Antibody repertoire development in fetal and neonatal piglets. XX. B cell lymphogenesis is absent in the ileal Peyer´s patches, their repertoire development is antigen dependent, and they are not required for B cell maintenance

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388971%3A_____%2F11%3A00369862" target="_blank" >RIV/61388971:_____/11:00369862 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.4049/jimmunol.1101871" target="_blank" >http://dx.doi.org/10.4049/jimmunol.1101871</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.4049/jimmunol.1101871" target="_blank" >10.4049/jimmunol.1101871</a>

Result language
angličtina
Original language name
Antibody repertoire development in fetal and neonatal piglets. XX. B cell lymphogenesis is absent in the ileal Peyer´s patches, their repertoire development is antigen dependent, and they are not required for B cell maintenance
Original language description
The continuous ileal Peyer?s patches (IPP) of sheep are regarded as a type of mammalian bursal equivalent where B cells diversify their repertoire in an Ag-independent fashion. Anatomically and developmentally similar IPP occur in swine. Resection of 90%of the IPP in piglets at birth did not alter Ig levels in serum and secretions or retard diversification of the Ab repertoire when animals were maintained in isolators and colonized with a defined gut flora. Resection or sham surgery elevated IgG and IgA in serum and in lavage fluid from the gut, lung, and in saliva. No changes in the frequency of IgG-, IgA-, and IgM-containing cells in the spleen and peripheral lymph node were observed. Using an index that quantifies diversification of the VDJ repertoire, no differences were seen in three secondary lymphoid tissues between piglets lacking IPP and colonized controls, whereas both groups displayed >10-fold greater diversification than did late-term fetal piglets or piglets maintained ge
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
EC - Immunology
OECD FORD branch
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Project
<a href="/en/project/ME09089" target="_blank" >ME09089: Characterization of T and B lymphocytes in Ileal Peyers Patches of swine.</a><br>
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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