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Shen T, Ma J, Zhang L, Yu X, Liu M, Hou Y, Wang Y, Ma C, Li S, Zhu D. Correction: Positive Feedback-Loop of Telomerase Reverse Transcriptase and 15-Lipoxygenase-2 Promotes Pulmonary Hypertension. PLoS One 2024; 19:e0308871. [PMID: 39116122 PMCID: PMC11309466 DOI: 10.1371/journal.pone.0308871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2024] Open
Abstract
[This corrects the article DOI: 10.1371/journal.pone.0083132.].
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Beirami AD, Akhtari N, Noroozi R, Hatamabadi D, Hasan SMF, Ayatollahi SA, Ayatollahi NA, Kobarfard F. Bringing back Galium aparine L. from forgotten corners of traditional wound treatment procedures: an antimicrobial, antioxidant, and in-vitro wound healing assay along with HPTLC fingerprinting study. BMC Complement Med Ther 2024; 24:279. [PMID: 39044256 PMCID: PMC11267910 DOI: 10.1186/s12906-024-04355-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 01/14/2024] [Indexed: 07/25/2024] Open
Abstract
BACKGROUND The wound healing process, restoring the functionality of the damaged tissue, can be accelerated by various compounds. The recent experimental analysis highlights the beneficial effects of phytochemicals in improving skin regeneration and wound healing. In traditional medicine, one of the widespread plants used for treating different injuries or skin afflictions is Galium aparine L. (GA). Besides, previously reported chemical compounds of GA suggested its therapeutic effects for the wound healing process, yet its regulatory effects on the cellular and molecular stages of the wound healing process have not been investigated. METHODS In the present study, the phytochemical profile of the GA extract was analyzed using HPTLC fingerprinting, and further scientific evaluation of its phytochemicals was done. The wound-healing effects of GA extract were explored at the cellular and molecular levels while accounting for cell toxicity. The wound closure enhancing effect, antibacterial activity, and antioxidant activity were assessed. RESULTS The HPTLC fingerprinting of the GA extract proved its previously reported phytochemical profile including phenols, flavonoids, tannins, plant acids, ergot alkaloids, flavonoids, anthraquinones, terpenoids, sterols, salicin, lipophilic compounds, saponins, iridoids, and heterocyclic nitrogen compounds. Antimicrobial assessment, of the extract, indicated the more susceptibility of S. aureus to the inhibitory effects of GA rather than E. coli and S. epidermidis. DPPH test results revealed the antioxidant property of GA extract, which was comparable to ascorbic acid. The results of the viability assay showed no cytotoxicity effects on human umbilical endothelial cell (HUVEC) and normal human dermal fibroblast (NHDF) cell lines treated with different concentrations of whole plant extract and cell viability increased in a dose-dependent manner. The results of the scratch assay showed improved cell migration and wound closure. CONCLUSIONS This study shows the anti-oxidant, anti-microbial, and in vitro wound healing wound-healing effects of GA hydroalcoholic extract, which aligns with its use in traditional medicine. No cytotoxicity effects were shown. The results from this study can be the basis for further investigations such as animal models and phytochemical studies. Further evaluation of its effects on mechanisms and signaling pathways involved in the wound healing processes such as angiogenesis and cell proliferation can provide novel insights into the potential therapeutic effects of the GA extract.
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Affiliation(s)
- Amirreza Dowlati Beirami
- Department of Medicinal Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, PO Box: 14155-6153, Tehran, Iran
| | - Negin Akhtari
- Department of Pharmaceutics and Pharmaceutical Nanotechnology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Razieh Noroozi
- Division of Food Safety and Hygiene, Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Iranian Food and Drug Administration, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Dara Hatamabadi
- Department of Medicinal Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, PO Box: 14155-6153, Tehran, Iran
| | - Syed Muhammad Farid Hasan
- Department of Pharmaceutics, Faculty of Pharmacy & Pharmaceutical Sciences, University of Karachi, Karachi, Pakistan
| | | | - Neda Alsadat Ayatollahi
- Department of Pharmaceutics, Faculty of Pharmacy & Pharmaceutical Sciences, University of Karachi, Karachi, Pakistan
| | - Farzad Kobarfard
- Department of Medicinal Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, PO Box: 14155-6153, Tehran, Iran.
