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Gaggini M, Marchi F, Pylypiv N, Parlanti A, Storti S, Paradossi U, Berti S, Vassalle C. Vitamin D and Ceramide Metabolomic Profile in Acute Myocardial Infarction. Metabolites 2024; 14:233. [PMID: 38668361 PMCID: PMC11052114 DOI: 10.3390/metabo14040233] [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: 03/01/2024] [Revised: 04/12/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Sphingolipids (SLs) influence several cellular pathways, while vitamin D exerts many extraskeletal effects in addition to its traditional biological functions, including the modulation of calcium homeostasis and bone health. Moreover, Vitamin D and SLs affect the regulation of each others' metabolism; hence, this study aims to evaluate the relationship between the levels of 25(OH)D and ceramides in acute myocardial infarction (AMI). In particular, the blood abundance of eight ceramides and 25(OH)D was evaluated in 134 AMI patients (aged 68.4 ± 12.0 years, 72% males). A significant inverse correlation between 25(OH)D and both Cer(d18:1/16:0) and Cer(d18:1/18:0) was found; indeed, patients with severe hypovitaminosis D (<10 ng/mL) showed the highest levels of the two investigated ceramides. Moreover, diabetic/dyslipidemic patients with suboptimal levels of 25(OH)D (<30 ng/mL) had higher levels of both the ceramides when compared with the rest of the population. On the other hand, 25(OH)D remained an independent determinant for Cer(d18:1/16:0) (STD Coeff -0.18, t-Value -2, p ≤ 0.05) and Cer(d18:1/18:0) (-0.2, -2.2, p < 0.05). In light of these findings, the crosstalk between sphingolipids and vitamin D may unravel additional mechanisms by which these molecules can influence CV risk in AMI.
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Affiliation(s)
- Melania Gaggini
- Institute of Clinical Physiology, National Research Council, Via G. Moruzzi 1, 56124 Pisa, Italy;
| | - Federica Marchi
- Fondazione CNR-Regione Toscana Gabriele Monasterio, Ospedale G Pasquinucci, 54100 Massa, Italy; (F.M.); (N.P.); (A.P.); (S.S.); (U.P.); (S.B.)
| | - Nataliya Pylypiv
- Fondazione CNR-Regione Toscana Gabriele Monasterio, Ospedale G Pasquinucci, 54100 Massa, Italy; (F.M.); (N.P.); (A.P.); (S.S.); (U.P.); (S.B.)
| | - Alessandra Parlanti
- Fondazione CNR-Regione Toscana Gabriele Monasterio, Ospedale G Pasquinucci, 54100 Massa, Italy; (F.M.); (N.P.); (A.P.); (S.S.); (U.P.); (S.B.)
| | - Simona Storti
- Fondazione CNR-Regione Toscana Gabriele Monasterio, Ospedale G Pasquinucci, 54100 Massa, Italy; (F.M.); (N.P.); (A.P.); (S.S.); (U.P.); (S.B.)
| | - Umberto Paradossi
- Fondazione CNR-Regione Toscana Gabriele Monasterio, Ospedale G Pasquinucci, 54100 Massa, Italy; (F.M.); (N.P.); (A.P.); (S.S.); (U.P.); (S.B.)
| | - Sergio Berti
- Fondazione CNR-Regione Toscana Gabriele Monasterio, Ospedale G Pasquinucci, 54100 Massa, Italy; (F.M.); (N.P.); (A.P.); (S.S.); (U.P.); (S.B.)
| | - Cristina Vassalle
- Fondazione CNR-Regione Toscana Gabriele Monasterio, Via G. Moruzzi 1, 56124 Pisa, Italy
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Fenizia S, Gaggini M, Vassalle C. Interplay between Vitamin D and Sphingolipids in Cardiometabolic Diseases. Int J Mol Sci 2023; 24:17123. [PMID: 38069444 PMCID: PMC10706901 DOI: 10.3390/ijms242317123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 11/28/2023] [Accepted: 12/03/2023] [Indexed: 12/18/2023] Open
Abstract
Sphingolipids (SLs) are structural, bioactive molecules with several key cellular roles, whereas 1,25-dihydroxyvitamin D (1,25(OH)D), the active form of vitamin D, is considered the major regulator of calcium homeostasis, although it also exerts other extraskeletal effects. Many studies reported the physiological connection between vitamin D and SLs, highlighting not only the effects of vitamin D on SL metabolism and signaling but also the influence of SLs on vitamin D levels and function, thus strongly suggesting a crosstalk between these molecules. After a brief description of 1,25(OH)D and SL metabolism, this review aims to discuss the preclinical and clinical evidence on the crosstalk between SLs and 1,25(OH)D, with a special focus on cardiometabolic diseases.
