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NI-57

CAS No. : 1883548-89-7

產(chǎn)品活性：NI-57 is an inhibitor of bromodomain and plant homeodomain finger-containing (BRPF) famlily of proteins, with IC₅₀s of 3.1, 46 and 140 nM for BRPF1, BRPF2 (BRD1) and BRPF3, respectively.

研究領(lǐng)域：Epigenetics

作用靶點(diǎn)：Epigenetic Reader Domain

In Vitro: NI-57 is an inhibitor of bromodomain and plant homeodomain finger-containing (BRPF), with IC₅₀s of 3.1, 46 and 140 nM for BRPF1, BRPF2 (BRD1) and BRPF3, respectively. NI-57 binds the BRD of BRPF1 with a K_d of 31 ± 2 nM, BRD1 with a K_d of 110 ± 13 nM, and BRPF3 with a K_d of 410 ± 47 nM, whereas binding to BRD9 is weaker (K_d 1000 ± 130 nM) measured by isothermal titration calorimetry. NI-57 shows less active effect on BRD9 (IC₅₀, 520 nM) and BRD4 (BD1) (IC₅₀, 3700 nM), TRIM24 (IC₅₀, 1600 nM). NI-57 also inhibits BRPF BRDs in the nucleus, but shows little effect on the proliferation of many cancer cell lines with GI₅₀s of 10.4 μM (NCI-H1703 cells), 14.7 μM (DMS114), 15.6 μM (HRA-19), and 16.6 μM (RERF-LC-Sq1). Furthermore, Inhibition on BRPF1 of NI-57 (10 μM) reduces the gene expression of CCL-22 by 27.7 ± 9.4%.

In Vivo: NI-57 has favorable oral bioavailability in mice.

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