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Romaniuk-Drapała A, Totoń E, Taube M, Idzik M, Rubiś B, Lisiak N. Breast Cancer Stem Cells and Tumor Heterogeneity: Characteristics and Therapeutic Strategies. Cancers (Basel) 2024; 16:2481. [PMID: 39001543 PMCID: PMC11240630 DOI: 10.3390/cancers16132481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 06/27/2024] [Accepted: 07/05/2024] [Indexed: 07/16/2024] Open
Abstract
Breast cancer is one of the most frequently detected malignancies worldwide. It is responsible for more than 15% of all death cases caused by cancer in women. Breast cancer is a heterogeneous disease representing various histological types, molecular characteristics, and clinical profiles. However, all breast cancers are organized in a hierarchy of heterogeneous cell populations, with a small proportion of cancer stem cells (breast cancer stem cells (BCSCs)) playing a putative role in cancer progression, and they are responsible for therapeutic failure. In different molecular subtypes of breast cancer, they present different characteristics, with specific marker profiles, prognoses, and treatments. Recent efforts have focused on tackling the Wnt, Notch, Hedgehog, PI3K/Akt/mTOR, and HER2 signaling pathways. Developing diagnostics and therapeutic strategies enables more efficient elimination of the tumor mass together with the stem cell population. Thus, the knowledge about appropriate therapeutic methods targeting both "normal" breast cancer cells and breast cancer stem cell subpopulations is crucial for success in cancer elimination.
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Affiliation(s)
- Aleksandra Romaniuk-Drapała
- Department of Clinical Chemistry and Molecular Diagnostics, Poznan University of Medical Sciences, Collegium Pharmaceuticum, Rokietnicka Str. 3, 60-806 Poznan, Poland
| | - Ewa Totoń
- Department of Clinical Chemistry and Molecular Diagnostics, Poznan University of Medical Sciences, Collegium Pharmaceuticum, Rokietnicka Str. 3, 60-806 Poznan, Poland
| | - Magdalena Taube
- Department of Clinical Chemistry and Molecular Diagnostics, Poznan University of Medical Sciences, Collegium Pharmaceuticum, Rokietnicka Str. 3, 60-806 Poznan, Poland
| | - Malgorzata Idzik
- Department of Clinical Chemistry and Molecular Diagnostics, Poznan University of Medical Sciences, Collegium Pharmaceuticum, Rokietnicka Str. 3, 60-806 Poznan, Poland
| | - Błażej Rubiś
- Department of Clinical Chemistry and Molecular Diagnostics, Poznan University of Medical Sciences, Collegium Pharmaceuticum, Rokietnicka Str. 3, 60-806 Poznan, Poland
| | - Natalia Lisiak
- Department of Clinical Chemistry and Molecular Diagnostics, Poznan University of Medical Sciences, Collegium Pharmaceuticum, Rokietnicka Str. 3, 60-806 Poznan, Poland
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Hossain F, Ucar DA, Monticone G, Ran Y, Majumder S, Larter K, Luu H, Wyczechowska D, Heidari S, Xu K, Shanthalingam S, Matossian M, Xi Y, Burow M, Collins-Burow B, Del Valle L, Hicks C, Zabaleta J, Golde T, Osborne B, Miele L. Sulindac sulfide as a non-immune suppressive γ-secretase modulator to target triple-negative breast cancer. Front Immunol 2023; 14:1244159. [PMID: 37901240 PMCID: PMC10612326 DOI: 10.3389/fimmu.2023.1244159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 09/18/2023] [Indexed: 10/31/2023] Open
Abstract
Introduction Triple-negative breast cancer (TNBC) comprises a heterogeneous group of clinically aggressive tumors with high risk of recurrence and metastasis. Current pharmacological treatment options remain largely limited to chemotherapy. Despite promising results, the efficacy of immunotherapy and chemo-immunotherapy in TNBC remains limited. There is strong evidence supporting the involvement of Notch signaling in TNBC progression. Expression of Notch1 and its ligand Jagged1 correlate with poor prognosis. Notch inhibitors, including g-secretase inhibitors (GSIs), are quite effective in preclinical models of TNBC. However, the success of GSIs in clinical trials has been limited by their intestinal toxicity and potential for adverse immunological effects, since Notch plays key roles in T-cell activation, including CD8 T-cells in tumors. Our overarching goal is to replace GSIs with agents that lack their systemic toxicity and ideally, do not affect tumor immunity. We identified sulindac sulfide (SS), the active metabolite of FDA-approved NSAID sulindac, as a potential candidate to replace GSIs. Methods We investigated the pharmacological and immunotherapeutic properties of SS in TNBC models in vitro, ex-vivo and in vivo. Results We confirmed that SS, a known γ-secretase modulator (GSM), inhibits Notch1 cleavage in TNBC cells. SS significantly inhibited mammosphere growth in all human and murine TNBC models tested. In a transplantable mouse TNBC tumor model (C0321), SS had remarkable single-agent anti-tumor activity and eliminated Notch1 protein expression in tumors. Importantly, SS did not inhibit Notch cleavage in T- cells, and the anti-tumor effects of SS were significantly enhanced when combined with a-PD1 immunotherapy in our TNBC organoids and in vivo. Discussion Our data support further investigation of SS for the treatment of TNBC, in conjunction with chemo- or -chemo-immunotherapy. Repurposing an FDA-approved, safe agent for the treatment of TNBC may be a cost-effective, rapidly deployable therapeutic option for a patient population in need of more effective therapies.
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Affiliation(s)
- Fokhrul Hossain
- Department of Genetics, Louisiana State University Health Sciences Center, New Orleans (LSUHSC-NO), New Orleans, LA, United States
| | - Deniz A. Ucar
- Department of Genetics, Louisiana State University Health Sciences Center, New Orleans (LSUHSC-NO), New Orleans, LA, United States
| | - Giulia Monticone
- Department of Genetics, Louisiana State University Health Sciences Center, New Orleans (LSUHSC-NO), New Orleans, LA, United States
| | - Yong Ran
- Department of Pharmacological and Chemical Biology, Emory University, Atlanta, GA, United States
| | - Samarpan Majumder
- Department of Genetics, Louisiana State University Health Sciences Center, New Orleans (LSUHSC-NO), New Orleans, LA, United States
| | - Kristina Larter
- Department of Genetics, Louisiana State University Health Sciences Center, New Orleans (LSUHSC-NO), New Orleans, LA, United States
| | - Hanh Luu
- Department of Genetics, Louisiana State University Health Sciences Center, New Orleans (LSUHSC-NO), New Orleans, LA, United States
| | - Dorota Wyczechowska
- Department of Interdisciplinary Oncology, LSUHSC-NO, New Orleans, LA, United States
| | - Soroor Heidari
- Department of Genetics, Louisiana State University Health Sciences Center, New Orleans (LSUHSC-NO), New Orleans, LA, United States
| | - Keli Xu
- Department of Neurobiology and Anatomical Sciences, University of Mississippi Medical Center, Jackson, MS, United States
| | - Sudarvili Shanthalingam
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, United States
| | | | - Yaguang Xi
- Department of Genetics, Louisiana State University Health Sciences Center, New Orleans (LSUHSC-NO), New Orleans, LA, United States
| | - Matthew Burow
- School of Medicine, Tulane University, New Orleans, LA, United States
| | | | - Luis Del Valle
- Department of Interdisciplinary Oncology, LSUHSC-NO, New Orleans, LA, United States
- Department of Pathology, Louisiana State University Health Sciences Center - New Orleans (LSUHSC-NO), New Orleans, LA, United States
| | - Chindo Hicks
- Department of Genetics, Louisiana State University Health Sciences Center, New Orleans (LSUHSC-NO), New Orleans, LA, United States
| | - Jovanny Zabaleta
- Department of Interdisciplinary Oncology, LSUHSC-NO, New Orleans, LA, United States
| | - Todd Golde
- Department of Pharmacological and Chemical Biology, Emory University, Atlanta, GA, United States
| | - Barbara Osborne
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, United States
| | - Lucio Miele
- Department of Genetics, Louisiana State University Health Sciences Center, New Orleans (LSUHSC-NO), New Orleans, LA, United States
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Sen P, Ghosh SS. The Intricate Notch Signaling Dynamics in Therapeutic Realms of Cancer. ACS Pharmacol Transl Sci 2023; 6:651-670. [PMID: 37200816 PMCID: PMC10186364 DOI: 10.1021/acsptsci.2c00239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Indexed: 05/20/2023]
Abstract
The Notch pathway is remarkably simple without the interventions of secondary messengers. It possesses a unique receptor-ligand interaction that imparts signaling upon cleavage of the receptor followed by the nuclear localization of its cleaved intracellular domain. It is found that the transcriptional regulator of the Notch pathway lies at the intersection of multiple signaling pathways that enhance the aggressiveness of cancer. The preclinical and clinical evidence supports the pro-oncogenic function of Notch signaling in various tumor subtypes. Owing to its oncogenic role, the Notch signaling pathway assists in enhanced tumorigenesis by facilitating angiogenesis, drug resistance, epithelial to mesenchymal transition, etc., which is also attributed to the poor outcome in patients. Therefore, it is extremely vital to discover a suitable inhibitor to downregulate the signal-transducing ability of Notch. The Notch inhibitory agents, such as receptor decoys, protease (ADAM and γ-secretase) inhibitors, and monoclonal/bispecific antibodies, are being investigated as candidate therapeutic agents. Studies conducted by our group exemplify the promising results in ablating tumorigenic aggressiveness by inhibiting the constituents of the Notch pathway. This review deals with the detailed mechanism of the Notch pathways and their implications in various malignancies. It also bestows us with the recent therapeutic advances concerning Notch signaling in the context of monotherapy and combination therapy.
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Affiliation(s)
- Plaboni Sen
- Department
of Biosciences and Bioengineering, Indian
Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Siddhartha Sankar Ghosh
- Department
of Biosciences and Bioengineering, Indian
Institute of Technology Guwahati, Guwahati 781039, Assam, India
- Centre
for Nanotechnology, Indian Institute of
Technology Guwahati, Guwahati 781039, Assam, India
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Verstappe J, Berx G. A role for partial epithelial-to-mesenchymal transition in enabling stemness in homeostasis and cancer. Semin Cancer Biol 2023; 90:15-28. [PMID: 36773819 DOI: 10.1016/j.semcancer.2023.02.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 01/19/2023] [Accepted: 02/02/2023] [Indexed: 02/12/2023]
Abstract
Stem cells have self-renewal capacities and the ability to give rise to differentiated cells thereby sustaining tissues during homeostasis and injury. This structural hierarchy extends to tumours which harbor stem-like cells deemed cancer stem cells that propagate the tumour and drive metastasis and relapse. The process of epithelial-to-mesenchymal transition (EMT), which plays an important role in development and cancer cell migration, was shown to be correlated with stemness in both homeostasis and cancer indicating that stemness can be acquired and is not necessarily an intrinsic trait. Nowadays it is experimentally proven that the activation of an EMT program does not necessarily drive cells towards a fully mesenchymal phenotype but rather to hybrid E/M states. This review offers the latest advances in connecting the EMT status and stem-cell state of both non-transformed and cancer cells. Recent literature clearly shows that hybrid EMT states have a higher probability of acquiring stem cell traits. The position of a cell along the EMT-axis which coincides with a stem cell-like state is known as the stemness window. We show how the original EMT-state of a cell dictates the EMT/MET inducing programmes required to reach stemness. Lastly we present the mechanism of stemness regulation and the regulatory feedback loops which position cells at a certain EMT state along the EMT axis.
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Affiliation(s)
- Jeroen Verstappe
- Molecular and Cellular Oncology Laboratory, Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium; Cancer Research Institute Ghent (CRIG), Ghent, Belgium
| | - Geert Berx
- Molecular and Cellular Oncology Laboratory, Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium; Cancer Research Institute Ghent (CRIG), Ghent, Belgium.
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Sun L, Qiu Y, Ching WK, Zhao P, Zou Q. PCB: A pseudotemporal causality-based Bayesian approach to identify EMT-associated regulatory relationships of AS events and RBPs during breast cancer progression. PLoS Comput Biol 2023; 19:e1010939. [PMID: 36930678 PMCID: PMC10057809 DOI: 10.1371/journal.pcbi.1010939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 03/29/2023] [Accepted: 02/09/2023] [Indexed: 03/18/2023] Open
Abstract
During breast cancer metastasis, the developmental process epithelial-mesenchymal (EM) transition is abnormally activated. Transcriptional regulatory networks controlling EM transition are well-studied; however, alternative RNA splicing also plays a critical regulatory role during this process. Alternative splicing was proved to control the EM transition process, and RNA-binding proteins were determined to regulate alternative splicing. A comprehensive understanding of alternative splicing and the RNA-binding proteins that regulate it during EM transition and their dynamic impact on breast cancer remains largely unknown. To accurately study the dynamic regulatory relationships, time-series data of the EM transition process are essential. However, only cross-sectional data of epithelial and mesenchymal specimens are available. Therefore, we developed a pseudotemporal causality-based Bayesian (PCB) approach to infer the dynamic regulatory relationships between alternative splicing events and RNA-binding proteins. Our study sheds light on facilitating the regulatory network-based approach to identify key RNA-binding proteins or target alternative splicing events for the diagnosis or treatment of cancers. The data and code for PCB are available at: http://hkumath.hku.hk/~wkc/PCB(data+code).zip.
