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ATCC mouse lung epithelial cells mle 12
Mouse Lung Epithelial Cells Mle 12, supplied by ATCC, used in various techniques. Bioz Stars score: 97/100, based on 1012 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/mouse+lung+epithelial+mle+12+cells/MLE+12/pm42142418-229-4-9
Average 97 stars, based on 1012 article reviews

mouse lung epithelial cells mle 12 - by Bioz Stars, 2026-09

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Article Title: SPP1 regulates alveolar type 2 cell-macrophage cross talk and epithelial cell fate in iron-driven lung fibrosis.
Article Snippet: Images were acquired using a laser scanning confocal microscope (Leica STELLARIS 8 STED, Deerfield, IL).

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Article Title: Anemonin suppresses sepsis‐induced acute lung injury by inactivation of nuclear factor‐kappa B and activation of nuclear factor erythroid 2‐related factor‐2/heme oxygenase‐1 pathway
Article Snippet: 1Department of Science and Education, Gaozhou People's Hospital, Maoming, China 2Department of Medical Imaging, Affiliated Hospital of Jilin Medical University, Jilin, China 3Department of Anesthesiology, The Second Affiliated Hospital of Guangdong Medical University, Zhanjiang, China 4Department of Cardiovascular Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China 5Department of Cardiovascular Surgery, Gaozhou People's Hospital, Maoming, China

Article Title: Emodin alleviates intestinal ischemia/reperfusion-induced lung injury by upregulating HO-1 expression via PI3K/AkT pathway.
Article Snippet: Background: Emodin, a natural anthraquinone derivative found in various Chinese medicinal herbs, has been proved to be an effective therapeutic agent in the treatment of many diseases.. However, its effect on lung injury after intestinal ischemia/reperfusion injury remains unknown.. This research was designed to investigate whether emodin protects against intestinal ischemia/reperfusion-induced lung injury and to elucidate the underlying molecular mechanisms in vivo and in vitro.

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MLE12 cells were transfected with 50 pmole/ml control, Cry1 , or Cry2 siRNA on day 0 and day 1. A. Western blot showed CRY1/CRY2 protein levels on day 2. B. The transcript levels of cytokines, including C-C motif chemokine ligand 2 ( Ccl2 ), C-X-C motif chemokine ligand 1 ( Cxcl1 ), Interleukin-6 ( Il6 ), Il8/Cxcl5 , matrix metalloproteinase 1 and 7 ( Mmp1 and Mmp7 ), and Tnfa were determined with RT-qPCR. C. Cell numbers were measured with the WST1 assay 1-, 2-, or 3-days post siRNA transfection. n=6. D-E. Primary alveolar ECs were isolated from WT or Cry1/2 dKO mice for RNA sequencing analysis. D. Heatmap image of up (501) and down (369) regulated genes in Cry1/2 dKO mice alveolar ECs compared to WT alveolar ECs. Each gene is represented as a horizontal line. E. GO Biological Process (BP) analysis of DEGs that were in Cry1/2 dKO lung ECs. F. GO Molecular Function (MF) analysis of DEGs. G. GO Cellular Component (CC) analysis of DEGs. The top 5 terms were shown for both up and down-regulated genes. H. Enriched pathways (Metascape) of overlapping genes from human COPD patient ECs DEGs with DEGs from (D). I. GO BP, J. MF and K . CC analysis of common genes between human COPD patient lungs with DEGs in Cry1/2 dKO ECs. Data are presented as mean ± SEM. ** p<0.1, *** p<0.001, and **** p<0.0001 Cry1/2 si vs si_con (Two-way ANOVA followed by Bonferroni adjusted multiple comparisons). For C , only the asterisks for si- Cry1/2 are shown.

