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Effect of organochlorine (DDT) exposure on experimental giardiasis
Joint Authors
Shoheib, Zaynab S.
Diyab, Futuh A.
Abu al-Fadil, Arwa A.
al-Nouby, Khulud A.
Source
Journal of the Egyptian Society of Parasitology
Issue
Vol. 38, Issue 1 (30 Apr. 2008), pp.225-243, 19 p.
Publisher
The Egyptian Society of Parasitology
Publication Date
2008-04-30
Country of Publication
Egypt
No. of Pages
19
Main Subjects
Topics
Abstract EN
This work studied the effect of sub-chronic DDT exposure on the course of experimental giardiasis and efficacy of its treatment.
A total of 160 mice were divided into six groups : G1 : 30 mice received DDT and infected with Giardia lamblia.
G2: 30 mice received DDT, infec-ted and treated with tinidazole (TNZ).
G3: 30 mice infected with Giardia.
G4: 30 mice infected and treated with TNZ.
G5: 30 mice received DDT only.
G6: 10 mice served as normal control.
Mice were sac-rificed at 7, 14, 21and 28 days P.I.
All groups were subjected to cyst count / 2 hours collected stool, trophozoite count in intestine, histopathologically examination of small intestinal section and avidin biotin peroxidase technique for local IgA staining.
Also, IFN-γ was measu-red in sera.
DDT caused early shedding of many cysts and increase in trophozoite counts for a long time, decreased intra epithelial lymphocytes, low levels of IgA and IFN-γ and severe histopathologically changes in intestinal sections in G1 as compared to G3.
Also, DDT reduced the efficacy of TNZ treatment in G2 as compared to G4.
The results strongly support the immunomodulation effect of DDT on experimental giardiasis that might be responsible for persistence of infection, resistance to treatment and re-infection in DDT exposed persons.
American Psychological Association (APA)
Diyab, Futuh A.& al-Nouby, Khulud A.& Shoheib, Zaynab S.& Abu al-Fadil, Arwa A.. 2008. Effect of organochlorine (DDT) exposure on experimental giardiasis. Journal of the Egyptian Society of Parasitology،Vol. 38, no. 1, pp.225-243.
https://search.emarefa.net/detail/BIM-280317
Modern Language Association (MLA)
Diyab, Futuh A.…[et al.]. Effect of organochlorine (DDT) exposure on experimental giardiasis. Journal of the Egyptian Society of Parasitology Vol. 38, no. 1 (Apr. 2008), pp.225-243.
https://search.emarefa.net/detail/BIM-280317
American Medical Association (AMA)
Diyab, Futuh A.& al-Nouby, Khulud A.& Shoheib, Zaynab S.& Abu al-Fadil, Arwa A.. Effect of organochlorine (DDT) exposure on experimental giardiasis. Journal of the Egyptian Society of Parasitology. 2008. Vol. 38, no. 1, pp.225-243.
https://search.emarefa.net/detail/BIM-280317
Data Type
Journal Articles
Language
English
Notes
Includes appendices : p. 242-243
Record ID
BIM-280317