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Simple, Low-cost, and Well-performing Method, the Outgrowth Technique, for the Isolation of Cells from Nasal Polyps

Overview
Publisher Biomed Central
Specialty Cell Biology
Date 2023 Oct 10
PMID 37817076
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Abstract

Background: Epithelial cells are an important part of the pathomechanism in chronic rhinosinusitis with nasal polyps. It is therefore essential to establish a robust method for the isolation and culture of epithelial cells from nasal polyps to enable further research. In this study, the feasibility of the outgrowth technique for the isolation of the epithelial cells from the nasal polyps was evaluated.

Results: Using the outgrowth technique, epithelial cells could be isolated from all tissue samples. Isolated epithelial cells showed a proliferation rate of approximately 7- to 23-fold every 6 days up to the 3rd passage. Over 97% of isolated cells were shown to be cytokeratin- and p63-positive, and over 86% of them were Ki-67-positive in flow cytometry. Interleukin-33 and periostin were detectable in the supernatant.

Conclusions: We introduce a simple, low-cost, and well-performing method for isolating epithelial cells from nasal polyps with the outgrowth technique.

Citing Articles

Long-Term Cryopreservation of Nasal Polyp Tissue in a Biobank for the Isolation and Culture of Primary Epithelial Cells.

Kim J, Hegener K, Hagedorn C, Jamal Jameel K, Weidinger D, Seuthe I Int J Mol Sci. 2023; 24(7).

PMID: 37047354 PMC: 10094359. DOI: 10.3390/ijms24076383.

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