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Chang CY, Pearce G, Betaneli V, Kapustsenka T, Hosseini K, Fischer-Friedrich E, Corbeil D, Karbanová J, Taubenberger A, Dahncke B, Rauner M, Furesi G, Perner S, Rost F, Jessberger R. The F-actin bundler SWAP-70 promotes tumor metastasis. Life Sci Alliance 2024; 7:e202302307. [PMID: 38760173 PMCID: PMC11101836 DOI: 10.26508/lsa.202302307] [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: 08/07/2023] [Revised: 05/08/2024] [Accepted: 05/09/2024] [Indexed: 05/19/2024] Open
Abstract
Dynamic rearrangements of the F-actin cytoskeleton are a hallmark of tumor metastasis. Thus, proteins that govern F-actin rearrangements are of major interest for understanding metastasis and potential therapies. We hypothesized that the unique F-actin binding and bundling protein SWAP-70 contributes importantly to metastasis. Orthotopic, ectopic, and short-term tail vein injection mouse breast and lung cancer models revealed a strong positive dependence of lung and bone metastasis on SWAP-70. Breast cancer cell growth, migration, adhesion, and invasion assays revealed SWAP-70's key role in these metastasis-related cell features and the requirement for SWAP-70 to bind F-actin. Biophysical experiments showed that tumor cell stiffness and deformability are negatively modulated by SWAP-70. Together, we present a hitherto undescribed, unique F-actin modulator as an important contributor to tumor metastasis.
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Affiliation(s)
- Chao-Yuan Chang
- https://ror.org/042aqky30 Institute for Physiological Chemistry, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Glen Pearce
- https://ror.org/042aqky30 Institute for Physiological Chemistry, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Viktoria Betaneli
- https://ror.org/042aqky30 Institute for Physiological Chemistry, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Tatsiana Kapustsenka
- https://ror.org/042aqky30 Institute for Physiological Chemistry, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Kamran Hosseini
- https://ror.org/042aqky30 Cluster of Excellence Physics of Life, Technische Universität Dresden, Dresden, Germany
| | - Elisabeth Fischer-Friedrich
- https://ror.org/042aqky30 Cluster of Excellence Physics of Life, Technische Universität Dresden, Dresden, Germany
| | - Denis Corbeil
- Biotechnology Center (BIOTEC) and Center for Molecular and Cellular Bioengineering, Dresden, Germany
- https://ror.org/042aqky30 Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Jana Karbanová
- Biotechnology Center (BIOTEC) and Center for Molecular and Cellular Bioengineering, Dresden, Germany
- https://ror.org/042aqky30 Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Anna Taubenberger
- Biotechnology Center (BIOTEC) and Center for Molecular and Cellular Bioengineering, Dresden, Germany
- https://ror.org/042aqky30 Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Björn Dahncke
- https://ror.org/042aqky30 Institute for Physiological Chemistry, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Martina Rauner
- https://ror.org/042aqky30 Department of Medicine III and Center for Healthy Aging, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Giulia Furesi
- https://ror.org/042aqky30 Department of Medicine III and Center for Healthy Aging, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Sven Perner
- Institute of Pathology, University of Lübeck and University Hospital Schleswig-Holstein, Lübeck, Germany
- Institute of Pathology, Research Center Borstel, Leibniz Lung Center, Borstel, Germany
| | - Fabian Rost
- https://ror.org/042aqky30 DRESDEN-concept Genome Center, Technology Platform at the Center for Molecular and Cellular Bioengineering (CMCB), Technische Universität Dresden, Dresden, Germany
| | - Rolf Jessberger
- https://ror.org/042aqky30 Institute for Physiological Chemistry, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
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Arduini A, Fleming SJ, Xiao L, Hall AW, Akkad AD, Chaffin M, Bendinelli KJ, Tucker NR, Papangeli I, Mantineo H, Babadi M, Stegmann CM, García-Cardeña G, Lindsay ME, Klattenhoff C, Ellinor PT. Transcriptional profile of the rat cardiovascular system at single cell resolution. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.14.567085. [PMID: 38014050 PMCID: PMC10680727 DOI: 10.1101/2023.11.14.567085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Background Despite the critical role of the cardiovascular system, our understanding of its cellular and transcriptional diversity remains limited. We therefore sought to characterize the cellular composition, phenotypes, molecular pathways, and communication networks between cell types at the tissue and sub-tissue level across the cardiovascular system of the healthy Wistar rat, an important model in preclinical cardiovascular research. We obtained high quality tissue samples under controlled conditions that reveal a level of cellular detail so far inaccessible in human studies. Methods and Results We performed single nucleus RNA-sequencing in 78 samples in 10 distinct regions including the four chambers of the heart, ventricular septum, sinoatrial node, atrioventricular node, aorta, pulmonary artery, and pulmonary veins (PV), which produced an aggregate map of 505,835 nuclei. We identified 26 distinct cell types and additional subtypes, including a number of rare cell types such as PV cardiomyocytes and non-myelinating Schwann cells (NMSCs), and unique groups of vascular smooth muscle cells (VSMCs), endothelial cells (ECs) and fibroblasts (FBs), which gave rise to a detailed cell type distribution across tissues. We demonstrated differences in the cellular composition across different cardiac regions and tissue-specific differences in transcription for each cell type, highlighting the molecular diversity and complex tissue architecture of the cardiovascular system. Specifically, we observed great transcriptional heterogeneities among ECs and FBs. Importantly, several cell subtypes had a unique regional localization such as a subtype of VSMCs enriched in the large vasculature. We found the cellular makeup of PV tissue is closer to heart tissue than to the large arteries. We further explored the ligand-receptor repertoire across cell clusters and tissues, and observed tissue-enriched cellular communication networks, including heightened Nppa - Npr1 / 2 / 3 signaling in the sinoatrial node. Conclusions Through a large single nucleus sequencing effort encompassing over 500,000 nuclei, we broadened our understanding of cellular transcription in the healthy cardiovascular system. The existence of tissue-restricted cellular phenotypes suggests regional regulation of cardiovascular physiology. The overall conservation in gene expression and molecular pathways across rat and human cell types, together with our detailed transcriptional characterization of each cell type, offers the potential to identify novel therapeutic targets and improve preclinical models of cardiovascular disease.
