GLT1D1 and mantle cell lymphoma: In this study, through comparing the highly curable DLBCL and the incurable MCL cells, or comparing DLBCL patients with good prognosis and poor prognosis for their expression of genes involved protein glycosylation, we found that GLT1D1 expression was highly expressed in the incurable MCL cells and in poor prognosis DLBCL patients who relapsed within 6 months of initial treatment.