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Fabiani G, Evangelou N, Cui T, Bello-Rivas JM, Martin-Linares CP, Siettos C, Kevrekidis IG. Task-oriented machine learning surrogates for tipping points of agent-based models. Nat Commun 2024; 15:4117. [PMID: 38750063 PMCID: PMC11096392 DOI: 10.1038/s41467-024-48024-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 04/15/2024] [Indexed: 05/18/2024] Open
Abstract
We present a machine learning framework bridging manifold learning, neural networks, Gaussian processes, and Equation-Free multiscale approach, for the construction of different types of effective reduced order models from detailed agent-based simulators and the systematic multiscale numerical analysis of their emergent dynamics. The specific tasks of interest here include the detection of tipping points, and the uncertainty quantification of rare events near them. Our illustrative examples are an event-driven, stochastic financial market model describing the mimetic behavior of traders, and a compartmental stochastic epidemic model on an Erdös-Rényi network. We contrast the pros and cons of the different types of surrogate models and the effort involved in learning them. Importantly, the proposed framework reveals that, around the tipping points, the emergent dynamics of both benchmark examples can be effectively described by a one-dimensional stochastic differential equation, thus revealing the intrinsic dimensionality of the normal form of the specific type of the tipping point. This allows a significant reduction in the computational cost of the tasks of interest.
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Affiliation(s)
- Gianluca Fabiani
- Modelling Engineering Risk and Complexity, Scuola Superiore Meridionale, Naples, Italy
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Nikolaos Evangelou
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Tianqi Cui
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Juan M Bello-Rivas
- Department of Applied Mathematics and Statistics, Johns Hopkins University, Baltimore, MD, USA
| | | | - Constantinos Siettos
- Dipartimento di Matematica e Applicazioni 'Renato Caccioppoli', Università degli Studi di Napoli Federico II, Naples, Italy.
| | - Ioannis G Kevrekidis
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, USA.
- Department of Applied Mathematics and Statistics, Johns Hopkins University, Baltimore, MD, USA.
- School of Medicine's Dept. of Urology, Johns Hopkins University, Baltimore, MD, USA.
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Huang J, Li J, Peng Y, Cui T, Guo J, Duan S, Zhou K, Huang S, Chen J, Yi Q, Qiu M, Chen T, Wu X, Ma C, Zhang Z, Zheng Y, Tang X, Pang Y, Zhang L, Zhong C, Gao Y. The lack of PPARα exacerbated the progression of non-alcoholic steatohepatitis in mice with spleen deficiency syndrome by triggering an inflammatory response. Front Immunol 2024; 15:1381340. [PMID: 38633246 PMCID: PMC11021588 DOI: 10.3389/fimmu.2024.1381340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Accepted: 03/14/2024] [Indexed: 04/19/2024] Open
Abstract
Background In addition to abnormal liver inflammation, the main symptoms of non-alcoholic steatohepatitis (NASH) are often accompanied by gastrointestinal digestive dysfunction, consistent with the concept of spleen deficiency (SD) in traditional Chinese medicine. As an important metabolic sensor, whether peroxisome proliferator-activated receptor alpha (PPARα) participates in regulating the occurrence and development of NASH with SD (NASH-SD) remains to be explored. Methods Clinical liver samples were collected for RNA-seq analysis. C57BL/6J mice induced by folium sennae (SE) were used as an SD model. qPCR analysis was conducted to evaluate the inflammation and metabolic levels of mice. PPARα knockout mice (PPARαko) were subjected to SE and methionine-choline-deficient (MCD) diet to establish the NASH-SD model. The phenotype of NASH and the inflammatory indicators were measured using histopathologic analysis and qPCR as well. Results The abnormal expression of PPARα signaling, coupled with metabolism and inflammation, was found in the results of RNA-seq analysis from clinical samples. SD mice showed a more severe inflammatory response in the liver evidenced by the increases in macrophage biomarkers, inflammatory factors, and fibrotic indicators in the liver. qPCR results also showed differences in PPARα between SD mice and control mice. In PPARαko mice, further evidence was found that the lack of PPARα exacerbated the inflammatory response phenotype as well as the lipid metabolism disorder in NASH-SD mice. Conclusion The abnormal NR signaling accelerated the vicious cycle between lipotoxicity and inflammatory response in NAFLD with SD. Our results provide new evidence for nuclear receptors as potential therapeutic targets for NAFLD with spleen deficiency.
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Affiliation(s)
- Jiawen Huang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jiayu Li
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yuan Peng
- Department of Pharmacy, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Tianqi Cui
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jingyi Guo
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Siwei Duan
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Kaili Zhou
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shangyi Huang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jiabing Chen
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qincheng Yi
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Min Qiu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Tingting Chen
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiaoqin Wu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Chenlu Ma
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ziyi Zhang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yi Zheng
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xi Tang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yanqing Pang
- Department of Phase I Clinical Research Center, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou, China
| | - Lei Zhang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Department of Physiology and Pathophysiology, Tianjin Medical University, Tianjin, China
| | - Chong Zhong
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yong Gao
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
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Bhattacharyya P, Chen W, Huang X, Chatterjee S, Huang B, Kobrin B, Lyu Y, Smart TJ, Block M, Wang E, Wang Z, Wu W, Hsieh S, Ma H, Mandyam S, Chen B, Davis E, Geballe ZM, Zu C, Struzhkin V, Jeanloz R, Moore JE, Cui T, Galli G, Halperin BI, Laumann CR, Yao NY. Imaging the Meissner effect in hydride superconductors using quantum sensors. Nature 2024; 627:73-79. [PMID: 38418887 DOI: 10.1038/s41586-024-07026-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Accepted: 01/03/2024] [Indexed: 03/02/2024]
Abstract
By directly altering microscopic interactions, pressure provides a powerful tuning knob for the exploration of condensed phases and geophysical phenomena1. The megabar regime represents an interesting frontier, in which recent discoveries include high-temperature superconductors, as well as structural and valence phase transitions2-6. However, at such high pressures, many conventional measurement techniques fail. Here we demonstrate the ability to perform local magnetometry inside a diamond anvil cell with sub-micron spatial resolution at megabar pressures. Our approach uses a shallow layer of nitrogen-vacancy colour centres implanted directly within the anvil7-9; crucially, we choose a crystal cut compatible with the intrinsic symmetries of the nitrogen-vacancy centre to enable functionality at megabar pressures. We apply our technique to characterize a recently discovered hydride superconductor, CeH9 (ref. 10). By performing simultaneous magnetometry and electrical transport measurements, we observe the dual signatures of superconductivity: diamagnetism characteristic of the Meissner effect and a sharp drop of the resistance to near zero. By locally mapping both the diamagnetic response and flux trapping, we directly image the geometry of superconducting regions, showing marked inhomogeneities at the micron scale. Our work brings quantum sensing to the megabar frontier and enables the closed-loop optimization of superhydride materials synthesis.
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Affiliation(s)
- P Bhattacharyya
- Department of Physics, University of California, Berkeley, CA, USA
- Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - W Chen
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China
| | - X Huang
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China
| | - S Chatterjee
- Department of Physics, University of California, Berkeley, CA, USA
- Department of Physics, Carnegie Mellon University, Pittsburgh, PA, USA
| | - B Huang
- Department of Chemistry, University of Chicago, Chicago, IL, USA
| | - B Kobrin
- Department of Physics, University of California, Berkeley, CA, USA
- Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - Y Lyu
- Department of Physics, University of California, Berkeley, CA, USA
| | - T J Smart
- Department of Physics, University of California, Berkeley, CA, USA
- Department of Earth and Planetary Science, University of California, Berkeley, CA, USA
| | - M Block
- Department of Physics, Harvard University, Cambridge, MA, USA
| | - E Wang
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA
| | - Z Wang
- Department of Physics, Harvard University, Cambridge, MA, USA
| | - W Wu
- Department of Physics, Harvard University, Cambridge, MA, USA
| | - S Hsieh
- Department of Physics, University of California, Berkeley, CA, USA
- Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - H Ma
- Department of Chemistry, University of Chicago, Chicago, IL, USA
| | - S Mandyam
- Department of Physics, Harvard University, Cambridge, MA, USA
| | - B Chen
- Department of Physics, Harvard University, Cambridge, MA, USA
| | - E Davis
- Department of Physics, University of California, Berkeley, CA, USA
| | - Z M Geballe
- Earth and Planets Laboratory, Carnegie Institution of Washington, Washington, DC, USA
| | - C Zu
- Department of Physics, Washington University in St. Louis, St. Louis, MO, USA
| | - V Struzhkin
- Center for High Pressure Science and Technology Advanced Research, Shanghai, China
| | - R Jeanloz
- Department of Earth and Planetary Science, University of California, Berkeley, CA, USA
| | - J E Moore
- Department of Physics, University of California, Berkeley, CA, USA
- Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - T Cui
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China
- School of Physical Science and Technology, Ningbo University, Ningbo, China
| | - G Galli
- Department of Chemistry, University of Chicago, Chicago, IL, USA
- Materials Science Division and Center for Molecular Engineering, Argonne National Laboratory, Lemont, IL, USA
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - B I Halperin
- Department of Physics, Harvard University, Cambridge, MA, USA
| | - C R Laumann
- Department of Physics, Boston University, Boston, MA, USA
| | - N Y Yao
- Department of Physics, University of California, Berkeley, CA, USA.
- Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA.
- Department of Physics, Harvard University, Cambridge, MA, USA.
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Zhang L, Chen J, Yang X, Shen C, Huang J, Zhang D, Liu N, Liu C, Zhong Y, Chen Y, Tang K, Guo J, Cui T, Duan S, Li J, Huang S, Pan H, Zhang H, Tang X, Chang Y, Gao Y. Hepatic Zbtb18 (Zinc Finger and BTB Domain Containing 18) alleviates hepatic steatohepatitis via FXR (Farnesoid X Receptor). Signal Transduct Target Ther 2024; 9:20. [PMID: 38263084 PMCID: PMC10806020 DOI: 10.1038/s41392-023-01727-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 10/25/2023] [Accepted: 12/05/2023] [Indexed: 01/25/2024] Open
Abstract
A lasting imbalance between fatty acid synthesis and consumption leads to non-alcoholic fatty liver disease (NAFLD), coupled with hepatitis and insulin resistance. Yet the details of the underlying mechanisms are not fully understood. Here, we unraveled that the expression of the transcription factor Zbtb18 is markedly decreased in the livers of both patients and murine models of NAFLD. Hepatic Zbtb18 knockout promoted NAFLD features like impaired energy expenditure and fatty acid oxidation (FAO), and induced insulin resistance. Conversely, hepatic Zbtb18 overexpression alleviated hepato-steatosis, insulin resistance, and hyperglycemia in mice fed on a high-fat diet (HFD) or in diabetic mice. Notably, in vitro and in vivo mechanistic studies revealed that Zbtb18 transcriptional activation of Farnesoid X receptor (FXR) mediated FAO and Clathrin Heavy Chain (CLTC) protein hinders NLRP3 inflammasome activity. This key mechanism by which hepatocyte's Zbtb18 expression alleviates NAFLD and consequent liver fibrosis was further verified by FXR's deletion and forced expression in mice and cultured mouse primary hepatocytes (MPHs). Moreover, CLTC deletion significantly abrogated the hepatic Zbtb18 overexpression-driven inhibition of NLRP3 inflammasome activity in macrophages. Altogether, Zbtb18 transcriptionally activates the FXR-mediated FAO and CLTC expression, which inhibits NLRP3 inflammasome's activity alleviating inflammatory stress and insulin resistance, representing an attractive remedy for hepatic steatosis and fibrosis.
