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. 2018 Apr 17;25(12):2181–2194. doi: 10.1038/s41418-018-0109-4

Fig. 2.

Fig. 2

GRP78 expression in cardiac myocytes. a Immunofluorescence staining showed GRP78 expression in cardiac myocytes in both embryonic and adult (12 week old) hearts. α-Actinin is a marker for cardiac myocyte. Note that GRP78 is also expressed in α-actinin-negative, non-cardiac tissues. Scale bar: 40 μm. b GRP78 expression was decreased in adult compared to embryonic hearts as assessed by qPCR, which was normalized to 18s rRNA. Embryonic indicates 12–15 days post coitum, and adult indicates 3 months old. N = 6–7. c GRP78 protein level was reduced in the adult heart compared to embryonic stage as shown by immunoblotting. N = 6. *p < 0.05