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Mosquito Salivary Gland Proteins (SGPs)

Target: SGPs
Molecular classification: Protein, Enzyme, Serine Protease Inhibitor, Immunomodulatory protein

Overview

Mosquito salivary gland proteins (SGPs) are a diverse group of secreted molecules produced by mosquito salivary glands to facilitate blood feeding and influence host-pathogen interactions. They counteract host hemostasis, modulate immune responses, and can enhance or inhibit pathogen transmission. Key examples include Apyrase (inhibits platelet aggregation), Sialokinin (vasodilator), D7 proteins (binds biogenic amines), Serine Protease Inhibitors (inhibit coagulation), Peroxidases/Catechol Oxidases (vasodilation), and AaNRP (recruits myeloid cells, enhances viral infection). SGPs are considered potential therapeutic and vaccine targets to disrupt mosquito feeding and pathogen transmission.

Other names: Mosquito saliva proteinsSalivary gland proteinsMosquito salivary proteins

Mechanism of action

N/A

Biological functions

Blood feeding facilitationInhibition of vasoconstrictionInhibition of coagulationInhibition of platelet aggregationImmunomodulationVasodilationRecruitment of immune cells

Disease associations

Arbovirus transmission enhancement (e.g., Dengue, Zika)Malaria parasite transmissionInflammation modulation at bite site

Safety considerations

Potential for off-target effects on human immune responsesDevelopment of resistance in mosquitoesAllergic reactions to SGP-based therapies

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