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Affiliation(s)
- Lei Zhang
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), Tianjin Key Laboratory of Cellular Homeostasis and Disease, Department of Physiology and Pathophysiology, Tianjin Medical University, Tianjin, China
| | - Jiabing Chen
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiaoying Yang
- Jiangsu Key Laboratory of Immunity and Metabolism, Department of Pathogen Biology and Immunology, Jiangsu International Laboratory of Immunity and Metabolism, Xuzhou Medical University, Xuzhou, China
| | - Chuangpeng Shen
- Department of Endocrinology, The First Clinical College, Guangzhou University of Chinese Medicine, Guangdong, China
| | - Jiawen Huang
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Dong Zhang
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, China
| | - Naihua Liu
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Chaonan Liu
- Department of Endocrinology, The First Clinical College, Guangzhou University of Chinese Medicine, Guangdong, China
| | - Yadi Zhong
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yingjian Chen
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Kaijia Tang
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jingyi Guo
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Tianqi Cui
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Siwei Duan
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jiayu Li
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shangyi Huang
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Huafeng Pan
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine in Prevention and Treatment of Tumor, Nanjing University of Chinese Medicine, Nanjing, China
| | - Huabing Zhang
- Department of Biochemistry and Molecular Biology, Metabolic Disease Research Center, School of Basic Medicine, Anhui Medical University, Hefei, China
| | - Xiaoqiang Tang
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, China.
| | - Yongsheng Chang
- Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), Tianjin Key Laboratory of Cellular Homeostasis and Disease, Department of Physiology and Pathophysiology, Tianjin Medical University, Tianjin, China.
| | - Yong Gao
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine in Prevention and Treatment of Tumor, Nanjing University of Chinese Medicine, Nanjing, China.
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Cui T, Wu Y, Wang Z, Ban Q, Cheng J. Construction and properties of a carbon dots-decorated gelatin-dialdehyde starch hydrogel with pH response release and antibacterial activity. Int J Biol Macromol 2024; 254:127929. [PMID: 37972844 DOI: 10.1016/j.ijbiomac.2023.127929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 10/31/2023] [Accepted: 11/05/2023] [Indexed: 11/19/2023]
Abstract
An antibacterial carbon dot hydrogel (GDSS-PCD) was constructed based on gelatin, dialdehyde starch (DS) and carbon dots (S-PCDs). The formation mechanism of GDSS-PCD hydrogels was attributed to the synergistic cross-linking of hydrogen bonds and dynamic covalent bonds. With increasing S-PCD content, the mechanical and rheological properties of GDSS-PCD hydrogels can be improved, and the micropore size becomes denser. GDSS-PCD hydrogels had pH-dependent swelling and degradation behavior, with a high swelling rate under acidic conditions and relatively low swelling under neutral and alkaline conditions. The cumulative release of S-PCDs from the same hydrogel in an acidic environment was higher than that in an alkaline environment, indicating that the GDSS-PCD hydrogel had a pH-dependent controlled release ability. The release behavior of S-PCDs conformed to the first-order kinetic release model (R2 > 0.95), and the release mechanism was related to Fickian diffusion. The synergistic antibacterial mechanism of GDSS-PCD hydrogels against Staphylococcus aureus suggested that bacterial metabolism leads to an acidic culture environment, which releases S-PCDs and destroys the bacterial cell membrane for antibacterial purposes. In GDSS-PCD hydrogels, S-PCDs play the main antibacterial role, and the hydrogel plays a synergistic role in trapping bacteria. Carbon dot hydrogels are promising materials to fulfil the functions of antibacterial and controlled release in the food and biomedical fields.
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Affiliation(s)
- Tianqi Cui
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Yue Wu
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Zhaohua Wang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Qingfeng Ban
- College of Food Science, Northeast Agricultural University, Harbin 150030, China.
| | - Jianjun Cheng
- College of Food Science, Northeast Agricultural University, Harbin 150030, China.
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6
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Cui T, Fan Y, Liu Y, Fan X, Sun Y, Cheng G, Cheng J. Antibacterial Activity and Mechanism of Self-Assembly Spermidine-Capped Carbon Dots against Staphylococcus aureus. Foods 2023; 13:67. [PMID: 38201095 PMCID: PMC10778379 DOI: 10.3390/foods13010067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Revised: 12/19/2023] [Accepted: 12/21/2023] [Indexed: 01/12/2024] Open
Abstract
This paper investigated the antibacterial mechanism of spermidine-capped carbon dots (S-PCDs) against Staphylococcus aureus. The results showed that there were a large number of amino groups on the surface of S-PCDs and they had a high positive charge (+47.06 mV), which could be adsorbed on the negatively charged bacterial surface through electrostatic interaction and changed the permeability of the bacterial cell membrane. The extracellular protein and nucleic acid contents of S. aureus treated with S-PCDs were 5.4 and 1.2 times higher than those of the control group, respectively. The surface folds and defects of the bacterial cell membrane, and the leakage of cell contents were observed using SEM and TEM. The expression of metabolic oxidation regulatory genes dmpI, narJ and narK was upregulated and the intracellular ROS generation was induced, causing bacterial oxidative stress and eventually bacterial death. S-PCDs can effectively inhibit biofilm formation and had low cytotoxicity. The S-PCD treatment successfully inhibited microbial reproduction when pasteurized milk was stored at 25 °C and 4 °C. These results provide important insights into the antimicrobial mechanism of S-PCDs and lay the foundation for their application in the food field as a potentially novel bacteriostatic nanomaterial.
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Affiliation(s)
- Tianqi Cui
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650550, China
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Ya Fan
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650550, China
| | - Yaping Liu
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650550, China
| | - Xuejing Fan
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650550, China
| | - Yuxue Sun
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Guiguang Cheng
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650550, China
| | - Jianjun Cheng
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
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Cui T, Fan Y, Liu Y, Ding Y, Li X, Cheng G, Cheng J. Synthesizing Carbon Quantum Dots via Hydrothermal Reaction to Produce Efficient Antibacterial and Antibiofilm Nanomaterials. Foods 2023; 13:58. [PMID: 38201086 PMCID: PMC10778214 DOI: 10.3390/foods13010058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 12/19/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
This study aimed to synthesize antibacterial carbon quantum dots (SP-CDs) from polyethyleneimine and spermidine via hydrothermal reaction. It was revealed that SP-CDs, with small size (7.18 nm) and high positive charge (+31.15 mV), had good fluorescence properties and lots of amino groups on their surfaces. The inhibition effect of SP-CDs on Staphylococcus aureus was better than that towards Escherichia coli, and the SP-CDs also had an inhibitory effect on multi-drug-resistant E. coli. The mechanism of SP-CDs shows that the SP-CDs were adsorbed on the surface of the negatively charged cell membrane through electrostatic interaction. SP-CDs can cause changes in membrane permeability, resulting in a shift of the cell membrane from order to disorder and the decomposition of chemical components, followed by the leakage of cell contents, resulting in bacterial death. SP-CDs can also significantly inhibit biofilm formation, destroy mature biofilms and reduce the number of living cells. Moreover, SP-CDs had negligible antimicrobial resistance even after 18 generations of treatment. This study proves that SP-CDs effectively inhibit the proliferation of foodborne pathogens, providing new feasibility for the application of carbon-based nanomaterials in the food industry.
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Affiliation(s)
- Tianqi Cui
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650550, China
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Ya Fan
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650550, China
| | - Yaping Liu
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650550, China
| | - Yangyue Ding
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650550, China
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Xinyue Li
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650550, China
| | - Guiguang Cheng
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650550, China
| | - Jianjun Cheng
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
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Pan Z, Guo J, Tang K, Chen Y, Gong X, Chen Y, Zhong Y, Xiao X, Duan S, Cui T, Wu X, Zhong Y, Yang X, Shen C, Gao Y. Correction to "Ginsenoside Rc Modulates SIRT6-NRF2 Interaction to Alleviate Alcoholic Liver Disease". J Agric Food Chem 2023; 71:20402-20404. [PMID: 38051201 DOI: 10.1021/acs.jafc.3c08315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
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Yu G, Duan Q, Cui T, Jiang C, Li X, Li Y, Fu J, Zhang Y, Wang H, Luan J. Development of a bacterial gene transcription activating strategy based on transcriptional activator positive feedback. J Adv Res 2023:S2090-1232(23)00400-9. [PMID: 38123018 DOI: 10.1016/j.jare.2023.12.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 11/26/2023] [Accepted: 12/16/2023] [Indexed: 12/23/2023] Open
Abstract
INTRODUCTION Transcription of biological nitrogen fixation (nif) genes is activated by the NifA protein which recognizes specific activating sequences upstream of σ54-dependent nif promoters. The large quantities of nitrogenase which can make up 20% of the total proteins in the cell indicates high transcription activating efficiency of NifA and high transcription level of nifHDK nitrogenase genes. OBJECTIVES Development of an efficient gene transcription activating strategy in bacteria based on positive transcription regulatory proteins and their regulating DNA sequences. METHODS We designed a highly efficient gene transcription activating strategy in which the nifA gene was placed directly downstream of its regulating sequences. The NifA protein binds its regulating sequences and stimulates transcription of itself and downstream genes. Overexpressed NifA causes transcription activation by positive reinforcement. RESULTS When this gene transcription activating strategy was used to overexpress NifA in Pseudomonas stutzeri DSM4166 containing the nif gene cluster, the nitrogenase activity was increased by 368 folds which was 16 times higher than that obtained by nifA driven by the strongest endogenous constitutive promoter. When this strategy was used to activate transcription of exogenous biosynthetic genes for the plant auxin indole-3-acetic acid and the antitumor alkaloid pigment prodigiosin in DSM4166, both of them resulted in better performance than the strongest endogenous constitutive promoter and the highest reported productions in heterologous hosts to date. Finally, we demonstrated the universality of this strategy using the positive transcriptional regulator of the psp operon, PspF, in E. coli and the pathway-specific positive transcription regulator of the polyene antibiotic salinomycin biosynthesis, SlnR, in Streptomyces albus. CONCLUSION Many positive transcription regulatory proteins and their regulating DNA sequences have been identified in bacteria. The gene transcription activating strategy developed in this study will have broad applications in molecular biology and biotechnology.
