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NK cells are migrated and indispensable in the anti-tumor activity induced by CCL27 gene therapy.

Abstract
Natural killer (NK) cells have been demonstrated could play an important role in the treatment of a number of tumors in mice. In the present study, chemokine CCL27, which be considered only selectively chemoattracts cutaneous lymphocyte antigen positive memory T cells and Langerhans cells, firstly demonstrated that it could induce the accumulation of NK cells into tumor by the intratumoral injection of CCL27-encoding fiber-mutant vector, AdRGD-CCL27. Experiments using spleen cell fractionation and RT-PCR showed CCL27 receptor, mCCR10, was strongly expressed in NK cells, suggesting the accumulation of NK cells in tumor was attributed to chemoattractant activity of CCL27 itself. Moreover, the combination of AdRGD-CCL27 and AdRGD-IL-12 induced the synergistic anti-tumor activity via NK-dependent manner and induced more NK cells infiltration into tumor nodule than that induced by AdRGD-CCL27 alone or AdRGD-IL-12 alone.
AuthorsJian-Qing Gao, Yasuhiro Tsuda, Min Han, Dong-Hang Xu, Naoko Kanagawa, Yutaka Hatanaka, Yoichi Tani, Hiroyuki Mizuguchi, Yasuo Tsutsumi, Tadanori Mayumi, Naoki Okada, Shinsaku Nakagawa
JournalCancer immunology, immunotherapy : CII (Cancer Immunol Immunother) Vol. 58 Issue 2 Pg. 291-9 (Feb 2009) ISSN: 1432-0851 [Electronic] Germany
PMID18629495 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Antineoplastic Agents
  • CCL27 protein, human
  • Chemokine CCL27
  • Oligopeptides
  • Interleukin-12
  • arginyl-glycyl-aspartic acid
Topics
  • Adenoviridae (genetics)
  • Animals
  • Antineoplastic Agents (pharmacology)
  • Cell Line, Tumor
  • Cell Movement
  • Chemokine CCL27 (genetics, pharmacology)
  • Female
  • Genetic Therapy
  • Genetic Vectors (genetics, pharmacology)
  • Humans
  • Injections, Intralesional
  • Interleukin-12 (pharmacology)
  • Killer Cells, Natural (immunology, pathology)
  • Mice
  • Mice, Inbred BALB C
  • Oligopeptides (pharmacology)
  • Ovarian Neoplasms (therapy)

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