Dendritic cells infiltrating human non-small cell lung cancer are blocked at immature stage
Journal of Immunology, ISSN: 0022-1767, Vol: 178, Issue: 5, Page: 2763-2769
2007
- 231Citations
- 148Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations231
- Citation Indexes230
- 230
- CrossRef211
- Patent Family Citations1
- Patent Families1
- Captures148
- Readers148
- 148
Article Description
The efficacy of immune response to control human cancer remains controversial. It is particularly debated whether and to what extent the capacity of tumor-infiltrating dendritic cells (DC) to drive immunization can be turned off by transformed cells, leading to tumor-specific tolerance rather than immunization. To address this issue, we have characterized the DC isolated from human non-small cell lung cancer (NSCLC). These biopsy specimens contained CD11c myeloid DC (mDC), but also CD11c plasmacytoid DC (pDC) and a third DC subset expressing intermediate level of CD11c. Compared with peripheral blood, CD11c tumor-infiltrating DC (TIDC) displayed a "semi-mature" phenotype, and TLR4 or TLR8 stimulation drove them to mature partially and to secrete limited amounts of cytokines. In contrast, most tumor-infiltrating pDC were immature but underwent partial maturation after TLR7 activation, whereas TLR9 ligation triggered low secretion of IFN-α. CD11c mDC represented ∼25% of total DC in tumoral and peritumoral tissues and expressed low levels of costimulatory molecules contrasting with high levels of the immunoinhibitory molecule B7-H1. Finally, the poor APC function of total TIDC even after TLR stimulation and the migratory response of both tumor-infiltrating mDC and pDC toward CCL21 and SDF-1 in vitro suggested their ability to compromise the tumor-specific immune response in draining lymph nodes in vivo. Further studies will be required to establish the specific role of the three TIDC subsets in tumor immunity and to draw conclusions for the design of therapeutic strategies. Copyright © 2007 by The American Association of Immunologists, Inc.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=33847359928&origin=inward; http://dx.doi.org/10.4049/jimmunol.178.5.2763; http://www.ncbi.nlm.nih.gov/pubmed/17312119; https://journals.aai.org/jimmunol/article/178/5/2763/74222/Dendritic-Cells-Infiltrating-Human-Non-Small-Cell; https://dx.doi.org/10.4049/jimmunol.178.5.2763
Oxford University Press (OUP)
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