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用途:
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
Atypical E2F transcription factor that participates in various processes such as angiogenesis and polyploidization of specialized cells. Mainly acts as a transcription repressor that binds DNA independently of DP proteins and specifically recognizes the E2 recognition site 5'-TTTC[CG]CGC-3'. Directly represses transcription of classical E2F transcription factors such as E2F1: component of a feedback loop in S phase by repressing the expression of E2F1, thereby preventing p53/TP53-dependent apoptosis. Plays a key role in polyploidization of cells in placenta and liver by regulating the endocycle, probably by repressing genes promoting cytokinesis and antagonizing action of classical E2F proteins (E2F1, E2F2 and/or E2F3). Required for placental development by promoting polyploidization of trophoblast giant cells. Acts as a promoter of sprouting angiogenesis, possibly by acting as a transcription activator: associates with HIF1A, recognizes and binds the VEGFA promoter, which is different from canonical E2 recognition site, and activates expression of the VEGFA gene.
基因功能參考文獻(xiàn):
MiR-1258 may function as a suppressive factor by negatively controlling E2F8 PMID: 30144184
High E2F8 expression is associated with breast cancer. PMID: 26992224
E2F8 can shorten cisplatin induced G2/M arrest by promoting MASTL mediated mitotic progression in ER+ breast cancer cells, conferring drug resistance. PMID: 28605876
Study provides evidence that E2F8 functions as a proliferation-related oncogene in papillary thyroid cancer progression. Moreover, miR-144 appears to be a tumor suppressor through direct inhibition of E2F8. PMID: 28270228
Results showed that E2F8 is up-regulated in metastatic prostate cancer and associated with poor prognosis. These results indicate that E2F8 is a crucial transcription regulator controlling cell cycle and survival in prostate cancer cells. PMID: 27683099
E2F8-mediated transcriptional repression is a critical tumor suppressor mechanism during postnatal liver development PMID: 27454291
transcription factor E2F8 is involved in the polyploidization during mouse and human decidualization PMID: 25892397
E2F8 is overexpressed in Lung Cancer and is required for the growth of LC cells. E2F8 knockdown reduced the expression of UHRF1. These findings implicate E2F8 as a novel therapeutic target for LC treatment. PMID: 26089541
The results identify E2F8 as a repressor and E2F1 as an activator of a transcriptional network controlling polyploidization in mammalian cells. PMID: 23064264
Analyses indicated that E2F8 could bind to regulatory elements of cyclin D1, regulating its transcription and promoting accumulation of S-phase cells. Findings suggest that E2F8 contributes to the oncogenic potential of HCC PMID: 20068156
The similarities between E2F-7 and E2F-8 define a new subgroup of the E2F family, and further imply that E2F-7 and E2F-8 may act through overlapping mechanisms in mediating cell cycle control. PMID: 15897886
E2F8 may have an important role in repressing the expression of E2F-target genes in the S-phase of the cell cycle. PMID: 16179649
E2F7 and E2F8 act upstream of E2F1, and influence the ability of cells to undergo a DNA-damage response. PMID: 18202719