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Niu M, Shan M, Liu Y, Song Y, Han JG, Sun S, Liang XS, Zhang GQ. DCTPP1, an Oncogene Regulated by miR-378a-3p, Promotes Proliferation of Breast Cancer via DNA Repair Signaling Pathway. Front Oncol 2021; 11:641931. [PMID: 34113564 PMCID: PMC8185175 DOI: 10.3389/fonc.2021.641931] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 02/22/2021] [Indexed: 12/17/2022] Open
Abstract
Breast cancer (BRCA) is one of the most deadly cancers worldwide, with poor survival rates that could be due to its high proliferation. Human all-alpha dCTP pyrophosphatase 1 (DCTPP1) is implicated in numerous diseases, including cancers. However, its role in BRCA is unclear. In this study, we used bioinformatic analyses of the ONCOMINE, UALCAN, and GEPIA databases to determine the expression pattern of DCTPP1 in BRCA. We found that elevated DCTPP1 levels correlate with poor BRCA prognosis. DCTPP1 silencing inhibited BRCA cell proliferation and induced apoptosis in vitro, as well as in vivo. Our data show that this tumorigenic effect depends on DNA repair signaling. Moreover, we found that DCTPP1 is directly modulated by miR-378a-3p, whose downregulation is linked to BRCA progression. Our results showed down-regulation of miR-378a-3p in BRCA. Upregulation of miR-378a-3p, on the other hand, can inhibit BRCA cell growth and proliferation. This study shows that reduced miR-378a-3p level enhances DCTPP1 expression in BRCA, which promotes proliferation by activating DNA repair signaling in BRCA.
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Affiliation(s)
- Ming Niu
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Ming Shan
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Yang Liu
- Research Institute of Chinese Medicine, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Yanni Song
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Ji-Guang Han
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Shanshan Sun
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Xiao-Shuan Liang
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Guo-Qiang Zhang
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
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52
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Xing Y, Ruan G, Ni H, Qin H, Chen S, Gu X, Shang J, Zhou Y, Tao X, Zheng L. Tumor Immune Microenvironment and Its Related miRNAs in Tumor Progression. Front Immunol 2021; 12:624725. [PMID: 34084160 PMCID: PMC8167795 DOI: 10.3389/fimmu.2021.624725] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 04/29/2021] [Indexed: 12/11/2022] Open
Abstract
MiRNA is a type of small non-coding RNA, by regulating downstream gene expression that affects the progression of multiple diseases, especially cancer. MiRNA can participate in the biological processes of tumor, including proliferation, invasion and escape, and exhibit tumor enhancement or inhibition. The tumor immune microenvironment contains numerous immune cells. These cells include lymphocytes with tumor suppressor effects such as CD8+ T cells and natural killer cells, as well as some tumor-promoting cells with immunosuppressive functions, such as regulatory T cells and myeloid-derived suppressor cells. MiRNA can affect the tumor immune microenvironment by regulating the function of immune cells, which in turn modulates the progression of tumor cells. Investigating the role of miRNA in regulating the tumor immune microenvironment will help elucidate the specific mechanisms of interaction between immune cells and tumor cells, and may facilitate the use of miRNA as a predictor of immune disorders in tumor progression. This review summarizes the multifarious roles of miRNA in tumor progression through regulation of the tumor immune microenvironment, and provides guidance for the development of miRNA drugs to treat tumors and for the use of miRNA as an auxiliary means in tumor immunotherapy.
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Affiliation(s)
- Yingying Xing
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Guojing Ruan
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Haiwei Ni
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Hai Qin
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Simiao Chen
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Xinyue Gu
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Jiamin Shang
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Yantong Zhou
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Xi Tao
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Lufeng Zheng
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
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53
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Abstract
MicroRNAs orchestrate the tight regulation of numerous cellular processes and the deregulation in their activities has been implicated in many diseases, including diabetes and cancer. There is an increasing amount of epidemiological evidence associating diabetes, particularly type 2 diabetes mellitus, to an elevated risk of various cancer types, including breast cancer. However, little is yet known about the underlying molecular mechanisms and even less about the role miRNAs play in driving the tumorigenic potential of the cell signaling underlying diabetes pathogenesis. This article reviews the role of miRNA in bridging the diabetes–breast cancer association by discussing specific miRNAs that are implicated in diabetes and breast cancer and highlighting the overlap between the disease-specific regulatory miRNA networks to identify a 20-miRNA signature that is common to both diseases. Potential therapeutic targeting of these molecular players may help to alleviate the socioeconomic burden on public health that is imposed by the type 2 diabetes mellitus (T2DM)–breast cancer association.
