1
|
Xiang H, Bai L, Zhang X, Dan T, Cheng P, Yang X, Ai H, Li K, Lei X. A facile strategy for the construction of a phage display cyclic peptide library for the selection of functional macrocycles. Chem Sci 2024; 15:11847-11855. [PMID: 39092106 PMCID: PMC11290325 DOI: 10.1039/d4sc03207a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Accepted: 06/16/2024] [Indexed: 08/04/2024] Open
Abstract
Cyclic peptides represent invaluable scaffolds in biological affinity, providing diverse collections for discovering functional molecules targeting challenging biological entities and protein-protein interactions. The field increasingly focuses on developing cyclization strategies and chemically modified combinatorial libraries in conjunction with M13 phage display, to identify macrocyclic peptide inhibitors for traditionally challenging targets. Here, we introduce a cyclization strategy utilizing ortho-phthalaldehyde (OPA) for the discovery of active macrocycles characterized by asymmetric scaffolds with side-chain cyclization. Through this approach, aldehyde groups attached to free molecules sequentially attack the ε-amine of lysine and the thiol of cysteine, facilitating the rapid cyclization of genetically encoded linear precursor libraries displayed on phage particles. The construction of a 109-member library and subsequent screening successfully identified cyclic peptide binders targeting three therapeutically relevant proteins: PTP1B, NEK7, and hKeap1. The results confirm the efficacy in rapidly obtaining active ligands with micromolar potency. This work provides a fast and efficient operable high-throughput platform for screening functional peptide macrocycles, which hold promise for broad application in therapeutics, chemically biological probes, and disease diagnosis.
Collapse
Affiliation(s)
- Hua Xiang
- School of Pharmaceutical Sciences, South-Central Minzu University Wuhan 430074 China
| | - Liwen Bai
- School of Pharmaceutical Sciences, South-Central Minzu University Wuhan 430074 China
| | - Xindan Zhang
- School of Pharmaceutical Sciences, South-Central Minzu University Wuhan 430074 China
| | - Ting Dan
- School of Pharmaceutical Sciences, South-Central Minzu University Wuhan 430074 China
| | - Peng Cheng
- School of Pharmaceutical Sciences, South-Central Minzu University Wuhan 430074 China
| | - Xiaoqin Yang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou Magnetic Resonance Center, College of Chemistry and Chemical Engineering, Lanzhou University Lanzhou 730000 China
| | - Honglian Ai
- School of Pharmaceutical Sciences, South-Central Minzu University Wuhan 430074 China
| | - Kai Li
- College of Life Sciences, South-Central Minzu University Wuhan 430074 China
| | - Xinxiang Lei
- School of Pharmaceutical Sciences, South-Central Minzu University Wuhan 430074 China
- State Key Laboratory of Applied Organic Chemistry, Lanzhou Magnetic Resonance Center, College of Chemistry and Chemical Engineering, Lanzhou University Lanzhou 730000 China
| |
Collapse
|
2
|
Gao C. Investigating the association between blood metabolites and telomere length: A mendelian randomization study. PLoS One 2024; 19:e0298172. [PMID: 38457472 PMCID: PMC10923442 DOI: 10.1371/journal.pone.0298172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 01/19/2024] [Indexed: 03/10/2024] Open
Abstract
BACKGROUND Telomere length refers to the protective cap at the end of chromosomes, and it plays a crucial role in many diseases. The objective of this study is to explore the relationship between blood metabolites and telomere length, aiming to identify novel biological factors that influence telomere length. METHODS In this study, we extracted genome-wide association study (GWAS) data for blood metabolites from a sample of 7824 Europeans. Additionally, GWAS data for telomere length were obtained from the Open GWAS database (GWAS ID: ieu-b-4879). The primary analysis of this study utilized the random inverse variance weighted (IVW) method. Complementary analyses were also conducted using the MR-Egger and weighted median approaches. Sensitivity analyses were performed to assess the robustness of the findings. These included the Cochran Q test, MR-Egger intercept test, MR-PRESSO, and leave-one-out analysis. To investigate the possibility of reverse causation, reverse MR analysis was conducted. Additionally, multivariable MR was utilized to evaluate the direct effect of metabolites on telomere length. RESULTS The results suggested a potential association between 15-methylpalmitate, taurocholate, levulinate, and X-12712 and telomere length. MVMR analysis further showed that 15-methylpalmitate, taurocholate, and levulinate can directly influence telomere length, regardless of other metabolites. CONCLUSIONS This study suggests that 15-methylpalmitate, taurocholate, and levulinate are likely factors correlated with telomere length. These findings will contribute to the development of strategies for protecting telomeres, preventing related diseases, and establishing a new biological foundation for achieving healthy aging.
Collapse
Affiliation(s)
- Chen Gao
- Head and Neck Surgeons, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fujian, China
| |
Collapse
|
3
|
Liu H, Fu H, Yu C, Zhang N, Huang C, Lv L, Hu C, Chen F, Xiao Z, Zhang Z, Lu H, Yuan K. Transcriptional pausing induced by ionizing radiation enables the acquisition of radioresistance in nasopharyngeal carcinoma. J Mol Cell Biol 2024; 15:mjad044. [PMID: 37407287 PMCID: PMC10960568 DOI: 10.1093/jmcb/mjad044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 03/24/2023] [Accepted: 07/04/2023] [Indexed: 07/07/2023] Open
Abstract
Lesions on the DNA template can impact transcription via distinct regulatory pathways. Ionizing radiation (IR) as the mainstay modality for many malignancies elicits most of the cytotoxicity by inducing a variety of DNA damages in the genome. How the IR treatment alters the transcription cycle and whether it contributes to the development of radioresistance remain poorly understood. Here, we report an increase in the paused RNA polymerase II (RNAPII), as indicated by the phosphorylation at serine 5 residue of its C-terminal domain, in recurrent nasopharyngeal carcinoma (NPC) patient samples after IR treatment and cultured NPC cells developing IR resistance. Reducing the pool of paused RNAPII by either inhibiting TFIIH-associated CDK7 or stimulating the positive transcription elongation factor b, a CDK9-CycT1 heterodimer, attenuates IR resistance of NPC cells. Interestingly, the poly(ADP-ribosyl)ation of CycT1, which disrupts its phase separation, is elevated in the IR-resistant cells. Mutation of the major poly(ADP-ribosyl)ation sites of CycT1 decreases RNAPII pausing and restores IR sensitivity. Genome-wide chromatin immunoprecipitation followed by sequencing analyses reveal that several genes involved in radiation response and cell cycle control are subject to the regulation imposed by the paused RNAPII. Particularly, we identify the NIMA-related kinase NEK7 under such regulation as a new radioresistance factor, whose downregulation results in the increased chromosome instability, enabling the development of IR resistance. Overall, our results highlight a novel link between the alteration in the transcription cycle and the acquisition of IR resistance, opening up new opportunities to increase the efficacy of radiotherapy and thwart radioresistance in NPC.
Collapse
Affiliation(s)
- Honglu Liu
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Huanyi Fu
- Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
| | - Chunhong Yu
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Na Zhang
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Canhua Huang
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Lu Lv
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital, Central South University, Changsha 410008, China
- Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha 410008, China
| | - Chunhong Hu
- Department of Oncology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Fang Chen
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital, Central South University, Changsha 410008, China
- Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha 410008, China
| | - Zhiqiang Xiao
- Research Center of Carcinogenesis and Targeted Therapy, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Zhuohua Zhang
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital, Central South University, Changsha 410008, China
- Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Huasong Lu
- Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
| | - Kai Yuan
- Hunan Key Laboratory of Molecular Precision Medicine, Department of Oncology, Xiangya Hospital, Central South University, Changsha 410008, China
- Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
- The Biobank of Xiangya Hospital, Central South University, Changsha 410008, China
| |
Collapse
|
4
|
Jin X, Liu D, Zhou X, Luo X, Huang Q, Huang Y. Entrectinib inhibits NLRP3 inflammasome and inflammatory diseases by directly targeting NEK7. Cell Rep Med 2023; 4:101310. [PMID: 38118409 PMCID: PMC10772347 DOI: 10.1016/j.xcrm.2023.101310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 10/05/2023] [Accepted: 11/13/2023] [Indexed: 12/22/2023]
Abstract
Excessive inflammation caused by abnormal activation of the NLRP3 inflammasome contributes to the pathogenesis of multiple human diseases, but clinical drugs targeting the NLRP3 inflammasome are still not available. In this study, we identify entrectinib (ENB), a US Food and Drug Administration (FDA)-approved anti-cancer agent, as a target inhibitor of the NLRP3 inflammasome to treat related diseases. ENB specifically blocks NLRP3 without affecting activation of other inflammasomes. Furthermore, we demonstrate that ENB directly binds to arginine 121 (R121) of NEK7 and blocks the interaction between NEK7 and NLRP3, thereby inhibiting inflammasome assembly and activation. In vivo studies show that ENB has a significant ameliorative effect on mouse models of NLRP3 inflammasome-related diseases, including lipopolysaccharide (LPS)-induced systemic inflammation, monosodium urate (MSU)-induced peritonitis, and high-fat diet (HFD)-induced type 2 diabetes (T2D). These data show that ENB is a targeted inhibitor of NEK7 with strong anti-NLRP3 inflammasome activity, making it a potential candidate drug for the treatment of inflammasome-related diseases.
Collapse
Affiliation(s)
- Xiangyu Jin
- Insitute of Health and Medicine, Hefei Comprehensive National Science Center, Hefei 230601, China; Wuxi School of Medicine, Jiangnan University, Jiangsu, China
| | - Didi Liu
- Wuxi School of Medicine, Jiangnan University, Jiangsu, China
| | - Xinru Zhou
- Wuxi School of Medicine, Jiangnan University, Jiangsu, China
| | - Xianyu Luo
- Wuxi School of Medicine, Jiangnan University, Jiangsu, China
| | - Qian Huang
- Wuxi School of Medicine, Jiangnan University, Jiangsu, China
| | - Yi Huang
- Insitute of Health and Medicine, Hefei Comprehensive National Science Center, Hefei 230601, China; Wuxi School of Medicine, Jiangnan University, Jiangsu, China.
| |
Collapse
|
5
|
Qadri T, Aziz M, Channar PA, Ejaz SA, Hussain M, Attaullah HM, Ujan R, Hussain Z, Zehra T, Saeed A, Shah MR, Ogaly HA, Al-Zahrani FAM. Synthesis, biological evaluation and in silico investigations of benzotriazole derivatives as potential inhibitors of NIMA related kinase. RSC Adv 2023; 13:33826-33843. [PMID: 38020022 PMCID: PMC10655664 DOI: 10.1039/d3ra06149c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Accepted: 11/06/2023] [Indexed: 12/01/2023] Open
Abstract
In the current study, a novel compound, bis(3-(2H-benzo[d][1,2,3]triazol-2-yl)-2-(prop-2-yn-1-yloxy)-5-(2,4,4-trimethylpentan-2-yl)phenyl)methane (TAJ1), has been synthesized by the reaction of 6,6'-methylenebis(2-(2H-benzo[d][1,2,3]triazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol) (1), propargyl bromide (2) and potassium carbonate. Spectroscopic (FTIR, 1H-NMR, 13C-NMR) and single-crystal assays proved the structure of the synthesized sample. XRD analysis confirmed the structure of the synthesized compound, showing that it possesses two aromatic parts linked via a -CH2 carbon with a bond angle of 108.40°. The cell line activity reported a percent growth reduction for different cell types (HeLa cells, MCF-7 cells, and Vero cells) under various treatment conditions (TAJ1, cisplatin, and doxorubicin) after 24 hours and 48 hours. The percent growth reduction represents a decrease in cell growth compared to a control condition. Furthermore, density functional theory (DFT) calculations were utilized to examine the frontier molecular orbitals (FMOs) and overall chemical reactivity descriptors of TAJ1. The molecule's chemical reactivity and stability were assessed by determining the HOMO-LUMO energy gap. TAJ1 displayed a HOMO energy level of -0.224 eV, a LUMO energy level of -0.065 eV, and a HOMO-LUMO gap of 0.159 eV. Additionally, molecular docking analysis was performed to assess the binding affinities of TAJ1 with various proteins. The compound TAJ1 showed potent interactions with NEK2, exhibiting -10.5 kcal mol-1 binding energy. Although TAJ1 has demonstrated interactions with NEK7, NEK9, TP53, NF-KAPPA-B, and caspase-3 proteins, suggesting its potential as a therapeutic agent, it is important to evaluate the conformational stability of the protein-ligand complex. Hence, molecular dynamics simulations were conducted to assess this stability. To analyze the complex, root mean square deviation (RMSD) and root mean square fluctuation analyses were performed. The results of these analyses indicate that the top hits obtained from the virtual screening possess the ability to act as effective NEK2 inhibitors. Therefore, further investigation of the inhibitory potential of these identified compounds using in vitro and in vivo approaches is recommended.
Collapse
Affiliation(s)
- Tahir Qadri
- Department of Chemistry, University of Karachi Karachi 75270 Pakistan
| | - Mubashir Aziz
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur Bahawalpur 63100 Pakistan
| | - Pervaiz Ali Channar
- Department of Basic Science and Humanities, Faculty of Information Science Humanities, Dawood University of Engineering and Technology Karachi 74800 Karachi Pakistan
| | - Syeda Abida Ejaz
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur Bahawalpur 63100 Pakistan
| | - Mumtaz Hussain
- Department of Chemistry, University of Karachi Karachi 75270 Pakistan
| | - Hafiz Muhammad Attaullah
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur Bahawalpur 63100 Pakistan
| | - Rabail Ujan
- Dr M. A. Kazi Institute of Chemistry, University of Sindh Jamshoro Pakistan
| | - Zahid Hussain
- Department of Chemistry, University of Karachi Karachi 75270 Pakistan
| | - Tasneem Zehra
- Department of Basic Science and Humanities, Faculty of Information Science Humanities, Dawood University of Engineering and Technology Karachi 74800 Karachi Pakistan
| | - Aamer Saeed
- Department of Chemistry, Quaid-I-Azam University Islamabad 45320 Pakistan
| | - M R Shah
- H.E.J.Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi Karachi 7527 Pakistan
| | - Hanan A Ogaly
- Chemistry Department, College of Science, King Khalid University Abha 61421 Saudi Arabia
| | - Fatimah A M Al-Zahrani
- Chemistry Department, College of Science, King Khalid University Abha 61421 Saudi Arabia
| |
Collapse
|
6
|
Hong X, Lv J, Li Z, Xiong Y, Zhang J, Chen HF. Sequence-based machine learning method for predicting the effects of phosphorylation on protein-protein interactions. Int J Biol Macromol 2023; 243:125233. [PMID: 37290543 DOI: 10.1016/j.ijbiomac.2023.125233] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 06/02/2023] [Accepted: 06/03/2023] [Indexed: 06/10/2023]
Abstract
Protein phosphorylation, catalyzed by kinases, is an important biochemical process, which plays an essential role in multiple cell signaling pathways. Meanwhile, protein-protein interactions (PPI) constitute the signaling pathways. Abnormal phosphorylation status on protein can regulate protein functions through PPI to evoke severe diseases, such as Cancer and Alzheimer's disease. Due to the limited experimental evidence and high costs to experimentally identify novel evidence of phosphorylation regulation on PPI, it is necessary to develop a high-accuracy and user-friendly artificial intelligence method to predict phosphorylation effect on PPI. Here, we proposed a novel sequence-based machine learning method named PhosPPI, which achieved better identification performance (Accuracy and AUC) than other competing predictive methods of Betts, HawkDock and FoldX. PhosPPI is now freely available in web server (https://phosppi.sjtu.edu.cn/). This tool can help the user to identify functional phosphorylation sites affecting PPI and explore phosphorylation-associated disease mechanism and drug development.
