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Xiang Q, Dong S, Li XH. A Review of Phosphocreatine 3 Kinase δ Subtype (PI3Kδ) and Its Inhibitors in Malignancy. Med Sci Monit 2021; 27:e932772. [PMID: 34625526 PMCID: PMC8513496 DOI: 10.12659/msm.932772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Most cancer deaths are caused by metastasis. The phosphocreatine 3-kinase (PI3K) family includes the I–III classes, with class I divided into 4 subtypes (α, β, γ, δ); and PI3K signaling participates in the regulatory processes of cell proliferation, differentiation, apoptosis, and glucose transport. Moreover, PI3Ks are modulators of cellular membrane lipids involved in signaling and trafficking events. The PI3Kdelta isoform (PI3Kδ), which is not only specifically expressed in hematopoietic cells, but also in different tumor cell lines, is expressed extensively. The increase in PI3Kδ activity is often associated with a variety of cancers. Currently, the strategy of tumor therapy based on PI3Kδ and its related signaling pathway is developing. Besides its established role in controlling functions in autoimmunity and inflammation, the role of PI3Kδ in tumor and metastasis is not clearly elucidated, with the effects of inhibiting PI3Kδ in several types of tumors also remaining unexplored. In addition, the specific inhibitor of PI3Kδ in tumor progression and metastasis and its underlying mechanism need to be further studied. The purpose of this review is to rationalize the existing functions and mechanisms of PI3Kδ in tumor metastasis and the relationship with hematopoietic cells in cancers as well cross-talking with miRNA, which provides a new theoretical basis and potential therapeutic target for the drug therapy of tumor metastasis.
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Affiliation(s)
- Qiong Xiang
- Institute of Medicine, Medical Research Center, Jishou University, Jishou, Hunan, China (mainland)
| | - Shuai Dong
- Institute of Medicine, Medical Research Center, Jishou University, Jishou, Hunan, China (mainland)
| | - Xian-Hui Li
- Institute of Pharmaceutical Sciences, Jishou University, Jishou, Hunan, China (mainland)
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2
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Li Y, Zhong X, Zhang Y, Lu X. Mesenchymal Stem Cells in Gastric Cancer: Vicious but Hopeful. Front Oncol 2021; 11:617677. [PMID: 34046337 PMCID: PMC8144497 DOI: 10.3389/fonc.2021.617677] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 04/22/2021] [Indexed: 12/24/2022] Open
Abstract
Tumor progression depends on the collaborative interactions between tumor cells and the surrounding stroma. First-line therapies direct against cancer cells may not reach a satisfactory outcome, such as gastric cancer (GC), with high risk of recurrence and metastasis. Therefore, novel treatments and drugs target the effects of stroma components are to be promising alternatives. Mesenchymal stem cells (MSC) represent the decisive components of tumor stroma that are found to strongly affect GC development and progression. MSC from bone marrow or adjacent normal tissues express homing profiles in timely response to GC-related inflammation signals and anchor into tumor bulks. Then the newly recruited “naïve” MSC would achieve phenotype and functional alternations and adopt the greater tumor-supporting potential under the reprogramming of GC cells. Conversely, both new-comers and tumor-resident MSC are able to modulate the tumor biology via aberrant activation of oncogenic signals, metabolic reprogramming and epithelial-to-mesenchymal transition. And they also engage in remodeling the stroma better suited for tumor progression through immunosuppression, pro-angiogenesis, as well as extracellular matrix reshaping. On the account of tumor tropism, MSC could be engineered to assist earlier diagnosis of GC and deliver tumor-killing agents precisely to the tumor microenvironment. Meanwhile, intercepting and abrogating vicious signals derived from MSC are of certain significance for the combat of GC. In this review, we mainly summarize current advances concerning the reciprocal metabolic interactions between MSC and GC and their underlying therapeutic implications in the future.
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Affiliation(s)
- Yuyi Li
- Department of Gastroenterology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xingwei Zhong
- Department of Gastroenterology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yunzhu Zhang
- Department of Gastroenterology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xinliang Lu
- Department of Gastroenterology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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3
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Daunys S, Janonienė A, Januškevičienė I, Paškevičiūtė M, Petrikaitė V. 3D Tumor Spheroid Models for In Vitro Therapeutic Screening of Nanoparticles. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1295:243-270. [PMID: 33543463 DOI: 10.1007/978-3-030-58174-9_11] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The anticancer activity of compounds and nanoparticles is most often determined in the cell monolayer. However, three-dimensional (3D) systems, such as tumor spheroids, are more representing the natural tumor microenvironment. They have been shown to have higher invasiveness and resistance to cytotoxic agents and radiotherapy compared to cells growing in 2D monolayer. Furthermore, to improve the prediction of clinical efficacy of drugs, in the past decades, even more sophisticated systems, such as multicellular 3D cultures, closely representing natural tumor microenvironment have been developed. Those cultures are formed from either cell lines or patient-derived tumor cells. Such models are very attractive and could improve the selection of tested materials for clinical trials avoiding unnecessary expensive tests in vivo. The microenvironment in tumor spheroids is different, and those differences or the interaction between several cell populations may contribute to different tumor response to the treatment. Also, different types of nanoparticles may have different behavior in 3D models, depending on their nature, physicochemical properties, the presence of targeting ligands on the surface, etc. Therefore, it is very important to understand in which cases which type of tumor spheroid is more suitable for testing specific types of nanoparticles, which conditions should be used, and which analytical method should be applied.
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Affiliation(s)
- Simonas Daunys
- Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Agnė Janonienė
- Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Indrė Januškevičienė
- Laboratory of Drug Targets Histopathology, Institute of Cardiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Miglė Paškevičiūtė
- Laboratory of Drug Targets Histopathology, Institute of Cardiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Vilma Petrikaitė
- Life Sciences Center, Vilnius University, Vilnius, Lithuania.
- Laboratory of Drug Targets Histopathology, Institute of Cardiology, Lithuanian University of Health Sciences, Kaunas, Lithuania.
