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Xian G, Huang R, Xu M, Zhao H, Xu X, Chen Y, Ren H, Xu D, Zeng Q. Noncoding RNA regulates the expression of Krm1 and Dkk2 to synergistically affect aortic valve lesions. Exp Mol Med 2024; 56:1560-1573. [PMID: 38945954 PMCID: PMC11297286 DOI: 10.1038/s12276-024-01256-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 02/26/2024] [Accepted: 03/19/2024] [Indexed: 07/02/2024] Open
Abstract
Calcific aortic valve disease (CAVD) is becoming an increasingly important global medical problem, but effective pharmacological treatments are lacking. Noncoding RNAs play a pivotal role in the progression of cardiovascular diseases, but their relationship with CAVD remains unclear. Sequencing data revealed differential expression of many noncoding RNAs in normal and calcified aortic valves, with significant differences in circHIPK3 and miR-182-5p expression. Overexpression of circHIPK3 ameliorated aortic valve lesions in a CAVD mouse model. In vitro experiments demonstrated that circHIPK3 inhibits the osteogenic response of aortic valve interstitial cells. Mechanistically, DEAD-box helicase 5 (DDX5) recruits methyltransferase 3 (METTL3) to promote the N6-methyladenosine (m6A) modification of circHIPK3. Furthermore, m6A-modified circHIPK3 increases the stability of Kremen1 (Krm1) mRNA, and Krm1 is a negative regulator of the Wnt/β-catenin pathway. Additionally, miR-182-5p suppresses the expression of Dickkopf2 (Dkk2), the ligand of Krm1, and attenuates the Krm1-mediated inhibition of Wnt signaling. Activation of the Wnt signaling pathway significantly contributes to the promotion of aortic valve calcification. Our study describes the role of the Krm1-Dkk2 axis in inhibiting Wnt signaling in aortic valves and suggests that noncoding RNAs are upstream regulators of this process.
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Affiliation(s)
- Gaopeng Xian
- State Key Laboratory of Organ Failure Research, Department of Cardiology, Nanfang Hospital, Southern Medical University, 510515, Guangzhou, China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Southern Medical University, 510515, Guangzhou, China
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou, China
| | - Rong Huang
- Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, MA, 02118, USA
| | - Minhui Xu
- State Key Laboratory of Organ Failure Research, Department of Cardiology, Nanfang Hospital, Southern Medical University, 510515, Guangzhou, China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Southern Medical University, 510515, Guangzhou, China
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou, China
| | - Hengli Zhao
- State Key Laboratory of Organ Failure Research, Department of Cardiology, Nanfang Hospital, Southern Medical University, 510515, Guangzhou, China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Southern Medical University, 510515, Guangzhou, China
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou, China
| | - Xingbo Xu
- Department of Cardiology, University Medical Center of Goettingen, Robert-Koch-Str. 40, 37075, Goettingen, Germany
| | - Yangchao Chen
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
| | - Hao Ren
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Southern Medical University, 510515, Guangzhou, China
- Department of Rheumatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Dingli Xu
- State Key Laboratory of Organ Failure Research, Department of Cardiology, Nanfang Hospital, Southern Medical University, 510515, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Southern Medical University, 510515, Guangzhou, China.
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou, China.
| | - Qingchun Zeng
- State Key Laboratory of Organ Failure Research, Department of Cardiology, Nanfang Hospital, Southern Medical University, 510515, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Southern Medical University, 510515, Guangzhou, China.
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou, China.
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Li H, Miao D, Hu H, Xue P, Zhou K, Mao Z. Titanium Dioxide Nanoparticles Induce Maternal Preeclampsia-like Syndrome and Adverse Birth Outcomes via Disrupting Placental Function in SD Rats. TOXICS 2024; 12:367. [PMID: 38787146 PMCID: PMC11125676 DOI: 10.3390/toxics12050367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Revised: 05/08/2024] [Accepted: 05/13/2024] [Indexed: 05/25/2024]
Abstract
The escalating utilization of titanium dioxide nanoparticles (TiO2 NPs) in everyday products has sparked concerns regarding their potential hazards to pregnant females and their offspring. To address these concerns and shed light on their undetermined adverse effects and mechanisms, we established a pregnant rat model to investigate the impacts of TiO2 NPs on both maternal and offspring health and to explore the underlying mechanisms of those impacts. Pregnant rats were orally administered TiO2 NPs at a dose of 5 mg/kg body weight per day from GD5 to GD18 during pregnancy. Maternal body weight, organ weight, and birth outcomes were monitored and recorded. Maternal pathological changes were examined by HE staining and TEM observation. Maternal blood pressure was assessed using a non-invasive blood analyzer, and the urinary protein level was determined using spot urine samples. Our findings revealed that TiO2 NPs triggered various pathological alterations in maternal liver, kidney, and spleen, and induced maternal preeclampsia-like syndrome, as well as leading to growth restriction in the offspring. Further examination unveiled that TiO2 NPs hindered trophoblastic cell invasion into the endometrium via the promotion of autophagy. Consistent hypertension and proteinuria resulted from the destroyed the kidney GBM. In total, an exposure to TiO2 NPs during pregnancy might increase the risk of human preeclampsia through increased maternal arterial pressure and urinary albumin levels, as well as causing fetal growth restriction in the offspring.
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Affiliation(s)
- Haixin Li
- Changzhou Maternity and Child Health Care Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou 213003, China; (H.L.); (H.H.); (P.X.)
| | - Dandan Miao
- Huai’an Center for Disease Control and Prevention, Huai’an 223001, China;
| | - Haiting Hu
- Changzhou Maternity and Child Health Care Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou 213003, China; (H.L.); (H.H.); (P.X.)
| | - Pingping Xue
- Changzhou Maternity and Child Health Care Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou 213003, China; (H.L.); (H.H.); (P.X.)
| | - Kun Zhou
- State Key Laboratory of Reproductive Medicine, Center for Global Health, Nanjing Medical University, Nanjing 211100, China
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211100, China
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - Zhilei Mao
- Changzhou Maternity and Child Health Care Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou 213003, China; (H.L.); (H.H.); (P.X.)
- State Key Laboratory of Reproductive Medicine, Center for Global Health, Nanjing Medical University, Nanjing 211100, China
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211100, China
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Trinh-Minh T, Chen CW, Tran Manh C, Li YN, Zhu H, Zhou X, Chakraborty D, Zhang Y, Rauber S, Dees C, Lin NY, Kah D, Gerum R, Bergmann C, Kreuter A, Reuter C, Groeber-Becker F, Eckes B, Distler O, Fabry B, Ramming A, Schambony A, Schett G, Distler JH. Noncanonical WNT5A controls the activation of latent TGF-β to drive fibroblast activation and tissue fibrosis. J Clin Invest 2024; 134:e159884. [PMID: 38747285 PMCID: PMC11093613 DOI: 10.1172/jci159884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 03/20/2024] [Indexed: 05/19/2024] Open
Abstract
Transforming growth factor β (TGF-β) signaling is a core pathway of fibrosis, but the molecular regulation of the activation of latent TGF-β remains incompletely understood. Here, we demonstrate a crucial role of WNT5A/JNK/ROCK signaling that rapidly coordinates the activation of latent TGF-β in fibrotic diseases. WNT5A was identified as a predominant noncanonical WNT ligand in fibrotic diseases such as systemic sclerosis, sclerodermatous chronic graft-versus-host disease, and idiopathic pulmonary fibrosis, stimulating fibroblast-to-myofibroblast transition and tissue fibrosis by activation of latent TGF-β. The activation of latent TGF-β requires rapid JNK- and ROCK-dependent cytoskeletal rearrangements and integrin αV (ITGAV). Conditional ablation of WNT5A or its downstream targets prevented activation of latent TGF-β, rebalanced TGF-β signaling, and ameliorated experimental fibrosis. We thus uncovered what we believe to be a novel mechanism for the aberrant activation of latent TGF-β in fibrotic diseases and provided evidence for targeting WNT5A/JNK/ROCK signaling in fibrotic diseases as a new therapeutic approach.
