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Duval C, Wyse BA, Tsang BK, Librach CL. Extracellular vesicles and their content in the context of polycystic ovarian syndrome and endometriosis: a review. J Ovarian Res 2024; 17:160. [PMID: 39103867 DOI: 10.1186/s13048-024-01480-7] [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: 04/30/2024] [Accepted: 07/18/2024] [Indexed: 08/07/2024] Open
Abstract
Extracellular vesicles (EVs), particles enriched in bioactive molecules like proteins, nucleic acids, and lipids, are crucial mediators of intercellular communication and play key roles in various physiological and pathological processes. EVs have been shown to be involved in ovarian follicular function and to be altered in two prevalent gynecological disorders; polycystic ovarian syndrome (PCOS) and endometriosis.Ovarian follicles are complex microenvironments where folliculogenesis takes place with well-orchestrated interactions between granulosa cells, oocytes, and their surrounding stromal cells. Recent research unveiled the presence of EVs, including exosomes and microvesicles, in the follicular fluid (FFEVs), which constitutes part of the developing oocyte's microenvironment. In the context of PCOS, a multifaceted endocrine, reproductive, and metabolic disorder, studies have explored the dysregulation of these FFEVs and their cargo. Nine PCOS studies were included in this review and two miRNAs were commonly reported in two different studies, miR-379 and miR-200, both known to play a role in female reproduction. Studies have also demonstrated the potential use of EVs as diagnostic tools and treatment options.Endometriosis, another prevalent gynecological disorder characterized by ectopic growth of endometrial-like tissue, has also been linked to aberrant EV signaling. EVs in the peritoneal fluid of women with endometriosis carry molecules that modulate the immune response and promote the establishment and maintenance of endometriosis lesions. EVs derived from endometriosis lesions, serum and peritoneal fluid obtained from patients with endometriosis showed no commonly reported biomolecules between the eleven reviewed studies. Importantly, circulating EVs have been shown to be potential biomarkers, also reflecting the severity of the pathology.Understanding the interplay of EVs within human ovarian follicles may provide valuable insights into the pathophysiology of both PCOS and endometriosis. Targeting EV-mediated communication may open avenues for novel diagnostic and therapeutic approaches for these common gynecological disorders. More research is essential to unravel the mechanisms underlying EV involvement in folliculogenesis and its dysregulation in PCOS and endometriosis, ultimately leading to more effective and personalized interventions.
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Affiliation(s)
- Cyntia Duval
- CReATe Fertility Center, Toronto, ON, Canada
- Department of Physiology, University of Toronto, Toronto, ON, Canada
| | | | - Benjamin K Tsang
- Inflammation and Chronic Disease Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
- Departments of Obstetrics and Gynecology & Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Clifford L Librach
- CReATe Fertility Center, Toronto, ON, Canada
- Department of Physiology, University of Toronto, Toronto, ON, Canada
- Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada
- Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON, Canada
- Sunnybrook Research Institute, Toronto, ON, Canada
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2
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Parvin A, Erabi G, Mohammadpour D, Maleki-Kakelar H, Sadeghpour S, Pashaei MR, Taheri-Anganeh M, Ghasemnejad-Berenji H. Infertility: Focus on the therapeutic potential of extracellular vesicles. Reprod Biol 2024; 24:100925. [PMID: 39018753 DOI: 10.1016/j.repbio.2024.100925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 05/28/2024] [Accepted: 07/05/2024] [Indexed: 07/19/2024]
Abstract
Infertility is a well-known problem that arises from a variety of reproductive diseases. Until now, researchers have tried various methods to restore fertility, including medication specific to the cause, hormone treatments, surgical removals, and assisted reproductive technologies. While these methods do produce results, they do not consistently lead to fertility restoration in every instance. The use of exosome therapy has significant potential in treating infertility in patients. This is because exosomes, microvesicles, and apoptotic bodies, which are different types of vesicles, play a crucial role in transferring bioactive molecules that aid in cell-to-cell communication. Reproductive fluids can transport a variety of molecular cargos, such as miRNAs, mRNAs, proteins, lipids, and DNA molecules. The percentage of these cargos in the fluids can be linked to their physiological and pathological status. EVs are involved in several physiological and pathological processes and offer interesting non-cellular therapeutic possibilities to treat infertility. EVs (extracellular vesicles) transplantation has been shown in many studies to be a key part of regenerating different parts of the reproductive system, including the production of oocytes and the start of sperm production. Nevertheless, the existing evidence necessitates testifying to the effectiveness of injecting EVs in resolving reproductive problems among humans. This review focuses on the current literature about infertility issues in both females and males, specifically examining the potential treatments involving extracellular vesicles (EVs).