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Affiliation(s)
- Simona Fenizia
- Department of Sciences and Technological Innovation, University of Piemonte Orientale, Corso Trieste 15/A, I-28100 Novara, Italy;
- Department of Translational Medicine, University of Piemonte Orientale, Corso Trieste 15/A, I-28100 Novara, Italy
| | - Melania Gaggini
- Istituto di Fisiologia Clinica, Italian National Research Council, Via Moruzzi 1, I-56124 Pisa, Italy;
| | - Cristina Vassalle
- Fondazione CNR-Regione Toscana G. Monasterio, Via Moruzzi 1, I-56124 Pisa, Italy
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Li H, Lu N, Yu X, Liu X, Hu P, Zhu Y, Shen L, Xu J, Li Z, Guo Q, Hui H. Oroxylin A, a natural compound, mitigates the negative effects of TNFα-treated acute myelogenous leukemia cells. Carcinogenesis 2019; 39:1292-1303. [PMID: 29346508 DOI: 10.1093/carcin/bgy004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Accepted: 01/10/2018] [Indexed: 12/21/2022] Open
Abstract
Tumor necrosis factor alpha (TNFα) is a complicated cytokine which is involved in proliferation and differentiation of acute myelogenous leukemia (AML) cells through a poorly understood mechanism. Mechanistic studies indicate that TNFα induced binding of PI3K subunit p85α to N-terminal truncated nuclear receptor RXRα (tRXRα) proteins, and activated AKT. The activated PI3K/AKT pathway negatively regulated differentiation of AML cells through the upregulation of c-Myc. In addition, TNFα also induced activation of nuclear factor κB (NF-κB), a nuclear transcription factor which was shown to promote cell proliferation. The present study demonstrates that oroxylin A, a natural compound isolated from Scutellariae radix, sensitizes leukemia cells to TNFα and markedly enhances TNFα-induced growth inhibition and differentiation of AML cell including human leukemia cell lines and primary AML cells. Activation of PI3K/AKT pathway could be inhibited by oroxylin A through inhibiting expression of tRXRα in NB4 and HL-60-resistant cells. Furthermore, we found that oroxylin A inhibited the activation of NF-κB and the DNA binding activity by TNFα proved by EMSA in these two AML cell lines. Moreover, in vivo studies showed that treatment with oroxylin A in combination with TNFα decreased AML cell population and prolonged survival in NOD/SCID mice with xenografts of primary AML cells. Overall, our results indicate that oroxylin A is able to inhibit the negative effects of TNFα for AML therapy, suggesting that combination of oroxylin A and TNFα have the potential to delay growth or eliminate the abnormal leukemic cells, thus representing a promising strategy for AML treatment.
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Affiliation(s)
- Hui Li
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Na Lu
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Xiaoxuan Yu
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Xiao Liu
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Po Hu
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Yu Zhu
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, People's Republic of China.,Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, Jiangsu Province, People's Republic of China
| | - Le Shen
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Jingyan Xu
- Department of Hematology, The Affiliated DrumTower Hospital of Nanjing University Medical School, Nanjing, People's Republic of China
| | - Zhiyu Li
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Qinglong Guo
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Hui Hui
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, People's Republic of China
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Pezeshki SMS, Asnafi AA, Khosravi A, Shahjahani M, Azizidoost S, Shahrabi S. Vitamin D and its receptor polymorphisms: New possible prognostic biomarkers in leukemias. Oncol Rev 2018; 12:366. [PMID: 30405894 PMCID: PMC6199555 DOI: 10.4081/oncol.2018.366] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Accepted: 06/13/2018] [Indexed: 12/28/2022] Open
Abstract
Several factors such as chromosomal translocations, gene mutations, and polymorphisms are involved in the pathogenesis of leukemia/lymphoma. Recently, the role of vitamin D (VD) and vitamin D receptor (VDR) polymorphisms in hematologic malignancies has been considered. In this review, we examine the possible role of VD levels, as well as VDR polymorphisms as prognostic biomarkers in leukemia/lymphoma. Relevant English language literature were searched and retrieved from Google Scholar search engine (1985-2017). The following keywords were used: vitamin D, vitamin D receptor, leukemia, lymphoma, and polymorphism. Increased serum levels of VD in patients with leukemia are associated with a better prognosis. However, low VD levels are associated with a poor prognosis, and VDR polymorphisms in various leukemias can have prognostic value. VD biomarker can be regarded as a potential prognostic factor for a number of leukemias, including acute myeloblastic leukemia (AML), chronic lymphoblastic leukemia (CLL), and diffuse large B-cell lymphoma (DLBCL). There is a significant relationship between different polymorphisms of VDR (including Taq I and Fok I) with several leukemia types such as ALL and AML, which may have prognostic value.
