Evaluating Feasibility of Human Tissue Engineered Respiratory Epithelium Construct as a Potential Model for Tracheal Mucosal Reconstruction
The normal function of the airway epithelium is vital for the host’s well-being. Conditions that might compromise the structure and functionality of the airway epithelium include congenital tracheal anomalies, infection, trauma and post-intubation injuries. Recently, the onset of COVID-19 and its co...
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oai:doaj.org-article:39c481be81534412ae6cfd43b94e8a4a2021-11-11T18:39:55ZEvaluating Feasibility of Human Tissue Engineered Respiratory Epithelium Construct as a Potential Model for Tracheal Mucosal Reconstruction10.3390/molecules262167241420-3049https://doaj.org/article/39c481be81534412ae6cfd43b94e8a4a2021-11-01T00:00:00Zhttps://www.mdpi.com/1420-3049/26/21/6724https://doaj.org/toc/1420-3049The normal function of the airway epithelium is vital for the host’s well-being. Conditions that might compromise the structure and functionality of the airway epithelium include congenital tracheal anomalies, infection, trauma and post-intubation injuries. Recently, the onset of COVID-19 and its complications in managing respiratory failure further intensified the need for tracheal tissue replacement. Thus far, plenty of naturally derived, synthetic or allogeneic materials have been studied for their applicability in tracheal tissue replacement. However, a reliable tracheal replacement material is missing. Therefore, this study used a tissue engineering approach for constructing tracheal tissue. Human respiratory epithelial cells (RECs) were isolated from nasal turbinate, and the cells were incorporated into a calcium chloride-polymerized human blood plasma to form a human tissue respiratory epithelial construct (HTREC). The quality of HTREC in vitro, focusing on the cellular proliferation, differentiation and distribution of the RECs, was examined using histological, gene expression and immunocytochemical analysis. Histological analysis showed a homogenous distribution of RECs within the HTREC, with increased proliferation of the residing RECs within 4 days of investigation. Gene expression analysis revealed a significant increase (<i>p</i> < 0.05) in gene expression level of proliferative and respiratory epithelial-specific markers Ki67 and MUC5B, respectively, within 4 days of investigation. Immunohistochemical analysis also confirmed the expression of Ki67 and MUC5AC markers in residing RECs within the HTREC. The findings show that calcium chloride-polymerized human blood plasma is a suitable material, which supports viability, proliferation and mucin secreting phenotype of RECs, and this suggests that HTREC can be a potential candidate for respiratory epithelial tissue reconstruction.Mohd Heikal Mohd YunusZahra RashidbenamMh Busra FauziRuszymah Bt Hj IdrusAminuddin Bin SaimMDPI AGarticlerespiratory epitheliumpolymerized-human plasmarespiratory epithelial construct tracheal mucosal reconstructionOrganic chemistryQD241-441ENMolecules, Vol 26, Iss 6724, p 6724 (2021) |
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respiratory epithelium polymerized-human plasma respiratory epithelial construct tracheal mucosal reconstruction Organic chemistry QD241-441 |
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respiratory epithelium polymerized-human plasma respiratory epithelial construct tracheal mucosal reconstruction Organic chemistry QD241-441 Mohd Heikal Mohd Yunus Zahra Rashidbenam Mh Busra Fauzi Ruszymah Bt Hj Idrus Aminuddin Bin Saim Evaluating Feasibility of Human Tissue Engineered Respiratory Epithelium Construct as a Potential Model for Tracheal Mucosal Reconstruction |
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The normal function of the airway epithelium is vital for the host’s well-being. Conditions that might compromise the structure and functionality of the airway epithelium include congenital tracheal anomalies, infection, trauma and post-intubation injuries. Recently, the onset of COVID-19 and its complications in managing respiratory failure further intensified the need for tracheal tissue replacement. Thus far, plenty of naturally derived, synthetic or allogeneic materials have been studied for their applicability in tracheal tissue replacement. However, a reliable tracheal replacement material is missing. Therefore, this study used a tissue engineering approach for constructing tracheal tissue. Human respiratory epithelial cells (RECs) were isolated from nasal turbinate, and the cells were incorporated into a calcium chloride-polymerized human blood plasma to form a human tissue respiratory epithelial construct (HTREC). The quality of HTREC in vitro, focusing on the cellular proliferation, differentiation and distribution of the RECs, was examined using histological, gene expression and immunocytochemical analysis. Histological analysis showed a homogenous distribution of RECs within the HTREC, with increased proliferation of the residing RECs within 4 days of investigation. Gene expression analysis revealed a significant increase (<i>p</i> < 0.05) in gene expression level of proliferative and respiratory epithelial-specific markers Ki67 and MUC5B, respectively, within 4 days of investigation. Immunohistochemical analysis also confirmed the expression of Ki67 and MUC5AC markers in residing RECs within the HTREC. The findings show that calcium chloride-polymerized human blood plasma is a suitable material, which supports viability, proliferation and mucin secreting phenotype of RECs, and this suggests that HTREC can be a potential candidate for respiratory epithelial tissue reconstruction. |
format |
article |
author |
Mohd Heikal Mohd Yunus Zahra Rashidbenam Mh Busra Fauzi Ruszymah Bt Hj Idrus Aminuddin Bin Saim |
author_facet |
Mohd Heikal Mohd Yunus Zahra Rashidbenam Mh Busra Fauzi Ruszymah Bt Hj Idrus Aminuddin Bin Saim |
author_sort |
Mohd Heikal Mohd Yunus |
title |
Evaluating Feasibility of Human Tissue Engineered Respiratory Epithelium Construct as a Potential Model for Tracheal Mucosal Reconstruction |
title_short |
Evaluating Feasibility of Human Tissue Engineered Respiratory Epithelium Construct as a Potential Model for Tracheal Mucosal Reconstruction |
title_full |
Evaluating Feasibility of Human Tissue Engineered Respiratory Epithelium Construct as a Potential Model for Tracheal Mucosal Reconstruction |
title_fullStr |
Evaluating Feasibility of Human Tissue Engineered Respiratory Epithelium Construct as a Potential Model for Tracheal Mucosal Reconstruction |
title_full_unstemmed |
Evaluating Feasibility of Human Tissue Engineered Respiratory Epithelium Construct as a Potential Model for Tracheal Mucosal Reconstruction |
title_sort |
evaluating feasibility of human tissue engineered respiratory epithelium construct as a potential model for tracheal mucosal reconstruction |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doaj.org/article/39c481be81534412ae6cfd43b94e8a4a |
work_keys_str_mv |
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