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Affiliation(s)
- Ali Parvin
- Student Research Committee, Urmia University of Medical Sciences, Urmia, Iran
| | - Gisou Erabi
- Student Research Committee, Urmia University of Medical Sciences, Urmia, Iran
| | - Donna Mohammadpour
- Student Research Committee, Urmia University of Medical Sciences, Urmia, Iran
| | - Hadi Maleki-Kakelar
- Solid Tumor Research Center, Cellular and Molecular Medicine Research Institute, Urmia University of Medical Sciences, Urmia, Iran
| | - Sonia Sadeghpour
- Reproductive Health Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran; Department of Obstetrics & Gynecology, School of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Mohammad Reza Pashaei
- Department of Internal Medicine, School of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Mortaza Taheri-Anganeh
- Cellular and Molecular Research Center, Cellular and Molecular Medicine Research Institute, Urmia University of Medical Sciences, Urmia, Iran.
| | - Hojat Ghasemnejad-Berenji
- Reproductive Health Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran.
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3
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Javdani-Mallak A, Salahshoori I. Environmental pollutants and exosomes: A new paradigm in environmental health and disease. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 925:171774. [PMID: 38508246 DOI: 10.1016/j.scitotenv.2024.171774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 02/16/2024] [Accepted: 03/15/2024] [Indexed: 03/22/2024]
Abstract
This study investigates the intricate interplay between environmental pollutants and exosomes, shedding light on a novel paradigm in environmental health and disease. Cellular stress, induced by environmental toxicants or disease, significantly impacts the production and composition of exosomes, crucial mediators of intercellular communication. The heat shock response (HSR) and unfolded protein response (UPR) pathways, activated during cellular stress, profoundly influence exosome generation, cargo sorting, and function, shaping intercellular communication and stress responses. Environmental pollutants, particularly lipophilic ones, directly interact with exosome lipid bilayers, potentially affecting membrane stability, release, and cellular uptake. The study reveals that exposure to environmental contaminants induces significant changes in exosomal proteins, miRNAs, and lipids, impacting cellular function and health. Understanding the impact of environmental pollutants on exosomal cargo holds promise for biomarkers of exposure, enabling non-invasive sample collection and real-time insights into ongoing cellular responses. This research explores the potential of exosomal biomarkers for early detection of health effects, assessing treatment efficacy, and population-wide screening. Overcoming challenges requires advanced isolation techniques, standardized protocols, and machine learning for data analysis. Integration with omics technologies enhances comprehensive molecular analysis, offering a holistic understanding of the complex regulatory network influenced by environmental pollutants. The study underscores the capability of exosomes in circulation as promising biomarkers for assessing environmental exposure and systemic health effects, contributing to advancements in environmental health research and disease prevention.
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Affiliation(s)
- Afsaneh Javdani-Mallak
- Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Iman Salahshoori
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, Tehran, Iran; Department of Chemical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran.