Journal: bioRxiv

Article Title: Cryptochrome Loss Drives COPD-like Lung Pathology through Disrupted Alveolar Epithelial Proliferation and Immune Homeostasis

doi: 10.64898/2026.05.19.726266

Figure Lengend Snippet: MLE12 cells were transfected with 50 pmole/ml control, Cry1 , or Cry2 siRNA on day 0 and day 1. A. Western blot showed CRY1/CRY2 protein levels on day 2. B. The transcript levels of cytokines, including C-C motif chemokine ligand 2 ( Ccl2 ), C-X-C motif chemokine ligand 1 ( Cxcl1 ), Interleukin-6 ( Il6 ), Il8/Cxcl5 , matrix metalloproteinase 1 and 7 ( Mmp1 and Mmp7 ), and Tnfa were determined with RT-qPCR. C. Cell numbers were measured with the WST1 assay 1-, 2-, or 3-days post siRNA transfection. n=6. D-E. Primary alveolar ECs were isolated from WT or Cry1/2 dKO mice for RNA sequencing analysis. D. Heatmap image of up (501) and down (369) regulated genes in Cry1/2 dKO mice alveolar ECs compared to WT alveolar ECs. Each gene is represented as a horizontal line. E. GO Biological Process (BP) analysis of DEGs that were in Cry1/2 dKO lung ECs. F. GO Molecular Function (MF) analysis of DEGs. G. GO Cellular Component (CC) analysis of DEGs. The top 5 terms were shown for both up and down-regulated genes. H. Enriched pathways (Metascape) of overlapping genes from human COPD patient ECs DEGs with DEGs from (D). I. GO BP, J. MF and K . CC analysis of common genes between human COPD patient lungs with DEGs in Cry1/2 dKO ECs. Data are presented as mean ± SEM. ** p<0.1, *** p<0.001, and **** p<0.0001 Cry1/2 si vs si_con (Two-way ANOVA followed by Bonferroni adjusted multiple comparisons). For C , only the asterisks for si- Cry1/2 are shown.

Article Snippet: Human lung epithelial cell line A549 and mouse primary lung epithelial cell line MLE12 were procured from ATCC (Manassas, VA).

Techniques: Transfection, Control, Western Blot, Quantitative RT-PCR, Isolation, RNA Sequencing

A. Experimental schematic: Cry1/2 dKO mice were fed with regular (RD) or 1% NOB-containing diets starting at 1 month old and analyzed at 4 months. B. Representative images of H&E-stained lung sections collected from mice fed with a RD or NOB diet. C. MLI quantification of H&E-stained lung sections from male or female Cry1/2 dKO fed with RD or NOB diets. D. RNA-seq was performed using primary lung ECs isolated from the WT mice, or Cry1/2 dKO mice fed with RD or NOB diet. Heatmap of RNA-seq data of lung ECs from different treatment groups. E. GO BP analysis of DEGs that were rescued by NOB treatment in Cry1/2 dKO lung ECs. F. GO MF analysis of rescued DEGs. G. GO CC analysis of rescued DEGs. H. RT qPCR confirmed the upregulation and rescue of genes involved in cilium movement. I. The transcript expression changes of important differentially expressed chemokines, cytokines, Mmps , and surfactant proteins from RNA-seq data. Data were presented as fold changes to WT. J. MlE12 cells were transfected with control siRNA or siRNA targeting Cry1 and Cry2 . 36 h after transfection, cells were treated with 5 ng/ml TNF-α for 15 min. Phosphorylated P-65 and P65 levels were determined with Western blots. K. MLE12 cells were treated with 20 µM NOB for 24 h, followed by 5 ng/ml TNF-α for 0, 15, or 30 mins. Phosphorylated P-65 and P65 levels were determined with Western blots. L. MLE12 cells were transfected with control siRNA, or siRNA targeting Cry1 and Cry2 , and treated with 20 µM NOB for 24 h before TNF-α stimulation (15 mins). Representative confocal images of p65 (green) are shown (×400 magnification; scale bar = 10 µm). M. The percentage of cells with p65 localized in the cytoplasm (C), both cytoplasm and nucleus (C+N), or nucleus (N) was quantified for each treatment condition. N. Western blot of CRY1/2 and COPD-associated proteins in primary lung ECs from different treatment groups. Data are presented as mean ± SEM. P-value was calculated from a two-tailed t-test for H and I, * p<0.05, ** p<0.01, *** p<0.001, and **** p<0.0001 in RD vs in Cry1/2 dKO samples.