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Affiliation(s)
- Seyed Mohammad Sadegh Pezeshki
- Thalassemia and Hemoglobinopathy Research Center, Research Institute of Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ali Amin Asnafi
- Thalassemia and Hemoglobinopathy Research Center, Research Institute of Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Abbas Khosravi
- Thalassemia and Hemoglobinopathy Research Center, Research Institute of Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohammad Shahjahani
- Thalassemia and Hemoglobinopathy Research Center, Research Institute of Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Shirin Azizidoost
- Thalassemia and Hemoglobinopathy Research Center, Research Institute of Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Saeid Shahrabi
- Department of Biochemistry and Hematology, Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
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5
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Application of vitamin D and vitamin D analogs in acute myelogenous leukemia. Exp Hematol 2017; 50:1-12. [DOI: 10.1016/j.exphem.2017.01.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Revised: 01/16/2017] [Accepted: 01/26/2017] [Indexed: 12/18/2022]
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6
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Shang HS, Shih YL, Lee CH, Hsueh SC, Liu JY, Liao NC, Chen YL, Huang YP, Lu HF, Chung JG. Sulforaphane-induced apoptosis in human leukemia HL-60 cells through extrinsic and intrinsic signal pathways and altering associated genes expression assayed by cDNA microarray. ENVIRONMENTAL TOXICOLOGY 2017; 32:311-328. [PMID: 26833863 DOI: 10.1002/tox.22237] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Revised: 12/28/2015] [Accepted: 12/30/2015] [Indexed: 06/05/2023]
Abstract
Sulforaphane (SFN), one of the isothiocyanates, is a biologically active compound extracted from cruciferous vegetables, and has been shown to induce cytotoxic effects on many human cancer cells including human leukemia cells. However, the exact molecular mechanism and altered gene expression associated with apoptosis is unclear. In this study, we investigated SFN-induced cytotoxic effects and whether or not they went through cell-cycle arrest and induction of apoptosis and further examined molecular mechanism and altered gene expression in human leukemia HL-60 cells. Cell viability, cell-cycle distribution, sub-G1 (apoptosis), reactive oxygen species (ROS) and Ca2+ production, levels of mitochondrial membrane potential (ΔΨm ), and caspase-3, -8, and -9 activities were assayed by flow cytometry. Apoptosis-associated proteins levels and gene expressions were examined by Western blotting and cDNA microarray assays, respectively. Results indicated that SFN decreased viable cells, induced G2/M phase arrest and apoptosis based on sub-G1 phase development. Furthermore, SFN increased ROS and Ca2+ production and decreased the levels of ΔΨm and activated caspase-3, -8, and -9 activities in HL-60 cells. SFN significantly upregulated the expression of BAX, Bid, Fas, Fas-L, caspase-8, Endo G, AIF, and cytochrome c, and inhibited the antiapoptotic proteins such as Bcl-x and XIAP, that is associated with apoptosis. We also used cDNA microarray to confirm several gene expressions such as caspase -8, -3, -4, -6, and -7 that are affected by SFN. Those results indicated that SFN induced apoptosis in HL-60 cells via Fas- and mitochondria-dependent pathways. © 2016 Wiley Periodicals, Inc. Environ Toxicol 32: 311-328, 2017.
