Journal of Forensic Medicine ›› 2025, Vol. 41 ›› Issue (2): 152-159.DOI: 10.12116/j.issn.1004-5619.2024.440411
• Topic on Forensic Identification of Poisoning • Previous Articles Next Articles
Hao-wei WANG(
), Xiao-xing ZHANG, Gen-meng YANG, Shang-wen WANG(
), Xiao-feng ZENG(
)
Received:2024-04-19
Online:2025-08-11
Published:2025-04-25
Contact:
Shang-wen WANG, Xiao-feng ZENG
CLC Number:
Hao-wei WANG, Xiao-xing ZHANG, Gen-meng YANG, Shang-wen WANG, Xiao-feng ZENG. The Role of Ferroptosis in Hepatocyte Injury Induced by α-Amanitin[J]. Journal of Forensic Medicine, 2025, 41(2): 152-159.
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URL: http://www.fyxzz.cn/EN/10.12116/j.issn.1004-5619.2024.440411
| 指标 | 对照组 | α-鹅膏毒肽组 | ||
|---|---|---|---|---|
| 0.25 mg/kg | 0.35 mg/kg | 0.45 mg/kg | ||
| Fe2+阳性细胞率 | 0.74±0.23 | 7.25±1.511) | 17.27±1.801)2) | 12.10±0.791)2)3) |
| Fe3+阳性细胞率 | 0.22±0.30 | 2.54±0.911) | 5.52±0.671) | 6.89±0.891)2) |
Tab. 1 Positive cell rates of iron deposition in mice liver tissues intoxicated with different doses of α‐amanitin
| 指标 | 对照组 | α-鹅膏毒肽组 | ||
|---|---|---|---|---|
| 0.25 mg/kg | 0.35 mg/kg | 0.45 mg/kg | ||
| Fe2+阳性细胞率 | 0.74±0.23 | 7.25±1.511) | 17.27±1.801)2) | 12.10±0.791)2)3) |
| Fe3+阳性细胞率 | 0.22±0.30 | 2.54±0.911) | 5.52±0.671) | 6.89±0.891)2) |
| 指标 | 对照组 | α-鹅膏毒肽组 | ||
|---|---|---|---|---|
| 0.25 mg/kg | 0.35 mg/kg | 0.45 mg/kg | ||
| GSH/(μg·mg-1) | 30.62±1.15 | 24.59±0.911) | 13.73±1.291)2) | 14.92±1.571)2) |
| MDA/(nmol·mg-1) | 0.78±0.08 | 0.95±0.05 | 1.49±0.061)2) | 1.63±0.061)2) |
| CAT/(U·mg-1) | 2.76±0.51 | 1.84±0.061) | 0.60±0.201)2) | 0.50±0.061)2) |
| SOD/(U·mg-1) | 7.41±0.55 | 5.58±0.351) | 5.64±0.521) | 3.83±0.361)2) |
Tab. 2 Changes of oxidative stress‐related indexes in mice liver tissues intoxicated with different doses of α‐amanitin
| 指标 | 对照组 | α-鹅膏毒肽组 | ||
|---|---|---|---|---|
| 0.25 mg/kg | 0.35 mg/kg | 0.45 mg/kg | ||
| GSH/(μg·mg-1) | 30.62±1.15 | 24.59±0.911) | 13.73±1.291)2) | 14.92±1.571)2) |
| MDA/(nmol·mg-1) | 0.78±0.08 | 0.95±0.05 | 1.49±0.061)2) | 1.63±0.061)2) |
| CAT/(U·mg-1) | 2.76±0.51 | 1.84±0.061) | 0.60±0.201)2) | 0.50±0.061)2) |
| SOD/(U·mg-1) | 7.41±0.55 | 5.58±0.351) | 5.64±0.521) | 3.83±0.361)2) |
| 目的蛋白 | 对照组 | α-鹅膏毒肽组 | ||
|---|---|---|---|---|
| 0.25 mg/kg | 0.35 mg/kg | 0.45 mg/kg | ||
| p53 | 0.29±0.07 | 0.41±0.09 | 0.51±0.061) | 0.69±0.141)2) |
| SLC7A11 | 1.21±0.12 | 0.97±0.15 | 0.77±0.161) | 0.63±0.181)2) |
| GPX4 | 1.13±0.09 | 0.97±0.36 | 0.58±0.061)2) | 0.45±0.231)2) |
Tab. 3 Relative expression levels of ferroptosis‐related proteins in mice liver tissues intoxicatedwith different doses of α‐amanitin
| 目的蛋白 | 对照组 | α-鹅膏毒肽组 | ||
|---|---|---|---|---|
