Oxolinic acid
mRNA synthesis
In vitro transcription of capped mRNA with modified nucleotides and Poly(A) tail
Tyramide Signal Amplification (TSA)
TSA (Tyramide Signal Amplification), used for signal amplification of ISH, IHC and IC etc.
Phos Binding Reagent Acrylamide
Separation of phosphorylated and non-phosphorylated proteins without phospho-specific antibody
Cell Counting Kit-8 (CCK-8)
A convenient and sensitive way for cell proliferation assay and cytotoxicity assay
SYBR Safe DNA Gel Stain
Safe and sensitive stain for visualization of DNA or RNA in agarose or acrylamide gels.
Inhibitor Cocktails
Protect the integrity of proteins from multiple proteases and phosphatases for different applications.
作用于多巴胺摄取,IC50为4.3 μM。
Oxolinic acid是抑制细菌DNA促旋酶的一种喹诺酮抗生素。
DNA促旋酶是拓扑异构酶类中的一种酶,当双链DNA通过解旋酶解旋时缓解应变。
体外:先前研究发现,DNA促旋酶抑制剂Oxolinic acid和香豆霉素A1都可以阻断大肠杆菌中的DNA合成。此外,在低浓度的Oxolinic acid下,细菌DNA合成的速率首先迅速下降,但随后逐渐增加。在多种DNA突变体中,Oxolinic acid能够引起DNA合成速率快速下降,随后缓慢下降[1]。
体内:动物研究表明,小鼠i.p.注射oxolinic acid可以诱导运动活性剂量依赖性地增加,并且这种刺激在32 mg/kg剂量达到顶点,在64-128 mg/kg的更高剂量下较小。与剂量增加(50-100-200 mg/kg)的氟哌啶醇(D2多巴胺受体拮抗剂)相比,32 mg/kg的oxolinic acid的刺激运动效应未显著逆转。此外,32 mg/kg的oxolinic acid没有逆转利血平引起的运动不能,甚至抵抗右旋苯丙胺诱导的逆转[2]。
临床试验:Oxolinic acid是20世纪70年代日本开发的抗生素。口服剂量12–20 mg/kg 给药5-10天(https://en.wikipedia.org/wiki/Oxolinic_acid)。
参考文献:
[1] E C Engle,S H Manes, andK Drlica. Differential effects of antibiotics inhibiting gyrase. J Bacteriol. 1982 Jan; 149(1): 92–98.
[2] Garcia de Mateos-Verchere J,Vaugeois JM,Naudin B,Costentin J. Behavioural and neurochemical evidence that the antimicrobial agent oxolinic acid is a dopamine uptake inhibitor. Eur Neuropsychopharmacol.1998 Dec;8(4):255-9.
Physical Appearance | A crystalline solid |
Storage | Store at -20°C |
M.Wt | 261.23 |
Cas No. | 14698-29-4 |
Formula | C13H11NO5 |
Solubility | ≥2.09 mg/mL in DMSO with ultrasonic; insoluble in EtOH; insoluble in H2O |
Chemical Name | 5-ethyl-8-oxo-5,8-dihydro-[1,3]dioxolo[4,5-g]quinoline-7-carboxylic acid |
SDF | Download SDF |
Canonical SMILES | CCN1C=C(C(O)=O)C(C2=CC(OCO3)=C3C=C21)=O |
运输条件 | 蓝冰运输或根据您的需求运输。 |
一般建议 | 不同厂家不同批次产品溶解度各有差异,仅做参考。若实验所需浓度过大至产品溶解极限,请添加助溶剂助溶或自行调整浓度。溶液形式一般不宜长期储存,请尽快用完。 |
质量控制和MSDS
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