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Shishkova D, Lobov A, Repkin E, Markova V, Markova Y, Sinitskaya A, Sinitsky M, Kondratiev E, Torgunakova E, Kutikhin A. Calciprotein Particles Induce Cellular Compartment-Specific Proteome Alterations in Human Arterial Endothelial Cells. J Cardiovasc Dev Dis 2023; 11:5. [PMID: 38248875 PMCID: PMC10816121 DOI: 10.3390/jcdd11010005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 01/23/2024] Open
Abstract
Calciprotein particles (CPPs) are indispensable scavengers of excessive Ca2+ and PO43- ions in blood, being internalised and recycled by liver and spleen macrophages, monocytes, and endothelial cells (ECs). Here, we performed a pathway enrichment analysis of cellular compartment-specific proteomes in primary human coronary artery ECs (HCAEC) and human internal thoracic artery ECs (HITAEC) treated with primary (amorphous) or secondary (crystalline) CPPs (CPP-P and CPPs, respectively). Exposure to CPP-P and CPP-S induced notable upregulation of: (1) cytokine- and chemokine-mediated signaling, Ca2+-dependent events, and apoptosis in cytosolic and nuclear proteomes; (2) H+ and Ca2+ transmembrane transport, generation of reactive oxygen species, mitochondrial outer membrane permeabilisation, and intrinsic apoptosis in the mitochondrial proteome; (3) oxidative, calcium, and endoplasmic reticulum (ER) stress, unfolded protein binding, and apoptosis in the ER proteome. In contrast, transcription, post-transcriptional regulation, translation, cell cycle, and cell-cell adhesion pathways were underrepresented in cytosol and nuclear compartments, whilst biosynthesis of amino acids, mitochondrial translation, fatty acid oxidation, pyruvate dehydrogenase activity, and energy generation were downregulated in the mitochondrial proteome of CPP-treated ECs. Differentially expressed organelle-specific pathways were coherent in HCAEC and HITAEC and between ECs treated with CPP-P or CPP-S. Proteomic analysis of mitochondrial and nuclear lysates from CPP-treated ECs confirmed bioinformatic filtration findings.
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Affiliation(s)
- Daria Shishkova
- Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, 6 Sosnovy Boulevard, 650002 Kemerovo, Russia; (D.S.); (V.M.); (Y.M.); (A.S.); (M.S.); (E.K.); (E.T.)
| | - Arseniy Lobov
- Laboratory of Regenerative Biomedicine, Institute of Cytology of the RAS, 4 Tikhoretskiy Prospekt, 194064 St. Petersburg, Russia;
| | - Egor Repkin
- Centre for Molecular and Cell Technologies, St. Petersburg State University, Universitetskaya Embankment, 7/9, 199034 St. Petersburg, Russia;
| | - Victoria Markova
- Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, 6 Sosnovy Boulevard, 650002 Kemerovo, Russia; (D.S.); (V.M.); (Y.M.); (A.S.); (M.S.); (E.K.); (E.T.)
| | - Yulia Markova
- Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, 6 Sosnovy Boulevard, 650002 Kemerovo, Russia; (D.S.); (V.M.); (Y.M.); (A.S.); (M.S.); (E.K.); (E.T.)
| | - Anna Sinitskaya
- Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, 6 Sosnovy Boulevard, 650002 Kemerovo, Russia; (D.S.); (V.M.); (Y.M.); (A.S.); (M.S.); (E.K.); (E.T.)
| | - Maxim Sinitsky
- Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, 6 Sosnovy Boulevard, 650002 Kemerovo, Russia; (D.S.); (V.M.); (Y.M.); (A.S.); (M.S.); (E.K.); (E.T.)
| | - Egor Kondratiev
- Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, 6 Sosnovy Boulevard, 650002 Kemerovo, Russia; (D.S.); (V.M.); (Y.M.); (A.S.); (M.S.); (E.K.); (E.T.)
| | - Evgenia Torgunakova
- Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, 6 Sosnovy Boulevard, 650002 Kemerovo, Russia; (D.S.); (V.M.); (Y.M.); (A.S.); (M.S.); (E.K.); (E.T.)
| | - Anton Kutikhin
- Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, 6 Sosnovy Boulevard, 650002 Kemerovo, Russia; (D.S.); (V.M.); (Y.M.); (A.S.); (M.S.); (E.K.); (E.T.)
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Li N, Cheng Y, Jin T, Cao L, Zha J, Zhu X, He Q. Kaempferol and ginsenoside Rg1 ameliorate acute hypobaric hypoxia induced lung injury based on network pharmacology analysis. Toxicol Appl Pharmacol 2023; 480:116742. [PMID: 37923178 DOI: 10.1016/j.taap.2023.116742] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 10/19/2023] [Accepted: 10/29/2023] [Indexed: 11/07/2023]
Abstract
Acute hypobaric hypoxia at high altitude can cause fatal non-cardiogenic high altitude pulmonary edema. Anti-inflammatory and anti-oxidant treatments appear to be a prospective way to alleviate acute hypoxia lung injury. Kaempferol (KA) and ginsenoside Rg1 (GRg1) can be isolated and purified from ginseng with anti-inflammatory, antioxidant, anti-carcinogenic, neuroprotective, and antiaging effects. However, their effects and pharmacological mechanisms on lung injury remains unclear. Network pharmacology analyses were used to explore potential targets of KA and GRg1 against acute hypobaric hypoxia induced lung injury. Rat lung tissues were further used for animal experiment verification. Among the putative targets of KA and GRg1 for inhibition of acute hypobaric hypoxia induced lung injury, AKT1, PIK3R1, PTK2, STAT3, HSP90AA1 and AKT2 were recognized as higher interrelated targets. And PI3K-AKT signaling pathway is considered to be the most important and relevant pathway. The rat experimental results showed that KA and GRg1 significantly improved histopathological changes and decreased pulmonary edema in rats with lung injury caused by acute hypobaric hypoxia. The concentrations of IL-6, TNF-α, MDA, SOD and CAT in rats treated with KA and GRg1 were significantly ameliorated. Protein and mRNA levels of PI3K and AKTI were significantly inhibited after KA administration. KA and GRg1 can lower lung water content, improve lung tissue damage, reduce the production of pro-inflammatory cytokines and the oxidative stress level.
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Affiliation(s)
- Na Li
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, China
| | - Yuan Cheng
- Department of Intensive Care Medicine, The Third People's Hospital of Chengdu/Affiliated Hospital of Southwest Jiaotong University, Chengdu, China
| | - Tao Jin
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, China
| | - Lirui Cao
- Department of Intensive Care Medicine, The Third People's Hospital of Chengdu/Affiliated Hospital of Southwest Jiaotong University, Chengdu, China
| | - Jieyu Zha
- Department of Intensive Care Medicine, The Third People's Hospital of Chengdu/Affiliated Hospital of Southwest Jiaotong University, Chengdu, China
| | - Xiong Zhu
- Department of Critical Care Medicine, Zhuhai People's Hospital, Zhuhai, Guangdong, China
| | - Qing He
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, China; Department of Intensive Care Medicine, The Third People's Hospital of Chengdu/Affiliated Hospital of Southwest Jiaotong University, Chengdu, China.
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Yan Q, Liu S, Sun Y, Chen C, Yang S, Lin M, Long J, Yao J, Lin Y, Yi F, Meng L, Tan Y, Ai Q, Chen N, Yang Y. Targeting oxidative stress as a preventive and therapeutic approach for cardiovascular disease. J Transl Med 2023; 21:519. [PMID: 37533007 PMCID: PMC10394930 DOI: 10.1186/s12967-023-04361-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 07/16/2023] [Indexed: 08/04/2023] Open
Abstract
Cardiovascular diseases (CVDs) continue to exert a significant impact on global mortality rates, encompassing conditions like pulmonary arterial hypertension (PAH), atherosclerosis (AS), and myocardial infarction (MI). Oxidative stress (OS) plays a crucial role in the pathogenesis and advancement of CVDs, highlighting its significance as a contributing factor. Maintaining an equilibrium between reactive oxygen species (ROS) and antioxidant systems not only aids in mitigating oxidative stress but also confers protective benefits on cardiac health. Herbal monomers can inhibit OS in CVDs by activating multiple signaling pathways, such as increasing the activity of endogenous antioxidant systems and decreasing the level of ROS expression. Given the actions of herbal monomers to significantly protect the normal function of the heart and reduce the damage caused by OS to the organism. Hence, it is imperative to recognize the significance of herbal monomers as prospective therapeutic interventions for mitigating oxidative damage in CVDs. This paper aims to comprehensively review the origins and mechanisms underlying OS, elucidate the intricate association between CVDs and OS, and explore the therapeutic potential of antioxidant treatment utilizing herbal monomers. Furthermore, particular emphasis will be placed on examining the cardioprotective effects of herbal monomers by evaluating their impact on cardiac signaling pathways subsequent to treatment.
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Affiliation(s)
- Qian Yan
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Shasha Liu
- Department of Pharmacy, Changsha Hospital for Matemal&Child Health Care, Changsha, People's Republic of China
| | - Yang Sun
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Chen Chen
- Department of Pharmacy, The First Hospital of Lanzhou University, Lanzhou, 730000, China
| | - Songwei Yang
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Meiyu Lin
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Junpeng Long
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Jiao Yao
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Yuting Lin
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Fan Yi
- Key Laboratory of Cosmetic, China National Light Industry, Beijing Technology and Business University, Beijing, 100048, China
| | - Lei Meng
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Yong Tan
- Department of Nephrology, Xiangtan Central Hospital, Xiangtan, 411100, China
| | - Qidi Ai
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China.
| | - Naihong Chen
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China.
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China.
| | - Yantao Yang
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China.
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Vestuto V, Di Sarno V, Musella S, Di Dona G, Moltedo O, Gomez-Monterrey IM, Bertamino A, Ostacolo C, Campiglia P, Ciaglia T. New Frontiers on ER Stress Modulation: Are TRP Channels the Leading Actors? Int J Mol Sci 2022; 24:185. [PMID: 36613628 PMCID: PMC9820239 DOI: 10.3390/ijms24010185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/15/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022] Open
Abstract
The endoplasmic reticulum (ER) is a dynamic structure, playing multiple roles including calcium storage, protein synthesis and lipid metabolism. During cellular stress, variations in ER homeostasis and its functioning occur. This condition is referred as ER stress and generates a cascade of signaling events termed unfolded protein response (UPR), activated as adaptative response to mitigate the ER stress condition. In this regard, calcium levels play a pivotal role in ER homeostasis and therefore in cell fate regulation since calcium signaling is implicated in a plethora of physiological processes, but also in disease conditions such as neurodegeneration, cancer and metabolic disorders. A large body of emerging evidence highlighted the functional role of TRP channels and their ability to promote cell survival or death depending on endoplasmic reticulum stress resolution, making them an attractive target. Thus, in this review we focused on the TRP channels' correlation to UPR-mediated ER stress in disease pathogenesis, providing an overview of their implication in the activation of this cellular response.
