RANBP9 suppresses tumor proliferation in colorectal cancer

RAN binding protein 9 (RANBP9) is widely expressed in mammalian tissues, including osteosarcoma, lung, gastric and breast cancer tissues. However, currently, not much is known about the role of RANBP9 in colorectal cancer (CRC). In the present study, RANBP9 expression in CRC tissues and cell lines w...

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Veröffentlicht in:Oncology letters 2019-05, Vol.17 (5), p.4409-4416
Hauptverfasser: Qin, Chunzhi, Zhang, Qin, Wu, Guangbin
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Wu, Guangbin
description RAN binding protein 9 (RANBP9) is widely expressed in mammalian tissues, including osteosarcoma, lung, gastric and breast cancer tissues. However, currently, not much is known about the role of RANBP9 in colorectal cancer (CRC). In the present study, RANBP9 expression in CRC tissues and cell lines was measured by immunohistochemistry and western blotting, respectively. Subsequently, -short hairpin RNA (shRNA) and plasmids were constructed and transfected into HCT116 and HT29 cells. The effects of RANBP9 knockdown were assessed by Cell Counting kit-8 and colony formation assays, and its effects on tumorigenicity in a nude mouse animal model were investigated. The effect of -shRNA on cell cycle progression was analyzed by flow cytometry, while cell cycle-associated protein expression levels were examined by western blotting. Compared with in paired normal mucosa, RANBP9 was overexpressed in CRC tissues. Inhibition of RANBP9 in HCT116 and HT29 cells significantly promoted cell growth, colony formation and S phase transition, and increased tumorigenesis . Accordingly, RANBP9 overexpression inhibited cell growth and colony formation. Knockdown of was associated with upregulated cyclin A2 in the two cell lines. In conclusion, RANBP9 served an inhibitory role in CRC and . Therefore, RANBP9 may be considered a potential target for treatment of CRC.
doi_str_mv 10.3892/ol.2019.10134
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However, currently, not much is known about the role of RANBP9 in colorectal cancer (CRC). In the present study, RANBP9 expression in CRC tissues and cell lines was measured by immunohistochemistry and western blotting, respectively. Subsequently, -short hairpin RNA (shRNA) and plasmids were constructed and transfected into HCT116 and HT29 cells. The effects of RANBP9 knockdown were assessed by Cell Counting kit-8 and colony formation assays, and its effects on tumorigenicity in a nude mouse animal model were investigated. The effect of -shRNA on cell cycle progression was analyzed by flow cytometry, while cell cycle-associated protein expression levels were examined by western blotting. Compared with in paired normal mucosa, RANBP9 was overexpressed in CRC tissues. Inhibition of RANBP9 in HCT116 and HT29 cells significantly promoted cell growth, colony formation and S phase transition, and increased tumorigenesis . Accordingly, RANBP9 overexpression inhibited cell growth and colony formation. Knockdown of was associated with upregulated cyclin A2 in the two cell lines. In conclusion, RANBP9 served an inhibitory role in CRC and . 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subjects Alzheimer's disease
Breast cancer
Cancer research
Cell cycle
Cell division
Cell growth
Colorectal cancer
EDTA
Growth factors
Immunohistochemistry
Kinases
Medical prognosis
Oncology
Osteosarcoma
Phase transitions
Plasmids
Protein binding
Proteins
RNA
Signal transduction
Tumors
title RANBP9 suppresses tumor proliferation in colorectal cancer
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