Lin Chih-Min, Jiang Ting Xin, Widelitz Randall B, Chuong Cheng-Ming
Department of Pathology, Keck School of Medicine, University of Southern California, 2011 Zonal Avenue, Los Angeles, CA 90033, USA.
Curr Opin Cell Biol. 2006 Dec;18(6):730-41. doi: 10.1016/j.ceb.2006.10.009. Epub 2006 Oct 17.
The development and regeneration of feathers have gained much attention recently because of progress in the following areas. First, pattern formation. The exquisite spatial arrangement provides a simple model for decoding the rules of morphogenesis. Second, stem cell biology. In every molting, a few stem cells have to rebuild the entire epithelial organ, providing much to learn on how to regenerate an organ physiologically. Third, evolution and development ('Evo-Devo'). The discovery of feathered dinosaur fossils in China prompted enthusiastic inquiries about the origin and evolution of feathers. Progress has been made in elucidating feather morphogenesis in five successive phases: macro-patterning, micro-patterning, intra-bud morphogenesis, follicle morphogenesis and regenerative cycling.
由于以下领域取得的进展,羽毛的发育和再生最近备受关注。第一,模式形成。这种精妙的空间排列为解码形态发生规则提供了一个简单模型。第二,干细胞生物学。在每次换羽过程中,少数干细胞必须重建整个上皮器官,这为了解如何在生理上再生一个器官提供了很多研究内容。第三,进化与发育(“Evo-Devo”)。在中国发现的带羽毛恐龙化石引发了人们对羽毛起源和进化的热烈探究。在阐明羽毛形态发生的五个连续阶段方面取得了进展:宏观模式形成、微观模式形成、芽内形态发生、毛囊形态发生和再生循环。