SML2988
Tat-NR2B9c trifluoroacetate
≥95% (HPLC)
别名:
NA-1, trifluoroacetate salt, Tyr-Gly-Arg-Lys-Lys-Arg-Arg-Gln-Arg-Arg-Arg-Lys-Leu-Ser-Ser-Ile-Glu-Ser-Asp-Val, trifluoroacetate salt, YGRKKRRQRRR-KLSSIESDV, trifluoroacetate salt
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About This Item
经验公式（希尔记法）:
C105H188N42O30 · xC2HF3O2
CAS号:
分子量:
2518.88 (free base basis)
UNSPSC代码:
12352200
NACRES:
NA.77
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生化/生理作用
NMDAR-PSD-95 interaction blocking peptide with neuroprotective efficacy in vitro and in vivo.
Tat-NR2B9c (NA-1) is a 20-mer peptide composed of a membrane-permeant HIV-1 Tat protein transduction domain sequence (a.a. 47-57) N-terminal to the NMDA receptor (NMDAR) GluN2B carboxyl tail sequence KLSSIESDV that blocks intracellular NMDAR-PSD-95 interaction-induced neurotoxic signaling without affecting NMDAR-mediated synaptic activity or calcium influx. NA-1 protects cultured cortical neurons from NMDA excitotoxicity (50 nM; 20/40/100 μM NMDA) and reduces focal ischemic brain damage in rats in vivo (3 μmol/kg iv. bolus 1 hr post MCAO onset).
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
新产品
历史批次信息供参考:
Diego Milani et al.
Neuroscience research, 114, 9-15 (2016-09-19)
We examined the efficacy of R18 in a transient MCAO model and compared its effectiveness to the well-characterized neuroprotective NA-1 peptide. R18 and NA-1 peptides were administered intravenously (30, 100, 300, 1000nmol/kg), 60min after the onset of 90min of MCAO.
Michelle Aarts et al.
Science (New York, N.Y.), 298(5594), 846-850 (2002-10-26)
N-methyl-D-aspartate receptors (NMDARs) mediate ischemic brain damage but also mediate essential neuronal excitation. To treat stroke without blocking NMDARs, we transduced neurons with peptides that disrupted the interaction of NMDARs with the postsynaptic density protein PSD-95. This procedure dissociated NMDARs
Lucy M Teves et al.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism, 36(3), 555-561 (2015-12-15)
Tat-NR2B9c, a clinical-stage stroke neuroprotectant validated in rats and primates, was recently deemed ineffective in mice. To evaluate this discrepancy, we conducted studies in mice subjected to temporary middle cerebral artery occlusion (tMCAO) for either 30 or 60 min according to
Yue Liu et al.
Anesthesia and analgesia, 118(6), 1345-1354 (2014-05-21)
N-methyl-D-aspartate receptor (NMDARs)-dependent central sensitization plays an important role in cancer pain. Binding of NMDAR subunit 2B (NR2B) by postsynaptic density protein-95 (PSD-95) can couple NMDAR activity to intracellular enzymes, such as neuronal nitric oxide synthase (nNOS), facilitate downstream signaling
Gabriella MacDougall et al.
Journal of molecular neuroscience : MN, 61(2), 235-246 (2016-11-21)
We have previously reported that cationic poly-arginine and arginine-rich cell-penetrating peptides display high-level neuroprotection and reduce calcium influx following in vitro excitotoxicity, as well as reduce brain injury in animal stroke models. Using the neuroprotective peptides poly-arginine R12 (R12) and
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