1
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Lu Y, Berenson A, Lane R, Guelin I, Li Z, Chen Y, Shah S, Yin M, Soto-Ugaldi LF, Fiszbein A, Fuxman Bass JI. A large-scale cancer-specific protein-DNA interaction network. Life Sci Alliance 2024; 7:e202402641. [PMID: 39013578 PMCID: PMC11252446 DOI: 10.26508/lsa.202402641] [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: 02/03/2024] [Revised: 07/03/2024] [Accepted: 07/04/2024] [Indexed: 07/18/2024] Open
Abstract
Cancer development and progression are generally associated with gene dysregulation, often resulting from changes in the transcription factor (TF) sequence or expression. Identifying key TFs involved in cancer gene regulation provides a framework for potential new therapeutics. This study presents a large-scale cancer gene TF-DNA interaction network, as well as an extensive promoter clone resource for future studies. Highly connected TFs bind to promoters of genes associated with either good or poor cancer prognosis, suggesting that strategies aimed at shifting gene expression balance between these two prognostic groups may be inherently complex. However, we identified potential for oncogene-targeted therapeutics, with half of the tested oncogenes being potentially repressed by influencing specific activators or bifunctional TFs. Finally, we investigate the role of intrinsically disordered regions within the key cancer-related TF ESR1 in DNA binding and transcriptional activity, and found that these regions can have complex trade-offs in TF function. Altogether, our study broadens our knowledge of the TFs involved in cancer gene regulation and provides a valuable resource for future studies and therapeutics.
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Affiliation(s)
- Yunwei Lu
- https://ror.org/05qwgg493 Biology Department, Boston University, Boston, MA, USA
| | - Anna Berenson
- https://ror.org/05qwgg493 Biology Department, Boston University, Boston, MA, USA
- https://ror.org/05qwgg493 Molecular Biology, Cellular Biology and Biochemistry Program, Boston University, Boston, MA, USA
| | - Ryan Lane
- https://ror.org/05qwgg493 Biology Department, Boston University, Boston, MA, USA
| | - Isabelle Guelin
- https://ror.org/05qwgg493 Biology Department, Boston University, Boston, MA, USA
| | - Zhaorong Li
- https://ror.org/05qwgg493 Bioinformatics Program, Boston University, Boston, MA, USA
| | - Yilin Chen
- https://ror.org/05qwgg493 Biology Department, Boston University, Boston, MA, USA
| | - Sakshi Shah
- https://ror.org/05qwgg493 Biology Department, Boston University, Boston, MA, USA
| | - Meimei Yin
- https://ror.org/05qwgg493 Biology Department, Boston University, Boston, MA, USA
| | | | - Ana Fiszbein
- https://ror.org/05qwgg493 Biology Department, Boston University, Boston, MA, USA
- https://ror.org/05qwgg493 Molecular Biology, Cellular Biology and Biochemistry Program, Boston University, Boston, MA, USA
- https://ror.org/05qwgg493 Bioinformatics Program, Boston University, Boston, MA, USA
| | - Juan Ignacio Fuxman Bass
- https://ror.org/05qwgg493 Biology Department, Boston University, Boston, MA, USA
- https://ror.org/05qwgg493 Molecular Biology, Cellular Biology and Biochemistry Program, Boston University, Boston, MA, USA
- https://ror.org/05qwgg493 Bioinformatics Program, Boston University, Boston, MA, USA
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2
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Zhan S, Bai X, Zhao Y, Tuoheti K, Yisha Z, Zuo Y, Lu P, Liu T. TGFBI promotes proliferation and epithelial-mesenchymal transition in renal cell carcinoma through PI3K/AKT/mTOR/HIF-1α pathway. Cancer Cell Int 2024; 24:265. [PMID: 39068456 PMCID: PMC11282683 DOI: 10.1186/s12935-024-03454-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 07/16/2024] [Indexed: 07/30/2024] Open
Abstract
BACKGROUND Renal cell carcinoma (RCC) is presently recognized as the most prevalent kidney tumor. However, the role and underlying mechanism of action of the conversion factor-inducible protein (TGFBI), an extracellular matrix protein, in RCC remain poorly understood. METHODS In this study, we employed Western blot, quantitative real-time polymerase chain reaction (qRT-PCR), and immunohistochemistry techniques to assess the expression of TGFBI in RCC tissues or cells. Furthermore, we analyzed the proliferation and migration of RCC cells using CCK8, cloning, scratching, and migration assays. Additionally, we examined apoptosis and cell cycle progression through flow cytometry, analysis. Lastly, we employed gene set enrichment analysis (GSEA) to investigate the biological processes associated with TGFBI, which were subsequently validated. RESULTS The findings indicate that TGFBI exhibits significantly elevated expression levels in both renal cell carcinoma (RCC) tissues and cells. Furthermore, the knockdown of TGFBI in SiRNA transfected cells resulted in the inhibition of RCC cell proliferation, migration, invasiveness, apoptosis, and alteration of the cell cycle. Additionally, TGFBI was found to impede the epithelial-mesenchymal transition (EMT) process in RCC cells. Bioinformatics analysis suggests that TGFBI may exert its influence on various biological processes in RCC through the tumor immune microenvironment. Moreover, our study demonstrates that TGFBI promotes RCC progression by activating the PI3K/AKT/mTOR/HIF-1α. CONCLUSIONS Our research indicates that TGFBI exhibits high expression in RCC and facilitate RCC progression and metastasis through various molecular mechanisms. Hence, TGFBI has the potential to be a novel therapeutic target for the diagnosis and treatment of RCC in the future.
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Affiliation(s)
- Shanzhi Zhan
- Department of Urology, Zhongnan Hospital of Wuhan University, 169 Donghu Road, Wuhan, 430071, China
| | - Xiaojie Bai
- Department of Urology, Zhongnan Hospital of Wuhan University, 169 Donghu Road, Wuhan, 430071, China
| | - Yiqiao Zhao
- Department of Urology, Zhongnan Hospital of Wuhan University, 169 Donghu Road, Wuhan, 430071, China
| | - Kuerban Tuoheti
- Department of Urology, Zhongnan Hospital of Wuhan University, 169 Donghu Road, Wuhan, 430071, China
| | - Zuhaer Yisha
- Department of Urology, Zhongnan Hospital of Wuhan University, 169 Donghu Road, Wuhan, 430071, China
| | - Yingtong Zuo
- Department of Urology, Zhongnan Hospital of Wuhan University, 169 Donghu Road, Wuhan, 430071, China
| | - Peixiang Lu
- Department of Urology, Zhongnan Hospital of Wuhan University, 169 Donghu Road, Wuhan, 430071, China
| | - Tongzu Liu
- Department of Urology, Zhongnan Hospital of Wuhan University, 169 Donghu Road, Wuhan, 430071, China.
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Fan W, Xing Y, Yan S, Liu W, Ning J, Tian F, Wang X, Zhan Y, Luo L, Cao M, Huang J, Cai L. DUSP5 regulated by YTHDF1-mediated m6A modification promotes epithelial-mesenchymal transition and EGFR-TKI resistance via the TGF-β/Smad signaling pathway in lung adenocarcinoma. Cancer Cell Int 2024; 24:208. [PMID: 38872157 DOI: 10.1186/s12935-024-03382-6] [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: 02/16/2024] [Accepted: 05/23/2024] [Indexed: 06/15/2024] Open
Abstract
BACKGROUND Lung adenocarcinoma (LUAD) patients have a dismal survival rate because of cancer metastasis and drug resistance. The study aims to identify the genes that concurrently modulate EMT, metastasis and EGFR-TKI resistance, and to investigate the underlying regulatory mechanisms. METHODS Cox regression and Kaplan-Meier analyses were applied to identify prognostic oncogenes in LUAD. Gene set enrichment analysis (GSEA) was used to indicate the biological functions of the gene. Wound-healing and Transwell assays were used to detect migratory and invasive ability. EGFR-TKI sensitivity was evaluated by assessing the proliferation, clonogenic survival and metastatic capability of cancer cells with treatment with gefitinib. Methylated RNA immunoprecipitation (MeRIP) and RNA immunoprecipitation (RIP) analyses established the level of m6A modification present on the target gene and the protein's capability to interact with RNA, respectively. Single-sample gene set enrichment (ssGSEA) algorithm used to investigate levels of immune cell infiltration. RESULTS Our study identified dual-specificity phosphatase 5 (DUSP5) as a novel and powerful predictor of adverse outcomes for LUAD by using public datasets. Functional enrichment analysis found that DUSP5 was positively enriched in EMT and transforming growth factor-beta (TGF-β) signaling pathway, a prevailing pathway involved in the induction of EMT. As expected, DUSP5 knockdown suppressed EMT via inhibiting the canonical TGF-β/Smad signaling pathway in in vitro experiments. Consistently, knockdown of DUSP5 was first found to inhibit migratory ability and invasiveness of LUAD cells in in vitro and prevent lung metastasis in in vivo. DUSP5 knockdown re-sensitized gefitinib-resistant LUAD cells to gefitinib, accompanying reversion of EMT progress. In LUAD tissue samples, we found 14 cytosine-phosphate-guanine (CpG) sites of DUSP5 that were negatively associated with DUSP5 gene expression. Importantly, 5'Azacytidine (AZA), an FDA-approved DNA methyltransferase inhibitor, restored DUSP5 expression. Moreover, RIP experiments confirmed that YTH N6-methyladenosine RNA binding protein 1 (YTHDF1), a m6A reader protein, could bind DUSP5 mRNA. YTHDF1 promoted DUSP5 expression and the malignant phenotype of LUAD cells. In addition, the DUSP5-derived genomic model revealed the two clusters with distinguishable immune features and tumor mutational burden (TMB). CONCLUSIONS Briefly, our study discovered DUSP5 which was regulated by epigenetic modification, might be a potential therapeutic target, especially in LUAD patients with acquired EGFR-TKI resistance.
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Affiliation(s)
- Weina Fan
- The Fourth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Haping Road 150, Harbin, 150081, China
| | - Ying Xing
- The Fourth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Haping Road 150, Harbin, 150081, China
| | - Shi Yan
- The Fourth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Haping Road 150, Harbin, 150081, China
| | - Wei Liu
- The Fourth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Haping Road 150, Harbin, 150081, China
| | - Jinfeng Ning
- Department of Thoracic Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Fanglin Tian
- The Fourth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Haping Road 150, Harbin, 150081, China
| | - Xin Wang
- The Fourth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Haping Road 150, Harbin, 150081, China
| | - Yuning Zhan
- The Fourth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Haping Road 150, Harbin, 150081, China
| | - Lixin Luo
- The Fourth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Haping Road 150, Harbin, 150081, China
| | - Mengru Cao
- The Fourth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Haping Road 150, Harbin, 150081, China.
| | - Jian Huang
- The Fourth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Haping Road 150, Harbin, 150081, China.
| | - Li Cai
- The Fourth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Haping Road 150, Harbin, 150081, China.
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Chen Y, Ji Y, Shen L, Li Y, Ren Y, Shi H, Li Y, Wu Y. High core 1β1,3-galactosyltransferase 1 expression is associated with poor prognosis and promotes cellular radioresistance in lung adenocarcinoma. J Cancer Res Clin Oncol 2024; 150:214. [PMID: 38662050 PMCID: PMC11045595 DOI: 10.1007/s00432-024-05745-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Accepted: 04/07/2024] [Indexed: 04/26/2024]
Abstract
PURPOSE Core 1β1,3-galactosyltransferase 1 (C1GALT1) exhibits elevated expression in multiple cancers. The present study aimed to elucidate the clinical significance of C1GALT1 aberrant expression and its impact on radiosensitivity in lung adenocarcinoma (LUAD). METHODS The C1GALT1 expression and its clinical relevance were investigated through public databases and LUAD tissue microarray analyses. A549 and H1299 cells with either C1GALT1 knockdown or overexpression were further assessed through colony formation, gamma-H2A histone family member X immunofluorescence, 5-ethynyl-2'-deoxyuridine incorporation, and flow cytometry assays. Bioinformatics analysis was used to explore single cell sequencing data, revealing the influence of C1GALT1 on cancer-associated cellular states. Vimentin, N-cadherin, and E-cadherin protein levels were measured through western blotting. RESULTS The expression of C1GALT1 was significantly higher in LUAD tissues than in adjacent non-tumor tissues both at mRNA and protein level. High expression of C1GALT1 was correlated with lymph node metastasis, advanced T stage, and poor survival, and was an independent risk factor for overall survival. Radiation notably upregulated C1GALT1 expression in A549 and H1299 cells, while radiosensitivity was increased following C1GALT1 knockdown and decreased following overexpression. Experiment results showed that overexpression of C1GALT1 conferred radioresistance, promoting DNA repair, cell proliferation, and G2/M phase arrest, while inhibiting apoptosis and decreasing E-cadherin expression, alongside upregulating vimentin and N-cadherin in A549 and H1299 cells. Conversely, C1GALT1 knockdown had opposing effects. CONCLUSION Elevated C1GALT1 expression in LUAD is associated with an unfavorable prognosis and contributes to increased radioresistance potentially by affecting DNA repair, cell proliferation, cell cycle regulation, and epithelial-mesenchymal transition (EMT).
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Affiliation(s)
- Yong Chen
- Department of Medical Oncology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Yanyan Ji
- Department of Medical Oncology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Lin Shen
- Department of Medical Oncology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Ying Li
- Department of Medical Oncology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Yue Ren
- Department of Medical Oncology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Hongcan Shi
- Department of Cardiothoracic Surgery, Medical College of Yangzhou University, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Yue Li
- Department of Medical Oncology, Clinical College of Dalian Medical University, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Yunjiang Wu
- Department of Thoracic Surgery, Affiliated Hospital of Yangzhou University, Yangzhou University, No. 368 Hanjiang Road, Yangzhou, 225009, Jiangsu, People's Republic of China.
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5
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Din ZU, Cui B, Wang C, Zhang X, Mehmood A, Peng F, Liu Q. Crosstalk between lipid metabolism and EMT: emerging mechanisms and cancer therapy. Mol Cell Biochem 2024:10.1007/s11010-024-04995-1. [PMID: 38622439 DOI: 10.1007/s11010-024-04995-1] [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: 11/18/2023] [Accepted: 03/19/2024] [Indexed: 04/17/2024]
Abstract
Lipids are the key component of all membranes composed of a variety of molecules that transduce intracellular signaling and provide energy to the cells in the absence of nutrients. Alteration in lipid metabolism is a major factor for cancer heterogeneity and a newly identified cancer hallmark. Reprogramming of lipid metabolism affects the diverse cancer phenotypes, especially epithelial-mesenchymal transition (EMT). EMT activation is considered to be an essential step for tumor metastasis, which exhibits a crucial role in the biological processes including development, wound healing, and stem cell maintenance, and has been widely reported to contribute pathologically to cancer progression. Altered lipid metabolism triggers EMT and activates multiple EMT-associated oncogenic pathways. Although the role of lipid metabolism-induced EMT in tumorigenesis is an attractive field of research, there are still significant gaps in understanding the underlying mechanisms and the precise contributions of this interplay. Further study is needed to clarify the specific molecular mechanisms driving the crosstalk between lipid metabolism and EMT, as well as to determine the potential therapeutic implications. The increased dependency of tumor cells on lipid metabolism represents a novel therapeutic target, and targeting altered lipid metabolism holds promise as a strategy to suppress EMT and ultimately inhibit metastasis.
