Characteristics of Multipotent Mesenchymal Stromal Cells Isolated from Human Endometrium and Endometriosis Lesions

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Mesenchymal stromal cells isolated from human endometrium and endometriosis lesions express stem cell markers and differentiate in vitro, exhibiting similarities and differences between eutopic and ectopic sources.

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The paper examined fibroblast-like cell cultures generated from human endometriosis lesions and from eutopic endometrium after enzymatic dissociation, assessing viability, surface marker expression, epithelial contamination, and proliferation across serial passages, and testing differentiation potential. Both ectopic-derived and eutopic-derived cultures showed mesenchymal stromal characteristics, with ectopic cultures expressing CD90, CD73, and CD105 and high initial viability (>90%), but viability declined by passage 3; epithelial cytokeratin-7–positive cells present in zero-passage ectopic cultures (10–25%) diminished by passage 2. From passage 1 to 3, the proportion of proliferating cells and population doubling level increased, and endometrium-derived cells could undergo adipogenic and osteogenic differentiation in vitro. The authors note ectopic and eutopic cultures differ in composition over passages, and include this as a cell model for drug/technology testing aimed at suppressing endometriosis lesion growth and spread, highlighting that lesion-derived cell properties evolve with culture. This paper is centrally about endometriosis — it characterizes multipotent mesenchymal stromal cells isolated from human endometriosis lesions and compares them to those from human endometrium.

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Abstract

Cell cultures isolated from endometriosis lesions by enzymatic dissociation consisted of fibroblast-like cells expressing CD90, CD73, and CD105; cell viability in these cultures was >90%, but this parameter decreased by passage 3. Zero passage cultures contained 10-25% epithelial cells expressing cytokeratin-7, but by passage 2, the cultures became more homogeneous and epithelial cells disappeared. The proportion of proliferating cells and population doubling level increased from passage 1 to passage 3. The cultures from the endometrium were induced to adipogenic and osteogenic differentiation in vitro. The cultures derived from ectopic endometrium have properties of multipotent mesenchymal stromal cells that exhibited in vitro similarities and differences from cell cultures from eutopic endometrium, which allows using this cell model for the search and testing of new drugs and technologies aimed at suppression of the growth and spread of endometriosis lesions.
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Cell cultures isolated from endometriosis lesions by enzymatic dissociation consisted of fibroblast-like cells expressing CD90, CD73, and CD105; cell viability in these cultures was >90%, but this parameter decreased by passage 3. Zero passage cultures contained 10-25% epithelial cells expressing cytokeratin-7, but by passage 2, the cultures became more homogeneous and epithelial cells disappeared. The proportion of proliferating cells and population doubling level increased from passage 1 to passage 3. The cultures from the endometrium were induced to adipogenic and osteogenic differentiation in vitro. The cultures derived from ectopic endometrium have properties of multipotent mesenchymal stromal cells that exhibited in vitro similarities and differences from cell cultures from eutopic endometrium, which allows using this cell model for the search and testing of new drugs and technologies aimed at suppression of the growth and spread of endometriosis lesions. 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Author information Authors and Affiliations Corresponding author Additional information Translated from Kletochnye Tekhnologii v Biologii i Meditsine, No. 2, pp. 132-137, April, 2016 Rights and permissions About this article Cite this article Savilova, A.M., Yushina, M.N., Rudimova, Y.V. et al. Characteristics of Multipotent Mesenchymal Stromal Cells Isolated from Human Endometrium and Endometriosis Lesions. Bull Exp Biol Med 161, 610–615 (2016). https://doi.org/10.1007/s10517-016-3469-0 Received: Published: Issue date: DOI: https://doi.org/10.1007/s10517-016-3469-0

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endometriosis

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Endometriosis Endometrium Mesenchymal Stem Cells Mesenchymal Stem Cells 5'-Nucleotidase 5'-Nucleotidase Cell Proliferation Cell Proliferation Endoglin Endoglin Endometriosis Endometrium Female Humans Immunophenotyping Mesenchymal Stem Cells Thy-1 Antigens Thy-1 Antigens

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