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Dong Y, Tamari K, Kishigami M, Katsuki S, Minami K, Tatekawa S, Shimizu S, Koizumi M, Ogawa K. Irradiated Cell-derived Exosomes Enhance Cell Proliferation and Radioresistance via the MAPK/Erk Pathway. Cancer Genomics Proteomics 2024; 21:12-17. [PMID: 38151290 PMCID: PMC10756343 DOI: 10.21873/cgp.20425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 11/20/2023] [Accepted: 11/23/2023] [Indexed: 12/29/2023] Open
Abstract
BACKGROUND/AIM Radiation therapy is pivotal in cancer treatment; however, its efficacy is limited by challenges such as tumor recurrence. This study delves into the role of exosomes, which are molecular cargo-bearing vesicles, in influencing cell proliferation, radioresistance, and consequent post-irradiation tumor recurrence. Given the significance of exosomes from irradiated malignancies in diagnostics and therapy, it is vital to delineate their functional dynamics, especially in breast and cervical cancer cell lines, where the impact of irradiation on exosome behavior remains enigmatic. MATERIALS AND METHODS Using MDA-MB-231 and HeLa cell lines, exosomes were isolated from the culture supernatant via ultracentrifugation. The bicinchoninic acid assay was used to measure exosome quantities in irradiated and non-irradiated cells. Radiosensitivity was assessed using colony formation assays, while the role of the MAPK/Erk signaling pathway in recipient cell proliferation and radioresistance was probed using western blotting. RESULTS Irradiated cells, in both MDA-MB-231 and HeLa lines, produced significantly more exosomes than their non-irradiated counterparts. Co-culturing irradiated cells with exosomes led to increased cell survival post-irradiation and enhanced cell proliferation in both cell lines. Western blotting indicated elevated p-Erk expression in such cells, underscoring the influence of the MAPK/Erk pathway in radioresistance and proliferation. CONCLUSION The study establishes a potential nexus between exosome secretion and tumor resurgence following radiotherapy. The spotlight falls on the MAPK/ERK signaling conduit as a key influencer. This new knowledge provides an innovative strategy for counteracting cancer recurrence after radiotherapy, emphasizing the importance of understanding the multifaceted roles of exosomes in this context.
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Affiliation(s)
- Yue Dong
- Department of Radiation Oncology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Keisuke Tamari
- Department of Radiation Oncology, Osaka University Graduate School of Medicine, Osaka, Japan;
| | - Maiko Kishigami
- Department of Medical Physics and Engineering, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Shohei Katsuki
- Department of Medical Physics and Engineering, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Kazumasa Minami
- Department of Medical Physics and Engineering, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Shotaro Tatekawa
- Department of Radiation Oncology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Shinichi Shimizu
- Department of Carbon Ion Radiotherapy, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Masahiko Koizumi
- Department of Medical Physics and Engineering, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Kazuhiko Ogawa
- Department of Radiation Oncology, Osaka University Graduate School of Medicine, Osaka, Japan
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Zhou R, Liu D. The function of exosomes in ovarian granulosa cells. Cell Tissue Res 2023; 394:257-267. [PMID: 37603064 DOI: 10.1007/s00441-023-03820-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 07/25/2023] [Indexed: 08/22/2023]
Abstract
Granulosa cells (GCs), as the basic components of ovarian tissue, play an indispensable role in maintaining normal ovarian functions such as hormone synthesis and ovulation. The abnormality of GCs often leads to ovarian endocrine disorders, which exert a negative effect on life quality and life expectancy. However, the pathogenesis and treatment of diseases are still poorly understood. Exosomes contain regulatory molecules and can transmit biological information in cell interaction. The role of exosomes in GCs has been studied extensively. This review summarizes the regulatory function of exosomes in GCs, as well as their participation in etiopathogenesis and their promising application in treatment when it comes to ovarian endocrine diseases, which can help us better understand ovarian diseases from the perspective of GCs.
