Toxoplasmosis and Alzheimer: can Toxoplasma gondii really be introduced as a risk factor in etiology of Alzheimer?
Alzheimer is a progressive neurological disease that results in irreversible loss of neurons and includes about two thirds of all cases of dementia. Toxoplasma gondii may be an important infectious agent involved in neurodegenerative diseases. The aim of this study was to investigate the correlation...
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Veröffentlicht in: | Parasitology research (1987) 2016-08, Vol.115 (8), p.3169-3174 |
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Sprache: | eng |
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Zusammenfassung: | Alzheimer is a progressive neurological disease that results in irreversible loss of neurons and includes about two thirds of all cases of dementia.
Toxoplasma gondii
may be an important infectious agent involved in neurodegenerative diseases. The aim of this study was to investigate the correlation between
Toxoplasma
as an etiologic agent in the progress of Alzheimer’s disease. This case control study was conducted on 75 Alzheimer’s patients and 75 healthy volunteers. Blood samples were obtained and anti-
Toxoplasma
IgG and IgM tests were done by using ELISA technique. DNA was extracted from buffy coat and then GRA6 gene and SAG2 loci were amplified by PCR and nested PCR, respectively. Chi-square, Fisher’s test, and binary logistic regression were used for data analysis. A percentage of 61.3 % of Alzheimer’s patients and 62.6 % of healthy volunteers were positive for anti-
Toxoplasma
IgG but all participants were negative for anti-
Toxoplasma
IgM. There were no significant differences between Alzheimer’s patients with their controls in terms of anti-
Toxoplasma
IgG antibody (
P
= 0.5). Due to lack of positive IgM sample, results of the molecular methods were negative by GRA6 and SAG2 fragments amplification. This result shows that, infection with
T. gondii
cannot be considered as a risk factor for etiology and developing Alzheimer’s disease. |
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ISSN: | 0932-0113 1432-1955 |
DOI: | 10.1007/s00436-016-5075-5 |