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Xiang Y, Li C, Wang Z, Feng J, Zhang J, Yang Y, Zhou J, Zhang J. TRIM13 Reduces Damage to Alveolar Epithelial Cells in COPD by Inhibiting Endoplasmic Reticulum Stress-Induced ER-Phagy. Lung 2024:10.1007/s00408-024-00753-8. [PMID: 39382594 DOI: 10.1007/s00408-024-00753-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2024] [Accepted: 09/20/2024] [Indexed: 10/10/2024]
Abstract
PURPOSE Tripartite motif-containing protein 13 (TRIM13) directly or indirectly participates in autophagy and apoptosis. However, it remains unclear whether TRIM13 participates in chronic obstructive pulmonary disease (COPD) progression. This study aimed to reveal the molecular mechanisms through which TRIM13 regulates alveolar epithelial cell injury in COPD to provide new molecular targets for COPD treatment. METHODS The TRIM13 expression levels were determined in clinical COPD patients and a rat emphysema model. A cigarette smoke-induced model of endoplasmic reticulum stress (ERS) and endoplasmic reticulum autophagy (ER-phagy) was developed using A549 cells, and the effects of TRIM13 gene overexpression/knockdown on ERS, ER-phagy, and cell apoptosis were assessed in these cells. RESULTS TRIM13 expression was significantly decreased in the lung tissues of COPD patients and rats with emphysema. Moreover, the apoptosis level was significantly increased in the lung tissues of rats with emphysema. TRIM13 gene overexpression reduced the expression levels of ERS-related molecules (GRP78, GRP94, XBP-1, and eIF2a) in the COPD model; it also lowered the ER-phagy level, as evidenced by decreased number of autolysosomes observed by transmission electron microscopy, improved endoplasmic reticulum structure, reduced LC3-II/LC3-I and Beclin1 expression levels, and increased expression level of the autophagy inhibitory molecule Bcl-2. TRIM13 gene knockdown, however, led to opposite results. CONCLUSION TRIM13 expression attenuated alveolar epithelial cell injury in COPD by inhibiting ERS-induced ER-phagy.
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Affiliation(s)
- Yaling Xiang
- Department of Respiratory Critical Care Medicine, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Chuntao Li
- Department of Respiratory Critical Care Medicine, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Zhiyuan Wang
- Department of Respiratory Critical Care Medicine, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Jiagang Feng
- Department of Respiratory Critical Care Medicine, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Jiaqiang Zhang
- Department of Respiratory Critical Care Medicine, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Yue Yang
- Department of Respiratory Critical Care Medicine, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Jinbiao Zhou
- Department of Respiratory Critical Care Medicine, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Jianqing Zhang
- Department of Respiratory Critical Care Medicine, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China.
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Li F, Wang X, Zhang J, Nie H, He S, Li Y, Xia R, Zhu Y. Low levels of Cd 2+ combined with procymidone may cause ovarian damage in mice via unfolded protein response. ENVIRONMENTAL TOXICOLOGY 2024; 39:3160-3171. [PMID: 38323353 DOI: 10.1002/tox.24169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 10/28/2023] [Accepted: 01/26/2024] [Indexed: 02/08/2024]
Abstract
As no study about the combined effect of low levels of Cd2+ with procymidone (PCM) on organs and organisms, we investigated their actions on mouse-ovary in vivo and in vitro. Four-week mice were treated with corn oil for the control group, corn oil + 0.0045 mg/L Cd2+ (CdCl2 was dissolved in ultrapure water and freely consumed by mice) for Cd2+ group, 50 mg/kg/d PCM (suspended in corn oil and administered orally to mice) for PCM group, and 50 mg/kg/d PCM + 0.0015 (0.0045 and 0.0135) mg/L Cd2+ for L+ (M+ and H+) PCM group for 21 days. For in vitro experiment, the cultured ovaries were treated with acetone for the control group, 0.1% acetone + 8.4 μg/L Cd2+ for the Cd2+ group, 0.63 mg/L PCM (dissolved in acetone) for the PCM-group, and 0.63 mg/L PCM + 2.8 (8.4 and 25.2) μg/L Cd2+ for L+ (M+ and H+) PCM group for 7 days. Mouse body weight in each treatment group, the weight and volume of ovaries in all PCM groups were lower than the control. Both in vivo and in vitro, all-stage follicle numbers were lower in M+PCM and H+PCM groups, whereas the atretic follicles and CASPASE3/8 were higher; meanwhile, lower estradiol and progesterone and higher unfolded protein response (UPR) members in all PCM groups. L+, M+, and H+PCM groups had further ovarian damage and stronger UPR than PCM groups, as did M+PCM groups over Cd2+ groups. It is hypothesized low-level PCM and Cd2+ may mutually promote each other's triggered UPR and exacerbate ovarian damage.
