The complement cascade, traditionally appreciated for its role in innate immunity, has emerged as a pivotal regulator of bone repair. Activation of complement components generates anaphylatoxins such ...

The complement system, a central arm of innate immunity, comprises a network of plasma and membrane-bound proteins that detect and eliminate pathogens. In severe COVID-19, SARS-CoV-2 triggers ...

Louse-borne relapsing fever is caused by the spirochete bacterium Borrelia recurrentis, which is transmitted by body lice ...

Arachnology and toxinology have increasingly illuminated the structural, biochemical and evolutionary diversity of venom ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American The very first line of defence against any ...