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. 2019 May 11;8(5):446. doi: 10.3390/cells8050446

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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(A) Histological staining for alkaline phosphatase (i–ii), alizarin red (iii–vi) and von Kossa (v–vi) of control and collagen peptide (CP)-treated bone marrow mesenchymal stem cells (scale bars: 0.1 cm). (B) Quantification of stained area of bone marrow mesenchymal stem cells. The percentage of stained area in bone cells was quantified using ImageJ software (Version 1.52n). CP-collagen peptide, * p < 0.05 vs. control.

(A) Histological staining for alkaline phosphatase (i–ii), alizarin red (iii–vi) and von Kossa (v–vi) of control and collagen peptide (CP)-treated bone marrow mesenchymal stem cells (scale bars: 0.1 cm). (B) Quantification of stained area of bone marrow mesenchymal stem cells. The percentage of stained area in bone cells was quantified using ImageJ software (Version 1.52n). CP-collagen peptide, * p < 0.05 vs. control.