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Qi Y, Rezaeian AH, Wang J, Huang D, Chen H, Inuzuka H, Wei W. Molecular insights and clinical implications for the tumor suppressor role of SCF FBXW7 E3 ubiquitin ligase. Biochim Biophys Acta Rev Cancer 2024; 1879:189140. [PMID: 38909632 PMCID: PMC11390337 DOI: 10.1016/j.bbcan.2024.189140] [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: 04/12/2024] [Revised: 06/04/2024] [Accepted: 06/17/2024] [Indexed: 06/25/2024]
Abstract
FBXW7 is one of the most well-characterized F-box proteins, serving as substrate receptor subunit of SKP1-CUL1-F-box (SCF) E3 ligase complexes. SCFFBXW7 is responsible for the degradation of various oncogenic proteins such as cyclin E, c-MYC, c-JUN, NOTCH, and MCL1. Therefore, FBXW7 functions largely as a major tumor suppressor. In keeping with this notion, FBXW7 gene mutations or downregulations have been found and reported in many types of malignant tumors, such as endometrial, colorectal, lung, and breast cancers, which facilitate the proliferation, invasion, migration, and drug resistance of cancer cells. Therefore, it is critical to review newly identified FBXW7 regulation and tumor suppressor function under physiological and pathological conditions to develop effective strategies for the treatment of FBXW7-altered cancers. Since a growing body of evidence has revealed the tumor-suppressive activity and role of FBXW7, here, we updated FBXW7 upstream and downstream signaling including FBXW7 ubiquitin substrates, the multi-level FBXW7 regulatory mechanisms, and dysregulation of FBXW7 in cancer, and discussed promising cancer therapies targeting FBXW7 regulators and downstream effectors, to provide a comprehensive picture of FBXW7 and facilitate the study in this field.
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Affiliation(s)
- Yihang Qi
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Abdol-Hossein Rezaeian
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Jingchao Wang
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Daoyuan Huang
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Hong Chen
- Vascular Biology Program, Department of Surgery, Harvard Medical School, Boston Children's Hospital, Boston, MA, USA
| | - Hiroyuki Inuzuka
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Wenyi Wei
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA.
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2
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Bellon M, Yeh CH, Bai XT, Nicot C. The HTLV-I oncoprotein Tax inactivates the tumor suppressor FBXW7. J Virol 2024; 98:e0040524. [PMID: 38874362 PMCID: PMC11264933 DOI: 10.1128/jvi.00405-24] [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: 02/28/2024] [Accepted: 05/17/2024] [Indexed: 06/15/2024] Open
Abstract
Human T-cell leukemia virus type 1 (HTLV-I) is the etiological agent of adult T-cell leukemia (ATL). Mutational analysis has demonstrated that the tumor suppressor, F-box and WD repeat domain containing 7 (FBXW7/FBW7/CDC4), is mutated in primary ATL patients. However, even in the absence of genetic mutations, FBXW7 substrates are stabilized in ATL cells, suggesting additional mechanisms can prevent FBXW7 functions. Here, we report that the viral oncoprotein Tax represses FBXW7 activity, resulting in the stabilization of activated Notch intracellular domain, c-MYC, Cyclin E, and myeloid cell leukemia sequence 1 (BCL2-related) (Mcl-1). Mechanistically, we demonstrate that Tax directly binds to FBXW7 in the nucleus, effectively outcompeting other targets for binding to FBXW7, resulting in decreased ubiquitination and degradation of FBXW7 substrates. In support of the nuclear role of Tax, a non-degradable form of the nuclear factor kappa B subunit 2 (NFκB2/p100) was found to delocalize Tax to the cytoplasm, thereby preventing Tax interactions with FBXW7 and Tax-mediated inhibition of FBXW7. Finally, we characterize a Tax mutant that is unable to interact with FBXW7, unable to block FBXW7 tumor suppressor functions, and unable to effectively transform fibroblasts. These results demonstrate that HTLV-I Tax can inhibit FBXW7 functions without genetic mutations to promote an oncogenic state. These results suggest that Tax-mediated inhibition of FBXW7 is likely critical during the early stages of the cellular transformation process. IMPORTANCE F-box and WD repeat domain containing 7 (FBXW7), a critical tumor suppressor of human cancers, is frequently mutated or epigenetically suppressed. Loss of FBXW7 functions is associated with stabilization and increased expression of oncogenic factors such as Cyclin E, c-Myc, Mcl-1, mTOR, Jun, and Notch. In this study, we demonstrate that the human retrovirus human T-cell leukemia virus type 1 oncoprotein Tax directly interacts with FBXW7, effectively outcompeting other targets for binding to FBXW7, resulting in decreased ubiquitination and degradation of FBXW7 cellular substrates. We further demonstrate that a Tax mutant unable to interact with and inactivate FBXW7 loses its ability to transform primary fibroblasts. Collectively, our results describe a novel mechanism used by a human tumor virus to promote cellular transformation.
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Affiliation(s)
- Marcia Bellon
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Chien-hung Yeh
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Xue Tao Bai
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Christophe Nicot
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
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3
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Bellon M, Nicot C. Increased H19/miR-675 Expression in Adult T-Cell Leukemia Is Associated with a Unique Notch Signature Pathway. Int J Mol Sci 2024; 25:5130. [PMID: 38791169 PMCID: PMC11120950 DOI: 10.3390/ijms25105130] [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: 03/21/2024] [Revised: 04/30/2024] [Accepted: 05/03/2024] [Indexed: 05/26/2024] Open
Abstract
The Notch pathway is a key cancer driver and is important in tumor progression. Early research suggested that Notch activity was highly dependent on the expression of the intracellular cleaved domain of Notch-1 (NICD). However, recent insights into Notch signaling reveal the presence of Notch pathway signatures, which may vary depending on different cancer types and tumor microenvironments. Herein, we perform a comprehensive investigation of the Notch signaling pathway in adult T-cell leukemia (ATL) primary patient samples. Using gene arrays, we demonstrate that the Notch pathway is constitutively activated in ATL patient samples. Furthermore, the activation of Notch in ATL cells remains elevated irrespective of the presence of activating mutations in Notch itself or its repressor, FBXW7, and that ATL cells are dependent upon Notch-1 expression for proliferation and survival. We demonstrate that ATL cells exhibit the expression of pivotal Notch-related genes, including notch-1, hes1, c-myc, H19, and hes4, thereby defining a critical Notch signature associated with ATL disease. Finally, we demonstrate that lncRNA H19 is highly expressed in ATL patient samples and ATL cells and contributes to Notch signaling activation. Collectively, our results shed further light on the Notch pathway in ATL leukemia and reveal new therapeutic approaches to inhibit Notch activation in ATL cells.
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MESH Headings
- Humans
- Leukemia-Lymphoma, Adult T-Cell/genetics
- Leukemia-Lymphoma, Adult T-Cell/metabolism
- Leukemia-Lymphoma, Adult T-Cell/pathology
- MicroRNAs/genetics
- MicroRNAs/metabolism
- RNA, Long Noncoding/genetics
- RNA, Long Noncoding/metabolism
- Signal Transduction
- Cell Line, Tumor
- Receptor, Notch1/metabolism
- Receptor, Notch1/genetics
- Gene Expression Regulation, Leukemic
- Receptors, Notch/metabolism
- Receptors, Notch/genetics
- Cell Proliferation/genetics
- F-Box-WD Repeat-Containing Protein 7/metabolism
- F-Box-WD Repeat-Containing Protein 7/genetics
- Gene Expression Regulation, Neoplastic
- Adult
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Affiliation(s)
| | - Christophe Nicot
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS 66160, USA;
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4
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Bellon M, Nicot C. HTLV-1 Tax Tug-of-War: Cellular Senescence and Death or Cellular Transformation. Pathogens 2024; 13:87. [PMID: 38276160 PMCID: PMC10820833 DOI: 10.3390/pathogens13010087] [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: 12/19/2023] [Revised: 01/11/2024] [Accepted: 01/15/2024] [Indexed: 01/27/2024] Open
Abstract
Human T cell leukemia virus type 1 (HTLV-1) is a retrovirus associated with a lymphoproliferative disease known as adult T cell leukemia/lymphoma (ATLL). HTLV-1 infection efficiently transforms human T cells in vivo and in vitro. The virus does not transduce a proto-oncogene, nor does it integrate into tumor-promoting genomic sites. Instead, HTLV-1 uses a random mutagenesis model, resulting in cellular transformation. Expression of the viral protein Tax is critical for the immortalization of infected cells by targeting specific cellular signaling pathways. However, Tax is highly immunogenic and represents the main target for the elimination of virally infected cells by host cytotoxic T cells (CTLs). In addition, Tax expression in naïve cells induces pro-apoptotic signals and has been associated with the induction of non-replicative cellular senescence. This review will explore these conundrums and discuss the mechanisms used by the Tax viral oncoprotein to influence life-and-death cellular decisions and affect HTLV-1 pathogenesis.
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Affiliation(s)
| | - Christophe Nicot
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, KS 66160, USA;
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5
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Cheng J, Huang H, Chen Y, Wu R. Nanomedicine for Diagnosis and Treatment of Atherosclerosis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2304294. [PMID: 37897322 PMCID: PMC10754137 DOI: 10.1002/advs.202304294] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 09/11/2023] [Indexed: 10/30/2023]
Abstract
With the changing disease spectrum, atherosclerosis has become increasingly prevalent worldwide and the associated diseases have emerged as the leading cause of death. Due to their fascinating physical, chemical, and biological characteristics, nanomaterials are regarded as a promising tool to tackle enormous challenges in medicine. The emerging discipline of nanomedicine has filled a huge application gap in the atherosclerotic field, ushering a new generation of diagnosis and treatment strategies. Herein, based on the essential pathogenic contributors of atherogenesis, as well as the distinct composition/structural characteristics, synthesis strategies, and surface design of nanoplatforms, the three major application branches (nanodiagnosis, nanotherapy, and nanotheranostic) of nanomedicine in atherosclerosis are elaborated. Then, state-of-art studies containing a sequence of representative and significant achievements are summarized in detail with an emphasis on the intrinsic interaction/relationship between nanomedicines and atherosclerosis. Particularly, attention is paid to the biosafety of nanomedicines, which aims to pave the way for future clinical translation of this burgeoning field. Finally, this comprehensive review is concluded by proposing unresolved key scientific issues and sharing the vision and expectation for the future, fully elucidating the closed loop from atherogenesis to the application paradigm of nanomedicines for advancing the early achievement of clinical applications.
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Affiliation(s)
- Jingyun Cheng
- Department of UltrasoundShanghai General HospitalShanghai Jiao Tong University School of MedicineShanghai200080P. R. China
| | - Hui Huang
- Materdicine LabSchool of Life SciencesShanghai UniversityShanghai200444P. R. China
| | - Yu Chen
- Materdicine LabSchool of Life SciencesShanghai UniversityShanghai200444P. R. China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health)Wenzhou Institute of Shanghai UniversityWenzhouZhejiang325088P. R. China
| | - Rong Wu
- Department of UltrasoundShanghai General HospitalShanghai Jiao Tong University School of MedicineShanghai200080P. R. China
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Jamgotchian L, Devel L, Thai R, Poupel L, Huby T, Gautier E, Le Goff W, Lesnik P, Gravel E, Doris E. Targeted delivery of LXR-agonists to atherosclerotic lesions mediated by polydiacetylene micelles. NANOSCALE 2023; 15:18864-18870. [PMID: 37966726 DOI: 10.1039/d3nr04778d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
We report the development of compact and stabilized micelles incorporating a synthetic LXR agonist prodrug for the passive targeting of atherosclerotic lesions and therapeutic intervention. In vivo studies showed that the nanohybrid micelles exhibited favorable pharmacokinetics/biodistribution and were able to upregulate, to some extent, LXR target genes with no alteration of lipid metabolism.
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Affiliation(s)
- Lucie Jamgotchian
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, France.
| | - Laurent Devel
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMOS, 91191 Gif-sur-Yvette, France.
| | - Robert Thai
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMOS, 91191 Gif-sur-Yvette, France.
| | - Lucie Poupel
- Inovarion, 251 rue saint Jacques, 75005 Paris, France
| | - Thierry Huby
- Sorbonne Université, INSERM UMRS-1166, Institute of Cardiometabolism and Nutrition (ICAN), 75013 Paris, France.
| | - Emmanuel Gautier
- Sorbonne Université, INSERM UMRS-1166, Institute of Cardiometabolism and Nutrition (ICAN), 75013 Paris, France.
| | - Wilfried Le Goff
- Sorbonne Université, INSERM UMRS-1166, Institute of Cardiometabolism and Nutrition (ICAN), 75013 Paris, France.
| | - Philippe Lesnik
- Sorbonne Université, INSERM UMRS-1166, Institute of Cardiometabolism and Nutrition (ICAN), 75013 Paris, France.
| | - Edmond Gravel
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, France.
| | - Eric Doris
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, France.
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7
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Wang W, Jiang K, Liu X, Li J, Zhou W, Wang C, Cui J, Liang T. FBXW7 and human tumors: mechanisms of drug resistance and potential therapeutic strategies. Front Pharmacol 2023; 14:1278056. [PMID: 38027013 PMCID: PMC10680170 DOI: 10.3389/fphar.2023.1278056] [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: 08/17/2023] [Accepted: 10/11/2023] [Indexed: 12/01/2023] Open
Abstract
Drug therapy, including chemotherapy, targeted therapy, immunotherapy, and endocrine therapy, stands as the foremost therapeutic approach for contemporary human malignancies. However, increasing drug resistance during antineoplastic therapy has become a substantial barrier to favorable outcomes in cancer patients. To enhance the effectiveness of different cancer therapies, an in-depth understanding of the unique mechanisms underlying tumor drug resistance and the subsequent surmounting of antitumor drug resistance is required. Recently, F-box and WD Repeat Domain-containing-7 (FBXW7), a recognized tumor suppressor, has been found to be highly associated with tumor therapy resistance. This review provides a comprehensive summary of the underlying mechanisms through which FBXW7 facilitates the development of drug resistance in cancer. Additionally, this review elucidates the role of FBXW7 in therapeutic resistance of various types of human tumors. The strategies and challenges implicated in overcoming tumor therapy resistance by targeting FBXW7 are also discussed.
