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Li Y, Sun H, Bai C, Hu Y, Tang J, Zhang Y, Chen J, Zhong Z, He Y, Hu K, Yang J. Dihydroartemisinin inhibits tumor progress via blocking ROR1-induced STAT3-activation in non-small cell lung cancer. Int Immunopharmacol 2024; 133:112157. [PMID: 38678671 DOI: 10.1016/j.intimp.2024.112157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 04/22/2024] [Accepted: 04/23/2024] [Indexed: 05/01/2024]
Abstract
In non-small cell lung cancer (NSCLC), identifying a component with certain molecular targets can aid research on cancer treatment. Dihydroartemisinin (DHA) is a semisynthetic derivative of artemisinin which induced the anti-cancer effects via the STAT3 signaling pathway, but the underlying molecular mechanism is still elusive. In this study, we first proved that DHA prohibits the growth of tumors both in vitro and in vivo. Data from transcriptomics showed that DHA reduced the expression level of the genes involved in cell cycle-promoting and anti-apoptosis, and most importantly, DHA restricted the expression level of receptor tyrosine kinase-like orphan receptor 1 (ROR1) which has been reported to have abnormal expression on tumor cells and had close interaction with STAT3 signaling. Then, we performed comprehensive experiments and found that DHA remarkably decreased the expression of ROR1 at both mRNA and protein levels and it also diminished the phosphorylation level of STAT3 in NSCLC cell lines. In addition, our data showed that exogenously introduced ROR1 could significantly enhance the phosphorylation of STAT3 while blocking ROR1 had the opposite effects indicating that ROR1 plays a critical role in promoting the activity of STAT3 signaling. Finally, we found that ROR1 overexpression could partially reverse the decreased activity of STAT3 induced by DHA which indicates that DHA-induced anti-growth signaling is conferred, at least in part, through blocking ROR1-mediated STAT3 activation. In summary, our study indicates that in NSCLC, ROR1 could be one of the critical molecular targets mediating DHA-induced STAT3 retardation.
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Affiliation(s)
- Yanping Li
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, China.
| | - Haoyi Sun
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, China.
| | - Caihong Bai
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, China.
| | - Youfan Hu
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, China.
| | - Jingyi Tang
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, China.
| | - Yuxi Zhang
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, China.
| | - Jilan Chen
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, China.
| | - Zhanqiong Zhong
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, China.
| | - Yuping He
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, China.
| | - Kaifeng Hu
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, China.
| | - Jiahui Yang
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, China.
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2
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Wu ZL, Wang Y, Jia XY, Wang YG, Wang H. Receptor tyrosine kinase-like orphan receptor 1: A novel antitumor target in gastrointestinal cancers. World J Clin Oncol 2024; 15:603-613. [DOI: 10.5306/wjco.v15.i5.603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 03/20/2024] [Accepted: 04/17/2024] [Indexed: 05/21/2024] Open
Abstract
Receptor tyrosine kinase-like orphan receptor 1 (ROR1) is a member of the type I receptor tyrosine kinase family. ROR1 is pivotal in embryonic development and cancer, and serves as a biomarker and therapeutic target. It has soluble and membrane-bound subtypes, with the latter highly expressed in tumors. ROR1 is conserved throughout evolution and may play a role in the development of gastrointestinal cancer through multiple signaling pathways and molecular mechanisms. Studies suggest that overexpression of ROR1 may increase tumor invasiveness and metastasis. Additionally, ROR1 may regulate the cell cycle, stem cell characteristics, and interact with other signaling pathways to affect cancer progression. This review explores the structure, expression and role of ROR1 in the development of gastrointestinal cancers. It discusses current antitumor strategies, outlining challenges and prospects for treatment.
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Affiliation(s)
- Zheng-Long Wu
- Xinyuan Institute of Medicine and Biotechnology, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, Zhejiang Province, China
- Department of Oncology, Zhejiang Xiaoshan Hospital, Hangzhou 311201, Zhejiang Province, China
| | - Ying Wang
- Xinyuan Institute of Medicine and Biotechnology, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, Zhejiang Province, China
| | - Xiao-Yuan Jia
- Xinyuan Institute of Medicine and Biotechnology, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, Zhejiang Province, China
| | - Yi-Gang Wang
- Xinyuan Institute of Medicine and Biotechnology, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, Zhejiang Province, China
| | - Hui Wang
- Department of Oncology, Zhejiang Xiaoshan Hospital, Hangzhou 311201, Zhejiang Province, China
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3
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Mitrović-Ajtić O, Živković E, Subotički T, Diklić M, Đikić D, Vukotić M, Dragojević T, Vuković V, Antić D, Čokić VP. Inflammation mediated angiogenesis in chronic lymphocytic leukemia. Ann Hematol 2024:10.1007/s00277-024-05781-1. [PMID: 38713255 DOI: 10.1007/s00277-024-05781-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 04/22/2024] [Indexed: 05/08/2024]
Abstract
Chronic inflammation has been identified in leukemias as an essential regulator of angiogenesis. B-chronic lymphocytic leukemia (CLL) cells secrete high levels of vascular endothelial growth factor (VEGF) and hypoxia inducible factor 1 alpha (HIF1α). The aim was to assess the role of inflammation in activation of angiogenic factors: endothelial nitric oxide synthase (eNOS), HIF1α and VEGF via proliferation related signaling pathways and VEGF autocrine control. We isolated mononuclear cells (MNC) and CD19+ cells from peripheral blood of 60 patients with CLL. MNC were treated with pro-inflammatory interleukin-6 (IL-6) and VEGF, in combination with inhibitors of JAK1/2 (Ruxolitinib), mTOR (Rapamycin), NF-κB (JSH23), SMAD (LDN-193189) and PI3K/AKT (Ly294002) signaling pathways, to evaluate eNOS, VEGF and HIF1α expression by immunoblotting, immunocytochemistry and RT-qPCR. Also, we investigated IL-6 dependent neovascularization in human microvascular endothelial cells (HMEC-1) in co-culture with MNC of CLL. The angiogenic factors eNOS, VEGF and HIF1α had significantly higher frequencies in MNC of CLL in comparison to healthy controls (p < 0.001) and CD19+ cells of CLL. IL-6 increased the quantity of HIF1α (p < 0.05) and VEGF positive cells in the presence of JSH23 (p < 0.01). VEGF increased HIF1α (p < 0.05), and decreased eNOS gene expression (p < 0.01) in MNC of CLL. VEGF significantly (p < 0.001) increased the number of HIF1α positive MNC of CLL, prevented by inhibitors of JAK1/2, PI3K and mTOR signaling pathways. VEGF stimulation of SMAD (p < 0.05) and STAT5 (p < 0.01) signaling has been prevented by inhibitors of JAK1/2, mTOR, PI3K and SMAD signaling, individually (p < 0.01) or mutually (p < 0.001). Also, we showed that MNC of CLL and IL-6 individually stimulate neovascularization in co-culture with HMEC-1, without a cumulative effect. We demonstrated elevated angiogenic factors in CLL, while VEGF and IL-6 independently stimulated HIF1α. VEGF stimulation of HIF1α was mostly mTOR dependent, while IL-6 stimulation was NF-κB dependent.
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Affiliation(s)
- Olivera Mitrović-Ajtić
- Department of Molecular Oncology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Dr. Subotića 4, 11129, Belgrade, Serbia.
| | - Emilija Živković
- Department of Molecular Oncology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Dr. Subotića 4, 11129, Belgrade, Serbia
| | - Tijana Subotički
- Department of Molecular Oncology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Dr. Subotića 4, 11129, Belgrade, Serbia
| | - Miloš Diklić
- Department of Molecular Oncology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Dr. Subotića 4, 11129, Belgrade, Serbia
| | - Dragoslava Đikić
- Department of Molecular Oncology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Dr. Subotića 4, 11129, Belgrade, Serbia
| | - Milica Vukotić
- Department of Molecular Oncology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Dr. Subotića 4, 11129, Belgrade, Serbia
| | - Teodora Dragojević
- Department of Molecular Oncology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Dr. Subotića 4, 11129, Belgrade, Serbia
| | - Vojin Vuković
- Lymphoma Center, Clinic for Hematology, University Clinical Center of Serbia, Belgrade, Serbia
| | - Darko Antić
- Lymphoma Center, Clinic for Hematology, University Clinical Center of Serbia, Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Vladan P Čokić
- Department of Molecular Oncology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Dr. Subotića 4, 11129, Belgrade, Serbia
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Rouleau M, Villeneuve L, Allain EP, McCabe-Leroux J, Tremblay S, Nguyen Van Long F, Uchil A, Joly-Beauparlant C, Droit A, Guillemette C. Non-canonical transcriptional regulation of the poor prognostic factor UGT2B17 in chronic lymphocytic leukemic and normal B cells. BMC Cancer 2024; 24:410. [PMID: 38566115 PMCID: PMC10985967 DOI: 10.1186/s12885-024-12143-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 03/19/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND High expression of the glycosyltransferase UGT2B17 represents an independent adverse prognostic marker in chronic lymphocytic leukemia (CLL). It also constitutes a predictive marker for therapeutic response and a drug resistance mechanism. The key determinants driving expression of the UGT2B17 gene in normal and leukemic B-cells remain undefined. The UGT2B17 transcriptome is complex and is comprised of at least 10 alternative transcripts, identified by previous RNA-sequencing of liver and intestine. We hypothesized that the transcriptional program regulating UGT2B17 in B-lymphocytes is distinct from the canonical expression previously characterized in the liver. RESULTS RNA-sequencing and genomics data revealed a specific genomic landscape at the UGT2B17 locus in normal and leukemic B-cells. RNA-sequencing and quantitative PCR data indicated that the UGT2B17 enzyme is solely encoded by alternative transcripts expressed in CLL patient cells and not by the canonical transcript widely expressed in the liver and intestine. Chromatin accessible regions (ATAC-Seq) in CLL cells mapped with alternative promoters and non-coding exons, which may be derived from endogenous retrotransposon elements. By luciferase reporter assays, we identified key cis-regulatory STAT3, RELA and interferon regulatory factor (IRF) binding sequences driving the expression of UGT2B17 in lymphoblastoid and leukemic B-cells. Electrophoretic mobility shift assays and pharmacological inhibition demonstrated key roles for the CLL prosurvival transcription factors STAT3 and NF-κB in the leukemic expression of UGT2B17. CONCLUSIONS UGT2B17 expression in B-CLL is driven by key regulators of CLL progression. Our data suggest that a NF-κB/STAT3/IRF/UGT2B17 axis may represent a novel B-cell pathway promoting disease progression and drug resistance.
