性能参数

产品名称

Mithramycin A

规格

1mg

货号

GOY-Y3926

 含量

>98.00%

CAS

18378-89-7

别名

化学名

(1S)-5-Deoxy-1-C-[(2S,3S)-7-[[2,6-dideoxy-3-O-(2,6-dideoxy--D-arabino-hexopyranosyl)--D-arabino-hexopyranosyl]oxy]-3-[(O-2,6-dideoxy-3-C-methyl--D-ribo-hexopyranosyl-(1.fwdarw.3)-O-2,6-dideoxy--D-lyxo-hexopyranosyl-(1.fwdarw.3)-2,6-dideoxy--D-arabino-hexo

分子式

C52H76O24

分子量

分子量 1085.16

溶解度

DMF: 20 mg/ml,DMSO: 20 mg/ml,Ethanol: 10 mg/ml,PBS (pH 7.2): 2 mg/ml

储存条件

Desiccate at -20°C

General tips

用途

仅供科研

价格

电询

详细内容

Plicamycin is a selective specificity protein 1 (Sp1) inhibitor. Plicamycin inhibits the growth of various cancers by decreasing Sp1 protein.

Sp1 is a zinc-finger transcription factor that regulates multiple cellular functions and promotes tumor progression by controlling expression of genes involved in cell cycle, apoptosis and DNA damage. Sp1 binds to GC-rich motifs of promoters and interacts with components of the general transcriptional machinery and co-activator complexes of multiple signaling pathways. Plicamycin (Mith) decreases Sp1 protein by inducing proteasome-dependent degradation, thereby suppressing cervical cancer growth through a DR5/caspase-8/Bid signaling pathway. To assess the antiproliferative effects of Plicamycin on cervical cancer cells, two cervical cancer cell lines with different genetic backgrounds are grown with or without treatment with Plicamycin at different concentrations. Plicamycin inhibits HEp-2 and KB cell growth in a concentration-dependent manner after 48 h. Apoptotic cell death is qualitatively estimated by DAPI staining for nuclear condensation and fragmentation. Plicamycin leads to significant DNA fragmentation compared to untreated controls[1].

The antitumorigenic activity of Plicamycin (0.2 mg/kg/day) is determined in a xenograft model and observed reduction in tumor volume and weight. No significant mouse body weight loss is observed in Plicamycin-treatment groups, indicating that Plicamycin-associated toxicity is minimal. Plicamycin also increases TUNEL-positive cells in tumor xenografts. No notable intergroup differences are observed among organs, indicating no marked signs of systemic toxicity at the Plicamycin dose used in this study[1].

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