In theory, fever can aid in host defense.

L-Arginine stimulates host defenses in patients with breast cancer.

Defensins are a family of microbicidal and cytotoxic peptides thought to be involved in host defense.

The innate immune system is the dominant system of host defense in most organisms.

These proteins are often used to shut down host defenses.

The question we will be facing is, How can we optimize the host defense?

Internalization may provide a means of protection against host defenses and certain classes of antibiotics.

The activity of adaptive immunity is critically important for host defense against pathogens.

It may thus play a role in host defense against viruses.

These findings demonstrate the important role of lactoferrin in human host defense and especially in lung.