1
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Xiao Y, Liu R, Li N, Li Y, Huang X. Role of the ubiquitin-proteasome system on macrophages in the tumor microenvironment. J Cell Physiol 2024; 239:e31180. [PMID: 38219045 DOI: 10.1002/jcp.31180] [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: 09/06/2023] [Revised: 11/14/2023] [Accepted: 12/12/2023] [Indexed: 01/15/2024]
Abstract
Tumor-associated macrophages (TAMs) are key components of the tumor microenvironment, and their different polarization states play multiple roles in tumors by secreting cytokines, chemokines, and so on, which are closely related to tumor development. In addition, the enrichment of TAMs is often associated with poor prognosis of tumors. Thus, targeting TAMs is a potential tumor treatment strategy, in which therapeutic approaches such as reducing TAMs numbers, remodeling TAMs phenotypes, and altering their functions are being extensively investigated. Meanwhile, the ubiquitin-proteasome system (UPS), an important mechanism of protein hydrolysis in eukaryotic cells, participates in cellular processes by regulating the activity and stability of key proteins. Interestingly, UPS plays a dual role in the process of tumor development, and its role in TAMs deserve to be investigated in depth. This review builds on this foundation to further explore the multiple roles of UPS on TAMs and identifies a promising approach to treat tumors by targeting TAMs with UPS.
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Affiliation(s)
- Yue Xiao
- First School of Clinical Medicine, Nanchang University, Nanchang, China
| | - Ruiqian Liu
- School of Future Technology, Nanchang University, Nanchang, China
| | - Na Li
- School of Future Technology, Nanchang University, Nanchang, China
| | - Yong Li
- Department of Anesthesiology, Medical Center of Anesthesiology and Pain, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Xuan Huang
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, China
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2
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Thimoteo RRC, Neto PN, Costa DSS, da Mota Ramalho Costa F, Brito DC, Costa PRR, de Almeida Simão T, Dias AG, Justo G. Microarray data analysis of antileukemic action of Cinnamoylated benzaldehyde LQB-461 in Jurkat cell line. Mol Biol Rep 2024; 51:187. [PMID: 38270684 DOI: 10.1007/s11033-023-09030-y] [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: 08/25/2023] [Accepted: 11/28/2023] [Indexed: 01/26/2024]
Abstract
BACKGROUND Leukemias stand out for being the main type of childhood cancer in the world. Current treatments have strong side effects for patients, and there is still a high rate of development of resistance to multidrug therapy. Previously, our research group developed a structure-activity study with novel synthetic molecules analogous to LQB-278, described as an essential molecule with in vitro antileukemic action. Among these analogs, LQB-461 stood out, presenting more significant antileukemic action compared to its derivative LQB-278, with cytostatic and cytotoxicity effect by apoptosis, inducing caspase-3, and increased sub-G1 phase on cell cycle analysis. METHODS AND RESULTS Deepening the study of the mechanism of action of LQB-461 in Jurkat cells in vitro, a microarray assay was carried out, which confirmed the importance of the apoptosis pathway in the LQB-461 activity. Through real-time PCR, we validated an increased expression of CDKN1A and BAX genes, essential mediators of the apoptosis intrinsic pathway. Through the extrinsic apoptosis pathway, we found an increased expression of the Fas receptor by flow cytometry, showing the presence of a more sensitive population and another more resistant to death. Considering the importance of autophagy in cellular resistance, it was demonstrated by western blotting that LQB-461 decreased LC-3 protein expression, an autophagic marker. CONCLUSIONS These results suggest that this synthetic molecule LQB-461 induces cell death by apoptosis in Jurkat cells through intrinsic and extrinsic pathways and inhibits autophagy, overcoming some mechanisms of cell resistance related to this process, which differentiates LQB-461 of other drugs used for the leukemia treatment.