Collapse
Affiliation(s)
- Xiaokun Hong
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, Department of Bioinformatics and Biostatistics, National Experimental Teaching Center for Life Sciences and Biotechnology, School of Life Sciences and Biotechnology, Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jiyang Lv
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, Department of Bioinformatics and Biostatistics, National Experimental Teaching Center for Life Sciences and Biotechnology, School of Life Sciences and Biotechnology, Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zhengxin Li
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, Department of Bioinformatics and Biostatistics, National Experimental Teaching Center for Life Sciences and Biotechnology, School of Life Sciences and Biotechnology, Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yi Xiong
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, Department of Bioinformatics and Biostatistics, National Experimental Teaching Center for Life Sciences and Biotechnology, School of Life Sciences and Biotechnology, Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jian Zhang
- Department of Pathophysiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao-Tong University School of Medicine (SJTU-SM), Shanghai 200025, China.
| | - Hai-Feng Chen
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, Department of Bioinformatics and Biostatistics, National Experimental Teaching Center for Life Sciences and Biotechnology, School of Life Sciences and Biotechnology, Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China.
| |
Collapse
|
7
|
Zhang J, Simpson CM, Berner J, Chong HB, Fang J, Ordulu Z, Weiss-Sadan T, Possemato AP, Harry S, Takahashi M, Yang TY, Richter M, Patel H, Smith AE, Carlin AD, Hubertus de Groot AF, Wolf K, Shi L, Wei TY, Dürr BR, Chen NJ, Vornbäumen T, Wichmann NO, Mahamdeh MS, Pooladanda V, Matoba Y, Kumar S, Kim E, Bouberhan S, Oliva E, Rueda BR, Soberman RJ, Bardeesy N, Liau BB, Lawrence M, Stokes MP, Beausoleil SA, Bar-Peled L. Systematic identification of anticancer drug targets reveals a nucleus-to-mitochondria ROS-sensing pathway. Cell 2023; 186:2361-2379.e25. [PMID: 37192619 PMCID: PMC10225361 DOI: 10.1016/j.cell.2023.04.026] [Citation(s) in RCA: 44] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 03/24/2023] [Accepted: 04/17/2023] [Indexed: 05/18/2023]
Abstract
Multiple anticancer drugs have been proposed to cause cell death, in part, by increasing the steady-state levels of cellular reactive oxygen species (ROS). However, for most of these drugs, exactly how the resultant ROS function and are sensed is poorly understood. It remains unclear which proteins the ROS modify and their roles in drug sensitivity/resistance. To answer these questions, we examined 11 anticancer drugs with an integrated proteogenomic approach identifying not only many unique targets but also shared ones-including ribosomal components, suggesting common mechanisms by which drugs regulate translation. We focus on CHK1 that we find is a nuclear H2O2 sensor that launches a cellular program to dampen ROS. CHK1 phosphorylates the mitochondrial DNA-binding protein SSBP1 to prevent its mitochondrial localization, which in turn decreases nuclear H2O2. Our results reveal a druggable nucleus-to-mitochondria ROS-sensing pathway-required to resolve nuclear H2O2 accumulation and mediate resistance to platinum-based agents in ovarian cancers.
Collapse
Affiliation(s)
- Junbing Zhang
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA.
| | | | - Jacqueline Berner
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Harrison B Chong
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Jiafeng Fang
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Zehra Ordulu
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL, USA
| | - Tommy Weiss-Sadan
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | | | - Stefan Harry
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Mariko Takahashi
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Tzu-Yi Yang
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Marianne Richter
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Himani Patel
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Abby E Smith
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Alexander D Carlin
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | | | - Konstantin Wolf
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Lei Shi
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Ting-Yu Wei
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Benedikt R Dürr
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Nicholas J Chen
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Tristan Vornbäumen
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Nina O Wichmann
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Mohammed S Mahamdeh
- Division of Cardiology, Harvard Medical School, Boston, MA, USA; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Venkatesh Pooladanda
- Department of Obstetrics and Gynecology, Vincent Center for Reproductive Biology, Massachusetts General Hospital, Boston, MA, USA; Obstetrics, Gynecology and Reproductive Biology, Harvard Medical School, Boston, MA, USA
| | - Yusuke Matoba
- Department of Obstetrics and Gynecology, Vincent Center for Reproductive Biology, Massachusetts General Hospital, Boston, MA, USA; Obstetrics, Gynecology and Reproductive Biology, Harvard Medical School, Boston, MA, USA
| | - Shaan Kumar
- Obstetrics, Gynecology and Reproductive Biology, Harvard Medical School, Boston, MA, USA
| | - Eugene Kim
- Obstetrics, Gynecology and Reproductive Biology, Harvard Medical School, Boston, MA, USA
| | - Sara Bouberhan
- Division of Hematology/Oncology, Massachusetts General Hospital, Boston, MA, USA; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Esther Oliva
- Department of Pathology, Massachusetts General Hospital, Boston, MA, USA
| | - Bo R Rueda
- Department of Obstetrics and Gynecology, Vincent Center for Reproductive Biology, Massachusetts General Hospital, Boston, MA, USA; Obstetrics, Gynecology and Reproductive Biology, Harvard Medical School, Boston, MA, USA
| | - Roy J Soberman
- Division of Nephrology, Harvard Medical School, Boston, MA, USA; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Nabeel Bardeesy
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA; Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Brian B Liau
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA
| | - Michael Lawrence
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA; Department of Medicine, Harvard Medical School, Boston, MA, USA
| | | | | | - Liron Bar-Peled
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA; Department of Medicine, Harvard Medical School, Boston, MA, USA.
| |
Collapse
|
8
|
Wang X, Zhao Y, Wang D, Liu C, Qi Z, Tang H, Liu Y, Zhang S, Cui Y, Li Y, Liu R, Shen Y. ALK-JNK signaling promotes NLRP3 inflammasome activation and pyroptosis via NEK7 during Streptococcus pneumoniae infection. Mol Immunol 2023; 157:78-90. [PMID: 37001294 DOI: 10.1016/j.molimm.2023.03.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 03/16/2023] [Accepted: 03/23/2023] [Indexed: 03/31/2023]
Abstract
Streptococcus pneumoniae (S. pneumoniae), a clinically important pathogen worldwide, causes serious invasive diseases, such as pneumonia, otitis media, and meningitis. The NLR family pyrin domain-containing 3 (NLRP3) inflammasome, an important component of the innate immune system, plays a key role in defense against pathogen infection; however the specific activation mechanism induced by S. pneumoniae infection is not fully understood. Here, primary mouse macrophages were selected as the in vitro cell model, and the effect of kinases on S. pneumoniae infection-induced NLRP3 inflammasome activation was investigated in vivo and in vitro using the western blot/RT-PCR/Co-IP/immunofluorescence staining/ELISA with or without kinase inhibitor or siRNA pretreatment. In this study, we found that the formation of the NEK7-NLRP3 complex significantly increased during S. pneumoniae infection and that anaplastic lymphoma kinase (ALK) and Jun N-terminal kinase (JNK) were phosphorylated rapidly. ALK and JNK inhibitors significantly reduced the ability of bacterial killing, the gene expression of NLRP3 inflammasome, the formation of apoptosis-associated speck-like protein containing caspase-recruitment domain (ASC) specks and the NEK7-NLRP3 complex, which in turn decreased the activation level of NLRP3 inflammasome-associated molecules and the maturation of interleukin-1β (IL-1β). In addition, ALK regulated the phosphorylation of JNK. Interestingly, the ALK/JNK/NEK7-NLRP3 signaling pathway is also involved in regulating pyroptosis and IL-1β secretion triggered by S. pneumoniae infection. In conclusion, our data suggest, for the first time, that the ALK/JNK/NEK7-NLRP3 signaling pathway may play an important role in NLRP3 inflammasome activation and pyroptosis and consequently regulate the host immune response upon S. pneumoniae infection.
Collapse
Affiliation(s)
- Xia Wang
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Yan Zhao
- School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, PR China
| | - Dan Wang
- School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, PR China
| | - Chang Liu
- School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, PR China; Key Laboratory of Emergency and Trauma of Ministry of Education, Hainan Medical University, Haikou 571199, PR China
| | - Zhi Qi
- Key Laboratory of Emergency and Trauma of Ministry of Education, Hainan Medical University, Haikou 571199, PR China
| | - Huixin Tang
- School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, PR China
| | - Yashan Liu
- School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, PR China
| | - Shiqi Zhang
- School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, PR China
| | - Yali Cui
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China; Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Yingying Li
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China; Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Chengdu, Sichuan 610041, PR China.
| | - Ruiqing Liu
- School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, PR China; The Third Central Hospital of Tianjin, 83 Jintang Road, Hedong District, Tianjin 300170, PR China; Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Tianjin 300170, PR China; Artificial Cell Engineering Technology Research Center, Tianjin 300170, PR China; Tianjin Institute of Hepatobiliary Disease, Tianjin 300170, PR China.
| | - Yanna Shen
- School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, PR China; Key Laboratory of Emergency and Trauma of Ministry of Education, Hainan Medical University, Haikou 571199, PR China.
| |
Collapse
|
9
|
Nguyen K, Boehling J, Tran MN, Cheng T, Rivera A, Collins-Burow BM, Lee SB, Drewry DH, Burow ME. NEK Family Review and Correlations with Patient Survival Outcomes in Various Cancer Types. Cancers (Basel) 2023; 15:2067. [PMID: 37046733 PMCID: PMC10093199 DOI: 10.3390/cancers15072067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/22/2023] [Accepted: 03/29/2023] [Indexed: 04/03/2023] Open
Abstract
The Never in Mitosis Gene A (NIMA)-related kinases (NEKs) are a group of serine/threonine kinases that are involved in a wide array of cellular processes including cell cycle regulation, DNA damage repair response (DDR), apoptosis, and microtubule organization. Recent studies have identified the involvement of NEK family members in various diseases such as autoimmune disorders, malignancies, and developmental defects. Despite the existing literature exemplifying the importance of the NEK family of kinases, this family of protein kinases remains understudied. This report seeks to provide a foundation for investigating the role of different NEKs in malignancies. We do this by evaluating the 11 NEK family kinase gene expression associations with patients' overall survival (OS) from various cancers using the Kaplan-Meier Online Tool (KMPlotter) to correlate the relationship between mRNA expression of NEK1-11 in various cancers and patient survival. Furthermore, we use the Catalog of Somatic Mutations in Cancer (COSMIC) database to identify NEK family mutations in cancers of different tissues. Overall, the data suggest that the NEK family has varying associations with patient survival in different cancers with tumor-suppressive and tumor-promoting effects being tissue-dependent.
Collapse
Affiliation(s)
- Khoa Nguyen
- Department of Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Julia Boehling
- Department of Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Minh N. Tran
- Department of Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Thomas Cheng
- Department of Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Andrew Rivera
- Department of Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | | | - Sean B. Lee
- Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - David H. Drewry
- UNC Lineberger Comprehensive Cancer Center, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Matthew E. Burow
- Department of Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA
| |
Collapse
|
10
|
Zhang J, Simpson CM, Berner J, Chong HB, Fang J, Sahin ZO, Weiss-Sadan T, Possemato AP, Harry S, Takahashi M, Yang TY, Richter M, Patel H, Smith AE, Carlin AD, Hubertus de Groot AF, Wolf K, Shi L, Wei TY, Dürr BR, Chen NJ, Vornbäumen T, Wichmann NO, Pooladanda V, Matoba Y, Kumar S, Kim E, Bouberhan S, Olivia E, Rueda B, Bardeesy N, Liau B, Lawrence M, Stokes MP, Beausoleil SA, Bar-Peled L. Identification of chemotherapy targets reveals a nucleus-to-mitochondria ROS sensing pathway. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.11.532189. [PMID: 36945474 PMCID: PMC10028958 DOI: 10.1101/2023.03.11.532189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
Abstract
Multiple chemotherapies are proposed to cause cell death in part by increasing the steady-state levels of cellular reactive oxygen species (ROS). However, for most of these drugs exactly how the resultant ROS function and are sensed is poorly understood. In particular, it's unclear which proteins the ROS modify and their roles in chemotherapy sensitivity/resistance. To answer these questions, we examined 11 chemotherapies with an integrated proteogenomic approach identifying many unique targets for these drugs but also shared ones including ribosomal components, suggesting one mechanism by which chemotherapies regulate translation. We focus on CHK1 which we find is a nuclear H 2 O 2 sensor that promotes an anti-ROS cellular program. CHK1 acts by phosphorylating the mitochondrial-DNA binding protein SSBP1, preventing its mitochondrial localization, which in turn decreases nuclear H 2 O 2 . Our results reveal a druggable nucleus-to-mitochondria ROS sensing pathway required to resolve nuclear H 2 O 2 accumulation, which mediates resistance to platinum-based chemotherapies in ovarian cancers.
