On Cilia, Flagella, and Pulmonary Pseudoprotozoa
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We have read with interest the article published in your journal by Xue et al. [1] regarding a case report of bronchopulmonary infection by the multiflagellated protozoon Lophomonas blattarum (LB). After observing carefully the images showed by authors, we think that there may be a misidentification of detached ciliated bronchial cells as true LB. The figures for the fresh samples may reflect a ciliated cell as there is a clear terminal bar and short, regular unidirectional cilia inserted on the apical end (Fig. 1A). In the top right panel (Fig. 1B), a small cluster (2 or 3 elements) of ciliated bronchial cells may represent a “Creola body”, as there is irregularity of the cytoplasm contours and a round nucleus. This irregular cytoplasmic contour could resemble an ameboid movement, which is different from the flagellar-related motility of LB. Moreover, short regular and unidirectional cilia can be also observed.
Abstract
We have read with interest the article published in your journal by Xue et al. [1] regarding a case report of bronchopulmonary infection by the multiflagellated protozoon Lophomonas blattarum (LB). After observing carefully the images showed by authors, we think that there may be a misidentification of detached ciliated bronchial cells as true LB. The figures for the fresh samples may reflect a ciliated cell as there is a clear terminal bar and short, regular unidirectional cilia inserted on the apical end (Fig. 1A). In the top right panel (Fig. 1B), a small cluster (2 or 3 elements) of ciliated bronchial cells may represent a “Creola body”, as there is irregularity of the cytoplasm contours and a round nucleus. This irregular cytoplasmic contour could resemble an ameboid movement, which is different from the flagellar-related motility of LB. Moreover, short regular and unidirectional cilia can be also observed.
참고문헌 (6)
- Jian Xue, "Bronchopulmonary infection of Lophomonas blattarum: a case and literature review", The Korean Journal of Parasitology, 52(5), pp.521~525 (2014), 대한기생충학ㆍ열대의학회[DOI]
- Lindemann CB, "Flagellar and ciliary beating: the proven and the possible", J Cell Sci, 123, pp.519~528 (2010)
- Martínez-Girón R, "Lophomonas blattarum: a bronchopulmonary pathogen", Acta Cytol, 54, pp.1050~1051 (2010)
- Martínez-Girón R, "Bronchopulmonary lophomoniasis: emerging disease or unsubstantiated legend?", Parasit Vectors, 7, pp.284~ (2014)
- Martinez-Girón R, "Lophomonas blattarum and bronchopulmonary disease", J Med Microbiol, 62, pp.1641~1648 (2013)
- Martínez-Giron R, "From the 19th century to the 21st, an old dilemma: ciliocytophthoria, multiflagellated protozoa, or both?", Diagn Cytopathol, 36, pp.609~611 (2008)