Galanin in Alzheimer Disease

Table 5.

GALR Subtype Specific Ligands

GAL liganda GALR subtype specificity IC50
a References in parentheses b GALNON is presently the only systemically active GALR agonist.
AR-M1896 GALR2 agonist 1.76 nM (rat GALR2)
GAL(2–11)-NH2(142) 879 nM (hGALR1)
AR-M961 GALR1 agonist 1.74 nM (hGALR1)
[Sar(1), D-Ala12 ]Gal(1–16)-NH2(142) GALR2 agonist 403 pM (rat GALR2)
Sch202596 GALR1 antagonist 1.7 μ M (hGALR1)
Spirocoumaranon(153 , 155)
PS 766257 hGALR1 agonist Not reported
Structure unknown(154)
RWJ-57408 hGALR1 antagonist
dithiepin-1,1,4,4-tetroxide(143) 170 nM (hGALR1)
GALNON hGALR agonist (specificity not established) 4.8 μ M (Ki at hGALR1)
Fmoc-cyclohexylalanine-Lys-amidomethylcoumarin,(136)

This Article

  1. MI May 2003 vol. 3 no. 3 137-156