Table 2 Spinal cord stimulation exerts analgesia by activating specific receptor subtypes

5-HT

5-HT₁:

5-HT₂:

5-HT₃:

5-HT₄:

5-HT₆:

5-HT₇:

↔ ^{(Song et al., 2011)}

↑ ^{(Barchini et al., 2012)}

↑ ^{(Song et al., 2011; Barchini et al., 2012)}

↑↑ ^{(Song et al., 2011)}

↑ ^{(Song et al., 2011)}

↔ ^{(Song et al., 2011)}

↔ ^{(Song et al., 2011)}

GABA

GABA_A:

GABA_B:

↑ ^{(Duggan & Foong, 1985; Song et al., 2011; Barchini et al., 2012)}

↔ ^{(Cui et al., 1996)}

↑↑ ^{(Song et al., 2009; Song et al., 2011; Cui et al., 1996; Barchini et al., 2012)}

NE

α1 adrenergic:

α2 adrenergic:

β1 adrenergic:

β2 adrenergic:

↑ ^{(Barchini et al., 2012)}

↑↑ ^{(Barchini et al., 2012; Schechtmann et al., 2004)}

↑ ^{(Barchini et al., 2012)}

↑ ^{(Barchini et al., 2012)}

Dopamine

D2

D3

↑ ^{(Barchini et al., 2012)}

↑ ^{(Barchini et al., 2012)}

ACh

M1 mAChR:

M2 mAChR:

M3 mAChR:

M4 mAChR:

nAChR:

↑ ^{(Schechtmann et al., 2008)}

↑ ^{(Schechtmann et al., 2008; Song et al., 2008)}

↔ ^{(Schechtmann et al., 2008)}

↑↑ ^{(Schechtmann et al., 2008; Song et al., 2008)}

↔ ^{(Song et al., 2009)}

↔ ^{(Schechtmann et al., 2008)}