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@article{968038,
author = {Kreuzaler, Matthias and Rauch, Melanie and Salzer, Ulrich and Birmelin, Jennifer and Rizzi, Marta and Grimbacher, Bodo and Plebani, Alessandro and Lougaris, Vassilios and Quinti, Isabella and Thon, Vojtěch and Litzman, Jiří and Schlesier, Michael and Warnatz, Klaus and Thiel, Jens and Rolink, Antonius G. and Eibel, Hermann},
article_number = {1},
doi = {http://dx.doi.org/10.4049/jimmunol.1102321},
keywords = {chronic lymphocytic leukemia; Creactive protein; common variable immunodeficiency; primary antibody deficiency; systemic lupus erythematosus},
language = {eng},
issn = {0022-1767},
journal = {The Journal of Immunology},
title = {Soluble BAFF Levels Inversely Correlate with Peripheral B Cell Numbers and the Expression of BAFF Receptors},
url = {http://www.jimmunol.org/cgi/doi/10.4049/jimmunol.1102321},
volume = {188},
year = {2012}
}
TY - JOUR
ID - 968038
AU - Kreuzaler, Matthias - Rauch, Melanie - Salzer, Ulrich - Birmelin, Jennifer - Rizzi, Marta - Grimbacher, Bodo - Plebani, Alessandro - Lougaris, Vassilios - Quinti, Isabella - Thon, Vojtěch - Litzman, Jiří - Schlesier, Michael - Warnatz, Klaus - Thiel, Jens - Rolink, Antonius G. - Eibel, Hermann
PY - 2012
TI - Soluble BAFF Levels Inversely Correlate with Peripheral B Cell Numbers and the Expression of BAFF Receptors
JF - The Journal of Immunology
VL - 188
IS - 1
SP - 497-503
EP - 497-503
SN - 00221767
KW - chronic lymphocytic leukemia
KW - Creactive protein
KW - common variable immunodeficiency
KW - primary antibody deficiency
KW - systemic lupus erythematosus
UR - http://www.jimmunol.org/cgi/doi/10.4049/jimmunol.1102321
N2 - The TNF family member protein BAFF/BLyS is essential for B cell survival and plays an important role in regulating class switch recombination as well as in the selection of autoreactive B cells. In humans, increased concentrations of soluble BAFF are found in different pathological conditions, which may be as diverse as autoimmune diseases, B cell malignancies, and primary Ab deficiencies (PAD). Because the mechanisms that regulate BAFF levels are not well understood, we newly developed a set of mAbs against human BAFF to study the parameters that determine the concentrations of soluble BAFF in circulation. Patients with PAD, including severe functional B cell defects such as BTK, BAFF-R, or TACI deficiency, were found to have higher BAFF levels than asplenic individuals, patients after anti-CD20 B cell depletion, chronic lymphocytic leukemia patients, or healthy donors. In a comparable manner, mice constitutively expressing human BAFF were found to have higher concentrations of BAFF in the absence than in the presence of B cells. Therefore, our data strongly suggest that BAFF steady-state concentrations mainly depend on the number of B cells as well as on the expression of BAFF-binding receptors. Because most patients with PAD have high levels of circulating BAFF, the increase in BAFF concentrations cannot compensate defects in B cell development and function.
ER -
KREUZALER, Matthias, Melanie RAUCH, Ulrich SALZER, Jennifer BIRMELIN, Marta RIZZI, Bodo GRIMBACHER, Alessandro PLEBANI, Vassilios LOUGARIS, Isabella QUINTI, Vojtěch THON, Jiří LITZMAN, Michael SCHLESIER, Klaus WARNATZ, Jens THIEL, Antonius G. ROLINK a Hermann EIBEL. Soluble BAFF Levels Inversely Correlate with Peripheral B Cell Numbers and the Expression of BAFF Receptors. \textit{The Journal of Immunology}. 2012, roč.~188, č.~1, s.~497-503. ISSN~0022-1767. Dostupné z: https://dx.doi.org/10.4049/jimmunol.1102321.
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