| 研究背景 | CCL2, also known as MCP-1, is belonging to the CC ? chemokine family. CCL2 can be identified in endothelial cells, smooth muscle cells and monocytes as the results of reaction to several atherogenic stimulants, such as CD40 ligand, (IL-1β) and oxidized low density lipoprotein , interleukin-1βplatelet derived growth factor (PDGF). Recent study shows that in vivo MCP1 have several critical roles in atherosclerosis. Additionally, MCP-1 has been proved involving in monocytic infiltration of tissues during several inflammatory diseases, and has been implicated in macrophage-mediated tumor growth inhibition in mice. In addition, CCL2 has been shown to have direct effects on tumor cells in an autocrine and paracrine fashion in multiple cancers, including sarcoma, lung, cervix, ovary, breast, and prostate. |
|---|---|
| 种属 | 猪 |
| 表达系统 | E.coli |
| 标签 | His-tag at the N-terminus |
| 蛋白编号 | P42831.1 |
| 别名 | MCP-1 |
| 氨基酸序列 | QPDAINSPVTCCYTLTSKKISMQRLMSYRRVTSSKCPKEAVIFKTIAGKEICAEPKQKWVQDSISHLDKKNQTPKP with polyhistidine tag at the N-terminus. |
| 分子量 | 9.42 kDa（observed：11-17 kDa） |
| 纯度 | > 98% as determined by SDS-PAGE. Ni-NTA chromatography. |
| 性状 | 粉末 |
| 组分 | The protein was lyophilized from a 0.2 μm filtered solution containing 1 × PBS, pH 7.4. |
| 内毒素含量 | < 0.1 EU/μg |
| 复溶方法 | It is recommended to reconstitute the lyophilized protein in sterile water to a concentration not less than 100 μg/mL. Do Not Vortex! Vigorous shaking may impair the biological activity of the protein. |
| 保存条件/期限 | Lyophilized protein should be stored at -5~-20℃ for 1 year. Upon reconstitution, store at 2-8℃ for up to 1 week. Further dilute in a buffer containing a carrier protein or stabilizer (e.g. 0.1% BSA, 10% FBS, 5% HSA or 5% trehalose solution), protein aliquots should be stored at -5~-20℃ or -80℃ for 3-6 months. |
| 运输条件 | Ambient temperature or ice pack. |
请在以下方框中输入您的动物实验信息后点击计算，可以得到母液配置方法和体内配方的制备方法：
比如您的给药剂量是10 mg/kg，每只动物体重20 g，给药体积100 μL， 一共给药动物10只，您使用的配方为 10% DMSO + 40% PEG300 + 5% Tween 80 + 45% Saline / PBS / ddH2O， 那么您的工作液浓度为2 mg/mL。
母液配置方法：2 mg 药物溶于 100 μL DMSO （ 母液浓度为 20 mg/mL ）, 如您需要配置的浓度超过该产品的溶解度，请先与我们联系。
体内配方的制备方法： 取 100 μL DMSO 母液， 添加 400 μL PEG300 混匀澄清， 再加 50 μL Tween 80, 混匀澄清, 再加 450 μL Saline / PBS / ddH2O 混匀澄清
以上为“体内实验配液计算器”的使用方法举例，并不是具体某个化合物的推荐配制方式，请根据您的实验动物和给药方式选择适当的溶解方案。
方案所需的各类助溶剂如： DMSO， PEG300， PEG400， Tween 80， SBE-β-CD， 玉米油等， 均可在诺渊网站点击购买。
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/PBS/ddH2O，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。
