Tao Xiong

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BACKGROUND To isolate and characterization of human spermatogonial stem cells from stem spermatogonium. METHODS The disassociation of spermatogonial stem cells (SSCs) were performed using enzymatic digestion of type I collagenase and trypsin. The SSCs were isolated by using Percoll density gradient centrifugation, followed by differential(More)
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