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. 2021 Jul 2;59(1):891–901. doi: 10.1080/13880209.2021.1944224

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© 2021 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 4. — The effects of combined imatinib and CPT on the apoptotic rate and microvascular density value in tumour tissues. (A) Representative images of sections of HE staining, TUNEL staining and CD 34 staining analysis in xenograft tumour tissues produced by K562-R cells. (B) The quantified data of the apoptotic rates in tumour tissue after the treatment of imatinib and CPT. (C) The microvascular density value of each group was analysed by CD 34 staining. Scale bar = 50 µm. *p < 0.05 and **p < 0.01 denote significant differences compared with the control group.