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A method for measuring the attachment strength of the cestode Hymenolepis diminuta to the rat intestine

Published online by Cambridge University Press:  04 November 2016

W. Xie ,
G.R. Racz ,
B.S. Terry  and
S.L. Gardner
W. Xie*
Affiliation:
Department of Mechanical and Materials Engineering, W342 Nebraska Hall, University of Nebraska-Lincoln, Lincoln, NE 68588-0526, USA
G.R. Racz
Affiliation:
Harold W. Manter Laboratory of Parasitology, W529 Nebraska Hall, University of Nebraska-Lincoln, Lincoln, NE 68588-0514, USA
B.S. Terry
Affiliation:
Department of Mechanical and Materials Engineering, W342 Nebraska Hall, University of Nebraska-Lincoln, Lincoln, NE 68588-0526, USA
S.L. Gardner
Affiliation:
Harold W. Manter Laboratory of Parasitology, W529 Nebraska Hall, University of Nebraska-Lincoln, Lincoln, NE 68588-0514, USA
*
*E-mail address: [email protected]
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Abstract

A unique adaptation of many internal parasites of mammals is their ability to stay in the intestine for extended periods of time and resist the normal peristaltic movements and forces that push and expel material. To better understand parasite adhesion behaviour and replicate their attachment method in medical devices, an experiment was designed and performed using the rat tapeworm, Hymenolepis diminuta. The experiment employed a tensile test machine and a digital scale and was designed to calculate the attachment strength of the scolex to the mucosa through the change of the value of the digital scale during the tensile test. The attachment force of H. diminuta is 0.021 ± 0.011 g. This method could be applied in studies of parasite biomechanics and the results may help medical device researchers to better mimic the unique functional morphology of this species of parasite.

Type
Short Communications
Information
Journal of Helminthology , Volume 91 , Issue 6 , November 2017 , pp. 762 - 766
Copyright
Copyright © Cambridge University Press 2016 

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