioxidant N-acetylcysteine markedly blocked the above effects, and small interfering RNA-mediated knockdown of FOXO3a also significantly decreased T63-induced cell cycle arrest and apoptosis. In vivo experiments showed that T63 significantly suppressed the growth of A549 lung cancer xenograft tumors, associated with proliferation suppression and apoptosis induction in tumor tissues, without inducing any notable major organ-related toxicity. These data indicated that the novel curcumin analogue T63 is a potent antitumor agent that induces cell cycle arrest and apoptosis and has significant therapeutic potential for lung cancer.
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Affiliation(s)
- Hao Liu
- Department of Microbial and Biochemical Pharmacy, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, People's Republic of China
| | - Bin-Hua Zhou
- Department of Microbial and Biochemical Pharmacy, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, People's Republic of China
| | - Xu Qiu
- Department of Microbial and Biochemical Pharmacy, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, People's Republic of China
| | - Hong-Sheng Wang
- Department of Microbial and Biochemical Pharmacy, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, People's Republic of China
| | - Fan Zhang
- Department of Microbial and Biochemical Pharmacy, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, People's Republic of China
| | - Rui Fang
- Department of Microbial and Biochemical Pharmacy, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, People's Republic of China
| | - Xian-Feng Wang
- Department of Microbial and Biochemical Pharmacy, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, People's Republic of China
| | - Shao-Hui Cai
- Department of Pharmacology, College of Pharmacy, Jinan University, Guangzhou 510632, People's Republic of China
| | - Jun Du
- Department of Microbial and Biochemical Pharmacy, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, People's Republic of China.
| | - Xian-Zhang Bu
- Department of Microbial and Biochemical Pharmacy, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, People's Republic of China.
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Pagliei B, Aquilano K, Baldelli S, Ciriolo MR. Garlic-derived diallyl disulfide modulates peroxisome proliferator activated receptor gamma co-activator 1 alpha in neuroblastoma cells. Biochem Pharmacol 2012. [PMID: 23178651 DOI: 10.1016/j.bcp.2012.11.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The peroxisome proliferator activated receptor gamma co-activator 1 alpha (PGC1α) is an inducible transcriptional co-activator with direct function in the induction of mitochondrial biogenesis. In the present report we show that, in SH-SY5Y neuroblastoma cells, garlic-derived diallyl disulfide (DADS) is able to increase PGC1α expression in a ROS-dependent manner and to induce mitochondrial biogenesis at early stage of treatment that precede cell cycle arrest and apoptosis outcome. In particular, we demonstrate that DADS elicits: i) the increase of PGC1α within nuclear compartment; ii) the decrease of PGC1α non-active acetylated form; iii) the induction of nuclear-encoded mitochondrial genes such as TFAM and TFBM1. We also show an accumulation of PGC1α within mitochondria along with an increased association with the regulatory D-Loop region of mtDNA and a concomitant augmented expression of mitochondrial RNA. Such events are related to a prompt elevation of mitochondrial mass, as assessed by evaluating the content of mtDNA. We show that the induction of mitochondrial biogenesis is directed to dampen the cytotoxic effect of DADS. Indeed, PGC1α overexpression or down-regulation prevents or exacerbates mtDNA loss and apoptosis. Overall the data highlight an anti-apoptotic role of PGC1α-mediated mitochondrial biogenesis in neuroblatoma cells and suggest PGC1α as a potential target for enhancing the effectiveness of therapy in aggressive neuroblastoma with high drug-resistance.
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Affiliation(s)
- Beatrice Pagliei
- Dept. Biology, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy
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KIM SUNGHEE, KIM KYUNGHEE, YOO BYONGCHUL, KU JALOK. Induction of LGR5 by H2O2 treatment is associated with cell proliferation via the JNK signaling pathway in colon cancer cells. Int J Oncol 2012; 41:1744-50. [DOI: 10.3892/ijo.2012.1596] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2012] [Accepted: 07/13/2012] [Indexed: 11/06/2022] Open
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Abstract
PURPOSE To review the cellular mechanisms of hormetic effects induced by low dose and low dose rate ionising radiation in model systems, and to call attention to the possible role of autophagy in some hormetic effects. RESULTS AND CONCLUSIONS Very low radiation doses stimulate cell proliferation by changing the equilibrium between the phosphorylated and dephosphorylated forms of growth factor receptors. Radioadaptation is induced by various weak stress stimuli and depends on signalling events that ultimately decrease the molecular damage expression at the cellular level upon subsequent exposure to a moderate radiation dose. Ageing and cancer result from oxidative damage under oxidative stress conditions; nevertheless, ROS are also prominent inducers of autophagy, a cellular process that has been shown to be related both to ageing retardation and cancer prevention. A balance between the signalling functions and damaging effects of ROS seems to be the most important factor that decides the fate of the mammalian cell when under oxidative stress conditions, after exposure to ionising radiation. Not enough is yet known on the pre-requirements for maintaining such a balance. Given the present stage of investigation into radiation hormesis, the application of the conclusions from experiments on model systems to the radiation protection regulations would not be justified.