- Institute of Physiology and Pharmacology, Academy of Medicine, Lithuanian University of Health Sciences, Kaunas, Lithuania.
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4
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MSC-induced lncRNA HCP5 drove fatty acid oxidation through miR-3619-5p/AMPK/PGC1α/CEBPB axis to promote stemness and chemo-resistance of gastric cancer. Cell Death Dis 2020; 11:233. [PMID: 32300102 PMCID: PMC7162922 DOI: 10.1038/s41419-020-2426-z] [Citation(s) in RCA: 130] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 03/21/2020] [Accepted: 03/23/2020] [Indexed: 12/11/2022]
Abstract
Chemotherapy is the first-tier treatment regime for gastric cancer (GC) patients at advance stages. Mesenchymal stem cell (MSC) cam affect drug-resistance of GC cells in tumor microenvironment, but the detailed mechanism remains poorly understood. Present study aimed to investigate the regulation of MSC-induced long non-coding RNA (lncRNA) in GC. Dysregulated lncRNAs in GC were analyzed based on GEO data. Stemness and drug-resistance of GC cells were detected by sphere formation, colony formation, CCK-8, and flow cytometry analyses. MicroRNA (miRNA)-related pathways were analyzed by online KEGG analysis tool DAVID6.8. Molecular interactions were determined by luciferase reporter assay, pulldown, RNA immunoprecipitation (RIP), chromatin immunoprecipitation (ChIP), and co-immunoprecipitation (CoIP). Results revealed that MSC co-culture improved stemness and drug-resistance of GC cells. LncRNA histocompatibility leukocyte antigen complex P5 (HCP5) was induced in GC cells by MSC co-culture, contributing to stemness and drug-resistance. Mechanistically, HCP5 sequestered miR-3619-5p and upregulated PPARG coactivator 1 alpha (PPARGC1A), increasing transcription complex Peroxisome proliferator activated receptor (PPAR) coactivator-1α (PGC1α)/CEBPB and transcriptionally inducing carnitine palmitoyltransferase 1 (CPT1), which prompted the fatty acid oxidation (FAO) in GC cells. In conclusion, MSC-induced lncRNA HCP5 drove FAO through miR-3619-5p/AMPK/PGC1α/CEBPB axis to promote stemness and chemo-resistance of GC, indicating that targeting HCP5 was a novel approach to enhancing the efficacy of chemotherapy in GC.
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5
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Plava J, Cihova M, Burikova M, Matuskova M, Kucerova L, Miklikova S. Recent advances in understanding tumor stroma-mediated chemoresistance in breast cancer. Mol Cancer 2019; 18:67. [PMID: 30927930 PMCID: PMC6441200 DOI: 10.1186/s12943-019-0960-z] [Citation(s) in RCA: 103] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 02/20/2019] [Indexed: 02/07/2023] Open
Abstract
Although solid tumors comprise malignant cells, they also contain many different non-malignant cell types in their micro-environment. The cellular components of the tumor stroma consist of immune and endothelial cells combined with a heterogeneous population of stromal cells which include cancer-associated fibroblasts. The bi-directional interactions between tumor and stromal cells therefore substantially affect tumor cell biology.Herein, we discuss current available information on these interactions in breast cancer chemo-resistance. It is acknowledged that stromal cells extrinsically alter tumor cell drug responses with profound consequences for therapy efficiency, and it is therefore essential to understand the molecular mechanisms which contribute to these substantial alterations because they provide potential targets for improved cancer therapy. Although breast cancer patient survival has improved over the last decades, chemo-resistance still remains a significant obstacle to successful treatment.Appreciating the important experimental evidence of mesenchymal stromal cells and cancer-associated fibroblast involvement in breast cancer clinical practice can therefore have important therapeutic implications.
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Affiliation(s)
- Jana Plava
- Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05, Bratislava, Slovakia
| | - Marina Cihova
- Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05, Bratislava, Slovakia
| | - Monika Burikova
- Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05, Bratislava, Slovakia
| | - Miroslava Matuskova
- Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05, Bratislava, Slovakia
| | - Lucia Kucerova
- Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05, Bratislava, Slovakia
| | - Svetlana Miklikova
- Cancer Research Institute, Biomedical Research Center, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05, Bratislava, Slovakia.
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6
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Ben Baruch B, Blacher E, Mantsur E, Schwartz H, Vaknine H, Erez N, Stein R. Stromal CD38 regulates outgrowth of primary melanoma and generation of spontaneous metastasis. Oncotarget 2018; 9:31797-31811. [PMID: 30159123 PMCID: PMC6112753 DOI: 10.18632/oncotarget.25737] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Accepted: 06/19/2018] [Indexed: 12/13/2022] Open
Abstract
The outgrowth of primary melanoma, the deadliest skin cancer, and generation of metastasis is supported by the tumor microenvironment (TME) which includes non-cancerous cells. Since the TME plays an important role in melanoma pathogenesis, its targeting is a promising therapeutic approach. Thus, it is important to identify proteins in the melanoma TME that may serve as therapeutic targets. Here we show that the nicotinamide adenine dinucleotide glycohydrolase CD38 is a suitable target for this purpose. Loss of CD38 in the TME as well as inhibition of its enzymatic activity restrained outgrowth of primary melanoma generated by two transplantable models of melanoma, B16F10 and Ret-mCherry-sorted (RMS) melanoma cells. Pathological analysis indicated that loss of CD38 increased cell death and reduced the amount of cancer-associated fibroblasts (CAFs) and blood vessels. Importantly, in addition to inhibiting outgrowth of primary melanoma tumors, loss of CD38 also inhibited spontaneous occurrence of RMS pulmonary and brain metastasis. The underlying mechanism may involve, at least in the brain, inhibition of metastasis expansion, since loss of CD38 inhibited the outgrowth of B16F10 and RMS brain tumors that were generated by direct intracranial implantation. Collectively, our results suggest that targeting CD38 in the melanoma TME provides a new therapeutic approach for melanoma treatment.
