51
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Li J, Yang P, Chen F, Tan Y, Huang C, Shen H, Peng C, Feng Y, Sun Y. Hypoxic colorectal cancer-derived extracellular vesicles deliver microRNA-361-3p to facilitate cell proliferation by targeting TRAF3 via the noncanonical NF-κB pathways. Clin Transl Med 2021; 11:e349. [PMID: 33784010 PMCID: PMC7967919 DOI: 10.1002/ctm2.349] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 02/18/2021] [Accepted: 02/22/2021] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Hypoxic tumour microenvironment (TME) is a key regulator in cancer progression. However, the communications between hypoxic cells and other components in TME during colorectal cancer (CRC) progression via extracellular vesicles (EVs) remain unclear. METHODS High-throughput sequencing was employed to detect aberrantly expressed microRNAs (miRNAs) in hypoxic EVs. Quantitative real-time PCR was used to confirm and screen preliminarily candidate miRNAs. The effects of EVs derived from hypoxia (<1% O2 ) and miR-361-3p on CRC growth were assessed using CCK-8 assays, colony formation assays, EdU assays, flow cytometric assays and mouse xenograft. Then, the specific mechanisms of miR-361-3p were investigated by RNA immunoprecipitation, luciferase reporter assay, Western blot, chromatin immunoprecipitation, immunohistochemistry and rescue experiments. RESULTS The level of miR-361-3p expression was remarkably elevated in hypoxic EVs and can be transferred to CRC cells. Functional experiments exhibited that hypoxic EVs facilitated cell growth and suppressed cell apoptosis by transferring miR-361-3p of CRC. Hypoxia-inducible factor-1α induced the elevation of miR-361-3p levels in hypoxic EVs. Upregulated miR-361-3p in CRC inhibited cell apoptosis and facilitated cell growth by directly targeting TNF receptor-associated factor 3, which consequently activated the noncanonical NF-κB pathway. Moreover, the high expression of circulating exosomal miR-361-3p was correlated to worse prognosis of CRC patients. CONCLUSIONS Altogether, the abnormality of exosomal miR-361-3p derived from hypoxia acts vital roles in the regulation of CRC growth and apoptosis and can be an emerging prognostic biomarker and a therapeutic target for CRC patients.
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Affiliation(s)
- Jie Li
- Department of Colorectal SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Peng Yang
- Department of Colorectal SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Fangyu Chen
- Department of Radiation OncologyThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Yuqian Tan
- Department of Colorectal SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Changzhi Huang
- Department of Colorectal SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Hengyang Shen
- Department of Colorectal SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Chaofan Peng
- Department of Colorectal SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Yifei Feng
- Department of Colorectal SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Yueming Sun
- Department of Colorectal SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
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52
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Ghafouri-Fard S, Honarmand Tamizkar K, Hussen BM, Taheri M. MicroRNA signature in liver cancer. Pathol Res Pract 2021; 219:153369. [PMID: 33626406 DOI: 10.1016/j.prp.2021.153369] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/31/2021] [Accepted: 02/02/2021] [Indexed: 12/24/2022]
Abstract
Liver cancer is the 7th utmost frequent neoplasm and the 4th principal source of cancer deaths. This malignancy is linked with several environmental and lifestyle-related factors emphasizing the role of epigenetics in its pathogenesis. MicroRNAs (miRNAs) have been regarded as potent epigenetic mechanisms partaking in the pathogenesis of liver cancer. Dysregulation of miRNAs has been related with poor outcome of patients with liver cancer. In the current manuscript, we provide a concise review of the results of recent studies about the role of miRNAs in the progression of liver cancer and their diagnostic and prognostic utility.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Bashdar Mahmud Hussen
- Pharmacognosy Department, College of Pharmacy, Hawler Medical University, Erbil, Iraq
| | - Mohammad Taheri
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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53