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Affiliation(s)
- Hung-Sheng Shang
- Department of Pathology, National Defense Medical Center, Division of Clinical Pathology, Tri-Service General Hospital, Taipei, Taiwan
| | - Yung-Luen Shih
- School of Medicine, Fu-Jen Catholic University, Taipei, Taiwan
- Department of Pathology and Laboratory Medicine, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan
- School of Medical Laboratory Science and Biotechnology, Taipei Medical University, Taipei, Taiwan
| | - Ching-Hsiao Lee
- Jen-the Junior College of Medicine, Nursing and Management, Miaoli County, Taiwan
| | - Shu-Ching Hsueh
- Departments of Clinical Pathology, Cheng Hsin General Hospital, Taipei, Taiwan
| | - Jia-You Liu
- Departments of Clinical Pathology, Cheng Hsin General Hospital, Taipei, Taiwan
| | - Nien-Chieh Liao
- Departments of Clinical Pathology, Cheng Hsin General Hospital, Taipei, Taiwan
| | - Yung-Liang Chen
- Department of Medical Laboratory Science and Biotechnology, Yuanpei University, Hsinchu, Taiwan
| | - Yi-Ping Huang
- Department of Physiology, China Medical University, Taichung 404, Taiwan
| | - Hsu-Feng Lu
- Departments of Clinical Pathology, Cheng Hsin General Hospital, Taipei, Taiwan
- Departments of Restaurant, Hotel and Institutional Management, Fu-Jen Catholic University, Taipei, Taiwan
| | - Jing-Gung Chung
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan
- Department of Biotechnology, Asia University, Taichung, Taiwan
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Yun SH, Shin SW, Stonik VA, Park JI. Ceramide as a Target of Marine Triterpene Glycosides for Treatment of Human Myeloid Leukemia. Mar Drugs 2016; 14:md14110205. [PMID: 27827870 PMCID: PMC5128748 DOI: 10.3390/md14110205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 10/19/2016] [Accepted: 10/28/2016] [Indexed: 12/16/2022] Open
Abstract
Acute myeloid leukemia (AML) is a heterogeneous myeloid clonal disorder exhibiting the accumulation of immature myeloid progenitors in the bone marrow and peripheral blood. Standard AML therapy requires intensive combination chemotherapy, which leads to significant treatment-related toxicity. The search for new, low toxic marine agents, inducing the generation of ceramide in leukemic cells is a new approach to improve the therapy of leukemia. This review focuses on the metabolism of sphingolipids, the role of ceramide in treating leukemia, and the antitumor activity, related to ceramide metabolism, of some marine metabolites, particularly stichoposides, triterpene glycosides extracted from sea cucumbers of the family Stichopodiidae.
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Affiliation(s)
- Seong-Hoon Yun
- Department of Biochemistry, Dong-A University College of Medicine, 32 Daesingongwon-ro, Seo-Gu, Busan 49201, Korea.
| | - Sung-Won Shin
- Department of Biochemistry, Dong-A University College of Medicine, 32 Daesingongwon-ro, Seo-Gu, Busan 49201, Korea.
| | - Valentin A Stonik
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Science, Vladivostok 690022, Russia.
- Department of Bioorganic Chemistry and Biotechnology, School of Natural Sciences, Far East Federal University, Vladivostok 690091, Russia.
| | - Joo-In Park
- Department of Biochemistry, Dong-A University College of Medicine, 32 Daesingongwon-ro, Seo-Gu, Busan 49201, Korea.
