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Li J, Yu L, Wang R, Lan J, Li M, Qiao Y, Tao Z, Lü H, Wang F, Fang Q, Guo P. The role of silver nanoparticles alone and combined with imipenem on carbapenem-resistant Klebsiella pneumoniae. J Appl Microbiol 2024; 135:lxae077. [PMID: 38544327 DOI: 10.1093/jambio/lxae077] [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: 10/18/2023] [Revised: 03/11/2024] [Accepted: 03/26/2024] [Indexed: 05/07/2024]
Abstract
AIMS Carbapenem-resistant Klebsiella pneumoniae (CRKP) infections poses a significant threat to human health, necessitating urgent development of new antimicrobial agents. Silver nanoparticles (AgNPs), which are among the most widely used engineered nanomaterials, have been extensively studied. However, the impact of AgNPs on CRKP and the potential for drug resistance development remain inadequately explored. METHODS AND RESULTS In this study, broth dilution method was used to determine the minimum inhibitory concentration (MIC) was determined using the broth dilution method. Results indicated MIC values of 93.1 ± 193.3 µg ml-1 for AgNPs, 2.3 ± 5.1 µg ml-1 for AgNO3, and 25.1 ± 48.3 µg ml-1 for imipenem (IMI). The combined inhibitory effect of AgNPs and IMI on CRKP was assessed using the checkerboard method. Moreover, after 6-20 generations of continuous culture, the MIC value of AgNPs increased 2-fold. Compared to IMI, resistance of Kl. pneumoniae to AgNPs developed more slowly, with a higher fold increase in MIC observed after 20 generations. Whole-genome sequencing revealed four nonsynonymous single nucleotide polymorphism mutations in CRKP after 20 generations of AgNP treatment. CONCLUSION We have demonstrated that AgNPs significantly inhibit CRKP isolates and enhance the antibacterial activity of imipenem against Kl. pneumoniae. Although the development of AgNP resistance is gradual, continued efforts are necessary for monitoring and studying the mechanisms of AgNP resistance.
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Affiliation(s)
- Jiangyan Li
- Department of Clinical Laboratory, The First Affiliated Hospital of Bengbu Medical University, Changhuai Road 287, Bengbu, Anhui Province 233030, China
- Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Changhuai Road 287, Bengbu, Anhui Province 233030, China
| | - Lian Yu
- Bengbu Medical University, Donghaidadao 2600, Bengbu, Anhui Province 233030, China
| | - Ruirui Wang
- Bengbu Medical University, Donghaidadao 2600, Bengbu, Anhui Province 233030, China
| | - Jiaqi Lan
- Bengbu Medical University, Donghaidadao 2600, Bengbu, Anhui Province 233030, China
| | - Ming Li
- Bengbu Medical University, Donghaidadao 2600, Bengbu, Anhui Province 233030, China
| | - Yan Qiao
- Department of Clinical Laboratory, The First Affiliated Hospital of Bengbu Medical University, Changhuai Road 287, Bengbu, Anhui Province 233030, China
| | - Zhaoyu Tao
- Bengbu Medical University, Donghaidadao 2600, Bengbu, Anhui Province 233030, China
| | - Hezuo Lü
- Department of Clinical Laboratory, The First Affiliated Hospital of Bengbu Medical University, Changhuai Road 287, Bengbu, Anhui Province 233030, China
| | - Fengchao Wang
- Department of Clinical Laboratory, The First Affiliated Hospital of Bengbu Medical University, Changhuai Road 287, Bengbu, Anhui Province 233030, China
| | - Qiang Fang
- Bengbu Medical University, Donghaidadao 2600, Bengbu, Anhui Province 233030, China
| | - Pu Guo
- Department of Clinical Laboratory, The First Affiliated Hospital of Bengbu Medical University, Changhuai Road 287, Bengbu, Anhui Province 233030, China
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Li J, Li M, Wang R, Lan J, Yu L, Gao J, Lü H, Fang Q, Wang F. Mitophagy protects against silver nanoparticle-induced hepatotoxicity by inhibiting mitochondrial ROS and the NLRP3 inflammasome. Ecotoxicol Environ Saf 2024; 273:116137. [PMID: 38417314 DOI: 10.1016/j.ecoenv.2024.116137] [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] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 01/26/2024] [Accepted: 02/19/2024] [Indexed: 03/01/2024]
Abstract
Silver nanoparticles (AgNPs) have wide clinical applications because of their excellent antibacterial properties; however, they can cause liver inflammation in animals. Macrophages are among the main cells mediating inflammation and are also responsible for the phagocytosis of nanomaterials. The NLRP3 inflammasome is a major mechanism of inflammation, and its activation both induces cytokine release and triggers inflammatory cell death (i.e., pyroptosis). In previous studies, we demonstrated that mitophagy activation plays a protective role against AgNP-induced hepatotoxicity. However, the exact molecular mechanisms underlying these processes are not fully understood. In this study, we demonstrate that AgNP exposure induces NLRP3 inflammasome activation, mitochondrial damage and pyroptosis in vivo and in vitro. NLRP3 silencing or inhibiting mitochondrial reactive oxygen species (ROS) overproduction reduces PINK1-Parkin-mediated mitophagy. Meanwhile, the inhibition of mitophagy ROS production, mitochondrial, NLRP3-mediated inflammation, and pyroptosis in RAW264.7 cells were more pronounced than in the control group. These results suggest that PINK1-Parkin-mediated mitophagy plays a protective role by reducing AgNP-induced mitochondrial ROS and subsequent NLRP3 inflammasome activation.
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Affiliation(s)
- Jiangyan Li
- Department of Clinical Laboratory, The First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui Province 233030, China; Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, China
| | - Ming Li
- Bengbu Medical University, Bengbu, Anhui Province 233030, China
| | - Ruirui Wang
- Bengbu Medical University, Bengbu, Anhui Province 233030, China
| | - Jiaqi Lan
- Bengbu Medical University, Bengbu, Anhui Province 233030, China
| | - Lian Yu
- Bengbu Medical University, Bengbu, Anhui Province 233030, China
| | - Jie Gao
- Department of Clinical Laboratory, The First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui Province 233030, China
| | - Hezuo Lü
- Department of Clinical Laboratory, The First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui Province 233030, China
| | - Qiang Fang
- Bengbu Medical University, Bengbu, Anhui Province 233030, China
| | - Fengchao Wang
- Department of Clinical Laboratory, The First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui Province 233030, China.
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Tang J, Kang Y, Zhou Y, Shang N, Li X, Wang H, Lan J, Wang S, Wu L, Peng Y. TIMP2 ameliorates blood-brain barrier disruption in traumatic brain injury by inhibiting Src-dependent VE-cadherin internalization. J Clin Invest 2023; 134:e164199. [PMID: 38015626 PMCID: PMC10849766 DOI: 10.1172/jci164199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 11/21/2023] [Indexed: 11/30/2023] Open
Abstract
Blood-brain barrier (BBB) disruption is a serious pathological consequence of traumatic brain injury (TBI), for which there are limited therapeutic strategies. Tissue inhibitor of metalloproteinase-2 (TIMP2), a molecule with dual functions of inhibiting MMP activity and displaying cytokine-like activity through receptor binding, has been reported to inhibit VEGF-induced vascular hyperpermeability. Here, we investigate the ability of TIMP2 to ameliorate BBB disruption in TBI and the underlying molecular mechanisms. Both TIMP2 and AlaTIMP2, a TIMP2 mutant without MMP-inhibiting activity, attenuated neurological deficits and BBB leakage in TBI mice; they also inhibited junctional protein degradation and translocation to reduce paracellular permeability in human brain microvascular endothelial cells (ECs) exposed to hypoxic plus inflammatory insult. Mechanistic studies revealed that TIMP2 interacted with α3β1 integrin on ECs, inhibiting Src activation-dependent VE-cadherin phosphorylation, VE-cadherin/catenin complex destabilization, and subsequent VE-cadherin internalization. Notably, localization of VE-cadherin on the membrane was critical for TIMP2-mediated EC barrier integrity. Furthermore, TIMP2-mediated increased membrane localization of VE-cadherin enhanced the level of active Rac1, thereby inhibiting stress fiber formation. All together, our studies have identified an MMP-independent mechanism by which TIMP2 regulates EC barrier integrity after TBI. TIMP2 may be a therapeutic agent for TBI and other neurological disorders involving BBB breakdown.
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Xue B, Yang Q, Jin Y, Zhu Q, Lan J, Lin Y, Tan J, Liu L, Zhang T, Chirwa EMN, Zhou X. Genotoxicity Assessment of Haloacetaldehyde Disinfection Byproducts via a Simplified Yeast-Based Toxicogenomics Assay. Environ Sci Technol 2023; 57:16823-16833. [PMID: 37874250 DOI: 10.1021/acs.est.3c04956] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [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: 10/25/2023]
Abstract
Haloacetaldehydes (HALs) represent the third-largest category of disinfection byproducts (DBPs) in drinking water in terms of weight. As a subset of unregulated DBPs, only a few HALs have undergone assessment, yielding limited information regarding their genotoxicity mechanisms. Herein, we developed a simplified yeast-based toxicogenomics assay to evaluate the genotoxicity of five specific HALs. This assay recorded the protein expression profiles of eight Saccharomyces cerevisiae strains fused with green fluorescent protein, including all known DNA damage and repair pathways. High-resolution real-time pathway activation data and protein expression profiles in conjunction with clustering analysis revealed that the five HALs induced various DNA damage and repair pathways. Among these, chloroacetaldehyde and trichloroacetaldehyde were found to be positively associated with genotoxicity, while dichloroacetaldehyde, bromoacetaldehyde, and tribromoacetaldehyde displayed negative associations. The protein effect level index, which are molecular end points derived from a toxicogenomics assay, exhibited a statistically significant positive correlation with the results of traditional genotoxicity assays, such as the comet assay (rp = 0.830 and p < 0.001) and SOS/umu assay (rp = 0.786 and p = 0.004). This yeast-based toxicogenomics assay, which employs a minimal set of gene biomarkers, can be used for mechanistic genotoxicity screening and assessment of HALs and other chemical compounds. These results contribute to bridging the knowledge gap regarding the molecular mechanisms underlying the genotoxicity of HALs and enable the categorization of HALs based on their distinct DNA damage and repair mechanisms.
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Affiliation(s)
- Boyuan Xue
- State Key Joint Laboratory of ESPC, Center for Sensor Technology of Environment and Health, School of Environment, Tsinghua University, Beijing 100084, China
| | - Qian Yang
- State Key Joint Laboratory of ESPC, Center for Sensor Technology of Environment and Health, School of Environment, Tsinghua University, Beijing 100084, China
| | - Yushi Jin
- State Key Joint Laboratory of ESPC, Center for Sensor Technology of Environment and Health, School of Environment, Tsinghua University, Beijing 100084, China
| | - Qian Zhu
- State Key Joint Laboratory of ESPC, Center for Sensor Technology of Environment and Health, School of Environment, Tsinghua University, Beijing 100084, China
| | - Jiaqi Lan
- State Key Laboratory of Bioactive Substance and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yishan Lin
- Shaanxi Key Laboratory of Earth Surface System and Environmental Carrying Capacity, College of Urban and Environmental Sciences, Northwest University, Xi'an 710127, China
| | - Jisui Tan
- State Key Joint Laboratory of ESPC, Center for Sensor Technology of Environment and Health, School of Environment, Tsinghua University, Beijing 100084, China
| | - Lanhua Liu
- School of Ecology & Environmental Science, Zhengzhou University, Zhengzhou 450001, China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510275, China
| | - Tao Zhang
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510275, China
| | | | - Xiaohong Zhou
- State Key Joint Laboratory of ESPC, Center for Sensor Technology of Environment and Health, School of Environment, Tsinghua University, Beijing 100084, China
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Wen J, Wang Y, Wang B, Jiang B, Lan J, Yang J, Tao J, Shen C, Li Y. Rapid Clearance of Corticosteroid-resistant Targetoid Acute Generalized Exanthematous Pustulosis Using IL-17A Inhibitor: A Case Report. J Investig Allergol Clin Immunol 2023; 34:0. [PMID: 37796637 DOI: 10.18176/jiaci.0946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/07/2023] Open
Affiliation(s)
- J Wen
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Wuhan, China
| | - Y Wang
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Wuhan, China
| | - B Wang
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, United States
| | - B Jiang
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Wuhan, China
| | - J Lan
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Wuhan, China
| | - J Yang
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Wuhan, China
| | - J Tao
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Wuhan, China
| | - Ch Shen
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Wuhan, China
| | - Y Li
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Wuhan, China
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Tang J, Kang Y, Zhou Y, Chen Q, Lan J, Liu X, Peng Y. Umbilical cord mesenchymal stem cell-conditioned medium inhibits microglial activation to ameliorate neuroinflammation in amyotrophic lateral sclerosis mice and cell models. Brain Res Bull 2023; 202:110760. [PMID: 37704056 DOI: 10.1016/j.brainresbull.2023.110760] [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: 07/23/2023] [Revised: 08/26/2023] [Accepted: 09/11/2023] [Indexed: 09/15/2023]
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease for which few effective therapeutic strategies are available. Increasing evidence indicates that neuroinflammation plays a significant role in ALS pathogenesis. Mesenchymal stem cell (MSC)-based therapy has been proposed for the treatment of neurodegenerative diseases, including ALS. In this study, we first demonstrated that systemic administration of conditioned medium derived from umbilical cord MSCs (UCMSC-CM) extends the lifespan of transgenic SOD1-G93A mice, a well-characterized model of familial ALS. Moreover, UCMSC-CM inhibits microglial activation and astrogliosis and alleviates the inflammatory milieu by reducing the release of proinflammatory cytokines and the expression of iNOS in the spinal cord. Using BV-2 cells overexpressing the SOD1-G93A mutant as an ALS cellular model, we uncovered that UCMSC-CM also suppresses the lipopolysaccharide (LPS)-induced inflammatory response, including reduced expression of proinflammatory cytokines and iNOS. Importantly, by culturing astrocytes alone in microglia-conditioned medium (MCM) or together with microglia in a transwell coculture system, we found that UCMSC-CM modulates the secretome of microglia exposed to inflammatory stimuli, thereby preventing the conversion of astrocytes to the A1 neurotoxic phenotype. This study revealed the anti-inflammatory properties of UCMSC-CM and its regulatory effect on glial activation in the treatment of neuroinflammation in ALS, providing strong evidence for the clinical application of UCMSC-CM.