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Affiliation(s)
- Thuong Trinh-Minh
- Department of Rheumatology and
- Hiller Research Center, University Hospital Düsseldorf, Medical Faculty of Heinrich Heine University, Düsseldorf, North-Rhine-Westphalia, Germany
| | - Chih-Wei Chen
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University Hospital Erlangen, Erlangen, Bavaria, Germany
- German Center for Immunotherapy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University of Erlangen, Erlangen, Bavaria, Germany
| | - Cuong Tran Manh
- Department of Rheumatology and
- Hiller Research Center, University Hospital Düsseldorf, Medical Faculty of Heinrich Heine University, Düsseldorf, North-Rhine-Westphalia, Germany
| | - Yi-Nan Li
- Department of Rheumatology and
- Hiller Research Center, University Hospital Düsseldorf, Medical Faculty of Heinrich Heine University, Düsseldorf, North-Rhine-Westphalia, Germany
| | - Honglin Zhu
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University Hospital Erlangen, Erlangen, Bavaria, Germany
- German Center for Immunotherapy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University of Erlangen, Erlangen, Bavaria, Germany
- Department of Rheumatology, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Xiang Zhou
- Department of Rheumatology and
- Hiller Research Center, University Hospital Düsseldorf, Medical Faculty of Heinrich Heine University, Düsseldorf, North-Rhine-Westphalia, Germany
| | - Debomita Chakraborty
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University Hospital Erlangen, Erlangen, Bavaria, Germany
- German Center for Immunotherapy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University of Erlangen, Erlangen, Bavaria, Germany
| | - Yun Zhang
- Department of Rheumatology and
- Hiller Research Center, University Hospital Düsseldorf, Medical Faculty of Heinrich Heine University, Düsseldorf, North-Rhine-Westphalia, Germany
| | - Simon Rauber
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University Hospital Erlangen, Erlangen, Bavaria, Germany
- German Center for Immunotherapy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University of Erlangen, Erlangen, Bavaria, Germany
| | - Clara Dees
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University Hospital Erlangen, Erlangen, Bavaria, Germany
- German Center for Immunotherapy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University of Erlangen, Erlangen, Bavaria, Germany
| | - Neng-Yu Lin
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University Hospital Erlangen, Erlangen, Bavaria, Germany
- German Center for Immunotherapy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University of Erlangen, Erlangen, Bavaria, Germany
- Graduate Institute of Anatomy and Cell Biology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Delf Kah
- Department of Physics, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Bavaria, Germany
| | - Richard Gerum
- Department of Physics, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Bavaria, Germany
| | - Christina Bergmann
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University Hospital Erlangen, Erlangen, Bavaria, Germany
- German Center for Immunotherapy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University of Erlangen, Erlangen, Bavaria, Germany
| | - Alexander Kreuter
- Clinic for Dermatology, Venereology and Allergology, HELIOS St. Elisabeth Clinic Oberhausen, North-Rhine-Westphalia, Germany
| | - Christiane Reuter
- Translational Center for Regenerative Therapies, Fraunhofer Institute for Silicate Research (ISC) Würzburg, Bavaria, Germany
| | - Florian Groeber-Becker
- Translational Center for Regenerative Therapies, Fraunhofer Institute for Silicate Research (ISC) Würzburg, Bavaria, Germany
| | - Beate Eckes
- Translational Matrix Biology, University of Cologne, Cologne, North-Rhine-Westphalia, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, North-Rhine-Westphalia, Germany
| | - Oliver Distler
- Rheumaklinik, University Hospital Zurich, Zurich, Switzerland
| | - Ben Fabry
- Department of Physics, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Bavaria, Germany
| | - Andreas Ramming
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University Hospital Erlangen, Erlangen, Bavaria, Germany
- German Center for Immunotherapy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University of Erlangen, Erlangen, Bavaria, Germany
| | - Alexandra Schambony
- Division of Developmental Biology, Biology Department, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Bavaria, Germany
| | - Georg Schett
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University Hospital Erlangen, Erlangen, Bavaria, Germany
- German Center for Immunotherapy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University of Erlangen, Erlangen, Bavaria, Germany
| | - Jörg H.W. Distler
- Department of Rheumatology and
- Hiller Research Center, University Hospital Düsseldorf, Medical Faculty of Heinrich Heine University, Düsseldorf, North-Rhine-Westphalia, Germany
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Wang T, Luo E, Zhou Z, Yang J, Wang J, Zhong J, Zhang J, Yao B, Li X, Dong H. Lyophilized powder of velvet antler blood improves osteoporosis in OVX-induced mouse model and regulates proliferation and differentiation of primary osteoblasts via Wnt/β-catenin pathway. J Funct Foods 2023. [DOI: 10.1016/j.jff.2023.105439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
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Cornu R, Béduneau A, Martin H. Ingestion of titanium dioxide nanoparticles: a definite health risk for consumers and their progeny. Arch Toxicol 2022; 96:2655-2686. [PMID: 35895099 DOI: 10.1007/s00204-022-03334-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 07/05/2022] [Indexed: 01/13/2023]
Abstract
Titanium dioxide (TiO2) is one of the most commonly used nanomaterials in the world. Additive E171, which is used in the food industry, contains a nanometric particle fraction of TiO2. Oral exposure of humans to these nanoparticles (NPs) is intensive, leading to the question of their impact on health. Daily oral intake by rats of amounts of E171 that are relevant to human intake has been associated with an increased risk of chronic intestinal inflammation and carcinogenesis. Due to their food preferences, children are very exposed to this NP. Furthermore, maternal-foetal transfer of TiO2 NPs during pregnancy, as well as exposure of the offspring by breastfeeding, have been recently described. In France, the use of E171 in the production of foodstuffs was suspended in January 2020 as a precautionary measure. To provide some answers to this public health problem and help global regulatory agencies finalize their decisions, we reviewed in vitro and in vivo studies that address the effects of TiO2 NPs through oral exposure, especially their effects on the gastrointestinal tract, one of the most exposed tissues. Our review also highlights the effects of exposure on the offspring during pregnancy and by breastfeeding.
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Affiliation(s)
- Raphaël Cornu
- PEPITE EA4267, Univ. Bourgogne Franche-Comté, F-25000, Besançon, France
| | - Arnaud Béduneau
- PEPITE EA4267, Univ. Bourgogne Franche-Comté, F-25000, Besançon, France
| | - Hélène Martin
- PEPITE EA4267, Univ. Bourgogne Franche-Comté, F-25000, Besançon, France.
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circCELF1 Inhibits Myocardial Fibrosis by Regulating the Expression of DKK2 Through FTO/m 6A and miR-636. J Cardiovasc Transl Res 2022; 15:998-1009. [PMID: 35132536 DOI: 10.1007/s12265-022-10209-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 01/25/2022] [Indexed: 12/24/2022]
Abstract
The aim of this study is to explore the role of circCELF1/miR-636/DKK2 pathway in myocardial fibrosis (MF). RT-qPCR and western blot were used to detect the expression of circCELF1, miR-636, and DKK2 in activated cardiac fibroblasts (CFs) and the hearts of acute myocardial infarction (AMI) mice. The m6A level of DKK2 was detected by RIP and RT-qPCR. The regulation of circCELF1/miR-636/DKK2 pathway on CF viability, activation, apoptosis, and migration was verified by CCK-8, western blot, flow cytometry, and Transwell. Ang II induced downregulation of circCELF1 expression, while circCELF1 enhanced the expression of DKK2 by adsorbing miR-636. circCELF1 also reduced DKK2 m6A level by upregulating FTO expression, thereby inhibiting the binding of miR-636 to DKK2 and promoting DKK2 expression. Ang II promoted CF viability, activation, and migration through the circCELF1/miR-636/DKK2 pathway. Both miR-636 inhibitors and DKK2 effectively reduced MF and improved cardiac function in AMI mice.
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Li Y, Zhao Z, Luo J, Jiang Y, Li L, Chen Y, Zhang L, Huang Q, Cao Y, Zhou P, Wu T, Pang J. Apigenin ameliorates hyperuricemic nephropathy by inhibiting URAT1 and GLUT9 and relieving renal fibrosis via the Wnt/β-catenin pathway. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 87:153585. [PMID: 34044255 DOI: 10.1016/j.phymed.2021.153585] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 04/23/2021] [Accepted: 04/25/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Hyperuricemia (HUA) is characterized by abnormal serum uric acid (UA) levels and demonstrated to be involved in renal injury leading to hyperuricemic nephropathy (HN). Apigenin (API), a flavonoid naturally present in tea, berries, fruits, and vegetables, exhibits various biological functions, such as antioxidant and anti-inflammatory activity. PURPOSE To investigate the effect of API treatment in HN and to reveal its underlying mechanisms. METHODS The mice with HN were induced by potassium oxonate intraperitoneally and orally administered for two weeks. The effects of API on renal function, inflammation, fibrosis, and uric acid (UA) metabolism in mice with HN were evaluated. The effects of API on urate transporters were further examined in vitro. RESULTS The mice with HN exhibited abnormal renal urate excretion and renal dysfunction accompanied by increased renal inflammation and fibrosis. In contrast, API reduced the levels of serum UA, serum creatinine (CRE), blood urea nitrogen (BUN) and renal inflammatory factors in mice with HN. Besides, API ameliorated the renal fibrosis via Wnt/β-catenin pathway suppression. Furthermore, API potently promoted urinary UA excretion and inhibited renal urate transporter 1 (URAT1) and glucose transporter 9 (GLUT9) in mice with HN. In vitro, API competitively inhibited URAT1 and GLUT9 in a dose-dependent manner, with IC50 values of 0.64 ± 0.14 μM and 2.63 ± 0.69 μM, respectively. CONCLUSIONS API could effectively attenuate HN through co-inhibiting UA reabsorption and Wnt/β-catenin pathway, and thus it might be a potential therapy to HN.
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Affiliation(s)
- Yongmei Li
- Guangdong Provincial Key Laboratory of Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Zean Zhao
- Guangdong Provincial Key Laboratory of Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Jian Luo
- Guangdong Provincial Key Laboratory of Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Yanqing Jiang
- Guangdong Provincial Key Laboratory of Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Lu Li
- Guangdong Provincial Key Laboratory of Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Yanyu Chen
- Guangdong Provincial Key Laboratory of Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Leqi Zhang
- Guangdong Provincial Key Laboratory of Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Qinghua Huang
- Guangdong Provincial Key Laboratory of Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Ying Cao
- Guangdong Provincial Key Laboratory of Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Pingzheng Zhou
- Guangdong Provincial Key Laboratory of Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Ting Wu
- Guangdong Provincial Key Laboratory of Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Jianxin Pang
- Guangdong Provincial Key Laboratory of Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, China.
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Yang C, Zhu Y, Guan C, Wang L, Xu L, Li D, Zhang S, Zhang L, Yang D, Xu Y. Crystal Phase-Related Toxicity of One-Dimensional Titanium Dioxide Nanomaterials on Kidney Cells. ACS APPLIED BIO MATERIALS 2021; 4:3499-3506. [PMID: 35014434 DOI: 10.1021/acsabm.1c00036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
One-dimensional (1D) nanomaterials are widely used in different fields, and the increased application of 1D nanomaterials has drawn concerns about their unknown toxicity. 1D titanium oxide (TiO2) nanomaterials in different crystal phases are commonly applied in environmental remediation and solar energy conversion fields, but these materials pose a threat to human health, especially to the kidneys, an organ with abundant blood flow. To systematically evaluate the cytotoxicity to the kidneys, TiO2 nanofibers with TiO2(B), anatase, and rutile phases, as well as nanorods with anatase and rutile phases were synthesized and added to the culture medium of HK2 cells. Cell counting kit-8 assay, 2',7'-dichlorofluorescin diacetate assay, Hoechst 33342 staining experiments, and quantitative real-time reverse transcription polymerase chain reaction tests were used to explore the renal effects of the as-prepared TiO2 nanomaterials in the short term or long term. In the short-term evaluation, all the added TiO2 nanomaterials were toxic to HK2 cells, and the cytotoxicity was dose-dependent. Rutile TiO2 can widely attach to the cell surface and displays the most serious cell-killing and proapoptotic ability, while anatase induces the most serious oxidative stress. In long-term evaluation, all the as-prepared TiO2 nanomaterials led to epithelial mesenchymal transition (EMT), a mechanism of renal fibrosis. Consistent with the short-term results, rutile induced the most serious EMT. This study indicated that the renal toxicity of 1D TiO2 nanomaterials is crystal phase-dependent and that rutile induced the most significant renal cell injury. Oxidative stress is a crucial but not the only contributor to the renal toxicity of TiO2 nanomaterials in the short term.