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Affiliation(s)
| | | | | | | | | | | | | | - Tingting Liang
- Cancer Center, The First Hospital of Jilin University, Changchun, Jilin, China
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8
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de la Cova CC. The Highs and Lows of FBXW7: New Insights into Substrate Affinity in Disease and Development. Cells 2023; 12:2141. [PMID: 37681873 PMCID: PMC10486803 DOI: 10.3390/cells12172141] [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: 07/20/2023] [Revised: 08/16/2023] [Accepted: 08/22/2023] [Indexed: 09/09/2023] Open
Abstract
FBXW7 is a critical regulator of cell cycle, cell signaling, and development. A highly conserved F-box protein and component of the SKP1-Cullin-F-box (SCF) complex, FBXW7 functions as a recognition subunit within a Cullin-RING E3 ubiquitin ligase responsible for ubiquitinating substrate proteins and targeting them for proteasome-mediated degradation. In human cells, FBXW7 promotes degradation of a large number of substrate proteins, including many that impact disease, such as NOTCH1, Cyclin E, MYC, and BRAF. A central focus for investigation has been to understand the molecular mechanisms that allow the exquisite substrate specificity exhibited by FBXW7. Recent work has produced a clearer understanding of how FBXW7 physically interacts with both high-affinity and low-affinity substrates. We review new findings that provide insights into the consequences of "hotspot" missense mutations of FBXW7 that are found in human cancers. Finally, we discuss how the FBXW7-substrate interaction, and the kinases responsible for substrate phosphorylation, contribute to patterned protein degradation in C. elegans development.
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Affiliation(s)
- Claire C de la Cova
- Department of Biological Sciences, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, USA
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9
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Sanati M, Afshari AR, Ahmadi SS, Moallem SA, Sahebkar A. Modulation of the ubiquitin-proteasome system by phytochemicals: Therapeutic implications in malignancies with an emphasis on brain tumors. Biofactors 2023; 49:782-819. [PMID: 37162294 DOI: 10.1002/biof.1958] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 04/20/2023] [Indexed: 05/11/2023]
Abstract
Regarding the multimechanistic nature of cancers, current chemo- or radiotherapies often fail to eradicate disease pathology, and frequent relapses or resistance to therapies occur. Brain malignancies, particularly glioblastomas, are difficult-to-treat cancers due to their highly malignant and multidimensional biology. Unfortunately, patients suffering from malignant tumors often experience poor prognoses and short survival periods. Thus far, significant efforts have been conducted to discover novel and more effective modalities. To that end, modulation of the ubiquitin-proteasome system (UPS) has attracted tremendous interest since it affects the homeostasis of proteins critically engaged in various cell functions, for example, cell metabolism, survival, proliferation, and differentiation. With their safe and multimodal actions, phytochemicals are among the promising therapeutic tools capable of turning the operation of various UPS elements. The present review, along with an updated outline of the role of UPS dysregulation in multiple cancers, provided a detailed discussion on the impact of phytochemicals on the UPS function in malignancies, especially brain tumors.
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Affiliation(s)
- Mehdi Sanati
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Birjand University of Medical Sciences, Birjand, Iran
- Experimental and Animal Study Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Amir R Afshari
- Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran
- Department of Physiology and Pharmacology, Faculty of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Seyed Sajad Ahmadi
- Department of Ophthalmology, Khatam-Ol-Anbia Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Adel Moallem
- Department of Pharmacology and Toxicology, College of Pharmacy, Al-Zahraa University for Women, Karbala, Iraq
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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10
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Di Fiore R, Suleiman S, Drago-Ferrante R, Subbannayya Y, Suleiman S, Vasileva-Slaveva M, Yordanov A, Pentimalli F, Giordano A, Calleja-Agius J. The Role of FBXW7 in Gynecologic Malignancies. Cells 2023; 12:1415. [PMID: 37408248 DOI: 10.3390/cells12101415] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/28/2023] [Accepted: 05/15/2023] [Indexed: 07/07/2023] Open
Abstract
The F-Box and WD Repeat Domain Containing 7 (FBXW7) protein has been shown to regulate cellular growth and act as a tumor suppressor. This protein, also known as FBW7, hCDC4, SEL10 or hAGO, is encoded by the gene FBXW7. It is a crucial component of the Skp1-Cullin1-F-box (SCF) complex, which is a ubiquitin ligase. This complex aids in the degradation of many oncoproteins, such as cyclin E, c-JUN, c-MYC, NOTCH, and MCL1, via the ubiquitin-proteasome system (UPS). The FBXW7 gene is commonly mutated or deleted in numerous types of cancer, including gynecologic cancers (GCs). Such FBXW7 mutations are linked to a poor prognosis due to increased treatment resistance. Hence, detection of the FBXW7 mutation may possibly be an appropriate diagnostic and prognostic biomarker that plays a central role in determining suitable individualized management. Recent studies also suggest that, under specific circumstances, FBXW7 may act as an oncogene. There is mounting evidence indicating that the aberrant expression of FBXW7 is involved in the development of GCs. The aim of this review is to give an update on the role of FBXW7 as a potential biomarker and also as a therapeutic target for novel treatments, particularly in the management of GCs.
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Affiliation(s)
- Riccardo Di Fiore
- Department of Anatomy, Faculty of Medicine and Surgery, University of Malta, MSD 2080 Msida, Malta
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
| | - Sherif Suleiman
- Department of Anatomy, Faculty of Medicine and Surgery, University of Malta, MSD 2080 Msida, Malta
| | | | - Yashwanth Subbannayya
- School of Biosciences, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, UK
| | - Sarah Suleiman
- Whipps Cross Hospital, Barts Health NHS Trust, Leytonstone, London E11 1NR, UK
| | - Mariela Vasileva-Slaveva
- Department of Breast Surgery, "Dr. Shterev" Hospital, 1330 Sofia, Bulgaria
- Research Institute, Medical University Pleven, 5800 Pleven, Bulgaria
- Bulgarian Breast and Gynecological Cancer Association, 1784 Sofia, Bulgaria
| | - Angel Yordanov
- Department of Gynecological Oncology, Medical University Pleven, 5800 Pleven, Bulgaria
| | - Francesca Pentimalli
- Department of Medicine and Surgery, LUM University "Giuseppe DeGennaro", 70010 Casamassima, Italy
| | - Antonio Giordano
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
- Department of Medical Biotechnologies, University of Siena, 53100 Siena, Italy
| | - Jean Calleja-Agius
- Department of Anatomy, Faculty of Medicine and Surgery, University of Malta, MSD 2080 Msida, Malta
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11
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Wan X, Guo W, Zhan Z, Bai O. Dysregulation of FBW7 in malignant lymphoproliferative disorders. Front Oncol 2022; 12:988138. [PMID: 36457505 PMCID: PMC9707496 DOI: 10.3389/fonc.2022.988138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 10/18/2022] [Indexed: 11/10/2022] Open
Abstract
The ubiquitin-proteasome system (UPS) is involved in various aspects of cell processes, including cell proliferation, differentiation, and cell cycle progression. F-box and WD repeat domain-containing protein 7 (FBW7), as a key component of UPS proteins and a critical tumor suppressor in human cancers, controls proteasome-mediated degradation by ubiquitinating oncoproteins such as c-Myc, Mcl-1, cyclin E, and Notch. It also plays a role in the development of various cancers, including solid and hematological malignancies, such as T-cell acute lymphoblastic leukemia, diffuse large B-cell lymphoma, and multiple myeloma. This comprehensive review emphasizes the functions, substrates, and expression of FBW7 in malignant lymphoproliferative disorders.
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Affiliation(s)
| | | | | | - Ou Bai
- Department of Hematology, The First Hospital of Jilin University, Changchun, Jilin, China
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12
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D’Agostino DM, Raimondi V, Silic-Benussi M, Ciminale V. MiR-150 in HTLV-1-infection and T-cell transformation. Front Immunol 2022; 13:974088. [PMID: 36072598 PMCID: PMC9442802 DOI: 10.3389/fimmu.2022.974088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 07/25/2022] [Indexed: 11/18/2022] Open
Abstract
Human T-cell leukemia virus-1 (HTLV-1) is a retrovirus that persistently infects CD4+ T-cells, and is the causative agent of adult T-cell leukemia/lymphoma (ATLL), tropical spastic paraparesis/HTLV-1-associated myelopathy (TSP/HAM) and several inflammatory diseases. T-cell transformation by HTLV-1 is driven by multiple interactions between viral regulatory proteins and host cell pathways that govern cell proliferation and survival. Studies performed over the last decade have revealed alterations in the expression of many microRNAs in HTLV-1-infected cells and ATLL cells, and have identified several microRNA targets with roles in the viral life cycle and host cell turnover. This review centers on miR-150-5p, a microRNA whose expression is temporally regulated during lymphocyte development and altered in several hematological malignancies. The levels of miR-150-5p are reduced in many HTLV-1-transformed- and ATLL-derived cell lines. Experiments in these cell lines showed that downregulation of miR-150-5p results in activation of the transcription factor STAT1, which is a direct target of the miRNA. However, data on miR-150-5p levels in freshly isolated ATLL samples are suggestive of its upregulation compared to controls. These apparently puzzling findings highlight the need for more in-depth studies of the role of miR-150-5p in HTLV-1 infection and pathogenesis based on knowledge of miR-150-5p-target mRNA interactions and mechanisms regulating its function in normal leukocytes and hematologic neoplasms.
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Affiliation(s)
- Donna M. D’Agostino
- Department of Biomedical Sciences, University of Padova, Padova, Italy
- Istituto Oncologico Veneto (IOV)- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Padova, Italy
- *Correspondence: Donna M. D’Agostino, ; Vincenzo Ciminale,
| | - Vittoria Raimondi
- Department of Surgery, Oncology and Gastroenterology, University of Padova, Padova, Italy
| | - Micol Silic-Benussi
- Istituto Oncologico Veneto (IOV)- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Padova, Italy
| | - Vincenzo Ciminale
- Istituto Oncologico Veneto (IOV)- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Padova, Italy
- Department of Surgery, Oncology and Gastroenterology, University of Padova, Padova, Italy
- *Correspondence: Donna M. D’Agostino, ; Vincenzo Ciminale,
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Bianchi N, Doneda L, Elli L, Taccioli C, Vaira V, Scricciolo A, Lombardo V, Terrazzan A, Colapietro P, Terranova L, Bergamini C, Vecchi M, Scaramella L, Nandi N, Roncoroni L. Circulating microRNAs Suggest Networks Associated with Biological Functions in Aggressive Refractory Type 2 Celiac Disease. Biomedicines 2022; 10:biomedicines10061408. [PMID: 35740429 PMCID: PMC9219665 DOI: 10.3390/biomedicines10061408] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 06/07/2022] [Accepted: 06/09/2022] [Indexed: 02/08/2023] Open
Abstract
Despite following a gluten-free diet, which is currently the only effective therapy for celiac disease, about 5% of patients can develop serious complications, which in the case of refractory type 2 could evolve towards intestinal lymphoma. In this study, we have identified a set of 15 microRNAs in serum discriminating between the two types of refractory disease. Upregulated miR-770-5p, miR-181b-2-3p, miR-1193, and miR-1226-3p could be useful for the better stratification of patients and the monitoring of disease development, while miR-490-3p was found to be dysregulated in patients with refractory type 1. Finally, by using bioinformatic tools applied to the analysis of the targets of dysregulated microRNAs, we have completed a more precise assessment of their functions. These mainly include the pathway of response to Transforming Growth Factor β cell-cell signaling by Wnt; epigenetic regulation, especially novel networks associated with transcriptional and post-transcriptional alterations; and the well-known inflammatory profiles.
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Affiliation(s)
- Nicoletta Bianchi
- Department of Translational Medicine, University of Ferrara, Street L. Borsari 46, 44121 Ferrara, Italy; (N.B.); (A.T.)
| | - Luisa Doneda
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Street Pascal 36, 20133 Milan, Italy; (L.D.); (L.R.)
| | - Luca Elli
- Center for Prevention and Diagnosis of Celiac Disease, Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (A.S.); (V.L.); (M.V.); (L.S.); (N.N.)
- Correspondence:
| | - Cristian Taccioli
- Department of Animal Medicine, Production and Health, University of Padova, 35020 Legnaro, Italy;
| | - Valentina Vaira
- Division of Pathology, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Street F. Sforza 35, 20122 Milan, Italy;
- Department of Pathophysiology and Transplantation, University of Milan, Street F. Sforza 35, 20122 Milan, Italy;
| | - Alice Scricciolo
- Center for Prevention and Diagnosis of Celiac Disease, Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (A.S.); (V.L.); (M.V.); (L.S.); (N.N.)
| | - Vincenza Lombardo
- Center for Prevention and Diagnosis of Celiac Disease, Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (A.S.); (V.L.); (M.V.); (L.S.); (N.N.)
| | - Anna Terrazzan
- Department of Translational Medicine, University of Ferrara, Street L. Borsari 46, 44121 Ferrara, Italy; (N.B.); (A.T.)
| | - Patrizia Colapietro
- Department of Pathophysiology and Transplantation, University of Milan, Street F. Sforza 35, 20122 Milan, Italy;
| | - Leonardo Terranova
- Respiratory Unit and Cystic Fibrosis Adult Center, Internal Medicine Department, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Street F. Sforza 35, 20122 Milan, Italy;
| | - Carlo Bergamini
- Department of Neuroscience and Rehabilitation, University of Ferrara, Street L. Borsari 46, 44121 Ferrara, Italy;
| | - Maurizio Vecchi
- Center for Prevention and Diagnosis of Celiac Disease, Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (A.S.); (V.L.); (M.V.); (L.S.); (N.N.)
- Department of Pathophysiology and Transplantation, University of Milan, Street F. Sforza 35, 20122 Milan, Italy;
| | - Lucia Scaramella
- Center for Prevention and Diagnosis of Celiac Disease, Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (A.S.); (V.L.); (M.V.); (L.S.); (N.N.)
| | - Nicoletta Nandi
- Center for Prevention and Diagnosis of Celiac Disease, Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (A.S.); (V.L.); (M.V.); (L.S.); (N.N.)
- Department of Pathophysiology and Transplantation, University of Milan, Street F. Sforza 35, 20122 Milan, Italy;
| | - Leda Roncoroni
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Street Pascal 36, 20133 Milan, Italy; (L.D.); (L.R.)
