Galanin in Alzheimer Disease

Table 4.

Ki of Nonspecific GALR Ligands at Cloned Rat GALRsa and Antagonist Actions of Chimeric GAL Peptides on Rat Behavioral Assaysb

GAL ligand GALR1 GALR2 (nM range) GALR3 Antagonist actions in vivo
a Adapted from (80 , 83) ; b References in parentheses
GAL (1–29) 1 1 1
GAL (1–16) 5 5 50
GAL (2–29) 100 1 10
GAL (3–29) 1000 1000 1000
C7
[GAL(1–13)-spantide-amide] 20 20 1 Inhibits nociceptive flexor reflex and blocks feeding (149 , 159)
M15
[GAL(1–13)-substance 10 1 100 Improves social recognition social memory task (160)
P(5–11)amide] Galantide
M35
[GAL(1–13)-bradykinin(2–9)amide] 1 1 10 Facilitates acquisition of Morris spatial memory task (21)
M40
[GAL(1–13)-PPALALA-amide] 5 1 50 Facilitates delayed nonmatching to position working memory task (19)

This Article

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