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Marzook H, Gupta A, Jayakumar MN, Saleh MA, Tomar D, Qaisar R, Ahmad F. GSK-3α-BNIP3 axis promotes mitophagy in human cardiomyocytes under hypoxia. Free Radic Biol Med 2024; 221:235-244. [PMID: 38815772 DOI: 10.1016/j.freeradbiomed.2024.05.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 05/24/2024] [Accepted: 05/25/2024] [Indexed: 06/01/2024]
Abstract
Dysregulated autophagy/mitophagy is one of the major causes of cardiac injury in ischemic conditions. Glycogen synthase kinase-3alpha (GSK-3α) has been shown to play a crucial role in the pathophysiology of cardiac diseases. However, the precise role of GSK-3α in cardiac mitophagy remains unknown. Herein, we investigated the role of GSK-3α in cardiac mitophagy by employing AC16 human cardiomyocytes under the condition of acute hypoxia. We observed that the gain-of-GSK-3α function profoundly induced mitophagy in the AC16 cardiomyocytes post-hypoxia. Moreover, GSK-3α overexpression led to increased ROS generation and mitochondrial dysfunction in cardiomyocytes, accompanied by enhanced mitophagy displayed by increased mt-mKeima intensity under hypoxia. Mechanistically, we identified that GSK-3α promotes mitophagy through upregulation of BNIP3, caused by GSK-3α-mediated increase in expression of HIF-1α and FOXO3a in cardiomyocytes post-hypoxia. Moreover, GSK-3α displayed a physical interaction with BNIP3 and, inhibited PINK1 and Parkin recruitment to mitochondria was observed specifically under hypoxia. Taken together, we identified a novel mechanism of mitophagy in human cardiomyocytes. GSK-3α promotes mitochondrial dysfunction and regulates FOXO3a -mediated BNIP3 overexpression in cardiomyocytes to facilitate mitophagy following hypoxia. An interaction between GSK-3α and BNIP3 suggests a role of GSK-3α in BNIP3 recruitment to the mitochondrial membrane where it enhances mitophagy in stressed cardiomyocytes independent of the PINK1/Parkin.
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Affiliation(s)
- Hezlin Marzook
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Anamika Gupta
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Manju N Jayakumar
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Mohamed A Saleh
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, United Arab Emirates; Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
| | - Dhanendra Tomar
- Department of Internal Medicine, Section on Cardiovascular Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Rizwan Qaisar
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Firdos Ahmad
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, United Arab Emirates.
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2
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Picchio V, Pagano F, Carnevale R, D'Amico A, Cozzolino C, Floris E, Bordin A, Schirone L, Vecchio D, Saade W, Miraldi F, De Falco E, Sciarretta S, Peruzzi M, Biondi-Zoccai G, Frati G, Chimenti I. Exposure to serum from exclusive heated tobacco product smokers induces mTOR activation and fibrotic features in human cardiac stromal cells. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167350. [PMID: 39002704 DOI: 10.1016/j.bbadis.2024.167350] [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: 10/18/2023] [Revised: 06/21/2024] [Accepted: 07/04/2024] [Indexed: 07/15/2024]
Abstract
Chronic smokers have increased risk of fibrosis-related atrial fibrillation. The use of heated-tobacco products (HTPs) is increasing exponentially, and their health impact is still uncertain. We aim to investigate the effects of circulating molecules in exclusive HTP chronic smokers on the fibrotic behavior of human atrial cardiac stromal cells (CSCs). CSCs were isolated from atrial tissue of elective cardiac surgery patients, and exposed to serum lots from young healthy subjects, stratified in exclusive HTP smokers, tobacco combustion cigarette (TCC) smokers, or nonsmokers (NS). CSCs treated with TCC serum displayed impaired migration and increased expression of pro-inflammatory cytokines. Cells cultured with HTP serum showed increased levels of pro-fibrotic markers, and reduced expression of connexin-43. Both TCC and HTP sera increased collagen release and reduced secretion of angiogenic protective factors from CSCs, compared to NS serum. Paracrine support to tube-formation by endothelial cells and to viability of cardiomyocytes was significantly impaired. Treatment with sera of both smokers groups impaired H2O2/NO release balance by CSCs and reduced early phosphorylation of several pathways compared to NS serum, leading to mTOR activation. Cotreatment with rapamycin was able to reduce mTOR phosphorylation and differentiation into aSMA-positive myofibroblasts in CSCs exposed to TCC and HTP sera. In conclusion, the circulating molecules in the serum of chronic exclusive HTP smokers induce fibrotic behavior in CSCs through activation of the mTOR pathway, and reduce their beneficial paracrine effects on endothelial cells and cardiomyocytes. These results point to a potential risk for cardiac fibrosis in chronic HTP users.
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Affiliation(s)
- Vittorio Picchio
- Department of Medical Surgical Sciences and Biotechnologies, Sapienza University, Latina, Italy; Department of AngioCardioNeurology, IRCCS Neuromed, Pozzilli, Italy
| | - Francesca Pagano
- Institute of Biochemistry and Cell Biology, National Council of Research (IBBC-CNR), Monterotondo, Italy
| | - Roberto Carnevale
- Department of Medical Surgical Sciences and Biotechnologies, Sapienza University, Latina, Italy; Department of AngioCardioNeurology, IRCCS Neuromed, Pozzilli, Italy
| | - Alessandra D'Amico
- Department of Movement, Human, and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Claudia Cozzolino
- Department of Medical Surgical Sciences and Biotechnologies, Sapienza University, Latina, Italy
| | - Erica Floris
- Department of Medical Surgical Sciences and Biotechnologies, Sapienza University, Latina, Italy
| | - Antonella Bordin
- Department of Medical Surgical Sciences and Biotechnologies, Sapienza University, Latina, Italy
| | | | - Daniele Vecchio
- Department of Medical Surgical Sciences and Biotechnologies, Sapienza University, Latina, Italy
| | - Wael Saade
- Department of Clinical, Internal Medicine, Anesthesiology and Cardiovascular Sciences, Sapienza University, Rome, Italy
| | - Fabio Miraldi
- Department of Clinical, Internal Medicine, Anesthesiology and Cardiovascular Sciences, Sapienza University, Rome, Italy
| | - Elena De Falco
- Department of Medical Surgical Sciences and Biotechnologies, Sapienza University, Latina, Italy; Maria Cecilia Hospital, GVM Care & Research, Cotignola, Italy
| | - Sebastiano Sciarretta
- Department of Medical Surgical Sciences and Biotechnologies, Sapienza University, Latina, Italy; Department of AngioCardioNeurology, IRCCS Neuromed, Pozzilli, Italy
| | - Mariangela Peruzzi
- Department of Clinical, Internal Medicine, Anesthesiology and Cardiovascular Sciences, Sapienza University, Rome, Italy; Maria Cecilia Hospital, GVM Care & Research, Cotignola, Italy
| | - Giuseppe Biondi-Zoccai
- Department of Medical Surgical Sciences and Biotechnologies, Sapienza University, Latina, Italy; Maria Cecilia Hospital, GVM Care & Research, Cotignola, Italy
| | - Giacomo Frati
- Department of Medical Surgical Sciences and Biotechnologies, Sapienza University, Latina, Italy; Department of AngioCardioNeurology, IRCCS Neuromed, Pozzilli, Italy
| | - Isotta Chimenti
- Department of Medical Surgical Sciences and Biotechnologies, Sapienza University, Latina, Italy; Maria Cecilia Hospital, GVM Care & Research, Cotignola, Italy.
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Almusallam N, Alonazi A, Dayel AB, Almubarak A, Ali R, Althakfi W, Ali R, Alrasheed N. Antifibrotic effect of the P2X7 receptor antagonist A740003 against acute myocardial infarction-induced fibrotic remodelling. Saudi Pharm J 2024; 32:102102. [PMID: 39035363 PMCID: PMC11258548 DOI: 10.1016/j.jsps.2024.102102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 05/13/2024] [Indexed: 07/23/2024] Open
Abstract
Post-acute myocardial infarction (AMI) fibrosis is a pathophysiologic process characterised by activation of the profibrotic mediator, transforming growth factor-β (TGF-β). AMI is associated with a substantial increase in the levels of extracellular adenosine triphosphate (eATP), which acts on the purinergic P2X7-receptor (P2X7-R) and triggers an inflammatory response that contributes to myocardial fibrotic remodelling. P2X7-R has been implicated in several cardiovascular diseases; however, its role in the regulation of cardiac fibrosis remains unclear. Therefore, the current study aimed to determine the effect of the P2X7-R antagonist, A740003, on post-AMI fibrosis, via the profibrotic TGF-β1/Smad signalling pathway, and elucidate whether its effect is mediated via the modulation of GSK-3β. AMI was induced by surgical ligation of the left anterior descending coronary artery, Thereafter, animals were divided into groups: sham control, MI-untreated, MI-vehicle, and MI-A740003 (50 mg/kg/day) and treated for seven days accordingly. The heart weight/body weight ratio of untreated-ligated rats significantly increased by 15.1 %, creatine kinase-MB (CK-MB) significantly increased by 40 %, troponin-I levels significantly increased by 25.4 %, and lactate dehydrogenase significantly increased by 47.2 %, indicating myocardial damage confirmed by morphological changes and massive cardiac fibrosis. The protein expression of cardiac fibronectin, TGF-β1, and p-Smad2 were also upregulated by 143 %, 40 %, and 8 %, respectively, indicating cardiac fibrosis. The treatment of ligated rats with A740003 led to improvement in all the above-mentioned parameters. Overall, A740003 exhibits potential cardio-protective effects on post-AMI fibrotic remodelling in the animal model of AMI through P2X7-R blockade, possibly by downregulating the profibrotic TGF-β1/Smad signalling pathway and restoring GSK-3β phosphorylation. Altogether, treatment with A740003 could serve as a new cardioprotective strategy to attenuate post-AMI fibrotic remodelling.
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Affiliation(s)
- Noura Almusallam
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
- Pharmaceutical Care Department, King Saud Medical City, Ministry of Health, Riyadh 11196, Saudi Arabia
| | - Asma Alonazi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Anfal Bin Dayel
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdullah Almubarak
- Experimental Surgery and Animal Laboratory, Prince Naif Bin Abdul Aziz Health Research Center, King Saud University, Riyadh 11451, Saudi Arabia
| | - Rizwan Ali
- King Abdullah International Medical Research Center, Medical Research Core Facility and Platforms, King Saud bin Abdulaziz University for Health Sciences, Ministry of National Guard Health Affairs, Riyadh 11481, Saudi Arabia
| | - Wajd Althakfi
- Department of Pathology, College of Medicine, KSUMC, King Saud University, Riyadh 11451, Saudi Arabia
| | - Rehab Ali
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Nouf Alrasheed
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
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Stevens SA, Sunilkumar S, Subrahmanian SM, Toro AL, Cavus O, Omorogbe EV, Bradley EA, Dennis MD. REDD1 Deletion Suppresses NF-κB Signaling in Cardiomyocytes and Prevents Deficits in Cardiac Function in Diabetic Mice. Int J Mol Sci 2024; 25:6461. [PMID: 38928166 PMCID: PMC11204184 DOI: 10.3390/ijms25126461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 06/06/2024] [Accepted: 06/08/2024] [Indexed: 06/28/2024] Open
Abstract
Activation of the transcription factor NF-κB in cardiomyocytes has been implicated in the development of cardiac function deficits caused by diabetes. NF-κB controls the expression of an array of pro-inflammatory cytokines and chemokines. We recently discovered that the stress response protein regulated in development and DNA damage response 1 (REDD1) was required for increased pro-inflammatory cytokine expression in the hearts of diabetic mice. The studies herein were designed to extend the prior report by investigating the role of REDD1 in NF-κB signaling in cardiomyocytes. REDD1 genetic deletion suppressed NF-κB signaling and nuclear localization of the transcription factor in human AC16 cardiomyocyte cultures exposed to TNFα or hyperglycemic conditions. A similar suppressive effect on NF-κB activation and pro-inflammatory cytokine expression was also seen in cardiomyocytes by knocking down the expression of GSK3β. NF-κB activity was restored in REDD1-deficient cardiomyocytes exposed to hyperglycemic conditions by expression of a constitutively active GSK3β variant. In the hearts of diabetic mice, REDD1 was required for reduced inhibitory phosphorylation of GSK3β at S9 and upregulation of IL-1β and CCL2. Diabetic REDD1+/+ mice developed systolic functional deficits evidenced by reduced ejection fraction. By contrast, REDD1-/- mice did not exhibit a diabetes-induced deficit in ejection fraction and left ventricular chamber dilatation was reduced in diabetic REDD1-/- mice, as compared to diabetic REDD1+/+ mice. Overall, the results support a role for REDD1 in promoting GSK3β-dependent NF-κB signaling in cardiomyocytes and in the development of cardiac function deficits in diabetic mice.
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Affiliation(s)
- Shaunaci A. Stevens
- Department of Cellular and Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Siddharth Sunilkumar
- Department of Cellular and Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Sandeep M. Subrahmanian
- Department of Cellular and Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Allyson L. Toro
- Department of Cellular and Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Omer Cavus
- Division of Cardiovascular Medicine, Penn State Health Heart and Vascular Institute, Hershey S. Milton Medical Center, Hershey, PA 17033, USA
| | - Efosa V. Omorogbe
- Department of Cellular and Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Elisa A. Bradley
- Department of Cellular and Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA
- Division of Cardiovascular Medicine, Penn State Health Heart and Vascular Institute, Hershey S. Milton Medical Center, Hershey, PA 17033, USA
| | - Michael D. Dennis
- Department of Cellular and Molecular Physiology, Penn State College of Medicine, Hershey, PA 17033, USA
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Ahmad F, Gupta A, Marzook H, Woodgett JR, Saleh MA, Qaisar R. Natural compound screening predicts novel GSK-3 isoform-specific inhibitors. Biochimie 2024; 225:68-80. [PMID: 38723940 DOI: 10.1016/j.biochi.2024.05.002] [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: 02/11/2024] [Revised: 04/21/2024] [Accepted: 05/02/2024] [Indexed: 05/24/2024]
Abstract
Glycogen synthase kinase-3 (GSK-3) plays important roles in the pathogenesis of cardiovascular, metabolic, neurological disorders and cancer. Isoform-specific loss of either GSK-3α or GSK-3β often provides cytoprotective effects under such clinical conditions. However, available synthetic small molecule inhibitors are relatively non-specific, and their chronic use may lead to adverse effects. Therefore, screening for natural compound inhibitors to identify the isoform-specific inhibitors may provide improved clinical utility. Here, we screened 70 natural compounds to identify novel natural GSK-3 inhibitors employing comprehensive in silico and biochemical approaches. Molecular docking and pharmacokinetics analysis identified two natural compounds Psoralidin and Rosmarinic acid as potential GSK-3 inhibitors. Specifically, Psoralidin and Rosmarinic acid exhibited the highest binding affinities for GSK-3α and GSK-3β, respectively. Consistent with in silico findings, the kinase assay-driven IC50 revealed superior inhibitory effects of Psoralidin against GSK-3α (IC50 = 2.26 μM) vs. GSK-3β (IC50 = 4.23 μM) while Rosmarinic acid was found to be more potent against GSK-3β (IC50 = 2.24 μM) than GSK-3α (IC50 = 5.14 μM). Taken together, these studies show that the identified natural compounds may serve as GSK-3 inhibitors with Psoralidin serving as a better inhibitor for GSK-3α and Rosmarinic for GSK-3β isoform, respectively. Further characterization employing in vitro and preclinical models will be required to test the utility of these compounds as GSK-3 inhibitors for cardiometabolic and neurological disorders and cancers.
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Affiliation(s)
- Firdos Ahmad
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, United Arab Emirates; Cardiovascular Research Group, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; Space Medicine Research Group, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates.
| | - Anamika Gupta
- Cardiovascular Research Group, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Hezlin Marzook
- Cardiovascular Research Group, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - James R Woodgett
- Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, ON, Canada
| | - Mohamed A Saleh
- Cardiovascular Research Group, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt; Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Rizwan Qaisar
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, United Arab Emirates; Cardiovascular Research Group, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; Space Medicine Research Group, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
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Al Ashmar S, Anlar GG, Krzyslak H, Djouhri L, Kamareddine L, Pedersen S, Zeidan A. Proteomic Analysis of Prehypertensive and Hypertensive Patients: Exploring the Role of the Actin Cytoskeleton. Int J Mol Sci 2024; 25:4896. [PMID: 38732116 PMCID: PMC11084483 DOI: 10.3390/ijms25094896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 02/20/2024] [Accepted: 02/26/2024] [Indexed: 05/13/2024] Open
Abstract
Hypertension is a pervasive and widespread health condition that poses a significant risk factor for cardiovascular disease, which includes conditions such as heart attack, stroke, and heart failure. Despite its widespread occurrence, the exact cause of hypertension remains unknown, and the mechanisms underlying the progression from prehypertension to hypertension require further investigation. Recent proteomic studies have shown promising results in uncovering potential biomarkers related to disease development. In this study, serum proteomic data collected from Qatar Biobank were analyzed to identify altered protein expression between individuals with normal blood pressure, prehypertension, and hypertension and to elucidate the biological pathways contributing to this disease. The results revealed a cluster of proteins, including the SRC family, CAMK2B, CAMK2D, TEC, GSK3, VAV, and RAC, which were markedly upregulated in patients with hypertension compared to those with prehypertension (fold change ≥ 1.6 or ≤-1.6, area under the curve ≥ 0.8, and q-value < 0.05). Pathway analysis showed that the majority of these proteins play a role in actin cytoskeleton remodeling. Actin cytoskeleton reorganization affects various biological processes that contribute to the maintenance of blood pressure, including vascular tone, endothelial function, cellular signaling, inflammation, fibrosis, and mechanosensing. Therefore, the findings of this study suggest a potential novel role of actin cytoskeleton-related proteins in the progression from prehypertension to hypertension. The present study sheds light on the underlying pathological mechanisms involved in hypertension and could pave the way for new diagnostic and therapeutic approaches for the treatment of this disease.