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Affiliation(s)
| | | | - Debora S S Costa
- Instituto de Pesquisas Biomédicas - HNMD Marinha do Brazil, Rio de Janeiro, RJ, Brazil
| | | | | | - Paulo R R Costa
- Laboratório de Química Bioorgânica, UFRJ, Rio de Janeiro, RJ, Brazil
| | | | - Ayres G Dias
- Departamento de Química Orgânica, UERJ, Rio de Janeiro, RJ, Brazil
| | - Graça Justo
- Departamento de Bioquímica, UERJ, Rio de Janeiro, RJ, Brazil.
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3
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Li Z, Yang Y, Wu K, Li Y, Shi M. Myeloid leukemia factor 1: A "double-edged sword" in health and disease. Front Oncol 2023; 13:1124978. [PMID: 36814822 PMCID: PMC9939472 DOI: 10.3389/fonc.2023.1124978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 01/17/2023] [Indexed: 02/08/2023] Open
Abstract
The occurrence and development of malignancies are closely related to abnormal cell cycle regulation. Myeloid leukemia factor 1 (MLF1) is a small nucleocytoplasmic shuttling protein associated with cell cycle exit, apoptosis, and certain immune functions. Therefore, it is pertinent to explore the role of MLF1 in health and diseases. Studies to date have suggested that MLF1 could act as a double-edged sword, regulating biochemical activities directly or indirectly. In hematopoietic cells, it serves as a protective factor for the development of lineages, and in malignancies, it serves as an oncogenesis factor. The diversity of its functions depends on the binding partners, including tumor inhibitors, scaffolding molecules, mitochondrial membrane proteins, and transcription factors. Emerging evidence indicates that MLF1 influences immune responses as well. This paper reviews the structure, biological function, and research progress on MLF1 in health and diseases to provide new insights for future research.
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Affiliation(s)
- Zixuan Li
- Department of Hematology, the First Affiliated Hospital of Kunming Medical University, Kunming, China,Hematology Research Center of Yunnan Province, Kunming, China
| | - Yuanyuan Yang
- Department of Hematology, the First Affiliated Hospital of Kunming Medical University, Kunming, China,Hematology Research Center of Yunnan Province, Kunming, China
| | - Kun Wu
- Department of Clinical Laboratory, First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yuntao Li
- Department of Hematology, the First Affiliated Hospital of Kunming Medical University, Kunming, China,Hematology Research Center of Yunnan Province, Kunming, China
| | - Mingxia Shi
- Department of Hematology, the First Affiliated Hospital of Kunming Medical University, Kunming, China,Hematology Research Center of Yunnan Province, Kunming, China,*Correspondence: Mingxia Shi,
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4
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Danger R, Feseha Y, Brouard S. The Pseudokinase TRIB1 in Immune Cells and Associated Disorders. Cancers (Basel) 2022; 14:cancers14041011. [PMID: 35205759 PMCID: PMC8869936 DOI: 10.3390/cancers14041011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 02/07/2022] [Accepted: 02/14/2022] [Indexed: 12/10/2022] Open
Abstract
Simple Summary TRIB1 is at the center of major cell signaling pathways. In this review, we describe its role in immune cells and highlight TRIB1 interacting partners which suggests cell-specific functions and that TRIB1 is involved in cellular homeostasis and also in different cancers and immune-related disorders. Abstract Research advances in Tribbles homolog (TRIB) genes have established the consensus that this protein family plays roles in diverse biological conditions and regulates intracellular signaling networks and several human diseases. In this review, we focus on one member of the family, TRIB1, and its role at the crossroads of immune signaling. TRIB1 directly interacts with transcription factors such as FOXP3 and C/EBPα, with several signaling molecules such as MEK1 and MALT1 and directly acts on key cell signaling pathways such as the MAPK and NF-κB pathways. Altogether, these interactions emphasize that TRIB1 is at the center of major cell signaling pathways while TRIB1 has cell-specific roles, potentially depending on the expressing cells and binding partners. In this review, we describe its roles in immune cells and highlight the interacting partners explaining these functions which suggests TRIB1 as a precise mediator of cellular homeostasis as well as in different cancers and immune-related disorders.
