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Karim L, Kosmider B, Bahmed K. Mitochondrial ribosomal stress in lung diseases. Am J Physiol Lung Cell Mol Physiol 2021; 322:L507-L517. [PMID: 34873929 DOI: 10.1152/ajplung.00078.2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Mitochondria are involved in a variety of critical cellular functions, and their impairment drives cell injury. The mitochondrial ribosome (mitoribosome) is responsible for the protein synthesis of mitochondrial DNA encoded genes. These proteins are involved in oxidative phosphorylation, respiration, and ATP production required in the cell. Mitoribosome components originate from both mitochondrial and nuclear genomes. Their dysfunction can be caused by impaired mitochondrial protein synthesis or mitoribosome misassembly, leading to a decline in mitochondrial translation. This decrease can trigger mitochondrial ribosomal stress and contribute to pulmonary cell injury, death, and diseases. This review focuses on the contribution of the impaired mitoribosome structural components and function to respiratory disease pathophysiology. We present recent findings in the fields of lung cancer, chronic obstructive pulmonary disease, interstitial lung disease, and asthma. We also include reports on the mitoribosome dysfunction in pulmonary hypertension, high altitude pulmonary edema, bacterial and viral infections. Studies of the mitoribosome alterations in respiratory diseases can lead to novel therapeutic targets.
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Affiliation(s)
- Loukmane Karim
- Department of Microbiology, Immunology, and Inflammation, Temple University, Philadelphia, PA, United States.,Center for Inflammation and Lung Research, Temple University, Philadelphia, PA, United States
| | - Beata Kosmider
- Department of Microbiology, Immunology, and Inflammation, Temple University, Philadelphia, PA, United States.,Center for Inflammation and Lung Research, Temple University, Philadelphia, PA, United States.,Department of Biomedical Education and Data Science, Temple University, Philadelphia, PA, United States
| | - Karim Bahmed
- Center for Inflammation and Lung Research, Temple University, Philadelphia, PA, United States.,Department of Thoracic Medicine and Surgery, Temple University, Philadelphia, PA, United States
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Lefebvre MA, Pham DM, Boussouira B, Qiu H, Ye C, Long X, Chen R, Gu W, Laurent A, Nguyen QL. Consequences of urban pollution upon skin status. A controlled study in Shanghai area. Int J Cosmet Sci 2015; 38:217-23. [PMID: 26291783 DOI: 10.1111/ics.12270] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Accepted: 08/12/2015] [Indexed: 12/17/2022]
Abstract
OBJECTIVE After preliminary studies aimed at measuring pertinent biochemical parameters, potentially modified in subjects exposed to bad environmental conditions, a dedicated study was performed in Shanghai city to evaluate the effect of Urban pollution upon human skin and to collect feedback from the volunteers under study. METHODS This study was performed during summer 2008 in two different districts of Shanghai, on 159 local residents: 79 subjects from Xu Jia Hui (a centre Shanghainese area), more exposed to pollution, and 80 subjects from Chong Ming, an agricultural region closely located north of Shanghai (<100 kms) and less exposed to pollution, according to official data. Biochemical parameters were measured on skin, and feedback from volunteers was collected through a graduated 'Likert scale' questionnaire under a point scale (strongly agree, agree, disagree, strongly disagree and none). RESULTS The study demonstrated significant differences in several biochemical parameters measured in Chong Ming area, as compared to Urban area, with an increased ratio of squalene/lipids, a lower level of lactic acid and a better cohesion of stratum corneum. Both sebum excretion rate and sebum casual levels did not differ between the two districts. The volunteer's feedback evidenced a perceived link between pollution and their skin problems. CONCLUSION This study demonstrated a significant impact of the pollution upon the skin status, as illustrated by changes in superficial biochemical parameters and volunteers' perception.
