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Wang S, Yu Y, Liu J, Hu S, Shi S, Feng W, Mao Y. Alginate oligosaccharide alleviates vascular aging by upregulating glutathione peroxidase 7. J Nutr Biochem 2024; 126:109578. [PMID: 38216066 DOI: 10.1016/j.jnutbio.2024.109578] [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: 04/18/2023] [Revised: 12/21/2023] [Accepted: 01/06/2024] [Indexed: 01/14/2024]
Abstract
Alginate oligosaccharide (AOS) may delay aging by decreasing oxidative stress, but the effects on vascular aging remain unclear. Here, we evaluate the effect of AOS on vascular aging and investigate the underlying mechanisms. Twenty-month-old rats acted as the natural aging model in vivo. Senescence of human aortic vascular smooth muscle cells (HA-VSMCs) was induced in vitro using angiotensin II (AngII). The aging rats and senescent cells were treated with AOS, followed by assessment of aging makers, oxidative stress, and aging-induced vascular remodeling. AOS treatment alleviated vascular aging and HA-VSMC senescence and decreased the levels of oxidative stress and vascular remodeling-associated indicators. AOS upregulated the expression of glutathione peroxidase 7 (GPX7) in aging rats and GPX7 depletion disrupted the geroprotective effect of AOS. AOS increased the nuclear translocation of nuclear factor erythroid-2-related factor (Nrf2) protein, which interacts with GPX7 protein to induce its expression. In conclusion, AOS alleviates vascular aging and HA-VSMC senescence and reduces aging-related vascular remodeling via the GPX7 antioxidant pathway, which may provide new avenues for treating aging-associated diseases.
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Affiliation(s)
- Shan Wang
- Department of Geriatric Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yao Yu
- Department of Geriatric Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jia Liu
- Department of Geriatric Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Song Hu
- Department of Geriatric Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Shujuan Shi
- Department of Geriatric Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Wenjing Feng
- Department of Geriatric Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yongjun Mao
- Department of Geriatric Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China.
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2
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Razzaghi A, Choobineh S, Gaeini A, Soori R. Interaction of exercise training with taurine attenuates infarct size and cardiac dysfunction via Akt-Foxo3a-Caspase-8 signaling pathway. Amino Acids 2023:10.1007/s00726-023-03275-4. [PMID: 37204452 DOI: 10.1007/s00726-023-03275-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Accepted: 05/04/2023] [Indexed: 05/20/2023]
Abstract
This research aimed to investigate the synergistic protective effect of exercise training and taurine on Akt-Foxo3a-Caspase-8 signaling related to infarct size and cardiac dysfunction. Therefore, 25 male Wistar rats with MI were divided into five groups: sham (Sh), control-MI(C-MI), exercise training-MI(Exe-MI), taurine supplementation-MI(Supp-MI), and exercise training + taurine-MI(Exe + Supp-MI). The taurine groups were given a 200 mg/kg/day dose of taurine by drinking water. Exercise training was conducted for 8 weeks (5 days/week), each session alternated 2 min with 25-30% VO2peak and 4 min with 55-60% VO2peak for 10 alternations. Then, the left ventricle tissue samples were taken from all groups. Exercise training and taurine activated Akt and decreased Foxo3a. Expression of the caspase-8 gene was increased in cardiac necrosis after MI, While, after 12 weeks of intervention decreased. Results exhibited that exercise training combined with taurine has a greater effect than either alone on activating the Akt-Foxo3a-caspase signaling pathway (P < 0.001). MI-induced myocardial injury leads to increase collagen deposition (P < 0.001) and infarct size and results in cardiac dysfunction via reduced stroke volume, ejection fraction, and fractional shortening (P < 0.001). Exercise training and taurine improved cardiac functional parameters (SV, EF, FS) and infarct size (P < 0.001) after 8 weeks of intervention in rats with MI. Also, the interaction of exercise training and taurine has a greater effect than alone on these variables. Interaction of exercise training with taurine supplementation induces a general amelioration of the cardiac histopathological profiles and improves cardiac remodeling via activating Akt-Foxo3a-Caspase-8 signaling with protective effects against MI.
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Affiliation(s)
| | - Siroos Choobineh
- Department of Exercise Physiology, University of Tehran, Tehran, Iran
| | - Abbasali Gaeini
- Department of Exercise Physiology, University of Tehran, Tehran, Iran
| | - Rahman Soori
- Department of Exercise Physiology, University of Tehran, Tehran, Iran
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3
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Qin Y, Xie J, Zheng R, Li Y, Wang H. Oleoylethanolamide as a New Therapeutic Strategy to Alleviate Doxorubicin-Induced Cardiotoxicity. Front Pharmacol 2022; 13:863322. [PMID: 35517792 PMCID: PMC9065409 DOI: 10.3389/fphar.2022.863322] [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: 01/27/2022] [Accepted: 03/30/2022] [Indexed: 11/18/2022] Open
Abstract
Doxorubicin (DOX) is one of the most common chemotherapeutic anti-cancer drugs. However, its clinical use is restricted by serious cardiotoxicity. Oleoylethanolamide (OEA), a structural congener of endocannabinoid anandamide, is the endogenous agonist of peroxisome proliferator activated-receptor α (PPARα) and transient receptor potential cation channel vanilloid-1 (TRPV1), and involved in many physiological processes. The present study aimed to determine whether OEA treatment protects against DOX-induced cytotoxicity (DIC) and gain insights into the underlying mechanism that mediate these effects. Our data revealed that Oleoylethanolamide treatment improved the myocardial structure in DOX-challenged mice by attenuating cardiac oxidative stress and cell apoptosis. OEA also alleviated DOX-induced oxidative stress and apoptosis dysregulation in HL-1 cardiomyocyte. These effects were mediated by activation of TRPV1 and upregulation of PI3K/ Akt signaling pathway. Inhibition of TRPV1 and PI3K reversed the protective effects of OEA. Taken together, our data suggested that OEA protects against DIC through a TRPV1- mediated PI3K/ Akt pathway.