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Zhang Z, Yang W, Ma F, Ma Q, Zhang B, Zhang Y, Liu Y, Liu H, Hua Y. Enhancing the chemotherapy effect of Apatinib on gastric cancer by co-treating with salidroside to reprogram the tumor hypoxia micro-environment and induce cell apoptosis. Drug Deliv 2021; 27:691-702. [PMID: 32397840 PMCID: PMC7269049 DOI: 10.1080/10717544.2020.1754528] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Hypoxic microenvironment commonly occurred in the solid tumors considerably decreases the chemosensitivity of cancer cells. Salidroside (Sal), the main active ingredient of Rhodiola rosea, was shown to be able of regulating the tumor hypoxia micro-environment and enhancing the chemotherapeutic efficacy of drug-resistant cancer. Therefore, in this study, the Sal was co-loaded with Apatinib (Apa) by the PLGA-based nanoparticles (NPs) to improve the chemosensitivity of gastric cancer cells. Additionally, to improve the drug delivery efficacy, the tumor-homing peptide (iVR1 peptides) was further decorated on the surface of NPs. The tumor targeting ability of the peptides-functionalized nanoparticles (iVR1-NPs-Apa/Sal) was evaluated by in vitro and in vivo experiments. As the obtained results revealed that the iVR1-NPs-Apa/Sal displayed excellent tumor affinity than the unmodified ones (NPs-Apa/Sal), which in turn resulted in more efficient of anti-proliferation of gastric cancer cells and anti-tumor effect in vivo. In addition, compared with the cells or tumor-bearing mice only treaded by monotherapy of Apa, the cells or mice received combinational treatment of Apa and Sal showed obvious lower rate of growth, invasion, and migration or tumor growth and progress. Underlying mechanisms were further investigated and it was revealed that the anti-gastric cancer effect of Apa was signally improved by Sal through down-regulation the proliferation factors and increase the pro-apoptotic genes, as well as reprograming the tumor hypoxia micro-environment. In a word, the study showed that the Sal was able of improving the chemosensitivity of gastric cancer to Apa and the iVR1-NPs-Apa/Sal was capable of realizing highly efficient of tumor-targeting drug delivery.
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Affiliation(s)
- Zhandong Zhang
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Henan, Zhengzhou
| | - Wei Yang
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Henan, Zhengzhou
| | - Fei Ma
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Henan, Zhengzhou
| | - Qi Ma
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Henan, Zhengzhou
| | - Bin Zhang
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Henan, Zhengzhou
| | - Yonglei Zhang
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Henan, Zhengzhou
| | - Yingqiang Liu
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Henan, Zhengzhou
| | - Hongxing Liu
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Henan, Zhengzhou
| | - Yawei Hua
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Henan Cancer Hospital, Henan, Zhengzhou
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Mo F, Xu Y, Zhang J, Zhu L, Wang C, Chu X, Pan Y, Bai Y, Shao C, Zhang J. Effects of Hypoxia and Radiation-Induced Exosomes on Migration of Lung Cancer Cells and Angiogenesis of Umbilical Vein Endothelial Cells. Radiat Res 2020; 194:71-80. [PMID: 32352864 DOI: 10.1667/rr15555.1] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 03/27/2020] [Indexed: 11/03/2022]
Abstract
Numerous studies have shown that exosomes play important roles in tumor biology development. However, the function of exosomal protein in cancer progression under different oxygen condition after irradiation is poorly understood. In this study, non-small cell lung cancer (NSCLC) A549 cells were γ-ray irradiated under normoxic or hypoxic conditions, then the exosomes released from the irradiated cells were collected and co-cultured with nonirradiated A549 cells or human umbilical vein endothelial cells (HUVECs). It was found that the exosomes significantly promoted the proliferation, migration and invasion of A549 cells as well as the proliferation and angiogenesis of HUVECs. Moreover, the exosomes released from hypoxic cells and/or irradiated cells had more powerful driving force in tumor progression compared to that generated from normoxia cells. Meanwhile, the proteins contained in the exosomes derived from A549 cells under different conditions were detected using tandem mass tag (TMT), and their expression profiles were analyzed. It was found that the exosome-derived protein of angiopoietin-like 4 (ANGPTL4) contributed to the migration of A549 cells as well as the angiogenesis of HUVECs, suggesting its potential as an effective diagnostic biomarker of metastasis and even a therapeutic target of lung cancer.