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Affiliation(s)
- Sarah Al Ashmar
- Department of Basic Sciences, College of Medicine, QU Health, Qatar University, Doha 2713, Qatar; (S.A.A.); (G.G.A.); (L.D.)
| | - Gulsen Guliz Anlar
- Department of Basic Sciences, College of Medicine, QU Health, Qatar University, Doha 2713, Qatar; (S.A.A.); (G.G.A.); (L.D.)
| | - Hubert Krzyslak
- Department of Clinical Biochemistry, Aalborg University Hospital, 9000 Aalborg, Denmark;
| | - Laiche Djouhri
- Department of Basic Sciences, College of Medicine, QU Health, Qatar University, Doha 2713, Qatar; (S.A.A.); (G.G.A.); (L.D.)
| | - Layla Kamareddine
- Biomedical Sciences Department, College of Health Sciences, QU Health, Qatar University, Doha 2713, Qatar;
- Biomedical Research Center, Qatar University, Doha 2713, Qatar
| | - Shona Pedersen
- Department of Basic Sciences, College of Medicine, QU Health, Qatar University, Doha 2713, Qatar; (S.A.A.); (G.G.A.); (L.D.)
| | - Asad Zeidan
- Department of Basic Sciences, College of Medicine, QU Health, Qatar University, Doha 2713, Qatar; (S.A.A.); (G.G.A.); (L.D.)
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Boovarahan SR, Kurian GA. Ischemic preconditioning modulates the DNA methylation process of the rat heart to provide tolerance to withstand ischemia reperfusion injury and its associated mitochondrial dysfunction. 3 Biotech 2024; 14:121. [PMID: 38550905 PMCID: PMC10965879 DOI: 10.1007/s13205-024-03965-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 02/22/2024] [Indexed: 04/11/2024] Open
Abstract
DNA methylation plays a crucial role in the pathogenesis of myocardial ischemia reperfusion injury(I/R) and the I/R injury can be combated effectively by ischemia preconditioning (IPC), but the role is DNA methylation in this process is unknown. In this study, we uncovered the role of ischemic preconditioning (IPC)- mediated cardioprotection of rat myocardium by using a Langendorff rat heart model with 30 min of ischemia followed by 60 min of reperfusion. Heart conditioned with short cycles of ischemia and reperfusion (IPC procedure) prior to I/R protocol significantly reduced the I/R-induced global DNA hypermethylation level by 32% and the DNMT activity by 33% while rendering cardioprotection. Blocking the PI3K pathway via wortmannin not only negates the cardio-protection by IPC, but also increases the methylation of DNA by 75%. Besides, the correlation analysis showed a negative relationship between PI3K gene expression and the global DNA methylation level (r = - 0.8690, p = 0.0419) in IPC-treated rat hearts. Moreover, the global level DNA hypomethylation induced by IPC exhibited a regulatory effect on the genes involved in I/R pathology mediators like apoptosis (Caspase3), mitochondrial function (PGC 1α, TFAM, ND1) and oxidative stress (CuZnSOD, SOD2), and their corresponding function. The present study results provide novel evidence for the involvement of DNA methylation in the IPC procedure, and suggest DNA methylation as one of the potential therapeutic targets regulated by ischemic preconditioning in rat hearts subjected to ischemia reperfusion. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-024-03965-0.
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Affiliation(s)
- Sri Rahavi Boovarahan
- Vascular Biology Lab, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, Tamilnadu 613401 India
| | - Gino A. Kurian
- Vascular Biology Lab, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, Tamilnadu 613401 India
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Wu Q, Liu WJ, Ma XY, Chang JS, Zhao XY, Liu YH, Yu XY. Zonisamide attenuates pressure overload-induced myocardial hypertrophy in mice through proteasome inhibition. Acta Pharmacol Sin 2024; 45:738-750. [PMID: 38097716 PMCID: PMC10943222 DOI: 10.1038/s41401-023-01191-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Accepted: 11/02/2023] [Indexed: 03/17/2024] Open
Abstract
Myocardial hypertrophy is a pathological thickening of the myocardium which ultimately results in heart failure. We previously reported that zonisamide, an antiepileptic drug, attenuated pressure overload-caused myocardial hypertrophy and diabetic cardiomyopathy in murine models. In addition, we have found that the inhibition of proteasome activates glycogen synthesis kinase 3 (GSK-3) thus alleviates myocardial hypertrophy, which is an important anti-hypertrophic strategy. In this study, we investigated whether zonisamide prevented pressure overload-caused myocardial hypertrophy through suppressing proteasome. Pressure overload-caused myocardial hypertrophy was induced in mice by trans-aortic constriction (TAC) surgery. Two days after the surgery, the mice were administered zonisamide (10, 20, 40 mg·kg-1·d-1, i.g.) for four weeks. We showed that zonisamide administration significantly mitigated impaired cardiac function. Furthermore, zonisamide administration significantly inhibited proteasome activity as well as the expression levels of proteasome subunit beta types (PSMB) of the 20 S proteasome (PSMB1, PSMB2 and PSMB5) and proteasome-regulated particles (RPT) of the 19 S proteasome (RPT1, RPT4) in heart tissues of TAC mice. In primary neonatal rat cardiomyocytes (NRCMs), zonisamide (0.3 μM) prevented myocardial hypertrophy triggered by angiotensin II (Ang II), and significantly inhibited proteasome activity, proteasome subunits and proteasome-regulated particles. In Ang II-treated NRCMs, we found that 18α-glycyrrhetinic acid (18α-GA, 2 mg/ml), a proteasome inducer, eliminated the protective effects of zonisamide against myocardial hypertrophy and proteasome. Moreover, zonisamide treatment activated GSK-3 through inhibiting the phosphorylated AKT (protein kinase B, PKB) and phosphorylated liver kinase B1/AMP-activated protein kinase (LKB1/AMPKα), the upstream of GSK-3. Zonisamide treatment also inhibited GSK-3's downstream signaling proteins, including extracellular signal-regulated kinase (ERK) and GATA binding protein 4 (GATA4), both being the hypertrophic factors. Collectively, this study highlights the potential of zonisamide as a new therapeutic agent for myocardial hypertrophy, as it shows potent anti-hypertrophic potential through the suppression of proteasome.
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Affiliation(s)
- Qian Wu
- Department of Pharmacology, Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Wan-Jie Liu
- Department of Pharmacology, Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Xin-Yu Ma
- Department of Pharmacology, Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Ji-Shuo Chang
- Department of Pharmacology, Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Xiao-Ya Zhao
- Department of Pharmacology, Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Ying-Hua Liu
- Department of Pharmacology, Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China.
| | - Xi-Yong Yu
- Department of Pharmacology, Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China.
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9
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Muluhie M, Castiglioni L, Rzemieniec J, Mercuriali B, Gelosa P, Sironi L. Montelukast, an available and safe anti-asthmatic drug, prevents maladaptive remodelling and maintains cardiac functionality following myocardial infarction. Sci Rep 2024; 14:3371. [PMID: 38337010 PMCID: PMC10858037 DOI: 10.1038/s41598-024-53936-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 02/06/2024] [Indexed: 02/12/2024] Open
Abstract
Preclinical and clinical data indicate that the 5-lipoxygenase pathway becomes activated in cardiovascular diseases suggesting an important role of CysLTs in atherosclerosis and in its ischemic complications. This study aims to investigate the effects of montelukast, a CysLTR-1 antagonist, in a mouse model of myocardial infarction (MI). C57BL/6N female mice were subjected to coronary artery ligation and received montelukast (10 mg/kg/day, intraperitoneal) or vehicle. Montelukast exerted beneficial effects in the infarcted area, decreasing mRNA expression of inflammatory genes, such Il1β and Ccl2 (p < 0.05), at 48 h after MI, and reducing infarct size and preventing ischemic wall thinning (p < 0.05) at 4 weeks. Furthermore, montelukast counteracted maladaptive remodelling of whole heart. Indeed, montelukast reduced LV mass (p < 0.05) and remote wall thickening (p < 0.05), and improved cardiac pumping function, as evidenced by increased global ejection fraction (p < 0.01), and regional contractility in infarcted (p < 0.05) and in remote non-infarcted (p < 0.05) myocardium. Finally, montelukast prevented cardiomyocytes hypertrophy (p < 0.05) in remote myocardium, reducing the phosphorylation of GSK3β, a regulator of hypertrophic pathway (p < 0.05). Our data strongly demonstrate the ability of montelukast to contrast the MI-induced maladaptive conditions, thus sustaining cardiac contractility. The results provide evidences for montelukast "repurposing" in cardiovascular diseases and in particular in myocardial infarction.
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Affiliation(s)
- Majeda Muluhie
- Department of Pharmaceutical Sciences, University of Milan, Via G. Balzaretti 9, 20133, Milan, Italy
| | - Laura Castiglioni
- Department of Pharmaceutical Sciences, University of Milan, Via G. Balzaretti 9, 20133, Milan, Italy
| | - Joanna Rzemieniec
- Department of Pharmaceutical Sciences, University of Milan, Via G. Balzaretti 9, 20133, Milan, Italy
| | - Benedetta Mercuriali
- Department of Pharmaceutical Sciences, University of Milan, Via G. Balzaretti 9, 20133, Milan, Italy
| | - Paolo Gelosa
- Department of Pharmaceutical Sciences, University of Milan, Via G. Balzaretti 9, 20133, Milan, Italy
| | - Luigi Sironi
- Department of Pharmaceutical Sciences, University of Milan, Via G. Balzaretti 9, 20133, Milan, Italy.
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10
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Qu JH, Chakir K, Tarasov KV, Riordon DR, Perino MG, Silvester AJ, Lakatta EG. Reprogramming of cardiac phosphoproteome, proteome, and transcriptome confers resilience to chronic adenylyl cyclase-driven stress. eLife 2024; 12:RP88732. [PMID: 38251682 PMCID: PMC10945681 DOI: 10.7554/elife.88732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024] Open
Abstract
Our prior study (Tarasov et al., 2022) discovered that numerous adaptive mechanisms emerge in response to cardiac-specific overexpression of adenylyl cyclase type 8 (TGAC8) which included overexpression of a large number of proteins. Here, we conducted an unbiased phosphoproteomics analysis in order to determine the role of altered protein phosphorylation in the adaptive heart performance and protection profile of adult TGAC8 left ventricle (LV) at 3-4 months of age, and integrated the phosphoproteome with transcriptome and proteome. Based on differentially regulated phosphoproteins by genotype, numerous stress-response pathways within reprogrammed TGAC8 LV, including PKA, PI3K, and AMPK signaling pathways, predicted upstream regulators (e.g. PDPK1, PAK1, and PTK2B), and downstream functions (e.g. cell viability, protein quality control), and metabolism were enriched. In addition to PKA, numerous other kinases and phosphatases were hyper-phosphorylated in TGAC8 vs. WT. Hyper-phosphorylated transcriptional factors in TGAC8 were associated with increased mRNA transcription, immune responses, and metabolic pathways. Combination of the phosphoproteome with its proteome and with the previously published TGAC8 transcriptome enabled the elucidation of cardiac performance and adaptive protection profiles coordinately regulated at post-translational modification (PTM) (phosphorylation), translational, and transcriptional levels. Many stress-response signaling pathways, i.e., PI3K/AKT, ERK/MAPK, and ubiquitin labeling, were consistently enriched and activated in the TGAC8 LV at transcriptional, translational, and PTM levels. Thus, reprogramming of the cardiac phosphoproteome, proteome, and transcriptome confers resilience to chronic adenylyl cyclase-driven stress. We identified numerous pathways/function predictions via gene sets, phosphopeptides, and phosphoproteins, which may point to potential novel therapeutic targets to enhance heart adaptivity, maintaining heart performance while avoiding cardiac dysfunction.
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Affiliation(s)
- Jia-Hua Qu
- Laboratory of Cardiovascular Science, Intramural Research Program, National Institute on Aging, National Institutes of HealthBaltimoreUnited States
- Department of Immunology, St. Jude Children’s Research HospitalMemphisUnited States
| | - Khalid Chakir
- Laboratory of Cardiovascular Science, Intramural Research Program, National Institute on Aging, National Institutes of HealthBaltimoreUnited States
| | - Kirill V Tarasov
- Laboratory of Cardiovascular Science, Intramural Research Program, National Institute on Aging, National Institutes of HealthBaltimoreUnited States
| | - Daniel R Riordon
- Laboratory of Cardiovascular Science, Intramural Research Program, National Institute on Aging, National Institutes of HealthBaltimoreUnited States
| | - Maria Grazia Perino
- Laboratory of Cardiovascular Science, Intramural Research Program, National Institute on Aging, National Institutes of HealthBaltimoreUnited States
| | - Allwin Jennifa Silvester
- Laboratory of Cardiovascular Science, Intramural Research Program, National Institute on Aging, National Institutes of HealthBaltimoreUnited States
| | - Edward G Lakatta
- Laboratory of Cardiovascular Science, Intramural Research Program, National Institute on Aging, National Institutes of HealthBaltimoreUnited States
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11
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Sivakumar B, Nadeem A, Dar MA, Kurian GA. PM 2.5 Exposure-Linked Mitochondrial Dysfunction Negates SB216763-Mediated Cardio-Protection against Myocardial Ischemia-Reperfusion Injury. Life (Basel) 2023; 13:2234. [PMID: 38004374 PMCID: PMC10672572 DOI: 10.3390/life13112234] [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: 11/11/2023] [Accepted: 11/19/2023] [Indexed: 11/26/2023] Open
Abstract
GSK3β is a promising target for treating various disease conditions, including myocardial ischemia-reperfusion injury (IR). This study investigated the potential of GSK3β as a novel drug for managing IR in rats exposed to PM2.5 for 1 day and up to 21 days. Female Wistar rats were exposed to PM2.5 at a concentration of 250 µg/m3 for 3 h daily for either a single day or 21 days. After exposure, the isolated rat hearts underwent 30 min of ischemia followed by 60 min of reperfusion. GSK3β inhibition effectively reduced IR injury in rat hearts from animals exposed to PM2.5 for 1 day but not in those exposed for 21 days. PM2.5 exposure disrupted the redox balance in mitochondria and reduced the gene expression of antioxidants (glutaredoxin and peroxiredoxin) and NRF2, which protects against oxidative stress. PM2.5 also impaired mitochondrial bioenergetics, membrane potential, and quality control, leading to mitochondrial stress. Importantly, PM2.5 increased the translocation of GSK3β into mitochondria and compromised the overall mitochondrial function, particularly in the 21-day-exposed rat myocardium. The results indicate that extended exposure to PM2.5 leads to oxidative stress that disrupts mitochondrial function and diminishes the effectiveness of GSK3β inhibitors in offering cardio-protection through mitochondria.
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Affiliation(s)
- Bhavana Sivakumar
- Vascular Biology Lab, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur 613401, Tamil Nadu, India;
| | - Ahmed Nadeem
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Mashooq Ahmad Dar
- Laboratory of Preclinical Testing of Higher Standard, Nencki Institute of Experimental Biology of Polish Academy of Sciences 3, 02-093 Warsaw, Poland;
| | - Gino A. Kurian
- Vascular Biology Lab, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur 613401, Tamil Nadu, India;
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12
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Li X, Wang Y, Liu C, Fu G, Li J, Zhang J. Beraprost sodium attenuates the development of myocardial fibrosis after myocardial infarction by regulating GSK-3β expression in rats. Immun Inflamm Dis 2023; 11:e1050. [PMID: 38018586 PMCID: PMC10633815 DOI: 10.1002/iid3.1050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 09/21/2023] [Accepted: 10/05/2023] [Indexed: 11/30/2023] Open
Abstract
OBJECTIVE The aim of this study was to elucidate the mechanism of beraprost sodium (BPS) in the intervention of myocardial fibrosis after myocardial infarction (MI) through glycogen synthase kinase-3β (GSK-3β) and to provide new ideas for intervention in myocardial fibrosis. MATERIALS AND METHODS MI model rats given BPS and cardiac fibroblasts (CFs) treated with BPS and TGF-β. HE staining and Masson staining were used to detect the pathological changes of myocardial tissue. Fibrotic markers were detected by immunohistochemical staining. The expressions of GSK-3β, cAMP response element binding protein (CREB), and p-CREB were analyzed by qPCR and western blot analysis. EDU staining was used to detect the proliferation of CFs. The promoter activity of GSK-3β was detected by luciferase assay. Chromatin immunoprecipitation assay was used to detect the binding levels of GSK-3β promoter and Y-box binding protein 1 (YBX1). The levels of intracellular cyclic adenosine monophosphate (cAMP) were analyzed by enzyme-linked immunosorbent assay (ELISA). RESULTS After operation, BPS improved myocardial fibrosis and upregulated GSK-3β protein expression in male SD rats. BPS can down-regulate α-smooth muscle actin (α-SMA) level and up-regulate GSK-3β protein expression in CFs after TGF-β stimulation. Furthermore, GSK-3β knockdown can reverse the effect of BPS on TGF-β-activated CFs, enhance α-SMA expression, and promote the proliferation of CFs. BPS could regulate GSK-3β expression by promoting the binding of GSK-3β promoter to YBX1. BPS induced upregulation of p-CREB and cAMP, resulting in reduced fibrosis, which was reversed by the knockdown of GSK-3β or prostaglandin receptor (IPR) antagonists. CONCLUSION BPS treatment increased the binding of YBX1 to the GSK-3β promoter, and GSK-3β protein expression was upregulated, which further caused the upregulation of p-CREB and cAMP, and finally inhibited myocardial fibrosis.
