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. 2020 Aug 24;15:6311–6324. doi: 10.2147/IJN.S257164

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© 2020 Chen et al.

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HA-stained cryosections of spheroids in the HAase-untreated group (A) and HAase-treated group (B). HAase-treated spheroids were exposed to NPs/HAase combined with 0.5 mg/mL of HAase for 8 hours before sectioning and staining. HA stain was showed in green and the nuclear stain, DAPI, was shown in blue. Scale bar represents 100 μm.