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Affiliation(s)
- Yeyu Qin
- Department of Pharmacy, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, China
| | - Jing Xie
- Department of Pharmacy, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, China
| | - Ruihe Zheng
- Department of Pharmacy, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, China.,Medical College, Xiamen University, Xiamen, China
| | - Yuhang Li
- Xiamen Institute of Rare-Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen, China
| | - Haixia Wang
- Department of Medical Oncology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, China
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Alsemeh AE, Abdullah DM. Protective effect of alogliptin against cyclophosphamide-induced lung toxicity in rats: Impact on PI3K/Akt/FoxO1 pathway and downstream inflammatory cascades. Cell Tissue Res 2022; 388:417-438. [PMID: 35107620 PMCID: PMC9035424 DOI: 10.1007/s00441-022-03593-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 01/19/2022] [Indexed: 12/16/2022]
Abstract
Cyclophosphamide (CP)-induced lung toxicity is a remaining obstacle against the beneficial use of this chemotherapeutic agent. More considerations were given to the role of Alogliptin (ALO) in ameliorating CP-induced toxicities in many tissues. We designed this study to clarify the protective potential of ALO against CP-induced lung toxicity in rats. ALO was administered for 7 days. Single-dose CP was injected on the 2nd day (200 mg/kg: i.p.) to induce lung toxicity. Rats were divided into four groups: control, ALO-treated, CP-treated and ALO + CP-treated group. Leucocytic count, total proteins, LDH activity, TNF-α, and IL-6 were estimated in the bronchoalveolar lavage fluid (BALF). The oxidative/antioxidants (MDA, Nrf2, TAO and GSH), inflammatory (NFκB), fibrotic (TGF-β1) and apoptotic (PI3K/Akt/FoxO1) markers in pulmonary homogenates were biochemically evaluated. Rat lung sections were examined histologically (light and electron microscopic examination) and immunohistochemically (for iNOS and CD68 positive alveolar macrophages). CP significantly increased oxidative stress, inflammation, fibrosis, and apoptosis markers as well as deteriorated the histopathological pulmonary architecture. These hazardous effects were significantly ameliorated by ALO treatment. ALO protected against CP-induced lung toxicity by mitigating the oxidative, inflammatory and fibrotic impacts making it a promising pharmacological therapy for mitigating CP-induced lung toxicity.
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Affiliation(s)
- Amira Ebrahim Alsemeh
- Human Anatomy and Embryology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt.
| | - Doaa M Abdullah
- Clinical Pharmacology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt.
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5
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Lu Z, Liu Z, Fang B. Propofol protects cardiomyocytes from doxorubicin-induced toxic injury by activating the nuclear factor erythroid 2-related factor 2/glutathione peroxidase 4 signaling pathways. Bioengineered 2022; 13:9145-9155. [PMID: 35363601 PMCID: PMC9161918 DOI: 10.1080/21655979.2022.2036895] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Propofol offers important protective effects in ischemia/reperfusion-induced cardiomyocyte injury, but its specific mechanisms in doxorubicin (DOX)-induced cardiotoxicity have not been investigated. In this paper, we attempted to explore the effects of propofol on DOX-induced human cardiomyocyte injury and its related mechanisms. H9c2 cell viability was assessed by cell counting kit-8 and lactate dehydrogenase assay kit. Nuclear factor erythroid 2-related factor 2 (NRF2)/glutathione peroxidase 4 (GPx4) signaling pathway-related protein levels were measured by Western blot. Ferroptosis was evaluated by corresponding kits and Western blot and apoptosis was detected by CCK-8, terminal deoxynucleotidyl transferase dUTP nick-end labeling and Western blot. Oxidative stress was assessed by reactive oxygen species kit and the commercial kits, and inflammation response was analyzed by enzyme-linked immunosorbent assay and Western blot. The results showed that propofol attenuated DOX-induced cytotoxicity and activated Nrf2/GPx4 signaling pathways in H9c2 cells. In addition, propofol also alleviated DOX-induced ferroptosis, increased cell viability and inhibited apoptosis, oxidative stress and inflammatory responses in H9c2 cells through activation of Nrf2/GPx4 signaling pathways. In summary, propofol provides the protection against DOX-induced cardiomyocyte injury by activating Nrf2/GPx4 signaling, providing a new approach and theoretical basis for the repair of cardiomyocytes.
