Abstract
Arg-Gly-Asp (RGD)-containing peptide is a ligand for integrin αvβ3 and acts as an angiogenic inhibitor. A novel cyclic RGD peptide, cyclo(-RGDf=V-) (f=V), was synthesized and its biological activities were characterized and compared with its analogs, cyclo(-RGDfV-) (fV) and cyclo(-RGDf-MeV-) (fMeV). It bound to integrin αvβ3 with almost the same affinity as the fV and fMeV analogs. All three compounds inhibited the adhesion and growth of HUVEC cells in a dose-dependent manner in vitro. Out of three, fMeV had the strongest effect, f=V was almost as strong as fMeV, and fV had the least effect. However, in vivo, f=V significantly decreased the intratumoral microvessel density (MVD) in the DLD-1 (human colon cancer cell) inoculated mice, while fMeV had little effect. These results suggest the potential usefulness of the cyclo-(-RGDf=V-) as an antiangiogenic agent for clinical use in the future.
| Original language | English |
|---|---|
| Pages (from-to) | 711-717 |
| Number of pages | 7 |
| Journal | Biochemical and Biophysical Research Communications |
| Volume | 288 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 02-11-2001 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
All Science Journal Classification (ASJC) codes
- Biophysics
- Biochemistry
- Molecular Biology
- Cell Biology
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