Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2003-11-12
pubmed:abstractText
We aimed at examining NFkappaB translocation in B lymphocytes during in vitro activation through the specific receptor for antigen using a technique convenient in most laboratories such as flow cytometry. We present here an original, convenient, and reproducible technique to study B cell activation events through NFkappaB translocation by means of a novel, specific flow cytometry assay. Intranuclear translocation of NFkappaB p65 was induced after a 45min stimulation; the highest signal was detected for a 10 ng/ml stimulus compared to the unstimulated condition (P< 0.05). Purified CD19+ B cells--cultured in the presence of optimal concentrations of anti-micro fragment Abs (10ng/ml) for 45min at 37 degrees C--induced a mean 60% (range: 45-67%) MFI-- and thus, nuclear NFkappaB translocation-increase. We observed a one-pike profile of NFkappaB staining in PBMC B cells and a two-pike profile of NFkappaB staining in using tonsil B cells. B cells are susceptible to various dysregulations leading to minor to severe pathology (including immunoproliferative disorders). Studies of signal transduction carried out specifically in human B cells, using a novel technique gave considerable advantages: feasibility, sensitivity, reproducibility, ease.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0165-2478
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
90
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
49-52
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
2003
pubmed:articleTitle
A flow cytometry technique to study nuclear factor-kappa B (NFkappaB) translocation during human B cell activation.
pubmed:affiliation
GIMAP-EA3064, Faculté de Médecine, Université Jean Monnet de Saint-Etienne, 15 rue Ambroise Paré, 42023 Saint-Etienne 2, France.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't