A Method for Identification of Vocal Fold Lamina Propria Fibroblasts in Culture

Overview

Journal Otolaryngol Head Neck Surg

Publisher Wiley

Specialties General Surgery
Otorhinolaryngology

Date 2008 Dec 2

PMID 19041509

Citations 26

Authors

Susan L Thibeault

Wenhua Li

Stephanie Bartley

Affiliations

Soon will be listed here.

Abstract

Objective: Vocal fold biology research is emerging as a vital area of study in laryngology. One impediment is the lack of both commercially available vocal fold lamina propria fibroblasts and a constitutively expressed specific marker for fibroblasts. We present an in vitro technique that allows for identification of fibroblasts by ruling out the possibility of the cells belonging to other lineages that are found in vocal fold tissue.

Study Design: An in vitro study.

Methods: Two primary vocal fold fibroblast cell lines and one immortalized vocal fold fibroblast cell line were cultured. Immunohistologic staining for alpha-actinin, cytokeratin 19, and von Willebrand factor was completed for the three fibroblast lines in addition to skeletal, endothelial, and epithelial cell lines. Cell type was differentiated by positive staining for alpha-actinin, cytokeratin 19, and von Willebrand factor.

Results: Fibroblast cultures did not express alpha-actinin, cytokeratin 19, and von Willebrand factor, whereas skeletal muscle, endothelial, and epithelial cultured cells expressed each respectively.

Conclusions: This simple rule-out methodology for fibroblast confirmation is an important step when establishing cell culture, and it establishes sound internal validity particularly in the early stages of this emerging area of study.

Citing Articles

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Khan M, Easwaran M, Martinez J, Kimura A, Erickson-DiRenzo E Laryngoscope. 2023; 134(2):786-794.

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Progress in Vocal Fold Regenerative Biomaterials: An Immunological Perspective.

Coburn P, Li X, Li J, Kishimoto Y, Li-Jessen N Adv Nanobiomed Res. 2022; 2(2).

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Antifibrotic effects of eupatilin on TGF-β1-treated human vocal fold fibroblasts.

Park S, Choi H, Kim J, Kim C PLoS One. 2021; 16(3):e0249041.

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Effect of Urban Particulate Matter on Vocal Fold Fibrosis through the MAPK/NF-κB Signaling Pathway.

Won H, Jung S, Yeo M, Yi S, Liu L, Lim M Int J Mol Sci. 2020; 21(18).

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Increased calcium channel in the lamina propria of aging rat.

Kim J, Heo H, Shin S, Kwon H, Lee J, Sung E Aging (Albany NY). 2019; 11(20):8810-8824.

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