| pubmed-article:9454767 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:9454767 | lifeskim:mentions | umls-concept:C0026724 | lld:lifeskim |
| pubmed-article:9454767 | lifeskim:mentions | umls-concept:C0253023 | lld:lifeskim |
| pubmed-article:9454767 | lifeskim:mentions | umls-concept:C0243026 | lld:lifeskim |
| pubmed-article:9454767 | lifeskim:mentions | umls-concept:C0205217 | lld:lifeskim |
| pubmed-article:9454767 | lifeskim:mentions | umls-concept:C1326202 | lld:lifeskim |
| pubmed-article:9454767 | lifeskim:mentions | umls-concept:C1522240 | lld:lifeskim |
| pubmed-article:9454767 | pubmed:issue | 4 | lld:pubmed |
| pubmed-article:9454767 | pubmed:dateCreated | 1998-3-3 | lld:pubmed |
| pubmed-article:9454767 | pubmed:abstractText | Sepsis is reported to induce an increase in the rate of apoptosis (Ao), in immature lymphoid cells residing in hematopoietic tissues such as the thymus and bone marrow. Alternatively, secondary lymphoid tissue, such as the spleen exhibit little innate (unstimulated) Ao. However, it is unknown whether or not polymicrobial sepsis has any effects on the frequency of Ao in mucosal lymphoid tissue and what, if any, are the functional consequences of such a change. To assess this, Peyer's patch cells were harvested from C3H/HeN (endotoxin-sensitive) mice killed 12 or 24 hours after the onset of polymicrobial sepsis (cecal ligation and puncture [CLP]). The results indicate that the percentage of cells that were Ao+ as determined by flow cytometry were markedly increased at 24 hours, but not at 12 hours post-CLP. This correlates well with evidence of increased DNA fragmentation as well as histological changes observed both at a light and transmission electron microscopic level of the Peyer's patch Ao. Phenotypically, these changes were restricted to the B220+ (B-cell) population that also exhibited a marked increase of Fas/Apo-1 antigen expression. The functional consequence of this increased apoptosis appears to be associated with the endogenous stimulation (activation) of IgA production by mucosal B lymphocytes and increased nuclear c-Rel expression. Furthermore, we found that Peyer's patch lymphocytes isolated from C3H/HeJ-Faslgld (endotoxin-tolerant/Fas ligand- [FasL] deficient) as opposed to C3H/HeJ (endotoxin-tolerant) inbred mice did not exhibit increased Ao after CLP. These findings indicate that increased B-cell Ao appears to be a FasL-Fas antigen-mediated process, but is not due to endotoxin sensitivity. In conclusion, we speculate that the increased Fas-associated apoptosis detected in mucosal B cells (as opposed to splenic or bone marrow B cells) may be due to increased luminal antigens other than endotoxin, released due to gut barrier integrity breakdown during sepsis. | lld:pubmed |
| pubmed-article:9454767 | pubmed:grant | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:9454767 | pubmed:language | eng | lld:pubmed |
| pubmed-article:9454767 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:9454767 | pubmed:citationSubset | AIM | lld:pubmed |
| pubmed-article:9454767 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:9454767 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:9454767 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:9454767 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:9454767 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:9454767 | pubmed:month | Feb | lld:pubmed |
| pubmed-article:9454767 | pubmed:issn | 0006-4971 | lld:pubmed |
| pubmed-article:9454767 | pubmed:author | pubmed-author:ChaudryI HIH | lld:pubmed |
| pubmed-article:9454767 | pubmed:author | pubmed-author:AyalaAA | lld:pubmed |
| pubmed-article:9454767 | pubmed:author | pubmed-author:HighA SAS | lld:pubmed |
| pubmed-article:9454767 | pubmed:author | pubmed-author:AyalaC ACA | lld:pubmed |
| pubmed-article:9454767 | pubmed:author | pubmed-author:EvansT ATA | lld:pubmed |
| pubmed-article:9454767 | pubmed:author | pubmed-author:Xin XuYY | lld:pubmed |
| pubmed-article:9454767 | pubmed:author | pubmed-author:SonefeldD EDE | lld:pubmed |
| pubmed-article:9454767 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:9454767 | pubmed:day | 15 | lld:pubmed |
| pubmed-article:9454767 | pubmed:volume | 91 | lld:pubmed |
| pubmed-article:9454767 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:9454767 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:9454767 | pubmed:pagination | 1362-72 | lld:pubmed |
| pubmed-article:9454767 | pubmed:dateRevised | 2007-11-14 | lld:pubmed |
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| pubmed-article:9454767 | pubmed:meshHeading | pubmed-meshheading:9454767-... | lld:pubmed |
| pubmed-article:9454767 | pubmed:year | 1998 | lld:pubmed |
| pubmed-article:9454767 | pubmed:articleTitle | Increased mucosal B-lymphocyte apoptosis during polymicrobial sepsis is a Fas ligand but not an endotoxin-mediated process. | lld:pubmed |
| pubmed-article:9454767 | pubmed:affiliation | Center for Surgical Research and Department of Surgery, Brown University School of Medicine and Rhode Island Hospital, Providence, RI 02903, USA. | lld:pubmed |
| pubmed-article:9454767 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:9454767 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
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