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Affiliation(s)
- Guangle Yu
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Binhai Rd 72, 266237, Qingdao, Shandong, China
| | - Qiuyue Duan
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Binhai Rd 72, 266237, Qingdao, Shandong, China
| | - Tianqi Cui
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Binhai Rd 72, 266237, Qingdao, Shandong, China
| | - Chanjuan Jiang
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Binhai Rd 72, 266237, Qingdao, Shandong, China
| | - Xiaochen Li
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Binhai Rd 72, 266237, Qingdao, Shandong, China
| | - Yutong Li
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Binhai Rd 72, 266237, Qingdao, Shandong, China
| | - Jun Fu
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Binhai Rd 72, 266237, Qingdao, Shandong, China
| | - Youming Zhang
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Binhai Rd 72, 266237, Qingdao, Shandong, China
| | - Hailong Wang
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Binhai Rd 72, 266237, Qingdao, Shandong, China.
| | - Ji Luan
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Binhai Rd 72, 266237, Qingdao, Shandong, China.
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Du Q, Cui T, Niu G, Qui J, Yang B. Improving Bond Strength of Translucent Zirconia Through Surface Treatment With SiO2-ZrO2 Coatings. Oper Dent 2023; 48:666-676. [PMID: 37961015 DOI: 10.2341/22-121-l] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/13/2023] [Indexed: 11/15/2023]
Abstract
BACKGROUND Translucent monolithic zirconia ceramics have been applied in dental clinics due to their esthetic translucent formulations and mechanical properties. Considering inherent ceramic brittleness, adhesive bonding with resin composite increases the fracture resistance of ceramic restorations. However, zirconia is a chemically stable material that is difficult to adhesively bond with resin. OBJECTIVES To investigate the influences of SiO2-ZrO2 coatings on adhesive bonding of zirconia and the surface characterization of those coatings. METHODS AND MATERIALS Translucent zirconia discs were classified into groups based on surface treatments: CT (control), SB (sandblasting), C21(SiO2:ZrO2=2:1), C11(SiO2:ZrO2=1:1), and C12 (SiO2:ZrO2=1:2) (n=10). Surface characterization of coatings on zirconia were analyzed by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), surface roughness assessment (Ra), X-ray diffraction (XRD), water contact angle (WCA), translucency parameter (TP), and shear bond strength (SBS). Two-way ANOVA for shear bond strength results and ANOVA for Ra and WCA were performed. RESULTS SEM images revealed SiO2 islands on zirconia disks coated with SiO2-ZrO2. Surface roughness of C12, C11, and C21 groups was significantly larger than those of groups SB and CT (p<0.05). XRD results showed that phase transformation of zirconia disks was detected only in the SB group. In addition, SiO2-ZrO2 coatings reduced WCA. The translucency decreased only in group C21. Group C11 showed the highest shear bond strength under both aging conditions. CONCLUSION SiO2-ZrO2 coating is a promising method to enhance the adhesive resin bonding of translucent zirconia without causing phase transformation of translucent zirconia.
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Affiliation(s)
- Q Du
- †Qiao Du, DDS, Department of Stomatology, Beijing Integrated Traditional Chinese and Western Medicine Hospital, Beijing, China
| | - T Cui
- †Tiehan Cui, DDS, Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - G Niu
- *Guangliang Niu, DDS, Department of Stomatology,Beijing Integrated Traditional Chinese and Western Medicine Hospital, Beijing, China
| | - J Qui
- *Jiaxuan Qui, DDS, Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - B Yang
- *Bin Yang, DDS, Restorative Department, College of Dentistry, University of Illinois at Chicago, IL, USA
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11
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Kumar A, Rajasekera P, Becker V, Biehn S, Pérez-Soto B, Beyer S, McElroy J, Becker A, Johnson B, Cui T, Sebastian E, Grosu A, Lindert S, Bell EH, Manring H, Haque J, Chakravarti A. Hypoxia-Inducible Transgelin-2 Confers Treatment Resistance through Activation of PI3K/Akt/GSK3β Pathway in Glioblastoma. Int J Radiat Oncol Biol Phys 2023; 117:e121. [PMID: 37784671 DOI: 10.1016/j.ijrobp.2023.06.910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Glioblastoma (GBM) patients with wild-type IDH experience worse survival response to the standard treatment of surgery followed by radiation therapy (RT) and temozolomide (TMZ) chemotherapy compared to their mutant IDH counterparts. This treatment has remained relatively ineffective partly due to the highly invasive phenotype of GBM leading to therapeutic resistance and tumor recurrence. Hypoxia is one of the key characteristic features of GBM which results in cancer metastasis and confers treatment resistance. Therefore, it is paramount to identify targets to help overcome hypoxia-induced treatment resistance in glioblastoma. Our lab has identified transgelin-2 (TAGLN2) to be significantly upregulated in IDH-wt GBM through multiple molecular profiling studies. This study aims to understand the mechanisms by which TAGLN2 confers treatment resistance for developing additional treatments for GBM. Additionally, active drug development efforts are also underway to target TAGLN2 for circumventing these therapeutic resistance mechanisms for effective GBM therapy. MATERIALS/METHODS RNAi-mediated TAGLN2 knockdown (KD) approach was employed to assess the functions of TAGLN2 in GBM patient-derived xenograft (PDX) cell lines. Series of in vitro functional assays were performed to assess the role of TAGLN2 in these cell lines. Cell proliferation, invasion ± RT and/or TMZ were assessed by MTS and Trans-well invasion assays. Subsequently, WB analysis of oncogenic signaling pathways was performed following Transgelin-2 KD. Co-IP assays and Biacore/SPR analyses were performed to study the binding affinity and kinetics for the interaction of PTEN with TAGLN2. Further, cells were intracranially implanted in nude mice to assess the role of TAGLN2 on tumor growth in vivo. RESULTS Conditional KD of TAGLN2 reduces cell proliferation, survival and invasive potential of GBM PDX cell lines. TAGLN2 KD also improved the sensitivity of these cells to both TMZ and radiation in vitro, as assessed by proliferation, survival, clonal expansion, and invasion. Histopathological studies of human GBM tumors and mouse xenograft tumors showed elevated expression of TAGLN2 in the peri-necrotic region of the tumors indicating that TAGLN2 protein level was upregulated by hypoxia. We also show that TAGLN2 is induced in hypoxic microenvironments with GBM PDX cell lines and its overexpression may enhance cellular resistance towards conventional therapy. Subsequently, we also show that hypoxia-induced TAGLN2 activates the PI3K/Akt oncogenic pathway through binding and inhibition of PTEN. Finally, in vivo data using an orthotopic xenograft mouse model shows reduction of tumor growth with knockdown of TAGLN2. CONCLUSION Our in vitro and in vivo xenograft studies suggest that TAGLN2 confers treatment resistance to GBM contributing to tumor recurrence. Altogether, TAGLN2 may serve as a potential therapeutically vulnerable target in GBM specifically through its role in cell survival and invasion.
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Affiliation(s)
- A Kumar
- Department of Radiation Oncology, Arthur G. James Hospital Ohio State Comprehensive Cancer Center, Columbus, OH
| | - P Rajasekera
- Department of Radiation Oncology, Arthur G. James Hospital/The Ohio State University Wexner Medical Center/Comprehensive Cancer Center, Columbus, OH
| | - V Becker
- 1Department of Radiation Oncology, Arthur G. James Hospital/Ohio State Comprehensive Cancer Center, Columbus, OH
| | - S Biehn
- Department of Chemistry & Biochemistry, The Ohio State University, Columbus, OH
| | - B Pérez-Soto
- Department of Chemistry & Biochemistry, The Ohio State University, Columbus, OH
| | - S Beyer
- Department of Radiation Oncology, The Ohio State University Wexner Medical Center, Columbus, OH
| | - J McElroy
- The Ohio State University, Center for Biostatistics, Department of Biomedical Informatics, Columbus, OH
| | - A Becker
- The Ohio State University Comprehensive Cancer Center, Columbus, OH
| | - B Johnson
- The Ohio State University, Columbus, OH
| | - T Cui
- The Department of Radiation Oncology, City of Hope National Medical Center, Duarte, CA
| | - E Sebastian
- Department of Radiation Oncology, Arthur G. James Hospital/The Ohio State University Wexner Medical Center/Comprehensive Cancer Center, Columbus, OH
| | - A Grosu
- German Cancer Consortium (DKTK), Partner Site Freiburg, Heidelberg, Germany
| | - S Lindert
- Department of Chemistry & Biochemistry, The Ohio State University, Columbus, OH
| | - E H Bell
- Administrative Director, Neuroscience Research Institute, Columbus, OH
| | - H Manring
- The Ohio State University Comprehensive Cancer Center, Columbus, OH
| | - J Haque
- The Ohio State University Comprehensive Cancer Center, Columbus, OH
| | - A Chakravarti
- The Ohio State University Comprehensive Cancer Center, Columbus, OH
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12
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Cui T, Xiao X, Pan Z, Tang K, Zhong Y, Chen Y, Guo J, Duan S, Zhong G, Li T, Li X, Wu X, Lin C, Yang X, Gao Y, Zhang D. Harnessing the Therapeutic Potential of Ginsenoside Rd for Activating SIRT6 in Treating a Mouse Model of Nonalcoholic Fatty Liver Disease. ACS Omega 2023; 8:29735-29745. [PMID: 37599957 PMCID: PMC10433470 DOI: 10.1021/acsomega.3c04122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 07/24/2023] [Indexed: 08/22/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a prevalent global condition and a common precursor to liver cancer, yet there is currently no specific medication available for its treatment. Ginseng, renowned for its medicinal and dietary properties, has been utilized in NAFLD management, although the precise underlying mechanism remains elusive. To investigate the effectiveness of ginsenoside Rd, we employed mouse and cell models to induce NAFLD using high-fat diets, oleic acid, and palmitic acid. We explored and confirmed the specific mechanism of ginsenoside Rd-induced hepatic steatosis through experiments involving mice with a liver-specific knockout of SIRT6, a crucial protein involved in metabolic regulation. Our findings revealed that administration of ginsenoside Rd significantly reduced the inflammatory response, reactive oxygen species (ROS) levels, lipid peroxide levels, and mitochondrial stress induced by oleic acid and palmitic acid in primary hepatocytes, thereby mitigating excessive lipid accumulation. Moreover, ginsenoside Rd administration effectively enhanced the mRNA content of key proteins involved in fatty acid oxidation, with a particular emphasis on SIRT6 and its target proteins. We further validated that ginsenoside Rd directly binds to SIRT6, augmenting its deacetylase activity. Notably, we made a significant observation that the protective effect of ginsenoside Rd against hepatic disorders induced by a fatty diet was almost entirely reversed in mice with a liver-specific SIRT6 knockout. Our findings highlight the potential therapeutic impact of Ginsenoside Rd in NAFLD treatment by activating SIRT6. These results warrant further investigation into the development of Ginsenoside Rd as a promising agent for managing this prevalent liver disease.
