Because many authors of scientific manuscripts make the minor error of using a homoglyph, sharp s (ß), instead of beta (β), mentions of "IL-1ß" [sic] often become "IL-1ss" [sic] upon automated transcoding (because ß transcodes to ss).
Because many authors of scientific manuscripts commit a minor error by using a homoglyph, sharp s (ß), instead of beta (β), mentions of "IL-1ß" [sic] frequently become "IL-1ss" [sic] during automated transcoding (since ß is converted to ss).