Tick proteins

Tick proteins refers to a broad and diverse group of proteins produced by ticks (Ixodida) that are essential for their survival, feeding, and role as disease vectors. These proteins are primarily found in the tick's saliva, midgut, and cement, and they perform critical functions such as inhibiting host hemostasis, modulating host immune responses, and facilitating the transmission of pathogens like Borrelia burgdorferi (Lyme disease) and Tick-borne encephalitis virus [2, 6, 12]. In the field of drug and vaccine development, specific tick proteins are targeted to disrupt the tick life cycle or prevent disease transmission; for example, the gut protein BM86 and the conserved protein Subolesin are used as antigens in anti-tick vaccines to induce host antibodies that impair tick feeding and reproduction [6, 9]. Furthermore, tick proteins such as GABA-gated chloride channels and Octopamine receptors are the molecular targets of acaricides and newer systemic agents like isoxazolines (e.g., Lotilaner, Sarolaner) [14]. While tick-derived proteins are also being investigated as a source of novel human therapeutics (e.g., anticoagulants and anti-inflammatories), in those instances, the tick proteins serve as the drug candidates rather than the therapeutic targets [1, 5, 10].

Other names

Anti-tick vaccine antigensTick salivary proteinsTick gut proteinsTick-derived antigensTick bioactive molecules

Vaccines induce host antibodies that bind to tick proteins, disrupting feeding, reproduction, or pathogen transmission; acaricides and isoxazolines act as inhibitors or modulators of essential tick enzymes, receptors, or ion channels (e.g., GABA-gated chloride channels).