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Affiliation(s)
- Xing‐Xing Li
- Department of Extracorporeal Life Support CenterThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
| | - Yun‐Zhe Wang
- Department of CardiologyThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
| | - Chuang Liu
- Department of Extracorporeal Life Support CenterThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
| | - Guo‐Wei Fu
- Department of Extracorporeal Life Support CenterThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
| | - Jun Li
- Department of Extracorporeal Life Support CenterThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
| | - Jin‐Ying Zhang
- Department of CardiologyThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
- Henan Province′s Key Laboratory of Cardiac Injury and RepairZhengzhouChina
- Henan Province Clinical Research Center for Cardiovascular DiseasesZhengzhouChina
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13
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Ahmad F, Marzook H, Gupta A, Aref A, Patil K, Khan AA, Saleh MA, Koch WJ, Woodgett JR, Qaisar R. GSK-3α aggravates inflammation, metabolic derangement, and cardiac injury post-ischemia/reperfusion. J Mol Med (Berl) 2023; 101:1379-1396. [PMID: 37707557 DOI: 10.1007/s00109-023-02373-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 08/18/2023] [Accepted: 09/05/2023] [Indexed: 09/15/2023]
Abstract
Reperfusion after acute myocardial infarction further exaggerates cardiac injury and adverse remodeling. Irrespective of cardiac cell types, loss of specifically the α isoform of the protein kinase GSK-3 is protective in chronic cardiac diseases. However, the role of GSK-3α in clinically relevant ischemia/reperfusion (I/R)-induced cardiac injury is unknown. Here, we challenged cardiomyocyte-specific conditional GSK-3α knockout (cKO) and littermate control mice with I/R injury and investigated the underlying molecular mechanism using an in vitro GSK-3α gain-of-function model in AC16 cardiomyocytes post-hypoxia/reoxygenation (H/R). Analysis revealed a significantly lower percentage of infarct area in the cKO vs. control hearts post-I/R. Consistent with in vivo findings, GSK-3α overexpression promoted AC16 cardiomyocyte death post-H/R which was accompanied by an induction of reactive oxygen species (ROS) generation. Consistently, GSK-3α gain-of-function caused mitochondrial dysfunction by significantly suppressing mitochondrial membrane potential. Transcriptomic analysis of GSK-3α overexpressing cardiomyocytes challenged with hypoxia or H/R revealed that NOD-like receptor (NLR), TNF, NF-κB, IL-17, and mitogen-activated protein kinase (MAPK) signaling pathways were among the most upregulated pathways. Glutathione and fatty acid metabolism were among the top downregulated pathways post-H/R. Together, these observations suggest that loss of cardiomyocyte-GSK-3α attenuates cardiac injury post-I/R potentially through limiting the myocardial inflammation, mitochondrial dysfunction, and metabolic derangement. Therefore, selective inhibition of GSK-3α may provide beneficial effects in I/R-induced cardiac injury and remodeling. KEY MESSAGES: GSK-3α promotes cardiac injury post-ischemia/reperfusion (I/R). GSK-3α regulates inflammatory and metabolic pathways post-hypoxia/reoxygenation (H/R). GSK-3α overexpression upregulates NOD-like receptor (NLR), TNF, NF-kB, IL-17, and MAPK signaling pathways in cardiomyocytes post-H/R. GSK-3α downregulates glutathione and fatty acid metabolic pathways in cardiomyocytes post-H/R.
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Affiliation(s)
- Firdos Ahmad
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, UAE.
- Cardiovascular Research Group, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, UAE.
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, TN, 37240, USA.
| | - Hezlin Marzook
- Cardiovascular Research Group, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, UAE
| | - Anamika Gupta
- Cardiovascular Research Group, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, UAE
| | - Aseel Aref
- Cardiovascular Research Group, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, UAE
| | - Kiran Patil
- LifeBytes India Pvt Ltd., Brigade Triumph, Hebbal Kempapura, Bengaluru, Karnataka, 560092, India
| | - Amir Ali Khan
- Department of Applied Biology, College of Science, University of Sharjah, Sharjah, 27272, UAE
- BioGrad Biobank, 61 Stephenson Way, Liverpool, L13 1HN, UK
| | - Mohamed A Saleh
- Cardiovascular Research Group, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, UAE
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, UAE
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
| | - Walter J Koch
- Department of Surgery, Duke University School of Medicine, Durham, NC, 27710, USA
| | - James R Woodgett
- Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, ON, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, Canada
| | - Rizwan Qaisar
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, UAE
- Cardiovascular Research Group, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, UAE
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14
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Li T, Xiong X, Wang Y, Li Y, Liu Y, Zhang M, Li C, Yu T, Cao W, Chen S, Zhang H, Wang X, Lv L, Zhou Y, Liang H, Li X, Shan H. Neuroepithelial cell-transforming 1 promotes cardiac fibrosis via the Wnt/β-catenin signaling pathway. iScience 2023; 26:107888. [PMID: 37766986 PMCID: PMC10520536 DOI: 10.1016/j.isci.2023.107888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 07/15/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
This study found that the level of neuroepithelial cell-transforming gene 1 protein (NET1) was significantly increased in a mouse cardiac fibrosis model. Moreover, the expression level of NET1 was increased in cardiac fibrosis induced by TGF-β1, suggesting that NET1 was involved in the pathological process of cardiac fibrosis. Overexpression of NET1 promoted β-catenin expression in the nucleus and significantly increased the proliferation and migration of cardiac fibroblasts. NET1 may form a complex with β-catenin through GSK3β. Knockdown of β-catenin alleviated the effects of NET1 overexpression on collagen production and cell migration. In the heart of NET1 knockout mice, NET1 knockout can reduce the expression of β-catenin, α-SMA, and collagen content induced by MI. In conclusion, NET1 may regulate the activation of Wnt/β-catenin and TGF/Smads signaling pathway, promote collagen synthesis in fibroblasts, and participate in cardiac fibrosis. Thus, NET1 may be a potential therapeutic target in cardiac fibrosis.
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Affiliation(s)
- Tianyu Li
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
- Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150040, P.R. China
| | - Xue Xiong
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Yujing Wang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Yue Li
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Yao Liu
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Mingxiu Zhang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Chao Li
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Tong Yu
- Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, P.R. China
| | - Wei Cao
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Shuangshuang Chen
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Huizhen Zhang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Xiaona Wang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Lifang Lv
- The Centre of Functional Experiment Teaching, School of Basic Medicine, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Yuhong Zhou
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Haihai Liang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
- Research Unit of Noninfectious Chronic Diseases in Frigid Zone (2019RU070), Chinese Academy of Medical Sciences, Harbin 150081, P.R. China
| | - Xuelian Li
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Hongli Shan
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
- Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai 201620, P.R. China
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15
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Kaplan A, Lakkis B, El-Samadi L, Karaayvaz EB, Booz GW, Zouein FA. Cooling Down Inflammation in the Cardiovascular System via the Nicotinic Acetylcholine Receptor. J Cardiovasc Pharmacol 2023; 82:241-265. [PMID: 37539950 DOI: 10.1097/fjc.0000000000001455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 07/06/2023] [Indexed: 08/05/2023]
Abstract
ABSTRACT Inflammation is a major player in many cardiovascular diseases including hypertension, atherosclerosis, myocardial infarction, and heart failure. In many individuals, these conditions coexist and mutually exacerbate each other's progression. The pathophysiology of these diseases entails the active involvement of both innate and adaptive immune cells. Immune cells that possess the α7 subunit of the nicotinic acetylcholine receptor on their surface have the potential to be targeted through both pharmacological and electrical stimulation of the cholinergic system. The cholinergic system regulates the inflammatory response to various stressors in different organ systems by systematically suppressing spleen-derived monocytes and chemokines and locally improving immune cell function. Research on the cardiovascular system has demonstrated the potential for atheroma plaque stabilization and regression as favorable outcomes. Smaller infarct size and reduced fibrosis have been associated with improved cardiac function and a decrease in adverse cardiac remodeling. Furthermore, enhanced electrical stability of the myocardium can lead to a reduction in the incidence of ventricular tachyarrhythmia. In addition, improving mitochondrial dysfunction and decreasing oxidative stress can result in less myocardial tissue damage caused by reperfusion injury. Restoring baroreflex activity and reduction in renal damage can promote blood pressure regulation and help counteract hypertension. Thus, the present review highlights the potential of nicotinic acetylcholine receptor activation as a natural approach to alleviate the adverse consequences of inflammation in the cardiovascular system.
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Affiliation(s)
- Abdullah Kaplan
- Department of Pharmacology and Toxicology, Faculty of Medicine, American University of Beirut, Riad El-Solh, Beirut, Lebanon
- Department of Cardiology, Kemer Public Hospital, Kemer, Antalya, Turkey
- The Cardiovascular, Renal, and Metabolic Diseases Research Center of Excellence, American University of Beirut Medical Center, Riad El-Solh, Beirut, Lebanon
| | - Bachir Lakkis
- Department of Pharmacology and Toxicology, Faculty of Medicine, American University of Beirut, Riad El-Solh, Beirut, Lebanon
| | - Lana El-Samadi
- Department of Pharmacology and Toxicology, Faculty of Medicine, American University of Beirut, Riad El-Solh, Beirut, Lebanon
| | - Ekrem Bilal Karaayvaz
- Department of Cardiology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - George W Booz
- Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center, Jackson, MS; and
| | - Fouad A Zouein
- Department of Pharmacology and Toxicology, Faculty of Medicine, American University of Beirut, Riad El-Solh, Beirut, Lebanon
- The Cardiovascular, Renal, and Metabolic Diseases Research Center of Excellence, American University of Beirut Medical Center, Riad El-Solh, Beirut, Lebanon
- Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center, Jackson, MS; and
- Department of Signaling and Cardiovascular Pathophysiology, UMR-S 1180, Inserm, Université Paris-Saclay, France
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16
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Teli DM, Gajjar AK. Glycogen synthase kinase-3: A potential target for diabetes. Bioorg Med Chem 2023; 92:117406. [PMID: 37536264 DOI: 10.1016/j.bmc.2023.117406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 05/16/2023] [Accepted: 07/03/2023] [Indexed: 08/05/2023]
Abstract
Elevated circulating glucose level due to β-cell dysfunction has been a key marker of Type-II diabetes. Glycogen synthase kinase-3 (GSK-3) has been recognized as an enzyme involved in the control of glycogen metabolism. Consequently, inhibitors of GSK-3 have been explored for anti-diabetic effects in vitro and in animal models. Further, the mechanisms governing the regulation of this enzyme have been elucidated by means of a combination of structural and cellular biological investigations. This review article examines the structural analysis of GSK-3 as well as molecular modeling reports from numerous researchers in the context of the design and development of GSK-3 inhibitors. This article centers on the signaling pathway of GSK-3 relevant to its potential as a target for diabetes and discusses advancements till date on different molecular modification approaches used by researchers in the development of novel GSK-3 inhibitors as potential therapeutics for the treatment of Type II diabetes.
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Affiliation(s)
- Divya M Teli
- Department of Pharmaceutical Chemistry and Quality Assurance, L. M. College of Pharmacy, Ahmedabad, Gujarat 380009, India
| | - Anuradha K Gajjar
- Department of Pharmaceutical Chemistry and Quality Assurance, L. M. College of Pharmacy, Ahmedabad, Gujarat 380009, India.
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17
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Umbarkar P, Ejantkar S, Ruiz Ramirez SY, Toro Cora A, Zhang Q, Tousif S, Lal H. Cardiac fibroblast GSK-3α aggravates ischemic cardiac injury by promoting fibrosis, inflammation, and impairing angiogenesis. Basic Res Cardiol 2023; 118:35. [PMID: 37656238 DOI: 10.1007/s00395-023-01005-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 08/14/2023] [Accepted: 08/16/2023] [Indexed: 09/02/2023]
Abstract
Myocardial infarction (MI) is the leading cause of death worldwide. Glycogen synthase kinase-3 (GSK-3) has been considered to be a promising therapeutic target for cardiovascular diseases. GSK-3 is a family of ubiquitously expressed serine/threonine kinases. GSK-3 isoforms appear to play overlapping, unique, and even opposing functions in the heart. Previously, our group identified that cardiac fibroblast (FB) GSK-3β acts as a negative regulator of fibrotic remodeling in the ischemic heart. However, the role of FB-GSK-3α in MI pathology is not defined. To determine the role of FB-GSK-3α in MI-induced adverse cardiac remodeling, GSK-3α was deleted specifically in the residential fibroblast or myofibroblast (MyoFB) using tamoxifen (TAM) inducible Tcf21 or Periostin (Postn) promoter-driven Cre recombinase, respectively. Echocardiographic analysis revealed that FB- or MyoFB-specific GSK-3α deletion prevented the development of dilative remodeling and cardiac dysfunction. Morphometrics and histology studies confirmed improvement in capillary density and a remarkable reduction in hypertrophy and fibrosis in the KO group. We harvested the hearts at 4 weeks post-MI and analyzed signature genes of adverse remodeling. Specifically, qPCR analysis was performed to examine the gene panels of inflammation (TNFα, IL-6, IL-1β), fibrosis (COL1A1, COL3A1, COMP, Fibronectin-1, Latent TGF-β binding protein 2), and hypertrophy (ANP, BNP, MYH7). These molecular markers were essentially normalized due to FB-specific GSK-3α deletion. Further molecular studies confirmed that FB-GSK-3α could regulate NF-kB activation and expression of angiogenesis-related proteins. Our findings suggest that FB-GSK-3α plays a critical role in the pathological cardiac remodeling of ischemic hearts, therefore, it could be therapeutically targeted.
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Affiliation(s)
- Prachi Umbarkar
- Division of Cardiovascular Disease, UAB|The University of Alabama at Birmingham, 1720 2nd Ave South, Birmingham, AL, 35294-1913, USA.
| | - Suma Ejantkar
- Division of Cardiovascular Disease, UAB|The University of Alabama at Birmingham, 1720 2nd Ave South, Birmingham, AL, 35294-1913, USA
| | - Sulivette Y Ruiz Ramirez
- Division of Cardiovascular Disease, UAB|The University of Alabama at Birmingham, 1720 2nd Ave South, Birmingham, AL, 35294-1913, USA
| | - Angelica Toro Cora
- Division of Cardiovascular Disease, UAB|The University of Alabama at Birmingham, 1720 2nd Ave South, Birmingham, AL, 35294-1913, USA
| | - Qinkun Zhang
- Division of Cardiovascular Disease, UAB|The University of Alabama at Birmingham, 1720 2nd Ave South, Birmingham, AL, 35294-1913, USA
| | - Sultan Tousif
- Division of Cardiovascular Disease, UAB|The University of Alabama at Birmingham, 1720 2nd Ave South, Birmingham, AL, 35294-1913, USA
| | - Hind Lal
- Division of Cardiovascular Disease, UAB|The University of Alabama at Birmingham, 1720 2nd Ave South, Birmingham, AL, 35294-1913, USA.
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Sivakumar B, Ali N, Ahmad SF, Nadeem A, Waseem M, Kurian GA. PM 2.5-Induced Cardiac Structural Modifications and Declined Pro-Survival Signalling Pathways Are Responsible for the Inefficiency of GSK-3β Inhibitor in Attenuating Myocardial Ischemia-Reperfusion Injury in Rats. Cells 2023; 12:2064. [PMID: 37626874 PMCID: PMC10453520 DOI: 10.3390/cells12162064] [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: 06/17/2023] [Revised: 07/27/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023] Open
Abstract
Circulatory GSK3β is recognized as a biomarker and therapeutic target for diseases, including myocardial diseases. However, its potential as a target for myocardial ischemia-reperfusion injury (IR) in the presence of PM2.5 exposure is unclear. Wistar rats underwent IR following either a 21-day or single exposure to PM2.5 at a concentration of 250 µg/m3. The effects of GSK3β inhibitor on cardiac physiology, tissue injury, mitochondrial function, and the PI3K/AKT/GSK3β signalling axis were examined. The inhibitor was not effective in improving hemodynamics or reducing IR-induced infarction in the myocardium exposed to PM2.5 for 21 days. However, for a single-day exposure, the inhibitor showed potential in mitigating cardiac injury. In normal hearts undergoing IR, the inhibitor activated the PI3K/AKT signalling pathway, improved mitochondrial function, and reduced oxidative stress. These positive effects were not observed in PM2.5-exposed rats. Furthermore, the inhibitor stimulated autophagy in hearts exposed to PM2.5 for 21 days and subjected to IR, resulting in increased mTOR expression and decreased AMPK expression. In normal hearts and those exposed to a single dose of PM2.5, the inhibitor effectively activated the PI3K/Akt/AMPK axis. These findings suggest that GSK3β may not be a reliable therapeutic target for IR in the presence of chronic PM2.5 exposure.
