... 5¢-TGTCCAAGGGTGTACATATCAACAT-3¢ (Mer,sense)and5¢-AGCCGAGGATGATGAACATAGAGT-3¢ (Mer,antisense),which generated a 700-bp Mer PCR product; 5¢-CGGCATTCCCTTCAAGGAGAGT-3¢ (Gas6,sense)and5¢-CTCAACTGCCAGGACCACCAACT-3¢ ... concentration of RNA was determinedby spectrophotometry at 260 nm, and its integrity wasassessed by agarose gel electrophoresis. PolyadenylatedRNA was prepared by oligo(dT) affinity chromatographyusing ... expressions of Axl and Rse,Mer expression increased from 5 days of age, attained thehighest peak at around 20 days, and declined steadilythereafter up to 90 days of age. Because of its uniqueexpression...