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Affiliation(s)
- Jingshu Tang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yuying Kang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yujun Zhou
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Qiuyu Chen
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Jiaqi Lan
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Xuebin Liu
- Department of Cell Transplantation, General Hospital of Chinese People's Armed Police Forces, Beijing 100039, China; Beijing Zhongguang Tianyi Biotechnology Co., Ltd, Beijing 100026, China.
| | - Ying Peng
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.
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Yang C, Chen F, Li S, Zeng X, Wang S, Lan J. Association of rs35006907 Polymorphism with Risk of Dilated Cardiomyopathy in Han Chinese Population. Balkan J Med Genet 2023; 26:27-34. [PMID: 38711908 PMCID: PMC11071056 DOI: 10.2478/bjmg-2023-0004] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024] Open
Abstract
Background Several investigations have demonstrated the association of MTSS1 with left ventricular (LV) structure and function. A recently published study has even revealed that rs35006907 was associated with both MTSS1 expression and the risk of dilated cardiomyopathy (DCM). Objective Our study intended to investigate the relationship between rs35006907 and the risk of DCM in the Han Chinese population. Methods A total of 529 DCM and 600 healthy controls were recruited. We conducted genotyping for rs35006907 in all participants. Gene association studies were performed to assess the association between rs35006907 and the risk of DCM. A series of functional assays including western blot, realtime PCR and firefly luciferase reporter gene assays were conducted to illuminate the underlying mechanism. Results We found that rs35006907-A allele was significantly associated with reduced risk of DCM in additive (p= 0.004; OR=0.78; 95% CI=0.66-0.93) and recessive models (p= 0.0005; OR=0.56; 95%CI=0.41-0.78) when compared with the rs35006907-C allele. There were significant differences in the left ventricular end-diastolic diameter (LVEDD) and left ventricular ejection fraction (LVEF) between rs35006907-CC/AC and AA genotypes. Furthermore, the variant rs35006907-A allele presented lower reporter gene activity, reduced mRNA and protein expression levels when compared with the C allele. Conclusions Our findings demonstrated that rs35006907-C allele increased the risk of DCM in Han Chinese population. Besides, rs35006907-C displayed higher reporter gene activity and increased MTSS1 expression in human samples.
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Affiliation(s)
- C Yang
- Division of Cardiology, Panzhihua Central Hospital, Panzhihua, China
| | - F Chen
- Department of Hematology, Panzhihua Central Hospital, Panzhihua, China
| | - Sh Li
- Division of Cardiology, Panzhihua Central Hospital, Panzhihua, China
| | - X Zeng
- Division of Cardiology, Panzhihua Central Hospital, Panzhihua, China
| | - Sh Wang
- Division of Cardiology, Panzhihua Central Hospital, Panzhihua, China
| | - J Lan
- Division of Cardiology, Panzhihua Central Hospital, Panzhihua, China
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Wang H, Hu J, Hu J, Chen Q, Shang N, Liu M, Li X, Xiang L, Yin D, Lan J, Xiao Q, Peng Y. Antidepressant effect of 4-Butyl-a-agarofuran via HPA axis and serotonin system. Brain Res Bull 2023; 198:3-14. [PMID: 37076049 DOI: 10.1016/j.brainresbull.2023.04.003] [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: 02/09/2023] [Revised: 03/22/2023] [Accepted: 04/16/2023] [Indexed: 04/21/2023]
Abstract
Depression is a leading cause of disability worldwide and the psychiatric diagnosis most commonly associated with suicide. 4-Butyl-a-agarofuran (AF-5), a derivative of agarwood furan, is currently in phase III clinical trials for generalized anxiety disorder. Herein, we explored the antidepressant effect and its possible neurobiological mechanisms in animal models. In present study, AF-5 administration markedly decreased the immobility time in mouse forced swim test and tail suspension test. In the sub-chronic reserpine-induced depressive rats, AF-5 treatment markedly increased the rectal temperature and decreased the immobility time of model rats. In addition, chronic AF-5 treatment markedly reversed the depressive-like behaviors in chronic unpredictable mild stress (CUMS) rats by reducing immobility time of forced swim test. Single treatment with AF-5 also potentiated the mouse head-twitch response induced by 5-hydroxytryptophan (5-HTP, a metabolic precursor to serotonin), and antagonized the ptosis and motor ability triggered by reserpine. However, AF-5 had no effect on yohimbine toxicity in mice. These results indicated that acute treatment with AF-5 produced serotonergic, but not noradrenergic activation. Furthermore, AF-5 reduced adrenocorticotropic hormone (ACTH) level in serum and normalized the neurotransmitter changes, including the decreased serotonin (5-HT) in hippocampus of CUMS rats. Moreover, AF-5 affected the expressions of CRFR1 and 5-HT2C receptor in CUMS rats. These findings confirm the antidepressant effect of AF-5 in animal models, which may be primarily related to CRFR1 and 5-HT2C receptor. AF-5 appears to be promising as a novel dual target drug for depression treatment.
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Affiliation(s)
- Hongyue Wang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College. No.1, Xiannongtan Street, Xicheng District, Beijing 100050, China
| | - Jinping Hu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College. No.1, Xiannongtan Street, Xicheng District, Beijing 100050, China
| | - Jiahuan Hu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College. No.1, Xiannongtan Street, Xicheng District, Beijing 100050, China
| | - Qiuyu Chen
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College. No.1, Xiannongtan Street, Xicheng District, Beijing 100050, China
| | - Nianying Shang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College. No.1, Xiannongtan Street, Xicheng District, Beijing 100050, China
| | - Mengyao Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College. No.1, Xiannongtan Street, Xicheng District, Beijing 100050, China
| | - Xinnan Li
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College. No.1, Xiannongtan Street, Xicheng District, Beijing 100050, China
| | - Longgang Xiang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College. No.1, Xiannongtan Street, Xicheng District, Beijing 100050, China
| | - Dali Yin
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College. No.1, Xiannongtan Street, Xicheng District, Beijing 100050, China
| | - Jiaqi Lan
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College. No.1, Xiannongtan Street, Xicheng District, Beijing 100050, China.
| | - Qiong Xiao
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College. No.1, Xiannongtan Street, Xicheng District, Beijing 100050, China.
| | - Ying Peng
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College. No.1, Xiannongtan Street, Xicheng District, Beijing 100050, China.
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Mu YQ, Yuan MQ, Yuan X, Zhu LN, Guo MH, Lan J. [Mechanism of VPS26 gene promoting implant osseointegration through Wnt/β-catenin pathway in hyperlipidemia rats]. Zhonghua Kou Qiang Yi Xue Za Zhi 2023; 58:345-353. [PMID: 37005781 DOI: 10.3760/cma.j.cn112144-20220627-00349] [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: 04/04/2023]
Abstract
Objective: To investigate the mechanism of VPS26 effect on osteogenesis and adipogenesis differentiation of rat bone marrow mesenchymal stem cells (BMSC) in high fat environment, and to explore the effect of VPS26 on implants osseointegration of high fat rats and ectopic osteogenesis in nude mice. Methods: BMSC were cultured under normal osteogenic induction (osteogenic group) and high-fat osteogenic induction (high-fat group).High-fat group was transfected with VPS26 enhancer and inhibitor, and the expression levels of osteogenesis related genes and adipogenesis related genes were examined. Osteogenesis and adipogenesis of BMSC were detected by alkaline phosphatase (ALP) staining and oil red O staining after 7 and 14 days of induction.In osteogenic group,the binding of VPS26 to β-catenin was detected by immunofluorescence staining and immunoprecipitation, and dual luciferase reporter assay (TOP Flash) was used to analyze the TOP/FOP ratio. Eighteen male 12-week hyperlipidemic Wista rats (160-200 g) were implanted with implants, and six in each group were injected with VPS26 overexpression lentivirus (LV-VPS26 group), negative control lentivirus (LV-nc group) and saline (blank control group).Micro-CT analysis , HE and oil red O staining were used to evaluate the osseointegration of the implants and lipid droplets formation of the femur samples. Twenty female 6-week nude mice (30-40 g) were divided into five groups and subcutaneously implanted with osteogenic BMSC non-transfected and transfected LV-VPS26, LV-nc, shVPS26, and shscr lentivirus on the back. Samples were used to observe ectopic osteogenesis. Results: The mRNA expression levels of ALP in the high-fat group BMSC after overexpression of VPS26 (1.56±0.09) were significantly higher than those of the negative control (1.01±0.03) (t=10.09, P<0.001), while those of peroxisome proliferator-activated receptor-γ (PPAR-γ) (t=6.44, P<0.001) and fatty acid-binding protein4 (FABP4) (t=10.01, P<0.001) were lower than those of the negative control. Western blotting results showed that compared with the negative control, protein expression of ALP and Runt-related transcription gene 2 was enhanced in the high-fat group BMSC after overexpression of VPS26 while PPAR-γ and FABP4 were inhibited. ALP activity of BMSC in the high-fat group was stronger after overexpression of VPS26, and the formation of lipid droplets was weaker than that in negative control. The results of immunofluorescence, immunoprecipitation and dual luciferase reporter assays showed co-localization and interaction of VPS26 with β-catenin and a significant 43.10% increase in the TOP/FOP ratio (t=-3.17, P=0.034). VPS26 overexpression enhanced osseointegration and decreased the number of lipid droplets in high-fat rat and enhanced ectopic osteogenesis of nude mice. Conclusions: VPS26 activated osteogenesis differentiation and inhibited adipogenic differentiation of BMSCs through Wnt/β-catenin pathway, promoting osseointegration of high-fat rat implants and ectopic osteogenesis of nude mice.
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Affiliation(s)
- Y Q Mu
- Department of Prosthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan 250012, China
| | - M Q Yuan
- Department of Prosthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan 250012, China
| | - X Yuan
- Department of Prosthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan 250012, China
| | - L N Zhu
- Department of Prosthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan 250012, China
| | - M H Guo
- Department of Prosthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan 250012, China
| | - J Lan
- Department of Prosthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan 250012, China
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10
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Lan J, Zhou Y, Wang H, Tang J, Kang Y, Wang P, Liu X, Peng Y. Protective effect of human umbilical cord mesenchymal stem cell derived conditioned medium in a mutant TDP-43 induced motoneuron-like cellular model of ALS. Brain Res Bull 2023; 193:106-116. [PMID: 36563944 DOI: 10.1016/j.brainresbull.2022.12.008] [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: 10/04/2022] [Revised: 12/15/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022]
Abstract
Amyotrophic lateral sclerosis (ALS) is a multi-factor neurodegenerative disease, characterized by the loss of motor neurons. TAR DNA-binding protein 43 (TDP-43) mutation, accumulation and aggregation, as well as oxidative stress are recognized as major pathological denominators and biochemical markers for ALS. Recently, human umbilical cord mesenchymal stem cell-derived conditioned medium (UC-CM) has been introduced to treat ALS patients. However, there is no research for the protective effect of UC-CM on the TDP-43 model of ALS. In this study, we evaluated the potential neuroprotective effect of UC-CM on a cellular ALS model expressing TDP-43mutant M337V, as well as its underlying mechanism. We found that 24 h UC-CM treatment could protect M337V expressing motor neurons by increasing cell viability and reducing LDH leakage. Furthermore, the aggregation of M337V, generation of ROS, malondialdehyde (MDA), 4-hydroxynonenal (4-HNE), protein carbonyl and 8-OHdG were also reduced by UC-CM, indicating that UC-CM protected cells by reducing oxidative damage. Moreover, UC-CM significantly increased the expression of nuclear Nrf2 and its downstream enzyme HO1. The Nrf2 translocation inhibitor ML385 could inhibit the effect of UC-CM on the cell viability and aggregate of M337V. Our results suggest that UC-CM protect cells against M337V expression by its strong antioxidative effect via Nrf-2/HO-1 axis activation.
