: Although PCRMP4-deficient parasites are severely impaired in the liver, experiments have shown that immunization with these live, genetically-attenuated sporozoites does not induce a strong protective immune response compared to other attenuated strains.
(Plasmodium Cysteine Repeat Modular Protein 4) is a specialized protein found in the Plasmodium genus, the parasites responsible for malaria. It belongs to a family of four conserved proteins (PCRMP1–4) that are critical for the parasite’s ability to transition between its mosquito vector and mammalian hosts. Biological Role and Function pcrmp4
PCRMP4 is essential for the transmission of malaria. Its primary known functions include: Biological Role and Function PCRMP4 is essential for
: PCRMP4 is required for sporozoites (the infectious stage of the parasite) to exit the oocyst—a cyst-like structure on the mosquito's midgut wall. pcrmp4
: While PCRMP4-deficient sporozoites can still move and invade liver cells (hepatocytes) if manually extracted from oocysts, they are unable to undergo further development or proliferation within the liver. Key Characteristics
Plasmodium Cysteine Repeat Modular Proteins 3 and 4 are ... - NCBI