Cellular and molecular characteristics of blastoderm adhesion of the chick embryo
Yuna Jo, Ju Hyeon Kim, Hyung Chul Lee · 2026
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Description
Yuna Jo, Ju Hyeon Kim, and Hyung Chul Lee studied in 2026 how the edge of a chick embryo's early cell sheet grips the membrane around the yolk. It needs that hold to spread evenly. Classical work showed the edge is naturally sticky, yet where that stickiness lives and how it changes over time were murky. The team cut tissue pieces from defined regions at several stages and laid them on the membrane to test their grip.
Pieces from edge regions stuck at every freshly cut side early on, while later the grip narrowed to the far edge only. In cultured pieces the sticky zone widened beyond its size in the intact embryo, and the molecular marks of edge identity spread unevenly through it. The authors conclude that physical grip and molecular identity are coordinated but partly independent.
Catalog record
| CREATOR | Yuna Jo, Ju Hyeon Kim, Hyung Chul Lee |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 20312 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |