However, increased concentration of the examined proinflammatory cytokines and decreased level of IL-10 in NWS and SWS of patients with hyposalivation compared to psoriasis patients with normal salivation indicates an increase in imbalance between Th1 and Th2 cells, and thus inflammation in salivary glands of patients with hyposalivation vs. those with normal salivary flow. The gene discussed is IL10; the disease is psoriasis.