نتایج جستجو برای: homeodomain proteins
تعداد نتایج: 558034 فیلتر نتایج به سال:
Trimeric Association of Hox and TALE Homeodomain Proteins Mediates Hoxb2 Hindbrain Enhancer Activity
Aberrant expression of the TLX1/HOX11 proto-oncogene is associated with a significant subset of T-cell acute lymphoblastic leukemias (T-ALL). Yet the manner in which TLX1 contributes to oncogenesis is not fully understood. Since, typically, interactions of HOX and TALE homeodomain proteins are determinant of HOX function, and HOX/MEIS co-expression has been shown to accelerate some leukemias, w...
A new family of homeodomain proteins has recently been identified that includes extradenticle, ceh-20 and three mammalian proteins Pbx1, Pbx2 and Pbx3. We show here that two members of this family, Pbx1 and Pbx2 bind cooperatively to DNA with both Hoxb-7 and Hoxb-8. Engrailed-2 modulates the DNA binding activity of the Pbx proteins to a different target site. E2A-Pbx1, a chimeric Pbx1 gene prod...
We review here old experiments that defined the existence of morphogenetic gradient fields in vertebrate embryos. The rather abstract idea of cell fields of organ-forming potential has become less popular among modern developmental and molecular biologists. Results obtained with antibodies directed against homeodomain proteins suggest that gradient fields may indeed be visualized at the level o...
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