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Grants
- 2022YFA1104002 National Key R&D Program of China
- 2022YFA1104002 National Key R&D Program of China
- 2022YFA1104002 National Key R&D Program of China
- 2022YFA1104002 National Key R&D Program of China
- No. 82373096, No. 82273480, No. 82002960, No. 82003141 National Natural Science Foundation of China
- No. 82373096, No. 82273480, No. 82002960, No. 82003141 National Natural Science Foundation of China
- No. 82373096, No. 82273480, No. 82002960, No. 82003141 National Natural Science Foundation of China
- No. 82373096, No. 82273480, No. 82002960, No. 82003141 National Natural Science Foundation of China
- 2023JH2/101600019 to FP Applied Basic Research Planning Project of Liaoning
- 2023JH2/101600019 to FP Applied Basic Research Planning Project of Liaoning
- 2023JH2/101600019 to FP Applied Basic Research Planning Project of Liaoning
- 2023JH2/101600019 to FP Applied Basic Research Planning Project of Liaoning
- 2023RY013 Science and Technology Talent Innovation Support Policy Implementation Program of Dalian-Outstanding young scientific and technological talents
- 2023RY013 Science and Technology Talent Innovation Support Policy Implementation Program of Dalian-Outstanding young scientific and technological talents
- 2023RY013 Science and Technology Talent Innovation Support Policy Implementation Program of Dalian-Outstanding young scientific and technological talents
- 2023RY013 Science and Technology Talent Innovation Support Policy Implementation Program of Dalian-Outstanding young scientific and technological talents
- 2021RQ004 Dalian High-level Talents Innovation Support Program-Young Science and Technology Star
- 2021RQ004 Dalian High-level Talents Innovation Support Program-Young Science and Technology Star
- 2021RQ004 Dalian High-level Talents Innovation Support Program-Young Science and Technology Star
- 2021RQ004 Dalian High-level Talents Innovation Support Program-Young Science and Technology Star
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Affiliation(s)
- Zaheer Ud Din
- Institute of Cancer Stem Cell, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Institute of Aging Research, Guangdong Medical University, Dongguan, China
| | - Bai Cui
- Institute of Cancer Stem Cell, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China
- State Key Laboratory of Oncology in South China, Cancer Center, Sun Yat-Sen University, Guangzhou, 510060, China
| | - Cenxin Wang
- Institute of Cancer Stem Cell, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China
| | - Xiaoyu Zhang
- Institute of Cancer Stem Cell, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China
| | - Arshad Mehmood
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China
| | - Fei Peng
- Institute of Cancer Stem Cell, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China.
| | - Quentin Liu
- Institute of Cancer Stem Cell, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China.
- State Key Laboratory of Oncology in South China, Cancer Center, Sun Yat-Sen University, Guangzhou, 510060, China.
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6
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Lu Y, Berenson A, Lane R, Guelin I, Li Z, Chen Y, Shah S, Yin M, Soto-Ugaldi LF, Fiszbein A, Fuxman Bass JI. A large-scale cancer-specific protein-DNA interaction network. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.24.577099. [PMID: 38352498 PMCID: PMC10862707 DOI: 10.1101/2024.01.24.577099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
Cancer development and progression are generally associated with dysregulation of gene expression, often resulting from changes in transcription factor (TF) sequence or expression. Identifying key TFs involved in cancer gene regulation provides a framework for potential new therapeutics. This study presents a large-scale cancer gene TF-DNA interaction network as well as an extensive promoter clone resource for future studies. Most highly connected TFs do not show a preference for binding to promoters of genes associated with either good or poor cancer prognosis, suggesting that emerging strategies aimed at shifting gene expression balance between these two prognostic groups may be inherently complex. However, we identified potential for oncogene targeted therapeutics, with half of the tested oncogenes being potentially repressed by influencing specific activator or bifunctional TFs. Finally, we investigate the role of intrinsically disordered regions within the key cancer-related TF estrogen receptor ɑ (ESR1) on DNA binding and transcriptional activity, and found that these regions can have complex trade-offs in TF function. Altogether, our study not only broadens our knowledge of TFs involved in the cancer gene regulatory network but also provides a valuable resource for future studies, laying a foundation for potential therapeutic strategies targeting TFs in cancer.
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Affiliation(s)
- Yunwei Lu
- Biology Department, Boston University, Boston, MA, 02215, USA
| | - Anna Berenson
- Biology Department, Boston University, Boston, MA, 02215, USA
- Molecular Biology, Cellular Biology and Biochemistry Program, Boston University, Boston, MA, 02215, USA
| | - Ryan Lane
- Biology Department, Boston University, Boston, MA, 02215, USA
| | - Isabelle Guelin
- Biology Department, Boston University, Boston, MA, 02215, USA
| | - Zhaorong Li
- Bioinformatics Program, Boston University, Boston, MA, 02215, USA
| | - Yilin Chen
- Biology Department, Boston University, Boston, MA, 02215, USA
| | - Sakshi Shah
- Biology Department, Boston University, Boston, MA, 02215, USA
| | - Meimei Yin
- Biology Department, Boston University, Boston, MA, 02215, USA
| | | | - Ana Fiszbein
- Biology Department, Boston University, Boston, MA, 02215, USA
- Molecular Biology, Cellular Biology and Biochemistry Program, Boston University, Boston, MA, 02215, USA
- Bioinformatics Program, Boston University, Boston, MA, 02215, USA
| | - Juan Ignacio Fuxman Bass
- Biology Department, Boston University, Boston, MA, 02215, USA
- Molecular Biology, Cellular Biology and Biochemistry Program, Boston University, Boston, MA, 02215, USA
- Bioinformatics Program, Boston University, Boston, MA, 02215, USA
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7
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Zheng J, Sun B, Berardi D, Lu L, Yan H, Zheng S, Aladelokun O, Xie Y, Cai Y, Godri Pollitt KJ, Khan SA, Johnson CH. Perfluorooctanesulfonic Acid and Perfluorooctanoic Acid Promote Migration of Three-Dimensional Colorectal Cancer Spheroids. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:21016-21028. [PMID: 38064429 DOI: 10.1021/acs.est.3c04844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
Perfluorooctanesulfonic acid (PFOS) and perfluorooctanoic acid (PFOA) are persistent environmental contaminants that are of increasing public concern worldwide. However, their relationship with colorectal cancer (CRC) is poorly understood. This study aims to comprehensively investigate the effect of PFOS and PFOA on the development and progression of CRC in vitro using a series of biological techniques and metabolic profiling. Herein, the migration of three-dimensional (3D) spheroids of two CRC cell lines, SW48 KRAS wide-type (WT) and SW48 KRAS G12A, were observed after exposure to PFOS and PFOA at 2 μM and 10 μM for 7 days. The time and dose-dependent migration phenotype induced by 10 μM PFOS and PFOA was further confirmed by wound healing and trans-well migration assays. To investigate the mechanism of action, derivatization-mass spectrometry-based metabolic profiles were examined from 3D spheroids of SW48 cell lines exposed to PFOS and PFOA (2 μM and 10 μM). Our findings revealed this exposure altered epithelial-mesenchymal transition related metabolic pathways, including fatty acid β-oxidation and synthesis of proteins, nucleotides, and lipids. Furthermore, this phenotype was confirmed by the downregulation of E-cadherin and upregulation of N-cadherin and vimentin. These findings show novel insight into the relationship between PFOS, PFOA, and CRC.
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Affiliation(s)
- Jie Zheng
- Department of Environmental Health Sciences, Yale School of Public Health, Yale University, New Haven, Connecticut 06510, United States
| | - Boshi Sun
- Division of Surgical Oncology, Department of Surgery, Yale University School of Medicine, New Haven, Connecticut 06510, United States
- Department of General Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, China
| | - Domenica Berardi
- Department of Environmental Health Sciences, Yale School of Public Health, Yale University, New Haven, Connecticut 06510, United States
| | - Lingeng Lu
- Department of Chronic Disease Epidemiology, Yale School of Public Health, Yale University, New Haven, Connecticut 06510, United States
| | - Hong Yan
- Department of Environmental Health Sciences, Yale School of Public Health, Yale University, New Haven, Connecticut 06510, United States
| | - Shujian Zheng
- Jackson Laboratory for Genomic Medicine, Farmington, Connecticut 06032, United States
| | - Oladimeji Aladelokun
- Department of Environmental Health Sciences, Yale School of Public Health, Yale University, New Haven, Connecticut 06510, United States
| | - Yangzhouyun Xie
- Division of Vascular Surgery and Endovascular Therapy, Department of Surgery, Yale University School of Medicine, New Haven, Connecticut 06510, United States
| | - Yujun Cai
- Division of Vascular Surgery and Endovascular Therapy, Department of Surgery, Yale University School of Medicine, New Haven, Connecticut 06510, United States
| | - Krystal J Godri Pollitt
- Department of Environmental Health Sciences, Yale School of Public Health, Yale University, New Haven, Connecticut 06510, United States
| | - Sajid A Khan
- Division of Surgical Oncology, Department of Surgery, Yale University School of Medicine, New Haven, Connecticut 06510, United States
| | - Caroline H Johnson
- Department of Environmental Health Sciences, Yale School of Public Health, Yale University, New Haven, Connecticut 06510, United States
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8
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Schaer DJ, Schulthess-Lutz N, Baselgia L, Hansen K, Buzzi RM, Humar R, Dürst E, Vallelian F. Hemorrhage-activated NRF2 in tumor-associated macrophages drives cancer growth, invasion, and immunotherapy resistance. J Clin Invest 2023; 134:e174528. [PMID: 38060331 PMCID: PMC10849758 DOI: 10.1172/jci174528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 11/28/2023] [Indexed: 02/02/2024] Open
Abstract
Microscopic hemorrhage is a common aspect of cancers, yet its potential role as an independent factor influencing both cancer progression and therapeutic response is largely ignored. Recognizing the essential function of macrophages in red blood cell disposal, we explored a pathway that connects intratumoral hemorrhage with the formation of cancer-promoting tumor-associated macrophages (TAMs). Using spatial transcriptomics, we found that NRF2-activated myeloid cells possessing characteristics of procancerous TAMs tend to cluster in perinecrotic hemorrhagic tumor regions. These cells resembled antiinflammatory erythrophagocytic macrophages. We identified heme, a red blood cell metabolite, as a pivotal microenvironmental factor steering macrophages toward protumorigenic activities. Single-cell RNA-Seq and functional assays of TAMs in 3D cell culture spheroids revealed how elevated intracellular heme signals via the transcription factor NRF2 to induce cancer-promoting TAMs. These TAMs stabilized epithelial-mesenchymal transition, enhancing cancer invasiveness and metastatic potential. Additionally, NRF2-activated macrophages exhibited resistance to reprogramming by IFN-γ and anti-CD40 antibodies, reducing their tumoricidal capacity. Furthermore, MC38 colon adenocarcinoma-bearing mice with NRF2 constitutively activated in leukocytes were resistant to anti-CD40 immunotherapy. Overall, our findings emphasize hemorrhage-activated NRF2 in TAMs as a driver of cancer progression, suggesting that targeting this pathway could offer new strategies to enhance cancer immunity and overcome therapy resistance.
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9
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Gherman ML, Zanoaga O, Budisan L, Raduly L, Berindan-Neagoe I. Doxorubicin as a Potential Treatment Option in Canine Mammary Tumors. Vet Sci 2023; 10:654. [PMID: 37999477 PMCID: PMC10674590 DOI: 10.3390/vetsci10110654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/11/2023] [Accepted: 11/10/2023] [Indexed: 11/25/2023] Open
Abstract
Canine mammary tumors represent one of the leading malignant pathologies in female dogs, displaying the importance of efficient therapeutic findings, besides the golden-standard surgery, able to limit the development of the disease. Studies in human cancers demonstrated that Doxorubicin presents a good effect in different biological processes like apoptosis, autophagy, the cell cycle, cell invasion, and the epithelial-to-mesenchymal transition. This study followed the effects of Doxorubicin on two canine mammary cancer cell lines P114 and CMT-U27. Doxorubicin treatment in both cell lines shows an inhibitory effect in cell proliferation and an alteration in expression of the EMT-related genes. The obtained results provide valuable information for revealing the link between Doxorubicin, phenotypic changes, and proliferation dynamics in canine mammary tumor models.
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Affiliation(s)
- Madalina Luciana Gherman
- Experimental Center, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania;
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania; (O.Z.); (L.B.); (I.B.-N.)
| | - Oana Zanoaga
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania; (O.Z.); (L.B.); (I.B.-N.)
| | - Liviuta Budisan
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania; (O.Z.); (L.B.); (I.B.-N.)
| | - Lajos Raduly
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania; (O.Z.); (L.B.); (I.B.-N.)
| | - Ioana Berindan-Neagoe
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania; (O.Z.); (L.B.); (I.B.-N.)
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10
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Jiang R, Zhou Y, Gao Q, Han L, Hong Z. ZC3H4 governs epithelial cell migration through ROCK/p-PYK2/p-MLC2 pathway in silica-induced pulmonary fibrosis. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 104:104301. [PMID: 37866415 DOI: 10.1016/j.etap.2023.104301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 10/03/2023] [Accepted: 10/18/2023] [Indexed: 10/24/2023]
Abstract
BACKGROUND Increased epithelial migration capacity is a key step accompanying epithelial-mesenchymal transition (EMT). Our lab has described that ZC3H4 mediated EMT in silicosis. Here, we aimed to explore the mechanisms of ZC3H4 by which to stimulate epithelial cell migration. METHODS Silicon dioxide (SiO2)-induced pulmonary fibrosis (PF) animal models were administered by intratracheal instillation in C57BL/6 J mice. Pathological analysis and 2D migration assay were established to uncover the pulmonary fibrotic lesions and epithelial cell migration, respectively. Inhibitors targeting ROCK/p-PYK2/p-MLC2 and CRISPR/Cas9 plasmids targeting ZC3H4 were administrated to explore the signaling pathways. RESULTS 1) SiO2 upregulated epithelial migration in pulmonary fibrotic lesions. 2) ZC3H4 modulated SiO2-induced epithelial migration. 3) ZC3H4 governed epithelial migration through ROCK/p-PYK2/p-MLC2 signaling pathway. CONCLUSIONS ZC3H4 regulates epithelial migration through the ROCK/p-PYK2/p-MLC2 signaling pathway, providing the possibility that molecular drugs targeting ZC3H4-overexpression may exert effects on pulmonary fibrosis induced by silica.
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Affiliation(s)
- Rong Jiang
- Jiangsu Health Vocational College, Nanjing, Jiangsu Province, China
| | - Yichao Zhou
- Department of Occupation Disease Prevention and Cure, Changzhou Wujin District Center for Disease Control and Prevention, Changzhou, Jiangsu Province, China
| | - Qianqian Gao
- Department of Occupation Disease Prevention and Cure, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu Province, China; Department of Respiratory Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Lei Han
- Department of Occupation Disease Prevention and Cure, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu Province, China.
| | - Zhen Hong
- Jiangsu Health Vocational College, Nanjing, Jiangsu Province, China.
