Table 1.

Immunoreactivity of GABA, GAD65 and PCNA in epithelium of rat jejunum

	Crypt			Villus
	Lower	Middle	Upper	Basal	Middle	Top
PCNA	++	+++	±	±	±	-
GABA	±	-	+	+	++	++
GAD65	±	-	-	±	++	++

- negative, ± faint positive, + mild positive, ++ moderate positive, +++ strong positive.