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Affiliation(s)
- Richard Danger
- CHU Nantes, Nantes Université, INSERM, Center for Research in Transplantation and Translational Immunology (CR2TI), UMR 1064, F-44000 Nantes, France; (R.D.); (Y.F.)
| | - Yodit Feseha
- CHU Nantes, Nantes Université, INSERM, Center for Research in Transplantation and Translational Immunology (CR2TI), UMR 1064, F-44000 Nantes, France; (R.D.); (Y.F.)
| | - Sophie Brouard
- CHU Nantes, Nantes Université, INSERM, Center for Research in Transplantation and Translational Immunology (CR2TI), UMR 1064, F-44000 Nantes, France; (R.D.); (Y.F.)
- LabEx IGO “Immunotherapy, Graft, Oncology”, F-44000 Nantes, France
- Correspondence: ; Tel.: +33-240-087-842
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5
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Wang X, Tokheim C, Gu SS, Wang B, Tang Q, Li Y, Traugh N, Zeng Z, Zhang Y, Li Z, Zhang B, Fu J, Xiao T, Li W, Meyer CA, Chu J, Jiang P, Cejas P, Lim K, Long H, Brown M, Liu XS. In vivo CRISPR screens identify the E3 ligase Cop1 as a modulator of macrophage infiltration and cancer immunotherapy target. Cell 2021; 184:5357-5374.e22. [PMID: 34582788 PMCID: PMC9136996 DOI: 10.1016/j.cell.2021.09.006] [Citation(s) in RCA: 81] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 06/14/2021] [Accepted: 09/01/2021] [Indexed: 12/26/2022]
Abstract
Despite remarkable clinical efficacy of immune checkpoint blockade (ICB) in cancer treatment, ICB benefits for triple-negative breast cancer (TNBC) remain limited. Through pooled in vivo CRISPR knockout (KO) screens in syngeneic TNBC mouse models, we found that deletion of the E3 ubiquitin ligase Cop1 in cancer cells decreases secretion of macrophage-associated chemokines, reduces tumor macrophage infiltration, enhances anti-tumor immunity, and strengthens ICB response. Transcriptomics, epigenomics, and proteomics analyses revealed that Cop1 functions through proteasomal degradation of the C/ebpδ protein. The Cop1 substrate Trib2 functions as a scaffold linking Cop1 and C/ebpδ, which leads to polyubiquitination of C/ebpδ. In addition, deletion of the E3 ubiquitin ligase Cop1 in cancer cells stabilizes C/ebpδ to suppress expression of macrophage chemoattractant genes. Our integrated approach implicates Cop1 as a target for improving cancer immunotherapy efficacy in TNBC by regulating chemokine secretion and macrophage infiltration in the tumor microenvironment.
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Affiliation(s)
- Xiaoqing Wang
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA 02215, USA; Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Collin Tokheim
- Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA 02215, USA; Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Shengqing Stan Gu
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA 02215, USA; Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Binbin Wang
- Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA 02215, USA
| | - Qin Tang
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Yihao Li
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Nicole Traugh
- Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Zexian Zeng
- Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA 02215, USA; Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Yi Zhang
- Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA 02215, USA; Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Ziyi Li
- Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Boning Zhang
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA 02215, USA; Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Jingxin Fu
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Tengfei Xiao
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA 02215, USA; Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Wei Li
- Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA 02215, USA; Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Clifford A Meyer
- Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA 02215, USA; Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Jun Chu
- Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China
| | - Peng Jiang
- Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA 02215, USA; Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Paloma Cejas
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Klothilda Lim
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Henry Long
- Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Myles Brown
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA.
| | - X Shirley Liu
- Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA 02215, USA; Center for Functional Cancer Epigenetics, Dana-Farber Cancer Institute, Boston, MA 02215, USA.