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Salehi N, Ghaee A, Moris H, Derhambakhsh S, Sharifloo MM, Safshekan F. Electrospun zein nanofibers loaded with curcumin as a wound dressing: enhancing properties with PSS and PDADMAC layers. Biomed Mater 2024; 19:025044. [PMID: 38364281 DOI: 10.1088/1748-605x/ad2a39] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Accepted: 02/16/2024] [Indexed: 02/18/2024]
Abstract
Development of wound dressings with enhanced therapeutic properties is of great interest in the modern healthcare. In this study, a zein-based nanofibrous wound dressing containing curcumin as a therapeutic agent was fabricated through electrospinning technique. In order to achieve desirable properties, such as antibacterial characteristics, reduced contact angle, and enhanced mechanical properties, the layer-by-layer technique was used for coating the surfaces of drug-loaded nanofibers by sequentially incorporating poly (sodium 4-styrene sulfonate) as a polyanion and poly (diallyldimethylammonium chloride) (PDADMAC) as a polycation. Various analyses, including scanning electron microscopy, Fourier transform infrared spectroscopy, drug release assessment., and mechanical tests were employed to assess the characteristics of the prepared wound dressings. Based on the results, coating with polyelectrolytes enhanced the Young's modulus and tensile strength of the electrospun mat from 1.34 MPa and 4.21 MPa to 1.88 MPa and 8.83 MPa, respectively. The coating also improved the controlled release of curcumin and antioxidant activity, while the outer layer, PDADMAC, exhibited antibacterial properties. The cell viability tests proved the appropriate biocompatibility of the prepared wound dressings. Moreover, our findings show that incorporation of the coating layers enhances cell migration and provides a favorable surface for cell attachment. According to the findings of this study, the fabricated nanofibrous wound dressing can be considered a promising and effective therapeutic intervention for wound management, facilitating the healing process.
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Affiliation(s)
- Nasrin Salehi
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
| | - Azadeh Ghaee
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
| | - Hanieh Moris
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
- Department of Food Science, College of Agricultural Sciences, The Pennsylvania State University, University Park, PA 16802, United States of America
| | - Sara Derhambakhsh
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
| | - Mehdi Mansour Sharifloo
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
| | - Farzaneh Safshekan
- Department of Mechanical Engineering, Ahrar Institute of Technology and Higher Education, Rasht, Iran
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Benatzy Y, Palmer MA, Brüne B. Arachidonate 15-lipoxygenase type B: Regulation, function, and its role in pathophysiology. Front Pharmacol 2022; 13:1042420. [PMID: 36438817 PMCID: PMC9682198 DOI: 10.3389/fphar.2022.1042420] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 10/26/2022] [Indexed: 10/30/2023] Open
Abstract
As a lipoxygenase (LOX), arachidonate 15-lipoxygenase type B (ALOX15B) peroxidizes polyenoic fatty acids (PUFAs) including arachidonic acid (AA), eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), and linoleic acid (LA) to their corresponding fatty acid hydroperoxides. Distinctive to ALOX15B, fatty acid oxygenation occurs with positional specificity, catalyzed by the non-heme iron containing active site, and in addition to free PUFAs, membrane-esterified fatty acids serve as substrates for ALOX15B. Like other LOX enzymes, ALOX15B is linked to the formation of specialized pro-resolving lipid mediators (SPMs), and altered expression is apparent in various inflammatory diseases such as asthma, psoriasis, and atherosclerosis. In primary human macrophages, ALOX15B expression is associated with cellular cholesterol homeostasis and is induced by hypoxia. Like in inflammation, the role of ALOX15B in cancer is inconclusive. In prostate and breast carcinomas, ALOX15B is attributed a tumor-suppressive role, whereas in colorectal cancer, ALOX15B expression is associated with a poorer prognosis. As the biological function of ALOX15B remains an open question, this review aims to provide a comprehensive overview of the current state of research related to ALOX15B.