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Affiliation(s)
- Michèle Rouleau
- Faculty of Pharmacy, Centre Hospitalier Universitaire de Québec Research Center - Université Laval (CRCHUQc- UL), Université Laval, Québec, QC, Canada
- Cancer research center of Université Laval, Québec, Canada
| | - Lyne Villeneuve
- Faculty of Pharmacy, Centre Hospitalier Universitaire de Québec Research Center - Université Laval (CRCHUQc- UL), Université Laval, Québec, QC, Canada
- Cancer research center of Université Laval, Québec, Canada
| | - Eric P Allain
- Molecular Genetics Laboratory, Vitalité Health Network, Dr. Georges-L.-Dumont University Hospital Center, Moncton, NB, Canada
| | - Jules McCabe-Leroux
- Faculty of Pharmacy, Centre Hospitalier Universitaire de Québec Research Center - Université Laval (CRCHUQc- UL), Université Laval, Québec, QC, Canada
- Cancer research center of Université Laval, Québec, Canada
| | - Sophie Tremblay
- Faculty of Pharmacy, Centre Hospitalier Universitaire de Québec Research Center - Université Laval (CRCHUQc- UL), Université Laval, Québec, QC, Canada
- Cancer research center of Université Laval, Québec, Canada
| | - Flora Nguyen Van Long
- Faculty of Pharmacy, Centre Hospitalier Universitaire de Québec Research Center - Université Laval (CRCHUQc- UL), Université Laval, Québec, QC, Canada
- Cancer research center of Université Laval, Québec, Canada
| | - Ashwini Uchil
- Faculty of Pharmacy, Centre Hospitalier Universitaire de Québec Research Center - Université Laval (CRCHUQc- UL), Université Laval, Québec, QC, Canada
- Cancer research center of Université Laval, Québec, Canada
| | - Charles Joly-Beauparlant
- Cancer research center of Université Laval, Québec, Canada
- CRCHUQc-UL and Faculty of Medicine, Université Laval, Québec, Québec, Canada
| | - Arnaud Droit
- Cancer research center of Université Laval, Québec, Canada
- CRCHUQc-UL and Faculty of Medicine, Université Laval, Québec, Québec, Canada
| | - Chantal Guillemette
- Faculty of Pharmacy, Centre Hospitalier Universitaire de Québec Research Center - Université Laval (CRCHUQc- UL), Université Laval, Québec, QC, Canada.
- Cancer research center of Université Laval, Québec, Canada.
- Canada Research Chair in Pharmacogenomics, Faculty of Pharmacy, Université Laval, Québec, QC, Canada.
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5
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Pei HZ, Peng Z, Zhuang X, Wang X, Lu B, Guo Y, Zhao Y, Zhang D, Xiao Y, Gao T, Yu L, He C, Wu S, Baek SH, Zhao ZJ, Xu X, Chen Y. miR-221/222 induce instability of p53 By downregulating deubiquitinase YOD1 in acute myeloid leukemia. Cell Death Discov 2023; 9:249. [PMID: 37454155 DOI: 10.1038/s41420-023-01537-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 06/20/2023] [Accepted: 06/28/2023] [Indexed: 07/18/2023] Open
Abstract
Acute myeloid leukemia (AML) is a hematological malignancy characterized by the impaired differentiation and uncontrolled proliferation of myeloid blasts. Tumor suppressor p53 is often downregulated in AML cells via ubiquitination-mediated degradation. While the role of E3 ligase MDM2 in p53 ubiquitination is well-accepted, little is known about the involvement of deubiquitinases (DUBs). Herein, we found that the expression of YOD1, among several DUBs, is substantially reduced in blood cells from AML patients. We identified that YOD1 deubiqutinated and stabilized p53 through interaction via N-terminus of p53 and OTU domain of YOD1. In addition, expression levels of YOD1 were suppressed by elevated miR-221/222 in AML cells through binding to the 3' untranslated region of YOD1, as verified by reporter gene assays. Treatment of cells with miR-221/222 mimics and inhibitors yielded the expected effects on YOD1 expressions, in agreement with the negative correlation observed between the expression levels of miR-221/222 and YOD1 in AML cells. Finally, overexpression of YOD1 stabilized p53, upregulated pro-apoptotic p53 downstream genes, and increased the sensitivity of AML cells to FLT3 inhibitors remarkably. Collectively, our study identified a pathway connecting miR-221/222, YOD1, and p53 in AML. Targeting miR-221/222 and stimulating YOD1 activity may improve the therapeutic effects of FLT3 inhibitors in patients with AML.
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Affiliation(s)
- Han Zhong Pei
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Zhiyong Peng
- Nanfang-Chunfu Children's Institute of Hematology, Taixin Hospital, Dongguan, Guangdong, China
| | - Xiaomei Zhuang
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Xiaobo Wang
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Bo Lu
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Yao Guo
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Yuming Zhao
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Dengyang Zhang
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Yunjun Xiao
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Tianshun Gao
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Liuting Yu
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Chunxiao He
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Shunjie Wu
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Suk-Hwan Baek
- Department of Biochemistry & Molecular Biology, College of Medicine, Yeungnam University, 170 Hyeonchung-ro, Nam-gu, Daegu, 42415, South Korea.
| | - Zhizhuang Joe Zhao
- Department of Pathology, University of Oklahoma Health Sciences Center, 940 Stanton L. Young Blvd., BMSB 451, Oklahoma City, OK, 73104, USA.
| | - Xiaojun Xu
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China.
| | - Yun Chen
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China.
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Piki E, Dini A, Raivola J, Salokas K, Zhang K, Varjosalo M, Pellinen T, Välimäki K, Veskimäe KT, Staff S, Hautaniemi S, Murumägi A, Ungureanu D. ROR1-STAT3 signaling contributes to ovarian cancer intra-tumor heterogeneity. Cell Death Discov 2023; 9:222. [PMID: 37400436 DOI: 10.1038/s41420-023-01527-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 06/15/2023] [Accepted: 06/22/2023] [Indexed: 07/05/2023] Open
Abstract
Wnt pathway dysregulation through genetic and non-genetic alterations occurs in multiple cancers, including ovarian cancer (OC). The aberrant expression of the non-canonical Wnt signaling receptor ROR1 is thought to contribute to OC progression and drug resistance. However, the key molecular events mediated by ROR1 that are involved in OC tumorigenesis are not fully understood. Here, we show that ROR1 expression is enhanced by neoadjuvant chemotherapy, and Wnt5a binding to ROR1 can induce oncogenic signaling via AKT/ERK/STAT3 activation in OC cells. Proteomics analysis of isogenic ROR1-knockdown OC cells identified STAT3 as a downstream effector of ROR1 signaling. Transcriptomics analysis of clinical samples (n = 125) revealed that ROR1 and STAT3 are expressed at higher levels in stromal cells than in epithelial cancer cells of OC tumors, and these findings were corroborated by multiplex immunohistochemistry (mIHC) analysis of an independent OC cohort (n = 11). Our results show that ROR1 and its downstream STAT3 are co-expressed in epithelial as well as stromal cells of OC tumors, including cancer-associated fibroblasts or CAFs. Our data provides the framework to expand the clinical utility of ROR1 as a therapeutic target to overcome OC progression.
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Affiliation(s)
- Emilia Piki
- Disease Networks Unit, Faculty of Biochemistry and Molecular Medicine, University of Oulu, 90014, Oulu, Finland
| | - Alice Dini
- Disease Networks Unit, Faculty of Biochemistry and Molecular Medicine, University of Oulu, 90014, Oulu, Finland
| | - Juuli Raivola
- Applied Tumor Genomics, Research Program Unit, Faculty of Medicine, University of Helsinki, 00014, Helsinki, Finland
| | - Kari Salokas
- Institute of Biotechnology, University of Helsinki, 00014, Helsinki, Finland
| | - Kaiyang Zhang
- Research Program in Systems Oncology, Research Program Unit, Faculty of Medicine, University of Helsinki, 00014, Helsinki, Finland
| | - Markku Varjosalo
- Institute of Biotechnology, University of Helsinki, 00014, Helsinki, Finland
| | - Teijo Pellinen
- Institute for Molecular Medicine Finland, FIMM, Helsinki Institute of Life Science (HiLIFE) University of Helsinki, 00014, Helsinki, Finland
| | - Katja Välimäki
- Institute for Molecular Medicine Finland, FIMM, Helsinki Institute of Life Science (HiLIFE) University of Helsinki, 00014, Helsinki, Finland
| | - Kristina Tabor Veskimäe
- Department of Obstetrics and Gynecology, Tampere University Hospital and Faculty of Medicine and Health Technology, Tampere University, 33014, Tampere, Finland
| | - Synnöve Staff
- Department of Obstetrics and Gynecology, Tampere University Hospital and Faculty of Medicine and Health Technology, Tampere University, 33014, Tampere, Finland
| | - Sampsa Hautaniemi
- Research Program in Systems Oncology, Research Program Unit, Faculty of Medicine, University of Helsinki, 00014, Helsinki, Finland
| | - Astrid Murumägi
- Institute for Molecular Medicine Finland, FIMM, Helsinki Institute of Life Science (HiLIFE) University of Helsinki, 00014, Helsinki, Finland
| | - Daniela Ungureanu
- Disease Networks Unit, Faculty of Biochemistry and Molecular Medicine, University of Oulu, 90014, Oulu, Finland.
- Applied Tumor Genomics, Research Program Unit, Faculty of Medicine, University of Helsinki, 00014, Helsinki, Finland.
