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Tubeimoside I

CAS No. : 102040-03-9

Biological Activity：Tubeimoside I(Lobatoside-H) is an extract from Chinese herbal medicine Bolbostemma paniculatum (MAXIM.) FRANQUET (Cucurbitaceae) has been shown as a potent anti-tumor agent for a variety of human cancers.
IC50 value:
Target: Anticancer natural compound
in vitro: TBMS I inhibited the proliferation of both HepG2 and L-02 cells in a dose- and time-dependent manner, but HepG2 cells appeared more sensitive to the agent. When exposed to TBMS I for 24, 48 and 72 h, IC50 for HepG2 cells versus L-02 cells were 15.5 vs. 23.1, 11.7 vs. 16.2, 9.2 vs. 13.1 (μM, p<0.01), respectively. TBMS I induced cell shrinkage, nuclear condensation and fragmentation, cell cycle arrest at the G2/M phase, mitochondrial membrane disruption, release of cytochrome c from the mitochondria, activation of caspase 3 and 9, and shifting Bax/Bcl-2 ratio from being anti-apoptotic to pro-apoptotic, all indicative of initiation and progression of apoptosis involving mitochondrial dysfunction [1]. TBMS1-induced molecular events were related to mitochondria-induced intrinsic apoptosis and P21-cyclin B1/cdc2 complex-related G2/M cell cycle arrest [2]. TBMS1 combined with CDDP promoted cell apoptosis, decreased proliferation activity and increased cytosolic Ca2+ levels. Bcl-2 protein expression was down-regulated but Bax was up-regulated. Moreover, GST-π mRNA and protein expression were decreased. TBMS1 reduced the resistance of the cells to CDDP-induced cytotoxicity [4]. Treatment with TBMS1 resulted in dose- and time-dependent inhibition of proliferation, led to arrest in phase G2/M of the cell cycle and increased the levels of intracellular Ca2 . Furthermore, TBMS1 up-regulated the levels of the glucose-regulated protein 78/immunoglobuin heavy chain binding protein (GRP78/Bip), C/EBP homologous protein (CHOP), Bax, and cleaved caspase-3 and down-regulated the levels of Bcl-2 [5]. in vivo: TBMS1 significantly inhibited the production of the pro-inflammatory cytokines, TNF-α, IL-6 and IL-1β in vitro and in vivo. Pretreatment with TBMS1 markedly attenuated the development of pulmonary edema, histological severities and inflammatory cells infiltration in mice with ALI [3].

Research Area：Cancer

Targets：Apoptosis

Related Screening Libraries:Natural Product Library Plus;Bioactive Compound Library Plus;Apoptosis Compound Library;Natural Product Library;Anti-Cancer Compound Library;Macrocyclic Compound Library;Glycoside Compound Library;Endoplasmic Reticulum Stress Compound Library;Medicine Food Homology Compound Library;Terpenoids Library;Pyroptosis Compound Library;Traditional Chinese Medicine Active Compound Library;Anti-Cancer Natural Product Library;Plant-Sourced Natural Product Library;

Related Small Molecules:Physalin A;Bomedemstat ditosylate;Enpp/Carbonic anhydrase-IN-1;GK563;Calpeptin;Lobetyolin;BJE6-106;Dinaciclib;Ecteinascidin 770;MDM2-p53-IN-15;AT9283;Staurosporine;SNS-032;C188-9;ZLDI-8;Topoisomerase I/II inhibitor 3;Xevinapant;Mangiferin;Cambinol;Antioxidant agent-5;Apoptosis inducer 9;Bafetinib;Cyclovirobuxine D;STAT3-IN-10;Rigosertib sodium

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