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Affiliation(s)
- Liangjie Sun
- Department of Mathematics, The University of Hong Kong, Hong Kong, China
| | - Yushan Qiu
- College of Mathematics and Statistics, Shenzhen University, Shenzhen, China
- * E-mail:
| | - Wai-Ki Ching
- Department of Mathematics, The University of Hong Kong, Hong Kong, China
| | - Pu Zhao
- College of Life and Health Sciences, Northeastern University, Shenyang, China
| | - Quan Zou
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, China
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Guo Y, Chen X, Zhang X, Hu X. UBE2S and UBE2C confer a poor prognosis to breast cancer via downregulation of Numb. Front Oncol 2023; 13:992233. [PMID: 36860312 PMCID: PMC9969189 DOI: 10.3389/fonc.2023.992233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 01/27/2023] [Indexed: 02/15/2023] Open
Abstract
Purpose Ubiquitin-conjugating enzymes E2S (UBE2S) and E2C (UBE2C), which mediate the biological process of ubiquitination, have been widely reported in various cancers. Numb, the cell fate determinant and tumor suppressor, was also involved in ubiquitination and proteasomal degradation. However, the interaction between UBE2S/UBE2C and Numb and their roles in the clinical outcome of breast cancer (BC) are not widely elucidated. Methods Oncomine, Cancer Cell Line Encyclopedia (CCLE), the Human Protein Atlas (HPA) database, qRT-PCR, and Western blot analyses were utilized to analyze UBE2S/UBE2C and Numb expression in various cancer types and their respective normal controls, breast cancer tissues, and breast cancer cell lines. The expression of UBE2S, UBE2C, and Numb in BC patients with different ER, PR, and HER2 status, grades, stages, and survival status was compared. By Kaplan-Meier plotter, we further evaluated the prognostic value of UBE2S, UBE2C, and Numb in BC patients. We also explored the potential regulatory mechanisms underlying UBE2S/UBE2C and Numb through overexpression and knockdown experiments in BC cell lines and performed growth and colony formation assays to assess cell malignancy. Results In this study, we showed that UBE2S and UBE2C were overexpressed while Numb was downregulated in BC, and in BC of higher grade, stage, and poor survival. Compared to hormone receptor negative (HR-) BC cell lines or tissues, HR+ BC demonstrated lower UBE2S/UBE2C and higher Numb, corresponding to better survival. We also showed that increased UBE2S/UBE2C and reduced Numb predicted poor prognosis in BC patients, as well as in ER+ BC patients. In BC cell lines, UBE2S/UBE2C overexpression decreased the level of Numb and enhanced cell malignancy, while knocking down UBE2S/UBE2C demonstrated the opposite effects. Conclusion UBE2S and UBE2C downregulated Numb and enhanced BC malignancy. The combination of UBE2S/UBE2C and Numb could potentially serve as novel biomarkers for BC.
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Affiliation(s)
- Yanjing Guo
- Department of Head and Neck Tumors and Neuroendocrine Tumors, Fudan University Shanghai Cancer Center, Shanghai, China,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China,*Correspondence: Xiaowei Zhang, ; Xichun Hu, ; Yanjing Guo,
| | - Xinyu Chen
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China,Department of Breast cancer and Urological Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Xiaowei Zhang
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China,Department of Gastrointestinal Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China,*Correspondence: Xiaowei Zhang, ; Xichun Hu, ; Yanjing Guo,
| | - Xichun Hu
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China,Department of Breast cancer and Urological Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China,*Correspondence: Xiaowei Zhang, ; Xichun Hu, ; Yanjing Guo,
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The Multitasker Protein: A Look at the Multiple Capabilities of NUMB. Cells 2023; 12:cells12020333. [PMID: 36672267 PMCID: PMC9856935 DOI: 10.3390/cells12020333] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/08/2023] [Accepted: 01/13/2023] [Indexed: 01/18/2023] Open
Abstract
NUMB, a plasma membrane-associated protein originally described in Drosophila, is involved in determining cell function and fate during early stages of development. It is secreted asymmetrically in dividing cells, with one daughter cell inheriting NUMB and the other inheriting its antagonist, NOTCH. NUMB has been proposed as a polarizing agent and has multiple functions, including endocytosis and serving as an adaptor in various cellular pathways such as NOTCH, Hedgehog, and the P53-MDM2 axis. Due to its role in maintaining cellular homeostasis, it has been suggested that NUMB may be involved in various human pathologies such as cancer and Alzheimer's disease. Further research on NUMB could aid in understanding disease mechanisms and advancing the field of personalized medicine and the development of new therapies.
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ACBD3 Bioinformatic Analysis and Protein Expression in Breast Cancer Cells. Int J Mol Sci 2022; 23:ijms23168881. [PMID: 36012147 PMCID: PMC9408326 DOI: 10.3390/ijms23168881] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/28/2022] [Accepted: 08/02/2022] [Indexed: 11/16/2022] Open
Abstract
ACBD3 overexpression has previously been found to correlate with worse prognosis for breast cancer patients and, as an incredibly diverse protein in both function and cellular localisation, ACBD3 may have a larger role in breast cancer than previously thought. This study further investigated ACBD3′s role in breast cancer. Bioinformatic databases were queried to characterise ACBD3 expression and mutation in breast cancer and to investigate how overexpression affects breast cancer patient outcomes. Immunohistochemistry was carried out to examine ACBD3 location within cells and tissue structures. ACBD3 was more highly expressed in breast cancer than in any other cancer or matched normal tissue, and expression over the median level resulted in reduced relapse-free, overall, and distant metastasis-free survival for breast cancer patients as a whole, with some differences observed between subtypes. IHC analysis found that ACBD3 levels varied based on hormone receptor status, indicating that ACBD3 could be a candidate biomarker for poor patient prognosis in breast cancer and may possibly be a biomarker for ER signal reprogramming of precancerous breast tissue.
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Fultang N, Chakraborty M, Peethambaran B. Regulation of cancer stem cells in triple negative breast cancer. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2022; 4:321-342. [PMID: 35582030 PMCID: PMC9019272 DOI: 10.20517/cdr.2020.106] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/28/2020] [Accepted: 01/06/2021] [Indexed: 12/13/2022]
Abstract
Triple Negative Breast Cancer (TNBC) is the most lethal subtype of breast cancer. Despite the successes of emerging targeted therapies, relapse, recurrence, and therapy failure rates in TNBC significantly outpace other subtypes of breast cancer. Mounting evidence suggests accumulation of therapy resistant Cancer Stem Cell (CSC) populations within TNBCs contributes to poor clinical outcomes. These CSCs are enriched in TNBC compared to non-TNBC breast cancers. The mechanisms underlying CSC accumulation have been well-characterized and discussed in other reviews. In this review, we focus on TNBC-specific mechanisms that allow the expansion and activity of self-renewing CSCs. We highlight cellular signaling pathways and transcription factors, specifically enriched in TNBC over non-TNBC breast cancer, contributing to stemness. We also analyze publicly available single-cell RNA-seq data from basal breast cancer tumors to highlight the potential of emerging bioinformatic approaches in identifying novel drivers of stemness in TNBC and other cancers.
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Affiliation(s)
- Norman Fultang
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA 19140, USA
| | - Madhuparna Chakraborty
- Department of Biological Sciences, The University of the Sciences, Philadelphia, PA 19140, USA
| | - Bela Peethambaran
- Department of Biological Sciences, The University of the Sciences, Philadelphia, PA 19140, USA
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Qin X, Cao Y. Prognostic Biomarker NUMB Is Inhibited by Breast Cancer Cell Exosomes to Promote Breast Cancer Progression. J Immunol Res 2022; 2022:6032076. [PMID: 35478938 PMCID: PMC9038436 DOI: 10.1155/2022/6032076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 03/29/2022] [Accepted: 03/31/2022] [Indexed: 11/18/2022] Open
Abstract
Objective To clarify the regulation of breast cancer cell-derived exosomes on breast cancer and the expression of the NUMB endocytic adaptor protein (NUMB) protein. Methods The exosomes of breast cancer cell line MDA-MB-231 were isolated. The exosomes were subsequently labeled with PKH67 and added to breast cancer MDA-MB-231 cells cultured in vitro. Transwell and clone formation assays were performed to detect cell migration, invasion, and clone formation. Meanwhile, Western blot and qPCR were conducted to determine the regulation of NUMB expression by exosomes in breast cancer cells. Furthermore, NUMB overexpressed lentivirus was supplemented to validate the recovery. Results The number of migrating and invasive breast cancer cells in the exosome-treated group was significantly increased compared with the control group. Moreover, the number of breast cancer cell clones in the exosome-treated group was increased than in the control group. However, the NUMB expression in breast cancer cells treated with exosomes revealed a substantial decrease, indicating that the exosomes of breast cancer cells could inhibit NUMB expression. NUMB overexpressed lentivirus supplementation markedly suppressed cell migration, invasion, and proliferation of breast cancer cells compared with exosome group. Conclusion Taken together, the exosomes of breast cancer cells could inhibit the expression of NUMB and promote the migration, invasion, and cell clone formation of breast cancer cells.
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Affiliation(s)
- Xue Qin
- School of Basic Medical Sciences, Chongqing Medical University, Chongqing 400016, China
| | - Youde Cao
- School of Basic Medical Sciences, Chongqing Medical University, Chongqing 400016, China
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Sheng W, Tang J, Cao R, Shi X, Ma Y, Dong M. Numb-PRRL promotes TGF-β1- and EGF-induced epithelial-to-mesenchymal transition in pancreatic cancer. Cell Death Dis 2022; 13:173. [PMID: 35197444 PMCID: PMC8866481 DOI: 10.1038/s41419-022-04609-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 01/18/2022] [Accepted: 02/01/2022] [Indexed: 01/10/2023]
Abstract
Isoform-specific functions of Numb in the development of cancers, especially in the initiation of epithelial-to-mesenchymal transition (EMT) remains controversial. We study the specific function of Numb-PRRL isoform in activated EMT of pancreatic ductal adenocarcinoma (PC), which is distinguished from our previous studies that only focused on the total Numb protein. Numb-PRRL isoform was specifically overexpressed and silenced in PC cells combining with TGF-β1 and EGF stimulus. We systematically explored the potential effect of Numb-PRRL in the activated EMT of PC in vitro and in vivo. The total Numb protein was overexpressed in the normal pancreatic duct and well-differentiated PC by IHC. However, Numb-PRRS isoform but not Numb-PRRL showed dominant expression in PC tissues. Numb-PRRL overexpression promoted TGF-β1-induced EMT in PANC-1 and Miapaca-2 cells. TGF-β1-induced EMT-like cell morphology, cell invasion, and migration were enhanced in Numb-PRRL overexpressing groups following the increase of N-cadherin, Vimentin, Smad2/3, Snail1, Snail2, and cleaved-Notch1 and the decrease of E-cadherin. Numb-PRRL overexpression activated TGFβ1-Smad2/3-Snail1 signaling was significantly reversed by the Notch1 inhibitor RO4929097. Conversely, Numb-PRRL silencing inhibited EGF-induced EMT in AsPC-1 and BxPC-3 cells following the activation of EGFR-ERK/MAPK signaling via phosphorylating EGFR at tyrosine 1045. In vivo, Numb-PRRL overexpression or silencing promoted or inhibited subcutaneous tumor size and distant liver metastases via regulating EMT and Snail signaling, respectively. Numb-PRRL promotes TGF-β1- and EGF-induced EMT in PC by regulating TGF-β1-Smad2/3-Snail and EGF-induced EGFR-ERK/MAPK signaling.
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Affiliation(s)
- Weiwei Sheng
- Department of Gastrointestinal Surgery, The First Hospital, China Medical University, 110001, Shenyang, Liaoning, China
| | - Jingtong Tang
- Department of Gastrointestinal Surgery, The First Hospital, China Medical University, 110001, Shenyang, Liaoning, China
| | - Rongxian Cao
- Department of Gastrointestinal Surgery, The First Hospital, China Medical University, 110001, Shenyang, Liaoning, China
| | - Xiaoyang Shi
- Department of Hernia and Abdominal Wall Surgery, Chaoyang Hospital, 100043, Beijing, China
| | - Yuteng Ma
- Department of Gastrointestinal Surgery, The First Hospital, China Medical University, 110001, Shenyang, Liaoning, China
| | - Ming Dong
- Department of Gastrointestinal Surgery, The First Hospital, China Medical University, 110001, Shenyang, Liaoning, China.
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Yang Y, Li L, He H, Shi M, He L, Liang S, Qi J, Chen W. Numb inhibits migration and promotes proliferation of colon cancer cells via RhoA/ROCK signaling pathway repression. Exp Cell Res 2022; 411:113004. [PMID: 34990618 DOI: 10.1016/j.yexcr.2021.113004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 12/28/2021] [Accepted: 12/29/2021] [Indexed: 01/06/2023]
Abstract
Numb regulates cell proliferation and differentiation through endocytosis and ubiquitination of signaling molecules. Besides, Numb controls the migration of epithelial cells by regulating intercellular junctions. Studies have shown that Numb promotes or inhibits tumor progression in different tumors. However, its role and mechanism in colorectal cancer remain unclear. We found that the expression level of Numb in colon tumor tissues has a great variety in different patients. Numb expression was negatively correlated with TNM stage and lymph node metastasis but positively correlated with tumor size. Elevated expression of Numb was associated with a good prognosis. Inhibiting Numb expression promoted the migration and invasion of colon cancer cells induced by TGF-β, up-regulated the expression of EMT-related molecule Snail, and prevented the expression of E-cadherin. We also found that Numb promoted the proliferation and clones formation while inhibiting colon cancer cells' late apoptosis. In addition, Numb inhibited the RhoA activation and ROCK inhibitor Y-27632 or interfered with ROCK expression, partially inhibiting Numb-regulated cell proliferation and migration. In vivo tumorigenesis assay in nude mice also found that Numb promoted the proliferation of colon cancer cells, inhibited the expression of E-cadherin, and strengthened the expression of Snail. In conclusion, our study found that Numb plays multiple roles in the occurrence and progression of colon cancer by regulating the RhoA/ROCK signaling pathway, which provides a new theoretical molecular basis for the pathogenesis of colon cancer.