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Affiliation(s)
- Chengyu Yang
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Yukun Zhu
- State Key Laboratory of Bio-fibers and Eco-textiles, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Institute of Marine Biobased Materials, School of Environmental Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Chen Guan
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Lin Wang
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Lingyu Xu
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Daohao Li
- State Key Laboratory of Bio-fibers and Eco-textiles, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Institute of Marine Biobased Materials, School of Environmental Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Shuchao Zhang
- Department of Blood Transfusion, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Lixue Zhang
- State Key Laboratory of Bio-fibers and Eco-textiles, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Institute of Marine Biobased Materials, School of Environmental Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Dongjiang Yang
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China.,State Key Laboratory of Bio-fibers and Eco-textiles, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Institute of Marine Biobased Materials, School of Environmental Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Yan Xu
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
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9
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Obert LA, Elmore SA, Ennulat D, Frazier KS. A Review of Specific Biomarkers of Chronic Renal Injury and Their Potential Application in Nonclinical Safety Assessment Studies. Toxicol Pathol 2021; 49:996-1023. [PMID: 33576319 DOI: 10.1177/0192623320985045] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A host of novel renal biomarkers have been developed over the past few decades which have enhanced monitoring of renal disease and drug-induced kidney injury in both preclinical studies and in humans. Since chronic kidney disease (CKD) and acute kidney injury (AKI) share similar underlying mechanisms and the tubulointerstitial compartment has a functional role in the progression of CKD, urinary biomarkers of AKI may provide predictive information in chronic renal disease. Numerous studies have explored whether the recent AKI biomarkers could improve upon the standard clinical biomarkers, estimated glomerular filtration rate (eGFR), and urinary albumin to creatinine ratio, for predicting outcomes in CKD patients. This review is an introduction to alternative assays that can be utilized in chronic (>3 months duration) nonclinical safety studies to provide information on renal dysfunction and to demonstrate specific situations where these assays could be utilized in nonclinical drug development. Novel biomarkers such as symmetrical dimethyl arginine, dickkopf homolog 3, and cystatin C predict chronic renal injury in animals, act as surrogates for GFR, and may predict changes in GFR in patients over time, ultimately providing a bridge from preclinical to clinical renal monitoring.
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Affiliation(s)
- Leslie A Obert
- 549350GlaxoSmithKline (GSK), Nonclinical Safety, Collegeville, PA, USA
| | - Susan A Elmore
- Cellular and Molecular Pathology Branch, National Toxicology Program (NTP), 6857National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA
| | - Daniela Ennulat
- 549350GlaxoSmithKline (GSK), Nonclinical Safety, Collegeville, PA, USA
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10
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Yu L, Kim HJ, Park MK, Byun HJ, Kim EJ, Kim B, Nguyen MT, Kim JH, Kang GJ, Lee H, Kim SY, Rho SB, Lee CH. Ethacrynic acid, a loop diuretic, suppresses epithelial-mesenchymal transition of A549 lung cancer cells via blocking of NDP-induced WNT signaling. Biochem Pharmacol 2020; 183:114339. [PMID: 33189676 DOI: 10.1016/j.bcp.2020.114339] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 11/02/2020] [Accepted: 11/10/2020] [Indexed: 12/20/2022]
Abstract
Lung cancer is one of the leading causes of death in cancer patients. Epithelial-mesenchymal transition (EMT) plays an important role in lung cancer progression. Therefore, for lung cancer treatment, it is crucial to find substances that inhibit EMT. Ethacrynic acid (ECA) is a diuretic that inhibits cellular ion flux and exerts anticancer effects. However, the effects of ECA on EMT in lung cancer remain unclear. We examined the effects of ECA on sphingosylphosphorylcholine (SPC) or TGF-β1-induced EMT process in A549 and H1299 cells via reverse transcription polymerase chain reaction and Western blotting. We found that ECA inhibited SPC-induced EMT and SPC-induced WNT signalling in EMT. We observed that SPC induces the expression of NDP [Norrie disease protein] and WNT-2, whereas ECA suppressed their expression. SPC-induced WNT activation, EMT, migration, and invasion were suppressed by NDP small-interfering RNA (siNDP), but NDP overexpression (pNDP) enhanced these events in A549 and H1299 cells. Accordingly, NDP expression may influence lung cancer prognosis. In summary, our results revealed that ECA inhibited SPC or TGF-β1-induced EMT in A549 and H1299 lung cancer cells by downregulating NDP expression and inhibiting WNT activation. Therefore, ECA might be a new drug candidate for lung cancer treatment.
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Affiliation(s)
- Lu Yu
- College of Pharmacy, Dongguk University, Seoul 100-715, Republic of Korea
| | - Hyun Ji Kim
- College of Pharmacy, Dongguk University, Seoul 100-715, Republic of Korea
| | - Mi Kyung Park
- National Cancer Center, Goyang 10408, Republic of Korea
| | - Hyun Jung Byun
- College of Pharmacy, Dongguk University, Seoul 100-715, Republic of Korea
| | - Eun Ji Kim
- College of Pharmacy, Dongguk University, Seoul 100-715, Republic of Korea
| | - Boram Kim
- College of Pharmacy, Dongguk University, Seoul 100-715, Republic of Korea
| | - Minh Tuan Nguyen
- College of Pharmacy, Dongguk University, Seoul 100-715, Republic of Korea
| | - Ji Hyun Kim
- College of Pharmacy, Dongguk University, Seoul 100-715, Republic of Korea
| | - Gyeoung Jin Kang
- Lillehei Heart Institute, University of Minnesota, Minneapolis, MN, USA
| | - Ho Lee
- National Cancer Center, Goyang 10408, Republic of Korea
| | - Soo Youl Kim
- National Cancer Center, Goyang 10408, Republic of Korea
| | - Seung Bae Rho
- National Cancer Center, Goyang 10408, Republic of Korea.
| | - Chang Hoon Lee
- College of Pharmacy, Dongguk University, Seoul 100-715, Republic of Korea.
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11
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Hu HH, Cao G, Wu XQ, Vaziri ND, Zhao YY. Wnt signaling pathway in aging-related tissue fibrosis and therapies. Ageing Res Rev 2020; 60:101063. [PMID: 32272170 DOI: 10.1016/j.arr.2020.101063] [Citation(s) in RCA: 99] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 02/25/2020] [Accepted: 03/30/2020] [Indexed: 02/07/2023]
Abstract
Fibrosis is the final hallmark of pathological remodeling, which is a major contributor to the pathogenesis of various chronic diseases and aging-related organ failure to fully control chronic wound-healing and restoring tissue function. The process of fibrosis is involved in the pathogenesis of the kidney, lung, liver, heart and other tissue disorders. Wnt is a highly conserved signaling in the aberrant wound repair and fibrogenesis, and sustained Wnt activation is correlated with the pathogenesis of fibrosis. In particular, mounting evidence has revealed that Wnt signaling played important roles in cell fate determination, proliferation and cell polarity establishment. The expression and distribution of Wnt signaling in different tissues vary with age, and these changes have key effects on maintaining tissue homeostasis. In this review, we first describe the major constituents of the Wnt signaling and their regulation functions. Subsequently, we summarize the dysregulation of Wnt signaling in aging-related fibrotic tissues such as kidney, liver, lung and cardiac fibrosis, followed by a detailed discussion of its involvement in organ fibrosis. In addition, the crosstalk between Wnt signaling and other pathways has the potential to profoundly add to the complexity of organ fibrosis. Increasing studies have demonstrated that a number of Wnt inhibitors had the potential role against tissue fibrosis, specifically in kidney fibrosis and the implications of Wnt signaling in aging-related diseases. Therefore, targeting Wnt signaling might be a novel and promising therapeutic strategy against aging-related tissue fibrosis.
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12
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Wang E, Wang L, Ding R, Zhai M, Ge R, Zhou P, Wang T, Fang H, Wang J, Huang J. Astragaloside IV acts through multi-scale mechanisms to effectively reduce diabetic nephropathy. Pharmacol Res 2020; 157:104831. [PMID: 32339782 DOI: 10.1016/j.phrs.2020.104831] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 03/29/2020] [Accepted: 04/10/2020] [Indexed: 12/13/2022]
Abstract
Diabetic nephropathy (DN), a common complication of diabetes mellitus, is the main cause of end-stage nephropathy, and thus developing novel strategies for reversing DN remains urgent. Astragaloside IV (AS-IV), a glycoside extracted from the Astragalus membranaceus (Fisch.) Bunge, is a widely used Traditional Chinese Medicine (TCM) in China and presents diverse pharmacological properties including the protective effect on DN. However, the rudimentary mechanism of AS-IV in remedying DN remains indeterminate. Currently, we systematically explore the pharmacological mechanism of action of AS-IV for treating DN. Firstly, AS-IV was evaluated by ADME assessment, and 26 targets were screened out through target prediction. Then, we decipher the protein-protein interaction (PPI), Gene Ontology (GO) enrichment analysis, disease and pathway network analysis to obtain the specific molecular biological process and pharmacological activity of AS-IV in the treatment of DN. Meanwhile, both in vivo and in vitro experiments confirmed that AS-IV has anti-oxidative stress, anti-inflammatory, anti-epithelial-mesenchymal transition (EMT) effects, and can inhibit the Wnt/β-catenin signaling pathway, ultimately ameliorating the renal injury caused by high glucose. Additionally, we also applied molecular docking and molecular dynamics simulation to predict the specific binding sites and binding capacity of AS-IV and related targets. Overall, the comprehensive system pharmacology method and experiment validations provide an accurate explanation for the molecular mechanism of AS-IV in the treatment of DN. Moreover, it is expected to provide a brand new strategy for exploring the effective components of TCM.
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Affiliation(s)
- Enyu Wang
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, People's Republic of China
| | - Liang Wang
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, People's Republic of China; Institute of Integrated Chinese and Western Medicine, Anhui Academy of Chinese Medicine, People's Republic of China; Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012, People's Republic of China
| | - Rui Ding
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, People's Republic of China
| | - Mengting Zhai
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, People's Republic of China
| | - Ruirui Ge
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, People's Republic of China
| | - Peng Zhou
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, People's Republic of China; Institute of Integrated Chinese and Western Medicine, Anhui Academy of Chinese Medicine, People's Republic of China; Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012, People's Republic of China
| | - Tingting Wang
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, People's Republic of China
| | - Haiyan Fang
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, People's Republic of China
| | - Jinghui Wang
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, People's Republic of China; Institute of Integrated Chinese and Western Medicine, Anhui Academy of Chinese Medicine, People's Republic of China; Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012, People's Republic of China.
| | - Jinling Huang
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, People's Republic of China; Institute of Integrated Chinese and Western Medicine, Anhui Academy of Chinese Medicine, People's Republic of China; Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012, People's Republic of China.