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4
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Wang Y, Liu Q, Sun Q, Zheng L, Jin T, Cao H, Zhu C, Li L, Gong Y, Yang F, Dong W. Exosomes from porcine serum as endogenous additive maintain function of boar sperm during liquid preservation at 17 °C in vitro. Theriogenology 2024; 219:147-156. [PMID: 38430799 DOI: 10.1016/j.theriogenology.2024.02.015] [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: 07/26/2023] [Revised: 02/08/2024] [Accepted: 02/13/2024] [Indexed: 03/05/2024]
Abstract
The supplementation of sperm culture media with serum is quite common, and improves both sperm survival and motility. However, the link between serum and sperm remains poorly understood. The present study is the first investigation of the effects on sperm quality and function of endogenous porcine serum exosomes in medium used for culturing boar sperm. Scanning electron microscopy (SEM) confirmed that serum-derived exosomes from both castrated boars (cbsExos) and sows (ssExos) exhibited typical nanostructural morphology and expressed CD63, CD9, and Alix, as shown by Western blotting. At 17 °C, the progressive motility and membrane integrity of sperm were significantly increased after incubation of fresh boar semen for 7 days with cbsExos-4 (8 × 1010 particles/mL) or ssExos-16 (32 × 1010 particles/mL). Moreover, cbsExos-4 and ssExos-16 were found to be effective sperm additives, improving mitochondrial transmembrane potential (ΔΨm) and adenosine triphosphate (ATP) content, total antioxidant activity (T-AOC), superoxide dismutase (SOD) activity, and glutathione peroxidase (GPx) activity while reducing reactive oxygen species (ROS) levels, and malondialdehyde (MDA) content following preservation at 17 °C after a 5-day incubation. Both fluorescence and SEM showed that the serum exosomes bound directly to the sperm membrane, suggesting an interaction that could influence sperm-zona pellucida binding. Overall, this study provides new insights into the potential benefits of adding cbsExos and ssExos to enhance the quality of boar sperm during ambient temperature preservation, which may lead to advancements in sperm preservation strategies.
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Affiliation(s)
- Yang Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Qimin Liu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Qingfang Sun
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Lijuan Zheng
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Tianqi Jin
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Heran Cao
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Chao Zhu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Long Li
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Ye Gong
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China; Shaanxi Dayi Xunlong Biotechnology Co., LTD, Yangling, Shaanxi, 712100, China
| | - Fangxia Yang
- College of Forestry, Northwest A&F University, Yangling, Shaanxi, 712100, China; Biology Research Centre of Qin Mountains Wildlife, Northwest A&F University, Yangling, Shaanxi, 712100, China.
| | - Wuzi Dong
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China; Biology Research Centre of Qin Mountains Wildlife, Northwest A&F University, Yangling, Shaanxi, 712100, China.
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Gui LS, Dai TS, Guo XR, Wei SH, Ma ZM, Yang D, Ding BL, Xiang H, Yu YT, Dan XG. Recent advances in early pregnancy loss diagnosis in dairy cows: New approaches. Reprod Domest Anim 2024; 59:e14566. [PMID: 38627959 DOI: 10.1111/rda.14566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 03/20/2024] [Accepted: 04/03/2024] [Indexed: 04/19/2024]
Abstract
Early pregnancy loss is a primary cause of low reproductive rates in dairy cows, posing severe economic losses to dairy farming. The accurate diagnosis of dairy cows with early pregnancy loss allows for oestrus synchronization, shortening day open, and increasing the overall conception rate of the herd. Several techniques are available for detecting early pregnancy loss in dairy cows, including rectal ultrasound, circulating blood progesterone, and pregnancy-associated glycoproteins (PAGs). Yet, there is a need to improve on existing techniques and develop novel strategies to identify cows with early pregnancy loss accurately. This manuscript reviews the applications of rectal ultrasound, circulating blood progesterone concentration, and PAGs in the diagnosis of pregnancy loss in dairy cows. The manuscript also discusses the recent progress of new technologies, including colour Doppler ultrasound (CDUS), interferon tau-induced genes (ISGs), and exosomal miRNA in diagnosing pregnancy loss in dairy cows. This study will provide an option for producers to re-breed cows with pregnancy loss, thereby reducing the calving interval and economic costs. Meanwhile, this manuscript might also act as a reference for exploring more economical and precise diagnostic technologies for early pregnancy loss in dairy cows.