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Bao L, Kong H, Ja Y, Wang C, Qin L, Sun H, Dai S. The relationship between cancer and biomechanics. Front Oncol 2023; 13:1273154. [PMID: 37901315 PMCID: PMC10602664 DOI: 10.3389/fonc.2023.1273154] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 09/27/2023] [Indexed: 10/31/2023] Open
Abstract
The onset, development, diagnosis, and treatment of cancer involve intricate interactions among various factors, spanning the realms of mechanics, physics, chemistry, and biology. Within our bodies, cells are subject to a variety of forces such as gravity, magnetism, tension, compression, shear stress, and biological static force/hydrostatic pressure. These forces are perceived by mechanoreceptors as mechanical signals, which are then transmitted to cells through a process known as mechanical transduction. During tumor development, invasion and metastasis, there are significant biomechanical influences on various aspects such as tumor angiogenesis, interactions between tumor cells and the extracellular matrix (ECM), interactions between tumor cells and other cells, and interactions between tumor cells and the circulatory system and vasculature. The tumor microenvironment comprises a complex interplay of cells, ECM and vasculature, with the ECM, comprising collagen, fibronectins, integrins, laminins and matrix metalloproteinases, acting as a critical mediator of mechanical properties and a key component within the mechanical signaling pathway. The vasculature exerts appropriate shear forces on tumor cells, enabling their escape from immune surveillance, facilitating their dissemination in the bloodstream, dictating the trajectory of circulating tumor cells (CTCs) and playing a pivotal role in regulating adhesion to the vessel wall. Tumor biomechanics plays a critical role in tumor progression and metastasis, as alterations in biomechanical properties throughout the malignant transformation process trigger a cascade of changes in cellular behavior and the tumor microenvironment, ultimately culminating in the malignant biological behavior of the tumor.
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Affiliation(s)
- Liqi Bao
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- Renji College, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Hongru Kong
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yang Ja
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- The First Clinical Medical College, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Chengchao Wang
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- The First Clinical Medical College, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Lei Qin
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Hongwei Sun
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Shengjie Dai
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
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Chen Y, Klingen TA, Aas H, Wik E, Akslen LA. CD47 and CD68 expression in breast cancer is associated with tumor-infiltrating lymphocytes, blood vessel invasion, detection mode, and prognosis. J Pathol Clin Res 2023; 9:151-164. [PMID: 36598153 PMCID: PMC10073931 DOI: 10.1002/cjp2.309] [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: 06/22/2022] [Revised: 12/16/2022] [Accepted: 12/23/2022] [Indexed: 01/05/2023]
Abstract
CD47 expressed on tumor cells binds to signal regulatory protein alpha on macrophages, initiating inhibition of phagocytosis. We investigated the relationships between tumor expression of CD47 and CD68 macrophage content, subsets of tumor-infiltrating lymphocytes (TILs), and vascular invasion in breast cancer. A population-based series of 282 cases (200 screen detected and 82 interval patients) from the Norwegian Breast Cancer Screening Program was examined. Immunohistochemical staining for CD47 and CD68 was evaluated on tissue microarray (TMA) slides. For CD47 evaluation, a staining index was used. CD68 tumor-associated macrophages were counted and dichotomized. TIL subsets (CD45, CD3, CD4, CD8, and FOXP3) were counted and dichotomized using immunohistochemistry on TMA slides. Vascular invasion (both lymphatic and blood vessel) was determined on whole tissue slides. High CD47 tumor cell expression or high counts of CD68 macrophages were significantly associated with elevated levels of all TIL subsets (p < 0.02), CD163 macrophages (p < 0.001), blood vessel invasion (CD31 positive) (p < 0.01), and high tumor cell Ki67 (p < 0.004). High CD47 expression was associated with ER negativity (p < 0.001), HER2 positive status (p = 0.03), and interval-detected tumors (p = 0.03). Combined high expression of CD47-CD68 was associated with a shorter recurrence-free survival (RFS) by multivariate analysis (hazard ratio [HR]: 2.37, p = 0.018), adjusting for tumor diameter, histologic grade, lymph node status, and molecular subtype. Patients with luminal A tumors showed a shorter RFS for CD47-CD68 high cases by multivariate assessment (HR: 5.73, p = 0.004). This study demonstrates an association of concurrent high CD47 tumor cell expression and high CD68 macrophage counts with various TIL subsets, blood vessel invasion (CD31 positive), other aggressive tumor features, and interval-presenting breast cancer. Our findings suggest a link between CD47, tumor immune response, and blood vessel invasion (CD31 positive). Combined high expression of CD47-CD68 was an independent prognostic factor associated with poor prognosis in all cases, as well as in the luminal A category.