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Affiliation(s)
- Yvonne Benatzy
- Faculty of Medicine, Institute of Biochemistry I, Goethe University Frankfurt, Frankfurt, Germany
| | - Megan A. Palmer
- Faculty of Medicine, Institute of Biochemistry I, Goethe University Frankfurt, Frankfurt, Germany
| | - Bernhard Brüne
- Faculty of Medicine, Institute of Biochemistry I, Goethe University Frankfurt, Frankfurt, Germany
- Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt, Germany
- German Cancer Consortium (DKTK), Partner Site Frankfurt, Frankfurt, Germany
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Frankfurt, Germany
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Zhang Q, Feng W, Wang Q, Wang J, Chai L, Chen Y, Wang Y, Liu J, Li M, Xie X. PPARγ activation inhibits PDGF-induced pulmonary artery smooth muscle cell proliferation and migration by modulating TERT. Biomed Pharmacother 2022; 152:113233. [PMID: 35689861 DOI: 10.1016/j.biopha.2022.113233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 05/27/2022] [Accepted: 06/01/2022] [Indexed: 12/01/2022] Open
Abstract
Vascular remodeling is a significant feature of pulmonary artery hypertension (PAH), and is characterized by abnormal proliferation and migration of pulmonary arterial smooth muscle cells (PASMCs). Telomerase reverse transcriptase (TERT), as a determining factor for controlling telomerase activity, has been proven to be associated with cell proliferation. This study aims to explore whether TERT mediates the proliferation and migration of PASMCs and the underlying molecular mechanism. Primary PASMCs from Sprague-Dawley (SD) rats were used in this experiment. Cell proliferation and migration were evaluated by Cell Counting Kit-8, EdU incorporation assay and transwell assay, respectively. Telomerase activity was assessed with a rat TE ELISA kit. Small interfering RNA (siRNA) transfection was conducted to silence c-MYC expression. The protein levels of p-Akt, c-MYC, PPARγ and TERT were determined through western blotting. Our work demonstrates that PDGF upregulated TERT expression and telomerase activation by activating Akt and upregulating of c-MYC in PASMCs. Inhibition of Akt with LY294002, knockdown of c-MYC by siRNA or suppression of telomerase activity with BIBR1532 repressed PDGF-induced PASMC proliferation and migration. Furthermore, activation of peroxisome proliferator-activated receptor γ (PPARγ) with pioglitazone suppressed PDGF-induced TERT expression and telomerase activation, leading to inhibition of PASMC proliferation and migration.
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Affiliation(s)
- Qianqian Zhang
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Wei Feng
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Qingting Wang
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Jian Wang
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Limin Chai
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Yuqian Chen
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Yan Wang
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Jin Liu
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Manxiang Li
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Xinming Xie
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China.
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Xie Y, Lou D, Zhang D. Melatonin Alleviates Age-Associated Endothelial Injury of Atherosclerosis via Regulating Telomere Function. J Inflamm Res 2021; 14:6799-6812. [PMID: 34924765 PMCID: PMC8674670 DOI: 10.2147/jir.s329020] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 11/15/2021] [Indexed: 12/12/2022] Open
Abstract
Background Atherosclerosis is an aging-related disease, partly attributed to telomerase dysfunction. This study aims to investigate whether telomere dysfunction-related vascular aging is involved in the protection mechanism of melatonin (MLT) in atherosclerosis. Methods Young and aged ApoE−/− mice were used to establish atherosclerotic mice model. H&E staining and immunofluorescence assay were performed to detect endothelial cell injury and apoptosis. Inflammatory cytokines and oxidative stress-related factors were determined using corresponding commercial assay kits. Telomerase activity was detected by TRAP assay, and SA-β-gal staining was conducted to evaluate cellular senescence. HUVECs were treated with H2O2 for 1 h to induce senescence. Western blot was performed to measure protein expression. Results An obvious vascular endothelial injury, reflected by excessive production of inflammatory cytokines, elevated ROS, MDA and SOD levels, and more apoptotic endothelial cells, was found in atherosclerotic mice, especially in aged mice, which were then greatly suppressed by MLT. In addition, telomere dysfunction and senescence occurred in atherosclerosis, especially in aged mice, while MLT significantly alleviated the conditions. CYP1A1, one of the targeted genes of MLT, was verified to be upregulated in atherosclerotic mice but downregulated by MLT. Furthermore, H2O2 induced a senescence model in HUVECs, which was accompanied with a remarkably increased cell viability loss and apoptosis rate, and a downregulated telomerase activity of HUVECs, and this phenomenon was strengthened by RHPS4, an inhibitor of telomerase activity. However, MLT could partly abolish these changes in H2O2- and RHPS4-treated HUVECs, demonstrating that MLT alleviated vascular endothelial injury by regulating senescence and telomerase activity. Conclusions Collectively, this study provided evidence for the protective role of MLT in atherosclerosis through regulating telomere dysfunction-related vascular aging.
