Caenorhabditis elegans as a model for stem cell biology.
Caenorhabditis elegans as a model for stem cell biology.
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DOI:
10.1002/dvdy.22296
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发表时间:
2010-05
影响因子:
2.5
通讯作者:
Rothman, Joel H.
中科院分区:
文献类型:
--
作者:
Joshi, Pradeep M.;Riddle, Misty R.;Djabrayan, Nareg J. V.;Rothman, Joel H.
We review the application of C. elegans as a model system to understand key aspects of stem cell biology. The only bona fide stem cells in C. elegans are those of the germline, which serves as a valuable paradigm for understanding how stem cell niches influence maintenance and differentiation of stem cells and how somatic differentiation is repressed during germline development. Somatic cells that share stem cell-like characteristics also provide insights into principles in stem cell biology. The epidermalseam cell lineages lend clues to conserved mechanisms of self-renewal and expansion divisions. Principles of developmental plasticity and reprogramming relevant to stem cell biology arise from studies of natural transdifferentiation and from analysis of early embryonic progenitors, which undergo a dramatic transition from a pluripotent, reprogrammable condition to a state of committed differentiation. The relevance of these developmental processes to our understanding of stem cell biology in other organisms is discussed.
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