Collapse
|
11
|
Aziz M, Ejaz SA, Zargar S, Akhtar N, Aborode AT, A. Wani T, Batiha GES, Siddique F, Alqarni M, Akintola AA. Deep Learning and Structure-Based Virtual Screening for Drug Discovery against NEK7: A Novel Target for the Treatment of Cancer. Molecules 2022; 27:4098. [PMID: 35807344 PMCID: PMC9268522 DOI: 10.3390/molecules27134098] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/17/2022] [Accepted: 06/18/2022] [Indexed: 01/09/2023] Open
Abstract
NIMA-related kinase7 (NEK7) plays a multifunctional role in cell division and NLRP3 inflammasone activation. A typical expression or any mutation in the genetic makeup of NEK7 leads to the development of cancer malignancies and fatal inflammatory disease, i.e., breast cancer, non-small cell lung cancer, gout, rheumatoid arthritis, and liver cirrhosis. Therefore, NEK7 is a promising target for drug development against various cancer malignancies. The combination of drug repurposing and structure-based virtual screening of large libraries of compounds has dramatically improved the development of anticancer drugs. The current study focused on the virtual screening of 1200 benzene sulphonamide derivatives retrieved from the PubChem database by selecting and docking validation of the crystal structure of NEK7 protein (PDB ID: 2WQN). The compounds library was subjected to virtual screening using Auto Dock Vina. The binding energies of screened compounds were compared to standard Dabrafenib. In particular, compound 762 exhibited excellent binding energy of -42.67 kJ/mol, better than Dabrafenib (-33.89 kJ/mol). Selected drug candidates showed a reactive profile that was comparable to standard Dabrafenib. To characterize the stability of protein-ligand complexes, molecular dynamic simulations were performed, providing insight into the molecular interactions. The NEK7-Dabrafenib complex showed stability throughout the simulated trajectory. In addition, binding affinities, pIC50, and ADMET profiles of drug candidates were predicted using deep learning models. Deep learning models predicted the binding affinity of compound 762 best among all derivatives, which supports the findings of virtual screening. These findings suggest that top hits can serve as potential inhibitors of NEK7. Moreover, it is recommended to explore the inhibitory potential of identified hits compounds through in-vitro and in-vivo approaches.
Collapse
Affiliation(s)
- Mubashir Aziz
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan;
| | - Syeda Abida Ejaz
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan;
| | - Seema Zargar
- Department of Biochemistry, College of Science, King Saud University, P.O. Box 22452, Riyadh 11451, Saudi Arabia;
| | - Naveed Akhtar
- Department of Pharmaceutics, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan;
| | | | - Tanveer A. Wani
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, AlBeheira, Egypt;
| | - Farhan Siddique
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, SE-60174 Norrköping, Sweden;
- Department of Pharmacy, Royal Institute of Medical Sciences (RIMS), Multan 60000, Pakistan
| | - Mohammed Alqarni
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Ashraf Akintayo Akintola
- Department of Biomedical Convergence Science and Technology, Kyungpook National University, Daegu 41566, Korea;
| |
Collapse
|
12
|
The E3 Ubiquitin Ligase Fbxo4 Functions as a Tumor Suppressor: Its Biological Importance and Therapeutic Perspectives. Cancers (Basel) 2022; 14:cancers14092133. [PMID: 35565262 PMCID: PMC9101129 DOI: 10.3390/cancers14092133] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/22/2022] [Accepted: 04/23/2022] [Indexed: 01/10/2023] Open
Abstract
Simple Summary Fbxo4 is an E3 ubiquitin ligase that requires the formation of a complex with S-phase kinase-associated protein 1 and Cullin1 to catalyze the ubiquitylation of its substrates. Moreover, Fbxo4 depends on the existence of posttranslational modifications and/or co-factor to be activated to perform its biological functions. The well-known Fbxo4 substrates have oncogenic or oncogene-like activities, for example, cyclin D1, Trf1/Pin2, p53, Fxr1, Mcl-1, ICAM-1, and PPARγ; therefore, Fbxo4 is defined as a tumor suppressor. Biologically, Fbxo4 regulates cell cycle progression, DNA damage response, tumor metabolism, cellular senescence, metastasis and tumor cells’ response to chemotherapeutic compounds. Clinicopathologically, the expression of Fbxo4 is associated with patients’ prognosis depending on different tumor types. Regarding to its complicated regulation, more in-depth studies are encouraged to dissect the detailed molecular mechanisms to facilitate developing new treatment through targeting Fbxo4. Abstract Fbxo4, also known as Fbx4, belongs to the F-box protein family with a conserved F-box domain. Fbxo4 can form a complex with S-phase kinase-associated protein 1 and Cullin1 to perform its biological functions. Several proteins are identified as Fbxo4 substrates, including cyclin D1, Trf1/Pin2, p53, Fxr1, Mcl-1, ICAM-1, and PPARγ. Those factors can regulate cell cycle progression, cell proliferation, survival/apoptosis, and migration/invasion, highlighting their oncogenic or oncogene-like activities. Therefore, Fbxo4 is defined as a tumor suppressor. The biological functions of Fbxo4 make it a potential candidate for developing new targeted therapies. This review summarizes the gene and protein structure of Fbxo4, the mechanisms of how its expression and activity are regulated, and its substrates, biological functions, and clinicopathological importance in human cancers.
Collapse
|
13
|
In Mitosis You Are Not: The NIMA Family of Kinases in Aspergillus, Yeast, and Mammals. Int J Mol Sci 2022; 23:ijms23074041. [PMID: 35409400 PMCID: PMC8999480 DOI: 10.3390/ijms23074041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 03/31/2022] [Accepted: 04/01/2022] [Indexed: 11/17/2022] Open
Abstract
The Never in mitosis gene A (NIMA) family of serine/threonine kinases is a diverse group of protein kinases implicated in a wide variety of cellular processes, including cilia regulation, microtubule dynamics, mitotic processes, cell growth, and DNA damage response. The founding member of this family was initially identified in Aspergillus and was found to play important roles in mitosis and cell division. The yeast family has one member each, Fin1p in fission yeast and Kin3p in budding yeast, also with functions in mitotic processes, but, overall, these are poorly studied kinases. The mammalian family, the main focus of this review, consists of 11 members named Nek1 to Nek11. With the exception of a few members, the functions of the mammalian Neks are poorly understood but appear to be quite diverse. Like the prototypical NIMA, many members appear to play important roles in mitosis and meiosis, but their functions in the cell go well beyond these well-established activities. In this review, we explore the roles of fungal and mammalian NIMA kinases and highlight the most recent findings in the field.
Collapse
|
14
|
Shen S, Yang Y, Shen P, Ma J, Fang B, Wang Q, Wang K, Shi P, Fan S, Fang X. circPDE4B prevents articular cartilage degeneration and promotes repair by acting as a scaffold for RIC8A and MID1. Ann Rheum Dis 2021; 80:1209-1219. [PMID: 34039624 PMCID: PMC8372377 DOI: 10.1136/annrheumdis-2021-219969] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 05/13/2021] [Indexed: 01/22/2023]
Abstract
OBJECTIVES Circular RNAs (circRNAs) have emerged as significant biological regulators. Herein, we aimed to elucidate the role of an unidentified circRNA (circPDE4B) that is reportedly downregulated in osteoarthritis (OA) tissues. METHODS The effects of circPDE4B were explored in human and mouse chondrocytes in vitro. Specifically, RNA pull-down (RPD)-mass spectrometry analysis (MS), immunoprecipitation, glutathione-S-transferase (GST) pull-down, RNA immunoprecipitation and RPD assays were performed to verify the interactions between circPDE4B and the RIC8 guanine nucleotide exchange factor A (RIC8A)/midline 1 (MID1) complex. A mouse model of OA was also employed to confirm the role of circPDE4B in OA pathogenesis in vivo. RESULTS circPDE4B regulates chondrocyte cell viability and extracellular matrix metabolism. Mechanistically, FUS RNA binding protein (FUS) was found to promote the splicing of circPDE4B, while downregulation of circPDE4B in OA is partially caused by upstream inhibition of FUS. Moreover, circPDE4B facilitates the association between RIC8A and MID1 by acting as a scaffold to promote RIC8A degradation through proteasomal degradation. Furthermore, ubiquitination of RIC8A at K415 abrogates RIC8A degradation. The circPDE4B-RIC8A axis was observed to play an important role in regulating downstream p38 mitogen-activated protein kinase (MAPK) signalling. Furthermore, delivery of a circPDE4B adeno-associated virus (AAV) abrogates the breakdown of cartilage matrix by medial meniscus destabilisation in mice, whereas a RIC8A AAV induces the opposite effect. CONCLUSION This work highlights the function of the circPDE4B-RIC8A axis in OA joints, as well as its regulation of MAPK-p38, suggesting this axis as a potential therapeutic target for OA.
Collapse
Affiliation(s)
- Shuying Shen
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University school of medicine, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Yute Yang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University school of medicine, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Panyang Shen
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University school of medicine, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Jun Ma
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University school of medicine, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Bin Fang
- Department of Spine Surgery, The Central Hospital Affiliated to Shaoxing University, Shaoxing, China
| | - Qingxin Wang
- Department of Spine Surgery, The Hospital of the Marine Police Corps of the Chinese people's Armed Police Force, Jiaxing, China
| | - Kefan Wang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University school of medicine, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Peihua Shi
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University school of medicine, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Shunwu Fan
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University school of medicine, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Xiangqian Fang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University school of medicine, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| |
Collapse
|
15
|
Chen S, Miao B, Chen N, Chen C, Shao T, Zhang X, Chang L, Zhang X, Du Q, Huang Y, Tong D. SYNCRIP facilitates porcine parvovirus viral DNA replication through the alternative splicing of NS1 mRNA to promote NS2 mRNA formation. Vet Res 2021; 52:73. [PMID: 34034820 PMCID: PMC8152309 DOI: 10.1186/s13567-021-00938-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Accepted: 03/19/2021] [Indexed: 11/10/2022] Open
Abstract
Porcine Parvovirus (PPV), a pathogen causing porcine reproductive disorders, encodes two capsid proteins (VP1 and VP2) and three nonstructural proteins (NS1, NS2 and SAT) in infected cells. The PPV NS2 mRNA is from NS1 mRNA after alternative splicing, yet the corresponding mechanism is unclear. In this study, we identified a PPV NS1 mRNA binding protein SYNCRIP, which belongs to the hnRNP family and has been identified to be involved in host pre-mRNA splicing by RNA-pulldown and mass spectrometry approaches. SYNCRIP was found to be significantly up-regulated by PPV infection in vivo and in vitro. We confirmed that it directly interacts with PPV NS1 mRNA and is co-localized at the cytoplasm in PPV-infected cells. Overexpression of SYNCRIP significantly reduced the NS1 mRNA and protein levels, whereas deletion of SYNCRIP significantly reduced NS2 mRNA and protein levels and the ratio of NS2 to NS1, and further impaired replication of the PPV. Furthermore, we found that SYNCRIP was able to bind the 3'-terminal site of NS1 mRNA to promote the cleavage of NS1 mRNA into NS2 mRNA. Taken together, the results presented here demonstrate that SYNCRIP is a critical molecule in the alternative splicing process of PPV mRNA, while revealing a novel function for this protein and providing a potential target of antiviral intervention for the control of porcine parvovirus disease.
Collapse
Affiliation(s)
- Songbiao Chen
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Bichen Miao
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Nannan Chen
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Caiyi Chen
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Ting Shao
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Xuezhi Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Lingling Chang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Xiujuan Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Qian Du
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Yong Huang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China.
| | - Dewen Tong
- College of Veterinary Medicine, Northwest A&F University, Yangling, China.
| |
Collapse
|
16
|
Martins MB, Perez AM, Bohr VA, Wilson DM, Kobarg J. NEK1 deficiency affects mitochondrial functions and the transcriptome of key DNA repair pathways. Mutagenesis 2021; 36:223-236. [PMID: 33740813 DOI: 10.1093/mutage/geab011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Accepted: 03/17/2021] [Indexed: 12/16/2022] Open
Abstract
Previous studies have indicated important roles for NIMA-related kinase 1 (NEK1) in modulating DNA damage checkpoints and DNA repair capacity. To broadly assess the contributions of NEK1 to genotoxic stress and mitochondrial functions, we characterised several relevant phenotypes of NEK1 CRISPR knockout (KO) and wild-type (WT) HAP1 cells. Our studies revealed that NEK1 KO cells resulted in increased apoptosis and hypersensitivity to the alkylator methyl methanesulfonate, the radiomimetic bleomycin and UVC light, yet increased resistance to the crosslinker cisplatin. Mitochondrial functionalities were also altered in NEK1 KO cells, with phenotypes of reduced mitophagy, increased total mitochondria, elevated levels of reactive oxygen species, impaired complex I activity and higher amounts of mitochondrial DNA damage. RNA-seq transcriptome analysis coupled with quantitative real-time PCR studies comparing NEK1 KO cells with NEK1 overexpressing cells revealed that the expression of genes involved in DNA repair pathways, such as base excision repair, nucleotide excision repair and double-strand break repair, are altered in a way that might influence genotoxin resistance. Together, our studies underline and further support that NEK1 serves as a hub signalling kinase in response to DNA damage, modulating DNA repair capacity, mitochondrial activity and cell fate determination.