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11
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Lu J, Kornmann M, Traub B. Role of Epithelial to Mesenchymal Transition in Colorectal Cancer. Int J Mol Sci 2023; 24:14815. [PMID: 37834263 PMCID: PMC10573312 DOI: 10.3390/ijms241914815] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 09/28/2023] [Accepted: 09/29/2023] [Indexed: 10/15/2023] Open
Abstract
The epithelial-mesenchymal transition (EMT) is a cellular reprogramming process that occurs during embryonic development and adult tissue homeostasis. This process involves epithelial cells acquiring a mesenchymal phenotype. Through EMT, cancer cells acquire properties associated with a more aggressive phenotype. EMT and its opposite, mesenchymal-epithelial transition (MET), have been described in more tumors over the past ten years, including colorectal cancer (CRC). When EMT is activated, the expression of the epithelial marker E-cadherin is decreased and the expression of the mesenchymal marker vimentin is raised. As a result, cells temporarily take on a mesenchymal phenotype, becoming motile and promoting the spread of tumor cells. Epithelial-mesenchymal plasticity (EMP) has become a hot issue in CRC because strong inducers of EMT (such as transforming growth factor β, TGF-β) can initiate EMT and regulate metastasis, microenvironment, and immune system resistance in CRC. In this review, we take into account the significance of EMT-MET in CRC and the impact of the epithelial cells' plasticity on the prognosis of CRC. The analysis of connection between EMT and colorectal cancer stem cells (CCSCs) will help to further clarify the current meager understandings of EMT. Recent advances affecting important EMT transcription factors and EMT and CCSCs are highlighted. We come to the conclusion that the regulatory network for EMT in CRC is complicated, with a great deal of crosstalk and alternate paths. More thorough research is required to more effectively connect the clinical management of CRC with biomarkers and targeted treatments associated with EMT.
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Affiliation(s)
| | | | - Benno Traub
- Department of General and Visceral Surgery, Ulm University Hospital, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (J.L.); (M.K.)
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12
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Lisica Šikić N, Petrić Miše B, Tomić S, Spagnol G, Matak L, Juretić A, Spagnoli G. MAGE-A10 Protein Expression in Advanced High Grade Serous Ovarian Cancer Is Associated with Resistance to First-Line Platinum-Based Chemotherapy. Cancers (Basel) 2023; 15:4697. [PMID: 37835391 PMCID: PMC10571787 DOI: 10.3390/cancers15194697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/17/2023] [Accepted: 09/21/2023] [Indexed: 10/15/2023] Open
Abstract
Ovarian cancer has a dismal prognosis. Standard treatment following surgery relies on platinum-based chemotherapy. However, sizeable percentages of patients are unresponsive. Identification of markers predicting the response to chemotherapy might help select eligible patients and spare non-responding patients from treatment-associated toxicity. Cancer/testis antigens (CTAs) are expressed by healthy germ cells and malignant cells of diverse histological origin. This expression profile identifies them as attractive targets for cancer immunotherapies. We analyzed the correlations between expression of MAGE-A10 and New York esophageal-1 cancer (NY-ESO-1) CTAs at the protein level and the effectiveness of platinum-based chemotherapy in patients with advanced-stage high-grade serous ovarian carcinoma (HGSOC). MAGE-A10 and NY-ESO-1 protein expression was analyzed by immunohistochemistry (IHC) in formalin-fixed, paraffin-embedded samples from 93 patients with advanced-stage HGSOC treated at our institutions between January 1996 and December 2013. The correlation between the expression of these markers and response to platinum-based chemotherapy, evaluated according to RECIST 1.1 criteria and platinum sensitivity, measured as platinum-free interval (PFI), progression free (PFS), and overall survival (OS) was explored. The MAGE-A10 protein expression predicted unresponsiveness to platinum-based chemotherapy (p = 0.005), poor platinum sensitivity (p < 0.001), poor PFS (p < 0.001), and OS (p < 0.001). Multivariate analysis identified MAGE-A10 protein expression as an independent predictor of poor platinum sensitivity (p = 0.005) and shorter OS (p < 0.001). Instead, no correlation was observed between the NY-ESO-1 protein expression and response to platinum-based chemotherapy (p = 0.832), platinum sensitivity (p = 0.168), PFS (p = 0.126), and OS (p = 0.335). The MAGE-A10 protein expression reliably identified advanced-stage HGSOC unresponsive to platinum-based chemotherapy. Targeted immunotherapy could represent an important alternative therapeutic option in these cancers.
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Affiliation(s)
- Nataša Lisica Šikić
- Department of Pathology, Forensic Medicine and Cytology, General Hospital Zadar, 23000 Zadar, Croatia
| | - Branka Petrić Miše
- Department of Oncology, Clinical Hospital Center Split, School of Medicine, University of Split, 21000 Split, Croatia
| | - Snježana Tomić
- Department of Pathology, Forensic Medicine and Cytology, Clinical Hospital Center Split, School of Medicine, University of Split, 21000 Split, Croatia
| | - Giulia Spagnol
- Department of Women and Children's Health, Clinic of Gynecology and Obstetrics, University of Padua, 35122 Padua, Italy
| | - Luka Matak
- Department of Obstetrics and Gynecology, General Hospital Zadar, 23000 Zadar, Croatia
| | - Antonio Juretić
- Department of Oncology, University Hospital Dubrava, University of Zagreb, 10000 Zagreb, Croatia
| | - Giulio Spagnoli
- Istituto CNR "Translational Pharmacology", 00133 Rome, Italy
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13
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Berner J, Miebach L, Kordt M, Seebauer C, Schmidt A, Lalk M, Vollmar B, Metelmann HR, Bekeschus S. Chronic oxidative stress adaptation in head and neck cancer cells generates slow-cyclers with decreased tumour growth in vivo. Br J Cancer 2023; 129:869-883. [PMID: 37460712 PMCID: PMC10449771 DOI: 10.1038/s41416-023-02343-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 06/15/2023] [Accepted: 06/21/2023] [Indexed: 08/26/2023] Open
Abstract
BACKGROUND Reactive oxygen species (ROS) are implicated in cancer therapy and as drivers of microenvironmental tumour cell adaptations. Medical gas plasma is a multi-ROS generating technology that has been shown effective for palliative tumour control in head and neck cancer (HNC) patients before tumour cells adapted to the oxidative stress and growth regressed fatally. METHODS In a bedside-to-bench approach, we sought to explore the oxidative stress adaptation in two human squamous cell carcinoma cell lines. Gas plasma was utilised as a putative therapeutic agent and chronic oxidative stress inducer. RESULTS Cellular responses of single and multiple treated cells were compared regarding sensitivity, cellular senescence, redox state and cytokine release. Whole transcriptome analysis revealed a strong correlation of cancer cell adaption with increased interleukin 1 receptor type 2 (IL1R2) expression. Using magnetic resonance imaging, tumour growth and gas plasma treatment responses of wild-type (WT) and repeatedly exposed (RE) A431 cells were further investigated in a xenograft model in vivo. RE cells generated significantly smaller tumours with suppressed inflammatory secretion profiles and increased epidermal growth factor receptor (EGFR) activity showing significantly lower gas plasma sensitivity until day 8. CONCLUSIONS Clinically, combination treatments together with cetuximab, an EGFR inhibitor, may overcome acquired oxidative stress resistance in HNC.
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Grants
- This study was funded by the joint research project ONKOTHER-H is supported by the European Social Fund (ESF, grant numbers ESF/14-BM-A55-0003/18, ESF/14-BM-A55-0005/18, and ESF/14-BM-A55-0006/18) and the Ministry of Education, Science, and Culture of Mecklenburg-Vorpommern, Germany, as well as the German Federal Ministry of Education and Research (BMBF, grant numbers 03Z22DN11 and 03Z22Di1).
- This study was funded by the joint research project ONKOTHER-H is supported by the European Social Fund (ESF, grant numbers ESF/14-BM-A55-0005/18).
- Gerhard-Domagk-Foundation Greifswald (Germany).
- This study was funded by the joint research project ONKOTHER-H is supported by the European Social Fund (ESF, grant numbers ESF/14-BM-A55-0003/18).
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Affiliation(s)
- Julia Berner
- Department of Oral, Maxillofacial, and Plastic Surgery, Greifswald University Medical Center, Ferdinand-Sauerbruch-Str, 17475, Greifswald, Germany
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489, Greifswald, Germany
| | - Lea Miebach
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489, Greifswald, Germany
- Department of General, Visceral, Thoracic, and Vascular Surgery, Greifswald University Medical Center, Ferdinand-Sauerbruch-Str, 17475, Greifswald, Germany
| | - Marcel Kordt
- Rudolf-Zenker-Institute of Experimental Surgery, Rostock University Medical Center, Schillingallee 69a, 18057, Rostock, Germany
| | - Christian Seebauer
- Department of Oral, Maxillofacial, and Plastic Surgery, Greifswald University Medical Center, Ferdinand-Sauerbruch-Str, 17475, Greifswald, Germany
| | - Anke Schmidt
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489, Greifswald, Germany
| | - Michael Lalk
- Institute for Biochemistry, University of Greifswald, Felix-Hausdorff-Str. 4, 17489, Greifswald, Germany
| | - Brigitte Vollmar
- Rudolf-Zenker-Institute of Experimental Surgery, Rostock University Medical Center, Schillingallee 69a, 18057, Rostock, Germany
| | - Hans-Robert Metelmann
- Department of Oral, Maxillofacial, and Plastic Surgery, Greifswald University Medical Center, Ferdinand-Sauerbruch-Str, 17475, Greifswald, Germany
| | - Sander Bekeschus
- ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Str. 2, 17489, Greifswald, Germany.
- Clinic and Policlinic for Dermatology and Venerology, Rostock University Medical Center, Strempelstr. 13, 18057, Rostock, Germany.
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14
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Meng Y, Huang K, Shi M, Huo Y, Han L, Liu B, Li Y. Research Advances in the Role of the Tropomyosin Family in Cancer. Int J Mol Sci 2023; 24:13295. [PMID: 37686101 PMCID: PMC10488083 DOI: 10.3390/ijms241713295] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 08/22/2023] [Accepted: 08/24/2023] [Indexed: 09/10/2023] Open
Abstract
Cancer is one of the most difficult diseases for human beings to overcome. Its development is closely related to a variety of factors, and its specific mechanisms have been a hot research topic in the field of scientific research. The tropomyosin family (Tpm) is a group of proteins closely related to the cytoskeleton and actin, and recent studies have shown that they play an important role in various cancers, participating in a variety of biological activities, including cell proliferation, invasion, and migration, and have been used as biomarkers for various cancers. The purpose of this review is to explore the research progress of the Tpm family in tumorigenesis development, focusing on the molecular pathways associated with them and their relevant activities involved in tumors. PubMed and Web of Science databases were searched for relevant studies on the role of Tpms in tumorigenesis and development and the activities of Tpms involved in tumors. Data from the literature suggest that the Tpm family is involved in tumor cell proliferation and growth, tumor cell invasion and migration, tumor angiogenesis, tumor cell apoptosis, and immune infiltration of the tumor microenvironment, among other correlations. It can be used as a potential biomarker for early diagnosis, follow-up, and therapeutic response of some tumors. The Tpm family is involved in cancer in a close relationship with miRNAs and LncRNAs. Tpms are involved in tumor tissue invasion and migration as a key link. On this basis, TPM is frequently used as a biomarker for various cancers. However, the specific molecular mechanism of its involvement in cancer progression has not been explained clearly, which remains an important direction for future research.
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Affiliation(s)
- Yucheng Meng
- Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, School of Stomatology, Lanzhou University, Lanzhou 730030, China; (Y.M.); (K.H.); (M.S.); (Y.H.); (L.H.)
| | - Ke Huang
- Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, School of Stomatology, Lanzhou University, Lanzhou 730030, China; (Y.M.); (K.H.); (M.S.); (Y.H.); (L.H.)
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730030, China
| | - Mingxuan Shi
- Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, School of Stomatology, Lanzhou University, Lanzhou 730030, China; (Y.M.); (K.H.); (M.S.); (Y.H.); (L.H.)
| | - Yifei Huo
- Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, School of Stomatology, Lanzhou University, Lanzhou 730030, China; (Y.M.); (K.H.); (M.S.); (Y.H.); (L.H.)
| | - Liang Han
- Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, School of Stomatology, Lanzhou University, Lanzhou 730030, China; (Y.M.); (K.H.); (M.S.); (Y.H.); (L.H.)
| | - Bin Liu
- Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, School of Stomatology, Lanzhou University, Lanzhou 730030, China; (Y.M.); (K.H.); (M.S.); (Y.H.); (L.H.)
| | - Yi Li
- Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, School of Stomatology, Lanzhou University, Lanzhou 730030, China; (Y.M.); (K.H.); (M.S.); (Y.H.); (L.H.)
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15
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Jamal Eddin TM, Nasr SM, Gupta I, Zayed H, Al Moustafa AE. Helicobacter pylori and epithelial mesenchymal transition in human gastric cancers: An update of the literature. Heliyon 2023; 9:e18945. [PMID: 37609398 PMCID: PMC10440535 DOI: 10.1016/j.heliyon.2023.e18945] [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: 04/04/2023] [Revised: 07/25/2023] [Accepted: 08/03/2023] [Indexed: 08/24/2023] Open
Abstract
Gastric cancer, a multifactorial disease, is considered one of the most common malignancies worldwide. In addition to genetic and environmental risk factors, infectious agents, such as Epstein-Barr virus (EBV) and Helicobacter pylori (H.pylori) contribute to the onset and development of gastric cancer. H. pylori is a type I carcinogen that colonizes the gastric epithelium of approximately 50% of the world's population, thus increasing the risk of gastric cancer development. On the other hand, epithelial mesenchymal transition (EMT) is a fundamental process crucial to embryogenic growth, wound healing, organ fibrosis and cancer progression. Several studies associate gastric pathogen infection of the epithelium with EMT initiation, provoking cancer metastasis in the gastric mucosa through various molecular signaling pathways. Additionally, EMT is implicated in the progression and development of H. pylori-associated gastric cancer. In this review, we recapitulate recent findings elucidating the association between H. pylori infection in EMT promotion leading to gastric cancer progression and metastasis.
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Affiliation(s)
- Tala M. Jamal Eddin
- College of Health Sciences, QU Health, Qatar University, PO Box 2713, Doha, Qatar
| | - Shahd M.O. Nasr
- College of Health Sciences, QU Health, Qatar University, PO Box 2713, Doha, Qatar
| | - Ishita Gupta
- College of Medicine, QU Health, Qatar University, PO Box 2713, Doha, Qatar
| | - Hatem Zayed
- College of Health Sciences, QU Health, Qatar University, PO Box 2713, Doha, Qatar
| | - Ala-Eddin Al Moustafa
- College of Medicine, QU Health, Qatar University, PO Box 2713, Doha, Qatar
- Biomedical Research Center, Qatar University, PO Box 2713, Doha, Qatar
- Oncology Department, Faculty of Medicine, McGill University, Montreal, QC, H3G 2M1, Canada
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16
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Han Y, Akhtar J, Liu G, Li C, Wang G. Early warning and diagnosis of liver cancer based on dynamic network biomarker and deep learning. Comput Struct Biotechnol J 2023; 21:3478-3489. [PMID: 38213892 PMCID: PMC10782000 DOI: 10.1016/j.csbj.2023.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 06/19/2023] [Accepted: 07/01/2023] [Indexed: 01/13/2024] Open
Abstract
Background Early detection of complex diseases like hepatocellular carcinoma remains challenging due to their network-driven pathology. Dynamic network biomarkers (DNB) based on monitoring changes in molecular correlations may enable earlier predictions. However, DNB analysis often overlooks disease heterogeneity. Methods We integrated DNB analysis with graph convolutional neural networks (GCN) to identify critical transitions during hepatocellular carcinoma development in a mouse model. A DNB-GCN model was constructed using transcriptomic data and gene expression levels as node features. Results DNB analysis identified a critical transition point at 7 weeks of age despite histological examinations being unable to detect cancerous changes at that time point. The DNB-GCN model achieved 100% accuracy in classifying healthy and cancerous mice, and was able to accurately predict the health status of newly introduced mice. Conclusion The integration of DNB analysis and GCN demonstrates potential for the early detection of complex diseases by capturing network structures and molecular features that conventional biomarker discovery methods overlook. The approach warrants further development and validation.