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Affiliation(s)
- Fang Mo
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
| | - Yanwu Xu
- Department of Biochemistry, College of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Junling Zhang
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
| | - Lin Zhu
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
| | - Chen Wang
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
| | - Xiaofei Chu
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
| | - Yan Pan
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
| | - Yang Bai
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
| | - Chunlin Shao
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
| | - Jianghong Zhang
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
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Sun W, Fu S, Wu S, Tu R. Growing Evidence of Exosomal MicroRNA-Related Metastasis of Hepatocellular Carcinoma. BIOMED RESEARCH INTERNATIONAL 2020; 2020:4501454. [PMID: 33313314 PMCID: PMC7719499 DOI: 10.1155/2020/4501454] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 09/15/2020] [Accepted: 10/07/2020] [Indexed: 12/28/2022]
Abstract
Metastasis is the prominent cause of death in patients with hepatocellular carcinoma (HCC); however, the mechanisms behind HCC metastasis are not well understood. MicroRNAs (miRs) can regulate gene expression and affect HCC metastasis. Exosomes can transport miRs and other cargoes to and from different cells, thus being associated with tumour-distant metastasis. Exosomal miRs involve different processes of HCC metastasis through their functional effects, such as their induction of epithelial-to-mesenchymal transition, angiogenesis, and distant niche. In this review, data from the literature were analysed and summarised, with a focus on the evidence extraction of exosomal miRs in HCC metastasis with the purpose of increasing the understanding of the mechanisms behind HCC metastasis and acquiring implications for application.
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Affiliation(s)
- Wenbing Sun
- Department of Medical Imaging, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan 570102, China
| | - Shuqi Fu
- Department of Medical Imaging, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan 570102, China
| | - Size Wu
- Department of Medical Imaging, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan 570102, China
| | - Rong Tu
- Department of Medical Imaging, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan 570102, China
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56
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Koni M, Pinnarò V, Brizzi MF. The Wnt Signalling Pathway: A Tailored Target in Cancer. Int J Mol Sci 2020; 21:E7697. [PMID: 33080952 PMCID: PMC7589708 DOI: 10.3390/ijms21207697] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 10/15/2020] [Accepted: 10/16/2020] [Indexed: 12/24/2022] Open
Abstract
Cancer is one of the greatest public health challenges. According to the World Health Organization (WHO), 9.6 million cancer deaths have been reported in 2018. The most common cancers include lung, breast, colorectal, prostate, skin (non-melanoma) and stomach cancer. The unbalance of physiological signalling pathways due to the acquisition of mutations in tumour cells is considered the most common cancer driver. The Wingless-related integration site (Wnt)/β-catenin pathway is crucial for tissue development and homeostasis in all animal species and its dysregulation is one of the most relevant events linked to cancer development and dissemination. The canonical and the non-canonical Wnt/β-catenin pathways are known to control both physiological and pathological processes, including cancer. Herein, the impact of the Wnt/β-catenin cascade in driving cancers from different origin has been examined. Finally, based on the impact of Extracellular Vesicles (EVs) on tumour growth, invasion and chemoresistance, and their role as tumour diagnostic and prognostic tools, an overview of the current knowledge linking EVs to the Wnt/β-catenin pathway is also discussed.
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Affiliation(s)
| | | | - Maria Felice Brizzi
- Department of Medical Sciences, University of Turin, Corso Dogliotti 14, 10126 Turin, Italy; (M.K.); (V.P.)
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57
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Hapke RY, Haake SM. Hypoxia-induced epithelial to mesenchymal transition in cancer. Cancer Lett 2020; 487:10-20. [PMID: 32470488 PMCID: PMC7336507 DOI: 10.1016/j.canlet.2020.05.012] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 05/04/2020] [Accepted: 05/13/2020] [Indexed: 02/07/2023]
Abstract
A common feature of many solid tumors is low oxygen conditions due to inadequate blood supply. Hypoxia induces hypoxia inducible factor (HIF) stabilization and downstream signaling. This signaling has pleiotropic roles in cancers, including the promotion of cellular proliferation, changes in metabolism, and induction of angiogenesis. In addition, hypoxia is becoming recognized as an important driver of epithelial-to-mesenchymal (EMT) in cancer. During EMT, epithelial cells lose their typical polarized states and transition to a more mobile mesenchymal phenotype. Hypoxia induces this transition by modulating EMT signaling pathways, inducing EMT transcription factor activity, and regulating miRNA networks. As both hypoxia and EMT modulate the tumor microenvironment (TME) and are associated with immunosuppression, we also explore how these pathways may impact response to immuno-oncology therapeutics.