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7
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Huang W, Tang H, Liu Y, Li W, Shimu AS, Li B, Zhu C. ROR1/STAT3 positive feedback loop facilitates cartilage degeneration in Osteoarthritis through activation of NF-κB signaling pathway. Int Immunopharmacol 2023; 121:110433. [PMID: 37343369 DOI: 10.1016/j.intimp.2023.110433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 05/22/2023] [Accepted: 05/30/2023] [Indexed: 06/23/2023]
Abstract
BACKGROUND Osteoarthritis (OA) is a chronic joint disorder with a serious impact on society. The main pathological change in OA is articular cartilage degeneration, which is directly associated with imbalance of anabolic and catabolic activities in chondrocytes. OBJECTIVE To evaluate the expression and biological effects of ROR1 in OA cartilage and determine whether knockdown of ROR1 attenuates cartilage degeneration. METHODS ROR1 expression in OA clinical specimens was evaluated by western blotting and immunohistochemistry. The effects of ROR1 on anabolic and catabolic activities were evaluated in Wnt5a-treated human primary chondrocytes by western blotting, immunofluorescence, and luciferase assay. The effects of ROR1 knockdown on cartilage degeneration in a surgical OA mouse model were examined by X-ray imaging and Safranin O-Fast Green histological staining. RESULTS ROR1 was considerably upregulated in cartilage tissues of OA patients. ROR1 knockdown alleviated the activation of the NF-κB signaling pathway and reversed the suppression of collagen II and aggrecan by Wnt5a, as well as upregulation of ADAMTS-5 and MMP-13 in chondrocytes. In addition, ROR1 knockdown significantly reduced Wnt5a-induced STAT3 nuclear translocation. STAT3 binding to the ROR1 promoter indicated a positive feedback loop between ROR1 and STAT3. ROR1 knockdown was confirmed to dramatically alleviate cartilage degradation in the DMM induced-OA mouse model. CONCLUSION Increased expression of ROR1 in OA cartilage tissues leads to a positive feedback loop with STAT3, which activates the NF-κB signaling pathway, resulting in an imbalance between chondrocyte anabolism and catabolism. These results indicate a potential new therapeutic target for the treatment of OA.
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Affiliation(s)
- Wei Huang
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Hao Tang
- Department of Orthopedics, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yang Liu
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - WenWei Li
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Ajmeri Sultana Shimu
- Department of Medical Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - BoFeng Li
- Department of Medical Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
| | - Chen Zhu
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
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8
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Parker BA, Shatsky RA, Schwab RB, Wallace AM, Wolf DM, Hirst GL, Brown-Swigart L, Esserman LJ, van 't Veer LJ, Ghia EM, Yau C, Kipps TJ. Association of baseline ROR1 and ROR2 gene expression with clinical outcomes in the I-SPY2 neoadjuvant breast cancer trial. Breast Cancer Res Treat 2023; 199:281-291. [PMID: 37029329 PMCID: PMC10175386 DOI: 10.1007/s10549-023-06914-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 03/12/2023] [Indexed: 04/09/2023]
Abstract
PURPOSE ROR1 and ROR2 are Type 1 tyrosine kinase-like orphan receptors for Wnt5a that are associated with breast cancer progression. Experimental agents targeting ROR1 and ROR2 are in clinical trials. This study evaluated whether expression levels of ROR1 or ROR2 correlated with one another or with clinical outcomes. METHODS We interrogated the clinical significance of high-level gene expression of ROR1 and/or ROR2 in the annotated transcriptome dataset from 989 patients with high-risk early breast cancer enrolled in one of nine completed/graduated/experimental and control arms in the neoadjuvant I-SPY2 clinical trial (NCT01042379). RESULTS High ROR1 or high ROR2 was associated with breast cancer subtypes. High ROR1 was more prevalent among hormone receptor-negative and human epidermal growth factor receptor 2-negative (HR-HER2-) tumors and high ROR2 was less prevalent in this subtype. Although not associated with pathologic complete response, high ROR1 or high ROR2 each was associated with event-free survival (EFS) in distinct subtypes. High ROR1 associated with a worse EFS in HR + HER2- patients with high post-treatment residual cancer burden (RCB-II/III) (HR 1.41, 95% CI = 1.11-1.80) but not in patients with minimal post-treatment disease (RCB-0/I) (HR 1.85, 95% CI = 0.74-4.61). High ROR2 associated with an increased risk of relapse in patients with HER2 + disease and RCB-0/I (HR 3.46, 95% CI = 1.33-9.020) but not RCB-II/III (HR 1.07, 95% CI = 0.69-1.64). CONCLUSION High ROR1 or high ROR2 distinctly identified subsets of breast cancer patients with adverse outcomes. Further studies are warranted to determine if high ROR1 or high ROR2 may identify high-risk populations for studies of targeted therapies.
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Affiliation(s)
- Barbara A Parker
- Department of Medicine and Moores Cancer Center, University of California San Diego, La Jolla, CA, 92093, USA.
| | - Rebecca A Shatsky
- Department of Medicine and Moores Cancer Center, University of California San Diego, La Jolla, CA, 92093, USA
| | - Richard B Schwab
- Department of Medicine and Moores Cancer Center, University of California San Diego, La Jolla, CA, 92093, USA
| | - Anne M Wallace
- Department of Surgery and Moores Cancer Center, University of California San Diego, La Jolla, CA, USA
| | - Denise M Wolf
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Gillian L Hirst
- Department of Surgery, University of California San Francisco, San Francisco, CA, USA
| | - Lamorna Brown-Swigart
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Laura J Esserman
- Department of Surgery, University of California San Francisco, San Francisco, CA, USA
| | - Laura J van 't Veer
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Emanuela M Ghia
- Department of Medicine and Moores Cancer Center, University of California San Diego, La Jolla, CA, 92093, USA
- Center for Novel Therapeutics, University of California San Diego, La Jolla, CA, USA
| | - Christina Yau
- Department of Surgery, University of California San Francisco, San Francisco, CA, USA
| | - Thomas J Kipps
- Department of Medicine and Moores Cancer Center, University of California San Diego, La Jolla, CA, 92093, USA
- Center for Novel Therapeutics, University of California San Diego, La Jolla, CA, USA
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9
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Abstract
The receptor tyrosine kinase orphan receptor 1 (ROR1) is a receptor for WNT5A and related Wnt proteins, that play an important role during embryonic development by regulating cell migration, cell polarity, neural patterning, and organogenesis. ROR1 exerts these functions by transducing signals from the Wnt secreted glycoproteins to the intracellular Wnt/PCP and Wnt/Ca++ pathways. Investigations in adult human cells, particularly cancer cells, have demonstrated that besides these two pathways, the WNT5A/ROR1 axis can activate a number of signaling pathways, including the PI3K/AKT, MAPK, NF-κB, STAT3, and Hippo pathways. Moreover, ROR1 is aberrantly expressed in cancer and was associated with tumor progression and poor survival by promoting cell proliferation, survival, invasion, epithelial to mesenchymal transition, and metastasis. Consequently, numerous therapeutic tools to target ROR1 are currently being evaluated in cancer patients. In this review, we will provide a detailed description of the signaling pathways regulated by ROR1 in cancer and their impact in tumor progression.
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Affiliation(s)
- María Josefina Quezada
- Centro de Estudios Biomédicos, Básicos, Aplicados y Desarrollo (CEBBAD), Universidad Maimónides, Buenos Aires 1405, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires 1425, Argentina
| | - Pablo Lopez-Bergami
- Centro de Estudios Biomédicos, Básicos, Aplicados y Desarrollo (CEBBAD), Universidad Maimónides, Buenos Aires 1405, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires 1425, Argentina.
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10
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Zhao A, Zhou H, Yang J, Li M, Niu T. Epigenetic regulation in hematopoiesis and its implications in the targeted therapy of hematologic malignancies. Signal Transduct Target Ther 2023; 8:71. [PMID: 36797244 DOI: 10.1038/s41392-023-01342-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 01/03/2023] [Accepted: 01/19/2023] [Indexed: 02/18/2023] Open
Abstract
Hematologic malignancies are one of the most common cancers, and the incidence has been rising in recent decades. The clinical and molecular features of hematologic malignancies are highly heterogenous, and some hematologic malignancies are incurable, challenging the treatment, and prognosis of the patients. However, hematopoiesis and oncogenesis of hematologic malignancies are profoundly affected by epigenetic regulation. Studies have found that methylation-related mutations, abnormal methylation profiles of DNA, and abnormal histone deacetylase expression are recurrent in leukemia and lymphoma. Furthermore, the hypomethylating agents and histone deacetylase inhibitors are effective to treat acute myeloid leukemia and T-cell lymphomas, indicating that epigenetic regulation is indispensable to hematologic oncogenesis. Epigenetic regulation mainly includes DNA modifications, histone modifications, and noncoding RNA-mediated targeting, and regulates various DNA-based processes. This review presents the role of writers, readers, and erasers of DNA methylation and histone methylation, and acetylation in hematologic malignancies. In addition, this review provides the influence of microRNAs and long noncoding RNAs on hematologic malignancies. Furthermore, the implication of epigenetic regulation in targeted treatment is discussed. This review comprehensively presents the change and function of each epigenetic regulator in normal and oncogenic hematopoiesis and provides innovative epigenetic-targeted treatment in clinical practice.
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11
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Yu S, Ge Z, Chen W, Han J. Pyrrolidine Dithiocarbamate Enhances the Cytotoxic Effect of Arsenic Trioxide on Acute Promyelocytic Leukemia Cells. Comb Chem High Throughput Screen 2023; 26:2067-2076. [PMID: 36694317 DOI: 10.2174/1386207326666230123155944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 12/04/2022] [Accepted: 12/21/2022] [Indexed: 01/25/2023]
Abstract
BACKGROUND More than 95% patients with acute promyelocytic leukemia (APL) carry the PML-RARα fusion oncoprotein. Arsenic trioxide (ATO) is an efficacious therapeutic agent for APL, and the mechanism involves the binding with PML and degradation of PML-RARα protein. Pyrrolidine dithiocarbamate (PDTC) demonstrates the function of facilitating the cytotoxic effect of ATO. PURPOSE To investigate whether PDTC is potential to enhance the cytotoxic effect of ATO to APL cells by acting on PML-RARα oncoproteins. METHODS Inhibitory effects of drugs on cell viability were examined by CCK-8 test, and apoptosis was evaluated by flow cytometry. Western blotting and immunofluorescence assays were used to explore the mechanism. RESULTS PDTC improved the effect of ATO on inhibiting proliferation of NB4 cells in vitro. Further, PDTC-ATO promoted apoptosis and cell cycle arrest in NB4 cells. The expression of caspase- 3 and Bcl-2 was reduced in PDTC-ATO-treated NB4 cells, while cleaved caspase-3 and Bax was up-regulated. Furthermore, less PML-RARα expression were found in PDTC-ATO-treated NB4 cells than that in NB4 cells treated with ATO singly. Laser confocal microscopy showed that protein colocalization of PML and RARα was disrupted more significantly by PDTC-ATO treatment than that with ATO monotherapy. CONCLUSION In conclusion, PDTC enhanced the cytotoxic effect of ATO on APL, and the mechanism was, at least in part, related to the promotion of ATO-induced degradation of PML-RARα fusion protein via forming a complex PDTC-ATO.
