Carcinoma, Ehrlich TumorMastocytomaGerminomaCell CycleTesticular NeoplasmsKineticsGranulosa Cell TumorGiant Cell Tumor of BoneCell Line, TumorGiant Cell TumorsNeoplasms, Germ Cell and EmbryonalGranular Cell TumorCell Cycle ProteinsSertoli Cell TumorTumor Cells, CulturedLeydig Cell TumorCell DivisionTumor Markers, BiologicalNeoplasms, ExperimentalSeminomaCell Cycle Checkpoints