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Affiliation(s)
- Fan Li
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Medical School, Hunan Normal University, Changsha, China
| | - Xuning Wang
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Medical School, Hunan Normal University, Changsha, China
| | - Jiaxin Zhang
- Department of Clinical Medicine, Medical School, Hunan Normal University, Changsha, China
| | - Hui Nie
- Department of Clinical Medicine, Medical School, Hunan Normal University, Changsha, China
| | - Shiyun He
- Department of Clinical Medicine, Medical School, Hunan Normal University, Changsha, China
| | - Yushan Li
- Department of Clinical Medicine, Medical School, Hunan Normal University, Changsha, China
| | - Ruowen Xia
- Department of Clinical Medicine, Medical School, Hunan Normal University, Changsha, China
| | - Yongfei Zhu
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Medical School, Hunan Normal University, Changsha, China
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Lin X, Chen T. A Review of in vivo Toxicity of Quantum Dots in Animal Models. Int J Nanomedicine 2023; 18:8143-8168. [PMID: 38170122 PMCID: PMC10759915 DOI: 10.2147/ijn.s434842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 12/15/2023] [Indexed: 01/05/2024] Open
Abstract
Tremendous research efforts have been devoted to nanoparticles for applications in optoelectronics and biomedicine. Over the past decade, quantum dots (QDs) have become one of the fastest growing areas of research in nanotechnology because of outstanding photophysical properties, including narrow and symmetrical emission spectrum, broad fluorescence excitation spectrum, the tenability of the emission wavelength with the particle size and composition, anti-photobleaching ability and stable fluorescence. These characteristics are suitable for optical imaging, drug delivery and other biomedical applications. Research on QDs toxicology has demonstrated QDs affect or damage the biological system to some extent, and this situation is generally caused by the metal ions and some special properties in QDs, which hinders the further application of QDs in the biomedical field. The toxicological mechanism mainly stems from the release of heavy metal ions and generation of reactive oxygen species (ROS). At the same time, the contact reaction with QDs also cause disorders in organelles and changes in gene expression profiles. In this review, we try to present an overview of the toxicity and related toxicity mechanisms of QDs in different target organs. It is believed that the evaluation of toxicity and the synthesis of environmentally friendly QDs are the primary issues to be addressed for future widespread applications. However, considering the many different types and potential modifications, this review on the potential toxicity of QDs is still not clearly elucidated, and further research is needed on this meaningful topic.