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Affiliation(s)
- Simin Yu
- Department of Traditional Chinese Medicine, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zhuowang Ge
- Department of Cardiology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Weixiang Chen
- General Department of Chongming Branch, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Jinbin Han
- Department of Traditional Chinese Medicine, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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12
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Urbanek KD, Stilgenbauer S, Mertens D. To β or Not to β: How Important Is β-Catenin Dependent and Independent WNT Signaling in CLL? Cancers (Basel) 2022; 15. [PMID: 36612190 DOI: 10.3390/cancers15010194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 12/12/2022] [Accepted: 12/15/2022] [Indexed: 12/31/2022] Open
Abstract
WNT pathways play an important role in cancer development and progression, but WNT pathways can also inhibit growth in melanoma, prostate, and ovarian cancers. Chronic lymphocytic leukemia (CLL) is known for its overexpression of several WNT ligands and receptors. Canonical WNT signaling is β-catenin-dependent, whereas non-canonical WNT signaling is β-catenin-independent. Research on WNT in CLL focuses mainly on non-canonical signaling due to the high expression of the WNT-5a receptor ROR1. However, it was also shown that mutations in canonical WNT pathway genes can lead to WNT activation in CLL. The focus of this review is β-catenin-independent signaling and β-catenin-dependent signaling within CLL cells and the role of WNT in the leukemic microenvironment. The major role of WNT pathways in CLL pathogenesis also makes WNT a possible therapeutic target, directly or in combination with other drugs.
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13
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Muto Y, Dixon EE, Yoshimura Y, Wu H, Omachi K, Ledru N, Wilson PC, King AJ, Eric Olson N, Gunawan MG, Kuo JJ, Cox JH, Miner JH, Seliger SL, Woodward OM, Welling PA, Watnick TJ, Humphreys BD. Defining cellular complexity in human autosomal dominant polycystic kidney disease by multimodal single cell analysis. Nat Commun 2022; 13:6497. [PMID: 36310237 PMCID: PMC9618568 DOI: 10.1038/s41467-022-34255-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 10/17/2022] [Indexed: 12/25/2022] Open
Abstract
Autosomal dominant polycystic kidney disease (ADPKD) is the leading genetic cause of end stage renal disease characterized by progressive expansion of kidney cysts. To better understand the cell types and states driving ADPKD progression, we analyze eight ADPKD and five healthy human kidney samples, generating single cell multiomic atlas consisting of ~100,000 single nucleus transcriptomes and ~50,000 single nucleus epigenomes. Activation of proinflammatory, profibrotic signaling pathways are driven by proximal tubular cells with a failed repair transcriptomic signature, proinflammatory fibroblasts and collecting duct cells. We identify GPRC5A as a marker for cyst-lining collecting duct cells that exhibits increased transcription factor binding motif availability for NF-κB, TEAD, CREB and retinoic acid receptors. We identify and validate a distal enhancer regulating GPRC5A expression containing these motifs. This single cell multiomic analysis of human ADPKD reveals previously unrecognized cellular heterogeneity and provides a foundation to develop better diagnostic and therapeutic approaches.
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Affiliation(s)
- Yoshiharu Muto
- Division of Nephrology, Department of Medicine, Washington University in St. Louis, St. Louis, MO, USA
| | - Eryn E Dixon
- Division of Nephrology, Department of Medicine, Washington University in St. Louis, St. Louis, MO, USA
| | - Yasuhiro Yoshimura
- Division of Nephrology, Department of Medicine, Washington University in St. Louis, St. Louis, MO, USA
| | - Haojia Wu
- Division of Nephrology, Department of Medicine, Washington University in St. Louis, St. Louis, MO, USA
| | - Kohei Omachi
- Division of Nephrology, Department of Medicine, Washington University in St. Louis, St. Louis, MO, USA
| | - Nicolas Ledru
- Division of Nephrology, Department of Medicine, Washington University in St. Louis, St. Louis, MO, USA
| | - Parker C Wilson
- Department of Pathology and Immunology, Washington University in St. Louis, St. Louis, MO, USA
| | | | | | | | - Jay J Kuo
- Chinook Therapeutics, Inc., Vancouver, BC, Canada
| | | | - Jeffrey H Miner
- Division of Nephrology, Department of Medicine, Washington University in St. Louis, St. Louis, MO, USA
| | - Stephen L Seliger
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Owen M Woodward
- Department of Physiology, University of Maryland School of Medicine, Baltimore, MD, USA
| | | | - Terry J Watnick
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Benjamin D Humphreys
- Division of Nephrology, Department of Medicine, Washington University in St. Louis, St. Louis, MO, USA.
- Department of Developmental Biology, Washington University in St. Louis, St. Louis, MO, USA.
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14
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Abstract
Since its initial identification in 1992 as a possible class 1 cell-surface receptor without a known parent ligand, receptor tyrosine kinase-like orphan receptor 1 (ROR1) has stimulated research, which has made apparent its significance in embryonic development and cancer. Chronic lymphocytic leukemia (CLL) was the first malignancy found to have distinctive expression of ROR1, which can help distinguish leukemia cells from most noncancer cells. Aside from its potential utility as a diagnostic marker or target for therapy, ROR1 also factors in the pathophysiology of CLL. This review is a report of the studies that have elucidated the expression, biology, and evolving strategies for targeting ROR1 that hold promise for improving the therapy of patients with CLL or other ROR1-expressing malignancies.
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Affiliation(s)
- Thomas J. Kipps
- Center for Novel Therapeutics, Moores Cancer Center, Department of Medicine, University of California, San Diego, La Jolla, CA
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15
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Manni W, Min W. Signaling pathways in the regulation of cancer stem cells and associated targeted therapy. MedComm (Beijing) 2022; 3:e176. [PMID: 36226253 PMCID: PMC9534377 DOI: 10.1002/mco2.176] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/20/2022] [Accepted: 08/22/2022] [Indexed: 11/07/2022] Open
Abstract
Cancer stem cells (CSCs) are defined as a subpopulation of malignant tumor cells with selective capacities for tumor initiation, self-renewal, metastasis, and unlimited growth into bulks, which are believed as a major cause of progressive tumor phenotypes, including recurrence, metastasis, and treatment failure. A number of signaling pathways are involved in the maintenance of stem cell properties and survival of CSCs, including well-established intrinsic pathways, such as the Notch, Wnt, and Hedgehog signaling, and extrinsic pathways, such as the vascular microenvironment and tumor-associated immune cells. There is also intricate crosstalk between these signal cascades and other oncogenic pathways. Thus, targeting pathway molecules that regulate CSCs provides a new option for the treatment of therapy-resistant or -refractory tumors. These treatments include small molecule inhibitors, monoclonal antibodies that target key signaling in CSCs, as well as CSC-directed immunotherapies that harness the immune systems to target CSCs. This review aims to provide an overview of the regulating networks and their immune interactions involved in CSC development. We also address the update on the development of CSC-directed therapeutics, with a special focus on those with application approval or under clinical evaluation.
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Affiliation(s)
- Wang Manni
- Department of Biotherapy, Cancer Center, West China HospitalSichuan UniversityChengduP. R. China
| | - Wu Min
- Department of Biomedical Sciences, School of Medicine and Health SciencesUniversity of North DakotaGrand ForksNorth DakotaUSA
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16
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Abstract
Reactive astrocytes are commonly activated in the spinal dorsal horn (SDH) of various animal models of pathological pain. Previous investigations suggest an association between astrogliosis and pain pathogenesis. However, our understanding of the mechanisms underlying astrogliosis activation and the contributions of reactive astrocytes to pain neural circuit malfunction is rudimentary. This short review highlights recent advances in these areas.
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Affiliation(s)
- Shao-Jun Tang
- Stony Brook University Pain and Analgesia Research Center (SPARC) and Department of Anesthesiology, Renaissance School of Medicine, Stony Brook University, NY, 11794, USA.
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17
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Sun J, Wang Z, Liu P, Hu Y, Li T, Yang J, Gao P, Xu Q. Exosomes Derived From Human Gingival Mesenchymal Stem Cells Attenuate the Inflammatory Response in Periodontal Ligament Stem Cells. Front Chem 2022; 10:863364. [PMID: 35464198 PMCID: PMC9019468 DOI: 10.3389/fchem.2022.863364] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 03/10/2022] [Indexed: 12/16/2022] Open
Abstract
This study aimed to explore the effects of exosomes derived from human gingival mesenchymal stem cells (GMSC-Exo) on the inflammatory response of periodontal ligament stem cells (PDLSCs) in an inflammatory microenvironment in order to restore the regenerative potential of PDLSCs, which promotes periodontal tissue regeneration in patients with periodontitis. Periodontitis is a chronic infectious disease characterized by periodontal tissue inflammation and alveolar bone destruction. PDLSCs are regarded as promising seed cells for restoring periodontal tissue defects because of their ability to regenerate cementum/PDL-like tissue and alveolar bone. However, PDLSCs in the inflammatory environment show significantly attenuated regenerative potential. GMSC-Exo have been reported to have anti-inflammatory and immunosuppressive properties. In this study, we investigated the effects of GMSC-Exo on the inflammatory response of PDLSCs induced by lipopolysaccharides (LPS). LPS was used to simulate the inflammatory microenvironment of periodontitis in vitro. GMSC-Exo were extracted from the culture supernatant of GMSCs by ultracentrifugation. We found that GMSC-Exo attenuated the inflammatory response of PDLSCs induced by LPS. Furthermore, compared to treatment with LPS, treatment with GMSC-Exo attenuated the expression of NF-κB signaling and Wnt5a in LPS-induced PDLSCs. In conclusion, we confirmed that GMSC-Exo could suppress the inflammatory response of PDLSCs by regulating the expression of NF-κB signaling and Wnt5a, which paves the way for the establishment of a therapeutic approach for periodontitis.