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Affiliation(s)
- Yongtao Yang
- Department of Gastroenterology, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, 400030, People's Republic of China
| | - Lianyong Li
- Department of Gastroenterology, PLA Strategic Support Force Medical Center, Beijing, 100101, People's Republic of China
| | - Huan He
- Department of Gastroenterology, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, 400030, People's Republic of China
| | - Mengyang Shi
- Department of Gastroenterology, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, 400030, People's Republic of China
| | - Lanying He
- Department of Gastroenterology, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, 400030, People's Republic of China
| | - Shuwen Liang
- Department of Gastroenterology, PLA Strategic Support Force Medical Center, Beijing, 100101, People's Republic of China
| | - Jun Qi
- Department of Thoracic Surgery, Chongqing University Cancer Hospital, Chongqing, 400030, People's Republic of China.
| | - Weiqing Chen
- Department of Gastroenterology, Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, 400030, People's Republic of China.
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14
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Buyuk B, Jin S, Ye K. Epithelial-to-Mesenchymal Transition Signaling Pathways Responsible for Breast Cancer Metastasis. Cell Mol Bioeng 2022; 15:1-13. [PMID: 35096183 PMCID: PMC8761190 DOI: 10.1007/s12195-021-00694-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 07/22/2021] [Indexed: 02/06/2023] Open
Abstract
Breast carcinoma is highly metastatic and invasive. Tumor metastasis is a convoluted and multistep process involving tumor cell disseminating from their primary site and migrating to the secondary organ. Epithelial-mesenchymal transition (EMT) is one of the crucial steps that initiate cell progression, invasion, and metastasis. During EMT, epithelial cells alter their molecular features and acquire a mesenchymal phenotype. The regulation of EMT is centered by several signaling pathways, including primary mediators TGF-β, Notch, Wnt, TNF-α, Hedgehog, and RTKs. It is also affected by hypoxia and microRNAs (miRNAs). All these pathways are the convergence on the transcriptional factors such as Snail, Slug, Twist, and ZEB1/2. In addition, a line of evidence suggested that EMT and cancer stem like cells (CSCs) are associated. EMT associated cancer stem cells display mesenchymal phenotypes and resist to chemotherapy or targeted therapy. In this review, we highlighted recent discoveries in these signaling pathways and their regulation in breast cancer metastasis and invasion. While the clinical relevance of EMT and breast cancers remains controversial, we speculated a convergent signaling network pivotal to elucidating the transition of epithelial to mesenchymal phenotypes and onset of metastasis of breast cancer cells.
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Affiliation(s)
- Busra Buyuk
- Department of Biomedical Engineering, Watson College of Engineering and Applied Science, Center of Biomanufacturing for Regenerative Medicine, Binghamton University, State University of New York (SUNY), PO Box 6000, Binghamton, NY 13902 USA
| | - Sha Jin
- Department of Biomedical Engineering, Watson College of Engineering and Applied Science, Center of Biomanufacturing for Regenerative Medicine, Binghamton University, State University of New York (SUNY), PO Box 6000, Binghamton, NY 13902 USA
| | - Kaiming Ye
- Department of Biomedical Engineering, Watson College of Engineering and Applied Science, Center of Biomanufacturing for Regenerative Medicine, Binghamton University, State University of New York (SUNY), PO Box 6000, Binghamton, NY 13902 USA
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15
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Edwards A, Brennan K. Notch Signalling in Breast Development and Cancer. Front Cell Dev Biol 2021; 9:692173. [PMID: 34295896 PMCID: PMC8290365 DOI: 10.3389/fcell.2021.692173] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 06/07/2021] [Indexed: 12/22/2022] Open
Abstract
The Notch signalling pathway is a highly conserved developmental signalling pathway, with vital roles in determining cell fate during embryonic development and tissue homeostasis. Aberrant Notch signalling has been implicated in many disease pathologies, including cancer. In this review, we will outline the mechanism and regulation of the Notch signalling pathway. We will also outline the role Notch signalling plays in normal mammary gland development and how Notch signalling is implicated in breast cancer tumorigenesis and progression. We will cover how Notch signalling controls several different hallmarks of cancer within epithelial cells with sections focussed on its roles in proliferation, apoptosis, invasion, and metastasis. We will provide evidence for Notch signalling in the breast cancer stem cell phenotype, which also has implications for therapy resistance and disease relapse in breast cancer patients. Finally, we will summarise the developments in therapeutic targeting of Notch signalling, and the pros and cons of this approach for the treatment of breast cancer.
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Affiliation(s)
- Abigail Edwards
- Division of Cancer Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Keith Brennan
- Division of Cancer Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
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16
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Cao Y, Liu L, Lin J, Sun P, Guo K, Li S, Li X, Lan ZJ, Wang H, Lei Z. Dysregulation of Notch-FGF signaling axis in germ cells results in cystic dilation of the rete testis in mice. J Cell Commun Signal 2021; 16:75-92. [PMID: 34101112 PMCID: PMC8688682 DOI: 10.1007/s12079-021-00628-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 05/26/2021] [Indexed: 11/27/2022] Open
Abstract
Numb (Nb) and Numb-like (Nbl) are functionally redundant adaptor proteins that critically regulate cell fate and morphogenesis in a variety of organs. We selectively deleted Nb and Nbl in testicular germ cells by breeding Nb/Nbl floxed mice with a transgenic mouse line Tex101-Cre. The mutant mice developed unilateral or bilateral cystic dilation in the rete testis (RT). Dye trace indicated partial blockages in the testicular hilum. Morphological and immunohistochemical evaluations revealed that the lining epithelium of the cysts possessed similar characteristics of RT epithelium, suggesting that the cyst originated from dilation of the RT lumen. Spermatogenesis and the efferent ducts were unaffected. In comparisons of isolated germ cells from mutants to control mice, the Notch activity considerably increased and the expression of Notch target gene Hey1 significantly elevated. Further studies identified that germ cell Fgf4 expression negatively correlated the Notch activity and demonstrated that blockade of FGF receptors mediated FGF4 signaling induced enlargement of the RT lumen in vitro. The crucial role of the FGF4 signaling in modulation of RT development was verified by the selective germ cell Fgf4 ablation, which displayed a phenotype similar to that of germ cell Nb/Nbl null mutant males. These findings indicate that aberrant over-activation of the Notch signaling in germ cells due to Nb/Nbl abrogation impairs the RT development, which is through the suppressing germ cell Fgf4 expression. The present study uncovers the presence of a lumicrine signal pathway in which secreted/diffusible protein FGF4 produced by germ cells is essential for normal RT development.
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Affiliation(s)
- Yin Cao
- Department of Andrology, the First Hospital of Jilin University, Changchun, Jilin, 130021, People's Republic of China
| | - Lingyun Liu
- Department of Andrology, the First Hospital of Jilin University, Changchun, Jilin, 130021, People's Republic of China
| | - Jing Lin
- Department of OB/GYN and Women's Health, MDR Building, University of Louisville School of Medicine, 511 South Floyd Street, Louisville, KY, 40292, USA
| | - Penghao Sun
- Department of Andrology, the First Hospital of Jilin University, Changchun, Jilin, 130021, People's Republic of China
| | - Kaimin Guo
- Department of Andrology, the First Hospital of Jilin University, Changchun, Jilin, 130021, People's Republic of China
| | - Shengqiang Li
- Department of OB/GYN and Women's Health, MDR Building, University of Louisville School of Medicine, 511 South Floyd Street, Louisville, KY, 40292, USA
- Fujian Academy of Traditional Chinese Medicine, Fuzhou, 350003, China
| | - Xian Li
- Department of OB/GYN and Women's Health, MDR Building, University of Louisville School of Medicine, 511 South Floyd Street, Louisville, KY, 40292, USA
| | - Zi-Jian Lan
- Division of Life Sciences, Alltech, Nicholasville, KY, 40356, USA
| | - Hongliang Wang
- Department of Andrology, the First Hospital of Jilin University, Changchun, Jilin, 130021, People's Republic of China.
| | - Zhenmin Lei
- Department of OB/GYN and Women's Health, MDR Building, University of Louisville School of Medicine, 511 South Floyd Street, Louisville, KY, 40292, USA.
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17
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Zheng L, Song J, Tang R, Chen X, Wang L, Wu D, Cen H, Shi L. MicroRNA‑524‑5p regulates the proliferation and invasion of HTR‑8/SVneo trophoblasts by targeting NUMB in the Notch signaling pathway. Mol Med Rep 2021; 23:436. [PMID: 33846809 PMCID: PMC8060792 DOI: 10.3892/mmr.2021.12075] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 10/19/2020] [Indexed: 12/27/2022] Open
Abstract
Preeclampsia is a pregnancy disorder that is primarily associated with maternal and neonatal or fetal morbidity and mortality. The discovery of dysregulated microRNAs (miRs) and their roles in preeclampsia has provided new insight into the mechanisms involved in pregnancy‑related disorders. In the present study, quantitative PCR demonstrated that the expression levels of miR‑524‑5p were lower in patients with preeclampsia than those in normal pregnant women. Cell Counting Kit‑8 and Transwell assays indicated that overexpression of miR‑524‑5p promoted the proliferation and invasion of HTR‑8/SVneo cells, whereas inhibition of miR‑524‑5p suppressed HTR‑8/SVneo cell proliferation and invasion. Furthermore, NUMB endocytic adaptor protein (NUMB), a negative regulator of the Notch signaling pathway and a target gene of miR‑524‑5p, limited the effects of miR‑524‑5p on HTR‑8/SVneo cell invasion and migration. The present study demonstrated that miR‑524‑5p regulated the proliferation and invasion of HTR‑8/SVneo cells at least partly by targeting NUMB to regulate the Notch signaling pathway.
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Affiliation(s)
- Linmei Zheng
- Department of Obstetrics, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan 570311, P.R. China
| | - Jie Song
- Department of Obstetrics, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan 570311, P.R. China
| | - Rong Tang
- Department of Obstetrics, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan 570311, P.R. China
| | - Xiaoju Chen
- Department of Obstetrics, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan 570311, P.R. China
| | - Li Wang
- Department of Obstetrics, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan 570311, P.R. China
| | - Dongcai Wu
- Department of Obstetrics, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan 570311, P.R. China
| | - Hui Cen
- Department of Obstetrics, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan 570311, P.R. China
| | - Lei Shi
- Department of Obstetrics, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan 570311, P.R. China
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18
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Tuluhong D, Chen T, Wang J, Zeng H, Li H, Dunzhu W, Li Q, Wang S. FZD2 promotes TGF-β-induced epithelial-to-mesenchymal transition in breast cancer via activating notch signaling pathway. Cancer Cell Int 2021; 21:199. [PMID: 33832493 PMCID: PMC8033683 DOI: 10.1186/s12935-021-01866-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 03/06/2021] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Breast cancer (BC) is one of the commonest female cancers, which is characterized with high incidence. Although treatments have been improved, the prognosis of BC patients in advanced stages remains unsatisfactory. Thus, exploration of the molecular mechanisms underneath BC progression is necessary to find novel therapeutic methods. Frizzled class receptor 2 (FZD2) belongs to Frizzled family, which has been proven to promote cell growth and invasion in various human cancers. The purpose of our current study was to detect the functions of FZD2 in BC and explore its underlying molecular mechanism. METHODS The level of FZD2 was measured in BC tissues by quantitative real-time polymerase chain reaction (qRT-PCR), western blot, immunohistochemistry (IHC), respectively. Cell Counting Kit-8 (CCK-8), colony formation assay, transwell assays, wound healing assay and flow cytometry analyses were separately conducted to detect cell viability, invasion, migration, apoptosis and cell cycle distribution. The levels of Epithelial-mesenchymal transition (EMT) biomarkers were examined by using Immunofluorescence assay. Xenograft tumorigenicity assay was performed to assess the effect of FZD2 on tumor growth in vivo. RESULTS FZD2 mRNA and protein expression was abundant in BC tissues. Moreover, high level of FZD2 had significant correlation with poor prognosis in BC patients. In vitro functional assays revealed that silencing of FZD2 had suppressive effects on BC cell growth, migration and invasion. Animal study further demonstrated that FZD2 silencing inhibited BC cell growth in vivo. In addition, FZD2 induced EMT process in BC cells in a transforming growth factor (TGF)-β1-dependent manner. Mechanistically, knockdown of FZD2 led to the inactivation of Notch signaling pathway. CONCLUSION FZD2 facilitates BC progression and promotes TGF-β1-inudced EMT process through activating Notch signaling pathway.
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Affiliation(s)
- Dilihumaer Tuluhong
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, No. 305 East Zhongshan Road, Nanjing, 210002, China
| | - Tao Chen
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, No. 305 East Zhongshan Road, Nanjing, 210002, China
| | - Jingjie Wang
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, No. 305 East Zhongshan Road, Nanjing, 210002, China
| | - Huijuan Zeng
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Hanjun Li
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, No. 305 East Zhongshan Road, Nanjing, 210002, China
| | - Wangmu Dunzhu
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, No. 305 East Zhongshan Road, Nanjing, 210002, China
| | - Qiurong Li
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, No. 305 East Zhongshan Road, Nanjing, 210002, China.
| | - Shaohua Wang
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, No. 305 East Zhongshan Road, Nanjing, 210002, China.
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19
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Sun J, Sheng W, Ma Y, Dong M. Potential Role of Musashi-2 RNA-Binding Protein in Cancer EMT. Onco Targets Ther 2021; 14:1969-1980. [PMID: 33762829 PMCID: PMC7982713 DOI: 10.2147/ott.s298438] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 02/22/2021] [Indexed: 12/20/2022] Open
Abstract
Local invasion and distant metastasis are the key hallmarks in the aggressive progression of malignant tumors, including the ability of cancer cells to detach from the extracellular matrix overcome apoptosis, and disseminate into distant sites. It is generally believed that this malignant behavior is stimulated by epithelial-mesenchymal transition (EMT). Musashi (MSI) RNA-binding proteins, belonging to the evolutionarily conserved RNA-binding proteins (RBP) family, were originally discovered to regulate asymmetric cell division during embryonic development. Recently, Musashi-2 (MSI2), as a key member of MSI family, has been prevalently reported to be tightly associated with the advanced clinical stage of several cancers. Multiple oncogenic signaling pathways mediated by MSI2 play vital roles in EMT. Here, we systematically reviewed the detailed role and signal networks of MSI2 in regulating cancer development, especially in EMT signal transduction, involving EGF, TGF-β, Notch, and Wnt pathways.
