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Detection of molecular marker proteins in epididymal cell lines

Proteins	PC1	DC1	DC2	DC3	DC1N1

Cytokeratin^*	+ ${dagger}$	+	+	+	+
Androgen receptor ${ddagger}$	+	+	+	+	+
SV40 T antigen $§$	+	+	+	+	+
Neo-PTase $§$	-	-	-	-	+
CRISP1^* ${ddagger}$	-	-	-	-	-
PEB-like protein^* ${ddagger}$ $§$	+	+	+	+	+
mE-RABP ${ddagger}$ $§$	+	+	+	+	+
mEP17 $§$	-	-	+	-	+

^*Detected by immunocytochemistry.
${dagger}$ + indicates positive; -, negative.
${ddagger}$ Detected by Western blotting.
$§$ Detected by RT-PCR analysis.