產(chǎn)品目錄

規(guī)格	10mM (in 1mL DMSO) 25mg 100mg
CAS	19685-09-7
別名
化學(xué)名	(S)-4-ethyl-4,9-dihydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
分子式	C20H16N2O5
分子量	364.35
溶解度	≥ 23.8mg/mL in DMSO with gentle warming
儲(chǔ)存條件	4°C, protect from light
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：

IC50: 0.31 μM

10-Hydroxycamptothecin is a dose-dependent growth inhibitor of human microvascular endothelial cells (HMEC), and significantly inhibits the migration of HMEC with IC50 of 0.63 μM, resulting in a dose-dependent inhibition of tube formation with IC50 of 0.96 μM [1,2].

An antiangiogenic strategy may be effective as an anticancer therapy, because the growth and metastasis of solid tumors depend on the development of an adequate blood supply via angiogenesis [1,2].

In vitro: The proliferation of human microvascular endothelial cells (HMEC) and seven human tumor cell lines were detected by SRB assay, resulting in study the antiangiogenic potential of 10-hydroxycamptothecin (HCPT), ,and the endothelial cell migration and tube formation were assessed using two in vitro model systems[2].

In vivo: Using a modification of the chick embryo chorioallantoic membrane (CAM) assay defines inhibition of angiogenesis in vivo. Morphological assessment of apoptosis was performed by fluorescence microscope. HCPT 0.313-5 μmol/L treatment was in a dose-dependent inhibition of proliferation, migration and tube formation in HMEC cells, and HCPT 6.25-25 nmol/egg prevented angiogenesis in CAM assay. HCPT 1.25-5 μmol/L induced typical morphological changes of apoptosis (including condensed chromatin, nuclear fragmentation, and reduction in volume in HMEC cells). HCPT significantly blocked angiogenesis both in vitro and in vivo at relatively low concentrations, and this effect was connected with induction of apoptosis in HMEC cells. These results taken collectively reveal that HCPT may be a potential for antiangiogenetic and cytotoxic drug and further investigationis warranted [2,3].

Clinical trial: So far, no clinical study has been conducted.

References:

[1] Vladu B, Woynarowski JM, Manikumar G, Wani MC, Wall ME, Von Hoff DD, Wadkins RM. 7- and 10-substituted camptothecins: dependence of topoisomerase I-DNA cleavable complex formation and stability on the 7- and 10-substituents. Mol Pharmacol. 2000 Feb;57(2):243-51.

[2] Xiao D, Tan W, Li M, Ding J. Antiangiogenic potential of 10-hydroxycamptothecin. Life Sci. 2001 Aug 24;69(14):1619-28.

[3] Ping YH, Lee HC, Lee JY, Wu PH, Ho LK, Chi CW, Lu MF, Wang JJ. Anticancer effects of low-dose 10-hydroxycamptothecin in human colon cancer. Oncol Rep. 2006 May;15(5):1273-9.

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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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