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. 2020 Mar 17;160(1):52–63. doi: 10.1111/imm.13180

Figure 4.

Figure 4

Expression of melatonin receptor 1A (MT1) and melatonin receptor 1B (MT2) in the livers of non‐pregnant and pregnant ewes. (a) Expression values of MT1 and MT2 mRNA in the liver. (b) Expression of MT1 and MT2 proteins in the liver. (c) Representative immunohistochemical localization of MT1 protein in the liver. The liver is divided into lobes, and each lobe is made up of hepatic lobules. A portal triad is a component of the hepatic lobule and consists of the proper hepatic artery (HA), hepatic portal vein (PV), small bile ductile (BD) and lymphatic vessels (LV). Note: H = hepatic cell; HE = stained by haematoxylin and eosin; DN16 = day 16 of the oestrous cycle; DP13 = day 13 of pregnancy; DP16 = day 16 of pregnancy; DP25 = day 25 of pregnancy. Scale bar: 50 µm. P < 0·05 indicates significant difference.