天然产物 糖类和糖苷 Saccharides and Glycosides
Tetrahydrobiopterin;(Synonyms: 四氢生物蝶呤; (Rac)-Sapropterin) 纯度: 99.72%
Tetrahydrobiopterin ((Rac)-Sapropterin) 是芳香族氨基酸羟化酶的辅因子, 也是一氧化氮合酶 (NOS) 的必需辅因子。
Tetrahydrobiopterin Chemical Structure
CAS No. : 17528-72-2
规格 | 价格 | 是否有货 | 数量 |
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10;mM;*;1 mL in DMSO | ¥1430 | In-stock | |
5 mg | ¥1300 | In-stock | |
10 mg | ¥2100 | In-stock | |
50 mg | ¥7300 | In-stock | |
100 mg | ; | 询价 | ; |
200 mg | ; | 询价 | ; |
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生物活性 |
Tetrahydrobiopterin ((Rac)-Sapropterin) is a cofactor of the aromatic amino acid hydroxylases enzymes and also acts as an essential cofactor for all nitric oxide synthase (NOS) isoforms. |
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IC50 Target |
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体外研究 (In Vitro) |
MicMicroglial cell cultures under hyperoxia are supplemented or not with an effective dose of Tetrahydrobiopterin (BH4) (100 μM). Exposure of microglial cells to hyperoxia-induced oxidative stress for 24 h reveals a robust increase in TSP-1 mRNA expression and protein compare to normoxia (21% O2). Tetrahydrobiopterin supplementation significantly prevents hyperoxia-induced microglial activation by diminishing Iba-1 and TSP-1 expression and prevents microvascular injury in choroidal explants[1]. MCE has not independently confirmed the accuracy of these methods. They are for reference only. |
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体内研究 (In Vivo) |
To assess the levels of Tetrahydrobiopterin in the retina, three to five pools of retinas are collected from WT and hph-1mice at postnatal age 7, 14, and 22 and evaluated by LC-MS/MS. LC-MS/MS analysis confirm a significant decrease by approximately 90% in the concentration levels of Tetrahydrobiopterin in retinal tissue from hph-1 mice (0.0009±0.0006; p<0.0001, 0.01±0.001; p<0.0001 and 2.45±0.40; p<0.005) compare to the WT group (0.014±0.001, 0.092±0.01, and 23.13±6.44) at P7, P14, and P22, respectively[1]. MCE has not independently confirmed the accuracy of these methods. They are for reference only. |
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Clinical Trial |
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分子量 |
241.25 |
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Formula |
C9H15N5O3 |
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CAS 号 |
17528-72-2 |
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中文名称 |
四氢生物蝶呤;沙丙蝶呤 |
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运输条件 |
Room temperature in continental US; may vary elsewhere. |
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储存方式 |
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溶解性数据 |
In Vitro:;
DMSO : 50 mg/mL (207.25 mM; Need ultrasonic) 配制储备液
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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。 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
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参考文献 |
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Kinase Assay [1] |
Microglia cell line (SIM-A9) is used and cultured. Briefly, microglial cells (800, 000 cells per well) are cultured in 6-well plates with DMEM/F12 (1:1) supplementing with 10% fetal bovine serum (FBS), 5% of horse serum (HS), and 1% penicillin/streptomycin. After 24 h, the cells are starved with DMEM/F12 (1:1) free of FBS and HS for 6 h. Then, microglial cells cultures in presence or absence of 100 μM of Tetrahydrobiopterin are exposed to hyperoxia (75% oxygen and 25% nitrogen) in a modular incubator chamber and maintained in a humidified CO2 incubator at 37 °C for 24 h. Microglial cells in matching controls are incubated at 37 °C in an incubator with 95% air and 5% CO2 and collected at the same time point. Cell lysates are quickly processed for RNA. The conditioning media is stored at -80 and later used in choroidal explant assay[1]. MCE has not independently confirmed the accuracy of these methods. They are for reference only. |
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Animal Administration [1] |
Mice pups are exposed with their mothers in a 75% oxygen environment from postnatal day 7 to P9 using oxycycler to induce retinal vaso-obliteration (VO). Animals are anesthetized and injected intravitreally at P7 with 100 μM of Tetrahydrobiopterin or vehicle (sterile PBS 1×) using a syringe equipped with 50-gauge glass capillary. At P9, mice pups are sacrificed and retinas are dissected and stained overnight at 4 °C with fluorescein-labeled Griffonia Simplicifolia Lectin 1 (GSL 1), isolectin B4 (1:100) with 1 mM CaCl2 in PBS. Quantification of VO is assessed using the computer software[1]. MCE has not independently confirmed the accuracy of these methods. They are for reference only. |
参考文献 |
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