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. 2021 Mar 10;95:107567. doi: 10.1016/j.intimp.2021.107567

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© 2021 Published by Elsevier B.V.

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Fig. 3 — The RBD-SD1 probe interacts with bone marrow cells in an ACE2-independent manner. (A) ACE2 expression in RBD-SD1 probe interacting cells in human bone marrow (n = 4) and lung tissues (n = 3). Scale bar, 100 μm. Localization analyses (by Image J RGB Plot Profil) of RBD-SD1 and ACE2 in bone marrow and lung tissues. The red curve represents RBD-SD1 probe intensity and green curve represents ACE2 expression. (B) The percentage of ACE2 positive cells in RBD-SD1-interacting cells in 33 human normal tissues. The data from immunohistofluorescence images were collected with Image J.