2010
DOI: 10.1158/1078-0432.ccr-10-0705
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GDF-15 Contributes to Proliferation and Immune Escape of Malignant Gliomas

Abstract: Purpose: Growth and differentiation factor (GDF)-15 is a member of the transforming growth factor (TGF)-β family. GDF-15 is necessary for the maintenance of pregnancy but has also been linked to other physiologic and pathologic conditions.Experimental Design: The expression of GDF-15 in glioma cell lines was assessed by quantitative reverse transcriptase-PCR and immunoblot. GDF-15 levels in situ and in the peripheral blood of glioma patients were examined by immunohistochemistry and enzyme-linked immunosorbent… Show more

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Cited by 146 publications
(135 citation statements)
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“…In fact, proliferation of T cells was inhibited by coculture with autologous or allogeneic CICs, but not with FBS tumor cells. CIC-associated factors, such as TGF-b, IL-10, IL-13, galectin, and PDGE2, which can play a negative regulatory role in the induction of tumor reactive T cells, have been described (12)(13)(14) and, notably, shown to be shared with normal stem cells as well (30). The complexity of this issue is demonstrated by the evidence that none of the molecules described above have been found to be specifically expressed or upregulated in CICs that we have isolated in vitro (data not shown), in line with the results that have been previously published by our group for GBM (10).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…In fact, proliferation of T cells was inhibited by coculture with autologous or allogeneic CICs, but not with FBS tumor cells. CIC-associated factors, such as TGF-b, IL-10, IL-13, galectin, and PDGE2, which can play a negative regulatory role in the induction of tumor reactive T cells, have been described (12)(13)(14) and, notably, shown to be shared with normal stem cells as well (30). The complexity of this issue is demonstrated by the evidence that none of the molecules described above have been found to be specifically expressed or upregulated in CICs that we have isolated in vitro (data not shown), in line with the results that have been previously published by our group for GBM (10).…”
Section: Discussionmentioning
confidence: 99%
“…Cancer-testis Ags have been found to be expressed by mesenchymal stem cells and to regulate the epithelial-to-mesenchymal transition, a process involved in development of metastases; thus these Ags may possibly have a role in the stemness properties of cancer cells and could represent target molecules for immunotherapy (11). Nevertheless, antitumor immunity could be attenuated by tumor-related immunosuppressive mechanisms that have been described in association with CICs isolated from melanoma or GBM (12)(13)(14). These findings suggest that a detailed immunological characterization of CICs isolated from different human tumors is a relevant issue to design new CICtargeted immunotherapeutic interventions.…”
mentioning
confidence: 99%
“…Among the 12 genes related to tumor development (upregulated, seven genes including IL-6, IL-8, and CXCL1; downregulated, five genes; Table 1), we decided to focus on the GDF15 gene transcript (GDB accession no. NM_004864) that showed a log2 ratio of ∼ 4.0 in each cell line because TAM-derived GDF15, which is known to be a divergent member of human TGF-β superfamily associated with the growth and invasiveness of various cancers, 19,20 had not yet been reported in the microenvironment of ESCC.…”
Section: Upregulation Of Gdf15 Expression In Pbmo-derived Macrophagesmentioning
confidence: 99%
“…It has been confirmed that GDF15 activates intracellular signaling cascades such as the PI3K/Akt and MEK/Erk pathways with the induction of the proliferation of cancer cells. 19,21 We thus wondered whether GDF15 would trigger Akt and Erk1/2 phosphorylation on ESCC cell lines in serumfree conditions. We found that Akt and Erk1/2 phosphorylation in the ESCC cell lines was enhanced with 100 ng/ml of rhGDF15 after 10 min (Figure 4b).…”
Section: Gdf15 Increased the Growth Of The Escc Cell Lines By Triggermentioning
confidence: 99%
“…Indeed, GDF is found overexpressed in high-grade glioma cells where it yields an immune-escape function and correlates with poor patient survival. Likewise, GBM cells deprived of GDF become more vulnerable to natural killer cells (Roth et al, 2010). However, other sources suggest that GDF may be secreted by the tumor-infiltrating macrophages instead of the GBM tumor cells (Shnaper et al, 2009).…”
Section: Growth and Differentiation Factor (Gdf)mentioning
confidence: 99%