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13
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Chen J, Lei Y, Liu M. Cigarette smoke exposure stimulates prostatic fibrosis and the potential protective functions of green tea epigallocatechin-3-gallate via regulating Hedgehog pathway. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.103795] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Qu G, Xia T, Zhou W, Zhang X, Zhang H, Hu L, Shi J, Yu XF, Jiang G. Property-Activity Relationship of Black Phosphorus at the Nano-Bio Interface: From Molecules to Organisms. Chem Rev 2020; 120:2288-2346. [PMID: 31971371 DOI: 10.1021/acs.chemrev.9b00445] [Citation(s) in RCA: 109] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
As a novel member of the two-dimensional nanomaterial family, mono- or few-layer black phosphorus (BP) with direct bandgap and high charge carrier mobility is promising in many applications such as microelectronic devices, photoelectronic devices, energy technologies, and catalysis agents. Due to its benign elemental composition (phosphorus), large surface area, electronic/photonic performances, and chemical/biological activities, BP has also demonstrated a great potential in biomedical applications including biosensing, photothermal/photodynamic therapies, controlled drug releases, and antibacterial uses. The nature of the BP-bio interface is comprised of dynamic contacts between nanomaterials (NMs) and biological systems, where BP and the biological system interact. The physicochemical interactions at the nano-bio interface play a critical role in the biological effects of NMs. In this review, we discuss the interface in the context of BP as a nanomaterial and its unique physicochemical properties that may affect its biological effects. Herein, we comprehensively reviewed the recent studies on the interactions between BP and biomolecules, cells, and animals and summarized various cellular responses, inflammatory/immunological effects, as well as other biological outcomes of BP depending on its own physical properties, exposure routes, and biodistribution. In addition, we also discussed the environmental behaviors and potential risks on environmental organisms of BP. Based on accumulating knowledge on the BP-bio interfaces, this review also summarizes various safer-by-design strategies to change the physicochemical properties including chemical stability and nano-bio interactions, which are critical in tuning the biological behaviors of BP. The better understanding of the biological activity of BP at BP-bio interfaces and corresponding methods to overcome the challenges would promote its future exploration in terms of bringing this new nanomaterial to practical applications.
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Affiliation(s)
- Guangbo Qu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences 100085 , Beijing , P.R. China.,Institute of Environment and Health , Jianghan University , Wuhan 430056 , China.,Institute of Environment and Health , Hangzhou Institute for Advanced Study, UCAS , Hangzhou 310000 , China.,University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Tian Xia
- Division of Nanomedicine, Department of Medicine , University of California Los Angeles California 90095 , United States
| | - Wenhua Zhou
- Materials Interfaces Center , Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences , Shenzhen 518055 , P.R. China
| | - Xue Zhang
- Materials Interfaces Center , Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences , Shenzhen 518055 , P.R. China
| | - Haiyan Zhang
- College of Environment , Zhejiang University of Technology , Hangzhou 310032 , China
| | - Ligang Hu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences 100085 , Beijing , P.R. China.,Institute of Environment and Health , Jianghan University , Wuhan 430056 , China.,Institute of Environment and Health , Hangzhou Institute for Advanced Study, UCAS , Hangzhou 310000 , China.,University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Jianbo Shi
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences 100085 , Beijing , P.R. China.,Institute of Environment and Health , Jianghan University , Wuhan 430056 , China.,Institute of Environment and Health , Hangzhou Institute for Advanced Study, UCAS , Hangzhou 310000 , China.,University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Xue-Feng Yu
- Materials Interfaces Center , Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences , Shenzhen 518055 , P.R. China
| | - Guibin Jiang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences 100085 , Beijing , P.R. China.,Institute of Environment and Health , Jianghan University , Wuhan 430056 , China.,Institute of Environment and Health , Hangzhou Institute for Advanced Study, UCAS , Hangzhou 310000 , China.,University of Chinese Academy of Sciences , Beijing 100049 , China
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15
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Cordani M, Strippoli R, Somoza Á. Nanomaterials as Inhibitors of Epithelial Mesenchymal Transition in Cancer Treatment. Cancers (Basel) 2019; 12:E25. [PMID: 31861725 PMCID: PMC7017008 DOI: 10.3390/cancers12010025] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 12/13/2019] [Indexed: 02/06/2023] Open
Abstract
Abstract: Epithelial-mesenchymal transition (EMT) has emerged as a key regulator of cell invasion and metastasis in cancers. Besides the acquisition of migratory/invasive abilities, the EMT process is tightly connected with the generation of cancer stem cells (CSCs), thus contributing to chemoresistance. However, although EMT represents a relevant therapeutic target for cancer treatment, its application in the clinic is still limited due to various reasons, including tumor-stage heterogeneity, molecular-cellular target specificity, and appropriate drug delivery. Concerning this last point, different nanomaterials may be used to counteract EMT induction, providing novel therapeutic tools against many different cancers. In this review, (1) we discuss the application of various nanomaterials for EMT-based therapies in cancer, (2) we summarize the therapeutic relevance of some of the proposed EMT targets, and (3) we review the potential benefits and weaknesses of each approach.
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Affiliation(s)
- Marco Cordani
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), 28049 Madrid, Spain
| | - Raffaele Strippoli
- Department of Molecular Medicine, Sapienza University of Rome, 00161 Rome, Italy;
- National Institute for Infectious Diseases “Lazzaro Spallanzani” I.R.C.C.S., 00149 Rome, Italy
| | - Álvaro Somoza
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), 28049 Madrid, Spain
- CNB-CSIC-IMDEA Nanociencia Associated Unit “Unidad de Nanobiotecnología”, 28049 Madrid, Spain
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Asghari A, Hosseini M, Khordad E, Alipour F, Marefati N, Ebrahimzadeh Bideskan A. Hippocampal apoptosis of the neonates born from TiO2 nanoparticles-exposed rats is mediated by inducible nitric oxide synthase. TOXIN REV 2019. [DOI: 10.1080/15569543.2019.1570269] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Amir Asghari
- Division of Neurocognitive Sciences, Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mahmoud Hosseini
- Division of Neurocognitive Sciences, Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Elnaz Khordad
- Department of Anatomy and Cell Biology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Fatemeh Alipour
- Department of Anatomy and Cell Biology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Narges Marefati
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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17
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Zhou J, Yi Z, Fu Q. Dynamic decreased expression and hypermethylation of secreted frizzled-related protein 1 and 4 over the course of pulmonary fibrosis in mice. Life Sci 2019; 218:241-252. [PMID: 30586565 DOI: 10.1016/j.lfs.2018.12.041] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 12/18/2018] [Accepted: 12/22/2018] [Indexed: 01/08/2023]
Abstract
Aberrantly activated Wnt signaling pathway and dysregulation of extracellular antagonists of Wnt signaling have been revealed in pulmonary fibrosis. In this study we evaluated the expression of secreted frizzled-related proteins (SFRPs) and their aberrant promoter methylation to investigate the involvement of epigenetic regulation in pulmonary fibrosis. The pulmonary fibrosis induced by intratracheal injection of bleomycin (BLM) into mice was adopted. The transcription and relative protein expression of SFRPs were detected at Day 7 (D7), D14, and D21. DNA methylation analysis was performed by methylation-specific polymerase chain reaction (MSP). A DNA methyltransferase (DNMT) inhibitor (5-aza-2'-deoxycytidine; 5-aza) was used for demethylation and the relative β-catenin expression levels were measured to assess overactivity of the canonical Wnt signaling pathway. The transcription and protein expression of SFRP1 significantly decreased at D14 and D21, whereas the transcription and protein expression of SFRP4 significantly decreased at D7 and stayed downregulated until D21. The significantly hypermethylated promoters of SFRP1 and SFRP4 resulted in impaired transcription and decreased expression during pulmonary fibrosis in mice. Besides, reactivation of SFRP1 and SFRP4 by 5-aza reduced β-catenin mRNA and protein expression in vivo and in vitro. Animal experiments confirmed that 5-aza could significantly alleviate bleomycin-induced pulmonary fibrosis in mice. Thus, changes of promoter hypermethylation might downregulate SFRP1 and SFRP4 at different stages of pulmonary fibrosis, and the finding supports the usefulness of DNMT inhibitors, which might effectively reverse activation of β-catenin and reduce pulmonary fibrosis in mice. These data provide a possible new direction in the research on pulmonary fibrosis treatments.
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Affiliation(s)
- Junfei Zhou
- Department of Rheumatology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, PR China
| | - Zheng Yi
- Department of Rheumatology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, PR China.
| | - Qiang Fu
- Department of Rheumatology, The First Affiliated Hospital of University of South China, HengYang 421001, PR China
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18
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Asghari A, Hosseini M, Beheshti F, Shafei MN, Mehri S. Inducible nitric oxide inhibitor aminoguanidine, ameliorated oxidative stress, interleukin-6 concentration and improved brain-derived neurotrophic factor in the brain tissues of neonates born from titanium dioxide nanoparticles exposed rats. J Matern Fetal Neonatal Med 2018; 32:3962-3973. [PMID: 29788817 DOI: 10.1080/14767058.2018.1480602] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Introduction: An interaction between oxidative stress, neuroinflammation, and nitric oxide (NO) has been suggested to have a role neurotoxicity. The aim of current research was to investigate the effect of aminoguanidine (AG) as an inducible NO synthase (iNOS) inhibitor, on brain-derived neurotrophic factor (BDNF), oxidative stress, and interleukin-6 (IL-6) concentrations in the brain tissues of neonates born from the rats exposed to titanium dioxide nanoparticles (TiO2 NPs) during gestation. Methods: The pregnant rats were grouped into three and received: (1) saline, (2) TiO2 (200 mg/kg, gavage), and (3) TiO2-AG [200 mg/kg intraperitoneal (IP)]. The treatment was started since the second gestation day up to the delivery time. The neonates born from the rats were deeply anesthetized, sacrificed, and the brains were collected for biochemical evaluations. Results: The neonates born from the rats exposed to TiO2 showed a lower BDNF (p < .001) but a higher IL-6 (p < .01) concentrations in their hippocampal tissue. TiO2 exposure also increased malondialdehyde (MDA) (p < .001) and NO metabolites (p < .001), while diminished thiol (p < .001), superoxide (SOD) (p < .001), and catalase (CAT) (p < .001) in all hippocampal, cortical, and cerebellar tissues. Administration of AG improved BDNF (p < .01) but attenuated IL-6 (p < .01) concentrations in the hippocampal tissue. AG also decreased MDA (p < .001) and NO metabolites (p < .01-p < .001), while increased thiol (p < .01-p < .001), SOD (p < .001), and CAT (p < .05-p < .001) in all cerebellar, hippocampal, cortical, and tissues. Conclusion: The results of the current research revealed that iNOS inhibitor AG, ameliorated oxidative stress, IL-6 concentration, and improved BDNF in the brain tissues of neonates born from TiO2 NPs exposed rats.
