| Psoriasis | Psoriatic arthritis |
| (i) Prominent lymphocytic infiltrate present in skin | (i) Prominent lymphocytic infiltrate present in joints |
| (i) TH1, TH17, TH22, NK, NKT, B cells (ii) Dendritic cells, macrophages | (i) TH1, TH17, TH22, NK?, NKT?, B cells (ii) Dendritic cells, macrophages? |
| (i) IL-12, IL-23, TNF-A, IFN- | (i) IL-12, IL-23, TNF-A, IFN- |
| (i) IL-6, IL-17A, IL-17F, IL-21, IL-22, IL-26, IL-27 (ii) Cathepsin K, psoriasin (iii) Keratin 17 (iv) Plasma YKL-40? (v) Purinergic receptor P2X7 (vi) Trem 1 | (i) IL-6, IL-17A, IL-17F, IL-21, IL-22, IL-26, IL-27 (ii) Cathepsin K?, psoriasin? (iii) Keratin 17? (iv) Plasma YKL-40 (v) Purinergic receptor P2X7? (vi) Trem 1? |
| (i) MAP kinases ERK1/2, JNK, P38 (ii) MK2, DUSP-1 MSK-1, GSK-3ā (iii) NFKB, JAK/STAT-3, CREB | (i) MAP kinases ERK1/2, JNK, P38? (ii) MK2?, DUSP-1?, MSK-1, GSK-3? (iii) NFKB, JAK/STAT-3?, CREB |
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