Amino sugar-based therapy for blood-stage Plasmodium infection: D-Glucosamine (GlcN), an amino sugar, decreases the expression of CTLA-4, PD-L1 and LAG-3, promotes CD4+ T-cell function, increases secretion of protective antibodies, promotes and clear blood-stage malaria via up regulation of its target gene, 10/April/2018, 7.28 pm