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Affiliation(s)
- Jiaqi Lan
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yujun Zhou
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Hongyue Wang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Jingshu Tang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yuying Kang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Peishen Wang
- Department of Cell Transplantation, The third Medical Center of Chinese PLA General Hospital, Beijing 100039, China
| | - Xuebin Liu
- Department of Cell Transplantation, The third Medical Center of Chinese PLA General Hospital, Beijing 100039, China; Beijing Zhongguang Tianyi Biotechnology Co., Ltd, Beijing 100026, China.
| | - Ying Peng
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.
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11
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Zhang Y, Tang J, Zhou Y, Xiao Q, Chen Q, Wang H, Lan J, Wu L, Peng Y. Short-term exposure to dimethyl fumarate (DMF) inhibits LPS-induced IκBζ expression in macrophages. Front Pharmacol 2023; 14:1114897. [PMID: 36817140 PMCID: PMC9929133 DOI: 10.3389/fphar.2023.1114897] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Accepted: 01/20/2023] [Indexed: 02/04/2023] Open
Abstract
Background: The pharmacological activity of dimethyl fumarate (DMF) in treating psoriasis and multiple sclerosis (MS) is not fully understood. DMF is hydrolysed to monomethyl fumarate (MMF) in vivo, which is believed to account for the therapeutic effects of DMF. However, previous studies have provided evidence that DMF also enters the circulation. Given that DMF is short-lived in the blood, whether DMF has a therapeutic impact is still unclear. Methods: Lipopolysaccharide (LPS)-mediated RAW264.7 cell activation was used as a model of inflammation to explore the anti-inflammatory effects of short-term DMF exposure in vitro. Whole blood LPS stimulation assay was applied to compare the anti-inflammatory effects of DMF and MMF in vivo. Griess assay was performed to examined nitrite release. The expression of pro-inflammatory cytokines and transcription factors were measured by quantitative PCR (qPCR), ELISA and Western blot. Depletion of intracellular glutathione (GSH) was evaluated by Ellman's assay. Luciferase reporter assays were performed to evaluate DMF effects on Nrf2-ARE pathway activation, promoter activity of Nfkbiz and mRNA stability of Nfkbiz. Binding of STAT3 to the IκBζ promoter were examined using Chromatin immunoprecipitation (ChIP) assay. Results: Short-term exposure to DMF significantly inhibited the inflammatory response of RAW264.7 cells and suppressed LPS-induced IκBζ expression. Importantly, oral DMF but not oral MMF administration significantly inhibited IκBζ transcription in murine peripheral blood cells. We demonstrated that the expression of IκBζ is affected by the availability of intracellular GSH and regulated by the transcription factor Nrf2 and STAT3. DMF with strong electrophilicity can rapidly deplete intracellular GSH, activate the Nrf2-ARE pathway, and inhibit the binding of STAT3 to the IκBζ promoter, thereby suppressing IκBζ expression in macrophages. Conclusion: These results demonstrate the rapid anti-inflammatory effects of DMF in macrophages, providing evidence to support the direct anti-inflammatory activity of DMF.
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12
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Zhou Y, Tang J, Lan J, Zhang Y, Wang H, Chen Q, Kang Y, Sun Y, Feng X, Wu L, Jin H, Chen S, Peng Y. Honokiol alleviated neurodegeneration by reducing oxidative stress and improving mitochondrial function in mutant SOD1 cellular and mouse models of amyotrophic lateral sclerosis. Acta Pharm Sin B 2023; 13:577-597. [PMID: 36873166 PMCID: PMC9979194 DOI: 10.1016/j.apsb.2022.07.019] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [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: 04/17/2022] [Revised: 06/12/2022] [Accepted: 06/16/2022] [Indexed: 11/25/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease affecting both upper and lower motor neurons (MNs) with large unmet medical needs. Multiple pathological mechanisms are considered to contribute to the progression of ALS, including neuronal oxidative stress and mitochondrial dysfunction. Honokiol (HNK) has been reported to exert therapeutic effects in several neurologic disease models including ischemia stroke, Alzheimer's disease and Parkinson's disease. Here we found that honokiol also exhibited protective effects in ALS disease models both in vitro and in vivo. Honokiol improved the viability of NSC-34 motor neuron-like cells that expressed the mutant G93A SOD1 proteins (SOD1-G93A cells for short). Mechanistical studies revealed that honokiol alleviated cellular oxidative stress by enhancing glutathione (GSH) synthesis and activating the nuclear factor erythroid 2-related factor 2 (NRF2)-antioxidant response element (ARE) pathway. Also, honokiol improved both mitochondrial function and morphology via fine-tuning mitochondrial dynamics in SOD1-G93A cells. Importantly, honokiol extended the lifespan of the SOD1-G93A transgenic mice and improved the motor function. The improvement of antioxidant capacity and mitochondrial function was further confirmed in the spinal cord and gastrocnemius muscle in mice. Overall, honokiol showed promising preclinical potential as a multiple target drug for ALS treatment.
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Affiliation(s)
- Yujun Zhou
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Jingshu Tang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Jiaqi Lan
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yong Zhang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Hongyue Wang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Qiuyu Chen
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yuying Kang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yang Sun
- Department of Natural Medicines, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xinhong Feng
- Department of Neurology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, China
| | - Lei Wu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Hongtao Jin
- New Drug Safety Evaluation Center, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.,NMPA Key Laboratory for Safety Research and Evaluation of Innovative Drug, Beijing 100050, China
| | - Shizhong Chen
- Department of Natural Medicines, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Ying Peng
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
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13
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Liu Y, Li X, Sui S, Tang J, Chen D, Kang Y, Xie K, Liu J, Lan J, Wu L, Chen R, Peng Y, Dai J. Structural diversification of bioactive bibenzyls through modular co-culture leading to the discovery of a novel neuroprotective agent. Acta Pharm Sin B 2022; 13:1771-1785. [PMID: 37139416 PMCID: PMC10149896 DOI: 10.1016/j.apsb.2022.10.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 09/25/2022] [Accepted: 10/04/2022] [Indexed: 11/27/2022] Open
Abstract
Bibenzyls, a kind of important plant polyphenols, have attracted growing attention for their broad and remarkable pharmacological activities. However, due to the low abundance in nature, uncontrollable and environmentally unfriendly chemical synthesis processes, these compounds are not readily accessible. Herein, one high-yield bibenzyl backbone-producing Escherichia coli strain was constructed by using a highly active and substrate-promiscuous bibenzyl synthase identified from Dendrobium officinale in combination with starter and extender biosynthetic enzymes. Three types of efficiently post-modifying modular strains were engineered by employing methyltransferases, prenyltransferase, and glycosyltransferase with high activity and substrate tolerance together with their corresponding donor biosynthetic modules. Structurally different bibenzyl derivatives were tandemly and/or divergently synthesized by co-culture engineering in various combination modes. Especially, a prenylated bibenzyl derivative (12) was found to be an antioxidant that exhibited potent neuroprotective activity in the cellular and rat models of ischemia stroke. RNA-seq, quantitative RT-PCR, and Western-blot analysis demonstrated that 12 could up-regulate the expression level of an apoptosis-inducing factor, mitochondria associated 3 (Aifm3), suggesting that Aifm3 might be a new target in ischemic stroke therapy. This study provides a flexible plug-and-play strategy for the easy-to-implement synthesis of structurally diverse bibenzyls through a modular co-culture engineering pipeline for drug discovery.
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14
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Wang YU, Lv H, Lan J, Zhang X, Zhu K, Yang S, Lv S, Lv S. Detection of Sodium Formaldehyde Sulfoxylate, Aluminum, and Borate Compounds in Bread and Pasta Products Consumed by Residents in Jilin Province, China. J Food Prot 2022; 85:1142-1147. [PMID: 35503969 DOI: 10.4315/jfp-22-011] [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: 01/14/2022] [Accepted: 04/27/2022] [Indexed: 11/11/2022]
Abstract
ABSTRACT Food additives are widespread in the human diet; however, their excessive intake can have an impact on the quality of health. This study evaluated food additives in bread and pasta products consumed by residents in various regions of Jilin Province, People's Republic of China, from 2019 to 2021. We collected samples of bread and six types of pasta products from farmers' markets and morning markets and used high-performance liquid chromatography, UV-visible spectrophotometry, and graphite furnace atomic absorption spectrometry to detect the content of the following food additives: sodium formaldehyde sulfoxylate, aluminum, and borate compounds. For 836 samples in total, we detected the presence of sodium formaldehyde sulfoxylate, aluminum, and borate compounds in excess rates reaching 3.5, 10, and 4.7%, respectively. Aluminum in fried breadsticks exceeded the standard by 40%. The results of this study can be used to assess the overall pass rate of bread and pasta products sold in Jilin Province and support the detection of possible food safety problems. HIGHLIGHTS
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Affiliation(s)
- Y U Wang
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun, People's Republic of China
| | - Hang Lv
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun, People's Republic of China.,School of food engineering, Jilin Engineering Normal University, Changchun, People's Republic of China
| | - Jiaqi Lan
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun, People's Republic of China
| | - Xin Zhang
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun, People's Republic of China
| | - Ketong Zhu
- School of food engineering, Jilin Engineering Normal University, Changchun, People's Republic of China
| | - Shuo Yang
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun, People's Republic of China
| | - Shaowu Lv
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun, People's Republic of China
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15
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Gao M, Lan J, Fu Y, Guo W. Biomass-Derived Lenthionine Enhanced by Radical Receptor for Rechargeable Lithium Battery. ChemSusChem 2022; 15:e202200423. [PMID: 35365969 DOI: 10.1002/cssc.202200423] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/01/2022] [Indexed: 06/14/2023]
Abstract
Organic compounds with tunable structures and high capacities are promising electrode materials for batteries. Cyclic organosulfide (i. e., lenthionine), as a natural material that can provide excellent ratio of effective atoms (S) and non-efficient atoms (C, H, and others), has a high theoretical specific capacity of 853.6 mAh g-1 . However, the multiphase transformation causes rapid capacity decay and hysteresis of charge/discharge voltage plateaus. To overcome these issues, a receptor, phenyl disulfide (PDS), was introduced to truncate subsequent transformations directly from the source and change the reaction path, inhibit the capacity decay, and improve the cycling stability. After 500 cycles, the capacity retention was 81.1 % with PDS, which was in sharp contrast to that (35.6 %) of the control cell. This study helps to understand the electrochemistry mechanism of biomass-derived lenthionine used as a high-capacity cathode material for rechargeable lithium batteries, also offering a strategy to overcome its inherent issues.
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Affiliation(s)
- Mengnan Gao
- College of Chemistry, Zhengzhou University, 100 Science Avenue, Zhengzhou, 450001, P. R. China
| | - Jiaqi Lan
- College of Chemistry, Zhengzhou University, 100 Science Avenue, Zhengzhou, 450001, P. R. China
| | - Yongzhu Fu
- College of Chemistry, Zhengzhou University, 100 Science Avenue, Zhengzhou, 450001, P. R. China
| | - Wei Guo
- College of Chemistry, Zhengzhou University, 100 Science Avenue, Zhengzhou, 450001, P. R. China
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16
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Abstract
We design and synthesize a fluorinated macrocyclic organodisulfide through a simple one-step oxidation of 2,5-difluorobenzene-1,4-dithiol in dimethyl sulfoxide. It contains a dimer, trimer, and tetramer of 2,5-difluorobenzene-1,4-disulfide, which are insoluble in ether electrolyte. When evaluated in a lithium half-cell, it delivers a discharge specific capacity of 268.6 mA h g-1 at 0.1C. The capacity retention rate is 78.1% after 200 cycles.
