Synergistic Effects of Sulfated Polysaccharides from Mexican Seaweeds against Measles Virus

Table 1

Cytotoxic effect, antiviral activity, and selectivity index of SPs.

Algae	CC50 (μg/mL)	IC50 (μg/mL)	SI
Macrocystis pyrifera	>1500	1.00	>1500
Eisenia arborea	>1500	0.275	>5454.54
Pelvetia compressa	>1500	1.00	>1500
Ulva intestinalis	>1500	3.6	>416.7
Solieria filiformis	>1500	0.985	>1522.84

Algal sulfated polysaccharide extract. Concentration of test compound (μg/mL) that reduced Vero cell viability by 50%. Concentration of a test compound that reduced the number of MeV syncytia in Vero cells by 50%. Selectivity index value.