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Target intelligence / Profile preview
Merozoite Surface Protein 1 (None)
- Target
- None
- Molecular classification
- Surface Protein, GPI-anchored protein
01
Overview
Merozoite surface protein 1 (MSP-1) is the most abundant protein on the surface of the merozoite stage of *Plasmodium* species. MSP-1 plays a critical role in parasite development and erythrocyte invasion, making it a key target for malaria vaccine research. It exists as a precursor protein that is cleaved into several subunits, including p83, p30, p38, and p42, with the C-terminal fragment p19 remaining attached to the parasite surface after invasion. MSP-1 interacts with other merozoite surface proteins and erythrocyte components to facilitate invasion.
- Other names
- MSP-1MSP1p190p83p30p38p42MSP-1_{19}
02
Mechanism of action
Antibodies against MSP-1 can inhibit parasite growth or promote immune clearance
03
Biological functions
Erythrocyte bindingErythrocyte invasionMerozoite formationHost cell interaction
04
Disease associations
MalariaInfection
05
Safety considerations
Complexity of processing and subunit interactions may complicate vaccine design
06
Biomarkers
MSP-119 (as a vaccine target and for measuring immune response)
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