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6
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Gargya P, Bálint BL. Histological Grade of Endometrioid Endometrial Cancer and Relapse Risk Can Be Predicted with Machine Learning from Gene Expression Data. Cancers (Basel) 2021; 13:4348. [PMID: 34503158 PMCID: PMC8430924 DOI: 10.3390/cancers13174348] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/24/2021] [Accepted: 08/26/2021] [Indexed: 12/12/2022] Open
Abstract
The tumor grade of endometrioid endometrial cancer is used as an independent marker of prognosis and a key component in clinical decision making. It is reported that between grades 1 and 3, however, the intermediate grade 2 carries limited information; thus, patients with grade 2 tumors are at risk of both under- and overtreatment. We used RNA-sequencing data from the TCGA project and machine learning to develop a model which can correctly classify grade 1 and grade 3 samples. We used the trained model on grade 2 patients to subdivide them into low-risk and high-risk groups. With iterative retraining, we selected the most relevant 12 transcripts to build a simplified model without losing accuracy. Both models had a high AUC of 0.93. In both cases, there was a significant difference in the relapse-free survivals of the newly identified grade 2 subgroups. Both models could identify grade 2 patients that have a higher risk of relapse. Our approach overcomes the subjective components of the histological evaluation. The developed method can be automated to perform a prescreening of the samples before a final decision is made by pathologists. Our translational approach based on machine learning methods could allow for better therapeutic planning for grade 2 endometrial cancer patients.
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Affiliation(s)
| | - Bálint László Bálint
- Genomic Medicine and Bioinformatics Core Facility, Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, Egyetem tér 1, 4032 Debrecen, Hungary;
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7
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McMillan HD, Keeshan K, Dunbier AK, Mace PD. Structure vs. Function of TRIB1-Myeloid Neoplasms and Beyond. Cancers (Basel) 2021; 13:3060. [PMID: 34205360 PMCID: PMC8235551 DOI: 10.3390/cancers13123060] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 06/14/2021] [Accepted: 06/15/2021] [Indexed: 12/31/2022] Open
Abstract
The Tribbles family of proteins-comprising TRIB1, TRIB2, TRIB3 and more distantly related STK40-play important, but distinct, roles in differentiation, development and oncogenesis. Of the four Tribbles proteins, TRIB1 has been most well characterised structurally and plays roles in diverse cancer types. The most well-understood role of TRIB1 is in acute myeloid leukaemia, where it can regulate C/EBP transcription factors and kinase pathways. Structure-function studies have uncovered conformational switching of TRIB1 from an inactive to an active state when it binds to C/EBPα. This conformational switching is centred on the active site of TRIB1, which appears to be accessible to small-molecule inhibitors in spite of its inability to bind ATP. Beyond myeloid neoplasms, TRIB1 plays diverse roles in signalling pathways with well-established roles in tumour progression. Thus, TRIB1 can affect both development and chemoresistance in leukaemia; glioma; and breast, lung and prostate cancers. The pervasive roles of TRIB1 and other Tribbles proteins across breast, prostate, lung and other cancer types, combined with small-molecule susceptibility shown by mechanistic studies, suggests an exciting potential for Tribbles as direct targets of small molecules or biomarkers to predict treatment response.
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Affiliation(s)
- Hamish D McMillan
- Biochemistry Department, School of Biomedical Sciences, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand; (H.D.M.); (A.K.D.)
| | - Karen Keeshan
- Paul O’Gorman Leukaemia Research Centre, Institute of Cancer Sciences, University of Glasgow, Scotland G12 0YN, UK;
| | - Anita K Dunbier
- Biochemistry Department, School of Biomedical Sciences, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand; (H.D.M.); (A.K.D.)
| | - Peter D Mace
- Biochemistry Department, School of Biomedical Sciences, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand; (H.D.M.); (A.K.D.)