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Affiliation(s)
- Bhavana Sivakumar
- Vascular Biology Laboratory, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur 613401, Tamil Nadu, India;
| | - Nemat Ali
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia; (N.A.); (S.F.A.); (A.N.)
| | - Sheikh F. Ahmad
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia; (N.A.); (S.F.A.); (A.N.)
| | - Ahmed Nadeem
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia; (N.A.); (S.F.A.); (A.N.)
| | - Mohammad Waseem
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland Eastern Shore, Princess Anne, MD 21853, USA;
| | - Gino A. Kurian
- Vascular Biology Laboratory, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur 613401, Tamil Nadu, India;
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Yu YN, Ren YY, Shao ZL, Chen BL, Cui BY, Chao CY, Guo LJ, Guo S, Zhang MX, Wang SX, Zhu ML, Yin YL, Li P. Perillaldehyde improves diabetic cardiomyopathy by upregulating miR-133a-3p to regulate GSK-3β. Eur J Pharmacol 2023; 953:175836. [PMID: 37329971 DOI: 10.1016/j.ejphar.2023.175836] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 06/04/2023] [Accepted: 06/06/2023] [Indexed: 06/19/2023]
Abstract
Diabetic cardiomyopathy (DCM) is part of the most important causes of death from cardiovascular disease. Perillaldehyde (PAE), a major component of the herb perilla, has been shown to ameliorate doxorubicin-induced cardiotoxicity, but it is unclear whether PAE exerts beneficial effects on DCM. Exploring the potential molecular mechanisms of PAE for the treatment of DCM through network pharmacology and molecular docking. The SD rat type 1 diabetes model was established by a single intraperitoneal injection of streptozotocin (60 mg/kg), the cardiac function indexes of each group were detected by echocardiography; the morphological changes, apoptosis, protein expression of P-GSK-3β (S9), collagen I (Col-Ⅰ), collagen III (Col-Ⅲ) and alpha-smooth muscle actin (α-SMA), and miR-133a-3p expression levels were detected. An DCM model of H9c2 cells was established in vitro and transfected with Mimic and Inhibitor of miR-133a-3p. The results showed that PAE ameliorated cardiac dysfunction, reduced fasting glucose and cardiac weight index, and improved myocardial injury and apoptosis in DCM rats. It reduced high glucose-induced apoptosis, promoted migration and improved mitochondrial division injury in H9c2 cells. PAE decreased P-GSK-3β (S9), Col-Ⅰ, Col-Ⅲ and α-SMA protein expression and upregulated miR-133a-3p expression levels. After miR-133a-3p Inhibitor treatment, the expression of P-GSK-3β (S9) and α-SMA expression were significantly increased; after miR-133a-3p Mimic treatment, the expression of P-GSK-3β (S9) and α-SMA decreased significantly in H9c2 cells. It suggests that the mechanism of action of PAE to improve DCM may be related to the upregulation of miR-133a-3p and inhibition of P-GSK-3β expression.
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Affiliation(s)
- Ya-Nan Yu
- College of Pharmacy, Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, Xinxiang Key Laboratory of Vascular Remodeling Intervention and Molecular Targeted Therapy Drug Development, Xinxiang Medical University, Xinxiang, 453003, China
| | - Yuan-Yuan Ren
- College of Pharmacy, Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, Xinxiang Key Laboratory of Vascular Remodeling Intervention and Molecular Targeted Therapy Drug Development, Xinxiang Medical University, Xinxiang, 453003, China
| | - Zhen-Lei Shao
- College of Pharmacy, Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, Xinxiang Key Laboratory of Vascular Remodeling Intervention and Molecular Targeted Therapy Drug Development, Xinxiang Medical University, Xinxiang, 453003, China
| | - Bu-Lei Chen
- College of Pharmacy, Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, Xinxiang Key Laboratory of Vascular Remodeling Intervention and Molecular Targeted Therapy Drug Development, Xinxiang Medical University, Xinxiang, 453003, China
| | - Bao-Yue Cui
- College of Pharmacy, Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, Xinxiang Key Laboratory of Vascular Remodeling Intervention and Molecular Targeted Therapy Drug Development, Xinxiang Medical University, Xinxiang, 453003, China
| | | | - Li-Juan Guo
- Department of Oncology, Xinxiang Medical University First Affiliated Hospital, Xinxiang, 453119, China
| | - Shuang Guo
- Hubei Key Laboratory of Diabetes and Angiopathy, Hubei University of Science and Technology, Xianning, 437100, China
| | - Ming-Xiang Zhang
- College of Pharmacy, Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, Xinxiang Key Laboratory of Vascular Remodeling Intervention and Molecular Targeted Therapy Drug Development, Xinxiang Medical University, Xinxiang, 453003, China
| | - Shuang-Xi Wang
- College of Pharmacy, Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, Xinxiang Key Laboratory of Vascular Remodeling Intervention and Molecular Targeted Therapy Drug Development, Xinxiang Medical University, Xinxiang, 453003, China.
| | - Mo-Li Zhu
- College of Pharmacy, Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, Xinxiang Key Laboratory of Vascular Remodeling Intervention and Molecular Targeted Therapy Drug Development, Xinxiang Medical University, Xinxiang, 453003, China.
| | - Ya-Ling Yin
- School of Basic Medical Sciences, Sino-UK Joint Laboratory of Brain Function and Injury of Henan Province, Department of Physiology and Pathophysiology, Xinxiang Medical University, Xinxiang, 453003, China.
| | - Peng Li
- College of Pharmacy, Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, Xinxiang Key Laboratory of Vascular Remodeling Intervention and Molecular Targeted Therapy Drug Development, Xinxiang Medical University, Xinxiang, 453003, China.
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20
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Hartz RA, Ahuja VT, Luo G, Chen L, Sivaprakasam P, Xiao H, Krause CM, Clarke WJ, Xu S, Tokarski JS, Kish K, Lewis H, Szapiel N, Ravirala R, Mutalik S, Nakmode D, Shah D, Burton CR, Macor JE, Dubowchik GM. Discovery of 2-(Anilino)pyrimidine-4-carboxamides as Highly Potent, Selective, and Orally Active Glycogen Synthase Kinase-3 (GSK-3) Inhibitors. J Med Chem 2023. [PMID: 37235865 DOI: 10.1021/acs.jmedchem.3c00364] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Glycogen synthase kinase-3 (GSK-3) is a serine/threonine kinase that serves as an important regulator of a broad range of cellular functions. It has been linked to Alzheimer's disease as well as various other diseases, including mood disorders, type 2 diabetes, and cancer. There is considerable evidence indicating that GSK-3β in the central nervous system plays a role in the production of abnormal, hyperphosphorylated, microtubule-associated tau protein found in neurofibrillary tangles associated with Alzheimer's disease. A series of analogues containing a pyrimidine-based hinge-binding heterocycle was synthesized and evaluated, leading to the identification of highly potent GSK-3 inhibitors with excellent kinase selectivity. Further evaluation of 34 and 40 in vivo demonstrated that these compounds are orally bioavailable, brain-penetrant GSK-3 inhibitors that lowered levels of phosphorylated tau in a triple-transgenic mouse Alzheimer's disease model.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | - Ramu Ravirala
- Biocon-Bristol Myers Squibb Research and Development Center, Biocon Park, Plot No. 2 & 3, Bommasandra Phase IV, Jigani Link Road, Bangalore 560099, India
| | - Sayali Mutalik
- Biocon-Bristol Myers Squibb Research and Development Center, Biocon Park, Plot No. 2 & 3, Bommasandra Phase IV, Jigani Link Road, Bangalore 560099, India
| | - Deepa Nakmode
- Biocon-Bristol Myers Squibb Research and Development Center, Biocon Park, Plot No. 2 & 3, Bommasandra Phase IV, Jigani Link Road, Bangalore 560099, India
| | - Devang Shah
- Biocon-Bristol Myers Squibb Research and Development Center, Biocon Park, Plot No. 2 & 3, Bommasandra Phase IV, Jigani Link Road, Bangalore 560099, India
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21
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Hartz RA, Ahuja VT, Sivaprakasam P, Xiao H, Krause CM, Clarke WJ, Kish K, Lewis H, Szapiel N, Ravirala R, Mutalik S, Nakmode D, Shah D, Burton CR, Macor JE, Dubowchik GM. Design, Structure-Activity Relationships, and In Vivo Evaluation of Potent and Brain-Penetrant Imidazo[1,2- b]pyridazines as Glycogen Synthase Kinase-3β (GSK-3β) Inhibitors. J Med Chem 2023; 66:4231-4252. [PMID: 36950863 DOI: 10.1021/acs.jmedchem.3c00133] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
Glycogen synthase kinase-3 (GSK-3) is a serine/threonine kinase that regulates numerous cellular processes, including metabolism, proliferation, and cell survival. Due to its multifaceted role, GSK-3 has been implicated in a variety of diseases, including Alzheimer's disease, type 2 diabetes, cancer, and mood disorders. GSK-3β has been linked to the formation of the neurofibrillary tangles associated with Alzheimer's disease that arise from the hyperphosphorylation of tau protein. The design and synthesis of a series of imidazo[1,2-b]pyridazine derivatives that were evaluated as GSK-3β inhibitors are described herein. Structure-activity relationship studies led to the identification of potent GSK-3β inhibitors. In vivo studies with 47 in a triple-transgenic mouse Alzheimer's disease model showed that this compound is a brain-penetrant, orally bioavailable GSK-3β inhibitor that significantly lowered levels of phosphorylated tau.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Ramu Ravirala
- Biocon-Bristol Myers Squibb Research and Development Center, Biocon Park, Plot No. 2 & 3, Bommasandra Phase IV, Jigani Link Road, Bangalore 560099, India
| | - Sayali Mutalik
- Biocon-Bristol Myers Squibb Research and Development Center, Biocon Park, Plot No. 2 & 3, Bommasandra Phase IV, Jigani Link Road, Bangalore 560099, India
| | - Deepa Nakmode
- Biocon-Bristol Myers Squibb Research and Development Center, Biocon Park, Plot No. 2 & 3, Bommasandra Phase IV, Jigani Link Road, Bangalore 560099, India
| | - Devang Shah
- Biocon-Bristol Myers Squibb Research and Development Center, Biocon Park, Plot No. 2 & 3, Bommasandra Phase IV, Jigani Link Road, Bangalore 560099, India
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22
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Marzook H, Gupta A, Tomar D, Saleh MA, Patil K, Semreen MH, Hamoudi R, Soares NC, Qaisar R, Ahmad F. Nicotinamide riboside kinase-2 regulates metabolic adaptation in the ischemic heart. J Mol Med (Berl) 2023; 101:311-326. [PMID: 36808555 DOI: 10.1007/s00109-023-02296-6] [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: 11/22/2022] [Revised: 01/18/2023] [Accepted: 02/06/2023] [Indexed: 02/23/2023]
Abstract
Ischemia-induced metabolic remodeling plays a critical role in the pathogenesis of adverse cardiac remodeling and heart failure however, the underlying molecular mechanism is largely unknown. Here, we assess the potential roles of nicotinamide riboside kinase-2 (NRK-2), a muscle-specific protein, in ischemia-induced metabolic switch and heart failure through employing transcriptomic and metabolomic approaches in ischemic NRK-2 knockout mice. The investigations revealed NRK-2 as a novel regulator of several metabolic processes in the ischemic heart. Cardiac metabolism and mitochondrial function and fibrosis were identified as top dysregulated cellular processes in the KO hearts post-MI. Several genes linked to mitochondrial function, metabolism, and cardiomyocyte structural proteins were severely downregulated in the ischemic NRK-2 KO hearts. Analysis revealed significantly upregulated ECM-related pathways which was accompanied by the upregulation of several key cell signaling pathways including SMAD, MAPK, cGMP, integrin, and Akt in the KO heart post-MI. Metabolomic studies identified profound upregulation of metabolites mevalonic acid, 3,4-dihydroxyphenylglycol, 2-penylbutyric acid, and uridine. However, other metabolites stearic acid, 8,11,14-eicosatrienoic acid, and 2-pyrrolidinone were significantly downregulated in the ischemic KO hearts. Taken together, these findings suggest that NRK-2 promotes metabolic adaptation in the ischemic heart. The aberrant metabolism in the ischemic NRK-2 KO heart is largely driven by dysregulated cGMP and Akt and mitochondrial pathways. KEY MESSAGES: Post-myocardial infarction metabolic switch critically regulates the pathogenesis of adverse cardiac remodeling and heart failure. Here, we report NRK-2 as a novel regulator of several cellular processes including metabolism and mitochondrial function post-MI. NRK-2 deficiency leads to downregulation of genes important for mitochondrial pathway, metabolism, and cardiomyocyte structural proteins in the ischemic heart. It was accompanied by upregulation of several key cell signaling pathways including SMAD, MAPK, cGMP, integrin, and Akt and dysregulation of numerous metabolites essential for cardiac bioenergetics. Taken together, these findings suggest that NRK-2 is critical for metabolic adaptation of the ischemic heart.
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Affiliation(s)
- Hezlin Marzook
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates
| | - Anamika Gupta
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates
| | - Dhanendra Tomar
- Department of Internal Medicine, Section On Cardiovascular Medicine, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Mohamed A Saleh
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, UAE
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
| | - Kiran Patil
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates
| | - Mohammad H Semreen
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates
- Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, P.O. 27272, Sharjah, United Arab Emirates
| | - Rifat Hamoudi
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, UAE
- Division of Surgery and Interventional Science, University College London, London, W1W 7EJ, UK
| | - Nelson C Soares
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates
- Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, P.O. 27272, Sharjah, United Arab Emirates
- Laboratory of Proteomics, Department of Human Genetics, National Institute of Health Doutor Ricardo Jorge (INSA), Av.a Padre Cruz, Lisbon, 1649-016, Portugal
| | - Rizwan Qaisar
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, UAE
| | - Firdos Ahmad
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates.
- Department of Biomedical Sciences, College of Health Sciences, Abu Dhabi University, 59911, Abu Dhabi, United Arab Emirates.
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, TN, 37240, USA.
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23
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Crozier RWE, Fajardo VA, MacNeil AJ. Targeting glycogen synthase kinase 3 with CHIR99021 negatively regulates allergen-induced mast cell activation. Eur J Immunol 2023; 53:e2250104. [PMID: 36349527 DOI: 10.1002/eji.202250104] [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: 07/28/2022] [Revised: 09/16/2022] [Accepted: 11/04/2022] [Indexed: 11/11/2022]
Abstract
Mast cells are granulated immune sentinels responsible for allergic inflammation. Allergen-induced FcεRI-signaling leads to rapid degranulation in the early-phase and sustained production and release of pro-inflammatory mediators in the late phase. Glycogen synthase kinase 3 (GSK3) is a constitutively active serine/threonine kinase and a central molecular convergence point for several pro-inflammatory pathways. GSK3 inhibition has been shown to reduce inflammation but has not yet been fully characterized in mast cell activation. Therefore, the objective of this study was to evaluate GSK3 as a putative therapeutic target in allergic inflammation using the GSK3 inhibitor, CHIR99021. Here, we found that GSK3 inhibition impaired ROS production and degranulation. Through modulation of MKK4-JNK, c-jun, and NF-κB signaling, GSK3 inhibition reduced the production/release of IL-6, IL-13, TNF, and CCL1, while only the release of CCL2 and CCL3 was impaired. Furthermore, CHIR99021-mediated GSK3 inhibition altered the pro-inflammatory phenotype of mast cells, reducing c-kit receptor levels. This implicated GSK3 in FcεRI signaling, reducing release of IL-6, TNF, and CCL1 when stimulated through FcεRI, while CCL2 and CCL3 remained unaffected, and were increased when stimulated with SCF only. These results identify GSK3 as a potential therapeutic target of utility warranting further consideration in contexts of pathological mast cell activation.
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Affiliation(s)
- Robert W E Crozier
- Department of Health Sciences, Brock University, St Catharines, Ontario, Canada
| | - Val A Fajardo
- Department of Kinesiology, Brock University, St Catharines, Ontario, Canada
| | - Adam J MacNeil
- Department of Health Sciences, Brock University, St Catharines, Ontario, Canada
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24
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Genome Editing and Cardiac Regeneration. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1396:37-52. [DOI: 10.1007/978-981-19-5642-3_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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25
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Du C, Dong J, Wang Q, Xu C, Feng S, Feng R, Lv X, Li J, Zhang L, Huang C, Ma T. Hastatoside attenuatescarbon tetrachloride-induced liver fibrosis by targeting glycogen synthase kinase-3β. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 109:154585. [PMID: 36610117 DOI: 10.1016/j.phymed.2022.154585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 11/11/2022] [Accepted: 12/04/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Hastatoside is an iridoid glycoside extracted from the herb, Verbena officinalis, that exerts various pharmacological effects, including anti-inflammatory, sleep-promoting, and analgesic effects. However, only a few studies have reported the efficacy of hastatoside in liver fibrosis. Liver fibrosis is a pathophysiological process, and its persistence can seriously affect the quality of life and well-being of the patients. HYPOTHESIS/PURPOSE This study aimed to investigate the role of hastatoside on liver fibrosis and its possible underlying mechanisms. METHODS C57BL/6 J mice with carbon tetrachloride (CCl4)-induced hepatic fibrosis were used as the in vivo models. Histological features of the liver were observed using Masson's trichrome and hematoxylin-eosin staining. Alanine aminotransferase and aspartate aminotransferase levels and the hepatic fibrosis indices (type 3 procollagen, laminin, and hyaluronic acid) were measured using corresponding assay kits. LX-2 human hepatic stellate cells (HSCs) stimulated with the transforming growth factor β1 were used as the vitro models. Transfection of the glycogen synthase kinase (GSK)-3β small interfering RNA (siRNA) and β-catenin plasmids was also performed in vitro. Protein levels of GSK-3β, phospho-GSK-3β (Ser 9), α-smooth muscle actin, collagen type I alpha 1, c-Myc, cyclin D1, and β-catenin were determined via western blotting. Moreover, the p-GSK-3β:GSK-3β ratio was calculated to determine the GSK-3β activity. RESULTS Hastatoside prevented CCl4-induced liver injury and histological damage. It inhibited the upregulation of α-SMA and Col1α1 levels in a CCl4-induced mouse hepatic fibrosis model. In vitro, hastatoside inhibited the proliferation and activation of HSCs by decreasing the expression levels of cyclin D1 and c-Myc and the proportion of LX-2 cells activated in the G0/G1 phase. Molecular docking results showed that hastatoside bound to GSK-3β. Hastatoside significantly increased the GSK-3β activity and inhibited the downstream effector expression of β-catenin. CONCLUSION These findings suggest that hastatoside can bind to GSK-3β and promote its activity, while inhibiting the GSK-3β downstream effector expression of β-catenin, thereby inhibiting the activation and proliferation of HSCs, which further prevents the development of liver fibrosis. These results provide innovative insights into the underlying liver fibrosis. Moreover, hastatoside is a potential anti-fibrosis monomer that can potentially be used for the treatment of liver fibrosis.