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54
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Ahmed SH, Espinoza-Sánchez NA, El-Damen A, Fahim SA, Badawy MA, Greve B, El-Shinawi M, Götte M, Ibrahim SA. Small extracellular vesicle-encapsulated miR-181b-5p, miR-222-3p and let-7a-5p: Next generation plasma biopsy-based diagnostic biomarkers for inflammatory breast cancer. PLoS One 2021; 16:e0250642. [PMID: 33901254 PMCID: PMC8075236 DOI: 10.1371/journal.pone.0250642] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 04/08/2021] [Indexed: 12/12/2022] Open
Abstract
Inflammatory breast cancer (IBC) is a rare, but aggressive entity of breast carcinoma with rapid dermal lymphatic invasion in young females. It is either poorly or misdiagnosed as mastitis because of the absence of a distinct lump. Small extracellular vesicles (sEVs) circulating in liquid biopsies are a novel class of minimally invasive diagnostic alternative to invasive tissue biopsies. They modulate cancer progression via shuttling their encapsulated cargo including microRNAs (miRNAs) into recipient cells to either trigger signaling or induce malignant transformation of targeted cells. Plasma sEVs < 200 nm were isolated using a modified cost-effective polyethylene glycol (PEG)-based precipitation method and compared to standard methods, namely ultracentrifugation and a commercial kit, where the successful isolation was verified by different approaches. We evaluated the expression levels of selected sEV-derived miR-181b-5p, miR-222-3p and let-7a-5p using quantitative real PCR (qPCR). Relative to non-IBC, our qPCR data showed that sEV-derived miR-181b-5p and miR-222-3p were significantly upregulated, whereas let-7a-5p was downregulated in IBC patients. Interestingly, receiver operating characteristic (ROC) curves analysis revealed that diagnostic accuracy of let-7a-5p alone was the highest for IBC with an area under curve (AUC) value of 0.9188, and when combined with miR-222-3p the AUC was improved to 0.973. Further, 38 hub genes were identified using bioinformatics analysis. Together, circulating sEV-derived miR-181b-5p, miR-222-3p and let-7a-5p serve as promising non-invasive diagnostic biomarkers for IBC.
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Affiliation(s)
- Sarah Hamdy Ahmed
- Biotechnology/Biomolecular Chemistry Program, Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
| | - Nancy A Espinoza-Sánchez
- Department of Gynecology and Obstetrics, Münster University Hospital, Münster, Germany.,Department of Radiotherapy-Radiooncology, University Hospital Münster, Münster, Germany
| | - Ahmed El-Damen
- Department of Zoology, Faculty of Science, Cairo University, Giza, Egypt
| | - Sarah Atef Fahim
- Biochemistry Program, Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
| | - Mohamed A Badawy
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
| | - Burkhard Greve
- Department of Radiotherapy-Radiooncology, University Hospital Münster, Münster, Germany
| | - Mohamed El-Shinawi
- Galala University, Suez, Egypt.,Department of General Surgery, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Martin Götte
- Department of Gynecology and Obstetrics, Münster University Hospital, Münster, Germany
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55
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Tang LB, Ma SX, Chen ZH, Huang QY, Wu LY, Wang Y, Zhao RC, Xiong LX. Exosomal microRNAs: Pleiotropic Impacts on Breast Cancer Metastasis and Their Clinical Perspectives. BIOLOGY 2021; 10:biology10040307. [PMID: 33917233 PMCID: PMC8067993 DOI: 10.3390/biology10040307] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/28/2021] [Accepted: 04/03/2021] [Indexed: 01/07/2023]
Abstract
As a major threat factor for female health, breast cancer (BC) has garnered a lot of attention for its malignancy and diverse molecules participating in its carcinogenesis process. Among these complex carcinogenesis processes, cell proliferation, epithelial-to-mesenchymal transition (EMT), mesenchymal-to-epithelial transition (MET), and angiogenesis are the major causes for the occurrence of metastasis and chemoresistance which account for cancer malignancy. MicroRNAs packaged and secreted in exosomes are termed "exosomal microRNAs (miRNAs)". Nowadays, more researches have uncovered the roles of exosomal miRNAs played in BC metastasis. In this review, we recapitulated the dual actions of exosomal miRNAs exerted in the aggressiveness of BC by influencing migration, invasion, and distant metastasis. Next, we presented how exosomal miRNAs modify angiogenesis and stemness maintenance. Clinically, several exosomal miRNAs can govern the transformation between drug sensitivity and chemoresistance. Since the balance of the number and type of exosomal miRNAs is disturbed in pathological conditions, they are able to serve as instructive biomarkers for BC diagnosis and prognosis. More efforts are needed to connect the theoretical studies and clinical traits together. This review provides an outline of the pleiotropic impacts of exosomal miRNAs on BC metastasis and their clinical implications, paving the way for future personalized drugs.
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Affiliation(s)
- Li-Bo Tang
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (L.-B.T.); (Q.-Y.H.); (L.-Y.W.); (Y.W.); (R.-C.Z.)
- Second Clinical Medical College, Nanchang University, Nanchang 330006, China;
| | - Shu-Xin Ma
- Queen Mary School, Jiangxi Medical College, Nanchang University, Nanchang 330006, China;
| | - Zhuo-Hui Chen
- Second Clinical Medical College, Nanchang University, Nanchang 330006, China;
| | - Qi-Yuan Huang
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (L.-B.T.); (Q.-Y.H.); (L.-Y.W.); (Y.W.); (R.-C.Z.)
- Second Clinical Medical College, Nanchang University, Nanchang 330006, China;
| | - Long-Yuan Wu
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (L.-B.T.); (Q.-Y.H.); (L.-Y.W.); (Y.W.); (R.-C.Z.)
- First Clinical Medical College, Nanchang University, Nanchang 330006, China
| | - Yi Wang
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (L.-B.T.); (Q.-Y.H.); (L.-Y.W.); (Y.W.); (R.-C.Z.)
| | - Rui-Chen Zhao
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (L.-B.T.); (Q.-Y.H.); (L.-Y.W.); (Y.W.); (R.-C.Z.)
- Queen Mary School, Jiangxi Medical College, Nanchang University, Nanchang 330006, China;
| | - Li-Xia Xiong
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (L.-B.T.); (Q.-Y.H.); (L.-Y.W.); (Y.W.); (R.-C.Z.)
- Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology, Nanchang 330006, China
- Correspondence: ; Tel.: +86-791-8636-0556
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56
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Humphries B, Wang Z, Yang C. MicroRNA Regulation of Breast Cancer Stemness. Int J Mol Sci 2021; 22:3756. [PMID: 33916548 PMCID: PMC8038508 DOI: 10.3390/ijms22073756] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 04/01/2021] [Accepted: 04/02/2021] [Indexed: 12/22/2022] Open
Abstract
Recent advances in our understanding of breast cancer have demonstrated that cancer stem-like cells (CSCs, also known as tumor-initiating cell (TICs)) are central for progression and recurrence. CSCs are a small subpopulation of cells present in breast tumors that contribute to growth, metastasis, therapy resistance, and recurrence, leading to poor clinical outcome. Data have shown that cancer cells can gain characteristics of CSCs, or stemness, through alterations in key signaling pathways. The dysregulation of miRNA expression and signaling have been well-documented in cancer, and recent studies have shown that miRNAs are associated with breast cancer initiation, progression, and recurrence through regulating CSC characteristics. More specifically, miRNAs directly target central signaling nodes within pathways that can drive the formation, maintenance, and even inhibition of the CSC population. This review aims to summarize these research findings specifically in the context of breast cancer. This review also discusses miRNAs as biomarkers and promising clinical therapeutics, and presents a comprehensive summary of currently validated targets involved in CSC-specific signaling pathways in breast cancer.
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Affiliation(s)
- Brock Humphries
- Center for Molecular Imaging, Department of Radiology, University of Michigan, 109 Zina Pitcher Place, Ann Arbor, MI 48109, USA
| | - Zhishan Wang
- Division of Cancer Biology, Department of Medicine, MetroHealth Medical Center, Case Western Reserve University School of Medicine, 2500 MetroHealth Drive, Cleveland, OH 44109, USA;
| | - Chengfeng Yang
- Division of Cancer Biology, Department of Medicine, MetroHealth Medical Center, Case Western Reserve University School of Medicine, 2500 MetroHealth Drive, Cleveland, OH 44109, USA;
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57
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Santos D, Remans S, Van den Brande S, Vanden Broeck J. RNAs on the Go: Extracellular Transfer in Insects with Promising Prospects for Pest Management. PLANTS (BASEL, SWITZERLAND) 2021; 10:484. [PMID: 33806650 PMCID: PMC8001424 DOI: 10.3390/plants10030484] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 02/28/2021] [Accepted: 03/01/2021] [Indexed: 01/16/2023]
Abstract
RNA-mediated pathways form an important regulatory layer of myriad biological processes. In the last decade, the potential of RNA molecules to contribute to the control of agricultural pests has not been disregarded, specifically via the RNA interference (RNAi) mechanism. In fact, several proofs-of-concept have been made in this scope. Furthermore, a novel research field regarding extracellular RNAs and RNA-based intercellular/interorganismal communication is booming. In this article, we review key discoveries concerning extracellular RNAs in insects, insect RNA-based cell-to-cell communication, and plant-insect transfer of RNA. In addition, we overview the molecular mechanisms implicated in this form of communication and discuss future biotechnological prospects, namely from the insect pest-control perspective.
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Affiliation(s)
- Dulce Santos
- Research Group of Molecular Developmental Physiology and Signal Transduction, Division of Animal Physiology and Neurobiology, Department of Biology, KU Leuven, Naamsestraat 59, 3000 Leuven, Belgium; (S.R.); (S.V.d.B.); (J.V.B.)
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58
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Zhang J, Wu J. The Potential Roles of Exosomal miR-214 in Bone Metastasis of Lung Adenocarcinoma. Front Oncol 2021; 10:611054. [PMID: 33614495 PMCID: PMC7892948 DOI: 10.3389/fonc.2020.611054] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 12/18/2020] [Indexed: 01/08/2023] Open
Abstract
Bone metastasis is closely related to the alterations of bone microenvironment. In this article, we hypothesize that exosomes may be involved in the "vicious circle" by transferring miR-214. miR-214 is highly expressed in lung adenocarcinoma, and is closely related to the degree of lung cancer progression. As a key regulator of bone homeostasis, miR-214 promotes osteoclast differentiation and mediates intercellular communication between osteoclasts and osteoblasts via the way of exosomal miRNA. Therefore, it is highly probable that exosomal miR-214 derived from lung adenocarcinoma may disrupt bone homeostasis by enhancing bone resorption. Exosomal miR-214 can be released by lung adenocarcinoma cells, enters peripheral circulation, and is taken up by osteoclasts, consequently stimulating osteoclast differentiation. The enhanced bone resorption alters the bone microenvironment by releasing multiple cytokines and growth factors favoring cancer cells. The circulating cancer cells migrate to bone, proliferate, and colonize, resulting in the formation of metastasis. Furthermore, osteoclasts derived exosomal miR-214 may in turn contribute to cancer progression. In this way, the exosomal miR-214 from osteoclasts and lung adenocarcinoma cells mediates the positive interaction between bone resorption and bone metastasis. The levels of exosomal miR-214 in the peripheral circulation may help predict the risk of bone metastasis. The exosomal miR-214 may be a potential therapeutic target for both prevention and treatment of bone metastasis in patients with lung adenocarcinoma.
