AC1903 is a specific and selective inhibitor ofTRPC5and has podocyte-protective properties. AC1903 does no effects on TRPC4 or TRPC6 currents and shows no off-target effects in kinase profiling assays. AC1903 suppresses severe proteinuria and prevents podocyte loss in focal segmental glomerulosclerosis (FSGS) rat model^[1].

IC50: 14.7 μM (TRPC5 current IN HEK-293 cells)^[1]

TRPC5 is a Ca²⁺ permeable nonselective cation channel highly expressed in brain and kidney.
AC1903 (0-100 μM) blocks riluzole-activated TRPC5 whole-cell current, but fails to block carbachol (CCh)–induced TRPC4 and OAG-induced TRPC6 currents, even at high micromolar concentrations in Patch-clamp electrophysiology experiments. The ICIC₅₀values ofML204 (HY-12949)(IC₅₀=13.6 μM) and AC1903 (IC₅₀=14.7 μM) are nearly equipotent in human embryonic kidney 293 (HEK-293) cells expressing TRPC5^[1].
AC1903 (30 μM) inhibits angiotensin II-induced production of reactive oxygen species (ROS) in wild-type podocytes and podocytes expressing a mutant angiotensin II type 1 (AT1) receptor that cannot be inactivated and endocytosed^[1].
AC1903 (30 μM) blocks caAT1R-induced ROS generation. Increased podocyte cell death within 36 hours of caAT1R expression is observed, but AC1903 protects podocyte cells from cell death^[1].

AC1903 (intraperitoneal injection; 50 mg/kg; twice per day; 7 days) significantly suppresses proteinuria as well as reduces pseudocyst formation and podocyte loss in an AT1 receptor transgenic rat model of kidney disease^[1].
AC1903 (intraperitoneal injection; 50 mg/kg; twice per day; initiated on day 7 and treated for 1 week until day 14) initiatation on day 7 exhibits significant suppression of proteinuria with preserved podocyte numbers. Besides, AC1903 does not affect the mean arterial pressure (MAP) and exhibits no effect on body weight, blood urea nitrogen, or creatinine in Dahl S rats^[1].

303.36

Solid

C₁₉H₁₇N₃O

831234-13-0

Room temperature in continental US; may vary elsewhere.

DMSO : 100 mg/mL(329.64 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℃, 6 months; -20℃, 1 month。-80℃ 储存时，请在 6 个月内使用，-20℃ 储存时，请在 1 个月内使用。

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: ≥ 2.5 mg/mL (8.24 mM); Clear solution

  此方案可获得 ≥ 2.5 mg/mL (8.24 mM，饱和度未知) 的澄清溶液。

  以 1 mL 工作液为例，取 100 μL 25.0 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%corn oil

  Solubility: ≥ 2.5 mg/mL (8.24 mM); Clear solution

  此方案可获得 ≥ 2.5 mg/mL (8.24 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 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中，混合均匀。