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Affiliation(s)
- Irena Szumiel
- Centre for Radiobiology and Biological Dosimetry, Institute of Nuclear Chemistry and Technology, Warsaw, Poland.
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Nechipurenko IV, Broihier HT. FoxO limits microtubule stability and is itself negatively regulated by microtubule disruption. ACTA ACUST UNITED AC 2012; 196:345-62. [PMID: 22312004 PMCID: PMC3275378 DOI: 10.1083/jcb.201105154] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
FoxO inhibits microtubule stability in the central nervous system, making its degradation an essential component of a cell’s protective response to cytoskeletal insult. Transcription factors are essential for regulating neuronal microtubules (MTs) during development and after axon damage. In this paper, we identify a novel neuronal function for Drosophila melanogaster FoxO in limiting MT stability at the neuromuscular junction (NMJ). foxO loss-of-function NMJs displayed augmented MT stability. In contrast, motor neuronal overexpression of wild-type FoxO moderately destabilized MTs, whereas overexpression of constitutively nuclear FoxO severely destabilized MTs. Thus, FoxO negatively regulates synaptic MT stability. FoxO family members are well-established components of stress-activated feedback loops. We hypothesized that FoxO might also be regulated by cytoskeletal stress because it was well situated to shape neuronal MT organization after cytoskeletal damage. Indeed, levels of neuronal FoxO were strongly reduced after acute pharmacological MT disruption as well as sustained genetic disruption of the neuronal cytoskeleton. This decrease was independent of the dual leucine zipper kinase–Wallenda pathway and required function of Akt kinase. We present a model wherein FoxO degradation is a component of a stabilizing, protective response to cytoskeletal insult.
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Affiliation(s)
- Inna V Nechipurenko
- Department of Neurosciences, Case Western Reserve University, Cleveland, OH 44106, USA
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Knockdown of RON inhibits AP-1 activity and induces apoptosis and cell cycle arrest through the modulation of Akt/FoxO signaling in human colorectal cancer cells. Dig Dis Sci 2012; 57:371-80. [PMID: 21901254 DOI: 10.1007/s10620-011-1892-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2011] [Accepted: 08/24/2011] [Indexed: 12/30/2022]
Abstract
BACKGROUND/AIMS Altered Recepteur d'Origine nantais (RON) expression transduces signals inducting invasive growth phenotype that includes cell proliferation, migration, matrix invasion, and protection of apoptosis in human cancer cells. The aims of the current study were to evaluate whether RON affects tumor cell behavior and cellular signaling pathways including activator protein-1 (AP-1) and Akt/forkhead box O (FoxO) in human colorectal cancer cells. METHODS To study the biological role of RON on tumor cell behavior and cellular signaling pathways in human colorectal cancer, we used small interfering RNA (siRNA) to knockdown RON gene expression in human colorectal cancer cell line, DKO-1. RESULTS Knockdown of RON diminished migration, invasion, and proliferation of human colorectal cancer cells. Knockdown of RON decreased AP-1 transcriptional activity and expression of AP-1 target genes. Knockdown of RON activated cleaved caspase-3, -7, -9, and PARP, and down-regulated the expression of Mcl-1, survivin and XIAP, leading to induction of apoptosis. Knockdown of RON induced cell cycle arrest in the G2/M phase of cancer cells by an increase of p27 and a decrease of cyclin D3. Knockdown of RON inhibited the phosphorylation of Akt/FoxO signaling proteins such as Ser473 and Thr308 of Akt and FoxO1/3a. CONCLUSIONS These results indicate that knockdown of RON inhibits AP-1 activity and induces apoptosis and cell cycle arrest through the modulation of Akt/FoxO signaling in human colorectal cancer cells.
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