HAMP Downregulation Contributes to Aggressive Hepatocellular Carcinoma via Mechanism Mediated by Cyclin4-Dependent Kinase-1/STAT3 Pathway
Abstract
:1. Introduction
2. Materials and Methods
2.1. Patients and Samples
2.2. Cell Culture
2.3. Western Blotting
2.4. HAMP shRNA Transfection
2.5. Quantitative RT-PCR
2.6. Tumor Colony Forming Assay
2.7. 5-Ethynyl-20-deoxyuridine (EdU) Incorporation Assay
2.8. Wound-Healing Assay
2.9. Cell Cycle Analysis
2.10. Animal Treatment
2.11. Statistical Analysis
3. Results
3.1. HAMP Expression Is Significantly Suppressed in Hepatocellular Carcinoma
3.2. Lower HAMP Expression Is Associated with Higher Cancer Metastasis Rate and Recurrence
3.3. Low Expression of HAMP Results in Increased Proliferation and Migration in SMMC-7721 and HepG-2 Cells
3.4. Low HAMP Expression Promotes Hepatocellular Carcinoma Proliferation In Vivo
3.5. Low HAMP Expression Is Associated with Cell Cycle Checkpoint in Gene Set Enrichment Analysis (GSEA) of the TCGA
3.6. HAMP Suppression Results in High Cellular Iron Concentration in Cells and Activated CDK1/STAT3 Pathway
4. Discussion
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
Abbreviations
CDK1 | Cyclin-dependent kinases 1 |
FPN | Ferroportin |
GSEA | Gene Set Enrichment Analysis |
HAMP | Hepcidin |
HCC | Hepatocellular carcinoma |
SLC40A1 | Solute carrier family 40 member 1 |
STAT3 | Signal transducer and activator of transcription 3 |
TCGA | The Cancer Genome Atlas |
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Pathology Character | n | HAMP Expression | p Value | |
---|---|---|---|---|
Low | High | |||
Adjacent inflammation | 0.3829 | |||
None | 117 | 63 | 54 | |
Mild | 100 | 46 | 54 | |
Severe | 17 | 6 | 11 | |
M stage | 0.0121 * | |||
M0 | 267 | 135 | 132 | |
M1 | 4 | 0 | 4 | |
T stage | 0.0361 * | |||
T1 | 181 | 82 | 99 | |
T2 | 94 | 48 | 46 | |
T3 | 80 | 47 | 33 | |
T4 | 13 | 7 | 6 | |
Age (year) | 0.1581 | |||
≤60 | 177 | 81 | 96 | |
>60 | 195 | 104 | 91 | |
Postoperative radiotherapy | 0.1339 | |||
No | 241 | 121 | 120 | |
Yes | 4 | 2 | 2 | |
Family history | 0.8110 | |||
No | 208 | 100 | 108 | |
Yes | 112 | 60 | 52 | |
History risk factor | 0.1123 | |||
Alcohol consumption | 68 | 37 | 31 | |
Hemochromatosis | 6 | 4 | 2 | |
Hepatitis B | 76 | 37 | 39 | |
Hepatitis C | 32 | 13 | 19 | |
Liver fibrosis Ishak score | 0.6397 | |||
0—No Fibrosis | 74 | 40 | 34 | |
1,2—Portal Fibrosis | 31 | 16 | 15 | |
3,4—Fibrous Speta | 28 | 14 | 14 | |
5—Nodular Formation | 9 | 3 | 6 | |
6—Established Cirrhosis | 70 | 35 | 35 | |
Lymph node stage | 0.4924 | |||
N0 | 253 | 125 | 128 | |
N1 | 4 | 3 | 1 | |
Neoplasm stage | 0.9142 | |||
Stage I | 171 | 78 | 93 | |
Stage II | 86 | 43 | 43 | |
Stage III | 85 | 52 | 33 | |
Stage IV | 5 | 1 | 4 | |
Neoplasm histologic grade | 0.0129 * | |||
G1 | 55 | 19 | 36 | |
G2 | 178 | 71 | 107 | |
G3 | 122 | 40 | 82 | |
G4 | 12 | 3 | 9 | |
Sex | 0.4953 | |||
Female | 121 | 91 | 30 | |
Male | 250 | 192 | 58 |
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Shen, Y.; Li, X.; Su, Y.; Badshah, S.A.; Zhang, B.; Xue, Y.; Shang, P. HAMP Downregulation Contributes to Aggressive Hepatocellular Carcinoma via Mechanism Mediated by Cyclin4-Dependent Kinase-1/STAT3 Pathway. Diagnostics 2019, 9, 48. https://doi.org/10.3390/diagnostics9020048
Shen Y, Li X, Su Y, Badshah SA, Zhang B, Xue Y, Shang P. HAMP Downregulation Contributes to Aggressive Hepatocellular Carcinoma via Mechanism Mediated by Cyclin4-Dependent Kinase-1/STAT3 Pathway. Diagnostics. 2019; 9(2):48. https://doi.org/10.3390/diagnostics9020048
Chicago/Turabian StyleShen, Ying, Xin Li, Yanwei Su, Shaikh Atik Badshah, Bin Zhang, Yanru Xue, and Peng Shang. 2019. "HAMP Downregulation Contributes to Aggressive Hepatocellular Carcinoma via Mechanism Mediated by Cyclin4-Dependent Kinase-1/STAT3 Pathway" Diagnostics 9, no. 2: 48. https://doi.org/10.3390/diagnostics9020048