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Affiliation(s)
- Ying Chen
- Centre for Cancer Biomarkers CCBIO, Department of Clinical MedicineUniversity of BergenBergenNorway
- Department of PathologyVestfold HospitalTønsbergNorway
- Department of PathologyOslo University HospitalOsloNorway
- Fürst Medical LaboratoryOsloNorway
| | - Tor Audun Klingen
- Centre for Cancer Biomarkers CCBIO, Department of Clinical MedicineUniversity of BergenBergenNorway
- Department of PathologyVestfold HospitalTønsbergNorway
| | - Hans Aas
- Department of SurgeryVestfold HospitalTønsbergNorway
| | - Elisabeth Wik
- Centre for Cancer Biomarkers CCBIO, Department of Clinical MedicineUniversity of BergenBergenNorway
- Department of PathologyHaukeland University HospitalBergenNorway
| | - Lars A Akslen
- Centre for Cancer Biomarkers CCBIO, Department of Clinical MedicineUniversity of BergenBergenNorway
- Department of PathologyHaukeland University HospitalBergenNorway
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Lu H, Zhou L, Zhang B, Xie Y, Yang H, Wang Z. Cuproptosis key gene FDX1 is a prognostic biomarker and associated with immune infiltration in glioma. Front Med (Lausanne) 2022; 9:939776. [PMID: 36523779 PMCID: PMC9745336 DOI: 10.3389/fmed.2022.939776] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 10/26/2022] [Indexed: 07/27/2023] Open
Abstract
Recent studies have found that the protein encoded by the FDX1 gene is involved in mediating Cuproptosis as a regulator of protein lipoylation and related to immune response process of tumors. However, the specific biological function of FDX1 in glioma is currently unclear. To explore the potential function of FDX1, this study explored the correlation between the expression of FDX1 in cancers and survival prognosis by analyzing the public databases of GEPIA and Cbioportal. Immune infiltration was analyzed by the TIMER2.0 database in tumors. The possible biological processes and functions of FDX1-related in glioma were annotated through gene enrichment. Relationship between Cuproptosis and autophagy was explored through gene co-expression studies. Summary and conclusions of this study: (1) FDX1 is highly expressed in gliomas and associated with poor prognosis in low-grade gliomas (LGG). (2) Gene annotation indicates that FDX1 is mainly involved in the tumor protein lipoylation and cell death. (3) FDX1 expression is positively correlated with the infiltration of immune cells. (4) LIPT2 and NNAT, two other genes involved in lipoylation, may be unidentified marker gene for Cuproptosis. And the Cuproptosis genes related to FDX1 were positively correlated with the expression of autophagy marker genes Atg5, Atg12, and BECN-1. This evidence suggests that there may be some interaction between FDX1 mediated Cuproptosis and autophagy. In summary, FDX1 may serve as a potential immunotherapy target and prognostic marker for Glioma.
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Affiliation(s)
- Hanwen Lu
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, Xiamen, China
- Institute of Neurosurgery, School of Medicine, Xiamen University, Xiamen, China
| | - Liwei Zhou
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, Xiamen, China
- Department of Neurosurgery, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Bingchang Zhang
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, Xiamen, China
- Department of Neurosurgery, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Yuanyuan Xie
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, Xiamen, China
- Department of Neurosurgery, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Huiyin Yang
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, Xiamen, China
- Institute of Neurosurgery, School of Medicine, Xiamen University, Xiamen, China
| | - Zhanxiang Wang
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, Xiamen, China
- Institute of Neurosurgery, School of Medicine, Xiamen University, Xiamen, China
- Department of Neurosurgery, The First Affiliated Hospital of Xiamen University, Xiamen, China
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Ren F, Xie M, Gao J, Wu C, Xu Y, Zang X, Ma X, Deng H, Song J, Huang A, Pang L, Qian J, Yu Z, Zhuang G, Liu S, Pan L, Xue X. Tertiary lymphoid structures in lung adenocarcinoma: characteristics and related factors. Cancer Med 2022; 11:2969-2977. [PMID: 35801360 PMCID: PMC9359870 DOI: 10.1002/cam4.4796] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 12/15/2021] [Accepted: 12/18/2021] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVE Tertiary lymphoid structures (TLSs) are found in a variety of malignancies and affect the growth of tumors, but few studies have addressed their role in lung adenocarcinoma (LAC). We aimed to evaluate clinical features associated with TLSs in patients with LAC. METHODS AND MATERIALS A collection of resected pulmonary nodules in patients with LAC was retrospectively analyzed. TLSs were quantified by their number per square millimeter tumor area (density) and by the degree of lymphocyte aggregation (maturity) in each case. The correlation between TLS density and maturity and clinical features was calculated. RESULTS A total of 243 patients were selected, of whom 219 exhibited TLSs. The occurrence of TLSs was correlated with computed tomography (CT) features as follows: pure ground-glass nodules (pGGNs) (n = 43) was associated with a lower occurrence rate than part-solid nodules (PSNs) (n = 112) and solid nodules (SNs) were (n = 88) (p = 0.037). TLS density was correlated with age and CT features. Poisson regression showed higher TLS density in PSNs and SNs than in pGGNs (incidence rate ratio [IRR]: 3.137; 95% confidence interval [CI]: 1.35-7.27; p = 0.008 and IRR: 2.44; 95% CI: 1.02-5.85; p = 0.046, respectively). In addition, TLS density was higher in patients aged under 60 years than in those aged over 60 years (IRR: 0.605; 95% CI: 0.4-0.92; p = 0.018). The maturity of TLSs was higher in patients with higher tumor stages (p = 0.026). CONCLUSIONS We demonstrated distinct profiles of TLSs in early LAC and their correlations with CT features, age, and tumor stages, which could help understand tumor progression and management.