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Affiliation(s)
| | - Scott M Haake
- Division of Hematology/Oncology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA.
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58
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Walbrecq G, Margue C, Behrmann I, Kreis S. Distinct Cargos of Small Extracellular Vesicles Derived from Hypoxic Cells and Their Effect on Cancer Cells. Int J Mol Sci 2020; 21:ijms21145071. [PMID: 32709110 PMCID: PMC7404308 DOI: 10.3390/ijms21145071] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/16/2020] [Accepted: 07/17/2020] [Indexed: 02/07/2023] Open
Abstract
Hypoxia is a common hallmark of solid tumors and is associated with aggressiveness, metastasis and poor outcome. Cancer cells under hypoxia undergo changes in metabolism and there is an intense crosstalk between cancer cells and cells from the tumor microenvironment. This crosstalk is facilitated by small extracellular vesicles (sEVs; diameter between 30 and 200 nm), including exosomes and microvesicles, which carry a cargo of proteins, mRNA, ncRNA and other biological molecules. Hypoxia is known to increase secretion of sEVs and has an impact on the composition of the cargo. This sEV-mediated crosstalk ultimately leads to various biological effects in the proximal tumor microenvironment but also at distant, future metastatic sites. In this review, we discuss the changes induced by hypoxia on sEV secretion and their cargo as well as their effects on the behavior and metabolism of cancer cells, the tumor microenvironment and metastatic events.
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59
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Zhang B, Huang L, Tu J, Wu T. Hypoxia-Induced Placenta-Specific microRNA (miR-512-3p) Promotes Hepatocellular Carcinoma Progression by Targeting Large Tumor Suppressor Kinase 2. Onco Targets Ther 2020; 13:6073-6083. [PMID: 32612368 PMCID: PMC7323795 DOI: 10.2147/ott.s254612] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 05/28/2020] [Indexed: 12/24/2022] Open
Abstract
Background Sustained proliferation and active metastasis are hallmarks of cancer, and they pose major challenges to the development of treatments and a cure for hepatocellular carcinoma (HCC). Thus, the mechanisms of proliferation, migration, and invasion of cancer cells need to be investigated. Many studies indicate that dysregulation of microRNA plays important roles in the progression of HCC, but the role of placenta-specific microRNA (miR-512-3p) in HCC has not been systematically investigated. Purpose In the current study, the expression, biological function, and mechanisms of miR-512-3p involvement in HCC were investigated. Methods Real-time quantitative polymerase chain reaction assays were conducted to determine miR-512-3p levels in HCC tissues and cell lines. The StarBase V3.0 online platform was used to compare miR-512-3p levels in HCC tissues with TCGA data and to identify potential miR-512-3p target genes. Associations between miR-512-3p and clinicopathological characteristics were analyzed statistically. MTT, ethynyl deoxyuridine, and transwell assays were performed to assess cell viability, proliferation, migration, and invasion. The luciferase reporter gene assay was used to verify target genes. Recuse assays were performed to confirm whether large tumor suppressor kinase 2 (LATS2) participated in the regulatory effects of miR-512-3p on HCC cell proliferation and motility, and whether miR-512-3p mediated the tumor-promoting effects of hypoxia. Results miR-512-3p was upregulated in HCC and it was associated with worse survival and unfavorable clinicopathological characteristics. Functional assays indicated that miR-512-3p contributed to HCC cell proliferation, migration, and invasion. Mechanistically, LATS2—a downstream target of miR-512-3p—mediated the tumor-promoting effects of miR-512-3p in HCC. Hypoxia could elevate miR-512-3p levels in HCC cells, and miR-512-3p partially mediated the tumor-promoting effects of hypoxia. Conclusion Hypoxia-induced miR-512-3p contributes to HCC cell proliferation, migration, and invasion by targeting LATS2 and inhibiting the Hippo/yes-associated protein 1 pathways.
