XTT(sodium salt)

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XTT(sodium salt)

本产品不向个人销售，仅用作科学研究，不用于任何人体实验及非科研性质的动物实验。

CAS NO:

111072-31-2

包装与价格：

包装	价格(元)
25mg	电议
50mg	电议
100mg	电议
250mg	电议

产品介绍

化学性质

Physical Appearance	A crystalline solid
Storage	Store at -20°C
M.Wt	673.52
Cas No.	111072-31-2
Formula	C₂₂H₁₆N₇NaO₁₃S₂
Solubility	≥53.1 mg/mL in DMSO; insoluble in EtOH; ≥6.89 mg/mL in H2O with ultrasonic
Chemical Name	sodium 5,5'-(5-(phenylcarbamoyl)-2H-tetrazole-3-ium-2,3-diyl)bis(4-methoxy-2-nitrobenzenesulfonate)
Canonical SMILES	COC(C=C([N+]([O-])=O)C(S([O-])(=O)=O)=C1)=C1N2N=C(C(NC3=CC=CC=C3)=O)N=[N+]2C4=CC(S([O-])(=O)=O)=C([N+]([O-])=O)C=C4OC.[Na+]
运输条件	蓝冰运输或根据您的需求运输。
一般建议	为了使其更好的溶解，请用37℃加热试管并在超声波水浴中震动片刻。不同厂家不同批次产品溶解度各有差异，仅做参考。若实验所需浓度过大至产品溶解极限，请添加助溶剂助溶或自行调整浓度。溶液形式一般不宜长期储存，请尽快用完。

资料参考

XTT (sodium salt), a second-generation water-soluble variant of the tetrazolium salt 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), measures cell proliferation based on the metabolic activity of the cells [1].

XTT, a yellow water-soluble substrate, can be metabolically reduced by mitochondrial dehydrogenase in viable cells to an orange water-soluble formazan product. Thus, XTT has been widely used for evaluation of cell viability [2].

In human larynx cancer cell line (HEp-2), exposed to cyclophosphamide (0.005 ~ 100 μM) for 8, 12 and 24 hrs, XTT was used for determination of the IC50 value cyclophosphamide. XTT assay was sensitive enough to detect early cytotoxicity starting after incubation of HEp-2 cells with cyclophosphamide for 8 hrs, better than MTT assay which revealed cytotoxicity due to cyclophosphamide exposure after 12 hrs [3]. In addition to its application in quantitative colorimetric assay, XTT exhibited anti-HIV-1 activity by forming XTT formazan. In MT-2 cells, pre-incubation of XTT (200 μg/ml) plus phenazine methosulfate (PMS) resulted in inhibition of HIV-1-mediated cell-to-cell fusion [2].

References:

[1]. Huyck L, Ampe C, Van Troys M. The XTT cell proliferation assay applied to cell layers embedded in three-dimensional matrix. ASSAY and Drug Development Technologies, 2012, 10(4): 382-392.

[2]. Zhao Q, Ernst J T, Hamilton A D, et al. XTT formazan widely used to detect cell viability inhibits HIV type 1 infection in vitro by targeting gp41. AIDS Research and Human Retroviruses, 2002, 18(14): 989-997.

[3]. Singhal N A, Patel R M. Comparative study of in vitro cytotoxicity assays like LDH, LDH plus, MTT and XTT for their sensitivity to detect cytotoxicity of HEP-2 cell lines using cyclophosphamide. Journal of Pharmaceutical Research & Clinical Practice, 2011, 1(1): 48-56.