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Zhao LP, Hu JH, Hu D, Wang HJ, Huang CG, Luo RH, Zhou ZH, Huang XY, Xie T, Lou JS. Hyperprogression, a challenge of PD-1/PD-L1 inhibitors treatments: potential mechanisms and coping strategies. Biomed Pharmacother 2022; 150:112949. [PMID: 35447545 DOI: 10.1016/j.biopha.2022.112949] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 04/01/2022] [Accepted: 04/08/2022] [Indexed: 11/29/2022] Open
Abstract
Immunotherapy is now a mainstay in cancer treatments. Programmed cell death 1 (PD-1)/programmed cell death ligand 1 (PD-L1) immune checkpoint inhibitor (ICI) therapies have opened up a new venue of advanced cancer immunotherapy. However, hyperprogressive disease (HPD) induced by PD-1/PD-L1 inhibitors caused a significant decrease in the overall survival (OS) of the patients, which compromise the efficacy of PD-1/PD-L1 inhibitors. Therefore, HPD has become an urgent issue to be addressed in the clinical uses of PD-1/PD-L1 inhibitors. The mechanisms of HPD remain unclear, and possible predictive factors of HPD are not well understood. In this review, we summarized the potential mechanisms of HPD and coping strategies that can effectively reduce the occurrence and development of HPD.
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Affiliation(s)
- Li-Ping Zhao
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Zhejiang 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Jun-Hu Hu
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Zhejiang 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Die Hu
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Zhejiang 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Hao-Jie Wang
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Zhejiang 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Chang-Gang Huang
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Zhejiang 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Ru-Hua Luo
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Zhejiang 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Zhao-Huang Zhou
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Zhejiang 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Xin-Yun Huang
- Department of Physiology and Biophysics, Weill Cornell Medical College of Cornell University, New York, NY 10065, USA.
| | - Tian Xie
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Zhejiang 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China.
| | - Jian-Shu Lou
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Zhejiang 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China.
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15
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Chen W, Schilperoort M, Cao Y, Shi J, Tabas I, Tao W. Macrophage-targeted nanomedicine for the diagnosis and treatment of atherosclerosis. Nat Rev Cardiol 2022; 19:228-249. [PMID: 34759324 PMCID: PMC8580169 DOI: 10.1038/s41569-021-00629-x] [Citation(s) in RCA: 185] [Impact Index Per Article: 92.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/22/2021] [Indexed: 12/12/2022]
Abstract
Nanotechnology could improve our understanding of the pathophysiology of atherosclerosis and contribute to the development of novel diagnostic and therapeutic strategies to further reduce the risk of cardiovascular disease. Macrophages have key roles in atherosclerosis progression and, therefore, macrophage-associated pathological processes are important targets for both diagnostic imaging and novel therapies for atherosclerosis. In this Review, we highlight efforts in the past two decades to develop imaging techniques and to therapeutically manipulate macrophages in atherosclerotic plaques with the use of rationally designed nanoparticles. We review the latest progress in nanoparticle-based imaging modalities that can specifically target macrophages. Using novel molecular imaging technology, these modalities enable the identification of advanced atherosclerotic plaques and the assessment of the therapeutic efficacy of medical interventions. Additionally, we provide novel perspectives on how macrophage-targeting nanoparticles can deliver a broad range of therapeutic payloads to atherosclerotic lesions. These nanoparticles can suppress pro-atherogenic macrophage processes, leading to improved resolution of inflammation and stabilization of plaques. Finally, we propose future opportunities for novel diagnostic and therapeutic strategies and provide solutions to challenges in this area for the purpose of accelerating the clinical translation of nanomedicine for the treatment of atherosclerotic vascular disease.
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Affiliation(s)
- Wei Chen
- Center for Nanomedicine and Department of Anaesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Maaike Schilperoort
- Department of Medicine, Columbia University Irving Medical Center, New York, NY, USA
- Department of Physiology and Cellular Biophysics, Columbia University Irving Medical Center, New York, NY, USA
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, USA
| | - Yihai Cao
- Department of Microbiology, Tumour and Cell Biology, Karolinska Institutet, Stockholm, Sweden
| | - Jinjun Shi
- Center for Nanomedicine and Department of Anaesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
| | - Ira Tabas
- Department of Medicine, Columbia University Irving Medical Center, New York, NY, USA.
- Department of Physiology and Cellular Biophysics, Columbia University Irving Medical Center, New York, NY, USA.
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, USA.
| | - Wei Tao
- Center for Nanomedicine and Department of Anaesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
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16
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Fan J, Bellon M, Ju M, Zhao L, Wei M, Fu L, Nicot C. Clinical significance of FBXW7 loss of function in human cancers. Mol Cancer 2022; 21:87. [PMID: 35346215 PMCID: PMC8962602 DOI: 10.1186/s12943-022-01548-2] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 02/22/2022] [Indexed: 12/13/2022] Open
Abstract
FBXW7 (F-Box and WD Repeat Domain Containing 7) (also referred to as FBW7 or hCDC4) is a component of the Skp1-Cdc53 / Cullin-F-box-protein complex (SCF/β-TrCP). As a member of the F-box protein family, FBXW7 serves a role in phosphorylation-dependent ubiquitination and proteasome degradation of oncoproteins that play critical role(s) in oncogenesis. FBXW7 affects many regulatory functions involved in cell survival, cell proliferation, tumor invasion, DNA damage repair, genomic instability and telomere biology. This thorough review of current literature details how FBXW7 expression and functions are regulated through multiple mechanisms and how that ultimately drives tumorigenesis in a wide array of cell types. The clinical significance of FBXW7 is highlighted by the fact that FBXW7 is frequently inactivated in human lung, colon, and hematopoietic cancers. The loss of FBXW7 can serve as an independent prognostic marker and is significantly correlated with the resistance of tumor cells to chemotherapeutic agents and poorer disease outcomes. Recent evidence shows that genetic mutation of FBXW7 differentially affects the degradation of specific cellular targets resulting in a distinct and specific pattern of activation/inactivation of cell signaling pathways. The clinical significance of FBXW7 mutations in the context of tumor development, progression, and resistance to therapies as well as opportunities for targeted therapies is discussed.
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Affiliation(s)
- Jingyi Fan
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Guangdong Esophageal Cancer Institute; Sun Yat-sen University Cancer Center, Guangzhou, 510060, Guangdong Province, China.,Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110122, China.,Liaoning Province, China Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, Liaoning Cancer Immune Peptide Drug Engineering Technology Research Center, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, China Medical University, Shenyang, 110122, Liaoning Province, China
| | - Marcia Bellon
- Department of Pathology and Laboratory Medicine, Center for Viral Pathogenesis, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA
| | - Mingyi Ju
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110122, China.,Liaoning Province, China Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, Liaoning Cancer Immune Peptide Drug Engineering Technology Research Center, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, China Medical University, Shenyang, 110122, Liaoning Province, China
| | - Lin Zhao
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110122, China.,Liaoning Province, China Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, Liaoning Cancer Immune Peptide Drug Engineering Technology Research Center, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, China Medical University, Shenyang, 110122, Liaoning Province, China
| | - Minjie Wei
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110122, China.,Liaoning Province, China Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, Liaoning Cancer Immune Peptide Drug Engineering Technology Research Center, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, China Medical University, Shenyang, 110122, Liaoning Province, China
| | - Liwu Fu
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Guangdong Esophageal Cancer Institute; Sun Yat-sen University Cancer Center, Guangzhou, 510060, Guangdong Province, China.
| | - Christophe Nicot
- Department of Pathology and Laboratory Medicine, Center for Viral Pathogenesis, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA.
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17
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Karagiannakos A, Adamaki M, Tsintarakis A, Vojtesek B, Fåhraeus R, Zoumpourlis V, Karakostis K. Targeting Oncogenic Pathways in the Era of Personalized Oncology: A Systemic Analysis Reveals Highly Mutated Signaling Pathways in Cancer Patients and Potential Therapeutic Targets. Cancers (Basel) 2022; 14:cancers14030664. [PMID: 35158934 PMCID: PMC8833388 DOI: 10.3390/cancers14030664] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/23/2022] [Accepted: 01/24/2022] [Indexed: 12/12/2022] Open
Abstract
Cancer is the second leading cause of death globally. One of the main hallmarks in cancer is the functional deregulation of crucial molecular pathways via driver genetic events that lead to abnormal gene expression, giving cells a selective growth advantage. Driver events are defined as mutations, fusions and copy number alterations that are causally implicated in oncogenesis. Molecular analysis on tissues that have originated from a wide range of anatomical areas has shown that mutations in different members of several pathways are implicated in different cancer types. In recent decades, significant efforts have been made to incorporate this knowledge into daily medical practice, providing substantial insight towards clinical diagnosis and personalized therapies. However, since there is still a strong need for more effective drug development, a deep understanding of the involved signaling mechanisms and the interconnections between these pathways is highly anticipated. Here, we perform a systemic analysis on cancer patients included in the Pan-Cancer Atlas project, with the aim to select the ten most highly mutated signaling pathways (p53, RTK-RAS, lipids metabolism, PI-3-Kinase/Akt, ubiquitination, b-catenin/Wnt, Notch, cell cycle, homology directed repair (HDR) and splicing) and to provide a detailed description of each pathway, along with the corresponding therapeutic applications currently being developed or applied. The ultimate scope is to review the current knowledge on highly mutated pathways and to address the attractive perspectives arising from ongoing experimental studies for the clinical implementation of personalized medicine.
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Affiliation(s)
- Alexandros Karagiannakos
- Biomedical Applications Unit, Institute of Chemical Biology, National Hellenic Research Foundation (NHRF), 48 Vassileos Constantinou Avenue, 11635 Athens, Greece; (A.K.); (M.A.); (A.T.)
| | - Maria Adamaki
- Biomedical Applications Unit, Institute of Chemical Biology, National Hellenic Research Foundation (NHRF), 48 Vassileos Constantinou Avenue, 11635 Athens, Greece; (A.K.); (M.A.); (A.T.)
| | - Antonis Tsintarakis
- Biomedical Applications Unit, Institute of Chemical Biology, National Hellenic Research Foundation (NHRF), 48 Vassileos Constantinou Avenue, 11635 Athens, Greece; (A.K.); (M.A.); (A.T.)
| | - Borek Vojtesek
- Research Centre for Applied Molecular Oncology (RECAMO), Masaryk Memorial Cancer Institute, 65653 Brno, Czech Republic; (B.V.); (R.F.)
| | - Robin Fåhraeus
- Research Centre for Applied Molecular Oncology (RECAMO), Masaryk Memorial Cancer Institute, 65653 Brno, Czech Republic; (B.V.); (R.F.)
- Inserm UMRS1131, Institut de Génétique Moléculaire, Université Paris 7, Hôpital St. Louis, F-75010 Paris, France
- Department of Medical Biosciences, Umeå University, 90185 Umeå, Sweden
- International Centre for Cancer Vaccine Science, University of Gdansk, 80-822 Gdansk, Poland
| | - Vassilis Zoumpourlis
- Biomedical Applications Unit, Institute of Chemical Biology, National Hellenic Research Foundation (NHRF), 48 Vassileos Constantinou Avenue, 11635 Athens, Greece; (A.K.); (M.A.); (A.T.)
- Correspondence: (V.Z.); (K.K.)
| | - Konstantinos Karakostis
- Biomedical Applications Unit, Institute of Chemical Biology, National Hellenic Research Foundation (NHRF), 48 Vassileos Constantinou Avenue, 11635 Athens, Greece; (A.K.); (M.A.); (A.T.)
- Inserm UMRS1131, Institut de Génétique Moléculaire, Université Paris 7, Hôpital St. Louis, F-75010 Paris, France
- Institut de Biotecnologia i de Biomedicina, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
- Correspondence: (V.Z.); (K.K.)
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18
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Jirabanditsakul C, Dakeng S, Kunacheewa C, U-Pratya Y, Owattanapanich W. Comparison of Clinical Characteristics and Genetic Aberrations of Plasma Cell Disorders in Thailand Population. Technol Cancer Res Treat 2022; 21:15330338221111228. [PMID: 35770320 PMCID: PMC9252016 DOI: 10.1177/15330338221111228] [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] [Indexed: 12/15/2022] Open
Abstract
Multiple myeloma is an incurable malignancy of plasma cells resulting from impaired terminal B cell development. Almost all patients with multiple myeloma eventually have a relapse. Many studies have demonstrated the importance of the various genomic mutations that characterize multiple myeloma as a complex heterogeneous disease. In recent years, next-generation sequencing has been used to identify the genomic mutation landscape and clonal heterogeneity of multiple myeloma. This is the first study, a prospective observational study, to identify somatic mutations in plasma cell disorders in the Thai population using targeted next-generation sequencing. Twenty-seven patients with plasma cell disorders were enrolled comprising 17 cases of newly diagnosed multiple myeloma, 5 cases of relapsed/refractory multiple myeloma, and 5 cases of other plasma cell disorders. The pathogenic mutations were found in 17 of 27 patients. Seventy percent of those who had a mutation (12/17 patients) habored a single mutation, whereas the others had more than one mutation. Fifteen pathogenic mutation genes were identified: ATM, BRAF, CYLD, DIS3, DNMT3A, FBXW7, FLT3, GNA13, IRF4, KMT2A, NRAS, SAMHD1, TENT5C, TP53, and TRAF3. Most have previously been reported to be involved in the RAS/MAPK pathway, the nuclear factor kappa B pathway, the DNA-repair pathway, the CRBN pathway, tumor suppressor gene mutation, or an epigenetic mutation. However, the current study also identified mutations that had not been reported to be related to myeloma: GNA13 and FBXW7. Therefore, a deep understanding of molecular genomics would inevitably improve the clinical management of plasma cell disorder patients, and the increased knowledge would ultimately result in better outcomes for the patients.