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8
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Ito H, Nakamae I, Kato JY, Yoneda-Kato N. Stabilization of fatty acid synthesis enzyme acetyl-CoA carboxylase 1 suppresses acute myeloid leukemia development. J Clin Invest 2021; 131:e141529. [PMID: 34128473 DOI: 10.1172/jci141529] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 04/28/2021] [Indexed: 12/31/2022] Open
Abstract
Cancer cells reprogram lipid metabolism during their malignant progression, but limited information is currently available on the involvement of alterations in fatty acid synthesis in cancer development. We herein demonstrate that acetyl-CoA carboxylase 1 (ACC1), a rate-limiting enzyme for fatty acid synthesis, plays a critical role in regulating the growth and differentiation of leukemia-initiating cells. The Trib1-COP1 complex is an E3 ubiquitin ligase that targets C/EBPA, a transcription factor regulating myeloid differentiation, for degradation, and its overexpression specifically induces acute myeloid leukemia (AML). We identified ACC1 as a target of the Trib1-COP1 complex and found that an ACC1 mutant resistant to degradation because of the lack of a Trib1-binding site attenuated complex-driven leukemogenesis. Stable ACC1 protein expression suppressed the growth-promoting activity and increased ROS levels with the consumption of NADPH in a primary bone marrow culture, and delayed the onset of AML with increases in mature myeloid cells in mouse models. ACC1 promoted the terminal differentiation of Trib1-COP1-expressing cells and eradicated leukemia-initiating cells in the early phase of leukemic progression. These results indicate that ACC1 is a natural inhibitor of AML development. The upregulated expression of the ACC1 protein has potential as an effective strategy for cancer therapy.
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9
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Khan I, Eklund EE, Gartel AL. Therapeutic Vulnerabilities of Transcription Factors in AML. Mol Cancer Ther 2020; 20:229-237. [PMID: 33158995 DOI: 10.1158/1535-7163.mct-20-0115] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 08/13/2020] [Accepted: 10/19/2020] [Indexed: 11/16/2022]
Abstract
Acute myeloid leukemia (AML) is characterized by impaired myeloid lineage differentiation, uncontrolled proliferation, and inhibition of proapoptotic pathways. In spite of a relatively homogeneous clinical disease presentation, risk of long-term survival in AML varies from 20% to 80% depending on molecular disease characteristics. In recognition of the molecular heterogeneity of AML, the European Leukemia Net (ELN) and WHO classification systems now incorporate cytogenetics and increasing numbers of gene mutations into AML prognostication. Several of the genomic AML subsets are characterized by unique transcription factor alterations that are highlighted in this review. There are many mechanisms of transcriptional deregulation in leukemia. We broadly classify transcription factors based on mechanisms of transcriptional deregulation including direct involvement of transcription factors in recurrent translocations, loss-of-function mutations, and intracellular relocalization. Transcription factors, due to their pleiotropic effects, have been attractive but elusive targets. Indirect targeting approaches include inhibition of upstream kinases such as TAK1 for suppression of NFκB signaling and downstream effectors such as FGF signaling in HOXA-upregulated leukemia. Other strategies include targeting scaffolding proteins like BrD4 in the case of MYC or coactivators such as menin to suppress HOX expression; disrupting critical protein interactions in the case of β-catenin:TCF/LEF, and preventing transcription factor binding to DNA as in the case of PU.1 or FOXM1. We comprehensively describe the mechanism of deregulation of transcription factors in genomic subsets of AML, consequent pathway addictions, and potential therapeutic strategies.
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Affiliation(s)
- Irum Khan
- Department of Medicine, University of Illinois, Chicago, Illinois
| | - Elizabeth E Eklund
- Feinberg School of Medicine and Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, Illinois.,Jesse Brown VA Medical Center, Chicago, Illinois
| | - Andrei L Gartel
- Department of Medicine, University of Illinois, Chicago, Illinois.
