Detection of Experimental Cryptosporidiosis in Neonatal Mice and Rats by Nested-PCR

Mohamad Mohsen  Homayoni; Keivan  Majidzadeh; Niloofar  Taghipour; Niloufar  Khalaji; seyyed javad seyyed tabaei

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Detection of Experimental Cryptosporidiosis in Neonatal Mice and Rats by Nested-PCR

Author(s):

Mohamad Mohsen Homayoni¹,

Keivan Majidzadeh²,

Niloofar Taghipour³,

Niloufar Khalaji⁴,

seyyed javad seyyed tabaei^5,*

1Department of Medical Parasitology and Mycology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran., Iran

2Tasnim Biotechnology of Research Center, AJA University of Medical Science, Tehran, Iran., Iran

3Department of Medical Parasitology and Mycology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran, Iran

4Department of food research, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical science, Tehran, Iran., Iran

Annals of Military and Health Sciences Research:Vol. 14, issue 2; e12937

Published online:Jun 01, 2016

Article type:Research Article

Received:Apr 02, 2016

Accepted:May 02, 2016

How to Cite:Homayoni MM, Majidzadeh K, Taghipour N, Khalaji N, seyyed tabaei SJ. Detection of Experimental Cryptosporidiosis in Neonatal Mice and Rats by Nested-PCR. Ann Mil Health Sci Res. 2016;14(2):e12937. doi:

Abstract

Purpose: The purpose of this study is to model Cryptosporidiosis in laboratory animals. The
parasites were inoculated into animalsand thenmultiplied. The process of proliferation was
compared to controlCryptosporidiosis in humans.
Materials and Methods: Twenty-five laboratory mice (4-7 days of age) and twenty-five
laboratory rats (5 days of age) were assigned to the category I while the category II (control
group) consisted oftwenty-fiverats and twenty-five mice. The two categories were infected with
5×105 Cryptosporidium parvum oocysts originated from a calf by using a 24-gauge & 20-gauge
ball-point feeding needle. On 4-9 days of post inoculation the intestine, colon, and rectum
were removed. Cryptosporidium infection was determined by detecting oocysts in intestinal
homogenates by Staining and PCR method. Simple extraction and purification method was
used by ficoll gradient centrifugation. Also, twenty laboratory rats (4-6 weeks of age) were
intramuscularly injected with dexamethasone(Sigma, Chemical Co. UK) two times per week,
and the last injection was given with 5×105 Cryptosporidium parvum oocyst on the same day as
oral inoculation. The water was supplemented with tetracycline to avoiding secondary infections.
Results: Two to four million purified oocysts with a maximum of 10 million were routinely
obtained per mouse and rat. Also the day in which oocyst excretion is the highest was determined.
The number of oocyst per neonatal mouse was (11±2)×105 on 9-12 days of post infection while
similarly it was (10±1)×105 per neonatal rat.
Conclusion: The evaluation of the cryptosporidiosis in immunocompromised animal models
can help us to understand and control the Cryptosporidium infections.

Keywords

cryptosporidium parvum

mice

rat

animal model

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References

1.
reference is available in pdf.

An examination of Cryptosporidium parvum infection in neonate BALB/c mice and rats

Seyed Mehran Mirza-Qavami,

Javid Sadraei

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31

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2017

Neonatal Rat; A Suitable Animal Model for Experimental Cryptosporidiosis

Seyede Manizhe Heidarnejadi,

Abdollah Rafiei,

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Majid Pirestani,

Jasem Saki,

Ataallah Ghadiri

Heidarnejadi SM, Rafiei A, Makvandi M, Pirestani M, Saki J, et al. Neonatal Rat; A Suitable Animal Model for Experimental Cryptosporidiosis. Jundishapur J Microbiol. 2017;10(7):e13865. doi: https://doi.org/10.5812/jjm.13865

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2012

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Fares Bahrami,

Javid Sadraei,

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Zeynep Tas Cengiz,

Hasan Yilmaz,

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Cengiz ZT, Yilmaz H, Sahin IH, Kapmaz M, Ekici P. The Frequency of Cryptosporidium spp. in Immunocompromised Patients by Modified Acid-Fast Staining, Cassette Kit and ELISA Methods: Comparison of the Diagnostic Techniques. Jundishapur J Microbiol. 2017;10(2):e36479. doi: https://doi.org/10.5812/jjm.36479

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Evaluation of cryptosporidiosis in diarrheic children referred to Amir al Moemenin hospital, Semnan

MohammadReza AkbariEydgahi,

Mehdi AboeiMehrizi,

MohammadEsmaiel AminBidokhti,

AliAkbar Shabani

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Author(s):

Mohamad Mohsen Homayoni:[PubMed][Scholar]
Keivan Majidzadeh:[PubMed][Scholar]
Niloofar Taghipour:[PubMed][Scholar]
Niloufar Khalaji:[PubMed][Scholar]
seyyed javad seyyed tabaei:[PubMed][Scholar]

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Detection of Experimental Cryptosporidiosis in Neonatal Mice and Rats by Nested-PCR

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