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Affiliation(s)
- M-A Lefebvre
- L'Oreal Research & Innovation, 11-13 rue Dora Mar, 93400, Saint-Ouen, France
| | - D-M Pham
- L'Oreal Research & Innovation, 188 rue Paul Hochart BP 553, 94152, Chevilly-Larue, France
| | - B Boussouira
- L'Oreal Research & Innovation, 188 rue Paul Hochart BP 553, 94152, Chevilly-Larue, France
| | - H Qiu
- L'Oreal Research & Innovation, No. 550 JinYu Rd., Pudong New Area, Shanghai, China
| | - C Ye
- L'Oreal Research & Innovation, No. 550 JinYu Rd., Pudong New Area, Shanghai, China
| | - X Long
- L'Oreal Research & Innovation, No. 550 JinYu Rd., Pudong New Area, Shanghai, China
| | - R Chen
- L'Oreal Research & Innovation, No. 550 JinYu Rd., Pudong New Area, Shanghai, China
| | - W Gu
- L'Oreal Research & Innovation, No. 550 JinYu Rd., Pudong New Area, Shanghai, China
| | - A Laurent
- L'Oreal Research & Innovation, No. 550 JinYu Rd., Pudong New Area, Shanghai, China
| | - Q-L Nguyen
- L'Oreal Research & Innovation, 188 rue Paul Hochart BP 553, 94152, Chevilly-Larue, France
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Lefebvre MA, Pham DM, Boussouira B, Bernard D, Camus C, Nguyen QL. Evaluation of the impact of urban pollution on the quality of skin: a multicentre study in Mexico. Int J Cosmet Sci 2015; 37:329-38. [PMID: 25655908 DOI: 10.1111/ics.12203] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Accepted: 01/24/2015] [Indexed: 01/06/2023]
Abstract
OBJECTIVE After pilot and preliminary studies aimed at identifying pertinent biochemical parameters, a multicenter clinical study was performed to evaluate the effect of pollution on human skin. METHODS The clinical study was performed in collaboration with the 'Centre Régional de lutte contre le cancer de Montpellier' and the 'National Institute of Public Health of Mexico' on 96 subjects in Mexico City (exposed to pollution) and 93 subjects in Cuernavaca (less exposed to pollution). Both biochemical and clinical skin parameters were studied. RESULTS The study demonstrated significant quantitative and qualitative modifications of parameters related to sebum excretion in Mexico City compared to Cuernavaca one: An increased level of sebum excretion rate, a lower level of vitamin E and squalene in sebum, an increase of lactic acid and a higher erythematous index on the face of the subjects. In the stratum corneum, a significant higher level of carbonylated proteins and a lower level of IL 1α were noticed, as well as a decrease of ATP concentration with a decrease of chymotrysin like activity, without modifications of corneodesmosin content and trypsin like activity. From a clinical point of view, a higher frequency of atopic and urticarial skins, a higher frequency of red dermographism, an important seborrheic status at the forehead level and a lower level of dandruffs were noted in Mexico City population. The analysis taking into account the sex does not modify the observed results. CONCLUSION The study demonstrated an important impact of polluted environmental conditions on skin quality, evidencing important modifications of superficial biochemical parameters. The cause/effects relationships of these modifications remain, however, to be further assessed by a complementary in vitro/in vivo approaches.
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Affiliation(s)
- M-A Lefebvre
- L'Oreal Research & Innovation, 11-13 rue Dora Mar, 93400, Saint-Ouen, France
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Sun NN, Wong SS, Nardi C, Ostroff D, Witten ML, Lantz RC. In Vitro Pro-inflammatory Regulatory role of Substance P in Alveolar Macrophages and Type II Pneumocytes after JP-8 Exposure. J Immunotoxicol 2012; 4:61-7. [PMID: 18958713 DOI: 10.1080/15476910601141370] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
The effects of JP-8 on pro-inflammatory cytokine interleukin (IL)-1alpha,beta and nitric oxide (NO) secretion as well as the role of substance P (SP) in these processes were examined in cultured alveolar macrophages (AM), type II epithelial cells (AIIE), and AM/AIIE co-cultures. Exposure of AM to JP-8 for 24 hr exhibited release of IL-1alpha,beta, whereas exposure to AIIE showed a concentration-dependent NO overproduction. Data indicate that there are cell-dependent inflammatory mechanisms responsible for the actual level of JP-8 exposure in alveoli. However, treatment with substance P significantly attenuated JP-8 induced the IL-1alpha,beta secretion. This finding was confirmed by using [Sar(9) Met (O(2))(11)] SP (10(- 10) M), an agonist of substance P, suggesting that substance P may have signal pathway(s) to AM in the inflammatory response mediated by IL-1. Moreover, AM/AIIE co-culture obviously reduced NO overproduction observed in AIIE alone, suggesting that there may be cell interactions or communications between AM and AIIE in response to the JP-8 exposure.
