Linked Life Data

12727833

Source:http://linkedlifedata.com/resource/pubmed/id/12727833

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
9
pubmed:dateCreated
2003-5-2
pubmed:abstractText
Dendritic cell (DC) maturation and function are influenced by the surrounding cytokine milieu. We demonstrate tumor-associated suppression of DCs in stimulating allogeneic and tumor-specific CTL and type 1 (IFN-gamma-producing) responses in both CD4- and CD8-positive T cells. DCs from MB49-bearing female mice fail to stimulate proliferative and IFN-gamma-producing responses in allogeneic mixed lymphocyte cultures. MB49 also inhibited DC function in stimulating type 1 responses against our tumor-specific antigen, the male antigen, HY. DCs from MB49-bearing male mice were unable to restimulate effective HY-specific CTLs or IFN-gamma. Tumor-induced interleukin (IL) 10 was found to be specifically responsible for DC dysfunction in response to antigenic driven maturation. This was demonstrated by restoration of DC function in splenic DCs from MB49-bearing female IL-10 knockout mice (HY disparity), whereas not in MB49-bearing male IL-10 knockout mice (no HY disparity). Finally, any tumor-induced systemic inhibitory effect on bone marrow precursors could be overcome by generation of bone marrow-derived DCs ex vivo. These bone marrow-derived DCs derived from MB49-bearing B6 mice were capable of inducing control levels of proliferation in allogeneic mixed lymphocyte reactions and a type 1 (IFN-gamma) cytokine profile. The BM-DCs were also capable of restimulating HY-specific CTL and IFN-gamma production. These studies reveal the tumor-associated in vivo effects of IL-10 inhibition on DC function in eliciting a type 1 immune response in both allogeneic and tumor-specific responses.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0008-5472
pubmed:author
pubmed:issnType
Print
pubmed:day
1
pubmed:volume
63
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2150-7
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
2003
pubmed:articleTitle
Tumor-induced interleukin 10 suppresses the ability of splenic dendritic cells to stimulate CD4 and CD8 T-cell responses.
pubmed:affiliation
Department of Surgery, University of Medicine and Dentistry of New Jersey-Robert Wood Johnson Medical School and The Cancer Institute of New Jersey, New Brunswick 08901, USA.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't