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Affiliation(s)
- Yukun Han
- Institute of Modern Biology, Nanjing University, Nanjing 210023, China
- Guangdong Provincial Key Laboratory of Computational Science and Material Design, Shenzhen 518055, China
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
| | - Javed Akhtar
- Biomedical Science and Engineering, School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, China
- Center for Endocrinology and Metabolic Diseases, Second Affiliated Hospital, The Chinese University of Hong Kong, Shenzhen 518172, China
- Guangdong Provincial Key Laboratory of Computational Science and Material Design, Shenzhen 518055, China
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
| | - Guozhen Liu
- Biomedical Science and Engineering, School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, China
| | - Chenzhong Li
- Biomedical Science and Engineering, School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, China
| | - Guanyu Wang
- Biomedical Science and Engineering, School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, China
- Center for Endocrinology and Metabolic Diseases, Second Affiliated Hospital, The Chinese University of Hong Kong, Shenzhen 518172, China
- Guangdong Provincial Key Laboratory of Computational Science and Material Design, Shenzhen 518055, China
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
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17
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Hashmi K, Gupta S, Siddique A, Khan T, Joshi S. Medicinal applications of vanadium complexes with Schiff bases. J Trace Elem Med Biol 2023; 79:127245. [PMID: 37406475 DOI: 10.1016/j.jtemb.2023.127245] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 05/31/2023] [Accepted: 06/15/2023] [Indexed: 07/07/2023]
Abstract
Many transition metal complexes have been explored for their therapeutic properties after the discovery of cisplatin. Schiff bases have an efficient complexation tendency with the transition metals and several medicinal properties have been reported. However, fewer studies have reported the medicinal utility of vanadium and its Schiff base complexes. This paper provides a comprehensive overview of vanadium complexes with Schiff bases along with their mechanistic insight. Vanadium complexes in + 4 and + 5 oxidation states have exhibited well-defined geometry and found to be thermodynamically stable. The studies have reported the G0/G1 phase cell cycle arrest and decreased delta psi m, inducing mitochondrial membrane depolarization in cancer cell lines along with the alterations in the metabolism of the cancer cells upon dosing with the vanadium complexes. Cancer cell invasion and growth are also found to be markedly reduced by peroxo complexes of vanadium. The studies included in the review paper have been taken from leading indexing databases and focus was laid on recent reports in literature. The biological potential of vanadium complexes of Schiff bases opens new horizons for future interdisciplinary studies and investigation focussed on understanding the biochemistry of these complexes, along with designing new complexes which have better bioavailability, solubility and low or non-toxicity.
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Affiliation(s)
- Kulsum Hashmi
- Department of Chemistry, Isabella Thoburn College, Lucknow, UP 226007, India
| | - Sakshi Gupta
- Department of Chemistry, Isabella Thoburn College, Lucknow, UP 226007, India
| | - Armeen Siddique
- Department of Chemistry, Isabella Thoburn College, Lucknow, UP 226007, India
| | - Tahmeena Khan
- Department of Chemistry, Integral University, Lucknow, UP 226026, India
| | - Seema Joshi
- Department of Chemistry, Isabella Thoburn College, Lucknow, UP 226007, India.
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18
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Shi W, Le W, Tang Q, Shi S, Shi J. Regulon analysis identifies protective FXR and CREB5 in proximal tubules in early diabetic kidney disease. BMC Nephrol 2023; 24:180. [PMID: 37337149 DOI: 10.1186/s12882-023-03239-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 06/09/2023] [Indexed: 06/21/2023] Open
Abstract
Diabetic kidney disease (DKD) is the most common complication of diabetes mellitus and a leading cause of kidney failure worldwide. Despite its prevalence, the mechanisms underlying early kidney damage in DKD remain poorly understood. In this study, we used single nucleus RNA-seq to construct gene regulatory networks (GRNs) in the kidney cortex of patients with early DKD. By comparing these networks with those of healthy controls, we identify cell type-specific changes in genetic regulation associated with diabetic status. The regulon activities of FXR (NR1H4) and CREB5 were found to be upregulated in kidney proximal convoluted tubule epithelial cells (PCTs), which were validated using immunofluorescence staining in kidney biopsies from DKD patients. In vitro experiments using cultured HK2 cells showed that FXR and CREB5 protected cells from apoptosis and epithelial-mesenchymal transition. Our findings suggest that FXR and CREB5 may be promising targets for early intervention in patients with DKD.
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Affiliation(s)
- Wanting Shi
- National Clinical Research Center for Kidney Disease, Affiliated Jinling Hospital, Medical School, Nanjing University, Nanjing, China
| | - Weibo Le
- National Clinical Research Center for Kidney Disease, Affiliated Jinling Hospital, Medical School, Nanjing University, Nanjing, China
| | - Qiaoli Tang
- National Clinical Research Center for Kidney Disease, Affiliated Jinling Hospital, Medical School, Nanjing University, Nanjing, China
- Department of Nephrology, the First Affiliated Hospital of University of Science and Technology of China, Hefei, China
| | - Shaolin Shi
- National Clinical Research Center for Kidney Disease, Affiliated Jinling Hospital, Medical School, Nanjing University, Nanjing, China.
| | - Jingsong Shi
- National Clinical Research Center for Kidney Disease, Affiliated Jinling Hospital, Medical School, Nanjing University, Nanjing, China.
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Zhou J, Yang S, Zhu D, Li H, Miao X, Gu M, Xu W, Zhang Y, Tang W, Shen R, Zha J, Zhu J, Yuan Z, Gu X. The crosstalk between anoikis and epithelial-mesenchymal transition and their synergistic roles in predicting prognosis in colon adenocarcinoma. Front Oncol 2023; 13:1184215. [PMID: 37350934 PMCID: PMC10284081 DOI: 10.3389/fonc.2023.1184215] [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: 03/11/2023] [Accepted: 05/17/2023] [Indexed: 06/24/2023] Open
Abstract
Anoikis and epithelial-mesenchymal transition (EMT) are significant phenomena occurring in distant metastasis of colon adenocarcinoma (COAD). A comprehensive understanding of their crosstalk and the identification of key genes are vital for treating the distant metastasis of COAD. The objective of this study was to design and validate accurate prognostic predictors for COAD patients based on the anoikis and EMT processes. We obtained gene signatures from various databases and performed univariate and multivariate Cox regression analyses, principal component analysis (PCA). The COAD patients were categorized into the worst prognosis group, the Anoikis Potential Index (API) Low + EMT Potential Index (EPI) High group and the others group. Then we utilized gene set enrichment analysis (GSEA) to identify differentially expressed genes and to establish a prognostic risk model. The model classified patients into high- or low-risk groups, with patients in the high-risk group displaying worse survival status. A nomogram was established to predict overall survival rates, demonstrating high specificity and sensitivity. Additionally, we connected the risk model to the tumor microenvironment (TME) using single-sample GSEA and the MCP counter tool, as well as evaluated the sensitivity to common chemotherapeutic drugs, such as Gefitinib and Gemcitabine. Lastly, cell and tissue experiments suggested a positive correlation among anoikis resistance, EMT, and liver/lung metastasis of COAD. This is the first study to comprehensively analyze the crosstalk between anoikis and EMT and offers new therapeutic targets for COAD metastasis patients.
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Affiliation(s)
- Jiahui Zhou
- Department of Gastrointestinal Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Sheng Yang
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Colorectal Institute of Nanjing Medical University, Nanjing, China
| | - Dawei Zhu
- Department of Gastrointestinal Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Hao Li
- Department of Gastrointestinal Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Xinsheng Miao
- Department of Gastrointestinal Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Menghui Gu
- Department of Gastrointestinal Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Wei Xu
- Department of Gastrointestinal Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Yan Zhang
- Department of Gastrointestinal Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Wei Tang
- Department of Gastrointestinal Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Renbin Shen
- Department of Gastrointestinal Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Jianhua Zha
- Department of Gastrointestinal Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Jianhua Zhu
- Department of Gastrointestinal Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Zheng Yuan
- Department of Gastrointestinal Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Xinhua Gu
- Department of Gastrointestinal Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
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20
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Zhang S, Pang S, Pei W, Zhu H, Shi Y, Liu Z, Mao L, Shi X, Tao S, Geng C, Chen S, Yang L, Chen C, Yang Q, Wang W. Layered Double Hydroxide-Loaded miR-30a for the Treatment of Breast Cancer In Vitro and In Vivo. ACS OMEGA 2023; 8:18435-18448. [PMID: 37273596 PMCID: PMC10233669 DOI: 10.1021/acsomega.2c07866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 04/28/2023] [Indexed: 06/06/2023]
Abstract
MicroRNAs (miRNAs) play an essential role in cancer therapy, but the disadvantages of its poor inherent stability, rapid clearance, and low delivery efficiency affect the therapeutic efficiency. Loading miRNAs by nanoformulations can improve their bioavailability and enhance therapeutic efficiency, which is an effective miRNA delivery strategy. In this study, we synthesized layered double hydroxides (LDH), which are widely used as carriers of drugs or genes due to the characteristics of good biocompatibility, high loading capacity, and pH sensitivity. We loaded the suppressor oncogene miR-30a on LDH nanomaterials (LDH@miR-30a) and determined the mass ratio of miRNA binding to LDH by agarose gel electrophoresis. LDH@miR-30a was able to escape the lysosomal pathway and was successfully phagocytosed by breast cancer SKBR3 cells and remained detectable in the cells after 24 h of co-incubation. In vitro experiments showed that LDH@miR-30a-treated SKBR3 cells showed decreased proliferation and cell cycle arrest in the G0/G1 phase and LDH@miR-30a was able to regulate the epithelial-mesenchymal transition (EMT) process and inhibit cell migration and invasion by targeting SNAI1. Meanwhile, in vivo experiments showed that nude mice treated with LDH@miR-30a showed a significant reduction in their solid tumors and no significant impairment of vital organs was observed. In conclusion, LDH@miR-30a is an effective drug delivery system for the treatment of breast cancer.
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Affiliation(s)
- Shiwen Zhang
- Anhui
Province Key Laboratory of Translational Cancer Research, Department
of Life Science, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Siyan Pang
- Anhui
Province Key Laboratory of Translational Cancer Research, Department
of Life Science, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Wenhao Pei
- Anhui
Province Key Laboratory of Translational Cancer Research, Department
of Life Science, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Haitao Zhu
- Department
of Biochemistry, School of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Yingxiang Shi
- Department
of Biochemistry, School of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Ziyang Liu
- Anhui
Province Key Laboratory of Translational Cancer Research, Department
of Life Science, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Lingyu Mao
- Anhui
Province Key Laboratory of Translational Cancer Research, Department
of Life Science, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Xiuru Shi
- Department
of Biochemistry, School of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Shuang Tao
- Department
of Biochemistry, School of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Chenchen Geng
- Anhui
Province Key Laboratory of Translational Cancer Research, Department
of Life Science, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Sulian Chen
- Department
of Biochemistry, School of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Linnan Yang
- The
Centre for Scientific Research of the First Affiliated Hospital of
Anhui Medical University, Hefei, Anhui 230022, China
| | - Changjie Chen
- Department
of Biochemistry, School of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Qingling Yang
- Department
of Biochemistry, School of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Wenrui Wang
- Anhui
Province Key Laboratory of Translational Cancer Research, Department
of Life Science, Bengbu Medical College, Bengbu, Anhui 233030, China
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21
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Kim SJ, Nah SY, Park IH, Shin MS, Kang KS. Gintonin Isolated from Ginseng Inhibits the Epithelial-Mesenchymal Transition Induced by TGF-β in A549 Lung Cancer Cells. PLANTS (BASEL, SWITZERLAND) 2023; 12:2013. [PMID: 37653930 PMCID: PMC10221604 DOI: 10.3390/plants12102013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 05/08/2023] [Accepted: 05/15/2023] [Indexed: 09/02/2023]
Abstract
Epithelial-to-mesenchymal transition (EM transition) is a process wherein epithelial cells lose their intrinsic characteristics and cell-cell junctions and differentiate into a mesenchymal phenotype. EM transition is an important feature of cancer invasion and metastasis. In this study, we aimed to investigate the inhibitory effect of gintonin (GT), an ingredient of ginseng, on EM transition using A549 cells. The proliferation of A549 cells was enhanced following treatment with 50, 75, and 100 μg/mL of GT. GT affected EM transition-induced gene and protein expression, specifically that of vimentin (Vim), N-cadherin (N-cad), zinc finger E-box-binding homeobox 1, and Twist in A549 cells. Furthermore, the transforming growth factor beta 1 (TGF-β1)-induced phosphorylation of Smad2 and Smad3 was suppressed by GT treatment. Immunofluorescence staining also showed that GT treatment decreased the TGF-β1-induced expression of Vim and N-cad in A549 cells. Therefore, GT may be used to suppress cancer cell metastasis via maintenance of the cell-cell junction's integrity. However, further studies are required to pave the way for its translation into clinical application in cancer therapeutics.
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Affiliation(s)
- Sung Jin Kim
- College of Korean Medicine, Gachon University, Seongnam 13120, Republic of Korea
| | - Seung-Yeol Nah
- Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine, Konkuk University, Seoul 05029, Republic of Korea
| | - Il-Ho Park
- College of Pharmacy, Sahmyook University, Seoul 01795, Republic of Korea
| | - Myoung-Sook Shin
- College of Korean Medicine, Gachon University, Seongnam 13120, Republic of Korea
| | - Ki Sung Kang
- College of Korean Medicine, Gachon University, Seongnam 13120, Republic of Korea
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22
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Saleem HM, Ramaiah P, Gupta J, Jalil AT, Kadhim NA, Alsaikhan F, Ramírez-Coronel AA, Tayyib NA, Guo Q. Nanotechnology-empowered lung cancer therapy: From EMT role in cancer metastasis to application of nanoengineered structures for modulating growth and metastasis. ENVIRONMENTAL RESEARCH 2023:115942. [PMID: 37080268 DOI: 10.1016/j.envres.2023.115942] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 04/09/2023] [Accepted: 04/17/2023] [Indexed: 05/03/2023]
Abstract
Lung cancer is one of the leading causes of death in both males and females, and it is the first causes of cancer-related deaths. Chemotherapy, surgery and radiotherapy are conventional treatment of lung cancer and recently, immunotherapy has been also appeared as another therapeutic strategy for lung tumor. However, since previous treatments have not been successful in cancer therapy and improving prognosis and survival rate of lung tumor patients, new studies have focused on gene therapy and targeting underlying molecular pathways involved in lung cancer progression. Nanoparticles have been emerged in treatment of lung cancer that can mediate targeted delivery of drugs and genes. Nanoparticles protect drugs and genes against unexpected interactions in blood circulation and improve their circulation time. Nanoparticles can induce phototherapy in lung cancer ablation and mediating cell death. Nanoparticles can induce photothermal and photodynamic therapy in lung cancer. The nanostructures can impair metastasis of lung cancer and suppress EMT in improving drug sensitivity. Metastasis is one of the drawbacks observed in lung cancer that promotes migration of tumor cells and allows them to establish new colony in secondary site. EMT can occur in lung cancer and promotes tumor invasion. EMT is not certain to lung cancer and it can be observed in other human cancers, but since lung cancer has highest incidence rate, understanding EMT function in lung cancer is beneficial in improving prognosis of patients. EMT induction in lung cancer promotes tumor invasion and it can also lead to drug resistance and radio-resistance. Moreover, non-coding RNAs and pharmacological compounds can regulate EMT in lung cancer and EMT-TFs such as Twist and Slug are important modulators of lung cancer invasion that are discussed in current review.
