TPh A (Triphenyl Compound A) is a potent inhibitor of the nuclear protein pirin and binds specifically to pirin with a K_i of 0.6 uM. TPh A disrupts the formation of the bcl3–pirin complex. TPh A can be used as a novel small molecule tool to regulate pirin in cells^[1].

The Pirin is a nuclear protein with the nuclear factor I/CCAAT box transcription factor (NFI/CTF). Pirin proteins are highly conserved between mammals, plants, fungi, and prokaryotic organisms and are considered to belong to the cupin superfamily.
TPh A (20 μM; 5 hours) reduces the amount of pirin-bound Bcl3 and inhibits the interaction between pirin and Bcl3 in HEK293T cells in a glutathione S-transferase (GST) pulldown assay (HEK293T cells are transfected with vectors that encoded bcl3-Myc and pirin-His6 for 43 h of transfection)^[1].
TPh A (0-100 μM; 48 hours) does not exert any potent cytotoxic activity against many human cancer cell lines, it against MCF7, MDA-MB231, HeLa, DU145, HepG2, A549, HT1080, WM266-4, and SK-MEL-28 cells with IC₅₀ values >50 μM, and exhibits IC₅₀ values of 27 μM, 20 μM and 26 μM for PC3 HL60 and HT29 cells, respectively^[1].
TPhA (0-50 μM; 48 hours) inhibits cell migration in WM266-4 cells, SK-MEL-28 cell in a concentration-dependent manner^[1].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.

399.53

C₂₁H₂₁NO₃S₂

21306-65-0

Room temperature in continental US; may vary elsewhere.

Powder	-20°C	3 years
	4°C	2 years
In solvent	-80°C	6 months
	-20°C	1 month

In Vitro: 

DMSO : 250 mg/mL (625.74 mM; Need ultrasonic)

*

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。-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。

In Vivo:

请根据您的实验动物和给药方式选择适当的溶解方案。以下溶解方案都请先按照 In Vitro 方式配制澄清的储备液，再依次添加助溶剂：

——为保证实验结果的可靠性，澄清的储备液可以根据储存条件，适当保存；体内实验的工作液，建议您现用现配，当天使用； 以下溶剂前显示的百
分比是指该溶剂在您配制终溶液中的体积占比；如在配制过程中出现沉淀、析出现象，可以通过加热和/或超声的方式助溶

• 1.

  请依序添加每种溶剂： 10% DMSO    40% PEG300    5% Tween-80    45% saline

  Solubility: ≥ 2.08 mg/mL (5.21 mM); Clear solution

  此方案可获得 ≥ 2.08 mg/mL (5.21 mM，饱和度未知) 的澄清溶液。

  以 1 mL 工作液为例，取 100 μL 20.8 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中，混合均匀；向上述体系中加入50 μL Tween-80，混合均匀；然后继续加入 450 μL生理盐水定容至 1 mL。

  将 0.9 g 氯化钠，完全溶解于 100 mL ddH₂O 中，得到澄清透明的生理盐水溶液

• 2.

  请依序添加每种溶剂： 10% DMSO    90% (20% SBE-β-CD in saline)

  Solubility: ≥ 2.08 mg/mL (5.21 mM); Clear solution

  此方案可获得 ≥ 2.08 mg/mL (5.21 mM，饱和度未知) 的澄清溶液。

  以 1 mL 工作液为例，取 100 μL 20.8 mg/mL 的澄清 DMSO 储备液加到 900 μL 20% 的 SBE-β-CD 生理盐水水溶液中，混合均匀。

  将 2 g 磺丁基醚 β-环糊精加入 5 mL 生理盐水中，再用生理盐水定容至 10 mL，完全溶解，澄清透明
• 3.

  请依序添加每种溶剂： 10% DMSO    90% corn oil

  Solubility: ≥ 2.08 mg/mL (5.21 mM); Clear solution

  此方案可获得 ≥ 2.08 mg/mL (5.21 mM，饱和度未知) 的澄清溶液，此方案不适用于实验周期在半个月以上的实验。

  以 1 mL 工作液为例，取 100 μL 20.8 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中，混合均匀。

• [1]. Isao Miyazaki, et al. A Small-Molecule Inhibitor Shows That Pirin Regulates Migration of Melanoma Cells. Nat Chem Biol. 2010 Sep;6(9):667-73.