Collapse
Affiliation(s)
- Mariana Bonjiorno Martins
- Departamento de Bioquímica e de Biologia Tecidual, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Arina Marina Perez
- Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, MD 21224-6825, USA
| | - Vilhelm A Bohr
- Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, MD 21224-6825, USA
| | - David M Wilson
- Neurosciences Group, Biomedical Research Institute, Hasselt University, 3590 Diepenbeek, Belgium
| | - Jörg Kobarg
- Departamento de Bioquímica e de Biologia Tecidual, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil.,Faculdade de Ciências Farmacêuticas, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| |
Collapse
|
17
|
AKT-dependent signaling of extracellular cues through telomeres impact on tumorigenesis. PLoS Genet 2021; 17:e1009410. [PMID: 33690611 PMCID: PMC7942993 DOI: 10.1371/journal.pgen.1009410] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 02/09/2021] [Indexed: 12/27/2022] Open
Abstract
The telomere-bound shelterin complex is essential for chromosome-end protection and genomic stability. Little is known on the regulation of shelterin components by extracellular signals including developmental and environmental cues. Here, we show that human TRF1 is subjected to AKT-dependent regulation. To study the importance of this modification in vivo, we generate knock-in human cell lines carrying non-phosphorylatable mutants of the AKT-dependent TRF1 phosphorylation sites by CRISPR-Cas9. We find that TRF1 mutant cells show decreased TRF1 binding to telomeres and increased global and telomeric DNA damage. Human cells carrying non-phosphorylatable mutant TRF1 alleles show accelerated telomere shortening, demonstrating that AKT-dependent TRF1 phosphorylation regulates telomere maintenance in vivo. TRF1 mutant cells show an impaired response to proliferative extracellular signals as well as a decreased tumorigenesis potential. These findings indicate that telomere protection and telomere length can be regulated by extracellular signals upstream of PI3K/AKT activation, such as growth factors, nutrients or immune regulators, and this has an impact on tumorigenesis potential. We show how extracellular milieu information is transmitted to the nucleus through modifications in the telomeric protein TRF1. TRF1, a component of the shelterin complex that protects the ends of our chromosomes, is modified by the PI3K/AKT signaling pathway, which senses the extracellular nutritional conditions. We generated knock-in human cell lines carrying mutant TRF1 variants unable to be modified by AKT. TRF1 mutant cells show decreased TRF1 binding to telomeres, increased DNA damage and accelerated telomere shortening. TRF1 mutant cells show an impaired TRF1 stability in response to proliferative extracellular signals and a decreased tumorigenesis potential, demonstrating that telomere function and telomere length are regulated by extracellular signals upstream of PI3K/AKT activation.
Collapse
|
18
|
Pavan ICB, Peres de Oliveira A, Dias PRF, Basei FL, Issayama LK, Ferezin CDC, Silva FR, Rodrigues de Oliveira AL, Alves dos Reis Moura L, Martins MB, Simabuco FM, Kobarg J. On Broken Ne(c)ks and Broken DNA: The Role of Human NEKs in the DNA Damage Response. Cells 2021; 10:507. [PMID: 33673578 PMCID: PMC7997185 DOI: 10.3390/cells10030507] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 02/04/2021] [Accepted: 02/22/2021] [Indexed: 02/07/2023] Open
Abstract
NIMA-related kinases, or NEKs, are a family of Ser/Thr protein kinases involved in cell cycle and mitosis, centrosome disjunction, primary cilia functions, and DNA damage responses among other biological functional contexts in vertebrate cells. In human cells, there are 11 members, termed NEK1 to 11, and the research has mainly focused on exploring the more predominant roles of NEKs in mitosis regulation and cell cycle. A possible important role of NEKs in DNA damage response (DDR) first emerged for NEK1, but recent studies for most NEKs showed participation in DDR. A detailed analysis of the protein interactions, phosphorylation events, and studies of functional aspects of NEKs from the literature led us to propose a more general role of NEKs in DDR. In this review, we express that NEK1 is an activator of ataxia telangiectasia and Rad3-related (ATR), and its activation results in cell cycle arrest, guaranteeing DNA repair while activating specific repair pathways such as homology repair (HR) and DNA double-strand break (DSB) repair. For NEK2, 6, 8, 9, and 11, we found a role downstream of ATR and ataxia telangiectasia mutated (ATM) that results in cell cycle arrest, but details of possible activated repair pathways are still being investigated. NEK4 shows a connection to the regulation of the nonhomologous end-joining (NHEJ) repair of DNA DSBs, through recruitment of DNA-PK to DNA damage foci. NEK5 interacts with topoisomerase IIβ, and its knockdown results in the accumulation of damaged DNA. NEK7 has a regulatory role in the detection of oxidative damage to telomeric DNA. Finally, NEK10 has recently been shown to phosphorylate p53 at Y327, promoting cell cycle arrest after exposure to DNA damaging agents. In summary, this review highlights important discoveries of the ever-growing involvement of NEK kinases in the DDR pathways. A better understanding of these roles may open new diagnostic possibilities or pharmaceutical interventions regarding the chemo-sensitizing inhibition of NEKs in various forms of cancer and other diseases.
Collapse
Affiliation(s)
- Isadora Carolina Betim Pavan
- Graduate Program in “Ciências Farmacêuticas”, School of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, State University of Campinas (UNICAMP), R. Cândido Portinari 200, Prédio 2, Campinas CEP 13083-871, Brazil; (I.C.B.P.); (A.P.d.O.); (P.R.F.D.); (F.L.B.); (L.K.I.); (F.R.S.); (A.L.R.d.O.); (L.A.d.R.M.); (M.B.M.)
| | - Andressa Peres de Oliveira
- Graduate Program in “Ciências Farmacêuticas”, School of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, State University of Campinas (UNICAMP), R. Cândido Portinari 200, Prédio 2, Campinas CEP 13083-871, Brazil; (I.C.B.P.); (A.P.d.O.); (P.R.F.D.); (F.L.B.); (L.K.I.); (F.R.S.); (A.L.R.d.O.); (L.A.d.R.M.); (M.B.M.)
| | - Pedro Rafael Firmino Dias
- Graduate Program in “Ciências Farmacêuticas”, School of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, State University of Campinas (UNICAMP), R. Cândido Portinari 200, Prédio 2, Campinas CEP 13083-871, Brazil; (I.C.B.P.); (A.P.d.O.); (P.R.F.D.); (F.L.B.); (L.K.I.); (F.R.S.); (A.L.R.d.O.); (L.A.d.R.M.); (M.B.M.)
| | - Fernanda Luisa Basei
- Graduate Program in “Ciências Farmacêuticas”, School of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, State University of Campinas (UNICAMP), R. Cândido Portinari 200, Prédio 2, Campinas CEP 13083-871, Brazil; (I.C.B.P.); (A.P.d.O.); (P.R.F.D.); (F.L.B.); (L.K.I.); (F.R.S.); (A.L.R.d.O.); (L.A.d.R.M.); (M.B.M.)
| | - Luidy Kazuo Issayama
- Graduate Program in “Ciências Farmacêuticas”, School of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, State University of Campinas (UNICAMP), R. Cândido Portinari 200, Prédio 2, Campinas CEP 13083-871, Brazil; (I.C.B.P.); (A.P.d.O.); (P.R.F.D.); (F.L.B.); (L.K.I.); (F.R.S.); (A.L.R.d.O.); (L.A.d.R.M.); (M.B.M.)
| | - Camila de Castro Ferezin
- Graduate Program in “Biologia Funcional e Molecular”, Department of Biochemistry and Tissue Biology, Institute of Biology, State University of Campinas (UNICAMP), Campinas 13083-857, Brazil;
| | - Fernando Riback Silva
- Graduate Program in “Ciências Farmacêuticas”, School of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, State University of Campinas (UNICAMP), R. Cândido Portinari 200, Prédio 2, Campinas CEP 13083-871, Brazil; (I.C.B.P.); (A.P.d.O.); (P.R.F.D.); (F.L.B.); (L.K.I.); (F.R.S.); (A.L.R.d.O.); (L.A.d.R.M.); (M.B.M.)
| | - Ana Luisa Rodrigues de Oliveira
- Graduate Program in “Ciências Farmacêuticas”, School of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, State University of Campinas (UNICAMP), R. Cândido Portinari 200, Prédio 2, Campinas CEP 13083-871, Brazil; (I.C.B.P.); (A.P.d.O.); (P.R.F.D.); (F.L.B.); (L.K.I.); (F.R.S.); (A.L.R.d.O.); (L.A.d.R.M.); (M.B.M.)
| | - Lívia Alves dos Reis Moura
- Graduate Program in “Ciências Farmacêuticas”, School of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, State University of Campinas (UNICAMP), R. Cândido Portinari 200, Prédio 2, Campinas CEP 13083-871, Brazil; (I.C.B.P.); (A.P.d.O.); (P.R.F.D.); (F.L.B.); (L.K.I.); (F.R.S.); (A.L.R.d.O.); (L.A.d.R.M.); (M.B.M.)
| | - Mariana Bonjiorno Martins
- Graduate Program in “Ciências Farmacêuticas”, School of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, State University of Campinas (UNICAMP), R. Cândido Portinari 200, Prédio 2, Campinas CEP 13083-871, Brazil; (I.C.B.P.); (A.P.d.O.); (P.R.F.D.); (F.L.B.); (L.K.I.); (F.R.S.); (A.L.R.d.O.); (L.A.d.R.M.); (M.B.M.)
- Graduate Program in “Biologia Funcional e Molecular”, Department of Biochemistry and Tissue Biology, Institute of Biology, State University of Campinas (UNICAMP), Campinas 13083-857, Brazil;
| | | | - Jörg Kobarg
- Graduate Program in “Ciências Farmacêuticas”, School of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, State University of Campinas (UNICAMP), R. Cândido Portinari 200, Prédio 2, Campinas CEP 13083-871, Brazil; (I.C.B.P.); (A.P.d.O.); (P.R.F.D.); (F.L.B.); (L.K.I.); (F.R.S.); (A.L.R.d.O.); (L.A.d.R.M.); (M.B.M.)
- Graduate Program in “Biologia Funcional e Molecular”, Department of Biochemistry and Tissue Biology, Institute of Biology, State University of Campinas (UNICAMP), Campinas 13083-857, Brazil;
| |
Collapse
|
19
|
Li X, Wang M, Zheng W, Huang W, Wang Z, Jin K, Liu L, Yu Z. Dynamics of TRF1 organizing a single human telomere. Nucleic Acids Res 2021; 49:760-775. [PMID: 33347580 PMCID: PMC7826288 DOI: 10.1093/nar/gkaa1222] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 11/27/2020] [Accepted: 12/04/2020] [Indexed: 11/13/2022] Open
Abstract
Chromosome stability is primarily determined by telomere length. TRF1 is the core subunit of shelterin that plays a critical role in telomere organization and replication. However, the dynamics of TRF1 in scenarios of telomere-processing activities remain elusive. Using single-molecule magnetic tweezers, we here investigated the dynamics of TRF1 upon organizing a human telomere and the protein-DNA interactions at a moving telomeric fork. We first developed a method to obtain telomeres from human cells for directly measuring the telomere length by single-molecule force spectroscopy. Next, we examined the compaction and decompaction of a telomere by TRF1 dimers. TRF1 dissociates from a compacted telomere with heterogenous loops in ∼20 s. We also found a negative correlation between the number of telomeric loops and loop sizes. We further characterized the dynamics of TRF1 at a telomeric DNA fork. With binding energies of 11 kBT, TRF1 can modulate the forward and backward steps of DNA fork movements by 2-9 s at a critical force of F1/2, temporarily maintaining the telomeric fork open. Our results shed light on the mechanisms of how TRF1 organizes human telomeres and facilitates the efficient replication of telomeric DNA. Our work will help future research on the chemical biology of telomeres and shelterin-targeted drug discovery.
Collapse
Affiliation(s)
- Xu Li
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, 38 Tongyan Road, Tianjin 300350, China
| | - Meijie Wang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, 38 Tongyan Road, Tianjin 300350, China
| | - Wei Zheng
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, 38 Tongyan Road, Tianjin 300350, China
| | - Wei Huang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, 38 Tongyan Road, Tianjin 300350, China
| | - Zeyu Wang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, 38 Tongyan Road, Tianjin 300350, China
| | - Kairang Jin
- State Key Laboratory of Medicinal Chemical Biology, Department of Cell Biology and Genetics, College of Life Sciences, Nankai University, 94 Weijin Road, Tianjin 300071, China
| | - Lin Liu
- State Key Laboratory of Medicinal Chemical Biology, Department of Cell Biology and Genetics, College of Life Sciences, Nankai University, 94 Weijin Road, Tianjin 300071, China
| | - Zhongbo Yu
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, 38 Tongyan Road, Tianjin 300350, China
| |
Collapse
|
20
|
Chen Y, Shao X, Cao J, Zhu H, Yang B, He Q, Ying M. Phosphorylation regulates cullin-based ubiquitination in tumorigenesis. Acta Pharm Sin B 2021; 11:309-321. [PMID: 33643814 PMCID: PMC7893081 DOI: 10.1016/j.apsb.2020.09.007] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 08/13/2020] [Accepted: 08/21/2020] [Indexed: 02/06/2023] Open
Abstract
Cullin-RING ligases (CRLs) recognize and interact with substrates for ubiquitination and degradation, and can be targeted for disease treatment when the abnormal expression of substrates involves pathologic processes. Phosphorylation, either of substrates or receptors of CRLs, can alter their interaction. Phosphorylation-dependent ubiquitination and proteasome degradation influence various cellular processes and can contribute to the occurrence of various diseases, most often tumorigenesis. These processes have the potential to be used for tumor intervention through the regulation of the activities of related kinases, along with the regulation of the stability of specific oncoproteins and tumor suppressors. This review describes the mechanisms and biological functions of crosstalk between phosphorylation and ubiquitination, and most importantly its influence on tumorigenesis, to provide new directions and strategies for tumor therapy.