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Affiliation(s)
- Hiba Muwafaq Saleem
- Department of Medical Laboratory Techniques, Al-Maarif University College, AL-Anbar, Iraq.
| | | | - Jitendra Gupta
- Institute of Pharmaceutical Research, GLA University, Mathura, Pin Code 281406, UP, India
| | - Abduladheem Turki Jalil
- Medical Laboratories Techniques Department, Al-Mustaqbal University College, Babylon, Hilla, 51001, Iraq.
| | | | - Fahad Alsaikhan
- College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia
| | - Andrés Alexis Ramírez-Coronel
- Azogues Campus Nursing Career, Health and Behavior Research Group (HBR), Psychometry and Ethology Laboratory, Catholic University of Cuenca, Ecuador; Epidemiology and Biostatistics Research Group, CES University, Colombia; Educational Statistics Research Group (GIEE), National University of Education, Ecuador
| | - Nahla A Tayyib
- Faculty of Nursing, Umm Al- Qura University, Makkah, Saudi Arabia
| | - Qingdong Guo
- Department of Neurosurgery, Xijing Hospital, Air Force Medical University, Xi'an, 710032, China.
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23
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Tang RZ, Liu XQ. Biophysical cues of in vitro biomaterials-based artificial extracellular matrix guide cancer cell plasticity. Mater Today Bio 2023; 19:100607. [PMID: 36960095 PMCID: PMC10027567 DOI: 10.1016/j.mtbio.2023.100607] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 02/10/2023] [Accepted: 03/07/2023] [Indexed: 03/13/2023] Open
Abstract
Clinical evidence supports a role for the extracellular matrix (ECM) in cancer plasticity across multiple tumor types. The lack of in vitro models that represent the native ECMs is a significant challenge for cancer research and drug discovery. Therefore, a major motivation for developing new tumor models is to create the artificial ECM in vitro. Engineered biomaterials can closely mimic the architectural and mechanical properties of ECM to investigate their specific effects on cancer progression, offering an alternative to animal models for the testing of cancer cell behaviors. In this review, we focused on the biomaterials from different sources applied in the fabrication of the artificial ECM and their biophysical cues to recapitulate key features of tumor niche. Furthermore, we summarized how the distinct biophysical cues guided cell behaviors of cancer plasticity, including morphology, epithelial-to-mesenchymal transition (EMT), enrichment of cancer stem cells (CSCs), proliferation, migration/invasion and drug resistance. We also discuss the future opportunities in using the artificial ECM for applications of tumorigenesis research and precision medicine, as well as provide useful messages of principles for designing suitable biomaterial scaffolds.
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Affiliation(s)
- Rui-Zhi Tang
- Key Laboratory for Molecular Diagnosis of Hubei Province, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, PR China
| | - Xi-Qiu Liu
- School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China
- Corresponding author.
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24
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Anerillas C, Altés G, Gorospe M. MAPKs in the early steps of senescence implemEMTation. Front Cell Dev Biol 2023; 11:1083401. [PMID: 37009481 PMCID: PMC10060890 DOI: 10.3389/fcell.2023.1083401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 03/03/2023] [Indexed: 03/18/2023] Open
Abstract
Evidence is accumulating that the earliest stages of the DNA damage response can direct cells toward senescence instead of other cell fates. In particular, tightly regulated signaling through Mitogen-Activated Protein Kinases (MAPKs) in early senescence can lead to a sustained pro-survival program and suppress a pro-apoptotic program. Importantly, an epithelial-to-mesenchymal Transition (EMT)-like program appears essential for preventing apoptosis and favoring senescence following DNA damage. In this review, we discuss how MAPKs might influence EMT features to promote a senescent phenotype that increases cell survival at the detriment of tissue function.
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25
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Bioinspired low-density lipoprotein co-delivery system for targeting and synergistic cancer therapy. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2023; 48:102641. [PMID: 36549554 DOI: 10.1016/j.nano.2022.102641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 07/21/2022] [Accepted: 12/06/2022] [Indexed: 12/24/2022]
Abstract
Epithelial-mesenchymal transition (EMT) is the culprit of tumor invasion and metastasis. As a critical transcription factor that induces EMT, snail is of great importance in tumor progression, and knocking down its expression by small interfering RNA (siRNA) may inhibit tumor metastasis. Herein, we developed a core-shelled bioinspired low-density lipoprotein (bio-LDL) in which snail siRNA-loaded calcium phosphate nanoparticles were wrapped as the core and doxorubicin was embedded in the outer phospholipids modified with a synthetic peptide of apoB100 targeting LDL receptor-abundant tumor cells. Bio-LDL exhibited pH-responsive release, lysosomal escape ability, enhanced cytotoxicity and apoptotic induction. Bio-LDL could significantly inhibit the expression of snail and regulate EMT-related proteins to reduce tumor migration and invasion in vitro. Bio-LDL also displayed favorable tumor targeting and synergistic inhibition of tumor growth and metastasis in vivo. Therefore, the multifunctional bio-LDL will be a promising co-delivery vector and holds potential value for clinical translation.
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26
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Butsri S, Kukongviriyapan V, Senggunprai L, Kongpetch S, Prawan A. 13‑ cis‑retinoic acid inhibits the self‑renewal, migration, invasion and adhesion of cholangiocarcinoma cells. Int J Mol Med 2023; 51:20. [PMID: 36660943 PMCID: PMC9911079 DOI: 10.3892/ijmm.2023.5223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 01/03/2023] [Indexed: 01/21/2023] Open
Abstract
13‑cis‑retinoic acid (13CRA), a Food and Drug Administration‑approved drug for severe acne, is currently being investigated for its potential use in skin cancer prevention. 13CRA has been reported to exhibit antitumor effects against various types of cancer cells, both in vitro and in vivo. However, to the best of our knowledge, no information is yet available regarding the effects of 13CRA on cholangiocarcinoma (CCA), a malignancy of the bile duct epithelia. Currently, there are no reliably effective therapeutic options for metastatic CCA. The present study thus aimed to evaluate the effects of 13CRA on the self‑renewal, migration, invasion and adhesion of CCA cells, and also investigated the underlying mechanisms. The results revealed that 13CRA suppressed cell proliferation via the inhibition of the self‑renewal ability of CCA cells. 13CRA induced cell cycle arrest at the G2/M phase in KKU‑100 and KKU‑213B CCA cells through the regulation of cell cycle‑regulatory genes and proteins. 13CRA reduced the cell migratory ability of both cell lines via the modulation of the genes and proteins associated with epithelial‑mesenchymal transition. 13CRA also inhibited the invasive and adhesive abilities of CCA cells via the suppression of genes and proteins associated with the invasion and adhesion of CCA cells. On the whole, these results suggested that 13CRA exerts suppressive effects on CCA cell proliferation, migration, adhesion and invasion.
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Affiliation(s)
| | | | | | | | - Auemduan Prawan
- Correspondence to: Dr Auemduan Prawan, Department of Pharmacology, Faculty of Medicine, Cholangiocarcinoma Research Institute, Khon Kaen University, 123 Mittraparp Highway, Muang, Khon Kaen 40002, Thailand, E-mail:
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27
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Identification of Aging and Young Subtypes for Predicting Colorectal Cancer Prognosis and Immunotherapy Responses. Int J Mol Sci 2023; 24:ijms24021516. [PMID: 36675039 PMCID: PMC9862647 DOI: 10.3390/ijms24021516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/09/2023] [Accepted: 01/10/2023] [Indexed: 01/14/2023] Open
Abstract
Colorectal cancer (CRC) is critically related to aging and severely threatens human lives. To better explore the effects of aging on CRC progression and therapy outcome, a reliable aging subtypes identification of CRC is urgently desired. Here, 28 aging-related genes associated with the CRC prognosis were selected by univariate Cox analyses. Based on these 28 genes, CRC patients were divided into the aging subtype and young subtype by non-negative matrix factorization clustering. Aging subtype and young subtype of CRC were identified with distinct molecular features and clinical prognosis. The aging subtype was characterized by upregulation of senescence-associated secretory phenotype, higher frequencies of TP53 and immune checkpoint molecules, and high sensitivity to protein kinase and angiogenesis inhibitors. Furthermore, 14 genes were selected by LASSO penalized Cox regression analyses for aging-related risk signature construction. The constructed aging risk signature exhibited good prediction and the nomogram showed robust discrimination power over the traditional CRC staging system. In conclusion, this study successfully established aging subtype and young subtype of CRC, which is helpful to identify patients with aging characteristics to evaluate prognosis and treatment outcomes. Introducing aging-based subtypes into clinical concern and patient prognostication provides new opportunities for personalized CRC treatment.
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28
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Nintedanib-αVβ6 Integrin Ligand Conjugates Reduce TGF β-Induced EMT in Human Non-Small Cell Lung Cancer. Int J Mol Sci 2023; 24:ijms24021475. [PMID: 36674990 PMCID: PMC9861180 DOI: 10.3390/ijms24021475] [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: 11/14/2022] [Revised: 01/09/2023] [Accepted: 01/10/2023] [Indexed: 01/14/2023] Open
Abstract
Growth factors and cytokines released in the lung cancer microenvironment promote an epithelial-to-mesenchymal transition (EMT) that sustains the progression of neoplastic diseases. TGFβ is one of the most powerful inducers of this transition, as it induces overexpression of the fibronectin receptor, αvβ6 integrin, in cancer cells which, in turn, is strongly associated with EMT. Thus, αvβ6 integrin receptors may be exploited as a target for the selective delivery of anti-tumor agents. We introduce three novel synthesized conjugates, in which a selective αvβ6 receptor ligand is linked to nintedanib, a potent kinase inhibitor used to treat advanced adenocarcinoma lung cancer in clinics. The αvβ6 integrin ligand directs nintedanib activity to the target cells of the tumor microenvironment, avoiding the onset of negative side effects in normal cells. We found that the three conjugates inhibit the adhesion of cancer cells to fibronectin in a concentration-dependent manner and that αvβ6-expressing cells internalized the conjugated compounds, thus permitting nintedanib to inhibit 2D and 3D cancer cell growth and suppress the clonogenic ability of the EMT phenotype as well as intervening in other aspects associated with the EMT transition. These results highlight αvβ6 receptors as privileged access points for dual-targeting molecular conjugates engaged in an efficient and precise strategy against non-small cell lung cancer.
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29
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Yang X, Ni H, Lu Z, Zhang J, Zhang Q, Ning S, Qi L, Xiang B. Mesenchymal circulating tumor cells and Ki67: their mutual correlation and prognostic implications in hepatocellular carcinoma. BMC Cancer 2023; 23:10. [PMID: 36600214 DOI: 10.1186/s12885-023-10503-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 01/02/2023] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Mesenchymal circulating tumor cells (M-CTCs) may be related to tumor progression, and Ki67 expression is known to be involved in tumor proliferation. The aim of the present study was to explore the relationship between M-CTCs and Ki67 in hepatocellular carcinoma (HCC) and their ability to predict prognosis. METHODS Peripheral blood samples were obtained from 105 HCC patients before radical surgery. CTCs were isolated using CanPatrol enrichment and classified via in situ hybridization. Ki67 expression in HCC tissue was assessed through immunohistochemistry. Potential relationships of M-CTC, Ki67 with clinicopathological factors and prognosis were evaluated. Overall survival (OS) was analyzed using the Kaplan-Meier method and Cox regression. The prognostic efficacy of M-CTC, Ki67 and both together (M-CTC + Ki67) was assessed in terms of time-dependent receiver operating characteristic (ROC) curves and Harrell's concordance index. RESULTS Of the 105 patients, 50 were positive for M-CTCs (count ≥ 1 per 5 mL) and 39 showed high Ki67 expression (≥ 50% tumor cells were Ki67-positive). The presence of M-CTC was significantly associated with alpha-fetoprotein (AFP) ≥ 400 ng/mL (P = 0.007), tumor size ≥ 5 cm (P = 0.023), multiple tumors (P < 0.001), poorly differentiated tumors (P = 0.003), incomplete tumor capsule (P < 0.001), Barcelona Clinic liver cancer (BCLC) stage B or C (P < 0.001), microvascular invasion (MVI) (P = 0.05) and portal vein tumor thrombosis (PVTT) (P = 0.006). High Ki67 expression correlated with AFP ≥ 400 ng/mL (P = 0.015), tumor size ≥ 5 cm (P = 0.012), incomplete tumor capsule (P < 0.001), MVI (P = 0.001), PVTT (P = 0.003), advanced BCLC stage (P = 0.01), and vessel carcinoma embolus (VCE) (P = 0.001). M-CTC positively correlated with Ki67. Patients positive for M-CTCs had a significantly shorter OS than patients negative for them. Similarly, high Ki67 expression was associated with a significantly lower OS. The high-risk group (positive for M-CTCs and high Ki67 expression) had worse OS than the other groups (P < 0.0001). Uni- and multivariate analyses showed that OS was independently predicted by M-CTC [hazard ratio (HR) 1.115; P < 0.001], Ki67 (HR 1.666; P = 0.046) and the combination of both (HR 2.885; P = 0.008). Based on ROC curves and the concordance index, the combination of M-CTC and Ki67 was superior to either parameter alone for predicting the OS of HCC patients. CONCLUSIONS The presence of M-CTC correlates with high Ki67 expression in HCC patients, and both factors are associated with poor prognosis. Furthermore, the combination of M-CTC and Ki67 is a useful prognostic indicator for predicting OS in patients with HCC after hepatectomy, performing better than either parameter on its own.
