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Spermatogenesis is a highly orchestrated dynamic developmental process, during which piRNAs play an indispensable role. Our previous studies have confirmed that the levels of piR‐1207 and piR‐2107 were significantly decreased in spermatozoa and seminal plasma of patients with asthenozoospermia, compared with the fertile controls. In order to explore the function of piR‐1207 and piR‐2107 in human spermatogenesis...
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