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Affiliation(s)
- Ziyun Lu
- Department of Anesthesiology, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Zhiyi Liu
- Department of Anesthesiology, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Bei Fang
- Department of Anesthesiology, The First Affiliated Hospital of Nanchang University, Nanchang, China
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Surai PF, Earle-Payne K, Kidd MT. Taurine as a Natural Antioxidant: From Direct Antioxidant Effects to Protective Action in Various Toxicological Models. Antioxidants (Basel) 2021; 10:1876. [PMID: 34942978 PMCID: PMC8698923 DOI: 10.3390/antiox10121876] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 11/21/2021] [Accepted: 11/23/2021] [Indexed: 12/18/2022] Open
Abstract
Natural antioxidants have received tremendous attention over the last 3 decades. At the same time, the attitude to free radicals is slowly changing, and their signalling role in adaptation to stress has recently received a lot of attention. Among many different antioxidants in the body, taurine (Tau), a sulphur-containing non-proteinogenic β-amino acid, is shown to have a special place as an important natural modulator of the antioxidant defence networks. Indeed, Tau is synthesised in most mammals and birds, and the Tau requirement is met by both synthesis and food/feed supply. From the analysis of recent data, it could be concluded that the direct antioxidant effect of Tau due to scavenging free radicals is limited and could be expected only in a few mammalian/avian tissues (e.g., heart and eye) with comparatively high (>15-20 mM) Tau concentrations. The stabilising effects of Tau on mitochondria, a prime site of free radical formation, are characterised and deserve more attention. Tau deficiency has been shown to compromise the electron transport chain in mitochondria and significantly increase free radical production. It seems likely that by maintaining the optimal Tau status of mitochondria, it is possible to control free radical production. Tau's antioxidant protective action is of great importance in various stress conditions in human life, and is related to commercial animal and poultry production. In various in vitro and in vivo toxicological models, Tau showed AO protective effects. The membrane-stabilizing effects, inhibiting effects on ROS-producing enzymes, as well as the indirect AO effects of Tau via redox balance maintenance associated with the modulation of various transcription factors (e.g., Nrf2 and NF-κB) and vitagenes could also contribute to its protective action in stress conditions, and thus deserve more attention.
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Affiliation(s)
- Peter F. Surai
- Vitagene and Health Research Centre, Bristol BS4 2RS, UK
- Department of Microbiology and Biochemistry, Faculty of Veterinary Medicine, Trakia University, 6000 Stara Zagora, Bulgaria
- Biochemistry and Physiology Department, Saint-Petersburg State University of Veterinary Medicine, 196084 St. Petersburg, Russia
- Department of Animal Nutrition, Faculty of Agricultural and Environmental Sciences, Szent Istvan University, H-2103 Gödöllo, Hungary
| | - Katie Earle-Payne
- NHS Greater Glasgow and Clyde, Renfrewshire Health and Social Care Centre, 10 Ferry Road, Renfrew PA4 8RU, UK;
| | - Michael T. Kidd
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA;
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Zhang H, Guo J, Cui S, Zhou Y. Taurine Has Potential Protective Effects against the Chronic Cardiotoxicity Induced by Doxorubicin in Mice. Biol Pharm Bull 2021; 44:1732-1737. [PMID: 34719649 DOI: 10.1248/bpb.b21-00462] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Doxorubicin (DOX) is an effective anticancer anthracycline drug; however, the cardiotoxicity limits its application. The aim of the present study was to investigate the potential protective effect of taurine against DOX-induced chronic cardiotoxicity in mice. We found that exogenous supplementation of taurine can inhibit the weight loss of mice caused by DOX. The increased activity of myocardial enzymes creatine kinase (CK) and lactate dehydrogenase (LDH) in response to DOX treatment were significantly hampered. In addition, taurine supplementation alleviated the decrease in superoxide dismutase (SOD) activity, glutathione (GSH) content, glutathione peroxidase 4 (Gpx4) expression, and the increase in malondialdehyde (MDA) content caused by DOX. Besides, taurine alleviated myocardial myofibrillar disruption and mitochondrial edema. Furthermore, our results showed that taurine decreased the expressions of cleaved caspase-3 and Bax/Bcl2, thereby inhibiting apoptosis. These collective data demonstrated that exogenous taurine supplementation has a potentially protective effect against the myocardial damage caused by doxorubicin in mice by enhancing antioxidant capacity and reducing oxidative damage and apoptosis.
