Taltobulin trifluoroacetate(Synonyms: HTI-286 trifluoroacetate; SPA-110 trifluoroacetate)

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Taltobulin trifluoroacetate (Synonyms: HTI-286 trifluoroacetate; SPA-110 trifluoroacetate) 纯度: 99.96%

Taltobulin trifluoroacetate (HTI-286 trifluoroacetate) 是一种合成的三肽半胱氨酸类似物，Taltobulin 是一种有效的抗微管剂 (antimicrotubule)，可在体内外规避 P-糖蛋白介导的耐药性。Taltobulin trifluoroacetate 抑制纯化的微管蛋白聚合，破坏细胞中的微管组织，并诱导有丝分裂停滞以及凋亡 (apoptosis)。

Taltobulin trifluoroacetate(Synonyms: HTI-286 trifluoroacetate; SPA-110 trifluoroacetate)

Taltobulin trifluoroacetate Chemical Structure

CAS No. : 228266-41-9

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Taltobulin trifluoroacetate 的其他形式现货产品:

Taltobulin Taltobulin hydrochloride

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生物活性

Taltobulin trifluoroacetate (HTI-286 trifluoroacetate), a synthetic analogue of the tripeptide hemiasterlin, is a potent antimicrotubule agent that circumvents P-glycoprotein-mediated resistance in vitro and in vivo. Taltobulin trifluoroacetate inhibits the polymerization of purified tubulin, disrupts microtubule organization in cells, and induces mitotic arrest, as well as apoptosis[1].

IC50 & Target

Traditional Cytotoxic Agents

 

体外研究
(In Vitro)

Taltobulin (HTI-286; 0.2-7.3 nM; 3 days) inhibits the growth of 18 tumor cell lines (leukemia, ovarian, NSCLC, breast, colon, and melanoma cell lines) with an average IC50 of 2.5±2.1 nM and a median value of 1.7 nM[1].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.

Cell Proliferation Assay[1]

Cell Line: Leukemia CCRF-CEM cell line; ovarian 1A9 cell line; NSCLC A549 and NCI-H1299 cell lines; breast MX-1W and MCF-7 cell lines; colon HCT-116, DLD-1, Colo205, KM20, SW620, S1, HCT-15 and Moser cell lines; melanoma A375, Lox and SK-Mel-2 cell lines
Concentration: 0.2-7.3 nM
Incubation Time: 3 days
Result: Inhibited the growth of tumor cell lines with IC50s of 0.2±0.03 nM (for leukemia CCRF-CEM cell line), 0.6±0.1 nM (for ovarian 1A9 cell line), 1.1±0.5 and 6.8±6.1 nM ( for NSCLC A549 and NCI-H1299 cell lines), 1.8±0.6, 7.3±2.3 nM (for breast MX-1W, MCF-7 cell lines), 0.7±0.2, 1.1±0.4, 1.5±0.6, 1.8±0.6, 3.6±0.8, 3.7±2.0, 4.2±2.5, and 5.3±4.1 nM ( for colon HCT-116, DLD-1, Colo205, KM20, SW620, S1, HCT-15, and Moser cell lines), 1.1±0.8, 1.4±0.6 and 1.7±0.5 nM (for melanoma A375, Lox and SK-Mel-2 cell lines).

体内研究
(In Vivo)

Taltobulin (HTI-286; 1.6 mg/kg i.v.) inhibits the growth of human tumor xenografts (e.g., HCT-15, DLD-1, MX-1W, and KB-8-5) in athymic nu/nu female mice[1].
Taltobulin (HTI-286; 3 mg/kg; p.o. gavage) inhibits growth by 97.3 % and 82% in athymic nu/nu female mice with Lox melanoma xenografts and KB-3-1 epidermoid xenograft model, respectively[1].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Athymic nu/nu female mice with Lox melanoma model (5-6 weeks of age)[1]
Dosage: 1.6 mg/kg
Administration: Administered i.v.;for 35 days
Result: Growth of Lox tumors was inhibited by 96-98% on day 12 compared with vehicle-treated controls.
Growth of KB-8-5 tumors was inhibited by 84% on day 14 compared with vehicle-treated controls.
Growth of MX-1W tumors was inhibited by 97% compared with vehicle-treated controls.
Growth of DLD-1 and HCT-15 tumors was inhibited by 80 and 66%, respectively.

分子量

587.67

Formula

C29H44F3N3O6
CAS 号

228266-41-9
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式

4°C, sealed storage, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
溶解性数据
In Vitro: 

DMSO : ≥ 39 mg/mL (66.36 mM)

* “≥” means soluble, but saturation unknown.

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 1.7016 mL 8.5082 mL 17.0164 mL
5 mM 0.3403 mL 1.7016 mL 3.4033 mL
10 mM 0.1702 mL 0.8508 mL 1.7016 mL

*

请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。
储备液的保存方式和期限：-80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)。-80°C 储存时，请在 6 个月内使用，-20°C 储存时，请在 1 个月内使用。
参考文献

  • [1]. Loganzo F, et al. HTI-286, a synthetic analogue of the tripeptide hemiasterlin, is a potent antimicrotubule agent that circumvents P-glycoprotein-mediated resistance in vitro and in vivo. Cancer Res. 2003 Apr 15;63(8):1838-45.

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