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Advanced prostate cancer is not curable by current treatment strategies indicating a significant need for new chemotherapeutic options. Highly substituted ansa-titanocene compounds have shown promising cytotoxic activity in a range of cancers. The objectives of this study are to examine the effects of these titanocene compounds on prostate cancer cells. Prostate cell lines were treated with three...
HL-60 cell differentiation into neutrophil like cells is associated with their induction of apoptosis. We investigated the cellular events that occur pre and post mitochondrial permeability transition to determine the role of the mitochondria in the induction of differentiation induced apoptosis. Pro-apoptotic Bax was translocated to and cleaved at the mitochondrial membrane in addition to t-Bid activation...
The most recently identified members of the p53 family, p63 and p73, share certain structural and functional similarities with p53. Both p63 and p73 can bind to canonical p53-DNA-binding sites, transactivate the promoters of known p53 target genes and induce apoptosis. Despite these similarities there are many important differences. In contrast to p53, p63 and p73 give rise to multiple distinct protein...
Enamel-producing cells (ameloblasts) pass through several phenotypic and functional stages during enamel formation. In the transition between secretory and maturation stages, about one quarter of the ameloblasts suddenly undergo apoptosis. We have studied this phenomenon using the continuously erupting rat incisor model. A special feature of this model is that all stages of ameloblast differentiation...
Insulin-like growth factor-I (IGF-I) is a pleiotrophic polypeptide which appears to have roles both as a circulating endocrine hormone and as a locally synthesized paracrine or autocrine tissue factor. IGF-I plays a major role in regulating the growth of cells in vivo and in vitro and initiates metabolic and mitogenic processes in a wide variety of cell types by binding to specific type I receptors...
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