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Affiliation(s)
- Tianqi Cui
- The
Fourth Clinical Medical College of Guangzhou University of Chinese
Medicine, Shenzhen 518033, China
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou 510006, China
| | - Xiaoxia Xiao
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou 510006, China
| | - Zhisen Pan
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou 510006, China
| | - Kaijia Tang
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou 510006, China
| | - Yadi Zhong
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou 510006, China
| | - Yingjian Chen
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou 510006, China
| | - Jingyi Guo
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou 510006, China
| | - Siwei Duan
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou 510006, China
| | - Guangcheng Zhong
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou 510006, China
| | - Tianyao Li
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou 510006, China
| | - Xiang Li
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou 510006, China
| | - Xiumei Wu
- Emergency
Department of the First Affiliated Hospital of Guangzhou University
of Chinese Medicine, Guangzhou 510006, China
| | - Chuanquan Lin
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou 510006, China
| | - Xiaoying Yang
- Jiangsu
Key Laboratory of Immunity and Metabolism, Department of Pathogen
Biology and Immunology, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Yong Gao
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou 510006, China
| | - Dong Zhang
- The
Fourth Clinical Medical College of Guangzhou University of Chinese
Medicine, Shenzhen 518033, China
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Guo J, Huang S, Yi Q, Liu N, Cui T, Duan S, Chen J, Li J, Li J, Wang L, Gao Y, Nie G. Hepatic Clstn3 Ameliorates Lipid Metabolism Disorders in High Fat Diet-Induced NAFLD through Activation of FXR. ACS Omega 2023; 8:26158-26169. [PMID: 37521618 PMCID: PMC10373204 DOI: 10.1021/acsomega.3c02347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 06/22/2023] [Indexed: 08/01/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) has become serious liver disease all over the world. At present, NAFLD caused by high calorie and fat diet is increasing. Calsyntenin-3 (Clstn3) is a transmembrane protein that has recently been found to participate in lipid energy metabolism. But whether Clstn3 affects NAFLD lipid metabolism has not been analyzed. We stimulate the mice primary hepatocytes (MPHs) with oleic acid and palmitic acid (OA&PA) to establish a cell model. Then, potential targets, including Clstn3 gene, were validated for improving lipid metabolism disorder in NAFLD model mice (HFD and db/db) by silencing and overexpressing hepatic Clstn3. Moreover, the effects of Clstn3 on lipid homeostasis were determined by functional determination, triglyceride (TG) levels, total cholesterol (TC) levels, ELISA, and qRT-PCR detection. Our results displayed that Clstn3 was decreased in the NAFLD mice model. Also, overexpression of Clstn3 improved lipid metabolism disorders, gluconeogenesis, and energy homeostasis and reduced liver injury, inflammation, and oxidative stress injury. However, opposite results were obtained in Clstn3-silencing mice, suggesting that the Clstn3 gene is closely related to lipid metabolism disorder in NAFLD. RNAseq expression demonstrated that Farnesoid X Receptor (FXR) expression was increased after overexpression of Clstn3. Clstn3 supplementation in FXRKO mice can improve the dysfunction caused by insufficient FXR, suggesting that Clstn3 can improve the NAFLD lipid metabolism disorder to some extent through FXR, which may provide a new method for the treatment of NAFLD.
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Affiliation(s)
- Jingyi Guo
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou, Guangdong 510080, China
- State
Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University
of Chinese Medicine, Guangzhou, Guangdong 510120, China
| | - Shangyi Huang
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou, Guangdong 510080, China
| | - Qincheng Yi
- State
Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University
of Chinese Medicine, Guangzhou, Guangdong 510120, China
| | - Naihua Liu
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou, Guangdong 510080, China
| | - Tianqi Cui
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou, Guangdong 510080, China
| | - Siwei Duan
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou, Guangdong 510080, China
| | - Jiabing Chen
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou, Guangdong 510080, China
| | - Jiayu Li
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou, Guangdong 510080, China
| | - Jun Li
- State
Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University
of Chinese Medicine, Guangzhou, Guangdong 510120, China
| | - Lei Wang
- State
Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University
of Chinese Medicine, Guangzhou, Guangdong 510120, China
- Department
of Cardiovascular Medicine, The Second Affiliated
Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510120, China
| | - Yong Gao
- Science
and Technology Innovation Center, Guangzhou
University of Chinese Medicine, Guangzhou, Guangdong 510080, China
| | - Guangning Nie
- State
Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University
of Chinese Medicine, Guangzhou, Guangdong 510120, China
- Department
of Gynecology, The Second Affiliated Hospital
of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510120, China
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14
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Cao M, Cui T, Yue Y, Li C, Guo X, Jia X, Wang B. Preparation and Characterization for the Thermal Stability and Mechanical Property of PLA and PLA/CF Samples Built by FFF Approach. Materials (Basel) 2023; 16:5023. [PMID: 37512297 PMCID: PMC10383206 DOI: 10.3390/ma16145023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 07/12/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023]
Abstract
Currently, the mechanical performances of polylactic acid (PLA) samples prepared using the fused filament fabrication (FFF) technique are relatively poor. Hence, the carbon fiber (CF) is used to improve the thermal stability and mechanical property of FFF-ed PLA samples in this paper. The crystalline structure, thermal stability, melt flow rate, tensile strength and fractured surface morphology of PLA and PLA/CF samples were investigated with an X-ray diffraction device, differential scanning calorimeter, thermogravimetric analyzer, melt flow rate equipment, universal tensile test machine and scanning electron microscope, respectively. Meanwhile, the reinforcement mechanism of CF on the mechanical property of PLA samples was also analyzed. XRD results revealed that the diffraction peaks intensities of PLA/CF sample were obviously lower than those of PLA sample. TGA and DSC curves illustrated that the initial thermal decomposition temperature, thermal stability and crystallinity of the PLA/CF sample improved significantly. The tensile strength of the PLA/CF sample was 91.58 MPa, which was 42.49% higher than that of the PLA sample. Moreover, SEM images showed that the fractured behavior of the PLA sample varied from brittle fracture to ductile fracture after the introduction of CF. The results concluded the CF is a feasible fiber for enhancing the performances of the PLA sample.
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Affiliation(s)
- Mengyu Cao
- College of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, China
| | - Tianqi Cui
- College of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, China
| | - Yuhang Yue
- College of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, China
| | - Chaoyu Li
- College of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, China
| | - Xue Guo
- College of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, China
| | - Xin Jia
- Procurement & Equipment Department, China National Petroleum Corporation, Beijing 100007, China
| | - Baojin Wang
- College of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, China
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15
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Hao WT, Ji SF, Zheng CH, Cui T, Wang Y. [Optical quality with ocular aberrations in young myopic eyes with machine learning]. Zhonghua Yan Ke Za Zhi 2023; 59:436-443. [PMID: 37264573 DOI: 10.3760/cma.j.cn112142-20220707-00327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Objective: The objective of this retrospective study was to employ machine learning techniques to examine age-related traits of ocular aberrations in a substantial population with myopia and myopic astigmatism. Methods: This was a cross-sectional study. Data from a population of myopic and myopic astigmatism patients who underwent wavefront aberration examinations at the Refractive Surgery Center of Tianjin Eye Hospital in Tianjin, China, were collected continuously from January 2013 to July 2017. The data from the right eye of each individual were collected for analysis. Each eye had 32 outcome data points, including age, best-corrected visual acuity (BCVA), lower-order aberrations (spherical diopter, cylindrical diopter, and astigmatic axis), and higher-order aberrations [Zernike coefficients and root mean square (RMS) of the third to sixth order aberrations] were analyzed. Higher-order aberrations were measured by Hartmann-Shack aberrometer. Results: The study included 1 507 subjects (1 507 eyes), comprising of 694 males and 813 females, with a mean age of (23.28±5.45) years. The findings demonstrated a decrease followed by an increase in most of the higher-order aberrations with age between 15-40 years. The minimum value points were observed in the age group of 25-30 years for RMS of total higher-order aberrations, 3rd RMS (with a confidence of 47.74% for range 1), 4th RMS (with a confidence of 86.01% for range 1), and trefoil aberrations (with a confidence of 56.38% for C33 and 73.25% for C3-3). The minimum value points were also observed in the age group of 30-35 years for primary spherical aberration (with a confidence of 56.10% for C40) and vertical coma-like aberration (with a confidence of 56.91% for C3-1). In contrast, astigmatism with the rule tended to decrease with age, while astigmatism against the rule and oblique astigmatism tended to increase (with a confidence of 88.66%, 84.71%, 81.07%, 79.67%, and 66.35% for astigmatism with the rule in different age groups). Conclusions: As age increases, the population with with-the-rule astigmatism decreases while the population with against-the-rule astigmatism increases. The high-order aberrations are the lowest in the 25-35 age group.
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Affiliation(s)
- W T Hao
- Tianjin Eye Hospital, Nankai University Affiliated Eye Hospital, Clinical College of Ophthalmology of Tianjin Medical University, Tianjin Eye Institute, Tianjin Key Laboratory of Ophthalmology and Visual Science, Tianjin 300020, China
| | - S F Ji
- School of Computer Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
| | - C H Zheng
- School of Computer Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
| | - T Cui
- Tianjin Eye Hospital, Nankai University Affiliated Eye Hospital, Clinical College of Ophthalmology of Tianjin Medical University, Tianjin Eye Institute, Tianjin Key Laboratory of Ophthalmology and Visual Science, Tianjin 300020, China
| | - Y Wang
- Tianjin Eye Hospital, Nankai University Affiliated Eye Hospital, Clinical College of Ophthalmology of Tianjin Medical University, Tianjin Eye Institute, Tianjin Key Laboratory of Ophthalmology and Visual Science, Tianjin 300020, China
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16
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Liu N, Yang X, Guo J, Zhang L, Huang S, Chen J, Huang J, Chen Y, Cui T, Zheng Y, Li T, Tang K, Zhong Y, Duan S, Yu L, Tang Y, Zheng D, Pan H, Gao Y. Hepatic ZBTB22 promotes hyperglycemia and insulin resistance via PEPCK1-driven gluconeogenesis. EMBO Rep 2023; 24:e56390. [PMID: 37154299 PMCID: PMC10240208 DOI: 10.15252/embr.202256390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 03/31/2023] [Accepted: 04/14/2023] [Indexed: 05/10/2023] Open
Abstract
Excessive gluconeogenesis can lead to hyperglycemia and diabetes through as yet incompletely understood mechanisms. Herein, we show that hepatic ZBTB22 expression is increased in both diabetic clinical samples and mice, being affected by nutritional status and hormones. Hepatic ZBTB22 overexpression increases the expression of gluconeogenic and lipogenic genes, heightening glucose output and lipids accumulation in mouse primary hepatocytes (MPHs), while ZBTB22 knockdown elicits opposite effects. Hepatic ZBTB22 overexpression induces glucose intolerance and insulin resistance, accompanied by moderate hepatosteatosis, while ZBTB22-deficient mice display improved energy expenditure, glucose tolerance, and insulin sensitivity, and reduced hepatic steatosis. Moreover, hepatic ZBTB22 knockout beneficially regulates gluconeogenic and lipogenic genes, thereby alleviating glucose intolerance, insulin resistance, and liver steatosis in db/db mice. ZBTB22 directly binds to the promoter region of PCK1 to enhance its expression and increase gluconeogenesis. PCK1 silencing markedly abolishes the effects of ZBTB22 overexpression on glucose and lipid metabolism in both MPHs and mice, along with the corresponding changes in gene expression. In conclusion, targeting hepatic ZBTB22/PEPCK1 provides a potential therapeutic approach for diabetes.