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Studzinski GP, Harrison JS, Wang X, Sarkar S, Kalia V, Danilenko M. Vitamin D Control of Hematopoietic Cell Differentiation and Leukemia. J Cell Biochem 2016; 116:1500-12. [PMID: 25694395 DOI: 10.1002/jcb.25104] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Accepted: 01/23/2015] [Indexed: 12/20/2022]
Abstract
It is now well known that in the mammalian body vitamin D is converted by successive hydroxylations to 1,25-dihydroxyvitamin D (1,25D), a steroid-like hormone with pleiotropic properties. These include important contributions to the control of cell proliferation, survival and differentiation, as well as the regulation of immune responses in disease. Here, we present recent advances in current understanding of the role of 1,25D in myelopoiesis and lymphopoiesis, and the potential of 1,25D and analogs (vitamin D derivatives; VDDs) for the control of hematopoietic malignancies. The reasons for the unimpressive results of most clinical studies of the therapeutic effects of VDDs in leukemia and related diseases may include the lack of a precise rationale for the conduct of these studies. Further, clinical trials to date have generally used extremely heterogeneous patient populations and, in many cases, small numbers of patients, generally without controls. Although low calcemic VDDs have been used and combined with agents that can increase the leukemia cell killing or differentiation effects in acute leukemias, the sequencing of agents used for combination therapy should to be more clearly delineated. Most importantly, it is recommended that in future clinical trials the rationale for the basis of the enhancing action of drug combinations should be clearly articulated and the effects on anticancer immunity should also be evaluated.
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Affiliation(s)
- George P Studzinski
- Department of Pathology & Laboratory Medicine, Rutgers, NJ Medical School, 185 South Orange Ave, Newark, New Jersey 07103
| | - Jonathan S Harrison
- Department of Medicine, University of Missouri Medical School, One Hospital Drive, Columbia, Missouri 65212
| | - Xuening Wang
- Department of Pathology & Laboratory Medicine, Rutgers, NJ Medical School, 185 South Orange Ave, Newark, New Jersey 07103
| | - Surojit Sarkar
- The Huck Institutes of Life Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802
| | - Vandana Kalia
- The Huck Institutes of Life Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802
| | - Michael Danilenko
- Department of Clinical Biochemistry & Pharmacology, Faculty of Health Sciences, Ben-Gurion University of the Negev, P.O. Box 653, 84105, Beer-Sheva, Israel
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Wang C, Hu X, Gao Y, Ji Y. ZnO Nanoparticles Treatment Induces Apoptosis by Increasing Intracellular ROS Levels in LTEP-a-2 Cells. BIOMED RESEARCH INTERNATIONAL 2015; 2015:423287. [PMID: 26339612 PMCID: PMC4538331 DOI: 10.1155/2015/423287] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Accepted: 11/07/2014] [Indexed: 01/06/2023]
Abstract
Owing to the wide use of novel nanoparticles (NPs) such as zinc oxide (ZnO) in all aspects of life, toxicological research on ZnO NPs is receiving increasing attention in these days. In this study, the toxicity of ZnO NPs in a human pulmonary adenocarcinoma cell line LTEP-a-2 was tested in vitro. Log-phase cells were exposed to different levels of ZnO NPs for hours, followed by colorimetric cell viability assay using tetrazolium salt and cell survival rate assay using trypan blue dye. Cell morphological changes were observed by Giemsa staining and light microscopy. Apoptosis was detected by using fluorescence microscopy and caspase-3 activity assay. Both intracellular reactive oxygen species (ROS) and reduced glutathione (GSH) were examined by a microplate-reader method. Results showed that ZnO NPs (≥ 0.01 μg/mL) significantly inhibited proliferation (P < 0.05) and induced substantial apoptosis in LTEP-a-2 cells after 4 h of exposure. The intracellular ROS level rose up to 30-40% corresponding to significant depletion (approximately 70-80%) in GSH content in LTEP-a-2 cells (P < 0.05), suggesting that ZnO NPs induced apoptosis mainly through increased ROS production. This study elucidates the toxicological mechanism of ZnO NPs in human pulmonary adenocarcinoma cells and provides reference data for application of nanomaterials in the environment.