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Affiliation(s)
| | - Jiajia Guo
- College of Veterinary Medicine, Yangzhou University
| | - Sheng Cui
- College of Veterinary Medicine, Yangzhou University.,Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses.,Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University
| | - Yewen Zhou
- College of Veterinary Medicine, Yangzhou University.,Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses
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8
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Salama RM, Mohamed AM, Hamed NS, Ata RM, NourelDeen AS, Hassan MA. Alogliptin: a novel approach against cyclophosphamide-induced hepatic injury via modulating SIRT1/FoxO1 pathway. Toxicol Res (Camb) 2020; 9:561-568. [PMID: 32905193 DOI: 10.1093/toxres/tfaa059] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 06/22/2020] [Accepted: 07/15/2020] [Indexed: 12/16/2022] Open
Abstract
Cyclophosphamide (CP) is one of the most potent alkylating agents and is widely used in the treatment of numerous neoplastic conditions, autoimmune diseases and following organ transplantation. Due to its ability to induce oxidative stress and subsequent apoptosis, CP is affiliated with many adverse effects with special emphasis on the highly prevalent hepatotoxicity. Dipeptidyl peptidase 4 (DDP-IV) inhibitors are being rediscovered for new biological effects due to their ability to target multiple pathways, among which is the phosphoinositide 3-kinase (PI3K) and protein kinase B (Akt) axis. This could offer protection to multiple organs against reactive oxygen species (ROS) through modulating sirtuin 1 (SIRT1) expression and, in turn, inactivation of forkhead box transcription factor of the O class 1 (FoxO1), thus inhibiting apoptosis. Accordingly, the current study aimed to investigate the potential therapeutic benefit of alogliptin (Alo), a DPP-IV inhibitor, against CP-induced hepatotoxicity through enhancing PI3K/Akt/SIRT1 pathway. Forty male Wistar rats were randomly divided into four groups. The CP-treated group received a single dose of CP (200 mg/kg; i.p.). The Alo-treated group received Alo (20 mg/kg; p.o.) for 7 days with single CP injection on Day 2. Alo successfully reduced hepatic injury as witnessed through decreased liver function enzymes, increased phospho (p)-PI3K, p-Akt, superoxide dismutase (SOD) levels, SIRT1 expression, p-FoxO1 and anti-apoptotic B-cell lymphoma 2 (Bcl-2). This resulted in decreased apoptosis, as witnessed through decreased caspase-3 levels and improved histopathological picture. In conclusion, the current study succeeded to elaborate, for the first time, the promising impact of Alo in ameliorating chemotherapy-induced liver injury.
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Affiliation(s)
- Rania M Salama
- Pharmacology & Toxicology Department, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
| | - Abdelkader M Mohamed
- Translational and Clinical Research Unit, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
| | - Nada S Hamed
- Translational and Clinical Research Unit, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
| | - Raneem M Ata
- Translational and Clinical Research Unit, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
| | - Amira S NourelDeen
- Translational and Clinical Research Unit, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
| | - Mohamed A Hassan
- Translational and Clinical Research Unit, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
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Kang FC, Chen YC, Wang SC, So EC, Huang BM. Propofol induces apoptosis by activating caspases and the MAPK pathways, and inhibiting the Akt pathway in TM3 mouse Leydig stem/progenitor cells. Int J Mol Med 2020; 46:439-448. [PMID: 32319554 DOI: 10.3892/ijmm.2020.4584] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 04/06/2020] [Indexed: 11/05/2022] Open
Abstract
Propofol is an anesthetic agent moderating GABA receptors in the nervous system. A number of studies have demonstrated that propofol exerts a negative effect on neural stem cell development in the neonatal mouse hippocampus. However, to the best of our knowledge, there is no study available to date illustrating whether neonatal exposure to propofol affects Leydig stem/progenitor cell development for normal male reproductive development and functions, and the regulatory mechanism remains elusive. In the present study, TM3 cells, a mouse Leydig stem/progenitor cell line, was treated with propofol. The data illustrated that propofol significantly reduced TM3 cell viability. TM3 subG1 phase cell numbers were significantly increased by propofol assayed by flow cytometric analysis. Annexin V/PI double staining assay of the TM3 Leydig cells also demonstrated that propofol increased TM3 cell apoptosis. In addition, cleaved caspase‑8, ‑9 and ‑3 and/or poly(ADP‑ribose) polymerase (PARP) were significantly activated by propofol in the TM3 cells. Furthermore, the expression levels of phospho‑JNK, phospho‑ERK1/2 and phospho‑p38 were activated by propofol in the TM3 cells, indicating that propofol induced apoptosis through the mitogen‑activated protein kinase (MAPK) pathway. Additionally, propofol diminished the phosphorylation of Akt to increase the apoptosis of TM3 cells. On the whole, the findings of the present study demonstrate that propofol induces TM3 cell apoptosis by activating caspases and MAPK pathways, as well as by inhibiting the Akt pathway in TM3 cells. These findings illustrate that propofol affects the viability of Leydig stem/progenitor cells possibly related to the development of the male reproductive system.