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Affiliation(s)
- Vincenzo Vestuto
- Department of Pharmacy, University of Salerno, Via G. Paolo II, 84084 Fisciano, SA, Italy
| | - Veronica Di Sarno
- Department of Pharmacy, University of Salerno, Via G. Paolo II, 84084 Fisciano, SA, Italy
| | - Simona Musella
- Department of Pharmacy, University of Salerno, Via G. Paolo II, 84084 Fisciano, SA, Italy
| | - Giorgio Di Dona
- Pineta Grande Hospital, Via Domiziana, km 30/00, 81030 Castel Volturno, CE, Italy
| | - Ornella Moltedo
- Department of Pharmacy, University of Salerno, Via G. Paolo II, 84084 Fisciano, SA, Italy
| | | | - Alessia Bertamino
- Department of Pharmacy, University of Salerno, Via G. Paolo II, 84084 Fisciano, SA, Italy
| | - Carmine Ostacolo
- Department of Pharmacy, University of Salerno, Via G. Paolo II, 84084 Fisciano, SA, Italy
- Department of Pharmacy, University of Naples Federico II, Via D. Montesano 49, 80131 Napoli, NA, Italy
| | - Pietro Campiglia
- Department of Pharmacy, University of Salerno, Via G. Paolo II, 84084 Fisciano, SA, Italy
- European Biomedical Research Institute of Salerno, Via S. De Renzi 50, 84125 Salerno, SA, Italy
| | - Tania Ciaglia
- Department of Pharmacy, University of Salerno, Via G. Paolo II, 84084 Fisciano, SA, Italy
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Campeau MA, Leask RL. Empagliflozin mitigates endothelial inflammation and attenuates endoplasmic reticulum stress signaling caused by sustained glycocalyx disruption. Sci Rep 2022; 12:12681. [PMID: 35879337 PMCID: PMC9314417 DOI: 10.1038/s41598-022-16763-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 07/14/2022] [Indexed: 11/09/2022] Open
Abstract
The disruption of the endothelial cell (EC) glycocalyx (GCX) leads to cellular dysfunction promoting inflammation and cardiovascular disease progression. Recent studies have shown that empagliflozin (EMPA; Jardiance), a sodium-glucose cotransporter 2 inhibitor used in the treatment of type 2 diabetes, can improve EC functions impacted by GCX disruption although the exact cellular mechanisms remain to be elucidated. In this study, the effect of EMPA on EC inflammatory response induced by sustained GCX disruption was investigated. Human aortic ECs were cultured under shear (10 dyne/cm2) for 24 h with or without sustained degradation of heparan sulfate (HS). HS degradation increased inflammatory cell adhesion to ECs. EMPA (50 μM) normalized adhesion levels under sustained HS degradation. Protein expressions of eNOS, phospho-eNOS Ser1177 and ICAM-1 remained unchanged between conditions. Transcriptome analysis revealed the induction of the unfolded protein response (UPR) through the increased expression of ATF3, ATF4, DDIT3 (CHOP), EIF2AK3 (PERK), HSPA5 (Grp78), PPP1R15A (GADD34) and TRIB3 which was in part downregulated by EMPA. mRNA and protein expression of thioredoxin interacting protein (TXNIP) was also downregulated by EMPA. Mitigation of oxidative stress with N-Acetyl-L-cysteine resulted in similar reduction in inflammatory cell adhesion compared to EMPA which could indicate a potential mechanism by which EMPA normalized the inflammatory response. In conclusion, this study demonstrated the potential of EMPA to resolve the inflammatory response of ECs caused by sustained GCX disruption while altering UPR signaling under endoplasmic reticulum stress.
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Affiliation(s)
| | - Richard L Leask
- Department of Chemical Engineering, McGill University, Montreal, QC, Canada. .,McGill University Health Centre, Montreal, QC, Canada.
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Pena E, El Alam S, Siques P, Brito J. Oxidative Stress and Diseases Associated with High-Altitude Exposure. Antioxidants (Basel) 2022; 11:267. [PMID: 35204150 PMCID: PMC8868315 DOI: 10.3390/antiox11020267] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/11/2022] [Accepted: 01/13/2022] [Indexed: 12/12/2022] Open
Abstract
Several diseases associated with high-altitude exposure affect unacclimated individuals. These diseases include acute mountain sickness (AMS), high-altitude cerebral edema (HACE), high-altitude pulmonary edema (HAPE), chronic mountain sickness (CMS), and, notably, high-altitude pulmonary hypertension (HAPH), which can eventually lead to right ventricle hypertrophy and heart failure. The development of these pathologies involves different molecules and molecular pathways that might be related to oxidative stress. Studies have shown that acute, intermittent, and chronic exposure to hypobaric hypoxia induce oxidative stress, causing alterations to molecular pathways and cellular components (lipids, proteins, and DNA). Therefore, the aim of this review is to discuss the oxidative molecules and pathways involved in the development of high-altitude diseases. In summary, all high-altitude pathologies are related to oxidative stress, as indicated by increases in the malondialdehyde (MDA) biomarker and decreases in superoxide dismutase (SOD) and glutathione peroxidase (GPx) antioxidant activity. In addition, in CMS, the levels of 8-iso-PGF2α and H2O2 are increased, and evidence strongly indicates an increase in Nox4 activity in HAPH. Therefore, antioxidant treatments seem to be a promising approach to mitigating high-altitude pathologies.
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Affiliation(s)
- Eduardo Pena
- Institute of Health Studies, Arturo Prat University, Iquique 1100000, Chile; (E.P.); (P.S.); (J.B.)
| | - Samia El Alam
- Institute of Health Studies, Arturo Prat University, Iquique 1100000, Chile; (E.P.); (P.S.); (J.B.)
| | - Patricia Siques
- Institute of Health Studies, Arturo Prat University, Iquique 1100000, Chile; (E.P.); (P.S.); (J.B.)
| | - Julio Brito
- Institute of Health Studies, Arturo Prat University, Iquique 1100000, Chile; (E.P.); (P.S.); (J.B.)
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Gu QL, Jiang P, Ruan HF, Tang H, Liang YB, Ma ZF, Zhan H. The expression of oxidative stress genes related to myocardial ischemia reperfusion injury in patients with ST-elevation myocardial infarction. World J Emerg Med 2022; 13:106-113. [PMID: 35237363 PMCID: PMC8861342 DOI: 10.5847/wjem.j.1920-8642.2022.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 12/20/2020] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND We aimed to investigate the gene expression of myocardial ischemia/reperfusion injury (MIRI) in patients with acute ST-elevation myocardial infarction (STEMI) using stress and toxicity pathway gene chip technology and try to determine the underlying mechanism. METHODS The mononuclear cells were separated by ficoll centrifugation, and plasma total antioxidant capacity (T-AOC) was determined by the ferric reducing ability of plasma (FRAP) assay. The expression of toxic oxidative stress genes was determined and verified by oligo gene chip and quantitative real-time polymerase chain reaction (qRT-PCR). Additionally, gene ontology (GO) enrichment analysis was performed on DAVID website to analyze the potential mechanism further. RESULTS The total numbers of white blood cells (WBC) and neutrophils (N) in the peripheral blood of STEMI patients (the AMI group) were significantly higher than those in the control group (WBC: 11.67±4.85 ×109/L vs. 6.41±0.72 ×109/L, P<0.05; N: 9.27±4.75 ×109/L vs. 3.89±0.81 ×109/L, P<0.05), and WBCs were significantly associated with creatine kinase-myocardial band (CK-MB) on the first day (Y=8.945+0.018X, P<0.05). In addition, the T-AOC was significantly lower in the AMI group comparing to the control group (12.80±1.79 U/mL vs. 20.48±2.55 U/mL, P<0.05). According to the gene analysis, eight up-regulated differentially expressed genes (DEGs) included GADD45A, PRDX2, HSPD1, DNAJB1, DNAJB2, RAD50, TNFSF6, and TRADD. Four down-regulated DEGs contained CCNG1, CAT, CYP1A1, and ATM. TNFSF6 and CYP1A1 were detected by polymerase chain reaction (PCR) to verify the expression at different time points, and the results showed that TNFSF6 was up-regulated and CYP1A1 was down-regulated as the total expression. GO and kyoto encyclopedia of genes and genomes (KEGG) enrichment analysis suggested that the oxidative stress genes mediate MIRI via various ways such as unfolded protein response (UPR) and apoptosis. CONCLUSIONS WBCs, especially neutrophils, were the critical cells that mediating reperfusion injury. MIRI was regulated by various genes, including oxidative metabolic stress, heat shock, DNA damage and repair, and apoptosis-related genes. The underlying pathway may be associated with UPR and apoptosis, which may be the novel therapeutic target.
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Affiliation(s)
- Qian-lin Gu
- Emergency Department, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou 510000, China
| | - Peng Jiang
- Emergency Department, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou 510000, China
| | - Hui-fen Ruan
- Huangpu District Emergency Department, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou 510000, China
| | - Hao Tang
- Emergency Department, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou 510000, China
| | - Yang-bing Liang
- Emergency Department, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou 510000, China
| | - Zhong-fu Ma
- Emergency Department, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou 510000, China
| | - Hong Zhan
- Emergency Department, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou 510000, China
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Adeshakin FO, Adeshakin AO, Liu Z, Cheng J, Zhang P, Yan D, Zhang G, Wan X. Targeting Oxidative Phosphorylation-Proteasome Activity in Extracellular Detached Cells Promotes Anoikis and Inhibits Metastasis. Life (Basel) 2021; 12:life12010042. [PMID: 35054435 PMCID: PMC8779336 DOI: 10.3390/life12010042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 12/14/2021] [Accepted: 12/15/2021] [Indexed: 12/30/2022] Open
Abstract
Metastasis arises owing to tumor cells’ capacity to evade pro-apoptotic signals. Anoikis—the apoptosis of detached cells (from the extracellular matrix (ECM)) is often circumvented by metastatic cells as a result of biochemical and molecular transformations. These facilitate cells’ ability to survive, invade and reattach to secondary sites. Here, we identified deregulated glucose metabolism, oxidative phosphorylation, and proteasome in anchorage-independent cells compared to adherent cells. Metformin an anti-diabetic drug that reduces blood glucose (also known to inhibit mitochondrial Complex I), and proteasome inhibitors were employed to target these changes. Metformin or proteasome inhibitors alone increased misfolded protein accumulation, sensitized tumor cells to anoikis, and impaired pulmonary metastasis in the B16F10 melanoma model. Mechanistically, metformin reduced cellular ATP production, activated AMPK to foster pro-apoptotic unfolded protein response (UPR) through enhanced expression of CHOP in ECM detached cells. Furthermore, AMPK inhibition reduced misfolded protein accumulation, thus highlight relevance of AMPK activation in facilitating metformin-induced stress and UPR cell death. Our findings provide insights into the molecular biology of anoikis resistance and identified metformin and proteasome inhibitors as potential therapeutic options for tumor metastasis.
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Affiliation(s)
- Funmilayo O. Adeshakin
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (F.O.A.); (A.O.A.); (Z.L.); (J.C.); (P.Z.); (D.Y.)
- University of Chinese Academy of Sciences, Beijing 100864, China
| | - Adeleye O. Adeshakin
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (F.O.A.); (A.O.A.); (Z.L.); (J.C.); (P.Z.); (D.Y.)
- University of Chinese Academy of Sciences, Beijing 100864, China
| | - Zhao Liu
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (F.O.A.); (A.O.A.); (Z.L.); (J.C.); (P.Z.); (D.Y.)
| | - Jian Cheng
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (F.O.A.); (A.O.A.); (Z.L.); (J.C.); (P.Z.); (D.Y.)
| | - Pengchao Zhang
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (F.O.A.); (A.O.A.); (Z.L.); (J.C.); (P.Z.); (D.Y.)
- University of Chinese Academy of Sciences, Beijing 100864, China
| | - Dehong Yan
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (F.O.A.); (A.O.A.); (Z.L.); (J.C.); (P.Z.); (D.Y.)
- University of Chinese Academy of Sciences, Beijing 100864, China
| | - Guizhong Zhang
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (F.O.A.); (A.O.A.); (Z.L.); (J.C.); (P.Z.); (D.Y.)
- Correspondence: (G.Z.); (X.W.)
| | - Xiaochun Wan
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (F.O.A.); (A.O.A.); (Z.L.); (J.C.); (P.Z.); (D.Y.)
- University of Chinese Academy of Sciences, Beijing 100864, China
- Correspondence: (G.Z.); (X.W.)
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Chen CA, Chang JM, Chen HC, Chang EE. Generation of endoplasmic reticulum stress-dependent reactive oxygen species mediates TGF-β1-induced podocyte migration. J Biochem 2021; 171:305-314. [PMID: 34993544 DOI: 10.1093/jb/mvab128] [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: 11/17/2021] [Accepted: 11/05/2021] [Indexed: 11/13/2022] Open
Abstract
Podocyte migration results in proteinuria and glomerulonephropathy. Transforming growth factor-β1 (TGF-β1), endoplasmic reticulum (ER) stress and reactive oxygen species (ROS) can mediate podocyte migration; however, the crosstalk between them is unclear. ThisGraphical Abstract study determined the relationships between these factors. ER stress biomarkers (GRP78, p-eIF2α or CHOP), intracellular ROS generation, integrin-β3 and cell adhesion and migration were studied in a treatment of experiment using TGF-β1 with and without the ER stress inhibitors: 4-phenylbutyric acid (4-PBA, a chemical chaperone), salubrinal (an eIF2α dephosphorylation inhibitor) and N-acetylcysteine (NAC, an antioxidant). ER stress biomarkers (p-eIF2α/eIF2α and GRP78), ROS generation and intergrin-β3 expression increased after TGF-β1 treatment. NAC down-regulated the expression of GRP78 after TGF-β1 treatment. 4-PBA attenuated TGF-β1-induced p-eIF2α/eIF2α, CHOP, ROS generation and intergrin-β3 expression. However, salubrinal did not inhibit TGF-β1-induced p-eIF2α/eIF2α, CHOP, ROS generation or integrin-β3 expression. NAC abrogated TGF-β1-induced integrin-β3 expression. At 24 h after treatment with TGF-β1, podocyte adhesion and migration increased. Furthermore, NAC, 4-PBA and an anti-interin-β3 antibody attenuated TGF-β1-induced podocyte adhesion and migration. This study demonstrated that TGF-β1-induced ER stress potentiates the generation of intracellular ROS to a high degree through the PERK/eIF2α/CHOP pathway. This intracellular ROS then mediates integrin-β3 expression, which regulates podocyte migration.
