title: Editorial commentary: SMAD expression in the testis predicts age- and cell-specific responses to activin and TGFbeta.
authors.affiliation: Center for Biomedical Research, Population Council and Rockefeller University, 1230 York Avenue, New York, NY 10021, USA.
authors.forename: Daniel J
authors.initials: DJ
authors.lastname: Bernard
mesh_terms: D028341:Activins / Q000502:physiology*; D000818:Animals; D004268:DNA-Binding Proteins / Q000235:genetics*; D008297:Male; D051899:Smad2 Protein; D051900:Smad3 Protein; D013737:Testis / Q000166:cytology / Q000502:physiology*; D015534:Trans-Activators / Q000235:genetics*; D016212:Transforming Growth Factor beta / Q000502:physiology*
chemical_list: D004268:DNA-Binding Proteins; D051899:Smad2 Protein; D051900:Smad3 Protein; D015534:Trans-Activators; D016212:Transforming Growth Factor beta; D028341:Activins