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Integration of Trypanosoma cruzi kDNA minicircle sequence in the host genome may be associated with autoimmune serum factors in Chagas disease patients

Overview of attention for article published in Memórias do Instituto Oswaldo Cruz, August 2004
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Title
Integration of Trypanosoma cruzi kDNA minicircle sequence in the host genome may be associated with autoimmune serum factors in Chagas disease patients
Published in
Memórias do Instituto Oswaldo Cruz, August 2004
DOI 10.1590/s0074-02761999000700041
Pubmed ID
Authors

Augusto Simões-Barbosa, Ana Maria Barros, Nadjar Nitz, Enrique R Argañaraz, Antonio RL Teixeira

Abstract

Integration of kDNA sequences within the genome of the host cell shown by PCR amplification with primers to the conserved Trypanosoma cruzi kDNA minicircle sequence was confirmed by Southern hybridization with specific probes. The cells containing the integrated kDNA sequences were then perpetuated as transfected macrophage subclonal lines. The kDNA transfected macrophages expressed membrane antigens that were recognized by antibodies in a panel of sera from ten patients with chronic Chagas disease. These antigens barely expressed in the membrane of uninfected, control macrophage clonal lines were recognized neither by factors in the control, non-chagasic subjects nor in the chagasic sera. This finding suggests the presence of an autoimmune antibody in the chagasic sera that recognizes auto-antigens in the membrane of T. cruzi kDNA transfected macrophage subclonal lines.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 30 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Colombia 1 3%
Canada 1 3%
Unknown 28 93%

Demographic breakdown

Readers by professional status Count As %
Researcher 8 27%
Student > Bachelor 4 13%
Student > Ph. D. Student 4 13%
Student > Master 3 10%
Professor > Associate Professor 2 7%
Other 4 13%
Unknown 5 17%
Readers by discipline Count As %
Agricultural and Biological Sciences 12 40%
Biochemistry, Genetics and Molecular Biology 4 13%
Chemistry 2 7%
Immunology and Microbiology 2 7%
Pharmacology, Toxicology and Pharmaceutical Science 1 3%
Other 1 3%
Unknown 8 27%