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Affiliation(s)
- Amir Asghari
- Division of Neurocognitive Sciences, Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences , Mashhad , Iran
| | - Mahmoud Hosseini
- Division of Neurocognitive Sciences, Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences , Mashhad , Iran
| | - Farimah Beheshti
- Department of Basic Sciences and Neuroscience Research Center, Torbat Heydariyeh University of Medical Sciences , Torbat Heydariyeh , Iran
| | - Mohammad Naser Shafei
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences , Mashhad , Iran
| | - Soghra Mehri
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences , Mashhad , Iran
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Dekanski D, Spremo-Potparević B, Bajić V, Živković L, Topalović D, Sredojević DN, Lazić V, Nedeljković JM. Acute toxicity study in mice of orally administrated TiO2 nanoparticles functionalized with caffeic acid. Food Chem Toxicol 2018; 115:42-48. [DOI: 10.1016/j.fct.2018.02.064] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 02/26/2018] [Accepted: 02/28/2018] [Indexed: 12/12/2022]
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20
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Alidadi H, Khorsandi L, Shirani M. Effects of Quercetin on Tubular Cell Apoptosis and Kidney Damage in Rats Induced by Titanium Dioxide Nanoparticles. Malays J Med Sci 2018; 25:72-81. [PMID: 30918457 PMCID: PMC6422581 DOI: 10.21315/mjms2018.25.2.8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 02/06/2018] [Indexed: 10/28/2022] Open
Abstract
Background Recent studies have demonstrated that many nanoparticles have an adverse or toxic effect on the kidney. Objective To investigate the nephroprotective effect of quercetin (QT) against renal injury induced by titanium dioxide nanoparticles (NTiO2) in rats. Methods NTiO2-intoxicated rats received 50 mg/kg of NTiO2 for seven days. The QT + NTiO2 group was pretreated with QT for seven days before being administered NTiO2. Uric acid, creatinine, and blood urea nitrogen were considered to be biomarkers of nephrotoxicity. Catalase (CAT) and superoxide dismutase (SOD) activities and renal levels of malondialdehyde (MDA) were measured to assess the oxidative stress caused by NTiO2. Results NTiO2 significantly increased the plasma level of the biomarkers. It also significantly decreased the activities of CAT (P = 0.008) and SOD (P = 0.004), and significantly increased the MDA levels (P = 0.007). NTiO2 caused proximal tubule damage, the accumulation of red blood cells, the infiltration of inflammatory cells, and reduced the glomerular diameters, as well as induced apoptosis in the proximal tubules. Pre-treatment with QT attenuated the histological changes, normalised the plasma biomarkers, suppressed oxidative stress, ameliorated the activities of CAT (P = 0.007) and SOD (P = 0.006), and reduced apoptosis (P < 0.001). Conclusion QT was found to have a potent protective effect against nephrotoxicity induced by NTiO2 in rats. It also reduced apoptosis caused by NTiO2.
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Affiliation(s)
- Hadis Alidadi
- Student Research committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Department of Toxicology, Faculty of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Layasadat Khorsandi
- Cell & Molecular Research Center, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Maryam Shirani
- Department of Toxicology, Faculty of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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Zhang L, Xie X, Zhou Y, Yu D, Deng Y, Ouyang J, Yang B, Luo D, Zhang D, Kuang H. Gestational exposure to titanium dioxide nanoparticles impairs the placentation through dysregulation of vascularization, proliferation and apoptosis in mice. Int J Nanomedicine 2018; 13:777-789. [PMID: 29440900 PMCID: PMC5804269 DOI: 10.2147/ijn.s152400] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Background Titanium dioxide nanoparticles (TiO2 NPs) have recently found applications in a wide variety of consumer goods. TiO2 NPs exposure significantly increases fetal deformities and mortality. However, the potential toxicity of TiO2 NPs on the growth and development of placenta has been rarely studied during mice pregnancy. Purpose The objective of this study was to investigate the effects of maternal exposure of TiO2 NPs on the placentation. Methods Mice were administered TiO2 NPs by gavage at 0, 1 and 10 mg/kg/day from gestational day (GD) 1 to GD 13. Uteri and placentas from these mice were collected and counted the numbers of implanted and resorbed embryo and measured the placental weight on GD 13. Placental morphometry was observed by hematoxylin and eosin staining. The levels of Hand1, Esx1, Eomes, Hand2, Ascl2 and Fra1 mRNA were assessed by qRT-PCR. Uterine NK (uNK) cells were detected by using DBA lectin. Laminin immunohistochemical staining was to identify fetal vessels. Western blotting and transmission electron micrograph (TEM) were used to assess the apoptosis of placenta. Results No treatment-related difference was observed in the numbers of implanted and resorbed embryos and weight of placenta between the groups. However, 1 mg/kg/day TiO2 NPs treatment significantly reduced the ratio of placenta/body weight on GD 13. The proportion of spongiotrophoblast in the 10 mg/kg/day dose group became higher than that in the control group, yet that of labyrinth was significantly lower in 10 mg/kg/day mice. The expression levels of Hand1, Esx1, Eomes, Hand2, Ascl2 and Fra1 mRNA markedly decreased in TiO2 NP treated placentas. Furthermore, TiO2 NPs treatment impaired the formation of intricate networks of fetal vessels and reduced the number of uNK cells, and inhibited proliferation and induced apoptosis of placenta by nuclear pyknosis, the activation of caspase-3 and upregulation of Bax protein and downregulation of Bcl-2 protein on GD 13. Conclusion Gestational exposure to TiO2 NPs significantly impairs the growth and development of placenta in mice, with a mechanism that seems to be involved in the dysregulation of vascularization, proliferation and apoptosis. Therefore, our results suggested the need for great caution while handling of the nanomaterials by workers and specially pregnant consumers.
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Affiliation(s)
- Lu Zhang
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang
| | - Xingxing Xie
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang
| | - Yigang Zhou
- Department of Color Ultrasonic Room, No 96716 Hospital of PLA
| | - Dainan Yu
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang
| | - Yu Deng
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang
| | - Jiexiu Ouyang
- Jiangxi Provincial Key Laboratory of Reproductive Physiology and Pathology, Medical Experimental Teaching Center, Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Bei Yang
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang
| | - Dan Luo
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang
| | - Dalei Zhang
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang
| | - Haibin Kuang
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang.,Jiangxi Provincial Key Laboratory of Reproductive Physiology and Pathology, Medical Experimental Teaching Center, Nanchang University, Nanchang, Jiangxi, People's Republic of China
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22
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Yu Q, Wang H, Peng Q, Li Y, Liu Z, Li M. Different toxicity of anatase and rutile TiO 2 nanoparticles on macrophages: Involvement of difference in affinity to proteins and phospholipids. JOURNAL OF HAZARDOUS MATERIALS 2017; 335:125-134. [PMID: 28437696 DOI: 10.1016/j.jhazmat.2017.04.026] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Revised: 04/06/2017] [Accepted: 04/07/2017] [Indexed: 06/07/2023]
Abstract
TiO2 nanoparticles (NPs) are well-known nanomaterials (NMs), widely used in cosmetics, solar cells, photo-catalysts and additives. Anatase and rutile are the two main crystalline phases of TiO2 NPs and have distinct electrical and optical properties. However, their relative toxicity to organisms is a current topic of debate. In this study, we synthesize both anatase NPs (TiO2-A) and rutile NPs (TiO2-R) with similar particle sizes (20-40nm), surface areas (51-52m2/g) and Zeta potentials (-13.4 to -13.7mV), and investigate their toxicity to macrophages. Contrary to previous findings, TiO2-A show a lower percentage cell deaths compared to TiO2-R (10% vs 20% at 50mg/L), indicating a lower toxicity compared to TiO2-R. The macrophages treated with TiO2-A and TiO2-R have similar levels of reactive oxygen species (ROS) and the autophagy marker LC3, implying that our observed difference in toxicity is not attributed to oxidative damage and autophagy. Interestingly, TiO2-A cause less severe necrosis and lysosomal membrane permeabilization (LMP), but more severe mitochondrial dysfunction. Adsorption assays further reveal that TiO2-A and TiO2-R have a higher affinity to proteins and phospholipids, respectively. This study demonstrates an important role of crystal phase-related surface affinity to different biomolecules in nanotoxicity.
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Affiliation(s)
- Qilin Yu
- Ministry of Education Key Laboratory of Molecular Microbiology and Technology, Department of Microbiology, College of Life Science, Nankai University, Tianjin 300071, China
| | - Honggang Wang
- Ministry of Education Key Laboratory of Molecular Microbiology and Technology, Department of Microbiology, College of Life Science, Nankai University, Tianjin 300071, China
| | - Qi Peng
- Ministry of Education Key Laboratory of Molecular Microbiology and Technology, Department of Microbiology, College of Life Science, Nankai University, Tianjin 300071, China
| | - Ye Li
- Ministry of Education Key Laboratory of Molecular Microbiology and Technology, Department of Microbiology, College of Life Science, Nankai University, Tianjin 300071, China
| | - Zhe Liu
- Ministry of Education Key Laboratory of Molecular Microbiology and Technology, Department of Microbiology, College of Life Science, Nankai University, Tianjin 300071, China; Water Environment Monitoring Center of Yellow River Basin, Zhengzhou, Henan 450002, China
| | - Mingchun Li
- Ministry of Education Key Laboratory of Molecular Microbiology and Technology, Department of Microbiology, College of Life Science, Nankai University, Tianjin 300071, China.
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Reduction of oxidative damages induced by titanium dioxide nanoparticles correlates with induction of the Nrf2 pathway by GSPE supplementation in mice. Chem Biol Interact 2017; 275:133-144. [PMID: 28780322 DOI: 10.1016/j.cbi.2017.07.025] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2017] [Revised: 07/19/2017] [Accepted: 07/31/2017] [Indexed: 11/22/2022]
Abstract
Titanium dioxide nanoparticles (TiO2 NPs) are widely used to additives in cosmetics, pharmaceuticals, paints and foods. Recent studies have demonstrated that TiO2 NPs increased the risk of cancer and the mechanism might relate with oxidative stress. Grape seed procyanidin extract (GSPE) is a natural compound which has been demonstrated to possess a wide array of pharmacological and biochemical actions, including anti-inflammatory, anti-carcinogenic, and antioxidant properties. Our data show that GSPE prevents the changes of histopathology and biomarkers in heart, liver and kidney that occur in mice exposed to TiO2 NPs. After pretreatment with GSPE, the DNA damage, reactive oxygen species (ROS) generation and malondialdehyde (MDA) content in mice exposed to TiO2 NPs had statistically significant decreases in dose dependent manners. GSPE increased the expression of nuclear factor erythroid 2 (NF-E2)-related factor 2 (Nrf2), NAD(P)H dehydrogenase[quinine] 1(NQO1), heme oxygenase 1 (HO-1) and glutamate-cysteine ligase catalytic subunit (GCLC). We conclude that grape seed procyanidin extract prevents the majority of tissue and molecular damage resulting from nanoparticle treatment. The protective effect of GSPE may be due to its strong antioxidative activities which related with the activated Nrf2 and its down-regulated genes including NQO1, HO-1 and GCLC.