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Affiliation(s)
- Qianqian Pan
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Jiaqi Lan
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Yubing Si
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Wei Guo
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Yongzhu Fu
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
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17
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Lan J, Yang S, Wang YU, Guo N, Liu XU, Zhu K, Gong P, Lv S. Evaluation of Microbial Contamination in Cold Dishes and Prevalence of Foodborne Pathogens in Jilin Province. J Food Prot 2022; 85:728-734. [PMID: 34982815 DOI: 10.4315/jfp-21-328] [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: 08/26/2021] [Accepted: 12/21/2021] [Indexed: 11/11/2022]
Abstract
ABSTRACT This study evaluated the microbial contamination status of cold dishes consumed by residents of Jilin Province and investigated to determine the incidence of four pathogenic bacteria in cold dishes. A total of 300 samples of cold dishes, including meat, vegetable, and mixed products, were collected from three purchasing places: supermarkets, farmers' markets, and mobile vendors. Viable bacteria were isolated using conventional culture methods. After separation, a quick and easy PCR was used to detect Listeria monocytogenes, Staphylococcus aureus, enterotoxigenic Escherichia coli, and Salmonella. The results showed that the total number of microbial colonies in the vegetable samples exceeded the standard rate of 8% and the total number of microbial colonies in the meat and mixed samples did not exceed the standard. The total microbial colony count exceeded the standard in all three procurement sites, with the highest exceedance of 7.4% in the mobile vendor sites. The detection rates of enterotoxigenic E. coli, S. aureus, L. monocytogenes, and Salmonella, among the four pathogenic bacteria detected in all samples, were 4.3, 3.3, 3.0, and 1.0%, respectively. This study can be used to qualitatively assess the microbiological quality associated with cold dishes. It provides data to support the detection of possible food safety problems. HIGHLIGHTS
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Affiliation(s)
- Jiaqi Lan
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun 130021, China
| | - Shuo Yang
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun 130021, China
| | - Y U Wang
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun 130021, China
| | - Nan Guo
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun 130021, China
| | - X U Liu
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun 130021, China.,School of Food Engineering, Jilin Engineering Normal University, Changchun 130052, China
| | - Ketong Zhu
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun 130021, China.,School of Food Engineering, Jilin Engineering Normal University, Changchun 130052, China
| | - Pingsheng Gong
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun 130021, China
| | - Shaowu Lv
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun 130021, China
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18
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Zhai B, Liu L, Li X, Lv X, Wu J, Li J, Lin S, Yin Y, Lan J, Du J, Wu C, Wen Y, Wang Y, Wang Y, Hou Z, Li Y, Chai H, Zeng X. The Variation of Duck RIG-I-Mediated Innate Immune Response Induced by Different Virulence Avian Influenza Viruses. Front Microbiol 2022; 13:842721. [PMID: 35300481 PMCID: PMC8921926 DOI: 10.3389/fmicb.2022.842721] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 12/24/2021] [Accepted: 02/11/2022] [Indexed: 01/22/2023] Open
Abstract
In recent years, the emerging highly pathogenic avian influenza (HPAI) A(H5N8) virus has been reported with features of widely spread, an expanding host range, and cross-species transmission, attracting wide attention. The domestic duck plays a major role in the epidemiological cycle of the HPAI H5N8 virus, but little is known concerning innate immune responses during influenza infection in duck species. In this study, we used two wild-bird-origin viruses, H5N8 and H4N6, to conduct duck infection experiments, and detect the load of the two viruses, and retinoic acid-inducible gene I (RIG-I) and interferon β (IFN-β) in the host's natural immune response. Through comparison, it is found that the expression levels of RIG-I and IFN-β are both fluctuating. The innate immunity starts rapidly within 6 h after infection and is inhibited by the virus to varying degrees. The expression of RIG-I and IFN-β decreased on 1-2 days post-infection (dpi). The HPAI H5N8 virus has a stronger inhibitory effect on RIG-I than the low pathogenic avian influenza (LPAI) H4N6 virus and is the strongest in the lungs. After infection with HPAI H5N8 virus, 2 dpi, viral RNA replicates in large amounts in the lungs. It has been proven that RIG-I and IFN-β play an important role in the innate immune response of ducks to HPAI H5N8 virus infection, especially in the lungs. The main battlefield of RIG-I and IFN-β after infection with the LPAI H4N6 virus is in the rectum. Both viruses have been effectively controlled after 7 dpi. These results will help to understand the transmission mechanisms of avian influenza virus in wild ducks and help effectively prevent and control avian influenza.
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Affiliation(s)
- Boyu Zhai
- State Forestry Administration Key Laboratory of Wildlife Conservation, College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Lanlan Liu
- College of Basic Medical Science, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xiang Li
- State Forestry Administration Key Laboratory of Wildlife Conservation, College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Xinru Lv
- State Forestry Administration Key Laboratory of Wildlife Conservation, College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Jinyan Wu
- State Forestry Administration Key Laboratory of Wildlife Conservation, College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Jing Li
- State Forestry Administration Key Laboratory of Wildlife Conservation, College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Shengze Lin
- State Forestry Administration Key Laboratory of Wildlife Conservation, College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Yuxiang Yin
- State Forestry Administration Key Laboratory of Wildlife Conservation, College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Jiaqi Lan
- State Forestry Administration Key Laboratory of Wildlife Conservation, College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Jianan Du
- State Forestry Administration Key Laboratory of Wildlife Conservation, College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Chenwei Wu
- State Forestry Administration Key Laboratory of Wildlife Conservation, College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Yi Wen
- State Forestry Administration Key Laboratory of Wildlife Conservation, College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Yajun Wang
- State Forestry Administration Key Laboratory of Wildlife Conservation, College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Yulong Wang
- State Forestry Administration Key Laboratory of Wildlife Conservation, College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Zhijun Hou
- State Forestry Administration Key Laboratory of Wildlife Conservation, College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Yanbing Li
- Chinese Academy of Agricultural Sciences Harbin Veterinary Research Institute, Harbin, China
| | - Hongliang Chai
- State Forestry Administration Key Laboratory of Wildlife Conservation, College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Xiangwei Zeng
- State Forestry Administration Key Laboratory of Wildlife Conservation, College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
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19
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Rahman SM, Lan J, Kaeli D, Dy J, Alshawabkeh A, Gu AZ. Machine learning-based biomarkers identification from toxicogenomics - Bridging to regulatory relevant phenotypic endpoints. J Hazard Mater 2022; 423:127141. [PMID: 34560480 PMCID: PMC9628282 DOI: 10.1016/j.jhazmat.2021.127141] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 08/31/2021] [Accepted: 09/02/2021] [Indexed: 05/30/2023]
Abstract
One of the major challenges in realization and implementations of the Tox21 vision is the urgent need to establish quantitative link between in-vitro assay molecular endpoint and in-vivo regulatory-relevant phenotypic toxicity endpoint. Current toxicomics approach still mostly rely on large number of redundant markers without pre-selection or ranking, therefore, selection of relevant biomarkers with minimal redundancy would reduce the number of markers to be monitored and reduce the cost, time, and complexity of the toxicity screening and risk monitoring. Here, we demonstrated that, using time series toxicomics in-vitro assay along with machine learning-based feature selection (maximum relevance and minimum redundancy (MRMR)) and classification method (support vector machine (SVM)), an "optimal" number of biomarkers with minimum redundancy can be identified for prediction of phenotypic toxicity endpoints with good accuracy. We included two case studies for in-vivo carcinogenicity and Ames genotoxicity prediction, using 20 selected chemicals including model genotoxic chemicals and negative controls, respectively. The results suggested that, employing the adverse outcome pathway (AOP) concept, molecular endpoints based on a relatively small number of properly selected biomarker-ensemble involved in the conserved DNA-damage and repair pathways among eukaryotes, were able to predict both Ames genotoxicity endpoints and in-vivo carcinogenicity in rats. A prediction accuracy of 76% with AUC = 0.81 was achieved while predicting in-vivo carcinogenicity with the top-ranked five biomarkers. For Ames genotoxicity prediction, the top-ranked five biomarkers were able to achieve prediction accuracy of 70% with AUC = 0.75. However, the specific biomarkers identified as the top-ranked five biomarkers are different for the two different phenotypic genotoxicity assays. The top-ranked biomarkers for the in-vivo carcinogenicity prediction mainly focused on double strand break repair and DNA recombination, whereas the selected top-ranked biomarkers for Ames genotoxicity prediction are associated with base- and nucleotide-excision repair The method developed in this study will help to fill in the knowledge gap in phenotypic anchoring and predictive toxicology, and contribute to the progress in the implementation of tox 21 vision for environmental and health applications.
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Affiliation(s)
- Sheikh Mokhlesur Rahman
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Ave, Boston, MA 02115, USA; Department of Civil Engineering, Bangladesh University of Engineering and Technology, Dhaka 1000, Bangladesh
| | - Jiaqi Lan
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Ave, Boston, MA 02115, USA; Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - David Kaeli
- Department of Electrical and Computer Engineering, Northeastern University, 360 Huntington Ave, Boston, MA 02115, USA
| | - Jennifer Dy
- Department of Electrical and Computer Engineering, Northeastern University, 360 Huntington Ave, Boston, MA 02115, USA
| | - Akram Alshawabkeh
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Ave, Boston, MA 02115, USA
| | - April Z Gu
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Ave, Boston, MA 02115, USA; School of Civil and Environmental Engineering, Cornell University, 263 Hollister Hall, Ithaca, NY 14853, USA.
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Sherwood K, Tran J, Günther O, Lan J, Aiyegbusi O, Liwski R, Sapir-Pichhadze R, Bryan S, Caulfield T, Keown P. Genome Canada precision medicine strategy for structured national implementation of epitope matching in renal transplantation. Hum Immunol 2022; 83:264-269. [DOI: 10.1016/j.humimm.2022.01.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/12/2021] [Accepted: 01/05/2022] [Indexed: 02/08/2023]
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Hou YL, Yang YC, Lan J, Chang YW, Sun PL. Cutaneous infection caused by Diaporthe miriciae in a diabetic patient successfully treated with terbinafine. J Eur Acad Dermatol Venereol 2021; 36:e319-e322. [PMID: 34897825 DOI: 10.1111/jdv.17862] [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: 09/20/2021] [Accepted: 12/03/2021] [Indexed: 12/01/2022]
Affiliation(s)
- Y-L Hou
- Department of Dermatology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Y-C Yang
- Department of Dermatology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan.,College of Medicine, Chang Gung University, Kaohsiung, Taiwan
| | - J Lan
- College of Medicine, Chang Gung University, Kaohsiung, Taiwan.,Department of Pathology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Y-W Chang
- Department of Dermatology, Chiayi Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - P-L Sun
- Department of Dermatology, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan, Taiwan.,College of Medicine, Chang Gung University, Taoyuan, Taiwan
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Jiang T, Amadei CA, Lin Y, Gou N, Rahman SM, Lan J, Vecitis CD, Gu AZ. Dependence of Graphene Oxide (GO) Toxicity on Oxidation Level, Elemental Composition, and Size. Int J Mol Sci 2021; 22:ijms221910578. [PMID: 34638921 PMCID: PMC8508828 DOI: 10.3390/ijms221910578] [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] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/26/2021] [Accepted: 09/27/2021] [Indexed: 11/16/2022] Open
Abstract
The mass production of graphene oxide (GO) unavoidably elevates the chance of human exposure, as well as the possibility of release into the environment with high stability, raising public concern as to its potential toxicological risks and the implications for humans and ecosystems. Therefore, a thorough assessment of GO toxicity, including its potential reliance on key physicochemical factors, which is lacking in the literature, is of high significance and importance. In this study, GO toxicity, and its dependence on oxidation level, elemental composition, and size, were comprehensively assessed. A newly established quantitative toxicogenomic-based toxicity testing approach, combined with conventional phenotypic bioassays, were employed. The toxicogenomic assay utilized a GFP-fused yeast reporter library covering key cellular toxicity pathways. The results reveal that, indeed, the elemental composition and size do exert impacts on GO toxicity, while the oxidation level exhibits no significant effects. The UV-treated GO, with significantly higher carbon-carbon groups and carboxyl groups, showed a higher toxicity level, especially in the protein and chemical stress categories. With the decrease in size, the toxicity level of the sonicated GOs tended to increase. It is proposed that the covering and subsequent internalization of GO sheets might be the main mode of action in yeast cells.
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Affiliation(s)
- Tao Jiang
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA 02115, USA; (T.J.); (N.G.); (S.M.R.); (J.L.)
| | - Carlo Alberto Amadei
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA; (C.A.A.); (C.D.V.)
| | - Yishan Lin
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA 02115, USA; (T.J.); (N.G.); (S.M.R.); (J.L.)
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210046, China
- Correspondence: (Y.L.); (A.Z.G.)
| | - Na Gou
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA 02115, USA; (T.J.); (N.G.); (S.M.R.); (J.L.)