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Affiliation(s)
- Yinghua Xie
- Department of Geriatrics, Fuzhou NO.1 Hospital Affiliated with Fujian Medical University, Fuzhou, Fujian, 350009, People's Republic of China
| | - Danfei Lou
- Department of Geriatrics, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200071, People's Republic of China
| | - Daimin Zhang
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, 210006, People's Republic of China
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Ruffenach G, O'Connor E, Vaillancourt M, Hong J, Cao N, Sarji S, Moazeni S, Papesh J, Grijalva V, Cunningham CM, Shu L, Chattopadhyay A, Tiwari S, Mercier O, Perros F, Umar S, Yang X, Gomes AV, Fogelman AM, Reddy ST, Eghbali M. Oral 15-Hydroxyeicosatetraenoic Acid Induces Pulmonary Hypertension in Mice by Triggering T Cell-Dependent Endothelial Cell Apoptosis. Hypertension 2020; 76:985-996. [PMID: 32713273 DOI: 10.1161/hypertensionaha.120.14697] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Pulmonary arterial hypertension (PAH) is a fatal disease characterized by increased mean pulmonary arterial pressure. Elevated plasma and lung concentrations of oxidized lipids, including 15-hydroxyeicosatetraenoic acid (15-HETE), have been demonstrated in patients with PAH and animal models. We previously demonstrated that feeding mice with 15-HETE is sufficient to induce pulmonary hypertension, but the mechanisms remain unknown. RNA sequencing data from the mouse lungs on 15-HETE diet revealed significant activation of pathways involved in both antigen processing and presentation and T cell-mediated cytotoxicity. Analysis of human microarray from patients with PAH also identified activation of identical pathways compared with controls. We show that in both 15-HETE-fed mice and patients with PAH, expression of the immunoproteasome subunit 5 is significantly increased, which was concomitant with an increase in the number of CD8/CD69 (cluster of differentiation 8 / cluster of differentiation 69) double-positive cells, as well as pulmonary arterial endothelial cell apoptosis in mice. Human pulmonary arterial endothelial cells cultured with 15-HETE were more prone to apoptosis when exposed to CD8 cells. Cultured intestinal epithelial cells secreted more oxidized lipids in response to 15-HETE, which is consistent with accumulation of circulating oxidized lipids in 15-HETE-fed mice. Administration of an apoA-I (apolipoprotein A-I) mimetic peptide, Tg6F (transgenic 6F), which is known to prevent accumulation of circulating oxidized lipids, not only inhibited pulmonary arterial endothelial cell apoptosis but also prevented and rescued 15-HETE-induced pulmonary hypertension in mice. In conclusion, our results suggest that (1) 15-HETE diet induces pulmonary hypertension by a mechanism that involves oxidized lipid-mediated T cell-dependent pulmonary arterial endothelial cell apoptosis and (2) Tg6F administration may be a novel therapy for treating PAH.
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Affiliation(s)
- Grégoire Ruffenach
- From the Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine (G.R., M.V., J.H., N.C., S.S., S.M., C.M.C., S.U., M.E.)
| | - Ellen O'Connor
- Molecular Toxicology Interdepartmental Degree Program (E.O., S.T.R.)
| | - Mylène Vaillancourt
- From the Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine (G.R., M.V., J.H., N.C., S.S., S.M., C.M.C., S.U., M.E.)
| | - Jason Hong
- From the Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine (G.R., M.V., J.H., N.C., S.S., S.M., C.M.C., S.U., M.E.)
- Department of Medicine, Division of Pulmonary and Critical Care (J.H.)
| | - Nancy Cao
- From the Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine (G.R., M.V., J.H., N.C., S.S., S.M., C.M.C., S.U., M.E.)
| | - Shervin Sarji
- From the Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine (G.R., M.V., J.H., N.C., S.S., S.M., C.M.C., S.U., M.E.)
| | - Shayan Moazeni
- From the Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine (G.R., M.V., J.H., N.C., S.S., S.M., C.M.C., S.U., M.E.)
| | - Jeremy Papesh
- Department of Medicine, Division of Cardiology (J.P., V.G., A.C., A.F., S.T.R.)
| | - Victor Grijalva
- Department of Medicine, Division of Cardiology (J.P., V.G., A.C., A.F., S.T.R.)
| | - Christine M Cunningham
- From the Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine (G.R., M.V., J.H., N.C., S.S., S.M., C.M.C., S.U., M.E.)
| | - Le Shu
- Department of Integrative Biology and Physiology, UCLA, Los Angeles, California (L.S., X.Y.)
| | - Arnab Chattopadhyay
- Department of Medicine, Division of Cardiology (J.P., V.G., A.C., A.F., S.T.R.)
| | - Shuchita Tiwari
- Department of Neurobiology, Physiology and Behavior, UC Davis, Davis, CA (S.T., A.V.G.)
| | - Olaf Mercier
- Department of Thoracic and Vascular Surgery and Heart-Lung Transplantation (O.M.), Marie Lannelongue Hospital, Le Plessis Robinson, France
| | - Frédéric Perros
- andUMR-S 999, INSERM and Université Paris-Sud, Laboratoire d'Excellence en Recherche sur le Médicament et l'Innovation Thérapeutique (F.P.), Marie Lannelongue Hospital, Le Plessis Robinson, France
| | - Soban Umar
- From the Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine (G.R., M.V., J.H., N.C., S.S., S.M., C.M.C., S.U., M.E.)
| | - Xia Yang
- Department of Integrative Biology and Physiology, UCLA, Los Angeles, California (L.S., X.Y.)
| | - Aldrin V Gomes
- Department of Neurobiology, Physiology and Behavior, UC Davis, Davis, CA (S.T., A.V.G.)
| | - Alan M Fogelman
- Department of Medicine, Division of Cardiology (J.P., V.G., A.C., A.F., S.T.R.)
| | - Srinivasa T Reddy
- Molecular Toxicology Interdepartmental Degree Program (E.O., S.T.R.)
