Dorothy F. Sobieszczuk

Learn More
Cranial neural crest cells are a pluripotent population of cells derived from the neural tube that migrate into the branchial arches to generate the distinctive bone, connective tissue and peripheral nervous system components characteristic of the vertebrate head. The highly conserved segmental organisation of the vertebrate hindbrain plays an important(More)
Neuronal differentiation is regulated by proneural genes that promote neurogenesis and inhibitory mechanisms that maintain progenitors. This raises the question of how the up-regulation of proneural genes required to initiate neurogenesis occurs in the presence of such inhibition. We carried out loss and gain of gene function, an interaction screen for(More)
Within the developing vertebrate head, the migration of neural tube-derived neural crest cells (NCCs) through the cranial mesenchyme is patterned into three streams, with mesenchyme adjacent to rhombomeres (r)3 and r5 maintained NCC-free. The receptor tyrosine kinase erbB4 is expressed within r3 and r5 and is required to maintain the r3-adjacent NCC-free(More)
Previous studies have demonstrated that depletion of Gas7 impedes neurite outgrowth in primary cultures of Purkinje neu-rons, and that Gas7 promotes neurite outgrowth in PC12 cells. To investigate the physiological function of Gas7, we generated by homologous recombination a Gas7-mutant mouse which produced a Gas7 variant protein with an in-frame deletion(More)
Previous studies have demonstrated that depletion of Gas7 impedes neurite outgrowth in primary cultures of Purkinje neu-rons, and that Gas7 promotes neurite outgrowth in PC12 cells. To investigate the physiological function of Gas7, we generated by homologous recombination a Gas7-mutant mouse which produced a Gas7 variant protein with an in-frame deletion(More)
  • 1