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Affiliation(s)
- Bar Ben Baruch
- Department of Neurobiology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Eran Blacher
- Department of Neurobiology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Einav Mantsur
- Department of Neurobiology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Hila Schwartz
- Department of Pathology, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Hananya Vaknine
- Department of Pathology, Wolfson Medical Center and Sackler Faculty of Medicine, Tel Aviv University, Holon, Israel
| | - Neta Erez
- Department of Pathology, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Reuven Stein
- Department of Neurobiology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
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7
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Kucerova L, Durinikova E, Toro L, Cihova M, Miklikova S, Poturnajova M, Kozovska Z, Matuskova M. Targeted antitumor therapy mediated by prodrug-activating mesenchymal stromal cells. Cancer Lett 2017; 408:1-9. [PMID: 28838843 DOI: 10.1016/j.canlet.2017.08.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 08/09/2017] [Accepted: 08/11/2017] [Indexed: 12/14/2022]
Abstract
Mesenchymal stromal cells (MSCs) were introduced as tumor-targeted vehicles suitable for delivery of the gene-directed enzyme/prodrug therapy more than 10 years ago. Over these years key properties of tumor cells and MSCs, which are crucial for the treatment efficiency, were examined; and there are some critical issues to be considered for the maximum antitumor effect. Moreover, engineered MSCs expressing enzymes capable of activating non-toxic prodrugs achieved long-term curative effect even in metastatic and hard-to-treat tumor types in pre-clinical scenario(s). These gene-modified MSCs are termed prodrug-activating MSCs throughout the text and represent promising approach for further clinical application. This review summarizes major determinants to be considered for the application of the prodrug-activating MSCs in antitumor therapy in order to maximize therapeutic efficiency.
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Affiliation(s)
- Lucia Kucerova
- Laboratory of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia.
| | - Erika Durinikova
- Laboratory of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia
| | - Lenka Toro
- Laboratory of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia
| | - Marina Cihova
- Laboratory of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia
| | - Svetlana Miklikova
- Laboratory of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia
| | - Martina Poturnajova
- Laboratory of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia
| | - Zuzana Kozovska
- Laboratory of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia
| | - Miroslava Matuskova
- Laboratory of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia
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8
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Mesenchymal stromal/stem cell separation methods: concise review. Cell Tissue Bank 2017; 18:443-460. [PMID: 28821996 DOI: 10.1007/s10561-017-9658-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 08/16/2017] [Indexed: 12/21/2022]
Abstract
Mesenchymal stem (stromal) cells (MSCs) possess unique biological characteristics such as plasticity, long term self-renewal, secretion of various bioactive molecules and ability of active migration to the diseased tissues that make them unique tool for regenerative medicine, nowadays. Until now MSCs were successfully derived from many tissue sources including bone marrow, umbilical cord, adipose tissue, dental pulp etc. The crucial step prior to their in vitro expansion, banking or potential clinical application is their separation. This review article aims to briefly describe the main MSCs separations techniques currently available, their basic principles, as well as their advantages and limits. In addition the attention is paid to the markers presently applicable for immunoaffinity-based separation of MSCs from different tissues and organs.
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9
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Wang M, Wu C, Guo Y, Cao X, Zheng W, Fan GK. The primary growth of laryngeal squamous cell carcinoma cells in vitro is effectively supported by paired cancer-associated fibroblasts alone. Tumour Biol 2017; 39:1010428317705512. [PMID: 28475003 DOI: 10.1177/1010428317705512] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Most primarily cultured laryngeal squamous cell carcinoma cells are difficult to propagate in vitro and have a low survival rate. However, in our previous work to establish a laryngeal squamous cell carcinoma cell line, we found that laryngeal cancer-associated fibroblasts appeared to strongly inhibit the apoptosis of primarily cultured laryngeal squamous cell carcinoma cells in vitro. In this study, we investigated whether paired laryngeal cancer-associated fibroblasts alone can effectively support the growth of primarily cultured laryngeal squamous cell carcinoma cells in vitro. In all, 29 laryngeal squamous cell carcinoma specimens were collected and primarily cultured. The laryngeal squamous cell carcinoma cells were separated from cancer-associated fibroblasts by differential trypsinization and continuously subcultured. Morphological changes of the cultured laryngeal squamous cell carcinoma cells were observed. Immunocytofluorescence was used to authenticate the identity of the cancer-associated fibroblasts and laryngeal squamous cell carcinoma cells. Flow cytometry was used to quantify the proportion of apoptotic cells. Western blot was used to detect the protein levels of caspase-3. Enzyme-linked immunosorbent assay was used to detect the levels of chemokine (C-X-C motif) ligand 12, chemokine (C-X-C motif) ligand 7, hepatocyte growth factor, and fibroblast growth factor 1 in the supernatants of the laryngeal squamous cell carcinoma and control cells. AMD3100 (a chemokine (C-X-C motif) receptor 4 antagonist) and an anti-chemokine (C-X-C motif) ligand 7 antibody were used to block the tumor-supporting capacity of cancer-associated fibroblasts. Significant apoptotic changes were detected in the morphology of laryngeal squamous cell carcinoma cells detached from cancer-associated fibroblasts. The percentage of apoptotic laryngeal squamous cell carcinoma cells and the protein levels of caspase-3 increased gradually in subsequent subcultures. In contrast, no significant differences in the proliferation capacity of laryngeal squamous cell carcinoma cells cocultured with cancer-associated fibroblasts were detected during subculturing. High level of chemokine (C-X-C motif) ligand 12 was detected in the culture supernatant of cancer-associated fibroblasts. The tumor-supporting effect of cancer-associated fibroblasts was significantly inhibited by AMD3100. Our findings demonstrate that the paired laryngeal cancer-associated fibroblasts alone are sufficient to support the primary growth of laryngeal squamous cell carcinoma cells in vitro and that the chemokine (C-X-C motif) ligand 12/chemokine (C-X-C motif) receptor 4 axis is one of the major contributors.