Journal: bioRxiv

Article Title: Cryptochrome Loss Drives COPD-like Lung Pathology through Disrupted Alveolar Epithelial Proliferation and Immune Homeostasis

doi: 10.64898/2026.05.19.726266

Figure Lengend Snippet: A. Experimental schematic: Cry1/2 dKO mice were fed with regular (RD) or 1% NOB-containing diets starting at 1 month old and analyzed at 4 months. B. Representative images of H&E-stained lung sections collected from mice fed with a RD or NOB diet. C. MLI quantification of H&E-stained lung sections from male or female Cry1/2 dKO fed with RD or NOB diets. D. RNA-seq was performed using primary lung ECs isolated from the WT mice, or Cry1/2 dKO mice fed with RD or NOB diet. Heatmap of RNA-seq data of lung ECs from different treatment groups. E. GO BP analysis of DEGs that were rescued by NOB treatment in Cry1/2 dKO lung ECs. F. GO MF analysis of rescued DEGs. G. GO CC analysis of rescued DEGs. H. RT qPCR confirmed the upregulation and rescue of genes involved in cilium movement. I. The transcript expression changes of important differentially expressed chemokines, cytokines, Mmps , and surfactant proteins from RNA-seq data. Data were presented as fold changes to WT. J. MlE12 cells were transfected with control siRNA or siRNA targeting Cry1 and Cry2 . 36 h after transfection, cells were treated with 5 ng/ml TNF-α for 15 min. Phosphorylated P-65 and P65 levels were determined with Western blots. K. MLE12 cells were treated with 20 µM NOB for 24 h, followed by 5 ng/ml TNF-α for 0, 15, or 30 mins. Phosphorylated P-65 and P65 levels were determined with Western blots. L. MLE12 cells were transfected with control siRNA, or siRNA targeting Cry1 and Cry2 , and treated with 20 µM NOB for 24 h before TNF-α stimulation (15 mins). Representative confocal images of p65 (green) are shown (×400 magnification; scale bar = 10 µm). M. The percentage of cells with p65 localized in the cytoplasm (C), both cytoplasm and nucleus (C+N), or nucleus (N) was quantified for each treatment condition. N. Western blot of CRY1/2 and COPD-associated proteins in primary lung ECs from different treatment groups. Data are presented as mean ± SEM. P-value was calculated from a two-tailed t-test for H and I, * p<0.05, ** p<0.01, *** p<0.001, and **** p<0.0001 in RD vs in Cry1/2 dKO samples.

Article Snippet: Human lung epithelial cell line A549 and mouse primary lung epithelial cell line MLE12 were procured from ATCC (Manassas, VA).

Techniques: Staining, RNA Sequencing, Isolation, Quantitative RT-PCR, Expressing, Transfection, Control, Western Blot, Two Tailed Test

The effects of acute 1-NP on apoptosis in mouse lungs and MLE-12 cells. (A) The common genes associated with both ALI and 1-NP-evoked changes were explored by GeneCards and CTD databases. (B) Differential gene expression was analysed by KEGG. (C,D) Apoptotic cells were measured in mouse lungs by TUNEL. (E–H) Representative bands of apoptosis (F) and quantitative analyses of Bad (F) , Bcl-2 (G) , and Caspase-3 (H) expression. (I,J) The colocalization of SP-C with Caspase-3 was analysed by IF (I) , and quantitated by the Mander colocalization coefficient (MCC) (J) . (K–N) The influence of acute 1-NP on apoptosis was explored. (K) The expressions of apoptosis-related proteins were estimated with Western blot and quantitative analyses of Bad (L) , Bcl-2 (M) , and Caspase-3 (N) . All data are displayed as means ± S.E.M.s of six samples. The molecular experiments were repeated twice. * P < 0.05, ** P < 0.01.

Journal: Frontiers in Pharmacology

Article Title: 1-Nitropyrene induces acute lung injury via SYVN1/Caspase-11-mediated apoptosis and pyroptosis in pulmonary epithelial cells

doi: 10.3389/fphar.2026.1723593

Figure Lengend Snippet: The effects of acute 1-NP on apoptosis in mouse lungs and MLE-12 cells. (A) The common genes associated with both ALI and 1-NP-evoked changes were explored by GeneCards and CTD databases. (B) Differential gene expression was analysed by KEGG. (C,D) Apoptotic cells were measured in mouse lungs by TUNEL. (E–H) Representative bands of apoptosis (F) and quantitative analyses of Bad (F) , Bcl-2 (G) , and Caspase-3 (H) expression. (I,J) The colocalization of SP-C with Caspase-3 was analysed by IF (I) , and quantitated by the Mander colocalization coefficient (MCC) (J) . (K–N) The influence of acute 1-NP on apoptosis was explored. (K) The expressions of apoptosis-related proteins were estimated with Western blot and quantitative analyses of Bad (L) , Bcl-2 (M) , and Caspase-3 (N) . All data are displayed as means ± S.E.M.s of six samples. The molecular experiments were repeated twice. * P < 0.05, ** P < 0.01.