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Affiliation(s)
- Chutirat Jirabanditsakul
- Division of Hematology, Department of Medicine, 65106Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.,Department of Clinical Microscopy, Faculty of Medical Technology, Mahidol University, Nakhon Pathom, Thailand
| | - Sumana Dakeng
- Department of Clinical Microscopy, Faculty of Medical Technology, Mahidol University, Nakhon Pathom, Thailand
| | - Chutima Kunacheewa
- Division of Hematology, Department of Medicine, 65106Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Yaowalak U-Pratya
- Division of Hematology, Department of Medicine, 65106Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Weerapat Owattanapanich
- Division of Hematology, Department of Medicine, 65106Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Feedback Loop Regulation Between Pim Kinases and Tax Keeps HTLV-I Viral Replication in Check. J Virol 2021; 96:e0196021. [PMID: 34818069 DOI: 10.1128/jvi.01960-21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The Pim family of serine/threonine kinases promote tumorigenesis by enhancing cell survival and inhibiting apoptosis. Three isoforms exist, Pim-1, -2, and -3 that are highly expressed in hematological cancers, including Pim-1 in Adult T-cell leukemia (ATL). Human T-cell leukemia virus type-1 (HTLV-I) is the etiological agent of ATL, a dismal lymphoproliferative disease known as adult T-cell leukemia. The HTLV-I virally encoded oncogene Tax promotes CD4+ T-cell transformation through disruption of DNA repair pathways and activation of survival and cellular proliferation pathways. In this study, we found Tax increases the expression of Pim-1 and Pim-3, while decreasing Pim-2 expression. Furthermore, we discovered that Pim-1, -2, and -3 bind Tax protein to reduce its expression thereby creating a feedback regulatory loop between these two oncogenes. The loss of Tax expression triggered by Pim kinases led to loss in Tax-mediated transactivation of the HTLV-I LTR and reductions in HTLV-I virus replication. Since Tax is also the immunodominant cytotoxic T cell lymphocytes (CTL) target, our data suggest that Pim kinases may play an important role in immune escape of HTLV-1-infected cells. IMPORTANCE The Pim family of protein kinases have established pro-oncogenic functions. They are often up regulated in cancer; especially leukemias and lymphomas. In addition, a role for Pim kinases in control of virus expression and viral latency is important for KSHV and HIV-1. Our data demonstrate that HTLV-I encodes viral genes that promote and maintain Pim kinase activation, which in turn may stimulate T-cell transformation and maintain ATL leukemic cell growth. HTLV-I Tax increases expression of Pim-1 and Pim-3, while decreasing expression of Pim-2. In ATL cells, Pim expression is maintained through extended protein half-life and heat shock protection. In addition, we found that Pim kinases have a new role during HTLV-I infection. Pim-1, -2, and -3 can subvert Tax expression and HTLV-I virus production. This may lead to partial suppression of the host immunogenic responses to Tax and favor immune escape of HTLV-1-infected cells. Therefore, Pim kinases have not only pro-oncogenic roles but also favor persistence of the virus-infected cell.
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20
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Emerging Therapeutic Landscape of Peripheral T-Cell Lymphomas Based on Advances in Biology: Current Status and Future Directions. Cancers (Basel) 2021; 13:cancers13225627. [PMID: 34830782 PMCID: PMC8616039 DOI: 10.3390/cancers13225627] [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: 05/24/2021] [Revised: 08/24/2021] [Accepted: 08/27/2021] [Indexed: 11/17/2022] Open
Abstract
Simple Summary Peripheral T-cell lymphoma is a rare but aggressive tumor. Due to its rarity, the disease has not been completely understood. In our review, we look at this lymphoma at the molecular level based on available literature. We highlight the mechanism behind the progression and resistance of this tumor. In doing so, we bring forth possible mechanism that could be exploited through novel chemotherapy drugs. In addition, we also look at the current available drugs used in treating this disease, as well as highlight other new drugs, describing their potential in treating this lymphoma. We comprehensively have collected and present the available biology behind peripheral T-cell lymphoma and discuss the available treatment options. Abstract T-cell lymphomas are a relatively rare group of malignancies with a diverse range of pathologic features and clinical behaviors. Recent molecular studies have revealed a wide array of different mechanisms that drive the development of these malignancies and may be associated with resistance to therapies. Although widely accepted chemotherapeutic agents and combinations, including stem cell transplantation, obtain responses as initial therapy for these diseases, most patients will develop a relapse, and the median survival is only 5 years. Most patients with relapsed disease succumb within 2 to 3 years. Since 2006, the USFDA has approved five medications for treatment of these diseases, and only anti-CD30-therapy has made a change in these statistics. Clearly, newer agents are needed for treatment of these disorders, and investigators have proposed studies that evaluate agents that target these malignancies and the microenvironment depending upon the molecular mechanisms thought to underlie their pathogenesis. In this review, we discuss the currently known molecular mechanisms driving the development and persistence of these cancers and discuss novel targets for therapy of these diseases and agents that may improve outcomes for these patients.
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21
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Xi M, Guo S, Bayin C, Peng L, Chuffart F, Bourova-Flin E, Rousseaux S, Khochbin S, Mi JQ, Wang J. Chidamide inhibits the NOTCH1-MYC signaling axis in T-cell acute lymphoblastic leukemia. Front Med 2021; 16:442-458. [PMID: 34669156 DOI: 10.1007/s11684-021-0877-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 06/25/2021] [Indexed: 11/29/2022]
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is one of the most dangerous hematological malignancies, with high tumor heterogeneity and poor prognosis. More than 60% of T-ALL patients carry NOTCH1 gene mutations, leading to abnormal expression of downstream target genes and aberrant activation of various signaling pathways. We found that chidamide, an HDAC inhibitor, exerts an antitumor effect on T-ALL cell lines and primary cells including an anti-NOTCH1 activity. In particular, chidamide inhibits the NOTCH1-MYC signaling axis by down-regulating the level of the intracellular form of NOTCH1 (NICD1) as well as MYC, partly through their ubiquitination and degradation by the proteasome pathway. We also report here the preliminary results of our clinical trial supporting that a treatment by chidamide reduces minimal residual disease (MRD) in patients and is well tolerated. Our results highlight the effectiveness and safety of chidamide in the treatment of T-ALL patients, including those with NOTCH1 mutations and open the way to a new therapeutic strategy for these patients.
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Affiliation(s)
- Mengping Xi
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.,Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Shanghai, 200025, China
| | - Shanshan Guo
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.,Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Shanghai, 200025, China
| | - Caicike Bayin
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.,Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Shanghai, 200025, China
| | - Lijun Peng
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.,Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Shanghai, 200025, China
| | - Florent Chuffart
- Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Shanghai, 200025, China.,CNRS UMR 5309/INSERM U1209/Université Grenoble Alpes/Institute for Advanced Biosciences, 38706, La Tronche, France
| | - Ekaterina Bourova-Flin
- Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Shanghai, 200025, China.,CNRS UMR 5309/INSERM U1209/Université Grenoble Alpes/Institute for Advanced Biosciences, 38706, La Tronche, France
| | - Sophie Rousseaux
- Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Shanghai, 200025, China. .,CNRS UMR 5309/INSERM U1209/Université Grenoble Alpes/Institute for Advanced Biosciences, 38706, La Tronche, France.
| | - Saadi Khochbin
- Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Shanghai, 200025, China. .,CNRS UMR 5309/INSERM U1209/Université Grenoble Alpes/Institute for Advanced Biosciences, 38706, La Tronche, France.
| | - Jian-Qing Mi
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China. .,Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Shanghai, 200025, China.
| | - Jin Wang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China. .,Pôle de Recherches Sino-Français en Science du Vivant et Génomique, Shanghai, 200025, China.
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22
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Delvecchio VS, Fierro C, Giovannini S, Melino G, Bernassola F. Emerging roles of the HECT-type E3 ubiquitin ligases in hematological malignancies. Discov Oncol 2021; 12:39. [PMID: 35201500 PMCID: PMC8777521 DOI: 10.1007/s12672-021-00435-4] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 09/13/2021] [Indexed: 02/07/2023] Open
Abstract
Ubiquitination-mediated proteolysis or regulation of proteins, ultimately executed by E3 ubiquitin ligases, control a wide array of cellular processes, including transcription, cell cycle, autophagy and apoptotic cell death. HECT-type E3 ubiquitin ligases can be distinguished from other subfamilies of E3 ubiquitin ligases because they have a C-terminal HECT domain that directly catalyzes the covalent attachment of ubiquitin to their substrate proteins. Deregulation of HECT-type E3-mediated ubiquitination plays a prominent role in cancer development and chemoresistance. Several members of this subfamily are indeed frequently deregulated in human cancers as a result of genetic mutations and altered expression or activity. HECT-type E3s contribute to tumorigenesis by regulating the ubiquitination rate of substrates that function as either tumour suppressors or oncogenes. While the pathological roles of the HECT family members in solid tumors are quite well established, their contribution to the pathogenesis of hematological malignancies has only recently emerged. This review aims to provide a comprehensive overview of the involvement of the HECT-type E3s in leukemogenesis.
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Affiliation(s)
- Vincenza Simona Delvecchio
- Department of Experimental Medicine, TOR, University of Rome “Tor Vergata”, Via Montpellier 1, 00133 Rome, Italy
| | - Claudia Fierro
- Department of Experimental Medicine, TOR, University of Rome “Tor Vergata”, Via Montpellier 1, 00133 Rome, Italy
| | - Sara Giovannini
- Department of Experimental Medicine, TOR, University of Rome “Tor Vergata”, Via Montpellier 1, 00133 Rome, Italy
| | - Gerry Melino
- Department of Experimental Medicine, TOR, University of Rome “Tor Vergata”, Via Montpellier 1, 00133 Rome, Italy
| | - Francesca Bernassola
- Department of Experimental Medicine, TOR, University of Rome “Tor Vergata”, Via Montpellier 1, 00133 Rome, Italy
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23
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Khan AQ, Al-Tamimi M, Uddin S, Steinhoff M. F-box proteins in cancer stemness: An emerging prognostic and therapeutic target. Drug Discov Today 2021; 26:2905-2914. [PMID: 34265459 DOI: 10.1016/j.drudis.2021.07.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/16/2021] [Accepted: 07/05/2021] [Indexed: 01/15/2023]
Abstract
Cancer is a complex heterogenic disease with significant therapeutic challenges. The presence of cancer stem cells (CSCs) in cancer tissue orchestrates tumor growth, progression, and metastasis, the tumor heterogeneity, disease relapse, and therapeutic resistance. Hence, it is imperative to explore how progenitor or cancer-initiating cells acquire stemness features and reprogram different biological mechanisms to maintain their sustained oncogenicity. Interestingly, deregulation of F-box proteins (FBPs) is crucial for cancer stemness features, including drug resistance and disease relapse. In this review, we highlight recent updates on the clinical significance of targeting FBPs in cancer therapy, with emphasis on eliminating CSCs and associated therapeutic challenges. Moreover, we also discuss novel strategies for the selective elimination of CSCs by targeting FBPs.
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Affiliation(s)
- Abdul Q Khan
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar.
| | - Maha Al-Tamimi
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
| | - Shahab Uddin
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar; Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; Department of Dermatology and Venereology, Rumailah Hospital, Hamad Medical Corporation, Doha 3050, Qatar; Laboratory Animal Center, Qatar University, Doha 2713, Qatar
| | - Martin Steinhoff
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar; Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; Department of Dermatology and Venereology, Rumailah Hospital, Hamad Medical Corporation, Doha 3050, Qatar; Department of Medicine, Weill Cornell Medicine Qatar, Qatar Foundation-Education City, Doha 24144, Qatar; Department of Medicine, Weill Cornell Medicine, 1300 York Avenue, New York, NY 10065, USA; College of Medicine, Qatar University, Doha 2713, Qatar
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24
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Cortés JR, Palomero T. Biology and Molecular Pathogenesis of Mature T-Cell Lymphomas. Cold Spring Harb Perspect Med 2021; 11:cshperspect.a035402. [PMID: 32513675 DOI: 10.1101/cshperspect.a035402] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Peripheral T-cell lymphomas (PTCLs) constitute a highly heterogeneous group of hematological diseases with complex clinical and molecular features consistent with the diversity of the T-cell type from which they originate. In the past several years, the systematic implementation of high-throughput genomic technologies for the analysis of T-cell malignancies has supported an exponential progress in our understanding of the genetic drivers of oncogenesis and unraveled the molecular complexity of these diseases. Recent findings have helped redefine the classification of T-cell malignancies and provided novel biomarkers to improve diagnosis accuracy and analyze the response to therapy. In addition, multiple novel targeted therapies including small-molecule inhibitors, antibody-based approaches, and immunotherapy have shown promising results in early clinical analysis and have the potential to completely change the way T-cell malignancies have been treated traditionally.
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Affiliation(s)
| | - Teresa Palomero
- Institute for Cancer Genetics.,Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, New York 10032, USA
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25
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Kar R, Jha SK, Ojha S, Sharma A, Dholpuria S, Raju VSR, Prasher P, Chellappan DK, Gupta G, Kumar Singh S, Paudel KR, Hansbro PM, Kumar Singh S, Ruokolainen J, Kesari KK, Dua K, Jha NK. The FBXW7-NOTCH interactome: A ubiquitin proteasomal system-induced crosstalk modulating oncogenic transformation in human tissues. Cancer Rep (Hoboken) 2021; 4:e1369. [PMID: 33822486 PMCID: PMC8388169 DOI: 10.1002/cnr2.1369] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 02/21/2021] [Accepted: 03/01/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Ubiquitin ligases or E3 ligases are well programmed to regulate molecular interactions that operate at a post-translational level. Skp, Cullin, F-box containing complex (or SCF complex) is a multidomain E3 ligase known to mediate the degradation of a wide range of proteins through the proteasomal pathway. The three-dimensional domain architecture of SCF family proteins suggests that it operates through a novel and adaptable "super-enzymatic" process that might respond to targeted therapeutic modalities in cancer. RECENT FINDINGS Several F-box containing proteins have been characterized either as tumor suppressors (FBXW8, FBXL3, FBXW8, FBXL3, FBXO1, FBXO4, and FBXO18) or as oncogenes (FBXO5, FBXO9, and SKP2). Besides, F-box members like βTrcP1 and βTrcP2, the ones with context-dependent functionality, have also been studied and reported. FBXW7 is a well-studied F-box protein and is a tumor suppressor. FBXW7 regulates the activity of a range of substrates, such as c-Myc, cyclin E, mTOR, c-Jun, NOTCH, myeloid cell leukemia sequence-1 (MCL1), AURKA, NOTCH through the well-known ubiquitin-proteasome system (UPS)-mediated degradation pathway. NOTCH signaling is a primitive pathway that plays a crucial role in maintaining normal tissue homeostasis. FBXW7 regulates NOTCH protein activity by controlling its half-life, thereby maintaining optimum protein levels in tissue. However, aberrations in the FBXW7 or NOTCH expression levels can lead to poor prognosis and detrimental outcomes in patients. Therefore, the FBXW7-NOTCH axis has been a subject of intense study and research over the years, especially around the interactome's role in driving cancer development and progression. Several studies have reported the effect of FBXW7 and NOTCH mutations on normal tissue behavior. The current review attempts to critically analyze these mutations prognostic value in a wide range of tumors. Furthermore, the review summarizes the recent findings pertaining to the FBXW7 and NOTCH interactome and its involvement in phosphorylation-related events, cell cycle, proliferation, apoptosis, and metastasis. CONCLUSION The review concludes by positioning FBXW7 as an effective diagnostic marker in tumors and by listing out recent advancements made in cancer therapeutics in identifying protocols targeting the FBXW7-NOTCH aberrations in tumors.
