Sitagliptin phosphate monohydrate
(Synonyms: 西他列汀磷酸盐一水合物; MK-0431 phosphate monohydrate) 目录号 : GC10298
Sitagliptin phosphate monohydrate (MK-0431 phosphate monohydrate) 是一种有效的 DPP4 抑制剂，在 Caco-2 细胞提取物中的 IC50 为 19 nM。
Cas No.:654671-77-9
Sample solution is provided at 25 µL, 10mM.
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Quality Control & SDS
- View current batch:
- Purity: >99.50%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet
| Cell experiment [1]: | |
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Cell lines |
Endothelial progenitor cells (EPCs) and bone marrow mesenchymalstem cells(MSC) |
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Preparation method |
The solubility of this compound in DMSO is >10 mM. General tips for obtaining a higher concentration: Please warm the tube at 37 °C for 10 minutes and/or shake it in the ultrasonic bath for a while.Stock solution can be stored below -20°C for several months. |
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Reaction Conditions |
14 d; 25 μmol/L |
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Applications |
To determine whether sitagliptin treatment participated in enhancing the differentiation of EPCs and MSCs and cells expressing its ligand, SDF-1α, adipose tissues were co-cultured with sitagliptin (25 μmol/L) in M199 culture medium for 14 d and examined by flow cytometric analysis. The results show that compared with the 7 d cell culture, the numbers of EPCs [CD31/Sca-1+(double-stained) and CXCR4+ (single-stained)] were remarkably higher at day 14 in both the non-sitagliptin-treated (Si-T) group and the Si-T group |
| Animal experiment [2]: | |
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Animal models |
ApoE−/−mice with the C57BL/6 genetic background |
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Dosage form |
200 mg/kg/day; oral taken |
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Applications |
In ApoE−/−mice, the sitagliptin group showed fewer atherosclerotic plaques than in controls (7.64±1.98% [range 4.62–10.13%] vs 12.91±1.15% [range 11.55–14.37%], p |
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Other notes |
Please test the solubility of all compounds indoor, and the actual solubility may slightly differ with the theoretical value. This is caused by an experimental system error and it is normal. |
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References: [1] Chua S, Sheu J J, Chen Y L, et al. Sitagliptin therapy enhances the number of circulating angiogenic cells and angiogenesis—evaluations< i> in vitroand in the rat critical limb ischemia model[J]. Cytotherapy, 2013, 15(9): 1148-1163. [2] Zeng Y, Li C, Guan M, et al. The DPP-4 inhibitor sitagliptin attenuates the progress of atherosclerosis in apolipoprotein-E-knockout mice via AMPK-and MAPK-dependent mechanisms[J]. Cardiovascular diabetology, 2014, 13(1): 32. |
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Sitagliptin phosphate monohydrate is a potent inhibitor of DPP4 with IC50 of 19 nM in Caco-2 cell extracts.
Sitagliptin phosphate exhibits a potent inhibitory effect on DPP-4 with IC50 of 19 nM from Caco-2 cell extracts[1]. Sitagliptin reduces in vitro migration of isolated splenic CD4 T-cells through a pathway involving cAMP/PKA/Rac1 activation[2]. A recent study demonstrates that sitagliptin exerts a novel, direct action in order to stimulate GLP-1 secretion by the intestinal L cell through a DPP-4-independent, protein kinase A- and MEK-ERK1/2-dependent pathway. It therefore reduces the effect of autoimmunity on graft survival[3].
In vivo, the ED50 value of sitagliptin phosphate for inhibition of plasma DPP-4 activity is calculated to be 2.3 mg/kg 7 hour postdose and 30 mg/kg 24 hour postdose in freely fed Han-Wistar rats[1]. The streptozotocin-induced type 1 diabetes mouse model exhibits elevated DPP-4 levels in the plasma that can be substantially inhibited in mice on an Sitagliptin phosphate diet. This is achieved by a positive effect on the regulation of hyperglycemia, potentially through prolongation of islet graft survival[4]. The plasma clearance and volume of distribution of Sitagliptin phosphate are higher in rats (40-48 mL/min/kg, 7-9 L/kg) than in dogs (9 mL/min/kg, 3 L/kg); and its half-life is shorter in rats,2 hours compared with 4 hours in dogs[5].
References:
[1]. Thomas, L., et al. (R)-8-(3-amino-piperidin-1-yl)-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylm ethyl)-3,7-dihydro-purine-2,6-dione (BI 1356), a novel xanthine-based dipeptidyl peptidase 4 inhibitor, has a superior potency and longer duration of acti
[2]. Kim, S.J., et al., Dipeptidyl peptidase IV inhibition with MK0431 improves islet graft survival in diabetic NOD mice partially via T-cell modulation. Diabetes, 2009. 58(3): p. 641-51.