Collapse
Key Words
- AIRE, autoimmune regulator
- AKT, AKT serine/threonine kinase
- ATR, ataxia telangiectasia-mutated and Rad3-related
- BCL2, BCL2 apoptosis regulator
- BMAL1, aryl hydrocarbon receptor nuclear translocator like
- CDK2/4, cyclin dependent kinase 2/4
- CDT2, denticleless E3 ubiquitin protein ligase homolog
- CHK1, checkpoint kinase 1
- CK1/2, casein kinase I/II
- CLOCK, clock circadian regulator
- COMMD1, copper metabolism domain containing 1
- CRL, cullin-RING ligase
- CRY1, cryptochrome circadian regulator 1
- CSN, COP9 signalosome
- Ci, cubitus interruptus
- Crosstalk
- Cullin-RING ligases
- DDB1, damage specific DNA binding protein 1
- DYRK1A/B, dual-specificity tyrosine-phosphorylation-regulated kinases 1A/B
- Degradation
- EMT, epithelial–mesenchymal transition
- ERG, ETS transcription factor ERG
- ERK, mitogen-activated protein kinase 1
- EXO1, exonuclease 1
- FBW7, F-box and WD repeat domain containing 7
- FBXL3, F-box and leucine rich repeat protein
- FBXO3/31, F-box protein 3/31
- FZR1, fizzy and cell division cycle 20 related 1
- HCC, hepatocellular carcinomas
- HIB, Hedghog-induced MATH and BTB domain-containing protein
- HIF1α, NF-κB and hypoxia inducible factor 1 subunit alpha
- ID2, inhibitor of DNA binding 2
- JAB1, c-Jun activation domain binding protein-1
- KBTBD8, kelch repeat and BTB domain containing 8
- KDM2B, lysine demethylase 2B
- KEAP1, kelch like ECH associated protein 1
- KLHL3, kelch like family member 3
- KRAS, KRAS proto-oncogene, GTPase
- Kinases
- MYC, MYC proto-oncogene, bHLH transcription factor
- NEDD8, NEDD8 ubiquitin like modifier
- NOLC1, nucleolar and coiled-body phosphoprotein 1
- NRF2, nuclear factor, erythroid 2 like 2
- P-TEFb, positive transcription elongation factor b
- PDL1, programmed death ligand 1
- PKC, protein kinase C
- PKM2, pyruvate kinase M2 isoform
- PYGO2, pygopus 2
- Phosphorylation
- RA, retinoic acid
- RARα, RA receptor α
- RRM2, ribonucleotide reductase regulatory subunit M2
- SNAIL1, snail family transcriptional repressor 1
- SOCS6, suppressor of cytokine signaling 6
- SPOP, speckle-type POZ protein
- SRC-3, nuclear receptor coactivator 3
- TCN, triciribine hydrate
- TCOF1, treacle ribosome biogenesis factor 1
- TRF1, telomeric repeat binding factor 1
- Targeted therapy
- Tumorigenesis
- USP37, ubiquitin specific peptidase 37
- Ubiquitination
- VHL, von Hippel-Lindau tumor suppressor
- Vps34, phosphatidylinositol 3-kinase catalytic subunit type 3
- XBP1, X-box binding protein 1
- ZBTB16, zinc finger and BTB domain containing 16
- c-Fos, Fos proto-oncogene, AP-1 transcription factor subunit
- p130Cas, BCAR1 scaffold protein, Cas family member
Collapse
|
21
|
Wani K, AlHarthi H, Alghamdi A, Sabico S, Al-Daghri NM. Role of NLRP3 Inflammasome Activation in Obesity-Mediated Metabolic Disorders. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:E511. [PMID: 33435142 PMCID: PMC7826517 DOI: 10.3390/ijerph18020511] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 12/22/2020] [Accepted: 01/06/2021] [Indexed: 12/12/2022]
Abstract
NLRP3 inflammasome is one of the multimeric protein complexes of the nucleotide-binding domain, leucine-rich repeat (NLR)-containing pyrin and HIN domain family (PYHIN). When activated, NLRP3 inflammasome triggers the release of pro-inflammatory interleukins (IL)-1β and IL-18, an essential step in innate immune response; however, defective checkpoints in inflammasome activation may lead to autoimmune, autoinflammatory, and metabolic disorders. Among the consequences of NLRP3 inflammasome activation is systemic chronic low-grade inflammation, a cardinal feature of obesity and insulin resistance. Understanding the mechanisms involved in the regulation of NLRP3 inflammasome in adipose tissue may help in the development of specific inhibitors for the treatment and prevention of obesity-mediated metabolic diseases. In this narrative review, the current understanding of NLRP3 inflammasome activation and regulation is highlighted, including its putative roles in adipose tissue dysfunction and insulin resistance. Specific inhibitors of NLRP3 inflammasome activation which can potentially be used to treat metabolic disorders are also discussed.
Collapse
Affiliation(s)
| | | | | | | | - Nasser M. Al-Daghri
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (K.W.); (H.A.); (A.A.); (S.S.)
| |
Collapse
|
22
|
Sun Z, Gong W, Zhang Y, Jia Z. Physiological and Pathological Roles of Mammalian NEK7. Front Physiol 2020; 11:606996. [PMID: 33364979 PMCID: PMC7750478 DOI: 10.3389/fphys.2020.606996] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 11/18/2020] [Indexed: 12/14/2022] Open
Abstract
NEK7 is the smallest NIMA-related kinase (NEK) in mammals. The pathological and physiological roles of NEK7 have been widely reported in many studies. To date, the major function of NEK7 has been well documented in mitosis and NLRP3 inflammasome activation, but the detailed mechanisms of its regulation remain unclear. This review summarizes current advances in NEK7 research involving mitotic regulation, NLRP3 inflammasome activation, related diseases and potential inhibitors, which may provide new insights into the understanding and therapy of the diseases associated with NEK7, as well as the subsequent studies in the future.
Collapse
Affiliation(s)
- Zhenzhen Sun
- Department of Nephrology, Children's Hospital of Nanjing Medical University, Nanjing, China.,Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, China.,Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
| | - Wei Gong
- Department of Nephrology, Children's Hospital of Nanjing Medical University, Nanjing, China.,Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, China.,Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
| | - Yue Zhang
- Department of Nephrology, Children's Hospital of Nanjing Medical University, Nanjing, China.,Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, China.,Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
| | - Zhanjun Jia
- Department of Nephrology, Children's Hospital of Nanjing Medical University, Nanjing, China.,Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, China.,Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
| |
Collapse
|
23
|
Yuan X, Dai M, Xu D. Telomere-related Markers for Cancer. Curr Top Med Chem 2020; 20:410-432. [PMID: 31903880 PMCID: PMC7475940 DOI: 10.2174/1568026620666200106145340] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 12/03/2019] [Accepted: 12/14/2019] [Indexed: 02/06/2023]
Abstract
Telomeres are structurally nucleoprotein complexes at termini of linear chromosomes and essential to chromosome stability/integrity. In normal human cells, telomere length erodes progressively with each round of cell divisions, which serves as an important barrier to uncontrolled proliferation and malignant transformation. In sharp contrast, telomere maintenance is a key feature of human malignant cells and required for their infinite proliferation and maintenance of other cancer hallmarks as well. Thus, a telomere-based anti-cancer strategy has long been suggested. However, clinically efficient and specific drugs targeting cancer telomere-maintenance have still been in their infancy thus far. To achieve this goal, it is highly necessary to elucidate how exactly cancer cells maintain functional telomeres. In the last two decades, numerous studies have provided profound mechanistic insights, and the identified mechanisms include the aberrant activation of telomerase or the alternative lengthening of telomere pathway responsible for telomere elongation, dysregulation and mutation of telomere-associated factors, and other telomere homeostasis-related signaling nodes. In the present review, these various strategies employed by malignant cells to regulate their telomere length, structure and function have been summarized, and potential implications of these findings in the rational development of telomere-based cancer therapy and other clinical applications for precision oncology have been discussed.
Collapse
Affiliation(s)
- Xiaotian Yuan
- Center for Reproductive Medicine, Shandong University, Jinan, 250012, China
| | - Mingkai Dai
- Central Research Laboratory, Shandong University Second Hospital, Jinan, 250033, China.,Karolinska Institute Collaborative Laboratory for Cancer and Stem Cell Research, Shandong University Second Hospital, Jinan, 250033, China
| | - Dawei Xu
- Karolinska Institute Collaborative Laboratory for Cancer and Stem Cell Research, Shandong University Second Hospital, Jinan, 250033, China.,Department of Medicine, Division of Hematology, Center for Molecular Medicine (CMM) and Bioclinicum, Karolinska Institute and Karolinska University Hospital Solna, Solna 171 64, Sweden
| |
Collapse
|
24
|
House NCM, Parasuram R, Layer JV, Price BD. Site-specific targeting of a light activated dCas9-KillerRed fusion protein generates transient, localized regions of oxidative DNA damage. PLoS One 2020; 15:e0237759. [PMID: 33332350 PMCID: PMC7746297 DOI: 10.1371/journal.pone.0237759] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 11/30/2020] [Indexed: 12/12/2022] Open
Abstract
DNA repair requires reorganization of the local chromatin structure to facilitate access to and repair of the DNA. Studying DNA double-strand break (DSB) repair in specific chromatin domains has been aided by the use of sequence-specific endonucleases to generate targeted breaks. Here, we describe a new approach that combines KillerRed, a photosensitizer that generates reactive oxygen species (ROS) when exposed to light, and the genome-targeting properties of the CRISPR/Cas9 system. Fusing KillerRed to catalytically inactive Cas9 (dCas9) generates dCas9-KR, which can then be targeted to any desired genomic region with an appropriate guide RNA. Activation of dCas9-KR with green light generates a local increase in reactive oxygen species, resulting in "clustered" oxidative damage, including both DNA breaks and base damage. Activation of dCas9-KR rapidly (within minutes) increases both γH2AX and recruitment of the KU70/80 complex. Importantly, this damage is repaired within 10 minutes of termination of light exposure, indicating that the DNA damage generated by dCas9-KR is both rapid and transient. Further, repair is carried out exclusively through NHEJ, with no detectable contribution from HR-based mechanisms. Surprisingly, sequencing of repaired DNA damage regions did not reveal any increase in either mutations or INDELs in the targeted region, implying that NHEJ has high fidelity under the conditions of low level, limited damage. The dCas9-KR approach for creating targeted damage has significant advantages over the use of endonucleases, since the duration and intensity of DNA damage can be controlled in "real time" by controlling light exposure. In addition, unlike endonucleases that carry out multiple cut-repair cycles, dCas9-KR produces a single burst of damage, more closely resembling the type of damage experienced during acute exposure to reactive oxygen species or environmental toxins. dCas9-KR is a promising system to induce DNA damage and measure site-specific repair kinetics at clustered DNA lesions.
Collapse
Affiliation(s)
- Nealia C. M. House
- Department of Radiation Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, United States of America
| | - Ramya Parasuram
- Department of Radiation Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, United States of America
| | - Jacob V. Layer
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, United States of America
| | - Brendan D. Price
- Department of Radiation Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, United States of America
| |
Collapse
|
25
|
Byrne MJ, Nasir N, Basmadjian C, Bhatia C, Cunnison RF, Carr KH, Mas-Droux C, Yeoh S, Cano C, Bayliss R. Nek7 conformational flexibility and inhibitor binding probed through protein engineering of the R-spine. Biochem J 2020; 477:1525-1539. [PMID: 32242624 PMCID: PMC7200626 DOI: 10.1042/bcj20200128] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 04/02/2020] [Accepted: 04/03/2020] [Indexed: 12/13/2022]
Abstract
Nek7 is a serine/threonine-protein kinase required for proper spindle formation and cytokinesis. Elevated Nek7 levels have been observed in several cancers, and inhibition of Nek7 might provide a route to the development of cancer therapeutics. To date, no selective and potent Nek7 inhibitors have been identified. Nek7 crystal structures exhibit an improperly formed regulatory-spine (R-spine), characteristic of an inactive kinase. We reasoned that the preference of Nek7 to crystallise in this inactive conformation might hinder attempts to capture Nek7 in complex with Type I inhibitors. Here, we have introduced aromatic residues into the R-spine of Nek7 with the aim to stabilise the active conformation of the kinase through R-spine stacking. The strong R-spine mutant Nek7SRS retained catalytic activity and was crystallised in complex with compound 51, an ATP-competitive inhibitor of Nek2 and Nek7. Subsequently, we obtained the same crystal form for wild-type Nek7WT in apo form and bound to compound 51. The R-spines of the three well-ordered Nek7WT molecules exhibit variable conformations while the R-spines of the Nek7SRS molecules all have the same, partially stacked configuration. Compound 51 bound to Nek2 and Nek7 in similar modes, but differences in the precise orientation of a substituent highlights features that could be exploited in designing inhibitors that are selective for particular Nek family members. Although the SRS mutations are not required to obtain a Nek7-inhibitor structure, we conclude that it is a useful strategy for restraining the conformation of a kinase in order to promote crystallogenesis.
Collapse
Affiliation(s)
- Matthew J. Byrne
- Astbury Centre for Structural Molecular Biology, School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds, U.K
| | - Nazia Nasir
- Astbury Centre for Structural Molecular Biology, School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds, U.K
| | - Christine Basmadjian
- Newcastle University Centre for Cancer, School of Natural and Environmental Sciences, Newcastle University, Newcastle Upon Tyne, U.K
| | - Chitra Bhatia
- Department of Molecular and Cell Biology, University of Leicester, Leicester, U.K
| | - Rory F. Cunnison
- Department of Molecular and Cell Biology, University of Leicester, Leicester, U.K
| | - Katherine H. Carr
- Department of Molecular and Cell Biology, University of Leicester, Leicester, U.K
| | - Corine Mas-Droux
- Section of Structural Biology, The Institute of Cancer Research, London, U.K
| | - Sharon Yeoh
- Astbury Centre for Structural Molecular Biology, School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds, U.K
| | - Céline Cano
- Newcastle University Centre for Cancer, School of Natural and Environmental Sciences, Newcastle University, Newcastle Upon Tyne, U.K
| | - Richard Bayliss
- Astbury Centre for Structural Molecular Biology, School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds, U.K
| |
Collapse
|
26
|
Liu G, Chen X, Wang Q, Yuan L. NEK7: a potential therapy target for NLRP3-related diseases. Biosci Trends 2020; 14:74-82. [PMID: 32295992 DOI: 10.5582/bst.2020.01029] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
NLRP3 inflammasome plays an essential role in innate immunity, yet the activation mechanism of NLRP3 inflammasome is not clear. In human or animal models, inappropriate NLRP3 inflammasome activation is implicated in many NLRP3-related diseases, such as tumors, inflammatory diseases and autoimmune diseases. Until now, a great number of inhibitors have been used to disturb the related signaling pathways, such as IL-1β blockade, IL-18 blockade and caspase-1 inhibitors. Unfortunately, most of these inhibitors just disturb the signaling pathways after the activation of NLRP3 inflammasome. Inhibitors that directly regulate NLRP3 to abolish the inflammation response may be more effective. NEK7 is a multifunctional kinase affecting centrosome duplication, mitochondrial regulation, intracellular protein transport, DNA repair and mitotic spindle assembly. Researchers have made significant observations on the regulation of gene transcription or protein expression of the NLRP3 inflammasome signaling pathway by NEK7. Those signaling pathways include ROS signaling, potassium efflux, lysosomal destabilization, and NF-κB signaling. Furthermore, NEK7 has been proved to be involved in many NLRP3-related diseases in humans or in animal models. Inhibitors focused on NEK7 may regulate NLRP3 to abolish the inflammation response and NEK7 may be a potential therapeutic target for NLRP3-related diseases.