- School of Civil and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Sheikh Mokhlesur Rahman
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA 02115, USA; (T.J.); (N.G.); (S.M.R.); (J.L.)
- Department of Civil Engineering, Bangladesh University of Engineering and Technology, Dhaka 1000, Bangladesh
| | - Jiaqi Lan
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA 02115, USA; (T.J.); (N.G.); (S.M.R.); (J.L.)
- Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Chad D. Vecitis
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA; (C.A.A.); (C.D.V.)
| | - April Z. Gu
- School of Civil and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
- Correspondence: (Y.L.); (A.Z.G.)
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Jiang T, Lin Y, Amadei CA, Gou N, Rahman SM, Lan J, Vecitis CD, Gu AZ. Comparative and mechanistic toxicity assessment of structure-dependent toxicity of carbon-based nanomaterials. J Hazard Mater 2021; 418:126282. [PMID: 34111749 PMCID: PMC10631494 DOI: 10.1016/j.jhazmat.2021.126282] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 05/19/2021] [Accepted: 05/30/2021] [Indexed: 06/12/2023]
Abstract
The wide application of carbon-based nanomaterials (CNMs) has resulted in the ubiquity of CNMs in the natural environment and they potentially impose adverse consequences on ecosystems and human health. In this study, we comprehensively evaluated and compared potential toxicological effects and mechanisms of seven CNMs in three representative types (carbon blacks, graphene nanoplatelets, and fullerenes), to elucidate the correlation between their physicochemical/structural properties and toxicity. We employed a recently-developed quantitative toxicogenomics-based toxicity testing system with GFP-fused yeast reporter library targeting main cellular stress response pathways, as well as conventional phenotype-based bioassays. The results revealed that DNA damage, oxidative stress, and protein stress were the major mechanisms of action for all the CNMs at sub-cytotoxic concentration levels. The molecular toxicity nature were concentration-dependent, and they exhibited both similarity within the same structural group and distinctiveness among different CNMs, evidencing the structure-driven toxicity of CNMs. The toxic potential based on toxicogenomics molecular endpoints revealed the remarkable impact of size and structure on the toxicity. Furthermore, the phenotypic endpoints derived from conventional phenotype-based bioassays correlated with quantitative molecular endpoints derived from the toxicogenomics assay, suggesting that the selected protein biomarkers captured the main cellular effects that are associated with phenotypic adverse outcomes.
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Affiliation(s)
- Tao Jiang
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Ave, Boston, MA 02115, United States
| | - Yishan Lin
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Ave, Boston, MA 02115, United States; State Key Laboratory of Pollution Control & Resource Reuse, School of the Environment, Nanjing University, Nanjing, China
| | - Carlo Alberto Amadei
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, United States
| | - Na Gou
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Ave, Boston, MA 02115, United States; School of Civil and Environmental Engineering, Cornell University, 220 Hollister Dr., Ithaca, NY 14853, United States
| | - Sheikh Mokhlesur Rahman
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Ave, Boston, MA 02115, United States; Department of Civil Engineering, Bangladesh University of Engineering and Technology, BUET Central Road, Dhaka 1000, Bangladesh
| | - Jiaqi Lan
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Ave, Boston, MA 02115, United States; Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Chad D Vecitis
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, United States
| | - April Z Gu
- School of Civil and Environmental Engineering, Cornell University, 220 Hollister Dr., Ithaca, NY 14853, United States.
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Jiang M, Gao H, Liu X, Wang YU, Lan J, Li Y, Lv S, Zhu K, Gong P. Detection of Pesticide Residues in Vegetables Sold in Changchun City, China. J Food Prot 2021; 84:481-489. [PMID: 33108463 DOI: 10.4315/jfp-20-236] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [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: 06/30/2020] [Accepted: 10/22/2020] [Indexed: 11/11/2022]
Abstract
ABSTRACT We evaluated fresh vegetables for residues of 18 pesticides with different chemical structures, including organochlorine pesticides, organophosphorus pesticides, carbamate pesticides, and pyrethroid pesticides and estimated that the potential health risks for consumers. A total of 313 samples were collected from 12 kinds of vegetables in Changchun, the capital of Jilin Province, People's Republic of China. Pesticide residues were analyzed by gas chromatography and mass spectrometry, and the curves were highly linear at 0.01 to 1.00 μg/mL (R2 ≥ 0.99). The mean recovery rate of the pesticides was 62 to 110% (relative standard deviation of <5%). The limit of detection was 0.0001 to 0.0167 mg/kg, the limit of quantification was 0.0002 to 0.0556 mg/kg, and the overall detection rate was 28.43%. The prevalence of pesticides and of samples above the standard limit were highest in celery, the prevalence of pesticides was lowest in potatoes, and the prevalence of samples above the standard limit was lowest in cucumber. Three of the 18 pesticides were not detected: omethoate, chlorpyrifos, and fenvalerate. Among the 15 pesticides detected, the maximum risk factor of six (carbofuran, omethoate, phorate, dicofol, dimethoate, and dichlorvos) is >1, indicating possible harm to human health. Residues of a single pesticide may not adversely affect a person's health, but multiple pesticide residues could present a health risk. HIGHLIGHTS
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Affiliation(s)
- Mengmeng Jiang
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun 130012, People's Republic of China
| | - Haicheng Gao
- School of Pharmaceutical Sciences, Jilin University, Changchun 130021, People's Republic of China
| | - Xinxin Liu
- School of Food Engineering, Jilin Engineering Normal University, Changchun 130052, People's Republic of China
| | - Y U Wang
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun 130012, People's Republic of China
| | - Jiaqi Lan
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun 130012, People's Republic of China
| | - Yuanxiang Li
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun 130012, People's Republic of China
| | - Shaowu Lv
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun 130012, People's Republic of China
| | - Ketong Zhu
- School of Food Engineering, Jilin Engineering Normal University, Changchun 130052, People's Republic of China
| | - Pingsheng Gong
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, School of Life Science, Jilin University, Changchun 130012, People's Republic of China
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Wang W, Qiu J, Qu P, Chen H, Lan J, Chen H, Li L, Gu M. Regulator of cullins-1 (ROC1) negatively regulates the Gli2 regulator SUFU to activate the hedgehog pathway in bladder cancer. Cancer Cell Int 2021; 21:75. [PMID: 33499884 PMCID: PMC7836478 DOI: 10.1186/s12935-021-01775-5] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 01/16/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The regulator of cullins-1 (ROC1) is an essential subunit in the cullin-RING ligase (CRL) protein complex and has been shown to be critical in bladder cancer cell survival and progression. This study aimed to explore the molecular mechanism of ROC1 action in the malignant progression of bladder cancer. METHODS This study utilized ex vivo, in vitro, and in vivo nude mouse experiments to assess the underlying mechanisms of ROC1 in bladder cancer cells. The expression of the components of the sonic hedgehog (SHH) pathway was determined by western blot analysis. ROC1 expression in human tumors was evaluated by immunohistochemistry. RESULTS ROC1 overexpression promoted the growth of bladder cancer cells, whereas knockdown of ROC1 expression had the opposite effect in bladder cancer cells. Mechanistically, ROC1 was able to target suppressor of fused homolog (SUFU) for ubiquitin-dependent degradation, allowing Gli2 release from the SUFU complex to activate the SHH pathway. Furthermore, knockdown of SUFU expression partially rescued the ROC1 knockdown-suppressed SHH activity as well as cancer cell growth inhibition. In ex vivo experiments, tissue microarray analysis of human bladder cancer specimens revealed a positive association of ROC1 expression with the SHH pathway activity. CONCLUSION This study demonstrated that dysregulation of the ROC1-SUFU-GLI2 axis plays an important role in bladder cancer progression and that targeting ROC1 expression is warranted in further investigations as a novel strategy for the future control of bladder cancer.
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Affiliation(s)
- W Wang
- Department of Urology, Jiangsu Provincial People's Hospital, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, China.,Department of Urology, Yancheng First People's Hospital, The Yancheng Clinical College of Xuzhou Medical University, Yancheng, 224000, Jiangsu, China
| | - J Qiu
- Department of Urology, Shanghai First People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200080, China
| | - P Qu
- Department of Urology, Yancheng First People's Hospital, The Yancheng Clinical College of Xuzhou Medical University, Yancheng, 224000, Jiangsu, China
| | - H Chen
- Department of Haematology, Yancheng First People's Hospital, The Yancheng Clinical College of Xuzhou Medical University, Yancheng, 224000, Jiangsu, China
| | - J Lan
- Department of Pathology, Yancheng First People's Hospital, The Yancheng Clinical College of Xuzhou Medical University, Yancheng, 224000, Jiangsu, China
| | - H Chen
- Department of Pathology, Yancheng First People's Hospital, The Yancheng Clinical College of Xuzhou Medical University, Yancheng, 224000, Jiangsu, China
| | - L Li
- Translational Medicine Center, Yancheng First People's Hospital, The Yancheng Clinical College of Xuzhou Medical University, Yancheng, 224000, Jiangsu, China
| | - M Gu
- Department of Urology, Jiangsu Provincial People's Hospital, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, China.
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Wang H, Huang L, Wu L, Lan J, Feng X, Li P, Peng Y. The MMP-2/TIMP-2 System in Alzheimer Disease. CNS Neurol Disord Drug Targets 2020; 19:402-416. [PMID: 32787764 DOI: 10.2174/1871527319666200812223007] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 06/28/2020] [Accepted: 06/29/2020] [Indexed: 11/22/2022]
Abstract
Alzheimer Disease (AD) is the most prevalent type of dementia. Pathological changes in the AD brain include Amyloid β-protein (Aβ) plaques and Neurofibrillary Tangles (NFTs), as well as extensive neuronal and synaptic loss. Matrix Metalloproteinase-2 (MMP-2) is a neutral, zinc-dependent protease that primarily targets extracellular matrix proteins. MMP-2 activity is strictly controlled, and its dysregulation has been implicated in a variety of pathologies, including AD. In this brief review, we discussed the contributions of dysregulated MMP-2 activity and an imbalanced interaction between MMP-2 and its endogenous inhibitor, Tissue Inhibitors of Metalloproteinase-2 (TIMP-2), to AD. We also described the underlying mechanisms of the effects of MMP-2/TIMP-2, both beneficial and detrimental, on AD, including: (1) MMP-2 directly degrades Aβ resulting in the clearance of Aβ deposits. Conversely, Aβ-induced MMP-2 may contribute to brain parenchymal destruction. (2) MMP-2 induces breakdown of BBB, and this deleterious effect could be reversed by TIMP-2. (3) MMP-2 disrupts oxidative homeostasis in AD. (4) MMP-2 has both proinflammatory/pro-angiogenetic and antiinflammatory/ anti-angiogenetic effects on AD. Besides, we discuss the clinical utility of MMP- 2/TIMP-2 as therapeutic targets for AD.
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Affiliation(s)
- Hongyue Wang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Longjian Huang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Lei Wu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Jiaqi Lan
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Xinhong Feng
- Department of Neurology, Beijing Tsinghua Changgeng Hospital, Beijing 102218, China
| | - Pingping Li
- China National Center for Biotechnology Development, Beijing 100039, China
| | - Ying Peng
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
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Huang E, Juan K, Lan J, Juan Y, Juang P, Yao C, Chang Y. PO-1306: Pilot study: Characteristics of N-isopropyl acrylamide polymer gel dosimetry with proton beam. Radiother Oncol 2020. [DOI: 10.1016/s0167-8140(21)01324-4] [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: 10/22/2022]
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Li X, Huang L, Lan J, Feng X, Li P, Wu L, Peng Y. Molecular mechanisms of mitophagy and its roles in neurodegenerative diseases. Pharmacol Res 2020; 163:105240. [PMID: 33053441 DOI: 10.1016/j.phrs.2020.105240] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 09/30/2020] [Accepted: 10/04/2020] [Indexed: 12/21/2022]
Abstract
Neurodegenerative diseases are the most common diseases of the nervous system in elderly people, which are currently incurable and cause great burden to families and societies. Mitochondria are the energy factory of the cell and have extremely important effects on neuronal function. The elimination of dysfunctional mitochondria is essential for the mitochondrial metabolic homeostasis, energy supply, and neuronal survival. Recent studies suggest that the impaired mitophagy may lead to the accumulation of damaged mitochondria and therefore contribute to the progression of neurodegenerative diseases. This review mainly focuses on mitophagy, mitochondrial dynamics, and their abnormal changes in neurodegenerative diseases, as well as the therapeutic strategies targeting mitophagy that have shown promise in recent preclinical and clinical studies.