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Affiliation(s)
- Jiayao Sun
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao, China
- School of Stomatology of Qingdao University, Qingdao, China
| | - Zhiguo Wang
- Department of Burn and Plastic Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China
- *Correspondence: Quanchen Xu, ; Zhiguo Wang,
| | - Peng Liu
- Department of Surgery, Qingdao West Coast New Area People’s Hospital, Qingdao, China
| | - Yingzhe Hu
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao, China
- School of Stomatology of Qingdao University, Qingdao, China
| | - Tingting Li
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jianbo Yang
- Department of Stomatology, Weihai Stomatological Hospital, Weihai, China
| | - Pengyu Gao
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao, China
- School of Stomatology of Qingdao University, Qingdao, China
| | - Quanchen Xu
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao, China
- *Correspondence: Quanchen Xu, ; Zhiguo Wang,
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18
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Guo Y, Pei H, Lu B, Zhang D, Zhao Y, Wu F, Sun H, Huang J, Li P, Yi C, Zhu C, Pan Y, Wu S, Chen C, Xu X, Chen Y. Aberrantly expressed Wnt5a in nurse-like cells drives resistance to Venetoclax in chronic lymphocytic leukemia. Cell Death Dis 2022; 8:82. [PMID: 35210425 PMCID: PMC8873424 DOI: 10.1038/s41420-022-00884-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 01/28/2022] [Accepted: 02/10/2022] [Indexed: 11/29/2022]
Abstract
Chronic lymphocytic leukemia (CLL) is characterized by the accumulation of neoplastic B lymphocytes with high levels of Wnt5a in the plasma. Currently, the cell source of Wnt5a remains controversial. The receptor of Wnt5a is ROR1, whose expression is associated with disease progression and resistance to venetoclax, a BCL-2 inhibitor approved for the treatment of CLL. In this study, we found that the levels of Wnt5a in the plasma of CLL patients were positively correlated with absolute monocyte counts, but not lymphocyte counts. We cultured monocyte-derived nurse-like cells (NLCs) from patients with CLL, and detected Wnt5a expressed in NLCs. Flow cytometry and transwell assays showed that the antibody neutralizing Wnt5a inhibited the enhanced survival and migration in CLL cells co-cultured with NLCs. Furthermore, we performed a drug screening with CLL cells cultured with or without NLCs with a library containing 133 FDA-approved oncology drugs by using high-throughput flow cytometry. We observed a significant resistance to venetoclax in CLL cells co-cultured with NLCs. Immunoblot revealed the activation of NF-κB with enhanced expression of MCL-1 and BCL-XL in CLL cells co-cultured with NLCs. Neutralizing Wnt5a or blocking NF-κB pathway significantly decreased the expression of MCL-1 and BCL-XL, which leads to enhanced sensitivity to venetoclax in CLL cells co-cultured with NLCs. In conclusion, our data showed that NLCs could be one of the sources of Wnt5a detected in patients with CLL, and Wnt5a-induced NF-κB activation in the CLL microenvironment results in resistance to venetoclax in CLL cells.
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Affiliation(s)
- Yao Guo
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Hanzhong Pei
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Bo Lu
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Dengyang Zhang
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Yuming Zhao
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Fuqun Wu
- Clinical laboratory, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Honghua Sun
- Clinical laboratory, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Junbin Huang
- Department of Pediatrics, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Peng Li
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Chenju Yi
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Chengming Zhu
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Yihang Pan
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Shunjie Wu
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Chun Chen
- Department of Pediatrics, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China.
| | - Xiaojun Xu
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China.
| | - Yun Chen
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China.
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19
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Li Y, Chen Z, Han J, Ma X, Zheng X, Chen J. Functional and Therapeutic Significance of Tumor-Associated Macrophages in Colorectal Cancer. Front Oncol 2022; 12:781233. [PMID: 35186730 PMCID: PMC8847181 DOI: 10.3389/fonc.2022.781233] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 01/10/2022] [Indexed: 12/12/2022] Open
Abstract
The role of the tumor microenvironment (TME) in the progression of colorectal cancer (CRC) and its acquisition of resistance to treatment become the research hotspots. As an important component of TME, the tumor-associated macrophages (TAMs) regulate multiple critical oncogenic processes, namely, occurrence, proliferation, metastasis, and drug resistance in CRC. In this review, we have discussed the functional and therapeutic significance of TAMs in CRC. M1 macrophages act as the tumor suppressor while M2 macrophages promote CRC. The polarization of TAMs is mainly regulated by the pathways such as NFKB1 pathways, STAT3 pathways, WNT5A pathways, and PI3K pathways in CRC. Furthermore, the M2 polarization of TAMs is not only controllable but also reversible. Finally, we provide insights into the TAMs-targeted therapeutic strategies.
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Affiliation(s)
- Yitong Li
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Cancer Metastasis Institute, Fudan University, Shanghai, China
| | - Zhenmei Chen
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Cancer Metastasis Institute, Fudan University, Shanghai, China
| | - Jiahao Han
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Cancer Metastasis Institute, Fudan University, Shanghai, China
| | - Xiaochen Ma
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Cancer Metastasis Institute, Fudan University, Shanghai, China
| | - Xin Zheng
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Cancer Metastasis Institute, Fudan University, Shanghai, China
| | - Jinhong Chen
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Cancer Metastasis Institute, Fudan University, Shanghai, China
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Forconi F, Lanham SA, Chiodin G. Biological and Clinical Insight from Analysis of the Tumor B-Cell Receptor Structure and Function in Chronic Lymphocytic Leukemia. Cancers (Basel) 2022; 14:663. [PMID: 35158929 PMCID: PMC8833472 DOI: 10.3390/cancers14030663] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/18/2022] [Accepted: 01/20/2022] [Indexed: 02/04/2023] Open
Abstract
The B-cell receptor (BCR) is essential to the behavior of the majority of normal and neoplastic mature B cells. The identification in 1999 of the two major CLL subsets expressing unmutated immunoglobulin (Ig) variable region genes (U-IGHV, U-CLL) of pre-germinal center origin and poor prognosis, and mutated IGHV (M-CLL) of post-germinal center origin and good prognosis, ignited intensive investigations on structure and function of the tumor BCR. These investigations have provided fundamental insight into CLL biology and eventually the mechanistic rationale for the development of successful therapies targeting BCR signaling. U-CLL and M-CLL are characterized by variable low surface IgM (sIgM) expression and signaling capacity. Variability of sIgM can in part be explained by chronic engagement with (auto)antigen at tissue sites. However, other environmental elements, genetic changes, and epigenetic signatures also contribute to the sIgM variability. The variable levels have consequences on the behavior of CLL, which is in a state of anergy with an indolent clinical course when sIgM expression is low, or pushed towards proliferation and a more aggressive clinical course when sIgM expression is high. Efficacy of therapies that target BTK may also be affected by the variable sIgM levels and signaling and, in part, explain the development of resistance.
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Affiliation(s)
- Francesco Forconi
- School of Cancer Sciences, Cancer Research UK and NIHR Experimental Cancer Medicine Centres, University of Southampton, Southampton SO16 6YD, UK; (S.A.L.); (G.C.)
- Department of Haematology, University Hospital Southampton NHS Trust, Southampton SO16 6YD, UK
| | - Stuart A. Lanham
- School of Cancer Sciences, Cancer Research UK and NIHR Experimental Cancer Medicine Centres, University of Southampton, Southampton SO16 6YD, UK; (S.A.L.); (G.C.)
| | - Giorgia Chiodin
- School of Cancer Sciences, Cancer Research UK and NIHR Experimental Cancer Medicine Centres, University of Southampton, Southampton SO16 6YD, UK; (S.A.L.); (G.C.)
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Ghia EM, Rassenti LZ, Choi MY, Quijada-Álamo M, Chu E, Widhopf GF 2nd, Kipps TJ. High expression level of ROR1 and ROR1-signaling associates with venetoclax resistance in chronic lymphocytic leukemia. Leukemia 2022; 36:1609-18. [PMID: 35418613 DOI: 10.1038/s41375-022-01543-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 02/27/2022] [Accepted: 03/09/2022] [Indexed: 12/19/2022]
Abstract
Although the BH3-mimetic venetoclax is highly cytotoxic for chronic lymphocytic leukemia (CLL) cells, some patients with CLL fail to clear minimal residual disease (MRD). We examined the CLL cells of seven such patients (CLL1-7) and found each had high-level expression of ROR1. By examining the CLL cells from such patients prior to therapy at SC1 and then more than 1 year later (Sample Collection 2 (SC2)), when they had progressive increases in MRD despite continued venetoclax therapy, we found the levels of ROR1 expressed on CLL cells at SC2 were significantly higher than that on CLL cells collected at SC1. At SC2, we also observed upregulation of genes induced by Wnt5a-induced ROR1 signaling, including BCL2L1. Transduction of the CLL-cell-line MEC1 to express ROR1 enhanced expression of target genes induced by ROR1-signaling, increased expression of BCL-XL, and enhanced resistance to venetoclax, even in MEC1 made to express mutant forms of BCL2, which are associated with venetoclax resistance. Treatment of primary CLL cells with Wnt5a also increased their resistance to venetoclax, an effect that could be inhibited by the anti-ROR1 mAb (UC-961, zilovertamab). Collectively, these studies indicate that Wnt5a-induced ROR1-signaling can enhance resistance to venetoclax therapy.
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22
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Daikuzono H, Yamazaki M, Sato Y, Takahashi T, Yamagata K. Development of a DELFIA method to detect oncofetal antigen ROR1-positive exosomes. Biochem Biophys Res Commun 2021; 578:170-176. [PMID: 34597914 DOI: 10.1016/j.bbrc.2021.08.054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/03/2021] [Accepted: 08/23/2021] [Indexed: 10/20/2022]
Abstract
Receptor tyrosine kinase-like orphan receptor 1 (ROR1) is highly expressed in a wide variety of hematological and solid cancers, but is low or absent in adult tissues. Here, we show that ROR1 is released with exosomes from ROR1-positive cancer cells. We also developed a simple dissociation-enhanced lanthanide fluorescence immunoassay (DELFIA) to detect cancer-derived ROR1-positive exosomes, which are captured by two anti-ROR1 antibodies and detected by the fluorescence of free chelating europium. This new DELFIA method can detect cancer-derived ROR1-positive exosomes in the cell supernatant and serum with a wide range and rapidly compared with the conventional Western blot assay. This method may be useful as a companion diagnostics for ROR1-positive cancers.