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Affiliation(s)
- Changlin Du
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, China; Center of Traditional Chinese Medicine Formula Granule, Anhui Medical University, China
| | - Jiahui Dong
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, China; Center of Traditional Chinese Medicine Formula Granule, Anhui Medical University, China
| | - Qi Wang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, China; Center of Traditional Chinese Medicine Formula Granule, Anhui Medical University, China
| | - Chuanting Xu
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, China; Center of Traditional Chinese Medicine Formula Granule, Anhui Medical University, China
| | - Shiqi Feng
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, China; Center of Traditional Chinese Medicine Formula Granule, Anhui Medical University, China
| | - Rui Feng
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, China; Center of Traditional Chinese Medicine Formula Granule, Anhui Medical University, China
| | - Xiongwen Lv
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, China; Center of Traditional Chinese Medicine Formula Granule, Anhui Medical University, China
| | - Jun Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, China
| | - Lei Zhang
- Center of Traditional Chinese Medicine Formula Granule, Anhui Medical University, China
| | - Cheng Huang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, China; Center of Traditional Chinese Medicine Formula Granule, Anhui Medical University, China.
| | - Taotao Ma
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, China; Center of Traditional Chinese Medicine Formula Granule, Anhui Medical University, China.
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Ezeani M, Prabhu S. PI3K signalling at the intersection of cardio-oncology networks: cardiac safety in the era of AI. Cell Mol Life Sci 2022; 79:594. [PMID: 36380172 DOI: 10.1007/s00018-022-04627-1] [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: 03/16/2022] [Revised: 08/07/2022] [Accepted: 11/09/2022] [Indexed: 11/17/2022]
Abstract
Class I phosphoinositide 3-kinases (PI3Ks) are a family of lipid kinases. They are super elevated in many human cancer types and exert their main cellular functions by activating Akt to trigger an array of distinct responses, affecting metabolism and cell polarity. The signal equally plays important roles in cardiovascular pathophysiology. PI3K is required for cardiogenesis and regulation of cardiac structure and function. Overexpression of PI3K governs the development of cardiac pressure overload adaptation and compensatory hypertrophy. Therefore, inhibition of PI3K shortens life span, enhances cardiac dysfunction and pathological hypertrophy. The inverse inhibition effect, however, desirably destroys many cancer cells by blocking several aspects of the tumorigenesis phenotype. Given the contrasting effects in cardio-oncology; the best therapeutic strategy to target PI3K in cancer, while maintaining or rather increasing cardiac safety is under intense investigational scrutiny. To improve our molecular understanding towards identifying cardiac safety signalling of PI3K and/or better therapeutic strategy for cancer treatment, this article reviews PI3K signalling in cardio-oncology. PI3K signalling at the interface of metabolism, inflammation and immunity, and autonomic innervation networks were examined. Examples were then given of cardiovascular drugs that target the networks, being repurposed for cancer treatment. This was followed by an intersection scheme of the networks that can be functionalised with machine learning for safety and risk prediction, diagnoses, and defining new novel encouraging leads and targets for clinical translation. This will hopefully overcome the challenges of the one-signalling-one-health-outcome alliance, and expand our knowledge of the totality of PI3K signalling in cardio-oncology.
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Affiliation(s)
- Martin Ezeani
- NanoBiotechnology Laboratory, Australian Centre for Blood Diseases, Faculty of Medicine, Nursing and Health Sciences, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia.
| | - Sandeep Prabhu
- The Alfred, and University of Melbourne, Parkville, Melbourne, VIC, 3010, Australia
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Ortega‐Paz L, Cristóbal H, Ortiz‐Perez JT, García de Frutos P, Mendieta G, Sandoval E, Rodriguez JJ, Ortega E, García‐Álvarez A, Brugaletta S, Sabaté M, Dantas AP. Direct actions of dapagliflozin and interactions with LCZ696 and spironolactone on cardiac fibroblasts of patients with heart failure and reduced ejection fraction. ESC Heart Fail 2022; 10:453-464. [PMID: 36303443 PMCID: PMC9871706 DOI: 10.1002/ehf2.14186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 09/12/2022] [Accepted: 09/19/2022] [Indexed: 01/27/2023] Open
Abstract
AIMS Inhibitors of SGLT2 (SGLT2i) have shown a positive impact in patients with chronic heart failure and reduced ejection fraction (HFrEF). Nonetheless, the direct effects of SGLT2i on cardiac cells and how their association with main drugs used for HFrEF affect the behaviour and signalling pathways of myocardial fibroblasts are still unknown. We aimed to determine the effects of dapagliflozin alone and in combination with sacubitril/valsartan (LCZ696) or spironolactone on the function of myocardial fibroblasts of patients with heart failure and reduced ejection fraction (HFrEF). METHODS AND RESULTS Myocardial fibroblasts isolated from HFrEF patients (n = 5) were treated with dapagliflozin alone (1 nM-1 μM) or combined with LCZ696 (100 nM) or spironolactone (100 nM). The migratory rate was determined by wound-healing scratch assay. Expression of heart failure (HF) markers and signalling pathways activation were analysed with multiplexed protein array. Commercially available cardiac fibroblasts from healthy donors were used as Control (n = 4). Fibroblasts from HFrEF show higher migratory rate compared with control (P = 0.0036), and increased expression of HF markers [fold-change (Log2): COL1A1-1.3; IL-1b-1.9; IL-6-1.7; FN1-2.9 (P < 0.05)]. Dapagliflozin slowed the migration rate of HFrEF fibroblasts in a dose-dependent manner and markedly decreased the expression of IL-1β, IL-6, MMP3, MMP9, GAL3, and FN1. SGLT2i had no effect on control fibroblasts. These effects were associated with decreased phosphorylation of AKT/GSK3 and PYK2 kinases and the signal transducer and activator of transcription (STAT). A combination of dapagliflozin + LCZ696 further decreased fibroblast migration, although it did not have a significant effect on the regulation of signalling pathways and the expression of biomarkers induced by SGLT2 inhibition alone. In contrast, the combination of dapagliflozin + spironolactone did not change the migration rate of fibroblast but significantly altered SGLT2i responses on MMP9, GAL3, and IL-1b expression, in association with increased phosphorylation of the kinases AKT/GSK3 and ERK1/2. CONCLUSIONS SGLT2i, LCZ696, and spironolactone modulate the function of isolated myocardial fibroblasts from HFrEF patients through the activation of different signalling pathways. The combination of SGLT2i + LCZ696 shows an additive effect on migration, while spironolactone modifies the signalling pathways activated by SGLT2i and its beneficial effects of biomarkers of heart failure.
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Affiliation(s)
- Luis Ortega‐Paz
- Institut Clinic Cardiovascular (ICCV)Hospital Clinic i Provincial de Barcelona (HCPB)BarcelonaSpain,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain,Division of CardiologyUniversity of Florida College of MedicineFloridaUSA
| | - Helena Cristóbal
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain,Institute for Biomedical Research of Barcelona, IIBB‐CSICBarcelonaSpain
| | - José Tomás Ortiz‐Perez
- Institut Clinic Cardiovascular (ICCV)Hospital Clinic i Provincial de Barcelona (HCPB)BarcelonaSpain,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain
| | - Pablo García de Frutos
- Institut Clinic Cardiovascular (ICCV)Hospital Clinic i Provincial de Barcelona (HCPB)BarcelonaSpain,Institute for Biomedical Research of Barcelona, IIBB‐CSICBarcelonaSpain,CIBER de Enfermedades Cardiovasculares (CIBERCV)Instituto de Salud Carlos IIIMadridSpain
| | - Guiomar Mendieta
- Institut Clinic Cardiovascular (ICCV)Hospital Clinic i Provincial de Barcelona (HCPB)BarcelonaSpain,Institute for Biomedical Research of Barcelona, IIBB‐CSICBarcelonaSpain,CIBER de Enfermedades Cardiovasculares (CIBERCV)Instituto de Salud Carlos IIIMadridSpain
| | - Elena Sandoval
- Institut Clinic Cardiovascular (ICCV)Hospital Clinic i Provincial de Barcelona (HCPB)BarcelonaSpain
| | - Juan José Rodriguez
- Institut Clinic Cardiovascular (ICCV)Hospital Clinic i Provincial de Barcelona (HCPB)BarcelonaSpain
| | - Emilio Ortega
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain
| | - Ana García‐Álvarez
- Institut Clinic Cardiovascular (ICCV)Hospital Clinic i Provincial de Barcelona (HCPB)BarcelonaSpain,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain,CIBER de Enfermedades Cardiovasculares (CIBERCV)Instituto de Salud Carlos IIIMadridSpain
| | - Salvatore Brugaletta
- Institut Clinic Cardiovascular (ICCV)Hospital Clinic i Provincial de Barcelona (HCPB)BarcelonaSpain,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain
| | - Manel Sabaté
- Institut Clinic Cardiovascular (ICCV)Hospital Clinic i Provincial de Barcelona (HCPB)BarcelonaSpain,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain,CIBER de Enfermedades Cardiovasculares (CIBERCV)Instituto de Salud Carlos IIIMadridSpain
| | - Ana Paula Dantas
- Institut Clinic Cardiovascular (ICCV)Hospital Clinic i Provincial de Barcelona (HCPB)BarcelonaSpain,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)BarcelonaSpain,Department of BiomedicineUniversitat de Barcelona Medical SchoolBarcelonaSpain
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New Insights Into the Role of GSK-3 in the Regulation of Human Cardiac Electrophysiology ∗. JACC Basic Transl Sci 2022; 7:1018-1020. [PMID: 36337925 PMCID: PMC9626930 DOI: 10.1016/j.jacbts.2022.06.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Li G, Brumback BD, Huang L, Zhang DM, Yin T, Lipovsky CE, Hicks SC, Jimenez J, Boyle PM, Rentschler SL. Acute Glycogen Synthase Kinase-3 Inhibition Modulates Human Cardiac Conduction. JACC Basic Transl Sci 2022; 7:1001-1017. [PMID: 36337924 PMCID: PMC9626903 DOI: 10.1016/j.jacbts.2022.04.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 04/11/2022] [Accepted: 04/13/2022] [Indexed: 01/14/2023]
Abstract
Glycogen synthase kinase 3 (GSK-3) inhibition has emerged as a potential therapeutic target for several diseases, including cancer. However, the role for GSK-3 regulation of human cardiac electrophysiology remains ill-defined. We demonstrate that SB216763, a GSK-3 inhibitor, can acutely reduce conduction velocity in human cardiac slices. Combined computational modeling and experimental approaches provided mechanistic insight into GSK-3 inhibition-mediated changes, revealing that decreased sodium-channel conductance and tissue conductivity may underlie the observed phenotypes. Our study demonstrates that GSK-3 inhibition in human myocardium alters electrophysiology and may predispose to an arrhythmogenic substrate; therefore, monitoring for adverse arrhythmogenic events could be considered.
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Key Words
- ABC, active β-catenin
- APD, action potential duration
- BDM, 2,3-butanedione monoxime
- CV, conduction velocity
- Cx43, connexin 43
- GNa, sodium-channel conductance
- GOF, gain of function
- GSK-3 inhibitor
- GSK-3, glycogen synthase kinase 3
- INa, sodium current
- LV, left ventricle
- NaV1.5, pore-forming α-subunit protein of the voltage-gated cardiac sodium channel
- PCR, polymerase chain reaction
- RMP, resting membrane potential
- RT-qPCR, reverse transcription-quantitative polymerase chain reaction
- SB2, SB216763
- SB216763
- cDNA, complementary DNA
- dVm/dtmax, maximum upstroke velocity
- electrophysiology
- human cardiac slices
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Affiliation(s)
- Gang Li
- Department of Medicine, Cardiovascular Division, Washington University School of Medicine in St. Louis, Missouri, USA
- Department of Biomedical Engineering, Washington University McKelvey School of Engineering in St. Louis, Missouri, USA
| | - Brittany D. Brumback
- Department of Medicine, Cardiovascular Division, Washington University School of Medicine in St. Louis, Missouri, USA
- Department of Biomedical Engineering, Washington University McKelvey School of Engineering in St. Louis, Missouri, USA
| | - Lei Huang
- Department of Medicine, Cardiovascular Division, Washington University School of Medicine in St. Louis, Missouri, USA
| | - David M. Zhang
- Department of Medicine, Cardiovascular Division, Washington University School of Medicine in St. Louis, Missouri, USA
| | - Tiankai Yin
- Department of Medicine, Cardiovascular Division, Washington University School of Medicine in St. Louis, Missouri, USA
| | - Catherine E. Lipovsky
- Department of Medicine, Cardiovascular Division, Washington University School of Medicine in St. Louis, Missouri, USA
- Department of Developmental Biology, Washington University School of Medicine in St. Louis, Missouri, USA
| | - Stephanie C. Hicks
- Department of Medicine, Cardiovascular Division, Washington University School of Medicine in St. Louis, Missouri, USA
| | - Jesus Jimenez
- Department of Medicine, Cardiovascular Division, Washington University School of Medicine in St. Louis, Missouri, USA
| | - Patrick M. Boyle
- Department of Bioengineering, Center for Cardiovascular Biology, and Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, Washington, USA
| | - Stacey L. Rentschler
- Department of Medicine, Cardiovascular Division, Washington University School of Medicine in St. Louis, Missouri, USA
- Department of Biomedical Engineering, Washington University McKelvey School of Engineering in St. Louis, Missouri, USA
- Department of Developmental Biology, Washington University School of Medicine in St. Louis, Missouri, USA
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Umbarkar P, Tousif S, Singh AP, Anderson JC, Zhang Q, Tallquist MD, Woodgett J, Lal H. Fibroblast GSK-3α Promotes Fibrosis via RAF-MEK-ERK Pathway in the Injured Heart. Circ Res 2022; 131:620-636. [PMID: 36052698 PMCID: PMC9481711 DOI: 10.1161/circresaha.122.321431] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
BACKGROUND Heart failure is the leading cause of mortality, morbidity, and health care expenditures worldwide. Numerous studies have implicated GSK-3 (glycogen synthase kinase-3) as a promising therapeutic target for cardiovascular diseases. GSK-3 isoforms seem to play overlapping, unique and even opposing functions in the heart. Previously, we have shown that of the 2 isoforms of GSK-3, cardiac fibroblast GSK-3β acts as a negative regulator of myocardial fibrosis in the ischemic heart. However, the role of cardiac fibroblast-GSK-3α in the pathogenesis of cardiac diseases is completely unknown. METHODS To define the role of cardiac fibroblast-GSK-3α in myocardial fibrosis and heart failure, GSK-3α was deleted from fibroblasts or myofibroblasts with tamoxifen-inducible Tcf21- or Postn-promoter-driven Cre recombinase. Control and GSK-3α KO mice were subjected to cardiac injury and heart parameters were evaluated. The fibroblast kinome mapping was carried out to delineate molecular mechanism followed by in vivo and in vitro analysis. RESULTS Fibroblast-specific GSK-3α deletion restricted fibrotic remodeling and preserved function of the injured heart. We observed reductions in cell migration, collagen gel contraction, α-SMA protein levels, and expression of ECM genes in TGFβ1-treated KO fibroblasts, indicating that GSK-3α is required for myofibroblast transformation. Surprisingly, GSK-3α deletion did not affect SMAD3 activation, suggesting the profibrotic role of GSK-3α is SMAD3 independent. The molecular studies confirmed decreased ERK signaling in GSK-3α-KO CFs. Conversely, adenovirus-mediated expression of a constitutively active form of GSK-3α (Ad-GSK-3αS21A) in fibroblasts increased ERK activation and expression of fibrogenic proteins. Importantly, this effect was abolished by ERK inhibition. CONCLUSIONS GSK-3α-mediated MEK-ERK activation is a critical profibrotic signaling circuit in the injured heart, which operates independently of the canonical TGF-β1-SMAD3 pathway. Therefore, strategies to inhibit the GSK-3α-MEK-ERK signaling circuit could prevent adverse fibrosis in diseased hearts.
