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Fig. 2 | BMC Cancer

Fig. 2

From: Human bronchial carcinoid tumor initiating cells are targeted by the combination of acetazolamide and sulforaphane

Fig. 2

Riboflavin significantly accumulates in bronchial carcinoid spheroids. a Monolayer grown H727 and H720 cell lines and 3rd generation cultured spheroids were incubated with riboflavin, a marker for stemness, and uptake visualized by fluorescence microscopy. Autofluorescence images were captured. b Autofluorescence indicating riboflavin uptake mainly in the nucleus was quantified and shown as a percentage. Experiments conducted in triplicates

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