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Affiliation(s)
- Hina Daikuzono
- Department of Cancer Biology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, 860-8556, Japan
| | - Masaya Yamazaki
- Department of Cancer Biology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, 860-8556, Japan; Department of Medical Biochemistry, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, 860-8556, Japan.
| | - Yoshifumi Sato
- Department of Medical Biochemistry, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, 860-8556, Japan
| | | | - Kazuya Yamagata
- Department of Medical Biochemistry, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, 860-8556, Japan
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Abstract
In chronic lymphocytic leukemia (CLL), increasing knowledge of the biology of the tumor cells has led to transformative improvements in our capacity to assess and treat patients. The dependence of tumor cells on surface immunoglobulin receptor signaling, survival pathways, and accessory cells within the microenvironment has led to a successful double-barreled attack with designer drugs. Studies have revealed that CLL should be classified based on the mutational status of the expressed IGHV sequences into 2 diseases, either unmutated (U) or mutated (M) CLL, each with a distinctive cellular origin, biology, epigenetics/genetics, and clinical behavior. The origin of U-CLL lies among the natural antibody repertoire, and dominance of IGHV1-69 reveals a superantigenic driver. In both U-CLL and M-CLL, a calibrated stimulation of tumor cells by self-antigens apparently generates a dynamic reiterative cycle as cells, protected from apoptosis, transit between blood and tissue sites. But there are differences in outcome, with the balance between proliferation and anergy favoring anergy in M-CLL. Responses are modulated by an array of microenvironmental interactions. Availability of T-cell help is a likely determinant of cell fate, the dependency on which varies between U-CLL and M-CLL, reflecting the different cells of origin, and affecting clinical behavior. Despite such advances, cell-escape strategies, Richter transformation, and immunosuppression remain as challenges, which only may be met by continued research into the biology of CLL.
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MESH Headings
- Animals
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/genetics
- Leukemia, Lymphocytic, Chronic, B-Cell/immunology
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Mutation
- Neoplasm Proteins/genetics
- Neoplasm Proteins/immunology
- Receptors, Antigen, B-Cell/genetics
- Receptors, Antigen, B-Cell/immunology
- Signal Transduction/genetics
- Signal Transduction/immunology
- Tumor Microenvironment/genetics
- Tumor Microenvironment/immunology
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Affiliation(s)
- Freda K Stevenson
- School of Cancer Sciences, Cancer Research UK Southampton Centre, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - Francesco Forconi
- School of Cancer Sciences, Cancer Research UK Southampton Centre, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
- Haematology Department, Cancer Care Directorate, University Hospital Southampton NHS Trust, Southampton, United Kingdom; and
| | - Thomas J Kipps
- Center for Novel Therapeutics, Moores Cancer Center, University of California, San Diego, La Jolla, CA
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Grioni M, Brevi A, Cattaneo E, Rovida A, Bordini J, Bertilaccio MTS, Ponzoni M, Casorati G, Dellabona P, Ghia P, Bellone M, Calcinotto A. CD4+ T cells sustain aggressive chronic lymphocytic leukemia in Eμ-TCL1 mice through a CD40L-independent mechanism. Blood Adv 2021; 5:2817-28. [PMID: 34269799 DOI: 10.1182/bloodadvances.2020003795] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 03/19/2021] [Indexed: 12/11/2022] Open
Abstract
Chronic lymphocytic leukemia (CLL) is caused by the progressive accumulation of mature CD5+ B cells in secondary lymphoid organs. In vitro data suggest that CD4+ T lymphocytes also sustain survival and proliferation of CLL clones through CD40L/CD40 interactions. In vivo data in animal models are conflicting. To clarify this clinically relevant biological issue, we generated genetically modified Eμ-TCL1 mice lacking CD4+ T cells (TCL1+/+AB0), CD40 (TCL1+/+CD40-/-), or CD8+ T cells (TCL1+/+TAP-/-), and we monitored the appearance and progression of a disease that mimics aggressive human CLL by flow cytometry and immunohistochemical analyses. Findings were confirmed by adoptive transfer of leukemic cells into mice lacking CD4+ T cells or CD40L or mice treated with antibodies depleting CD4 T cells or blocking CD40L/CD40 interactions. CLL clones did not proliferate in mice lacking or depleted of CD4+ T cells, thus confirming that CD4+ T cells are essential for CLL development. By contrast, CD8+ T cells exerted an antitumor activity, as indicated by the accelerated disease progression in TCL1+/+TAP-/- mice. Antigen specificity of CD4+ T cells was marginal for CLL development, because CLL clones efficiently proliferated in transgenic mice whose CD4 T cells had a T-cell receptor with CLL-unrelated specificities. Leukemic clones also proliferated when transferred into wild-type mice treated with monoclonal antibodies blocking CD40 or into CD40L-/- mice, and TCL1+/+CD40-/- mice developed frank CLL. Our data demonstrate that CD8+ T cells restrain CLL progression, whereas CD4+ T cells support the growth of leukemic clones in TCL1 mice through CD40-independent and apparently noncognate mechanisms.
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Abstract
ABSTRACT The leukemia cells of patients with chronic lymphocytic leukemia (CLL) are highly fastidious, requiring stimulation by soluble factors and interactions with accessory cells within the supportive niches of lymphoid tissue that comprise the leukemia microenvironment. The advent of therapies that can disrupt some of the stimulatory signaling afforded by the microenvironment has ushered in a new era of targeted therapy, which has dramatically improved clinical outcome and patient survival. Future advances are required for patients who develop intolerance or resistance to current targeted therapies. These may be found by investigating novel drugs that can inhibit identified targets, such as the pathways involved in B-cell receptor signaling, or by developing agents that inhibit additional targets of the leukemia microenvironment. This review describes some of the molecules involved in promoting the growth and/or survival of CLL cells and discusses targeting strategies that may become tomorrow's therapy for patients with CLL.
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Abstract
The development of tumors requires an initiator event, usually exposure to DNA damaging agents that cause genetic alterations such as gene mutations or chromosomal abnormalities, leading to deregulated cell proliferation. Although the mere stochastic accumulation of further mutations may cause tumor progression, it is now clear that an inflammatory microenvironment has a major tumor-promoting influence on initiated cells, in particular when a chronic inflammatory reaction already existed before the initiated tumor cell was formed. Moreover, inflammatory cells become mobilized in response to signals emanating from tumor cells. In both cases, the microenvironment provides signals that initiated tumor cells perceive by membrane receptors and transduce via downstream kinase cascades to modulate multiple cellular processes and respond with changes in cell gene expression, metabolism, and morphology. Cytokines, chemokines, and growth factors are examples of major signals secreted by immune cells, fibroblast, and endothelial cells and mediate an intricate cell-cell crosstalk in an inflammatory microenvironment, which contributes to increased cancer cell survival, phenotypic plasticity and adaptation to surrounding tissue conditions. Eventually, consequent changes in extracellular matrix stiffness and architecture, coupled with additional genetic alterations, further fortify the malignant progression of tumor cells, priming them for invasion and metastasis. Here, we provide an overview of the current knowledge on the composition of the inflammatory tumor microenvironment, with an emphasis on the major signals and signal-transducing events mediating different aspects of stromal cell-tumor cell communication that ultimately lead to malignant progression.
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Zhao Y, Zhang D, Guo Y, Lu B, Zhao ZJ, Xu X, Chen Y. Tyrosine Kinase ROR1 as a Target for Anti-Cancer Therapies. Front Oncol 2021; 11:680834. [PMID: 34123850 PMCID: PMC8193947 DOI: 10.3389/fonc.2021.680834] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 04/29/2021] [Indexed: 12/15/2022] Open
Abstract
Receptor tyrosine kinase ROR1 plays an essential role in embryogenesis and is overexpressed in many types of malignant tumors. Studies have demonstrated that it plays an important role in oncogenesis by activating cell survival signaling events, particularly the non-canonical WNT signaling pathway. Antibody-based immunotherapies targeting ROR1 have been developed and evaluated in preclinical and clinical studies with promising outcomes. However, small molecule inhibitors targeting ROR1 are underappreciated because of the initial characterization of ROR1 as a peusdokinase. The function of ROR1 as a tyrosine kinase remains poorly understood, although accumulating evidence have demonstrated its intrinsic tyrosine kinase activity. In this review, we analyzed the structural and functional features of ROR1 and discussed therapeutic strategies targeting this kinase.
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Affiliation(s)
- Yuming Zhao
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, China
| | - Dengyang Zhang
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, China
| | - Yao Guo
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, China
| | - Bo Lu
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, China
| | - Zhizhuang Joe Zhao
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
| | - Xiaojun Xu
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, China
| | - Yun Chen
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, China
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Fürstenau M, Eichhorst B. Novel Agents in Chronic Lymphocytic Leukemia: New Combination Therapies and Strategies to Overcome Resistance. Cancers (Basel) 2021; 13:1336. [PMID: 33809580 DOI: 10.3390/cancers13061336] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/10/2021] [Accepted: 03/12/2021] [Indexed: 12/13/2022] Open
Abstract
Simple Summary Nowadays, many patients with chronic lymphocytic leukemia (CLL) are treated with so-called novel agents, including BTK inhibitors, Bcl-2 inhibitors and PI3K inhibitors. As CLL is a chronic disease, most patients will relapse on or after treatment with these drugs and various mechanisms behind this resistance to novel agents have been described. In this review, we present the current evidence on resistance to novel agents, discuss approaches to prevent its development and provide guidance on the treatment of patients who have already acquired resistance. Abstract The approval of Bruton’s tyrosine kinase (BTK) inhibitors such as ibrutinib and acalabrutinib and the Bcl-2 inhibitor venetoclax have revolutionized the treatment of chronic lymphocytic leukemia (CLL). While these novel agents alone or in combination induce long lasting and deep remissions in most patients with CLL, their use may be associated with the development of clinical resistance. In this review, we elucidate the genetic basis of acquired resistance to BTK and Bcl-2 inhibition and present evidence on resistance mechanisms that are not linked to single genomic alterations affecting these target proteins. Strategies to prevent resistance to novel agents are discussed in this review with a special focus on new combination therapies.
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Abstract
Wnt5a is the prototypical activator of the non-canonical Wnt pathways, and its overexpression has been implicated in the progression of several tumor types by promoting cell motility, invasion, EMT, and metastasis. Recent evidences have revealed a novel role of Wnt5a in the phosphorylation of the NF-κB subunit p65 and the activation of the NF-κB pathway in cancer cells. In this article, we review the molecular mechanisms and mediators defining a Wnt5a/NF-κB signaling pathway and propose that the aberrant expression of Wnt5a in some tumors drives a Wnt5a/NF-κB/IL-6/STAT3 positive feedback loop that amplifies the effects of Wnt5a. The evidences discussed here suggest that Wnt5a has a double effect on the tumor microenvironment. First, it activates an autocrine ROR1/Akt/p65 pathway that promotes inflammation and chemotaxis of immune cells. Then, Wnt5a activates a TLR/MyD88/p50 pathway exclusively in myelomonocytic cells promoting the synthesis of the anti-inflammatory cytokine IL-10 and a tolerogenic phenotype. As a result of these mechanisms, Wnt5a plays a negative role on immune cell function that contributes to an immunosuppressive tumor microenvironment and would contribute to resistance to immunotherapy. Finally, we summarized the development of different strategies targeting either Wnt5a or the Wnt5a receptor ROR1 that can be helpful for cancer therapy by contributing to generate a more immunostimulatory tumor microenvironment.
