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MedChemExpress LLC
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1 mg
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PTP1B-IN-3 diammonium
CAS No. : 2702673-78-5
MCE 国际站:PTP1B-IN-3 diammonium
产品活性:PTP1B-IN-3 diammonium 是有效的,有选择性的 PTP1B 抑制剂,对 PTP1B 和 TCPTP 的 IC50 值均为 120 nM。PTP1B-IN-3 diammonium 具有抗糖尿病和抗癌作用。
研究领域:Metabolic Enzyme/Protease
作用靶点:Phosphatase
In Vivo: In diet-induced obese (DIO) mice, PTP1B-IN-3 (compounds 3g) exhibits dose dependent inhibition (60%, 80% and 100% inhibition at 1, 3 and 10 mg/kg, respectively) of glucose excursion when given orally 2 h before oral glucose challenge with an estimated ED50 of 0.8 mg/kg.
In the NDL2 Ptpn1 transgenic mice, PTP1B-IN-3 (compounds 3g; orally; 30 mg/kg for 21 days) shows a significant delay in the onset of tumor development in NDL2 Ptpn1+/+ mice, extending the median tumor free days (T50) from 28 days to 75 days.
In diet-induced obese (DIO) mice, PTP1B-IN-3 (compounds 3g) exhibits good oral bioavailability (F of 24%), slow clearance (CL of 0.71 mL/kg/min), and good elimination half live (t1/2 of 6 h). The oral bioavailability in higher species such as rats (F of 4%) and squirrel monkeys (F of 2%) are substantially lower but excellent exposures are achieved with oral dosing.
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文献和实验Regulation of protein activity through the oxidation and reduction of cysteines is emerging as an important mechanism in the control of cell-signaling pathways. Protein tyrosine phosphatase 1B (PTP1B), for example, is reversibly inhibited
我是不是忘了告诉你,VEGF信号通路居然还有个从外到里套路……
2的内化,倒是挺别致的。VEGFR2在结合上一个VEGF后,会和另一个非酪氨酸激酶Neuropilin-1和synectin结合(对应的VEGFR2是酪氨酸激酶受体,RTK),然后包如膜体中,被内吞到细胞质里,然后VEGFR2自磷酸化后,激活更多下游信号通路:在转运过程中,Neuropilin-1在膜外会结合Rab5以及马达蛋白Myosin VI,然后沿着Actin转运:在转运过程中VEGFR2上的Y1175磷酸化位点附近会结合上PTP1b,遮蔽掉了ERK的激活位点,使之信号被抑制。但是转运
-stranded DNA template. A typical annealing temperature is 3-5°C lower than the calculated melting temperature of the primers. During the final stage, primer extension, the thermostable DNA polymerase carries out DNA synthesis
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