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Affiliation(s)
- Fangping Ren
- Department of Respiratory and Critical Care, Beijing Shijitan Hospital, Capital Medical University, Beijing, P.R. China
| | - Mei Xie
- Department of Respiratory and Critical Care, the Chinese PLA General Hospital, Beijing, P.R. China
| | - Jie Gao
- Department of Pathology, the Chinese PLA General Hospital, Beijing, P.R. China
| | - Chongchong Wu
- Department of Radiology, the Chinese PLA General Hospital, Beijing, P.R. China
| | - Yang Xu
- Department of Respiratory and Critical Care, the Chinese PLA General Hospital, Beijing, P.R. China
| | - Xuelei Zang
- Center of Clinical Laboratory Medicine, the first Medical Centre, Chinese PLA General Hospital, Beijing, P.R. China
| | - Xidong Ma
- Department of Respiratory and Critical Care, the Chinese PLA General Hospital, Beijing, P.R. China
| | - Hui Deng
- Department of Respiratory and Critical Care, Beijing Shijitan Hospital, Capital Medical University, Beijing, P.R. China
| | - Jialin Song
- Department of Respiratory Medicine, Weifang Medical university, Weifang, People's Republic of China
| | - Aiben Huang
- Department of Respiratory and Critical Care, Beijing Shijitan Hospital, Capital Medical University, Beijing, P.R. China
| | - Li Pang
- Department of Respiratory and Critical Care, Beijing Shijitan Hospital, Capital Medical University, Beijing, P.R. China
| | - Jin Qian
- Department of Respiratory and Critical Care, Beijing Shijitan Hospital, Capital Medical University, Beijing, P.R. China
| | - Zhaofeng Yu
- School of Medicine, Peking University, Beijing, P.R. China
| | - Guanglei Zhuang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, P.R. China
| | - Sanhong Liu
- Shanghai Key Laboratory of Gynecologic Oncology, Renji Hospital, School of Medicine, Shanghai JiaoTong University, Shanghai, P.R. China
| | - Lei Pan
- Department of Respiratory and Critical Care, Beijing Shijitan Hospital, Capital Medical University, Beijing, P.R. China
| | - Xinying Xue
- Department of Respiratory and Critical Care, Beijing Shijitan Hospital, Capital Medical University, Beijing, P.R. China
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7
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Choi J, Park S. A nanomechanical strategy involving focal adhesion kinase for overcoming drug resistance in breast cancer. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2022; 43:102559. [PMID: 35390528 DOI: 10.1016/j.nano.2022.102559] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 03/21/2022] [Accepted: 03/22/2022] [Indexed: 06/14/2023]
Abstract
Despite implementation of nanomechanical studies in cancer research, studies on the nanomechanical aspects of drug resistance in cancer are lacking. Here, we established the mechanical signatures of drug-resistant breast cancer cells using atomic force microscopy-based indentation techniques and functionalized nanopatterned substrates (NPS). Additionally, we examined the expression of proteins pertinent to focal adhesions in order to elucidate the molecular signatures responsible for the acquisition of drug resistance in breast cancer cells. Drug-resistant breast cancer cells exhibited mechanical reinforcement, increased actin stress fibers, dysfunctional mechano-reciprocal interaction with the NPS, vinculin overexpression, and improved focal adhesion kinase (FAK) activity. Owing to differences in FAK activation upon co-treatment with a FAK inhibitor, the drug-resistant breast cancer cells were eradicated more efficiently than invasive breast cancer cells having pro-survival activity. These findings demonstrated the potential of a novel co-treatment regimen using FAK inhibitors for overcoming drug resistance in breast cancer cells.
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Affiliation(s)
- Jinsol Choi
- College of Pharmacy, Keimyung University, Daegu, Republic of Korea
| | - Soyeun Park
- College of Pharmacy, Keimyung University, Daegu, Republic of Korea.