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Affiliation(s)
- Naihua Liu
- Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina
- Key Specialty of Clinical PharmacyThe First Affiliated Hospital of Guangdong Pharmaceutical UniversityGuangzhouChina
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine in Prevention and Treatment of TumorNanjing University of Chinese MedicineNanjingJiangsu ProvinceChina
| | - Xiaoying Yang
- Jiangsu Key Laboratory of Immunity and Metabolism, Department of Pathogen Biology and ImmunologyXuzhou Medical UniversityXuzhouChina
| | - Jingyi Guo
- Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina
| | - Lei Zhang
- Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina
| | - Shangyi Huang
- Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina
| | - Jiabing Chen
- Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina
| | - Jiawen Huang
- Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina
| | - Yingjian Chen
- Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina
| | - Tianqi Cui
- Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina
| | - Yi Zheng
- Faculty of Chinese MedicineMacau University of Science and TechnologyMacauChina
| | - Tianyao Li
- Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina
| | - Kaijia Tang
- Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina
| | - Yadi Zhong
- Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina
| | - Siwei Duan
- Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina
| | - Lili Yu
- Faculty of Chinese MedicineMacau University of Science and TechnologyMacauChina
| | - Ying Tang
- Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine in Prevention and Treatment of TumorNanjing University of Chinese MedicineNanjingJiangsu ProvinceChina
| | - Dayong Zheng
- Department of HepatologyTCM‐Integrated Hospital of Southern Medical UniversityGuangzhouChina
- Department of HepatopancreatobiliaryCancer Center, Southern Medical UniversityGuangzhouChina
- Department of Oncology, The First Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhou University of Chinese MedicineGuangzhouChina
| | - Huafeng Pan
- Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine in Prevention and Treatment of TumorNanjing University of Chinese MedicineNanjingJiangsu ProvinceChina
| | - Yong Gao
- Science and Technology Innovation CenterGuangzhou University of Chinese MedicineGuangzhouChina
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine in Prevention and Treatment of TumorNanjing University of Chinese MedicineNanjingJiangsu ProvinceChina
- Division of Hypothalamic Research, Department of Internal MedicineThe University of Texas Southwestern Medical Center at DallasTXDallasUSA
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17
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Chang L, Chong WT, Yau YH, Cui T, Wang XR, Pei F, Liu YQ, Pan S. An investigation of the PM 2.5 concentrations and cumulative inhaled dose during subway commutes in Changchun, China. Int J Environ Sci Technol (Tehran) 2023:1-14. [PMID: 37360559 PMCID: PMC10208554 DOI: 10.1007/s13762-023-04994-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 04/13/2023] [Accepted: 05/08/2023] [Indexed: 06/28/2023]
Abstract
Air quality in subway systems is crucial as it affects the health of passengers and staff. Although most tests of PM2.5 concentrations in subway stations have taken place in public areas, PM2.5 is less understood in workplaces. Few studies have estimated the cumulative inhaled dose of passengers based on real-time changes in PM2.5 concentrations as they commute. To clarify the above issues, this study first measured PM2.5 concentrations in four subway stations in Changchun, China, where measuring points included five workrooms. Then, passengers' exposure to PM2.5 during the whole subway commute (20-30 min) was measured and segmented inhalation was calculated. The results showed that PM2.5 concentration in public places ranged from 50 to 180 μg/m3, and was strongly correlated with outdoors. While the PM2.5 average concentration in workplaces was 60 µg/m3, and it was less affected by outdoor PM2.5 concentration. Passenger's cumulative inhalations in single commuting were about 42 μg and 100 μg when the outdoor PM2.5 concentrations were 20-30 μg/m3 and 120-180 μg/m3, respectively. The PM2.5 inhalation in carriages accounted for the largest proportion of the entire commuting, about 25-40%, because of the longer exposure time and higher PM2.5 concentrations. It is recommended to improve the tightness of the carriage and filter the fresh air to improve the air quality inside. The average daily PM2.5 inhaled by staff was 513.53 μg, which was 5-12 times higher than that of passengers. Installing air purification devices in workplaces and reminding staff to take personal protection can positively protect their health.
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Affiliation(s)
- L. Chang
- Department of Mechanical Engineering, Faculty of Engineering, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
| | - W. T. Chong
- Department of Mechanical Engineering, Faculty of Engineering, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
- Centre for Energy Sciences, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
| | - Y. H. Yau
- Department of Mechanical Engineering, Faculty of Engineering, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
- UM-JAF Laboratory, Department of Mechanical Engineering, Faculty of Engineering, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
| | - T. Cui
- Department of Building Environment and Energy Engineering, School of Civil Engineering, Chang’an University, Xi’an, 710061 China
| | - X. R. Wang
- Mechanical Engineering College, Tianjin University of Commerce, Tianjin, 300134 China
| | - F. Pei
- Department of Mechanical Engineering, Faculty of Engineering, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
| | - Y. Q. Liu
- Department of Mechanical Engineering, Faculty of Engineering, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
| | - S. Pan
- Beijing Key Laboratory of Green Built Environment and Energy Efficient Technology, Beijing University of Technology, Beijing, 100124 China
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18
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Chen Y, Cui T, Xiao S, Li T, Zhong Y, Tang K, Guo J, Huang S, Chen J, Li J, Wang Q, Huang J, Pan H, Gao Y. Hepatic ZBTB22-mediated detoxification ameliorates acetaminophen-induced liver injury by inhibiting pregnane X receptor signaling. iScience 2023; 26:106318. [PMID: 36950116 PMCID: PMC10025966 DOI: 10.1016/j.isci.2023.106318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 01/30/2023] [Accepted: 02/27/2023] [Indexed: 03/06/2023] Open
Abstract
Overdose acetaminophen (APAP) can cause acute liver injury (ALI), but the underlying mechanism remains undetermined. This study explored the role of hepatic Zinc Finger And BTB Domain Containing 22 (ZBTB22) in defense against APAP-mediated hepatotoxicity. The results showed that hepatic ZBTB22 expression was significantly reduced in patients with ALI and mice. In mouse primary hepatocytes (MPHs), ZBTB22 deletion aggravated APAP overdose-induced ALI, whereas ZBTB22 overexpression attenuated that pathological progression. The results were further verified in ZBTB22 over-express or knockout mice models. In parallel, hepatocyte-specific ZBTB22 knockout also enhanced ALI. Furthermore, ZBTB22 decreased pregnane X receptor (PXR) expression, and the PXR activator pregnane-16α-carbonitrile suppressed the protective effect of ZBTB22 in APAP-induced ZBTB22-overexpressing mice. Collectively, our findings highlight the protective effect of ZBTB22 against APAP-induced ALI and unravel PXR signaling as the potential mechanism. Strategies to increase hepatic ZBTB22 expression represent a promising therapeutic approach for APAP overdose-induced ALI.
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Affiliation(s)
- Yingjian Chen
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou 510080, China
| | - Tianqi Cui
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou 510080, China
| | - Shaorong Xiao
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510080, China
| | - Tianyao Li
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou 510080, China
| | - Yadi Zhong
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou 510080, China
| | - Kaijia Tang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou 510080, China
| | - Jingyi Guo
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou 510080, China
| | - Shangyi Huang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou 510080, China
| | - Jiabing Chen
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou 510080, China
| | - Jiayu Li
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou 510080, China
| | - Qi Wang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou 510080, China
- Corresponding author
| | - Jiawen Huang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou 510080, China
- Corresponding author
| | - Huafeng Pan
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou 510080, China
- Corresponding author
| | - Yong Gao
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou 510080, China
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine in Prevention and Treatment of Tumor, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Corresponding author
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19
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Pan Z, Guo J, Tang K, Chen Y, Gong X, Chen Y, Zhong Y, Xiao X, Duan S, Cui T, Wu X, Zhong Y, Yang X, Shen C, Gao Y. Ginsenoside Rc Modulates SIRT6-NRF2 Interaction to Alleviate Alcoholic Liver Disease. J Agric Food Chem 2022; 70:14220-14234. [PMID: 36300841 DOI: 10.1021/acs.jafc.2c06146] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Alcoholic liver disease (ALD) is a serious worldwide health problem. Ginsenoside Rc is a major active ingredient isolated from Panax ginseng, whose pharmacological effects counteract oxidative stress, inflammation, and lipid accumulation. However, it is still unclear whether ginsenoside Rc might exert beneficial effects on alcohol-induced liver injury. To this aim, mice primary hepatocytes (MPHs) were challenged with alcohol to test ginsenoside Rc's effects on their intracellular alcohol metabolism. C57BL/6J mice or SIRT6alb-/- mice were chronically fed a diet with added alcohol or given a single gavage of alcohol with or without ginsenoside Rc. Analyses of alcohol metabolism, oxidative stress, inflammation, lipid metabolism, and RNaseq expression were conducted to explore potential targets exploited by ginsenoside Rc to protect against ALD. Our results showed that ginsenoside Rc attenuated alcohol-induced liver injury by regulating oxidative stress, inflammation, and lipid accumulation both in vivo and in vitro. Ginsenoside Rc did increase the deacetylase activity of SIRT6, thereby lowering acetylated NRF2 levels, which elevated NRF2's stability, and subsequently exerting an antioxidant effect. In keeping with this, the hepatic knockout of SIRT6 almost abolished the hepatoprotective effects of ginsenoside Rc against ALD. Therefore, our results suggest that ginsenoside Rc attenuated hepatocytes' damage and oxidative stress in ALD by up-regulating the SIRT6/NRF2 pathway. Hence, ginsenoside Rc may be a promising drug to treat or relieve ALD.
