NEMERGUT, Michal, Tereza BÁŤKOVÁ, Dana VIGAŠOVÁ, Milan BARTOŠ, Martina HLOZANKOVA, Andrea SMITH, Barbora LIŠKOVÁ, Kateřina SHEARDOVÁ, Martin VYHNALEK, Jakub HORT, Jan LACZO, Ingrid KOVÁČOVÁ, Michal ŠITINA, Radoslav MATEJ, Radim JANČÁLEK, Martin MAREK and Jiří DAMBORSKÝ. Increased occurrence of Treponema spp. and double-species infections in patients with Alzheimer's disease. Science of the Total Environment. Amsterdam: Elsevier Science, 2022, vol. 844, October 2022, p. 1-7. ISSN 0048-9697. Available from: https://dx.doi.org/10.1016/j.scitotenv.2022.157114.
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Basic information
Original name Increased occurrence of Treponema spp. and double-species infections in patients with Alzheimer's disease
Authors NEMERGUT, Michal (703 Slovakia, belonging to the institution), Tereza BÁŤKOVÁ (203 Czech Republic, belonging to the institution), Dana VIGAŠOVÁ (703 Slovakia, belonging to the institution), Milan BARTOŠ (203 Czech Republic), Martina HLOZANKOVA, Andrea SMITH (703 Slovakia, belonging to the institution), Barbora LIŠKOVÁ (203 Czech Republic, belonging to the institution), Kateřina SHEARDOVÁ (203 Czech Republic, belonging to the institution), Martin VYHNALEK, Jakub HORT, Jan LACZO, Ingrid KOVÁČOVÁ (703 Slovakia), Michal ŠITINA (203 Czech Republic), Radoslav MATEJ, Radim JANČÁLEK (203 Czech Republic, belonging to the institution), Martin MAREK (203 Czech Republic, belonging to the institution) and Jiří DAMBORSKÝ (203 Czech Republic, guarantor, belonging to the institution).
Edition Science of the Total Environment, Amsterdam, Elsevier Science, 2022, 0048-9697.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10511 Environmental sciences
Country of publisher Netherlands
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 9.800
RIV identification code RIV/00216224:14310/22:00127629
Organization unit Faculty of Science
Doi http://dx.doi.org/10.1016/j.scitotenv.2022.157114
UT WoS 000829279700009
Keywords in English Alzheimer'sdisease; Treponemaspp; Microbialinfection; Pathogen; Serum; PCR
Tags 14110127, 14110131, podil, rivok
Tags International impact, Reviewed
Changed by Changed by: Mgr. Michaela Hylsová, Ph.D., učo 211937. Changed: 16/3/2023 21:13.
Abstract
Although the link between microbial infections and Alzheimer's disease (AD) has been demonstrated in multiple studies, the involvement of pathogens in the development of AD remains unclear. Here, we investigated the fre-quency of the 10 most commonly cited viral (HSV-1, EBV, HHV-6, HHV-7, and CMV) and bacterial (Chlamydia pneumoniae, Helicobacter pylori, Borrelia burgdorferi, Porphyromonas gingivalis, and Treponema spp.) pathogens in serum, cerebrospinal fluid (CSF) and brain tissues of AD patients. We have used an in-house multiplex PCR kit for simultaneous detection of five bacterial and five viral pathogens in serum and CSF samples from 50 AD patients and 53 healthy controls (CTRL). We observed a significantly higher frequency rate of AD patients who tested positive for Treponema spp. compared to controls (AD: 62.2 %; CTRL: 30.3 %; p-value = 0.007). Fur-thermore, we confirmed a significantly higher occurrence of cases with two or more simultaneous infections in AD patients compared to controls (AD: 24 %; CTRL 7.5 %; p-value = 0.029). The studied pathogens were de-tected with comparable frequency in serum and CSF. In contrast, Borrelia burgdorferi, human herpesvirus 7, and human cytomegalovirus were not detected in any of the studied samples. This study provides further evidence of the association between microbial infections and AD and shows that paralleled analysis of multiple sample specimens provides complementary information and is advisable for future studies.
Links
MUNI/H/1561/2018, interní kód MUName: Decoding the molecular principles of enzyme evolution
Investor: Masaryk University, Individual High risk/high gain projects
NV19-08-00472, research and development projectName: Klinicky relevantní biochemické, imunologické a buněčné biomarkery Alzheimerovy nemoci a stárnutí (Acronym: BioMAD)
Investor: Ministry of Health of the CR
TN01000013, research and development projectName: Personalizovaná medicína - diagnostika a terapie
Investor: Technology Agency of the Czech Republic, Personalized Medicine – Diagnostics and Therapy
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