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8
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Tang X, Zhang Y, Mao J, Wang Y, Zhang Z, Wang Z, Yang H. Effects of substrate stiffness on the viscoelasticity and migration of prostate cancer cells examined by atomic force microscopy. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2022; 13:560-569. [PMID: 35860456 PMCID: PMC9263554 DOI: 10.3762/bjnano.13.47] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 06/03/2022] [Indexed: 06/07/2023]
Abstract
The stiffness of the extracellular matrix of tumour cells plays a key role in tumour cell metastasis. However, it is unclear how mechanical properties regulate the cellular response to the environmental matrix. In this study, atomic force microscopy (AFM) and laser confocal imaging were used to qualitatively evaluate the relationship between substrate stiffness and migration of prostate cancer (PCa) cells. Cells cultured on stiff substrates (35 kPa) undergone several interesting phenomena compared to those on soft substrates (3 kPa). Here, the stimulation generated by the stiff substrates triggered the F-actin skeleton to bundle its filaments, increasing the polarity index of the external contour of PCa cells. Analysis of AFM force-distance curves indicated that the elasticity of the cells cultured on 35 kPa substrates increased while the viscosity decreased. Wound-healing experiments showed that PCa cells cultured on 35 kPa substrates have higher migration potential. These phenomena suggested that the mechanical properties may be correlated with the migration of PCa cells. After actin depolymerisation, the elasticity of the PCa cells decreased while the viscosity increased, and the migration ability was correspondingly decreased. In conclusion, this study clearly demonstrated the relationship between substrate stiffness and the mechanical properties of cells in prostate tumour metastasis, providing a basis for understanding the changes in the biomechanical properties at a single-cell level.
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Affiliation(s)
- Xiaoqiong Tang
- Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education, Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou 350007, China
| | - Yan Zhang
- Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education, Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou 350007, China
| | - Jiangbing Mao
- Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education, Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou 350007, China
| | - Yuhua Wang
- Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education, Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou 350007, China
| | - Zhenghong Zhang
- Fujian Provincial Key Laboratory for Developmental Biology and Neurosciences, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
| | - Zhengchao Wang
- Fujian Provincial Key Laboratory for Developmental Biology and Neurosciences, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
| | - Hongqin Yang
- Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education, Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou 350007, China
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9
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Luo M, Yang W, Cartwright TN, Higgins JMG, Chen J. Simultaneous Measurement of Single-Cell Mechanics and Cell-to-Materials Adhesion Using Fluidic Force Microscopy. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:620-628. [PMID: 34981921 DOI: 10.1021/acs.langmuir.1c01973] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The connection between cells and their substrate is essential for biological processes such as cell migration. Atomic force microscopy nanoindentation has often been adopted to measure single-cell mechanics. Very recently, fluidic force microscopy has been developed to enable rapid measurements of cell adhesion. However, simultaneous characterization of the cell-to-material adhesion and viscoelastic properties of the same cell is challenging. In this study, we present a new approach to simultaneously determine these properties for single cells, using fluidic force microscopy. For MCF-7 cells grown on tissue-culture-treated polystyrene surfaces, we found that the adhesive force and adhesion energy were correlated for each cell. Well-spread cells tended to have stronger adhesion, which may be due to the greater area of the contact between cellular adhesion receptors and the surface. By contrast, the viscoelastic properties of MCF-7 cells cultured on the same surface appeared to have little dependence on cell shape. This methodology provides an integrated approach to better understand the biophysics of multiple cell types.
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Affiliation(s)
- Ma Luo
- School of Engineering, Newcastle University, Newcastle Upon Tyne NE1 7RU, U.K
| | - Wenjian Yang
- School of Engineering, Newcastle University, Newcastle Upon Tyne NE1 7RU, U.K
- Research Center for Intelligent Sensing Systems, Zhijiang Laboratory, Hangzhou 311100, China
| | - Tyrell N Cartwright
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Framlington Place, Newcastle upon Tyne NE2 4HH, U.K
| | - Jonathan M G Higgins
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Framlington Place, Newcastle upon Tyne NE2 4HH, U.K
| | - Jinju Chen
- School of Engineering, Newcastle University, Newcastle Upon Tyne NE1 7RU, U.K
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Li J, Liao D, Wang F, Wang Z, Li Y, Xiong Y, Niu T. RIPK1 inhibition enhances the therapeutic efficacy of chidamide in FLT3-ITD positive AML, both in vitro and in vivo. Leuk Lymphoma 2021; 63:1167-1179. [PMID: 34865571 DOI: 10.1080/10428194.2021.2010056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Acute myeloid leukemia (AML) with FLT3-ITD mutation accounts for a large proportion of relapsed/refractory AML with poor prognosis. RIPK1 is a known key regulator of necroptosis and RIPK1 inhibition shows anti-AML effects in vitro. Chidamide is a histone deacetylase inhibitor (HDACi) with proven ability to induce apoptosis in FLT3-ITD positive AML cells. In the present study, we evaluated the effects of the combination of 22b, a novel RIPK1 inhibitor, and chidamide on proliferation and apoptosis in FLT3-ITD positive AML cell lines and primary cells. The results showed that 22b could significantly enhance the anti-leukemia effect of low-dose chidamide both on cell lines and primary cells. In a subcutaneous xenograft AML model, the combination of 22b and chidamide exhibited obviously elevated anti-tumor activity. In conclusion, our results support that the combination of RIPK1 inhibitor 22b and chidamide may be a novel therapeutic avenue for FLT3-ITD positive AML patients.