- Department of Medicine, Division of Cardiology (J.P., V.G., A.C., A.F., S.T.R.)
| | - Mansoureh Eghbali
- From the Department of Anesthesiology and Perioperative Medicine, Division of Molecular Medicine (G.R., M.V., J.H., N.C., S.S., S.M., C.M.C., S.U., M.E.)
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He S, Ma C, Zhang L, Bai J, Wang X, Zheng X, Zhang J, Xin W, Li Y, Jiang Y, Wang S, Zhu D. GLI1-mediated pulmonary artery smooth muscle cell pyroptosis contributes to hypoxia-induced pulmonary hypertension. Am J Physiol Lung Cell Mol Physiol 2019; 318:L472-L482. [PMID: 31868509 DOI: 10.1152/ajplung.00405.2019] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Pulmonary hypertension (PH) is a clinically common malignant cardiovascular disease. Pyroptosis is a new form of inflammatory cell death that is involved in many disease processes. Glioma-associated oncogene family zinc finger 1 (GLI1) is a transcriptional activator that participates in many diseases, but its role has never been explored in inducing pyroptosis and the progress of PH. In this study, we used an animal model and cell molecular biology to determine the effect of GLI1 on chronic hypoxia-mediated PH progression and pulmonary artery smooth muscle cell (PASMC) pyroptosis. The major findings of the present study are as follows: Hypoxia induced aberrant expression of GLI1. The inhibition of GLI1 attenuated hypoxia-induced PH and PASMC pyroptosis. Meanwhile, GLI1 enhanced apoptosis-associated speck-like protein containing a caspase recruitment domain (ASC) expression by binding with its promoter. GLI1 may promote PASMC pyroptosis through ASC to affect the progression of PH. These findings may identify novel targets for molecular therapy of PH.
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Affiliation(s)
- Siyu He
- Central Laboratory of Harbin Medical University (Daqing), Daqing, People's Republic of China.,College of Pharmacy, Harbin Medical University, Harbin, People's Republic of China
| | - Cui Ma
- Central Laboratory of Harbin Medical University (Daqing), Daqing, People's Republic of China.,College of Medical Laboratory Science and Technology, Harbin Medical University (Daqing), Daqing, People's Republic of China
| | - Lixin Zhang
- Central Laboratory of Harbin Medical University (Daqing), Daqing, People's Republic of China.,College of Medical Laboratory Science and Technology, Harbin Medical University (Daqing), Daqing, People's Republic of China
| | - June Bai
- Central Laboratory of Harbin Medical University (Daqing), Daqing, People's Republic of China.,College of Pharmacy, Harbin Medical University, Harbin, People's Republic of China
| | - Xiaoying Wang
- College of Pharmacy, Harbin Medical University, Harbin, People's Republic of China
| | - Xiaodong Zheng
- Department of Genetics and Cell Biology, Harbin Medical University (Daqing), Daqing, People's Republic of China
| | - Junting Zhang
- Central Laboratory of Harbin Medical University (Daqing), Daqing, People's Republic of China.,College of Pharmacy, Harbin Medical University, Harbin, People's Republic of China
| | - Wei Xin
- Central Laboratory of Harbin Medical University (Daqing), Daqing, People's Republic of China.,College of Pharmacy, Harbin Medical University, Harbin, People's Republic of China
| | - Yiying Li
- Central Laboratory of Harbin Medical University (Daqing), Daqing, People's Republic of China.,College of Pharmacy, Harbin Medical University, Harbin, People's Republic of China
| | - Yuan Jiang
- Central Laboratory of Harbin Medical University (Daqing), Daqing, People's Republic of China.,College of Pharmacy, Harbin Medical University, Harbin, People's Republic of China
| | - Sen Wang
- College of Medical Laboratory Science and Technology, Harbin Medical University (Daqing), Daqing, People's Republic of China
| | - Daling Zhu
- Central Laboratory of Harbin Medical University (Daqing), Daqing, People's Republic of China.,College of Pharmacy, Harbin Medical University, Harbin, People's Republic of China.,State Province Key Laboratories of Biomedicine-Pharmaceutics of China, Daqing, People's Republic of China.,Key Laboratory of Cardiovascular Medicine Research, Ministry of Education, Harbin Medical University, Harbin, People's Republic of China
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Abstract
Pulmonary arterial hypertension (PAH) remains a mysterious killer that, like cancer, is characterized by tremendous complexity. PAH development occurs under sustained and persistent environmental stress, such as inflammation, shear stress, pseudo-hypoxia, and more. After inducing an initial death of the endothelial cells, these environmental stresses contribute with time to the development of hyper-proliferative and apoptotic resistant clone of cells including pulmonary artery smooth muscle cells, fibroblasts, and even pulmonary artery endothelial cells allowing vascular remodeling and PAH development. Molecularly, these cells exhibit many features common to cancer cells offering the opportunity to exploit therapeutic strategies used in cancer to treat PAH. In this review, we outline the signaling pathways and mechanisms described in cancer that drive PAH cells' survival and proliferation and discuss the therapeutic potential of antineoplastic drugs in PAH.
