摘要
Host defense strategies encompass resistance to reduce pathogen burden,and disease tolerance to preserve host fitness.1 Immunedriven resistance mechanisms have inevitably a negative impact on host fitness and can lead to immunopathology.Disease tolerance limit immunopathology and therefore disease severity by preventing tissue damage or ameliorating tissue function without interfering with pathogen load.Several pathways cooperate to protect the host.These pathways include metabolic and oxidative stress responses,2 and the interaction between neuroendocrine system and the immune system3 to favor resolution of inflammation and to prevent tissue damage.
