2014
DOI: 10.1038/ncomms5273
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Shp1 signalling is required to establish the long-lived bone marrow plasma cell pool

Abstract: Germline or B-cell-specific loss of Ptpn6 gene encoding the Shp1 protein tyrosine phosphatase leads to skewed B lymphopoiesis and systemic autoimmunity. Here, to study its role in B-cell terminal differentiation, we generated Ptpn6f/fAicdaCre/+ mice with Shp1 ablated only in activated B cells. We show that Ptpn6f/fAicdaCre/+ mice have normal B-cell development but exhibit defective class-switched primary and recalled antibody response to a T-cell-dependent antigen. Germinal centres are present but do not persi… Show more

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Cited by 31 publications
(29 citation statements)
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References 66 publications
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“…Two groups have reported a critical role for SHP-1 in GC maintenance and memory cell development [25, 26]. Although our studies here do not address SHP-1 recruitment in CD22 -/- GC B cells, they are consistent with the notion that the absence of CD22 leads to decreased SHP-1 recruitment.…”
Section: Resultssupporting
confidence: 86%
“…Two groups have reported a critical role for SHP-1 in GC maintenance and memory cell development [25, 26]. Although our studies here do not address SHP-1 recruitment in CD22 -/- GC B cells, they are consistent with the notion that the absence of CD22 leads to decreased SHP-1 recruitment.…”
Section: Resultssupporting
confidence: 86%
“…Membranes were incubated with horseradish peroxidase-conjugated secondary antibodies (Santa Cruz) and visualized with SuperSignal West Pico/Dura chemiluminescent substrate (Pierce)25.…”
Section: Methodsmentioning
confidence: 99%
“…4‐Hydroxy‐3‐nitrophenylacytyl (NP)‐specific IgM, IgG1 and IgG3 antibodies were determined by ELISA, and IgG1 antibody‐secreting cell (ASC) formation were detected by ELISPOT, following previously published protocols …”
Section: Methodsmentioning
confidence: 99%
“…and IgG3 antibodies were determined by ELISA, and IgG1 antibody-secreting cell (ASC) formation were detected by ELISPOT, following previously published protocols. 33 For ELISA, 384-well flat-bottomed NUNC plates were coated overnight with NP 14 -BSA (5 lg/ml), washed and blocked for 2 hr with 2% BSA in PBS (blocking buffer) at room temperature. Sera samples were serially diluted with blocking buffer and incubated for 2 hr at room tem-perature.…”
Section: -Hydroxy-3-nitrophenylacytyl (Np)-specific Igm Igg1mentioning
confidence: 99%