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Affiliation(s)
- Olivier Boucherat
- Pulmonary Hypertension and Vascular Biology Research Group, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Department of Medicine, Québec, Canada
| | - Geraldine Vitry
- Pulmonary Hypertension and Vascular Biology Research Group, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Department of Medicine, Québec, Canada
| | - Isabelle Trinh
- Pulmonary Hypertension and Vascular Biology Research Group, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Department of Medicine, Québec, Canada
| | - Roxane Paulin
- Pulmonary Hypertension and Vascular Biology Research Group, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Department of Medicine, Québec, Canada
| | - Steeve Provencher
- Pulmonary Hypertension and Vascular Biology Research Group, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Department of Medicine, Québec, Canada
| | - Sebastien Bonnet
- Pulmonary Hypertension and Vascular Biology Research Group, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Department of Medicine, Québec, Canada
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10
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Sharma S, Ruffenach G, Umar S, Motayagheni N, Reddy ST, Eghbali M. Role of oxidized lipids in pulmonary arterial hypertension. Pulm Circ 2016; 6:261-73. [PMID: 27683603 DOI: 10.1086/687293] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is a multifactorial disease characterized by interplay of many cellular, molecular, and genetic events that lead to excessive proliferation of pulmonary cells, including smooth muscle and endothelial cells; inflammation; and extracellular matrix remodeling. Abnormal vascular changes and structural remodeling associated with PAH culminate in vasoconstriction and obstruction of pulmonary arteries, contributing to increased pulmonary vascular resistance, pulmonary hypertension, and right ventricular failure. The complex molecular mechanisms involved in the pathobiology of PAH are the limiting factors in the development of potential therapeutic interventions for PAH. Over the years, our group and others have demonstrated the critical implication of lipids in the pathogenesis of PAH. This review specifically focuses on the current understanding of the role of oxidized lipids, lipid metabolism, peroxidation, and oxidative stress in the progression of PAH. This review also discusses the relevance of apolipoprotein A-I mimetic peptides and microRNA-193, which are known to regulate the levels of oxidized lipids, as potential therapeutics in PAH.
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Affiliation(s)
- Salil Sharma
- Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Grégoire Ruffenach
- Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Soban Umar
- Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Negar Motayagheni
- Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Srinivasa T Reddy
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Mansoureh Eghbali
- Division of Molecular Medicine, Department of Anesthesiology, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
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Shen T, Wang N, Yu X, Shi J, Li Q, Zhang C, Fu L, Wang S, Xing Y, Zheng X, Yu L, Zhu D. The Critical Role of Dynamin-Related Protein 1 in Hypoxia-Induced Pulmonary Vascular Angiogenesis. J Cell Biochem 2016; 116:1993-2007. [PMID: 25752284 DOI: 10.1002/jcb.25154] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Accepted: 03/03/2015] [Indexed: 11/09/2022]
Abstract
Pulmonary arterial hypertension (PAH) is a lethal disease characterized by pulmonary vascular obstruction due in part to excessive pulmonary artery endothelial cells (PAECs) migration and proliferation. The mitochondrial fission protein dynamin-related protein-1 (DRP1) has important influence on pulmonary vascular remodeling. However, whether DRP1 participates in the development and progression of pulmonary vascular angiogenesis has not been reported previously. To test the hypothesis that DRP1 promotes the angiogenesis via promoting the proliferation, stimulating migration, and inhibiting the apoptosis of PAECs in mitochondrial Ca(2+)-dependent manner, we performed following studies. Using hemodynamic analysis and morphometric assay, we found that DRP1 mediated the elevation of right ventricular systemic pressure (RVSP), right heart hypertrophy, and increase of pulmonary microvessels induced by hypoxia. DRP1 inhibition reversed tube network formation in vitro stimulated by hypoxia. The mitochondrial Ca(2+) inhibited by hypoxia was recovered by DRP1 silencing. Moreover, pulmonary vascular angiogenesis promoted by DRP1 was reversed by the specific mitochondrial Ca(2+) uniporter inhibitor Ru360. In addition, DRP1 promoted the proliferation and migration of PAECs in mitochondrial Ca(2+)-dependent manner. Besides, DRP1 decreased mitochondrial membrane potential, reduced the DNA fragmentation, and inhibited the caspase-3 activation, which were all aggravated by Ru360. Therefore, these results indicate that the mitochondrial fission machinery promotes migration, facilitates proliferation, and prevents from apoptosis via mitochondrial Ca(2+)-dependent pathway in endothelial cells leading to pulmonary angiogenesis.