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Affiliation(s)
- Ruotong Zhou
- Department of Endocrinology, First Affiliated Hospital of Dalian Medical University, Zhongshan Str.222, Dalian, 116011, Liaoning, China
| | - Dan Liu
- Department of Endocrinology, First Affiliated Hospital of Dalian Medical University, Zhongshan Str.222, Dalian, 116011, Liaoning, China.
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Wang M, Sun Y, Yuan D, Yue S, Yang Z. Follicular fluid derived exosomal miR-4449 regulates cell proliferation and oxidative stress by targeting KEAP1 in human granulosa cell lines KGN and COV434. Exp Cell Res 2023; 430:113735. [PMID: 37517590 DOI: 10.1016/j.yexcr.2023.113735] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 07/11/2023] [Accepted: 07/26/2023] [Indexed: 08/01/2023]
Abstract
Polycystic ovary syndrome (PCOS) is characterized by ovulatory dysfunction, hyperandrogenism, and polycystic ovary morphology, affecting more and more women of reproductive age. Our study aimed to explore the molecular mechanism and effect of exosomal miR-4449 on granulosa cells (GCs). Two immortalized human ovarian granulosa cells (KGN and COV434 cells) were used for in vitro functional studies. Our study found that follicular fluid (FF) derived exosomal miR-4449 was significantly decreased in women with PCOS compared with the control patients. And exosomal miR-4449 could alleviate GCs oxidative stress (OS) and promote GCs proliferation, while the opposite trend was observed after inhibiting the expression of miR-4449. In addition, we demonstrated that Kelch-like ECH-associated protein 1(KEAP1) was a direct target of miR-4449 through dual-luciferase reporter assay, and the expression patterns of KEAP1 and miR-4449 in PCOS FF-derived exosomes were exactly opposite. In addition, KEAP1/NRF2 signaling pathway may play an important role in GCs proliferation and OS. Our results demonstrated that the decreased FF-derived exosomal miR-4449 expression in PCOS might aggravate the OS of GCs and inhibit GCs proliferation via KEAP1/NRF2 signaling pathway. Exosomal miR-4449 might be a potential biomarker for the diagnosis of PCOS. Our study contributes to a new understanding of the pathogenesis of PCOS.
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Affiliation(s)
- Min Wang
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Yixuan Sun
- Department of Gynecology and Obstetrics, Women and Children's Hospital of Chongqing Medical University, Chongqing, 401147, China
| | - Dong Yuan
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Song Yue
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Zhu Yang
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China.
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Zhao Y, Wang Y, Ling Z, Xue Y, Luan D, Kang J, Zhang Y, Quan F. Low-density small extracellular vesicles in bovine follicular fluid carrying let-7i target FASLG to inhibit granulosa cells apoptosis. Theriogenology 2023; 199:121-130. [PMID: 36716593 DOI: 10.1016/j.theriogenology.2023.01.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 01/20/2023] [Accepted: 01/21/2023] [Indexed: 01/25/2023]
Abstract
Apoptosis of granulosa cells is a key factor in mammalian follicular atresia. It has a significant impact on oocyte development and maturation. Extracellular vesicles (EVs) are a group of highly heterogeneous population. Previous studies have found that ovarian follicular fluid is rich in EVs. In the present study, the follicular fluid of 3-5 mm follicles from bovine ovaries without corpus luteum was collected, and a subtype of small EVs (sEVs), low-density small EVs (LD-sEVs), was successfully isolated by differential ultracentrifugation combined with iodixanol density gradient centrifugation. LD-sEVs were identified using transmission electron microscope, nanoparticle tracking analysis and Western blot. Flow cytometry, Quantitative reverse transcription PCR (RT-qPCR), Western blot, and other methods were used to detect the effect of LD-sEVs on follicular granulosa cell apoptosis. After that, let-7i, a highly expressed miRNA component in LD-sEVs, was screened and target validation was carried out in granulosa cells. The results showed that LD-sEVs could be taken up by granulosa cells and inhibited the apoptosis. Further research found that let-7i inhibits the apoptosis of granulosa cells by targeting FASLG. It plays an important role in regulating the apoptosis of follicular granulosa cells, which may affect follicular development.
