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T-Helper 2 Lymphocyte Immunophenotype Is Associated With Iatrogenic Laryngotracheal Stenosis.


ABSTRACT: OBJECTIVE/HYPOTHESIS:This prospective controlled human and murine study assessed the presence of inflammatory cells and cytokines to test the hypothesis that immune cells are associated with fibroproliferation in iatrogenic laryngotracheal stenosis (iLTS). METHODS:Inflammation was assessed by histology and immunofluorescence (IF), quantitative real-time polymerase chain reaction (qRT-PCR), and flow cytometry of cricotracheal resections of iLTS patients compared to normal controls. An iLTS murine model assessed the temporal relationship between inflammation and fibrosis. RESULTS:iLTS specimens showed increased inflammation versus normal controls (159/high power field [hpf] vs. 119/hpf, P?=?0.038), and increased CD3?+?T-cells, CD4?+?cells, and CD3+/CD4?+?T-helper (TH ) cells (all P?

SUBMITTER: Hillel AT 

PROVIDER: S-EPMC6320294 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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T-Helper 2 Lymphocyte Immunophenotype Is Associated With Iatrogenic Laryngotracheal Stenosis.

Hillel Alexander T AT   Ding Dacheng D   Samad Idris I   Murphy Michael K MK   Motz Kevin K  

The Laryngoscope 20181113 1


<h4>Objective/hypothesis</h4>This prospective controlled human and murine study assessed the presence of inflammatory cells and cytokines to test the hypothesis that immune cells are associated with fibroproliferation in iatrogenic laryngotracheal stenosis (iLTS).<h4>Methods</h4>Inflammation was assessed by histology and immunofluorescence (IF), quantitative real-time polymerase chain reaction (qRT-PCR), and flow cytometry of cricotracheal resections of iLTS patients compared to normal controls.  ...[more]

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