Review Article
ING Genes Work as Tumor Suppressor Genes in the Carcinogenesis of Head and Neck Squamous Cell Carcinoma
Table 1
ING gene mutation and expression in HNSCC.
| ING | Origin | Methods | Mutation type/expression change | Position | Frequency | Reference |
| ING1 | Patient | MM | LOH | 13q34 | 20/44(45.5%) | [88] | Cell lines | Sequencing | No mutation | | 0/5 | | Patient | Sequencing | No mutation | | 0/20 | | Patient | MM | LOH | 13q33-34 | 23/34(68%) | [89] | Patient | PCR-SSCP | Missense | PHD (215) | 1/23(4.3%) | | Patient | PCR-SSCP | Missense | PHD (216) | 1/23(4.3%) | | Patient | PCR-SSCP | Missense | NLS (192) | 1/23(4.3%) | | Patient | RT-PCR | Downregulation | | 6/12(50%) | [90] | Patient | IHC | Downregulation | | 37/49(76%) | [85] | Cell lines | Sequencing | No mutation | | 0/3 | [86] | Patient | IHC | Downregulation | | 79/214(36.9%) | |
| ING2 | Patient | MM | LOH | 4q35.1 | 33/55(54.6%) | [82] |
| ING3 | Patient | MM | LOH | 7q31 | 22/46(48%) | [91] | Patient | RT-PCR | Downregulation | | 20/40(50%) | | Patient | PCR-SSCP | Missense | LZL(20) | 1/49(2%) | | Patient | RT-PCR | Downregulation | | 37/71(52.1%) | [92] | Patient | RT-PCR | Upregulation | | 15/71(21%) | |
| ING4 | Patient | MM | LOH | 12p13 | 33/50(66%) | [87] | Patient | Sequencing | No mutation | | 0/50 | | Patient | Q-PCR | Downregulation | | 38/50(76%) | | Patient | Q-PCR | Upregulation | | 7/50(14%) | | Cell lines | Sequencing | No mutation | | 0/3 | [93] | Patient | IHC | Downregulation | | 96/214(44.9%) | |
| ING5 | Patient | RT-PCR | Downregulation | | 19/31(61.3%) | [94] | Patient | Sequencing | Missense | LZL(33) | 1/31(3.2%) | | Patient | Sequencing | Missense | NCR(68) | 1/31(3.2%) | | Patient | Sequencing | Missense | NCR(74) | 1/31(3.2%) | | Cell lines | Sequencing | No mutation | | 0/3 | [80] | Patient | IHC | Downregulation | | 77/214(36%) | |
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Note: MM, Microsatellite marker; PCR-SSCP, Polymerase chain reaction-single strand conformation polymorphism; RT-PCR, Retrotranscription-polymerase chain reaction; Q-PCR, Quantitative-polymerase chain reaction; IHC, immunohistochemistry.
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