Article (Scientific journals)
Temporal Stability of Ciliary Beating Post Nasal Brushing, Modulated by Storage Temperature.
Bricmont, Noémie; Bonhiver, Romane; Benchimol, Lionel et al.
2023In Diagnostics, 13 (18), p. 2974
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Keywords :
cilia; ciliary beating; ciliary videomicroscopy; primary ciliary dyskinesia; Clinical Biochemistry
Abstract :
[en] Primary ciliary dyskinesia is a heterogeneous, inherited motile ciliopathy in which respiratory cilia beat abnormally, and some ultrastructural ciliary defects and specific genetic mutations have been associated with particular ciliary beating alterations. Ciliary beating can be evaluated using digital high-speed videomicroscopy (DHSV). However, normal reference values, essential to assess ciliary beating in patients referred for a PCD diagnostic, vary between centres, as minor variations in protocols might influence ciliary beating. Consequently, establishment of normal values is essential for each PCD diagnostic centre. We aimed to evaluate whether delay after sampling, and temperature for conservation of respiratory ciliated samples, might modify assessments of ciliary beating. In total, 37 healthy nasal brushing samples of respiratory ciliated epithelia were collected. Video sequences were recorded at 37 °C immediately using DHSV. Then, the samples were divided and conserved at 4 °C or at room temperature (RT). Ciliated beating edges were then recorded at 37 °C, at 3 h and at 9 h post sampling. In six samples, recordings were continued up to 72 h after sampling. Ciliary beating was assessed manually by ciliary beat frequency (CBFM) and ciliary beat pattern (CBP). A semi-automatic software was used for quantitative analysis. Both CBF and CBP evaluated manually and by a semi-automated method were stable 9 h after sampling. CBFM was higher when evaluated using samples stored at RT than at 4 °C. CBP and the semi-automated evaluation of ciliary beating were not affected by storage temperature. When establishing normal references values, ciliary beating can be evaluated at 37 °C up to 9 h after nasal brushing, but the storage temperature modifies ciliary beating and needs to be controlled.
Disciplines :
Pediatrics
Author, co-author :
Bricmont, Noémie  ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de pédiatrie
Bonhiver, Romane ;  Université de Liège - ULiège > GIGA
Benchimol, Lionel ;  Centre Hospitalier Universitaire de Liège - CHU > > Service d'ORL, d'audiophonologie et de chir. cervico-faciale
Louis, Bruno;  Institut Mondor de Recherche Biomédicale, INSERM-UPEC UMR 955, CNRS ERL7000, 94010 Créteil, France
Papon, Jean-François;  Institut Mondor de Recherche Biomédicale, INSERM-UPEC UMR 955, CNRS ERL7000, 94010 Créteil, France ; ENT Department, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Saclay, Hôpital Bicêtre, 94270 Le Kremlin-Bicêtre, France
Monseur, Justine ;  Université de Liège - ULiège > Département des sciences de la santé publique > Biostatistique
Donneau, Anne-Françoise ;  Université de Liège - ULiège > Département des sciences de la santé publique
Moermans, Catherine  ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de pneumologie - allergologie
Schleich, FLorence  ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de pneumologie - allergologie
CALMES, Doriane ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de pneumologie - allergologie
Poirrier, Anne-Lise  ;  Centre Hospitalier Universitaire de Liège - CHU > > Service d'ORL, d'audiophonologie et de chir. cervico-faciale
Louis, Renaud ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de pneumologie - allergologie
Seghaye, Marie-Christine  ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de pédiatrie
Kempeneers, Céline  ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de pédiatrie
More authors (4 more) Less
Language :
English
Title :
Temporal Stability of Ciliary Beating Post Nasal Brushing, Modulated by Storage Temperature.
Publication date :
18 September 2023
Journal title :
Diagnostics
ISSN :
2075-4418
Publisher :
MDPI AG, Switzerland
Volume :
13
Issue :
18
Pages :
2974
Peer reviewed :
Peer reviewed
Funders :
ULiège - University of Liège [BE]
CHU Liège - Central University Hospital of Liege [BE]
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