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Affiliation(s)
- Jun Li
- Department of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Dan Liao
- Department of Hematology, West China Hospital, Sichuan University, Chengdu, China.,Department of Hematology, The Third Hospital of Mianyang, Mianyang, China
| | - Fujue Wang
- Department of Hematology, West China Hospital, Sichuan University, Chengdu, China.,Department of Hematology, The First Affiliated Hospital of University of South China, Hengyang, China
| | - Zhongwang Wang
- Department of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Yueshan Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yu Xiong
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Ting Niu
- Department of Hematology, West China Hospital, Sichuan University, Chengdu, China
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11
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Yuan Y, Wang Z, Chen M, Jing Y, Shu W, Xie Z, Li Z, Xu J, He F, Jiao P, Wang J, Xu J, Xia Y, Liu S, Du H, Li H, Dai L, Dai Y, Zhang Y. Macrophage-Derived Exosomal miR-31-5p Promotes Oral Squamous Cell Carcinoma Tumourigenesis Through the Large Tumor Suppressor 2-Mediated Hippo Signalling Pathway. J Biomed Nanotechnol 2021; 17:822-837. [PMID: 34082869 DOI: 10.1166/jbn.2021.3066] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Tumour-associated macrophages (TAMs) are thought to contribute to oral squamous cell carcinoma (OSCC) initiation and progression. However, the underlying mechanism through which TAMs foster OSCC progression is still unclear. This study intended to determine whether there are exclusively exosomal miRNAs-derived macrophages that are functionally necessary for OSCC progression. The phenotype of TAM recruitment in OSCC tissue samples was assessed, subsequently identifying the influence of M2 macrophages and exosomes derived from M2 macrophages on OSCC proliferation and tumorigenesis in vitro and in vivo. CD68 and CD163, the specific markers of M2 type macrophages, were upregulated in TAMs presented in intra-cancer tissues. M2 macrophages and M2 macrophage-derived exosomes (M2 exos) both can promote OSCC growth and tumorigenicity. An exosomal RNA-seq analysis was conducted to predict regulatory exosomal miRNAs related to OSCC growth, which determined miR-31-5p and LATS2 for subsequent experiments. Mechanistically, miR-31-5p was delivered to recipient OSCC cells through M2 exos and complementary pairing with the large tumor suppressor 2 (LATS2) coding sequence, thus suppressing the expression of LATS2 and inactivation the Hippo signaling pathway to support OSCC growth. Collectively, our findings demonstrate that M2 macrophage-derived exosomal miR- 31-5p can make tumor suppressor LATS2 gene inhibited and facilitate the progression of OSCC via inhibiting the Hippo signaling pathway, which possibly provides new targets for the molecular therapy of OSCC.
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Affiliation(s)
- Yi Yuan
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, Jiangsu, PR China
| | - Zeyu Wang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, Jiangsu, PR China
| | - Mengqi Chen
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, Jiangsu, PR China
| | - Yang Jing
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, Jiangsu, PR China
| | - Wei Shu
- Department of Stomatology, Jiangsu Provincial Hospital of Traditional Chinese Medicine, Nanjing 210029, Jiangsu, PR China
| | - Zhuoying Xie
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, Jiangsu, PR China
| | - Zhiyang Li
- Department of Clinical Laboratory, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008
| | - Juanyong Xu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, Jiangsu, PR China
| | - Feng He
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, Jiangsu, PR China
| | - Pengfei Jiao
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, Jiangsu, PR China
| | - Jiaqing Wang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, Jiangsu, PR China
| | - Jiamin Xu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, Jiangsu, PR China
| | - Yan Xia
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, Jiangsu, PR China
| | - Siyu Liu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, Jiangsu, PR China
| | - Hongming Du
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, Jiangsu, PR China
| | - Hongwei Li
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, Jiangsu, PR China
| | - Lu Dai
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, Jiangsu, PR China
| | - Youjin Dai
- Key Laboratory of Model Animal Research, Animal Core Facility of Nanjing Medical University, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China
| | - Yaqin Zhang
- Key Laboratory of Human Functional Genomics of Jiangsu Province, Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China
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12
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Vasilaki D, Bakopoulou A, Tsouknidas A, Johnstone E, Michalakis K. Biophysical interactions between components of the tumor microenvironment promote metastasis. Biophys Rev 2021; 13:339-357. [PMID: 34168685 PMCID: PMC8214652 DOI: 10.1007/s12551-021-00811-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Accepted: 05/03/2021] [Indexed: 02/07/2023] Open
Abstract
During metastasis, tumor cells need to adapt to their dynamic microenvironment and modify their mechanical properties in response to both chemical and mechanical stimulation. Physical interactions occur between cancer cells and the surrounding matrix including cell movements and cell shape alterations through the process of mechanotransduction. The latter describes the translation of external mechanical cues into intracellular biochemical signaling. Reorganization of both the cytoskeleton and the extracellular matrix (ECM) plays a critical role in these spreading steps. Migrating tumor cells show increased motility in order to cross the tumor microenvironment, migrate through ECM and reach the bloodstream to the metastatic site. There are specific factors affecting these processes, as well as the survival of circulating tumor cells (CTC) in the blood flow until they finally invade the secondary tissue to form metastasis. This review aims to study the mechanisms of metastasis from a biomechanical perspective and investigate cell migration, with a focus on the alterations in the cytoskeleton through this journey and the effect of biologic fluids on metastasis. Understanding of the biophysical mechanisms that promote tumor metastasis may contribute successful therapeutic approaches in the fight against cancer.