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Affiliation(s)
- Chien-An Chen
- Department of Nephrology, Tainan Sinlau Hospital, Tainan 701, Taiwan.,Department of Health Care Administration, College of Health Discipline, Chang Jung Christian University, Tainan 711, Taiwan
| | - Jer-Ming Chang
- Department of Nephrology, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Hung-Chun Chen
- Department of Nephrology, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Eddy-Essen Chang
- Department of Nephrology, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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10
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Carluccio MA, Martinelli R, Massaro M, Calabriso N, Scoditti E, Maffia M, Verri T, Gatta V, De Caterina R. Nutrigenomic Effect of Hydroxytyrosol in Vascular Endothelial Cells: A Transcriptomic Profile Analysis. Nutrients 2021; 13:nu13113990. [PMID: 34836245 PMCID: PMC8623349 DOI: 10.3390/nu13113990] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 10/29/2021] [Accepted: 11/03/2021] [Indexed: 12/14/2022] Open
Abstract
Hydroxytyrosol (HT), a peculiar olive and olive oil phenolic antioxidant, plays a significant role in the endothelial and cardiovascular protection associated with olive oil consumption. However, studies examining the effects of HT on the whole-genome expression of endothelial cells, which are prominent targets for vasculo-protective effects of olive oil polyphenols, have been lacking. This study aims to comprehensively evaluate the genomic effects exerted by HT, at the transcriptional level, in endothelial cells under resting or proinflammatory conditions. Human umbilical vein endothelial cells (HUVECs) were treated with 10 µmol/L HT for 1 h and then stimulated with 5 ng/mL interleukin (IL)-1β for 3 h. Total RNA was extracted, and gene expression profile assessed with microarray analysis. Functional enrichment analysis and pathway analysis were performed by Ingenuity Pathways Analysis. Microarray data were validated by qRT-PCR. Fixing a significance threshold at 1.5-fold change, HT affected the expression of 708 and 599 genes, respectively, in HUVECs under resting and IL-1β-stimulated conditions; among these, 190 were common to both conditions. Unfolded protein response (UPR) and endoplasmic reticulum stress resulted from the two top canonical pathways common between HT and HT-IL-1β affected genes. IL-17F/A signaling was found in the top canonical pathways of HT modified genes under resting unstimulated conditions, whereas cardiac hypertrophy signaling was identified among the pathways affected by HT-IL-1β. The transcriptomic analysis allowed pinpointing immunological, inflammatory, proliferative, and metabolic-related pathways as the most affected by HT in endothelial cells. It also revealed previously unsuspected genes and related gene pathways affected by HT, thus broadening our knowledge of its biological properties. The unbiased identification of novel genes regulated by HT improves our understanding of mechanisms by which olive oil prevents or attenuates inflammatory diseases and identifies new genes to be enquired as potential contributors to the inter-individual variation in response to functional food consumption.
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Affiliation(s)
- Maria Annunziata Carluccio
- National Research Council (CNR) Institute of Clinical Physiology (IFC), Campus Ecotekne, Via Monteroni, 73100 Lecce, Italy; (M.M.); (N.C.); (E.S.)
- Correspondence: (M.A.C.); (R.D.C.)
| | - Rosanna Martinelli
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, Via Salvador Allende, 84081 Baronissi, Salerno, Italy;
| | - Marika Massaro
- National Research Council (CNR) Institute of Clinical Physiology (IFC), Campus Ecotekne, Via Monteroni, 73100 Lecce, Italy; (M.M.); (N.C.); (E.S.)
| | - Nadia Calabriso
- National Research Council (CNR) Institute of Clinical Physiology (IFC), Campus Ecotekne, Via Monteroni, 73100 Lecce, Italy; (M.M.); (N.C.); (E.S.)
| | - Egeria Scoditti
- National Research Council (CNR) Institute of Clinical Physiology (IFC), Campus Ecotekne, Via Monteroni, 73100 Lecce, Italy; (M.M.); (N.C.); (E.S.)
| | - Michele Maffia
- Department of Biological and Environmental Science and Technology (DISTEBA), Campus Ecotekne, University of Salento, Via Monteroni, 73100 Lecce, Italy; (M.M.); (T.V.)
| | - Tiziano Verri
- Department of Biological and Environmental Science and Technology (DISTEBA), Campus Ecotekne, University of Salento, Via Monteroni, 73100 Lecce, Italy; (M.M.); (T.V.)
| | - Valentina Gatta
- Department of Psychological, Health and Territorial Sciences, School of Medicine and Health Sciences, “G. d’Annunzio” University, 66100 Chieti, Italy;
| | - Raffaele De Caterina
- Cardiology Division, Pisa University Hospital, 56124 Pisa, Italy
- Correspondence: (M.A.C.); (R.D.C.)
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11
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MYC Rules: Leading Glutamine Metabolism toward a Distinct Cancer Cell Phenotype. Cancers (Basel) 2021; 13:cancers13174484. [PMID: 34503295 PMCID: PMC8431116 DOI: 10.3390/cancers13174484] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 08/31/2021] [Accepted: 09/03/2021] [Indexed: 12/28/2022] Open
Abstract
Simple Summary In the last decade, metabolic reprogramming has emerged as a driving characteristic of cancer cells. The MYC oncogene, a transcription factor, has become of growing interest as a fundamental driver of differential cancer cell metabolism. Furthermore, the non-essential amino acid glutamine is deemed to be an important nutrient for cancer cells. In fact, glutamine can integrate into a wide variety of metabolic pathways, from energy metabolism to nucleotide synthesis. This review offers a comprehensive and specific overview of recent discoveries in the regulation of MYC oncogene activation on glutamine metabolism in cancer cells. Abstract Metabolic reprogramming and deregulated cellular energetics are hallmarks of cancer. The aberrant metabolism of cancer cells is thought to be the product of differential oncogene activation and tumor suppressor gene inactivation. MYC is one of the most important oncogenic drivers, its activation being reported in a variety of cancer types and sub-types, among which are the most prevalent and aggressive of all malignancies. This review aims to offer a comprehensive overview and highlight the importance of the c-Myc transcription factor on the regulation of metabolic pathways, in particular that of glutamine and glutaminolysis. Glutamine can be extensively metabolized into a variety of substrates and be integrated in a complex metabolic network inside the cell, from energy metabolism to nucleotide and non-essential amino acid synthesis. Together, understanding metabolic reprogramming and its underlying genetic makeup, such as MYC activation, allows for a better understanding of the cancer cell phenotype and thus of the potential vulnerabilities of cancers from a metabolic standpoint.
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12
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Vilas-Boas EA, Carlein C, Nalbach L, Almeida DC, Ampofo E, Carpinelli AR, Roma LP, Ortis F. Early Cytokine-Induced Transient NOX2 Activity Is ER Stress-Dependent and Impacts β-Cell Function and Survival. Antioxidants (Basel) 2021; 10:antiox10081305. [PMID: 34439552 PMCID: PMC8389306 DOI: 10.3390/antiox10081305] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 08/13/2021] [Accepted: 08/15/2021] [Indexed: 01/23/2023] Open
Abstract
In type 1 diabetes (T1D) development, proinflammatory cytokines (PIC) released by immune cells lead to increased reactive oxygen species (ROS) production in β-cells. Nonetheless, the temporality of the events triggered and the role of different ROS sources remain unclear. Isolated islets from C57BL/6J wild-type (WT), NOX1 KO and NOX2 KO mice were exposed to a PIC combination. We show that cytokines increase O2•− production after 2 h in WT and NOX1 KO but not in NOX2 KO islets. Using transgenic mice constitutively expressing a genetically encoded compartment specific H2O2 sensor, we show, for the first time, a transient increase of cytosolic/nuclear H2O2 in islet cells between 4 and 5 h during cytokine exposure. The H2O2 increase coincides with the intracellular NAD(P)H decrease and is absent in NOX2 KO islets. NOX2 KO confers better glucose tolerance and protects against cytokine-induced islet secretory dysfunction and death. However, NOX2 absence does not counteract the cytokine effects in ER Ca2+ depletion, Store-Operated Calcium Entry (SOCE) increase and ER stress. Instead, the activation of ER stress precedes H2O2 production. As early NOX2-driven ROS production impacts β-cells’ function and survival during insulitis, NOX2 might be a potential target for designing therapies against early β-cell dysfunction in the context of T1D onset.
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Affiliation(s)
- Eloisa A. Vilas-Boas
- Center for Human and Molecular Biology (ZHMB), Department of Biophysics, Saarland University, 66424 Homburg, Germany; (E.A.V.-B.); (C.C.)
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of São Paulo (USP), São Paulo 05508-000, SP, Brazil;
| | - Christopher Carlein
- Center for Human and Molecular Biology (ZHMB), Department of Biophysics, Saarland University, 66424 Homburg, Germany; (E.A.V.-B.); (C.C.)
| | - Lisa Nalbach
- Institute for Clinical and Experimental Surgery, Saarland University, 66424 Homburg, Germany; (L.N.); (E.A.)
| | - Davidson C. Almeida
- Department of Cell and Developmental Biology, Institute of Biomedical Sciences, University of São Paulo (USP), São Paulo 05508-000, SP, Brazil;
| | - Emmanuel Ampofo
- Institute for Clinical and Experimental Surgery, Saarland University, 66424 Homburg, Germany; (L.N.); (E.A.)
| | - Angelo R. Carpinelli
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of São Paulo (USP), São Paulo 05508-000, SP, Brazil;
| | - Leticia P. Roma
- Center for Human and Molecular Biology (ZHMB), Department of Biophysics, Saarland University, 66424 Homburg, Germany; (E.A.V.-B.); (C.C.)
- Correspondence: (L.P.R.); (F.O.); Tel.: +06841-16-16240 (L.P.R.); +55-(11)-3091-0923 (F.O.); Fax: +06841-16-16302 (L.P.R.)
| | - Fernanda Ortis
- Department of Cell and Developmental Biology, Institute of Biomedical Sciences, University of São Paulo (USP), São Paulo 05508-000, SP, Brazil;
- Correspondence: (L.P.R.); (F.O.); Tel.: +06841-16-16240 (L.P.R.); +55-(11)-3091-0923 (F.O.); Fax: +06841-16-16302 (L.P.R.)
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13
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Pharmacological Activation of Nrf2 by Rosolic Acid Attenuates Endoplasmic Reticulum Stress in Endothelial Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:2732435. [PMID: 33897939 PMCID: PMC8052152 DOI: 10.1155/2021/2732435] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 11/17/2020] [Accepted: 12/05/2020] [Indexed: 12/18/2022]
Abstract
Endoplasmic reticulum (ER) plays a key role in the folding, modification, and trafficking of proteins. When the homeostasis of the ER is disturbed, un/misfolded proteins accumulate in the ER which leads to ER stress. Sustained ER stress results in apoptosis, which is associated with various diseases. Nuclear factor erythroid 2-related factor 2 (Nrf2) is a major transcription factor in redox homeostasis by regulating various genes associated with detoxification and cell-protective mechanisms. We found that Rosolic acid (RA) treatment dose-dependently activates Nrf2 in endothelial cells using the enzyme fragment complementation assay. The cytoprotective role of RA against ER stress-induced endothelial apoptosis and its molecular mechanism was explored in the present study. The Nrf2 and its target genes, as well as ER stress marker expressions, were measured by qPCR in ER stress-exposed endothelial cells. The contribution of Nrf2 in RA-mediated defense mechanism in endothelial cells was established by knockout studies using Nrf2-CRISPR/Cas9. The treatment with RA to ER stress-induced endothelial cells exhibited activation of Nrf2, as demonstrated by Nrf2 translocation and reduction of ER stress markers. We found that the Nrf2 knockout sensitized the endothelial cells against ER stress, and further, RA failed to mediate its cytoprotective effect. Proteomic studies using LC-MS/MS revealed that among the 1370 proteins detected, we found 296 differentially regulated proteins in ER stress-induced endothelial cells, and RA administration ameliorated 71 proteins towards the control levels. Of note, the ER stress in endothelial cells was attenuated by the treatment with the RA, suggesting the role of the Nrf2 activator in the pathological conditions of ER stress-associated diseases.
