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saponaria officinalis/carbohydrate
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Effects of carbohydrate modification of Quillaja saponaria Molina QH-B fraction on adjuvant activity, cholesterol-binding capacity and toxicity.
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The iscom is an efficient antigen-presenting system for various antigens inducing both MHC class I and class II restricted immune responses. Protective immunity has been evoked against a variety of infectious agents. The saponin adjuvant Quil A, which was originally used to form iscoms, is composed
Hepatotoxicity of immunotoxins made with saporin, a ribosome-inactivating protein from Saponaria officinalis.
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Immunotoxins were prepared by conjugating saporin, a ribosome-inactivating protein from Saponaria officinalis, to a monoclonal antibody against the Thy1.1 antigen, or to its F(ab')2 fragment. The immunotoxins were eight- to 16-fold more toxic to mice than free saporin. Injection of the immunotoxins
Effect of a novel saponin adjuvant derived from Quillaja saponaria on the immune response to recombinant hepatitis B surface antigen.
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Adjuvant activity of saponins extracted from the South American tree Quillaja saponaria has been demonstrated with many antigens. Recently, four saponin fractions (designated as QS-7, QS-17, QS-18, and QS-21) with adjuvant activity were purified by reverse phase chromatography. In particular,
Solid-phase extraction NMR studies of chromatographic fractions of saponins from Quillaja saponaria.
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The saponin mixture QH-B from the tree Quillaja saponaria var. Molina was fractionated by RP-HPLC in several steps. The fractions were analyzed by solid-phase extraction NMR (SPE-NMR), a technique combining the workup by solid-phase extraction with on-line coupling to an NMR flow probe. Together
Saponins from Quillaja saponaria Molina: isolation, characterization and ability to form immuno stimulatory complexes (ISCOMs).
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ISCOMs have received much attention as vaccine adjuvants due to their immunostimulatory effects. They are colloidal particles typically comprised of phospholipids, cholesterol and Quil A, a crude mixture of saponins extracted from the bark of Quillaja saponaria Molina. We have previously shown that
Isolation and quantification of Quillaja saponaria Molina saponins and lipids in iscom-matrix and iscoms.
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In the iscom, multiple copies of antigen are attached by hydrophobic interaction to a matrix which is built up by Quillaja triterpenoid saponins and lipids. Thus, the iscom presents antigen in multimeric form in a small particle with a built-in adjuvant resulting in a highly immunogenic antigen
Antibradykinin active material in Aloe saponaria.
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A material having antibradykinin activity on isolated guinea pig ileum was partially purified from the nondialysate of the pulp of Aloe saponaria by repetition of gel chromatography using a hydrophilic polyvinyl gel and dextran gels. From the results of amino acid and carbohydrate analyses, the
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