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Affiliation(s)
- Rohan Kar
- Indian Institute of Management Ahmedabad (IIMA), Ahmedabad, Gujarat, 380015, India
| | - Saurabh Kumar Jha
- Department of Biotechnology, School of Engineering & Technology (SET), Sharda University, Greater Noida, Uttar Pradesh, 201310, India
| | - Shreesh Ojha
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, 17666, United Arab Emirates
| | - Ankur Sharma
- Department of Life sciences, School of Basic Science & Research (SBSR), Sharda University, Greater Noida, Uttar Pradesh, 201310, India
| | - Sunny Dholpuria
- Department of Life sciences, School of Basic Science & Research (SBSR), Sharda University, Greater Noida, Uttar Pradesh, 201310, India
| | - Venkata Sita Rama Raju
- Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
| | - Parteek Prasher
- Department of Chemistry, University of Petroleum & Energy Studies, Dehradun, 248007, India
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University (IMU), Bukit Jalil, Kuala Lumpur, 57000, Malaysia
| | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, Jaipur, 302017, India
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Keshav Raj Paudel
- Centre for Inflammation, Centenary Institute, New South Wales, 2050, Australia.,School of Life Sciences, Faculty of Science, University of Technology Sydney, 2007, Australia
| | - Philip M Hansbro
- Centre for Inflammation, Centenary Institute, New South Wales, 2050, Australia.,School of Life Sciences, Faculty of Science, University of Technology Sydney, 2007, Australia.,Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute (HMRI), University of Newcastle, New Lambton Heights, New South Wales, 2308, Australia
| | - Sandeep Kumar Singh
- Indian Scientific Education and Technology Foundation, Lucknow, Uttar Pradesh, 226002, India
| | - Janne Ruokolainen
- Department of Applied Physics, School of Science, Aalto University, Espoo, Finland
| | | | - Kamal Dua
- Centre for Inflammation, Centenary Institute, New South Wales, 2050, Australia.,Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute (HMRI), University of Newcastle, New Lambton Heights, New South Wales, 2308, Australia.,Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, NSW, 2007, Australia
| | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering & Technology (SET), Sharda University, Greater Noida, Uttar Pradesh, 201310, India
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26
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Fang-Fang Z, You Y, Wen-Jun L. Progress in research on childhood T-cell acute lymphocytic leukemia, Notch1 signaling pathway, and its inhibitors: A review. Bosn J Basic Med Sci 2021; 21:136-144. [PMID: 32415821 PMCID: PMC7982061 DOI: 10.17305/bjbms.2020.4687] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Accepted: 04/25/2020] [Indexed: 02/07/2023] Open
Abstract
Childhood leukemia is cancer that seriously threatens the life of children in China. Poor sensitivity to chemotherapy and susceptibility to drug resistance are the reasons for the treatment of T-cell acute lymphocytic leukemia (T-ALL) being extremely difficult. Moreover, traditional intensive chemotherapy regimens cause great damage to children. Therefore, it is highly important to search for targeted drugs and develop a precise individualized treatment for child patients. There are activating mutations in the NOTCH1 gene in more than 50% of human T-ALLs and the Notch signaling pathway is involved in the pathogenesis of T-ALL. In this review, we summarize the progress in research on T-ALL and Notch1 signaling pathway inhibitors to provide a theoretical basis for the clinical treatment of T-ALL.
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Affiliation(s)
- Zhong Fang-Fang
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China; Department of Pediatrics, Affiliated Hospital of Southwest Medical University, Birth Defects Clinical Medical Research Center of Sichuan Province, Luzhou, China
| | - Yang You
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China; Department of Pediatrics, Affiliated Hospital of Southwest Medical University, Birth Defects Clinical Medical Research Center of Sichuan Province, Luzhou, China
| | - Liu Wen-Jun
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China; Department of Pediatrics, Affiliated Hospital of Southwest Medical University, Birth Defects Clinical Medical Research Center of Sichuan Province, Luzhou, China
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27
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Fhu CW, Ali A. Dysregulation of the Ubiquitin Proteasome System in Human Malignancies: A Window for Therapeutic Intervention. Cancers (Basel) 2021; 13:cancers13071513. [PMID: 33805973 PMCID: PMC8037609 DOI: 10.3390/cancers13071513] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/22/2021] [Accepted: 03/22/2021] [Indexed: 02/07/2023] Open
Abstract
Simple Summary The ubiquitin proteasome system (UPS) governs the non-lysosomal degradation of oxidized, damaged, or misfolded proteins in eukaryotic cells. Dysregulation of the UPS results in loss of ability to maintain protein quality through proteolysis, and is closely related to the development of various malignancies and tumorigenesis. Here, we provide a comprehensive general overview on the regulation and roles of UPS and discuss the mechanisms linking dysregulated UPS to human malignancies. Inhibitors developed against components of the UPS, which include U.S. Food and Drug Administration FDA-approved and those currently undergoing clinical trials, are also presented in this review. Abstract The ubiquitin proteasome system (UPS) governs the non-lysosomal degradation of oxidized, damaged, or misfolded proteins in eukaryotic cells. This process is tightly regulated through the activation and transfer of polyubiquitin chains to target proteins which are then recognized and degraded by the 26S proteasome complex. The role of UPS is crucial in regulating protein levels through degradation to maintain fundamental cellular processes such as growth, division, signal transduction, and stress response. Dysregulation of the UPS, resulting in loss of ability to maintain protein quality through proteolysis, is closely related to the development of various malignancies and tumorigenesis. Here, we provide a comprehensive general overview on the regulation and roles of UPS and discuss functional links of dysregulated UPS in human malignancies. Inhibitors developed against components of the UPS, which include U.S. Food and Drug Administration FDA-approved and those currently undergoing clinical trials, are also presented in this review.
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28
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Xu F, Li J, Ni M, Cheng J, Zhao H, Wang S, Zhou X, Wu X. FBW7 suppresses ovarian cancer development by targeting the N 6-methyladenosine binding protein YTHDF2. Mol Cancer 2021; 20:45. [PMID: 33658012 PMCID: PMC7927415 DOI: 10.1186/s12943-021-01340-8] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Accepted: 02/23/2021] [Indexed: 12/14/2022] Open
Abstract
Background The tumor suppressor FBW7 is the substrate recognition component of the SCF E3-ubiquitin ligase complex that mediates proteolytic degradation of various oncogenic proteins. However, the role of FBW7 in ovarian cancer progression remains inadequately understood. Methods IP-MASS, co-IP, immunohistochemistry, and western blotting were used to identify the potential substrate of FBW7 in ovarian cancer. The biological effects of FBW7 were investigated using in vitro and in vivo models. LC/MS was used to detect the m6A levels in ovarian cancer tissues. MeRIP-Seq and RNA-Seq were used to assess the downstream targets of YTHDF2. Results We unveil that FBW7 is markedly down-regulated in ovarian cancer tissues and its high expression is associated with favorable prognosis and elevated m6A modification levels. Consistently, ectopic FBW7 inhibits ovarian cancer cell survival and proliferation in vitro and in vivo, while ablation of FBW7 empowers propagation of ovarian cancer cells. In addition, the m6A reader protein, YTHDF2, is identified as a novel substrate for FBW7. FBW7 counteracts the tumor-promoting effect of YTHDF2 by inducing proteasomal degradation of the latter in ovarian cancer. Furthermore, YTHDF2 globally regulates the turnover of m6A-modified mRNAs, including the pro-apoptotic gene BMF. Conclusions Our study has demonstrated that FBW7 suppresses tumor growth and progression via antagonizing YTHDF2-mediated BMF mRNA decay in ovarian cancer. Supplementary Information The online version contains supplementary material available at 10.1186/s12943-021-01340-8.
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Affiliation(s)
- Fei Xu
- Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Fudan University, Shanghai, 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Jiajia Li
- Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Fudan University, Shanghai, 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Mengdong Ni
- Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Fudan University, Shanghai, 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Jingyi Cheng
- Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Fudan University, Shanghai, 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Haiyun Zhao
- Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Fudan University, Shanghai, 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Shanshan Wang
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China.,Fudan University Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China
| | - Xiang Zhou
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China. .,Fudan University Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China.
| | - Xiaohua Wu
- Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Fudan University, Shanghai, 200032, China. .,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China.
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29
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Dutta D, Sharma V, Mutsuddi M, Mukherjee A. Regulation of Notch signaling by E3 ubiquitin ligases. FEBS J 2021; 289:937-954. [PMID: 33644958 DOI: 10.1111/febs.15792] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 02/07/2021] [Accepted: 02/25/2021] [Indexed: 12/11/2022]
Abstract
Notch signaling is an evolutionarily conserved pathway that is widely used for multiple cellular events during development. Activation of the Notch pathway occurs when the ligand from a neighboring cell binds to the Notch receptor and induces cleavage of the intracellular domain of Notch, which further translocates into the nucleus to activate its downstream genes. The involvement of the Notch pathway in diverse biological events is possible due to the complexity in its regulation. In order to maintain tight spatiotemporal regulation, the Notch receptor, as well as its ligand, undergoes a series of physical and biochemical modifications that, in turn, helps in proper maintenance and fine-tuning of the signaling outcome. Ubiquitination is the post-translational addition of a ubiquitin molecule to a substrate protein, and the process is regulated by E3 ubiquitin ligases. The present review describes the involvement of different E3 ubiquitin ligases that play an important role in the regulation and maintenance of proper Notch signaling and how perturbation in ubiquitination results in abnormal Notch signaling leading to a number of human diseases.
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Affiliation(s)
- Debdeep Dutta
- Department of Molecular and Human Genetics, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Vartika Sharma
- Department of Molecular and Human Genetics, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Mousumi Mutsuddi
- Department of Molecular and Human Genetics, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Ashim Mukherjee
- Department of Molecular and Human Genetics, Institute of Science, Banaras Hindu University, Varanasi, India
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30
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Lin C, Qian P, Zhang Y, Liu Z, Dai K, Sun D. Plac1 promotes nasopharyngeal carcinoma cells proliferation, migration and invasion via Furin/NICD/PTEN pathway. Tissue Cell 2021; 69:101480. [PMID: 33418237 DOI: 10.1016/j.tice.2020.101480] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 12/09/2020] [Accepted: 12/10/2020] [Indexed: 01/17/2023]
Abstract
Placenta-specific protein 1 (Plac1) has critical functions in multiple human malignancies, but its role in nasopharyngeal carcinoma (NPC) was unclear. Clinical samples of NPC and adjacent normal tissue were collected. Plac1 expressions in both tissues and cells were measured. After cell transfection, NPC cell viability, proliferation, migration and invasion were detected using cell counting kit-8 (CCK-8) assay, colony formation assay, scratch assay and Transwell assay. Relative expressions of Plac1 and proteins related to migration and invasion (E-Cadherin, N-cadherin, Matrix metalloproteinase2 (MMP2), and MMP9), Furin/Notch1 intracellular domain (NICD)/phosphate and tension homology (PTEN) pathway (NICD, PTEN, phosphorylated-Akt (p-Akt), Akt) were quantified by quantitative real-time polymerase chain reaction (qRT-PCR) and Western blot as needed. The interaction between Plac1 and Furin, a member of Furin/NICD/PTEN Pathway, was analyzed using co-Immunoprecipitation (co-IP) assay. Plac1 expression was upregulated in both NPC tissue and cells. Overexpressed Plac1 promoted Plac1 and Furin expressions and increased cell viability, proliferation, migration and invasion of NPC cells, while silencing Plac1 showed the opposite effects. Plac1 interacted with Furin, overexpression of Furin reversed the inhibitory effects of silencing Plac1 on NPC cell proliferation, migration, and invasion, and also reversed the effects of silencing Plac1 on Furin/NICD/PTEN pathway-, cell migration-, and invasion-related protein expressions. Plac1 promoted NPC cell proliferation, migration and invasion via Furin/NICD/PTEN Pathway. The findings of this study provide a possible therapeutic method for NPC treatment.
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Affiliation(s)
- Chuanbao Lin
- Otorhinolaryngology Head and Neck Surgery, Weifang Ruiqing Hospital, Weicheng District, Weifang City, Shandong Province, 261021, China
| | - Pengfei Qian
- Department of Pediatrics, W.F. Maternal and Child Health Hospital, Weicheng District, Weifang City, Shandong Province, 261021, China
| | - Yan Zhang
- Department of Pathology, Z.C. Maternal and Child Health Hospital, Zhucheng City, Weifang City, Shandong Province, 262200, China
| | - Zhihui Liu
- Otorhinolaryngology Head and Neck Surgery, Weifang Ruiqing Hospital, Weicheng District, Weifang City, Shandong Province, 261021, China
| | - Kun Dai
- Center for Single-Cell Omics, School of Public Health, Shanghai Jiao Tong University, School of Medicine, Chongqing Road, Shanghai, 200025, China
| | - Dawei Sun
- Otorhinolaryngology Head and Neck Surgery, Weifang Ruiqing Hospital, Weicheng District, Weifang City, Shandong Province, 261021, China.