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Affiliation(s)
- Tingting Shen
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China
| | - Na Wang
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China
| | - Xiufeng Yu
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China
| | | | | | - Chen Zhang
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China
| | - Li Fu
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China
| | - Shuang Wang
- Biopharmaceutical Key Laboratory of Heilongjiang Province, Harbin Medical University, Harbin, China
| | - Yan Xing
- Department of Pharmacology, College of Basic Medicine, Harbin Medical University, Daqing, China
| | - Xiaodong Zheng
- Department of Pathophysiology, College of Basic Medicine, Harbin Medical University, Daqing, China
| | - Lei Yu
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China
| | - Daling Zhu
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China.,Biopharmaceutical Key Laboratory of Heilongjiang Province, Harbin Medical University, Harbin, China
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Li Q, Mao M, Qiu Y, Liu G, Sheng T, Yu X, Wang S, Zhu D. Key Role of ROS in the Process of 15-Lipoxygenase/15-Hydroxyeicosatetraenoiccid-Induced Pulmonary Vascular Remodeling in Hypoxia Pulmonary Hypertension. PLoS One 2016; 11:e0149164. [PMID: 26871724 PMCID: PMC4752324 DOI: 10.1371/journal.pone.0149164] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Accepted: 01/28/2016] [Indexed: 01/01/2023] Open
Abstract
We previously reported that 15-lipoxygenase (15-LO) and its metabolite 15-hydroxyeicosatetraenoic acid (15-HETE) were up-regulated in pulmonary arterial cells from both pulmonary artery hypertension patients and hypoxic rats and that these factors mediated the progression of pulmonary hypertension (PH) by affecting the proliferation and apoptosis of pulmonary arterial (PA) cells. However, the underlying mechanisms of the remodeling induced by 15-HETE have remained unclear. As reactive oxygen species (ROS) and 15-LO are both induced by hypoxia, it is possible that ROS are involved in the events of hypoxia-induced 15-LO expression that lead to PH. We employed immunohistochemistry, tube formation assays, bromodeoxyuridine (BrdU) incorporation assays, and cell cycle analyses to explore the role of ROS in the process of 15-HETE-mediated hypoxic pulmonary hypertension (HPH). We found that exogenous 15-HETE facilitated the generation of ROS and that this effect was mainly localized to mitochondria. In particular, the mitochondrial electron transport chain and nicotinamide-adenine dinucleotide phosphate oxidase 4 (Nox4) were responsible for the significant 15-HETE-stimulated increase in ROS production. Moreover, ROS induced by 15-HETE stimulated endothelial cell (EC) migration and promoted pulmonary artery smooth muscle cell (PASMC) proliferation under hypoxia via the p38 MAPK pathway. These results indicated that 15-HETE-regulated ROS mediated hypoxia-induced pulmonary vascular remodeling (PVR) via the p38 MAPK pathway.
