Issue 22, 2023

Synthetic hyaluronic acid coating preserves the phenotypes of lymphatic endothelial cells

Abstract

Lymphatic endothelial cells (LECs) play a critical role in the formation and maintenance of the lymphatic vasculature, which is essential for the immune system, fluid balance, and tissue repair. However, LECs are often difficult to study in vivo and in vitro models that accurately mimic their behaviors and phenotypes are limited. In particular, LECs have been shown to lose their lymphatic markers over time while being cultured in vitro, which reflect their plasticity and heterogeneity in vivo. Since LECs uniquely express lymphatic vessel endothelial hyaluronan receptor-1 (LYVE-1), we hypothesized that surface coating with hyaluronic acid (HA) can preserve LEC phenotypes and functionalities. Dopamine conjugated hyaluronic acid (HA–DP) was synthesized with 42% degree of substitution to enable surface modification and conjugation onto standard tissue culture plates. Compared to fibronectin coating and tissue culture plate controls, surface coating with HA–DP was able to preserve lymphatic markers, such as prospero homeobox protein 1 (Prox1), podoplanin (PDPN), and LYVE-1 over several passages in vitro. LECs cultured on HA–DP expressed lower levels of focal adhesion kinase (FAK) and YAP/TAZ, which may be responsible for the maintenance of the lymphatic characteristics. Collectively, the HA–DP coating may provide a novel method for culturing human LECs in vitro toward more representative studies in basic lymphatic biology and lymphatic regeneration.

Graphical abstract: Synthetic hyaluronic acid coating preserves the phenotypes of lymphatic endothelial cells

Supplementary files

Article information

Article type
Paper
Submitted
19 May 2023
Accepted
14 Sep 2023
First published
19 Sep 2023
This article is Open Access
Creative Commons BY-NC license

Biomater. Sci., 2023,11, 7346-7357

Synthetic hyaluronic acid coating preserves the phenotypes of lymphatic endothelial cells

S. Saha, F. Fan, L. Alderfer, F. Graham, E. Hall and D. Hanjaya-Putra, Biomater. Sci., 2023, 11, 7346 DOI: 10.1039/D3BM00873H

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