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Affiliation(s)
- Caixia Wang
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, 17 Chunhui Road, Laishan District, Yantai 264003, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaoke Hu
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, 17 Chunhui Road, Laishan District, Yantai 264003, China
| | - Yan Gao
- National Oceanographic Center, Qingdao 266071, China
| | - Yinglu Ji
- College of Marine Life Science, Ocean University of China, Qingdao 266003, China
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The critical role of redox homeostasis in shikonin-induced HL-60 cell differentiation via unique modulation of the Nrf2/ARE pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2012; 2012:781516. [PMID: 23119122 PMCID: PMC3478756 DOI: 10.1155/2012/781516] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2012] [Accepted: 09/11/2012] [Indexed: 02/06/2023]
Abstract
Among various cancer cell lines, the leukemia cell line HL-60 was most sensitive to Shikonin, with evidence showing both the prooxidative activities and proapoptotic effects of micromolar concentrations of Shikonin. However, the mechanism involved in the cytotoxicity of Shikonin in the submicromolar range has not been fully characterized. Using biochemical and free radical biological experiments in vitro, we identified the prodifferentiated profiles of Shikonin and evaluated the redox homeostasis during HL-60 differentiation. The data showed a strong dose-response relationship between Shikonin exposure and the characteristics of HL-60 differentiation in terms of morphology changes, nitroblue tetrazolium (NBT) reductive activity, and the expression level of surface antigens CD11b/CD14. During drug exposure, intercellular redox homeostasis changes towards oxidation are necessary to support Shikonin-induced differentiation, which was proven by additional enzymatic and non-enzymatic redox modulators. A statistically significant and dose-dependent increase (P < 0.05) was recorded with regard to the unique expression levels of the Nrf2/ARE downstream target genes in HL-60 cells undergoing late differentiation, which were restored with further antioxidants employed with the Shikonin treatment. Our research demonstrated that Shikonin is a differentiation-inducing agent, and its mechanisms involve the Nrf2/ARE pathway to modulate the intercellular redox homeostasis, thus facilitating differentiation.
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Kim M, Mirandola L, Pandey A, Nguyen DD, Jenkins MR, Turcel M, Cobos E, Chiriva-Internati M. Application of vitamin D and derivatives in hematological malignancies. Cancer Lett 2012; 319:8-22. [DOI: 10.1016/j.canlet.2011.10.026] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2011] [Revised: 10/15/2011] [Accepted: 10/17/2011] [Indexed: 11/16/2022]
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12
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Wang M, Wang L, Pan XJ, Zhang H. Monocytic differentiation of K562 cells induced by proanthocyanidins from grape seeds. Arch Pharm Res 2012; 35:129-35. [PMID: 22297751 DOI: 10.1007/s12272-012-0114-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2011] [Revised: 02/27/2011] [Accepted: 07/15/2011] [Indexed: 10/14/2022]
Abstract
Grape seeds procyanidins can inhibit the proliferation of some cancer cell lines and have strong antioxidant activity. The purpose of this study was to investigate whether grape seeds procyanidins affect the proliferation and redifferentiation in K562 cells. The sulforhodamine B colorimetric assay and trypan blue staining were used to measure cell proliferation and survival. Morphological changes, NBT reductive activity, and surface antigens were used to detect redifferentiation of K562 cells. Intracellular reactive oxygen species (iROS) were detected by a fluorescent probe. Grape seeds procyanidins inhibited cell proliferation but the treatment did not appreciably increase lethality. After treatment with grape seeds procyanidins, a typical differentiated morphology was observed. The positive rate of CD11b and CD14 cells and NBT reductive activities increased significantly. As antioxidants, grape seeds procyanidins can induce arrest in the phase G1 and decrease iROS formation. All results indicate that the antioxidant grape seeds procyanidins are likely to induce monocytic differentiation in leukemia cells, mostly through decreasing iROS formation and inducing phase G1 arrest.
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Affiliation(s)
- Min Wang
- State Key Laboratory of Biotherapy, Sichuan University, Chengdu 610041, China
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13
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Ekiz HA, Baran Y. Therapeutic applications of bioactive sphingolipids in hematological malignancies. Int J Cancer 2010; 127:1497-506. [DOI: 10.1002/ijc.25478] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Hughes PJ, Marcinkowska E, Gocek E, Studzinski GP, Brown G. Vitamin D3-driven signals for myeloid cell differentiation--implications for differentiation therapy. Leuk Res 2009; 34:553-65. [PMID: 19811822 DOI: 10.1016/j.leukres.2009.09.010] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2009] [Revised: 09/05/2009] [Accepted: 09/07/2009] [Indexed: 10/20/2022]
Abstract
Primitive myeloid leukemic cell lines can be driven to differentiate to monocyte-like cells by 1alpha,25-dihydroxyvitamin D(3) (1,25(OH)(2)D(3)), and, therefore, 1,25(OH)(2)D(3) may be useful in differentiation therapy of myeloid leukemia and myelodysplastic syndromes (MDS). Recent studies have provided important insights into the mechanism of 1,25(OH)(2)D(3)-stimulated differentiation. For myeloid progenitors to complete monocytic differentiation a complex network of intracellular signals has to be activated and/or inactivated in a precise temporal and spatial pattern. 1,25(OH)(2)D(3) achieves this change to the 'signaling landscape' by (i) direct genomic modulation of the level of expression of key regulators of cell signaling and differentiation pathways, and (ii) activation of intracellular signaling pathways. An improved understanding of the mode of action of 1,25(OH)(2)D(3) is facilitating the development of new therapeutic regimens.
