1. sialylation observed following DQ 2 and mammalian membrane-bound and soluble
2. MnO2 treatment might be of importance. Gal-specific lectins (11 36) and for natu
3. This observation is consistent with the con- rally occurring anti-Gal antibodies (11 12).
4. cept that mineral particles activate macro- The biological significance of these Gal-spe
5. phages; reduction in glycoprotein sialylation cific molecules has yet to be fully under