Taccalonolide A
Taccalonolide A Basic information
- Product Name:
- Taccalonolide A
- Synonyms:
-
- Taccalonolide A
- (1alpha,2alpha,3alpha,5alpha,7beta,11alpha,12alpha,15alpha,16beta,24beta,25S)-1,11,12,15-Tetrakis(acetyloxy)-2,3-epoxy-7,23,25-trihydroxy-6-oxo-16,24-cycloergost-22-en-26-oic acid gamma-lactone
- ETaccalonolide A
- Potato ketolide A
- 16,24-Cycloergost-22-en-26-oic acid, 1,11,12,15-tetrakis(acetyloxy)-2,3-epoxy-7,23,25-trihydroxy-6-oxo-, γ-lactone, (1α,2α,3α,5α,7β,11α,12α,15α,16β,24β,25S)-
- Microtubule/Tubulin,Apoptosis,inhibit,Inhibitor,Taccalonolide A
- Rhizolactone A.
- Taccalonolide A, 10 mM in DMSO
- CAS:
- 108885-68-3
- MF:
- C36H46O14
- MW:
- 702.74
- Mol File:
- 108885-68-3.mol
Taccalonolide A Chemical Properties
- Boiling point:
- 776.8±60.0 °C(Predicted)
- Density
- 1.41±0.1 g/cm3 (20 ºC 760 Torr)
- storage temp.
- Store at -20°C
- solubility
- Soluble in DMSO
- pka
- 11.56±0.70(Predicted)
- form
- Solid
- color
- White to off-white
- InChIKey
- PTTJLTMUKRRHAT-VJAKQJMOSA-N
Taccalonolide A Usage And Synthesis
Uses
Taccalonolide A is a microtubule stabilizer, which is a steroid isolated from Tacca chantrieri, with cytotoxic and antimalarial activities[1][2]. Taccalonolide A causes G2-M accumulation, Bcl-2 phosphorylation and initiation of apoptosis[1]. Taccalonolide A is effective in vitro against cell lines that overexpress P-glycoprotein (Pgp) and multidrug resistance protein 7 (MRP7), with an IC50 of 622 nM for SK-OV-3 cells[3].
Definition
ChEBI: Taccalonolide A is a withanolide.
References
[1] Tinley TL, et al. Taccalonolides E and A: Plant -derived steroids with microtubule-stabilizing activity. Cancer Res. 2003 Jun 15;63(12):3211-20. PMID:12810650
[2] Risinger AL, et al. Taccalonolides: Novel microtubule stabilizers with clinical potential. Cancer Lett. 2010 May 1;291(1):14-9. DOI:10.1016/j.canlet.2009.09.020
[3] Risinger AL, et al. The taccalonolides: microtubule stabilizers that circumvent clinically relevant taxane resistance mechanisms. Cancer Res. 2008 Nov 1;68(21):8881-8. DOI:10.1158/0008-5472.CAN-08-2037
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