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Affiliation(s)
- Philip J Hughes
- School of Immunity and Infection, College of Medical and Dental Sciences, The University of Birmingham, Vincent Drive, Edgbaston, Birmingham, West Midlands B15 2TT, UK
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Hughes PJ, Brown G. Interplay between signalling pathways mediates 1,25alpha-dihydroxyvitamin D3-driven monocytic differentiation--JNKs are important. Leuk Res 2009; 33:1298-300. [PMID: 19428105 DOI: 10.1016/j.leukres.2009.03.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2009] [Revised: 03/16/2009] [Accepted: 03/16/2009] [Indexed: 10/20/2022]
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Li D, Wang Z, Chen H, Wang J, Zheng Q, Shang J, Li J. Isoliquiritigenin induces monocytic differentiation of HL-60 cells. Free Radic Biol Med 2009; 46:731-6. [PMID: 19110051 DOI: 10.1016/j.freeradbiomed.2008.11.011] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2008] [Revised: 10/29/2008] [Accepted: 11/10/2008] [Indexed: 01/22/2023]
Abstract
It has been proven that isoliquiritigenin could inhibit the proliferation of some kinds of cancer cell lines and has a strong antioxidative activity. The purpose of this study is to investigate whether the antioxidant isoliquiritigenin affects the proliferation and redifferentiation in HL-60 cells. The 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium (MTT) colorimetric method and trypan blue staining were used to measure cell proliferentiation and survival. The morphological changes, nitroblue tetrazolium chloride (NBT) reductive activity, and the CD11b and CD14 surface antigens were used as the biomarkers of redifferentiation of HL-60 cells. The intracellular reactive oxygen species (iROS) level was detected by a fluorescent probe, 2,7-dichlorodihydrofluorescein diacetate (DCFH-DA). Isoliquiritigenin (ISL) inhibited the cell proliferation and decreased the iROS levels in a dose-dependent manner, while the treatment did not increase the lethality rate. After 72 h treatment with 10 microg/ml ISL, a typical differentiated morphology was observed in HL-60 cells, including the decrease of karyoplasmic ratio and the increase of kidney-shape nuclear cells. The positive rate (%) of CD11b (26.4+/-3.90 vs 7.70+/-1.04, P<0.01) and CD14 (20.4+/-2.30 vs 2.63+/-0.133, P<0.01) cells increased significantly. The NBT reductive activity increased 2.3-fold as compared to that of the control group. As an antioxidant, ISL decreased the iROS formation in a dose-dependent manner. All the results indicate that the antioxidant ISL is able to induce the monocytic differentiation in leukemia cells. ISL has the potential as a drug to cure leukemia with fewer side effects.
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Affiliation(s)
- Defang Li
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources, Ministry of Education, School of Pharmacy, Shihezi University, Shihezi 832002, China
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Abstract
The protein kinase C (PKC) family of proteins includes several kinases that share structural homology, but at the same time exhibit substantial functional diversity. There is a significant amount of evidence establishing distinct patterns of expression and function for different PKC isoforms and groups in different leukemias. Although most members of this family promote leukemic cell survival and growth, others exhibit opposing effects and participate in the generation of antileukemic responses. This review summarizes work in this field on the relevance of distinct members of the PKC family in the pathophysiology of myeloid and lymphoid leukemias. The clinical-therapeutic potential of such ongoing work for the treatment of future development of novel approaches for the treatment of different types of leukemias is discussed.
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Affiliation(s)
- Amanda J Redig
- Robert H. Lurie Comprehensive Cancer Center and Division of Hematology/Oncology, Northwestern University Medical School and Lakeside VA Medical Center, Chicago, IL 60611, USA
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