期刊论文详细信息
FEBS Letters
Stimulation of protein accumulation in HeLa cells by inhibitors of DNA replication
Miller, A.O.A.1  Hanotte, O.1  Menozzi, F.D.1 
[1] Laboratoire de Biochimie Moléculaire, Faculté de Médecine - Université de l'Etat 24, avenue du Champ de Mars, 7000 Mons, Belgium
关键词: Ferritin;    Cell synchronization;   
DOI  :  10.1016/0014-5793(85)80077-6
学科分类:生物化学/生物物理
来源: John Wiley & Sons Ltd.
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【 摘 要 】

Incubation of HeLa cells for 24 h with either hydroxyurea (HU), aphidicolin (APHI), thymidine (T) or butyrate (BU), substances used to inhibit replication and accumulate cells at the G1/S interphase, followed by the elimination of the inhibitor and the addition of iron to the growth medium, results in an immediate (HU, APHI, T) or slightly delayed (BU) increased accumulation (18–24-fold higher than the basal level) of ferritin. Under the same experimental circumstances, 5-azacytidine is without effect. As a result of the action of these inhibitors on the structure of DNA, it is proposed that ferritin genes remain accessible to RNA polymerase allowing the accumulation in the cytoplasm of mature ferritin mRNA ready to be mobilized by iron for the production of ferritin molecules.

【 授权许可】

Unknown   

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