产品
编 号:F384291
分子式:C22H28N6O8
分子量:504.49
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10mM*1mL in DMSO
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询价
1mg
150
In-stock
5mg
300
In-stock
10mg
480
In-stock
50mg
1200
In-stock
100mg
2000
In-stock
200mg
3400
In-stock
500mg
5200
In-stock
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生物活性:
Tofacitinib citrate is an orally available JAK1/2/3 inhibitor with IC50s of 1, 20, and 112 nM, respectively. Tofacitinib citrate has antibacterial, antifungal and antiviral activities.

体内研究:
Animals that are treated with Tofacitinib show a significantly lower production of anti-drug antibodies (ADAs) compare with PEG-treated control mice (for five weeks after initial immunization, p<0.01, n=8). Moreover ADAs become detectable earliest on day 28. A difference of 1000- to 200-fold in titers to SS1P is apparent from days 21 through 35, respectively. Compare to SS1P, mice injected with keyhole limpet hemocyanin (KLH) generate a more rapid antibody response. Yet, the administration of Tofacitinib reduces anti-KLH titers compare to controls (p<0.05 on day 21, p4 hours.

体外研究:
Tofacitinib (CP-690550) citrate binds potentially at JAK3 and JAK2 as 2.2 nM and 5 nM (Kd). The report includes additional binding for Tofacitinib at Camk1 (Kd of 5,000 nM), DCamkL3 (Kd of 4.5 nM), Mst2 (Kd of 4,300 nM), Pkn1 (Kd of 200 nM), Rps6ka2 (Kin.Dom.2-C-terminal) (Kd of 1,400 nM), Rps6ka6 (Kin.Dom.2-C-terminal) (Kd of 1,200 nM), Snark (Kd of 420 nM), Tnk1 (Kd of 640 nM) and Tyk2 (Kd of 620 nM). K562, KCL22, and THP-1 cells are exposed to different doses of STI571 or JAK inhibitors for 72 h to quantify the effects of tyrosine kinase inhibitor (TKI) activity. Cell growth inhibition is then evaluated using the MTT assay. The proliferation of K562 and KCL22 cells, but not THP-1 cells, is inhibited by IMA in a concentration-dependent manner. The IC50 value of IMA is 0.28 μM for K562 and 0.17 μM for KCL22. Although treatment with Tofacitinib (TOF) or INCB018424 alone does not suppress cell proliferation, both Tofacitinib and INCB018424 make the K562 and KCL22 more sensitive to IMA.
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