Collapse
Affiliation(s)
- Ganglei Liu
- Department of Geriatrics Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xueliang Chen
- Department of Geriatrics Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qianqian Wang
- Department of Oncology, The Affiliated Zhuzhou Hospital of Xiangya Medical College, Central South University, Zhuzhou, Hunan, China
| | - Lianwen Yuan
- Department of Geriatrics Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| |
Collapse
|
27
|
Cyclin D degradation by E3 ligases in cancer progression and treatment. Semin Cancer Biol 2020; 67:159-170. [PMID: 32006569 DOI: 10.1016/j.semcancer.2020.01.012] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 01/20/2020] [Accepted: 01/27/2020] [Indexed: 12/15/2022]
Abstract
D cyclins include three isoforms: D1, D2, and D3. D cyclins heterodimerize with cyclin-dependent kinase 4/6 (CDK4/6) to form kinase complexes that can phosphorylate and inactivate Rb. Inactivation of Rb triggers the activation of E2F transcription factors, which in turn regulate the expression of genes whose products drive cell cycle progression. Because D-type cyclins function as mitogenic sensors that link growth factor signaling directly with G1 phase progression, it is not surprising that D cyclin accumulation is dysregulated in a variety of human tumors. Elevated expression of D cyclins results from gene amplification, increased gene transcription and protein translation, decreased microRNA levels, and inefficiency or loss of ubiquitylation-mediated protein degradation. This review focuses on the clinicopathological importance of D cyclins, how dysregulation of Ubiquitin-Proteasome System (UPS) contributes to the overexpression of D cyclins, and the therapeutic potential through targeting D cyclin-related machinery in human tumors.
Collapse
|
28
|
Yang X, Li W, Zhang S, Wu D, Jiang X, Tan R, Niu X, Wang Q, Wu X, Liu Z, Chen L, Qin J, Su B. PLK4 deubiquitination by Spata2-CYLD suppresses NEK7-mediated NLRP3 inflammasome activation at the centrosome. EMBO J 2020; 39:e102201. [PMID: 31762063 PMCID: PMC6960439 DOI: 10.15252/embj.2019102201] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 10/13/2019] [Accepted: 10/21/2019] [Indexed: 12/11/2022] Open
Abstract
The innate immune sensor NLRP3 assembles an inflammasome complex with NEK7 and ASC to activate caspase-1 and drive the maturation of proinflammatory cytokines IL-1β and IL-18. NLRP3 inflammasome activity must be tightly controlled, as its over-activation is involved in the pathogenesis of inflammatory diseases. Here, we show that NLRP3 inflammasome activation is suppressed by a centrosomal protein Spata2. Spata2 deficiency enhances NLRP3 inflammasome activity both in the macrophages and in an animal model of peritonitis. Mechanistically, Spata2 recruits the deubiquitinase CYLD to the centrosome for deubiquitination of polo-like kinase 4 (PLK4), the master regulator of centrosome duplication. Deubiquitination of PLK4 facilitates its binding to and phosphorylation of NEK7 at Ser204. NEK7 phosphorylation in turn attenuates NEK7 and NLRP3 interaction, which is required for NLRP3 inflammasome activation. Pharmacological or shRNA-mediated inhibition of PLK4, or mutation of the NEK7 Ser204 phosphorylation site, augments NEK7 interaction with NLRP3 and causes increased NLRP3 inflammasome activation. Our study unravels a novel centrosomal regulatory pathway of inflammasome activation and may provide new therapeutic targets for the treatment of NLRP3-associated inflammatory diseases.
Collapse
Affiliation(s)
- Xiao‐Dong Yang
- Shanghai Jiao Tong University School of Medicine‐Yale Institute for Immune MetabolismShanghai Jiao Tong University School of MedicineShanghaiChina§
| | - Wenguo Li
- Shanghai Jiao Tong University School of Medicine‐Yale Institute for Immune MetabolismShanghai Jiao Tong University School of MedicineShanghaiChina§
| | - Shuangyan Zhang
- Shanghai Jiao Tong University School of Medicine‐Yale Institute for Immune MetabolismShanghai Jiao Tong University School of MedicineShanghaiChina§
| | - Dandan Wu
- Shanghai Jiao Tong University School of Medicine‐Yale Institute for Immune MetabolismShanghai Jiao Tong University School of MedicineShanghaiChina§
| | - Xiaoli Jiang
- Shanghai Jiao Tong University School of Medicine‐Yale Institute for Immune MetabolismShanghai Jiao Tong University School of MedicineShanghaiChina§
| | - Rong Tan
- Xiangya HospitalCentral South UniversityChangshaChina
| | - Xiaoyin Niu
- Shanghai Jiao Tong University School of Medicine‐Yale Institute for Immune MetabolismShanghai Jiao Tong University School of MedicineShanghaiChina§
| | - Qijun Wang
- Shanghai Jiao Tong University School of Medicine‐Yale Institute for Immune MetabolismShanghai Jiao Tong University School of MedicineShanghaiChina§
| | - Xuefeng Wu
- Shanghai Jiao Tong University School of Medicine‐Yale Institute for Immune MetabolismShanghai Jiao Tong University School of MedicineShanghaiChina§
| | - Zhiduo Liu
- Shanghai Jiao Tong University School of Medicine‐Yale Institute for Immune MetabolismShanghai Jiao Tong University School of MedicineShanghaiChina§
| | - Lin‐Feng Chen
- Department of BiochemistryUniversity of Illinois at Urbana‐ChampaignUrbanaILUSA
| | - Jun Qin
- Department of Biochemistry and Molecular BiologyBaylor College of MedicineHoustonTXUSA
| | - Bing Su
- Shanghai Jiao Tong University School of Medicine‐Yale Institute for Immune MetabolismShanghai Jiao Tong University School of MedicineShanghaiChina§
- Yale University Institute for Immune MetabolismShanghai Jiao Tong University School of MedicineShanghaiChina
| |
Collapse
|
29
|
Melo-Hanchuk TD, Martins MB, Cunha LL, Soares FA, Ward LS, Vassallo J, Kobarg J. Expression of the NEK family in normal and cancer tissue: an immunohistochemical study. BMC Cancer 2020; 20:23. [PMID: 31906878 PMCID: PMC6945616 DOI: 10.1186/s12885-019-6408-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 11/28/2019] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND The NEK serine/threonine protein kinases are involved in cell cycle checkpoints, DNA damage repair, and apoptosis. Alterations in these pathways are frequently associated with cell malignant cellular transformations. Thyroid cancer is the most common malignant tumour in the endocrine system. Despite good treatment methods, the number of cases has increased significantly in recent years. Here, we studied the expression of NEK1, NEK2, NEK3, and NEK5 in different types of normal and malignant tissues, using tissue microarray analysis, and identified NEKs as potential markers in thyroid malignancy. METHODS The studied cases comprised multiple cancer tissue microarrays, including breast, colon, esophagus, kidney, lung, pancreas, prostate, stomach, thyroid and uterine cervix, as well as 281 patients who underwent thyroid resection for thyroid cancer or thyroid nodules. The expression of NEK1, NEK2, NEK3, and NEK5 was analyzed by immunohistochemistry. The expression pattern was evaluated in terms of intensity by two methods, semiquantitative and quantitative, and was compared between normal and cancer tissue. RESULTS We analysed the expression of each member of the NEK family in a tissue-dependent manner. Compared to normal tissue, most of the evaluated proteins showed lower expression in lung tumour. However, in the thyroid, the expression was higher in malignant tissue, especially for NEK 1, NEK3 and NEK5. Concerning characteristics of the thyroid tumour, such as aggressiveness, NEK1 expression was higher in tumours with multifocality and in patients with lymph node metastasis. NEK3 expression was stronger in patients with stage II, that involved metastasis. NEK5, on the other hand, showed high expression in patients with invasion and metastasis and in patients with tumour size > 4 cm. Furthermore, this work, demonstrated for the first time a high specificity and sensitivity of over-expression of NEK1 in classical and follicular variants of papillary thyroid cancer and NEK3 in tall-cell papillary thyroid cancer. CONCLUSION Taken together, the NEK protein kinases emerge as important proteins in thyroid cancer development and may help to identify malignancy and aggressiveness features during diagnosis. TRIAL REGISTRATION This study was retrospectively registered. www.accamargo.org.br/cientistas-pesquisadores/comite-de-etica-em-pequisa-cep.
Collapse
Affiliation(s)
- Talita Diniz Melo-Hanchuk
- Departamento de Bioquímica e de Biologia Tecidual, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Mariana Bonjiorno Martins
- Departamento de Bioquímica e de Biologia Tecidual, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Lucas Leite Cunha
- Laboratório de Genética Molecular do Câncer, Faculdade de Ciências Médicas Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | | | - Laura Sterian Ward
- Laboratório de Genética Molecular do Câncer, Faculdade de Ciências Médicas Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - José Vassallo
- Departamento de Anatomia Patológica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Jörg Kobarg
- Departamento de Bioquímica e de Biologia Tecidual, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil. .,Faculdade de Ciências Farmacêuticas-UNICAMP, Universidade Estadual de Campinas, Campinas, Inst. de Biologia, Dep. Bioquímica e Biologia Tecidual, Rua Monteiro Lobato 255, CEP 13083-862, Campinas-SP, Brazil.
| |
Collapse
|
30
|
van Gastel J, Leysen H, Santos-Otte P, Hendrickx JO, Azmi A, Martin B, Maudsley S. The RXFP3 receptor is functionally associated with cellular responses to oxidative stress and DNA damage. Aging (Albany NY) 2019; 11:11268-11313. [PMID: 31794429 PMCID: PMC6932917 DOI: 10.18632/aging.102528] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 11/18/2019] [Indexed: 12/19/2022]
Abstract
DNA damage response (DDR) processes, often caused by oxidative stress, are important in aging and -related disorders. We recently showed that G protein-coupled receptor (GPCR) kinase interacting protein 2 (GIT2) plays a key role in both DNA damage and oxidative stress. Multiple tissue analyses in GIT2KO mice demonstrated that GIT2 expression affects the GPCR relaxin family peptide 3 receptor (RXFP3), and is thus a therapeutically-targetable system. RXFP3 and GIT2 play similar roles in metabolic aging processes. Gaining a detailed understanding of the RXFP3-GIT2 functional relationship could aid the development of novel anti-aging therapies. We determined the connection between RXFP3 and GIT2 by investigating the role of RXFP3 in oxidative stress and DDR. Analyzing the effects of oxidizing (H2O2) and DNA-damaging (camptothecin) stressors on the interacting partners of RXFP3 using Affinity Purification-Mass Spectrometry, we found multiple proteins linked to DDR and cell cycle control. RXFP3 expression increased in response to DNA damage, overexpression, and Relaxin 3-mediated stimulation of RXFP3 reduced phosphorylation of DNA damage marker H2AX, and repair protein BRCA1, moderating DNA damage. Our data suggests an RXFP3-GIT2 system that could regulate cellular degradation after DNA damage, and could be a novel mechanism for mitigating the rate of age-related damage accumulation.
Collapse
Affiliation(s)
- Jaana van Gastel
- Receptor Biology Lab, Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium.,Translational Neurobiology Group, Centre for Molecular Neuroscience, VIB, Antwerp, Belgium
| | - Hanne Leysen
- Receptor Biology Lab, Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium.,Translational Neurobiology Group, Centre for Molecular Neuroscience, VIB, Antwerp, Belgium
| | - Paula Santos-Otte
- Center for Molecular and Cellular Bioengineering (CMCB), Technische Universität Dresden, Dresden, Germany
| | - Jhana O Hendrickx
- Receptor Biology Lab, Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium.,Translational Neurobiology Group, Centre for Molecular Neuroscience, VIB, Antwerp, Belgium
| | - Abdelkrim Azmi
- Translational Neurobiology Group, Centre for Molecular Neuroscience, VIB, Antwerp, Belgium
| | - Bronwen Martin
- Faculty of Pharmaceutical, Veterinary and Biomedical Science, University of Antwerp, Antwerp, Belgium
| | - Stuart Maudsley
- Receptor Biology Lab, Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium.,Translational Neurobiology Group, Centre for Molecular Neuroscience, VIB, Antwerp, Belgium
| |
Collapse
|
31
|
Wang T, Du Q, Niu Y, Zhang X, Wang Z, Wu X, Yang X, Zhao X, Liu SL, Tong D, Huang Y. Cellular p32 Is a Critical Regulator of Porcine Circovirus Type 2 Nuclear Egress. J Virol 2019; 93:e00979-19. [PMID: 31511386 PMCID: PMC6854514 DOI: 10.1128/jvi.00979-19] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 09/03/2019] [Indexed: 12/25/2022] Open
Abstract
Circoviruses are the smallest DNA viruses known to infect mammalian and avian species. Although circoviruses are known to be associated with a range of clinical diseases, the details of circovirus DNA release still remain unknown. Here, we identified p32 as a key regulator for porcine circoviral nuclear egress. Upon porcine circovirus type 2 (PCV2) infection, p32 was recruited into the nucleus by the viral capsid (Cap) protein; simultaneously, protein kinase C isoform δ (PKC-δ) was phosphorylated at threonine 505 by phospholipase C (PLC)-mediated signaling at the early stage of infection, which was further amplified by Jun N-terminal protein kinase (JNK) and extracellular signal-regulated kinase (ERK) signaling at the late infection phase. p32 functioned as an adaptor to recruit phosphorylated PKC-δ and Cap to the nuclear membrane to phosphorylate lamin A/C, resulting in a rearrangement of nuclear lamina and thus facilitating viral nuclear egress. Consistent with these findings, knockout (KO) of p32 in PCV2-infected cells markedly reduced the phosphorylation of PKC-δ and impeded the recruitment of p-PKC-δ and Cap to the nuclear membrane, hence abolishing the phosphorylation of lamin A/C and the rearrangement of nuclear lamina. As a result, p32 depletion profoundly impaired the production of cell-free viruses during PCV2 infection. We further identified the N-terminal 24RRR26 of Cap to be crucial for binding to p32, and mutation of these three arginine residues significantly weakened the replication and pathogenesis of PCV2 in vivo In summary, our findings highlight a critical role of p32 in the activation and recruitment of PKC-δ to phosphorylate lamin A/C and facilitate porcine circoviral nuclear egress, and they certainly help understanding of the mechanism of PCV2 replication.IMPORTANCE Circovirus infections are highly prevalent in mammalian and avian species. Circoviral capsid protein is the only structural protein of the virion that plays an essential role in viral assembly. However, the machinery of circovirus nuclear egress is currently unknown. In this work, we identified p32 as a key regulator of porcine circovirus type 2 (PCV2) nuclear egress that forms a complex with the viral capsid (Cap) protein to enhance protein kinase C isoform δ (PKC-δ) activity; this resulted in a recruitment of phosphorylated PKC-δ to the nuclear membrane, which further phosphorylates lamin A/C to promote the rearrangement of nuclear lamina and facilitate viral nuclear egress. Notably, we found that the N-terminal 24RRR26 of Cap, a highly conserved motif among circovirus species, was required for interacting with p32, and that mutation of this motif markedly impeded PCV2 nuclear egress. These data indicate that p32 is a critical regulator of PCV2 nuclear egress and reveal the importance of this finding in circovirus replication.