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Affiliation(s)
- Prachi Umbarkar
- Division of Cardiovascular Disease, The University of Alabama at Birmingham, AL 35294-1913, USA
| | - Sultan Tousif
- Division of Cardiovascular Disease, The University of Alabama at Birmingham, AL 35294-1913, USA
| | - Anand P. Singh
- Division of Cardiovascular Disease, The University of Alabama at Birmingham, AL 35294-1913, USA
| | - Joshua C. Anderson
- Department of Radiation Oncology, The University of Alabama at Birmingham, AL 35294-1913, USA
| | - Qinkun Zhang
- Division of Cardiovascular Disease, The University of Alabama at Birmingham, AL 35294-1913, USA
| | | | - James Woodgett
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON, Canada
| | - Hind Lal
- Division of Cardiovascular Disease, The University of Alabama at Birmingham, AL 35294-1913, USA
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Wang X, Zhang L, Feng M, Xu Z, Cheng Z, Qian L. ELA-11 protects the heart against oxidative stress injury induced apoptosis through ERK/MAPK and PI3K/AKT signaling pathways. Front Pharmacol 2022; 13:873614. [PMID: 36160397 PMCID: PMC9492932 DOI: 10.3389/fphar.2022.873614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 07/29/2022] [Indexed: 11/22/2022] Open
Abstract
Increasing evidence revealed that apoptosis and oxidative stress injury were associated with the pathophysiology of doxorubicin (DOX)-induced myocardial injury. ELABELA (ELA) is a newly identified peptide with 32 amino acids, can reduce hypertension with exogenous infusion. However, the effect of 11-residue furn-cleaved fragment (ELA-11) is still unclear. We first administrated ELA-11 in DOX-injured mice and measured the cardiac function and investigated the effect of ELA-11 in vivo. We found that ELA-11 alleviated heart injury induced by DOX and inhibited cardiac tissues from apoptosis. In vitro, ELA-11 regulated the sensitivity towards apoptosis induced by oxidative stress with DOX treatment through PI3K/AKT and ERK/MAPK signaling pathway. Similarly, ELA-11 inhibited oxidative stress-induced apoptosis in cobalt chloride (CoCl2)-injured cardiomyocytes. Moreover, ELA-11 protected cardiomyocyte by interacting with Apelin receptor (APJ) by using 4-oxo-6-((pyrimidin-2-ylthio) methyl)-4H-pyran-3-yl 4-nitrobenzoate (ML221). Hence, our results indicated a protective role of ELA-11 in oxidative stress-induced apoptosis in DOX-induced myocardial injury.
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Affiliation(s)
- Xuejun Wang
- Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Li Zhang
- Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Mengwen Feng
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zhongqing Xu
- Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zijie Cheng
- Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- *Correspondence: Zijie Cheng, ; Lingmei Qian,
| | - Lingmei Qian
- Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- *Correspondence: Zijie Cheng, ; Lingmei Qian,
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Zhang M, Zhou S, Obaid NH, Altimari US, Adel Mohammed M, Kareem Obaid Aldulaim A, Salaam Abood E, Kotb H, Enayati A, Khori V, Mirzaei H, Salehi A, Soltani A, Sani Sarjadi M, Lutfor Rahman M. Chromenone-based GSK-3β inhibitors as potential therapeutic targets for cardiovascular diseases: in silico study, molecular dynamics, and ADMET profiles. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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Cai J, Wang T, Zhou Y, Tang C, Liu Y, Dong Z. Phosphorylation by GSK-3β increases the stability of SIRT6 to alleviate TGF-β-induced fibrotic response in renal tubular cells. Life Sci 2022; 308:120914. [PMID: 36057401 DOI: 10.1016/j.lfs.2022.120914] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/16/2022] [Accepted: 08/24/2022] [Indexed: 10/31/2022]
Abstract
AIMS The deacetylase Sirtuin 6 (SIRT6) is up-regulated during fibrogenesis in renal tubular cells and post-ischemia/reperfusion kidneys. Hence, our aim was to investigate the mechanism of SIRT6 up-regulation upon profibrotic stress. MAIN METHODS Immunohistochemical staining was used to detect the expression of UBC9 in the kidney section. The interaction of GSK-3β and SIRT6, and phosphorylation level of SIRT6 were detected by the immunoprecipitation assay. The wild-type and phosphorylated site mutant plasmids of SIRT6 were constructed and stably transfected to BUMPT cells to evaluate the phosphorylation function of SIRT6 by immunoblotting assay. KEY FINDINGS The phosphorylation of SIRT6 is significantly increased during TGF-β treatment in mouse renal tubular cells. GSK-3β can physically interact with SIRT6 in renal tubular cells, and this interaction is enhanced by TGF-β treatment. Moreover, GSK-3β is the phosphorylation kinase for SIRT6, and phosphorylates SIRT6 at Serine 326 residue to prevent its ubiquitination-mediated proteasomal degradation. Non-phosphorylatable mutant, S326A, of SIRT6, restores β-catenin activation and fibrotic changes in renal tubular cells. SIGNIFICANCE The present study demonstrates that a new mechanism for GSK-3β-mediated anti-fibrotic function in renal fibrosis through phosphorylation of SIRT6 to prevent its proteasomal degradation.
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Affiliation(s)
- Juan Cai
- Department of Nephrology, The Second Xiangya Hospital at Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Tianshi Wang
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yunqian Zhou
- Department of Nephrology, The Second Xiangya Hospital at Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Chengyuan Tang
- Department of Nephrology, The Second Xiangya Hospital at Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Yu Liu
- Department of Nephrology, The Second Xiangya Hospital at Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China.
| | - Zheng Dong
- Department of Nephrology, The Second Xiangya Hospital at Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China; Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University and Charlie Norwood VA Medical Center, Augusta, GA, USA; Charlie Norwood VA Medical Center, Augusta, GA, USA.
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Marwarha G, Røsand Ø, Slagsvold KH, Høydal MA. GSK3β Inhibition Is the Molecular Pivot That Underlies the Mir-210-Induced Attenuation of Intrinsic Apoptosis Cascade during Hypoxia. Int J Mol Sci 2022; 23:ijms23169375. [PMID: 36012628 PMCID: PMC9409400 DOI: 10.3390/ijms23169375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/09/2022] [Accepted: 08/17/2022] [Indexed: 11/16/2022] Open
Abstract
Apoptotic cell death is a deleterious consequence of hypoxia-induced cellular stress. The master hypoxamiR, microRNA-210 (miR-210), is considered the primary driver of the cellular response to hypoxia stress. We have recently demonstrated that miR-210 attenuates hypoxia-induced apoptotic cell death. In this paper, we unveil that the miR-210-induced inhibition of the serine/threonine kinase Glycogen Synthase Kinase 3 beta (GSK3β) in AC-16 cardiomyocytes subjected to hypoxia stress underlies the salutary protective response of miR-210 in mitigating the hypoxia-induced apoptotic cell death. Using transient overexpression vectors to augment miR-210 expression concomitant with the ectopic expression of the constitutive active GSK3β S9A mutant (ca-GSK3β S9A), we exhaustively performed biochemical and molecular assays to determine the status of the hypoxia-induced intrinsic apoptosis cascade. Caspase-3 activity analysis coupled with DNA fragmentation assays cogently demonstrate that the inhibition of GSK3β kinase activity underlies the miR-210-induced attenuation in the hypoxia-driven apoptotic cell death. Further elucidation and delineation of the upstream cellular events unveiled an indispensable role of the inhibition of GSK3β kinase activity in mediating the miR-210-induced mitigation of the hypoxia-driven BAX and BAK insertion into the outer mitochondria membrane (OMM) and the ensuing Cytochrome C release into the cytosol. Our study is the first to unveil that the inhibition of GSK3β kinase activity is indispensable in mediating the miR-210-orchestrated protective cellular response to hypoxia-induced apoptotic cell death.
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Affiliation(s)
- Gurdeep Marwarha
- Group of Molecular and Cellular Cardiology, Department of Circulation and Medical Imaging, Faculty of Medicine and Health, Norwegian University of Science and Technology (NTNU), 7034 Trondheim, Norway
| | - Øystein Røsand
- Group of Molecular and Cellular Cardiology, Department of Circulation and Medical Imaging, Faculty of Medicine and Health, Norwegian University of Science and Technology (NTNU), 7034 Trondheim, Norway
| | - Katrine Hordnes Slagsvold
- Group of Molecular and Cellular Cardiology, Department of Circulation and Medical Imaging, Faculty of Medicine and Health, Norwegian University of Science and Technology (NTNU), 7034 Trondheim, Norway
- Department of Cardiothoracic Surgery, St. Olavs University Hospital, 7030 Trondheim, Norway
| | - Morten Andre Høydal
- Group of Molecular and Cellular Cardiology, Department of Circulation and Medical Imaging, Faculty of Medicine and Health, Norwegian University of Science and Technology (NTNU), 7034 Trondheim, Norway
- Correspondence: ; Tel.: +47-48134843
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Kim Y, Nam Y, Rim YA, Ju JH. Anti-fibrotic effect of a selective estrogen receptor modulator in systemic sclerosis. Stem Cell Res Ther 2022; 13:303. [PMID: 35841004 PMCID: PMC9284699 DOI: 10.1186/s13287-022-02987-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 06/17/2022] [Indexed: 11/16/2022] Open
Abstract
Background The rarity of systemic sclerosis (SSc) has hampered the development of therapies for this intractable autoimmune disease. Induced pluripotent stem cell (iPSC) can be differentiated into the key disease-affected cells in vitro. The generation of patient-derived iPSCs has opened up possibilities for rare disease modeling. Since these cells can recapitulate the disease phenotypes of the cell in question, they are useful high-throughput platforms for screening for drugs that can reverse these abnormal phenotypes. Methods SSc iPSC was generated from PBMC by Sendai virus. Human iPSC lines from SSc patients were differentiated into dermal fibroblasts and keratinocytes. The iPSC-derived differentiated cells from the SSc patients were used on high-throughput platforms to screen for FDA-approved drugs that could be effective treatments for SSc. Results Skin organoids were generated from these cells exhibited fibrosis that resembled SSc skin. Screening of the 770-FDA-approved drug library showed that the anti-osteoporotic drug raloxifene reduced SSc iPSC-derived fibroblast proliferation and extracellular matrix production and skin fibrosis in organoids and bleomycin-induced SSc-model mice. Conclusions This study reveals that a disease model of systemic sclerosis generated using iPSCs-derived skin organoid is a novel tool for in vitro and in vivo dermatologic research. Since raloxifene and bazedoxifene are well-tolerated anti-osteoporotic drugs, our findings suggest that selective estrogen receptor modulator (SERM)-class drugs could treat SSc fibrosis. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-022-02987-w.
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Affiliation(s)
- Yena Kim
- Catholic iPSC Research Center, College of Medicine, The Catholic University of Korea, Seoul, South Korea.,YiPSCELL Inc., 47-3, Banpo-dearo 39-gil, Seocho-gu, Seoul, Republic of Korea
| | - Yoojun Nam
- YiPSCELL Inc., 47-3, Banpo-dearo 39-gil, Seocho-gu, Seoul, Republic of Korea
| | - Yeri Alice Rim
- Catholic iPSC Research Center, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Ji Hyeon Ju
- Catholic iPSC Research Center, College of Medicine, The Catholic University of Korea, Seoul, South Korea. .,YiPSCELL Inc., 47-3, Banpo-dearo 39-gil, Seocho-gu, Seoul, Republic of Korea. .,Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, 137-040, Republic of Korea.
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The insulin receptor family in the heart: new light on old insights. Biosci Rep 2022; 42:231495. [PMID: 35766350 PMCID: PMC9297685 DOI: 10.1042/bsr20221212] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 06/20/2022] [Accepted: 06/29/2022] [Indexed: 11/17/2022] Open
Abstract
Insulin was discovered over 100 years ago. Whilst the first half century defined many of the physiological effects of insulin, the second emphasised the mechanisms by which it elicits these effects, implicating a vast array of G proteins and their regulators, lipid and protein kinases and counteracting phosphatases, and more. Potential growth-promoting and protective effects of insulin on the heart emerged from studies of carbohydrate metabolism in the 1960s, but the insulin receptors (and the related receptor for insulin-like growth factors 1 and 2) were not defined until the 1980s. A related third receptor, the insulin receptor-related receptor remained an orphan receptor for many years until it was identified as an alkali-sensor. The mechanisms by which these receptors and the plethora of downstream signalling molecules confer cardioprotection remain elusive. Here, we review important aspects of the effects of the three insulin receptor family members in the heart. Metabolic studies are set in the context of what is now known of insulin receptor family signalling and the role of protein kinase B (PKB or Akt), and the relationship between this and cardiomyocyte survival versus death is discussed. PKB/Akt phosphorylates numerous substrates with potential for cardioprotection in the contractile cardiomyocytes and cardiac non-myocytes. Our overall conclusion is that the effects of insulin on glucose metabolism that were initially identified remain highly pertinent in managing cardiomyocyte energetics and preservation of function. This alone provides a high level of cardioprotection in the face of pathophysiological stressors such as ischaemia and myocardial infarction.
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Abstract
Here we review the regulation of macropinocytosis by Wnt growth factor signaling. Canonical Wnt signaling is normally thought of as a regulator of nuclear β-catenin, but emerging results indicate that there is much more than β-catenin to the Wnt pathway. Macropinocytosis is transiently regulated by EGF-RTK-Ras-PI3K signaling. Recent studies show that Wnt signaling provides for sustained acquisition of nutrients by macropinocytosis. Endocytosis of Wnt-Lrp6-Fz receptor complexes triggers the sequestration of GSK3 and components of the cytosolic destruction complex such as Axin1 inside multivesicular bodies (MVBs) through the action of the ESCRT machinery. Wnt macropinocytosis can be induced both by the transcriptional loop of stabilized β-catenin, and by the inhibition of GSK3 even in the absence of new protein synthesis. The cell is poised for macropinocytosis, and all it requires for triggering of Pak1 and the actin machinery is the inhibition of GSK3. Striking lysosomal acidification, which requires macropinocytosis, is induced by GSK3 chemical inhibitors or Wnt protein. Wnt-induced macropinocytosis requires the ESCRT machinery that forms MVBs. In cancer cells, mutations in the tumor suppressors APC and Axin1 result in extensive macropinocytosis, which can be reversed by restoring wild-type protein. In basal cellular conditions, GSK3 functions to constitutively repress macropinocytosis.
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Shi HT, Huang ZH, Xu TZ, Sun AJ, Ge JB. New diagnostic and therapeutic strategies for myocardial infarction via nanomaterials. EBioMedicine 2022; 78:103968. [PMID: 35367772 PMCID: PMC8983382 DOI: 10.1016/j.ebiom.2022.103968] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 03/10/2022] [Accepted: 03/10/2022] [Indexed: 12/12/2022] Open
Abstract
Myocardial infarction is lethal to patients because of insufficient blood perfusion to vital organs. Several attempts have been made to improve its prognosis, among which nanomaterial research offers an opportunity to address this problem at the molecular level and has the potential to improve disease prevention, diagnosis, and treatment significantly. Up to now, nanomaterial-based technology has played a crucial role in broad novel diagnostic and therapeutic strategies for cardiac repair. This review summarizes various nanomaterial applications in myocardial infarction from multiple aspects, including high precision detection, pro-angiogenesis, regulating immune homeostasis, and miRNA and stem cell delivery vehicles. We also propose promising research hotspots that have not been reported much yet, such as conjugating pro-angiogenetic elements with nanoparticles to construct drug carriers, developing nanodrugs targeting other immune cells except for macrophages in the infarcted myocardium or the remote region. Though most of those strategies are preclinical and lack clinical trials, there is tremendous potential for their further applications in the future.
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Affiliation(s)
- Hong-Tao Shi
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, China; National Clinical Research Center for Interventional Medicine, Shanghai, China; Shanghai Clinical Research Center for Interventional Medicine, Shanghai, China; Institute of Biomedical Science, Fudan University, Shanghai, China; Shanghai Center for Brain Science and Brain-Inspired Technology, Shanghai, China
| | - Zi-Hang Huang
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, China; National Clinical Research Center for Interventional Medicine, Shanghai, China; Shanghai Clinical Research Center for Interventional Medicine, Shanghai, China; Institute of Biomedical Science, Fudan University, Shanghai, China
| | - Tian-Zhao Xu
- School of Life Science, Shanghai University, Shanghai, China
| | - Ai-Jun Sun
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, China; National Clinical Research Center for Interventional Medicine, Shanghai, China; Shanghai Clinical Research Center for Interventional Medicine, Shanghai, China; Institute of Biomedical Science, Fudan University, Shanghai, China.
| | - Jun-Bo Ge
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, China; National Clinical Research Center for Interventional Medicine, Shanghai, China; Shanghai Clinical Research Center for Interventional Medicine, Shanghai, China; Institute of Biomedical Science, Fudan University, Shanghai, China.
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Gupte M, Tousif S, Lemon JJ, Toro Cora A, Umbarkar P, Lal H. Isoform-Specific Role of GSK-3 in High Fat Diet Induced Obesity and Glucose Intolerance. Cells 2022; 11:cells11030559. [PMID: 35159367 PMCID: PMC8834358 DOI: 10.3390/cells11030559] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/26/2022] [Accepted: 02/01/2022] [Indexed: 02/07/2023] Open
Abstract
Obesity-associated metabolic disorders are rising to pandemic proportions; hence, there is an urgent need to identify underlying molecular mechanisms. Glycogen synthase kinase-3 (GSK-3) signaling is highly implicated in metabolic diseases. Furthermore, GSK-3 expression and activity are increased in Type 2 diabetes patients. However, the isoform-specific role of GSK-3 in obesity and glucose intolerance is unclear. Pharmacological GSK-3 inhibitors are not isoform-specific, and tissue-specific genetic models are of limited value to predict the clinical outcome of systemic inhibiion. To overcome these limitations, we created novel mouse models of ROSA26CreERT2-driven, tamoxifen-inducible conditional deletion of GSK-3 that allowed us to delete the gene globally in an isoform-specific and temporal manner. Isoform-specific GSK-3 KOs and littermate controls were subjected to a 16-week high-fat diet (HFD) protocol. On an HFD, GSK-3α KO mice had a significantly lower body weight and modest improvement in glucose tolerance compared to their littermate controls. In contrast, GSK-3β-deletion-mediated improved glucose tolerance was evident much earlier in the timeline and extended up to 12 weeks post-HFD. However, this protective effect weakened after chronic HFD (16 weeks) when GSK-3β KO mice had a significantly higher body weight compared to controls. Importantly, GSK-3β KO mice on a control diet maintained significant improvement in glucose tolerance even after 16 weeks. In summary, our novel mouse models allowed us to delineate the isoform-specific role of GSK-3 in obesity and glucose tolerance. From a translational perspective, our findings underscore the importance of maintaining a healthy weight in patients receiving lithium therapy, which is thought to work by GSK-3 inhibition mechanisms.
