Dora B Bocangel

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PURPOSE AND EXPERIMENTAL DESIGN The contributions of O6-methylguanine-DNA-methyltransferase(MGMT), p53 status, mismatch repair, and apoptotic response to the resistance of glial tumors to temozolomide (TMZ) were tested using seven established human glial tumor cell lines in culture and xenografts in athymic mice. RESULTS Resistance to TMZ was only(More)
We compared the effects of glial cell line-derived neurotrophic factor (GDNF) on dorsal root ganglion (DRG) sensory neurons to that of nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), and neurotrophin 3 (NT-3). All of these factors were retrogradely transported to subpopulations of sensory neuron cell bodies in the L4/ L5 DRG of neonatal(More)
Methionine deprivation stress (MDS) eliminates mitotic activity in melanoma cells regardless of stage, grade, or TP53 status, whereas it has a negligible effect on normal skin fibroblasts. In most cases, apoptosis accounts for the elimination of up to 90% of tumor cells from the culture within 72 hours after MDS, leaving a scattered population of(More)
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