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Affiliation(s)
- Bohan Zhang
- Department of Clinical Medicine, Queen Mary Institute, Nanchang University, Nanchang, Jiangxi Province 330000, People's Republic of China
| | - Liang Huang
- Emergency Department, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province 330006, People's Republic of China
| | - Jiangbo Tu
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province 330006, People's Republic of China
| | - Tianming Wu
- Emergency Department, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province 330006, People's Republic of China
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Wang W, Han Y, Jo HA, Lee J, Song YS. Non-coding RNAs shuttled via exosomes reshape the hypoxic tumor microenvironment. J Hematol Oncol 2020; 13:67. [PMID: 32503591 PMCID: PMC7275461 DOI: 10.1186/s13045-020-00893-3] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 05/05/2020] [Indexed: 02/06/2023] Open
Abstract
Exosomes are small extracellular vesicles secreted by almost all the cells. Molecular cargos of exosomes can partially reflect the characteristics of originating cells. Exosome-mediated cell-to-cell interactions in the microenvironment are critical in cancer progression. Hypoxia, a key pro-cancerous feature of the tumor microenvironment, alters the releasing and contents of exosomes. A growing body of evidence shows that hypoxia induces more aggressive phenotypes in cancer. Of note, non-coding RNAs shuttled in hypoxic tumor-derived exosomes have been demonstrated as fundamental molecules in regulating cancer biology and remodeling tumor microenvironment. Furthermore, these hypoxic tumor-derived exosomal non-coding RNAs can be detected in the body fluids, serving as promising diagnostic and prognostic biomarkers. The current review discusses changes in cancer behaviors regulated by exosomes-secreted non-coding RNAs under hypoxic conditions.
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Affiliation(s)
- Wenyu Wang
- Interdisciplinary Program in Cancer Biology, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
- Cancer Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Youngjin Han
- Cancer Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
- Biomodulation, Department of Agricultural Biotechnology, Seoul National University, Seoul, 03080, Republic of Korea
| | - Hyun A Jo
- Cancer Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
- Biomodulation, Department of Agricultural Biotechnology, Seoul National University, Seoul, 03080, Republic of Korea
| | - Juwon Lee
- Cancer Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
- Biomodulation, Department of Agricultural Biotechnology, Seoul National University, Seoul, 03080, Republic of Korea
| | - Yong Sang Song
- Interdisciplinary Program in Cancer Biology, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.
- Cancer Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.
- Biomodulation, Department of Agricultural Biotechnology, Seoul National University, Seoul, 03080, Republic of Korea.
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.
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Kumar A, Deep G. Exosomes in hypoxia-induced remodeling of the tumor microenvironment. Cancer Lett 2020; 488:1-8. [PMID: 32473240 DOI: 10.1016/j.canlet.2020.05.018] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 05/06/2020] [Accepted: 05/17/2020] [Indexed: 12/13/2022]
Abstract
Exosomes are structurally and functionally pleiotropic nano-sized (~30-150 nm in diameter) extracellular vesicles (EVs) with endosomal origin. These vesicles are secreted by almost all cells and play a significant role in intercellular communication and bio-waste disposal. To a great extent, exosomes represent biological "snapshot" of parent cells, and their cargos (protein, nucleotides, lipids, and metabolites) are loaded uniquely under different pathophysiological conditions. For example, most cancerous cells secrete a higher amount of exosomes loaded with distinct cargos under stressful low oxygen condition i.e. hypoxia, a key characteristic of solid tumors responsible for disease aggressiveness and poor survival. Exosomes secreted under hypoxia (ExoHypoxic) play a vital role in aiding cancer cells crosstalk with its microenvironment constituents to create conditions advantageous for cancer growth and metastatic spread. In this review article, we have highlighted the effects of ExoHypoxic on various tumor microenvironment components involved in angiogenesis, survival, proliferation, pre-metastatic niches preparation, immunomodulation, epithelial-to-mesenchymal transition, invasion, metastasis, and drug resistance. We have also described key ExoHypoxic cargos (miRNA, proteins, etc) and their targets in the receipt cells, responsible for various biological effects. Finally, we have emphasized the applicability of ExoHypoxic as a biomarker of tumor hypoxia and disease prognosis.
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Affiliation(s)
- Ashish Kumar
- Department of Cancer Biology, Wake Forest Baptist Medical Center, Winston-Salem, NC, USA
| | - Gagan Deep
- Department of Cancer Biology, Wake Forest Baptist Medical Center, Winston-Salem, NC, USA; Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, NC, USA; Department of Urology, Wake Forest School of Medicine, Winston-Salem, NC, USA.