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Affiliation(s)
- Mei Wang
- 1 Department of Otolaryngology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,2 Department of Otolaryngology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chunping Wu
- 3 Department of Otolaryngology-Head and Neck Surgery, Eye, Ear, Nose and Throat Hospital, Fudan University, Shanghai, China
| | - Yu Guo
- 1 Department of Otolaryngology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiaojuan Cao
- 4 Department of Otolaryngology, Second Affiliated Hospital, Jiaxing University College of Medicine, Jiaxing, China
| | - Wenwei Zheng
- 4 Department of Otolaryngology, Second Affiliated Hospital, Jiaxing University College of Medicine, Jiaxing, China
| | - Guo-Kang Fan
- 2 Department of Otolaryngology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Marfy‐Smith SJ, Clarkin CE. Are Mesenchymal Stem Cells So Bloody Great After All? Stem Cells Transl Med 2016; 6:3-6. [PMID: 28170195 PMCID: PMC5442748 DOI: 10.5966/sctm.2016-0026] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Accepted: 07/15/2016] [Indexed: 12/26/2022] Open
Abstract
This Perspective discusses some activities of mesenchymal stem cells (MSCs) in the context of angiogenesis, focusing on contrasting effects that could call into question the extent to which MSCs can be used clinically in the future. We report on the antiangiogenic/antiproliferative effects of specific MSC populations (including bone marrow MSCs), their paracrine activity, tissue heterogeneity, and endothelial cell interactions. Also discussed are what could lead to contrasting effects of the influence of MSCs in regulating angiogenesis, pointing to some negative effects of these cells. In conclusion, this article highlights important aspects of MSC behavior within the perspective of translational medicine applications. Stem Cells Translational Medicine2017;6:3–6
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Affiliation(s)
| | - Claire E. Clarkin
- Biological Sciences, University of Southampton, Southampton, United Kingdom
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11
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Toro L, Bohovic R, Matuskova M, Smolkova B, Kucerova L. Metastatic Ovarian Cancer Can Be Efficiently Treated by Genetically Modified Mesenchymal Stromal Cells. Stem Cells Dev 2016; 25:1640-1651. [PMID: 27539058 DOI: 10.1089/scd.2016.0064] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Due to late diagnosis, often recurrence, formation of metastases and resistance to commonly used chemotherapeutics human ovarian carcinoma represents a serious disease with high mortality. Adipose tissue-derived mesenchymal stromal cells (AT-MSC) can serve as vehicles for therapeutic genes and we engineered AT-MSC to express either Herpes simplex virus thymidine kinase (HSVtk-MSC), which phosphorylates ganciclovir (GCV) to its toxic metabolites or yeast fused cytosine deaminase::uracil phosphoribosyltransferase (CD::UPRT-MSC), which converts 5-fluorocytosine (5-FC) to highly toxic 5-fluorouracil (5-FU). Here, we reported different responses of cytotoxicity mediated by CD::UPRT-MSC/5-FC treatment on human ovarian carcinoma cell lines-SKOV-3 and A2780 used in adherent or three-dimensional (3D) cell culture and we proved high potential of 3D model to predict results in our in vivo experiments. Both tumor cell lines showed similarly high chemosensitivity to the used treatment in adherent culture, but 3D model revealed severe discrepancy-only 36% of SKOV-3 cells but even 90% of A2780 cells were eliminated. This result served as a prognostic marker-we were able to achieve significantly decreased tumor volumes of subcutaneous xenografts of A2780 cells in nude mice and we prolonged tumor-free survival in 33% of animals bearing highly metastatic ovarian carcinoma after CD::UPRT-MSC/5-FC treatment.
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Affiliation(s)
- Lenka Toro
- 1 Laboratory of Molecular Oncology, Cancer Research Institute , Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Roman Bohovic
- 1 Laboratory of Molecular Oncology, Cancer Research Institute , Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Miroslava Matuskova
- 1 Laboratory of Molecular Oncology, Cancer Research Institute , Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Bozena Smolkova
- 2 Department of Genetics, Cancer Research Institute , Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Lucia Kucerova
- 1 Laboratory of Molecular Oncology, Cancer Research Institute , Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovakia
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12
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Bellagamba BC, Abreu BRRD, Grivicich I, Markarian CF, Chem E, Camassola M, Nardi NB, Dihl RR. Human mesenchymal stem cells are resistant to cytotoxic and genotoxic effects of cisplatin in vitro. Genet Mol Biol 2016; 39:129-34. [PMID: 27007906 PMCID: PMC4807379 DOI: 10.1590/1678-4685-gmb-2015-0057] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2015] [Accepted: 08/11/2015] [Indexed: 11/22/2022] Open
Abstract
Mesenchymal stem cells (MSCs) are known for their important properties involving multilineage differentiation potential., trophic factor secretion and localization along various organs and tissues. On the dark side, MSCs play a distinguished role in tumor microenvironments by differentiating into tumor-associated fibroblasts or supporting tumor growth via distinct mechanisms. Cisplatin (CIS) is a drug widely applied in the treatment of a large number of cancers and is known for its cytotoxic and genotoxic effects, both in vitro and in vivo. Here we assessed the effects of CIS on MSCs and the ovarian cancer cell line OVCAR-3, by MTT and comet assays. Our results demonstrated the resistance of MSCs to cell death and DNA damage induction by CIS, which was not observed when OVCAR-3 cells were exposed to this drug.
