Table 1. Efficacy of the native and recombinant Gal-lectin vaccine trials.
Antigen | Forma | Adjuvant/ Delivery |
Routeb | Dose of antigen (μg) | % Protective efficacyc | Ref. |
---|---|---|---|---|---|---|
260-kDa | Native | Freund’s | s.c. i.p. |
Wk 0, 2, 4: 10 Wk 0, 2, 4: 10 |
43-67 ALA 86 ALA |
35 |
260-kDa** | Native | CTB Freund’s |
i.n. i.p. |
Wk 0, 2, 6, 7, 9: 10 Wks 4, 7: 15 |
100 AC | 63 |
260-kDa** | Native | CpG-ODN | i.n. i.p. |
Wk 0, 1, 3, 5: 10 Wk 5: 10 |
100 ALA | 42 |
260-kDa | Native | EhDNA | i.m. | Wk 0, 1, 2: 10 | 100 ALA | 64 |
aa 1-1204* | Recombinant |
Yersinia enterocolitica |
Orally | Wk 0, 1, 2, 3, 4: 109 | 3-68 ALA | 65 |
aa 1-436 aa 436-624 aa 799-939 aa 939-1053 |
Recombinant | Freund’s | i.p. | Wk 0, 2, 4: 50 | 6.7 ALA 37.5 ALA 11.1 ALA 62.5 ALA |
41 |
aa 482-1138 | Recombinant His tagged Recombinant |
Freund’s Salmonella dublin |
i.p. Orally |
Wk 0, 4: 30 Days 1, 5, 7: 108-1010 |
45 ALA 18-28 ALA |
66 |
aa 578-1154** | Recombinant | CTB Freund’s |
i.n. i.p. |
Wk 0, 2, 6, 7, 9: 10 Wk 4:15 |
34–89 AC | 63 |
aa 649-1201 | Recombinant GST fusion | Freund’s | i.p. | Wk 0, 4, 7: 150 | 81 ALA | 67 |
aa 758-1134 | Recombinant His tagged | Titermax | i.p. | Wk 0, 2, 4: 10 | 71 ALA | 36 |
aa 895-998 | Recombinant His tagged |
Freund’s | i.p. | Wk 0, 2: 200 Wk 4: 400 |
N/A | 68 |
aa 1005-1029 aa 1005-1029* aa 1005-1029* |
Synthetic peptide, KLH fusion Recombinant CTB fusion Recombinant CTB fusion |
Freund’s None Freund’s |
i.p. Orally i.p. |
Wk 0, 2, 4: 50 Wk 0, 2, 4, 13: 100 Wk 0, 2, 4: 50 |
33 ALA 0-30 ALA 0-55 ALA |
69 |
aa, amino acid; CTB, cholera toxin b; ALA, amebic liver abscess; AC, amebic colitis; Wks, weeks; Cysteine-poor domain, aa 1–436; Pseudo-repeat domain, 436–624; Cysteine-rich domain, 624–1053. *Varying fragments of residues within this region. **Experiments with combined regimens. aAll recombinant proteins were produced in Escherichia coli. bRoutes: i.p., intraperitoneally; i.n., intranasally; i.m., intramuscularly; s.c, subcutaneously; orally, by oral gavage. c%Protective Efficacy: ([number of unvaccinated animals infected-number of vaccinated animals infected]/[number of unvaccinated animals infected]) × 100.