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Affiliation(s)
- Xinnan Li
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Longjian Huang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Jiaqi Lan
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Xinhong Feng
- Department of Neurology, Beijing Tsinghua Changgung Hospital, Beijing 102218, China
| | - Pingping Li
- China National Center for Biotechnology Development, Beijing 100039, China
| | - Lei Wu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.
| | - Ying Peng
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.
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Ning SL, Zhu H, Shao J, Liu YC, Lan J, Miao J. MiR-21 inhibitor improves locomotor function recovery by inhibiting IL-6R/JAK-STAT pathway-mediated inflammation after spinal cord injury in model of rat. Eur Rev Med Pharmacol Sci 2020; 23:433-440. [PMID: 30720148 DOI: 10.26355/eurrev_201901_16852] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE To investigate the function of miRNA-21 and interleukin-6 receptor/Janus Kinase-Signal transducer and activator of transcription (IL-6R/JAK-STAT) pathway in microglia on inflammatory responses after spinal cord injury (SCI). MATERIALS AND METHODS This study first detected respectively the protein level of inflammatory factor inducible nitric oxide synthase (iNOS) and tumor necrosis factor alpha (TNF-α) by Western blotting after transfection of miR-21 or administration of miR-21 inhibitor in activated microglia cells of rat in vitro. The quantitative Real-time polymerase chain reaction (qRT-PCR) was utilized to detect the expression of IL-6R under two different interventions. Next, we established a model of spinal cord injury in rat and inspected miR-21 and IL-6R in SCI rat by qRT-PCR. In addition, the protein levels of iNOS and TNF-α in SCI rat were detected by Western blotting. MiR-21 inhibitor was injected into the injured area of SCI rat to delve into the function of miR-21 down-expression on iNOS and TNF-α expression by Western blot as well as the RNA levels of IL-6R, JAK and STAT3 by qRT-PCR. Furthermore, the SCI rat with movement and coordination of hindlimbs was observed by Basso-Beattie-Bresnahan locomotor rating scale (BBB scale) after miR-21 down-expression. RESULTS Compared with the microglia transfected with miR-21, the execution of inhibitor in microglia effectively relieved the expression of IL-6R and the breakout of iNOS and TNF-α. Meanwhile, the increase of miR-21 was significantly observed in SCI rat along with significant improvement of inflammatory response-related factors including iNOS and TNF-α. After that, we injected SCI rat with miR-21 inhibitor into the spinal cord injury area and found the inhibition of miR-21 decreased the protein levels of iNOS and TNF-α. Simultaneously, down-expression of miR-21 evidently declined the RNA levels of IL-6R, JAK, and STAT3 in SCI rat. Compared with the sham-operated rat, the movement and coordination of hindlimbs of the SCI group displayed dramatic dysfunction. However, miR-21 down-expression elevated the movement and coordination of hindlimbs of the SCI rat than those of the only injury group. CONCLUSIONS Inhibition of miR-21 can promote the recovery of spinal cord injury by down-regulating IL-6R/JAK-STAT signaling pathway and inhibiting inflammation.
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Affiliation(s)
- S-L Ning
- Department of Spine Surgery, Tianjin Hospital, Tianjin, China.
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Lan J, Du H, Li Y, Zhang Y, Tao J. 003 Dextran-based acitretin nanoparticle ameliorates imiquimod-induced psoriasis-like skin inflammation. J Invest Dermatol 2020. [DOI: 10.1016/j.jid.2020.03.005] [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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Du H, Lan J, Liu P, Zhu J, Tao J. 004 Localized administration of methotrexate regulates psoriasis-like skin inflammation and protects from secondary sensitization at a distant site. J Invest Dermatol 2020. [DOI: 10.1016/j.jid.2020.03.006] [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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Dong L, Yang L, Li Y, Yang J, An X, Yang L, Zhou N, Zhang Y, Du H, Lan J, Song Z, Miao X, Zhu J, Tao J. Efficacy of hydrogel patches in preventing facial skin damage caused by mask compression in fighting against coronavirus disease 2019: a short-term, self-controlled study. J Eur Acad Dermatol Venereol 2020; 34:e441-e443. [PMID: 32421878 PMCID: PMC7276886 DOI: 10.1111/jdv.16638] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- L Dong
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, China.,Hubei Engineering Research Center for Skin Repair and Theranostics, Wuhan, China
| | - L Yang
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, China.,School of Medicine, Hunan Normal University, Changsha, China
| | - Y Li
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, China.,Hubei Engineering Research Center for Skin Repair and Theranostics, Wuhan, China
| | - J Yang
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, China.,Hubei Engineering Research Center for Skin Repair and Theranostics, Wuhan, China
| | - X An
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, China.,Hubei Engineering Research Center for Skin Repair and Theranostics, Wuhan, China
| | - L Yang
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, China.,Hubei Engineering Research Center for Skin Repair and Theranostics, Wuhan, China
| | - N Zhou
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, China.,Hubei Engineering Research Center for Skin Repair and Theranostics, Wuhan, China
| | - Y Zhang
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, China.,Hubei Engineering Research Center for Skin Repair and Theranostics, Wuhan, China
| | - H Du
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, China.,Hubei Engineering Research Center for Skin Repair and Theranostics, Wuhan, China
| | - J Lan
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, China.,Hubei Engineering Research Center for Skin Repair and Theranostics, Wuhan, China
| | - Z Song
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, China.,The Second Clinical Medical College, Chongqing Medical University, Chongqing, China
| | - X Miao
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, HUST, Wuhan, China
| | - J Zhu
- School of Chemistry and Chemical Engineering, HUST, Wuhan, China
| | - J Tao
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, China.,Hubei Engineering Research Center for Skin Repair and Theranostics, Wuhan, China
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Jiang T, Amadei CA, Gou N, Lin Y, Lan J, Vecitis CD, Gu AZ. Toxicity of Single-Walled Carbon Nanotubes (SWCNTs): Effect of Lengths, Functional Groups and Electronic Structures Revealed by a Quantitative Toxicogenomics Assay. Environ Sci Nano 2020; 7:1348-1364. [PMID: 33537148 PMCID: PMC7853656 DOI: 10.1039/d0en00230e] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Single-walled carbon nanotubes (SWCNTs) are a group of widely used carbon-based nanomaterials (CNMs) with various applications, which raise increasing public concerns associated with their potential toxicological effect and risks on human and ecosystems. In this report, we comprehensively evaluated the nanotoxicity of SWCNTs with their relationship to varying lengths, functional groups and electronic structures, by employing both newly established quantitative toxicogenomics test, as well as conventional phenotypic bioassays. The objective is to reveal potential cellular toxicity and mechanisms of SWCNTs at the molecular level, and to probe their potential relationships with their morphological, surface, and electronic properties. The results indicated that DNA damage and oxidative stress were the dominant mechanisms of action for all SWCNTs and, the toxicity level and characteristics varied with length, surface functionalization and electronic structure. Distinguishable molecular toxicity fingerprints were revealed for the two SWCNTs with varying length, with short SWCNT exhibiting higher toxicity level than the long one. In terms of surface properties, SWCNT functionalization, namely carboxylation and hydroxylation, led to elevated overall toxicity, especially genotoxicity, as compared to unmodified SWCNT. Carboxylated SWCNT induced a greater toxicity than the hydroxylated SWCNT. The nucleus is likely the primary target site for long, short, and carboxylated SWCNTs and mechanical perturbation is likely responsible for the DNA damage, specifically related to degradation of the DNA double helix structure. Finally, dramatically different electronic structure-dependent toxicity was observed with metallic SWCNT exerting much higher toxicity than the semiconducting one that exhibited minimal toxicity among all SWCNTs.
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Affiliation(s)
- Tao Jiang
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Ave, Boston, MA 02115
| | - Carlo Alberto Amadei
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138
| | - Na Gou
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Ave, Boston, MA 02115
- School of Civil and Environmental Engineering, Cornell University, 220 Hollister Dr., Ithaca, NY 14853
| | - Yishan Lin
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Ave, Boston, MA 02115
- School of Civil and Environmental Engineering, Cornell University, 220 Hollister Dr., Ithaca, NY 14853
| | - Jiaqi Lan
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Ave, Boston, MA 02115
- Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
- Corresponding authors: ,
| | - Chad D. Vecitis
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138
| | - April Z. Gu
- School of Civil and Environmental Engineering, Cornell University, 220 Hollister Dr., Ithaca, NY 14853
- Corresponding authors: ,
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Ren H, Huo F, Wang Z, Liu F, Dong X, Wang F, Fan X, Yuan M, Jiang X, Lan J. Sdccag3 Promotes Implant Osseointegration during Experimental Hyperlipidemia. J Dent Res 2020; 99:938-948. [PMID: 32339468 DOI: 10.1177/0022034520916400] [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] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Hyperlipidemia adversely affects bone metabolism, often resulting in compromised osseointegration and implant loss. In addition, genetic networks associated with osseointegration have been proposed. Serologically defined colon cancer antigen 3 (Sdccag3) is a novel endosomal protein that functions in actin cytoskeleton remodeling, protein trafficking and secretion, cytokinesis, and apoptosis, but its roles in the osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) and in implant osseointegration under hyperlipidemic conditions have not been uncovered. Here, we performed microarray and RNA sequencing analysis to determine the differential expression of the Sdccag3 gene and related noncoding RNAs (ncRNAs) and to assess the long noncoding RNA (lncRNA) MSTRG.97162.4-miR-193a-3p-Sdccag3 coexpression network in bone tissues within the region 0.5 mm around implants in hyperlipidemic rats. In this experiment, we found that Sdccag3 and the previously uncharacterized lncRNA-MSTRG.97162.4 were downregulated during hyperlipidemia, while miR-193a-3p was upregulated. Sdccag3 overexpression increased new trabecular formation, the bone volume/total volume (BV/TV) (1.24-fold), and bone-implant combination ratio (BIC%) (1.26-fold). An RNA pulldown experiment revealed that Sdccag3 protein targeted lncRNA-MSTRG.97162.4 nucleotides 361 to 389. In addition, lncRNA-MSTRG.97162.4 overexpression significantly enhanced Sdccag3 (2.78-fold) expression and increased BV/TV (1.45-fold) and BIC% (1.07-fold) at the bone-implant interface. Taken together, these findings indicate that Sdccag3 overexpression enhances implant osseointegration under hyperlipidemic conditions by binding to lncRNA-MSTRG.97162.4. Furthermore, miR-193a-3p overexpression inhibited lncRNA-MSTRG.97162.4 (0.63-fold) and Sdccag3 (0.88-fold) expression and induced poor implant osseointegration (BV/TV, 0.86-fold; BIC%, 0.82-fold), while miR-193a-3p downregulation produced the opposite results (lncRNA-MSTRG.97162.4, 10.69-fold; Sdccag3, 6.96-fold; BV/TV, 1.20-fold; BIC%, 1.26-fold). Therefore, our findings show that Sdccag3 promotes implant osseointegration, and its related lncRNA-MSTRG.97162.4 and miR-193a-3p play an important role in osseointegration during hyperlipidemia, which might be a promising therapeutic target for improving dental implantation success rates.