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Affiliation(s)
| | | | | | | | - Eduardo Chem
- Complexo Hospitalar Santa Casa de Porto Alegre, Porto Alegre, RS, Brazil
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13
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Skolekova S, Matuskova M, Bohac M, Toro L, Durinikova E, Tyciakova S, Demkova L, Gursky J, Kucerova L. Cisplatin-induced mesenchymal stromal cells-mediated mechanism contributing to decreased antitumor effect in breast cancer cells. Cell Commun Signal 2016; 14:4. [PMID: 26759169 PMCID: PMC4710002 DOI: 10.1186/s12964-016-0127-0] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Accepted: 01/06/2016] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Cells of the tumor microenvironment are recognized as important determinants of the tumor biology. The adjacent non-malignant cells can regulate drug responses of the cancer cells by secreted paracrine factors and direct interactions with tumor cells. RESULTS Human mesenchymal stromal cells (MSC) actively contribute to tumor microenvironment. Here we focused on their response to chemotherapy as during the treatment these cells become affected. We have shown that the secretory phenotype and behavior of mesenchymal stromal cells influenced by cisplatin differs from the naïve MSC. MSC were more resistant to the concentrations of cisplatin, which was cytotoxic for tumor cells. They did not undergo apoptosis, but a part of MSC population underwent senescence. However, MSC pretreatment with cisplatin led to changes in phosphorylation profiles of many kinases and also increased secretion of IL-6 and IL-8 cytokines. These changes in cytokine and phosphorylation profile of MSC led to increased chemoresistance and stemness of breast cancer cells. CONCLUSION Taken together here we suggest that the exposure of the chemoresistant cells in the tumor microenvironment leads to substantial alterations and might lead to promotion of acquired microenvironment-mediated chemoresistance and stemness.
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Affiliation(s)
- Svetlana Skolekova
- Laboratory of Molecular Oncology, Cancer Research Institute, Slovak Academy of Sciences, Vlarska 7, 833 91, Bratislava, Slovakia.
| | - Miroslava Matuskova
- Laboratory of Molecular Oncology, Cancer Research Institute, Slovak Academy of Sciences, Vlarska 7, 833 91, Bratislava, Slovakia.
| | - Martin Bohac
- Department of Plastic, Aesthetic and Reconstructive Surgery, University Hospital, Bratislava, Slovakia.
| | - Lenka Toro
- Laboratory of Molecular Oncology, Cancer Research Institute, Slovak Academy of Sciences, Vlarska 7, 833 91, Bratislava, Slovakia.
| | | | | | - Lucia Demkova
- Laboratory of Molecular Oncology, Cancer Research Institute, Slovak Academy of Sciences, Vlarska 7, 833 91, Bratislava, Slovakia.
| | - Jan Gursky
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 5, Olomouc, Czech Republic.
| | - Lucia Kucerova
- Laboratory of Molecular Oncology, Cancer Research Institute, Slovak Academy of Sciences, Vlarska 7, 833 91, Bratislava, Slovakia.
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Butler JR, Fohtung TM, Sandrasegaran K, Ceppa EP, House MG, Nakeeb A, Schmidt CM, Zyromski NJ. The natural history of pancreatic lipoma: Does it need observation. Pancreatology 2015; 16:95-8. [PMID: 26682506 DOI: 10.1016/j.pan.2015.11.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Revised: 11/06/2015] [Accepted: 11/17/2015] [Indexed: 12/11/2022]
Abstract
BACKGROUND Pancreatic lipomas (PL) are a rare, benign mesenchymal neoplasm. Some patients diagnosed with PL are followed radiographically or referred to a second provider, while others are not followed after incidental diagnosis. In this study we describe 74 cases of intrapancreatic lipomas from a single institution over a 12-year period to elucidate the radiologic and clinical natural history of pancreatic lipoma. METHODS In the period from January 2001 to December 2013, we selected patients over the age of 18 diagnosed with PL based on Ultrasound, CT, and MR imaging. Clinical data were coupled with review of the radiographic image. These patients were retrospectively followed to establish the significance of PL. RESULTS PL was identified in 0.012% of all patients undergoing cross-sectional imaging during the studied interval. Lipomas ranged in size at diagnosis from 0.1 cm to 4.8 cm. The majority of patients were asymptomatic at presentation. No patient required intervention or exhibited a change in lipoma diagnosis over a median follow up interval of 41.5 months (range 2-145). 47 patients underwent subsequent imaging with a median of two additional exams (range 2-113) over 31 months (range 1-18). 46/47 (98%) patients with subsequent images showed no discernible growth; 1/47 (2%) had a resolution of the lipoma. CONCLUSIONS Pancreatic lipomas are rare benign mesenchymal neoplasms that exhibit stable size and morphology. They are overwhelmingly asymptomatic. The natural history of pancreatic lipoma is benign. Short-term interval observation is prudent to prove stability and help differentiate from early liposarcoma. Extensive follow-up is not likely necessary for this benign lesion.
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Affiliation(s)
- James R Butler
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Tanyi M Fohtung
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Kumar Sandrasegaran
- Department of Radiology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Eugene P Ceppa
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Michael G House
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Attila Nakeeb
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
| | - C Max Schmidt
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Nicholas J Zyromski
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA.
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15
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Matuskova M, Kozovska Z, Toro L, Durinikova E, Tyciakova S, Cierna Z, Bohovic R, Kucerova L. Combined enzyme/prodrug treatment by genetically engineered AT-MSC exerts synergy and inhibits growth of MDA-MB-231 induced lung metastases. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2015; 34:33. [PMID: 25884597 PMCID: PMC4431639 DOI: 10.1186/s13046-015-0149-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Accepted: 03/18/2015] [Indexed: 01/14/2023]
Abstract
Background Metastatic spread of tumor cells remains a serious problem in cancer treatment. Gene-directed enzyme/prodrug therapy mediated by tumor-homing genetically engineered mesenchymal stromal cells (MSC) represents a promising therapeutic modality for elimination of disseminated cells. Efficacy of gene-directed enzyme/prodrug therapy can be improved by combination of individual systems. We aimed to define the combination effect of two systems of gene therapy mediated by MSC, and evaluate the ability of systemically administered genetically engineered mesenchymal stromal cells to inhibit the growth of experimental metastases derived from human breast adenocarcinoma cells MDA-MB-231/EGFP. Methods Human adipose tissue-derived mesenchymal stromal cells (AT-MSC) were retrovirally transduced with fusion yeast cytosine deaminase::uracil phosphoribosyltransferase (CD::UPRT) or with Herpes simplex virus thymidine kinase (HSVtk). Engineered MSC were cocultured with tumor cells in the presence of prodrugs 5-fluorocytosin (5-FC) and ganciclovir (GCV). Combination effect of these enzyme/prodrug approaches was calculated. SCID/bg mice bearing experimental lung metastases were treated with CD::UPRT-MSC, HSVtk-MSC or both in combination in the presence of respective prodrug(s). Treatment efficiency was evaluated by EGFP-positive cell detection by flow cytometry combined with real-time PCR quantification of human cells in mouse organs. Results were confirmed by histological and immunohistochemical examination. Results We demonstrated various extent of synergy depending on tested cell line and experimental setup. The strongest synergism was observed on breast cancer-derived cell line MDA-MB-231/EGFP. Systemic administration of CD::UPRT-MSC and HSVtk-MSC in combination with 5-FC and GCV inhibited growth of MDA-MB-231 induced lung metastases. Conclusions Combined gene-directed enzyme/prodrug therapy mediated by MSC exerted synergic cytotoxic effect and resulted in high therapeutic efficacy in vivo. Electronic supplementary material The online version of this article (doi:10.1186/s13046-015-0149-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Miroslava Matuskova
- Laboratory of Molecular Oncology, Cancer Research Institute of Slovak Academy of Sciences, Vlarska 7, Bratislava, 833 91, Slovakia.