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Liu Z, Ma T, Duan J, Liu X, Liu L. MicroRNA‑223‑induced inhibition of the FBXW7 gene affects the proliferation and apoptosis of colorectal cancer cells via the Notch and Akt/mTOR pathways. Mol Med Rep 2020; 23:154. [PMID: 33355365 PMCID: PMC7789109 DOI: 10.3892/mmr.2020.11793] [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: 05/05/2020] [Accepted: 11/17/2020] [Indexed: 12/15/2022] Open
Abstract
The tumour suppressor gene F-box and WD repeat domain-containing 7 (FBXW7) plays an important role in human cancer by regulating cell division, proliferation and differentiation. However, the exact regulatory mechanisms of microRNA (miR)-223 in colorectal cancer (CRC) cells are still unknown. The present study aimed to investigate the effect and mechanism of miR-223 inhibiting FBXW7 on the proliferation and apoptosis of CRC cells. HCT116 cells were transfected with miR-223 mimics or small interfering RNA (siRNA) targeting FBXW7 (siFBXW7), and the effects of these treatments on cell proliferation and apoptosis were examined. The downstream Notch and Akt/mTOR pathways were also assessed. Following miR-223 overexpression, the mRNA and protein expression levels of FBXW7 were downregulated. Transfection with miR-223 mimics or siFBXW7 promoted the proliferation of HCT116 cells and inhibited apoptosis by promoting the Notch and Akt/mTOR signalling pathways. Conversely, miR-223 mimics transfection with FBXW7 overexpression inhibited cell viability and restored apoptosis. Thus, the present study demonstrated that miR-223 could bind to the FBXW7 gene and inhibit its expression, ultimately increasing the proliferation and preventing the apoptosis of CRC cells through the Notch and Akt/mTOR signalling pathways.
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Affiliation(s)
- Zhixin Liu
- Department of Infectious Diseases, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Teng Ma
- Department of Infectious Diseases, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Jufeng Duan
- Department of Infectious Diseases, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Xiaofei Liu
- Department of Infectious Diseases, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Long Liu
- Department of Infectious Diseases, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
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Bolomsky A, Vogler M, Köse MC, Heckman CA, Ehx G, Ludwig H, Caers J. MCL-1 inhibitors, fast-lane development of a new class of anti-cancer agents. J Hematol Oncol 2020; 13:173. [PMID: 33308268 PMCID: PMC7731749 DOI: 10.1186/s13045-020-01007-9] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 11/22/2020] [Indexed: 12/24/2022] Open
Abstract
Cell death escape is one of the most prominent features of tumor cells and closely linked to the dysregulation of members of the Bcl-2 family of proteins. Among those, the anti-apoptotic family member myeloid cell leukemia-1 (MCL-1) acts as a master regulator of apoptosis in various human malignancies. Irrespective of its unfavorable structure profile, independent research efforts recently led to the generation of highly potent MCL-1 inhibitors that are currently evaluated in clinical trials. This offers new perspectives to target a so far undruggable cancer cell dependency. However, a detailed understanding about the tumor and tissue type specific implications of MCL-1 are a prerequisite for the optimal (i.e., precision medicine guided) use of this novel drug class. In this review, we summarize the major functions of MCL-1 with a special focus on cancer, provide insights into its different roles in solid vs. hematological tumors and give an update about the (pre)clinical development program of state-of-the-art MCL-1 targeting compounds. We aim to raise the awareness about the heterogeneous role of MCL-1 as drug target between, but also within tumor entities and to highlight the importance of rationale treatment decisions on a case by case basis.
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Affiliation(s)
- Arnold Bolomsky
- Wilhelminen Cancer Research Institute, Wilhelminenspital, Vienna, Austria
| | - Meike Vogler
- Department of Clinical Hematology, GIGA-I3, University of Liège, CHU De Liège, 35, Dom Univ Sart Tilman B, 4000, Liège, Belgium
| | - Murat Cem Köse
- Institute for Experimental Cancer Research in Pediatrics, Goethe-University, Frankfurt, Germany
| | - Caroline A Heckman
- Institute for Molecular Medicine Finland-FIMM, HiLIFE-Helsinki Institute of Life Science, iCAN Digital Cancer Medicine Flagship, University of Helsinki, Helsinki, Finland
| | - Grégory Ehx
- Institute for Experimental Cancer Research in Pediatrics, Goethe-University, Frankfurt, Germany
| | - Heinz Ludwig
- Wilhelminen Cancer Research Institute, Wilhelminenspital, Vienna, Austria
| | - Jo Caers
- Department of Clinical Hematology, GIGA-I3, University of Liège, CHU De Liège, 35, Dom Univ Sart Tilman B, 4000, Liège, Belgium.
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Hynes-Smith RW, Wittorf KJ, Buckley SM. Regulation of Normal and Malignant Hematopoiesis by FBOX Ubiquitin E3 Ligases. Trends Immunol 2020; 41:1128-1140. [PMID: 33160841 DOI: 10.1016/j.it.2020.10.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 10/06/2020] [Accepted: 10/07/2020] [Indexed: 12/13/2022]
Abstract
Hematopoiesis is responsible for numerous functions, ranging from oxygen transportation to host defense, to injury repair. This process of hematopoiesis is maintained throughout life by hematopoietic stem cells and requires a controlled balance between self-renewal, differentiation, and quiescence. Disrupting this balance can result in hematopoietic malignancies, including anemia, immune deficiency, leukemia, and lymphoma. Recent work has shown that FBOX E3 ligases, a substrate recognition component of the ubiquitin proteasome system (UPS), have an integral role in maintaining this balance. In this review, we detail how FBOX proteins target specific proteins for degradation to regulate hematopoiesis through cell processes, such as cell cycle, development, and apoptosis.
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Affiliation(s)
- R Willow Hynes-Smith
- Department of Genetics, Cell Biology, and Anatomy, University of Nebraska Medical Center, Omaha, NE, USA; Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Karli J Wittorf
- Department of Genetics, Cell Biology, and Anatomy, University of Nebraska Medical Center, Omaha, NE, USA; Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Shannon M Buckley
- Department of Genetics, Cell Biology, and Anatomy, University of Nebraska Medical Center, Omaha, NE, USA; Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA.
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Yeh CH, Bellon M, Wang F, Zhang H, Fu L, Nicot C. Loss of FBXW7-mediated degradation of BRAF elicits resistance to BET inhibitors in adult T cell leukemia cells. Mol Cancer 2020; 19:139. [PMID: 32907612 PMCID: PMC7487643 DOI: 10.1186/s12943-020-01254-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 08/24/2020] [Indexed: 12/21/2022] Open
Abstract
Background Human T cell leukemia virus type 1 (HTLV-1)-associated adult T cell leukemia (ATL) has a very poor prognosis with a median survival of 8 months and a 4-year overall survival of 11% for acute ATL. Present treatment options are limited and there is no curative therapy for ATL. Ubiquitin ligase FBXW7 is commonly mutated or functionally inactivated in human cancers. Consistent with the notion that FBXW7 controls the degradation of many oncoproteins, loss of FBXW7 has been linked to increased drug resistance or sensitivity in cancer cells. Method In this study, we have characterized FBXW7 mutants previously identified in HTLV-I-infected ATL patient samples. TET-inducible ATL cells carrying wild type or mutated FBXW7 were analyzed for target degradation and for drug sensitivity. Results Our results demonstrate that mutations in FBXW7 can selectively disrupt ubiquitination and proteasome degradation of target proteins: c-MYC, cyclin E and MCL1. Both c-MYC and MYCN were highly expressed in uncultured ATL patient’s samples and ATL-derived cell lines; and ATL cells demonstrated sensitivity to BET inhibitors in vitro and in vivo. High-throughput reverse phase protein array revealed BRAF as a novel target of FBXW7 and further experiments showed that mutations in FBXW7 preventing degradation of BRAF provided resistance to BET inhibitors. In contrast to R465, hot spot FBXW7 mutations at R505C retained degradation of BRAF but not NOTCH1, c-MYC, cyclin E, or MCL1. Finally, a combination therapy using BET inhibitors along with a BRAF or an ERK inhibitor prevented tumor cell resistance and growth. Conclusion Our results suggest that FBXW7 status may play an important role in drug therapy resistance of cancer cells. Genetic characterization of FBXW7 may be one factor included in future personalized cancer treatment identification.
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Affiliation(s)
- Chien-Hung Yeh
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA
| | - Marcia Bellon
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA
| | - Fang Wang
- State Key Laboratory of Oncology in South China, Guangdong Esophageal Cancer Institute, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Hong Zhang
- State Key Laboratory of Oncology in South China, Guangdong Esophageal Cancer Institute, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Liwu Fu
- State Key Laboratory of Oncology in South China, Guangdong Esophageal Cancer Institute, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Christophe Nicot
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA.
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Celebi G, Kesim H, Ozer E, Kutlu O. The Effect of Dysfunctional Ubiquitin Enzymes in the Pathogenesis of Most Common Diseases. Int J Mol Sci 2020; 21:ijms21176335. [PMID: 32882786 PMCID: PMC7503467 DOI: 10.3390/ijms21176335] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/17/2020] [Accepted: 07/18/2020] [Indexed: 12/14/2022] Open
Abstract
Ubiquitination is a multi-step enzymatic process that involves the marking of a substrate protein by bonding a ubiquitin and protein for proteolytic degradation mainly via the ubiquitin–proteasome system (UPS). The process is regulated by three main types of enzymes, namely ubiquitin-activating enzymes (E1), ubiquitin-conjugating enzymes (E2), and ubiquitin ligases (E3). Under physiological conditions, ubiquitination is highly reversible reaction, and deubiquitinases or deubiquitinating enzymes (DUBs) can reverse the effect of E3 ligases by the removal of ubiquitin from substrate proteins, thus maintaining the protein quality control and homeostasis in the cell. The dysfunction or dysregulation of these multi-step reactions is closely related to pathogenic conditions; therefore, understanding the role of ubiquitination in diseases is highly valuable for therapeutic approaches. In this review, we first provide an overview of the molecular mechanism of ubiquitination and UPS; then, we attempt to summarize the most common diseases affecting the dysfunction or dysregulation of these mechanisms.
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Affiliation(s)
- Gizem Celebi
- Faculty of Engineering and Natural Sciences, Molecular Biology, Genetics, and Bioengineering Program, Sabanci University, Istanbul 34956, Turkey; (G.C.); (H.K.); (E.O.)
| | - Hale Kesim
- Faculty of Engineering and Natural Sciences, Molecular Biology, Genetics, and Bioengineering Program, Sabanci University, Istanbul 34956, Turkey; (G.C.); (H.K.); (E.O.)
| | - Ebru Ozer
- Faculty of Engineering and Natural Sciences, Molecular Biology, Genetics, and Bioengineering Program, Sabanci University, Istanbul 34956, Turkey; (G.C.); (H.K.); (E.O.)
| | - Ozlem Kutlu
- Sabanci University Nanotechnology Research and Application Center (SUNUM), Istanbul 34956, Turkey
- Center of Excellence for Functional Surfaces and Interfaces for Nano Diagnostics (EFSUN), Sabanci University, Istanbul 34956, Turkey
- Correspondence: ; Tel.: +90-216-483-9000 (ext. 2413)
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The Ubiquitin Proteasome System in Hematological Malignancies: New Insight into Its Functional Role and Therapeutic Options. Cancers (Basel) 2020; 12:cancers12071898. [PMID: 32674429 PMCID: PMC7409207 DOI: 10.3390/cancers12071898] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 07/08/2020] [Accepted: 07/11/2020] [Indexed: 02/07/2023] Open
Abstract
The ubiquitin proteasome system (UPS) is the main cellular degradation machinery designed for controlling turnover of critical proteins involved in cancer pathogenesis, including hematological malignancies. UPS plays a functional role in regulating turnover of key proteins involved in cell cycle arrest, apoptosis and terminal differentiation. When deregulated, it leads to several disorders, including cancer. Several studies indicate that, in some subtypes of human hematological neoplasms such as multiple myeloma and Burkitt’s lymphoma, abnormalities in the UPS made it an attractive therapeutic target due to pro-cancer activity. In this review, we discuss the aberrant role of UPS evaluating its impact in hematological malignancies. Finally, we also review the most promising therapeutic approaches to target UPS as powerful strategies to improve treatment of blood cancers.
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Aref S, Rizk R, El Agdar M, Fakhry W, El Zafrany M, Sabry M. NOTCH-1 Gene Mutations Influence Survival in Acute Myeloid Leukemia Patients. Asian Pac J Cancer Prev 2020; 21:1987-1992. [PMID: 32711424 PMCID: PMC7573420 DOI: 10.31557/apjcp.2020.21.7.1987] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Accepted: 07/23/2020] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Although NOTCH-1 gene mutations were reported to contributes to leukemogenesis in lymphocytic leukemias, its role in acute myeloid leukemia (AML) remains unclear. Therefor; this study was designed to determine the prevalence and clinical impact of NOTCH-1 mutations in AML patients. MATERIALS AND METHODS In the current study, NOTCH-1 gene mutations were identified in Bone Marrow samples obtained from fifty primary AML patients before start of therapy using Sanger sequencing. RESULTS NOTCH-1 gene mutations were detected in 6 out of 50 AML cases (12%). The three mutations were (two mutations C7318A in the Pest domain exon 34); (another 2 in the Pest domain Del 7,344, ins C7349, G7356A and the last ones in the HD-N exon-26 (Del A4609). The clinical findings in the mutant AML (mu AML) patients did not significantly different as compared to the un mutated (unmut) AML patients. There is significant association between CD7 aberrant expression and NOTCH-1 mutations. The complete remission was significantly higher in unmut AML cases as compared to mut AML ones (P=0.024). Multivariate (Age; Gender; Bone Marrow Blast cells; NOTCH-1 mutations) Cox regression analysis revealed that NOTCH-1 mutation is an independent risk factor for AML overall survival (P<0.001). The OS in unmut AML group (21.2 months) was significantly longer as compared to mut AML one (1.2 months) (P<0.001). CONCLUSION Our data indicate that NOTCH-1 gene mutations were detected in 12% of AML patients. These mutations displayed bad clinical outcome on AML patients. Therapeutic targeting of NOTCH-1 could be a potentially effective approach to combat master oncogenic drivers in AML.
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Affiliation(s)
- Salah Aref
- Hematology Unit, Clinical Pathology Department, Mansoura University Faculty of Medicine, Mansoura, Egypt.
| | - Rasha Rizk
- Hematology Unit, Clinical Pathology Department, Mansoura University Faculty of Medicine, Mansoura, Egypt.
| | - Mohamed El Agdar
- Hematology Unit, Clinical Pathology Department, Mansoura University Faculty of Medicine, Mansoura, Egypt.
| | - Wafaa Fakhry
- Hematology Unit, Clinical Pathology Department, Mansoura University Faculty of Medicine, Mansoura, Egypt.
| | - Maha El Zafrany
- Medical Oncology Unit, Mansoura University Oncology Center, Mansoura University, Egypt.
| | - Mohamed Sabry
- Hematology Unit, Clinical Pathology Department, Mansoura University Faculty of Medicine, Mansoura, Egypt.