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14
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Pu X, Lin X, Duan X, Wang J, Shang J, Yun H, Chen Z. Oxidative and Endoplasmic Reticulum Stress Responses to Chronic High-Altitude Exposure During the Development of High-Altitude Pulmonary Hypertension. High Alt Med Biol 2020; 21:378-387. [DOI: 10.1089/ham.2019.0143] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Affiliation(s)
- Xiaoyan Pu
- School of Life Science, Qinghai Normal University, Xining, China
- Medical College, Qinghai University, Xining, China
| | - Xue Lin
- Medical College, Qinghai University, Xining, China
| | - Xianglan Duan
- School of Life Science, Qinghai Normal University, Xining, China
| | - Junjie Wang
- School of Life Science, Qinghai Normal University, Xining, China
| | - Jun Shang
- School of Life Science, Qinghai Normal University, Xining, China
| | - Haixia Yun
- School of Life Science, Qinghai Normal University, Xining, China
| | - Zhi Chen
- School of Life Science, Qinghai Normal University, Xining, China
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15
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Kopacz A, Kloska D, Targosz-Korecka M, Zapotoczny B, Cysewski D, Personnic N, Werner E, Hajduk K, Jozkowicz A, Grochot-Przeczek A. Keap1 governs ageing-induced protein aggregation in endothelial cells. Redox Biol 2020; 34:101572. [PMID: 32487458 PMCID: PMC7327977 DOI: 10.1016/j.redox.2020.101572] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 04/07/2020] [Accepted: 05/10/2020] [Indexed: 02/07/2023] Open
Abstract
The breach of proteostasis, leading to the accumulation of protein aggregates, is a hallmark of ageing and age-associated disorders, up to now well-established in neurodegeneration. Few studies have addressed the issue of dysfunctional cell response to protein deposition also for the cardiovascular system. However, the molecular basis of proteostasis decline in vascular cells, as well as its relation to ageing, are not understood. Recent studies have indicated the associations of Nrf2 transcription factor, the critical modulator of cellular stress-response, with ageing and premature senescence. In this report, we outline the significance of protein aggregation in physiological and premature ageing of murine and human endothelial cells (ECs). Our study shows that aged donor-derived and prematurely senescent Nrf2-deficient primary human ECs, but not those overexpressing dominant-negative Nrf2, exhibit increased accumulation of protein aggregates. Such phenotype is also found in the aortas of aged mice and young Nrf2 tKO mice. Ageing-related loss of proteostasis in ECs depends on Keap1, well-known repressor of Nrf2, recently perceived as a key independent regulator of EC function and protein S-nitrosation (SNO). Deposition of protein aggregates in ECs is associated with impaired autophagy. It can be counteracted by Keap1 depletion, S-nitrosothiol reductant or rapamycin treatment. Our results show that Keap1:Nrf2 protein balance and Keap1-dependent SNO predominate Nrf2 transcriptional activity-driven mechanisms in governing proteostasis in ageing ECs. Physiological and premature ageing facilitates aggregation of proteins in ECs. Loss of proteostasis depends on Keap1-driven S-nitrosation in ageing ECs. Keap1:Nrf2 ratio predominates Nrf2 transcriptional activity in proteostasis control. Keap1 or SNO depletion, or rapamycin treatment restore proteostasis in ageing ECs.
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Affiliation(s)
- Aleksandra Kopacz
- Department of Medical Biotechnology, Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University, 30-387, Krakow, Poland
| | - Damian Kloska
- Department of Medical Biotechnology, Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University, 30-387, Krakow, Poland
| | - Marta Targosz-Korecka
- Department of Physics of Nanostructures and Nanotechnology, Institute of Physics, Jagiellonian University, 30-387, Krakow, Poland
| | | | - Dominik Cysewski
- Mass Spectrometry Laboratory, Institute of Biochemistry and Biophysics, Polish Academy of Sciences, 02-106, Warsaw, Poland
| | - Nicolas Personnic
- Department of Medical Biotechnology, Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University, 30-387, Krakow, Poland
| | - Ewa Werner
- Department of Medical Biotechnology, Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University, 30-387, Krakow, Poland
| | - Karolina Hajduk
- Department of Medical Biotechnology, Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University, 30-387, Krakow, Poland
| | - Alicja Jozkowicz
- Department of Medical Biotechnology, Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University, 30-387, Krakow, Poland
| | - Anna Grochot-Przeczek
- Department of Medical Biotechnology, Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University, 30-387, Krakow, Poland.
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16
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Al-Saleh F, Khashab F, Fadel F, Al-Kandari N, Al-Maghrebi M. Inhibition of NADPH oxidase alleviates germ cell apoptosis and ER stress during testicular ischemia reperfusion injury. Saudi J Biol Sci 2020; 27:2174-2184. [PMID: 32714044 PMCID: PMC7376125 DOI: 10.1016/j.sjbs.2020.04.024] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 03/26/2020] [Accepted: 04/13/2020] [Indexed: 12/18/2022] Open
Abstract
Testicular torsion and detorsion (TTD) is a serious urological condition affecting young males that is underlined by an ischemia reperfusion injury (tIRI) to the testis as the pathophysiological mechanism. During tIRI, uncontrolled production of oxygen reactive species (ROS) causes DNA damage leading to germ cell apoptosis (GCA). The aim of the study is to explore whether inhibition of NADPH oxidase (NOX), a major source of intracellular ROS, will prevent tIRI-induced GCA and its association with endoplasmic reticulum (ER) stress. Sprague-Dawley rats (n = 36) were divided into three groups: sham, tIRI only and tIRI treated with apocynin (a NOX inhibitor). Rats undergoing tIRI endured an ischemic injury for 1 h followed by 4 h of reperfusion. Spermatogenic damage was evaluated histologically, while cellular damages were assessed using real time PCR, immunofluorescence staining, Western blot and biochemical assays. Disrupted spermatogenesis was associated with increased lipid and protein peroxidation and decreased antioxidant activity of the enzyme superoxide dismutase (SOD) as a result of tIRI. In addition, increased DNA double strand breaks and formation of 8-OHdG adducts associated with increased phosphorylation of the DNA damage response (DDR) protein H2AX. The ASK1/JNK apoptosis signaling pathway was also activated in response to tIRI. Finally, increased immuno-expression of the unfolded protein response (UPR) downstream targets: GRP78, eIF2-α1, CHOP and caspase 12 supported the presence of ER stress. Inhibition of NOX by apocynin protected against tIRI-induced GCA and ER stress. In conclusion, NOX inhibition minimized tIRI-induced intracellular oxidative damages leading to GCA and ER stress.
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Key Words
- 8-OHdG, 8-hydroxy-2′-deoxyguanosine
- ANOVA, analysis of variance
- ASK1, apoptosis signaling kinase 1
- ATF, activating transcription factor
- ATM, ataxia telangiectasia mutated
- BSA, bovine serum albumin
- BTB, blood-testis barrier
- CHOP, CCAAT-enhancer-binding protein homologous protein
- Chk, checkpoint kinase
- DAPI, diamidino phenylindole
- DDR, DNA damage response
- DMSO, dimethyl sulfoxide
- DNA, deoxyribonucleic acid
- ECL, electrochemiluminescence
- ELISA, enzyme-linked immunosorbent assay
- ER stress
- ER, endoplasmic reticulum
- GCA, germ cell apoptosis
- GRP78, glucose-related protein 78
- Germ cell apoptosis
- H&E, hematoxylin and eosin
- H2AX, histone variant
- H2O2, hydrogen peroxide
- IAP, inhibitors of apoptosis
- IF, immunofluorescence
- IRE1, inositol requiring kinase 1
- JNK, c-Jun N-terminal Kinase
- MDA, malondialdehyde
- NADP, nicotinamide adenine dinucleotide phosphate
- NADPH oxidase
- NOX, NADPH oxidase
- O2, molecular oxygen
- O2−, superoxide anion
- OS, oxidative stress
- Oxidative stress
- PARP, poly ADP-ribose polymerase
- PCC, protein carbonyl content
- PCR, polymerase chain reaction
- PERK, pancreatic ER kinase
- PVDF, polyvinylidene difluoride
- RIPA, radioimmunoprecipitation assay
- RNA, ribonucleic acid
- ROS, reactive oxygen species
- RT, reverse transcription
- SD, standard deviation
- SDS-PAGE, sodium dodecyl sulfate polyacrylamide gel electrophoresis
- SOD, superoxide dismutase
- ST, seminiferous tubule
- TOS, testicular oxidative stress
- TRAF-2, tumor-necrosis-factor receptor-associated factor 2
- TUNEL, terminal deoxynucleotidyl transferase dUTP nick end labeling
- Testicular ischemia Reperfusion Injury
- UPR, unfolded protein response
- cDNA, complementary DNA
- eIF2α1, eukaryotic initiation factor 2α1
- gDNA, genomic DNA
- i.p., intraperitoneal
- kDa, kilodalton
- mRNA, messenger ribonucleic acid
- p-, phosphorylated
- phox, phagocyte oxidase
- γ-H2AX, 139 serine-phosphorylated histone variant
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Affiliation(s)
- Farah Al-Saleh
- Department of Biochemistry, Faculty of Medicine, Kuwait University, Jabriyah, Kuwait
| | - Farah Khashab
- Department of Biochemistry, Faculty of Medicine, Kuwait University, Jabriyah, Kuwait
| | - Fatemah Fadel
- Department of Biochemistry, Faculty of Medicine, Kuwait University, Jabriyah, Kuwait
| | - Nora Al-Kandari
- Department of Biochemistry, Faculty of Medicine, Kuwait University, Jabriyah, Kuwait
| | - May Al-Maghrebi
- Department of Biochemistry, Faculty of Medicine, Kuwait University, Jabriyah, Kuwait
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17
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Sies H, Jones DP. Reactive oxygen species (ROS) as pleiotropic physiological signalling agents. Nat Rev Mol Cell Biol 2020; 21:363-383. [PMID: 32231263 DOI: 10.1038/s41580-020-0230-3] [Citation(s) in RCA: 2124] [Impact Index Per Article: 531.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/24/2020] [Indexed: 02/07/2023]
Abstract
'Reactive oxygen species' (ROS) is an umbrella term for an array of derivatives of molecular oxygen that occur as a normal attribute of aerobic life. Elevated formation of the different ROS leads to molecular damage, denoted as 'oxidative distress'. Here we focus on ROS at physiological levels and their central role in redox signalling via different post-translational modifications, denoted as 'oxidative eustress'. Two species, hydrogen peroxide (H2O2) and the superoxide anion radical (O2·-), are key redox signalling agents generated under the control of growth factors and cytokines by more than 40 enzymes, prominently including NADPH oxidases and the mitochondrial electron transport chain. At the low physiological levels in the nanomolar range, H2O2 is the major agent signalling through specific protein targets, which engage in metabolic regulation and stress responses to support cellular adaptation to a changing environment and stress. In addition, several other reactive species are involved in redox signalling, for instance nitric oxide, hydrogen sulfide and oxidized lipids. Recent methodological advances permit the assessment of molecular interactions of specific ROS molecules with specific targets in redox signalling pathways. Accordingly, major advances have occurred in understanding the role of these oxidants in physiology and disease, including the nervous, cardiovascular and immune systems, skeletal muscle and metabolic regulation as well as ageing and cancer. In the past, unspecific elimination of ROS by use of low molecular mass antioxidant compounds was not successful in counteracting disease initiation and progression in clinical trials. However, controlling specific ROS-mediated signalling pathways by selective targeting offers a perspective for a future of more refined redox medicine. This includes enzymatic defence systems such as those controlled by the stress-response transcription factors NRF2 and nuclear factor-κB, the role of trace elements such as selenium, the use of redox drugs and the modulation of environmental factors collectively known as the exposome (for example, nutrition, lifestyle and irradiation).
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Affiliation(s)
- Helmut Sies
- Institute for Biochemistry and Molecular Biology I, Heinrich Heine University Düsseldorf, Düsseldorf, Germany. .,Leibniz Research Institute for Environmental Medicine, Heinrich Heine University Düsseldorf, Düsseldorf, Germany.
| | - Dean P Jones
- Department of Medicine, Emory University, Atlanta, GA, USA.
