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VSA-1 |
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Vaxjo ID |
206 |
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Vaccine Adjuvant Name |
VSA-1 |
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Adjuvant VO ID |
VO_0005326
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Description |
A vaccine adjuvant that is prepared by derivatizing a natural Momordica saponin in one chemical step. VSA-1 is chemically more stable than QS-21. VSA-1 is much less toxic than QS-21. The Momordica saponins are from sustainable sources and widely available |
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Stage of Development |
Research |
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Location Licensed |
US (U of Alabama:Birmingham) |
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Host Species for Testing |
3 |
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Components |
Momordica saponins |
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Storage |
4C |
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Preparation |
saponins isolated using the published procedure (https://www.jstage.jst.go.jp/article/cpb1958/33/2/33_2_464/_article/-char/ja/) |
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Safety |
much less toxic than QS21 |
| References |
(Wang, 2025): Vaccine Adjuvant Compendium - VAC [https://vac.niaid.nih.gov/view?id=41]
Wang et al., 2019: Wang P, Ding X, Kim H, Škalamera Đ, Michalek SM, Zhang P. Vaccine Adjuvants Derivatized from Momordica Saponins I and II. Journal of medicinal chemistry. 2019; 62(21); 9976-9982. [PubMed: 31657920].
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