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Affiliation(s)
- Lin-Sen Gui
- College of Animal Science and Technology, Ningxia University, Yinchuan, Ningxia, China
| | - Tian-Shu Dai
- College of Animal Science and Technology, Ningxia University, Yinchuan, Ningxia, China
| | - Xing-Ru Guo
- College of Animal Science and Technology, Ningxia University, Yinchuan, Ningxia, China
| | - Shi-Hao Wei
- College of Animal Science and Technology, Ningxia University, Yinchuan, Ningxia, China
| | - Zi-Ming Ma
- College of Animal Science and Technology, Ningxia University, Yinchuan, Ningxia, China
| | - Di Yang
- College of Animal Science and Technology, Ningxia University, Yinchuan, Ningxia, China
| | - Bao-Long Ding
- College of Animal Science and Technology, Ningxia University, Yinchuan, Ningxia, China
| | - Hui Xiang
- College of Animal Science and Technology, Ningxia University, Yinchuan, Ningxia, China
| | - Yong-Tao Yu
- College of Animal Science and Technology, Ningxia University, Yinchuan, Ningxia, China
| | - Xin-Gang Dan
- College of Animal Science and Technology, Ningxia University, Yinchuan, Ningxia, China
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Dehghan Z, Rezaee D, Noori E, Pilehchi T, Saberi F, Taheri Z, Darya G, Mehdinejadiani S. Exosomes as modulators of embryo implantation. Mol Biol Rep 2024; 51:284. [PMID: 38324178 DOI: 10.1007/s11033-024-09282-2] [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: 12/12/2023] [Accepted: 01/23/2024] [Indexed: 02/08/2024]
Abstract
Exosomes, known as extracellular vehicles (EVs), are found in biological fluids. They have the capability to carry and transfer signaling molecules, such as nucleic acids and proteins, facilitating intercellular communication and regulating the gene expression profile in target cells. EVs have the potential to be used as biomarkers in diagnosis, prognosis and also as feasible therapeutic targets. The available evidence suggests that exosomes play critical roles in the reproductive system, particularly during implantation, which is widely recognized as a crucial step in early pregnancy. A proper molecular dialogue between a high-quality embryo and a receptive endometrium is essential for the establishment of a normal pregnancy. This review focuses on the key role of exosomes originated from various sources, including the embryo, seminal fluid, and uterus fluid, based on the available evidence. It explores their potential applications as a novel approach in assisted reproductive technologies (ART).
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Affiliation(s)
- Zeinab Dehghan
- Department of Comparative Biomedical Sciences, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Delsuz Rezaee
- School of Allied Medical Sciences, Ilam University of Medical Sciences, Ilam, Iran
| | - Effat Noori
- Department of Biotechnology, Faculty of Medicine, Shahed University, Tehran, Iran
| | - Tayyebeh Pilehchi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Student Research Committee, Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fatemeh Saberi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Student Research Committee, Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Taheri
- Department of Biology and Biotechnology, Pavia University, Pavia, Italy
| | - Gholamhossein Darya
- Department of Comparative Biomedical Sciences, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Shayesteh Mehdinejadiani
- Department of Reproductive Biology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran.