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Affiliation(s)
- Qian Li
- Department of Pharmaceutical Analysis, College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang Province, China
- Biological Sciences, Purdue University, West Lafayette, Indiana, United States of America
| | - Min Mao
- Department of Pathophysiology, Harbin Medical University-Daqing, Daqing, Heilongjiang Province, China
- Bio-pharmaceutical Key Laboratory of Harbin, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Yanli Qiu
- Department of Pharmaceutical Analysis, College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Gaofeng Liu
- Department of Pharmacy, the Second Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Tingting Sheng
- Department of Pathophysiology, Harbin Medical University-Daqing, Daqing, Heilongjiang Province, China
| | - Xiufeng Yu
- Department of Pathophysiology, Harbin Medical University-Daqing, Daqing, Heilongjiang Province, China
| | - Shuang Wang
- Department of Pharmaceutical Analysis, College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Daling Zhu
- Department of Pathophysiology, Harbin Medical University-Daqing, Daqing, Heilongjiang Province, China
- Bio-pharmaceutical Key Laboratory of Harbin, Harbin Medical University, Harbin, Heilongjiang Province, China
- * E-mail:
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13
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The role of mid-chain hydroxyeicosatetraenoic acids in the pathogenesis of hypertension and cardiac hypertrophy. Arch Toxicol 2015; 90:119-36. [PMID: 26525395 DOI: 10.1007/s00204-015-1620-8] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Accepted: 10/19/2015] [Indexed: 12/16/2022]
Abstract
The incidence, prevalence, and hospitalization rates associated with cardiovascular diseases (CVDs) are projected to increase substantially in the world. Understanding of the biological and pathophysiological mechanisms of survival can help the researchers to develop new management modalities. Numerous experimental studies have demonstrated that mid-chain HETEs are strongly involved in the pathogenesis of the CVDs. Mid-chain HETEs are biologically active eicosanoids that result from the metabolism of arachidonic acid (AA) by both lipoxygenase and CYP1B1 (lipoxygenase-like reaction). Therefore, identifying the localizations and expressions of the lipoxygenase and CYP1B1 and their associated AA metabolites in the cardiovascular system is of major importance in understanding their pathological roles. Generally, the expression of these enzymes is shown to be induced during several CVDs, including hypertension and cardiac hypertrophy. The induction of these enzymes is associated with the generation of mid-chain HETEs and subsequently causation of cardiovascular events. Of interest, inhibiting the formation of mid-chain HETEs has been reported to confer a protection against different cardiac hypertrophy and hypertension models such as angiotensin II, Goldblatt, spontaneously hypertensive rat and deoxycorticosterone acetate (DOCA)-salt-induced models. Although the exact mechanisms of mid-chain HETEs-mediated cardiovascular dysfunction are not fully understood, the present review proposes several mechanisms which include activating G-protein-coupled receptor, protein kinase C, mitogen-activated protein kinases, and nuclear factor kappa B. This review provides a clear understanding of the role of mid-chain HETEs in the pathogenesis of cardiovascular diseases and their importance as novel targets in the treatment for hypertension and cardiac hypertrophy.
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14
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Shen T, Shi J, Wang N, Yu X, Zhang C, Li J, Wei L, Ma C, Zhao X, Lian M, Jiang C, Zhu D. 15-Lipoxygenase and 15-hydroxyeicosatetraenoic acid regulate intravascular thrombosis in pulmonary hypertension. Am J Physiol Lung Cell Mol Physiol 2015; 309:L449-62. [PMID: 26092993 DOI: 10.1152/ajplung.00004.2015] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Accepted: 06/12/2015] [Indexed: 02/08/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is a disease characterized by thickening of pulmonary artery walls, elevated pulmonary vascular resistance, pulmonary vascular thrombotic lesions, and right heart failure. Recent studies suggest that 15-lipoxygenase (15-LO)/15-hydroxyeicosatetraenoic acid (15-HETE) play an important role in PAH, acting on arterial walls. Here, we show evidence for the action of the 15-LO/15-HETE signaling in the pulmonary vascular thrombotic lesions in the experimental PAH models. Platelet deposition was augmented in rats exposed to hypoxia and Sugen 5416, which were both prevented by nordihydroguaiaretic acid (NDGA), a 15-LO inhibitor. Chronic hypoxic resulted in the platelet deposition specifically in pulmonary vasculature, which was reversed by 15-LO inhibitor. The 15-LO pathway mediated in the endothelial dysfunction induced by hypoxia in vivo. Meanwhile, 15-HETE positively regulated the generation of IL-6 and monocyte chemoattractant protein-1 (MCP-1). The coagulation and platelet activation induced by hypoxia were reversed by 15-LO inhibitor NDGA or the MCP-1 inhibitor synthesis inhibitor bindarit in rats. The 15-LO/15-HETE signaling promoted the coagulation and platelet activation, which was suppressed by MCP-1 inhibition. These results therefore suggest that 15-LO/15-HETE signaling plays a role in platelet activation and pulmonary vascular thrombosis in PAH, involving MCP-1.
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Affiliation(s)
- Tingting Shen
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China
| | - Jiucheng Shi
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China
| | - Na Wang
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China
| | - Xiufeng Yu
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China
| | - Chen Zhang
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China
| | - Jing Li
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China
| | - Liuping Wei
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China
| | - Cui Ma
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China
| | - Xijuan Zhao
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China
| | - Mingming Lian
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China
| | - Chun Jiang
- Biology Department, Georgia State University, Atlanta, Georgia
| | - Daling Zhu
- Department of Biopharmaceutical Sciences, College of Pharmacy, Harbin Medical University (Daqing), Daqing, China; Biopharmaceutical Key Laboratory of Heilongjiang Province, Harbin Medical University, Harbin, China; and
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