Article Snippet: Mouse lung epithelial (MLE-12) cells were purchased from American Type Culture Collection (ATCC).

Techniques: Gene Expression, TUNEL Assay, Expressing, Western Blot

The effects of acute 1-NP on pyroptosis in mouse lungs and MLE-12 cells. (A–C) The number of apoptotic cells was detected in MLE-12 cells through flow cytometry (A) , and quantitative analyses of early apoptosis (B) and late apoptosis (C) . (D) Cytotoxicity was estimated by LDH release from MLE-12 cells. (E–J) The expressions of GSDMD, Pro-Caspase-11, Cleaved-Caspase-11, Pro-Caspase-1, and Cleaved-Caspase-1 were measured in mouse lungs by Western blot. (K,L) The co-localization between SP-C and GSDMD was determined in mouse lungs via IF. (M,N) NLRP3-positive nuclei were analysed in mouse lungs via IF and quantification. (O–W) The effect of acute 1-NP on pyroptosis was estimated in MLE-12 cells. (O–U) Representative bands of pyroptosis markers (O) , and the levels of NLRP3 (P) , Pro-Caspase-11 (Q) , Cleaved-Caspase-11 (R) , GSDMD (S) , Pro-Caspase-11 (T) , and Cleaved-Caspase-11 (U) were quantified. (V,W) The mRNAs of Il-1β and Il-18 were determined in MLE-12 cells by RT‒PCR. All data are displayed as means ± S.E.M.s of six samples. The molecular experiments were repeated twice. * P < 0.05, ** P < 0.01.

Journal: Frontiers in Pharmacology

Article Title: 1-Nitropyrene induces acute lung injury via SYVN1/Caspase-11-mediated apoptosis and pyroptosis in pulmonary epithelial cells

doi: 10.3389/fphar.2026.1723593

Figure Lengend Snippet: The effects of acute 1-NP on pyroptosis in mouse lungs and MLE-12 cells. (A–C) The number of apoptotic cells was detected in MLE-12 cells through flow cytometry (A) , and quantitative analyses of early apoptosis (B) and late apoptosis (C) . (D) Cytotoxicity was estimated by LDH release from MLE-12 cells. (E–J) The expressions of GSDMD, Pro-Caspase-11, Cleaved-Caspase-11, Pro-Caspase-1, and Cleaved-Caspase-1 were measured in mouse lungs by Western blot. (K,L) The co-localization between SP-C and GSDMD was determined in mouse lungs via IF. (M,N) NLRP3-positive nuclei were analysed in mouse lungs via IF and quantification. (O–W) The effect of acute 1-NP on pyroptosis was estimated in MLE-12 cells. (O–U) Representative bands of pyroptosis markers (O) , and the levels of NLRP3 (P) , Pro-Caspase-11 (Q) , Cleaved-Caspase-11 (R) , GSDMD (S) , Pro-Caspase-11 (T) , and Cleaved-Caspase-11 (U) were quantified. (V,W) The mRNAs of Il-1β and Il-18 were determined in MLE-12 cells by RT‒PCR. All data are displayed as means ± S.E.M.s of six samples. The molecular experiments were repeated twice. * P < 0.05, ** P < 0.01.

Article Snippet: Mouse lung epithelial (MLE-12) cells were purchased from American Type Culture Collection (ATCC).

