Jiangwen Zhu

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POP-1, a Tcf/Lef-1-like target of the convergent Wnt and MAP kinase (MAPK) signaling pathways, functions throughout Caenorhabditis elegans development to generate unequal daughters during asymmetric cell divisions. A particularly prominent such asymmetric division occurs when the EMS blastomere divides to produce MS, a mesoderm precursor, and E, the sole(More)
Specification of the endoderm precursor, the E cell, in Caenorhabditis elegans requires a genomic region called the Endoderm Determining Region (EDR). We showed previously that end-1, a gene within the EDR encoding a GATA-type transcription factor, restores endoderm specification to embryos deleted for the EDR and obtained evidence for genetic redundancy in(More)
In order to assess the in vivo function of integrins containing the beta8 subunit, we have generated integrin beta8-deficient mice. Ablation of beta8 results in embryonic or perinatal lethality with profound defects in vascular development. Sixty-five percent of integrin beta8-deficient embryos die at midgestation, with evidence of insufficient(More)
The vertebrate vascular network is essential for embryonic survival. The basic structural unit, a blood vessel, is assembled through two processes, vasculogenesis and angiogenesis, followed by the recruitment of vascular support cells (Risau, 1997). Proper patterning of the vascular network, however, requires further morphogenic events, including vessel(More)
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