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Affiliation(s)
- Jian Sun
- Department of Gastrointestinal Surgery, The First Hospital, China Medical University, Shenyang, 110001, People's Republic of China
| | - Weiwei Sheng
- Department of Gastrointestinal Surgery, The First Hospital, China Medical University, Shenyang, 110001, People's Republic of China
| | - Yuteng Ma
- Department of Gastrointestinal Surgery, The First Hospital, China Medical University, Shenyang, 110001, People's Republic of China
| | - Ming Dong
- Department of Gastrointestinal Surgery, The First Hospital, China Medical University, Shenyang, 110001, People's Republic of China
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20
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Orzechowska M, Anusewicz D, Bednarek AK. Functional Gene Expression Differentiation of the Notch Signaling Pathway in Female Reproductive Tract Tissues-A Comprehensive Review With Analysis. Front Cell Dev Biol 2021; 8:592616. [PMID: 33384996 PMCID: PMC7770115 DOI: 10.3389/fcell.2020.592616] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 11/11/2020] [Indexed: 12/13/2022] Open
Abstract
The Notch pathway involves evolutionarily conserved signaling regulating the development of the female tract organs such as breast, ovary, cervix, and uterine endometrium. A great number of studies revealed Notch aberrancies in association with their carcinogenesis and disease progression, the management of which is still challenging. The present study is a comprehensive review of the available literature on Notch signaling during the normal development and carcinogenesis of the female tract organs. The review has been enriched with our analyses of the TCGA data including breast, cervical, ovarian, and endometrial carcinomas concerning the effects of Notch signaling at two levels: the core components and downstream effectors, hence filling the lack of global overview of Notch-driven carcinogenesis and disease progression. Phenotype heterogeneity regarding Notch signaling was projected in two uniform manifold approximation and projection algorithm dimensions, preceded by the principal component analysis step reducing the data burden. Additionally, overall and disease-free survival analyses were performed with the optimal cutpoint determination by Evaluate Cutpoints software to establish the character of particular Notch components in tumorigenesis. In addition to the review, we demonstrated separate models of the examined cancers of the Notch pathway and its targets, although expression profiles of all normal tissues were much more similar to each other than to its cancerous compartments. Such Notch-driven cancerous differentiation resulted in a case of opposite association with DFS and OS. As a consequence, target genes also show very distinct profiles including genes associated with cell proliferation and differentiation, energy metabolism, or the EMT. In conclusion, the observed Notch associations with the female tract malignancies resulted from differential expression of target genes. This may influence a future analysis to search for new therapeutic targets based on specific Notch pathway profiles.
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Affiliation(s)
| | - Dorota Anusewicz
- Department of Molecular Carcinogenesis, Medical University of Lodz, Lodz, Poland
| | - Andrzej K Bednarek
- Department of Molecular Carcinogenesis, Medical University of Lodz, Lodz, Poland
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21
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Sneeggen M, Guadagno NA, Progida C. Intracellular Transport in Cancer Metabolic Reprogramming. Front Cell Dev Biol 2020; 8:597608. [PMID: 33195279 PMCID: PMC7661548 DOI: 10.3389/fcell.2020.597608] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 10/12/2020] [Indexed: 12/12/2022] Open
Abstract
Tumor progression is a complex process consisting of several steps characterized by alterations in cellular behavior and morphology. These steps include uncontrolled cell division and proliferation, invasiveness and metastatic ability. Throughout these phases, cancer cells encounter a changing environment and a variety of metabolic stress. To meet their needs for energy while they proliferate and survive in their new environment, tumor cells need to continuously fine-tune their metabolism. The connection between intracellular transport and metabolic reprogramming during cancer progression is emerging as a central process of cellular adaptation to these changes. The trafficking of proteolytic enzymes, surface receptors, but also the regulation of downstream pathways, are all central to cancer progression. In this review, we summarize different hallmarks of cancer with a special focus on the role of intracellular trafficking in cell proliferation, epithelial to mesenchymal transition as well as invasion. We will further emphasize how intracellular trafficking contributes to the regulation of energy consumption and metabolism during these steps of cancer progression.
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Affiliation(s)
- Marte Sneeggen
- Department of Biosciences, University of Oslo, Oslo, Norway
| | | | - Cinzia Progida
- Department of Biosciences, University of Oslo, Oslo, Norway
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22
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Dong Y, Li J, Liu R, Zhao Z, Wang S, Cui K. Musashi1 expression is negatively correlated with numb expression in brain metastases. Medicine (Baltimore) 2020; 99:e22000. [PMID: 33120728 PMCID: PMC7581019 DOI: 10.1097/md.0000000000022000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 07/25/2020] [Accepted: 07/31/2020] [Indexed: 11/25/2022] Open
Abstract
The expression of tumor stem cell markers musashi1 (msi1) and numb in brain metastases were detected to explore their roles in the development of brain metastases.A total of 51 cases of brain metastasis, 29 cases of primary tumor and 15 cases of normal brain tissue were selected. Immunohistochemistry and reverse transcription polymerase chain reaction (RT-PCR) were used to detect msi1 and numb expression at the protein and mRNA levels. Correlation between msi1 and numb in brain metastases were evaluated.Immunohistochemistry and RT-PCR showed that no significant difference in the expression of msi1 and numb between brain metastases and primary tumors was observed (P > .05); the expression of msi1 and numb in brain metastases was significantly higher than that in normal brain tissues (P < .05); and the expression of msi1 and numb in primary tumors was significantly higher than that in normal brain tissues (P < .05). In general, the expression of msi1 gene was negatively correlated with the expression of numb at mRNA level by Pearson correlation analysis (r = -0.345, P < .05). Additionally, the expression of msi1 and numb in brain metastases was not related to gender, age, and tissue origin (P > .05).Msi1 is highly expressed in brain metastases and primary tumors, while numb is lowly expressed in brain metastases and primary tumors; msi1 and numb are negatively correlated in brain metastases, suggesting that msi1 and numb may have regulatory mechanisms in the development of brain metastases.
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23
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Notch Pathway: A Journey from Notching Phenotypes to Cancer Immunotherapy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1287:201-222. [PMID: 33034034 DOI: 10.1007/978-3-030-55031-8_13] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Notch is a key evolutionary conserved pathway, which has fascinated and engaged the work of investigators in an uncountable number of biological fields, from development of metazoans to immunotherapy for cancer. The study of Notch has greatly contributed to the understanding of cancer biology and a substantial effort has been spent in designing Notch-targeting therapies. Due to its broad involvement in cancer, targeting Notch would allow to virtually modulate any aspect of the disease. However, this means that Notch-based therapies must be highly specific to avoid off-target effects. This review will present the newest mechanistic and therapeutic advances in the Notch field and discuss the promises and challenges of this constantly evolving field.
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Dzobo K, Senthebane DA, Ganz C, Thomford NE, Wonkam A, Dandara C. Advances in Therapeutic Targeting of Cancer Stem Cells within the Tumor Microenvironment: An Updated Review. Cells 2020; 9:E1896. [PMID: 32823711 PMCID: PMC7464860 DOI: 10.3390/cells9081896] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/04/2020] [Accepted: 08/11/2020] [Indexed: 12/24/2022] Open
Abstract
Despite great strides being achieved in improving cancer patients' outcomes through better therapies and combinatorial treatment, several hurdles still remain due to therapy resistance, cancer recurrence and metastasis. Drug resistance culminating in relapse continues to be associated with fatal disease. The cancer stem cell theory posits that tumors are driven by specialized cancer cells called cancer stem cells (CSCs). CSCs are a subpopulation of cancer cells known to be resistant to therapy and cause metastasis. Whilst the debate on whether CSCs are the origins of the primary tumor rages on, CSCs have been further characterized in many cancers with data illustrating that CSCs display great abilities to self-renew, resist therapies due to enhanced epithelial to mesenchymal (EMT) properties, enhanced expression of ATP-binding cassette (ABC) membrane transporters, activation of several survival signaling pathways and increased immune evasion as well as DNA repair mechanisms. CSCs also display great heterogeneity with the consequential lack of specific CSC markers presenting a great challenge to their targeting. In this updated review we revisit CSCs within the tumor microenvironment (TME) and present novel treatment strategies targeting CSCs. These promising strategies include targeting CSCs-specific properties using small molecule inhibitors, immunotherapy, microRNA mediated inhibitors, epigenetic methods as well as targeting CSC niche-microenvironmental factors and differentiation. Lastly, we present recent clinical trials undertaken to try to turn the tide against cancer by targeting CSC-associated drug resistance and metastasis.
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Affiliation(s)
- Kevin Dzobo
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Wernher and Beit Building (South), UCT Medical Campus, Anzio Road, Observatory, Cape Town 7925, South Africa; (D.A.S.); (C.G.)
- Division of Medical Biochemistry and Institute of Infectious Disease and Molecular Medicine, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town 7925, South Africa
| | - Dimakatso Alice Senthebane
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Wernher and Beit Building (South), UCT Medical Campus, Anzio Road, Observatory, Cape Town 7925, South Africa; (D.A.S.); (C.G.)
- Division of Medical Biochemistry and Institute of Infectious Disease and Molecular Medicine, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town 7925, South Africa
| | - Chelene Ganz
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Wernher and Beit Building (South), UCT Medical Campus, Anzio Road, Observatory, Cape Town 7925, South Africa; (D.A.S.); (C.G.)
- Division of Medical Biochemistry and Institute of Infectious Disease and Molecular Medicine, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town 7925, South Africa
| | - Nicholas Ekow Thomford
- Division of Human Genetics, Department of Pathology and Institute for Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Anzio Road, Observatory, Cape Town 7925, South Africa; (N.E.T.); (A.W.); (C.D.)
- Department of Medical Biochemistry, School of Medical Sciences, College of Health Sciences, University of Cape Coast, PMB, Cape Coast, Ghana
| | - Ambroise Wonkam
- Division of Human Genetics, Department of Pathology and Institute for Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Anzio Road, Observatory, Cape Town 7925, South Africa; (N.E.T.); (A.W.); (C.D.)
| | - Collet Dandara
- Division of Human Genetics, Department of Pathology and Institute for Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Anzio Road, Observatory, Cape Town 7925, South Africa; (N.E.T.); (A.W.); (C.D.)
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25
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Kusoglu A, Goker Bagca B, Ozates Ay NP, Gunduz C, Biray Avci C. Telomerase inhibition regulates EMT mechanism in breast cancer stem cells. Gene 2020; 759:145001. [PMID: 32738420 DOI: 10.1016/j.gene.2020.145001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 07/17/2020] [Accepted: 07/22/2020] [Indexed: 02/06/2023]
Abstract
BACKROUND CSCs having the common features of high telomerase activity and high migration and invasion capabilities play a vital role as the initiators of metastasis. Small molecule BIBR1532 has been shown to target cancer cells by inhibiting telomerase. Recent studies have suggested that telomerase activity is associated with epithelial mesenchymal transition (EMT). EMT program, which causes epithelial cells to acquire a mesenchymal morphology, is known to play a significant role in cancer metastasis. METHODS The hypothesis of our study was that suppression of telomerase in breast cancer and cancer stem cells would interrupt EMT mechanism. Cytotoxicity of BIBR1532 was evaluated using WST-1 assay in all cell lines and the effects of BIBR1532 on apoptosis were investigated with Annexin V. Migration rate of the cells was examined by wound healing assay and sphere forming capacities were observed by hanging drop test. Finally, the expression of 84 EMT-related genes was analyzed by real-time qPCR. RESULTS The IC50 values for the MDA-MB-231 and breast epithelial stem cells of BIBR1532 were analyzed as 18.04 and 38.71 µl at 72 h, respectively. Interestingly, apoptosis was only induced in stem cells. In hanging drop test, sphere areas were reduced in stem cells treated with BIBR1532. In wound healing assay, BIBR1532 decreased the migration rate of stem cells. Together with this, expression of EMT-related genes were regulated in stem cells towards a epithelial phenotype. CONCLUSION Our obtained results indicated that telomerase inhibition affects the EMT mechanism. The targeted elimination of breast cancer stem cells by a telomerase inhibitor in cancer treatment may limit the mobility and stemness of cancer cells interrupting the EMT mechanism, thus may prevent metastasis.
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Affiliation(s)
- Alican Kusoglu
- Ege University Medical School, Department of Medical Biology, Turkey.
| | | | | | - Cumhur Gunduz
- Ege University Medical School, Department of Medical Biology, Turkey
| | - Cigir Biray Avci
- Ege University Medical School, Department of Medical Biology, Turkey
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Liubomirski Y, Ben-Baruch A. Notch-Inflammation Networks in Regulation of Breast Cancer Progression. Cells 2020; 9:cells9071576. [PMID: 32605277 PMCID: PMC7407628 DOI: 10.3390/cells9071576] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 06/21/2020] [Accepted: 06/24/2020] [Indexed: 12/20/2022] Open
Abstract
Members of the Notch family and chronic inflammation were each separately demonstrated to have prominent malignancy-supporting roles in breast cancer. Recent investigations indicate that bi-directional interactions that exist between these two pathways promote the malignancy phenotype of breast tumor cells and of their tumor microenvironment. In this review article, we demonstrate the importance of Notch-inflammation interplays in malignancy by describing three key networks that act in breast cancer and their impacts on functions that contribute to disease progression: (1) Cross-talks of the Notch pathway with myeloid cells that are important players in cancer-related inflammation, focusing mainly on macrophages; (2) Cross-talks of the Notch pathway with pro-inflammatory factors, exemplified mainly by Notch interactions with interleukin 6 and its downstream pathways (STAT3); (3) Cross-talks of the Notch pathway with typical inflammatory transcription factors, primarily NF-κB. These three networks enhance tumor-promoting functions in different breast tumor subtypes and act in reciprocal manners, whereby Notch family members activate inflammatory elements and vice versa. These characteristics illustrate the fundamental roles played by Notch-inflammation interactions in elevating breast cancer progression and propose that joint targeting of both pathways together may provide more effective and less toxic treatment approaches in this disease.