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Affiliation(s)
- Pablo Lopez-Bergami
- Centro de Estudios Biomédicos, Básicos, Aplicados y Desarrollo (CEBBAD), Universidad Maimonides, Hidalgo 775, Buenos Aires, Argentina. .,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.
| | - Gastón Barbero
- Centro de Estudios Biomédicos, Básicos, Aplicados y Desarrollo (CEBBAD), Universidad Maimonides, Hidalgo 775, Buenos Aires, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
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Guo C, Gao YY, Ju QQ, Zhang CX, Gong M, Li ZL. HELQ and EGR3 expression correlate with IGHV mutation status and prognosis in chronic lymphocytic leukemia. J Transl Med 2021; 19:42. [PMID: 33485349 PMCID: PMC7825181 DOI: 10.1186/s12967-021-02708-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 01/16/2021] [Indexed: 11/16/2022] Open
Abstract
Background IGHV mutation status is a crucial prognostic biomarker for CLL. In the present study, we investigated the transcriptomic signatures associating with IGHV mutation status and CLL prognosis. Methods The co-expression modules and hub genes correlating with IGHV status, were identified using the GSE28654, by ‘WGCNA’ package and R software (version 4.0.2). The over-representation analysis was performed to reveal enriched cell pathways for genes of correlating modules. Then 9 external cohorts were used to validate the correlation of hub genes expression with IGHV status or clinical features (treatment response, transformation to Richter syndrome, etc.). Moreover, to elucidate the significance of hub genes on disease course and prognosis of CLL patients, the Kaplan–Meier analysis for the OS and TTFT of were performed between subgroups dichotomized by the median expression value of individual hub genes. Results 2 co-expression modules and 9 hub genes ((FCRL1/FCRL2/HELQ/EGR3LPL/LDOC1/ZNF667/SOWAHC/SEPTIN10) correlating with IGHV status were identified by WGCNA, and validated by external datasets. The modules were found to be enriched in NF-kappaB, HIF-1 and other important pathways, involving cell proliferation and apoptosis. The expression of hub genes was revealed to be significantly different, not only between CLL and normal B cell, but also between various types of lymphoid neoplasms. HELQ expression was found to be related with response of immunochemotherapy treatment significantly (p = 0.0413), while HELQ and ZNF667 were expressed differently between stable CLL and Richter syndrome patients (p < 0.0001 and p = 0.0278, respectively). By survival analysis of subgroups, EGR3 expression was indicated to be significantly associated with TTFT by 2 independent cohorts (GSE39671, p = 0.0311; GSE22762, p = 0.0135). While the expression of HELQ and EGR3 was found to be associated with OS (p = 0.0291 and 0.0114 respectively).The Kras, Hedgehog and IL6-JAK-STAT3 pathways were found to be associating with the expression of hub genes, resulting from GSEA. Conclusions The expression of HELQ and EGR3 were correlated with IGHV mutation status in CLL patients. Additionally, the expression of HELQ/EGR3 were prognostic markers for CLL associating with targetable cell signaling pathways.
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Affiliation(s)
- Chao Guo
- Department of Hematology, China-Japan Friendship Hospital, Yinghua East Street, Beijing, 100029, China
| | - Ya-Yue Gao
- Department of Hematology, China-Japan Friendship Hospital, Yinghua East Street, Beijing, 100029, China
| | - Qian-Qian Ju
- Department of Hematology, China-Japan Friendship Hospital, Yinghua East Street, Beijing, 100029, China
| | - Chun-Xia Zhang
- Department of Hematology, China-Japan Friendship Hospital, Yinghua East Street, Beijing, 100029, China
| | - Ming Gong
- Department of Hematology, China-Japan Friendship Hospital, Yinghua East Street, Beijing, 100029, China
| | - Zhen-Ling Li
- Department of Hematology, China-Japan Friendship Hospital, Yinghua East Street, Beijing, 100029, China.
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Menck K, Heinrichs S, Baden C, Bleckmann A. The WNT/ROR Pathway in Cancer: From Signaling to Therapeutic Intervention. Cells 2021; 10:cells10010142. [PMID: 33445713 PMCID: PMC7828172 DOI: 10.3390/cells10010142] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/08/2021] [Accepted: 01/11/2021] [Indexed: 12/13/2022] Open
Abstract
The WNT pathway is one of the major signaling cascades frequently deregulated in human cancer. While research had initially focused on signal transduction centered on β-catenin as a key effector activating a pro-tumorigenic transcriptional response, nowadays it is known that WNT ligands can also induce a multitude of β-catenin-independent cellular pathways. Traditionally, these comprise WNT/planar cell polarity (PCP) and WNT/Ca2+ signaling. In addition, signaling via the receptor tyrosine kinase-like orphan receptors (RORs) has gained increasing attention in cancer research due to their overexpression in a multitude of tumor entities. Active WNT/ROR signaling has been linked to processes driving tumor development and progression, such as cell proliferation, survival, invasion, or therapy resistance. In adult tissue, the RORs are largely absent, which has spiked the interest in them for targeted cancer therapy. Promising results in preclinical and initial clinical studies are beginning to unravel the great potential of such treatment approaches. In this review, we summarize seminal findings on the structure and expression of the RORs in cancer, their downstream signaling, and its output in regard to tumor cell function. Furthermore, we present the current clinical anti-ROR treatment strategies and discuss the state-of-the-art, as well as the challenges of the different approaches.
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Affiliation(s)
- Kerstin Menck
- Department of Medicine A, Hematology, Oncology, and Pneumology, University Hospital Münster, 48149 Münster, Germany; (K.M.); (S.H.); (C.B.)
- West German Cancer Center, University Hospital Münster, 48149 Münster, Germany
| | - Saskia Heinrichs
- Department of Medicine A, Hematology, Oncology, and Pneumology, University Hospital Münster, 48149 Münster, Germany; (K.M.); (S.H.); (C.B.)
- West German Cancer Center, University Hospital Münster, 48149 Münster, Germany
| | - Cornelia Baden
- Department of Medicine A, Hematology, Oncology, and Pneumology, University Hospital Münster, 48149 Münster, Germany; (K.M.); (S.H.); (C.B.)
- West German Cancer Center, University Hospital Münster, 48149 Münster, Germany
| | - Annalen Bleckmann
- Department of Medicine A, Hematology, Oncology, and Pneumology, University Hospital Münster, 48149 Münster, Germany; (K.M.); (S.H.); (C.B.)
- West German Cancer Center, University Hospital Münster, 48149 Münster, Germany
- Department of Hematology/Medical Oncology, University Medical Center Göttingen, 37099 Göttingen, Germany
- Correspondence: ; Tel.: +49-0251-8352712
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32
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Mesaros O, Jimbu L, Neaga A, Popescu C, Berceanu I, Tomuleasa C, Fetica B, Zdrenghea M. Macrophage Polarization in Chronic Lymphocytic Leukemia: Nurse-Like Cells Are the Caretakers of Leukemic Cells. Biomedicines 2020; 8:biomedicines8110516. [PMID: 33228048 PMCID: PMC7699370 DOI: 10.3390/biomedicines8110516] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 11/09/2020] [Accepted: 11/17/2020] [Indexed: 02/07/2023] Open
Abstract
Macrophages are terminally differentiated innate immune cells. Through their activation, they can be polarized towards the pro-inflammatory M1 type or the wound healing-associated, anti-inflammatory M2 type macrophages. In the tumor microenvironment (TME), M2 is the dominant phenotype and these cells are referred to as tumor-associated macrophages (TAMs). TAMs secrete cytokines and chemokines, exerting an antiapoptotic, proliferative and pro-metastatic effect on the tumor cells. TAMs can be found in many cancers, including chronic lymphocytic leukemia (CLL), where they are called nurse-like cells (NLCs). Despite the generally indolent behavior of CLL, the proportion of treatment-refractory patients is significant. As with the majority of cancers, despite significant recent progress, CLL pathogenesis is poorly understood. The emerging role of the TME in nurturing the neoplastic process warrants the investigation of macrophages as a significant pathogenetic element of tumors. In this paper, we review the current knowledge on the role of stromal macrophages in CLL.
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Affiliation(s)
- Oana Mesaros
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Babes str., 400012 Cluj-Napoca, Romania; (L.J.); (A.N.); (C.P.); (C.T.); (M.Z.)
- Department of Hematology, Ion Chiricuta Oncology Institute, 34-36 Republicii Street, 400015 Cluj-Napoca, Romania; (I.B.); (B.F.)
- Correspondence: ; Tel.: +40-741-237-703
| | - Laura Jimbu
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Babes str., 400012 Cluj-Napoca, Romania; (L.J.); (A.N.); (C.P.); (C.T.); (M.Z.)
- Department of Hematology, Ion Chiricuta Oncology Institute, 34-36 Republicii Street, 400015 Cluj-Napoca, Romania; (I.B.); (B.F.)
| | - Alexandra Neaga
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Babes str., 400012 Cluj-Napoca, Romania; (L.J.); (A.N.); (C.P.); (C.T.); (M.Z.)
| | - Cristian Popescu
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Babes str., 400012 Cluj-Napoca, Romania; (L.J.); (A.N.); (C.P.); (C.T.); (M.Z.)
- Department of Infectious Diseases, County Emergency Hospital Alba Iulia, 20 Decebal str., 510093 Alba-Iulia, Romania
| | - Iulia Berceanu
- Department of Hematology, Ion Chiricuta Oncology Institute, 34-36 Republicii Street, 400015 Cluj-Napoca, Romania; (I.B.); (B.F.)
| | - Ciprian Tomuleasa
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Babes str., 400012 Cluj-Napoca, Romania; (L.J.); (A.N.); (C.P.); (C.T.); (M.Z.)