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Affiliation(s)
- Xiaotan Lin
- School of Basic Medicine, Guangdong Medical University, DongGuan, People’s Republic of China
- Department of Family Planning, Second Clinical Medical College of Jinan University, Shenzhen People’s Hospital, Shenzhen, People’s Republic of China
| | - Tingting Chen
- School of Basic Medicine, Guangdong Medical University, DongGuan, People’s Republic of China
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Färkkilä SMA, Mortimer M, Jaaniso R, Kahru A, Kiisk V, Kikas A, Kozlova J, Kurvet I, Mäeorg U, Otsus M, Kasemets K. Comparison of Toxicity and Cellular Uptake of CdSe/ZnS and Carbon Quantum Dots for Molecular Tracking Using Saccharomyces cerevisiae as a Fungal Model. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 14:10. [PMID: 38202465 PMCID: PMC10781119 DOI: 10.3390/nano14010010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/12/2023] [Accepted: 12/15/2023] [Indexed: 01/12/2024]
Abstract
Plant resource sharing mediated by mycorrhizal fungi has been a subject of recent debate, largely owing to the limitations of previously used isotopic tracking methods. Although CdSe/ZnS quantum dots (QDs) have been successfully used for in situ tracking of essential nutrients in plant-fungal systems, the Cd-containing QDs, due to the intrinsic toxic nature of Cd, are not a viable system for larger-scale in situ studies. We synthesized amino acid-based carbon quantum dots (CQDs; average hydrodynamic size 6 ± 3 nm, zeta potential -19 ± 12 mV) and compared their toxicity and uptake with commercial CdSe/ZnS QDs that we conjugated with the amino acid cysteine (Cys) (average hydrodynamic size 308 ± 150 nm, zeta potential -65 ± 4 mV) using yeast Saccharomyces cerevisiae as a proxy for mycorrhizal fungi. We showed that the CQDs readily entered yeast cells and were non-toxic up to 100 mg/L. While the Cys-conjugated CdSe/ZnS QDs were also not toxic to yeast cells up to 100 mg/L, they were not taken up into the cells but remained on the cell surfaces. These findings suggest that CQDs may be a suitable tool for molecular tracking in fungi (incl. mychorrhizal fungi) due to their ability to enter fungal cells.
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Affiliation(s)
- Sanni M. A. Färkkilä
- Institute of Ecology and Earth Sciences, University of Tartu, Juhan Liivi 2, 50409 Tartu, Estonia
| | - Monika Mortimer
- Laboratory of Environmental Toxicology, National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, 12618 Tallinn, Estonia; (M.M.); (A.K.); (I.K.); (M.O.)
| | - Raivo Jaaniso
- Institute of Physics, University of Tartu, W. Ostwaldi 1, 50411 Tartu, Estonia; (R.J.); (V.K.); (A.K.); (J.K.)
| | - Anne Kahru
- Laboratory of Environmental Toxicology, National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, 12618 Tallinn, Estonia; (M.M.); (A.K.); (I.K.); (M.O.)
| | - Valter Kiisk
- Institute of Physics, University of Tartu, W. Ostwaldi 1, 50411 Tartu, Estonia; (R.J.); (V.K.); (A.K.); (J.K.)
| | - Arvo Kikas
- Institute of Physics, University of Tartu, W. Ostwaldi 1, 50411 Tartu, Estonia; (R.J.); (V.K.); (A.K.); (J.K.)
| | - Jekaterina Kozlova
- Institute of Physics, University of Tartu, W. Ostwaldi 1, 50411 Tartu, Estonia; (R.J.); (V.K.); (A.K.); (J.K.)
| | - Imbi Kurvet
- Laboratory of Environmental Toxicology, National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, 12618 Tallinn, Estonia; (M.M.); (A.K.); (I.K.); (M.O.)
| | - Uno Mäeorg
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia;
| | - Maarja Otsus
- Laboratory of Environmental Toxicology, National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, 12618 Tallinn, Estonia; (M.M.); (A.K.); (I.K.); (M.O.)
| | - Kaja Kasemets
- Laboratory of Environmental Toxicology, National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, 12618 Tallinn, Estonia; (M.M.); (A.K.); (I.K.); (M.O.)