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Affiliation(s)
- Jian Zhang
- Institute of Laboratory Animal Science, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Jiangmei Wu
- School of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, China
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59
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Dong X, Bai X, Ni J, Zhang H, Duan W, Graham P, Li Y. Exosomes and breast cancer drug resistance. Cell Death Dis 2020; 11:987. [PMID: 33203834 PMCID: PMC7673022 DOI: 10.1038/s41419-020-03189-z] [Citation(s) in RCA: 108] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 10/21/2020] [Accepted: 10/23/2020] [Indexed: 12/12/2022]
Abstract
Drug resistance is a daunting challenge in the treatment of breast cancer (BC). Exosomes, as intercellular communicative vectors in the tumor microenvironment, play an important role in BC progression. With the in-depth understanding of tumor heterogeneity, an emerging role of exosomes in drug resistance has attracted extensive attention. The functional proteins or non-coding RNAs contained in exosomes secreted from tumor and stromal cells mediate drug resistance by regulating drug efflux and metabolism, pro-survival signaling, epithelial–mesenchymal transition, stem-like property, and tumor microenvironmental remodeling. In this review, we summarize the underlying associations between exosomes and drug resistance of BC and discuss the unique biogenesis of exosomes, the change of exosome cargo, and the pattern of release by BC cells in response to drug treatment. Moreover, we propose exosome as a candidate biomarker in predicting and monitoring the therapeutic drug response of BC and as a potential target or carrier to reverse the drug resistance of BC.
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Affiliation(s)
- Xingli Dong
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University, 150081, Harbin, Heilongjiang, China.,St George and Sutherland Clinical School, Faculty of Medicine, UNSW Sydney, Kensington, NSW, 2052, Australia
| | - Xupeng Bai
- St George and Sutherland Clinical School, Faculty of Medicine, UNSW Sydney, Kensington, NSW, 2052, Australia.,Cancer Care Centre, St. George Hospital, Kogarah, NSW, 2217, Australia
| | - Jie Ni
- St George and Sutherland Clinical School, Faculty of Medicine, UNSW Sydney, Kensington, NSW, 2052, Australia.,Cancer Care Centre, St. George Hospital, Kogarah, NSW, 2217, Australia
| | - Hao Zhang
- Institute of Precision Cancer Medicine and Pathology and Department of Pathology, Jinan University Medical College, 510630, Guangzhou, China
| | - Wei Duan
- School of Medicine and Centre for Molecular and Medical Research, Deakin University, Waurn Ponds, VIC, 3216, Australia
| | - Peter Graham
- St George and Sutherland Clinical School, Faculty of Medicine, UNSW Sydney, Kensington, NSW, 2052, Australia.,Cancer Care Centre, St. George Hospital, Kogarah, NSW, 2217, Australia
| | - Yong Li
- St George and Sutherland Clinical School, Faculty of Medicine, UNSW Sydney, Kensington, NSW, 2052, Australia. .,Cancer Care Centre, St. George Hospital, Kogarah, NSW, 2217, Australia. .,School of Basic Medicine Sciences, Zhengzhou University, 450001, Henan, China.
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60
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Yan L, Li Q, Sun K, Jiang F. MiR-4644 is upregulated in plasma exosomes of bladder cancer patients and promotes bladder cancer progression by targeting UBIAD1. Am J Transl Res 2020; 12:6277-6289. [PMID: 33194029 PMCID: PMC7653622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 08/01/2020] [Indexed: 06/11/2023]
Abstract
Exosome-encapsulated microRNAs (miRNAs) have been identified as potential cancer biomarkers and pro-tumorigenic mediators for several cancers. However, the miRNA profiling in BCa-Exo (exosomes from plasma of patients with bladder cancer) has not yet been explored. Hence, the aim of this study was to analyze the miRNA profiling in BCa-Exo and to explore the function and mechanism of the selected miR-4644 in BCa progression. Of the 8 differentially expressed miRNAs in BCa-Exo relative to NC-Exo (exosomes from plasma of normal control subjects), hsa-miR-4644 was the only upregulated (fold change >2.0, P<0.05) miRNA, which was further confirmed to be upregulated in plasma of BCa patients and BCa cell lines. Further in vitro assays demonstrated that miR-4644 mimic promoted, whereas miR-4644 inhibitor suppressed BCa cell proliferation and invasion. miR-4644 negatively regulated expression of UBIAD1 (UbiA prenyltransferase domain-containing protein 1) by directly binding to its 3'-UTR region. UBIAD1 overexpression effectively abrogated the promoting effects of miR-4644 mimic on BCa proliferation, migration, and invasion. Additionally, intratumoral injection of miR-4644 antagomir downregulated miR-4644 expression in tumors and suppressed tumorigenesis in mouse xenografts. Collectively, miR-4644 promotes BCa progression by targeting UBIAD1. miR-4644 may be an important therapeutic target for BCa treatment.
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Affiliation(s)
- Liang Yan
- Department of Urology, The First Affiliated Hospital of Zhengzhou University Zhengzhou 450000, China
| | - Qi Li
- Department of Urology, The First Affiliated Hospital of Zhengzhou University Zhengzhou 450000, China
| | - Ke Sun
- Department of Urology, The First Affiliated Hospital of Zhengzhou University Zhengzhou 450000, China
| | - Fan Jiang
- Department of Urology, The First Affiliated Hospital of Zhengzhou University Zhengzhou 450000, China
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61
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Exosomal Long Non-coding RNAs: Emerging Players in the Tumor Microenvironment. MOLECULAR THERAPY. NUCLEIC ACIDS 2020; 23:1371-1383. [PMID: 33738133 PMCID: PMC7940039 DOI: 10.1016/j.omtn.2020.09.039] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Recent advances in exosome biology have uncovered a significant role of exosomes in cancer and make them a determining factor in intercellular communication. Exosomes are types of extracellular vesicles that are involved in the communication between cells by exchanging various signaling molecules between the surrounding cells. Among various signaling molecules, long non-coding RNAs (lncRNAs), a type of non-coding RNA having a size of more than 200 nt in length and lacking protein-coding potential, have emerged as crucial regulators of intercellular communication. Tumor-derived exosomes containing various lncRNAs, known as exosomal lncRNAs, reprogram the microenvironment by regulating numerous cellular functions, including the regulation of gene transcription that favors cancer growth and progression, thus significantly determining the biological effects of exosomes. In addition, deregulated expression of lncRNAs is found in various human cancers and serves as a diagnostic biomarker to predict cancer type. The present review discusses the role of exosomal lncRNAs in the crosstalk between tumor cells and the surrounding cells of the microenvironment. Furthermore, we also discuss the involvement of exosomal lncRNAs within the tumor microenvironment in favoring tumor growth, metabolic reprogramming of tumor cells, and tumor-supportive autophagy. Therefore, lncRNAs can be used as a therapeutic target in the treatment of various human cancers.
