Table 1.

Relative signal intensities of interactions for the sera, depleted sera (DS), and IgG fraction of ADHD and control samples with 11 lectins (and their simplified sugar specificities) measured by the lectin-based glycoprotein microarray. Statistically significant differences (t-test, ** p < 0.01, * p < 0.05) between the ADHD and control groups are shown in bold.

Lectin			SNA	ConA	RCA	LCA	AAL	PHA-E	PhoSL	WGA	MAL-II	PHA-L	MAL-I
Sugar Specificity			α2-6 SA	Man	Gal, GalNAc	Man (with Core Fuc)	Fuc	2/3 Ant. Bisecting CNG	Core Fuc	GlcNAc, SA	α2-3 SA	3/4 Ant CNG	α2-3 SA
Relative signal intensity (%)	Serum	ADHD	40.95	24.01	17.36	3.59	5.54 **	2.23	3.30	1.74 *	0.99	0.29	n.a.
		Controls	41.52	24.14	16.89	3.55	4.73 **	2.53	3.27	1.90 *	1.10	0.38	n.a.
	Depleted serum	ADHD	30.95	23.34 *	26.02 *	2.91	4.85	4.18 **	1.34	4.85	1.09 **	0.19	0.26
		Controls	30.15	24.22 *	24.81 *	3.24	4.38	4.93 **	1.31	5.08	1.34 **	0.20	0.34
	IgG	ADHD	16.69 *	21.52	13.37	22.57	10.80 *	11.28	1.66	1.21	0.07	0.78	0.06
		Controls	22.37 *	20.07	13.57	20.92	9.05 *	10.21	1.84	1.06	0.10	0.72	0.08

Ant—antennary; CNG—complex type N-glycans; Fuc—fucose; Gal—galactose; GalNAc—N-acetylgalactosamine; GlcNAc—N-acetylglucosamine; Man—mannose; SA—sialic acid; n.a.—value not available due to SNR < 3.