AntimetabolitesAntimetabolites, AntineoplasticImmunosuppressive AgentsTetrahydrouridineFloxuridineTrabeculectomyInosine MonophosphatePhosphoribosyl PyrophosphateFluorouracilMethotrexate6-MercaptopurineMitomycinLeukemia L1210Folic Acid AntagonistsCytarabineImmunosuppressionPurinesAntineoplastic AgentsCyclosporineTacrolimusDrug SynergismDrug Screening Assays, AntitumorDeoxycytidineDrug Evaluation, PreclinicalCell SurvivalAzathioprineNeoplasmsMycophenolic AcidTumor Cells, CulturedCell DivisionKidney TransplantationGraft RejectionCell CycleImmune ToleranceCell LineCyclosporinsKineticsT-LymphocytesAntilymphocyte SerumGraft SurvivalSirolimusLymphocyte ActivationCalcineurinTransplantation, HomologousOrgan TransplantationPrednisoloneAnemia, Aplastic