Adenosine 3',5'-diphosphate (sodium salt)
(Synonyms: 腺苷3`,5`-二磷酸钠盐) 目录号 : GC42732An adenine nucleotide containing two phosphate groups
Cas No.:75431-54-8
Sample solution is provided at 25 µL, 10mM.
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- Purity: >95.00%
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Adenosine 3',5'-diphosphate is an adenine nucleotide containing a phosphate group at the 3' and 5' positions of the pentose sugar ribose. It is a product of 3'-phosphoadenosine 5'-phosphosulfonate (PAPS), a cofactor of sulfotransferases (SULTs), and has been used to study the kinetic properties and structure of SULTs.
Cas No. | 75431-54-8 | SDF | |
别名 | 腺苷3`,5`-二磷酸钠盐 | ||
Canonical SMILES | O[C@H]1[C@H](N2C=NC3=C2N=CN=C3N)O[C@H](COP(O)(O)=O)[C@H]1OP(O)(O)=O.[Na].[Na] | ||
分子式 | C10H15N5O10P2•2Na | 分子量 | 473.2 |
溶解度 | PBS (pH 7.2): 10 mg/ml | 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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1 mg | 5 mg | 10 mg | |
1 mM | 2.1133 mL | 10.5664 mL | 21.1327 mL |
5 mM | 0.4227 mL | 2.1133 mL | 4.2265 mL |
10 mM | 0.2113 mL | 1.0566 mL | 2.1133 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 | |||
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% DMSO % % Tween 80 % saline | ||||||||||
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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。
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Purinergic and nitrergic junction potential in the human colon
Am J Physiol Gastrointest Liver Physiol 2008 Sep;295(3):G522-33.PMID:18599588DOI:10.1152/ajpgi.00510.2007.
The aim of the present work is to investigate a putative junction transmission [nitric oxide (NO) and ATP] in the human colon and to characterize the electrophysiological and mechanical responses that might explain different functions from both neurotransmitters. Muscle bath and microelectrode techniques were performed on human colonic circular muscle strips. The NO donor sodium nitroprusside (10 microM), but not the P2Y receptor agonist adenosine 5'-O-2-thiodiphosphate (10 microM), was able to cause a sustained relaxation. NG-nitro-L-arginine (L-NNA) (1 mM), a NO synthase inhibitor, but not 2'-deoxy-N6-methyl Adenosine 3',5'-diphosphate tetraammonium salt (MRS 2179) (10 microM), a P2Y antagonist, increased spontaneous motility. Electrical field stimulation (EFS) at 1 Hz caused fast inhibitory junction potentials (fIJPs) and a relaxation sensitive to MRS 2179 (10 microM). EFS at higher frequencies (5 Hz) showed biphasic IJP with fast hyperpolarization sensitive to MRS 2179 followed by sustained hyperpolarization sensitive to L-NNA; both drugs were needed to fully block the EFS relaxation at 2 and 5 Hz. Two consecutive single pulses induced MRS 2179-sensitive fIJPs that showed a rundown. The rundown mechanism was not dependent on the degree of hyperpolarization and was present after incubation with L-NNA (1 mM), hexamethonium (100 microM), MRS 2179 (1 microM), and NF023 (10 microM). We concluded that single pulses elicit ATP release from enteric motor neurons that cause a fIJP and a transient relaxation that is difficult to maintain over time; also, NO is released at higher frequencies causing a sustained hyperpolarization and relaxation. These differences might be responsible for complementary mechanisms of relaxation being phasic (ATP) and tonic (NO).