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Affiliation(s)
- Zhisen Pan
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510000, China
- Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510000, China
| | - Jingyi Guo
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510000, China
| | - Kaijia Tang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510000, China
| | - Yanling Chen
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510000, China
| | - Xun Gong
- Guangdong Country Garden School, Guangzhou, Guangdong 510000, China
| | - Yingjian Chen
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510000, China
| | - Yadi Zhong
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510000, China
| | - Xiaoxia Xiao
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510000, China
| | - Siwei Duan
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510000, China
| | - Tianqi Cui
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510000, China
| | - Xiumei Wu
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510000, China
| | - Yanhua Zhong
- Department of Acupuncture-Rehabilitation, Guangzhou-Liwan Hospital of Chinese Medicine, Guangzhou, Guangdong 510000, China
| | - Xiaoying Yang
- Jiangsu Key Laboratory of Immunity and Metabolism, Department of Pathogen Biology and Immunology, Xuzhou Medical University, Xuzhou, Jiangsu 221000, China
| | - Chuangpeng Shen
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510000, China
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510000, China
| | - Yong Gao
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510000, China
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20
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Cui T, Sun J, Li G, Chen L, Dai H. Feasibility of Omitting Clinical Target Volume under PET-CT Guidance in Unresectable Stage III Non-Small-Cell Lung Cancer, a Phase II Clinical Trial. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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21
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Tang K, Kong D, Peng Y, Guo J, Zhong Y, Yu H, Mai Z, Chen Y, Chen Y, Cui T, Duan S, Li T, Liu N, Zhang D, Ding Y, Huang J. Ginsenoside Rc attenuates DSS-induced ulcerative colitis, intestinal inflammatory, and barrier function by activating the farnesoid X receptor. Front Pharmacol 2022; 13:1000444. [PMID: 36386150 PMCID: PMC9649634 DOI: 10.3389/fphar.2022.1000444] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 09/26/2022] [Indexed: 08/03/2023] Open
Abstract
Objectives: Farnesoid X receptor (FXR) activation is involved in ameliorating inflammatory bowel disease (IBD), such as ulcerative colitis (UC), and inflammatory regulation may be involved in its mechanism. Ginsenoside Rc (Rc) is a major component of Panax ginseng, and it plays an excellent role in the anti-inflammatory processes. Our aim is to explore the alleviative effect of Rc on dextran sulfate sodium (DSS)-induced inflammation and deficiencies in barrier function based on FXR signaling. Materials and Methods: In vitro, we treated human intestinal epithelial cell lines (LS174T) with LPS to explore the anti-inflammatory effect of Rc supplementation. In vivo, a DSS-induced IBD mice model was established, and the changes in inflammatory and barrier function in colons after Rc treatment were measured using the disease activity index (DAI), hematoxylin and eosin (H&E) staining, immunofluorescence, ELISA, and qPCR. Molecular docking analysis, luciferase reporter gene assay, and qPCR were then used to analyze the binding targets of Rc. DSS-induced FXR-knockout (FXR-/-) mice were used for further validation. Results: Rc significantly recovered the abnormal levels of inflammation indexes (TNF-α, IL-6, IL-1β, and NF-KB) induced by LPS in LS174T. DSS-induced C57BL/6 mice exhibited a significantly decreased body weight and elevated DAI, as well as a decrease in colon weight and length. Increased inflammatory markers (TNF-α, IL-6, IL-1β, ICAM1, NF-KB, F4/80, and CD11b displayed an increased expression) and damaged barrier function (Claudin-1, occludin, and ZO-1 displayed a decreased expression) were observed in DSS-induced C57BL/6 mice. Nevertheless, supplementation with Rc mitigated the increased inflammatory and damaged barrier function associated with DSS. Further evaluation revealed an activation of FXR signaling in Rc-treated LS174T, with FXR, BSEP, and SHP found to be upregulated. Furthermore, molecular docking indicated that there is a clear interaction between Rc and FXR, while Rc activated transcriptional expression of FXR in luciferase reporter gene assay. However, these reversal abilities of Rc were not observed in DSS-induced FXR-/- mice. Conclusion: Our findings suggest that Rc may ameliorate inflammation and barrier function in the intestine, which in turn leads to the attenuation of DSS-induced UC, in which Rc may potentially activate FXR signaling to protect the intestines from DSS-induced injury.
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Affiliation(s)
- Kaijia Tang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Danli Kong
- Department of Epidemiology and Medical Statistics, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Yuan Peng
- Department of Pharmacy, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Jingyi Guo
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yadi Zhong
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Haibing Yu
- Department of Epidemiology and Medical Statistics, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Zhenhua Mai
- Department of Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Yanling Chen
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yingjian Chen
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Tianqi Cui
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Siwei Duan
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Tianyao Li
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Naihua Liu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Dong Zhang
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, China
| | - Yuanlin Ding
- Department of Epidemiology and Medical Statistics, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Jiawen Huang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
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22
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Zhong Y, Chen Y, Pan Z, Tang K, Zhong G, Guo J, Cui T, Li T, Duan S, Yang X, Gao Y, Wang Q, Zhang D. Ginsenoside Rc, as an FXR activator, alleviates acetaminophen-induced hepatotoxicity via relieving inflammation and oxidative stress. Front Pharmacol 2022; 13:1027731. [PMID: 36278209 PMCID: PMC9585238 DOI: 10.3389/fphar.2022.1027731] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 09/21/2022] [Indexed: 11/13/2022] Open
Abstract
Acetaminophen (APAP) intake leads to excessive NAPQI deposition, stimulating inflammatory and oxidative stress and causing fatal liver injury. However, the detailed molecular mechanism involved is unknown, and effective therapeutic approaches remain insufficient. In this study, we discovered that treatment with ginsenoside Rc can prevent the inflammatory response caused by APAP and oxidative stress in mouse primary hepatocytes (MPHs), along with the corresponding changes in related genes. Additionally, Ginsenoside Rc effectively alleviates APAP-induced cellular apoptosis and NAPQI accumulation in MPHs. In vivo, Ginsenoside Rc administration remarkably attenuates APAP-induced hepatotoxicity, repairing liver damage and improving survival. Moreover, Ginsenoside Rc treatment modulates genes involved in APAP metabolism, leading to a decrease in NAPQI and resulting in the alleviation of fatal oxidative stress and inflammatory response after APAP exposure, along with the expression of their related indicators. Furthermore, our RNA-seq and molecular docking analysis implies that FXR expression and FXR transcriptional activity are stimulated by Ginsenoside Rc treatment. Notably, due to the lack of FXR in mice and MPHs, ginsenoside Rc can no longer play its original protective role against hepatotoxicity and cell damage caused by APAP, and it is difficult to improve the corresponding survival rate and prevent hepatic apoptosis, NAPQI generation, fatal oxidative stress, and the inflammatory response induced by APAP and the expression of related genes. In summary, our results indicate that Ginsenoside Rc could act as an effective FXR activator and effectively regulate FXR-induced antioxidant stress and eliminate inflammation while also having an anti-apoptotic function.
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Affiliation(s)
- Yadi Zhong
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, China
- Science and Technology Innovation Center,Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yingjian Chen
- Science and Technology Innovation Center,Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zhisen Pan
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Kaijia Tang
- Science and Technology Innovation Center,Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Guangcheng Zhong
- Science and Technology Innovation Center,Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jingyi Guo
- Science and Technology Innovation Center,Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Tianqi Cui
- Science and Technology Innovation Center,Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Tianyao Li
- Science and Technology Innovation Center,Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Siwei Duan
- Science and Technology Innovation Center,Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiaoying Yang
- Jiangsu Key Laboratory of Immunity and Metabolism, Department of Pathogen Biology and Immunology, Xuzhou Medical University, Xuzhou, China
- *Correspondence: Xiaoying Yang, ; Yong Gao, ; Qi Wang, ; Dong Zhang,
| | - Yong Gao
- Science and Technology Innovation Center,Guangzhou University of Chinese Medicine, Guangzhou, China
- *Correspondence: Xiaoying Yang, ; Yong Gao, ; Qi Wang, ; Dong Zhang,
| | - Qi Wang
- Science and Technology Innovation Center,Guangzhou University of Chinese Medicine, Guangzhou, China
- *Correspondence: Xiaoying Yang, ; Yong Gao, ; Qi Wang, ; Dong Zhang,
| | - Dong Zhang
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, China
- *Correspondence: Xiaoying Yang, ; Yong Gao, ; Qi Wang, ; Dong Zhang,
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23
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Liu N, Cui T, Gao X, Zhu D, Xing J. [Advances in the biomedical application research of halophilic microorganisms]. Sheng Wu Gong Cheng Xue Bao 2022; 38:2153-2168. [PMID: 35786469 DOI: 10.13345/j.cjb.210928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
In recent years, antibiotic resistance has become increasingly serious, and the number of cancer patients keeps increasing. There is an urgent need to develop new drugs with antibacterial and antitumor effects. Halophilic microorganisms are a special group of microorganisms living in extreme environment. They have the characteristics of metabolic diversity, low nutritional requirements and adaptability to harsh conditions, thus can serve as promising candidates for new drug discovery. To date, researchers have isolated a variety of metabolites and enzymes with antibacterial and/or antitumor activities from halophilic microorganisms. This review summarized the functions and potential biomedical applications of halophilic microorganisms and their related products, such as antibacterial, anti-inflammatory, antitumor, antioxidant, biomedical materials and drug carriers. In particular, novel antibacterial and antitumor substances recently discovered in halophilic microorganisms, as well as the biomedical applications of ectoine, a unique metabolite found in halophilic microorganisms, were introduced. Finally, future development and utilization of halophilic microorganisms in biomedical and industrial fields were prospected.
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Affiliation(s)
- Nina Liu
- Research Center of Basic Medical Sciences, Medical College, Qinghai University, Xining 810016, Qinghai, China
| | - Tianqi Cui
- Research Center of Basic Medical Sciences, Medical College, Qinghai University, Xining 810016, Qinghai, China
| | - Xiang Gao
- Research Center of Basic Medical Sciences, Medical College, Qinghai University, Xining 810016, Qinghai, China
| | - Derui Zhu
- Research Center of Basic Medical Sciences, Medical College, Qinghai University, Xining 810016, Qinghai, China
| | - Jiangwa Xing
- Research Center of Basic Medical Sciences, Medical College, Qinghai University, Xining 810016, Qinghai, China
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24
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Cui T, Sun Y, Wu Y, Wang J, Ding Y, Cheng J, Guo M. Mechanical, microstructural, and rheological characterization of gelatin-dialdehyde starch hydrogels constructed by dual dynamic crosslinking. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113374] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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25
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Zhang T, Cui T, Cao Y, Li Y, Li F, Zhu D, Xing J. Whole genome sequencing of the halophilic Halomonas qaidamensis XH36, a novel species strain with high ectoine production. Antonie Van Leeuwenhoek 2022; 115:545-559. [PMID: 35243586 DOI: 10.1007/s10482-022-01709-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Accepted: 01/18/2022] [Indexed: 10/18/2022]
Abstract
Here, we report the whole genome of a novel halophilic Halomonas species strain XH36 with high ectoine production potential. The genome was 3,818,310 bp in size with a GC content of 51.97%, and contained 3533 genes, 61 tRNAs and 18 rRNAs. The phylogenetic analysis using the 16s rRNA genes, the UBCGs and the TYGS database indicated that XH36 belongs to a novel Halomonas species, which we named as Halomonas qaidamensis. Osmoadaptation related genes including Na(+) and K(+) transport and compatible solute accumulation were both present in the XH36 genome, the latter of which mainly contained ectoine, 5-hydroxyectoine and betaine. HPLC validation studies showed that H. qaidamensis XH36 accumulated ectoine to cope with salt stress, and the content of ectoine could be as high as 315 mg/g CDW under 3 mol/l NaCl. Our results show that XH36 is a new promising industrial strain for ectoine production, and the genomic analysis will guide us to better understand its salt-induced osmoadaptation mechanisms, and provide theoretical references for future application research of ectoine.
