The Sperm Laboratory journal club on Spril 30, 2010: The speaker is Mr. Da-Hui Wang. Topic: The role of  p53 during spermatogenesis. This presentation was based on basic knowledge of p53 and a paper published on Cell Death and Differentiation, 1998, 5: 669-677. The title is "The role of the tumor suppressor p53 in spermatogenesis".