Table 1.

Pearson's correlation coefficient values (R) obtained from the linear regression analyses correlating spinal cord mRNA expression levels of TGF-β1, BMP-2, BMP-7, activin, SMAD4, TAK1, and BAMBI with the expression of genes encoding POMC, PENK, and PDYN

	TGF-β1		BMP-2		BMP-7		Activin		SMAD-4		TAK-1		BAMBI WT
	WT	KO	WT	KO	WT	KO	WT	KO	WT	KO	WT	KO	BAMBI WT
POMC	0.65^**	0.54^*	0.47^*	0.48^*	0.57^*	0.75^***	0.54^*	0.72^***	0.30	0.67^**	0.41	0.72^***	−0.62^*
PENK	0.76^***	0.65^**	0.69^**	0.65^**	0.80^***	0.71^***	0.58^*	0.63^**	0.64^**	0.80^***	0.73^***	0.70^***	−0.51^*
PDYN	0.71^***	0.72^***	0.75^***	0.80^***	0.68^***	0.83^***	0.61^**	0.68^**	0.39	0.68^***	0.45^*	0.77^***	−0.54^*

WT, Wild type; KO, knock-out.
↵*p < 0.05,
↵**p < 0.01, and
↵***p < 0.001.