Collapse
Affiliation(s)
- Tongtong Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
- College of Agronomy, Liaocheng University, Liaocheng, China
| | - Qian Du
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Yingying Niu
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Xiaohua Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Zhenyu Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Xingchen Wu
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - XueFeng Yang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Xiaomin Zhao
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Shan-Lu Liu
- Center for Retrovirus Research, The Ohio State University, Columbus, Ohio, USA
- Viruses and Emerging Pathogens Program, Infectious Diseases Institute, The Ohio State University, Columbus, Ohio, USA
- Department of Veterinary Biosciences, The Ohio State University, Columbus, Ohio, USA
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, Ohio, USA
| | - Dewen Tong
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Yong Huang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| |
Collapse
|
32
|
Chen M, Sheng XJ, Qin YY, Zhu S, Wu QX, Jia L, Meng N, He YT, Yan GR. TBC1D8 Amplification Drives Tumorigenesis through Metabolism Reprogramming in Ovarian Cancer. Theranostics 2019; 9:676-690. [PMID: 30809301 PMCID: PMC6376479 DOI: 10.7150/thno.30224] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 12/22/2018] [Indexed: 12/12/2022] Open
Abstract
Cancer cells undergo metabolic reprogramming to support their energy demand and biomass synthesis. However, the mechanisms driving cancer metabolism reprogramming are not well understood. Methods: The differential proteins and interacted proteins were identified by proteomics. Western blot, qRT-PCR and IHC staining were used to analyze TBC1D8 levels. In vivo tumorigenesis and metastasis were performed by xenograft tumor model. Cross-Linking assays were designed to analyze PKM2 polymerization. Lactate production, glucose uptake and PK activity were determined. Results: We established two aggressive ovarian cancer (OVCA) cell models with increased aerobic glycolysis. TBC1D8, a member of the TBC domain protein family, was significantly up-regulated in the more aggressive OVCA cells. TBC1D8 is amplified and up-regulated in OVCA tissues. OVCA patients with high TBC1D8 levels have poorer prognoses. TBC1D8 promotes OVCA tumorigenesis and aerobic glycolysis in a GAP activity-independent manner in vitro and in vivo. TBC1D8 bound to PKM2, not PKM1, via its Rab-GAP TBC domain. Mechanistically, TBC1D8 binds to PKM2 and hinders PKM2 tetramerization to decreases pyruvate kinase activity and promote aerobic glycolysis, and to promote the nuclear translocation of PKM2, which induces the expression of genes which are involved in glucose metabolism and cell cycle. Conclusions:TBC1D8 drives OVCA tumorigenesis and metabolic reprogramming, and TBC1D8 serves as an independent prognosis factor for OVCA patients.
Collapse
Affiliation(s)
- Min Chen
- Biomedicine Research Center, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Xiu-Jie Sheng
- Department of Obstetrics and Gynecology, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Yuan-Yi Qin
- Biomedicine Research Center, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Song Zhu
- Biomedicine Research Center, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Qing-Xia Wu
- Biomedicine Research Center, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
- Department of Obstetrics and Gynecology, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Liqing Jia
- Biomedicine Research Center, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Nan Meng
- Biomedicine Research Center, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Yu-Tian He
- Biomedicine Research Center, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Guang-Rong Yan
- Biomedicine Research Center, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
- Key Laboratory of Protein Modification and Degradation, Guangzhou Medical University, Guangzhou, 511436, China
| |
Collapse
|
33
|
Barnes RP, Fouquerel E, Opresko PL. The impact of oxidative DNA damage and stress on telomere homeostasis. Mech Ageing Dev 2019; 177:37-45. [PMID: 29604323 PMCID: PMC6162185 DOI: 10.1016/j.mad.2018.03.013] [Citation(s) in RCA: 283] [Impact Index Per Article: 56.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 03/23/2018] [Accepted: 03/27/2018] [Indexed: 12/12/2022]
Abstract
Telomeres are dynamic nucleoprotein-DNA structures that cap and protect linear chromosome ends. Because telomeres shorten progressively with each replication, they impose a functional limit on the number of times a cell can divide. Critically short telomeres trigger cellular senescence in normal cells, or genomic instability in pre-malignant cells, which contribute to numerous degenerative and aging-related diseases including cancer. Therefore, a detailed understanding of the mechanisms of telomere loss and preservation is important for human health. Numerous studies have shown that oxidative stress is associated with accelerated telomere shortening and dysfunction. Oxidative stress caused by inflammation, intrinsic cell factors or environmental exposures, contributes to the pathogenesis of many degenerative diseases and cancer. Here we review the studies demonstrating associations between oxidative stress and accelerated telomere attrition in human tissue, mice and cell culture, and discuss possible mechanisms and cellular pathways that protect telomeres from oxidative damage.
Collapse
|
34
|
Olsson M, Friesen CR, Rollings N, Sudyka J, Lindsay W, Whittington CM, Wilson M. Long-term effects of superoxide and DNA repair on lizard telomeres. Mol Ecol 2018; 27:5154-5164. [PMID: 30368957 DOI: 10.1111/mec.14913] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 07/25/2018] [Accepted: 08/07/2018] [Indexed: 02/06/2023]
Abstract
Telomeres are the non-coding protein-nucleotide "caps" at chromosome ends that contribute to chromosomal stability by protecting the coding parts of the linear DNA from shortening at cell division, and from erosion by reactive molecules. Recently, there has been some controversy between molecular and cell biologists, on the one hand, and evolutionary ecologists on the other, regarding whether reactive molecules erode telomeres during oxidative stress. Many studies of biochemistry and medicine have verified these relationships in cell culture, but other researchers have failed to find such effects in free-living vertebrates. Here, we use a novel approach to measure free radicals (superoxide), mitochondrial "content" (a combined measure of mitochondrial number and size in cells), telomere length and DNA damage at two primary time points during the mating season of an annual lizard species (Ctenophorus pictus). Superoxide levels early in the mating season vary widely and elevated levels predict shorter telomeres both at that time as well as several months later. These effects are likely driven by mitochondrial content, which significantly impacts late season superoxide (cells with more mitochondria have more superoxide), but superoxide effects on telomeres are counteracted by DNA repair as revealed by 8-hydroxy-2'-deoxyguanosine assays. We conclude that reactive oxygen species and DNA repair are fundamental for both short- and long-term regulation of lizard telomere length with pronounced effects of early season cellular stress detectable on telomere length near lizard death.
Collapse
Affiliation(s)
- Mats Olsson
- Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden
- School of Biological Sciences, The University of Wollongong, Wollongong, New South Wales, Australia
| | - Christopher R Friesen
- School of Biological Sciences, The University of Wollongong, Wollongong, New South Wales, Australia
| | - Nicky Rollings
- School of Life and Environmental Sciences, Heydon-Laurence Building (A08), University of Sydney, Sydney, New South Wales, Australia
| | - Joanna Sudyka
- Wild Urban Evolution and Ecology Lab, Centre of New Technologies (CeNT), University of Warsaw, Warsaw, Poland
| | - Willow Lindsay
- Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden
| | - Camilla M Whittington
- School of Life and Environmental Sciences, Heydon-Laurence Building (A08), University of Sydney, Sydney, New South Wales, Australia
| | - Mark Wilson
- School of Biological Sciences, The University of Wollongong, Wollongong, New South Wales, Australia
| |
Collapse
|
35
|
Ding M, Yang Y, Duan X, Wang S, Feng X, Wang T, Wang P, Liu S, Li L, Liu J, Tang L, Niu X, Zhang Y, Li G, Yao W, Cui L, Wang W. Association of genetic polymorphisms of telomere binding proteins with cholinesterase activity in omethoate-exposed workers. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 161:563-568. [PMID: 29929132 DOI: 10.1016/j.ecoenv.2018.06.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 06/01/2018] [Accepted: 06/12/2018] [Indexed: 06/08/2023]
Abstract
Omethoate, an organophosphorous pesticide, can cause a variety of health effects, especially the decrease of cholinesterase activity. The aim of this study is to explore the association of genetic polymorphisms of telomere binding proteins with cholinesterase activity in omethoate-exposed population. Cholinesterase activities in whole blood, red blood cell and plasma were detected using acetylthiocholine and dithio-bis-(nitrobenzoic acid) method; Genetic Genotyping of POT1 rs1034794, POT1 rs10250202, TERF1 rs3863242 and TERT rs2736098 were performed with PCR-RFLP. The cholinesterase activities of whole blood, red blood cells and plasma in exposure group are significantly lower than that of the control group (P < 0.001). Multivariate analysis indicates that exposure group (b = - 1.016, P < 0.001), agender (b = 0.365, P < 0.001), drinking (b = 0.271, P = 0.004) and TERF1rs3863242 (b = - 0.368, P = 0.016) had an impact on cholinesterase activities. The results suggest that individual carrying AG+GG genotypes in TERF1 gene rs3863242 polymorphism were susceptible to damage in cholinesterase induced by omethoate.
Collapse
Affiliation(s)
- Mingcui Ding
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Yongli Yang
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Xiaoran Duan
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Sihua Wang
- Department of Occupational Health, Henan Institute for Occupational Medicine, Zhengzhou, China
| | - Xiaolei Feng
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Tuanwei Wang
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Pengpeng Wang
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Suxiang Liu
- Department of Zhengzhou Institute of Occupational Health, Zhengzhou, China
| | - Lei Li
- Department of Zhengzhou Institute of Occupational Health, Zhengzhou, China
| | - Junling Liu
- Department of Zhengzhou Institute of Occupational Health, Zhengzhou, China
| | - Lixia Tang
- Department of Zhengzhou Institute of Occupational Health, Zhengzhou, China
| | - Xinhua Niu
- Department of Zhengzhou Institute of Occupational Health, Zhengzhou, China
| | - Yuhong Zhang
- Department of Zhengzhou Institute of Occupational Health, Zhengzhou, China
| | - Guoyu Li
- Department of Zhengzhou Institute of Occupational Health, Zhengzhou, China
| | - Wu Yao
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Liuxin Cui
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Wei Wang
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China.
| |
Collapse
|
36
|
Control of Inflammasome Activation by Phosphorylation. Trends Biochem Sci 2018; 43:685-699. [PMID: 30049633 DOI: 10.1016/j.tibs.2018.06.008] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 06/05/2018] [Accepted: 06/30/2018] [Indexed: 02/08/2023]
Abstract
Inflammasomes are cytosolic protein complexes composed of innate immune sensors, the adaptor protein ASC, and the cysteine protease caspase-1. In response to microbial infection or 'danger signals', inflammasomes play critical roles in host defense or contribute to the pathogenesis of various inflammatory diseases. Recent studies have provided abundant evidence for a vital role of phosphorylation in the regulation of inflammasome assembly and activation. This review integrates previous observations and discoveries for inflammasome regulation by protein phosphorylation with the most recent findings. Additionally, the timely application and clinical prospects in the treatment of inflammatory diseases, by targeting related protein kinases or phosphatases, are also discussed.
Collapse
|
37
|
Hager NA, Krasowski CJ, Mackie TD, Kolb AR, Needham PG, Augustine AA, Dempsey A, Szent-Gyorgyi C, Bruchez MP, Bain DJ, Kwiatkowski AV, O'Donnell AF, Brodsky JL. Select α-arrestins control cell-surface abundance of the mammalian Kir2.1 potassium channel in a yeast model. J Biol Chem 2018; 293:11006-11021. [PMID: 29784874 DOI: 10.1074/jbc.ra117.001293] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 05/04/2018] [Indexed: 12/16/2022] Open
Abstract
Protein composition at the plasma membrane is tightly regulated, with rapid protein internalization and selective targeting to the cell surface occurring in response to environmental changes. For example, ion channels are dynamically relocalized to or from the plasma membrane in response to physiological alterations, allowing cells and organisms to maintain osmotic and salt homeostasis. To identify additional factors that regulate the selective trafficking of a specific ion channel, we used a yeast model for a mammalian potassium channel, the K+ inward rectifying channel Kir2.1. Kir2.1 maintains potassium homeostasis in heart muscle cells, and Kir2.1 defects lead to human disease. By examining the ability of Kir2.1 to rescue the growth of yeast cells lacking endogenous potassium channels, we discovered that specific α-arrestins regulate Kir2.1 localization. Specifically, we found that the Ldb19/Art1, Aly1/Art6, and Aly2/Art3 α-arrestin adaptor proteins promote Kir2.1 trafficking to the cell surface, increase Kir2.1 activity at the plasma membrane, and raise intracellular potassium levels. To better quantify the intracellular and cell-surface populations of Kir2.1, we created fluorogen-activating protein fusions and for the first time used this technique to measure the cell-surface residency of a plasma membrane protein in yeast. Our experiments revealed that two α-arrestin effectors also control Kir2.1 localization. In particular, both the Rsp5 ubiquitin ligase and the protein phosphatase calcineurin facilitated the α-arrestin-mediated trafficking of Kir2.1. Together, our findings implicate α-arrestins in regulating an additional class of plasma membrane proteins and establish a new tool for dissecting the trafficking itinerary of any membrane protein in yeast.