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Affiliation(s)
- Fu-Chi Kang
- Department of Anesthesia, Chi Mei Medical Center, Chiali, Tainan 71004, Taiwan, R.O.C
| | - Yun-Chia Chen
- Department of Anatomy, School of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan, R.O.C
| | - Shu-Chun Wang
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan, R.O.C
| | - Edmund Cheung So
- Department of Anesthesia, An Nan Hospital, China Medical University, Tainan 70965, Taiwan, R.O.C
| | - Bu-Miin Huang
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan, R.O.C
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Wu P, Shi X, Luo M, Inam-U-Llah, Li K, Zhang M, Ma J, Li Y, Liu Y, Zhang C, Liu X, Li S, Li Q, Chen X, Che X, Piao F. Taurine inhibits neuron apoptosis in hippocampus of diabetic rats and high glucose exposed HT-22 cells via the NGF-Akt/Bad pathway. Amino Acids 2019; 52:87-102. [PMID: 31875259 DOI: 10.1007/s00726-019-02810-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 11/28/2019] [Indexed: 01/23/2023]
Abstract
Type 2 Diabetes causes learning and memory deficits that might be mediated by hippocampus neuron apoptosis. Studies found that taurine might improve cognitive deficits under diabetic condition because of its ability to prevent hippocampus neuron apoptosis. However, the effect and mechanism is not clear. In this study, we explore the effect and mechanism of taurine on inhibiting hippocampus neuron apoptosis. Sixty male Sprague-Dawley rats were randomly divided into control, T2D, taurine treatment (giving 0.5%, 1%, and 2% taurine in drinking water) groups. Streptozotocin was used to establish the diabetes model. HT-22 cell (hippocampus neurons line) was used for in vitro experiments. Morris Water Maze test was used to check the learning and memory ability, TUNEL assay was used to measure apoptosis and nerve growth factor (NGF); Akt/Bad pathway relevant protein was detected by western blot. Taurine improved learning and memory ability and significantly decreased apoptosis of the hippocampus neurons in T2D rats. Moreover, taurine supplement also inhibited high glucose-induced apoptosis in HT-22 cell in vitro. Mechanistically, taurine increased the expression of NGF, phosphorylation of Trka, Akt, and Bad, as well as reduced cytochrome c release from mitochondria to cytosol. However, beneficial effects of taurine were blocked in the presence of anti-NGF antibody or Akt inhibitor. Taurine could inhibit hippocampus neuron apoptosis via NGF-Akt/Bad pathway. These results provide some clues that taurine might be efficient and feasible candidate for improvement of learning and memory ability in T2D rats.
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Affiliation(s)
- Pingan Wu
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, China
| | - Xiaoxia Shi
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, China
| | - Mengxin Luo
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, China
| | - Inam-U-Llah
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, China
| | - Kaixin Li
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, China
| | - Mengren Zhang
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, China
| | - Jingran Ma
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, China
| | - Yuan Li
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, China
| | - Yanqing Liu
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, China
| | - Cong Zhang
- Department of Food Nutrition and Safety, Dalian Medical University, Dalian, China
| | - Xiaofang Liu
- Department of Food Nutrition and Safety, Dalian Medical University, Dalian, China
| | - Shuangyue Li
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, China
| | - Qiujuan Li
- Department of Experimental Teaching Center of Public Health, Dalian Medical University, Dalian, China
| | - Xiaochi Chen
- Department of Urology, The First Affiliated Hospital of Dalian Medical University, Dalian, 116011, Liaoning, China
| | - Xiangyu Che
- Department of Urology, The First Affiliated Hospital of Dalian Medical University, Dalian, 116011, Liaoning, China.
| | - Fengyuan Piao
- Integrative Laboratory, Affiliated Zhong Shan Hospital of Dalian University, Dalian, 116001, China.
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11
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Li YM, Sun JG, Hu LH, Ma XC, Zhou G, Huang XZ. Propofol-mediated cardioprotection dependent of microRNA-451/HMGB1 against myocardial ischemia-reperfusion injury. J Cell Physiol 2019; 234:23289-23301. [PMID: 31188485 DOI: 10.1002/jcp.28897] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 04/22/2019] [Indexed: 12/31/2022]
Abstract
Administration of propofol at the time of reperfusion has shown to protect the heart from ischemia and reperfusion (I/R) injury. The aim of the present study was to investigate the molecular mechanism underling the cardioprotective effect of propofol against myocardial I/R injury (MIRI) in vivo and in vitro. Rat heart I/R injury was induced by ligation of the left anterior descending (LAD) artery for 30 min followed by 2-hr reperfusion. Propofol pretreatment (0.01 mg/g) was performed 10 min before reperfusion. In vitro MIRI was investigated in cultured cardiomyocytes H9C2 following hypoxia/reoxygenation (H/R) injuries. Propofol pretreatment in vitro was achieved in the medium supplemented with 25 μmol/L propofol before H/R injuries. Propofol pretreatment significantly increased miRNA-451 expression, decreased HMGB1 expression, reduced infarct size, and I/R-induced cardiomyocyte apoptosis in rat hearts undergoing I/R injuries. Knockdown of miRNA-451 48 hr before I/R injury was found to increase HMGB1 expression, infarct size, and I/R-induced cardiomyocyte apoptosis in rat hearts in the presence of propofol pretreatment. These in vivo findings were reproduced in vivo that knockdown of miRNA-451 48 hr before H/R injuries increased HMGB1 expression and H/R-induced apoptosis in cultured H9C2 supplemented with propofol. In addition, luciferase activity assays and gain-of-function studies found that propofol could decrease HMGB1, the target of miRNA-541. Taken together our findings provide a first demonstration that propofol-mediated cardioprotection against MIRI is dependent of microRNA-451/HMGB1. The study provides a novel target to prevent I/R injury during propofol anesthesia.
