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. Author manuscript; available in PMC: 2021 Jan 1.
Published in final edited form as: Diabetologia. 2019 Nov 13;63(1):149–161. doi: 10.1007/s00125-019-05030-5

Fig. 2.

Fig. 2

Representative immunofluorescent photomicrographs of islets from individuals without diabetes, pre-type 1 diabetes and type 1 diabetes, stained for PFKFB3 (red), insulin (green), glucagon (white) and DAPI (blue). PFKFB3 is weakly present in a minority of beta and alpha cells in islets from individuals without diabetes but is more frequent and intense in beta cells in islets from those with pre-type 1 diabetes and type 1 diabetes. As previously reported, PFKFB3 immunoreactivity was most prominent in the nucleus. Scale bars, 50 μm. Gluc, glucagon; Ins, insulin; ND, non-diabetic; T1D, type 1 diabetic