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Unusual ciliary abnormalities in three 9/11 response workers.
MedLine Citation:
PMID:  21370679     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
After the 9/11 terrorist attacks on the World Trade Center in New York in 2001, thousands of response workers were exposed to complex mixtures of toxins, pollutants, and carcinogens. Many developed illnesses involving the respiratory tract. We report unusual ultrastructural ciliary abnormalities in 3 response workers that corresponded to their respiratory and ciliary functional abnormalities. Each patient had respiratory cilia biopsies that were evaluated for motility and ultrastructural changes. Impaired ciliary motility was seen in 2 of the 3 patients. Each of the patients showed monomorphic ultrastructural abnormalities. Two of the patients showed identical triangular disarray of axonemal microtubules with peripheral doublets 1,4, and 7 forming the corners of the triangle and doublet 9 always more medially displaced than doublets 2, 3, 5, 6, and 8. Two workers had cilia in which axonemes were replaced by homogeneously dense cores. One of these also had cilia with triangular axonemes as previously described. The other had cilia with a geometric triangular to pentagonal shape. The ciliary abnormalities described here may represent a new class of primary ciliary dyskinesia in which abnormalities may have a genetic basis and a phenotypic expression that is prompted at the cellular level by local environmental conditions.
Authors:
James T McMahon; Rizwan Aslam; Stephen E Schell
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Annals of otology, rhinology, and laryngology     Volume:  120     ISSN:  0003-4894     ISO Abbreviation:  Ann. Otol. Rhinol. Laryngol.     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-03-04     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0407300     Medline TA:  Ann Otol Rhinol Laryngol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  40-8     Citation Subset:  AIM; IM    
Affiliation:
Department of Anatomic Pathology, Cleveland Clinic Foundation, Cleveland, Ohio, USA.
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