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Plasmodium falciparum Pre-Erythrocytic Stage Antigens
- Molecular classification
- Protein, Antigen
01
Overview
Plasmodium falciparum pre-erythrocytic stage antigens are proteins expressed by the malaria parasite during its early development in the human host, specifically during the sporozoite and liver (hepatic) stages before it infects red blood cells. These antigens are key targets for vaccine development because immune responses against them can prevent infection from progressing to symptomatic malaria. Notable examples include CSP, LSA1, LSA3, LSAP1/LSAP2, ETRAMP5, and UIS3. Vaccines targeting these antigens aim to induce humoral and cellular immunity to neutralize sporozoites or eliminate infected hepatocytes.
- Other names
- P. falciparum sporozoite antigensP. falciparum liver-stage antigens
02
Mechanism of action
Induction of antibody and T-cell responses to block parasite infection of hepatocytes
03
Biological functions
Parasite developmentImmune evasionHost cell interaction
04
Disease associations
MalariaInfection
05
Safety considerations
Efficacy of vaccineDuration of protectionLimited sporozoite availability
06
Interacting drugs
RTS,S vaccine
2 more in the full profile.
07
Biomarkers
Antibody titers against CSPCD8+ T cell responses against liver-stage antigens
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