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Pu Q, Lv YR, Dong K, Geng WW, Gao HD. Tumor suppressor OTUD3 induces growth inhibition and apoptosis by directly deubiquitinating and stabilizing p53 in invasive breast carcinoma cells. BMC Cancer 2020; 20:583. [PMID: 32571254 PMCID: PMC7310228 DOI: 10.1186/s12885-020-07069-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 06/15/2020] [Indexed: 12/20/2022] Open
Abstract
Background P53 pathway inactivation plays an important role in the process of breast cancer tumorigenesis. Post-translational protein modification abnormalities have been confirmed to be an important mechanism underlying inactivation of p53. Numerous deubiquitinating enzymes are aberrantly expressed in breast cancer, and a few deubiquitination enzymes can deubiquitinate and stabilize p53. Here, we report that ovarian tumor (OTU) deubiquitinase 3 (OTUD3) is a deubiquitylase of p53 in breast carcinoma (BC). Methods Correlations between the mRNA expression levels of OTUD3, TP53 and PTEN and the prognosis of BC were assessed with the Kaplan-Meier Plotter tool. OTUD3 protein expression in 80 pairs of specimens in our cohort was examined by immunohistochemistry and western blotting. The relationship among OTUD3, p53, and p21 proteins was analyzed. Half-life analysis and ubiquitylation assay were performed to elucidate the molecular mechanism by which OTUD3 stabilizes p53. The interaction between OTUD3 and p53 in BC cells was verified by a co-immunoprecipitation assay and GST pulldown experiments. MTS assay for proliferation detection, detection of apoptosis induced by cisplatin and colony formation assay were employed to investigate the functional effects of OTUD3 on breast cancer cells. Results OTUD3 downregulation is correlated with a poor prognosis in BC patients. OTUD3 expression is decreased in breast cancer tissues and not associated with the histological grade. OTUD3 also inhibits cell proliferation and clone formation and increases the sensitivity of BC cells to apoptosis induced by chemotherapy drugs. Reduced OTUD3 expression accompanied by decreased p53 abundance is correlated with human breast cancer progression. Ectopic expression of wild-type OTUD3, but not its catalytically inactive mutant, stabilizes and activates p53. Mechanistically, OTUD3 interacts directly with p53 through the amino-terminal OTU region. Finally, OTUD3 protects p53 from murine double minute 2 (Mdm2)-mediated ubiquitination and degradation, enabling the deubiquitination of p53 in BC cells. Conclusions In summary, we found that OTUD3 may be a potential therapeutic target for restoring p53 function in breast cancer cells and suggest that the OTUD3-p53 signaling axis may play a critical role in tumor suppression.
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Affiliation(s)
- Qian Pu
- Department of General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China.,Department of General Surgery, Qilu Hospital (Qingdao) of Shandong University, 758 Hefei Road, Qingdao, Shandong, 266035, P.R. China
| | - Yan-Rong Lv
- Department of General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China
| | - Ke Dong
- Shandong University, Jinan, Shandong, 250012, P.R. China
| | - Wen-Wen Geng
- Department of General Surgery, Qilu Hospital (Qingdao) of Shandong University, 758 Hefei Road, Qingdao, Shandong, 266035, P.R. China
| | - Hai-Dong Gao
- Department of General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, P.R. China. .,Department of General Surgery, Qilu Hospital (Qingdao) of Shandong University, 758 Hefei Road, Qingdao, Shandong, 266035, P.R. China.
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Cheng C, Huang Z, Zhou R, An H, Cao G, Ye J, Huang C, Wu D. Numb negatively regulates the epithelial-to-mesenchymal transition in colorectal cancer through the Wnt signaling pathway. Am J Physiol Gastrointest Liver Physiol 2020; 318:G841-G853. [PMID: 32146835 DOI: 10.1152/ajpgi.00178.2019] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Colorectal cancer (CRC) is one of the most common malignant tumors and is associated with a high mortality rate due to the lack of specific biomarkers available for early diagnosis, targeted therapies, and prognostic surveillance. In the present study, we investigated the function of Numb and its underlying mechanism in CRC. Immunohistochemical staining and clinicopathological analysis were used to assess the expression of Numb and its clinical significance in patients with CRC. Quantitative real-time polymerase chain reaction, cell proliferation, Western blot, wound healing, Transwell, and TOP/FOP flash reporter assays were used to investigate the function of Numb and its underlying mechanism in CRC. Numb expression was downregulated and negatively correlated with the depth of invasion, tumor size, metastasis, TNM stage, and epithelial-to-mesenchymal transition (EMT) markers in CRC specimens. Numb negatively regulates the EMT, proliferation, invasion, migration, and the Wnt signaling pathway in vitro, as well as tumor growth and metastasis in vivo. Furthermore, activation of the Wnt signaling pathway by Wnt-3A negated the effect of Numb overexpression, whereas inhibition of the Wnt signaling pathway by IWR-1 impaired the effect of the Numb knockdown on the EMT. We concluded that Numb downregulation is a common event in patients with CRC and is closely correlated with cancer progression and a poor prognosis. Numb functions as a tumor suppressor in CRC, and its tumor suppressor function is mediated by negative regulation of the EMT through the Wnt signaling pathway.NEW & NOTEWORTHY We investigate the function of Numb and its underlying mechanism in colorectal cancer through quantitative real-time polymerase chain reaction, cell proliferation, Western blot, wound healing, Transwell, and TOP/FOP flash reporter assays. We conclude that Numb can negatively regulate the epithelial-to-mesenchymal transition through the Wnt signaling pathway to inhibit the development of colorectal cancer.
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Affiliation(s)
- Chi Cheng
- Department of Gastrointestinal Surgery, Ruian People's Hospital, Ruian, Zhejiang, China
| | - Zhenfeng Huang
- Department of Gastrointestinal Surgery, Ruian People's Hospital, Ruian, Zhejiang, China
| | - Ruiyao Zhou
- Department of Gastrointestinal Surgery, Ruian People's Hospital, Ruian, Zhejiang, China
| | - Huimin An
- Department of Pathology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Zhejiang, China
| | - Gaojian Cao
- Department of Gastrointestinal Surgery, Ruian People's Hospital, Ruian, Zhejiang, China
| | - Jun Ye
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guizhou Medical University, Guizhou, China
| | - Chaolin Huang
- Department of Obstetrics and Gynecology, Chengdu First People's Hospital, Chengdu, Sichuan, China
| | - Daoyi Wu
- Department of Gastrointestinal Surgery, Ruian People's Hospital, Ruian, Zhejiang, China
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Cortesi M, Liverani C, Mercatali L, Ibrahim T, Giordano E. Computational models to explore the complexity of the epithelial to mesenchymal transition in cancer. WILEY INTERDISCIPLINARY REVIEWS-SYSTEMS BIOLOGY AND MEDICINE 2020; 12:e1488. [PMID: 32208556 DOI: 10.1002/wsbm.1488] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 02/07/2020] [Accepted: 03/02/2020] [Indexed: 01/06/2023]
Abstract
Epithelial to mesenchymal transition (EMT) is a complex biological process that plays a key role in cancer progression and metastasis formation. Its activation results in epithelial cells losing adhesion and polarity and becoming capable of migrating from their site of origin. At this step the disease is generally considered incurable. As EMT execution involves several individual molecular components, connected by nontrivial relations, in vitro techniques are often inadequate to capture its complexity. Computational models can be used to complement experiments and provide additional knowledge difficult to build up in a wetlab. Indeed in silico analysis gives the user total control on the system, allowing to identify the contribution of each independent element. In the following, two kinds of approaches to the computational study of EMT will be presented. The first relies on signal transduction networks description and details how changes in gene expression could influence this process, both focusing on specific aspects of the EMT and providing a general frame for this phenomenon easily comparable with experimental data. The second integrates single cell and population level descriptions in a multiscale model that can be considered a more accurate representation of the EMT. The advantages and disadvantages of each approach will be highlighted, together with the importance of coupling computational and experimental results. Finally, the main challenges that need to be addressed to improve our knowledge of the role of EMT in the neoplastic disease and the scientific and translational value of computational models in this respect will be presented. This article is categorized under: Analytical and Computational Methods > Computational Methods.
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Affiliation(s)
- Marilisa Cortesi
- Laboratory of Cellular and Molecular Engineering "S. Cavalcanti", Department of Electrical, Electronic and Information Engineering "G. Marconi" (DEI), Alma Mater Studiorum - University of Bologna, Cesena, Italy
| | - Chiara Liverani
- Osteoncology and Rare Tumors Center, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Laura Mercatali
- Osteoncology and Rare Tumors Center, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Toni Ibrahim
- Osteoncology and Rare Tumors Center, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Emanuele Giordano
- Laboratory of Cellular and Molecular Engineering "S. Cavalcanti", Department of Electrical, Electronic and Information Engineering "G. Marconi" (DEI), Alma Mater Studiorum - University of Bologna, Cesena, Italy.,BioEngLab, Health Science and Technology, Interdepartmental Center for Industrial Research (HST-CIRI), Alma Mater Studiorum - University of Bologna, Bologna, Italy.,Advanced Research Center on Electronic Systems (ARCES), Alma Mater Studiorum - University of Bologna, Bologna, Italy
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Dongre A, Weinberg RA. New insights into the mechanisms of epithelial-mesenchymal transition and implications for cancer. Nat Rev Mol Cell Biol 2019; 20:69-84. [PMID: 30459476 DOI: 10.1038/s41580-018-0080-4] [Citation(s) in RCA: 2094] [Impact Index Per Article: 418.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Epithelial-mesenchymal transition (EMT) is a cellular programme that is known to be crucial for embryogenesis, wound healing and malignant progression. During EMT, cell-cell and cell-extracellular matrix interactions are remodelled, which leads to the detachment of epithelial cells from each other and the underlying basement membrane, and a new transcriptional programme is activated to promote the mesenchymal fate. In the context of neoplasias, EMT confers on cancer cells increased tumour-initiating and metastatic potential and a greater resistance to elimination by several therapeutic regimens. In this Review, we discuss recent findings on the mechanisms and roles of EMT in normal and neoplastic tissues, and the cell-intrinsic signals that sustain expression of this programme. We also highlight how EMT gives rise to a variety of intermediate cell states between the epithelial and the mesenchymal state, which could function as cancer stem cells. In addition, we describe the contributions of the tumour microenvironment in inducing EMT and the effects of EMT on the immunobiology of carcinomas.
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Affiliation(s)
- Anushka Dongre
- Whitehead Institute for Biomedical Research, Cambridge, MA, USA
| | - Robert A Weinberg
- Whitehead Institute for Biomedical Research, Cambridge, MA, USA. .,MIT Ludwig Center for Molecular Oncology, Cambridge, MA, USA. .,Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA.
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31
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Zhang Y, Xie ZY, Guo XT, Xiao XH, Xiong LX. Notch and breast cancer metastasis: Current knowledge, new sights and targeted therapy. Oncol Lett 2019; 18:2743-2755. [PMID: 31452752 PMCID: PMC6704289 DOI: 10.3892/ol.2019.10653] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 06/21/2019] [Indexed: 02/07/2023] Open
Abstract
Breast cancer is the most common type of invasive cancer in females and metastasis is one of the major causes of breast cancer-associated mortality. Following detachment from the primary site, disseminated tumor cells (DTCs) enter the bloodstream and establish secondary colonies during the metastatic process. An increasing amount of studies have elucidated the importance of Notch signaling in breast cancer metastasis; therefore, the present review focuses on the mechanisms by which Notch contributes to the occurrence of breast cancer DTCs, increases their motility, establishes interactions with the tumor microenvironment, protects DTCs from host surveillance and finally facilitates secondary colonization. Identification of the underlying mechanisms of Notch-associated breast cancer metastasis will provide additional insights that may contribute towards the development of novel Notch-targeted therapeutic strategies, which may aid in reducing metastasis, culminating in an improved patient prognosis.
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Affiliation(s)
- Yu Zhang
- Department of Pathophysiology, Medical College, Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Zi-Yan Xie
- Department of Pathophysiology, Medical College, Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Xuan-Tong Guo
- Department of Pathophysiology, Medical College, Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Xing-Hua Xiao
- Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology, Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Li-Xia Xiong
- Department of Pathophysiology, Medical College, Nanchang University, Nanchang, Jiangxi 330006, P.R. China
- Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology, Nanchang University, Nanchang, Jiangxi 330006, P.R. China
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Hu XB, Ouyang LZ, He Y, Xia MZ. Numb confers to inhibit epithelial mesenchymal transition via β-catenin/Lin28 signaling pathway in breast cancer. Exp Mol Pathol 2019; 109:104262. [PMID: 31095937 DOI: 10.1016/j.yexmp.2019.104262] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 04/13/2019] [Accepted: 05/10/2019] [Indexed: 12/21/2022]
Abstract
OBJECTIVES This study aimed to investigate role of Numb in the epithelial mesenchymal transition (EMT) of breast cancer. METHODS Numb and β-catenin were inhibited in MCF-7 cells using sh-RNA and overexpressed in T47D cells by pcDNA3.0-Numb, pcDNA3.0-β-catenin. Cell proliferation, invasion and migration were evaluated using MTT and Transwell assay, respectively. β-catenin, Lin28, and EMT related markers were determined using qRT-PCR and Western Blotting. RESULTS Knockdown of Numb significantly promoted the proliferation, invasion and migration of MCF-7 cells, further increased the expression of β-catenin, Lin28, Snail-1, and N-cadherin, as well as decreased E-cadherin. In T47D cells transfected with pcDNA3.0-Numb, the results were quite the reverse. CONCLUSIONS Knockdown of Numb could promote the EMT of breast cancer cells via β-cateni/Lin28 signaling pathway.