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Affiliation(s)
- Yu-Mei Li
- Department of Anesthesiology, Rizhao People's Hospital, Rizhao, Shandong Province, China
| | - Jin-Guo Sun
- Department of Anesthesiology, Rizhao Central Hospital, Rizhao, Shandong Province, China
| | - Li-Hua Hu
- Department of Anesthesiology, Rizhao Central Hospital, Rizhao, Shandong Province, China
| | - Xian-Chun Ma
- Department of Anesthesiology, Rizhao Central Hospital, Rizhao, Shandong Province, China
| | - Gang Zhou
- Department of Anesthesiology, Rizhao People's Hospital, Rizhao, Shandong Province, China
| | - Xi-Zhao Huang
- Department of Anesthesiology, Guangdong Women and Children Hospital, Guangzhou, Guangdong Province, China
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Sun G, Qu S, Wang S, Shao Y, Sun J. Taurine attenuates acrylamide-induced axonal and myelinated damage through the Akt/GSK3β-dependent pathway. Int J Immunopathol Pharmacol 2019; 32:2058738418805322. [PMID: 30354842 PMCID: PMC6202743 DOI: 10.1177/2058738418805322] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Acrylamide (ACR), formed during the Maillard reaction induced by high temperature
in food processing, is one of the main causes of neurodegenerative diseases.
Taurine, a free intracellular β-amino acid, is characterized by many functions,
including antioxidation, anti-inflammatory, and neuroprotective properties. This
promotes its application in the treatment of neurodegenerative diseases. In this
study, the neuroprotective effects of taurine against ACR-induced neurotoxicity
and the potential underlying mechanisms were explored. Rats were intoxicated
with ACR and injected with taurine in different groups for totally 2 weeks
between January and July 2017. Electron microscopic analysis was used to observe
the changes in tissues of the rats. Meanwhile, the levels of proteins including
p-Akt, p-GSK3β, SIM312, and MBP were detected by Western blot. Furthermore, the
GSK3β phosphorylation in taurine-treated dorsal root ganglion (DRG) with ACR was
examined in the presence of the Akt inhibitor, MK-2206. The analysis of
behavioral performances and electron micrographs indicated that taurine
treatment significantly attenuated the toxic manifestations induced by ACR and
stimulated the growth of axons and the medullary sheath, which was associated
with the activation of the Akt/GSK3β signaling pathway. Mechanistically, it was
found that taurine activated GSK3β, leading to significant recovery of the
damage in ACR-induced sciatic nerves. Furthermore, MK-2206, an inhibitor of Akt,
was applied in DRG cells, suggesting that taurine-induced GSK3β phosphorylation
was Akt dependent. Our findings demonstrated that taurine attenuated ACR-induced
neuropathy in vivo, in an Akt/GSK3β-dependent manner. This confirmed the
treatment with taurine to be a novel strategy against ACR-induced
neurotoxicity.
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Affiliation(s)
- Guohua Sun
- The First Affiliated Hospital of Dalian
Medical University, Liaoning, China
| | - Shuxian Qu
- Institute of Cancer Stem Cell, Dalian
Medical University, Dalian, Liaoning, China
| | - Siyi Wang
- The First Affiliated Hospital of Dalian
Medical University, Liaoning, China
| | - Ying Shao
- The First Affiliated Hospital of Dalian
Medical University, Liaoning, China
| | - Jingsong Sun
- The First Affiliated Hospital of Dalian
Medical University, Liaoning, China
- Jingsong Sun, The First Affiliated Hospital
of Dalian Medical University, Liaoning 116011, China.
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13
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Delayed treatment of propofol inhibits lipopolysaccharide-induced inflammation in microglia through the PI3K/PKB pathway. Neuroreport 2019; 29:839-845. [PMID: 29742623 PMCID: PMC5999385 DOI: 10.1097/wnr.0000000000001041] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Propofol is a short-acting intravenous anesthetic agent with potential neuroprotective effect. In this study, we aim to investigate whether delayed propofol treatment is protective against lipopolysaccharide (LPS)-stimulated inflammatory responses in microglial cells. Cultured BV2 microglial cells were exposed to propofol at various time points after initiation of LPS stimulation. Nitrite production and cell viability were assessed after stimulation with LPS for 24 h. The effect of propofol on mRNA levels of cyclooxygenase-2 (Cox-2), interleukin-6 (IL-6), inducible nitric oxide synthase (iNOS), tumor necrosis factor α (TNF-α) and interleukin-1β (IL-1β) was analyzed using reverse transcription PCR (RT-PCR) 6 h after LPS stimulation. The production of TNF-α and reactive oxygen species was also studied. Propofol applied 0–4 h after the initiation of LPS dose-dependently inhibits nitric oxide production. Propofol application also decreased LPS-induced Cox-2, IL-6, iNOS, TNF-α, and IL-1β mRNA expression and induced significant protein kinase B (PKB) phosphorylation in BV2 cells. Treatment with phosphoinositide 3-kinase (PI3K)/PKB inhibitor wortmannin decreased PKB phosphorylation induced by propofol, and abolished the inhibitory effect of propofol on LPS-stimulated NO, reactive oxygen species and TNF-α production. Our results suggest that delayed propofol treatment can reduce LPS-induced activation of microglial cells. These effects may be mediated by activation of the PI3K/PKB pathway.