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Affiliation(s)
- Nina N Sun
- Department of Pediatrics and Center for Toxicology, University of Arizona, Tucson, Arizona, USA
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Jiang-Shieh YF, Chien HF, Chang CY, Wei TS, Chiu MM, Chen HM, Wu CH. Distribution and expression of CD200 in the rat respiratory system under normal and endotoxin-induced pathological conditions. J Anat 2010; 216:407-16. [PMID: 20070425 DOI: 10.1111/j.1469-7580.2009.01190.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
In vivo and in vitro studies have clearly demonstrated that signaling mediated by the interaction of CD200 and its cognate receptor, CD200R, results in an attenuation of inflammatory or autoimmune responses through multiple mechanisms. The present results have shown a differential expression of CD200 in the respiratory tract of intact rats. Along the respiratory passage, CD200 was specifically distributed at the bronchiolar epithelia with intense CD200 immunoreactivity localized at the apical surface of some ciliated epithelial cells; only a limited expression was detected on the Clara cells extending into the alveolar duct. In the alveolar septum, double immunofluorescence showed intense CD200 immunolabeling on the capillary endothelia. A moderate CD200 labeling was observed on the alveolar type II epithelial cells. It was, however, absent in the alveolar type I epithelial cells and the alveolar macrophages. Immunoelectron microscopic study has revealed a specific distribution of CD200 on the luminal front of the thin portion of alveolar endothelia. During endotoxemia, the injured lungs showed a dose- and time-dependent decline of CD200 expression accompanied by a vigorous infiltration of immune cells, some of them expressing ionized calcium binding adapter protein 1 or CD200. Ultrastructural examination further showed that the marked reduction of CD200 expression was mainly attributable to the loss of alveolar endothelial CD200. It is therefore suggested that CD200 expressed by different lung cells may play diverse roles in immune homeostasis of normal lung, in particular, the molecules on alveolar endothelia that may control regular recruitment of immune cells via CD200-CD200R interaction. Additionally, it may contribute to intense infiltration of immune cells following the loss or inefficiency of CD200 under pathological conditions.
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Affiliation(s)
- Ya-Fen Jiang-Shieh
- Department of Anatomy, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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Shukla A, Jung M, Stern M, Fukagawa NK, Taatjes DJ, Sawyer D, Van Houten B, Mossman BT. Asbestos induces mitochondrial DNA damage and dysfunction linked to the development of apoptosis. Am J Physiol Lung Cell Mol Physiol 2003; 285:L1018-25. [PMID: 12909582 DOI: 10.1152/ajplung.00038.2003] [Citation(s) in RCA: 73] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
To test the hypothesis that asbestos-mediated cell injury is mediated through an oxidant-dependent mitochondrial pathway, isolated mesothelial cells were examined for mitochondrial DNA damage as determined by quantitative PCR. Mitochondrial DNA damage occurred at fourfold lower concentrations of crocidolite asbestos compared with concentrations required for nuclear DNA damage. DNA damage by asbestos was preceded by oxidant stress as shown by confocal scanning laser microscopy using MitoTracker Green FM and the oxidant probe Redox Sensor Red CC-1. These events were associated with dose-related decreases in steady-state mRNA levels of cytochrome c oxidase, subunit 3 (COIII), and NADH dehydrogenase 5. Subsequently, dose-dependent decreases in formazan production, an indication of mitochondrial dysfunction, increased mRNA expression of pro- and antiapoptotic genes, and increased numbers of apoptotic cells were observed in asbestos-exposed mesothelial cells. The possible contribution of mitochondrial-derived pathways to asbestos-induced apoptosis was confirmed by its significant reduction after pretreatment of cells with a caspase-9 inhibitor. Apoptosis was decreased in the presence of catalase. Last, use of HeLa cells transfected with a mitochondrial transport sequence targeting the human DNA repair enzyme 8-oxoguanine DNA glycosylase to mitochondria demonstrated that asbestos-induced apoptosis was ameliorated with increased cell survival. Studies collectively indicate that mitochondria are initial targets of asbestos-induced DNA damage and apoptosis via an oxidant-related mechanism.
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Affiliation(s)
- Arti Shukla
- Department of Pathology, University of Vermont College of Medicine, Burlington, Vermont 05405, USA
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Abstract
The lungs are directly exposed to higher oxygen concentrations than most other tissues. Increased oxidative stress is a significant part of the pathogenesis of obstructive lung diseases such as asthma and chronic obstructive pulmonary disease, parenchymal lung diseases (e.g., idiopathic pulmonary fibrosis and lung granulomatous diseases), and lung malignancies. Lung tissue is protected against these oxidants by a variety of antioxidant mechanisms among which the superoxide dismutases (SODs) are the only ones converting superoxide radicals to hydrogen peroxide. There are three SODs: cytosolic copper-zinc, mitochondrial manganese, and extracellular SODs. These enzymes have specific distributions and functions. Their importance in protecting lung tissue has been confirmed in transgenic and knockout animal studies. Relatively few studies have been conducted on these enzymes in the normal human lung or in human lung diseases. Most human studies suggest that there is induction of manganese SOD and, possibly, extracellular SOD during inflammatory, but not fibrotic, phases of parenchymal lung diseases and that both copper-zinc SOD and manganese SOD may be downregulated in asthmatic airways. Many previous antioxidant therapies have been disappointing, but newly characterized SOD mimetics are being shown to protect against oxidant-related lung disorders in animal models.