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Huang JP, Lin CH, Tseng CW, Chien MH, Lee HC, Yang KD. First-trimester urinary extracellular vesicles as predictors of preterm birth: an insight into immune programming. Front Cell Dev Biol 2024; 11:1330049. [PMID: 38357529 PMCID: PMC10864598 DOI: 10.3389/fcell.2023.1330049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 12/20/2023] [Indexed: 02/16/2024] Open
Abstract
Background: The programming of innate and adaptive immunity plays a pivotal role in determining the course of pregnancy, leading to either normal term birth (TB) or preterm birth (PB) through the modulation of macrophage (M1/M2) differentiation. Extracellular vesicles (EVs) in maternal blood, harboring a repertoire of physiological and pathological messengers, are integral players in pregnancy outcomes. It is unknown whether urinary EVs (UEVs) could serve as a non-invasive mechanistic biomarker for predicting PB. Methods: This study investigated first-trimester UEVs carrying M1 messengers with altered immune programming, aiming to discern their correlation to subsequent PB. A birth cohort comprising 501 pregnant women, with 40 women experiencing PB matched to 40 women experiencing TB on the same day, was examined. First-trimester UEVs were isolated for the quantification of immune mediators. Additionally, we evaluated the UEV modulation of "trained immunity" on macrophage and lymphocyte differentiations, including mRNA expression profiles, and chromatin activation modification at histone 3 lysine 4 trimethylation (H3K4me3). Results: We found a significant elevation (p < 0.05) in the particles of UEVs bearing characteristic exosome markers (CD9/CD63/CD81/syntenin) during the first trimester of pregnancy compared to non-pregnant samples. Furthermore, UEVs from PB demonstrated significantly heightened levels of MCP-1 (p = 0.003), IL-6 (p = 0.041), IL-17A (p = 0.007), IP-10 (p = 0.036), TNFα (p = 0.004), IL-12 (p = 0.045), and IFNγ (p = 0.030) relative to those from TB, indicative of altered M1 and Th17 differentiation. Notably, MCP-1 (>174 pg/mL) exhibited a sensitivity of 71.9% and specificity of 64.6%, and MCP-1 (>174 pg/mL) and IFNγ (>8.7 pg/mL) provided a higher sensitivity (84.6%) of predicting PB and moderate specificity of 66.7%. Subsequent investigations showed that UEVs from TB exerted a significant suppression of M1 differentiation (iNOS expression) and Th17 differentiation (RORrT expression) compared to those of PB. Conversely, UEVs derived from PB induced a significantly higher expression of chromatin modification at H3K4me3 with higher production of IL-8 and TNFα cytokines (p < 0.001). Implications: This pioneering study provides critical evidence for the early detection of altered M1 and Th17 responses within UEVs as a predictor of PB and early modulation of altered M1 and Th17 polarization associated with better T-cell regulatory differentiation as a potential prevention of subsequent PB.
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Affiliation(s)
- Jian-Pei Huang
- Department of Obstetrics and Gynecology, Mackay Memorial Hospital, Taipei, Taiwan
- Department of Medicine, Mackay Medical College, New Taipei City, Taiwan
- MacKay Junior College of Medicine, Nursing and Management, New Taipei City, Taiwan
| | - Chia-Hsueh Lin
- Department of Medical Research, Mackay Memorial Hospital, Taipei, Taiwan
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chih-Wen Tseng
- Department of Medical Research, Mackay Memorial Hospital, Taipei, Taiwan
| | - Ming-Hui Chien
- Department of Medical Research, Mackay Memorial Hospital, Taipei, Taiwan
| | | | - Kuender D. Yang
- Department of Medical Research, Mackay Memorial Hospital, Taipei, Taiwan
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Mackay Children’s Hospital, Taipei, Taiwan
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Wei X, Li X, Zhang Y, Wang J, Shen S. Advances in the Therapeutic Applications of Plant-Derived Exosomes in the Treatment of Inflammatory Diseases. Biomedicines 2023; 11:1554. [PMID: 37371649 DOI: 10.3390/biomedicines11061554] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 05/14/2023] [Accepted: 05/23/2023] [Indexed: 06/29/2023] Open
Abstract
Plant-derived exosomes (PLDEs) are small extracellular vesicles that encapsulate proteins, nucleic acids and lipids, and they are usually involved in intercellular communication and molecular transport in plants. PLDEs are widely used in the therapy of diseases due to their abundance and easy availability. The diverse roles of PLDEs, which include transportation of drugs, acting as biomarkers for diagnosis of diseases and their roles in different therapies, suggest that there is a need to fully understand all the mechanisms involved in order to provide the optimum conditions for their therapeutic use. This review summarizes the biogenesis, components and functions of PLDEs and focuses on their use as therapeutic agents in the treatment of inflammatory diseases. It also explores new ideas for novel approaches in which PLDEs could potentially help patients with inflammatory diseases in the future.
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Affiliation(s)
- Xiaofang Wei
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Xiuyu Li
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China
- Guangyuan Academy of Agricultural Sciences, Guangyuan 628017, China
| | - Yuejun Zhang
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Jian Wang
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi Key Laboratory of Animal Breeding and Disease Control, College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Shuibao Shen
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China
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