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Target intelligence / Profile preview
Aluminum Salt Adjuvant (Alum)
- Target
- Alum
- Molecular classification
- Adjuvant, Inorganic compound
01
Overview
Aluminum salt adjuvants (alum) are a class of adjuvants widely used in vaccines to enhance the immune response. They function by creating a depot effect, facilitating antigen uptake by antigen-presenting cells (APCs), activating the NLRP3 inflammasome, and stimulating the release of pro-inflammatory cytokines, ultimately leading to enhanced humoral immunity.
- Other names
- Aluminum hydroxideAluminum phosphateAluminum potassium sulfateAl(OH)3AlPO4KAl(SO4)2AlhydrogelAdjuPhos
02
Mechanism of action
Aluminum salt adjuvants activate the innate immune system through mechanisms including the depot effect, phagocytosis by antigen-presenting cells (APCs), activation of the NLRP3 inflammasome, and promotion of pro-inflammatory cytokine release (IL-1β, IL-18), ultimately enhancing adaptive immune responses to co-administered antigens.
03
Biological functions
Immune response enhancementDepot effectInflammasome activationAntigen presentation enhancement
04
Disease associations
Vaccine developmentInfectious disease prevention
05
Safety considerations
Local inflammation at injection sitePotential long-term effects (e.g., asthma risk, though not definitively established)Hypersensitivity reactions (rare)
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