Fig. 4From: Human AZFb deletions cause distinct testicular pathologies depending on their extensions in Yq11 and the Y haplogroup: new cases and review of literatureImmunohistochemical staining of human testis tissue sections with specific CREM antibodies marks predominant expression of CREM in postmeiotic spermatids as described in ref. [42]. a CREM expression in spermatids (spd; see arrow) of testicular tissue section of man with normal fertility and b in spermatids of testicular tissue section of AZFG620 with “non classical” AZFb deletion including all AZFb Y genes. Scale bars: 50 µmBack to article page