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Childhood pentastomiasis: a report of three cases with the following-up data.
Parasitol Int
June 2013
Department of Pulmonology, The Children's Hospital of Zhejiang University School of Medicine, China.
Pentastomiasis, a zoonotic parasitic disease, has been reported commonly in Africa and Asia. It is caused by pentastomes, which are annulated but unsegmented blood-sucking endoparasites. Fewer than 20 cases have been reported during the past two decades in China, and cases in children have been especially rare.
View Article and Find Full Text PDFFatal infections in a captive Pithecia irrorata (primate) by Porocephalus sp. (Pentastomida).
Vet Parasitol
October 2010
Centro Nacional de Primatas/SVS/MS, Rod. Br 316, km 07, s/n, CEP 67030-000, Ananindeua, Pará, Brazil.
This work presents a case of sudden death of a non-human adult male primate, which belongs to the National Primate Center (CENP - Ananindeua - Pará - Brazil). The specimen was necropsied, and the anatomicopathologic exam showed a great collection of clotted blood in the right thoracic cavity, forming a mold. The aorta revealed an extensive lesion in its intima with a disruption area in its tissue.
View Article and Find Full Text PDFProteins and proteinases in the in vitro released products (IVRP) of the tissue-invasive and lung-dwelling larvae of the pentastomid Porocephalus crotali.
Parasitology
April 2002
School of Life Sciences, The University of Dundee.
Pentastomids are arthropod-like parasites which inhabit the respiratory tract of tetrapods and, despite being haematophagous, cause little or no visible pathology. Nymphs (or larvae), belonging to the advanced genus Porocephalus, encyst in the tissues of rodent intermediate hosts and migrate from this site to the lung following ingestion of the intermediate host. During migration, several moults occur and instars encounter a variety of tissue barriers and environmental cues.
View Article and Find Full Text PDFThe in vitro development of the pentastomid Porocephalus crotali from the infective instar to the adult stage.
Parasitology
November 1997
Department of Biological Sciences, University of Dundee.
The in vitro development of the pentastomid Porocephalus crotali from the infective, seventh (VII) instar, dissected from the tissues of rat intermediate hosts, to the adult male (X) and female (XI) instars, normally resident in the lung of rattlesnake definitive hosts, is described. The culture medium comprised washed human blood cells, resuspended in bovine serum (50:50, v/v), with 20% minimum essential medium and antibiotics. Two batches of approximately 100 pentastomids, maintained at a density of 2 worms/ml, were cultured in 500 ml bottles in an atmosphere of 5% CO2 in air at 28 degrees C.
View Article and Find Full Text PDFThe recruitment of mast cells, exclusively of the mucosal phenotype, into granulomatous lesions caused by the pentastomid parasite Porocephalus crotali: recruitment is irrespective of site.
Parasitology
January 1993
Department of Biological Sciences, University of Dundee, Scotland.
Adults of the porocephalid pentastomid Porocephalus crotali infect the lung of rattlesnake definitive hosts and larvae develop in rat intermediate hosts. In the latter, nymphs encyst within a variety of tissue sites (commonly abdominal fat bodies and lungs) and each becomes the focus of an eosinophilic granuloma. From an early stage in infections, granulomas become increasingly infiltrated by mast cells which, using conventional histology and paired immunofluorescence against mast cell proteases, appear to be exclusively of the mucosal phenotype.
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