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QS21

A purified, natural saponin isolated from the soapbark tree Quillaja saponaria Molina with potential immunoadjuvant activity. When co-administered with vaccine peptides, QS21 may increase total antitumoral vaccine-specific antibody responses and cytotoxic T-cell responses.

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Synonym:	QS-21 Adjuvant Stimulon QS-21 Adjuvant
Code name:	NIAID VEU 016 QS-21
IND number:	6335
NSC code:	679689

QS21

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