Effective antitumor immunity against murine gliomas using dendritic cells transduced with hTERTC27 recombinant adenovirus.

Abstract:

:hTERTC27, a 27-kDa hTERT C-terminal polypeptide has been demonstrated to cause hTERT-positive HeLa cell apoptosis and inhibits the growth of mouse melanoma. hTERTC27 has been associated with telomere dysfunction, regulation of gene-regulated apoptosis, the cell cycle and activation of natural killer (NK) cells, but its mechanism of action is not fully understood. Here, we report that dendritic cells (DCs) transduced with hTERTC27 can increase T-cell proliferation, and augment the concentration of interleukin-2 (IL-2) and interferon-γ (IFN-γ) in the supernatants of T cells. It can also induce antigen-specific cytotoxic T lymphocytes (CTL) against glioma cells in vitro. Moreover, hTERTC27 gene-transduced DCs exhibit a very potent cytotoxicity to glioma cells in vivo. It could prolong the survival time and inhibit the growth of glioma-bearing mice. These data suggest that hTERTC27 gene-transduced DCs can efficiently enhance immunity against gliomas in vitro and in vivo.

journal_name

Oncol Rep

journal_title

Oncology reports

authors

Gong HX,He L,Li XP,Wang YD,Li Y,Huang JJ,Wang Z,Xie D,Kung HF,Peng Y

doi

10.3892/or.2011.1619

subject

Has Abstract

pub_date

2012-04-01 00:00:00

pages

1163-9

issue

4

eissn

1021-335X

issn

1791-2431

journal_volume

27

pub_type

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