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Shi ZY, Yang XX, Malichewe C, Li YS, Guo XL. Exosomal microRNAs-mediated intercellular communication and exosome-based cancer treatment. Int J Biol Macromol 2020; 158:530-541. [PMID: 32360962 DOI: 10.1016/j.ijbiomac.2020.04.228] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/26/2020] [Accepted: 04/25/2020] [Indexed: 02/06/2023]
Abstract
Exosomes are extracellular vesicles with a diameter of about 30 to 100 nm, which play a crucial role in intercellular communication. Compared with normal cells, the release rate of tumor-derived exosomes (TDEs) significantly increased, and exosomal contents, especially microRNAs (miRNAs), greatly changed. TDEs contribute to the proliferation, metastasis and resistance of tumor cells, regulate immune response and tumor autophagy, and mediate tumor-stroma communication. In addition, exosomes may be involved in tumor complications. In view of the role of exosomes in intercellular communication, exosomes have been developed as tumor biomarkers, therapeutic targets, and drug delivery systems for tumor diagnosis, prognosis and treatment. Despite the many advantages of exosomes, there are many challenges in exosomal development and application, such as incomprehensive understanding of biological functions, safety and specificity for therapeutic use. This article reviews the biogenesis of TDEs and focuses on the role of exosomal miRNAs in intercellular communication and exosome-based treatment for cancer.
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Affiliation(s)
- Zhao-Yu Shi
- Department of Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan 250012, PR China
| | - Xiao-Xia Yang
- Department of Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan 250012, PR China
| | - ChristinaYallen Malichewe
- Department of Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan 250012, PR China
| | - Ying-Shuang Li
- Department of Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan 250012, PR China
| | - Xiu-Li Guo
- Department of Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan 250012, PR China..
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Bottani M, Banfi G, Lombardi G. Circulating miRNAs as Diagnostic and Prognostic Biomarkers in Common Solid Tumors: Focus on Lung, Breast, Prostate Cancers, and Osteosarcoma. J Clin Med 2019; 8:E1661. [PMID: 31614612 PMCID: PMC6833074 DOI: 10.3390/jcm8101661] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 10/04/2019] [Accepted: 10/06/2019] [Indexed: 12/22/2022] Open
Abstract
An early cancer diagnosis is essential to treat and manage patients, but it is difficult to achieve this goal due to the still too low specificity and sensitivity of classical methods (imaging, actual biomarkers), together with the high invasiveness of tissue biopsies. The discovery of novel, reliable, and easily collectable cancer markers is a topic of interest, with human biofluids, especially blood, as important sources of minimal invasive biomarkers such as circulating microRNAs (miRNAs), the most promising. MiRNAs are small non-coding RNAs and known epigenetic modulators of gene expression, with specific roles in cancer development/progression, which are next to be implemented in the clinical routine as biomarkers for early diagnosis and the efficient monitoring of tumor progression and treatment response. Unfortunately, several issues regarding their validation process are still to be resolved. In this review, updated findings specifically focused on the clinical relevance of circulating miRNAs as prognostic and diagnostic biomarkers for the most prevalent cancer types (breast, lung, and prostate cancers in adults, and osteosarcoma in children) are described. In addition, deep analysis of pre-analytical, analytical, and post-analytical issues still affecting the circulation of miRNAs' validation process and routine implementation is included.
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Affiliation(s)
- Michela Bottani
- IRCCS Istituto Ortopedico Galeazzi, Laboratory of Experimental Biochemistry and Molecular Biology, Via Riccardo Galeazzi 4, 20161 Milano, Italy.
| | - Giuseppe Banfi
- IRCCS Istituto Ortopedico Galeazzi, Laboratory of Experimental Biochemistry and Molecular Biology, Via Riccardo Galeazzi 4, 20161 Milano, Italy.
- Vita-Salute San Raffaele University, 20132 Milano, Italy.
| | - Giovanni Lombardi
- IRCCS Istituto Ortopedico Galeazzi, Laboratory of Experimental Biochemistry and Molecular Biology, Via Riccardo Galeazzi 4, 20161 Milano, Italy.
- Dept. of Physiology and Pharmacology, Gdańsk University of Physical Education and Sport, Gdańsk, ul. Kazimierza Górskiego 1, 80-336 Pomorskie, Poland.
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