Medical research

Researchers home in on what's wearing out T cells

Sometimes even cells get tired. When the T cells of your immune system are forced to deal over time with cancer or a chronic infection such as HIV or hepatitis C, they can develop 'T cell exhaustion,' becoming less effective ...

Medical research

By taking a rest, exhausted T cells live to fight another day

Killer T cells are one of the body's main lines of defense against pathogens. Their job is to kill infected cells so that the viruses inside cannot replicate and spread. But often the force of their attack wanes during a ...

Medical research

Gut bacteria tire out T cells

Leaky intestines may cripple bacteria-fighting immune cells in patients with a rare hereditary disease, according to a study by researchers in Lausanne, Switzerland. The study, published in The Journal of Experimental Medicine ...

Arthritis & Rheumatism

Rheumatoid arthritis: Biologics in second-line therapy show benefit

The German Institute for Quality and Efficiency in Health Care (IQWiG) examined 9 biotechnologically produced drugs for the treatment of adults with rheumatoid arthritis in whom prior pharmacological treatment had failed. ...

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