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Wang X, Wu T. An update on the biological effects of quantum dots: From environmental fate to risk assessment based on multiple biological models. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 879:163166. [PMID: 37011691 DOI: 10.1016/j.scitotenv.2023.163166] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 03/12/2023] [Accepted: 03/26/2023] [Indexed: 05/17/2023]
Abstract
Quantum dots (QDs) are zero-dimension nanomaterials with excellent physical and chemical properties, which have been widely used in environmental science and biomedicine. Therefore, QDs are potential to cause toxicity to the environment and enter organisms through migration and bioenrichment effects. This review aims to provide a comprehensive and systematic analysis on the adverse effects of QDs in different organisms based on recently available data. Following PRISMA guidelines, this study searched PubMed database according to the pre-set keywords, and included 206 studies according to the inclusion and elimination criteria. CiteSpace software was firstly used to analyze the keywords of included literatures, search for breaking points of former studies, and summarize the classification, characterization and dosage of QDs. The environment fate of QDs in the ecosystems were then analyzed, followed with comprehensively summarized toxicity outcomes at individual, system, cell, subcellular and molecular levels. After migration and degradation in the environment, aquatic plants, bacteria, fungi as well as invertebrates and vertebrates have been found to be suffered from toxic effects caused by QDs. Aside from systemic effects, toxicity of intrinsic QDs targeting to specific organs, including respiratory system, cardiovascular system, hepatorenal system, nervous system and immune system were confirmed in multiple animal models. Moreover, QDs could be taken up by cells and disturb the organelles, which resulted in cellular inflammation and cell death, including autophagy, apoptosis, necrosis, pyroptosis and ferroptosis. Recently, several innovative technologies, like organoids have been applied in the risk assessment of QDs to promote the surgical interventions of preventing QDs' toxicity. This review not only aimed at updating the research progress on the biological effects of QDs from environmental fate to risk assessment, but also overcame the limitations of available reviews on basic toxicity of nanomaterials by interdisciplinarity and provided new insights for better applications of QDs.
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Affiliation(s)
- Xinyu Wang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, Nanjing 210009, PR China; School of Public Health, Southeast University, Nanjing 210009, PR China
| | - Tianshu Wu
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, Nanjing 210009, PR China; School of Public Health, Southeast University, Nanjing 210009, PR China.
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Zhang T, Lu J, Yao Y, Pang Y, Ding X, Tang M. MPA-capped CdTequantum dots induces endoplasmic reticulum stress-mediated autophagy and apoptosis through generation of reactive oxygen species in human liver normal cell and liver tumor cell. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 326:121397. [PMID: 36933817 DOI: 10.1016/j.envpol.2023.121397] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 02/10/2023] [Accepted: 03/02/2023] [Indexed: 06/18/2023]
Abstract
The rapid developments in nanotechnology have brought increased attention to the safety of Quantum Dots (QDs). Exploring their mechanisms of toxicity and characterizing their toxic effects in different cell lines will help us better understand and apply QDs appropriately. This study aims to elucidate the importance of reactive oxygen species (ROS) and endoplasmic reticulum (ER) stress-induced autophagy for CdTe QDs toxicity, that is, the importance of the nanoparticles in mediating cellular uptake and consequent intracellular stress effects inside the cell. The results of the study showed that cancer cells and normal cells have different cell outcomes as a result of intracellular stress effects. In normal human liver cells (L02), CdTe QDs leads to ROS generation and prolong ER stress. The subsequent autophagosome accumulation eventually triggers apoptosis by activating proapoptotic signaling pathways and the expression of proapoptotic Bax. In contrast, in human liver cancer cells (HepG2 cells), expression of UPR restrains proapoptotic signaling and downregulates Bax, and activated protective cellular autophagy, as a result of protecting these liver cancer cells from CdTe QDs-induced apoptosis. In summary, we assess the safety of CdTe QDs and recounted the molecular mechanism underlying its nanotoxicity in normal and cancerous cells. Notwithstanding, additional detailed studies on the deleterious effects of these nanoparticles in the organisms of interest are required to ensure low-risk application.
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Affiliation(s)
- Ting Zhang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China.
| | - Jie Lu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China; Qingpu District Center for Disease Control, Shanghai, 201700, China
| | - Ying Yao
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Yanting Pang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Xiaomeng Ding
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Meng Tang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
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Wei F, Yang A, Zhao Z, An H, Li Y, Duan Y. Mechanism of ER Stress-mediated ER-phagy by CdTe-QDs in Yeast Cells. Toxicol Lett 2022; 365:36-45. [DOI: 10.1016/j.toxlet.2022.05.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 04/15/2022] [Accepted: 05/25/2022] [Indexed: 11/24/2022]
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