Cyclo-Gly-Pro is a neuro-protective compound, an endogenous diketopiperazine, which enhances memory. In the animal model of PD, the compound improved functional recovery when administered after the onset of dyskinesia. It appears that the compound recovery function may result from non-proliferative neurogenesis that results from the inhibition of apoptosis of stem cells and/or the promotion of neuronal-orientated proliferation in the SVZ (subventricular zone).
The current study describes the neuroprotective effects of an endogenous diketopiperazine, cyclo-glycyl-proline (cyclic GP), in rats with hypoxic-ischemic brain injury and the pre-clinical development of an analogue, cyclo-L-glycyl-L-2-allylproline (NNZ 2591), modified for improved bioavailability. The compounds were given either intracerebroventricularly
International journal of peptide and protein research, 34(4), 299-305 (1989-10-01)
The complexation of cyclo(Pro17O-Gly15N) and cyclo(Gly17O-Pro) with Co2+ ions has been studied by 17O, 14N and 15N n.m.r. spectroscopy in aqueous solution. 17O, 14N and 15N transverse relaxation times and chemical shifts were measured as a function of temperature. The
Journal of medicinal chemistry, 47(23), 5713-5720 (2004-10-29)
Family 18 chitinases play an essential role in a range of pathogens and pests. Several inhibitors are known, including the potent inhibitors argadin and allosamidin, and the structures of these in complex with chitinases have been elucidated. Recent structural analysis
Proceedings of the National Academy of Sciences of the United States of America, 86(20), 7880-7884 (1989-10-01)
Calcium plays a crucial role in many cellular processes. Its functions are directly dependent on the high specificity for Ca2+ exhibited by the proteins and ion carriers that bind divalent ions. To elucidate the basis for this specificity we have
Scandinavian journal of immunology, 76(2), 131-140 (2012-05-23)
This study was undertaken to isolate active secondary metabolites from immunostimulatory Alcaligenes faecalis FY-3 and evaluate their activities using grass carp Ctenopharyngodon idella kidney (CIK) cells. By applying chromatography techniques and successive recrystallization, three purified metabolites were obtained and identified
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