Purine metabolism enhances neovascularization of type H vessels in the induced membrane technique
Yung-Heng Hsu, Guan-Lin Lee, Yu-Chih Lin, Mei-Feng Chen, Yuhan Chang, Ying-Yu Wu, Chih-Chien Hu · 2026
Read Purine metabolism enhances neovascularization of type H vessels in the induced membrane technique by Yung-Heng Hsu, Guan-Lin Lee, Yu-Chih Lin, Mei-Feng Chen, Yuhan Chang, Ying-Yu Wu, Chih-Chien Hu (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/PMC13461154.txt.
Description
Yung-Heng Hsu and colleagues investigated in 2026 how purine metabolism feeds new blood vessel growth inside the membrane that surgeons grow around a spacer. The membrane belongs to the induced membrane technique for large bone defects. Chemical profiling in a rat model flagged purine pathways as the standout signal, with four purine breakdown products moving in step in both blood and the membrane itself. Tissue staining showed plentiful type H vessels, a vessel subtype tightly coupled to bone formation.
Blocking purine metabolism in cultured vessel-lining cells suppressed that special vessel type, while adding back inosine, hypoxanthine, or xanthosine revived it. Two of those molecules mirrored each other in blood and membrane, making them candidate blood indicators of membrane readiness. The findings point to metabolic levers for improving the two-stage repair.
Catalog record
| CREATOR | Yung-Heng Hsu, Guan-Lin Lee, Yu-Chih Lin, Mei-Feng Chen, Yuhan Chang, Ying-Yu Wu, Chih-Chien Hu |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 65496 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |