耗材描述
Steppogenin
产品活性:Steppogenin 是一种有效的 HIF-1α 和 DLL4 的抑制剂,其 IC50 值分别为 0.56 和 8.46 μM。Steppogenin 可用于血管生成疾病的研究,如实体瘤。
产品来源: https://www.medchemexpress.cn/steppogenin.html
研究领域:Metabolic Enzyme/Protease
作用靶点:HIF/HIF Prolyl-Hydroxylase
来源:植物 | 桑科 | 柘
结构分类:黄酮类 | 黄酮 | 结构分类
In Vitro: Steppogenin (0-10 μM, 24 h) inhibit the transcriptional activity of HIF-1α under hypoxic conditions in HEK293T cells and VEGF-induced DLL4 expression in vascular endothelial cells (ECs) in a dose-dependent manner.
Steppogenin (0-3 μM, 6 h) suppresses the mRNA expression of HIF-1α target genes (VEGF, GLUT1, CXCR4, and CA9) under hypoxic conditions.
Steppogenin (0-3 μM, 16 h) suppresses HIF-1α protein levels, and inhibits protein levels of VEGF, CXCR4, and CA9.
Steppogenin (0-3 μM, 24 h) suppresses hypoxia-induced vascular EC proliferation and migration as well as VEGF-induced sprouting of EC spheroids.
In Vivo: Steppogenin (2 mg/kg, IP, once) inhibits tumor growth and angiogenesis.
Steppogenin (2 mg/kg, IP, once) shows the highest distribution to the liver and spleen (25.5-fold and 9.74-fold AUC ratio, respectively) with significantly higher T1/2.
Pharmacokinetic Parameters of Steppogenin in male C57BL/6 J mice.
Cmax (ng/mL)
Tmax (h)
T1/2 (h)
AUC8h (ng/mL∗h)
AUC∞ (ng/mL∗h)
AUC ratio
Plasma
448 ± 113
0.25
0.49 ± 0.14
283 ± 98.9
284 ± 97.8
1
Tumor
635 ± 114
0.3 ± 0.1
1.87 ± 0.87
1078 ± 494
1252 ± 547
4.58
Liver
4319 ± 1063
0.25
1.72 ± 0.26
6733 ± 1300
6967 ± 1200
25.5
Lung
521 ± 181
0.25
0.36 ± 0.12
261 ± 96.1
280 ± 106
1.02
Heart
285 ± 15.2
0.25
0.2
107 ± 44.3
176.9
0.65
Kidney
1225 ± 463
0.25
0.33 ± 0.01
628 ± 234
624.7 ± 238
2.35
Spleen
6110 ± 2954
0.25
0.47 ± 0.01
2443 ± 1155
2663 ± 1289
9.74
Brain
309 ± 95.7
0.25
1.36 ± 0.46
191 ± 67
241 ± 75.4
0.88
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