Am J Physiol Gastrointest Liver Physiol
February 2009
Enterocytes of the intestinal epithelium are continually regenerated. They arise from precursor cells in crypts, migrate along villi, and finally die, 3-4 days later, when they reach the villus apex. Their death is thought to occur by anoikis, a form of apoptosis induced by cell detachment, but the mechanism of this process remains poorly understood.
View Article and Find Full Text PDFCadherins are transmembrane glycoproteins involved in cell-cell adherence. Recent developments indicate that classical cadherins may act as adherence-activated signaling receptors. Here, we review recent data from the literature concerning the role of classical cadherins in the control of cell survival and the signaling pathways involved.
View Article and Find Full Text PDFAnoikis, i.e. apoptosis induced by detachment from the extracellular matrix, is thought to be involved in the shedding of enterocytes at the tip of intestinal villi.
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