Techniques: Flow Cytometry, Western Blot

The influences of Caspase-11 elevation on 1-NP-evoked apoptosis in mouse lungs and MLE-12 cells. (A–H) The inhibitory effect of WED on 1-NP-incurred apoptosis was analysed in mouse lungs. (A,B) The number of apoptotic cells was evaluated via TUNEL. (C–F) The parameters of apoptosis were measured via Western blot, consisting of Bad, Bcl-2, and Caspase-3. (G,H) The number of Caspase-3-positive cells was determined by IHC. (I–P) The antagonistic influence of Caspase-11 siRNA on 1-NP-mediated apoptosis was explored in MEL-12 cells. (I,J) Apoptotic cells were detected using TUNEL. (K–N) Representative bands of apoptosis (K) and quantitative analyses of Bad (L) , Bcl-2 (M) , and Caspase-3 (N) . (O,P) The count of Caspase-3-positive cells was analysed. All data are displayed as means ± S.E.M.s of six samples. The molecular experiments were repeated twice. * P < 0.05, ** P < 0.01.

Journal: Frontiers in Pharmacology

Article Title: 1-Nitropyrene induces acute lung injury via SYVN1/Caspase-11-mediated apoptosis and pyroptosis in pulmonary epithelial cells

doi: 10.3389/fphar.2026.1723593

Figure Lengend Snippet: The influences of Caspase-11 elevation on 1-NP-evoked apoptosis in mouse lungs and MLE-12 cells. (A–H) The inhibitory effect of WED on 1-NP-incurred apoptosis was analysed in mouse lungs. (A,B) The number of apoptotic cells was evaluated via TUNEL. (C–F) The parameters of apoptosis were measured via Western blot, consisting of Bad, Bcl-2, and Caspase-3. (G,H) The number of Caspase-3-positive cells was determined by IHC. (I–P) The antagonistic influence of Caspase-11 siRNA on 1-NP-mediated apoptosis was explored in MEL-12 cells. (I,J) Apoptotic cells were detected using TUNEL. (K–N) Representative bands of apoptosis (K) and quantitative analyses of Bad (L) , Bcl-2 (M) , and Caspase-3 (N) . (O,P) The count of Caspase-3-positive cells was analysed. All data are displayed as means ± S.E.M.s of six samples. The molecular experiments were repeated twice. * P < 0.05, ** P < 0.01.

Article Snippet: Mouse lung epithelial (MLE-12) cells were purchased from American Type Culture Collection (ATCC).

Techniques: TUNEL Assay, Western Blot

The effects of Caspase-11 increase on 1-NP-induced pyroptosis in mouse lungs and MLE-12 cells. (A–H) The antagonistic influence of WED on 1-NP-induced apoptosis was analysed in mouse lungs. (A–D) Pyroptosis markers were tested via Western blot, including GSDMD, Pro-Caspase-11, and Cleaved-Caspase-11. (E,F) GSDMD-positive cells were evaluated by IHC. (G,H) Caspase-11-positive cells were detected with IHC. (I–P) The repressive influence of Caspase-11 siRNA on 1-NP-induced pyroptosis was analysed in MLE-12 cells. (I–L) The indicators of pyroptosis were estimated using Western blot (I) and quantitative analyses of GSDMD (J) , Pro-Caspase-11 (K) , and Cleaved-Caspase-11 (L) . (M,N) The number of GSDMD-positive cells was evaluated using IF. (O,P) The mRNA levels of Il-1β and Il-18 were estimated by RT‒PCR. All data are displayed as means ± S.E.M.s of six samples. The molecular experiments were repeated twice. * P < 0.05, ** P < 0.01.

Journal: Frontiers in Pharmacology

Article Title: 1-Nitropyrene induces acute lung injury via SYVN1/Caspase-11-mediated apoptosis and pyroptosis in pulmonary epithelial cells

doi: 10.3389/fphar.2026.1723593

Figure Lengend Snippet: The effects of Caspase-11 increase on 1-NP-induced pyroptosis in mouse lungs and MLE-12 cells. (A–H) The antagonistic influence of WED on 1-NP-induced apoptosis was analysed in mouse lungs. (A–D) Pyroptosis markers were tested via Western blot, including GSDMD, Pro-Caspase-11, and Cleaved-Caspase-11. (E,F) GSDMD-positive cells were evaluated by IHC. (G,H) Caspase-11-positive cells were detected with IHC. (I–P) The repressive influence of Caspase-11 siRNA on 1-NP-induced pyroptosis was analysed in MLE-12 cells. (I–L) The indicators of pyroptosis were estimated using Western blot (I) and quantitative analyses of GSDMD (J) , Pro-Caspase-11 (K) , and Cleaved-Caspase-11 (L) . (M,N) The number of GSDMD-positive cells was evaluated using IF. (O,P) The mRNA levels of Il-1β and Il-18 were estimated by RT‒PCR. All data are displayed as means ± S.E.M.s of six samples. The molecular experiments were repeated twice. * P < 0.05, ** P < 0.01.