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Affiliation(s)
- H Ren
- Department of Prosthodontics, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - F Huo
- Department of Prosthodontics, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - Z Wang
- Department of Pediatric Dentistry, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - F Liu
- Central Laboratory, Peking University School and Hospital of Stomatology, Haidian District, Beijing, China
| | - X Dong
- State Key Laboratory Breeding Base of Basic Science of Stomotology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomotology, Wuhan University, Wuhan, Hubei, China
| | - F Wang
- Department of Prosthodontics, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - X Fan
- Department of Prosthodontics, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - M Yuan
- Department of Prosthodontics, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - X Jiang
- Department of Prosthodontics, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - J Lan
- Department of Prosthodontics, School and Hospital of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
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Lan J, Wen J, Cao S, Yin T, Jiang B, Lou Y, Zhu J, An X, Suo H, Li D, Zhang Y, Tao J. The diagnostic accuracy of dermoscopy and reflectance confocal microscopy for amelanotic/hypomelanotic melanoma: a systematic review and meta‐analysis. Br J Dermatol 2019; 183:210-219. [DOI: 10.1111/bjd.18722] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/18/2019] [Indexed: 12/23/2022]
Affiliation(s)
- J. Lan
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - J. Wen
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - S. Cao
- School of Public Health Tongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - T. Yin
- Department of Biliary‐Pancreatic Surgery Affiliated Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - B. Jiang
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - Y. Lou
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - J. Zhu
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - X. An
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - H. Suo
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - D. Li
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - Y. Zhang
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
| | - J. Tao
- Department of Dermatology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
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Wang FL, Li DD, Huang X, Liu F, Liu QB, Lan J. [miR-29c-3p targeted dishevelled 2 on osteogenesis differentiation of rat bone marrow mesenchymal stem cells in high-fat environment]. Zhonghua Kou Qiang Yi Xue Za Zhi 2019; 53:694-700. [PMID: 30392227 DOI: 10.3760/cma.j.issn.1002-0098.2018.10.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To study the different expression of 4 microRNA (miRNA, miR) during the osteogenesis differentiation of bone marrow mesenchymal stem cell (BMSC) cultured in high-fat or normal environment and to explore the relationship of these miRNAs with disheveled 2 during osteogenesis differentiation. Methods: BMSC were cultured with 2 ml normal osteogenic induction (control group) and high-fat osteogenic induction (high-fat group) respectively. On the 3rd, 5th, 7th,14th, 21st day, quantitative real-time PCR (qPCR) was used to analyze expression levels of four miRNAs (miR-21-5p, miR-29c-3p, miR-138-5p and miR-351-5p), mRNA of disheveled 2, osteogenic related factors such as alkaline phosphatase (ALP), Runt-related transcription gene 2 (Runx2). And the protein was detected by Western blotting. After BMSC were transfected by 50 μl 50 nmol/L miRNA mimics/inhibitors/negative controls respectively, BMSC were put on osteogenic induction, on the 1st, 3rd, 5th, 7th day, ALP activity was detected. On the 7th day, ALP staining was to observe the degree of osteogenesis differentiation, and Western blotting was adopted to analyze the expression of dishevelled 2 and other osteogenic related factors, while qPCR was used to analyze the expression of disheveled 2 mRNA. After 293T cells were co-transfected with disheveled 2 wild-type/mutant firefly luciferase reporter plasmid with either negative control (NC) or a mimic of these four miRNAs respectively for 48 h, luciferase activities were measured. Results: On the 21th day, the expressions of miR-21-5p, miR-29c-3p, miR-138-5p and miR-351-5p in high-fat groups were higher by 20%, 60%, 340% and 4 420% respectively than those in control groups (P<0.05). The expression of ALP and Runx2 in BMSC decreased after BMSC transfected miR-21-5p and miR-29c-3p mimics, while increased after transfected miR-21-5p and miR-29c-3p inhibitors. The expression of disheveled 2 decreased by 35% after transfected by miR-29c-3p mimic, while it increased by 269% after transfected by miR-29c-3p inhibitor (P<0.05). Transfection of the miR-29c-3p mimics significantly decreased the luciferase activity of wild-type 3'-UTR compared with NC control (P<0.05). There were no statistical significances among other groups. Conclusions: miRNAs had better expression during osteogenesis differentiation of BMSC in high-fat environment; miR-29c-3p could negatively regulate the osteogenesis differentiation of BMSC by targets on dishevelled 2.
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Affiliation(s)
- F L Wang
- Department of Prosthodontics, School of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan 250012, China
| | - D D Li
- Department of Prosthodontics, School of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan 250012, China (Present address: Department of Prosthodontics, Stomatological Hospital of Tai'an, Tai'an Shandong 271000, China)
| | - X Huang
- Department of Prosthodontics, School of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan 250012, China
| | - F Liu
- Department of Prosthodontics, School of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan 250012, China
| | - Q B Liu
- Department of Prosthodontics, School of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan 250012, China
| | - J Lan
- Department of Prosthodontics, School of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan 250012, China
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Sun GP, Jiang T, Xie PF, Lan J. [Identification of the Disease-Associated Genes in Periodontitis Using the Co-expression Network]. Mol Biol (Mosk) 2018; 50:143-50. [PMID: 27028820 DOI: 10.7868/s0026898416010195] [Citation(s) in RCA: 2] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Accepted: 02/18/2015] [Indexed: 11/23/2022]
Abstract
The aim of this study was to investigate the disease-associated genes in periodontitis. In the present experiments, the topological analysis of the differential co-expression network was proposed. Using the GSE16134 dataset downloaded from the European Molecular Biology Laboratory-European Bioinformatics Institute, a co-expression network was constructed after the differentially expressed genes (DEGs) were identified between the diseased (242 samples) and healthy (69 samples) gingival tissues from periodontitis patients. The topological properties of the modules obtained from the network as well as an analysis of transcription factors (TFs) were used to determine the disease-associated genes. The gene ontology and pathway enrichment analysis was performed to investigate the underlying mechanisms of these disease related genes. A total of 524 DEGs, including 19 TFs were identified and a co-expression network with 2569 edges was obtained. Among the 7 modules gained in the network, the TFs (ZNF215, ZEN273, NFAT5, TRPS1, MEF2C and FLI1) were considered to be important in periodontitis. The functional and pathway enrichment analysis revealed that the DEGs were highly involved in the immune system. The co-expression network analysis and TFs identified in periodontitis may provide opportunities for biomarker development and novel insights into the therapeutics of periodontitis.
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Affiliation(s)
- G P Sun
- Department of Stomatology, the Third Hospital of Ji'nan, Ji'nan, Shandong, China.,
| | - T Jiang
- General Department, Ji'nan Stomatological Hospital, Ji'nan, Shandong, China
| | - P F Xie
- Department of Oral and Maxillofacial Surgery, Ji'nan Stomatological Hospital, Ji'nan, Shandong, China
| | - J Lan
- Department of Prosthodontics, College of Stomatology, Shandong University, Ji'nan, Shandong, China
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Liu X, Yang CY, Miao R, Zhou CL, Cao PH, Lan J, Zhu XJ, Mou CL, Huang YS, Liu SJ, Tian YL, Nguyen TL, Jiang L, Wan JM. DS1/OsEMF1 interacts with OsARF11 to control rice architecture by regulation of brassinosteroid signaling. Rice (N Y) 2018; 11:46. [PMID: 30084027 PMCID: PMC6082143 DOI: 10.1186/s12284-018-0239-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 07/27/2018] [Indexed: 05/05/2023]
Abstract
BACKGROUND Plant height and leaf angle are important determinants of yield in rice (Oryza sativa L.). Genes involved in regulating plant height and leaf angle were identified in previous studies; however, there are many remaining unknown factors that affect rice architecture. RESULTS In this study, we characterized a dwarf mutant named ds1 with small grain size and decreased leaf angle,selected from an irradiated population of ssp. japonica variety Nanjing35. The ds1 mutant also showed abnormal floral organs. ds1 plants were insensitive to BL treatment and expression of genes related to BR signaling was changed. An F2 population from a cross between ds1 and indica cultivar 93-11 was used to fine map DS1 and to map-based clone the DS1 allele, which encoded an EMF1-like protein that acted as a transcriptional regulator. DS1 was constitutively expressed in various tissues, and especially highly expressed in young leaves, panicles and seeds. We showed that the DS1 protein interacted with auxin response factor 11 (OsARF11), a major transcriptional regulator of plant height and leaf angle, to co-regulate D61/OsBRI1 expression. These findings provide novel insights into understanding the molecular mechanisms by which DS1 integrates auxin and brassinosteroid signaling in rice. CONCLUSION The DS1 gene encoded an EMF1-like protein in rice. The ds1 mutation altered the expression of genes related to BR signaling, and ds1 was insensitive to BL treatment. DS1 interacts with OsARF11 to co-regulate OsBRI1 expression.
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Affiliation(s)
- X Liu
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing, 210095, China
| | - C Y Yang
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing, 210095, China
| | - R Miao
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing, 210095, China
| | - C L Zhou
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing, 210095, China
| | - P H Cao
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing, 210095, China
| | - J Lan
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing, 210095, China
| | - X J Zhu
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing, 210095, China
| | - C L Mou
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing, 210095, China
| | - Y S Huang
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing, 210095, China
| | - S J Liu
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing, 210095, China
| | - Y L Tian
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing, 210095, China
| | - T L Nguyen
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing, 210095, China
| | - L Jiang
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing, 210095, China.
| | - J M Wan
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Plant Gene Engineering Research Center, Nanjing Agricultural University, Nanjing, 210095, China.
- National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
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Lan J, Rahman SM, Gou N, Jiang T, Plewa MJ, Alshawabkeh A, Gu AZ. Genotoxicity Assessment of Drinking Water Disinfection Byproducts by DNA Damage and Repair Pathway Profiling Analysis. Environ Sci Technol 2018; 52:6565-6575. [PMID: 29660283 PMCID: PMC6941474 DOI: 10.1021/acs.est.7b06389] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Genotoxicity is considered a major concern for drinking water disinfection byproducts (DBPs). Of over 700 DBPs identified to date, only a small number has been assessed with limited information for DBP genotoxicity mechanism(s). In this study, we evaluated genotoxicity of 20 regulated and unregulated DBPs applying a quantitative toxicogenomics approach. We used GFP-fused yeast strains that examine protein expression profiling of 38 proteins indicative of all known DNA damage and repair pathways. The toxicogenomics assay detected genotoxicity potential of these DBPs that is consistent with conventional genotoxicity assays end points. Furthermore, the high-resolution, real-time pathway activation and protein expression profiling, in combination with clustering analysis, revealed molecular level details in the genotoxicity mechanisms among different DBPs and enabled classification of DBPs based on their distinct DNA damage effects and repair mechanisms. Oxidative DNA damage and base alkylation were confirmed to be the main molecular mechanisms of DBP genotoxicity. Initial exploration of QSAR modeling using moleular genotoxicity end points (PELI) suggested that genotoxicity of DBPs in this study was correlated with topological and quantum chemical descriptors. This study presents a toxicogenomics-based assay for fast and efficient mechanistic genotoxicity screening and assessment of a large number of DBPs. The results help to fill in the knowledge gap in the understanding of the molecular mechanisms of DBP genotoxicity.
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Affiliation(s)
- Jiaqi Lan
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
- Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Sheikh Mokhlesur Rahman
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Na Gou
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Tao Jiang
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Micheal J. Plewa
- Safe Global Water Institute and Department of Crop Sciences, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - Akram Alshawabkeh
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - April Z. Gu
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
- School of Civil and Environmental Engineering, Cornell University, Ithaca, New York 14850, United States
- Corresponding Author:
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Huang ZF, Wang ZF, Li CH, Hao D, Lan J. [Application of plasma sprayed zirconia coating in dental implant: study in implant]. Zhonghua Kou Qiang Yi Xue Za Zhi 2018; 53:264-270. [PMID: 29690698 DOI: 10.3760/cma.j.issn.1002-0098.2018.04.010] [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: 06/08/2023]
Abstract
Objective: To investigate the osseointegration of a novel coating-plasma-sprayed zirconia in dental implant. Methods: Zirconia coating on non-thread titanium implant was prepared using plasma spraying, the implant surface morphology, surface roughness and wettability were measured. In vivo, zirconia coated implants were inserted in rabbit tibia and animals were respectively sacrificed at 2, 4, 8 and 12 weeks after implantation. The bond strength between implant and bone was measured by push-out test. The osseointegration was observed by scanning electron microscopy (SEM), micro CT and histological analyses. Quantified parameters including removal torque, and bone-implant contact (BIC) percentage were calculated. Results: The surface roughness (1.6 µm) and wettability (54.6°) of zirconia coated implant was more suitable than those of titanium implant (0.6 µm and 74.4°) for osseointegration. At 12 weeks, the push-out value of zirconia coated implant and titanium implant were (64.9±3.0) and (50.4±2.9) N, and BIC value of these two groups were (54.7±3.6)% and (41.5±3.6)%. All these differences had statistical significance. Conclusions: The surface characters of zirconia coated implant were more suitable for osseointegration and present better osseointegration than smooth titanium implant in vivo, especially at early stage.
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Affiliation(s)
- Z F Huang
- Department of Prosthodontics, School of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan 250012, China
| | - Z F Wang
- Department of Pediatric Dentistry, School of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan 250012, China
| | - C H Li
- Department of Prosthodontics, School of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan 250012, China
| | - D Hao
- Department of Prosthodontics, School of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan 250012, China (Present address: Department of Prosthodontics, Nantong Stomatological Hospital, Nantong Jiangsu 226000, China)
| | - J Lan
- Department of Prosthodontics, School of Stomatology, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan 250012, China
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Li P, Li J, Zhang R, Chen J, Wang W, Lan J, Xie Z, Jiang S. Duck "beak atrophy and dwarfism syndrome" disease complex: Interplay of novel goose parvovirus-related virus and duck circovirus? Transbound Emerg Dis 2018; 65:345-351. [PMID: 29341432 DOI: 10.1111/tbed.12812] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [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: 09/14/2017] [Indexed: 12/28/2022]
Abstract
As a newly emerged infectious disease, duck "beak atrophy and dwarfism syndrome (BADS)" disease has caused huge economic losses to waterfowl industry in China since 2015. Novel goose parvovirus-related virus (NGPV) is believed the main pathogen of BADS disease; however, BADS is rarely reproduced by infecting ducks with NGPV alone. As avian circovirus infection causes clinical symptoms similar to BADS, duck circovirus (DuCV) is suspected the minor pathogen of BADS disease. In this study, an investigation was carried out to determine the coinfection of NGPV and DuCV in duck embryos and in ducks with BADS disease. According to our study, the coinfection of emerging NGPV and DuCV was prevalent in East China (Shandong, Jiangsu and Anhui province) and could be vertical transmitted, indicating their cooperative roles in duck BADS disease.
