Perivascular Epithelioid Cell NeoplasmsEpithelioid CellsMastocytomaGerminomaRound LigamentMelanoma-Specific AntigensCell CycleTesticular NeoplasmsEpithelial CellsTomography, X-Ray ComputedGranulosa Cell TumorCell Line, TumorGiant Cell Tumor of BoneGiant Cell TumorsNeoplasms, Germ Cell and EmbryonalCell Cycle ProteinsGranular Cell TumorSertoli Cell TumorTumor Cells, CulturedLeydig Cell TumorCell DivisionCell LineCell ProliferationEpitheliumTumor Markers, BiologicalApoptosisCell Cycle CheckpointsCells, CulturedImmunohistochemistryRNA, MessengerSeminomaTumor Suppressor Protein p53Neoplasms, ExperimentalSignal TransductionTumor Necrosis Factor-alpha