Article Snippet: Mouse lung epithelial (MLE-12) cells were purchased from American Type Culture Collection (ATCC).

Techniques: Western Blot

The impacts of acute 1-NP on Caspase-11 ubiquitination and protein degradation in pulmonary epithelial cells. (A) The level of Caspase-11 mRNA was tested by RT‒PCR. At 24 h after 1-NP, MLE-12 cells were incubated with CHX or MG132 for 0 h, 3 h, 6 h, or 12 h. Caspase-11 protein stability was analysed. (B,C) The protein stability of Caspase-11 was estimated by Western blot. At 24 h after 1-NP, MLE-12 cells were incubated with CHX or Bnf A1 for different durations. (D,E) The protein stability of Caspase-11 was evaluated with Western blot. (F) The UbiBrowser database was used to predict the proteins that possibly interact with Caspase-11. (G,H) The interaction between Caspase-11 and SYVN1 was evaluated by Co-IP. (I,J) The interaction between Caspase-11 and ubiquitin was analysed via Co-IP. (K) The interaction between Caspase-11 and SYVN1 was simulated via molecular docking. All data are displayed as means ± S.E.M.s of six samples. The molecular experiments were repeated twice. * P < 0.05, ** P < 0.01.

Journal: Frontiers in Pharmacology

Article Title: 1-Nitropyrene induces acute lung injury via SYVN1/Caspase-11-mediated apoptosis and pyroptosis in pulmonary epithelial cells

doi: 10.3389/fphar.2026.1723593

Figure Lengend Snippet: The impacts of acute 1-NP on Caspase-11 ubiquitination and protein degradation in pulmonary epithelial cells. (A) The level of Caspase-11 mRNA was tested by RT‒PCR. At 24 h after 1-NP, MLE-12 cells were incubated with CHX or MG132 for 0 h, 3 h, 6 h, or 12 h. Caspase-11 protein stability was analysed. (B,C) The protein stability of Caspase-11 was estimated by Western blot. At 24 h after 1-NP, MLE-12 cells were incubated with CHX or Bnf A1 for different durations. (D,E) The protein stability of Caspase-11 was evaluated with Western blot. (F) The UbiBrowser database was used to predict the proteins that possibly interact with Caspase-11. (G,H) The interaction between Caspase-11 and SYVN1 was evaluated by Co-IP. (I,J) The interaction between Caspase-11 and ubiquitin was analysed via Co-IP. (K) The interaction between Caspase-11 and SYVN1 was simulated via molecular docking. All data are displayed as means ± S.E.M.s of six samples. The molecular experiments were repeated twice. * P < 0.05, ** P < 0.01.

Article Snippet: Mouse lung epithelial (MLE-12) cells were purchased from American Type Culture Collection (ATCC).

Techniques: Ubiquitin Proteomics, Incubation, Western Blot, Co-Immunoprecipitation Assay

The role of SYVN1 on acute 1-NP-induced Caspase-11 proteasome degradation in pulmonary epithelial cells. (A–D) The effects of acute 1-NP on SYVN1 protein expression were evaluated in mouse lungs and MLE-12 cells via Western blot. (E–L) The effect of SYVN1 reduction on 1-NP-evoked Caspase-11 ubiquitination degradation was observed. SYVN1 overexpression plasmids were transfected, after which the cells were exposed to 1-NP (5 μM). (E,F) The stability of Caspase-11 protein was measured via Western blot. (G,H) The rate of Caspase-11 proteasome degradation was detected using Western blot. (I,J) The interaction between Caspase-11 and SYVN1 was analysed by Co-IP. (K,L) The interaction of Caspase-11 with ubiquitin was explored with Co-IP. (M–S) The effects of SYVN1 decrease on 1-NP-mediated apoptosis and pyroptosis were investigated in MLE-12 cells. (M–Q) The markers of apoptosis and pyroptosis were detected via Western blot. (R,S) The expressions of Il-18 and Il-1β were evaluated through RT‒PCR. All data are displayed as means ± S.E.M.s of six samples. The molecular experiments were repeated twice. * P < 0.05, ** P < 0.01.