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Affiliation(s)
- Yunqi Zhao
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shanxi, China
| | - Ying Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shanxi, China
| | - Zimeng Ling
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shanxi, China
| | - Yaxing Xue
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shanxi, China
| | - Deji Luan
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shanxi, China
| | - Jian Kang
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shanxi, China
| | - Yong Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shanxi, China.
| | - Fusheng Quan
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shanxi, China.
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5
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Gonzalez Fernandez J, Moncayo Arlandi J, Ochando A, Simon C, Vilella F. The role of extracellular vesicles in intercellular communication in human reproduction. Clin Sci (Lond) 2023; 137:281-301. [PMID: 36762584 DOI: 10.1042/cs20220793] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 01/19/2023] [Accepted: 01/30/2023] [Indexed: 02/11/2023]
Abstract
Embryo-maternal cross-talk has emerged as a vitally important process for embryo development and implantation, which is driven by secreted factors and extracellular vesicles (EVs). The EV cargo of bioactive molecules significantly influences target cells and primes them for critical stages of reproductive biology, including embryo development, adhesion, and implantation. Recent research has suggested that EVs and their cargo represent a powerful non-invasive tool that can be leveraged to assess embryo and maternal tissue quality during assisted reproduction treatments. Here, we review the current scientific literature regarding the intercellular cross-talk between embryos and maternal tissues from fertilization to implantation, focusing on human biology and signaling mechanisms identified in animal models.
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Affiliation(s)
- Javier Gonzalez Fernandez
- Carlos Simon Foundation, INCLIVA Health Research Institute, C/ Eduardo Primo Yúfera 3, 46012, Valencia, Spain
| | - Javier Moncayo Arlandi
- Carlos Simon Foundation, INCLIVA Health Research Institute, C/ Eduardo Primo Yúfera 3, 46012, Valencia, Spain
| | - Ana Ochando
- Carlos Simon Foundation, INCLIVA Health Research Institute, C/ Eduardo Primo Yúfera 3, 46012, Valencia, Spain
| | - Carlos Simon
- Carlos Simon Foundation, INCLIVA Health Research Institute, C/ Eduardo Primo Yúfera 3, 46012, Valencia, Spain
| | - Felipe Vilella
- Carlos Simon Foundation, INCLIVA Health Research Institute, C/ Eduardo Primo Yúfera 3, 46012, Valencia, Spain
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Rampin A, Carrabba M, Mutoli M, Eman CL, Testa G, Madeddu P, Spinetti G. Recent Advances in KEAP1/NRF2-Targeting Strategies by Phytochemical Antioxidants, Nanoparticles, and Biocompatible Scaffolds for the Treatment of Diabetic Cardiovascular Complications. Antioxid Redox Signal 2022; 36:707-728. [PMID: 35044251 DOI: 10.1089/ars.2021.0134] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Significance: Modulation of nuclear factor (erythroid-derived 2)-like 2 (Nrf2)-mediated antioxidant response is a key aspect in the onset of diabetes-related cardiovascular complications. With this review, we provide an overview of the recent advances made in the development of Nrf2-targeting strategies for the treatment of diabetes, with particular attention toward the activation of Nrf2 by natural antioxidant compounds, nanoparticles, and oxidative stress-modulating biocompatible scaffolds. Recent Advances: In the past 30 years, studies addressing the use of antioxidant therapies to treat diabetes have grown exponentially, showing promising but yet inconclusive results. Animal studies and clinical trials on the Nrf2 pathway have shown promising results, suggesting that its activation can delay or reverse some of the cardiovascular impairments in diabetes. Critical Issues: Hyperglycemia- and oscillating glucose levels-induced reactive oxygen species (ROS) accumulation is progressively emerging as a central factor in the onset and progression of diabetes-related cardiovascular complications, including endothelial dysfunction, retinopathy, heart failure, stroke, critical limb ischemia, ulcers, and delayed wound healing. In this context, accumulating evidence suggests a central role for Nrf2-mediated antioxidant response, one of the most studied cellular defensive mechanisms against ROS accumulation. Future Directions: Innovative approaches such as tissue engineering and nanotechnology are converging toward targeting oxidative stress in diabetes. Antioxid. Redox Signal. 36, 707-728.