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Affiliation(s)
- Dimitra Vasilaki
- Department of Prosthodontics, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
| | - Athina Bakopoulou
- Department of Prosthodontics, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
| | - Alexandros Tsouknidas
- Laboratory for Biomaterials and Computational Mechanics, Department of Mechanical Engineering, University of Western Macedonia, Kozani, Greece
| | | | - Konstantinos Michalakis
- Department of Prosthodontics, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
- Division of Graduate Prosthodontics, Tufts University School of Dental Medicine, Boston, MA USA
- University of Oxford, Oxford, UK
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13
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Fabrication of Adhesive Substrate for Incorporating Hydrogels to Investigate the Influence of Stiffness on Cancer Cell Behavior. Methods Mol Biol 2021; 2174:277-297. [PMID: 32813257 DOI: 10.1007/978-1-0716-0759-6_18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Stiffness control of cell culture platforms provides researchers in cell biology with the ability to study different experimental models in conditions of mimicking physiological or pathological microenvironments. Nevertheless, the signal transduction pathways and drug sensibility of cancer cells have been poorly characterized widely using biomimetic platforms because the limited experience of cancer cell biology groups about handling substrates with specific mechanical properties. The protein cross-linking and stiffening control are crucial checkpoints that could strongly affect cell adhesion and spreading, misrepresenting the data acquired, and also generating inaccurate cellular models. Here, we introduce a simple method to adhere to polyacrylamide (PAA) hydrogels on glass coverslips without any special treatment for mechanics studies in cancer cell biology. By using a commercial photosensitive glue, Loctite 3525, it is possible to polymerize PAA hydrogels directly on glass surfaces. Furthermore, we describe a cross-linking reaction method to attach proteins to PAA as an alternative method to Sulfo-SANPAH cross-linking, which is sometimes difficult to implement and reproduce. In this chapter, we describe a reliable procedure to fabricate ECM protein-cross-linked PAA hydrogels for mechanotransduction studies on cancer cells.
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14
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Zhao F, Feng G, Zhu J, Su Z, Guo R, Liu J, Zhang H, Zhai Y. 3-Methyladenine-enhanced susceptibility to sorafenib in hepatocellular carcinoma cells by inhibiting autophagy. Anticancer Drugs 2021; 32:386-393. [PMID: 33395067 PMCID: PMC7952045 DOI: 10.1097/cad.0000000000001032] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 12/11/2020] [Indexed: 12/25/2022]
Abstract
As an effective targeted therapy for advanced hepatocellular carcinoma (HCC), sorafenib resistance has been frequently reported in recent years, with the activation of autophagy by cancer cells under drug stress being one of the crucial reasons. Sorafenib treatment could enhance autophagy in HCC cells and autophagy is also considered as an important mechanisms of drug resistance. Therefore, the inhibition of autophagy is a potential way to improve the sensitivity and eliminate drug resistance to restore their efficacy. To determine whether autophagy is involved in sorafenib resistance and investigate its role in the regulation of HepG2 cells' (an HCC cell line) chemosensitivity to sorafenib, we simultaneously treated HepG2 with sorafenib and 3-Methyladenine (3-MA) (a common autophagy inhibitor). First, by performing cell counting kit 8 cell viability assay, Hoechst 33342 apoptosis staining, and Annexin V-fluorescein isothiocyanate/propidium iodide apoptosis kit detection, we found that both sorafenib and 3-MA effectively inhibitted the proliferative activity of HepG2 cells and induced their apoptosis to a certain extent. This effect was significantly enhanced after these two drugs were combined, which was also confirmed by the increased expression of apoptosis-related proteins. Subsequently, by using AAV-GFP-LC3 transfection methods and transmission electron microscopy, we found that both the number and activity of autophagosomes in HepG2 cells in sorafenib and 3-MA group were significantly reduced, suggesting that autophagy activity was inhibited, and this result was consistent with the expression results of autophagy-related proteins. Therefore, we conclude that 3-MA may attenuate the acquired drug resistance of sorafenib by counteracting its induction of autophagy activity, thus enhancing its sensitivity to advanced HCC therapy.