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Dickkopf-1 inhibits Wnt3a-induced migration and epithelial-mesenchymal transition of human lens epithelial cells. Exp Eye Res 2017; 161:43-51. [DOI: 10.1016/j.exer.2017.06.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Revised: 05/19/2017] [Accepted: 06/01/2017] [Indexed: 02/01/2023]
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25
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Gastric toxicity involving alterations of gastritis-related protein expression in mice following long-term exposure to nano TiO 2. Food Res Int 2017; 95:38-45. [DOI: 10.1016/j.foodres.2017.02.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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26
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Hong F, Yu X, Wu N, Zhang YQ. Progress of in vivo studies on the systemic toxicities induced by titanium dioxide nanoparticles. Toxicol Res (Camb) 2017; 6:115-133. [PMID: 30090482 PMCID: PMC6061230 DOI: 10.1039/c6tx00338a] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2016] [Accepted: 12/09/2016] [Indexed: 01/29/2023] Open
Abstract
Titanium dioxide nanoparticles (TiO2 NPs) are inorganic materials with a diameter of 1-100 nm. In recent years, TiO2 NPs have been used in a wide range of products, including food, toothpaste, cosmetics, medicine, paints and printing materials, due to their unique properties (high stability, anti-corrosion, and efficient photocatalysis). Following exposure via various routes including inhalation, injection, dermal deposition and gastrointestinal tract absorption, NPs can be found in various organs in the body potentially inducing toxic effects. Thus more attention to the safety of TiO2 NPs is necessary. Therefore, the present review aims to provide a comprehensive evaluation of the toxic effects induced by TiO2 NPs in the lung, liver, stomach, intestine, kidney, spleen, brain, hippocampus, heart, blood vessels, ovary and testis of mice and rats in in vivo experiments, and evaluate their potential toxic mechanisms. The findings will provide an important reference for human risk evaluation and management following TiO2 NP exposure.
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Affiliation(s)
- Fashui Hong
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection , Huaiyin Normal University , Huaian 223300 , China .
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake , Huaiyin Normal University , Huaian 223300 , China
- School of Life Sciences , Huaiyin Normal University , Huaian 223300 , China
| | - Xiaohong Yu
- School of Basic Medical and Biological Sciences , Soochow University , Suzhou 215123 , China .
| | - Nan Wu
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection , Huaiyin Normal University , Huaian 223300 , China .
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake , Huaiyin Normal University , Huaian 223300 , China
- School of Life Sciences , Huaiyin Normal University , Huaian 223300 , China
| | - Yu-Qing Zhang
- School of Basic Medical and Biological Sciences , Soochow University , Suzhou 215123 , China .
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27
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Ye L, Hong F, Ze X, Li L, Zhou Y, Ze Y. Toxic effects of TiO 2 nanoparticles in primary cultured rat sertoli cells are mediated via a dysregulated Ca 2+ /PKC/p38 MAPK/NF-κB cascade. J Biomed Mater Res A 2017; 105:1374-1382. [PMID: 28188686 DOI: 10.1002/jbm.a.36021] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2016] [Revised: 01/21/2017] [Accepted: 01/26/2017] [Indexed: 11/11/2022]
Abstract
Although numerous studies have demonstrated that titanium dioxide nanoparticles (TiO2 NPs) can be accumulated in various animal organs and can cause toxicity, there is currently only limited data regarding reproductive toxicity especially on the toxic mechanisms of TiO2 NPs in Sertoli cells. In order to investigate the mechanism of reproductive toxicity, primary cultured rat Sertoli cells were exposed to 5, 15, or 30 μg/mL TiO2 NPs for 24 h, and TiO2 NPs internalization, expression of PKC (p-PKC) and p38 MAPK (p-p38 MAPK) as well as calcium homeostasis were examined. Our findings demonstrated that TiO2 NPs crossed the membrane into the cytoplasm or nucleus, and significantly suppressed cell viability of primary cultured rat Sertoli cells in a concentration-dependent manner. Furthermore, immunological dysfunction caused by TiO2 NPs was involved in the increased expression of NF-κB, TNF-α, and IL-1β, and decreased IκB expression. TiO2 NPs significantly decreased Ca2+ -ATPase and Ca2+ /Mg2+ -ATPase activity and enhanced intracellular Ca2+ levels, and up-regulated the expression of p-PKC and p-p38 MAPK in a dose-dependent manner in primary cultured rat Sertoli cells. Taken together, these findings indicate that TiO2 NPs may induce immunological dysfunction of primary cultured rat Sertoli cells by stimulating the Ca2+ /PKC/p38 MAPK cascade, which triggers NF-κB activation and ultimately induces the expression of inflammatory cytokines in primary cultured rat Sertoli cells. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 105A: 1374-1382, 2017.
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Affiliation(s)
- Lingqun Ye
- Department of Biochemistry and Molecular Biology, School of Basic Medical and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Fashui Hong
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture and Environmental Protection, Huaiyin Normal University, Huaian, 223300, China.,Jiangsu Key Laboratory for Food Safety and Nutritional Function, Huaiyin Normal University, Huaian, 223300, China.,Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, 223300, China
| | - Xiao Ze
- Department of Biochemistry and Molecular Biology, School of Basic Medical and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Lingjuan Li
- Department of Biochemistry and Molecular Biology, School of Basic Medical and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Yaoming Zhou
- Jiangsu Food and Pharmaceutical Science College, Huaian, 223303, China
| | - Yuguan Ze
- Department of Biochemistry and Molecular Biology, School of Basic Medical and Biological Sciences, Soochow University, Suzhou, 215123, China
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28
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Toxicity assessment of anatase and rutile titanium dioxide nanoparticles: The role of degradation in different pH conditions and light exposure. Toxicol In Vitro 2016; 37:201-210. [DOI: 10.1016/j.tiv.2016.09.010] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 08/14/2016] [Accepted: 09/09/2016] [Indexed: 12/27/2022]
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29
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Liu D, Zhou JL, Hong F, Zhang YQ. Lung inflammation caused by long-term exposure to titanium dioxide in mice involving in NF-κB signaling pathway. J Biomed Mater Res A 2016; 105:720-727. [DOI: 10.1002/jbm.a.35945] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 10/06/2016] [Accepted: 10/19/2016] [Indexed: 12/29/2022]
Affiliation(s)
- Dong Liu
- Department of Applied Biology, School of Basic Medical and Biological Sciences; Soochow University; RM702-2303, Renai Road No. 199 Dushuhu Higher Edu. Town Suzhou 215123 People's Republic of China
| | - Jie-Lu Zhou
- Department of Scientific and Educational Affairs; Suzhou Kowloon Hospital Affiliated with Shanghai Jiao Tong University School of Medicine; Suzhou 215021 People's Republic of China
| | - Fashui Hong
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection; Huaiyin Normal University; Huaian 223300 China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake; Huaiyin Normal University; Huaian 223300 China
| | - Yu-Qing Zhang
- Department of Applied Biology, School of Basic Medical and Biological Sciences; Soochow University; RM702-2303, Renai Road No. 199 Dushuhu Higher Edu. Town Suzhou 215123 People's Republic of China
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30
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Wu N, Hong F, Zhou Y, Wang Y. Exacerbation of innate immune response in mouse primary cultured sertoli cells caused by nanoparticulate TiO 2 involves the TAM/TLR3 signal pathway. J Biomed Mater Res A 2016; 105:198-208. [PMID: 27643721 DOI: 10.1002/jbm.a.35906] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 08/31/2016] [Accepted: 09/14/2016] [Indexed: 12/15/2022]
Abstract
Sertoli cells provide appropriate mitogens, differentiation factors and sources of energy for developing germ cells throughout the lifetime of males, and protect these germ cells from harmful agents and from the host's own immune system. Therefore, reductions in the rate and quality of spermatogenesis caused by nanoparticulate titanium dioxide (nano-TiO2 ) may be closely involved in the immunoregulation of Sertoli cells. However, the underlying mechanism of this response is still unclear. To address this issue, we used mouse primary cultured Sertoli cells to examine the toxic effects of nano-TiO2 via alterations in morphology, cell viability, and activation of the TAM/TLR3 signal pathway. The results demonstrated that nano-TiO2 could cross the cytomembrane into the cytoplasm or nucleus, decrease Sertoli cell viability, damage morphology (such as elongated fusiform, cellular and nuclear shrinkage) and induce the expression of various immune mediators and inflammatory cytokines, including TLR3(+0.31-fold to +0.81-fold), IL-lβ(+0.33-fold to +5.0-fold), NF-κB(+0.22-fold to +3.65-fold), IL-6(+0.47-fold to +3.53-fold), TNF-α(+0.14-fold to +2.44-fold), IFN-α(+0.17-fold to +2.27-fold), and IFN-β(+0.09-fold to +2.29-fold), and suppress the expression of Tyro3(-9.33% to -61.93%), Axl(-19.03% to -60.67%), Mer(-8.04% to -59.16%), and IκB(-34.35% to -86.59%) in primary cultured Sertoli cells. These results suggest that testicular innate immune responses to pathogens caused by nano-TiO2 may be involved in the regulatory mechanisms of TAM/TLR3 signaling in testicular Sertoli cells. © 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 105A: 198-208, 2017.
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Affiliation(s)
- Nan Wu
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huaian, 223300, China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, 223300, China
- School of Life Sciences, Huaiyin Normal University, Huaian, 223300, China
| | - Fashui Hong
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huaian, 223300, China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, 223300, China
- School of Life Sciences, Huaiyin Normal University, Huaian, 223300, China
| | - Yingjun Zhou
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huaian, 223300, China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, 223300, China
- School of Life Sciences, Huaiyin Normal University, Huaian, 223300, China
| | - Yajing Wang
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huaian, 223300, China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, 223300, China
- School of Life Sciences, Huaiyin Normal University, Huaian, 223300, China
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31
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Yu X, Hong F, Zhang YQ. Cardiac inflammation involving in PKCε or ERK1/2-activated NF-κB signalling pathway in mice following exposure to titanium dioxide nanoparticles. JOURNAL OF HAZARDOUS MATERIALS 2016; 313:68-77. [PMID: 27054666 DOI: 10.1016/j.jhazmat.2016.03.088] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Revised: 03/15/2016] [Accepted: 03/30/2016] [Indexed: 06/05/2023]
Abstract
The evaluation of toxicological effects of nanoparticles (NPs) is increasingly important due to their growing occupational use and presence as compounds in consumer products. Recent researches have demonstrated that long-term exposure to air particulate matter can induce cardiovascular events, but whether cardiovascular disease, such as cardiac damage, is induced by NP exposure and its toxic mechanisms is rarely evaluated. In the present study, when mice were continuously exposed to TiO2 NPs at 2.5, 5 or 10mg/kg BW by intragastric administration for 90days, obvious histopathological changes, and great alterations of NF-κB and its inhibitor I-κB, as well as TNF-α, IL-1β, IL-6 and IFN-α expression were induced. The NPs significantly decreased Ca(2+)-ATPase, Ca(2+)/Mg(2+)-ATPase and Na(+)/K(+)-ATPase activities and enhanced NCX-1 content. The NPs also considerably increased CAMK II and α1/β1-AR expression and up-regulated p-PKCε and p-ERK1/2 in a dose-dependent manner in the mouse heart. These data suggest that low-dose and long-term exposure to TiO2 NPs may cause cardiac damage such as cardiac fragmentation or disordered myocardial fibre arrangement, tissue necrosis, myocardial haemorrhage, swelling or cardiomyocyte hypertrophy, and the inflammatory response was potentially mediated by NF-κB activation via the PKCε or ERK1/2 signalling cascades in mice.
