Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/98971
Type: Artigo de periódico
Title: Trypanosoma Cruzi: Cloning And Expression Of An Antigen Recognized By Acute And Chronic Human Chagasic Sera
Author: Paranhos G.S.
Cotrim P.C.
Mortara R.A.
Rassi A.
Corral R.
Freilij H.L.
Grinstein S.
Wanderley J.
Camargo M.E.
da Silveira J.
Abstract: Here we describe the characterization of a Trypanosoma cruzi DNA sequence (clone A13) that codes for a polypeptide recognized by IgM and IgG antibodies from sera of acute and congenital chagasic patients. Antibodies to A13 antigen are also detected in the sera of chronic patients with different clinical forms of Chagas' disease, but not in sera of patients with leishmaniasis or other parasitic diseases. The antigenic determinants encoded by clone A13 are found in amastigotes and trypomastigotes of several T. cruzi strains, but not in the noninfective epimastigotes. The DNA sequence of the recombinant clone reveals one open reading frame encoding 251 amino acids without tandemly repeated sequences. Our data suggest that the A13 antigen may be useful for the development of serodiagnostic procedures. © 1990.
Editor: 
Rights: fechado
Identifier DOI: 10.1016/0014-4894(90)90033-9
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0025047374&partnerID=40&md5=6b265394bd94deeb1396651c3380a041
Date Issue: 1990
Appears in Collections:Unicamp - Artigos e Outros Documentos

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