The cDNA fragments used in the synthesis of RNA
probes were as follows: the fragment corresponding to
+2521 to +2874 of rat LDLR cDNA (Sawady Technology
Co Ltd, Tokyo, Japan) and the fragment corresponding to
+576 to +960 of rat 3-hydroxy-3-methylglutaryl coenzyme
A (HMG-CoA) reductase cDNA (Sawady Technology Co
Ltd, Tokyo, Japan)