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Affiliation(s)
- Xihua Yang
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, 71# Hedi Road, Qingxiu District, Nanning, Guangxi, 530021, People's Republic of China.,Department of Surgical Oncology, Chenzhou No. 1 People's Hospital, Chenzhou, People's Republic of China.,Key Laboratory of Early Prevention and Treatment for Regional High-Frequency Tumors, Ministry of Education, Nanning, People's Republic of China
| | - Hanghang Ni
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, 71# Hedi Road, Qingxiu District, Nanning, Guangxi, 530021, People's Republic of China.,Key Laboratory of Early Prevention and Treatment for Regional High-Frequency Tumors, Ministry of Education, Nanning, People's Republic of China
| | - Zhan Lu
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, 71# Hedi Road, Qingxiu District, Nanning, Guangxi, 530021, People's Republic of China.,Key Laboratory of Early Prevention and Treatment for Regional High-Frequency Tumors, Ministry of Education, Nanning, People's Republic of China
| | - Jie Zhang
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, 71# Hedi Road, Qingxiu District, Nanning, Guangxi, 530021, People's Republic of China.,Key Laboratory of Early Prevention and Treatment for Regional High-Frequency Tumors, Ministry of Education, Nanning, People's Republic of China
| | - Qian Zhang
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, 71# Hedi Road, Qingxiu District, Nanning, Guangxi, 530021, People's Republic of China
| | - Shangwu Ning
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, 71# Hedi Road, Qingxiu District, Nanning, Guangxi, 530021, People's Republic of China
| | - Lunan Qi
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, 71# Hedi Road, Qingxiu District, Nanning, Guangxi, 530021, People's Republic of China. .,Key Laboratory of Early Prevention and Treatment for Regional High-Frequency Tumors, Ministry of Education, Nanning, People's Republic of China. .,Guangxi Liver Cancer Diagnosis and Treatment Engineering and Technology Research Center, Nanning, People's Republic of China.
| | - Bangde Xiang
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, 71# Hedi Road, Qingxiu District, Nanning, Guangxi, 530021, People's Republic of China. .,Key Laboratory of Early Prevention and Treatment for Regional High-Frequency Tumors, Ministry of Education, Nanning, People's Republic of China. .,Guangxi Liver Cancer Diagnosis and Treatment Engineering and Technology Research Center, Nanning, People's Republic of China.
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Mierke CT. The versatile roles of ADAM8 in cancer cell migration, mechanics, and extracellular matrix remodeling. Front Cell Dev Biol 2023; 11:1130823. [PMID: 36910158 PMCID: PMC9995898 DOI: 10.3389/fcell.2023.1130823] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 02/15/2023] [Indexed: 02/25/2023] Open
Abstract
The posttranslational proteolytic cleavage is a unique and irreversible process that governs the function and half-life of numerous proteins. Thereby the role of the family of A disintegrin and metalloproteases (ADAMs) plays a leading part. A member of this family, ADAM8, has gained attention in regulating disorders, such as neurogenerative diseases, immune function and cancer, by attenuating the function of proteins nearby the extracellular membrane leaflet. This process of "ectodomain shedding" can alter the turnover rate of a number of transmembrane proteins that function in cell adhesion and receptor signal transduction. In the past, the major focus of research about ADAMs have been on neurogenerative diseases, such as Alzheimer, however, there seems to be evidence for a connection between ADAM8 and cancer. The role of ADAMs in the field of cancer research has gained recent attention, but it has been not yet been extensively addressed. Thus, this review article highlights the various roles of ADAM8 with particular emphasis on pathological conditions, such as cancer and malignant cancer progression. Here, the shedding function, direct and indirect matrix degradation, effects on cancer cell mobility and transmigration, and the interplay of ADAM8 with matrix-embedded neighboring cells are presented and discussed. Moreover, the most probable mechanical impact of ADAM8 on cancer cells and their matrix environment is addressed and debated. In summary, this review presents recent advances in substrates/ligands and functions of ADAM8 in its new role in cancer and its potential link to cell mechanical properties and discusses matrix mechanics modifying properties. A deeper comprehension of the regulatory mechanisms governing the expression, subcellular localization, and activity of ADAM8 is expected to reveal appropriate drug targets that will permit a more tailored and fine-tuned modification of its proteolytic activity in cancer development and metastasis.
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Affiliation(s)
- Claudia Tanja Mierke
- Faculty of Physics and Earth Science, Biological Physics Division, Peter Debye Institute of Soft Matter Physics, Leipzig University, Leipzig, Germany
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Zhong W, Sun T. Editorial: Epithelial-mesenchymal transition (EMT) as a therapeutic target in cancer. Front Oncol 2023; 13:1121416. [PMID: 36890820 PMCID: PMC9987418 DOI: 10.3389/fonc.2023.1121416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 01/09/2023] [Indexed: 01/26/2023] Open
Affiliation(s)
- Weilong Zhong
- Department of Gastroenterology and Hepatology, General Hospital, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin Medical University, Tianjin, China
| | - Tao Sun
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy, Nankai University, Tianjin, China
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Sun DP, Huang HY, Chou CL, Cheng LC, Wang WC, Tian YF, Fang CL, Lin KY. Punicalagin is cytotoxic to human colon cancer cells by modulating cell proliferation, apoptosis, and invasion. Hum Exp Toxicol 2023; 42:9603271231213979. [PMID: 37933160 DOI: 10.1177/09603271231213979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2023]
Abstract
Purpose: The purpose of this study was to explore the anticancer effect of punicalagin, an abundant bioactive tannin compound isolated from Punica granatum L., on three colon cancer cell lines, namely, HCT 116, HT-29, and LoVo.Research Design: Normal and colon cancer cells were treated with different concentrations of punicalagin for different periods. Data Collection and Analysis: Cell viability was measured with a CCK-8 assay. Programmed cell death and invasion were analyzed using an annexin V and cell death kit and a cell invasion analysis kit. The expression of active caspase-3, MMP-2, MMP-9, Snail, and Slug were measured by Western blot.Results: The results of the cell viability analysis showed that punicalagin was cytotoxic to colon cancer cells, but it was not to normal cells in a dose- and time-dependent manner. Additionally, punicalagin induced apoptosis in colon cancer cells (shown by the cumulative percentage of colorectal cancer cells in early and late apoptosis). It was found that caspase-3 activity increased following punicalagin treatment. Western blot results also showed that punicalagin increased the expression of activated caspase-3. In contrast, punicalagin inhibited the invasion of colon cancer cells. Further, treatment of colon cancer cells with punicalagin suppressed the expression of MMP-2, MMP-9, Snail, and Slug. Conclusions: These results showed that the activation of caspase-3 and the inhibition of MMP-2, MMP-9, Snail and Slug were involved in the effects of punicalagin on colon cancer cells.
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Affiliation(s)
- Ding-Ping Sun
- Department of Surgery, Chi Mei Medical Center, Tainan, Taiwan
- Department of Food Science and Technology, Chia Nan University of Pharmacy and Science, Tainan, Taiwan
| | - Hsuan-Yi Huang
- Department of Surgery, Chi Mei Medical Center, Tainan, Taiwan
| | - Chia-Lin Chou
- Department of Surgery, Chi Mei Medical Center, Tainan, Taiwan
| | - Li-Chin Cheng
- Department of Surgery, Chi Mei Medical Center, Tainan, Taiwan
| | - Wen-Ching Wang
- Department of Surgery, Chi Mei Medical Center, Tainan, Taiwan
| | - Yu-Feng Tian
- Department of Surgery, Chi Mei Medical Center, Tainan, Taiwan
| | - Chia-Lang Fang
- Department of Pathology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Pathology, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan
| | - Kai-Yuan Lin
- Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan
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Jeethy Ram T, Lekshmi A, Darvin P, Rajappan P, Jagathnath Krishna KM, Anoop TM, Augustine P, Mathew AP, Cherian K, Bhargavan RV, Somanathan T, Radhakrishna Pillai M, Santhosh Kumar TR, Sujathan K. Co-expression of galectin-3 and vimentin in triple negative breast cancer cells promotes tumor progression, metastasis and survival. Tumour Biol 2023; 45:31-54. [PMID: 37574746 DOI: 10.3233/tub-230002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2023] Open
Abstract
BACKGROUND Lack of druggable targets and complex expression heterogeneity of known targets is common among TNBC subtypes. An enhanced expression of galectin-3 in TNBCs has already been documented. We have observed a tumor progression-dependent galectin-3 expression in TNBCs compared to adjacent epithelium and non TNBCs. OBJECTIVE To unravel the association of galectin- 3 in tumor progression, aggressiveness and drug resistance in TNBC patients. METHODS Galectin-3 expression in 489 breast cancer tissues was correlated with clinicopathological features and the results were validated in cell lines and mouse model by silencing galectin-3 using shRNA and the proteins were profiled by western blot and qRT-PCR. Protein interaction was analyzed by GFP Trap and Mass spectrometry. RESULTS Galectin-3 expression correlated with tumor stage in TNBC and a lower galectin-3 expression was associated with poor patient survival. The positive correlation between galectin-3, vimentin and CD44 expression, pinpoints galectin-3 contribution to epithelial to mesenchymal transition, drug resistance and stemness. Vimentin was found as an interacting partner of galectin-3. Duplexing of galecin-3 and vimentin in patient samples revealed the presence of tumor cells co-expressing both galectin-3 and vimentin. In vitro studies also showed its role in tumor cell survival and metastatic potential, elementary for tumor progression. In vivo studies further confirmed its metastatic potential. CONCLUSIONS Tumor progression dependent expression pattern of galectin 3 was found to indicate prognosis. Co-expression of galectin-3 and vimentin in tumor cells promotes tumor dissemination, survival and its metastatic capability in TNBCs.
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Affiliation(s)
- T Jeethy Ram
- Division of Cancer Research, Regional Cancer Centre, Thiruvananthapuram, Kerala, India
- Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Asha Lekshmi
- Division of Cancer Research, Regional Cancer Centre, Thiruvananthapuram, Kerala, India
| | - Pramod Darvin
- Cancer Research, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, Kerala, India
| | - Prakash Rajappan
- Cancer Research, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, Kerala, India
| | | | - T M Anoop
- Medical Oncology, Regional Cancer Centre, Thiruvananthapuram, Kerala, India
| | - Paul Augustine
- Surgical Oncology, Regional Cancer Centre, Thiruvananthapuram, Kerala, India
| | - Arun Peter Mathew
- Surgical Oncology, Regional Cancer Centre, Thiruvananthapuram, Kerala, India
| | - Kurian Cherian
- Surgical Oncology, Regional Cancer Centre, Thiruvananthapuram, Kerala, India
| | - Rexeena V Bhargavan
- Surgical Oncology, Regional Cancer Centre, Thiruvananthapuram, Kerala, India
| | - Thara Somanathan
- Pathology, Regional Cancer Centre, Thiruvananthapuram, Kerala, India
| | - M Radhakrishna Pillai
- Cancer Research, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, Kerala, India
| | - T R Santhosh Kumar
- Cancer Research, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram, Kerala, India
| | - K Sujathan
- Division of Cancer Research, Regional Cancer Centre, Thiruvananthapuram, Kerala, India
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Saha S, Pradhan N, B N, Mahadevappa R, Minocha S, Kumar S. Cancer plasticity: Investigating the causes for this agility. Semin Cancer Biol 2023; 88:138-156. [PMID: 36584960 DOI: 10.1016/j.semcancer.2022.12.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 12/09/2022] [Accepted: 12/19/2022] [Indexed: 12/30/2022]
Abstract
Cancer is not a hard-wired phenomenon but an evolutionary disease. From the onset of carcinogenesis, cancer cells continuously adapt and evolve to satiate their ever-growing proliferation demands. This results in the formation of multiple subtypes of cancer cells with different phenotypes, cellular compositions, and consequently displaying varying degrees of tumorigenic identity and function. This phenomenon is referred to as cancer plasticity, during which the cancer cells exist in a plethora of cellular states having distinct phenotypes. With the advent of modern technologies equipped with enhanced resolution and depth, for example, single-cell RNA-sequencing and advanced computational tools, unbiased cancer profiling at a single-cell resolution are leading the way in understanding cancer cell rewiring both spatially and temporally. In this review, the processes and mechanisms that give rise to cancer plasticity include both intrinsic genetic factors such as epigenetic changes, differential expression due to changes in DNA, RNA, or protein content within the cancer cell, as well as extrinsic environmental factors such as tissue perfusion, extracellular milieu are detailed and their influence on key cancer plasticity hallmarks such as epithelial-mesenchymal transition (EMT) and cancer cell stemness (CSCs) are discussed. Due to therapy evasion and drug resistance, tumor heterogeneity caused by cancer plasticity has major therapeutic ramifications. Hence, it is crucial to comprehend all the cellular and molecular mechanisms that control cellular plasticity. How this process evades therapy, and the therapeutic avenue of targeting cancer plasticity must be diligently investigated.
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Affiliation(s)
- Shubhraneel Saha
- Kusuma School of Biological Sciences, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Nikita Pradhan
- Kusuma School of Biological Sciences, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Neha B
- Kusuma School of Biological Sciences, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Ravikiran Mahadevappa
- Department of Biotechnology, School of Science, Gandhi Institute of Technology and Management, Deemed to be University, Bengaluru, Karnataka 562163, India
| | - Shilpi Minocha
- Kusuma School of Biological Sciences, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India.
| | - Saran Kumar
- Kusuma School of Biological Sciences, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India.
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Rezouki I, Zohair B, Ssi SA, Karkouri M, Razzouki I, Elkarroumi M, Badou A. High VISTA expression is linked to a potent epithelial-mesenchymal transition and is positively correlated with PD1 in breast cancer. Front Oncol 2023; 13:1154631. [PMID: 37152039 PMCID: PMC10157209 DOI: 10.3389/fonc.2023.1154631] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 04/04/2023] [Indexed: 05/09/2023] Open
Abstract
Breast cancer is the most common type of tumor in women worldwide. Immune checkpoint inhibitors, particularly anti-PDL1, have shown promise as a therapeutic approach for managing this disease. However, this type of immunotherapy still fails to work for some patients, leading researchers to explore alternative immune checkpoint targets. The Ig suppressor of T cell activation domain V (VISTA) has emerged as a novel immune checkpoint that delivers inhibitory signals to T cells and has demonstrated encouraging results in various cancers. Our study investigated the association of VISTA expression with clinicopathological parameters in breast cancer patients, its involvement in the Epithelial-Mesenchymal-Transition (EMT) process, and its correlation with PD1 expression. Transcriptomic analysis revealed that VISTA was associated with lobular and metaplastic histological type, tumor size, lymph node status, ER and PR negative status, and the TNBC molecular subtype. Furthermore, VISTA expression was strongly associated with an immunosuppressive tumor microenvironment. Immunohistochemistry analysis corroborated the transcriptomic results, indicating that VISTA was expressed in most immune cells (94%) and was significantly expressed in breast cancer tumor cells compared to matched adjacent tissues. Our study also showed for the first time that VISTA overexpression in breast cancer cells could be associated with the EMT process. Additionally, we identified a positive correlation between VISTA and PD-1 expression. Together, these results highlight the immunosuppressive effect of VISTA in breast cancer patients and suggest that bi-specific targeting of VISTA and PD-1 in combination therapy could be beneficial for these patients.
