Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Cell viability of normal L929 cells (A) and tumor Hep-2 (B) cells after cultivation with different concentrations of marine GAG extract from Rapana venosa, before and after enzymatic digestion with heparinase III (Hep III) and chondroitinase ABC (Chase ABC) for 72 h, assessed by MTT assay. The results are expressed as mean values ± SD (n = 6). *p<0.05, compared to negative control (C-).