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Affiliation(s)
- Manisha Gupte
- Department of Biology, Austin Peay State University, Clarksville, TN 37044, USA;
- Correspondence: (M.G.); (H.L.)
| | - Sultan Tousif
- Division of Cardiovascular Diseases, The University of Alabama at Birmingham (UAB), Birmingham, AL 35233, USA; (S.T.); (A.T.C.); (P.U.)
| | - Jacob J. Lemon
- Department of Biology, Austin Peay State University, Clarksville, TN 37044, USA;
| | - Angelica Toro Cora
- Division of Cardiovascular Diseases, The University of Alabama at Birmingham (UAB), Birmingham, AL 35233, USA; (S.T.); (A.T.C.); (P.U.)
| | - Prachi Umbarkar
- Division of Cardiovascular Diseases, The University of Alabama at Birmingham (UAB), Birmingham, AL 35233, USA; (S.T.); (A.T.C.); (P.U.)
| | - Hind Lal
- Division of Cardiovascular Diseases, The University of Alabama at Birmingham (UAB), Birmingham, AL 35233, USA; (S.T.); (A.T.C.); (P.U.)
- Correspondence: (M.G.); (H.L.)
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Vainio L, Taponen S, Kinnunen SM, Halmetoja E, Szabo Z, Alakoski T, Ulvila J, Junttila J, Lakkisto P, Magga J, Kerkelä R. GSK3β Serine 389 Phosphorylation Modulates Cardiomyocyte Hypertrophy and Ischemic Injury. Int J Mol Sci 2021; 22:13586. [PMID: 34948382 PMCID: PMC8707850 DOI: 10.3390/ijms222413586] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/03/2021] [Accepted: 12/15/2021] [Indexed: 11/17/2022] Open
Abstract
Prior studies show that glycogen synthase kinase 3β (GSK3β) contributes to cardiac ischemic injury and cardiac hypertrophy. GSK3β is constitutionally active and phosphorylation of GSK3β at serine 9 (S9) inactivates the kinase and promotes cellular growth. GSK3β is also phosphorylated at serine 389 (S389), but the significance of this phosphorylation in the heart is not known. We analyzed GSK3β S389 phosphorylation in diseased hearts and utilized overexpression of GSK3β carrying ser→ala mutations at S9 (S9A) and S389 (S389A) to study the biological function of constitutively active GSK3β in primary cardiomyocytes. We found that phosphorylation of GSK3β at S389 was increased in left ventricular samples from patients with dilated cardiomyopathy and ischemic cardiomyopathy, and in hearts of mice subjected to thoracic aortic constriction. Overexpression of either GSK3β S9A or S389A reduced the viability of cardiomyocytes subjected to hypoxia-reoxygenation. Overexpression of double GSK3β mutant (S9A/S389A) further reduced cardiomyocyte viability. Determination of protein synthesis showed that overexpression of GSK3β S389A or GSK3β S9A/S389A increased both basal and agonist-induced cardiomyocyte growth. Mechanistically, GSK3β S389A mutation was associated with activation of mTOR complex 1 signaling. In conclusion, our data suggest that phosphorylation of GSK3β at S389 enhances cardiomyocyte survival and protects from cardiomyocyte hypertrophy.
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Affiliation(s)
- Laura Vainio
- Research Unit of Biomedicine, Department of Pharmacology and Toxicology, University of Oulu, Oulu 90220, Finland; (L.V.); (S.T.); (S.M.K.); (E.H.); (Z.S.); (T.A.); (J.U.); (J.M.)
- Biocenter Oulu, University of Oulu, Oulu 90220, Finland;
| | - Saija Taponen
- Research Unit of Biomedicine, Department of Pharmacology and Toxicology, University of Oulu, Oulu 90220, Finland; (L.V.); (S.T.); (S.M.K.); (E.H.); (Z.S.); (T.A.); (J.U.); (J.M.)
- Biocenter Oulu, University of Oulu, Oulu 90220, Finland;
| | - Sini M. Kinnunen
- Research Unit of Biomedicine, Department of Pharmacology and Toxicology, University of Oulu, Oulu 90220, Finland; (L.V.); (S.T.); (S.M.K.); (E.H.); (Z.S.); (T.A.); (J.U.); (J.M.)
- Drug Research Program, Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, Helsinki 00014, Finland
| | - Eveliina Halmetoja
- Research Unit of Biomedicine, Department of Pharmacology and Toxicology, University of Oulu, Oulu 90220, Finland; (L.V.); (S.T.); (S.M.K.); (E.H.); (Z.S.); (T.A.); (J.U.); (J.M.)
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu 90220, Finland
| | - Zoltan Szabo
- Research Unit of Biomedicine, Department of Pharmacology and Toxicology, University of Oulu, Oulu 90220, Finland; (L.V.); (S.T.); (S.M.K.); (E.H.); (Z.S.); (T.A.); (J.U.); (J.M.)
| | - Tarja Alakoski
- Research Unit of Biomedicine, Department of Pharmacology and Toxicology, University of Oulu, Oulu 90220, Finland; (L.V.); (S.T.); (S.M.K.); (E.H.); (Z.S.); (T.A.); (J.U.); (J.M.)
- Biocenter Oulu, University of Oulu, Oulu 90220, Finland;
| | - Johanna Ulvila
- Research Unit of Biomedicine, Department of Pharmacology and Toxicology, University of Oulu, Oulu 90220, Finland; (L.V.); (S.T.); (S.M.K.); (E.H.); (Z.S.); (T.A.); (J.U.); (J.M.)
| | - Juhani Junttila
- Biocenter Oulu, University of Oulu, Oulu 90220, Finland;
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu 90220, Finland
- Research Unit of Internal Medicine, Division of Cardiology, Oulu University Hospital and University of Oulu, Oulu 90220, Finland
| | - Päivi Lakkisto
- Unit of Cardiovascular Research, Minerva Institute for Medical Research, Helsinki 00014, Finland;
- Department of Clinical Chemistry and Hematology, University of Helsinki and Helsinki University Hospital, Helsinki 00014, Finland
| | - Johanna Magga
- Research Unit of Biomedicine, Department of Pharmacology and Toxicology, University of Oulu, Oulu 90220, Finland; (L.V.); (S.T.); (S.M.K.); (E.H.); (Z.S.); (T.A.); (J.U.); (J.M.)
- Biocenter Oulu, University of Oulu, Oulu 90220, Finland;
| | - Risto Kerkelä
- Research Unit of Biomedicine, Department of Pharmacology and Toxicology, University of Oulu, Oulu 90220, Finland; (L.V.); (S.T.); (S.M.K.); (E.H.); (Z.S.); (T.A.); (J.U.); (J.M.)
- Biocenter Oulu, University of Oulu, Oulu 90220, Finland;
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu 90220, Finland
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Molecular Signaling to Preserve Mitochondrial Integrity against Ischemic Stress in the Heart: Rescue or Remove Mitochondria in Danger. Cells 2021; 10:cells10123330. [PMID: 34943839 PMCID: PMC8699551 DOI: 10.3390/cells10123330] [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: 10/16/2021] [Revised: 11/16/2021] [Accepted: 11/16/2021] [Indexed: 02/07/2023] Open
Abstract
Cardiovascular diseases are one of the leading causes of death and global health problems worldwide, and ischemic heart disease is the most common cause of heart failure (HF). The heart is a high-energy demanding organ, and myocardial energy reserves are limited. Mitochondria are the powerhouses of the cell, but under stress conditions, they become damaged, release necrotic and apoptotic factors, and contribute to cell death. Loss of cardiomyocytes plays a significant role in ischemic heart disease. In response to stress, protective signaling pathways are activated to limit mitochondrial deterioration and protect the heart. To prevent mitochondrial death pathways, damaged mitochondria are removed by mitochondrial autophagy (mitophagy). Mitochondrial quality control mediated by mitophagy is functionally linked to mitochondrial dynamics. This review provides a current understanding of the signaling mechanisms by which the integrity of mitochondria is preserved in the heart against ischemic stress.
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Yusuf AM, Qaisar R, Al-Tamimi AO, Jayakumar MN, Woodgett JR, Koch WJ, Ahmad F. Cardiomyocyte-GSK-3β deficiency induces cardiac progenitor cell proliferation in the ischemic heart through paracrine mechanisms. J Cell Physiol 2021; 237:1804-1817. [PMID: 34812500 DOI: 10.1002/jcp.30644] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 10/28/2021] [Accepted: 11/09/2021] [Indexed: 12/15/2022]
Abstract
Cardiomyopathy is an irreparable loss and novel strategies are needed to induce resident cardiac progenitor cell (CPC) proliferation in situ to enhance the possibility of cardiac regeneration. Here, we sought to identify the potential roles of glycogen synthase kinase-3β (GSK-3β), a critical regulator of cell proliferation and differentiation, in CPC proliferation post-myocardial infarction (MI). Cardiomyocyte-specific conditional GSK-3β knockout (cKO) and littermate control mice were employed and challenged with MI. Though cardiac left ventricular chamber dimension and contractile functions were comparable at 2 weeks post-MI, cKO mice displayed significantly preserved LV chamber and contractile function versus control mice at 4 weeks post-MI. Consistent with protective phenotypes, an increased percentage of c-kit-positive cells (KPCs) were observed in the cKO hearts at 4 and 6 weeks post-MI which was accompanied by increased levels of cardiomyocyte proliferation. Further analysis revealed that the observed increased number of KPCs in the ischemic cKO hearts was mainly from a cardiac lineage, as the majority of identified KPCs were negative for the hematopoietic lineage marker, CD45. Mechanistically, cardiomyocyte-GSK-3β profoundly suppresses the expression and secretion of growth factors, including basic-fibroblast growth factor, angiopoietin-2, erythropoietin, stem cell factor, platelet-derived growth factor-BB, granulocyte colony-stimulating factor, and vascular endothelial growth factor, post-hypoxia. In conclusion, our findings strongly suggest that loss of cardiomyocyte-GSK-3β promotes cardiomyocyte and resident CPC proliferation post-MI. The induction of cardiomyocyte and CPC proliferation in the ischemic cKO hearts is potentially regulated by autocrine and paracrine signaling governed by dysregulated growth factors post-MI. A strategy to inhibit cardiomyocyte-GSK-3β could be helpful for the promotion of in situ cardiac regeneration post-ischemic injury.
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Affiliation(s)
- Ayesha M Yusuf
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, UAE.,Cardiovascular Research Group, Sharjah Institute for Medical Research, University of Sharjah, Sharjah, UAE
| | - Rizwan Qaisar
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, UAE.,Cardiovascular Research Group, Sharjah Institute for Medical Research, University of Sharjah, Sharjah, UAE
| | - Abaher O Al-Tamimi
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, UAE.,Cardiovascular Research Group, Sharjah Institute for Medical Research, University of Sharjah, Sharjah, UAE
| | - Manju Nidagodu Jayakumar
- Cardiovascular Research Group, Sharjah Institute for Medical Research, University of Sharjah, Sharjah, UAE
| | - James R Woodgett
- Department of Medical Biophysics, Sinai Health System, Lunenfeld-Tanenbaum Research Institute, University of Toronto, Toronto, Ontario, Canada
| | - Walter J Koch
- Center for Translational Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania, USA
| | - Firdos Ahmad
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, UAE.,Cardiovascular Research Group, Sharjah Institute for Medical Research, University of Sharjah, Sharjah, UAE.,Center for Translational Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania, USA
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43
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Wang L, Li J, Di LJ. Glycogen synthesis and beyond, a comprehensive review of GSK3 as a key regulator of metabolic pathways and a therapeutic target for treating metabolic diseases. Med Res Rev 2021; 42:946-982. [PMID: 34729791 PMCID: PMC9298385 DOI: 10.1002/med.21867] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 08/01/2021] [Accepted: 10/24/2021] [Indexed: 12/19/2022]
Abstract
Glycogen synthase kinase‐3 (GSK3) is a highly evolutionarily conserved serine/threonine protein kinase first identified as an enzyme that regulates glycogen synthase (GS) in response to insulin stimulation, which involves GSK3 regulation of glucose metabolism and energy homeostasis. Both isoforms of GSK3, GSK3α, and GSK3β, have been implicated in many biological and pathophysiological processes. The various functions of GSK3 are indicated by its widespread distribution in multiple cell types and tissues. The studies of GSK3 activity using animal models and the observed effects of GSK3‐specific inhibitors provide more insights into the roles of GSK3 in regulating energy metabolism and homeostasis. The cross‐talk between GSK3 and some important energy regulators and sensors and the regulation of GSK3 in mitochondrial activity and component function further highlight the molecular mechanisms in which GSK3 is involved to regulate the metabolic activity, beyond its classical regulatory effect on GS. In this review, we summarize the specific roles of GSK3 in energy metabolism regulation in tissues that are tightly associated with energy metabolism and the functions of GSK3 in the development of metabolic disorders. We also address the impacts of GSK3 on the regulation of mitochondrial function, activity and associated metabolic regulation. The application of GSK3 inhibitors in clinical tests will be highlighted too. Interactions between GSK3 and important energy regulators and GSK3‐mediated responses to different stresses that are related to metabolism are described to provide a brief overview of previously less‐appreciated biological functions of GSK3 in energy metabolism and associated diseases through its regulation of GS and other functions.
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Affiliation(s)
- Li Wang
- Proteomics, Metabolomics, and Drug Development Core, Faculty of Health Sciences, University of Macau, Macau, China.,Department of Biomedical Sciences, Faculty of Health Sciences, Macau, China.,Cancer Center of the Faculty of Health Sciences, University of Macau, Macau, China.,Institute of Translational Medicine, University of Macau, Macau, China.,Ministry of Education, Frontiers Science Center for Precision Oncology, University of Macau, Macau, China
| | - Jiajia Li
- Department of Biomedical Sciences, Faculty of Health Sciences, Macau, China.,Cancer Center of the Faculty of Health Sciences, University of Macau, Macau, China.,Institute of Translational Medicine, University of Macau, Macau, China.,Ministry of Education, Frontiers Science Center for Precision Oncology, University of Macau, Macau, China
| | - Li-Jun Di
- Department of Biomedical Sciences, Faculty of Health Sciences, Macau, China.,Cancer Center of the Faculty of Health Sciences, University of Macau, Macau, China.,Institute of Translational Medicine, University of Macau, Macau, China.,Ministry of Education, Frontiers Science Center for Precision Oncology, University of Macau, Macau, China
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Bono S, Feligioni M, Corbo M. Impaired antioxidant KEAP1-NRF2 system in amyotrophic lateral sclerosis: NRF2 activation as a potential therapeutic strategy. Mol Neurodegener 2021; 16:71. [PMID: 34663413 PMCID: PMC8521937 DOI: 10.1186/s13024-021-00479-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 08/03/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Oxidative stress (OS) is an imbalance between oxidant and antioxidant species and, together with other numerous pathological mechanisms, leads to the degeneration and death of motor neurons (MNs) in amyotrophic lateral sclerosis (ALS). MAIN BODY Two of the main players in the molecular and cellular response to OS are NRF2, the transcription nuclear factor erythroid 2-related factor 2, and its principal negative regulator, KEAP1, Kelch-like ECH (erythroid cell-derived protein with CNC homology)-associated protein 1. Here we first provide an overview of the structural organization, regulation, and critical role of the KEAP1-NRF2 system in counteracting OS, with a focus on its alteration in ALS. We then examine several compounds capable of promoting NRF2 activity thereby inducing cytoprotective effects, and which are currently in different stages of clinical development for many pathologies, including neurodegenerative diseases. CONCLUSIONS Although challenges associated with some of these compounds remain, important advances have been made in the development of safer and more effective drugs that could actually represent a breakthrough for fatal degenerative diseases such as ALS.
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Affiliation(s)
- Silvia Bono
- Need Institute, Laboratory of Neurobiology for Translational Medicine, c/o Casa di Cura del Policlinico (CCP), Via Dezza 48, 20144 Milan, Italy
| | - Marco Feligioni
- Need Institute, Laboratory of Neurobiology for Translational Medicine, c/o Casa di Cura del Policlinico (CCP), Via Dezza 48, 20144 Milan, Italy
- Laboratory of Neuronal Cell Signaling, EBRI Rita Levi-Montalcini Foundation, 00161 Rome, Italy
| | - Massimo Corbo
- Department of Neurorehabilitation Sciences, Casa di Cura del Policlinico (CCP), Via Dezza 48, 20144 Milan, Italy
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Liu S, Lv X, Wei X, Liu C, Li Q, Min J, Hua F, Zhang X, Li K, Li P, Xiao Y, Hu Z, Cui B. TRIB3‒GSK-3 β interaction promotes lung fibrosis and serves as a potential therapeutic target. Acta Pharm Sin B 2021; 11:3105-3119. [PMID: 34729304 PMCID: PMC8546892 DOI: 10.1016/j.apsb.2021.06.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 05/10/2021] [Accepted: 05/13/2021] [Indexed: 11/15/2022] Open
Abstract
Pulmonary fibrosis (PF) is a chronic, progressive, fatal interstitial lung disease with limited available therapeutic strategies. We recently reported that the protein kinase glycogen synthase kinase-3β (GSK-3β) interacts with and inactivates the ubiquitin-editing enzyme A20 to suppress the degradation of the transcription factor CCAAT/enhancer-binding protein beta (C/EBPβ) in alveolar macrophages (AMs), resulting in a profibrotic phenotype of AMs and promoting the development of PF. Here, we showed that chronic lung injury upregulated the stress response protein tribbles homolog 3 (TRIB3), which interacted with GSK-3β and stabilized GSK-3β from ubiquitination and degradation. Elevated GSK-3β expression phosphorylated A20 to inhibit its ubiquitin-editing activity, causing the accumulation of C/EBPβ and the production of several profibrotic factors in AMs and promoting PF development. Activated C/EBPβ, in turn, increased the transcription of TRIB3 and GSK-3β, thereby establishing a positive feedback loop in AMs. The knockdown of TRIB3 expression or the pharmacologic disruption of the TRIB3‒GSK-3β interaction was an effective PF treatment. Our study reveals an intact profibrotic axis of TRIB3‒GSK-3β‒A20‒C/EBPβ in AMs, which represents a target that may provide a promising treatment strategy for PF.
