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. 2022 Sep 24;14(19):3966. doi: 10.3390/nu14193966

Figure 1.

Figure 1

The circulating levels of melatonin (MT) and inflammatory factors in the serum of rats in each group. (A–E) Enzyme-linked immunosorbent assay (ELISA) kits were used to detect the circulating levels of MT, inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), prostaglandin E2 (PGE2), and tumor necrosis factor-alpha (TNF-α) in the serum of each group. All results represent mean ± standard deviation (SD) (n = 3), * p < 0.05, ** p < 0.01 (compared to the model group). MT group: 30 mg/kg/2d MT.