| | - Zuzana Kozovska
- Laboratory of Molecular Oncology, Cancer Research Institute of Slovak Academy of Sciences, Vlarska 7, Bratislava, 833 91, Slovakia.
| | - Lenka Toro
- Laboratory of Molecular Oncology, Cancer Research Institute of Slovak Academy of Sciences, Vlarska 7, Bratislava, 833 91, Slovakia.
| | - Erika Durinikova
- Laboratory of Molecular Oncology, Cancer Research Institute of Slovak Academy of Sciences, Vlarska 7, Bratislava, 833 91, Slovakia.
| | - Silvia Tyciakova
- Laboratory of Molecular Oncology, Cancer Research Institute of Slovak Academy of Sciences, Vlarska 7, Bratislava, 833 91, Slovakia.
| | - Zuzana Cierna
- Institute of Pathological Anatomy, Faculty of Medicine, Comenius University, Sasinkova 4, Bratislava, 813 72, Slovakia.
| | - Roman Bohovic
- Laboratory of Molecular Oncology, Cancer Research Institute of Slovak Academy of Sciences, Vlarska 7, Bratislava, 833 91, Slovakia.
| | - Lucia Kucerova
- Laboratory of Molecular Oncology, Cancer Research Institute of Slovak Academy of Sciences, Vlarska 7, Bratislava, 833 91, Slovakia.
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16
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Wang XP, Zhuang ZX. Application of fluorescent proteins in tumor research. Shijie Huaren Xiaohua Zazhi 2015; 23:1272-1277. [DOI: 10.11569/wcjd.v23.i8.1272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Fluorescent proteins have been applied in multiple tumor research fields, including tumor cell growth, invasion, metastasis, angiogenesis, the interaction between tumor cells and host cells, and antitumor drugs. Fluorescent imaging has enabled what was formerly invisible to be seen clearly in vivo with fluorescent proteins. This article will make a brief review of the application of fluorescent proteins in tumor research.
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17
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Wang M, Wu CP, Pan JY, Zheng WW, Cao XJ, Fan GK. Cancer-associated fibroblasts in a human HEp-2 established laryngeal xenografted tumor are not derived from cancer cells through epithelial-mesenchymal transition, phenotypically activated but karyotypically normal. PLoS One 2015; 10:e0117405. [PMID: 25658113 PMCID: PMC4319834 DOI: 10.1371/journal.pone.0117405] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Accepted: 12/24/2014] [Indexed: 12/21/2022] Open
Abstract
Cancer-associated fibroblasts (CAFs) play a crucial role in cancer progression and even initiation. However, the origins of CAFs in various cancer types remain controversial, and one of the important hypothesized origins is through epithelial-mesenchymal transition (EMT) from cancer cells. In this study, we investigated whether the HEp-2 laryngeal cancer cells are able to generate CAFs via EMT during tumor formation, which is now still unknown. The laryngeal xenografted tumor model was established by inoculating the HEp-2 laryngeal cancer cell line in nude mice. Primary cultured CAFs from the tumor nodules and matched normal fibroblasts (NFs) from the adjacent connective tissues were subcultured, purified, and verified by immunofluorescence. Migration, invasion, and proliferation potentials were compared between the CAFs and NFs. A co-culture of CAFs with HEp-2 cells and a co-injection of CAFs with HEp-2 cells in nude mice were performed to examine the cancer-promoting potential of CAFs to further verify their identity. Karyotypic analyses of the CAFs, NFs, and HEp-2 cells were conducted. A co-culture of NFs with HEp-2 cells was also performed to examine the expression of activated markers of CAFs. A pathological examination confirmed that the laryngeal xenografted tumor model was successfully established, containing abundant CAFs. Immunocytochemical staining verified the purities and identities of the CAFs and NFs. Although the CAFs manifested higher migration, invasion, proliferation, and cancer-promoting capacities compared with the NFs, an analysis of chromosomes revealed that both the CAFs and NFs showed typical normal mouse karyotypes. In addition, the NFs co-cultured with HEp-2 cells did not show induced expressions of activated markers of CAFs. Our findings reveal that the CAFs in the HEp-2 established laryngeal xenografted tumor are not of laryngeal cancer origin but of mouse origin, indicating that the HEp-2 laryngeal cancer cells cannot generate their own CAFs via EMT in this model.