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14
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Li S, Wang J, Wei BK, Dong G, Wang X. Protective Effect of Taurine on Paraquat-Induced Lung Epithelial Cell Injury. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1155:739-746. [PMID: 31468444 DOI: 10.1007/978-981-13-8023-5_64] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The herbicide Paraquat induce oxidative stress-mediated lung injury. Taurine is a well-known antioxidant. This study was designed to explore the effect of taurine on paraquat-induced injury and its related mechanism in A549 cells. The cells were pretreated with various concentrations of taurine for 30 min prior to paraquat exposure. 24 h later, cell viability was examined by the MTT assay. The level of glutathione (GSH) and the activity of glutathione peroxidase (GPx) were analyzed. The results show that taurine treatment significantly attenuates the decrease in cell viability mediated by paraquat in A549 cells. Taurine also reversed paraquat-induced disturbances in GSH content and GPx activity. Taurine exerts protection against paraquat-mediated A549 cell toxicity likely through modulation of oxidative stress.
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Affiliation(s)
- Shuangxing Li
- Department of Emergency Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Jinhua Wang
- Clinical Medicine (5+3), Dalian Medical University, Dalian, Liaoning, China
| | - Bin Kai Wei
- Clinical Medicine (5+3), Dalian Medical University, Dalian, Liaoning, China
| | - Guangtao Dong
- Department of Emergency Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Xiujie Wang
- Department of Emergency Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
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15
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Li K, Wang D, Zhou X, Shao J, Li Y, Liu X, Zhang C, Zuo E, Shi X, Piao F, Li S. Taurine Protects Against Arsenic-Induced Apoptosis Via PI3K/Akt Pathway in Primary Cortical Neurons. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1155:747-754. [PMID: 31468445 DOI: 10.1007/978-981-13-8023-5_65] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Arsenate, a well known toxicant, can induce injury in nerve system via oxidative stress and apoptosis. This study was designed to explore the protective effect of taurine against arsenite-induced neurotoxicity and its related mechanism in primary cortical neurons. The cells were treated with arsenite with or without taurine. Twenty-Four hours later, cell viability was examined using the MTT assay. The activity of caspase-3 was analyzed and the level of Akt and p-Akt were examined by western blot. The results show that taurine treatment significantly attenuates the decrease in cell viability of arsenite-exposed primary cortical neurons. Taurine also reversed the arsenite-induced increase in caspase-3 activity. The decrease in p-Akt levels induced by arsenite exposure was prevented by taurine treatment. Thus, taurine attenuated the effect of arsenite on primary cortical neurons, an effect that may involve the Akt pathway.
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Affiliation(s)
- Kaixin Li
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, Liaoning, China
| | - Dunjia Wang
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, Liaoning, China
| | - Xueying Zhou
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, Liaoning, China
| | - Jing Shao
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, Liaoning, China
| | - Yachen Li
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, Liaoning, China
| | - Xiaohui Liu
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, Liaoning, China
| | - Cong Zhang
- Department of Nutrition and Food Safety, Dalian Medical University, Dalian, Liaoning, China
| | - Enjun Zuo
- College of Stomatology, Dalian Medical University, Dalian, Liaoning, China
| | - Xiaoxia Shi
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, Liaoning, China
| | - Fengyuan Piao
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, Liaoning, China
| | - Shuangyue Li
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, Liaoning, China
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16
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Wang J, Xiang B, Dolinsky VW, Kardami E, Cattini PA. Cardiac Fgf-16 Expression Supports Cardiomyocyte Survival and Increases Resistance to Doxorubicin Cytotoxicity. DNA Cell Biol 2018; 37:866-877. [PMID: 30230915 DOI: 10.1089/dna.2018.4362] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The fibroblast growth factor (FGF) 16 gene is preferentially expressed by cardiomyocytes after birth with levels increasing into adulthood. Null mice and isolated heart studies suggest a role for FGF-16 in cardiac maintenance and survival, including increased resistance to doxorubicin (DOX)-induced injury. A single treatment with DOX was also shown to rapidly deplete endogenous rat FGF-16 mRNA at 6 h in both adult heart and neonatal cardiomyocytes. However, the effect of DOX on rat cardiac function at the time of decreased FGF-16 gene expression and the effect of FGF-16 availability on cardiomyocyte survival, including in the context of acute DOX cytotoxicity, have not been reported. The objective was to assess the effect of acute (6 and 24 h) DOX treatment on cardiac function and the effects of FGF-16 small interfering RNA "knockdown," as well as adenoviral overexpression, in the context of acute DOX cytotoxicity, including cardiomyocyte survival and DOX efflux transport. A significant decrease in heart systolic function was detected by echocardiography in adult rats treated with 15 mg DOX/kg at 6 h; however, unlike FGF-16, there was no change in atrial natriuretic peptide transcript levels. Both systolic and diastolic dysfunctions were observed at 24 h. In addition, specific FGF-16 "knockdown" in neonatal rat cardiomyocytes results in a significant increase in cell death. Conversely, adenoviral FGF-16 overexpression was associated with a significant decrease in cardiomyocyte injury as a result of 1 μM DOX treatment. A specific increase in efflux transporter gene expression and DOX efflux was also seen, which is consistent with a reduction in DOX cytotoxicity. Finally, the increased efflux and decreased DOX-induced damage with FGF-16 overexpression were blunted by inhibition of FGF receptor signaling. These observations are consistent with FGF-16 serving as an endogenous cardiomyocyte survival factor, which may involve a positive effect on regulating efflux transport to reduce cardiotoxicity.