- Department of Hematology, Ion Chiricuta Oncology Institute, 34-36 Republicii Street, 400015 Cluj-Napoca, Romania; (I.B.); (B.F.)
| | - Bogdan Fetica
- Department of Hematology, Ion Chiricuta Oncology Institute, 34-36 Republicii Street, 400015 Cluj-Napoca, Romania; (I.B.); (B.F.)
| | - Mihnea Zdrenghea
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Babes str., 400012 Cluj-Napoca, Romania; (L.J.); (A.N.); (C.P.); (C.T.); (M.Z.)
- Department of Hematology, Ion Chiricuta Oncology Institute, 34-36 Republicii Street, 400015 Cluj-Napoca, Romania; (I.B.); (B.F.)
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Abstract
Wnt molecules play crucial roles in development and adult homeostasis through their receptors Frizzled proteins (Fzds). Fzds mediate canonical β-catenin pathway and various noncanonical β-catenin-independent pathways. Aberrant Fzd signaling is involved in many diseases including cancer. Wnt/β-catenin is a well-established oncogenic pathway involved in almost every aspect of tumor development. However, Fzd-mediated noncanonical Wnt pathways function as both tumor promoters and tumor suppressors depending on cellular context. Fzd-targeted therapies have proven to be effective on cultured tumor cells, tumor cell xenografts, mouse tumor models, and patient-derived xenografts (PDX). Moreover, Fzd-targeted therapies synergize with chemotherapy in preclinical models. However, the occurrence of fragility fractures in patients treated with Fzd-targeted agents such as OMP-54F28 and OMP-18R5 limits the development of this combination. Along with new insights on signaling, roles, and modulation mechanisms of Fzds in human tumors, more Fzd-related therapeutic targets will be developed.
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Affiliation(s)
- Yu Sun
- Department of Pathophysiology, College of Basic Medical Science, China Medical UniversityShenyangP.R. China
| | - Wei Wang
- Department of Pathophysiology, College of Basic Medical Science, China Medical UniversityShenyangP.R. China
| | - Chenghai Zhao
- Department of Pathophysiology, College of Basic Medical Science, China Medical UniversityShenyangP.R. China
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Abstract
INTRODUCTION Mantle cell lymphoma (MCL) is a chronically relapsing B-cell non-Hodgkin lymphoma characterized by recurrent molecular-cytogenetic aberrations that lead to deregulation of DNA damage response, cell cycle progression, epigenetics, apoptosis, proliferation, and motility. In the last 10 years, clinical approval of several innovative drugs dramatically changed the landscape of treatment options in the relapsed/refractory (R/R) MCL, which translated into significantly improved survival parameters. AREAS COVERED Here, up-to-date knowledge on the biology of MCL together with currently approved and clinically tested frontline and salvage therapies are reviewed. In addition, novel therapeutic targets in MCL based on the scientific reports published in Pubmed are discussed. EXPERT OPINION Bruton tyrosine-kinase inhibitors, NFkappaB inhibitors, BCL2 inhibitors, and immunomodulary agents in combination with monoclonal antibodies and genotoxic drugs have the potential to induce long-term remissions in majority of newly diagnosed MCL patients. Several other classes of anti-tumor drugs including phosphoinositole-3-kinase, cyclin-dependent kinase or DNA damage response kinase inhibitors have demonstrated promising anti-lymphoma efficacy in R/R MCL. Most importantly, adoptive immunotherapy with genetically modified T-cells carrying chimeric antigen receptor represents a potentially curative treatment approach even in the patients with chemotherapy and ibrutinib-refractory disease.
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Affiliation(s)
- Pavel Klener
- First Department of Internal Medicine- Hematology, University General Hospital and First Faculty of Medicine, Charles University , Prague, Czech Republic.,Institute of Pathological Physiology, First Faculty of Medicine, Charles University , Prague, Czech Republic
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Abstract
Despite a prevailing view that advances in cancer therapy will come through selective targeting of enzymes encoded by mutated oncogenes responsible for the neoplastic phenotype, recent advances in the treatment of patients with chronic lymphocytic leukemia (CLL) have instead exploited knowledge of its biology. Indeed, CLL cells depend on interactions with cells and soluble factors present in the tumor microenvironment for proliferation and survival. B-cell receptor signaling and chemokine-receptor signaling play prominent roles. Elucidation of these signaling pathways has defined physiologic targets for drugs, such as ibrutinib, which inhibit Bruton tyrosine kinase and are therapeutically effective. The characteristic high-level expression of BCL2 in CLL that can enhance leukemia-cell survival has now become an Achilles heel targeted by clinically effective drugs such as venetoclax. Here we discuss advances in such targeted therapy and highlight other disease attributes, such as the distinctive expression of ROR1, which may be targeted for clinical benefit, alone or in combination with other targeted therapies.
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Mastelaro de Rezende M, Zenker Justo G, Julian Paredes-Gamero E, Gosens R. Wnt-5A/B Signaling in Hematopoiesis throughout Life. Cells 2020; 9:cells9081801. [PMID: 32751131 PMCID: PMC7465103 DOI: 10.3390/cells9081801] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 07/21/2020] [Accepted: 07/23/2020] [Indexed: 02/08/2023] Open
Abstract
Wnt signaling is well-known to play major roles in the hematopoietic system, from embryogenesis to aging and disease. In addition to the main β-catenin-dependent pathway, it is now clear that Wnt5a and the structurally related Wnt5b are essential for hematopoiesis, bone marrow colonization and the final steps of hematopoietic stem cell (HSC) maturation via β-catenin-independent signaling. Wnt5a and Wnt5b ligands prevent hematopoietic exhaustion (by maintaining quiescent, long-term HSCs), induce the proliferation of progenitors, and guide myeloid development, in addition to being involved in the development of aging-related alterations. The aim of this review is to summarize the current knowledge on these roles of Wnt5a and Wn5b signaling in the hematopoietic field.
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Affiliation(s)
- Marina Mastelaro de Rezende
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04044-020, Brazil; (M.M.d.R.); (G.Z.J.); (E.J.P.-G.)
- Department of Molecular Pharmacology, University of Groningen, Groningen 9713 AV, The Netherlands
| | - Giselle Zenker Justo
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04044-020, Brazil; (M.M.d.R.); (G.Z.J.); (E.J.P.-G.)
- Departamento de Ciências Farmacêuticas, Universidade Federal de São Paulo (UNIFESP), Diadema 09913-030, Brazil
| | - Edgar Julian Paredes-Gamero
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04044-020, Brazil; (M.M.d.R.); (G.Z.J.); (E.J.P.-G.)
- Faculdade de Ciências Farmacêuticas, Universidade Federal de Mato Grosso do Sul, Campo Grande 79070-900, Brazil
| | - Reinoud Gosens
- Department of Molecular Pharmacology, University of Groningen, Groningen 9713 AV, The Netherlands
- Correspondence: ; Tel.: +31-50363-8177
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Iskierka-Jażdżewska E, Robak T. Investigational treatments for chronic lymphocytic leukemia: a focus on phase 1 and 2 clinical trials. Expert Opin Investig Drugs 2020; 29:709-722. [PMID: 32407139 DOI: 10.1080/13543784.2020.1770225] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Introduction: During recent years, the introduction of novel drugs, particularly small molecule inhibitors, has led to remarkable progress in both previously untreated and relapsed/refractory (RR) patients in chronic lymphocytic leukemia (CLL). However, further research is necessary to find an optimal cure that responds to the individual needs of the patient. Areas covered: This review discusses new agents in phase 1 and 2 clinical trials currently underway in CLL patients. A literature review of the MEDLINE database for articles in English concerning novel drugs, clinical trials, phase 1, phase 2 and CLL was conducted via PubMed. Publications from 2000 through January 2020 were scrutinized. Conference proceedings from the previous five years of the American Society of Hematology, European Hematology Association and American Society of Clinical Oncology were searched manually. Additional relevant publications were obtained by reviewing the references from the chosen articles. The search also included clinical trials registered in clinicaltrials.gov. Expert opinion: The use of BTK and PI3Kδ inhibitors and BCL-2 antagonist have changed the treatment strategy of CLL. Several clinical trials with novel, unapproved agents are currently ongoing. Their findings should define the role of these novel drugs in the treatment of patients with previously untreated and RR CLL.
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Affiliation(s)
| | - Tadeusz Robak
- Department of Hematology, Copernicus Memorial Hospital, Lodz, Medical University of Lodz , Lodz, Poland
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Shen C, Liu J, Wang J, Zhong X, Dong D, Yang X, Wang Y. Development and validation of a prognostic immune-associated gene signature in clear cell renal cell carcinoma. Int Immunopharmacol 2020; 81:106274. [PMID: 32044664 DOI: 10.1016/j.intimp.2020.106274] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 01/30/2020] [Accepted: 01/31/2020] [Indexed: 11/18/2022]
Abstract
BACKGROUND Recent studies have demonstrated that immune-associated genes (IAGs) play an important role in the occurrence and progression of clear renal clear cell carcinoma (ccRCC). Novel biomarkers and a reliable prognostic prediction model for ccRCC patients are still limited. The objective of this study was to develop a IAGs signature and validate its prognostic value in ccRCC using bioinformatic methods and publicly database. METHODS In the present study, we identified differentially expressed IAGs in ccRCC based on The Cancer Genome Atlas (TCGA) database. A prognostic IAGs risk model was further developed and its prognostic and predictive value was evaluated by survival analysis and nomogram. RESULTS A total of 681 differentially expressed IAGs were identified and seven IAGs (IFI30, WNT5A, IRF9, AGER, PLAUR, TEK, BID) were finally selected in a IAGs signature. Survival analysis revealed that high IAGs risk scores were significantly related to poor survival outcomes. The IAGs signature was demonstrated as an independent prognostic factor and closely related to the metastasis status of ccRCC. A nomogram with clinicopathologic characteristics and IAGs signature was also constructed to superiorly predict prognosis of ccRCC patients. CONCLUSIONS We identified seven IAGs as a potential signature for reflecting the prognosis of ccRCC based on TCGA database. Further clinical trials are needed to validate our observations and the mechanisms underlying the prognostic value of IAGs signature in ccRCC also deserve further experimental exploration.
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Affiliation(s)
- Chengquan Shen
- Department of Urology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Jing Liu
- Department of Research Management and International Cooperation, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Jirong Wang
- Department of Urology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Xiulong Zhong
- Department of Urology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Dahai Dong
- Department of Urology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Xiaokun Yang
- Department of Urology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.
| | - Yonghua Wang
- Department of Urology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.
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