Journal: Frontiers in Pharmacology

Article Title: 1-Nitropyrene induces acute lung injury via SYVN1/Caspase-11-mediated apoptosis and pyroptosis in pulmonary epithelial cells

doi: 10.3389/fphar.2026.1723593

Figure Lengend Snippet: The role of SYVN1 on acute 1-NP-induced Caspase-11 proteasome degradation in pulmonary epithelial cells. (A–D) The effects of acute 1-NP on SYVN1 protein expression were evaluated in mouse lungs and MLE-12 cells via Western blot. (E–L) The effect of SYVN1 reduction on 1-NP-evoked Caspase-11 ubiquitination degradation was observed. SYVN1 overexpression plasmids were transfected, after which the cells were exposed to 1-NP (5 μM). (E,F) The stability of Caspase-11 protein was measured via Western blot. (G,H) The rate of Caspase-11 proteasome degradation was detected using Western blot. (I,J) The interaction between Caspase-11 and SYVN1 was analysed by Co-IP. (K,L) The interaction of Caspase-11 with ubiquitin was explored with Co-IP. (M–S) The effects of SYVN1 decrease on 1-NP-mediated apoptosis and pyroptosis were investigated in MLE-12 cells. (M–Q) The markers of apoptosis and pyroptosis were detected via Western blot. (R,S) The expressions of Il-18 and Il-1β were evaluated through RT‒PCR. All data are displayed as means ± S.E.M.s of six samples. The molecular experiments were repeated twice. * P < 0.05, ** P < 0.01.

Article Snippet: Mouse lung epithelial (MLE-12) cells were purchased from American Type Culture Collection (ATCC).

Techniques: Expressing, Western Blot, Ubiquitin Proteomics, Over Expression, Transfection, Co-Immunoprecipitation Assay

Inhibition of TRPV4 increased mitochondrial autophagy and attenuated damage of MLE12 cells. A CCK-8 assay was detected to evaluate cell viability in each group ( n = 6) B , C Intracellular calcium ion concentrations were measured using laser confocal microscopy (original magnification,×64; scale bar: 50 μm) D , E Fluorescence microscopy was used to assess ROS levels F Cell apoptosis in each group was detected by flow cytometry (original magnification,×64; scale bar: 50 μm) ( n = 6) G , H Changes in mitochondrial membrane potential were detected using laser confocal microscopy with JC-1 staining(original magnification, ×64; scale bar: 50 μm) (×64; scale bar: 20 μm) ( n = 6). Nuclei were revealed using DAPI staining I The expressions of autophagy-related proteins PINK1 and PARK2 and their upstream regulatory factor Sirt1、FoxO1 in mitochondria were measured by Western Blot.

Journal: Inflammation

Article Title: Inhibition of TRPV4 Regulates Mitophagy Through the Sirt1/FoxO1 Signaling Pathway To Alleviate Acute Lung Injury

doi: 10.1007/s10753-025-02433-y

Figure Lengend Snippet: Inhibition of TRPV4 increased mitochondrial autophagy and attenuated damage of MLE12 cells. A CCK-8 assay was detected to evaluate cell viability in each group ( n = 6) B , C Intracellular calcium ion concentrations were measured using laser confocal microscopy (original magnification,×64; scale bar: 50 μm) D , E Fluorescence microscopy was used to assess ROS levels F Cell apoptosis in each group was detected by flow cytometry (original magnification,×64; scale bar: 50 μm) ( n = 6) G , H Changes in mitochondrial membrane potential were detected using laser confocal microscopy with JC-1 staining(original magnification, ×64; scale bar: 50 μm) (×64; scale bar: 20 μm) ( n = 6). Nuclei were revealed using DAPI staining I The expressions of autophagy-related proteins PINK1 and PARK2 and their upstream regulatory factor Sirt1、FoxO1 in mitochondria were measured by Western Blot.

Article Snippet: The mouse lung epithelial cell line MLE12 was bought from American Type Culture Collection (ATCC, CRL-2110, USA).

Techniques: Inhibition, CCK-8 Assay, Confocal Microscopy, Fluorescence, Microscopy, Flow Cytometry, Membrane, Staining, Western Blot

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