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62
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O'Brien K, Breyne K, Ughetto S, Laurent LC, Breakefield XO. RNA delivery by extracellular vesicles in mammalian cells and its applications. Nat Rev Mol Cell Biol 2020; 21:585-606. [PMID: 32457507 PMCID: PMC7249041 DOI: 10.1038/s41580-020-0251-y] [Citation(s) in RCA: 978] [Impact Index Per Article: 244.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/15/2020] [Indexed: 02/06/2023]
Abstract
The term 'extracellular vesicles' refers to a heterogeneous population of vesicular bodies of cellular origin that derive either from the endosomal compartment (exosomes) or as a result of shedding from the plasma membrane (microvesicles, oncosomes and apoptotic bodies). Extracellular vesicles carry a variety of cargo, including RNAs, proteins, lipids and DNA, which can be taken up by other cells, both in the direct vicinity of the source cell and at distant sites in the body via biofluids, and elicit a variety of phenotypic responses. Owing to their unique biology and roles in cell-cell communication, extracellular vesicles have attracted strong interest, which is further enhanced by their potential clinical utility. Because extracellular vesicles derive their cargo from the contents of the cells that produce them, they are attractive sources of biomarkers for a variety of diseases. Furthermore, studies demonstrating phenotypic effects of specific extracellular vesicle-associated cargo on target cells have stoked interest in extracellular vesicles as therapeutic vehicles. There is particularly strong evidence that the RNA cargo of extracellular vesicles can alter recipient cell gene expression and function. During the past decade, extracellular vesicles and their RNA cargo have become better defined, but many aspects of extracellular vesicle biology remain to be elucidated. These include selective cargo loading resulting in substantial differences between the composition of extracellular vesicles and source cells; heterogeneity in extracellular vesicle size and composition; and undefined mechanisms for the uptake of extracellular vesicles into recipient cells and the fates of their cargo. Further progress in unravelling the basic mechanisms of extracellular vesicle biogenesis, transport, and cargo delivery and function is needed for successful clinical implementation. This Review focuses on the current state of knowledge pertaining to packaging, transport and function of RNAs in extracellular vesicles and outlines the progress made thus far towards their clinical applications.
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Affiliation(s)
- Killian O'Brien
- Molecular Neurogenetics Unit, Department of Neurology and Center for Molecular Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Koen Breyne
- Molecular Neurogenetics Unit, Department of Neurology and Center for Molecular Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Stefano Ughetto
- Molecular Neurogenetics Unit, Department of Neurology and Center for Molecular Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Oncology, University of Turin, Candiolo, Italy
| | - Louise C Laurent
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Diego, La Jolla, CA, USA.
- Sanford Consortium for Regenerative Medicine, University of California, San Diego, La Jolla, CA, USA.
| | - Xandra O Breakefield
- Molecular Neurogenetics Unit, Department of Neurology and Center for Molecular Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
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63
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Min J, Pan X, Lv G. The circRNA circ_0000291 acts as a sponge of microRNA 326 to regulate E26 transformation-specific sequence-1 expression and promote breast cancer progression. Pathol Int 2020; 70:953-964. [PMID: 32869935 DOI: 10.1111/pin.13011] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 08/06/2020] [Accepted: 08/11/2020] [Indexed: 12/13/2022]
Abstract
Accumulating studies authenticate that circular RNAs (circRNAs) are involved in the progression of cancers. However, their role in breast cancer (BC) remains largely unknown. In this study, real-time polymerase chain reaction was employed to detect the circ_0000291 and miR-326 expressions in BC tissues and cells. The correlation between the expression level of circ_0000291 and clinicopathological parameters of BC patients was analyzed. Western blot was used to detect the expression of E26 transformation-specific sequence-1 (ETS1), E-cadherin, N-cadherin and Vimentin in BC cells. Cell proliferation was measured using the cell counting kit-8 assay and the bromodeoxyuridine assay. Cell migration and invasion were detected by Transwell assay. The interactions between circ_0000291 and miR-326, miR-326 and ETS1 were verified using bioinformatics prediction, the dual-luciferase reporter gene assay or/and RNA binding protein immunoprecipitation assay. We demonstrated that circ_0000291 was significantly upregulated in BC, and its high expression was positively correlated with T stage and local lymph node metastasis. Functional assays validated that circ_0000291 promoted BC cell proliferation, migration and invasion. The mechanism studies indicated that circ_0000291 could decoy miR-326 and in turn upregulate the expression of ETS1. In conclusion, circ_0000291 is the novel oncogenic circRNA and promotes BC progression via modulating the miR-326/ETS1 axis.
