The Significant Role of c-Abl Kinase in Barrier Altering Agonists-mediated Cytoskeletal Biomechanics

Abstract Exploration of human pulmonary artery endothelial cell (EC) as a prototypical biomechanical system has important pathophysiologic relevance because this cell type plays a key role in the development of a wide variety of clinical conditions. The complex hierarchical organization ranging from...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: X. Wang, L. Wang, J. G. N. Garcia, S. M. Dudek, G. S. Shekhawat, V. P. Dravid
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2018
Materias:
R
Q
Acceso en línea:https://doaj.org/article/fc88895c584d48218be016fa40573180
Etiquetas: Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
id oai:doaj.org-article:fc88895c584d48218be016fa40573180
record_format dspace
spelling oai:doaj.org-article:fc88895c584d48218be016fa405731802021-12-02T15:08:28ZThe Significant Role of c-Abl Kinase in Barrier Altering Agonists-mediated Cytoskeletal Biomechanics10.1038/s41598-018-19423-w2045-2322https://doaj.org/article/fc88895c584d48218be016fa405731802018-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-19423-whttps://doaj.org/toc/2045-2322Abstract Exploration of human pulmonary artery endothelial cell (EC) as a prototypical biomechanical system has important pathophysiologic relevance because this cell type plays a key role in the development of a wide variety of clinical conditions. The complex hierarchical organization ranging from the molecular scale up to the cellular level has an intimate and intricate relationship to the barrier function between lung tissue and blood. To understand the innate molecule-cell-tissue relationship across varied length-scales, the functional role of c-Abl kinase in the cytoskeletal nano-biomechanics of ECs in response to barrier-altering agonists was investigated using atomic force microscopy. Concurrently, the spatially specific arrangement of cytoskeleton structure and dynamic distribution of critical proteins were examined using scanning electron microscopy and immunofluorescence. Reduction in c-Abl expression by siRNA attenuates both thrombin- and sphingosine 1-phosphate (S1P)-mediated structural changes in ECs, specifically spatially-defined changes in elastic modulus and distribution of critical proteins. These results indicate that c-Abl kinase is an important determinant of cortical actin-based cytoskeletal rearrangement. Our findings directly bridge the gap between kinase activity, structural complexity, and functional connectivity across varied length-scales, and suggest that manipulation of c-Abl kinase activity may be a potential target for the treatment of pulmonary barrier disorders.X. WangL. WangJ. G. N. GarciaS. M. DudekG. S. ShekhawatV. P. DravidNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-13 (2018)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
X. Wang
L. Wang
J. G. N. Garcia
S. M. Dudek
G. S. Shekhawat
V. P. Dravid
The Significant Role of c-Abl Kinase in Barrier Altering Agonists-mediated Cytoskeletal Biomechanics
description Abstract Exploration of human pulmonary artery endothelial cell (EC) as a prototypical biomechanical system has important pathophysiologic relevance because this cell type plays a key role in the development of a wide variety of clinical conditions. The complex hierarchical organization ranging from the molecular scale up to the cellular level has an intimate and intricate relationship to the barrier function between lung tissue and blood. To understand the innate molecule-cell-tissue relationship across varied length-scales, the functional role of c-Abl kinase in the cytoskeletal nano-biomechanics of ECs in response to barrier-altering agonists was investigated using atomic force microscopy. Concurrently, the spatially specific arrangement of cytoskeleton structure and dynamic distribution of critical proteins were examined using scanning electron microscopy and immunofluorescence. Reduction in c-Abl expression by siRNA attenuates both thrombin- and sphingosine 1-phosphate (S1P)-mediated structural changes in ECs, specifically spatially-defined changes in elastic modulus and distribution of critical proteins. These results indicate that c-Abl kinase is an important determinant of cortical actin-based cytoskeletal rearrangement. Our findings directly bridge the gap between kinase activity, structural complexity, and functional connectivity across varied length-scales, and suggest that manipulation of c-Abl kinase activity may be a potential target for the treatment of pulmonary barrier disorders.
format article
author X. Wang
L. Wang
J. G. N. Garcia
S. M. Dudek
G. S. Shekhawat
V. P. Dravid
author_facet X. Wang
L. Wang
J. G. N. Garcia
S. M. Dudek
G. S. Shekhawat
V. P. Dravid
author_sort X. Wang
title The Significant Role of c-Abl Kinase in Barrier Altering Agonists-mediated Cytoskeletal Biomechanics
title_short The Significant Role of c-Abl Kinase in Barrier Altering Agonists-mediated Cytoskeletal Biomechanics
title_full The Significant Role of c-Abl Kinase in Barrier Altering Agonists-mediated Cytoskeletal Biomechanics
title_fullStr The Significant Role of c-Abl Kinase in Barrier Altering Agonists-mediated Cytoskeletal Biomechanics
title_full_unstemmed The Significant Role of c-Abl Kinase in Barrier Altering Agonists-mediated Cytoskeletal Biomechanics
title_sort significant role of c-abl kinase in barrier altering agonists-mediated cytoskeletal biomechanics
publisher Nature Portfolio
publishDate 2018
url https://doaj.org/article/fc88895c584d48218be016fa40573180
work_keys_str_mv AT xwang thesignificantroleofcablkinaseinbarrieralteringagonistsmediatedcytoskeletalbiomechanics
AT lwang thesignificantroleofcablkinaseinbarrieralteringagonistsmediatedcytoskeletalbiomechanics
AT jgngarcia thesignificantroleofcablkinaseinbarrieralteringagonistsmediatedcytoskeletalbiomechanics
AT smdudek thesignificantroleofcablkinaseinbarrieralteringagonistsmediatedcytoskeletalbiomechanics
AT gsshekhawat thesignificantroleofcablkinaseinbarrieralteringagonistsmediatedcytoskeletalbiomechanics
AT vpdravid thesignificantroleofcablkinaseinbarrieralteringagonistsmediatedcytoskeletalbiomechanics
AT xwang significantroleofcablkinaseinbarrieralteringagonistsmediatedcytoskeletalbiomechanics
AT lwang significantroleofcablkinaseinbarrieralteringagonistsmediatedcytoskeletalbiomechanics
AT jgngarcia significantroleofcablkinaseinbarrieralteringagonistsmediatedcytoskeletalbiomechanics
AT smdudek significantroleofcablkinaseinbarrieralteringagonistsmediatedcytoskeletalbiomechanics
AT gsshekhawat significantroleofcablkinaseinbarrieralteringagonistsmediatedcytoskeletalbiomechanics
AT vpdravid significantroleofcablkinaseinbarrieralteringagonistsmediatedcytoskeletalbiomechanics
_version_ 1718388165043027968