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Affiliation(s)
- Xiaohong Yu
- Department of Applied Biology, School of Basic Medical and Biological Sciences, Soochow University, RM 702-2303, Renai Road No. 199, Dushuhu Higher Edu. Town, Suzhou 215123, China
| | - Fashui Hong
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture and Environmental Protection, Huaiyin Normal University, Huaian 223300, China; Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian 223300, China.
| | - Yu-Qing Zhang
- Department of Applied Biology, School of Basic Medical and Biological Sciences, Soochow University, RM 702-2303, Renai Road No. 199, Dushuhu Higher Edu. Town, Suzhou 215123, China.
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32
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Hong F, Wu N, Zhao X, Tian Y, Zhou Y, Chen T, Zhai Y, Ji L. Titanium dioxide nanoparticle-induced dysfunction of cardiac hemodynamics is involved in cardiac inflammation in mice. J Biomed Mater Res A 2016; 104:2917-2927. [DOI: 10.1002/jbm.a.35831] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Revised: 06/24/2016] [Accepted: 07/07/2016] [Indexed: 12/18/2022]
Affiliation(s)
- Fashui Hong
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection; Huaiyin Normal University; Huaian 223300 China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake; Huaiyin Normal University; Huaian 223300 China
- School of Life Sciences; Huaiyin Normal University; Huaian 223300 China
| | - Nan Wu
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection; Huaiyin Normal University; Huaian 223300 China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake; Huaiyin Normal University; Huaian 223300 China
- School of Life Sciences; Huaiyin Normal University; Huaian 223300 China
| | - Xiangyu Zhao
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection; Huaiyin Normal University; Huaian 223300 China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake; Huaiyin Normal University; Huaian 223300 China
- School of Life Sciences; Huaiyin Normal University; Huaian 223300 China
| | - Yusheng Tian
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection; Huaiyin Normal University; Huaian 223300 China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake; Huaiyin Normal University; Huaian 223300 China
- School of Life Sciences; Huaiyin Normal University; Huaian 223300 China
| | - Yingjun Zhou
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection; Huaiyin Normal University; Huaian 223300 China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake; Huaiyin Normal University; Huaian 223300 China
- School of Life Sciences; Huaiyin Normal University; Huaian 223300 China
| | - Ting Chen
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection; Huaiyin Normal University; Huaian 223300 China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake; Huaiyin Normal University; Huaian 223300 China
- School of Life Sciences; Huaiyin Normal University; Huaian 223300 China
| | - Yanyu Zhai
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection; Huaiyin Normal University; Huaian 223300 China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake; Huaiyin Normal University; Huaian 223300 China
- School of Life Sciences; Huaiyin Normal University; Huaian 223300 China
| | - Li Ji
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection; Huaiyin Normal University; Huaian 223300 China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake; Huaiyin Normal University; Huaian 223300 China
- School of Life Sciences; Huaiyin Normal University; Huaian 223300 China
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33
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Zhang X, Yin H, Li Z, Zhang T, Yang Z. Nano-TiO 2 induces autophagy to protect against cell death through antioxidative mechanism in podocytes. Cell Biol Toxicol 2016; 32:513-527. [PMID: 27430495 DOI: 10.1007/s10565-016-9352-y] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Accepted: 07/05/2016] [Indexed: 12/20/2022]
Abstract
Autophagy is a cellular pathway involved in degradation of damaged organelles and proteins in order to keep cellular homeostasis. It plays vital role in podocytes. Titanium dioxide nanoparticles (nano-TiO2) are known to induce autophagy in cells, but little has been reported about the mechanism of this process in podocytes and the role of autophagy in podocyte death. In the present study, we examined how nano-TiO2 induced authophagy. Besides that, whether autophagy could protect podocytes from the damage induced by nano-TiO2 and its mechanism was also investigated. Western blot assay and acridine orange staining presented that nano-TiO2 significantly enhanced autophagy flux in podocytes. In addition, AMP-activated protein kinase (AMPK) and mammalian target of rapamycin (mTOR) were involved in such process. 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay indicated that upregulated level of autophagy induced by rapamycin in high concentration nano-TiO2-treated podocytes could significantly reduce the level of oxidative stress and alleviate podocyte death. Downregulating the level of autophagy with 3-methyladenine had the opposite effects. These findings indicate that nano-TiO2 induces autophagy through activating AMPK to inhibit mTOR in podocytes, and such autophagy plays a protecting role against oxidative stress on the cell proliferation. Changing autophagy level may become a new treatment strategy to relieve the damage induced by nano-TiO2 in podocytes.
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Affiliation(s)
- Xiaochen Zhang
- College of Medicine, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials Ministry of Education, Nankai University, Tianjin, 300071, China
| | - Hongqiang Yin
- College of Medicine, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials Ministry of Education, Nankai University, Tianjin, 300071, China
| | - Zhigui Li
- College of Medicine, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials Ministry of Education, Nankai University, Tianjin, 300071, China
| | - Tao Zhang
- College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Zhuo Yang
- College of Medicine, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials Ministry of Education, Nankai University, Tianjin, 300071, China.
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34
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Urrutia-Ortega IM, Garduño-Balderas LG, Delgado-Buenrostro NL, Freyre-Fonseca V, Flores-Flores JO, González-Robles A, Pedraza-Chaverri J, Hernández-Pando R, Rodríguez-Sosa M, León-Cabrera S, Terrazas LI, van Loveren H, Chirino YI. Food-grade titanium dioxide exposure exacerbates tumor formation in colitis associated cancer model. Food Chem Toxicol 2016; 93:20-31. [PMID: 27117919 DOI: 10.1016/j.fct.2016.04.014] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 03/09/2016] [Accepted: 04/17/2016] [Indexed: 12/31/2022]
Abstract
Colorectal cancer is the fourth worldwide cause of death and even if some dietary habits are consider risk factors, the contribution of food additives including foodgrade titanium dioxide (TiO2), designated as E171, has been poorly investigated. We hypothesized that oral E171 intake could have impact on the enhancement of colorectal tumor formation and we aimed to investigate if E171 administration could enhance tumor formation in a colitis associated cancer (CAC) model. BALB/c male mice were grouped as follows: a) control, b) E171, c) CAC and d) CAC + E171 group (n = 6). E171 used in this study formed agglomerates of 300 nm in water. E171 intragastric administration (5 mg/kg body weight/5 days/10 weeks) was unable to induce tumor formation but dysplastic alterations were observed in the distal colon but enhanced the tumor formation in distal colon (CAC + E171 group) measured by tumor progression markers. Some E171 particles were internalized in colonic cells of the E171 and CAC + E171 groups and both groups showed a decrease in goblet cells in the distal colon. However the CAC + E171 group showed a higher decrease of these cells that act as protection barrier in colon. These results suggest that E171 could worsen pre-existent intestinal diseases.
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Affiliation(s)
- Ismael M Urrutia-Ortega
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, CP 54059, Estado de México, Mexico; Programa de Doctorado en Ciencias Biomédicas, Universidad Nacional Autónoma de México, Mexico
| | - Luis G Garduño-Balderas
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, CP 54059, Estado de México, Mexico; Programa de Maestría en Ciencias Biológicas, Universidad Nacional Autónoma de México, Mexico
| | - Norma L Delgado-Buenrostro
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, CP 54059, Estado de México, Mexico
| | - Verónica Freyre-Fonseca
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, CP 54059, Estado de México, Mexico; Doctorado en Ciencias en Alimentos, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, CP 11340, México DF, Mexico
| | - José O Flores-Flores
- Centro de Ciencias Aplicadas y Desarrollo Tecnológico, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Ciudad Universitaria AP 70-186, CP 04510, México DF, Mexico
| | - Arturo González-Robles
- Department of Infectomics and Molecular Pathogenesis, Center for Research and Advanced Studies, CINVESTAV-IPN, Avenida Instituto Politécnico Nacional 2508, San Pedro Zacatenco, 07360, Mexico, DF, Mexico
| | - José Pedraza-Chaverri
- Laboratorio 209, Edificio F, Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, CP 04510, México DF, Mexico
| | - Rogelio Hernández-Pando
- Experimental Pathology Section, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, Vasco de Quiroga 15, Colonia Sección XVI, Tlalpan, México DF, 14000, Mexico
| | - Miriam Rodríguez-Sosa
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, CP 54059, Estado de México, Mexico
| | - Sonia León-Cabrera
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, CP 54059, Estado de México, Mexico; Carrera De Médico Cirujano, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, CP 54059, Estado de México, Mexico
| | - Luis I Terrazas
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, CP 54059, Estado de México, Mexico
| | - Henk van Loveren
- Department of Toxicogenomics, Maastricht University, PO Box 616, 6200MD, Maastricht, The Netherlands
| | - Yolanda I Chirino
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, CP 54059, Estado de México, Mexico.
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Li J, Dai Y, Zhu H, Jiang Y, Zhang S. Endometriotic mesenchymal stem cells significantly promote fibrogenesis in ovarian endometrioma through the Wnt/β-catenin pathway by paracrine production of TGF-β1 and Wnt1. Hum Reprod 2016; 31:1224-35. [DOI: 10.1093/humrep/dew058] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Accepted: 03/01/2016] [Indexed: 02/07/2023] Open
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Hong F, Wu N, Ge Y, Zhou Y, Shen T, Qiang Q, Zhang Q, Chen M, Wang Y, Wang L, Hong J. Nanosized titanium dioxide resulted in the activation of TGF-β/Smads/p38MAPK pathway in renal inflammation and fibration of mice. J Biomed Mater Res A 2016; 104:1452-61. [PMID: 26850371 DOI: 10.1002/jbm.a.35678] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 12/31/2015] [Accepted: 02/02/2016] [Indexed: 02/04/2023]
Abstract
Titanium dioxide nanoparticles (TiO2 NPs) have been demonstrated to damage the kidneys. However, whether chronic nephritis leads to renal fibration or the fibrosis is associated with the activation of TGF-β/Smads/p38MAPK pathway caused by TiO2 NPs exposure is not well understood. Forty male mice were separately exposed to 0, 2.5, 5, or 10 mg/kg body weight TiO2 NPs for 6 months. Renal biochemical functions and levels of TGF-β/Smads/p38MAPK pathway-related markers and extracellular matrix (ECM) expression in the kidneys were investigated. The findings showed that subchronic TiO2 NPs exposure increased levels of urinary creatisix (Cr), N-acetyl-glucosaminidase, and vanin-1, resulted in severe renal inflammation and fibration. Furthermore, TiO2 NP exposure upregulated expression of transforming growth factor-β1 (TGF-β1, 0.07- to 2.72-fold), Smad2 (0.42- to 1.63-fold), Smad3 (0.02- to 1.94-fold), ECM (0.15- to 2.75-fold), α-smooth muscle actin (0.14- to 3.06-fold), p38 mitogen-activated protein kinase (p38MAPK, 0.11- to 3.78-fold), and nuclear factor-κB (0.4- to 2.27-fold), and downregulated Smad7 (0.05- to 0.61-fold) expression in mouse kidney. Subchronic TiO2 NPs exposure induced changes of renal characteristics towards inflammation and fibration may be mediated via TGF-β/Smads/p38MAPK pathway, and the uses of TiO2 NPs should be carried out cautiously, especially in humans. © 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 104A: 1452-1461, 2016.
