Abstract
Psychoneuroimmunology (PNI) is closely associated with the bidirectional pathways between mind/brain and the immune system. PNI research represents a rapidly growing area within psychosomatic research. Recent studies in PNI are based mainly on the immunological concepts of Th1/Th2 dichotomy and inflammation. This review covers human PNI studies dealing with stress-associated changes in cytokine (Th1, Th2) levels in immune-related processes such as wound healing, atopic diseases as well as autoimmune and other inflammatory diseases. It is shown that PNI studies measuring immune activity near the site of the disease (e. g. woundhealing) and dealing with objective stressors show more consistent findings (stress-associated Th1/Th2 shift, stress-associated proinflammatory activation) than those dealing with chronic and complex diseases (e. g., autoimmune disease). This warrants the expansion of the methodological repertoire in future PNI research toward designs allowing for the investigation of complex psychosomatic phenomena.
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