Biology – Quantitative Biology – Cell Behavior
Scientific paper
2011-02-04
Biology
Quantitative Biology
Cell Behavior
24 pages, 9 figures
Scientific paper
Chronic Fatigue Syndrome is a protracted illness condition (lasting even years) appearing with strong flu symptoms and with complex, systemic, defaiances by the immune system. Here we study the most widely accepted picture for its genesis, namely a persistent acute mononucleosis infection, by means of non-equilibrium statistical mechanics techniques and we show how this may drive the immune system toward an out-of-equilibrium metastable state (with long life-time) displaying chronic activation of both humoral and cellular responses: a scenario with full inflammation without a direct "causes-effect" reason. By exploiting a bridge with the neuronal scenario, we mirror killer lymphocytes $T_K$ and $B$-cells to neurons and helper lymphocytes $T_{H_1},T_{H_2}$ to synapses, hence showing that -under minimal physical assumptions- the immune system may experience the Pavlov conditional reflex phenomenon such that if the exposition to a stimulus (EBV antigens) is too long, strong internal correlations among $B,T_K,T_H$ may develop ultimately resulting in a persistent activation even though the stimulus itself is removed: Interestingly we found in literature several experimental findings which corroborate our outcomes.
Agliari Elena
Barra Adriano
Guerra Francesco
Vidal Kristian Gervasi
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