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Affiliation(s)
- Fangfang Zhao
- Department of Infectious Disease, Fujian Medical University Affiliated First Quanzhou Hospital, Quanzhou, Fujian
- Department of Infectious Disease, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Guohe Feng
- Department of Infectious Disease, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Junyao Zhu
- Department of Infectious Disease, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Zhijun Su
- Department of Infectious Disease, Fujian Medical University Affiliated First Quanzhou Hospital, Quanzhou, Fujian
| | - Ruyi Guo
- Department of Infectious Disease, Fujian Medical University Affiliated First Quanzhou Hospital, Quanzhou, Fujian
| | - Jiangfu Liu
- Department of Infectious Disease, Fujian Medical University Affiliated First Quanzhou Hospital, Quanzhou, Fujian
| | - Huatang Zhang
- Department of Infectious Disease, Fujian Medical University Affiliated First Quanzhou Hospital, Quanzhou, Fujian
| | - Yongzhen Zhai
- Department of Infectious Disease, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
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15
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Golabek A, Kaczmarek M, Dondajewska E, Sakrajda K, Mackiewicz A, Dams-Kozlowska H. Application of a three-dimensional (3D) breast cancer model to study macrophage polarization. Exp Ther Med 2021; 21:482. [PMID: 33790991 PMCID: PMC8005691 DOI: 10.3892/etm.2021.9913] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Accepted: 02/04/2021] [Indexed: 12/15/2022] Open
Abstract
Knowledge of the tumor microenvironment is crucial for developing an effective strategy to treat cancer. Recently, anticancer therapies targeting macrophages have been intensively investigated. Increased understanding of the importance of the tumor microenvironment has led to the development of three-dimensional (3D) in vitro tumor models. However, established techniques for studying tumor-associated macrophages in vitro are limited. We have previously characterized a 3D breast cancer model consisting of breast cancer cells and fibroblasts cocultured on a silk scaffold. In the present study, the influence of this model on macrophage polarization was investigated. The expression of macrophage markers was studied using reverse transcription-quantitative PCR and flow cytometry. The activity of nitric oxide synthase and arginase in macrophages was also measured. The presented model appeared to induce the polarization of macrophages towards an M2 phenotype. In this 3D tumor model, the in vivo behavior of macrophages could be reproduced. This model may be beneficial for the study of tumor biology and for screening drugs.
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Affiliation(s)
- Agata Golabek
- Department of Diagnostics and Cancer Immunology, Greater Poland Cancer Centre, 61-866 Poznan, Poland
| | - Mariusz Kaczmarek
- Department of Diagnostics and Cancer Immunology, Greater Poland Cancer Centre, 61-866 Poznan, Poland.,Department of Immunology, Poznan University of Medical Sciences, 60-806 Poznan, Poland
| | - Ewelina Dondajewska
- Department of Cancer Immunology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Kosma Sakrajda
- Department of Diagnostics and Cancer Immunology, Greater Poland Cancer Centre, 61-866 Poznan, Poland
| | - Andrzej Mackiewicz
- Department of Diagnostics and Cancer Immunology, Greater Poland Cancer Centre, 61-866 Poznan, Poland.,Department of Cancer Immunology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Hanna Dams-Kozlowska
- Department of Diagnostics and Cancer Immunology, Greater Poland Cancer Centre, 61-866 Poznan, Poland.,Department of Cancer Immunology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
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16
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Rao V, Arakeri G, Subash A, Bagadia RK, Thakur S, Kudpaje AS, Nayar R, Patil S, Paiva Fonseca F, Gomez RS, Brennan PA. Circulating tumour cells in head and neck cancers: Biological insights. J Oral Pathol Med 2020; 49:842-848. [PMID: 32526815 DOI: 10.1111/jop.13075] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Tumour metastasis is one of the leading cause of cancer-related mortality. Circulating tumour cells (CTCs) have been implicated in loco-regional and distant metastasis and its role is being extensively studied in various malignancies, including those from the head and neck region. The main challenge in understanding their significance lies in the rarity of these cells in the blood. However, newer technologies have attempted to overcome these pitfalls. This review explores the evolution of CTC research and other related areas, including its biological significance, sustainability within the circulating vascular environment and possible clinical implications.
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Affiliation(s)
- Vishal Rao
- Department of Head and Neck Surgical Oncology & Robotic Surgery, HCG Cancer Hospital, Bengaluru, India
| | - Gururaj Arakeri
- Department of Head and Neck Surgical Oncology & Robotic Surgery, HCG Cancer Hospital, Bengaluru, India.,Department of Oral and maxillofacial Surgery, Navodaya Dental College and Hospital, Raichur, India
| | - Anand Subash
- Department of Head and Neck Surgical Oncology & Robotic Surgery, HCG Cancer Hospital, Bengaluru, India
| | - Ritvi K Bagadia
- Department of Head and Neck Surgical Oncology & Robotic Surgery, HCG Cancer Hospital, Bengaluru, India
| | - Shalini Thakur
- Department of Head and Neck Surgical Oncology & Robotic Surgery, HCG Cancer Hospital, Bengaluru, India
| | - Akshay S Kudpaje
- Department of Head and Neck Surgical Oncology & Robotic Surgery, HCG Cancer Hospital, Bengaluru, India
| | - Ravi Nayar
- Department of Head and Neck Surgical Oncology & Robotic Surgery, HCG Cancer Hospital, Bengaluru, India
| | - Shekar Patil
- Department of Medical Oncology, HCG Cancer Hospital, Bengaluru, India
| | - Felipe Paiva Fonseca
- Department of Oral Surgery and Pathology, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Ricardo S Gomez
- Department of Oral Surgery and Pathology, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Peter A Brennan
- Department of Oral & Maxillofacial Surgery, Queen Alexandra Hospital, Portsmouth, UK
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