نتایج جستجو برای: cdx1
تعداد نتایج: 189 فیلتر نتایج به سال:
Overlapping functions of Cdx1, Cdx2, and Cdx4 in the development of the amphibian Xenopus tropicalis
We have identified a retinoic acid response element (RARE) within a neural enhancer located 3' to the Hoxd4 gene. This RARE is required for the initiation and maintenance of Hoxd4 transgene expression in neurectoderm, and for full anteriorized expression upon retinoic acid (RA) treatment. Mutations within the sequence TTTTCTG, located 2 bp downstream of the RARE, posteriorized transgene activit...
The vertebrate Cdx genes (Cdx1 Cdx2 and Cdx4 in the mouse) encode homeodomain transcription factors related to the Drosophila caudal gene. The vertebrate Cdx gene products have been implicated in the development of the posterior embryo. In particular, loss- and gain-of-function experiments suggest that Cdx members are direct regulators of Hox genes and likely impart posterior information, in pa...
Cdx genes (Cdx1, Cdx2, and Cdx4) encode a family of caudal-related transcription factors that mediate anterior-posterior patterning during embryogenesis through Hox gene regulation. Homologues in the zebrafish have been shown to play key roles in blood formation. To define the role of Cdx genes during embryonic hematopoiesis in a mammalian system, we examined the hematopoietic potential of Cdx-...
Hypermethylation of CpG islands in the promoter region of tumor suppressor genes (TSGs) and their subsequent silencing is thought to be one of the main mechanisms of carcinogenesis. MBD2b enrichment coupled with a NimbleGen array was applied to examine the genome-wide CpG island methylation profile of hepatocellular carcinoma (HCC). Hypermethylated DNA of 58 pairs of HCC and adjacent tissue sam...
Members of the caudal (cdx) family of homeobox proteins are essential regulators of embryonic blood development in zebrafish. Previously, we reported that the murine homologues (Cdx1, Cdx2, and Cdx4) affect formation and differentiation of embryonic stem cell (ESC)-derived hematopoietic progenitor cells. Consistent with the notion that embryonic pathways can reactivate during adult oncogenesis,...
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