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10
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Scala M, Mojarrad M, Riazuddin S, Brigatti KW, Ammous Z, Cohen JS, Hosny H, Usmani MA, Shahzad M, Riazuddin S, Stanley V, Eslahi A, Person RE, Elbendary HM, Comi AM, Poskitt L, Salpietro V, Genomics QS, Rosenfeld JA, Williams KB, Marafi D, Xia F, Biderman Waberski M, Zaki MS, Gleeson J, Puffenberger E, Houlden H, Maroofian R. RSRC1 loss-of-function variants cause mild to moderate autosomal recessive intellectual disability. Brain 2020; 143:e31. [PMID: 32227164 PMCID: PMC7174030 DOI: 10.1093/brain/awaa070] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
- Marcello Scala
- UCL Queen Square Institute of Neurology, University College London, London, UK.,Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, Genoa, Italy.,Pediatric Neurology and Muscular Diseases Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Majid Mojarrad
- Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Medical Genetics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Genetic Center of Khorasan Razavi, Mashhad, Iran
| | - Saima Riazuddin
- Department of Otorhinolaryngology Head and Neck Surgery, School of Medicine, University of Maryland, Baltimore, MD 21201, USA
| | | | | | - Julie S Cohen
- Departments of Neurology and Pediatrics, Kennedy Krieger Institute, Johns Hopkins Medical Institutions, Baltimore, MD, USA
| | - Heba Hosny
- National Institute of Neuromotor System, Cairo, Egypt
| | - Muhammad A Usmani
- Department of Otorhinolaryngology Head and Neck Surgery, School of Medicine, University of Maryland, Baltimore, MD 21201, USA
| | - Mohsin Shahzad
- Center for Genetic Diseases, Shaheed Zulfiqar Ali Bhutto Medical University, Pakistan Institute of Medical Sciences, Islamabad, Pakistan
| | - Sheikh Riazuddin
- Center for Genetic Diseases, Shaheed Zulfiqar Ali Bhutto Medical University, Pakistan Institute of Medical Sciences, Islamabad, Pakistan.,National Centre of Excellence in Molecular Biology, University of the Punjab, Lahore 53700, Pakistan
| | - Valentina Stanley
- Department of Neuroscience, Rady Children's Institute for Genomic Medicine, Howard Hughes Medical Institute, University of California, San Diego, CA, USA
| | - Atiye Eslahi
- Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Medical Genetics Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Hasnaa M Elbendary
- Clinical Genetics Department, Human Genetics and Genome Research Division, National Research Centre, Cairo 12311, Egypt
| | - Anne M Comi
- Departments of Neurology and Pediatrics, Kennedy Krieger Institute, Johns Hopkins Medical Institutions, Baltimore, MD, USA
| | | | - Vincenzo Salpietro
- UCL Queen Square Institute of Neurology, University College London, London, UK.,Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, Genoa, Italy.,Pediatric Neurology and Muscular Diseases Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | | | - Jill A Rosenfeld
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
| | - Katie B Williams
- Department of Pediatrics, University of Wisconsin Hospitals and Clinics, Madison, WI, USA
| | - Dana Marafi
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
| | - Fan Xia
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
| | - Marta Biderman Waberski
- Genetics and Molecular Biology Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Maha S Zaki
- Clinical Genetics Department, Human Genetics and Genome Research Division, National Research Centre, Cairo 12311, Egypt
| | - Joseph Gleeson
- Department of Neuroscience, Rady Children's Institute for Genomic Medicine, Howard Hughes Medical Institute, University of California, San Diego, CA, USA
| | | | - Henry Houlden
- UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Reza Maroofian
- UCL Queen Square Institute of Neurology, University College London, London, UK
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11
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Yan X, Fu X, Guo ZX, Liu XP, Liu TZ, Li S. Construction and validation of an eight-gene signature with great prognostic value in bladder cancer. J Cancer 2020; 11:1768-1779. [PMID: 32194788 PMCID: PMC7052873 DOI: 10.7150/jca.38741] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 11/30/2019] [Indexed: 12/24/2022] Open
Abstract
Bladder cancer (BC) is one of the most common malignancies in urinary system with a common malignancy in urinary system with a high mortality and recurrence rate, so we attempt to construct a gene signature to predict the prognosis of BCs. We initially established a co-expression network by performing WGCNA analysis and further identified magenta module as key module (P = 8e-05, R2 = 0.4). Subsequently, we screened 12 genes associated with survival from the key module, which were selected to construct an eight-gene signature by establishing a LASSO Cox model. Moreover, we reckoned the risk score (RS) of each sample, through which we could divide samples into two groups (the high-risk and low-risk groups) and verify the signature, in the training set and 3 validation sets (internal test set, GSE13507and E-MTAB-4321). This signature could distinguish between the high- and low- risk patients well (survival analysis: P = 0.015; AUC: 0.61 at 1 year, 0.61 at 3 years and 0.61 at 5 years). In the validation sets, this signature also showed good performance, which was consistent with the training test. Furthermore, we plotted a nomogram to predict the possibility of the overall survival (OS) and three calibration curves to predict the effectiveness of the nomogram, which suggested good value and clinical utility of the nomogram. In conclusion, we established an eight-gene signature, which was probably effective in the prediction of prognosis of patients with BC.