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Affiliation(s)
- Jie Wang
- 1 Department of Physiology & Pathophysiology, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba , Winnipeg, Canada
| | - Bo Xiang
- 2 Department of Pharmacology & Therapeutics, and Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba , Winnipeg, Canada
| | - Vernon W Dolinsky
- 2 Department of Pharmacology & Therapeutics, and Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba , Winnipeg, Canada
| | - Elissavet Kardami
- 3 Department of Human Anatomy & Cell Science, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba , Winnipeg, Canada
| | - Peter A Cattini
- 1 Department of Physiology & Pathophysiology, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba , Winnipeg, Canada
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Propofol Protects Rat Cardiomyocytes from Anthracycline-Induced Apoptosis by Regulating MicroRNA-181a In Vitro and In Vivo. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:2109216. [PMID: 29849870 PMCID: PMC5932430 DOI: 10.1155/2018/2109216] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 01/11/2018] [Indexed: 01/30/2023]
Abstract
We aimed to evaluate the cardioprotective effect and mechanism of propofol in anthracycline-induced cardiomyocyte apoptosis. We selected the rat myocardial cell line, H9c2, and primary cardiomyocytes for in vitro study. The cardiomyocytes were treated with vehicle, Adriamycin® (ADM), propofol, or a combination of ADM and propofol. The proportion of apoptotic cells and the expression of miR-181a were detected by flow cytometry and real-time PCR, respectively. Luciferase assays were performed to explore the direct target gene of miR-181a. In vivo assay, rats were randomly divided into different treatment groups. The apoptosis index was determined by TUNEL staining, and the expression of miR-181a and STAT3 in heart tissue was detected. The antiproliferative effect of ADM alone was significantly greater than that of ADM plus propofol. A significantly greater decrease in the proportion of apoptotic cells and in miR-181a expression was observed in the combination treatment group compared with that in the ADM groups in vitro and in vivo. The loss-of-function of miR-181a in H9c2 of ADM treatment resulted in increased Bcl-2 and decreased Bax. MiR-181a suppressed Bcl-2 expression through direct targeting of the Bcl-2 transcript. Propofol reduced anthracycline-induced apoptosis in cardiomyocytes via targeting miR-181a/Bcl-2, and a negative correlation between miR-181a and Bcl-2 was observed.
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18
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Wang J, Jin Y, Cattini PA. Expression of the Cardiac Maintenance and Survival Factor FGF-16 Gene Is Regulated by Csx/Nkx2.5 and Is an Early Target of Doxorubicin Cardiotoxicity. DNA Cell Biol 2016; 36:117-126. [PMID: 27929351 DOI: 10.1089/dna.2016.3507] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The fibroblast growth factor (FGF) 16 gene (Fgf-16) is preferentially expressed by neonatal cardiomyocytes after birth, with levels increasing into adulthood. Null mice and isolated heart studies suggest a role for FGF-16 in cardiac maintenance and survival, including increased resistance to doxorubicin (DOX)-induced injury. However, the effect of DOX on endogenous FGF-16 synthesis and specifically regulation of cardiac Fgf-16 expression has not been reported. Here we assess the effect of DOX on FGF-16 RNA levels and stability as well as promoter activity and use sequence analysis, knockdown, and overexpression to investigate the role of cardiac transcription factor(s) implicated in the response. Endogenous FGF-16 RNA levels were reduced >70% in 8-week-old rats treated with 15 mg DOX/kg for 6 h. This was modeled in neonatal rat cardiomyocyte cultures, where an equivalent decrease was also seen within 6 h of 1 μM DOX treatment. Six kilobases of mouse Fgf-16 upstream flanking and promoter DNA was also assessed for DOX responsiveness in transfected cardiomyocytes. A decrease in FGF-16 promoter activity was seen with only 747 base pairs containing the Fgf-16 TATA box that includes a putative and highly conserved binding site for the cardiac transcription factor Csx/Nkx2.5. There was also no effect of DOX on FGF-16 RNA stability, consistent with transcriptional control. Levels and binding of Csx/Nkx2.5 to the FGF-16 promoter were reduced with DOX treatment. Knockdown of Csx/Nkx2.5 specifically decreased endogenous FGF-16 RNA and protein levels, whereas Csx/Nkx2.5 overexpression stimulated levels, and increased resistance to the rapid DOX-induced depletion of FGF-16. These observations indicate that Fgf-16 expression is directly regulated by Csx/Nkx2.5 in neonatal cardiomyocytes, and a negative effect of DOX on Csx/Nkx2.5 and, thus, endogenous FGF-16 synthesis may contribute indirectly to its cardiotoxic effects. Targeting FGF-16 levels could, however, offer increased resistance to cardiac injury.
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Affiliation(s)
- Jie Wang
- Department of Physiology & Pathophysiology, University of Manitoba , Winnipeg, Canada
| | - Yan Jin
- Department of Physiology & Pathophysiology, University of Manitoba , Winnipeg, Canada
| | - Peter A Cattini
- Department of Physiology & Pathophysiology, University of Manitoba , Winnipeg, Canada
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