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四川省医学科学院·四川省人民医院/电子科技大学附属医院呼吸与危重症医学科,成都 610000
蒋才玉,Email:jiangcaiyw2008@163.com,研究方向:慢阻肺、睡眠呼吸疾病、肺间质病。
杨 雁,Email: ueruil@126.com。
收稿:2025-01-13,
修回:2025-04-17,
录用:2025-04-18,
纸质出版:2026-10-28
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蒋才玉,杨雁.FOXA1通过激活NF-κB信号通路促进巨噬细胞M1极化加剧慢性阻塞性肺病[J].重庆医科大学学报,2026,51(10):1479-1486.
Jiang Caiyu,Yang Yan.Forkhead box protein A1 promotes macrophage M1 polarization and exacerbates chronic obstructive pulmonary disease by activating the nuclear factor-kappa B signaling pathway[J].Journal of Chongqing Medical University,2026,51(10):1479-1486.
蒋才玉,杨雁.FOXA1通过激活NF-κB信号通路促进巨噬细胞M1极化加剧慢性阻塞性肺病[J].重庆医科大学学报,2026,51(10):1479-1486. DOI: 10.13406/j.cnki.cyxb.003877.
Jiang Caiyu,Yang Yan.Forkhead box protein A1 promotes macrophage M1 polarization and exacerbates chronic obstructive pulmonary disease by activating the nuclear factor-kappa B signaling pathway[J].Journal of Chongqing Medical University,2026,51(10):1479-1486. DOI: 10.13406/j.cnki.cyxb.003877.
目的
2
探索叉头框蛋白A1(forkhead box protein A1,FOXA1)在慢性阻塞性肺疾病(chronic obstructive pulmonary disease,COPD)中的作用,从而进一步揭示慢性阻塞性肺病的潜在机制。
方法
2
采用香烟烟雾暴露法建立慢性阻塞性肺病小鼠模型,测定小鼠肺功能。通过苏木精、伊红染色和马松三色染色观察肺组织病理情况。通过酶联免疫吸附法测定炎症因子肿瘤坏死因子α(tumor necrosis factor-α,TNF-α)、白细胞介素1β(interleukin-1β,IL-1β)、白细胞介素6(interleukin-6,IL-6)含量。通过实时荧光定量聚合酶链式反应(polymerase chain reaction,PCR)或蛋白质印迹检测叉头框蛋白A1(forkhead box protein A1,FOXA1)、M1和M2巨噬细胞标志物诱导型一氧化氮合酶(induced nitric oxide synthase,iNOS)和分化群206(cluster of differentiation 206,CD206)和核因子-κB(nuclear factor-kappa B,NF-κB)信号通路相关蛋白的表达水平。
结果
2
FOXA1在慢性阻塞性肺病小鼠中表达上调(
t
=11.760,
P
<
0.001)。下调FOXA1可以减少肺组织损伤和纤维化,抑制巨噬细胞M1极化,促进巨噬细胞M2极化,减少炎症因子TNF-α(
t
=5.356,
P
<
0.001)、IL-1β(
t
=5.707,
P
<
0.001)和IL-6(
t
=7.668,
P
<
0.001)含量。此外,本研究还发现,下调FOXA1可以抑制NF-κB信号通路激活。
结论
2
FOXA1通过激活NF-κB信号通路促进巨噬细胞M1极化加剧慢性阻塞性肺病。
Objective
2
To investigate the role of forkhead box protein A1(FOXA1
)
in chronic obstructive pulmonary disease(COPD) and the potential mechanism of COPD.
Methods
2
The method of cigarette smoke exposure was used to establish a mouse model of COPD,and the lung function of mice was measured. HE staining and Masson’s trichrome staining were used to observe the pathological changes of lung tissue;ELISA was used to measure the levels of the inflammatory factors tumor necrosis factor-α(TNF-α),interleukin-1β(IL-1β),and interleukin-6(IL-6); quantitative real-time PCR or Western blotting was used to measure the expression levels of FOXA1,M1 and M2 macrophage markers(induced nitric oxide synthase[iNOS] and cluster of differentiation 206[CD206]),and proteins associated with the nuclear factor-kappa B(NF-κB) signaling pathway.
Results
2
FOXA1 was upregulated in COPD mice (
t
=11.760,
P
<
0.001). Downregulation of FOXA1 could reduce lung tissue damage and fibrosis,inhibit macrophage M1 polarization,promote macrophage M2 polarization,and reduce the levels of the inflammatory factors TNF-α(
t
=5.356,
P
<
0.001),IL-1β(
t
=5.707,
P
<
0.001),and IL-6(
t
=7.668,
P
<
0.001). In addition,this study also showed that downregulation of FOXA1 could inhibit the activation of the NF-κB signaling pathway.
Conclusion
2
FOXA1 promotes macrophage M1 polarization and exacerbates COPD by activating the NF-κB signaling pathway.
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