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CAS No. | 129453-61-8 | Cat. No. | BCP03060 |
Name | Fulvestrant | ||
Synonyms | ZD9238; ZD-9238; ZD 9238; ICI 182780; ICI182780; ICI-182780; ZM182780; ZM 182780; ZM-182780; | ||
SMILES | |||
Chemical Name | |||
Formula | C32H47F5O3S | M. Wt | 606.77 |
Purity | 98% | Storage | Store at 4-8°C |
Description | Fulvestrant is an effective inhibitor of the growth of ER-positive MCF-7 (with IC50 of 0.29 nM) but with no effect on the growth of ER-negative BT-20 human breast cancer cells. Fulvestrant causes accumulation of cells in G0/G1 and also reduces the proportion of cells capable of continued DNA synthesis. Fulvestrant competitively inhibits binding of oestradiol to the estrogen receptor. Fulvestrant blocks nuclear localization of the ER through impairing receptor dimerisation, and energy-dependent nucleo-cytoplasmic shuttling. Because of the instability of fulvestrant-ER complex, the binding of Fulvestrant with ER finally results in accelerated degradation of the ER protein. Fulvestrant (10 nM) not only decreases IGF-IR mRNA levels but also decreases the half-life. Treatment with 100 μM Fulvestrant leads to a time dependent increase of TNFR1 and TRADD steady-state mRNA levels in MCF-7 cells. |
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