Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
9
pubmed:dateCreated
2011-4-20
pubmed:abstractText
Cancers are often accompanied by inflammation, which can promote tumor growth, invasion, and metastases. We show that the tumor microenvironment induces the development of a Gr-1(+) conventional dendritic cell (cDC) subpopulation that is functionally defective. Gr-1(+)cDCs differentiated from recruited immediate precursors of cDCs, a process supported by the inflammatory cytokine milieu in tumors. Inhibition of Gr-1(+)cDC differentiation enhanced intratumor expansion of cytotoxic CD8(+) T cells (CTLs), resulting in suppression of tumor growth. Diphtheria toxin treatment of CD11c-diphtheria toxin receptor chimeras revealed the importance of intratumor cDCs in stimulating CTL proliferation in situ. Our study demonstrates a key role of intratumor cDCs in determining antitumor CTL responses and suggests that they may be an appropriate target for tumor immunotherapy.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
1550-6606
pubmed:author
pubmed:issnType
Electronic
pubmed:day
1
pubmed:volume
186
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
5058-67
pubmed:meshHeading
pubmed:year
2011
pubmed:articleTitle
Tumors suppress in situ proliferation of cytotoxic T cells by promoting differentiation of Gr-1(+) conventional dendritic cells through IL-6.
pubmed:affiliation
Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario M5G 2N2, Canada.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't