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Affiliation(s)
- Ibtissam Rezouki
- Laboratory of Immunogenetics and Human Pathologies, Faculty of Medicine and Pharmacy of Casablanca, Hassan II University, Casablanca, Morocco
| | - Basma Zohair
- Laboratory of Immunogenetics and Human Pathologies, Faculty of Medicine and Pharmacy of Casablanca, Hassan II University, Casablanca, Morocco
| | - Saadia Ait Ssi
- Laboratory of Immunogenetics and Human Pathologies, Faculty of Medicine and Pharmacy of Casablanca, Hassan II University, Casablanca, Morocco
| | - Mehdi Karkouri
- Laboratory of Pathological Anatomy, University Hospital Center (CHU) Ibn Rochd, Hassan II University, Casablanca, Morocco
| | - Ibtissam Razzouki
- Laboratory of Pathological Anatomy, University Hospital Center (CHU) Ibn Rochd, Hassan II University, Casablanca, Morocco
| | - Mohamed Elkarroumi
- Department of Obstetrics and Gynecology, University Hospital Center (CHU) Ibn Rochd, Casablanca, Morocco
| | - Abdallah Badou
- Laboratory of Immunogenetics and Human Pathologies, Faculty of Medicine and Pharmacy of Casablanca, Hassan II University, Casablanca, Morocco
- Mohammed VI Center for Research and Innovation, Rabat, Morocco, and Mohammed VI University of Sciences and Health, Casablanca, Morocco
- *Correspondence: Abdallah Badou, ; ;
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Kim CW, Lee HK, Nam MW, Choi Y, Choi KC. Overexpression of KiSS1 Induces the Proliferation of Hepatocarcinoma and Increases Metastatic Potential by Increasing Migratory Ability and Angiogenic Capacity. Mol Cells 2022; 45:935-949. [PMID: 36572562 PMCID: PMC9794555 DOI: 10.14348/molcells.2022.0105] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 09/10/2022] [Accepted: 09/30/2022] [Indexed: 12/28/2022] Open
Abstract
Liver cancer has a high prevalence, with majority of the cases presenting as hepatocellular carcinoma (HCC). The prognosis of metastatic HCC has hardly improved over the past decade, highlighting the necessity for liver cancer research. Studies have reported the ability of the KiSS1 gene to inhibit the growth or metastasis of liver cancer, but contradictory research results are also emerging. We, therefore, sought to investigate the effects of KiSS1 on growth and migration in human HCC cells. HepG2 human HCC cells were infected with lentivirus particles containing KiSS1. The overexpression of KiSS1 resulted in an increased proliferation rate of HCC cells. Quantitative polymerase chain reaction and immunoblotting revealed increased Akt activity, and downregulation of the G1/S phase cell cycle inhibitors. A significant increase in tumor spheroid formation with upregulation of β-catenin and CD133 was also observed. KiSS1 overexpression promoted the migratory, invasive ability, and metastatic capacity of the hepatocarcinoma cell line, and these effects were associated with changes in the expressions of epithelial mesenchymal transition (EMT)-related genes such as E-cadherin, N-cadherin, and slug. KiSS1 overexpression also resulted in dramatically increased tumor growth in the xenograft mouse model, and upregulation of proliferating cell nuclear antigen (PCNA) and Ki-67 in the HCC tumors. Furthermore, KiSS1 increased the angiogenic capacity by upregulation of the vascular endothelial growth factor A (VEGF-A) and CD31. Based on these observations, we infer that KiSS1 not only induces HCC proliferation, but also increases the metastatic potential by increasing the migratory ability and angiogenic capacity.
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Affiliation(s)
- Cho-Won Kim
- Laboratory of Biochemistry and Immunology, College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea
| | - Hong Kyu Lee
- Laboratory of Biochemistry and Immunology, College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea
| | - Min-Woo Nam
- Laboratory of Biochemistry and Immunology, College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea
| | - Youngdong Choi
- Laboratory of Biochemistry and Immunology, College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea
| | - Kyung-Chul Choi
- Laboratory of Biochemistry and Immunology, College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea
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Dukel M. Combination of naringenin and epicatechin sensitizes colon carcinoma cells to anoikis via regulation of the epithelial–mesenchymal transition (EMT). Mol Cell Toxicol 2022. [DOI: 10.1007/s13273-022-00317-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Tran F, Lee E, Cuddapah S, Choi BH, Dai W. MicroRNA-Gene Interactions Impacted by Toxic Metal(oid)s during EMT and Carcinogenesis. Cancers (Basel) 2022; 14:5818. [PMID: 36497298 PMCID: PMC9741118 DOI: 10.3390/cancers14235818] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022] Open
Abstract
Chronic environmental exposure to toxic metal(loid)s significantly contributes to human cancer development and progression. It is estimated that approximately 90% of cancer deaths are a result of metastasis of malignant cells, which is initiated by epithelial-mesenchymal transition (EMT) during early carcinogenesis. EMT is regulated by many families of genes and microRNAs (miRNAs) that control signaling pathways for cell survival, death, and/or differentiation. Recent mechanistic studies have shown that toxic metal(loid)s alter the expression of miRNAs responsible for regulating the expression of genes involved in EMT. Altered miRNA expressions have the potential to be biomarkers for predicting survival and responses to treatment in cancers. Significantly, miRNAs can be developed as therapeutic targets for cancer patients in the clinic. In this mini review, we summarize key findings from recent studies that highlight chemical-miRNA-gene interactions leading to the perturbation of EMT after exposure to toxic metal(loid)s including arsenic, cadmium, nickel, and chromium.
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Affiliation(s)
| | | | | | - Byeong Hyeok Choi
- Division of Environmental Medicine, Department of Medicine, Grossman School of Medicine, New York University, New York, NY 10010, USA
| | - Wei Dai
- Division of Environmental Medicine, Department of Medicine, Grossman School of Medicine, New York University, New York, NY 10010, USA
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Current Progress of EMT: A New Direction of Targeted Therapy for Colorectal Cancer with Invasion and Metastasis. Biomolecules 2022; 12:biom12121723. [PMID: 36551152 PMCID: PMC9775097 DOI: 10.3390/biom12121723] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/12/2022] [Accepted: 11/13/2022] [Indexed: 11/23/2022] Open
Abstract
Colorectal cancer (CRC) is a common malignant tumor with a high frequency of recurrence and metastasis, which are the major causes of death in patients. The prerequisite for the invasion and metastasis is the strong mobility of CRC cells to transport far away from the original site to the distant organs and tissues, where they settle down and proliferate. It was reported that the epithelial-mesenchymal transition (EMT) is involved in the occurrence and development of various tumors in the entire process of tumor invasion and metastasis. Therefore, as a vital factor for the biological characteristics of tumor cells, EMT markers may serve as prognostic predictors and potential therapeutic targets in CRC. This article mainly reviews the current status of CRC with metastasis, the studies of EMT, the possible relationship of EMT with CRC, as well as the potential targeted therapy.
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Pang S, Xu S, Wang L, Wu H, Chu Y, Ma X, Li Y, Zou B, Wang S, Zhou G. Molecular profiles of single circulating tumor cells from early breast cancer patients with different lymph node statuses. Thorac Cancer 2022; 14:156-167. [PMID: 36408679 PMCID: PMC9834698 DOI: 10.1111/1759-7714.14728] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 10/27/2022] [Accepted: 10/31/2022] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Characterization of early breast cancer circulating tumor cells (CTCs) may provide valuable information on tumor metastasis. METHODS We used immunomagnetic nanospheres to capture CTCs from the peripheral blood of eight early breast cancer patients and then performed single-cell RNA sequencing using our proposed bead-dd-seq method. RESULTS CTCs displayed obvious tumor cell characteristics, such as the activation of oxidative stress, proliferation, and promotion of metastasis. CTCs were clustered into two subtypes significantly correlated with the lymph node metastasis status of patients. CTCs in subtype 1 showed a strong metastatic ability because these CTCs have the phenotype of partial epithelial-mesenchymal transition and enriched transcripts, indicating breast cancer responsiveness and proliferation. Furthermore, DNA damage repair pathways were significantly upregulated in subtype 1. We performed in vitro and in vivo investigations, and found that cellular oxidative stress and further DNA damage existed in CTCs. The activated DNA damage repair pathway in CTCs favors resistance to cisplatin. A checkpoint kinase 1 inhibitor sensitized CTCs to cisplatin in mouse models of breast cancer metastasis. CONCLUSION The present study dissects the molecular characteristics of CTCs from early-stage breast cancer, providing novel insight into the understanding of CTC behavior in breast cancer metastasis.
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Affiliation(s)
- Shuyun Pang
- Department of Clinical Pharmacy, Jinling Hospital, State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular MedicineMedical School of Nanjing UniversityNanjingChina
| | - Shu Xu
- School of Basic Medical Science and Clinical PharmacyChina Pharmaceutical UniversityNanjingChina
| | - Lulu Wang
- Department of General Surgery, Jinling HospitalMedical School of Nanjing UniversityNanjingChina
| | - Haiping Wu
- Department of Clinical Pharmacy, Jinling Hospital, State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular MedicineMedical School of Nanjing UniversityNanjingChina,School of Pharmaceutical ScienceSouthern Medical UniversityGuangzhouChina
| | - Yanan Chu
- Department of Clinical Pharmacy, Jinling Hospital, State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular MedicineMedical School of Nanjing UniversityNanjingChina
| | - Xueping Ma
- Department of Clinical Pharmacy, Jinling Hospital, State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular MedicineMedical School of Nanjing UniversityNanjingChina
| | - Yujiao Li
- Department of Clinical Pharmacy, Jinling Hospital, State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular MedicineMedical School of Nanjing UniversityNanjingChina
| | - Bingjie Zou
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, School of PharmacyChina Pharmaceutical UniversityNanjingChina
| | - Shaohua Wang
- Department of General Surgery, Jinling HospitalMedical School of Nanjing UniversityNanjingChina
| | - Guohua Zhou
- Department of Clinical Pharmacy, Jinling Hospital, State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular MedicineMedical School of Nanjing UniversityNanjingChina,School of Pharmaceutical ScienceSouthern Medical UniversityGuangzhouChina,School of PharmacyNanjing Medical UniversityNanjingChina
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Lu X, Zhang W, Liu Y, Liu M. Evodiamine exerts inhibitory roles in non‑small cell lung cancer cell A549 and its sub‑population of stem‑like cells. Exp Ther Med 2022; 24:746. [PMID: 36561974 PMCID: PMC9748704 DOI: 10.3892/etm.2022.11682] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 02/11/2022] [Indexed: 11/09/2022] Open
Abstract
Evodiamine (EVO) is one of the main components extracted from Evodia rutaecarpa and has been reported to inhibit tumor growth by inhibiting proliferation and inducing apoptosis. Although the anticancer activity of evodiamine has been confirmed, the exact mechanism remains to be elucidated. In the present study, cancer stem-like cells (CSCs) were successfully enriched from A549 cells by being cultured in serum-free medium and characterized by detecting stemness markers. Expectedly, the addition of EVO inhibited proliferation, migration and invasion in A549 cells, demonstrating its inhibitory effects on the malignant behaviors of A549 cells. In CSCs derived from A549 cells, EVO treatment promoted cell proliferation while inhibiting migration and invasion. By detecting the hallmarks of the epithelial-mesenchymal transition (EMT), including E-cadherin, Vimentin, Slug and Snail via western blotting, it was revealed that EVO treatment inactivated the EMT process and potentially led to the loss of self-renewal capacity of CSCs and promoted proliferation. By activating the EMT using TGF-β pretreatment, EVO treatment downregulated the hallmarks of the EMT and led to inactivation of the EMT, indicating its potential mechanism of regulating CSCs via the EMT pathway. The findings suggested that modulation of the self-renewal capacity of CSCs may affect malignant cancer behaviors following surgery. EVO exerts inhibitory effects not only on cancer cells but also on CSCs in non-small-cell lung cancer, and therefore could be used as a promising drug targeting CSCs.
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Affiliation(s)
- Xiumin Lu
- Department of Laboratory Diagnosis, The Sixth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150000, P.R. China
| | - Wenjing Zhang
- Department of Laboratory Diagnosis, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150000, P.R. China
| | - Yu Liu
- Department of Prenatal Diagnosis, The Sixth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150000, P.R. China
| | - Meimei Liu
- Department of Prenatal Diagnosis, The Sixth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150000, P.R. China,Correspondence to: Professor Meimei Liu, Department of Prenatal Diagnosis, The Sixth Affiliated Hospital of Harbin Medical University, Intersection of Guihua 294 Road and Guihua 143 Road, Songbei, Harbin, Heilongjiang 150000, P.R. China
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Kim JH, Hwang S, Lee JH, Im SS, Son J. Vitamin C Suppresses Pancreatic Carcinogenesis through the Inhibition of Both Glucose Metabolism and Wnt Signaling. Int J Mol Sci 2022; 23:ijms232012249. [PMID: 36293106 PMCID: PMC9603812 DOI: 10.3390/ijms232012249] [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] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 10/11/2022] [Accepted: 10/11/2022] [Indexed: 11/06/2022] Open
Abstract
Cumulative studies have indicated that high-dose vitamin C has antitumor effects against a variety of cancers. However, the molecular mechanisms underlying these inhibitory effects against tumorigenesis and metastasis, particularly in relation to pancreatic cancer, are unclear. Here, we report that vitamin C at high concentrations impairs the growth and survival of pancreatic ductal adenocarcinoma (PDAC) cells by inhibiting glucose metabolism. Vitamin C was also found to trigger apoptosis in a caspase-independent manner. We further demonstrate that it suppresses the invasion and metastasis of PDAC cells by inhibiting the Wnt/β-catenin-mediated epithelial-mesenchymal transition (EMT). Taken together, our results suggest that vitamin C has therapeutic effects against pancreatic cancer.
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Affiliation(s)
- Ji Hye Kim
- Department of Biomedical Sciences, Asan Medical Center, AMIST, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Sein Hwang
- Department of Biomedical Sciences, Asan Medical Center, AMIST, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Ji-Hye Lee
- Department of Biomedical Sciences, Asan Medical Center, AMIST, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Se Seul Im
- Department of Biomedical Sciences, Asan Medical Center, AMIST, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Jaekyoung Son
- Department of Biomedical Sciences, Asan Medical Center, AMIST, University of Ulsan College of Medicine, Seoul 05505, Korea
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Melcher ML, Block I, Kropf K, Singh AK, Posern G. Interplay of the transcription factor MRTF-A and matrix stiffness controls mammary acinar structure and protrusion formation. Cell Commun Signal 2022; 20:158. [PMID: 36229824 PMCID: PMC9563482 DOI: 10.1186/s12964-022-00977-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 09/18/2022] [Indexed: 11/12/2022] Open
Abstract
Background Ongoing differentiation processes characterize the mammary gland during sexual development and reproduction. In contrast, defective remodelling is assumed to be causal for breast tumorigenesis. We have shown recently that the myocardin-related transcription factor A (MRTF-A) is essential for forming regular hollow acinar structures. Moreover, MRTF-A activity is known to depend on the biochemical and physical properties of the surrounding extracellular matrix. In this study we analysed the mutual interaction of different matrix stiffnesses and MRTF-A activities on formation and maintenance of mammary acini. Methods Human MCF10A acini and primary mature organoids isolated from murine mammary glands were cultivated in 3D on soft and stiff matrices (200–4000 Pa) in conjunction with the Rho/MRTF/SRF pathway inhibitor CCG-203971 and genetic activation of MRTF-A. Results Three-dimensional growth on stiff collagen matrices (> 3000 Pa) was accompanied by increased MRTF-A activity and formation of invasive protrusions in acini cultures of human mammary MCF10A cells. Differential coating and synthetic hydrogels indicated that protrusion formation was attributable to stiffness but not the biochemical constitution of the matrix. Stiffness-induced protrusion formation was also observed in preformed acini isolated from murine mammary glands. Acinar outgrowth in both the MCF10A acini and the primary organoids was partially reverted by treatment with the Rho/MRTF/SRF pathway inhibitor CCG-203971. However, genetic activation of MRTF-A in the mature primary acini also reduced protrusion formation on stiff matrices, whilst it strongly promoted luminal filling matrix-independently. Conclusion Our results suggest an intricate crosstalk between matrix stiffness and MRTF-A, whose activity is required for protrusion formation and sufficient for luminal filling of mammary acini. Video Abstract
Supplementary Information The online version contains supplementary material available at 10.1186/s12964-022-00977-2. Formation of mammary acini depends on crosstalk between matrix stiffness and MRTF-A
Increased matrix stiffness elevates MRTF-A activity and protrusion formation Protrusion formation of MCF10A-derived and primary murine acini is MRTF-dependent
Genetic MRTF-A activation in primary organoids is sufficient for luminal filling
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Affiliation(s)
- Marie-Luise Melcher
- Institute for Physiological Chemistry, Medical Faculty, Martin Luther University Halle-Wittenberg, 06114, Halle (Saale), Germany
| | - Ines Block
- Institute for Physiological Chemistry, Medical Faculty, Martin Luther University Halle-Wittenberg, 06114, Halle (Saale), Germany
| | - Karolin Kropf
- Institute for Physiological Chemistry, Medical Faculty, Martin Luther University Halle-Wittenberg, 06114, Halle (Saale), Germany
| | - Anurag Kumar Singh
- Institute for Physiological Chemistry, Medical Faculty, Martin Luther University Halle-Wittenberg, 06114, Halle (Saale), Germany
| | - Guido Posern
- Institute for Physiological Chemistry, Medical Faculty, Martin Luther University Halle-Wittenberg, 06114, Halle (Saale), Germany.
