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WFRF:(Ahmed Tanvir)
 

Sökning: WFRF:(Ahmed Tanvir) > Homologous and cros...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004230naa a2200673 4500
001oai:gup.ub.gu.se/84228
003SwePub
008240528s2006 | |||||||||||000 ||eng|
024a https://gup.ub.gu.se/publication/842282 URI
024a https://doi.org/10.1128/IAI.00474-062 DOI
040 a (SwePub)gu
041 a eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Qadri, Firdausi4 aut
2451 0a Homologous and cross-reactive immune responses to enterotoxigenic Escherichia coli colonization factors in Bangladeshi children.
264 1c 2006
520 a We have studied homologous (HoM) and cross-reacting (CR) immunoglobulin A (IgA) antibody responses to colonization factors (CFs) in Bangladeshi children with diarrhea due to enterotoxigenic E. coli (ETEC) strains of the CF antigen I (CFA/I) group (CFA/I, n = 25; coli surface antigen 4 [CS4], n = 8; CS14, n = 11) and the CS5 group (CS5, n = 15; CS7, n = 8), respectively. The responses to the HoM, CR, and heterologous (HeT) CF antigens in each group of patient were studied and compared to that seen in healthy children (n = 20). In the CFA/I group (CFA/I and CS14), patients responded with antibody-secreting cell (ASC) responses to HoM CFs (geometric mean, 156 to 329 ASCs/10(6) peripheral blood mononuclear cells [PBMCs]) and to CR CFs ( approximately 15 to 38 ASCs/10(6) PBMCs) but least of all to the HeT CS5 antigen (2 to 4 ASCs/10(6) PBMCs). For the CS5 group of patients with ETEC (CS5 and CS7), likewise, responses to HoM CFs (230 to 372 ASCs/10(6) PBMCs) and CR CFs (27 to 676 ASCs/10(6) PBMCs) were seen, along with lower responses to the HeT CFA/I antigen (9 to 38 ASCs/10(6) PBMCs). Both groups of patients responded with CF-specific IgA antibodies to HoM and CR antigens in plasma but responded less to the HeT CFs. The responses in patients were seen very soon after the onset of diarrhea and peaked around 1 week after onset. Vaccinees who had received two doses of the oral, killed whole-cell ETEC vaccine (CF-BS-ETEC) responded with plasma IgA antibodies to CFA/I, a component of the vaccine, but also to the CR CS14 antigen, which was not included in the vaccine, showing that antibody responses can be stimulated by a CFA/I-containing ETEC vaccine to a CR-reacting antigen in individuals in countries where ETEC is endemic.
650 7a MEDICIN OCH HÄLSOVETENSKAPx Medicinska och farmaceutiska grundvetenskaperx Mikrobiologi inom det medicinska området0 (SwePub)301092 hsv//swe
650 7a MEDICAL AND HEALTH SCIENCESx Basic Medicinex Microbiology in the medical area0 (SwePub)301092 hsv//eng
653 a Antibodies
653 a Bacterial
653 a blood
653 a Antigens
653 a Bacterial
653 a administration & dosage
653 a immunology
653 a Bangladesh
653 a Child
653 a Preschool
653 a Cross Reactions
653 a Diarrhea
653 a immunology
653 a microbiology
653 a Escherichia coli
653 a immunology
653 a Escherichia coli Infections
653 a immunology
653 a microbiology
653 a Escherichia coli Proteins
653 a administration & dosage
653 a immunology
653 a Escherichia coli Vaccines
653 a administration & dosage
653 a immunology
653 a Fimbriae Proteins
653 a administration & dosage
653 a immunology
653 a Humans
653 a Immunoglobulin A
653 a blood
700a Ahmed, Firoz4 aut
700a Ahmed, Tanvir,d 19704 aut
700a Svennerholm, Ann-Mari,d 1947u Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för mikrobiologi och immunologi,Institute of Biomedicine, Department of Microbiology and Immunology4 aut0 (Swepub:gu)xsannx
710a Göteborgs universitetb Institutionen för biomedicin, avdelningen för mikrobiologi och immunologi4 org
773t Infection and immunityg 74:8, s. 4512-8q 74:8<4512-8x 0019-9567
8564 8u https://gup.ub.gu.se/publication/84228
8564 8u https://doi.org/10.1128/IAI.00474-06

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