Wei sheng yan jiu = Journal of hygiene research · 2022
[Regulation of PARP-1 deficiency on epidermal growth factor receptor during lung injury of mice induced by benzo [a] pyrene inhalation exposure].
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Fu Yingbin, Gu Pan, Zhang Zena, Yang Xueqin, Wu Desheng, Liu Jianjun, Huang Haiyan
Аннотация
OBJECTIVE: To investigate the regulation of PARP-1 deficiency on epidermal growth factor receptor(EGFR) during lung injury of mice induced by benzo[a]pyrene(B[a]P) inhalation exposure.
METHODS: PARP-1 knockout mice(PARP-1~(-/-)) and WT mice were selected as the object, and which were randomly assigned into either an intervention or a control group(n=40, half male and half female). The intervention group were individually treated with 10.0 μg/m~(3 )B[a]P for 180 days by dynamic inhalation exposure(6 h per day and 5 days per week), and the control group was given the solvent dimethyl sulfoxide(DMSO) during the same period. The expression of EGFR in lung tissues of animals were examined by RT-PCR, Western blot and immunofluorescence.
RESULTS: In WT mice, the intervention manifested significant increase expression of EGFR in lung tissue, but no changes were found in the control. In PARP-1~(-/-) mice, the intervention manifested significant inhibition expression of EGFR, but the control group exhibited no changes.
CONCLUSION: PARP-1 deficiency suppresses the abnormal activation of EGFR during lung injury of mice induced by B[a]P inhalation exposure.
METHODS: PARP-1 knockout mice(PARP-1~(-/-)) and WT mice were selected as the object, and which were randomly assigned into either an intervention or a control group(n=40, half male and half female). The intervention group were individually treated with 10.0 μg/m~(3 )B[a]P for 180 days by dynamic inhalation exposure(6 h per day and 5 days per week), and the control group was given the solvent dimethyl sulfoxide(DMSO) during the same period. The expression of EGFR in lung tissues of animals were examined by RT-PCR, Western blot and immunofluorescence.
RESULTS: In WT mice, the intervention manifested significant increase expression of EGFR in lung tissue, but no changes were found in the control. In PARP-1~(-/-) mice, the intervention manifested significant inhibition expression of EGFR, but the control group exhibited no changes.
CONCLUSION: PARP-1 deficiency suppresses the abnormal activation of EGFR during lung injury of mice induced by B[a]P inhalation exposure.