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Umbarkar P, Ejantkar S, Tousif S, Lal H. Mechanisms of Fibroblast Activation and Myocardial Fibrosis: Lessons Learned from FB-Specific Conditional Mouse Models. Cells 2021; 10:cells10092412. [PMID: 34572061 PMCID: PMC8471002 DOI: 10.3390/cells10092412] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 09/09/2021] [Accepted: 09/10/2021] [Indexed: 01/26/2023] Open
Abstract
Heart failure (HF) is a leading cause of morbidity and mortality across the world. Cardiac fibrosis is associated with HF progression. Fibrosis is characterized by the excessive accumulation of extracellular matrix components. This is a physiological response to tissue injury. However, uncontrolled fibrosis leads to adverse cardiac remodeling and contributes significantly to cardiac dysfunction. Fibroblasts (FBs) are the primary drivers of myocardial fibrosis. However, until recently, FBs were thought to play a secondary role in cardiac pathophysiology. This review article will present the evolving story of fibroblast biology and fibrosis in cardiac diseases, emphasizing their recent shift from a supporting to a leading role in our understanding of the pathogenesis of cardiac diseases. Indeed, this story only became possible because of the emergence of FB-specific mouse models. This study includes an update on the advancements in the generation of FB-specific mouse models. Regarding the underlying mechanisms of myocardial fibrosis, we will focus on the pathways that have been validated using FB-specific, in vivo mouse models. These pathways include the TGF-β/SMAD3, p38 MAPK, Wnt/β-Catenin, G-protein-coupled receptor kinase (GRK), and Hippo signaling. A better understanding of the mechanisms underlying fibroblast activation and fibrosis may provide a novel therapeutic target for the management of adverse fibrotic remodeling in the diseased heart.
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Affiliation(s)
- Prachi Umbarkar
- Division of Cardiovascular Disease, The University of Alabama at Birmingham, Birmingham, AL 35294, USA;
- Correspondence: (P.U.); (H.L.); Tel.: +1-205-996-4248 (P.U.); +1-205-996-4219 (H.L.); Fax: +1-205-975-5104 (H.L.)
| | - Suma Ejantkar
- School of Health Professions, The University of Alabama at Birmingham, Birmingham, AL 35294, USA;
| | - Sultan Tousif
- Division of Cardiovascular Disease, The University of Alabama at Birmingham, Birmingham, AL 35294, USA;
| | - Hind Lal
- Division of Cardiovascular Disease, The University of Alabama at Birmingham, Birmingham, AL 35294, USA;
- Correspondence: (P.U.); (H.L.); Tel.: +1-205-996-4248 (P.U.); +1-205-996-4219 (H.L.); Fax: +1-205-975-5104 (H.L.)
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47
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Domínguez F, Lalaguna L, López-Olañeta M, Villalba-Orero M, Padrón-Barthe L, Román M, Bello-Arroyo E, Briceño A, Gonzalez-Lopez E, Segovia-Cubero J, García-Pavía P, Lara-Pezzi E. Early Preventive Treatment With Enalapril Improves Cardiac Function and Delays Mortality in Mice With Arrhythmogenic Right Ventricular Cardiomyopathy Type 5. Circ Heart Fail 2021; 14:e007616. [PMID: 34412508 DOI: 10.1161/circheartfailure.120.007616] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Arrhythmogenic right ventricular cardiomyopathy type 5 (ARVC5) is an inherited cardiac disease with complete penetrance and an aggressive clinical course caused by mutations in TMEM43 (transmembrane protein 43). There is no cure for ARVC5 and palliative treatment is started once the phenotype is present. A transgenic mouse model of ARVC5 expressing human TMEM43-S358L (TMEM43mut) recapitulates the human disease, enabling the exploration of preventive treatments. The aim of this study is to determine whether preventive treatment with heart failure drugs (β-blockers, ACE [angiotensin-converting enzyme] inhibitors, mineralocorticoid-receptor antagonists) improves the disease course of ARVC5 in TMEM43mut mice. METHODS TMEM43mut male/female mice were treated with metoprolol (β-blockers), enalapril (ACE inhibitor), spironolactone (mineralocorticoid-receptor antagonist), ACE inhibitor + mineralocorticoid-receptor antagonist, ACE inhibitor + mineralocorticoid-receptor antagonist + β-blockers or left untreated. Drugs were initiated at 3 weeks of age, before ARVC5 phenotype, and serial ECG and echocardiograms were performed. RESULTS TMEM43mut mice treated with enalapril showed a significantly increased median survival compared with untreated mice (26 versus 21 weeks; P=0.003). Enalapril-treated mice also exhibited increased left ventricular ejection fraction at 4 months compared with controls (37.0% versus 24.9%; P=0.004), shorter QRS duration and reduced left ventricle fibrosis. Combined regimens including enalapril also showed positive effects. Metoprolol decreased QRS voltage prematurely and resulted in a nonsignificant decrease in left ventricular ejection fraction compared with untreated TMEM43mut mice. CONCLUSIONS Preventive enalapril-based regimens reduced fibrosis, improved ECG, echocardiographic parameters and survival of ARVC5 mice. Early metoprolol did not show positive effects and caused premature ECG abnormalities. Our findings pave the way to consider prophylactic enalapril in asymptomatic ARVC5 genetic carriers.
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Affiliation(s)
- Fernando Domínguez
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain (F.D., L.L., M.L.-O., M.V.-O., L.P.-B., M.R., E.B.-A., E.L.-P.).,Heart Failure and Inherited Cardiac Diseases Unit, Department of Cardiology, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain (F.D., A.B., E.G.-L., J.S.-C., P.G.-P.).,CIBER Cardiovascular Diseases (CIBERCV), Madrid, Spain (F.D., E.G.-L., J.S.-C., P.G.-P., E.L.-P.)
| | - Laura Lalaguna
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain (F.D., L.L., M.L.-O., M.V.-O., L.P.-B., M.R., E.B.-A., E.L.-P.)
| | - Marina López-Olañeta
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain (F.D., L.L., M.L.-O., M.V.-O., L.P.-B., M.R., E.B.-A., E.L.-P.)
| | - María Villalba-Orero
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain (F.D., L.L., M.L.-O., M.V.-O., L.P.-B., M.R., E.B.-A., E.L.-P.)
| | - Laura Padrón-Barthe
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain (F.D., L.L., M.L.-O., M.V.-O., L.P.-B., M.R., E.B.-A., E.L.-P.)
| | - Marta Román
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain (F.D., L.L., M.L.-O., M.V.-O., L.P.-B., M.R., E.B.-A., E.L.-P.)
| | - Elísabet Bello-Arroyo
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain (F.D., L.L., M.L.-O., M.V.-O., L.P.-B., M.R., E.B.-A., E.L.-P.)
| | - Ana Briceño
- Heart Failure and Inherited Cardiac Diseases Unit, Department of Cardiology, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain (F.D., A.B., E.G.-L., J.S.-C., P.G.-P.)
| | - Esther Gonzalez-Lopez
- Heart Failure and Inherited Cardiac Diseases Unit, Department of Cardiology, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain (F.D., A.B., E.G.-L., J.S.-C., P.G.-P.).,CIBER Cardiovascular Diseases (CIBERCV), Madrid, Spain (F.D., E.G.-L., J.S.-C., P.G.-P., E.L.-P.)
| | - Javier Segovia-Cubero
- Heart Failure and Inherited Cardiac Diseases Unit, Department of Cardiology, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain (F.D., A.B., E.G.-L., J.S.-C., P.G.-P.).,CIBER Cardiovascular Diseases (CIBERCV), Madrid, Spain (F.D., E.G.-L., J.S.-C., P.G.-P., E.L.-P.)
| | - Pablo García-Pavía
- Heart Failure and Inherited Cardiac Diseases Unit, Department of Cardiology, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain (F.D., A.B., E.G.-L., J.S.-C., P.G.-P.).,CIBER Cardiovascular Diseases (CIBERCV), Madrid, Spain (F.D., E.G.-L., J.S.-C., P.G.-P., E.L.-P.).,Francisco de Vitoria University, Madrid, Spain (P.G.-P.)
| | - Enrique Lara-Pezzi
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain (F.D., L.L., M.L.-O., M.V.-O., L.P.-B., M.R., E.B.-A., E.L.-P.).,CIBER Cardiovascular Diseases (CIBERCV), Madrid, Spain (F.D., E.G.-L., J.S.-C., P.G.-P., E.L.-P.)
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48
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Li X, Li L, Lei W, Chua HZ, Li Z, Huang X, Wang Q, Li N, Zhang H. Traditional Chinese medicine as a therapeutic option for cardiac fibrosis: Pharmacology and mechanisms. Biomed Pharmacother 2021; 142:111979. [PMID: 34358754 DOI: 10.1016/j.biopha.2021.111979] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 07/05/2021] [Accepted: 07/26/2021] [Indexed: 02/06/2023] Open
Abstract
Cardiovascular diseases are one of the leading causes of death worldwide and cardiac fibrosis is a common pathological process for cardiac remodeling in cardiovascular diseases. Cardiac fibrosis not only accelerates the deterioration progress of diseases but also becomes a pivotal contributor for futile treatment in clinical cardiovascular trials. Although cardiac fibrosis is common and prevalent, effective medicines to provide sufficient clinical intervention for cardiac fibrosis are still unavailable. Traditional Chinese medicine (TCM) is the natural essence experienced boiling, fry, and other processing methods, including active ingredients, extracts, and herbal formulas, which have been applied to treat human diseases for a long history. Recently, research has increasingly focused on the great potential of TCM for the prevention and treatment of cardiac fibrosis. Here, we aim to clarify the identified pro-fibrotic mechanisms and intensively summarize the application of TCM in improving cardiac fibrosis by working on these mechanisms. Through comprehensively analyzing, TCM mainly regulates the following pathways during ameliorating cardiac fibrosis: attenuation of inflammation and oxidative stress, inhibition of cardiac fibroblasts activation, reduction of extracellular matrix accumulation, modulation of the renin-angiotensin-aldosterone system, modulation of autophagy, regulation of metabolic-dependent mechanisms, and targeting microRNAs. We also discussed the deficiencies and the development direction of anti-fibrotic therapies on cardiac fibrosis. The data reviewed here demonstrates that TCM shows a robust effect on alleviating cardiac fibrosis, which provides us a rich source of new drugs or drug candidates. Besides, we also hope this review may give some enlightenment for treating cardiac fibrosis in clinical practice.
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Affiliation(s)
- Xiao Li
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Innovation Team of Research on Compound Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
| | - Lin Li
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Innovation Team of Research on Compound Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
| | - Wei Lei
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Innovation Team of Research on Compound Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
| | - Hui Zi Chua
- Evidence-Based Medicine Center, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
| | - Zining Li
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Innovation Team of Research on Compound Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
| | - Xianglong Huang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300381, China.
| | - Qilong Wang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Innovation Team of Research on Compound Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
| | - Nan Li
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Innovation Team of Research on Compound Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
| | - Han Zhang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Innovation Team of Research on Compound Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
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49
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Xu LN, Wang SH, Su XL, Komal S, Fan HK, Xia L, Zhang LR, Han SN. Targeting Glycogen Synthase Kinase 3 Beta Regulates CD47 Expression After Myocardial Infarction in Rats via the NF-κB Signaling Pathway. Front Pharmacol 2021; 12:662726. [PMID: 34349643 PMCID: PMC8327268 DOI: 10.3389/fphar.2021.662726] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 04/12/2021] [Indexed: 12/13/2022] Open
Abstract
The aim of this study was to investigate the effects of the GSK-3β/NF-κB pathway on integrin-associated protein (CD47) expression after myocardial infarction (MI) in rats. An MI Sprague Dawley rat model was established by ligating the left anterior descending coronary artery. The rats were divided into three groups: Sham, MI, and SB + MI (SB216763) groups. Immunohistochemistry was used to observe the changes in cardiac morphology. A significant reduction in the sizes of fibrotic scars was observed in the SB + MI group compared to that in the MI group. SB216763 decreased the mRNA and protein expression of CD47 and NF-κB during MI. Primary rat cardiomyocytes (RCMs) and the H9c2 cell line were used to establish in vitro hypoxia models. Quantitative real-time PCR and western blotting analyses were conducted to detect mRNA and protein expression levels of CD47 and NF-κB and apoptosis-related proteins, respectively. Apoptosis of hypoxic cells was assessed using flow cytometry. SB216763 reduced the protein expression of CD47 and NF-κB in RCMs and H9c2 cells under hypoxic conditions for 12 h, and alleviated hypoxia-induced apoptosis. SN50 (an NF-κB inhibitor) also decreased CD47 protein expression in RCMs and H9c2 cells under hypoxic conditions for 12 h and protected cells from apoptosis. GSK-3β upregulates CD47 expression in cardiac tissues after MI by activating NF-κB, which in turn leads to myocardial cell damage and apoptosis.
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Affiliation(s)
- Li-Na Xu
- Department of Pharmacology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Shu-Hui Wang
- Department of Pharmacology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Xue-Ling Su
- Department of Pharmacology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Sumra Komal
- Department of Pharmacology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Hong-Kun Fan
- Department of Physiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Li Xia
- Department of Anesthesiology in Surgery Branch, The Second Affiliated Hospital, Zhengzhou University, Zhengzhou, China
| | - Li-Rong Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Sheng-Na Han
- Department of Pharmacology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
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50
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Bouvet M, Dubois-Deruy E, Turkieh A, Mulder P, Peugnet V, Chwastyniak M, Beseme O, Dechaumes A, Amouyel P, Richard V, Lamblin N, Pinet F. Desmin aggrephagy in rat and human ischemic heart failure through PKCζ and GSK3β as upstream signaling pathways. Cell Death Discov 2021; 7:153. [PMID: 34226534 PMCID: PMC8257599 DOI: 10.1038/s41420-021-00549-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 04/29/2021] [Accepted: 06/01/2021] [Indexed: 12/21/2022] Open
Abstract
Post-translational modifications of cardiac proteins could participate to left contractile dysfunction resulting in heart failure. Using a rat model of ischemic heart failure, we showed an accumulation of phosphorylated desmin leading to toxic aggregates in cardiomyocytes, but the cellular mechanisms are unknown. The same rat model was used to decipher the kinases involved in desmin phosphorylation and the proteolytic systems present in rat and human failing hearts. We used primary cultures of neonate rat cardiomyocytes for testing specific inhibitors of kinases and for characterizing the autophagic processes able to clear desmin aggregates. We found a significant increase of active PKCζ, no modulation of ubitiquitin-proteasome system, a defect in macroautophagy, and an activation of chaperone-mediated autophagy in heart failure rats. We validated in vitro that PKCζ inhibition induced a significant decrease of GSK3β and of soluble desmin. In vitro activation of ubiquitination of proteins and of chaperone-mediated autophagy is able to decrease soluble and insoluble forms of desmin in cardiomyocytes. These data demonstrate a novel signaling pathway implicating activation of PKCζ in desmin phosphorylation associated with a defect of proteolytic systems in ischemic heart failure, leading to desmin aggrephagy. Our in vitro data demonstrated that ubiquitination of proteins and chaperone-mediated autophagy are required for eliminating desmin aggregates with the contribution of its chaperone protein, α-crystallin Β-chain. Modulation of the kinases involved under pathological conditions may help preserving desmin intermediate filaments structure and thus protect the structural integrity of contractile apparatus of cardiomyocytes by limiting desmin aggregates formation.
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Affiliation(s)
- Marion Bouvet
- INSERM, Univ. Lille, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, F-59000, Lille, France
| | - Emilie Dubois-Deruy
- INSERM, Univ. Lille, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, F-59000, Lille, France
| | - Annie Turkieh
- INSERM, Univ. Lille, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, F-59000, Lille, France
| | - Paul Mulder
- Normandie Univ, UNIROUEN, Inserm U1096, FHU-REMOD-VHF, 76000, Rouen, France
| | - Victoriane Peugnet
- INSERM, Univ. Lille, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, F-59000, Lille, France
| | - Maggy Chwastyniak
- INSERM, Univ. Lille, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, F-59000, Lille, France
| | - Olivia Beseme
- INSERM, Univ. Lille, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, F-59000, Lille, France
| | - Arthur Dechaumes
- INSERM, Univ. Lille, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, F-59000, Lille, France
| | - Philippe Amouyel
- INSERM, Univ. Lille, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, F-59000, Lille, France
| | - Vincent Richard
- Normandie Univ, UNIROUEN, Inserm U1096, FHU-REMOD-VHF, 76000, Rouen, France
| | - Nicolas Lamblin
- INSERM, Univ. Lille, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, F-59000, Lille, France
| | - Florence Pinet
- INSERM, Univ. Lille, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Facteurs de risque et déterminants moléculaires des maladies liées au vieillissement, F-59000, Lille, France.
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