Microenvironmental regulation of proliferation in multicellular spheroids is mediated through differential expression of cyclin-dependent kinase inhibitors.

@article{LaRue2004MicroenvironmentalRO,
  title={Microenvironmental regulation of proliferation in multicellular spheroids is mediated through differential expression of cyclin-dependent kinase inhibitors.},
  author={Karen E A LaRue and Mona A Khalil and James P. Freyer},
  journal={Cancer research},
  year={2004},
  volume={64 5},
  pages={1621-31}
}
Multicellular spheroids composed of transformed cells are known to mimic the growth characteristics of tumors and to develop gradients in proliferation with increasing size. This progressive accumulation of quiescent cells is presumably an active process that occurs in response to the microenvironmental stresses that develop within the three-dimensional structure, and, yet, little is known regarding either the signals that induce the cell cycle arrest or the molecular basis for the halt in… CONTINUE READING
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