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Article Dans Une Revue Basic and clinical andrology Année : 2021

Extra-cellular vesicles of the male genital tract: new actors in male fertility?

Résumé

Extracellular Vesicles (EVs) are membrane-limited particles containing proteins, lipids, metabolites and nucleic acids that are secreted by healthy and cancerous cells. These vesicles are very heterogeneous in size and content and mediate a variety of biological functions. Three subtypes of EV have been described in the male genital tract: microvesicles, myelinosomes and exosomes. Each type of EVs depends on the location of secretion such as the testis, prostate or epididymis. It has been shown that EVs can fuse together and deliver information to recipient cells, for example spermatozoa in the male genital tract. Cryo-electron microscopy remains the reference technique for determining EV morphology, but quantifying the absolute concentration of these EVs in biological fluids remains a challenge from a clinical point of view. The field of bio detection has considerably increased with the introduction of nanomaterials in biosensors and will provide a better understanding of the impact of these EVs. However, functional modifications of male gametes result from interactions with the components of the intraluminal fluid all along the genital tract and depend on the secretion and absorption of proteins and lipids from the local microenvironment. We cannot therefore exclude the possibility of epigenetic modulation of the information that will be transmitted to the embryo and therefore to the next generation via EVs.
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hal-03390562 , version 1 (21-10-2021)

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Anne-Sophie Neyroud, Régina Chiechio, Marina Yefimova, Maria Josè Lo Faro, Nathalie Dejucq-Rainsford, et al.. Extra-cellular vesicles of the male genital tract: new actors in male fertility?. Basic and clinical andrology, 2021, 31 (1), pp.25. ⟨10.1186/s12610-021-00141-9⟩. ⟨hal-03390562⟩
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