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Affiliation(s)
- F Hong
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huaian, 223300, China.,Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, 223300, China.,School of Life Sciences, Huaiyin Normal University, Huaian, 223300, China
| | - N Wu
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huaian, 223300, China.,Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, 223300, China.,School of Life Sciences, Huaiyin Normal University, Huaian, 223300, China
| | - Y Ge
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huaian, 223300, China.,Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, 223300, China.,School of Life Sciences, Huaiyin Normal University, Huaian, 223300, China
| | - Y Zhou
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huaian, 223300, China.,Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, 223300, China.,School of Life Sciences, Huaiyin Normal University, Huaian, 223300, China
| | - T Shen
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huaian, 223300, China.,Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, 223300, China.,School of Life Sciences, Huaiyin Normal University, Huaian, 223300, China
| | - Q Qiang
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huaian, 223300, China.,Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, 223300, China.,School of Life Sciences, Huaiyin Normal University, Huaian, 223300, China
| | - Q Zhang
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huaian, 223300, China.,Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, 223300, China.,School of Life Sciences, Huaiyin Normal University, Huaian, 223300, China
| | - M Chen
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huaian, 223300, China.,Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, 223300, China.,School of Life Sciences, Huaiyin Normal University, Huaian, 223300, China
| | - Y Wang
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huaian, 223300, China.,Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, 223300, China.,School of Life Sciences, Huaiyin Normal University, Huaian, 223300, China
| | - L Wang
- Library of Soochow University, Suzhou, 215123, China
| | - J Hong
- Medical College of Soochow University, Suzhou, 215123, China
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Hong F, Wang Y, Zhou Y, Zhang Q, Ge Y, Chen M, Hong J, Wang L. Exposure to TiO2 Nanoparticles Induces Immunological Dysfunction in Mouse Testitis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:346-55. [PMID: 26720763 DOI: 10.1021/acs.jafc.5b05262] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Although TiO2 nanoparticles (NPs) as endocrine disruptors have been demonstrated to be able to cross the blood-testis barriers and induce reproductive toxicity in male animals, whether the reproductive toxicity of male animals due to exposure to endocrine disruptor TiO2 NPs is related to immunological dysfunction in the testis remains not well understood. This study determined whether the reproductive toxicity and immunological dysfunction induced by exposure to TiO2 NPs is associated with activation or inhibition of TAM/TLR-mediated signal pathway in mouse testis. The results showed that male mice exhibited significant reduction of fertility, infiltration of inflammatory cells, rarefaction, apoptosis, and/or necrosis of spermatogenic cells and Sertoli cells due to TiO2 NPs. Furthermore, these were associated with decreased expression of Tyro3 (-18.16 to -66.6%), Axl (-14.7 to -57.99%), Mer (-7.98 to -72.62%), and IκB (-11.25 to -63.16%), suppression of cytokine signaling (SOCS) 1 (-21.99 to -73.8%) and SOCS3 (-8.11 to -34.86%), and increased expression of Toll-like receptor (TLR)-3 (21.4-156.03%), TLR-4 (37.0-109.87%), nuclear factor-κB (14.75-69.34%), interleukin (IL)-lβ (46.15-123.08%), IL-6 (2.54-81.98%), tumor necrosis factor-α (6.95-88.39%), interferon (IFN)-α (2.54-37.25%), and IFN-β (10.19-80.56%), which are involved in the immune environment in the testis. The findings showed that reproductive toxicity of male mice induced by exposure to endocrine disruptor TiO2 NPs may be associated with biomarkers of impairment of immune environment or dysfunction of TAM/TLR3-mediated signal pathway in mouse testitis. Therefore, the potential risks to reproductive health should be attended, especially in those who are occupationally exposed to TiO2 NPs.
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Affiliation(s)
- Fashui Hong
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University , Huaian 223300, China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University , Huaian 223300, China
- School of Life Sciences, Huaiyin Normal University , Huaian 223300, China
| | - Yajing Wang
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University , Huaian 223300, China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University , Huaian 223300, China
- School of Life Sciences, Huaiyin Normal University , Huaian 223300, China
| | - Yingjun Zhou
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University , Huaian 223300, China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University , Huaian 223300, China
- School of Life Sciences, Huaiyin Normal University , Huaian 223300, China
| | - Qi Zhang
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University , Huaian 223300, China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University , Huaian 223300, China
- School of Life Sciences, Huaiyin Normal University , Huaian 223300, China
| | - Yushuang Ge
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University , Huaian 223300, China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University , Huaian 223300, China
- School of Life Sciences, Huaiyin Normal University , Huaian 223300, China
| | - Ming Chen
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University , Huaian 223300, China
- Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University , Huaian 223300, China
- School of Life Sciences, Huaiyin Normal University , Huaian 223300, China
| | - Jie Hong
- Medical College of Soochow University , Suzhou 215123, China
| | - Ling Wang
- Library of Soochow University , Suzhou 215123, China
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38
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Song B, Liu J, Feng X, Wei L, Shao L. A review on potential neurotoxicity of titanium dioxide nanoparticles. NANOSCALE RESEARCH LETTERS 2015; 10:1042. [PMID: 26306536 PMCID: PMC4549355 DOI: 10.1186/s11671-015-1042-9] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Accepted: 07/27/2015] [Indexed: 05/24/2023]
Abstract
As the rapid development of nanotechnology in the past three decades, titanium dioxide nanoparticles (TiO2 NPs), for their peculiar physicochemical properties, are widely applied in consumer products, food additives, cosmetics, drug carriers, and so on. However, little is known about their potential exposure and neurotoxic effects. Once NPs are unintentionally exposed to human beings, they could be absorbed, and then accumulated in the brain regions by passing through the blood-brain barrier (BBB) or through the nose-to-brain pathway, potentially leading to dysfunctions of central nerve system (CNS). Besides, NPs may affect the brain development of embryo by crossing the placental barrier. A few in vivo and in vitro researches have demonstrated that the morphology and function of neuronal or glial cells could be impaired by TiO2 NPs which might induce cell necrosis. Cellular components, such as mitochondrial, lysosome, and cytoskeleton, could also be influenced as well. The recognition ability, spatial memory, and learning ability of TiO2 NPs-treated rodents were significantly impaired, which meant that accumulation of TiO2 NPs in the brain could lead to neurodegeneration. However, conclusions obtained from those studies were not consistent with each other as researchers may choose different experimental parameters, including administration ways, dosage, size, and crystal structure of TiO2 NPs. Therefore, in order to fully understand the potential risks of TiO2 NPs to brain health, figure out research areas where further studies are required, and improve its bio-safety for applications in the near future, how TiO2 NPs interact with the brain is investigated in this review by summarizing the current researches on neurotoxicity induced by TiO2 NPs.
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Affiliation(s)
- Bin Song
- />Guizhou Provincial People’s Hospital, Guiyang, 550002 China
- />Nanfang Hospital, Southern Medical University, Guangzhou, 510515 China
| | - Jia Liu
- />Nanfang Hospital, Southern Medical University, Guangzhou, 510515 China
| | - Xiaoli Feng
- />Nanfang Hospital, Southern Medical University, Guangzhou, 510515 China
| | - Limin Wei
- />Nanfang Hospital, Southern Medical University, Guangzhou, 510515 China
| | - Longquan Shao
- />Nanfang Hospital, Southern Medical University, Guangzhou, 510515 China
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Hong F, Si W, Zhao X, Wang L, Zhou Y, Chen M, Ge Y, Zhang Q, Wang Y, Zhang J. TiO2 Nanoparticle Exposure Decreases Spermatogenesis via Biochemical Dysfunctions in the Testis of Male Mice. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:7084-92. [PMID: 26145168 DOI: 10.1021/acs.jafc.5b02652] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
TiO2 nanoparticles (NPs) have been demonstrated to suppress spermatogenesis in animals, while there is little data related to the biochemical dysfunctions during spermatogenesis due to exposure to TiO2 NPs. In this study, male mice have been exposed to TiO2 NPs via intragastric administration for 60 consecutive days. The findings showed that TiO2 NP exposure resulted in lesions of testis and epididymis, deductions in sperm concentration and sperm motility, and an increase of the number of abnormal sperm in mice. Furthermore, TiO2 NP exposure with 2.5, 5, or 10 mg/kgbw decreased activities of lactate dehydrogenase (-11.59% to -39.84%), sorbitol dehydrogenase (-23.56% to -57.33%), succinate dehydrogenase (-27.04% to -57.85%), glucose-6-phosphate dehydrogenase (-28.3% to -56.42%), Na(+)/K(+)-ATPase (-15.59% to -53.11%), Ca(2+)-ATPase (-12.44% to -55.41%), and Ca(2+)/Mg(2+)-ATPase (-28.25% to -65.72%), and elevated activities of acid phosphatase (+10.48% to +40.0%), alkaline phosphatase (+20.65% to +64.07%), and total nitric oxide synthase (+0.68- to +2.3-fold) in the testes of mice, respectively. In addition, TiO2 NP exposure caused excessive production of reactive oxygen species (+16.15% to +110.62%), and increased malondialdehyde of lipid peroxidation product (+38.96% to +118.07%), carbonyl of protein oxidative product (+20.98% to +108.1%), and 8-hydroxydeoxyguanosine of DNA oxidative product (+0.9- to +1.83-fold) in the testes, respectively. It implied that spermatogenesis suppression caused by TiO2 NP exposure may be associated with alterations of testicular marked enzymes and oxidative stress in the testes.
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Affiliation(s)
| | - Wenhui Si
- ⊥Key Laboratory of Agricultural and Animal Products Processing and Quality Control, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China
- #Suzhou Polytechnic Institute of Agriculture, Suzhou 215008, China
| | - Xiaoyang Zhao
- ▽Medical College of Soochow University, Suzhou 215123, China
| | - Ling Wang
- ¶Library of Soochow University, Suzhou, China, Suzhou 215123, China
| | | | | | | | | | | | - Jianhao Zhang
- ⊥Key Laboratory of Agricultural and Animal Products Processing and Quality Control, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China
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