Adhesion molecules in human trophoblast - a review. II. extravillous trophoblast.
Harris. L K LK; Jones. C J P CJ; Aplin. J D JD
Key Findings
- Cytotrophoblast cells form multilayered columns using desmosomes and intermediate filaments
- Beta‑1 integrins increase as cells detach and migrate into the uterus
- Different extravillous trophoblast groups show distinct adhesion molecule profiles
Practical Outcomes
- There are no direct take‑aways for biohackers or anyone looking to improve metabolism, body composition, or cognitive performance. The findings are specific to placental biology and don’t translate into actionable health protocols.
Summary
The paper reviews how certain placenta cells stick together and move, describing the proteins they use, but it doesn’t give any tips or data that can be used for health, longevity, or performance improvements.
Abstract
At the tips of anchoring villi, cytotrophoblast (CTB) proliferation leads to a process of multilayering in which cells lose their attachment to the villous basement membrane and develop into columns, within which they adhere to one another using desmosomes, with associated intermediate filament bundles. Non-desmosomal cadherins, tight junction proteins and other adhesion molecules are also present, suggesting that actin-associated adhesions contribute to placental anchorage. In the distal columns, cell-cell interactions diminish, cells upregulate beta1 integrins and bind to a provisional fibrinoid extracellular matrix, eventually detaching to migrate into the decidual stroma and myometrium, where interstitial and endovascular extravillous trophoblast (EVT) populations show distinct repertoires of adhesion molecules.
Study Information
pubmed
2009
2009-01-07T00:00:00.000Z
10.1016/j.placenta.2008.12.003
105
140