FEDR, Radek, Zuzana PERNICOVÁ, Eva SLABÁKOVÁ, Nicol STRAKOVÁ, Jan BOUCHAL, Michal GREPL, Alois KOZUBÍK and Karel SOUČEK. Automatic cell cloning assay for determining the clonogenic capacity of cancer and cancer stem-like cells. Cytometry Part A. John Wiley & Sons, Inc., 2013, 83A, No 5, p. 472-482. ISSN 1552-4922. Available from: https://dx.doi.org/10.1002/cyto.a.22273.
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Basic information
Original name Automatic cell cloning assay for determining the clonogenic capacity of cancer and cancer stem-like cells
Authors FEDR, Radek (203 Czech Republic), Zuzana PERNICOVÁ (203 Czech Republic, belonging to the institution), Eva SLABÁKOVÁ (203 Czech Republic), Nicol STRAKOVÁ (203 Czech Republic), Jan BOUCHAL (203 Czech Republic), Michal GREPL (203 Czech Republic), Alois KOZUBÍK (203 Czech Republic, belonging to the institution) and Karel SOUČEK (203 Czech Republic).
Edition Cytometry Part A, John Wiley & Sons, Inc. 2013, 1552-4922.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10600 1.6 Biological sciences
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
Impact factor Impact factor: 3.066
RIV identification code RIV/00216224:14310/13:00081863
Organization unit Faculty of Science
Doi http://dx.doi.org/10.1002/cyto.a.22273
UT WoS 000318116000009
Keywords in English clonogenic assay; clonogenic capacity; plating efficiency; cancer stem cells; extreme limiting dilution analysis; single cell sorting
Tags AKR, rivok
Tags International impact, Reviewed
Changed by Changed by: Ing. Andrea Mikešková, učo 137293. Changed: 28/4/2016 12:50.
Abstract
The clonogenic assay is a well-established in vitro method for testing the survival and proliferative capability of cells. It can be used to determine the cytotoxic effects of various treatments including chemotherapeutics and ionizing radiation. However, this approach can also characterize cells with different phenotypes and biological properties, such as stem cells or cancer stem cells. In this study, we implemented a faster and more precise method for assessing the cloning efficiency of cancer stem-like cells that were characterized and separated using a high-speed cell sorter. Cell plating onto a microplate using an automatic cell deposition unit was performed in a single-cell or dilution rank mode by the fluorescence-activated cell sorting method. We tested the new automatic cell-cloning assay (ACCA) on selected cancer cell lines and compared it with the manual approach. The obtained results were also compared with the results of the limiting dilution assay for different cell lines. We applied the ACCA to analyze the cloning capacity of different subpopulations of prostate and colon cancer cells based on the expression of the characteristic markers of stem (CD44 and CD133) and cancer stem cells (TROP-2, CD49f, and CD44). Our results revealed that the novel ACCA is a straightforward approach for determining the clonogenic capacity of cancer stem-like cells identified in both cell lines and patient samples.
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