Words similar to m-m

Example sentences for: m-m

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Cortical astrocytes were harvested from neonatal C57BL/6 mice and infected with a replication-defective retrovirus encoding Tag and neomycin resistance as previously described [ 13 ] . The transferred viruses were SV40-6 [ 5 ] , in which wild type Tag is expressed from the M-MuLV LTR promoter; SV(X)T K1, which is constructed the same as SV40-6 except that the Tag is mutant [ 38 ] and defective for binding the retinoblastoma protein family [ 39 ] ; Linker-tkT, in which the cDNA for Tag is expressed from the herpes simplex 1 tk promoter [ 11 ] . The differentiation and transformation phenotypes of the cell lines utilizing the M-MuLV LTR promoter have been described [ 6 13 ] . The Linker-tkT lines (tkT) were either isolated as clones after G418 selection (as previously described) [ 6 ] or frozen immediately after selection (pooled clones) and clonally selected at a later time.