10.1158/1078-0432.CCR-16-1317 http://scihub22266oqcxt.onion/10.1158/1078-0432.CCR-16-1317 C5381521!5381521
!27797972
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Clin+Cancer+Res
2017 ; 23
(7
): 1771-1784
Nephropedia Template TP gab.com Text Twit Text FOAVip Twit Text # English Wikipedia
Inhibition of STAT3 with the Generation 2 5 Antisense Oligonucleotide, AZD9150,
Decreases Neuroblastoma Tumorigenicity and Increases Chemosensitivity
#MMPMID27797972
Odate S
; Veschi V
; Yan S
; Lam N
; Woessner R
; Thiele CJ
Clin Cancer Res
2017[Apr]; 23
(7
): 1771-1784
PMID27797972
show ga
Purpose: Neuroblastoma is a pediatric tumor of peripheral sympathoadrenal
neuroblasts. The long-term event-free survival of children with high-risk
neuroblastoma is still poor despite the improvements with current multimodality
treatment protocols. Activated JAK/STAT3 pathway plays an important role in many
human cancers, suggesting that targeting STAT3 is a promising strategy for
treating high-risk neuroblastoma.Experimental Design: To evaluate the biologic
consequences of specific targeting of STAT3 in neuroblastoma, we assessed the
effect of tetracycline (Tet)-inducible STAT3 shRNA and the generation 2.5
antisense oligonucleotide AZD9150 which targets STAT3 in three representative
neuroblastoma cell line models (AS, NGP, and IMR32).Results: Our data indicated
that Tet-inducible STAT3 shRNA and AZD9150 inhibited endogenous STAT3 and STAT3
target genes. Tet-inducible STAT3 shRNA and AZD9150 decreased cell growth and
tumorigenicity. In vivo, STAT3 inhibition by Tet-inducible STAT3 shRNA or AZD9150
alone had little effect on growth of established tumors. However, when treated
xenograft tumor cells were reimplanted into mice, there was a significant
decrease in secondary tumors in the mice receiving AZD9150-treated tumor cells
compared with the mice receiving ntASO-treated tumor cells. This indicates that
inhibition of STAT3 decreases the tumor-initiating potential of neuroblastoma
cells. Furthermore, inhibition of STAT3 significantly increased neuroblastoma
cell sensitivity to cisplatin and decreased tumor growth and increased the
survival of tumor-bearing mice in vivoConclusions: Our study supports the
development of strategies targeting STAT3 inhibition in combination with
conventional chemotherapy for patients with high-risk neuroblastoma. Clin Cancer
Res; 23(7); 1771-84. ©2016 AACR.
Please enable JavaScript to view the comments powered by Disqus. |Animals
[MESH] |Antineoplastic Combined Chemotherapy Protocols
[MESH] |Apoptosis/drug effects
[MESH] |Carcinogenesis/drug effects
[MESH] |Cell Line, Tumor
[MESH] |Cell Proliferation/drug effects
[MESH] |Cisplatin/administration & dosage
[MESH] |Gene Expression Regulation, Neoplastic/drug effects
[MESH] |Humans
[MESH] |Mice
[MESH] |Neuroblastoma/*drug therapy/genetics/pathology
[MESH] |Oligonucleotides, Antisense/*administration & dosage
[MESH] |Oligonucleotides/*administration & dosage
[MESH] |STAT3 Transcription Factor/*genetics
[MESH] DeepDyve Pubget Overpricing