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Affiliation(s)
- P Li
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Taian, China
| | - J Li
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, China
| | - R Zhang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Taian, China
| | - J Chen
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Taian, China
| | - W Wang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Taian, China
| | - J Lan
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Taian, China
| | - Z Xie
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Taian, China
| | - S Jiang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, China.,Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian, China.,Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Taian, China
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Bai J, Zhang Y, Wang YF, Lan J, Li XQ. [Overexpression of TRPV1 after periphery nerve injury attenuates nerve regeneration in rats]. Zhonghua Bing Li Xue Za Zhi 2017; 46:847-852. [PMID: 29224279 DOI: 10.3760/cma.j.issn.0529-5807.2017.12.007] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To observe the effect of the expressive or functional blockage of TRPV1 on nerve regeneration after sciatic trans-section injury. Methods: AMG-517, a kind of TRPV1 inhibitor, was injected into the surrounding area of the ipsilateral lumbar dorsal root ganglia while unilateral sciatic nerve was transected. A total of 24 healthy male Sprague-Dawley rats were divided into 4 groups: control group, injury only group, injury+ AMG-517 150 μg/kg group, injury+ AMG-517 300 μg/kg group. The injury only group was injected the same volume of medium. The release of CGRP from dorsal-horn of spinal cord, the number of axons at proximal stem of sciatic nerve after transection, and the expression of TRPV1 in dorsal root ganglion were detected using the methods of ELISA, Western blot and semi-thin section (1 μm)- toluidine blue staining 2 weeks after injury. Results: The release of CGRP in lumbar spinal dorsal horn was obviously decreased after AMG-517 treatment, which was the evidence of TRPV1 functional inhibition. CGRP in the control group was 0.15 ng/g, the injury only group 0.17 ng/g, AMG-517 150 μg/kg group 0.09 ng/g, and AMG-517 300 μg/kg group 0.11 ng/g(P<0.01). The number of axons which were myelinated or unmyelinated increased after the TRPV1 was inhibited by AMG-517(P<0.01). In addition, the injection of AMG-517 into surrounding dorsal root ganglion decreased the expression of TRPV1 in dorsal root ganglion(P<0.01). Conclusions: Over expression or activation of TRPV1 after periphery nerve injury has negative effect on nerve regeneration in fact; Inhibiting the over-expression or over-activation of TRPV1 after nerve injury facilitates axonal regeneration and nerve repair.
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Affiliation(s)
- J Bai
- Department of Pathophysiology, Shanxi Medical University, Taiyuan 030001, China
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Li P, Lin S, Zhang R, Chen J, Sun D, Lan J, Song S, Xie Z, Jiang S. Isolation and characterization of novel goose parvovirus-related virus reveal the evolution of waterfowl parvovirus. Transbound Emerg Dis 2017; 65:e284-e295. [DOI: 10.1111/tbed.12751] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Indexed: 11/28/2022]
Affiliation(s)
- P. Li
- Department of Preventive Veterinary Medicine; College of Veterinary Medicine; Shandong Agricultural University; Taian China
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention; Taian China
- Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention; Shandong Agricultural University; Taian China
| | - S. Lin
- Department of Preventive Veterinary Medicine; College of Veterinary Medicine; Shandong Agricultural University; Taian China
| | - R. Zhang
- Department of Preventive Veterinary Medicine; College of Veterinary Medicine; Shandong Agricultural University; Taian China
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention; Taian China
- Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention; Shandong Agricultural University; Taian China
| | - J. Chen
- Department of Preventive Veterinary Medicine; College of Veterinary Medicine; Shandong Agricultural University; Taian China
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention; Taian China
- Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention; Shandong Agricultural University; Taian China
| | - D. Sun
- Department of Preventive Veterinary Medicine; College of Veterinary Medicine; Shandong Agricultural University; Taian China
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention; Taian China
- Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention; Shandong Agricultural University; Taian China
| | - J. Lan
- Department of Preventive Veterinary Medicine; College of Veterinary Medicine; Shandong Agricultural University; Taian China
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention; Taian China
- Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention; Shandong Agricultural University; Taian China
| | - S. Song
- Department of Preventive Veterinary Medicine; College of Veterinary Medicine; Shandong Agricultural University; Taian China
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention; Taian China
- Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention; Shandong Agricultural University; Taian China
| | - Z. Xie
- Department of Preventive Veterinary Medicine; College of Veterinary Medicine; Shandong Agricultural University; Taian China
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention; Taian China
- Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention; Shandong Agricultural University; Taian China
| | - S. Jiang
- Department of Preventive Veterinary Medicine; College of Veterinary Medicine; Shandong Agricultural University; Taian China
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention; Taian China
- Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention; Shandong Agricultural University; Taian China
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Abstract
Activation of chrysocolla by organic Cu-chelating agents was studied using a series of test and analysis methods, revealing that the performance of these agents was related to their chemical activity and chrysocolla dissolution properties.
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Affiliation(s)
- D. Jiang
- School of Materials Science and Engineering
- Shanghai University
- Shanghai 200072
- China
| | - J. Lan
- Shanghai Film Academy
- Shanghai University
- Shanghai 200072
- China
| | - W. Zhao
- Kunming Professional College of Arts
- Kunming 650073
- China
| | | | - Y. Lan
- Yunnan University
- Kunming 650091
- China
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Chang C, Chen K, Chen Y, Cheng T, Hsu P, Lai N, Lan J, Lee C, Lee S, Lin H, Tsay G, Yen J, Tsai C, Garg V, Bao Y, Yang M, Wu E. THU0161 Prediction of Flaring in Rheumatoid Arthritis Patients upon Biologics Dose Tapering: A Chart Review Study in Taiwan. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.3294] [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: 11/04/2022]
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Chang C, Chen K, Chen Y, Cheng T, Hsu P, Lai N, Lan J, Lee C, Lee S, Lin H, Tsay G, Yen J, Tsai C, Bao Y, Skup M, Yang M, Wu E, Garg V. FRI0196 Real-World Impact of Taiwan Health Policy on Dose Tapering and Withdrawing Biologics in Rheumatoid Arthritis Patients: A Retrospective Chart Review Study. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.4170] [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: 11/04/2022]
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Lan J, Gou N, Rahman SM, Gao C, He M, Gu AZ. A Quantitative Toxicogenomics Assay for High-throughput and Mechanistic Genotoxicity Assessment and Screening of Environmental Pollutants. Environ Sci Technol 2016; 50:3202-14. [PMID: 26855253 PMCID: PMC6321748 DOI: 10.1021/acs.est.5b05097] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The ecological and health concern of mutagenicity and carcinogenicity potentially associated with an overwhelmingly large and ever-increasing number of chemicals demands for cost-effective and feasible method for genotoxicity screening and risk assessment. This study proposed a genotoxicity assay using GFP-tagged yeast reporter strains, covering 38 selected protein biomarkers indicative of all the seven known DNA damage repair pathways. The assay was applied to assess four model genotoxic chemicals, eight environmental pollutants and four negative controls across six concentrations. Quantitative molecular genotoxicity end points were derived based on dose response modeling of a newly developed integrated molecular effect quantifier, Protein Effect Level Index (PELI). The molecular genotoxicity end points were consistent with multiple conventional in vitro genotoxicity assays, as well as with in vivo carcinogenicity assay results. Further more, the proposed genotoxicity end point PELI values quantitatively correlated with both comet assay in human cell and carcinogenicity potency assay in mice, providing promising evidence for linking the molecular disturbance measurements to adverse outcomes at a biological relevant level. In addition, the high-resolution DNA damaging repair pathway alternated protein expression profiles allowed for chemical clustering and classification. This toxicogenomics-based assay presents a promising alternative for fast, efficient and mechanistic genotoxicity screening and assessment of drugs, foods, and environmental contaminants.
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Affiliation(s)
- Jiaqi Lan
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Na Gou
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Sheikh Mokhles Rahman
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Ce Gao
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Miao He
- Environmental Simulation and Pollution Control (ESPC) State Key Joint Laboratory, School of Environment, Tsinghua University, Beijing, 100084, China
- (Miao He) .
| | - April Z. Gu
- Department of Civil and Environmental Engineering, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
- Corresponding Authors (April Z. Gu)
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Abbasi R, Abe M, Abu-Zayyad T, Allen M, Azuma R, Barcikowski E, Belz J, Bergman D, Blake S, Cady R, Chae M, Cheon B, Chiba J, Chikawa M, Cho W, Fujii T, Fukushima M, Goto T, Hanlon W, Hayashi Y, Hayashida N, Hibino K, Honda K, Ikeda D, Inoue N, Ishii T, Ishimori R, Ito H, Ivanov D, Jui C, Kadota K, Kakimoto F, Kalashev O, Kasahara K, Kawai H, Kawakami S, Kawana S, Kawata K, Kido E, Kim H, Kim J, Kim J, Kitamura S, Kitamura Y, Kuzmin V, Kwon Y, Lan J, Lim S, Lundquist J, Machida K, Martens K, Matsuda T, Matsuyama T, Matthews J, Minamino M, Mukai Y, Myers I, Nagasawa K, Nagataki S, Nakamura T, Nonaka T, Nozato A, Ogio S, Ogura J, Ohnishi M, Ohoka H, Oki K, Okuda T, Ono M, Oshima A, Ozawa S, Park I, Pshirkov M, Rodriguez D, Rubtsov G, Ryu D, Sagawa H, Sakurai N, Scott L, Shah P, Shibata F, Shibata T, Shimodaira H, Shin B, Shin H, Smith J, Sokolsky P, Springer R, Stokes B, Stratton S, Stroman T, Suzawa T, Takamura M, Takeda M, Takeishi R, Taketa A, Takita M, Tameda Y, Tanaka H, Tanaka K, Tanaka M, Thomas S, Thomson G, Tinyakov P, Tkachev I, Tokuno H, Tomida T, Troitsky S, Tsunesada Y, Tsutsumi K, Uchihori Y, Udo S, Urban F, Vasiloff G, Wong T, Yamane R, Yamaoka H, Yamazaki K, Yang J, Yashiro K, Yoneda Y, Yoshida S, Yoshii H, Zollinger R, Zundel Z. Measurement of the proton-air cross section with Telescope Array’s Middle Drum detector and surface array in hybrid mode. Int J Clin Exp Med 2015. [DOI: 10.1103/physrevd.92.032007] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Lan J, Hu M, Gao C, Alshawabkeh A, Gu AZ. Toxicity Assessment of 4-Methyl-1-cyclohexanemethanol and Its Metabolites in Response to a Recent Chemical Spill in West Virginia, USA. Environ Sci Technol 2015; 49:6284-93. [PMID: 25961958 PMCID: PMC6247413 DOI: 10.1021/acs.est.5b00371] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The large-scale chemical spill on January 9, 2014 from coal processing and cleaning storage tanks of Freedom Industries in Charleston affected the drinking water supply to 300,000 people in Charleston, West Virginia metropolitan, while the short-term and long-term health impacts remain largely unknown and need to be assessed and monitored. There is a lack of publically available toxicological information for the main contaminant 4-methyl-1-cyclohexanemethanol (4-MCHM). Particularly, little is known about 4-MCHM metabolites and their toxicity. This study reports timely and original results of the mechanistic toxicity assessment of 4-MCHM and its metabolites via a newly developed quantitative toxicogenomics approach, employing proteomics analysis in yeast cells and transcriptional analysis in human cells. These results suggested that, although 4-MCHM is considered only moderately toxic based on the previous limited acute toxicity evaluation, 4-MCHM metabolites were likely more toxic than 4-MCHM in both yeast and human cells, with different toxicity profiles and potential mechanisms. In the yeast library, 4-MCHM mainly induced chemical stress related to transmembrane transport and transporter activity, while 4-MCHM metabolites of S9 mainly induced oxidative stress related to antioxidant activity and oxidoreductase activity. With human A549 cells, 4-MCHM mainly induced DNA damage-related biomarkers, which indicates that 4-MCHM is related to genotoxicity due to its DNA damage effect on human cells and therefore warrants further chronic carcinogenesis evaluation.
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Affiliation(s)
| | | | | | | | - April Z. Gu
- Corresponding Author; tel.: + 1-617-373-3631
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