similar ultrastructural changes and increases in the intracellular pools of udp-sugars were observed in l1210 cells exposed to 5 mm d-glucosamine , which suggested that the antiproliferative effects of tunicamycin may be related to the accumulation in the endoplasmic reticulum of one or more nucleotide sugar precursors of asparagine-linked glycoprotein biosynthesis .
C0007634
cells
C0014239
endoplasmic reticulum