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Affiliation(s)
- Xiao-Bo Hu
- Breast Surgery Department I, Hunan Cancer Hospital, Changsha, Hunan 410013, PR China; Department of Mammary Gland of Hunan Tumor Hospital, Changsha 410013, PR China.
| | - Li-Zhi Ouyang
- Department of Mammary Gland of Hunan Tumor Hospital, Changsha 410013, PR China
| | - Yue He
- Department of Mammary Gland of Hunan Tumor Hospital, Changsha 410013, PR China
| | - Ming-Zhi Xia
- Breast Surgery Department I, Hunan Cancer Hospital, Changsha, Hunan 410013, PR China; Department of Mammary Gland of Hunan Tumor Hospital, Changsha 410013, PR China.
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Shen ED, Zeng Q. Inhibition of the Numb/Notch signaling pathway increases radiation sensitivity in human nasopharyngeal carcinoma cells. Kaohsiung J Med Sci 2019; 35:474-485. [PMID: 31271505 DOI: 10.1002/kjm2.12087] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 04/29/2019] [Indexed: 12/12/2022] Open
Abstract
Radiation therapy is the primary treatment for primary nasopharyngeal carcinoma (NPC). The aim of this study is to identify the effect of the Numb/Notch signaling pathway on radiation sensitivity in human NPC cells. NPC tissues and normal nasopharyngeal tissues were collected. To evaluate the regulatory effects of the Numb/Notch signaling pathway, NPC cells were subjected to radiotherapy and various doses of the Numb/Notch signaling pathway inhibitor gamma secretase inhibitor (GSI). Next, the expression of Notch and Numb proteins was determined in NPC tissues and normal nasopharyngeal tissues, and the correlation of Notch and Numb protein expression with the clinicopathological features of NPC tissues was analyzed. Then, the effect of radiotherapy on NPC cell survival rate, survival fraction, apoptosis rate, proliferation, migration, and invasion as well as Numb/Notch signaling pathway-related molecules was detected. The results demonstrated that the Numb/Notch signaling pathway was activated in NPC tissues. Following treatment with radiotherapy and GSI, the Numb/Notch signaling pathway was inhibited. In addition, the NPC cell survival rate, survival fraction, cell proliferation, migration, and invasion were decreased, whereas the colony number and apoptosis rate were increased. Following radiotherapy and GSI treatment, Numb expression was increased, whereas Notch1, Hes1, Jagged1, and c-Myc expression was decreased. However, the greatest difference was noted upon treatment with radiotherapy +15 μM GSI. The results reported in this study suggest that a high dose of the inhibitor of the Numb/Notch signaling pathway GSI increased the radiation sensitivity in human NPC cells.
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Affiliation(s)
- Er-Dong Shen
- Department of Oncology (The 3rd Ward), The First People's Hospital of Yueyang, Yueyang, China
| | - Qiang Zeng
- Department of Ear-Nose-Throat, The First People's Hospital of Yueyang, Yueyang, China
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Notch Signaling Activation as a Hallmark for Triple-Negative Breast Cancer Subtype. JOURNAL OF ONCOLOGY 2019; 2019:8707053. [PMID: 31379945 PMCID: PMC6657611 DOI: 10.1155/2019/8707053] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 06/19/2019] [Indexed: 12/21/2022]
Abstract
Triple-negative breast cancer (TNBC) is a subgroup of 15%-20% of diagnosed breast cancer patients. It is generally considered to be the most difficult breast cancer subtype to deal with, due to the lack of estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2), which usually direct targeted therapies. In this scenario, the current treatments of TNBC-affected patients rely on tumor excision and conventional chemotherapy. As a result, the prognosis is overall poor. Thus, the identification and characterization of targets for novel therapies are urgently required. The Notch signaling pathway has emerged to act in the pathogenesis and tumor progression of TNBCs. Firstly, Notch receptors are associated with the regulation of tumor-initiating cells (TICs) behavior, as well as with the aetiology of TNBCs. Secondly, there is a strong evidence that Notch pathway is a relevant player in mammary cancer stem cells maintenance and expansion. Finally, Notch receptors expression and activation strongly correlate with the aggressive clinicopathological and biological phenotypes of breast cancer (e.g., invasiveness and chemoresistance), which are relevant characteristics of TNBC subtype. The purpose of this up-to-date review is to provide a detailed overview of the specific role of all four Notch receptors (Notch1, Notch2, Notch3, and Notch4) in TNBCs, thus identifying the Notch signaling pathway deregulation/activation as a pathognomonic feature of this breast cancer subtype. Furthermore, this review will also discuss recent information associated with different therapeutic options related to the four Notch receptors, which may be useful to evaluate prognostic or predictive indicators as well as to develop new therapies aimed at improving the clinical outcome of TNBC patients.
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Smigiel JM, Taylor SE, Bryson BL, Tamagno I, Polak K, Jackson MW. Cellular plasticity and metastasis in breast cancer: a pre- and post-malignant problem. JOURNAL OF CANCER METASTASIS AND TREATMENT 2019; 5:47. [PMID: 32355893 PMCID: PMC7192216 DOI: 10.20517/2394-4722.2019.26] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
As a field we have made tremendous strides in treating breast cancer, with a decline in the past 30 years of overall breast cancer mortality. However, this progress is met with little affect once the disease spreads beyond the primary site. With a 5-year survival rate of 22%, 10-year of 13%, for those patients with metastatic breast cancer (mBC), our ability to effectively treat wide spread disease is minimal. A major contributing factor to this ineffectiveness is the complex make-up, or heterogeneity, of the primary site. Within a primary tumor, secreted factors, malignant and pre-malignant epithelial cells, immune cells, stromal fibroblasts and many others all reside alongside each other creating a dynamic environment contributing to metastasis. Furthermore, heterogeneity contributes to our lack of understanding regarding the cells' remarkable ability to undergo epithelial/non-cancer stem cell (CSC) to mesenchymal/CSC (E-M/CSC) plasticity. The enhanced invasion & motility, tumor-initiating potential, and acquired therapeutic resistance which accompanies E-M/CSC plasticity implicates a significant role in metastasis. While most work trying to understand E-M/CSC plasticity has been done on malignant cells, recent evidence is emerging concerning the ability for pre-malignant cells to undergo E-M/CSC plasticity and contribute to the metastatic process. Here we will discuss the importance of E-M/CSC plasticity within malignant and pre-malignant populations of the tumor. Moreover, we will discuss how one may potentially target these populations, ultimately disrupting the metastatic cascade and increasing patient survival for those with mBC.
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Affiliation(s)
- Jacob M. Smigiel
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Sarah E. Taylor
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Benjamin L. Bryson
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Ilaria Tamagno
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Kelsey Polak
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Mark W. Jackson
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH 44106, USA
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Singh S, Chakrabarti R. Consequences of EMT-Driven Changes in the Immune Microenvironment of Breast Cancer and Therapeutic Response of Cancer Cells. J Clin Med 2019; 8:jcm8050642. [PMID: 31075939 PMCID: PMC6572359 DOI: 10.3390/jcm8050642] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 04/30/2019] [Accepted: 05/04/2019] [Indexed: 02/06/2023] Open
Abstract
Epithelial-to-mesenchymal transition (EMT) is a process through which epithelial cells lose their epithelial characteristics and cell–cell contact, thus increasing their invasive potential. In addition to its well-known roles in embryonic development, wound healing, and regeneration, EMT plays an important role in tumor progression and metastatic invasion. In breast cancer, EMT both increases the migratory capacity and invasive potential of tumor cells, and initiates protumorigenic alterations in the tumor microenvironment (TME). In particular, recent evidence has linked increased expression of EMT markers such as TWIST1 and MMPs in breast tumors with increased immune infiltration in the TME. These immune cells then provide cues that promote immune evasion by tumor cells, which is associated with enhanced tumor progression and metastasis. In the current review, we will summarize the current knowledge of the role of EMT in the biology of different subtypes of breast cancer. We will further explore the correlation between genetic switches leading to EMT and EMT-induced alterations within the TME that drive tumor growth and metastasis, as well as their possible effect on therapeutic response in breast cancer.
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Affiliation(s)
- Snahlata Singh
- Department of Biomedical Sciences, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
| | - Rumela Chakrabarti
- Department of Biomedical Sciences, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
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Liubomirski Y, Lerrer S, Meshel T, Morein D, Rubinstein-Achiasaf L, Sprinzak D, Wiemann S, Körner C, Ehrlich M, Ben-Baruch A. Notch-Mediated Tumor-Stroma-Inflammation Networks Promote Invasive Properties and CXCL8 Expression in Triple-Negative Breast Cancer. Front Immunol 2019; 10:804. [PMID: 31105691 PMCID: PMC6492532 DOI: 10.3389/fimmu.2019.00804] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Accepted: 03/26/2019] [Indexed: 01/12/2023] Open
Abstract
Stromal cells and pro-inflammatory cytokines play key roles in promoting the aggressiveness of triple-negative breast cancers (TNBC; Basal/Basal-like). In our previous study we demonstrated that stimulation of TNBC and mesenchymal stem cells (MSCs) co-cultures by the pro-inflammatory cytokine tumor necrosis factor α (TNFα) has led to increased metastasis-related properties in vitro and in vivo. In this context, elevated release of the pro-metastatic chemokines CXCL8 (IL-8) and CCL5 (RANTES) was noted in TNFα- and interleukin-1β (IL-1β)-stimulated TNBC:MSC co-cultures; the process was partly (CXCL8) and entirely (CCL5) dependent on physical contacts between the two cell types. Here, we demonstrate that DAPT, inhibitor of γ-secretase that participates in activation of Notch receptors, inhibited the migration and invasion of TNBC cells that were grown in “Contact” co-cultures with MSCs or with patient-derived cancer-associated fibroblasts (CAFs), in the presence of TNFα. DAPT also inhibited the contact-dependent induction of CXCL8, but not of CCL5, in TNFα- and IL-1β-stimulated TNBC:MSC/CAF co-cultures; some level of heterogeneity between the responses of different TNBC cell lines was noted, with MDA-MB-231:MSC/CAF co-cultures being the most sensitive to DAPT. Patient dataset studies comparing basal tumors to luminal-A tumors, and mRNA analyses of Notch receptors in TNBC and luminal-A cells pointed at Notch1 as possible mediator of CXCL8 increase in TNFα-stimulated TNBC:stroma “Contact” co-cultures. Accordingly, down-regulation of Notch1 in TNBC cells by siRNA has substantially reduced the contact-dependent elevation in CXCL8 in TNFα- and also in IL-1β-stimulated TNBC:MSC “Contact” co-cultures. Then, studies in which CXCL8 or p65 (NF-κB pathway) were down-regulated (siRNAs; CRISPR/Cas9) in TNBC cells and/or MSCs, indicated that upon TNFα stimulation of “Contact” co-cultures, p65 was activated and led to CXCL8 production mainly in TNBC cells. Moreover, our findings indicated that when tumor cells interacted with stromal cells in the presence of pro-inflammatory stimuli, TNFα-induced p65 activation has led to elevated Notch1 expression and activation, which then gave rise to elevated production of CXCL8. Overall, tumor:stroma interactions set the stage for Notch1 activation by pro-inflammatory signals, leading to CXCL8 induction and consequently to pro-metastatic activities. These observations may have important clinical implications in designing novel therapy combinations in TNBC.
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Affiliation(s)
- Yulia Liubomirski
- School of Molecular Cell Biology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Shalom Lerrer
- School of Molecular Cell Biology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Tsipi Meshel
- School of Molecular Cell Biology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Dina Morein
- School of Molecular Cell Biology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Linor Rubinstein-Achiasaf
- School of Molecular Cell Biology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - David Sprinzak
- School of Neurobiology, Biochemistry & Biophysics, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Stefan Wiemann
- Division of Molecular Genome Analysis, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Cindy Körner
- Division of Molecular Genome Analysis, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Marcelo Ehrlich
- School of Molecular Cell Biology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Adit Ben-Baruch
- School of Molecular Cell Biology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
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Liu Z, Qi S, Fu Y, Shen L, Li M, Lu J, Zhao X, Zhang H. NUMB knockdown enhanced the anti-tumor role of cisplatin on ovarian cancer cells by inhibiting cell proliferation and epithelial-mesenchymal transition. Transl Cancer Res 2019; 8:379-388. [PMID: 35116770 PMCID: PMC8798962 DOI: 10.21037/tcr.2019.01.35] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 01/14/2019] [Indexed: 11/23/2022]
Abstract
Background NUMB is an inhibitory regulator of NOTCH signaling, which is critical for the induction of epithelial-mesenchymal transition (EMT). Loss of NUMB expression is correlated with the genesis and development of multiple tumors. Recent studies reported that NUMB expression was upregulated in human ovarian cancer. However, the role of NUMB in ovarian cancer is still unclear. Here, we invested the effect of NUMB knockdown on the proliferation and EMT in ovarian cancer cells and explored the role of NUMB in the effect of cisplatin. Methods Two ovarian cancer cells (OVCAR-3 and SK-OV-3) were used in the experiments. The proliferation and apoptosis of ovarian cancer cells was examined using methyl thiazolyl tetrazolium (MTT) test and flow cytometry assays. The invasion and migration of ovarian cancer cells were examined using Transwell assays. The expression of EMT markers were examined using Simple Western analysis. Results NUMB knockdown inhibited cell proliferation, invasion, and migration in both ovarian cancer cells. NUMB knockdown enhanced cisplatin-induced cell growth inhibiting and apoptosis in both ovarian cancer cells. NUMB knockdown enhanced cisplatin-induced cell invasion in SK-OV-3 cells. NUMB knockdown also decreased the expression of N-cadherin and Vimentin in SK-OV-3 cells. Conclusions NUMB acted as an oncogene in ovarian cancer and NUMB knockdown enhanced the anti-tumor role of cisplatin on ovarian carcinoma cells by inhibiting cell proliferation and EMT.