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18
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Picca A, Calvani R, Coelho-Junior HJ, Landi F, Bernabei R, Marzetti E. Inter-Organelle Membrane Contact Sites and Mitochondrial Quality Control during Aging: A Geroscience View. Cells 2020; 9:cells9030598. [PMID: 32138154 PMCID: PMC7140483 DOI: 10.3390/cells9030598] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 02/28/2020] [Accepted: 02/29/2020] [Indexed: 12/14/2022] Open
Abstract
Mitochondrial dysfunction and failing mitochondrial quality control (MQC) are major determinants of aging. Far from being standalone organelles, mitochondria are intricately related with cellular other compartments, including lysosomes. The intimate relationship between mitochondria and lysosomes is reflected by the fact that lysosomal degradation of dysfunctional mitochondria is the final step of mitophagy. Inter-organelle membrane contact sites also allow bidirectional communication between mitochondria and lysosomes as part of nondegradative pathways. This interaction establishes a functional unit that regulates metabolic signaling, mitochondrial dynamics, and, hence, MQC. Contacts of mitochondria with the endoplasmic reticulum (ER) have also been described. ER-mitochondrial interactions are relevant to Ca2+ homeostasis, transfer of phospholipid precursors to mitochondria, and integration of apoptotic signaling. Many proteins involved in mitochondrial contact sites with other organelles also participate to degradative MQC pathways. Hence, a comprehensive assessment of mitochondrial dysfunction during aging requires a thorough evaluation of degradative and nondegradative inter-organelle pathways. Here, we present a geroscience overview on (1) degradative MQC pathways, (2) nondegradative processes involving inter-organelle tethering, (3) age-related changes in inter-organelle degradative and nondegradative pathways, and (4) relevance of MQC failure to inflammaging and age-related conditions, with a focus on Parkinson’s disease as a prototypical geroscience condition.
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Affiliation(s)
- Anna Picca
- Fondazione Policlinico Universitario “Agostino Gemelli” IRCCS, 00168 Rome, Italy; (A.P.); (F.L.); (E.M.)
| | - Riccardo Calvani
- Fondazione Policlinico Universitario “Agostino Gemelli” IRCCS, 00168 Rome, Italy; (A.P.); (F.L.); (E.M.)
- Correspondence: (R.C.); (R.B.); Tel.: +39-(06)-3015-5559 (R.C. & R.B.); Fax: +39-(06)-3051-911 (R.C. & R.B.)
| | - Hélio José Coelho-Junior
- Institute of Internal Medicine and Geriatrics, Università Cattolica del Sacro Cuore, 00168 Rome, Italy;
| | - Francesco Landi
- Fondazione Policlinico Universitario “Agostino Gemelli” IRCCS, 00168 Rome, Italy; (A.P.); (F.L.); (E.M.)
- Institute of Internal Medicine and Geriatrics, Università Cattolica del Sacro Cuore, 00168 Rome, Italy;
| | - Roberto Bernabei
- Fondazione Policlinico Universitario “Agostino Gemelli” IRCCS, 00168 Rome, Italy; (A.P.); (F.L.); (E.M.)
- Institute of Internal Medicine and Geriatrics, Università Cattolica del Sacro Cuore, 00168 Rome, Italy;
- Correspondence: (R.C.); (R.B.); Tel.: +39-(06)-3015-5559 (R.C. & R.B.); Fax: +39-(06)-3051-911 (R.C. & R.B.)
| | - Emanuele Marzetti
- Fondazione Policlinico Universitario “Agostino Gemelli” IRCCS, 00168 Rome, Italy; (A.P.); (F.L.); (E.M.)
- Institute of Internal Medicine and Geriatrics, Università Cattolica del Sacro Cuore, 00168 Rome, Italy;
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19
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Chauhan AS, Zhuang L, Gan B. Spatial control of AMPK signaling at subcellular compartments. Crit Rev Biochem Mol Biol 2020; 55:17-32. [PMID: 32069425 DOI: 10.1080/10409238.2020.1727840] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AMP-activated protein kinase (AMPK) is a master regulator of energy homeostasis that functions to restore the energy balance by phosphorylating its substrates during altered metabolic conditions. AMPK activity is tightly controlled by diverse regulators including its upstream kinases LKB1 and CaMKK2. Recent studies have also identified the localization of AMPK at different intracellular compartments as another key mechanism for regulating AMPK signaling in response to specific stimuli. This review discusses the AMPK signaling associated with different subcellular compartments, including lysosomes, endoplasmic reticulum, mitochondria, Golgi apparatus, nucleus, and cell junctions. Because altered AMPK signaling is associated with various pathologic conditions including cancer, targeting AMPK signaling in different subcellular compartments may present attractive therapeutic approaches for treatment of disease.
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Affiliation(s)
- Anoop Singh Chauhan
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Li Zhuang
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Boyi Gan
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Health Graduate School of Biomedical Sciences, The University of Texas MD Anderson UT, Houston, TX, USA
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20
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Xu M, Qi Q, Men L, Wang S, Li M, Xiao M, Chen X, Wang S, Wang G, Jia H, Liu C. Berberine protects Kawasaki disease-induced human coronary artery endothelial cells dysfunction by inhibiting of oxidative and endoplasmic reticulum stress. Vascul Pharmacol 2020; 127:106660. [PMID: 32070767 DOI: 10.1016/j.vph.2020.106660] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 01/10/2020] [Accepted: 02/14/2020] [Indexed: 11/29/2022]
Abstract
Kawasaki disease (KD) is an acute febrile illness characterized by systemic vasculitis especially in coronary arteries. Berberine (BBR) shows several beneficial effects on cardiovascular system. The present study is to investigate whether BBR exerts protective effect against KD-induced damage of human coronary artery endothelial cell (HCAECs) and the underlying mechanisms. HCAECs exposed to medium with 15% serum from KD patients or healthy volunteers for 24 h. Stimulated HCAECs were treated with vehicle (without BBR) and BBR (20 μM) for 24 h, the cell apoptosis, cell cycle, induction of intracellular reactive oxygen species (ROS) and protein expression were examined by flow cytometry and western blot. The KD-induced differentially expressed proteins in HCAECs were determined by quantitative proteomics. BBR inhibited HCAECs from apoptosis and arrested cell cycle at G0/G1 stage. BBR protected HCAECs from injury by inhibiting expression of THBD, vWF and EDN1. Bioinformatics analysis suggested that the oxidative and ER stress were involved in KD-induced damage in HCAECs. ROS production and the protein expression of ATF4, p-EIF2α, p-PERK, XBP1, p-IRE1, HSP90B1, HSPG2, DNAJC3, P4HB and VCP were increased by serum from KD patients and decreased by BBR treatment. BBR exerts its protective effects on KD-induced damage of HCAECs through its inhibitory effects on oxidative and ER stress indicating BBR as a therapeutic candidate for KD.
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Affiliation(s)
- Mingguo Xu
- The Department of Cardiology, Shenzhen Children's Hospital, Shenzhen, China.
| | - Qi Qi
- The Department of Pharmacology, Clinical Translational Center for Targeted Drug, School of Medicine, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangdong, China
| | - Lina Men
- The Department of Neurology, Shenzhen Children's Hospital, Shenzhen, China
| | - Shushui Wang
- The Department of Pharmacology, Clinical Translational Center for Targeted Drug, School of Medicine, Jinan University, Guangdong, China
| | - Meng Li
- The Department of Pharmacy, Shenzhen Children's Hospital, Shenzhen, China
| | - Min Xiao
- The Department of Cardiology, Shenzhen Children's Hospital, Shenzhen, China
| | - Xiaozhou Chen
- The Department of Cardiology, Shenzhen Children's Hospital, Shenzhen, China
| | - Sheng Wang
- Department of Pediatric Cardiology, Guangdong Cardiovascular Institute, Guangdong Academy Medical Sciences, Guangdong General Hospital, Guangzhou, China
| | - Guobing Wang
- The Department of Pediatric Research, Shenzhen Children's Hospital, Shenzhen, China
| | - Hongling Jia
- Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangdong, China.
| | - Cong Liu
- The Department of Cardiology, Shenzhen Children's Hospital, Shenzhen, China.
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21
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Moran M, Cheng X, Shihabudeen Haider Ali MS, Wase N, Nguyen N, Yang W, Zhang C, DiRusso C, Sun X. Transcriptome analysis-identified long noncoding RNA CRNDE in maintaining endothelial cell proliferation, migration, and tube formation. Sci Rep 2019; 9:19548. [PMID: 31863035 PMCID: PMC6925215 DOI: 10.1038/s41598-019-56030-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 12/05/2019] [Indexed: 12/22/2022] Open
Abstract
Obesity is a leading risk factor for type-2 diabetes. Diabetes often leads to the dysregulation of angiogenesis, although the mechanism is not fully understood. Previously, long noncoding RNAs (lncRNAs) have been found to modulate angiogenesis. In this study, we asked how the expression levels of lncRNAs change in endothelial cells in response to excessive palmitic acid treatment, an obesity-like condition. Bioinformatics analysis revealed that 305 protein-coding transcripts were upregulated and 70 were downregulated, while 64 lncRNAs were upregulated and 46 were downregulated. Gene ontology and pathway analysis identified endoplasmic reticulum stress, HIF-1 signaling, and Toll-like receptor signaling as enriched after palmitic acid treatment. Moreover, we newly report enrichment of AGE-RAGE signaling pathway in diabetic complications, IL-17 signaling, and cysteine and methionine metabolism by palmitic acid. One lncRNA, Colorectal Neoplasia Differentially Expressed (CRNDE), was selected for further investigation. Palmitic acid induces CRNDE expression by 1.9-fold. We observed that CRNDE knockdown decreases endothelial cell proliferation, migration, and capillary tube formation. These decreases are synergistic under palmitic acid stress. These data demonstrated that lncRNA CRNDE is a regulator of endothelial cell proliferation, migration, and tube formation in response to palmitic acid, and a potential target for therapies treating the complications of obesity-induced diabetes.
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Affiliation(s)
- Matthew Moran
- Department of Biochemistry, University of Nebraska - Lincoln, Lincoln, Nebraska, 68588, USA
| | - Xiao Cheng
- Department of Biochemistry, University of Nebraska - Lincoln, Lincoln, Nebraska, 68588, USA
| | | | - Nishikant Wase
- Department of Biochemistry, University of Nebraska - Lincoln, Lincoln, Nebraska, 68588, USA
| | - Nghi Nguyen
- Department of Biochemistry, University of Nebraska - Lincoln, Lincoln, Nebraska, 68588, USA
| | - Weilong Yang
- Center for Plant Science Innovation, School of Biological Sciences, University of Nebraska - Lincoln, Lincoln, Nebraska, 68588, USA
| | - Chi Zhang
- Center for Plant Science Innovation, School of Biological Sciences, University of Nebraska - Lincoln, Lincoln, Nebraska, 68588, USA
| | - Concetta DiRusso
- Department of Biochemistry, University of Nebraska - Lincoln, Lincoln, Nebraska, 68588, USA.,Nebraska Center for Integrated Biomolecular Communication, University of Nebraska - Lincoln, Lincoln, Nebraska, 68588, USA
| | - Xinghui Sun
- Department of Biochemistry, University of Nebraska - Lincoln, Lincoln, Nebraska, 68588, USA. .,Nebraska Center for the Prevention of Obesity Diseases through Dietary Molecules, University of Nebraska - Lincoln, Lincoln, Nebraska, 68588, USA.
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22
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Xu D, Yang H, Yang Z, Berezowska S, Gao Y, Liang SQ, Marti TM, Hall SRR, Dorn P, Kocher GJ, Schmid RA, Peng RW. Endoplasmic Reticulum Stress Signaling as a Therapeutic Target in Malignant Pleural Mesothelioma. Cancers (Basel) 2019; 11:cancers11101502. [PMID: 31597321 PMCID: PMC6827154 DOI: 10.3390/cancers11101502] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/20/2019] [Accepted: 09/22/2019] [Indexed: 02/06/2023] Open
Abstract
Malignant pleural mesothelioma (MPM) is a lethal cancer with limited treatment options. No targeted therapy has emerged yet. Here, we performed an integrated molecular characterization of patient tumors in the TCGA dataset, and discovered that endoplasmic reticulum (ER) stress and the adaptive unfolded protein response (UPR) signaling are characteristically deregulated in MPM. Consequently, pharmacological perturbation of ER stress/UPR axis by HA15, an agent that induces persistent proteotoxic stress in the ER, selectively suppresses the viability of MPM cells including those refractory to standard chemotherapy. Mechanically, HA15 augments the already high basal level of ER stress in MPM cells, embarks pro-apoptotic malfunctional UPR and autophagy, which eventually induces cell death in MPM. Importantly, HA15 exerts anti-MPM effectiveness in a mouse model of patient-derived xenografts (PDX) without eliciting overt toxicity when compared to chemotherapy. Our results revealed that programs orchestrating ER stress/UPR signaling represent therapeutic vulnerabilities in MPM and validate HA15 as a promising agent to treat patients with MPM, naïve or resistant to chemotherapy.
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Affiliation(s)
- Duo Xu
- Department of General Thoracic Surgery, Department for BioMedical Research (DBMR), Inselspital, Bern University Hospital, University of Bern, 3008 Bern, Switzerland.