Collapse
Affiliation(s)
- Natalie A Hager
- From the Department of Biological Sciences, Duquesne University, Pittsburgh, Pennsylvania 15282
| | - Collin J Krasowski
- From the Department of Biological Sciences, Duquesne University, Pittsburgh, Pennsylvania 15282
| | - Timothy D Mackie
- the Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - Alexander R Kolb
- the Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - Patrick G Needham
- the Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - Andrew A Augustine
- the Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - Alison Dempsey
- the Molecular Biosensor and Imaging Center, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213
| | - Christopher Szent-Gyorgyi
- the Molecular Biosensor and Imaging Center, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213
| | - Marcel P Bruchez
- the Molecular Biosensor and Imaging Center, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213
| | - Daniel J Bain
- the Department of Geology and Environmental Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, and
| | - Adam V Kwiatkowski
- the Department of Cell Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15261
| | - Allyson F O'Donnell
- From the Department of Biological Sciences, Duquesne University, Pittsburgh, Pennsylvania 15282,
| | - Jeffrey L Brodsky
- the Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania 15260,
| |
Collapse
|
38
|
Porcine MKRN1 Modulates the Replication and Pathogenesis of Porcine Circovirus Type 2 by Inducing Capsid Protein Ubiquitination and Degradation. J Virol 2018. [PMID: 29514908 DOI: 10.1128/jvi.00100-18] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Porcine circovirus type 2 (PCV2) capsid protein (Cap) is a unique structure protein that plays pivotal roles in the process of viral replication and pathogenesis. Herein, we characterized a putative porcine Makorin RING finger protein 1 (pMKRN1) variant, an N-terminal-truncated variant of putative full-size porcine MKRN1 which has a unique expression pattern resulting from the porcine mkrn1 gene and which interacts with PCV2 Cap. A domain mapping assay showed that the C terminus of pMKRN1 and fragments (amino acids 108 to 198) of Cap are required for this interaction. PCV2 transiently upregulated pMKRN1 in PK-15 cells, but persistent viral infection downregulated pMKRN1 in major pathological tissues of PCV2-infected piglets. Overexpression of pMKRN1 significantly inhibited the generation of progeny PCV2 via ubiquitination and degradation of Cap, whereas knockout of pMKRN1 blocked Cap degradation and promoted progeny virus replication. pMKRN1 specifically targeted PCV2 Cap lysine residues 164, 179, and 191 to induce polyubiquitination and subsequent degradation. Mutation of either of the three lysine residues in the Cap protein or mutation of the histidine at residue 243 within the RING finger domain of pMKRN1 abrogated the E3 ligase activity of pMKRN1, rendering cells incapable of inducing Cap ubiquitination and degradation. Consistent with this finding, a Cap ubiquitination-deficient PCV2 strain showed enhanced virus replication and produced severe histological lesions in the lung and lymph node tissues compared with wild-type PCV2. Taken together, the results presented here suggest that PCV2 downregulates the pMKRN1 variant to avoid pMKRN1-mediated Cap ubiquitination and degradation, thus promoting viral replication and pathogenesis in its targeted tissues.IMPORTANCE Porcine circovirus type 2 is the pathogen to which pigs are the most susceptible, causing immense economic losses in the global swine industry, but whether host cells have developed some strategies to prevent viral replication is still unclear. Here, we found that porcine MKRN1 (pMKRN1) was upregulated in the early stage of PCV2 infection and mediated the polyubiquitination and degradation of Cap protein to block PCV2 replication, yet persistent PCV2 infection downregulated pMKRN1 levels to avoid degradation, promoting viral replication and pathogenesis in its targeted tissues. These data present new insight into the molecular mechanisms underlying the antiviral effects of pMKRN1 E3 ligase during PCV2 infection and also suggest potential new control measures for PCV2 outbreaks.
Collapse
|
39
|
Gao Y, Tan J, Jin J, Ma H, Chen X, Leger B, Xu J, Spagnol ST, Dahl KN, Levine AS, Liu Y, Lan L. SIRT6 facilitates directional telomere movement upon oxidative damage. Sci Rep 2018; 8:5407. [PMID: 29599436 PMCID: PMC5876328 DOI: 10.1038/s41598-018-23602-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 03/14/2018] [Indexed: 02/07/2023] Open
Abstract
Oxidative damage to telomeres leads to telomere attrition and genomic instability, resulting in poor cell viability. Telomere dynamics contribute to the maintenance of telomere integrity; however, whether oxidative damage induces telomere movement and how telomere mobility is regulated remain poorly understood. Here, we show that oxidative damage at telomeres triggers directional telomere movement. The presence of the human Sir2 homolog, Sirtuin 6 (SIRT6) is required for oxidative damage-induced telomeric movement. SIRT6 knock out (KO) cells show neither damage-induced telomere movement nor chromatin decondensation at damaged telomeres; both are observed in wild type (WT) cells. A deacetylation mutant of SIRT6 increases damage-induced telomeric movement in SIRT6 KO cells as well as WT SIRT6. SIRT6 recruits the chromatin-remodeling protein SNF2H to damaged telomeres, which appears to promote chromatin decondensation independent of its deacetylase activity. Together, our results suggest that SIRT6 plays a role in the regulation of telomere movement upon oxidative damage, shedding new light onto the function of SIRT6 in telomere maintenance.
Collapse
Affiliation(s)
- Ying Gao
- School of Medicine, Tsinghua University, No. 1 Tsinghua Yuan, Haidian District, Beijing, 100084, China
- UPMC Hillman Cancer Center, 5117 Centre Avenue, Pittsburgh, PA, 15213, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, 450 Technology Drive, Pittsburgh, PA, 15219, USA
| | - Jun Tan
- UPMC Hillman Cancer Center, 5117 Centre Avenue, Pittsburgh, PA, 15213, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, 450 Technology Drive, Pittsburgh, PA, 15219, USA
| | - Jingyi Jin
- School of Medicine, Tsinghua University, No. 1 Tsinghua Yuan, Haidian District, Beijing, 100084, China
- UPMC Hillman Cancer Center, 5117 Centre Avenue, Pittsburgh, PA, 15213, USA
- Department of Medicine, University of Pittsburgh School of Medicine, 3550 Terrace Street, Suite 1218, Pittsburgh, PA, 15261, USA
- Department of Bioengineering, University of Pittsburgh Swanson School of Engineering, 3700 O'Hara Street, 302 Benedum Hall, Pittsburgh, PA, 15260, USA
| | - Hongqiang Ma
- UPMC Hillman Cancer Center, 5117 Centre Avenue, Pittsburgh, PA, 15213, USA
- Department of Medicine, University of Pittsburgh School of Medicine, 3550 Terrace Street, Suite 1218, Pittsburgh, PA, 15261, USA
- Department of Bioengineering, University of Pittsburgh Swanson School of Engineering, 3700 O'Hara Street, 302 Benedum Hall, Pittsburgh, PA, 15260, USA
| | - Xiukai Chen
- UPMC Hillman Cancer Center, 5117 Centre Avenue, Pittsburgh, PA, 15213, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, 450 Technology Drive, Pittsburgh, PA, 15219, USA
| | - Brittany Leger
- UPMC Hillman Cancer Center, 5117 Centre Avenue, Pittsburgh, PA, 15213, USA
| | - Jianquan Xu
- School of Medicine, Tsinghua University, No. 1 Tsinghua Yuan, Haidian District, Beijing, 100084, China
- UPMC Hillman Cancer Center, 5117 Centre Avenue, Pittsburgh, PA, 15213, USA
- Department of Medicine, University of Pittsburgh School of Medicine, 3550 Terrace Street, Suite 1218, Pittsburgh, PA, 15261, USA
- Department of Bioengineering, University of Pittsburgh Swanson School of Engineering, 3700 O'Hara Street, 302 Benedum Hall, Pittsburgh, PA, 15260, USA
| | - Stephen T Spagnol
- Department of Chemical Engineering, Carnegie Mellon University, 5000 Forbes Ave., Pittsburgh, PA, 15213, USA
| | - Kris Noel Dahl
- Department of Chemical Engineering, Carnegie Mellon University, 5000 Forbes Ave., Pittsburgh, PA, 15213, USA
- Department of Biomedical Engineering, Carnegie Mellon University, 5000 Forbes Ave., Pittsburgh, PA, 15213, USA
| | - Arthur S Levine
- UPMC Hillman Cancer Center, 5117 Centre Avenue, Pittsburgh, PA, 15213, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, 450 Technology Drive, Pittsburgh, PA, 15219, USA
| | - Yang Liu
- UPMC Hillman Cancer Center, 5117 Centre Avenue, Pittsburgh, PA, 15213, USA
- Department of Medicine, University of Pittsburgh School of Medicine, 3550 Terrace Street, Suite 1218, Pittsburgh, PA, 15261, USA
- Department of Bioengineering, University of Pittsburgh Swanson School of Engineering, 3700 O'Hara Street, 302 Benedum Hall, Pittsburgh, PA, 15260, USA
| | - Li Lan
- UPMC Hillman Cancer Center, 5117 Centre Avenue, Pittsburgh, PA, 15213, USA.
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, 450 Technology Drive, Pittsburgh, PA, 15219, USA.
| |
Collapse
|
40
|
Impact of oxidative stress on telomere biology. Differentiation 2018; 99:21-27. [DOI: 10.1016/j.diff.2017.12.002] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Revised: 12/12/2017] [Accepted: 12/13/2017] [Indexed: 12/12/2022]
|
41
|
Fry AM, Bayliss R, Roig J. Mitotic Regulation by NEK Kinase Networks. Front Cell Dev Biol 2017; 5:102. [PMID: 29250521 PMCID: PMC5716973 DOI: 10.3389/fcell.2017.00102] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 11/17/2017] [Indexed: 12/24/2022] Open
Abstract
Genetic studies in yeast and Drosophila led to identification of cyclin-dependent kinases (CDKs), Polo-like kinases (PLKs) and Aurora kinases as essential regulators of mitosis. These enzymes have since been found in the majority of eukaryotes and their cell cycle-related functions characterized in great detail. However, genetic studies in another fungal species, Aspergillus nidulans, identified a distinct family of protein kinases, the NEKs, that are also widely conserved and have key roles in the cell cycle, but which remain less well studied. Nevertheless, it is now clear that multiple NEK family members act in networks to regulate specific events of mitosis, including centrosome separation, spindle assembly and cytokinesis. Here, we describe our current understanding of how the NEK kinases contribute to these processes, particularly through targeted phosphorylation of proteins associated with the microtubule cytoskeleton. We also present the latest findings on molecular events that control the activation state of the NEKs and how these are revealing novel modes of enzymatic regulation relevant not only to other kinases but also to pathological mechanisms of disease.
Collapse
Affiliation(s)
- Andrew M. Fry
- Department of Molecular and Cell Biology, University of Leicester, Leicester, United Kingdom
| | - Richard Bayliss
- School of Molecular and Cellular Biology, University of Leeds, Leeds, United Kingdom
| | - Joan Roig
- Institut de Biologia Molecular de Barcelona (IBMB-CSIC), Barcelona, Spain
| |
Collapse
|
42
|
Méndez-Pertuz M, Martínez P, Blanco-Aparicio C, Gómez-Casero E, Belen García A, Martínez-Torrecuadrada J, Palafox M, Cortés J, Serra V, Pastor J, Blasco MA. Modulation of telomere protection by the PI3K/AKT pathway. Nat Commun 2017; 8:1278. [PMID: 29097657 PMCID: PMC5668434 DOI: 10.1038/s41467-017-01329-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Accepted: 09/11/2017] [Indexed: 11/23/2022] Open
Abstract
Telomeres and the insulin/PI3K pathway are considered hallmarks of aging and cancer. Here, we describe a role for PI3K/AKT in the regulation of TRF1, an essential component of the shelterin complex. PI3K and AKT chemical inhibitors reduce TRF1 telomeric foci and lead to increased telomeric DNA damage and fragility. We identify the PI3Kα isoform as responsible for this TRF1 inhibition. TRF1 is phosphorylated at different residues by AKT and these modifications regulate TRF1 protein stability and TRF1 binding to telomeric DNA in vitro and are important for in vivo TRF1 telomere location and cell viability. Patient-derived breast cancer PDX mouse models that effectively respond to a PI3Kα specific inhibitor, BYL719, show decreased TRF1 levels and increased DNA damage. These findings functionally connect two of the major pathways for cancer and aging, telomeres and the PI3K pathway, and pinpoint PI3K and AKT as novel targets for chemical modulation of telomere protection. Regulation of telomeres and the insulin/PI3K pathway both have roles in aging and cancer development but have not been functionally linked. Here the authors demonstrate that PI3K, via downstream targets, regulates TRF1 via phosphorylation.
Collapse
Affiliation(s)
- Marinela Méndez-Pertuz
- Telomeres and Telomerase Group, Molecular Oncology Program, Spanish National Cancer Centre (CNIO), Melchor Fernández Almagro 3, Madrid, E-28029, Spain
| | - Paula Martínez
- Telomeres and Telomerase Group, Molecular Oncology Program, Spanish National Cancer Centre (CNIO), Melchor Fernández Almagro 3, Madrid, E-28029, Spain
| | - Carmen Blanco-Aparicio
- Experimental Therapeutics Program, Spanish National Cancer Centre (CNIO), Melchor Fernández Almagro 3, Madrid, E-28029, Spain
| | - Elena Gómez-Casero
- Experimental Therapeutics Program, Spanish National Cancer Centre (CNIO), Melchor Fernández Almagro 3, Madrid, E-28029, Spain
| | - Ana Belen García
- Experimental Therapeutics Program, Spanish National Cancer Centre (CNIO), Melchor Fernández Almagro 3, Madrid, E-28029, Spain
| | - Jorge Martínez-Torrecuadrada
- Biotechnology Program, Spanish National Cancer Centre (CNIO), Melchor Fernández Almagro 3, Madrid, E-28029, Spain
| | - Marta Palafox
- Experimental Therapeutics Group, Vall d´Hebron Institute of Oncology (VHIO), Natzaret 115-117, Barcelona, E-08035, Spain
| | - Javier Cortés
- Experimental Therapeutics Group, Vall d´Hebron Institute of Oncology (VHIO), Natzaret 115-117, Barcelona, E-08035, Spain
| | - Violeta Serra
- Experimental Therapeutics Group, Vall d´Hebron Institute of Oncology (VHIO), Natzaret 115-117, Barcelona, E-08035, Spain
| | - Joaquin Pastor
- Experimental Therapeutics Program, Spanish National Cancer Centre (CNIO), Melchor Fernández Almagro 3, Madrid, E-28029, Spain
| | - Maria A Blasco
- Telomeres and Telomerase Group, Molecular Oncology Program, Spanish National Cancer Centre (CNIO), Melchor Fernández Almagro 3, Madrid, E-28029, Spain.
| |
Collapse
|
43
|
The oxidative DNA damage response: A review of research undertaken with Tsinghua and Xiangya students at the University of Pittsburgh. SCIENCE CHINA-LIFE SCIENCES 2017; 60:1077-1080. [DOI: 10.1007/s11427-017-9184-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 09/27/2017] [Indexed: 11/25/2022]
|