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Affiliation(s)
- Zhao Liu
- Department of Urology, Qilu Hospital of Shandong University, Jinan 250012, China.,Department of Urology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - Shasha Qi
- Center for Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China.,National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan 250021, China.,The Key laboratory for Reproductive Endocrinology, Shandong University, Ministry of Education, Jinan 250021, China
| | - Yibing Fu
- Department of Obstetrics and Gynecology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - Liang Shen
- Department of Obstetrics and Gynecology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - Mingjiang Li
- Department of Obstetrics and Gynecology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - Jiaju Lu
- Department of Urology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - Xingbo Zhao
- Department of Obstetrics and Gynecology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - Hui Zhang
- Department of Obstetrics and Gynecology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
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Küçükköse C, Yalçin Özuysal Ö. Effects of Notch signalling on the expression of SEMA3C, HMGA2, CXCL14, CXCR7, and CCL20 in breast cancer. ACTA ACUST UNITED AC 2019; 43:70-76. [PMID: 30930637 PMCID: PMC6426645 DOI: 10.3906/biy-1808-58] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Metastasis is the main reason for death in breast cancer. Understanding the molecular players in metastasis is crucial for diagnostic and therapeutic purposes. Notch signalling plays an oncogenic role in breast tumorigenesis and is involved in metastasis. Downstream mediators of Notch signalling in prometastatic processes are not yet fully discovered. Here we aimed to investigate whether Notch signalling regulates the expression of SEMA3C, HMGA2, CXCL14, CXCR7, and CCL20, which are involved in prometastatic processes, in breast cell lines. To this end, expression of the selected genes was analysed following Notch activation by overexpression of the Notch1 intracellular domain in the normal breast epithelial cell line MCF10A, and inhibition by silencing of the Notch transcriptional mediator RBPjκ in the breast cancer cell line MDA MB 231. SEMA3C and HMGA2 mRNA were decreased, while CXCL14 and CXCR7 mRNA were increased significantly in response to Notch activation in MCF10A cells. Notch inhibition in MDA MB 231 cells significantly decreased HMGA2 and CCL20 mRNA. Protein levels were not significantly altered by Notch modulation. In conclusion, we showed that Notch signalling regulates expression of SEMA3C, CXCL14, CCL20, CXCR7, and HMGA2, which are prominent candidate genes that might function downstream of Notch to induce prometastatic processes.
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Affiliation(s)
- Cansu Küçükköse
- Department of Molecular Biology and Genetics, Faculty of Science, İzmir Institute of Technology , İzmir , Turkey
| | - Özden Yalçin Özuysal
- Department of Molecular Biology and Genetics, Faculty of Science, İzmir Institute of Technology , İzmir , Turkey
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Harrop R, O’Neill E, Stern PL. Cancer stem cell mobilization and therapeutic targeting of the 5T4 oncofetal antigen. Ther Adv Vaccines Immunother 2019; 7:2515135518821623. [PMID: 30719508 PMCID: PMC6348545 DOI: 10.1177/2515135518821623] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Accepted: 11/27/2018] [Indexed: 12/21/2022] Open
Abstract
Cancer stem cells (CSCs) can act as the cellular drivers of tumors harnessing stem cell properties that contribute to tumorigenesis either as founder elements or by the gain of stem cell traits by the malignant cells. Thus, CSCs can self-renew and generate the cellular heterogeneity of tumors including a hierarchical organization similar to the normal tissue. While the principle tumor growth contribution is often from the non-CSC components, it is the ability of small numbers of CSCs to avoid the effects of therapeutic strategies that can contribute to recurrence after treatment. However, identifying and characterizing CSCs for therapeutic targeting is made more challenging by their cellular potency being influenced by a particular tissue niche or by the capacity of more committed cells to regain stem cell functions. This review discusses the properties of CSCs including the limitations of the available cell surface markers, the assays that document tumor initiation and clonogenicity, the roles of epithelial mesenchymal transition and molecular pathways such as Notch, Wnt, Hippo and Hedgehog. The ability to target and eliminate CSCs is thought to be critical in the search for curative cancer treatments. The oncofetal tumor-associated antigen 5T4 (TBGP) has been linked with CSC properties in several different malignancies. 5T4 has functional attributes that are relevant to the spread of tumors including through EMT, CXCR4/CXCL12, Wnt, and Hippo pathways which may all contribute through the mobilization of CSCs. There are several different immunotherapies targeting 5T4 in development including antibody-drug conjugates, antibody-targeted bacterial super-antigens, a Modified Vaccinia Ankara-basedvaccine and 5T4-directed chimeric antigen receptor T-cells. These immune therapies would have the advantage of targeting both the bulk tumor as well as mobilized CSC populations.
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Affiliation(s)
- Richard Harrop
- Oxford BioMedica plc, Windrush Court, Transport Way, Oxford, OX4 6LT, UK
| | - Eric O’Neill
- Department of Oncology, University of Oxford, Oxford, UK
| | - Peter L. Stern
- Division of Molecular & Clinical Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, Manchester Cancer Research Centre, University of Manchester, Manchester, UK
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Saha SK, Yin Y, Chae HS, Cho SG. Opposing Regulation of Cancer Properties via KRT19-Mediated Differential Modulation of Wnt/β-Catenin/Notch Signaling in Breast and Colon Cancers. Cancers (Basel) 2019; 11:cancers11010099. [PMID: 30650643 PMCID: PMC6357186 DOI: 10.3390/cancers11010099] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 01/04/2019] [Accepted: 01/11/2019] [Indexed: 12/12/2022] Open
Abstract
Although Keratin 19 (KRT19) has been reported as a tumor cell marker and found to interact with other proteins that modulate cancer properties, its role in cancer prognosis remains to be fully elucidated. We found that KRT19 expression was increased in both colon and breast cancer, but that knockdown of KRT19 showed opposing effects on cancer properties. In colon cancer, KRT19 knockdown resulted in suppression of cancer via downregulation of Wnt/Notch signaling without altering NUMB transcription. In breast cancer, KRT19 knockdown led to an increase in cancer properties because of attenuated Wnt and enhanced Notch signaling. In colon cancer, KRT19 interacted with β-catenin but not with RAC1, allowing the LEF/TCF transcription factor to bind primarily to the LEF1 and TCF7 promoter regions, whereas in breast cancer, KRT19 interacted with the β-catenin/RAC1 complex and led to apparent upregulation of NUMB expression and NUMB-mediated suppression of Notch signaling. These results reveal a novel differential role of KRT19 in carcinogenesis, due to differential modulation of Wnt/β-catenin/Notch signaling crosstalk through various interactions of KRT19 with only β-catenin or with the β-catenin/RAC1 complex, which might have implications for clinical cancer research.
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Affiliation(s)
- Subbroto Kumar Saha
- Department of Stem Cell & Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, Seoul 05029, Republic of Korea.
| | - Yingfu Yin
- Department of Stem Cell & Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, Seoul 05029, Republic of Korea.
| | - Hee Sung Chae
- Department of Stem Cell & Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, Seoul 05029, Republic of Korea.
| | - Ssang-Goo Cho
- Department of Stem Cell & Regenerative Biotechnology, Incurable Disease Animal Model & Stem Cell Institute (IDASI), Konkuk University, Seoul 05029, Republic of Korea.
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Giaimo BD, Borggrefe T. Introduction to Molecular Mechanisms in Notch Signal Transduction and Disease Pathogenesis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1066:3-30. [DOI: 10.1007/978-3-319-89512-3_1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Kikuchi H, Sakakibara-Konishi J, Furuta M, Kikuchi E, Kikuchi J, Oizumi S, Hida Y, Kaga K, Kinoshita I, Dosaka-Akita H, Nishimura M. Numb has distinct function in lung adenocarcinoma and squamous cell carcinoma. Oncotarget 2018; 9:29379-29391. [PMID: 30034624 PMCID: PMC6047666 DOI: 10.18632/oncotarget.25585] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Accepted: 05/21/2018] [Indexed: 12/16/2022] Open
Abstract
Some reports suggest that Numb is a potential tumor suppressor. However, its role in non-small cell lung cancer remains unclear. Non-small cell lung cancer comprises two major histological subtypes, adenocarcinoma and squamous cell carcinoma. To investigate the role of Numb in tumorigenesis of lung adenocarcinoma and squamous cell carcinoma, we firstly performed loss-of-function and gain-of-function assays. Moreover, Numb expression was investigated in surgically resected lung adenocarcinoma and squamous cell carcinoma tissues by immunohistochemistry and correlations with prognosis were analyzed. Numb suppressed the proliferation, migration, and invasion of adenocarcinoma cells and inhibited Notch signaling and epithelial-mesenchymal transition in vitro. Numb overexpression also inhibited subcutaneous adenocarcinoma tumor growth. In contrast, Numb promoted the proliferation, migration, and invasion of squamous cell carcinoma cells, but did not induce any consistent changes in Notch signaling. High Numb expression was associated with favorable prognosis in patients with lung adenocarcinoma, but not in those with squamous cell carcinoma. Collectively, our data demonstrate that Numb plays distinct roles in lung adenocarcinoma and squamous cell carcinoma. In lung adenocarcinoma, Numb impairs tumor growth and inhibits the Notch pathway and epithelial-mesenchymal transition, whereas in lung squamous cell carcinoma it may promote proliferation.
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Affiliation(s)
- Hajime Kikuchi
- Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Jun Sakakibara-Konishi
- Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Megumi Furuta
- Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Eiki Kikuchi
- Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Junko Kikuchi
- Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Satoshi Oizumi
- Department of Respiratory Medicine, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan
| | - Yasuhiro Hida
- Department of Cardiovascular and Thoracic Surgery, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Kichizo Kaga
- Department of Cardiovascular and Thoracic Surgery, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Ichiro Kinoshita
- Department of Medical Oncology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Hirotoshi Dosaka-Akita
- Department of Medical Oncology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Masaharu Nishimura
- Department of Respiratory Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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Qi S, Yan L, Liu Z, Mu YL, Li M, Zhao X, Chen ZJ, Zhang H. Melatonin inhibits 17β-estradiol-induced migration, invasion and epithelial-mesenchymal transition in normal and endometriotic endometrial epithelial cells. Reprod Biol Endocrinol 2018; 16:62. [PMID: 29935526 PMCID: PMC6015458 DOI: 10.1186/s12958-018-0375-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Accepted: 06/04/2018] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Melatonin is a potential therapeutic agent for endometriosis, but its molecular mechanism is unclear. Here, we investigated the effect of melatonin on the epithelial-mesenchymal transition (EMT) in endometriotic endometrial epithelial cells and explored the pathway that might be involved. METHODS This hospital-based study included 60 women of reproductive age using the endometrium for immunohistochemistry, 6 women of reproductive age undergoing bilateral tubal ligation and 6 patients with endometriosis for isolation of endometrial epithelial cells or subsequent analysis, respectively. We examined the expression of Notch1/Numb signaling and EMT markers by immunohistochemistry analysis and western blot analysis, the invasion and migration of endometrial epithelial cells by transwell assays, and the cell proliferation by CCK8 assays. RESULTS Compared with normal endometrium, the endometriotic eutopic endometrium showed increased expression of Notch1, Slug, Snail, and N-cadherin, and decreased expression of E-cadherin and Numb. Melatonin or Notch inhibition by specific inhibitor blocked 17β-estradiol-induced cell proliferation, invasion, migration and EMT-related markers in both normal and endometriotic epithelial cells. CONCLUSIONS Our data suggest that aberrant expression of Notch1/Numb signaling and the EMT is present in endometriotic endometrium. Melatonin may block 17β-estradiol-induced migration, invasion and EMT in normal and endometriotic epithelial cells by upregulating Numb expression and decreasing the activity of the Notch signaling pathway.
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Affiliation(s)
- Shasha Qi
- Center for Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, 250021, People's Republic of China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan, 250021, People's Republic of China
- The Key laboratory for Reproductive Endocrinology, Shandong University, Ministry of Education, Jinan, 250021, People's Republic of China
| | - Lei Yan
- Center for Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, 250021, People's Republic of China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan, 250021, People's Republic of China
- The Key laboratory for Reproductive Endocrinology, Shandong University, Ministry of Education, Jinan, 250021, People's Republic of China
| | - Zhao Liu
- Department of Urology, Qilu Hospital of Shandong University, 107 Wenhua Xi Road, Jinan, 250012, People's Republic of China
| | - Yu-Lan Mu
- Department of Obstetrics and Gynecology, Shandong Provincial Hospital Affiliated to Shandong University, 324 Jingwu Road, Jinan, 250021, People's Republic of China
| | - Mingjiang Li
- Department of Obstetrics and Gynecology, Shandong Provincial Hospital Affiliated to Shandong University, 324 Jingwu Road, Jinan, 250021, People's Republic of China
| | - Xingbo Zhao
- Department of Obstetrics and Gynecology, Shandong Provincial Hospital Affiliated to Shandong University, 324 Jingwu Road, Jinan, 250021, People's Republic of China
| | - Zi-Jiang Chen
- Center for Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, 250021, People's Republic of China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan, 250021, People's Republic of China
- The Key laboratory for Reproductive Endocrinology, Shandong University, Ministry of Education, Jinan, 250021, People's Republic of China
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, 200030, People's Republic of China
- Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200030, People's Republic of China
| | - Hui Zhang
- Department of Obstetrics and Gynecology, Shandong Provincial Hospital Affiliated to Shandong University, 324 Jingwu Road, Jinan, 250021, People's Republic of China.
