產(chǎn)品目錄

規(guī)格	5mg 25mg
CAS	1474034-05-3
別名	N/A
化學(xué)名	N/A
分子式	C33H44F2N2O3
分子量	554.71
溶解度	≥ 55.5mg/mL in DMSO, ≥ 25.05mg/mL in EtOH
儲(chǔ)存條件	Store at -20°C
General tips	For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.
Shipping Condition	Evaluation sample solution : ship with blue ice All other available size: ship with RT , or blue ice upon request

產(chǎn)品描述：

RTA-408 is an antioxidant inflammation modulator (AIM), which activates Nrf2 and suppresses nitric oxide (NO). RTA-408 attenuates osteoclastogenesis by inhibiting STING dependent NF-κb signaling.

To evaluate the anti-inflammatory activity of RTA-408, RAW 264.7 mouse macrophage cells are treated with RTA-408 for two hours and then IFNγ is added to stimulate NO production and release into the media. RTA-408 dose-dependently reduces NO concentrations in the media with an IC50 value of 4.4±1.8 nM. The potency of RTA-408 in this assay is similar to that of Bardoxolone methyl, which has an IC50 value of 1.9±0.8 nM. Nrf2 activation is required for AIM-mediated NO suppression. A decrease in nitric oxide synthase 2 (Nos2) protein levels is observed in bardoxolone methyl-treated RAW 264.7 cells, which is attenuated when Nrf2 mRNA levels are reduced by siRNA. To evaluate the anticancer activity of RTA-408, a panel of eight human cell lines derived from tumors of different origin are treated with RTA-408 and measured cell growth 72 hours later using the sulforhodamine B (SRB) assay. RTA-408 inhibits the growth of all tumor lines with an average GI50 value of 260±74 nM. To determine whether RTA-408 induces apoptosis, the panel of tumor cells are treated with RTA-408 and the caspase substrate, DEVD-AFC, for 24 hours. RTA-408 dose-dependently increases DEVD-AFC cleavage, indicating that RTA-408 treatment triggers caspase activation in cancer cells. Caspase-3 and caspase-9 cleavage is also observed by western blot at the same concentrations of RTA-408 that increases DEVD-AFC cleavage[1].

To determine whether RTA-408 is an effective mitigator of hematopoietic acute radiation syndrome after bone marrow-lethal doses of total-body irradiation (TBI), mice are administered 3 daily injections of 17.5 mg/kg RTA-408 beginning 24 h after TBI. Teatment with RTA-408 results in the 35 day survival of 100% of 7 Gy (LD40/35) TBI mice (P<0.05) and 60% of 7.5 Gy (LD100/13) TBI mice (P<0.0001)[2].

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原創(chuàng)作者：上海莼試生物技術(shù)有限公司

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