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Upadhyay D, Kamp DW. Asbestos-induced pulmonary toxicity: role of DNA damage and apoptosis. Exp Biol Med (Maywood) 2003; 228:650-9. [PMID: 12773695 DOI: 10.1177/153537020322800602] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Asbestos causes asbestosis and various malignancies by mechanisms that are not clearly defined. Here, we review the accumulating evidence showing that asbestos is directly genotoxic by inducing DNA strand breaks (DNA-SB) and apoptosis in relevant lung target cells. Although the exact mechanisms by which asbestos causes DNA damage and apoptosis are not firmly established, some of the implicated mechanisms include the generation of iron-derived reactive oxygen species (ROS) as well as reactive nitrogen species (RNS), alteration in the mitochondrial function, and activation of the death receptor pathway. We focus on the accumulating evidence implicating ROS. DNA repair mechanisms have a key role in limiting the extent of DNA damage. Recent studies show that asbestos activates DNA repair enzymes such as apurinic/apyrimidinic endonuclease (APE) and poly (ADP-ribose) polymerase (PARP). Asbestos-induced neoplastic transformation may result in the setting where DNA damage overwhelms DNA repair in the face of a persistent proliferative signal. Strategies aimed at limiting asbestos-induced oxidative stress may reduce DNA damage and, as such, prevent malignant transformation.
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Affiliation(s)
- Daya Upadhyay
- Division of Pulmonary and Critical Care Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, USA
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Li JM, Cai Q, Zhou H, Xiao GX. Effects of hydrogen peroxide on mitochondrial gene expression of intestinal epithelial cells. World J Gastroenterol 2002; 8:1117-22. [PMID: 12439937 PMCID: PMC4656392 DOI: 10.3748/wjg.v8.i6.1117] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To study the effects of hydrogen peroxide on mitochondrial gene expression of intestinal epithelial cells in in vitro model of hydrogen peroxide-stimulated SW-480 cells.
METHODS: RNA of hydrogen peroxide-induced SW-480 cells was isolated, and reverse-transcriptional polymerase chain reaction was performed to study gene expression of ATPase subunit 6, ATPase subunit 8, cytochrome c oxidase subunit I (COI), cytochrome coxidase subuit II (COII) and cytochrome c oxidase subunit III (COIII). Mitochondria were isolated and activities of mitochondrial cytochrome c oxidase and ATPase were also measured simultaneously.
RESULTS: Hydrogen peroxide led to differential expression of mitochondrial genes with some genes up-regulated or down-regulated in a dose dependent manner. Differences were very obvious in expressions of mitochondrial genes of cells treated with hydrogen peroxide in a concentration of 400 μmol/L or 4 mmol/L. In general, differential expression of mitochondrial genes was characterized by up-regulation of mitochondrial genes in the concentration of 400 μmol/L and down-regulation in the concentration of 4 mmol/L. In consistence with changes in mitochondrial gene expressions, hydrogen peroxide resulted in decreased activities of cytochrome c oxidase and ATPase.
CONCLUSION: The differential expression of mitochondrial genes encoding cytochrome c oxidase and ATPase is involved in apoptosis of intestinal epithelial cells by affecting activities of cytochorme c oxidase and ATPase.
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Affiliation(s)
- Jian-Ming Li
- Institute of Burn Research, Southwest Hospital, Third Military Medical University, Chongqing 400038, China
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Emmendoerffer A, Hecht M, Boeker T, Mueller M, Heinrich U. Role of inflammation in chemical-induced lung cancer. Toxicol Lett 2000; 112-113:185-91. [PMID: 10720730 DOI: 10.1016/s0378-4274(99)00285-4] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Chemical-induced carcinogenesis has been in the focus of toxicological research for many decades. However, the mechanisms leading to tumor formation are only understood with certain substances. The intake of potential carcinogens by inhalation is a major route of exposure. Chemical-induced lung tumors are the final manifestation of a multistep pathway, resulting in an imbalance between cell proliferation and cell death by apoptosis. The impact of certain confounding factors e.g. extent of inflammatory response, type of genotoxic event, antagonizing principles and genetic background are discussed in this article. Finally, methods to assess the inflammatory potential of chemicals are referred to.
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Affiliation(s)
- A Emmendoerffer
- Fraunhofer Institute for Toxicology and Aersol Research, Nikolai-Fuchs-Strasse 1, D-30625, Hannover, Germany
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