- Graduate School for Cellular and Biomedical Sciences, University of Bern, 3008 Bern, Switzerland.
| | - Haitang Yang
- Department of General Thoracic Surgery, Department for BioMedical Research (DBMR), Inselspital, Bern University Hospital, University of Bern, 3008 Bern, Switzerland.
| | - Zhang Yang
- Department of General Thoracic Surgery, Department for BioMedical Research (DBMR), Inselspital, Bern University Hospital, University of Bern, 3008 Bern, Switzerland.
| | | | - Yanyun Gao
- Department of General Thoracic Surgery, Department for BioMedical Research (DBMR), Inselspital, Bern University Hospital, University of Bern, 3008 Bern, Switzerland.
| | - Shun-Qing Liang
- Department of General Thoracic Surgery, Department for BioMedical Research (DBMR), Inselspital, Bern University Hospital, University of Bern, 3008 Bern, Switzerland.
| | - Thomas M Marti
- Department of General Thoracic Surgery, Department for BioMedical Research (DBMR), Inselspital, Bern University Hospital, University of Bern, 3008 Bern, Switzerland.
| | - Sean R R Hall
- Department of General Thoracic Surgery, Department for BioMedical Research (DBMR), Inselspital, Bern University Hospital, University of Bern, 3008 Bern, Switzerland.
| | - Patrick Dorn
- Department of General Thoracic Surgery, Department for BioMedical Research (DBMR), Inselspital, Bern University Hospital, University of Bern, 3008 Bern, Switzerland.
| | - Gregor J Kocher
- Department of General Thoracic Surgery, Department for BioMedical Research (DBMR), Inselspital, Bern University Hospital, University of Bern, 3008 Bern, Switzerland.
| | - Ralph A Schmid
- Department of General Thoracic Surgery, Department for BioMedical Research (DBMR), Inselspital, Bern University Hospital, University of Bern, 3008 Bern, Switzerland.
| | - Ren-Wang Peng
- Department of General Thoracic Surgery, Department for BioMedical Research (DBMR), Inselspital, Bern University Hospital, University of Bern, 3008 Bern, Switzerland.
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23
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Ciaglia E, Montella F, Trucillo P, Ciardulli M, Di Pietro P, Amodio G, Remondelli P, Vecchione C, Reverchon E, Maffulli N, Puca A, Della Porta G. A bioavailability study on microbeads and nanoliposomes fabricated by dense carbon dioxide technologies using human-primary monocytes and flow cytometry assay. Int J Pharm 2019; 570:118686. [DOI: 10.1016/j.ijpharm.2019.118686] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 09/06/2019] [Accepted: 09/07/2019] [Indexed: 12/19/2022]
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24
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Akhter MS, Uddin MA, Barabutis N. Unfolded protein response regulates P53 expression in the pulmonary endothelium. J Biochem Mol Toxicol 2019; 33:e22380. [PMID: 31339623 PMCID: PMC6787927 DOI: 10.1002/jbt.22380] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 07/08/2019] [Indexed: 12/18/2022]
Abstract
Lung endothelial barrier dysfunction leads to severe pathologies, including the lethal Acute Respiratory Distress Syndrome. P53 has been associated with anti-inflammatory activities. The current study employs a variety of unfolded protein response (UPR) activators and inhibitors to investigate the regulation of P53 by UPR in lung cells. The bovine cells that were exposed to the UPR inductors brefeldin A, dithiothreitol, and thapsigargin; demonstrated elevated expression levels of P53 compared to the vehicle-treated cells. On the contrary, the UPR inhibitors N-acetyl cysteine, kifunensine, and ATP-competitive IRE1α kinase-inhibiting RNase attenuator; produced the opposite effects. The outcomes of the present study reveal a positive regulation between UPR and P53. Since it has been shown that a mild induction of the unfolded protein response opposes inflammation, we suggest that P53 is involved in those protective activities in the lung.
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Affiliation(s)
- Mohammad S Akhter
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, Louisiana
| | - Mohammad A Uddin
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, Louisiana
| | - Nektarios Barabutis
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, Louisiana
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25
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Li R, Dong Z, Zhuang X, Liu R, Yan F, Chen Y, Gao X, Shi H. Salidroside prevents tumor necrosis factor-α-induced vascular inflammation by blocking mitogen-activated protein kinase and NF-κB signaling activation. Exp Ther Med 2019; 18:4137-4143. [PMID: 31656544 DOI: 10.3892/etm.2019.8064] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 09/10/2019] [Indexed: 02/07/2023] Open
Abstract
Vascular inflammation is a key factor in the pathogenesis of atherosclerosis. Salidroside is an important active ingredient extracted from the root of the Rhodiola rosea plant, which has been reported to have antioxidative, anti-cancer, neuroprotective and cardioprotective effects. However, the effects of salidroside on vascular inflammation have not been clarified. The purpose of the present study was to investigate the protective effects of salidroside against tumor necrosis factor (TNF)-α-induced vascular inflammation in cardiac microvascular endothelial cells (CMECs), a specific cell type derived from coronary micro-vessels. Over a 24-h period, salidroside did not exert any significant cytotoxicity up to a dose of 100 µM. Additionally, salidroside decreased the expression levels of the cell adhesion molecule vascular cell adhesion molecule-1 (VCAM-1) in TNF-α-stimulated CMECs, thus suppressing monocyte-to-CMEC adhesion. Salidroside also decreased the production of inflammatory cytokines such as interleukin (IL)-1β, IL-6 and monocyte chemotactic protein 1 (MCP-1) in TNF-α-induced CMECs, as well as suppressing TNF-α-activated mitogen-activated protein kinase (MAPK) and NF-κB activation. Since MAPKs and NF-κB both serve notable roles in regulating the expression of VCAM-1, IL-1β, IL-6 and MCP-1, the present study provided a preliminary understanding of the mechanism underlying the protective effects of salidroside. Overall, salidroside alleviated vascular inflammation by mediating MAPK and NF-κB activation in TNF-α-induced CMECs. These results indicated that salidroside may have potential applications as a therapeutic agent against vascular inflammation and atherosclerosis.
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Affiliation(s)
- Ruoshui Li
- Department of Cardiology, Huashan Hospital, Fudan University, Shanghai 200036, P.R. China
| | - Zhen Dong
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai 200032, P.R. China
| | - Xinyu Zhuang
- Department of Cardiology, Huashan Hospital, Fudan University, Shanghai 200036, P.R. China
| | - Rongchen Liu
- Department of Cardiology, Huashan Hospital, Fudan University, Shanghai 200036, P.R. China
| | - Fangying Yan
- Department of Cardiology, Huashan Hospital, Fudan University, Shanghai 200036, P.R. China
| | - Yufei Chen
- Department of Cardiology, Huashan Hospital, Fudan University, Shanghai 200036, P.R. China
| | - Xiufang Gao
- Department of Cardiology, Huashan Hospital, Fudan University, Shanghai 200036, P.R. China
| | - Haiming Shi
- Department of Cardiology, Huashan Hospital, Fudan University, Shanghai 200036, P.R. China
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26
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Increased Trimethylamine N-Oxide Is Not Associated with Oxidative Stress Markers in Healthy Aged Women. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:6247169. [PMID: 31636806 PMCID: PMC6766136 DOI: 10.1155/2019/6247169] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 08/02/2019] [Accepted: 08/16/2019] [Indexed: 12/16/2022]
Abstract
Increased plasma trimethylamine N-oxide (TMAO) levels have been associated with cardiovascular diseases (CVD). L-carnitine induces TMAO elevation in human blood, and thus, it has been suggested as developing atherosclerosis. The aim of this study was to determine the relation between selected markers of oxidative stress and plasma TMAO concentration induced by L-carnitine supplementation for 24 weeks in healthy aged women. Twenty aged women were supplemented during 24 weeks with either 1500 mg L-carnitine-L-tartrate (n = 11) or isonitrogenous placebo (n = 9) per day. Fasting blood samples were taken from antecubital vein. L-carnitine supplementation induced an increase in TMAO, but not in γ-butyrobetaine (GBB). Moreover, there were no significant changes in serum ox-LDL, myeloperoxidase, protein carbonyls, homocysteine, and uric acid concentrations due to supplementation. Significant reduction in white blood cell counts has been observed following 24-week supplementation, but not attributable to L-carnitine. Our results in healthy aged women indicated no relation between TMAO and any determined marker of oxidative stress over the period of 24 weeks. At the same time, plasma GBB levels were not affected by L-carnitine supplementation. Further clinical studies of plasma GBB level as a prognostic marker are needed.
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27
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Weng J, Chen M, Lin Q, Chen J, Wang S, Fang D. Penehyclidine hydrochloride defends against LPS-induced ALI in rats by mitigating endoplasmic reticulum stress and promoting the Hes1/Notch1 pathway. Gene 2019; 721:144095. [PMID: 31476403 DOI: 10.1016/j.gene.2019.144095] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Revised: 08/29/2019] [Accepted: 08/29/2019] [Indexed: 12/12/2022]
Abstract
Penehyclidine hydrochloride (PHC) is a novel anticholinergic drug applied broadly in surgeries as a preanesthetic medication. A substantial amount of research indicates that PHC has lung defensive properties. Considering that endoplasmic reticulum (ER) stress exerts a crucial function in cell apoptosis associated with the lipopolysaccharides (LPS)-induced acute lung injury (ALI) model, we aimed to determine whether regulation of ER stress in the LPS-induced ALI model was associated with the lung defensive role of PHC. Adult male SD rats were administered LPS (5 mg/kg, intratracheally) followed by PHC (1.0 mg/kg, intravenously) for 24 h. The NR8383 alveolar macrophages were randomly separated into Sham, LPS (100 ng/mL), and PHC (1, 2.5, or 5 μg/mL) + LPS groups. PHC (1, 2.5, or 5 μg/mL) + LPS groups were treated with PHC alone for 1 h after LPS exposure. Posttreatment with PHC relieved LPS-induced pulmonary impairment and blocked LPS-mediated lung apoptosis, indicated by the downregulation of the lung apoptotic indicators malondialdehyde and superoxide dismutase in serum at 24 h after LPS-induced ALI. PHC (1-5 μg/mL) did not influence the activity of cultivated NR8383 alveolar macrophages in vitro. However, postconditioning with PHC dosage-dependently reduced LPS-mediated cell apoptosis. Additionally, many studies have indicated that PHC administration inhibits ER stress and initiates hairy and enhancer of split 1 (Hes1)/(Notch1) signaling by decreasing phosphorylated α subunit of eukaryotic initiation factor 2α (p-eIF2α)/eukaryotic translation initiation factor 2α (eIF2α) and Phospho-protein kinase R-like ER kinase (p-PERK)/ protein kinase R-like ER kinase (PERK) proportions; inhibiting C/EBP-homologous protein (CHOP), activating transcription factor 4 (ATF4), caspase-3, and Bcl2-associated x (Bax) activity; and enhancing notch1 intracellular domain (NICD), Notch1, B-cell lymphoma-2 (Bcl-2), and Hes1 activity in vivo and in vitro. In addition, the defensive functions of PHC on LPS-activated NR8383 alveolar macrophages were abrogated through the Notch1 pathway antagonist [(3,5-difluorophenacetyl)-1-alanyl] -phenylglycine-butyl ester (DAPT). In conclusion, PHC alleviates LPS-induced ALI by ameliorating ER stress-mediated apoptosis and promoting Hes1/Notch1 signaling in vivo and in vitro.
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Affiliation(s)
- Junting Weng
- Department of Critical Care Medicine, The Affiliated Hospital of Putian University, Putian 351100, China
| | - Min Chen
- Department of Critical Care Medicine, The Affiliated Hospital of Putian University, Putian 351100, China
| | - Qunying Lin
- Department of Respiratory and Critical Care, The Affiliated Hospital of Putian University, Putian 351100, China
| | - Jianfei Chen
- Department of Critical Care Medicine, The Affiliated Hospital of Putian University, Putian 351100, China
| | - ShanZuan Wang
- Department of Respiratory and Critical Care, The Affiliated Hospital of Putian University, Putian 351100, China
| | - Dexiang Fang
- Department of Critical Care Medicine, The Affiliated Hospital of Putian University, Putian 351100, China.