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Affiliation(s)
- Tiantian Zhang
- Research Centre of Basic Medical Sciences, Medical College, Qinghai University, Xining, 810016, China
| | - Tianqi Cui
- Research Centre of Basic Medical Sciences, Medical College, Qinghai University, Xining, 810016, China
| | - Yaning Cao
- Research Centre of Basic Medical Sciences, Medical College, Qinghai University, Xining, 810016, China
| | - Yongzhen Li
- Research Centre of Basic Medical Sciences, Medical College, Qinghai University, Xining, 810016, China
| | - Fenghui Li
- Research Centre of Basic Medical Sciences, Medical College, Qinghai University, Xining, 810016, China
| | - Derui Zhu
- Research Centre of Basic Medical Sciences, Medical College, Qinghai University, Xining, 810016, China
| | - Jiangwa Xing
- Research Centre of Basic Medical Sciences, Medical College, Qinghai University, Xining, 810016, China.
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26
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Hou D, Cui T. Re: A radiomics study to predict invasive pulmonary adenocarcinoma appearing as pure ground-glass nodules. Clin Radiol 2021; 77:236-237. [PMID: 34969519 DOI: 10.1016/j.crad.2021.08.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 08/20/2021] [Indexed: 11/03/2022]
Affiliation(s)
- D Hou
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - T Cui
- Liao Ning Tumour Hospital, Shenyang, China.
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Wang J, Ding Y, Wang M, Cui T, Peng Z, Cheng J. Moisture Distribution and Structural Properties of Frozen Cooked Noodles with NaCl and Kansui. Foods 2021; 10:foods10123132. [PMID: 34945683 PMCID: PMC8701863 DOI: 10.3390/foods10123132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 12/13/2021] [Accepted: 12/15/2021] [Indexed: 11/16/2022] Open
Abstract
The effects of NaCl (1-3%) and kansui (0.5-1.5%) on the quality of frozen cooked noodles (FCNs) were investigated, which provided a reference for alleviating the quality deterioration of FCNs. Textural testing illustrated that the optimal tensile properties were observed in 2% NaCl (N-2) and the maximum hardness and chewiness were reached at 1% kansui (K-1). Compared to NaCl, the water absorption and cooking loss of recooked FCNs increased significantly with increasing kansui levels (p < 0.05). Rheological results confirmed NaCl and kansui improved the resistance to deformation and recovery ability of thawed dough; K-1 especially had the highest dough strength. SEM showed N-2 induced a more elongated fibrous protein network that contributed to the extensibility, while excessive levels of kansui formed a deformed membrane-like gluten network that increased the solid loss. Moisture analysis revealed that N-2 reduced the free water content, while K-1 had the lowest freezable water content and highest binding capacity for deeply adsorbed water. The N-2 and K-1 induced more ordered protein secondary structures with stronger intermolecular disulfide bonds, which were maximally improved in K-1. This study provides more comprehensive theories for the strengthening effect of NaCl and kansui on FCNs quality.
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Kumar A, Rajasekera P, Biehn S, Beyer S, McElroy J, Becker A, Johnson B, Cui T, Sebastian E, Grosu A, Lindert S, Bell E, Haque S, Chakravarti A. In-Silico Discovery of Novel Small-Molecule Inhibitors Targeting Transgelin-2-Actin Interaction Inhibits Proliferation, Invasion and Improves Chemo-Radiation Response in Human Glioblastoma. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.1587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Kemeth FP, Bertalan T, Evangelou N, Cui T, Malani S, Kevrekidis IG. Initializing LSTM internal states via manifold learning. Chaos 2021; 31:093111. [PMID: 34598443 DOI: 10.1063/5.0055371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 08/14/2021] [Indexed: 06/13/2023]
Abstract
We present an approach, based on learning an intrinsic data manifold, for the initialization of the internal state values of long short-term memory (LSTM) recurrent neural networks, ensuring consistency with the initial observed input data. Exploiting the generalized synchronization concept, we argue that the converged, "mature" internal states constitute a function on this learned manifold. The dimension of this manifold then dictates the length of observed input time series data required for consistent initialization. We illustrate our approach through a partially observed chemical model system, where initializing the internal LSTM states in this fashion yields visibly improved performance. Finally, we show that learning this data manifold enables the transformation of partially observed dynamics into fully observed ones, facilitating alternative identification paths for nonlinear dynamical systems.
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Affiliation(s)
- Felix P Kemeth
- Department of Chemical and Biomolecular Engineering, Whiting School of Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, USA
| | - Tom Bertalan
- Department of Chemical and Biomolecular Engineering, Whiting School of Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, USA
| | - Nikolaos Evangelou
- Department of Chemical and Biomolecular Engineering, Whiting School of Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, USA
| | - Tianqi Cui
- Department of Chemical and Biomolecular Engineering, Whiting School of Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, USA
| | - Saurabh Malani
- Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, USA
| | - Ioannis G Kevrekidis
- Department of Chemical and Biomolecular Engineering, Whiting School of Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, USA
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Jiang C, Zhou H, Sun H, He R, Song C, Cui T, Luan J, Fu J, Zhang Y, Jiao N, Wang H. Establishing an efficient salinomycin biosynthetic pathway in three heterologous Streptomyces hosts by constructing a 106-kb multioperon artificial gene cluster. Biotechnol Bioeng 2021; 118:4668-4677. [PMID: 34436784 DOI: 10.1002/bit.27928] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 08/06/2021] [Accepted: 08/19/2021] [Indexed: 11/09/2022]
Abstract
Salinomycin is a promising anticancer drug for chemotherapy. A highly productive biosynthetic gene cluster will facilitate the creation of analogs with improved therapeutic activity and reduced side effects. In this study, we engineered an artificial 106-kb salinomycin gene cluster and achieved efficient heterologous expression in three hosts: Streptomyces coelicolor CH999, S. lividans K4-114, and S. albus J1074. The six-operon artificial gene cluster consists of 25 genes from the native gene cluster organized into five operons and five fatty acid β-oxidation genes into one operon. All operons are driven by strong constitutive promoters. For K4-114 and J1074 harboring the artificial gene cluster, salinomycin production in shake flask cultures was 14.3 mg L-1 and 19.3 mg L-1 , respectively. The production was 1.3-fold and 1.7-fold higher, respectively, than that of the native producer S. albus DSM41398. K4-114 and J1074 harboring the native gene cluster produced an undetectable amount of salinomycin and 0.5 mg L-1 , respectively. CH999 harboring the artificial gene cluster produced 10.3 mg L-1 of salinomycin, which was 92% of the production by DSM41398. The efficient heterologous expression system based on the 106-kb multioperon artificial gene cluster established in this study will facilitate structural diversification of salinomycin, which is valuable for drug development and structure-activity studies.
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Affiliation(s)
- Chanjuan Jiang
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong, China.,State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, China
| | - Haibo Zhou
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, China
| | - Hongluan Sun
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, China
| | - Ruoting He
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, China
| | - Chaoyi Song
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, China
| | - Tianqi Cui
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, China
| | - Ji Luan
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, China
| | - Jun Fu
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, China
| | - Youming Zhang
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, China
| | - Nianzhi Jiao
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong, China
| | - Hailong Wang
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, China
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Lv X, Cui T, Du H, Sun M, Bai F, Li J, Zhang D. Lactobacillus plantarum CY 1-1: A novel quorum quenching bacteria and anti-biofilm agent against Aeromonas sobria. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2020.110439] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Song C, Luan J, Li R, Jiang C, Hou Y, Cui Q, Cui T, Tan L, Ma Z, Tang YJ, Stewart AF, Fu J, Zhang Y, Wang H. RedEx: a method for seamless DNA insertion and deletion in large multimodular polyketide synthase gene clusters. Nucleic Acids Res 2021; 48:e130. [PMID: 33119745 PMCID: PMC7736807 DOI: 10.1093/nar/gkaa956] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 09/08/2020] [Accepted: 10/08/2020] [Indexed: 11/23/2022] Open
Abstract
Biosynthesis reprograming is an important way to diversify chemical structures. The large repetitive DNA sequences existing in polyketide synthase genes make seamless DNA manipulation of the polyketide biosynthetic gene clusters extremely challenging. In this study, to replace the ethyl group attached to the C-21 of the macrolide insecticide spinosad with a butenyl group by refactoring the 79-kb gene cluster, we developed a RedEx method by combining Redαβ mediated linear-circular homologous recombination, ccdB counterselection and exonuclease mediated in vitro annealing to insert an exogenous extension module in the polyketide synthase gene without any extra sequence. RedEx was also applied for seamless deletion of the rhamnose 3′-O-methyltransferase gene in the spinosad gene cluster to produce rhamnosyl-3′-desmethyl derivatives. The advantages of RedEx in seamless mutagenesis will facilitate rational design of complex DNA sequences for diverse purposes.