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De Cicco P, Ercolano G, Tenore GC, Ianaro A. Olive leaf extract inhibits metastatic melanoma spread through suppression of epithelial to mesenchymal transition. Phytother Res 2022; 36:4002-4013. [PMID: 36222190 DOI: 10.1002/ptr.7587] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 03/19/2022] [Accepted: 04/08/2022] [Indexed: 01/07/2023]
Abstract
Olive tree leaves are an abundant source of bioactive compounds with several beneficial effects for human health, including a protective role against many types of cancer. In this study, we investigated the effect of an extract, obtained from olive tree (Olea europaea L.) leaves (OLE), on proliferation, invasion, and epithelial to mesenchymal transition (EMT) on metastatic melanoma, the highly aggressive form of skin cancer and the deadliest diseases. Our results demonstrated that OLE inhibited melanoma cells proliferation through cell cycle arrest and induction of apoptotic cell death. Moreover, OLE suppressed the migration, invasion, and colonies formation of human melanoma cells. Similar to our in vitro findings, we demonstrated that the oral administration of OLE inhibited cutaneous tumor growth and lung metastasis formation in vivo by modulating the expression of EMT related factors. In addition, the anti-proliferative and anti-invasive effects of OLE against melanoma were also related to a simultaneous targeting of mitogen-activated protein kinase and PI3K pathways, both in vitro and in vivo. In conclusion, our findings suggest that OLE has the potential to inhibit the metastatic spread of melanoma cells thanks to its multifaceted mechanistic effects, and may represent a new add-on therapy for the management of metastatic melanoma.
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Affiliation(s)
- Paola De Cicco
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Giuseppe Ercolano
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Gian Carlo Tenore
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Angela Ianaro
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
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45
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Yurteri Ü, Çifcibaşı K, Friess H, Ceyhan GO, Istvanffy R, Demir IE. Schwann Cells in Peripheral Cancers: Bystanders or Promoters? Adv Biol (Weinh) 2022; 6:e2200033. [PMID: 35656739 DOI: 10.1002/adbi.202200033] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 04/19/2022] [Indexed: 01/28/2023]
Abstract
The tumor microenvironment is subject to intense investigation in terms of its influence on tumorigenesis. Despite the fact that Schwann cells are cancer cells' early interaction partners, investigations on tumor progression and the molecular drivers of carcinogenesis do not place enough emphasis on them. Recent studies have shown that malignant cells and nerves interact on several levels during early carcinogenesis. For instance, the emergence of nerves in cancer, known as cancer neo-neurogenesis, is one important mechanism that contributes to cancer progression. Recent studies on Schwann cells brought the investigation of tumor-nerve interactions to a whole new level. Schwann cells make up the majority of glial cells in the peripheral nervous system, are outstandingly plastic cells, and serve a variety of roles in most organs. All these properties make Schwann cells excellent potential targets for tumor cells to exploit and turn them into promoters of carcinogenesis. In the present review, the distinctive features of Schwann cell-tumor cell interactions and the implications of this interaction on the tumor microenvironment are outlined. Further, this study points out the neglected aspects of Schwann cells in the tumor microenvironment and provides a potential new avenue for future research.
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Affiliation(s)
- Ümmügülsüm Yurteri
- Department of Surgery, Klinikum rechts der Isar, Technical University of Munich, School of Medicine, 81675, Munich, Germany.,German Cancer Consortium (DKTK), Partner Site Munich, 81675, Munich, Germany.,CRC 1321 Modelling and Targeting Pancreatic Cancer, 81675, Munich, Germany
| | - Kaan Çifcibaşı
- Department of Surgery, Klinikum rechts der Isar, Technical University of Munich, School of Medicine, 81675, Munich, Germany.,German Cancer Consortium (DKTK), Partner Site Munich, 81675, Munich, Germany.,CRC 1321 Modelling and Targeting Pancreatic Cancer, 81675, Munich, Germany
| | - Helmut Friess
- Department of Surgery, Klinikum rechts der Isar, Technical University of Munich, School of Medicine, 81675, Munich, Germany.,German Cancer Consortium (DKTK), Partner Site Munich, 81675, Munich, Germany.,CRC 1321 Modelling and Targeting Pancreatic Cancer, 81675, Munich, Germany
| | - Güralp O Ceyhan
- Department of General Surgery, HPB-Unit, School of Medicine, Acibadem Mehmet Ali Aydinlar University, Istanbul, 34752, Turkey
| | - Rouzanna Istvanffy
- Department of Surgery, Klinikum rechts der Isar, Technical University of Munich, School of Medicine, 81675, Munich, Germany.,German Cancer Consortium (DKTK), Partner Site Munich, 81675, Munich, Germany.,CRC 1321 Modelling and Targeting Pancreatic Cancer, 81675, Munich, Germany
| | - Ihsan Ekin Demir
- Department of Surgery, Klinikum rechts der Isar, Technical University of Munich, School of Medicine, 81675, Munich, Germany.,German Cancer Consortium (DKTK), Partner Site Munich, 81675, Munich, Germany.,CRC 1321 Modelling and Targeting Pancreatic Cancer, 81675, Munich, Germany.,Department of General Surgery, HPB-Unit, School of Medicine, Acibadem Mehmet Ali Aydinlar University, Istanbul, 34752, Turkey.,Else Kröner Clinician Scientist Professor for Translational Pancreatic Surgery, 81675, Munich, Germany
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Zhu Z, Fang C, Xu H, Yuan L, Du Y, Ni Y, Xu Y, Shao A, Zhang A, Lou M. Anoikis resistance in diffuse glioma: The potential therapeutic targets in the future. Front Oncol 2022; 12:976557. [PMID: 36046036 PMCID: PMC9423707 DOI: 10.3389/fonc.2022.976557] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 07/25/2022] [Indexed: 11/28/2022] Open
Abstract
Glioma is the most common malignant intracranial tumor and exhibits diffuse metastasis and a high recurrence rate. The invasive property of glioma results from cell detachment. Anoikis is a special form of apoptosis that is activated upon cell detachment. Resistance to anoikis has proven to be a protumor factor. Therefore, it is suggested that anoikis resistance commonly occurs in glioma and promotes diffuse invasion. Several factors, such as integrin, E-cadherin, EGFR, IGFR, Trk, TGF-β, the Hippo pathway, NF-κB, eEF-2 kinase, MOB2, hypoxia, acidosis, ROS, Hsp and protective autophagy, have been shown to induce anoikis resistance in glioma. In our present review, we aim to summarize the underlying mechanism of resistance and the therapeutic potential of these molecules.
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Affiliation(s)
- Zhengyang Zhu
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chaoyou Fang
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Houshi Xu
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ling Yuan
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yichao Du
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yunjia Ni
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuanzhi Xu
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Anwen Shao
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Department of Neurosurgery, Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Anke Zhang
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Department of Neurosurgery, Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Meiqing Lou
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Bar-Hai N, Ishay-Ronen D. Engaging plasticity: Differentiation therapy in solid tumors. Front Pharmacol 2022; 13:944773. [PMID: 36034865 PMCID: PMC9410762 DOI: 10.3389/fphar.2022.944773] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 06/28/2022] [Indexed: 11/13/2022] Open
Abstract
Cancer is a systemic heterogeneous disease that can undergo several rounds of latency and activation. Tumor progression evolves by increasing diversity, adaptation to signals from the microenvironment and escape mechanisms from therapy. These dynamic processes indicate necessity for cell plasticity. Epithelial-mesenchymal transition (EMT) plays a major role in facilitating cell plasticity in solid tumors by inducing dedifferentiation and cell type transitions. These two practices, plasticity and dedifferentiation enhance tumor heterogeneity creating a key challenge in cancer treatment. In this review we will explore cancer cell plasticity and elaborate treatment modalities that aspire to overcome such dynamic processes in solid tumors. We will further discuss the therapeutic potential of utilizing enhanced cell plasticity for differentiation therapy.
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Affiliation(s)
- Neta Bar-Hai
- Cancer Research Center, Oncology Institute, Chaim Sheba Medical Center, Tel-Hashomer, Israel
- Affiliated with Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Dana Ishay-Ronen
- Cancer Research Center, Oncology Institute, Chaim Sheba Medical Center, Tel-Hashomer, Israel
- Affiliated with Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- *Correspondence: Dana Ishay-Ronen,
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48
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Assessment of a Size-Based Method for Enriching Circulating Tumour Cells in Colorectal Cancer. Cancers (Basel) 2022; 14:cancers14143446. [PMID: 35884509 PMCID: PMC9319975 DOI: 10.3390/cancers14143446] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 07/01/2022] [Accepted: 07/12/2022] [Indexed: 12/07/2022] Open
Abstract
Circulating tumour cells (CTC) from solid tumours are a prerequisite for metastasis. Isolating CTCs and understanding their biology is essential for developing new clinical tests and precision oncology. Currently, CellSearch is the only FDA (U.S. Food and Drug Administration)-approved method for CTC enrichment but possesses several drawbacks owing to a reliance on the epithelial cell adhesion molecule (EpCAM) and a resource-intensive nature. Addressing these shortcomings, we optimised an existing size-based method, MetaCell, to enrich CTCs from blood of colorectal cancer (CRC) patients. We evaluated the ability of MetaCell to enrich CTCs by spiking blood with CRC cell lines and assessing the cell recovery rates and WBC depletion via immunostaining and gene expression. We then applied MetaCell to samples from 17 CRC patients and seven controls. Recovery rates were >85% in cell lines, with >95% depletion in WBCs. MetaCell yielded CTCs and CTC clusters in 52.9% and 23.5% of the patients, respectively, without false positives in control patients. CTCs and cluster detection did not correlate with histopathological parameters. Overall, we demonstrated that the MetaCell platform enriched CRC cells with high recovery rates and high purity. Our pilot study also demonstrated the ability of MetaCell to detect CTCs in CRC patients.
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49
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Wang H, Lin Z, Nian Z, Zhang W, Liu W, Yan F, Xiao Z, Wang X, Zhang Z, Ma Z, Liu Z. Hematopoietic transcription factor GFI1 promotes anchorage independence by sustaining ERK activity in cancer cells. J Clin Invest 2022; 132:149551. [PMID: 35819844 PMCID: PMC9433100 DOI: 10.1172/jci149551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 07/07/2022] [Indexed: 11/26/2022] Open
Abstract
The switch from anchorage-dependent to anchorage-independent growth is essential for epithelial metastasis. The underlying mechanism, however, is not fully understood. In this study, we identified growth factor independent-1 (GFI1), a transcription factor that drives the transition from adherent endothelial cells to suspended hematopoietic cells during hematopoiesis, as a critical regulator of anchorage independence in lung cancer cells. GFI1 elevated the numbers of circulating and lung-infiltrating tumor cells in xenograft models and predicted poor prognosis of patients with lung cancer. Mechanistically, GFI1 inhibited the expression of multiple adhesion molecules and facilitated substrate detachment. Concomitantly, GFI1 reconfigured the chromatin structure of the RASGRP2 gene and increased its expression, causing Rap1 activation and subsequent sustained ERK activation upon detachment, and this led to ERK signaling dependency in tumor cells. Our studies unveiled a mechanism by which carcinoma cells hijacked a hematopoietic factor to gain anchorage independence and suggested that the intervention of ERK signaling may suppress metastasis and improve the therapeutic outcome of patients with GFI1-positive lung cancer.
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Affiliation(s)
- Hao Wang
- Department of Immunology, Tianjin Medical University, Tianjin, China
| | - Zhenzhen Lin
- Department of Immunology, Tianjin Medical University, Tianjin, China
| | - Zhe Nian
- Department of Immunology, Tianjin Medical University, Tianjin, China
| | - Wei Zhang
- Department of Immunology, Tianjin Medical University, Tianjin, China
| | - Wenxu Liu
- Department of Immunology, Tianjin Medical University, Tianjin, China
| | - Fei Yan
- Department of Immunology, Tianjin Medical University, Tianjin, China
| | - Zengtuan Xiao
- Department of Lung Cancer Surgery, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Xia Wang
- Department of Gastrointestinal Oncology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Zhenfa Zhang
- Department of Lung Cancer Surgery, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Zhenyi Ma
- Department of Immunology, Tianjin Medical University, Tianjin, China
| | - Zhe Liu
- Department of Immunology, Tianjin Medical University, Tianjin, China
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50
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Tumor microenvironment as a metapopulation model: the effects of angiogenesis, emigration and treatment modalities. J Theor Biol 2022; 545:111147. [PMID: 35489642 DOI: 10.1016/j.jtbi.2022.111147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 03/21/2022] [Accepted: 04/21/2022] [Indexed: 11/21/2022]
Abstract
Tumors consist of heterogeneous cell subpopulations that may develop differing phenotypes, such as increased cell growth, metastatic potential and treatment sensitivity or resistance. To study the dynamics of cancer development at a single-cell level, we model the tumor microenvironment as a metapopulation, in which habitat patches correspond to possible sites for cell subpopulations. Cancer cells may emigrate into dispersal pool (e.g. circulation system) and spread to new sites (i.e. metastatic disease). In the patches, cells divide and new variants may arise, possibly leading into an invasion provided the aberration promotes the cell growth. To study such adaptive landscape of cancer ecosystem, we consider various evolutionary strategies (phenotypes), such as emigration and angiogenesis, which are important determinants during early stages of tumor development. We use the metapopulation fitness of new variants to investigate how these strategies evolve through natural selection and disease progression. We further study various treatment effects and investigate how different therapy regimens affect the evolution of the cell populations. These aspects are relevant, for example, when examining the dynamic process of a benign tumor becoming cancerous, and what is the best treatment strategy during the early stages of cancer development. It is shown that positive angiogenesis promotes cancer cell growth in the absence of anti-angiogenic treatment, and that the anti-angiogenic treatment reduces the need of cytotoxic treatment when used in a combination. Interestingly, the model predicts that treatment resistance might become a favorable quality to cancer cells when the anti-angiogenic treatment is intensive enough. Thus, the optimal treatment dosage should remain below a patient-specific level to avoid treatment resistance.
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