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Affiliation(s)
- Jie Min
- Department of Breast and Thyroid, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Xue Pan
- Editorial Department of Chinese Journal of Endocrine Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Gang Lv
- Department of Breast and Thyroid, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
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Wong GL, Abu Jalboush S, Lo HW. Exosomal MicroRNAs and Organotropism in Breast Cancer Metastasis. Cancers (Basel) 2020; 12:E1827. [PMID: 32646059 PMCID: PMC7408921 DOI: 10.3390/cancers12071827] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 06/29/2020] [Accepted: 07/03/2020] [Indexed: 12/14/2022] Open
Abstract
Breast cancer is the most frequent malignancy for women in which one in eight women will be diagnosed with the disease in their lifetime. Despite advances made in treating primary breast cancer, there is still no effective treatment for metastatic breast cancer. Consequently, metastatic breast cancer is responsible for 90% of breast cancer-related deaths while only accounting for approximately one third of all breast cancer cases. To help develop effective treatments for metastatic breast cancer, it is important to gain a deeper understanding of the mechanisms by which breast cancer metastasizes, particularly, those underlying organotropism towards brain, bone, and lungs. In this review, we will primarily focus on the roles that circulating exosomal microRNAs (miRNAs) play in organotropism of breast cancer metastasis. Exosomes are extracellular vesicles that play critical roles in intercellular communication. MicroRNAs can be encapsulated in exosomes; cargo-loaded exosomes can be secreted by tumor cells into the tumor microenvironment to facilitate tumor-stroma interactions or released to circulation to prime distant organs for subsequent metastasis. Here, we will summarize our current knowledge on the biogenesis of exosomes and miRNAs, mechanisms of cargo sorting into exosomes, the exosomal miRNAs implicated in breast cancer metastasis, and therapeutic exosomal miRNAs.
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Affiliation(s)
- Grace L. Wong
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC 27101, USA; (G.L.W.); (S.A.J.)
| | - Sara Abu Jalboush
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC 27101, USA; (G.L.W.); (S.A.J.)
| | - Hui-Wen Lo
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC 27101, USA; (G.L.W.); (S.A.J.)
- Wake Forest Comprehensive Cancer Center, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA
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Meng L, Zhao Y, Bu W, Li X, Liu X, Zhou D, Chen Y, Zheng S, Lin Q, Liu Q, Sun H. Bone mesenchymal stem cells are recruited via CXCL8-CXCR2 and promote EMT through TGF-β signal pathways in oral squamous carcinoma. Cell Prolif 2020; 53:e12859. [PMID: 32588946 PMCID: PMC7445409 DOI: 10.1111/cpr.12859] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 05/19/2020] [Accepted: 05/27/2020] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVES Bone mesenchymal stem cells (BMSCs) play critical roles in tumour microenvironment. However, molecular mechanisms of how BMSCs to be recruited and effect subsequent tumour progression are poorly understood in oral squamous cell carcinoma (OSCC). MATERIALS AND METHODS The distribution of CXCL8 was detected by immunohistochemical staining in OSCC tissues. The chemotaxis of conditioned media from different epithelial cells to BMSCs was examined by trans-well assay. Real-time quantitative PCR (qPCR) and ELISA were used to detect the expression of related cytokines and chemokine receptors. The migration of BMSCs was observed in BALB/c nude mice. The roles of BMSCs in proliferation, migration and invasion of OSCC were detected by CCK-8, flow cytometry and trans-well assay. Epithelial-mesenchymal transition (EMT)-related markers were analysed by qPCR and Western blot in vitro, and growth was evaluated in BALB/c nude mice using subcutaneously implanted OSCC in nude mouse model in vivo. RESULTS Using OSCC, we show CXCL8, secreted by OSCC, binds to exclusively CXCR2 in BMSCs to facilitate migration of BMSCs to OSCC. TGF-β secreted by BMSCs subsequently induces EMT of OSCC to promote their proliferation, migration and infiltration. We also showed that the Ras/Raf/Erk axis plays a critical role in tumour progression. CONCLUSIONS Our results provide the molecular basis for BMSC recruitment into tumours, and how this process leads to tumour progression and leads us to develop a novel OSCC treatment target.
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Affiliation(s)
- Lin Meng
- Department of Oral Pathology, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Yueqi Zhao
- State Key Laboratory of Supramolecular Structure and Material, College of Chemistry, Jilin University, Changchun, China
| | - Wenhuan Bu
- School and Hospital of Stomatology, China Medical University, Shenyang, China
| | - Xing Li
- School and Hospital of Stomatology, China Medical University, Shenyang, China
| | - Xinchen Liu
- Department of Oral Pathology, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Dabo Zhou
- School and Hospital of Stomatology, China Medical University, Shenyang, China
| | - Yumeng Chen
- Department of Oral Pathology, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Shize Zheng
- Department of Oral Pathology, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Quan Lin
- State Key Laboratory of Supramolecular Structure and Material, College of Chemistry, Jilin University, Changchun, China
| | - Qilin Liu
- Department of Oral Pathology, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Hongchen Sun
- Department of Oral Pathology, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, China
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Aramini B, Masciale V, Haider KH. Defining lung cancer stem cells exosomal payload of miRNAs in clinical perspective. World J Stem Cells 2020; 12:406-421. [PMID: 32742559 PMCID: PMC7360993 DOI: 10.4252/wjsc.v12.i6.406] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 04/29/2020] [Accepted: 05/27/2020] [Indexed: 02/06/2023] Open
Abstract
Since the first publication regarding the existence of stem cells in cancer [cancer stem cells (CSCs)] in 1994, many studies have been published providing in-depth information about their biology and function. This research has paved the way in terms of appreciating the role of CSCs in tumour aggressiveness, progression, recurrence and resistance to cancer therapy. Targeting CSCs for cancer therapy has still not progressed to a sufficient degree, particularly in terms of exploring the mechanism of dynamic interconversion between CSCs and non-CSCs. Besides the CSC scenario, the problem of cancer dissemination has been analyzed in-depth with the identification and isolation of microRNAs (miRs), which are now considered to be compelling molecular markers in the diagnosis and prognosis of tumours in general and specifically in patients with non-small cell lung cancer. Paracrine release of miRs via “exosomes” (small membrane vesicles (30-100 nm), the derivation of which lies in the luminal membranes of multi-vesicular bodies) released by fusion with the cell membrane is gaining popularity. Whether exosomes play a significant role in maintaining a dynamic equilibrium state between CSCs and non-CSCs and their mechanism of activity is as yet unknown. Future studies on CSC-related exosomes will provide new perspectives for precision-targeted treatment strategies.
