Inhibition of Urban Particulate Matter-Induced Airway Inflammation by RIPK3 through the Regulation of Tight Junction Protein Production
Urban particulate matter (UPM) is a high-hazard cause of various diseases in humans, including in the respiratory tract, skin, heart, and even brain. Unfortunately, there is no established treatment for the damage caused by UPM in the respiratory epithelium. In addition, although RIPK3 is known to induce necroptosis, its intracellular role as a negative regulator in human lungs and bronchial epithelia remains unclear. Here, the endogenous expression of RIPK3 was significantly decreased 6 h after exposure to UPM. In RIPK3-ovexpressed cells, RIPK3 was not moved to the cytoplasm from the nucleus. Interestingly, the overexpression of RIPK3 dramatically decreased TEER and F-actin formation. Its overexpression also decreased the expression of genes for pro-inflammatory cytokines (IL-6 and IL-8) and tight junctions (ZO-1, -2, -3, E-cadherin, and claudin) during UPM-induced airway inflammation. Importantly, overexpression of RIPK3 inhibited the UPM-induced ROS production by inhibiting the activation of iNOS and eNOS and by regulating mitochondrial fission processing. In addition, UPM-induced activation of the iκB and NF-κB signaling pathways was dramatically decreased by RIPK3, and the expression of pro-inflammatory cytokines was decreased by inhibiting the iκB signaling pathway. Our data indicated that RIPK3 is essential for the UPM-induced inflammatory microenvironment to maintain homeostasis. Therefore, we suggest that RIPK3 is a potential therapeutic candidate for UPM-induced pulmonary inflammation.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:24 |
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| Enthalten in: |
International journal of molecular sciences - 24(2023), 17 vom: 28. Aug. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Park, Sun-Hee [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 15.09.2023 Date Revised 15.09.2023 published: Electronic Citation Status MEDLINE |
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| doi: |
10.3390/ijms241713320 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Urban particulate matter (UPM) is a high-hazard cause of various diseases in humans, including in the respiratory tract, skin, heart, and even brain. Unfortunately, there is no established treatment for the damage caused by UPM in the respiratory epithelium. In addition, although RIPK3 is known to induce necroptosis, its intracellular role as a negative regulator in human lungs and bronchial epithelia remains unclear. Here, the endogenous expression of RIPK3 was significantly decreased 6 h after exposure to UPM. In RIPK3-ovexpressed cells, RIPK3 was not moved to the cytoplasm from the nucleus. Interestingly, the overexpression of RIPK3 dramatically decreased TEER and F-actin formation. Its overexpression also decreased the expression of genes for pro-inflammatory cytokines (IL-6 and IL-8) and tight junctions (ZO-1, -2, -3, E-cadherin, and claudin) during UPM-induced airway inflammation. Importantly, overexpression of RIPK3 inhibited the UPM-induced ROS production by inhibiting the activation of iNOS and eNOS and by regulating mitochondrial fission processing. In addition, UPM-induced activation of the iκB and NF-κB signaling pathways was dramatically decreased by RIPK3, and the expression of pro-inflammatory cytokines was decreased by inhibiting the iκB signaling pathway. Our data indicated that RIPK3 is essential for the UPM-induced inflammatory microenvironment to maintain homeostasis. Therefore, we suggest that RIPK3 is a potential therapeutic candidate for UPM-induced pulmonary inflammation | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a RIPK3 | |
| 650 | 4 | |a ROS | |
| 650 | 4 | |a airway inflammation | |
| 650 | 4 | |a tight junction proteins | |
| 650 | 4 | |a urban particulate matter | |
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| 700 | 1 | |a Lee, Hyun-Chae |e verfasserin |4 aut | |
| 700 | 1 | |a Jeong, Hye Min |e verfasserin |4 aut | |
| 700 | 1 | |a Lee, Jeong-Sang |e verfasserin |4 aut | |
| 700 | 1 | |a Cha, Hee-Jae |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Cheol Hong |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Jeongtae |e verfasserin |4 aut | |
| 700 | 1 | |a Song, Kyoung Seob |e verfasserin |4 aut | |
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