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Affiliation(s)
- Andrea Rampin
- Laboratory of Cardiovascular Physiopathology-Regenerative Medicine, IRCCS MultiMedica, Milan, Italy
| | - Michele Carrabba
- Laboratory of Experimental Cardiovascular Medicine, University of Bristol, Bristol, England, United Kingdom
| | - Martina Mutoli
- Laboratory of Cardiovascular Physiopathology-Regenerative Medicine, IRCCS MultiMedica, Milan, Italy
| | - Charlotte L Eman
- Laboratory of Cardiovascular Physiopathology-Regenerative Medicine, IRCCS MultiMedica, Milan, Italy
| | - Gianluca Testa
- Department of Medicine and Health Sciences, "V. Tiberio" University of Molise, Campobasso, Italy.,Interdepartmental Center for Nanotechnology Research-NanoBem, University of Molise, Campobasso, Italy
| | - Paolo Madeddu
- Laboratory of Experimental Cardiovascular Medicine, University of Bristol, Bristol, England, United Kingdom
| | - Gaia Spinetti
- Laboratory of Cardiovascular Physiopathology-Regenerative Medicine, IRCCS MultiMedica, Milan, Italy
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Liu K, Yang W, Hu M, Xie W, Huang J, Cui M, He X, Nie X. Exosomal miR-27 negatively regulates ROS production and promotes granulosa cells apoptosis by targeting SPRY2 in OHSS. J Cell Mol Med 2021; 25:3976-3990. [PMID: 33638619 PMCID: PMC8051746 DOI: 10.1111/jcmm.16355] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 01/06/2021] [Accepted: 01/30/2021] [Indexed: 01/02/2023] Open
Abstract
Ovarian hyperstimulation syndrome (OHSS) is one of the most dangerous iatrogenic complications in controlled ovarian hyperstimulation (COH). The exact molecular mechanism that induces OHSS remains unclear. In recent years, accumulating evidence found that exosomal miRNAs participate in many diseases of reproductive system. However, the specific role of miRNAs, particularly the follicular fluid-derived exosomal miRNAs in OHSS remains controversial. To identify differentially expressed follicular fluid exosomal miRNAs from OHSS and non-OHSS patients, the analysis based on miRNA-sequence was conducted. The levels of 291 miRNAs were significantly differed in exosomes from OHSS patients compared with normal control, and exosomal miR-27 was one of the most significantly down-regulated miRNAs in the OHSS group. By using MiR-27 mimic, we found it could increase ROS stress and apoptosis by down-regulating the expression of p-ERK/Nrf2 pathway by negatively regulating SPRY2. These data demonstrate that exosomal miRNAs are differentially expressed in follicular fluid between patients with and without OHSS, and follicular fluid exosomal miR-27 may involve in the pathological process of OHSS development.
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Affiliation(s)
- Kailu Liu
- Department of Reproductive Medicine, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Weijie Yang
- Assisted Reproduction Unit, Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Mengting Hu
- State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.,State Key Laboratory of Reproductive Medicine, Clinical Center for Reproductive Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - WenXiu Xie
- State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China
| | - Jingyu Huang
- Department of Reproductive Medicine, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Meiting Cui
- Department of Reproductive Medicine, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Xi He
- Department of Human Anatomy and Histoembryology, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xiaowei Nie
- Department of Reproductive Medicine, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
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