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Mao G, Jin H, Wu L. DDX23-Linc00630-HDAC1 axis activates the Notch pathway to promote metastasis. Oncotarget 2018; 8:38937-38949. [PMID: 28473661 PMCID: PMC5503584 DOI: 10.18632/oncotarget.17156] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Accepted: 04/03/2017] [Indexed: 11/25/2022] Open
Abstract
Emerging studies demonstrated the roles of long non-coding RNAs (LncRNAs) are being implicated in the progression of many cancers. Here we report the discovery of a critical role for the linc00630 in the development of Non-Small-Cell Lung Cancers (NSCLCs). Screening from the microarray of six paired NSCLCs and adjacent non-tumor tissues, linc00630 showed a significantly higher RNA levels in NSCLCs. With the higher level confirmed in a separate cohort 90 NSCLCs patients, overexpressed of linc00630 also positive associated with tumor size, TNM tumor stage, lymph node status positive and overall patient outcomes. Linc00630 overexpression increased cell proliferation and metastasis in vitro and in vivo whereas linc00630 silencing had opposite effects. By RNA pull-down and mass spectrometry we identified Histone deacetylases 1 (HDAC1) and DEAD-box helicase 23 (DDX23) as the linc00630-binding protein that associated with mechanism of linc00630. DDX23 can specific bind with the promoter of Linc00630 to up-regulate the RNA level and high level of linc00630 strength the protein stability of HDAC1 to regulate the downstream pathway. Our study demonstrates the effectiveness of Linc00630 oligonucleotide-based promotion of NSCLCs metastasis and proliferation, illuminating a new basis of DDX23-Linc00630-HDAC1 signal axis for understanding its pathogenicity, which could be further developed as a valuable therapeutic strategy.
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Affiliation(s)
- Guozhang Mao
- Department of Cardio-Thoracic Surgery, Zhoukou Center Hospital of Henan Province, Henan 466000, China
| | - Hui Jin
- Department of Cardio-Thoracic Surgery, Zhoukou Center Hospital of Henan Province, Henan 466000, China
| | - Liuguang Wu
- Department of Cardio-Thoracic Surgery, Zhoukou Center Hospital of Henan Province, Henan 466000, China
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Abstract
OPINION STATEMENT Triple-negative breast cancer (TNBC) accounts for 15% of all breast cancers and is associated with poor long-term outcomes compared to other breast cancer subtypes. Currently, chemotherapy remains the main modality of treatment for early-stage TNBC, as there is no approved targeted therapy for this subtype. The biologic heterogeneity of TNBC has hindered the development and evaluation of novel agents, but recent advancements in subclassifying TNBC have paved the way for further investigation of more effective systemic therapies, including cytotoxic and targeted agents. TNBC is enriched for germline BRCA mutation and for somatic deficiencies in homologous recombination DNA repair, the so-called "BRCAness" phenotype. Together, germline BRCA mutations and BRCAness are promising biomarkers of susceptibility to DNA-damaging therapy. Various investigational approaches are consequently being investigated in early-stage TNBC, including immune checkpoint inhibitors, platinum compounds, PI3K pathway inhibitors, and androgen receptor inhibitors. Due to the biological diversity found within TNBC, patient selection based on molecular biomarkers could aid the design of early-phase clinical trials, ultimately accelerating the clinical application of effective new agents. TNBC is an aggressive breast cancer subtype, for which multiple targeted approaches will likely be required for patient outcomes to be substantially improved.
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Wang K, Li J. Overexpression of ANXA3 is an independent prognostic indicator in gastric cancer and its depletion suppresses cell proliferation and tumor growth. Oncotarget 2018; 7:86972-86984. [PMID: 27894078 PMCID: PMC5349965 DOI: 10.18632/oncotarget.13493] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 10/27/2015] [Indexed: 12/18/2022] Open
Abstract
Background Gastric cancer (GC) is one of the most common malignancies worldwide. Tumour metastasis is one of the leading causes of death in GC patients. This study aims to investigate the significance of ANXA3 expression and the mechanism by which ANXA3 is involved in the epithelial–mensenchymal transition (EMT) of gastric cancer cells. Results Our results confirmed that ANXA3 was high expression at the mRNA and protein level in GC cancer tissues and the majority of GC cell lines. In clinicopathological analysis, we found that increased expression of ANXA3 in tumors was closely associated with a poor prognosis. Xogenous ANXA3 transduction promoted proliferation, clone formation, migration, and invasion. Small interfering RNA silencing of ANXA3 inhibited these processes. Silence of ANXA3 inhibited tumorigenicity in vivo. Additionally, ANXA3 expression is associated with the epithelial–mesenchymal transition. Methods Firstly, we investigated the ANXA3 expression on mRNA and protein level with RT-PCR and Western blot. Secondly, 183 GC patients tissues were used the to evaluate the clinicopathological characteristics and prognosis through immunohistochemistry. Furthermore, The functions of ANXA3 were analyzed in the cell proliferation, Colony Formation, migration, invasion and apoptosis of GC cell lines. Conclusions Our research suggests that ANXA3 plays important roles in gastric cancer carcinogenesis and metastasis, and provides a valuable prognostic marker and potential target for treatment of gastric cancer patients.
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Affiliation(s)
- Ke Wang
- Department of Gastroenterology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Jiansheng Li
- Department of Gastroenterology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
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Zhang Z, Qu J, Zheng C, Zhang P, Zhou W, Cui W, Mo X, Li L, Xu L, Gao J. Nrf2 antioxidant pathway suppresses Numb-mediated epithelial-mesenchymal transition during pulmonary fibrosis. Cell Death Dis 2018; 9:83. [PMID: 29362432 PMCID: PMC5833372 DOI: 10.1038/s41419-017-0198-x] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 12/04/2017] [Accepted: 12/05/2017] [Indexed: 12/16/2022]
Abstract
Epithelial mesenchymal transition (EMT) is a key progression that promotes pulmonary fibrosis (PF). Numb, a phosphotyrosine-binding domain (PTB) protein, is implicated with EMT. Nuclear factor erythroid 2-related factor2 (Nrf2) and its downstream proteins heme oxygenase-1 (HO-1) and NAD(P)H: quinone oxidoreductase 1 (NQO1) constitute an important pathway of antioxidant defense signal for protecting against PF. It remains elusive whether Nrf2 antioxidant pathway and Numb have a potential relationship in EMT-mediated PF. Here, we observed the effects of Nrf2 pathway and Numb on bleomycin(BLM)-induced PF in Nrf2-knockout (Nrf2-/-) and wild-type (WT) mice. Meanwhile, rat type II alveolar epithelial cells line (RLE-6TN) and human epithelial cells line (A549) were both treated with an Nrf2 activator sulforaphane (SFN), or transfected siRNAs of Nrf2 and Numb to unravel roles of Nrf2 pathway, Numb and the link between them on transforming growth factor β1 (TGF-β1)-induced EMT. We found BLM-induced lung fibrosis were more severe in Nrf2-/- mice compared to WT mice with reduced expressions of HO-1 and NQO1. Numb was enhanced with down-regulated expressions of Nrf2 in BLM groups and further increased in Nrf2-/- groups. In vitro, given exogenous TGF-β1 on RLE-6TN and A549 up-regulated Numb expressions, accompanied with down-regulations of Nrf2 and its target proteins HO-1 and NQO1. Transfected with Nrf2 and Numb siRNAs further aggravated and relieved the progression of EMT, respectively. Inversely, activating Nrf2 pathway by SFN reduced the expression of Numb and EMT-related protein. Moreover, Numb deficiency by siRNA relieved the protection of activating Nrf2 against EMT. In conclusion, activating Nrf2 antioxidant pathway suppresses EMT during PF via inhibiting the abnormal expression of Numb. These findings provide insight into PF pathogenesis and a basis for novel treatment approaches.
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Affiliation(s)
- Zhihui Zhang
- The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
| | - Jiao Qu
- The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, 116023, China
- School of Pharmacy, Dalian Medical University, Dalian, Liaoning, 116044, China
| | - Cheng Zheng
- The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
| | - Panpan Zhang
- School of Pharmacy, Dalian Medical University, Dalian, Liaoning, 116044, China
| | - Wencheng Zhou
- School of Pharmacy, Anhui Medical University, Hefei, Anhui, 230032, China
| | - Wenhui Cui
- School of Pharmacy, Anhui Medical University, Hefei, Anhui, 230032, China
| | - Xiaoting Mo
- School of Pharmacy, Anhui Medical University, Hefei, Anhui, 230032, China
| | - Liucheng Li
- The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
| | - Liang Xu
- The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
| | - Jian Gao
- The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China.
- The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, 116023, China.
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49
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Bocci F, Jolly MK, Tripathi SC, Aguilar M, Hanash SM, Levine H, Onuchic JN. Numb prevents a complete epithelial-mesenchymal transition by modulating Notch signalling. J R Soc Interface 2017; 14:20170512. [PMID: 29187638 PMCID: PMC5721160 DOI: 10.1098/rsif.2017.0512] [Citation(s) in RCA: 91] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Accepted: 11/02/2017] [Indexed: 12/31/2022] Open
Abstract
Epithelial-mesenchymal transition (EMT) plays key roles during embryonic development, wound healing and cancer metastasis. Cells in a partial EMT or hybrid epithelial/mesenchymal (E/M) phenotype exhibit collective cell migration, forming clusters of circulating tumour cells-the primary drivers of metastasis. Activation of cell-cell signalling pathways such as Notch fosters a partial or complete EMT, yet the mechanisms enabling cluster formation remain poorly understood. Using an integrated computational-experimental approach, we examine the role of Numb-an inhibitor of Notch intercellular signalling-in mediating EMT and clusters formation. We show via an mathematical model that Numb inhibits a full EMT by stabilizing a hybrid E/M phenotype. Consistent with this observation, knockdown of Numb in stable hybrid E/M cells H1975 results in a full EMT, thereby showing that Numb acts as a brake for a full EMT and thus behaves as a 'phenotypic stability factor' by modulating Notch-driven EMT. By generalizing the mathematical model to a multi-cell level, Numb is predicted to alter the balance of hybrid E/M versus mesenchymal cells in clusters, potentially resulting in a higher tumour-initiation ability. Finally, Numb correlates with a worse survival in multiple independent lung and ovarian cancer datasets, hence confirming its relationship with increased cancer aggressiveness.
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Affiliation(s)
- Federico Bocci
- Center for Theoretical Biological Physics, Rice University, Houston, TX, USA
- Department of Chemistry, Rice University, Houston, TX, USA
| | - Mohit K Jolly
- Center for Theoretical Biological Physics, Rice University, Houston, TX, USA
| | - Satyendra C Tripathi
- Department of Clinical Cancer Prevention, UT MD Anderson Cancer Center, Houston, TX, USA
| | - Mitzi Aguilar
- Department of Clinical Cancer Prevention, UT MD Anderson Cancer Center, Houston, TX, USA
| | - Samir M Hanash
- Department of Clinical Cancer Prevention, UT MD Anderson Cancer Center, Houston, TX, USA
| | - Herbert Levine
- Center for Theoretical Biological Physics, Rice University, Houston, TX, USA
- Department of Bioengineering, Rice University, Houston, TX, USA
- Department of Physics and Astronomy, Rice University, Houston, TX, USA
- Department of Biosciences, Rice University, Houston, TX, USA
| | - José N Onuchic
- Center for Theoretical Biological Physics, Rice University, Houston, TX, USA
- Department of Chemistry, Rice University, Houston, TX, USA
- Department of Physics and Astronomy, Rice University, Houston, TX, USA
- Department of Biosciences, Rice University, Houston, TX, USA
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50
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Guo Y, Zhang K, Cheng C, Ji Z, Wang X, Wang M, Chu M, Tang DG, Zhu HH, Gao WQ. Numb -/low Enriches a Castration-Resistant Prostate Cancer Cell Subpopulation Associated with Enhanced Notch and Hedgehog Signaling. Clin Cancer Res 2017; 23:6744-6756. [PMID: 28751447 DOI: 10.1158/1078-0432.ccr-17-0913] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Revised: 06/09/2017] [Accepted: 07/18/2017] [Indexed: 11/16/2022]
Abstract
Purpose: To elucidate the role and molecular mechanism of Numb in prostate cancer and the functional contribution of Numb-/low prostate cancer cells in castration resistance.Experimental Design: The expression of Numb was assessed using multiple Oncomine datasets and prostate cancer tissues from both humans and mice. The biological effects of the overexpression and knockdown of Numb in human prostate cancer cell lines were investigated in vitro and in vivo In addition, we developed a reliable approach to distinguish between prostate cancer cell populations with a high or low endogenous expression of Numb protein using a Numb promoter-based lentiviral reporter system. The difference between Numb-/low and Numbhigh prostate cancer cells in the response to androgen-deprivation therapy (ADT) was then tested. The likely downstream factors of Numb were analyzed using luciferase reporter assays, immunoblotting, and quantitative real-time PCR.Results: We show here that Numb was downregulated and negatively correlated with prostate cancer advancement. Functionally, Numb played an inhibitory role in xenograft prostate tumor growth and castration-resistant prostate cancer development by suppressing Notch and Hedgehog signaling. Using a Numb promoter-based lentiviral reporter system, we were able to distinguish Numb-/low prostate cancer cells from Numbhigh cells. Numb-/low prostate cancer cells were smaller and quiescent, preferentially expressed Notch and Hedgehog downstream and stem-cell-associated genes, and associated with a greater resistance to ADT. The inhibition of the Notch and Hedgehog signaling pathways significantly increased apoptosis in Numb-/low cells in response to ADT.Conclusions: Numb-/low enriches a castration-resistant prostate cancer cell subpopulation that is associated with unregulated Notch and Hedgehog signaling. Clin Cancer Res; 23(21); 6744-56. ©2017 AACR.
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Affiliation(s)
- Yanjing Guo
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Kai Zhang
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Chaping Cheng
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Zhongzhong Ji
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Xue Wang
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Minglei Wang
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Mingliang Chu
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Dean G Tang
- Department of Pharmacology and Therapeutics, Roswell Park Cancer Institute, Carlton and Elm Streets, Buffalo, New York
| | - Helen He Zhu
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
| | - Wei-Qiang Gao
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
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