400-998-5282
专注多肽 服务科研
一种杂乱肽,可用作 zeta 抑制肽 (ZIP) 的阴性对照。
编号:200560
CAS号:908012-18-0
单字母:Myristicacid-RLYRKRIWRSAGR-OH
ZIP(Scrambled) TFA 是一种杂乱肽,可用作 zeta 抑制肽 (ZIP) 的阴性对照。
ZIP(Scrambled) TFA is a scrambled control peptide for zeta inhibitory peptide (ZIP).
IC50值:ZIP通过抑制蛋白激酶Mξ (PKMξ),逆转后期LTP,IC50值范围为1 - 2.5 μM。
长时程增强(LTP)指持续性突触增强,被当作记忆底物。一个典型的LTP过程包括两个阶段:诱导和维持。作为蛋白激酶C(PKC)同工酶的活性形式,PKMξ对于LTP的维持是必需且有效的。ZIP用作新型的、细胞可透过性的PKMξ抑制剂,因此可以阻止LTP。
体外实验:为了确定受PKMξ影响的LTP的特定阶段,在细胞孵育前,将不同浓度的ZIP加入细胞培养基中。将ZIP与没有ZIP多肽的实验相比较。该研究表明,ZIP可以选择性地抑制体外海马切片中PKMξ诱发的突触增强。
体内实验:ZIP是第一个可用于体外检测维持假设的工具。用大鼠海马也检测了ZIP对体内LTP晚期的影响。将溶于1 ml生理盐水的剂量为10 nmol的ZIP注射入海马内可迅速逆转晚期LTP,且导致一日龄动物空间记忆的持续损失。
ZIP醋酸盐是蛋白激酶Mζ(PKMζ)的细胞可渗透抑制剂,PKMξ是一种参与LTP维持的组成型活性和非典型PKC同工酶。ZIP在体外选择性阻断PKMζ诱导的海马片突触增强。ZIP可逆转晚期LTP(IC50=1-2.5μM),并在体内集中给药后产生1天空间记忆的持续丧失。
ZIP acetate is a cell-permeable inhibitor of protein kinase Mζ (PKMζ), which is a constitutively active and atypical PKC isozyme involved in LTP maintenance. ZIP selectively blocks PKMζ-induced synaptic potentiation in hippocampal slices in vitro. ZIP reverses late-phase LTP (IC50 = 1-2.5 μM) and produces persistent loss of 1-day-old spatial memory following central administration in vivo.
烷基化肽-说明
专肽生物可提供多肽烷基化修饰,增加多肽一端的疏水性,例如常见的C18,C16,C14,C12,以及C6等,也可根据客户要求,接其他长度的烷基化链。
肉豆蔻酸修饰肽说明:
Myristyl group (Myristic acid), CH3(CH2)12–
肉豆蔻酸修饰肽的相关文献:
CPC Scientific serves as a supplier and partner to MYR Pharmaceuticals for developing bulevirtide (Hepcludex).
Nanoparticle delivery of immunostimulatory oligonucleotides enhances response to checkpoint inhibitor therapeutics
Buss, Colin G., and Sangeeta N. Bhatia. Proceedings of the National Academy of Sciences (2020).
European Commission (EC) Grants Conditional Marketing Authorization (CMA) for MYR Pharmaceuticals HEPCLUDEX®.
A comparison of modular PEG incorporation strategies for stabilization of peptide-siRNA nanocomplexes.
Lo, Justin H., et al. Bioconjugate Chemistry (2016).
DOI | 名称 | |
---|---|---|
10.1038/nn829 | Protein kinase Mξ is necessary and sufficient for LTP maintenance | 下载 |
10.1523/JNEUROSCI.5132-04.2005 | Persistent phosphorylation by protein kinase Mzeta maintains late-phase long-term potentiation | 下载 |
10.1126/science.1128657 | Storage of spatial information by the maintenance mechanism of LTP | 下载 |