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Surface charge of Merkel cell polyomavirus small T antigen determines cell transformation through allosteric FBW7 WD40 domain targeting. Oncogenesis 2020; 9:53. [PMID: 32427880 PMCID: PMC7237485 DOI: 10.1038/s41389-020-0235-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 04/27/2020] [Accepted: 04/29/2020] [Indexed: 12/20/2022] Open
Abstract
Merkel cell polyomavirus (MCV) small T (sT) is the main oncoprotein in Merkel cell carcinoma (MCC) development. A unique domain of sT, LT stabilization domain (LSD), has been reported to bind and inactivate multiple SCF (Skp1-Cullin-F-box) E3 ligases. These interactions impede the turnover of MCV large T (LT) antigen and cellular oncoproteins such as c-Myc and cyclin E, thereby promoting viral replication and cell transformation. However, it is currently unclear how this LSD region contributes to multiple transforming activities of sT. Structural docking simulation of sT and F-box and WD repeat domain-containing 7 (FBW7) revealed a novel allosteric interaction between sT and FBW7 WD40 domain. This model is supported by experimental evidence confirming that charge engineering in the LSD alters sT-WD40 binding. Specifically, loss of net positive charge in the LSD prevents sT-FBW7 binding by abrogating the electrostatic interaction, thus impeding inhibition of FBW7 by sT. Furthermore, positively charged mutations in the LSD significantly restored the sT function and its ability to transform rodent fibroblast cells. We infer that the surface charge of sT is a major determinant for targeting E3 ligases, which leads to sT-induced cell transformation, an observation that could be used to develop targeted therapeutics for MCC.
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Liu L, Jiang H, Wang X, Wang X, Zou L. STYX/FBXW7 axis participates in the development of endometrial cancer cell via Notch-mTOR signaling pathway. Biosci Rep 2020; 40:BSR20200057. [PMID: 32239181 PMCID: PMC7167255 DOI: 10.1042/bsr20200057] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 03/25/2020] [Accepted: 03/26/2020] [Indexed: 12/11/2022] Open
Abstract
Endometrial cancer (EC) is the most common gynecologic malignancy in world. It has been reported that the mutation rate of FBXW7 is frequent in EC, but the specific functions of FBXW7 remain unknown in EC. In the present study, we revealed the role and mechanism of FBXW7 in EC cells. Compared with adjacent nontumor tissues, the FBXW7 expression level was lower in EC tissues. However, the level of STYX was in contrast with the expression of FBXW7 in EC tissues. And STYX interacted with FBXW7 and then down-regulated its expression level in EC. Over-expression of FBXW7 inhibited cell proliferation and facilitated apoptosis in EC cells, whereas silencing FBXW7 acted an opposite effect on EC cells. And the process of FBXW7 participated the proliferation and apoptosis in EC was regulated by STYX. FBXW7 suppressed the expression of Notch pathway related protein, and further inhibited the phosphorylation of mTOR. In addition, we also found that mTOR activitor (MHY1485) and Notch activator (Jagged-1) reversed the effect of over-expressing FBXW7 on cell proliferation and cell apoptosis. And Notch inhibitor (DAPT) counteracted the impact of over-expressing STYX on cell proliferation and cell apoptosis. Collectively, the present study verified that STYX inhibited the expression level of FBXW7 in EC, and then promoted cell proliferation but suppressed apoptosis through Notch-mTOR signaling pathway, which promoted carcinogenesis and progression of EC.
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Affiliation(s)
- Liheng Liu
- Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
| | - Haili Jiang
- Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
| | - Xiaoxin Wang
- Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
| | - Xin Wang
- Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
| | - Liying Zou
- Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
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Saffie R, Zhou N, Rolland D, Önder Ö, Basrur V, Campbell S, Wellen KE, Elenitoba-Johnson KSJ, Capell BC, Busino L. FBXW7 Triggers Degradation of KMT2D to Favor Growth of Diffuse Large B-cell Lymphoma Cells. Cancer Res 2020; 80:2498-2511. [PMID: 32350066 DOI: 10.1158/0008-5472.can-19-2247] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 02/25/2020] [Accepted: 04/21/2020] [Indexed: 02/07/2023]
Abstract
Mature B-cell neoplasms are the fifth most common neoplasm. Due to significant heterogeneity at the clinical and genetic levels, current therapies for these cancers fail to provide long-term cures. The clinical success of proteasome inhibition for the treatment of multiple myeloma and B-cell lymphomas has made the ubiquitin pathway an important emerging therapeutic target. In this study, we assessed the role of the E3 ligase FBXW7 in mature B-cell neoplasms. FBXW7 targeted the frequently inactivated tumor suppressor KMT2D for protein degradation, subsequently regulating gene expression signatures related to oxidative phosphorylation (OxPhos). Loss of FBXW7 inhibited diffuse large B-cell lymphoma cell growth and further sensitized cells to OxPhos inhibition. These data elucidate a novel mechanism of regulation of KMT2D levels by the ubiquitin pathway and uncover a role of FBXW7 in regulating oxidative phosphorylation in B-cell malignancies. SIGNIFICANCE: These findings characterize FBXW7 as a prosurvival factor in B-cell lymphoma via degradation of the chromatin modifier KMT2D.
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Affiliation(s)
- Rizwan Saffie
- Department of Cancer Biology and Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Nan Zhou
- Department of Cancer Biology and Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Delphine Rolland
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Özlem Önder
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Venkatesha Basrur
- Department of Pathology and Clinical Laboratories, University of Michigan, Ann Arbor, Michigan
| | - Sydney Campbell
- Department of Cancer Biology and Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Kathryn E Wellen
- Department of Cancer Biology and Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Kojo S J Elenitoba-Johnson
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Brian C Capell
- Penn Epigenetics Institute, Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania.,Department of Dermatology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Luca Busino
- Department of Cancer Biology and Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
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Galindo-Moreno M, Giráldez S, Limón-Mortés MC, Belmonte-Fernández A, Sáez C, Japón MÁ, Tortolero M, Romero F. p53 and FBXW7: Sometimes Two Guardians Are Worse than One. Cancers (Basel) 2020; 12:cancers12040985. [PMID: 32316282 PMCID: PMC7225930 DOI: 10.3390/cancers12040985] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 04/10/2020] [Accepted: 04/13/2020] [Indexed: 12/01/2022] Open
Abstract
Too much of a good thing can become a bad thing. An example is FBXW7, a well-known tumor suppressor that may also contribute to tumorigenesis. Here, we reflect on the results of three laboratories describing the role of FBXW7 in the degradation of p53 and the possible implications of this finding in tumor cell development. We also speculate about the function of FBXW7 as a key player in the cell fate after DNA damage and how this could be exploited in the treatment of cancer disease.
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Affiliation(s)
- María Galindo-Moreno
- Departamento de Microbiología, Facultad de Biología, Universidad de Sevilla, E-41012 Sevilla, Spain; (M.G.-M.); (S.G.); (M.C.L.-M.); (A.B.-F.); (M.T.)
| | - Servando Giráldez
- Departamento de Microbiología, Facultad de Biología, Universidad de Sevilla, E-41012 Sevilla, Spain; (M.G.-M.); (S.G.); (M.C.L.-M.); (A.B.-F.); (M.T.)
| | - M. Cristina Limón-Mortés
- Departamento de Microbiología, Facultad de Biología, Universidad de Sevilla, E-41012 Sevilla, Spain; (M.G.-M.); (S.G.); (M.C.L.-M.); (A.B.-F.); (M.T.)
| | - Alejandro Belmonte-Fernández
- Departamento de Microbiología, Facultad de Biología, Universidad de Sevilla, E-41012 Sevilla, Spain; (M.G.-M.); (S.G.); (M.C.L.-M.); (A.B.-F.); (M.T.)
| | - Carmen Sáez
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, E-41013 Sevilla, Spain; (C.S.); (M.Á.J.)
- Departamento de Anatomía Patológica, Hospital Universitario Virgen del Rocío, E-41013 Sevilla, Spain
| | - Miguel Á. Japón
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, E-41013 Sevilla, Spain; (C.S.); (M.Á.J.)
- Departamento de Anatomía Patológica, Hospital Universitario Virgen del Rocío, E-41013 Sevilla, Spain
| | - Maria Tortolero
- Departamento de Microbiología, Facultad de Biología, Universidad de Sevilla, E-41012 Sevilla, Spain; (M.G.-M.); (S.G.); (M.C.L.-M.); (A.B.-F.); (M.T.)
| | - Francisco Romero
- Departamento de Microbiología, Facultad de Biología, Universidad de Sevilla, E-41012 Sevilla, Spain; (M.G.-M.); (S.G.); (M.C.L.-M.); (A.B.-F.); (M.T.)
- Correspondence: ; Tel.: +34-954557119
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Prieto‐Garcia C, Hartmann O, Reissland M, Braun F, Fischer T, Walz S, Schülein‐Völk C, Eilers U, Ade CP, Calzado MA, Orian A, Maric HM, Münch C, Rosenfeldt M, Eilers M, Diefenbacher ME. Maintaining protein stability of ∆Np63 via USP28 is required by squamous cancer cells. EMBO Mol Med 2020; 12:e11101. [PMID: 32128997 PMCID: PMC7136964 DOI: 10.15252/emmm.201911101] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 02/05/2020] [Accepted: 02/05/2020] [Indexed: 12/27/2022] Open
Abstract
The transcription factor ∆Np63 is a master regulator of epithelial cell identity and essential for the survival of squamous cell carcinoma (SCC) of lung, head and neck, oesophagus, cervix and skin. Here, we report that the deubiquitylase USP28 stabilizes ∆Np63 and maintains elevated ∆NP63 levels in SCC by counteracting its proteasome-mediated degradation. Impaired USP28 activity, either genetically or pharmacologically, abrogates the transcriptional identity and suppresses growth and survival of human SCC cells. CRISPR/Cas9-engineered in vivo mouse models establish that endogenous USP28 is strictly required for both induction and maintenance of lung SCC. Our data strongly suggest that targeting ∆Np63 abundance via inhibition of USP28 is a promising strategy for the treatment of SCC tumours.
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Affiliation(s)
- Cristian Prieto‐Garcia
- Department of Biochemistry and Molecular BiologyProtein Stability and Cancer GroupUniversity of WürzburgWürzburgGermany
- Comprehensive Cancer Centre MainfrankenWürzburgGermany
| | - Oliver Hartmann
- Department of Biochemistry and Molecular BiologyProtein Stability and Cancer GroupUniversity of WürzburgWürzburgGermany
- Comprehensive Cancer Centre MainfrankenWürzburgGermany
| | - Michaela Reissland
- Department of Biochemistry and Molecular BiologyProtein Stability and Cancer GroupUniversity of WürzburgWürzburgGermany
- Comprehensive Cancer Centre MainfrankenWürzburgGermany
| | - Fabian Braun
- Department of Biochemistry and Molecular BiologyProtein Stability and Cancer GroupUniversity of WürzburgWürzburgGermany
- Comprehensive Cancer Centre MainfrankenWürzburgGermany
| | - Thomas Fischer
- Department of Biochemistry and Molecular BiologyProtein Stability and Cancer GroupUniversity of WürzburgWürzburgGermany
- Department for RadiotherapyUniversity Hospital WürzburgWürzburgGermany
| | - Susanne Walz
- Core Unit BioinformaticsComprehensive Cancer Centre MainfrankenUniversity of WürzburgWürzburgGermany
| | | | - Ursula Eilers
- Core Unit High‐Content MicroscopyBiocenterUniversity of WürzburgWürzburgGermany
| | - Carsten P Ade
- Comprehensive Cancer Centre MainfrankenWürzburgGermany
- Department of Biochemistry and Molecular BiologyUniversity of WürzburgWürzburgGermany
| | - Marco A Calzado
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)CórdobaSpain
- Departamento de Biología Celular, Fisiología e InmunologíaUniversidad de CórdobaCórdobaSpain
- Hospital Universitario Reina SofíaCórdobaSpain
| | - Amir Orian
- Faculty of MedicineTICCTechnion HaifaIsrael
| | - Hans M Maric
- Rudolf‐Virchow‐Center for Experimental BiomedicineWürzburgGermany
| | - Christian Münch
- Institute of Biochemistry IIGoethe UniversityFrankfurtGermany
| | - Mathias Rosenfeldt
- Comprehensive Cancer Centre MainfrankenWürzburgGermany
- Institute for PathologyUniversity of WürzburgWürzburgGermany
| | - Martin Eilers
- Comprehensive Cancer Centre MainfrankenWürzburgGermany
- Department of Biochemistry and Molecular BiologyUniversity of WürzburgWürzburgGermany
| | - Markus E Diefenbacher
- Department of Biochemistry and Molecular BiologyProtein Stability and Cancer GroupUniversity of WürzburgWürzburgGermany
- Comprehensive Cancer Centre MainfrankenWürzburgGermany
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43
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Douglas JK, Callahan RE, Hothem ZA, Cousineau CS, Kawak S, Thibodeau BJ, Bergeron S, Li W, Peeples CE, Wasvary HJ. Genomic variation as a marker of response to neoadjuvant therapy in locally advanced rectal cancer. Mol Cell Oncol 2020; 7:1716618. [PMID: 32391418 PMCID: PMC7199754 DOI: 10.1080/23723556.2020.1716618] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 01/08/2020] [Accepted: 01/13/2020] [Indexed: 02/07/2023]
Abstract
There is variation in the responsiveness of locally advanced rectal cancer to neoadjuvant chemoradiation, from complete response to total resistance. This study compared genetic variation in rectal cancer patients who had a complete response to chemoradiation versus poor response, using tumor tissue samples sequenced with genomics analysis software. Rectal cancer patients treated with chemoradiation and proctectomy June 2006-March 2017 were grouped based on response to chemoradiation: those with no residual tumor after surgery (CR, complete responders, AJCC-CPR tumor grade 0, n = 8), and those with poor response (PR, AJCC-CPR tumor grade two or three on surgical resection, n = 8). We identified 195 variants in 83 genes in tissue specimens implicated in colorectal cancer biopathways. PR patients showed mutations in four genes not mutated in complete responders: KDM6A, ABL1, DAXX-ZBTB22, and KRAS. Ten genes were mutated only in the CR group, including ARID1A, PMS2, JAK1, CREBBP, MTOR, RB1, PRKAR1A, FBXW7, ATM C11orf65, and KMT2D, with specific discriminating variants noted in DMNT3A, KDM6A, MTOR, APC, and TP53. Although conclusions may be limited by small sample size in this pilot study, we identified multiple genetic variations in tumor DNA from rectal cancer patients who are poor responders to neoadjuvant chemoradiation, compared to complete responders.