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Affiliation(s)
- Chaoyi Song
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, 266237, China
| | - Ji Luan
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, 266237, China
| | - Ruijuan Li
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, 266237, China
| | - Chanjuan Jiang
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, 266237, China
| | - Yu Hou
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, 266237, China
| | - Qingwen Cui
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, 266237, China
| | - Tianqi Cui
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, 266237, China
| | - Long Tan
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, 266237, China
| | - Zaichao Ma
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, 266237, China
| | - Ya-Jie Tang
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, 266237, China
| | - A Francis Stewart
- Genomics, Biotechnology Center, Center for Molecular and Cellular Bioengineering, Technische Universität Dresden, Tatzberg 47-51, 01307 Dresden, Germany
| | - Jun Fu
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, 266237, China
| | - Youming Zhang
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, 266237, China
| | - Hailong Wang
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, 266237, China
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Sebastian E, Cui T, Bell E, McElroy J, Johnson B, Gulati P, Geurts M, Becker A, Fleming J, Haque S, Robe P, Chakravarti A. Characterization of a Novel mir-4516-PTPN14 Therapeutic Resistance Pathway Induced By Radiation Treatment In Glioblastoma. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Cui T, Nie K, Rodrigo M, Chundury A, Ohri N, Hanft S, Danish S, Weiner J. Does Active Coaching Reduce Overall Treatment Duration For Mask-Based, Frameless Gamma Knife Stereotactic Radiosurgery? Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Singh K, Fleming J, Han C, Cui T, Johnson B, McElroy J, Bell E, Robe P, Haque S, Chakravarti A. Targeting TRIBBLES1 (TRIB1) Pseudokinase in GBM: A New Therapeutic Strategy. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Cui T, Bell E, McElroy J, Liu K, Sebastian E, Johnson B, Gulati P, Becker A, Gray A, Geurts M, Subedi D, Yang L, Fleming J, Meng W, Barnholtz-Sloan J, Wang Q, Robe P, Haque S, Chakravarti A. Identification of a Novel miR-146a-POU3F2/SMARCA5 Pathway in Glioblastoma. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.2093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Kumar A, Rajasekera P, Beyer S, McElroy J, Grosu A, Biehn S, Cui T, Becker A, Johnson B, Sebastian E, Lindert S, Bell E, Haque S, Chakravarti A. Pharmacological Targeting Of Transgelin-2 As A Novel Strategy Of Therapeutic Intervention In Glioblastoma. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Singh K, Fleming J, Han C, Cui T, Johnson B, Haque J, Bell E, Robe P, Chakravarti A. OC-0450: TRIBBLES1 (TRIB1) pseudokinase: a potential therapeutic target in GBM. Radiother Oncol 2020. [DOI: 10.1016/s0167-8140(21)00472-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Huang W, Cui T. Pattern Of Recurrence In 431 Patients With Thoracic Esophageal Squamous Cell Carcinoma After Radical Surgery And Its Implication In Postoperative Radiotherapeutic Clinical Target Volume. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Abstract
In this paper, we investigate the substrate effect in graphene temperature sensors. Recently, there have been many research studies done on temperature sensors using the nanofabrication technique. However, the sensitivity and response time need to be improved. In this study, we propose a new type of temperature sensor that consists of graphene and Anodic Aluminum Oxide (AAO). In this device, graphene and AAO are used as the sensing material and the substrate, respectively. We characterize the sensitivity and the response time using the experimental results and simulation data. The real-time resistance change of graphene is monitored depending on the temperature, and the response time is also analyzed by COMSOL Multiphysics. To confirm the porous substrate effect, we compare the device performance of the AAO substrate to the performance of the glass substrate. From these results, the suspended graphene on the AAO substrate shows about two times higher sensitivity and a much faster response time than the glass substrate.
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Affiliation(s)
- J Kim
- Mechanical Engineering Department, University of Minnesota, 111 Church Street SE, Minneapolis, Minnesota 55455, USA
| | - T Cui
- Mechanical Engineering Department, University of Minnesota, 111 Church Street SE, Minneapolis, Minnesota 55455, USA
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Cui T, Li S, Li K, Jian Z, Li C. 721 Abnormal autophagosome formation increased melanocyte sensitivity to H2O2-induced oxidative stress in vitiligo. J Invest Dermatol 2020. [DOI: 10.1016/j.jid.2020.03.734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Wang K, Pang L, Tao Y, Li X, Zhang J, Cui T, Zeng B, Lin H. Association of genetic and environmental factors with dental caries among adolescents in south China: A cross-sectional study. Eur J Paediatr Dent 2020; 21:129-136. [PMID: 32567944 DOI: 10.23804/ejpd.2020.21.02.07] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
AIM The objective of this study was to investigative genetic and environmental factors that contribute to caries susceptibility among adolescents in south China. MATERIALS AND METHODS A cross-sectional study was conducted among 1055 adolescents aged 13-14 years old in south China. The International Caries Detection and Assessment System (ICDAS) was used to identify caries. Environmental variables were analysed by regression models. Twenty-three single nucleotide polymorphisms (SNPs) in 14 genes were identified from saliva samples. Regression analysis was used for the evaluation of effects of SNP markers using the minor allele as the effect allele. RESULTS Our results suggest that gender, Cariostat score and Plaque Index were associated with dental caries. After the adjustment by age and gender, the G allele in AMBN (rs13115627) nominally was a protective factor for caries under additive model (P=0.028; OR=0.782; 95% CI, 0.627-0.974). However, the association did not meet the Bonferroni correction significance cut-off for multiple testing. CONCLUSION Gender, Cariostat score and Plaque Index were associated with dental caries in this population. No selected SNPs showed a significant association with dental caries under either additive model or dominance model.
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Affiliation(s)
- K Wang
- Department of Preventive Dentistry, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou - Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, PR China
| | - L Pang
- Department of Preventive Dentistry, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou - Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, PR China
| | - Y Tao
- Department of Preventive Dentistry, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou - Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, PR China
| | - X Li
- Foshan Stomatology Hospital, Foshan, School of Stomatology and Medicine, Foshan University, Foshan, PR China
| | - J Zhang
- Foshan Stomatology Hospital, Foshan, School of Stomatology and Medicine, Foshan University, Foshan, PR China
| | - T Cui
- Foshan Stomatology Hospital, Foshan, School of Stomatology and Medicine, Foshan University, Foshan, PR China
| | - B Zeng
- Department of Preventive Dentistry, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou - Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, PR China
| | - H Lin
- Department of Preventive Dentistry, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou - Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, PR China
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Lu M, Xiang Z, Gong T, Zhou X, Zhang Z, Tang B, Zeng J, Wang L, Cui T, Li Y. Intrinsic Fluoride Tolerance Regulated by a Transcription Factor. J Dent Res 2020; 99:1270-1278. [PMID: 32485128 DOI: 10.1177/0022034520927385] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Fluoride facilitates the remineralization of dental hard tissues and affects bacterial activities. Therefore, it is extensively used as an anti-caries agent in clinical practice and daily life. Although some studies focused on understanding Streptococcus mutans' response to fluoride, the mechanism regulating intrinsic fluoride tolerance is not yet clear. Since the TetR family of transcription factors is associated with multidrug resistance, our aim was to evaluate whether they are related to fluoride tolerance in S. mutans. A mutant library including each S. mutans TetR gene was constructed and the transcription factor fluoride related transcriptional regulator (FrtR) was identified. The in-frame deletion of the S. mutans frtR gene resulted in decreased cell viability under fluoride in both the planktonic state and single-/dual-species biofilms. This in-frame frtR mutant was used for RNA-sequencing and the fluoride related permease gene (frtP) was found as 1 of the downstream genes directly regulated by FrtR. The recombinant FrtR protein was purified, and conserved DNA binding motifs were determined using electrophoretic mobility shift and DNase I footprinting assays. Finally, a series of mutant and complement strains were constructed to perform the minimum inhibitory concentration (MIC) assays, which indicated that frtP upregulation led to the increase of fluoride sensitivity. Collectively, our results indicate that FrtR is an important transcription factor regulating the frtP expression in S. mutans, thus affecting the intrinsic fluoride tolerance. Therefore, this study provides novel insights into a potential target to increase the S. mutans sensitivity to fluoride for a better prevention of dental caries.
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Affiliation(s)
- M Lu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Z Xiang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - T Gong
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - X Zhou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Z Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - B Tang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - J Zeng
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - L Wang
- Division of Infectious Diseases, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - T Cui
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shanxi, China
| | - Y Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
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ZHAO Y, Yang L, Fu P, Cui T. SUN-262 THE DIAGNOSTIC VALUE OF MULTI-DETECTOR CT ANGIOGRAPHY FOR CATHETER-RELATED CENTRAL VENOUS STENOSIS IN HEMODIALYSIS PATIENTS. Kidney Int Rep 2020. [DOI: 10.1016/j.ekir.2020.02.797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Cui T, Bai F, Sun M, Lv X, Li X, Zhang D, Du H. Lactobacillus crustorum ZHG 2-1 as novel quorum-quenching bacteria reducing virulence factors and biofilms formation of Pseudomonas aeruginosa. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2019.108696] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Xu DX, Guo JJ, Zhu GY, Wu HJ, Zhang QS, Cui T. MiR-363-3p modulates cell growth and invasion in glioma by directly targeting pyruvate dehydrogenase B. Eur Rev Med Pharmacol Sci 2019; 22:5230-5239. [PMID: 30178846 DOI: 10.26355/eurrev_201808_15721] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE This study is designed to investigate the role of miR-363-3p in the cancer development of glioma. PATIENTS AND METHODS The expression of miR-363-3p in glioma and adjacent noncancerous tissue was measured using quantitative RT-PCR. The expression of a target gene of miR-363-3p, pyruvate dehydrogenase B (PDHB), was determined by Western blot. The level of miR-363-3p was increased or decreased by transfected with miR-363-3p mimic or miR-363-3p inhibitor, respectively. The impact of miR-363-3p on cell growth, apoptosis and invasion was determined by CCK-8 (Cell Counting Kit) assay, flow cytometry, and transwell assay. The role of PDHB in mediating the oncogenic activities was demonstrated by co-transfected PDHB vector and miR-363-3p mimic. RESULTS Our results have shown that miR-3663-3p level was significantly higher in glioma tissue. Furthermore, miR-363-3p functions as onco-miRNA, promotes cell proliferation, protects against apoptosis, and enhances invasion by directly targeting PDHB. CONCLUSIONS MiR-363-3p is an onco-miRNA, which can be considered as a potential therapeutic target in glioma.
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Affiliation(s)
- D-X Xu
- Department of Neurosurgery, The First Affiliated Hospital of Henan University of Science and Technology, Henan, China.
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Fabian D, Bell E, McElroy J, Li F, Cui T, Fleming J, Becker A, Geurts M, Haque S, Robe P, Chakravarti A. A Preliminary Comprehensive Molecular-Based Nomogram for Individualized Estimation of Survival in Patients with Newly- Diagnosed Glioblastoma utilizing global microRNA, Proteomic, and Methylation Data. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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48
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Li J, Cui T. 442 Laminin alpha 5 in skin microvascular endothelial cell function and angiogenesis. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.03.518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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49
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Beyer S, Bell E, McElroy J, Oehlke O, Fleming J, Becker A, Bassett E, Cui T, Guo Y, Staszewski O, Prinz M, Grosu A, Haque S, Chakravarti A. Transgelin-2 Expression Increases Invasion, Proliferation and Radiation Resistance in IDH Wild-Type Gliomas. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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50
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Becker A, Bell E, McElroy J, Cui T, Geurts M, Liu Z, Haque S, Robe P, Chakravarti A. MGMT Protein Expression Adds Prognostic Value Beyond MGMT Promoter Methylation and Stratifies Survival Prognoses of Un-Methylated Glioblastoma Patients. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.06.093] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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