[3]. Sangle, G.V., et al., Novel biological action of the dipeptidylpeptidase-IV inhibitor, sitagliptin, as a glucagon-like peptide-1 secretagogue. Endocrinology, 2012. 153(2): p. 564-73.
[4]. Kim, S.J., et al., Inhibition of dipeptidyl peptidase IV with sitagliptin (MK0431) prolongs islet graft survival in streptozotocin-induced diabetic mice. Diabetes, 2008. 57(5): p. 1331-9.
[5]. Beconi, M.G., et al. Disposition of the dipeptidyl peptidase 4 inhibitor sitagliptin in rats and dogs. Drug Metab Dispos, 2007. 35(4): p. 525-32.
| Cas No. | 654671-77-9 | SDF | |
| 别名 | 西他列汀磷酸盐一水合物; MK-0431 phosphate monohydrate | ||
| 化学名 | (3R)-3-amino-1-[3-(trifluoromethyl)-6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazin-7-yl]-4-(2,4,5-trifluorophenyl)butan-1-one;phosphoric acid;hydrate | ||
| Canonical SMILES | [HH].C1CN2C(=NN=C2C(F)(F)F)CN1C(=O)CC(CC3=CC(=C(C=C3F)F)F)N.O.OOP(=O)=O | ||
| 分子式 | C16H15F6N5O.H3PO4.H2O | 分子量 | 523.3 |
| 溶解度 | ≥ 23.8 mg/mL in DMSO, ≥ 30.6 mg/mL in Water with ultrasonic | 储存条件 | Store at -20°C |
| General tips | 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 储存时，请在 6 个月内使用，-20°C 储存时，请在 1 个月内使用。 为了提高溶解度，请将管子加热至37℃，然后在超声波浴中震荡一段时间。 |
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| Shipping Condition | 评估样品解决方案：配备蓝冰进行发货。所有其他可用尺寸：配备RT，或根据请求配备蓝冰。 | ||
| 制备储备液 | |||
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1 mg | 5 mg | 10 mg |
| 1 mM | 1.9109 mL | 9.5547 mL | 19.1095 mL |
| 5 mM | 0.3822 mL | 1.9109 mL | 3.8219 mL |
| 10 mM | 0.1911 mL | 0.9555 mL | 1.9109 mL |
| 第一步：请输入基本实验信息（考虑到实验过程中的损耗，建议多配一只动物的药量） | ||||||||||
| 给药剂量 | mg/kg |  |
动物平均体重 | g | |
每只动物给药体积 | ul | |
动物数量 | 只 |
| 第二步：请输入动物体内配方组成（配方适用于不溶于水的药物；不同批次药物配方比例不同，请联系GLPBIO为您提供正确的澄清溶液配方） | ||||||||||
| % DMSO % % Tween 80 % saline | ||||||||||
| 计算重置 | ||||||||||
计算结果:
工作液浓度： mg/ml；
DMSO母液配制方法： mg 药物溶于 μL DMSO溶液（母液浓度 mg/mL，
体内配方配制方法：取 μL DMSO母液，加入 μL PEG300，混匀澄清后加入μL Tween 80，混匀澄清后加入 μL saline，混匀澄清。
1. 首先保证母液是澄清的；
2.
一定要按照顺序依次将溶剂加入，进行下一步操作之前必须保证上一步操作得到的是澄清的溶液，可采用涡旋、超声或水浴加热等物理方法助溶。
3. 以上所有助溶剂都可在 GlpBio 网站选购。
Abstract
The reverse phase UPLC is a method to simultaneously measure Sitagliptin phosphate monohydrate and Metformin hydrochloride in pharmaceutical dosage forms with LOD and LOQ of 0.2 μg/mL and 0.7 μg/mL respectively for Sitagliptin phosphate monohydrate.
Abstract
A retrospective cohort study was performed to investigate the clinical outcomes of sitagliption compared with metformin.
Abstract
The combination of sitagliptin and pioglitazone has been assessed for safety and efficacy in patients with type 2 diabetes.
Abstract
Sitagliptin is a DPP-4 inhibitor that inhibits the cleavage of GLP-1 leading to improved blood glucose control in patients with type 2 diabetes. Although it initially increased the percentage of cells expressing high levels of CD26, sitagliptin failed to alter systemic immune function in healthy volunteers at the end of 28-day treatment.
Abstract
Sitagliptin was evaluated for efficacy and safety in renal transplant recipients.