| 0.25 mg/kg | 0.35 mg/kg | 0.45 mg/kg | ||
| p53 | 0.29±0.07 | 0.41±0.09 | 0.51±0.061) | 0.69±0.141)2) |
| SLC7A11 | 1.21±0.12 | 0.97±0.15 | 0.77±0.161) | 0.63±0.181)2) |
| GPX4 | 1.13±0.09 | 0.97±0.36 | 0.58±0.061)2) | 0.45±0.231)2) |
| 指标 | 暴露0 h | 暴露6 h | 暴露12 h | 暴露24 h |
|---|---|---|---|---|
| GSH/(μg·mg-1) | 32.28±1.80 | 29.59±0.67 | 20.06±0.571) | 12.58±1.671)2) |
| MDA/(nmol·mg-1) | 0.60±0.04 | 0.79±0.08 | 0.99±0.07 | 2.66±0.371)2) |
| CAT/(U·mg-1) | 9.16±0.91 | 8.09±0.63 | 7.59±0.56 | 4.38±0.691)2) |
| SOD/(U·mg-1) | 14.31±0.43 | 15.24±0.80 | 11.86±0.481) | 9.45±0.491)2) |
Tab. 4 Changes of oxidative stress-related indexes in L-02 cells exposed to1 μmol/L α-amanitin for different time periods
| 指标 | 暴露0 h | 暴露6 h | 暴露12 h | 暴露24 h |
|---|---|---|---|---|
| GSH/(μg·mg-1) | 32.28±1.80 | 29.59±0.67 | 20.06±0.571) | 12.58±1.671)2) |
| MDA/(nmol·mg-1) | 0.60±0.04 | 0.79±0.08 | 0.99±0.07 | 2.66±0.371)2) |
| CAT/(U·mg-1) | 9.16±0.91 | 8.09±0.63 | 7.59±0.56 | 4.38±0.691)2) |
| SOD/(U·mg-1) | 14.31±0.43 | 15.24±0.80 | 11.86±0.481) | 9.45±0.491)2) |
| 目的蛋白 | 暴露0 h | 暴露6 h | 暴露12 h | 暴露24 h |
|---|---|---|---|---|
| p53 | 0.60±0.13 | 0.72±0.17 | 0.95±0.071) | 1.12±0.091)2) |
| GPX4 | 1.18±0.13 | 1.05±0.23 | 0.28±0.051)2) | 0.69±0.32 |
| SLC7A11 | 1.90±0.18 | 1.54±0.151) | 0.96±0.071) | 0.83±0.071)2) |
Tab. 5 Relative expression levels of ferroptosis-related proteins in L-02 cells exposed to1 μmol/L α-amanitin for different time periods
| 目的蛋白 | 暴露0 h | 暴露6 h | 暴露12 h | 暴露24 h |
|---|---|---|---|---|
| p53 | 0.60±0.13 | 0.72±0.17 | 0.95±0.071) | 1.12±0.091)2) |
| GPX4 | 1.18±0.13 | 1.05±0.23 | 0.28±0.051)2) | 0.69±0.32 |
| SLC7A11 | 1.90±0.18 | 1.54±0.151) | 0.96±0.071) | 0.83±0.071)2) |
| 目的蛋白 | 0 μmol/L | 0.1 μmol/L | 0.5 μmol/L | 1 μmol/L | 5 μmol/L | 10 μmol/L |
|---|---|---|---|---|---|---|
| p53 | 0.53±0.03 | 0.74±0.09 | 0.89±0.12 | 1.08±0.231) | 1.13±0.191)2) | 1.20±0.121)2) |
| GPX4 | 1.21±0.18 | 1.16±0.31 | 0.84±0.14 | 0.68±0.121)2) | 0.56±0.091)2) | 0.58±0.121)2) |
| SLC7A11 | 1.17±0.03 | 1.12±0.04 | 1.04±0.05 | 0.79±0.191)2) | 0.76±0.091)2) | 0.66±0.161)2) |
Tab. 6 Relative expression levels of ferroptosis-related proteins in L-02 cells exposed todifferent concentrations of α-amanitin for 24 h
| 目的蛋白 | 0 μmol/L | 0.1 μmol/L | 0.5 μmol/L | 1 μmol/L | 5 μmol/L | 10 μmol/L |
|---|---|---|---|---|---|---|
| p53 | 0.53±0.03 | 0.74±0.09 | 0.89±0.12 | 1.08±0.231) | 1.13±0.191)2) | 1.20±0.121)2) |
| GPX4 | 1.21±0.18 | 1.16±0.31 | 0.84±0.14 | 0.68±0.121)2) | 0.56±0.091)2) | 0.58±0.121)2) |
| SLC7A11 | 1.17±0.03 | 1.12±0.04 | 1.04±0.05 | 0.79±0.191)2) | 0.76±0.091)2) | 0.66±0.161)2) |
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