Lysins are specific antibodies that cause the dissolution of bacteria, plant, and animal cells. Under the influence of ...

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

Our immune system is armed with an array of defenses designed to detect and eliminate harmful threats. One of its most powerful defense mechanisms is the complement system-a group of proteins that ...

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

Antibodies, which recognize viruses and proteins that the body has encountered before, have long gotten most of the credit for giving the human immune system a memory. Now, researchers at the ...

Traumatic brain injuries (TBI)—even mild concussions—may trigger a chain reaction in the brain that disrupts neuronal ...

Our immune systems prevent and limit infections. They are a complex set of organs, cells, tissues and proteins that work together to protect our bodies from harmful invaders such as bacteria, viruses, ...

Your body’s stress response can trigger several physiological changes, which can affect immune function. Why you’re stressed and how long you’re stressed can impact how your immune system responds.

A person’s menstrual cycle may affect their immune system’s response, causing fluctuations throughout the month. The menstrual cycle involves a series of changes in hormone levels and structures ...