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Affiliation(s)
- Mei Wang
- Department of Otolaryngology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai, People’s Republic of China
- Department of Otolaryngology, the Second Affiliated Hospital of Jiaxing University, Jiaxing, Zhejiang Province, People’s Republic of China
| | - Chun-Ping Wu
- Department of Otolaryngology-Head and Neck Surgery, Eye, Ear, Nose and Throat Hospital of Fudan University, Shanghai, People’s Republic of China
| | - Jun-Yan Pan
- Department of Otolaryngology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai, People’s Republic of China
| | - Wen-Wei Zheng
- Department of Otolaryngology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai, People’s Republic of China
| | - Xiao-Juan Cao
- Department of Otolaryngology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai, People’s Republic of China
| | - Guo-Kang Fan
- Department of Otolaryngology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People’s Republic of China
- * E-mail:
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Wang J, Yu F, Jia X, Iwanowycz S, Wang Y, Huang S, Ai W, Fan D. MicroRNA-155 deficiency enhances the recruitment and functions of myeloid-derived suppressor cells in tumor microenvironment and promotes solid tumor growth. Int J Cancer 2014; 136:E602-13. [PMID: 25143000 DOI: 10.1002/ijc.29151] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Revised: 07/14/2014] [Accepted: 08/15/2014] [Indexed: 01/13/2023]
Abstract
Immune cells in tumor microenvironment play a prominent role in tumor progression and metastasis. MicroRNA-155 (miR-155) represents an important player in innate and adaptive immunity by regulating differentiation, maturation and activation of macrophages, dendritic cells, B cells and T cells. However, the role of miR-155 expression in immune cells in solid tumor development is less elucidated. Our current study showed that both B16-F10 melanoma and Lewis lung carcinoma tumors grew much faster in bic/miR-155 knockout (miR-155(-/-) ) mice along with an increase of myeloid-derived suppressor cells (MDSCs) accumulation in tumors, compared to that in wild-type mice. Bone marrow transplantation study showed that bone marrow miR-155 deficiency could replicate the above tumor-promoting phenotype. In vitro study demonstrated that tumor-infiltrating miR-155(-/-) MDSCs showed greater migration ability and expressed higher level of multiple chemokines. Furthermore, we found that the level of HIF-1α, a direct target of miR-155, was increased in miR-155 deficient MDSCs, and that the increased HIF-1α upregulated CXCL1, CXCL3 and CXCL8 expression in MDSCs, contributing to the enhanced recruitment of miR-155(-/-) MDSCs to the tumors. Moreover, miR-155(-/-) MDSCs showed enhanced immunosuppressive and pro-angiogenic capacities. Taken together, our study, for the first time, demonstrated that miR-155 deficiency promoted solid tumor growth through increasing the recruitment of MDSCs to tumor microenvironment and enhancing the tumor-promoting functions of the recruited MDSCs. Thus, upregulating miR-155 expression in MDSCs may be developed as a therapeutic approach to halt tumor development.
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Affiliation(s)
- Junfeng Wang
- Department of Cell Biology and Anatomy, University of South Carolina School of Medicine, Columbia, SC, 29209; Centre for Stem Cell Research and Application, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
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Kucerova L, Zmajkovic J, Toro L, Skolekova S, Demkova L, Matuskova M. Tumor-driven Molecular Changes in Human Mesenchymal Stromal Cells. CANCER MICROENVIRONMENT 2014; 8:1-14. [PMID: 25169041 DOI: 10.1007/s12307-014-0151-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Accepted: 08/07/2014] [Indexed: 12/23/2022]
Abstract
Mesenchymal stromal cells (MSC) exert either tumor-stimulatory or tumor-inhibitory effect. The outcome of the tumor-MSC interaction is dictated by the tumor-specific activating signals. We analyzed the alterations in MSC phenotype in response to stimulation by tumor-secreted paracrine factors. Paracrine factors from human melanoma A375 and glioblastoma 8MGBA cells were used for prolonged culture of MSC to produce derived cells designated DIFF(A)-MSC or DIFF(G)-MSC, respectively. Derived cells were analyzed for the specific surface markers, the expression pattern of MSC markers and fibroblast-specific proteins. Changes in the cell phenotype were evaluated using scratch wound assay and tube formation in vitro; and xenotransplant growth in vivo. Our data show induced expression of vascular endothelial growth factor 2, CD146, fibroblast-specific protein, vimentin and endosialin in DIFF(A)-MSC cells. This indicates their differentiation towards the cells with features of tumor-associated fibroblasts upon stimulation with melanoma-secreted cytokines. Paracrine stimulation in DIFF(G)-MSC led to up-regulation of the genes involved in the MSC differentiation. MSC-specific surface marker characteristics were preserved in derived DIFF(A)-MSC and DIFF(G)-MSC cells. However, we observed increased proportion of CD146 and GD2 (neural ganglioside) positive cells and decreased expression of marker NG2 in the MSC exposed to tumor-conditioned medium. Melanoma-CM increased MSC migration, glioblastoma-CM compromised angiogenic capacity of MSC in vitro and the protumorigenic effect in vivo. Our data directly compare the pleiotropic effects mediated by the malignant cells on the MSC. Secreted paracrine factors from melanoma or glioblastoma differently changed molecular traits in MSC, which explains the dual role of MSC in tumor growth.
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Affiliation(s)
- Lucia Kucerova
- Laboratory of Molecular Oncology, Cancer Research Institute, Slovak Academy of Sciences, Vlarska 7, 833 91, Bratislava, Slovakia,
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Long-term efficiency of mesenchymal stromal cell-mediated CD-MSC/5FC therapy in human melanoma xenograft model. Gene Ther 2014; 21:874-87. [PMID: 25056607 DOI: 10.1038/gt.2014.66] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Revised: 06/17/2014] [Accepted: 06/18/2014] [Indexed: 12/18/2022]
Abstract
Mesenchymal stromal cells (MSC) can be exploited as cellular delivery vehicles for the enzymes converting non-toxic prodrugs to toxic substances. Because of their inherent chemoresistance, they exert potent bystander and antitumor effect. Here we show that the human adipose tissue-derived MSC expressing fusion yeast cytosine deaminase::uracil phosphoribosyltransferase (CD-MSC) in combination with 5-fluorocytosine (5FC) mediated a long-term tumor-free survival in the 83.3% of tumor-bearing animals. CD-MSC/5FC treatment induced cytotoxicity against model human melanoma cells EGFP-A375. Only 4% of the therapeutic CD-MSC cells eliminated >98.5% of the tumor cells in vitro. Long-term tumor-free survival was confirmed in 15 out of the 18 animals. However, repeatedly used CD-MSC/5FC therapeutic regimen generated more aggressive and metastatic variant of the melanoma cells EGFP-A375/Rel3. These cells derived from the refractory xenotransplants exhibited increased resistance to the CD-MSC/5FC treatment, altered cell adhesion, migration, tumorigenic and metastatic properties. However, long-term curative effect was achieved by the augmentation of the CD-MSC/5FC regimen along with the inhibition of c-Met/hepatocyte growth factor signaling axis in this aggressive melanoma derivative. In summary, the CD-MSC/5FC regimen can be regarded as a very effective antitumor approach to achieve long-term tumor-free survival as demonstrated on a mouse model of aggressive human melanoma xenografts.