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Affiliation(s)
- Beatrice Aramini
- Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena 41124, Italy
| | - Valentina Masciale
- Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena 41124, Italy
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Wu J, Huang H, Huang W, Wang L, Xia X, Fang X. Analysis of exosomal lncRNA, miRNA and mRNA expression profiles and ceRNA network construction in endometriosis. Epigenomics 2020; 12:1193-1213. [PMID: 32462942 DOI: 10.2217/epi-2020-0084] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Aim: To investigate exosomal RNAs (long noncoding RNAs (lncRNAs), microRNAs (miRNAs) and messenger RNAs (mRNAs)) profiling and their related networks in endometriosis (EMs). Materials & methods: RNA sequence was performed in exosomes from ovarian endometriomas (EC), eutopic endometria (EU) and normal endometria (Control) stromal cells. The bioinformatics algorithms evaluated competing endogenous RNA (ceRNA) networks. The top-ranked ceRNA networks were confirmed by RT-PCR. Results: Overlapped differentially expressed 938 lncRNAs, 39 miRNAs and 1449 mRNAs were identified. 13 co-expression modules and 61 ceRNA networks were constructed. Conclusion: This study for the first time shows exosomal RNA biomarkers and lncRNA-related networks in EMs, which reveals a novel molecular mechanism of EMs and provides new resources for EM diagnosis and treatment.
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Affiliation(s)
- Jingni Wu
- Department of Obstetrics & Gynecology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Hongyan Huang
- Department of Obstetrics & Gynecology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Wei Huang
- Research Center of Carcinogenesis & Targeted Therapy, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China.,China The Higher Educational Key Laboratory for Cancer Proteomics & Translational Medicine of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Lei Wang
- NHC Key Laboratory of Carcinogenesis & The Key Laboratory of Carcinogenesis & Cancer Invasion of The Chinese Ministry of Education, Cancer Research Institute, School of Basic Medical Science, Central South University, Changsha, Hunan 410078, China
| | - Xiaomeng Xia
- Department of Obstetrics & Gynecology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Xiaoling Fang
- Department of Obstetrics & Gynecology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
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Tumor-Derived Exosomes in Immunosuppression and Immunotherapy. J Immunol Res 2020; 2020:6272498. [PMID: 32537468 PMCID: PMC7261328 DOI: 10.1155/2020/6272498] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 04/27/2020] [Accepted: 05/13/2020] [Indexed: 02/07/2023] Open
Abstract
Tumor-derived exosomes (TEX) are involved in cancer development, metastasis, and disease progression. They can modulate angiogenesis to elevate the malignant degree of tumor cells. TEX carry immunosuppressive factors affecting the antitumor activities of immune cells. Tumor cells as well as immune cells secrete immunologically active exosomes which affect intercellular communication, antigen presentation, activation of immune cells, and immune surveillance. Cell proliferation and immune response suppression create a favorable microenvironment for tumor. TEX can inhibit immune cell proliferation, induce apoptosis of activated CD8+ Teffs, suppress NK cell activity, interfere with monocyte differentiation, and promote Treg as well as MDSC expansion. Exosomes of microenvironment cells may also contribute to the development of drug resistance in cancer therapy. An important role of TEX in modulating the sensitivity of tumor cells to immunotherapy is a promising area of research to make the cancer therapy more successful.
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69
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Endometrial microRNAs and their aberrant expression patterns. Med Mol Morphol 2020; 53:131-140. [PMID: 32350620 DOI: 10.1007/s00795-020-00252-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Accepted: 04/12/2020] [Indexed: 12/15/2022]
Abstract
MicroRNAs (miRNAs) are a class of small noncoding RNAs that regulate gene expression. They play fundamental roles in several biological processes, including cell differentiation and proliferation, embryo development, organ development, and organ metabolism. Besides regulating the physiological processes, miRNAs regulate various pathological conditions such as tumors, metastases, metabolic diseases, and osteoporosis. Although several studies have been performed on miRNAs, only few studies have described the miRNA expression and functions in human reproductive tract tissues. During menstruation, the human endometrium undergoes extensive cyclic morphological and biochemical modifications before embryo implantation. In addition to the ovarian steroid hormones (estrogen and progesterone), endometrial autocrine or paracrine factors and embryo-derived signals play a significant role in endometrial functions. miRNAs are considered key regulators of gene expression in the human endometrium and implantation process, and their aberrant expression levels are associated with the development of various disorders, including tumorigenesis. In this review, we summarize the studies that show the role of miRNAs in regulating the physiological conditions of the endometrium and the implantation process and discuss the aberrant expression of miRNAs in ectopic pregnancy, endometriosis, and endometrial cancer.