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Affiliation(s)
| | - Rose E. Callahan
- Department of Surgical Research, Beaumont Research Institute, Royal Oak, MI, USA
| | | | | | - Samer Kawak
- Department of Surgery, Beaumont Health, Royal Oak, MI, USA
| | | | | | - Wei Li
- Department of Pathology, Beaumont Health, Royal Oak, MI, USA
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44
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Han Q, Zhang Q, Song H, Bamme Y, Song C, Ge Z. FBXW4 Is Highly Expressed and Associated With Poor Survival in Acute Myeloid Leukemia. Front Oncol 2020; 10:149. [PMID: 32175272 PMCID: PMC7056870 DOI: 10.3389/fonc.2020.00149] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 01/28/2020] [Indexed: 12/12/2022] Open
Abstract
The F-box and WD repeat domain-containing (FBXW) proteins play an important role in ubiquitin proteasome by inducing protein degradation. Ten FBXW proteins have been identified in humans. The functions of FBXW proteins, like FBXW7, have been well-established in many human cancers. However, little is known about their transcriptional expression profiles and relationship with prognosis in acute myeloid leukemia (AML). Here we investigated the roles of FBXW proteins in AML by analyzing their mRNA expression profiles and association with clinical features using data from EMBL-EBI, the Cancer Cell Line Encyclopedia, Gene Expression Profiling Interactive Analysis, and cBioPortal databases. Our results showed that the mRNA level of FBXW proteins were highly detected by microarray in 14 AML cell lines, although there were no obvious differences. The expression of FBXW4 was significantly higher in AML patients compared with that in normal controls (P < 0.01). Patients whose age was ≥60 years old had a higher FBXW4 expression when compared with those who were <60 years old (P < 0.05). Cytogenetic favorable-risk group patients had a much lower FBXW4 expression than the intermediate- and poor-risk group patients (P < 0.0001). Moreover, patients with high FBXW4 expression exhibited significantly shorter event-free survival (EFS) and overall survival (OS) than those with low FBXW4 expression (median EFS: 5.3 vs. 10.0 months, P = 0.025; median OS: 8.1 vs. 19.0 months, P= 0.015). A multivariate analysis indicated that high FBXW4 expression was an independent risk factor for poor EFS in AML patients who received intensive chemotherapy followed by allo-SCT. In summary, our data suggested that FBXW4 is aberrantly expressed in AML and high FBXW4 expression might be a poor prognostic biomarker; future functional and mechanistic studies will further illuminate the roles of FBXW4 in AML.
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Affiliation(s)
- Qi Han
- Department of Hematology, Zhongda Hospital, School of Medicine, Southeast University, Institute of Hematology Southeast University, Nanjing, China.,International Cooperative Leukemia Group and International Cooperative Laboratory of Hematology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Qi Zhang
- Department of Hematology, Zhongda Hospital, School of Medicine, Southeast University, Institute of Hematology Southeast University, Nanjing, China.,International Cooperative Leukemia Group and International Cooperative Laboratory of Hematology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Huihui Song
- Department of Hematology, Zhongda Hospital, School of Medicine, Southeast University, Institute of Hematology Southeast University, Nanjing, China.,International Cooperative Leukemia Group and International Cooperative Laboratory of Hematology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Yevgeniya Bamme
- Department of Pediatrics, Pennsylvania State University Medical College, Hershey, PA, United States
| | - Chunhua Song
- International Cooperative Leukemia Group and International Cooperative Laboratory of Hematology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,Department of Pediatrics, Pennsylvania State University Medical College, Hershey, PA, United States
| | - Zheng Ge
- Department of Hematology, Zhongda Hospital, School of Medicine, Southeast University, Institute of Hematology Southeast University, Nanjing, China.,International Cooperative Leukemia Group and International Cooperative Laboratory of Hematology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
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45
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Zhu Q, Hu L, Guo Y, Xiao Z, Xu Q, Tong X. FBW7 in hematological tumors. Oncol Lett 2020; 19:1657-1664. [PMID: 32194657 PMCID: PMC7039162 DOI: 10.3892/ol.2020.11264] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 11/08/2019] [Indexed: 12/17/2022] Open
Abstract
F-box and WD repeat domain-containing protein 7 (FBW7), also known as FBXW7, AGO or hCDC4, is an F-box protein with seven tandem WD40 repeats. FBW7 is a key substrate recognition subunit of the Skp1-Cul1-F-box-protein E3 ubiquitin ligase. FBW7 targets for ubiquitination and destruction of numerous crucial transcription factors and protooncogenes, including cyclin E, c-Myc, c-Jun, Notch and MCL-1. FBW7 is a well-characterized tumor suppressor, and its gene is frequently mutated or deleted in various types of human cancer, including colorectal cancer, gastric cancer, ovarian cancer and different types of leukemia. Accumulating evidence indicates that the aberrant expression of FBW7 is involved in the development of hematological tumors, including T cell acute lymphoblastic leukemia, adult T cell leukemia/lymphoma, chronic lymphocytic leukemia and multiple myeloma. The present review will describe the latest findings on the role of FBW7 in hematological tumors, in order to identify a novel target for future therapies.
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Affiliation(s)
- Qiaojuan Zhu
- The Second Clinical Medical Department, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310014, P.R. China
| | - Linjun Hu
- Medical Department, Qingdao University, Qingdao, Shandong 266071, P.R. China
| | - Yang Guo
- Graduate Department, Bengbu Medical College, Bengbu, Anhui 233030, P.R. China
| | - Zunqiang Xiao
- The Second Clinical Medical Department, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310014, P.R. China
| | - Qiuran Xu
- Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, Zhejiang 310014, P.R. China
| | - Xiangmin Tong
- Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, Zhejiang 310014, P.R. China
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46
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Shanmugam V, Kim AS. Lymphomas. Genomic Med 2020. [DOI: 10.1007/978-3-030-22922-1_16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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47
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Flavone inhibited proliferation of T-ALL by promoting c-Cbl-induced ubiquitinylation and degradation of Notch1. Biochem Biophys Res Commun 2019; 522:684-689. [PMID: 31785807 DOI: 10.1016/j.bbrc.2019.11.148] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 11/22/2019] [Indexed: 01/05/2023]
Abstract
Aberrant activation of Notch1 signaling frequently occurs in T-cell acute lymphoblastic leukemia (T-ALL). Notch1 activation causes release of intracellular Notch1 (ICN1, the activated form of Notch1) from cell membrane to cytoplasm. As a transcription factor, ICN1 must be transferred into nucleus and bind to the promoters of its downstream target genes. E3 ubiquitin ligase induces ICN1 degradation in cytoplasm, which blocks ICN1 transfer into the nucleus. Flavone is a natural plant polyphenol, demonstrated to have anti-cancer effects in vitro and in vivo in breast and colon cancers. However, the effects of flavone on leukemia have not been reported. In this study, we demonstrated that flavone inhibited cell proliferation by down-regulating Notch1 signal pathway in CCRF-CEM and Molt-4 T-ALL cells. Flavone-mediated upregulation of c-Cbl level results in the increase in its interaction with ICN1, further caused ICN1 ubiquitinylation and degradation. Knockdown of c-Cbl reversed flavone-induced down-regulation of ICN1 and inhibition of cell proliferation in T-ALL cells. In short, this study indicated that flavone exerted resistance to T-ALL by promoting c-Cbl-induced ubiquitinylation and degradation of ICN1.
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48
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Rauch DA, Conlon KC, Janakiram M, Brammer JE, Harding JC, Ye BH, Zang X, Ren X, Olson S, Cheng X, Miljkovic MD, Sundaramoorthi H, Joseph A, Skidmore ZL, Griffith O, Griffith M, Waldmann TA, Ratner L. Rapid progression of adult T-cell leukemia/lymphoma as tumor-infiltrating Tregs after PD-1 blockade. Blood 2019; 134:1406-1414. [PMID: 31467059 PMCID: PMC6839957 DOI: 10.1182/blood.2019002038] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 08/07/2019] [Indexed: 12/16/2022] Open
Abstract
Immune checkpoint inhibitors are a powerful new tool in the treatment of cancer, with prolonged responses in multiple diseases, including hematologic malignancies, such as Hodgkin lymphoma. However, in a recent report, we demonstrated that the PD-1 inhibitor nivolumab led to rapid progression in patients with adult T-cell leukemia/lymphoma (ATLL) (NCT02631746). We obtained primary cells from these patients to determine the cause of this hyperprogression. Analyses of clonality, somatic mutations, and gene expression in the malignant cells confirmed the report of rapid clonal expansion after PD-1 blockade in these patients, revealed a previously unappreciated origin of these malignant cells, identified a novel connection between ATLL cells and tumor-resident regulatory T cells (Tregs), and exposed a tumor-suppressive role for PD-1 in ATLL. Identifying the mechanisms driving this alarming outcome in nivolumab-treated ATLL may be broadly informative for the growing problem of rapid progression with immune checkpoint therapies.
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Affiliation(s)
- Daniel A Rauch
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Kevin C Conlon
- Lymphoid Malignancies Branch, National Institutes of Health, Bethesda, MD
| | - Murali Janakiram
- Department of Medicine, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY
| | - Jonathan E Brammer
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH; and
| | - John C Harding
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | | | - Xingxing Zang
- Department of Medicine, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY
- Department of Microbiology and Immunology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY
| | - Xiaoxin Ren
- Department of Microbiology and Immunology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY
| | - Sydney Olson
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Xiaogang Cheng
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Milos D Miljkovic
- Lymphoid Malignancies Branch, National Institutes of Health, Bethesda, MD
| | - Hemalatha Sundaramoorthi
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Ancy Joseph
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Zachary L Skidmore
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Obi Griffith
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Malachi Griffith
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Thomas A Waldmann
- Lymphoid Malignancies Branch, National Institutes of Health, Bethesda, MD
| | - Lee Ratner
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO
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49
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Antfolk D, Antila C, Kemppainen K, Landor SKJ, Sahlgren C. Decoding the PTM-switchboard of Notch. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2019; 1866:118507. [PMID: 31301363 PMCID: PMC7116576 DOI: 10.1016/j.bbamcr.2019.07.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 07/03/2019] [Accepted: 07/06/2019] [Indexed: 01/08/2023]
Abstract
The developmentally indispensable Notch pathway exhibits a high grade of pleiotropism in its biological output. Emerging evidence supports the notion of post-translational modifications (PTMs) as a modus operandi controlling dynamic fine-tuning of Notch activity. Although, the intricacy of Notch post-translational regulation, as well as how these modifications lead to multiples of divergent Notch phenotypes is still largely unknown, numerous studies show a correlation between the site of modification and the output. These include glycosylation of the extracellular domain of Notch modulating ligand binding, and phosphorylation of the PEST domain controlling half-life of the intracellular domain of Notch. Furthermore, several reports show that multiple PTMs can act in concert, or compete for the same sites to drive opposite outputs. However, further investigation of the complex PTM crosstalk is required for a complete understanding of the PTM-mediated Notch switchboard. In this review, we aim to provide a consistent and up-to-date summary of the currently known PTMs acting on the Notch signaling pathway, their functions in different contexts, as well as explore their implications in physiology and disease. Furthermore, we give an overview of the present state of PTM research methodology, and allude to a future with PTM-targeted Notch therapeutics.
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Affiliation(s)
- Daniel Antfolk
- Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, Turku, Finland
| | - Christian Antila
- Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, Turku, Finland
| | - Kati Kemppainen
- Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, Turku, Finland
| | - Sebastian K-J Landor
- Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, Turku, Finland.
| | - Cecilia Sahlgren
- Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, Turku, Finland; Department of Biomedical Engineering, Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, the Netherlands.
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50
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Motomura T, Yoshizumi T, Kosai-Fujimoto Y, Mano Y, Toshima T, Takeishi K, Itoh S, Harada N, Ikegami T, Soejima Y, Yoshimoto G, Akashi K, Mori M. Adult T-Cell Leukemia After Deceased Donor Liver Transplantation for Acute Liver Failure: A Case Report. Transplant Proc 2019; 51:1978-1981. [PMID: 31303413 DOI: 10.1016/j.transproceed.2019.03.031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 03/23/2019] [Indexed: 10/26/2022]
Abstract
Human T-cell leukemia virus type 1 (HTLV-1) causes adult T-cell leukemia (ATL); however, the mechanism of its development has yet to be uncovered. A few ATL cases have been reported in HTLV-1-positive recipients after living donor liver transplantation. A 57-year-old HTLV-1-positive Japanese male suffered acute liver failure due to hepatitis B infection. He was transferred to our department to undergo deceased donor liver transplantation (DDLT). Tacrolimus and mycophenolate mofetil were induced for immunosuppression. His clinical outcome was satisfactory. However, he visited his physician 3 years after DDLT reporting abdominal pain and fever. A computed tomography scan showed multiple lymph node enlargement. Lymph node biopsy and his blood sample led to a diagnosis of ATL. He was transferred to the Department of Hematology and Oncology and underwent chemotherapy. To our knowledge, this is the first report of ATL development after DDLT from an HTLV-1-positive recipient. As is the case with our previous report, the current patient had undergone liver transplant for acute liver failure. Unlike living donor liver transplantation, however, DDLT needs no hepatic growth factor for liver regeneration. This finding sheds light on the resolution of the mechanism for the development of ATL from the HTLV-1 carrier.
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Affiliation(s)
- Takashi Motomura
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
| | - Tomoharu Yoshizumi
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yukiko Kosai-Fujimoto
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yohei Mano
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Takeo Toshima
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kazuki Takeishi
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shinji Itoh
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Noboru Harada
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Toru Ikegami
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yuji Soejima
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Goichi Yoshimoto
- Department of Medicine and Biosystemic Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Koichi Akashi
- Department of Medicine and Biosystemic Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masaki Mori
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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