CCND2 and astrocytoma (excluding glioblastoma): However, treatment with these compounds resulted in the onset of Cyclin D2 expression, assessed by both RT-PCR and qRT-PCR in five astrocytoma cell lines that did not initially express Cyclin D2 (A172, SW1783, T98G, CCF-STTG-1 and GOS-3) (Figures 6A-B) (Table 3).