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28
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Moltedo O, Remondelli P, Amodio G. The Mitochondria-Endoplasmic Reticulum Contacts and Their Critical Role in Aging and Age-Associated Diseases. Front Cell Dev Biol 2019; 7:172. [PMID: 31497601 PMCID: PMC6712070 DOI: 10.3389/fcell.2019.00172] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 08/07/2019] [Indexed: 02/03/2023] Open
Abstract
The recent discovery of interconnections between the endoplasmic reticulum (ER) membrane and those of almost all the cell compartments is providing novel perspectives for the understanding of the molecular events underlying cellular mechanisms in both physiological and pathological conditions. In particular, growing evidence strongly supports the idea that the molecular interactions occurring between ER and mitochondrial membranes, referred as the mitochondria (MT)-ER contacts (MERCs), may play a crucial role in aging and in the development of age-associated diseases. As emerged in the last decade, MERCs behave as signaling hubs composed by structural components that act as critical players in different age-associated disorders, such as neurodegenerative diseases and motor disorders, cancer, metabolic syndrome, as well as cardiovascular diseases. Age-associated disorders often derive from mitochondrial or ER dysfunction as consequences of oxidative stress, mitochondrial DNA mutations, accumulation of misfolded proteins, and defective organelle turnover. In this review, we discuss the recent advances associating MERCs to aging in the context of ER-MT crosstalk regulating redox signaling, ER-to MT lipid transfer, mitochondrial dynamics, and autophagy.
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Affiliation(s)
- Ornella Moltedo
- Department of Pharmacy, University of Salerno, Fisciano, Italy
| | - Paolo Remondelli
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana," University of Salerno, Baronissi, Italy
| | - Giuseppina Amodio
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana," University of Salerno, Baronissi, Italy
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29
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He Z, Du X, Wu Y, Hua L, Wan L, Yan N. Simvastatin promotes endothelial dysfunction by activating the Wnt/β‑catenin pathway under oxidative stress. Int J Mol Med 2019; 44:1289-1298. [PMID: 31432100 PMCID: PMC6713427 DOI: 10.3892/ijmm.2019.4310] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Accepted: 07/11/2019] [Indexed: 12/15/2022] Open
Abstract
Atherosclerosis is a major pathogenic factor in patients with cardiovascular diseases, and endothelial dysfunction (ED) plays a primary role in its occurrence and development. Simvastatin is a lipid‑lowering drug, which is commonly used to prevent or treat risk factors of cardiovascular diseases with a significant anti‑atherogenic effect. However, its impact on endothelial cells under conditions of oxidative stress and broader mechanisms of action remain unclear. The present study evaluated the effect of simvastatin on human umbilical vein endothelial cells (HUVECs) under oxidative stress with H2O2, and the associated mechanisms. At a high dose (1 µM), simvastatin exacerbated H2O2‑induced endothelial cell dysfunction. Moreover, inhibition of the Wnt/β‑catenin pathway by salinomycin significantly suppressed the simvastatin‑associated HUVEC dysfunction. Western blot analysis further demonstrated that simvastatin promoted the phosphorylation of low‑density lipoprotein receptor‑related protein 6 (LRP6) and activated the Wnt/β‑catenin pathway. Simvastatin also activated endoplasmic reticulum (ER) stress, which was reversed by salinomycin treatment. Based on these results, it was hypothesized that simvastatin may promote ER stress by facilitating LRP6 phosphorylation and the subsequent activation of the Wnt/β‑catenin pathway, thereby enhancing H2O2‑induced ED. Therefore, high‑dose simvastatin treatment could have potential toxic side effects, indicating the need for close clinical management, monitoring and patient selection.
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Affiliation(s)
- Zhiqiang He
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Xinyue Du
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Yifan Wu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Lingyue Hua
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Linxi Wan
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Nianlong Yan
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Nanchang University, Nanchang, Jiangxi 330006, P.R. China
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30
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Damiano S, Muscariello E, La Rosa G, Di Maro M, Mondola P, Santillo M. Dual Role of Reactive Oxygen Species in Muscle Function: Can Antioxidant Dietary Supplements Counteract Age-Related Sarcopenia? Int J Mol Sci 2019; 20:ijms20153815. [PMID: 31387214 PMCID: PMC6696113 DOI: 10.3390/ijms20153815] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 07/30/2019] [Accepted: 08/01/2019] [Indexed: 02/07/2023] Open
Abstract
Sarcopenia is characterized by the progressive loss of skeletal muscle mass and strength. In older people, malnutrition and physical inactivity are often associated with sarcopenia, and, therefore, dietary interventions and exercise must be considered to prevent, delay, or treat it. Among the pathophysiological mechanisms leading to sarcopenia, a key role is played by an increase in reactive oxygen and nitrogen species (ROS/RNS) levels and a decrease in enzymatic antioxidant protection leading to oxidative stress. Many studies have evaluated, in addition to the effects of exercise, the effects of antioxidant dietary supplements in limiting age-related muscle mass and performance, but the data which have been reported are conflicting. In skeletal muscle, ROS/RNS have a dual function: at low levels they increase muscle force and adaptation to exercise, while at high levels they lead to a decline of muscle performance. Controversial results obtained with antioxidant supplementation in older persons could in part reflect the lack of univocal effects of ROS on muscle mass and function. The purpose of this review is to examine the molecular mechanisms underlying the dual effects of ROS in skeletal muscle function and the analysis of literature data on dietary antioxidant supplementation associated with exercise in normal and sarcopenic subjects.
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Affiliation(s)
- Simona Damiano
- Dipartimento di Medicina Clinica e Chirurgia, Università di Napoli "Federico II", Via S. Pansini, 5, 80131 Naples, Italy
| | - Espedita Muscariello
- Dipartimento di Medicina Clinica e Chirurgia, Università di Napoli "Federico II", Via S. Pansini, 5, 80131 Naples, Italy
| | - Giuliana La Rosa
- Dipartimento di Medicina Clinica e Chirurgia, Università di Napoli "Federico II", Via S. Pansini, 5, 80131 Naples, Italy
| | - Martina Di Maro
- Dipartimento di Medicina Clinica e Chirurgia, Università di Napoli "Federico II", Via S. Pansini, 5, 80131 Naples, Italy
| | - Paolo Mondola
- Dipartimento di Medicina Clinica e Chirurgia, Università di Napoli "Federico II", Via S. Pansini, 5, 80131 Naples, Italy
| | - Mariarosaria Santillo
- Dipartimento di Medicina Clinica e Chirurgia, Università di Napoli "Federico II", Via S. Pansini, 5, 80131 Naples, Italy.
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31
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Amodio G, Moltedo O, Fasano D, Zerillo L, Oliveti M, Di Pietro P, Faraonio R, Barone P, Pellecchia MT, De Rosa A, De Michele G, Polishchuk E, Polishchuk R, Bonifati V, Nitsch L, Pierantoni GM, Renna M, Criscuolo C, Paladino S, Remondelli P. PERK-Mediated Unfolded Protein Response Activation and Oxidative Stress in PARK20 Fibroblasts. Front Neurosci 2019; 13:673. [PMID: 31316342 PMCID: PMC6610533 DOI: 10.3389/fnins.2019.00673] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 06/12/2019] [Indexed: 12/20/2022] Open
Abstract
PARK20, an early onset autosomal recessive parkinsonism is due to mutations in the phosphatidylinositol-phosphatase Synaptojanin 1 (Synj1). We have recently shown that the early endosomal compartments are profoundly altered in PARK20 fibroblasts as well as the endosomal trafficking. Here, we report that PARK20 fibroblasts also display a drastic alteration of the architecture and function of the early secretory compartments. Our results show that the exit machinery from the Endoplasmic Reticulum (ER) and the ER-to-Golgi trafficking are markedly compromised in patient cells. As a consequence, PARK20 fibroblasts accumulate large amounts of cargo proteins within the ER, leading to the induction of ER stress. Interestingly, this stressful state is coupled to the activation of the PERK/eIF2α/ATF4/CHOP pathway of the Unfolded Protein Response (UPR). In addition, PARK20 fibroblasts reveal upregulation of oxidative stress markers and total ROS production with concomitant alteration of the morphology of the mitochondrial network. Interestingly, treatment of PARK20 cells with GSK2606414 (GSK), a specific inhibitor of PERK activity, restores the level of ROS, signaling a direct correlation between ER stress and the induction of oxidative stress in the PARK20 cells. All together, these findings suggest that dysfunction of early secretory pathway might contribute to the pathogenesis of the disease.
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Affiliation(s)
- Giuseppina Amodio
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Salerno, Italy
| | - Ornella Moltedo
- Department of Pharmacy, University of Salerno, Salerno, Italy
| | - Dominga Fasano
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples, Italy
| | - Lucrezia Zerillo
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples, Italy
| | - Marco Oliveti
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Salerno, Italy
| | - Paola Di Pietro
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Salerno, Italy
| | - Raffaella Faraonio
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples, Italy
| | - Paolo Barone
- Section of Neuroscience, Department of Medicine, Surgery and Dentistry, University of Salerno, Salerno, Italy
| | - Maria Teresa Pellecchia
- Section of Neuroscience, Department of Medicine, Surgery and Dentistry, University of Salerno, Salerno, Italy
| | - Anna De Rosa
- Department of Neuroscience, Reproductive, and Odontostomatological Sciences, University of Naples Federico II, Naples, Italy
| | - Giuseppe De Michele
- Department of Neuroscience, Reproductive, and Odontostomatological Sciences, University of Naples Federico II, Naples, Italy
| | | | | | | | - Lucio Nitsch
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples, Italy
| | - Giovanna Maria Pierantoni
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples, Italy
| | - Maurizio Renna
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples, Italy
| | - Chiara Criscuolo
- Department of Neuroscience, Reproductive, and Odontostomatological Sciences, University of Naples Federico II, Naples, Italy
| | - Simona Paladino
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples, Italy
| | - Paolo Remondelli
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Salerno, Italy
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32
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Hua L, Wu N, Zhao R, He X, Liu Q, Li X, He Z, Yu L, Yan N. Sphingomyelin Synthase 2 Promotes Endothelial Dysfunction by Inducing Endoplasmic Reticulum Stress. Int J Mol Sci 2019; 20:ijms20122861. [PMID: 31212751 PMCID: PMC6627305 DOI: 10.3390/ijms20122861] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 05/30/2019] [Accepted: 06/04/2019] [Indexed: 12/29/2022] Open
Abstract
Endothelial dysfunction (ED) is an important contributor to atherosclerotic cardiovascular disease. Our previous study demonstrated that sphingomyelin synthase 2 (SMS2) promotes ED. Moreover, endoplasmic reticulum (ER) stress can lead to ED. However, whether there is a correlation between SMS2 and ER stress is unclear. To examine their correlation and determine the detailed mechanism of this process, we constructed a human umbilical vein endothelial cell (HUVEC) model with SMS2 overexpression. These cells were treated with 4-PBA or simvastatin and with LiCl and salinomycin alone. The results showed that SMS2 can promote the phosphorylation of lipoprotein receptor-related protein 6 (LRP6) and activate the Wnt/β-catenin pathway and that activation or inhibition of the Wnt/β-catenin pathway can induce or block ER stress, respectively. However, inhibition of ER stress by 4-PBA can decrease ER stress and ED. Furthermore, when the biosynthesis of cholesterol is inhibited by simvastatin, the reduction in intracellular cholesterol coincides with a decrease in ER stress and ED. Collectively, our results demonstrate that SMS2 can activate the Wnt/β-catenin pathway and promote intracellular cholesterol accumulation, both of which can contribute to the induction of ER stress and finally lead to ED.
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Affiliation(s)
- Lingyue Hua
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Nanchang University, Nanchang 330006, Jiangxi, China.
| | - Na Wu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Nanchang University, Nanchang 330006, Jiangxi, China.
| | - Ruilin Zhao
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Nanchang University, Nanchang 330006, Jiangxi, China.
| | - Xuanhong He
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Nanchang University, Nanchang 330006, Jiangxi, China.
| | - Qian Liu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Nanchang University, Nanchang 330006, Jiangxi, China.
| | - Xiatian Li
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Nanchang University, Nanchang 330006, Jiangxi, China.
| | - Zhiqiang He
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Nanchang University, Nanchang 330006, Jiangxi, China.
| | - Lehan Yu
- School of Basic Medical Experiments Center, Nanchang University, Nanchang 330006, Jiangxi, China.
| | - Nianlong Yan
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Nanchang University, Nanchang 330006, Jiangxi, China.
