Abstract
To study the inhibitory effect of nuclear transcription factor-kappa B(NF-κB) antisense oligodeoxynucleotide(ASODN) on the growth and tumorgenesis of human gastric cancer. We synthesized and transfected the ASODN of NF-κB/P65 to gastric cancer cell line. The effect of ASODN of NF-κB/P65 on the proliferation of gastric cancer cells was measured by MTT method. The subcutaneous xenograft model of human gastric cancer was established in nude mice, and the tumor growth curve was observed. The cell proliferation was significantly inhibited in P65 ASODN-transfected group in vitro (P < 0.05). In vivo, tumor formation test showed that the tumor volume in nude mice in ASODN group was obviously smaller than in other groups (P < 0.05); the apoptosis index (AI) was significantly higher (P < 0.001). Simultaneously, MVD in ASODN group was markedly lower than in other groups (P < 0.01). NF-κB could be used as a new biological therapeutic target of gastric cancer.
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Abbreviations
- NF-κB:
-
Nuclear transcription factor-kappa B
- ASODN:
-
Antisense oligodeoxynucleotide
- MSODN:
-
Missense oligodeoxynucleotide
- MTT:
-
3-(4,5)-dimethylthiahiazo(-z-y1)-3,5-di- phenytetrazoliumromide
- DMSO:
-
Dimethyl sulfoxide
- TUNEL:
-
TdT-mediated dUTP nick end labeling
- MVD:
-
Microvessel density
- AI:
-
Apoptosis index
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Acknowledgments
This study was supported by Grants from National Nature Science Foundation of China (No. 81071664), Shanghai National Natural Science Fund (No. 10ZR1424200) and Shanghai Municipal Health Bureau Fund (2009157).
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Qi Li and Yong Gao contributed equally to this work and should be considered first authors.
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10238_2011_174_MOESM1_ESM.jpg
Supplementary material 1. S1. Histograms show AI in different groups. There was statistically significant difference between ASODN group and the other groups (P < 0.001). (JPEG 176 kb)
10238_2011_174_MOESM2_ESM.jpg
Supplementary material 2. S2. Histograms show MVD in different groups. There was statistically significant difference between ASODN group and the other groups (P < 0.01). (JPEG 170 kb)
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Li, Q., Gao, Y., Xu, Zg. et al. Effect of antisense oligodeoxynucleotide targeted against NF-κB/P65 on cell proliferation and tumorigenesis of gastric cancer. Clin Exp Med 13, 11–19 (2013). https://doi.org/10.1007/s10238-011-0174-1
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DOI: https://doi.org/10.1007/s10238-011-0174-1