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38819-10-2Nc1nc2c(ncn2[C@@H]2O[C@H](CO)[C@@H](O)[C@@H]2O)c(=O)[nH]1NYHBQMYGNKIUIF-FJFJXFQQSA-N38819-10-2DTXSID301019130CHEMBL240933CHEBI:73141Sicherheitsangaben dienen nur zur Orientierung und ersetzen weder das Sicherheitsdatenblatt (SDB) des Lieferanten noch geltende Vorschriften oder eine fachliche Bewertung.
BeschreibungAra-G is an analog of the nucleoside guanosine and an active metabolite of nelarabine . Ara-G accumulates in T lymphoblasts and malignant T-lymphoid cells, where it is phosphorylated to produce ara-GTP and incorporated into the DNA. Ara-G inhibits DNA replication by 92% after 30 minutes when used at a concentration of 50 μM in CEM cells, which are used as a model for human T lymphoblasts. It also halts the cell cycle at the sub-G1 phase and induces apoptosis in CEM cells. Syngeneic bone marrow containing 6C3HED tumor cells treated with ara-G (100 mM) ex vivo prior to transplantation increases survival of lethally irradiated mice and induces reconstitution of lymphoid, myeloid, and erythroid cell linages.
DefinitionChEBI: A purine nucleoside in which guanine is attached to arabinofuranose via a beta-N9-glycosidic bond. It inhibits DNA synthesis and causes cell death.
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