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"Mycobacterium avium subsp. hominissuis" in neck lymph nodes of children and their environment examined by culture and triplex quantitative real-time PCR

M. Kaevska, I. Slana, P. Kralik, U. Reischl, J. Orosova, A. Holcikova, I. Pavlik,

. 2011 ; 49 (1) : 167-172.

Jazyk angličtina Země Spojené státy americké

Typ dokumentu kazuistiky, časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc12027276
E-zdroje Online Plný text

NLK Free Medical Journals od 1975 do Před 6 měsíci
Freely Accessible Science Journals od 1995 do Před 6 měsíci
PubMed Central od 1975 do Před 6 měsíci
Europe PubMed Central od 1975 do Před 6 měsíci
Open Access Digital Library od 1975-01-01
Open Access Digital Library od 1975-01-01

Odkazy

PubMed 21084514
DOI 10.1128/jcm.00802-10
Knihovny.cz E-zdroje

"Mycobacterium avium subsp. hominissuis" often causes cervical lymphadenitis in children; its prompt and accurate identification enables adequate therapy, tracing, and prevention. The aims of this study were to determine the causative agent of lymphadenitis using culture, PCR, and triplex quantitative real-time PCR (qPCR) methods with DNA directly isolated from tissue, as well as to identify possible sources of infection from the environment. We confirmed the diagnoses by detecting M. avium subsp. hominissuis using qPCR with DNA directly isolated from lymph node biopsy specimens of two patients. In order to trace the source of infection from the environment, a method of DNA isolation from soil and other environmental samples, such as dust, cobwebs, and compost, was developed. The triplex qPCR examination revealed the presence of M. avium subsp. hominissuis in a high proportion of the environmental samples (42.8% in the first patient's house and 47.6% in the second patient's house). Both patients were also exposed to M. avium subsp. avium, which was present due to the breeding of infected domestic hens. The high infectious dose of M. avium subsp. hominissuis or the increased susceptibility of humans to M. avium subsp. hominissuis compared to M. avium subsp. avium could be the reason why the children were infected with M. avium subsp. hominissuis.

Citace poskytuje Crossref.org

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