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Prabhu KS, Raza A, Karedath T, Raza SS, Fathima H, Ahmed EI, Kuttikrishnan S, Therachiyil L, Kulinski M, Dermime S, Junejo K, Steinhoff M, Uddin S. Non-Coding RNAs as Regulators and Markers for Targeting of Breast Cancer and Cancer Stem Cells. Cancers (Basel) 2020; 12:cancers12020351. [PMID: 32033146 PMCID: PMC7072613 DOI: 10.3390/cancers12020351] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 01/27/2020] [Accepted: 02/02/2020] [Indexed: 02/07/2023] Open
Abstract
Breast cancer is regarded as a heterogeneous and complicated disease that remains the prime focus in the domain of public health concern. Next-generation sequencing technologies provided a new perspective dimension to non-coding RNAs, which were initially considered to be transcriptional noise or a product generated from erroneous transcription. Even though understanding of biological and molecular functions of noncoding RNA remains enigmatic, researchers have established the pivotal role of these RNAs in governing a plethora of biological phenomena that includes cancer-associated cellular processes such as proliferation, invasion, migration, apoptosis, and stemness. In addition to this, the transmission of microRNAs and long non-coding RNAs was identified as a source of communication to breast cancer cells either locally or systemically. The present review provides in-depth information with an aim at discovering the fundamental potential of non-coding RNAs, by providing knowledge of biogenesis and functional roles of micro RNA and long non-coding RNAs in breast cancer and breast cancer stem cells, as either oncogenic drivers or tumor suppressors. Furthermore, non-coding RNAs and their potential role as diagnostic and therapeutic moieties have also been summarized.
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Affiliation(s)
- Kirti S. Prabhu
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; (H.F.); (E.I.A.); (S.K.); (L.T.); (M.K.); (M.S.); (S.U.)
- Correspondence: ; Tel.: +974-4439-0966
| | - Afsheen Raza
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha 3050, Qatar; (A.R.); (S.D.)
| | | | - Syed Shadab Raza
- Department of Stem Cell Biology and Regenerative Medicine, Era University, Lucknow 226003, India;
| | - Hamna Fathima
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; (H.F.); (E.I.A.); (S.K.); (L.T.); (M.K.); (M.S.); (S.U.)
| | - Eiman I. Ahmed
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; (H.F.); (E.I.A.); (S.K.); (L.T.); (M.K.); (M.S.); (S.U.)
| | - Shilpa Kuttikrishnan
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; (H.F.); (E.I.A.); (S.K.); (L.T.); (M.K.); (M.S.); (S.U.)
- Qatar College of Pharmacy, Qatar University, Doha 3050, Qatar
| | - Lubna Therachiyil
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; (H.F.); (E.I.A.); (S.K.); (L.T.); (M.K.); (M.S.); (S.U.)
- Qatar College of Pharmacy, Qatar University, Doha 3050, Qatar
| | - Michal Kulinski
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; (H.F.); (E.I.A.); (S.K.); (L.T.); (M.K.); (M.S.); (S.U.)
| | - Said Dermime
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha 3050, Qatar; (A.R.); (S.D.)
| | - Kulsoom Junejo
- General Surgery Department, Hamad General Hospital, Hamad Medical Corporation, Doha 3050, Qatar;
| | - Martin Steinhoff
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; (H.F.); (E.I.A.); (S.K.); (L.T.); (M.K.); (M.S.); (S.U.)
- Department of Dermatology Venereology, Hamad Medical Corporation, Doha 3050, Qatar
- Department of Dermatology, Weill Cornell Medicine, Qatar Foundation, Education City, Doha 24144, Qatar
- Department of Medicine, Weill Cornell Medicine, New York, NY 10065, USA
| | - Shahab Uddin
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; (H.F.); (E.I.A.); (S.K.); (L.T.); (M.K.); (M.S.); (S.U.)
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Vetsika EK, Koukos A, Kotsakis A. Myeloid-Derived Suppressor Cells: Major Figures that Shape the Immunosuppressive and Angiogenic Network in Cancer. Cells 2019; 8:E1647. [PMID: 31847487 PMCID: PMC6953061 DOI: 10.3390/cells8121647] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Revised: 12/05/2019] [Accepted: 12/13/2019] [Indexed: 12/14/2022] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) constitute a vast population of immature myeloid cells implicated in various conditions. Most notably, their role in cancer is of great complexity. They exert immunosuppressive functions like hampering cancer immunity mediated by T lymphocytes and natural killer cells, while simultaneously they can recruit T regulatory cells to further promote immunosuppression, thus shielding tumor cells against the immune defenses. In addition, they were shown to support tumor invasion and metastasis by inducing vascularization. Yet again, in order to exert their angiogenic activities, they do have at their disposal a variety of occasionally overlapping mechanisms, mainly driven by VEGF/JAK/STAT signaling. In this concept, they have risen to be a rather attractive target for therapies, including depletion or maturation, so as to overcome cancer immunity and suppress angiogenic activity. Even though, many studies have been conducted to better understand these cells, there is much to be done yet. This article hopes to shed some light on the paradoxal complexity of these cells, while elucidating some of the key features of MDSCs in relation to immunosuppression and, most importantly, to the vascularization processes, along with current therapeutic options in cancer, in relation to MDSC depletion.
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Affiliation(s)
- Eleni-Kyriaki Vetsika
- Department of Medicine, pMEDgr, School of Health Sciences, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Aristeidis Koukos
- Laboratory of Translational Oncology, School of Medicine, University of Crete, P.O. Box 2208, 71003 Heraklion, Greece;
| | - Athanasios Kotsakis
- Department of Medicine, School of Health Sciences, University of Thessaly, 41334 Larissa, Greece
- Department of Medical Oncology, University General Hospital of Larissa, 41334 Larissa, Greece
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