BACKGROUND Anorectal malformations (ARMs) represent a variety of congenital disorders that involve abnormal termination of the anorectum. This study was to reveal relation between CDX1 and human ARMs phenotypes. METHODS 108 Chinese patients and 120 Chinese controls were included in this study. We analyzed the relation between two by PCR, qRT-PCR, western blot and immunofluorescence. RESULTS...

Gastrulation is characterized by the differentiation of pluripotent cells to generate the germ layers, morphogenetic movements, a decrease in cell proliferation and establishment of the embryonic axes. We show by Cdx1 knock-down that it functions as a regulator of the onset of gastrulation in agreement with its early expression. In a microarray-based approach to search for Cdx1 targets, we iden...

BACKGROUND CDX1 and CDX2 are members of the caudal-type homeobox gene family and control the proliferation and differentiation of intestinal mucosal cells. Their expressions are commonly reduced in colorectal cancer, but reports about the relationships between their expressions and clinicopathologic features are rare. The aim of this study was to examine the expressions of CDX1 and CDX2 mRNAs i...

Gastrulation is characterized by the differentiation of pluripotent cells to generate the germ layers, morphogenetic movements, a decrease in cell proliferation and establishment of the embryonic axes. We show by Cdx1 knock-down that it functions as a regulator of the onset of gastrulation in agreement with its early expression. In a microarray-based approach to search for Cdx1 targets, we iden...

We have previously reported that the CDX1 homeoprotein interacts with the TATA-box binding protein (TBP) on the promoter of the glucose-6-phosphatase (G6Pase) gene. We show here that CDX1 interacts with TBP via the homeodomain and that the transcriptional activity additionally requires the N-terminal domain upstream of the homeodomain. CDX1 interacting with TBP is connected to members of the TF...

The caudal-related homeodomain transcription factors Cdx1 and Cdx2 are expressed in the developing endoderm with expression persisting into adulthood. Cdx1(-/-) mutants are viable and fertile and display no overt intestinal phenotype. Cdx2 null mutants are peri-implantation lethal; however, conditional mutation approaches have revealed that Cdx2 is required for patterning the intestinal epithel...

Gastrulation is characterized by the differentiation of pluripotent cells to generate the germ layers, morphogenetic movements, a decrease in cell proliferation and establishment of the embryonic axes. We show by Cdx1 knock-down that it functions as a regulator of the onset of gastrulation in agreement with its early expression. In a microarray-based approach to search for Cdx1 targets, we iden...

Exogenous retinoic acid (RA) can evoke vertebral homeosis when administered during late gastrulation. These vertebral transformations correlate with alterations of the rostral limit of Hox gene expression in the prevertebrae, suggesting that retinoid signaling regulates the combinatorial expression of Hox genes dictating vertebral identity. Conversely, loss of certain RA receptors (RARs) result...

Intestinal metaplasia (IM) has been regarded as a premalignant condition. However, the pathogenesis of IM is not fully understood. The aim of this study was to evaluate the role of CDX1 and CDX2 in the formation of IM and the progression to dysplasia and gastric cancer (GC). A total of 270 subjects included 90 with GC, dysplasia and age- and sex-matched controls. Real-time PCR (RT-PCR) was perf...

The mammalian transcriptional factors, Cdx1 and Cdx2 (Cdx is caudal-type homeobox) are paralogues and critical for the cellular differentiation of intestinal or colorectal epithelia. It has been reported previously that in Cdx1 transgenic or knockout mice, endogenous Cdx2 levels are inversely correlated with Cdx1 levels. Recently, we found that exogenous Cdx1 expression can suppress Cdx2 in a h...