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21
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Nassiri SM, Rahbarghazi R. Interactions of Mesenchymal Stem Cells with Endothelial Cells. Stem Cells Dev 2014; 23:319-32. [DOI: 10.1089/scd.2013.0419] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- Seyed Mahdi Nassiri
- Department of Clinical Pathology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Reza Rahbarghazi
- Department of Clinical Pathology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
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Kucerova L, Skolekova S, Matuskova M, Bohac M, Kozovska Z. Altered features and increased chemosensitivity of human breast cancer cells mediated by adipose tissue-derived mesenchymal stromal cells. BMC Cancer 2013; 13:535. [PMID: 24209831 PMCID: PMC3829110 DOI: 10.1186/1471-2407-13-535] [Citation(s) in RCA: 71] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Accepted: 11/03/2013] [Indexed: 01/25/2023] Open
Abstract
Background Mesenchymal stromal cells (MSCs) represent heterogeneous cell population suitable for cell therapies in regenerative medicine. MSCs can also substantially affect tumor biology due to their ability to be recruited to the tumor stroma and interact with malignant cells via direct contacts and paracrine signaling. The aim of our study was to characterize molecular changes dictated by adipose tissue-derived mesenchymal stromal cells (AT-MSCs) and the effects on drug responses in human breast cancer cells SKBR3. Methods The tumor cells were either directly cocultured with AT-MSCs or exposed to MSCs-conditioned medium (MSC-CM). Changes in cell biology were evaluated by kinetic live cell imaging, fluorescent microscopy, scratch wound assay, expression analysis, cytokine secretion profiling, ATP-based viability and apoptosis assays. The efficiency of cytotoxic treatment in the presence of AT-MSCs or MSCs-CM was analyzed. Results The AT-MSCs altered tumor cell morphology, induced epithelial-to-mesenchymal transition, increased mammosphere formation, cell confluence and migration of SKBR3. These features were attributed to molecular changes induced by MSCs-secreted cytokines and chemokines in breast cancer cells. AT-MSCs significantly inhibited the proliferation of SKBR3 cells in direct cocultures which was shown to be dependent on the SDF-1α/CXCR4 signaling axis. MSC-CM-exposed SKBR3 or SKBR3 in direct coculture with AT-MSCs exhibited increased chemosensitivity and induction of apoptosis in response to doxorubicin and 5-fluorouracil. Conclusions Our work further highlights the multi-level nature of tumor-stromal cell interplay and demonstrates the capability of AT-MSCs and MSC-secreted factors to alter the anti-tumor drug responses.
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Affiliation(s)
- Lucia Kucerova
- Laboratory of Molecular Oncology, Cancer Research Institute, Slovak Academy of Sciences, Vlarska 7, 833 91, Bratislava, Slovakia.
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Benabbou N, Mirshahi P, Cadillon M, Soria J, Therwath A, Mirshahi M. Hospicells promote upregulation of the ATP-binding cassette genes by insulin-like growth factor-I via the JAK2/STAT3 signaling pathway in an ovarian cancer cell line. Int J Oncol 2013; 43:685-94. [PMID: 23857432 PMCID: PMC3787860 DOI: 10.3892/ijo.2013.2017] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2013] [Accepted: 04/22/2013] [Indexed: 01/22/2023] Open
Abstract
Interaction between tumor cells and their microenvironment has a crucial role in the development, progression and drug resistance of cancer. Our objective was to confirm the role of Hospicells, which are stromal cells from the cancer microenvironment, in drug resistance and tumor cell growth. We demonstrated that soluble factors secreted by Hospicells activate several genes and upregulate the JAK/STAT signaling pathway in ovarian cancer cell lines. Hospicells express all insulin-like growth factor (IGF) family as detected by gene array, RT-PCR, protein array and immunocytochemistry. While focusing attention on the microenvironment, we considered the role of IGF-I in proliferation and survival of ovarian cancer cells. Indeed, IGF-I is a major regulator of different stages of cancer development. We studied the effect of exogenously added IGF-I on the regulation of ATP-binding cassette (ABC) genes (MDR1, MRP1, MRP2, MRP3, MRP5 and BCRP) in the ovarian cancer cell line OVCAR3 and validated the results obtained using the IGF-IR antagonist picropodophyllin. IGF-I regulates the expression of ABC genes in OVCAR3 cells via the PI3-kinase, MEK and JAK2/STAT3 signaling pathways. The OVCAR3 cell line when co-cultured with Hospicells showed a marked degree of drug resistance. The drug resistance observed could be amplified with exogenous IGF-I. Addition of IGF-IR inhibitor, however, reduced the degree of resistance in these exposed cells. Cells that were treated with anticancer drugs and then exposed to IGF-I showed an increase in drug resistance and, thereby, an increase in cell survival. This observation indicates that drug resistance of OVCAR3 cells increases when there is synergy between OVCAR3 cells and Hospicells and it is amplified when IGF-I was exogenously added. In conclusion, inhibition of IGF-IR and targeting of the JAK2/STAT3 signaling pathway can be a target for ovarian cancer therapy.
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Affiliation(s)
- Nadia Benabbou
- National Institute for Medical Research (INSERM), Cordeliers Research Center (UMRS 872), University of Pierre and Marie Curie and University of Paris Descartes, Paris, France
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