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He Z, He X, Liu M, Hua L, Wang T, Liu Q, Chen L, Yan N. Simvastatin Attenuates H 2O 2-Induced Endothelial Cell Dysfunction by Reducing Endoplasmic Reticulum Stress. Molecules 2019; 24:molecules24091782. [PMID: 31071981 PMCID: PMC6539125 DOI: 10.3390/molecules24091782] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 05/07/2019] [Accepted: 05/08/2019] [Indexed: 12/18/2022] Open
Abstract
Atherosclerosis is the pathological basis of cardiovascular disease, whilst endothelial dysfunction (ED) plays a primary role in the occurrence and development of atherosclerosis. Simvastatin has been shown to possess significant anti-atherosclerosis activity. In this study, we evaluated the protective effect of simvastatin on endothelial cells under oxidative stress and elucidated its underlying mechanisms. Simvastatin was found to attenuate H2O2-induced human umbilical vein endothelial cells (HUVECs) dysfunction and inhibit the Wnt/β-catenin pathway; however, when this pathway was activated by lithium chloride, endothelial dysfunction was clearly enhanced. Further investigation revealed that simvastatin did not alter the expression or phosphorylation of LRP6, but reduced intracellular cholesterol deposition and inhibited endoplasmic reticulum (ER) stress. Inducing ER stress with tunicamycin activated the Wnt/β-catenin pathway, whereas reducing ER stress with 4-phenylbutyric acid inhibited it. We hypothesize that simvastatin does not affect transmembrane signal transduction in the Wnt/β-catenin pathway, but inhibits ER stress by reducing intracellular cholesterol accumulation, which blocks intracellular signal transduction in the Wnt/β-catenin pathway and ameliorates endothelial dysfunction.
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Affiliation(s)
- Zhiqiang He
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science; Nanchang University, Nanchang 330006, China.
| | - Xuanhong He
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science; Nanchang University, Nanchang 330006, China.
| | - Menghan Liu
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science; Nanchang University, Nanchang 330006, China.
| | - Lingyue Hua
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science; Nanchang University, Nanchang 330006, China.
| | - Tian Wang
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science; Nanchang University, Nanchang 330006, China.
| | - Qian Liu
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science; Nanchang University, Nanchang 330006, China.
| | - Lai Chen
- Laboratory Animal Research Center for Science and Technology, Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China.
| | - Nianlong Yan
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science; Nanchang University, Nanchang 330006, China.
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Shihabudeen Haider Ali MS, Cheng X, Moran M, Haemmig S, Naldrett MJ, Alvarez S, Feinberg MW, Sun X. LncRNA Meg3 protects endothelial function by regulating the DNA damage response. Nucleic Acids Res 2019; 47:1505-1522. [PMID: 30476192 PMCID: PMC6379667 DOI: 10.1093/nar/gky1190] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 11/05/2018] [Accepted: 11/09/2018] [Indexed: 01/10/2023] Open
Abstract
The role of long non-coding RNAs (lncRNAs) in regulating endothelial function through the DNA damage response (DDR) remains poorly understood. In this study, we demonstrate that lncRNA maternally expressed gene 3 (Meg3) interacts with the RNA binding protein polypyrimidine tract binding protein 3 (PTBP3) to regulate gene expression and endothelial function through p53 signaling ─ a major coordinator of apoptosis and cell proliferation triggered by the DDR. Meg3 expression is induced in endothelial cells (ECs) upon p53 activation. Meg3 silencing induces DNA damage, activates p53 signaling, increases the expression of p53 target genes, promotes EC apoptosis, and inhibits EC proliferation. Mechanistically, Meg3 silencing reduces the interaction of p53 with Mdm2, induces p53 expression, and promotes the association of p53 with the promoters of a subset of p53 target genes. PTBP3 silencing recapitulates the effects of Meg3 deficiency on the expression of p53 target genes, EC apoptosis and proliferation. The Meg3-dependent association of PTBP3 with the promoters of p53 target genes suggests that Meg3 and PTBP3 restrain p53 activation. Our studies reveal a novel role of Meg3 and PTBP3 in regulating p53 signaling and endothelial function, which may serve as novel targets for therapies to restore endothelial homeostasis.
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Affiliation(s)
| | - Xiao Cheng
- Department of Biochemistry, University of Nebraska-Lincoln, Beadle Center, 1901 Vine St, Lincoln, NE 68588, USA
| | - Matthew Moran
- Department of Biochemistry, University of Nebraska-Lincoln, Beadle Center, 1901 Vine St, Lincoln, NE 68588, USA
| | - Stefan Haemmig
- Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Michael J Naldrett
- Proteomics and Metabolomics Facility, Center for Biotechnology, University of Nebraska-Lincoln, Beadle Center, 1901 Vine St, Lincoln, NE 68588, USA
| | - Sophie Alvarez
- Proteomics and Metabolomics Facility, Center for Biotechnology, University of Nebraska-Lincoln, Beadle Center, 1901 Vine St, Lincoln, NE 68588, USA
| | - Mark W Feinberg
- Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Xinghui Sun
- Department of Biochemistry, University of Nebraska-Lincoln, Beadle Center, 1901 Vine St, Lincoln, NE 68588, USA
- Nebraska Center for the Prevention of Obesity Diseases through Dietary Molecules, University of Nebraska-Lincoln, Lincoln, NE 68583, USA
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35
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Yu M, Yan W, Beight C. Lutein and Zeaxanthin Isomers Reduce Photoreceptor Degeneration in the Pde6b rd10 Mouse Model of Retinitis Pigmentosa. BIOMED RESEARCH INTERNATIONAL 2018; 2018:4374087. [PMID: 30643804 PMCID: PMC6311858 DOI: 10.1155/2018/4374087] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 11/29/2018] [Indexed: 11/20/2022]
Abstract
PURPOSE Lutein, RR-zeaxanthin, and RS-zeaxanthin (L-Z) are antioxidants which can reduce endoplasmic reticulum stress (ERS) and oxidative stress (OS), and ameliorate neurodegenerative diseases. However, their treatment effect in the Pde6b rd10 (rd10) mouse model of retinitis pigmentosa (RP) and the underlying cellular mechanisms have not been studied. ERS is an important factor which causes photoreceptor apoptosis. The aim of the current project is to test the treatment effect of L-Z in rd10 mice and to investigate the underlying molecular mechanisms of ERS. METHODS L-Z (Lutemax 2020, 10 mg/kg) diluted in sunflower oil (SFO, 1 mg/ml) or the same volume of SFO was administrated via gavage from postnatal day 6 (P6) to P20 daily in L-Z group (n=5) or SFO group (n=6) of rd10 mice. At P21, electroretinography (ERG) was performed to show the functional change of retinas. 78 kDa glucose-regulated protein (GRP78) and endoplasmic reticulum protein 29 (ERp29) were tested by western blot and immunostaining. RESULTS The ERG amplitudes were larger in the L-Z group than those of the SFO group in all flash luminances of dark-adapted and light-adapted ERG (all p < 0.01). Western blot revealed that GRP78 in the retinas of the L-Z group was significantly downregulated compared to that of the SFO group (p < 0.01). Meanwhile, the retinal ERp29 protein was significantly upregulated in the L-Z treatment group than that of the SFO group (p < 0.01). CONCLUSIONS L-Z provide protection to the photoreceptors of rd10 mouse model of RP, which is probably associated with the reduction of ERS.
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Affiliation(s)
- Minzhong Yu
- Department of Ophthalmic Research, Cole Eye Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
- Department of Ophthalmology, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH, USA
| | - Weiming Yan
- Department of Ophthalmic Research, Cole Eye Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
- Department of Clinical Medicine, Faculty of Aerospace Medicine, Key Laboratory of Aerospace Medicine of the National Education Ministry, Fourth Military University, Xi'an, China
| | - Craig Beight
- Department of Ophthalmic Research, Cole Eye Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
- Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, OH, USA
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Villa F, Carrizzo A, Ferrario A, Maciag A, Cattaneo M, Spinelli CC, Montella F, Damato A, Ciaglia E, Puca AA. A Model of Evolutionary Selection: The Cardiovascular Protective Function of the Longevity Associated Variant of BPIFB4. Int J Mol Sci 2018; 19:ijms19103229. [PMID: 30347645 PMCID: PMC6214030 DOI: 10.3390/ijms19103229] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 10/15/2018] [Accepted: 10/17/2018] [Indexed: 02/07/2023] Open
Abstract
Evolutionary forces select genetic variants that allow adaptation to environmental stresses. The genomes of centenarian populations could recapitulate the evolutionary adaptation model and reveal the secrets of disease resistance shown by these individuals. Indeed, longevity phenotype is supposed to have a genetic background able to survive or escape to age-related diseases. Among these, cardiovascular diseases (CVDs) are the most lethal and their major risk factor is aging and the associated frailty status. One example of genetic evolution revealed by the study of centenarians genome is the four missense Single Nucleotide Polymorphisms (SNPs) haplotype in bactericidal/permeability-increasing fold-containing family B, member 4 (BPIFB4) locus that is enriched in long living individuals: the longevity associated variant (LAV). Indeed, LAV-BPIFB4 is able to improve endothelial function and revascularization through the increase of endothelial nitric oxide synthase (eNOS) dependent nitric oxide production. This review recapitulates the beneficial effects of LAV-BPIFB4 and its therapeutic potential for the treatment of CVDs.
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Affiliation(s)
- Francesco Villa
- Cardiovascular Research Unit, IRCCS MultiMedica, 20138 Milan, Italy.
| | | | - Anna Ferrario
- Cardiovascular Research Unit, IRCCS MultiMedica, 20138 Milan, Italy.
| | - Anna Maciag
- Cardiovascular Research Unit, IRCCS MultiMedica, 20138 Milan, Italy.
| | - Monica Cattaneo
- Cardiovascular Research Unit, IRCCS MultiMedica, 20138 Milan, Italy.
| | | | - Francesco Montella
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Via Salvatore Allende, 84081 Baronissi, Italy.
| | | | - Elena Ciaglia
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Via Salvatore Allende, 84081 Baronissi, Italy.
| | - Annibale Alessandro Puca
- Cardiovascular Research Unit, IRCCS MultiMedica, 20138 Milan, Italy.
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Via Salvatore Allende, 84081 Baronissi, Italy.
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37
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Carrizzo A, Izzo C, Oliveti M, Alfano A, Virtuoso N, Capunzo M, Di Pietro P, Calabrese M, De Simone E, Sciarretta S, Frati G, Migliarino S, Damato A, Ambrosio M, De Caro F, Vecchione C. The Main Determinants of Diabetes Mellitus Vascular Complications: Endothelial Dysfunction and Platelet Hyperaggregation. Int J Mol Sci 2018; 19:ijms19102968. [PMID: 30274207 PMCID: PMC6212935 DOI: 10.3390/ijms19102968] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 09/26/2018] [Accepted: 09/27/2018] [Indexed: 12/24/2022] Open
Abstract
Diabetes mellitus is a common disease that affects 3–5% of the general population in Italy. In some countries of northern Europe or in North America, it can even affect 6–8% of the population. Of great concern is that the number of cases of diabetes is constantly increasing, probably due to the increase in obesity and the sedentary nature of the population. According to the World Health Organization, in the year 2030 there will be 360 million people with diabetes, compared to 170 million in 2000. This has important repercussions on the lives of patients and their families, and on health systems that offer assistance to patients. In this review, we try to describe in an organized way the pathophysiological continuity between diabetes mellitus, endothelial dysfunction, and platelet hyperaggregation, highlighting the main molecular mechanisms involved and the interconnections.
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Affiliation(s)
| | - Carmine Izzo
- Departement of Medicine and Surgery, University of Salerno, 84081 Baronissi, SA, Italy.
| | - Marco Oliveti
- Departement of Medicine and Surgery, University of Salerno, 84081 Baronissi, SA, Italy.
| | - Antonia Alfano
- Heart Department, A.O.U. "San Giovanni di Dio e Ruggi d'Aragona", 84131 Salerno, Italy.
| | - Nicola Virtuoso
- Department of Cardiovascular Medicine, A.O.U. Federico II, 80131 Naples, Italy.
| | - Mario Capunzo
- Departement of Medicine and Surgery, University of Salerno, 84081 Baronissi, SA, Italy.
| | - Paola Di Pietro
- Departement of Medicine and Surgery, University of Salerno, 84081 Baronissi, SA, Italy.
| | | | - Eros De Simone
- Heart Department, A.O.U. "San Giovanni di Dio e Ruggi d'Aragona", 84131 Salerno, Italy.
| | - Sebastiano Sciarretta
- IRCCS Neuromed, 86077 Pozzilli, IS, Italy.
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, 00161 Rome, Italy.
| | - Giacomo Frati
- IRCCS Neuromed, 86077 Pozzilli, IS, Italy.
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, 00161 Rome, Italy.
| | - Serena Migliarino
- Department of Clinical and Molecular Medicine, School of Medicine and Psychology, Sapienza University of Rome, 00161 Rome, Italy.
| | | | | | - Francesco De Caro
- Departement of Medicine and Surgery, University of Salerno, 84081 Baronissi, SA, Italy.
| | - Carmine Vecchione
- IRCCS Neuromed, 86077 Pozzilli, IS, Italy.
- Departement of Medicine and Surgery, University of Salerno, 84081 Baronissi, SA, Italy.
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