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Affiliation(s)
- Xin Yan
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China.,Department of Biological Repositories, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Xun Fu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Zi-Xin Guo
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Xiao-Ping Liu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Tong-Zu Liu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Sheng Li
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China.,Department of Biological Repositories, Zhongnan Hospital of Wuhan University, Wuhan 430071, China.,Human Genetics Resource Preservation Center of Hubei Province, Wuhan 430071, China
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12
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Sun J, Mu H, Yu J, Li L, Yan H, Li G, Tan H, Yang N, Yang X, Yi L. Diallyl disulfide down-regulates calreticulin and promotes C/EBPα expression in differentiation of human leukaemia cells. J Cell Mol Med 2018; 23:194-204. [PMID: 30394654 PMCID: PMC6307788 DOI: 10.1111/jcmm.13904] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Accepted: 08/20/2018] [Indexed: 12/31/2022] Open
Abstract
Diallyl disulfide (DADS), the main active component of the cancer fighting allyl sulfides found in garlic, has shown potential as a therapeutic agent in various cancers. Previous studies showed DADS induction of HL-60 cell differentiation involves down-regulation of calreticulin (CRT). Here, we investigated the mechanism of DADS-induced differentiation of human leukaemia cells and the potential involvement of CRT and CCAAT enhancer binding protein-α (C/EBPα). We explored the expression of CRT and C/EBPα in clinical samples (20 healthy people and 19 acute myeloid leukaemia patients) and found that CRT and C/EBPα expressions were inversely correlated. DADS induction of differentiation of HL-60 cells resulted in down-regulated CRT expression and elevated C/EBPα expression. In severe combined immunodeficiency mice injected with HL-60 cells, DADS inhibited the growth of tumour tissue and decreased CRT levels and increased C/EBPα in vivo. We also found that DADS-mediated down-regulation of CRT and up-regulation of C/EBPα involved enhancement of reactive oxidative species. RNA immunoprecipitation revealed that CRT bound C/EBPα mRNA, indicating its regulation of C/EBPα mRNA degradation by binding the UG-rich element in the 3' untranslated region of C/EBPα. In conclusion, the present study demonstrates the C/EBPα expression was correlated with CRT expression in vitro and in vivo and the molecular mechanism of DADS-induced leukaemic cell differentiation.
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Affiliation(s)
- Jing Sun
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, Hunan, China.,Biology Research Institute, College of Pharmacy and Biological Sciences, University of South China, Hengyang, Hunan, China
| | - Hongxiang Mu
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, Hunan, China.,Biology Research Institute, College of Pharmacy and Biological Sciences, University of South China, Hengyang, Hunan, China
| | - Jia Yu
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, Hunan, China.,Biology Research Institute, College of Pharmacy and Biological Sciences, University of South China, Hengyang, Hunan, China
| | - Linwei Li
- Department of Laboratory, The Second Affiliated Hospital, University of South China, Hengyang, Hunan, China
| | - Hongxia Yan
- Department of Laboratory, The Second Affiliated Hospital, University of South China, Hengyang, Hunan, China
| | - Guoqing Li
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, Hunan, China.,Biology Research Institute, College of Pharmacy and Biological Sciences, University of South China, Hengyang, Hunan, China
| | - Hui Tan
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, Hunan, China.,Biology Research Institute, College of Pharmacy and Biological Sciences, University of South China, Hengyang, Hunan, China
| | - Nanyang Yang
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, Hunan, China.,Biology Research Institute, College of Pharmacy and Biological Sciences, University of South China, Hengyang, Hunan, China
| | - Xiaoyan Yang
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, Hunan, China.,Biology Research Institute, College of Pharmacy and Biological Sciences, University of South China, Hengyang, Hunan, China
| | - Lan Yi
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, Hunan, China.,Biology Research Institute, College of Pharmacy and Biological Sciences, University of South China, Hengyang, Hunan, China
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