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Mangrulkar SV, Wankhede NL, Kale MB, Upaganlawar AB, Taksande BG, Umekar MJ, Anwer MK, Dailah HG, Mohan S, Behl T. Mitochondrial Dysfunction as a Signaling Target for Therapeutic Intervention in Major Neurodegenerative Disease. Neurotox Res 2023; 41:708-729. [PMID: 37162686 DOI: 10.1007/s12640-023-00647-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/29/2022] [Accepted: 04/08/2023] [Indexed: 05/11/2023]
Abstract
Neurodegenerative diseases (NDD) are incurable and the most prevalent cognitive and motor disorders of elderly. Mitochondria are essential for a wide range of cellular processes playing a pivotal role in a number of cellular functions like metabolism, intracellular signaling, apoptosis, and immunity. A plethora of evidence indicates the central role of mitochondrial functions in pathogenesis of many aging related NDD. Considering how mitochondria function in neurodegenerative diseases, oxidative stress, and mutations in mtDNA both contribute to aging. Many substantial reports suggested the involvement of numerous contributing factors including, mitochondrial dysfunction, oxidative stress, mitophagy, accumulation of somatic mtDNA mutations, compromised mitochondrial dynamics, and transport within axons in neurodegenerative disorders including Alzheimer's disease, Parkinson's disease, Huntington's disease, and Amyotrophic Lateral Sclerosis. Therapies therefore target fundamental mitochondrial processes such as energy metabolism, free-radical generation, mitochondrial biogenesis, mitochondrial redox state, mitochondrial dynamics, mitochondrial protein synthesis, mitochondrial quality control, and metabolism hold great promise to develop pharmacological based therapies in NDD. By emphasizing the most efficient pharmacological strategies to target dysfunction of mitochondria in the treatment of neurodegenerative diseases, this review serves the scientific community engaged in translational medical science by focusing on the establishment of novel, mitochondria-targeted treatment strategies.
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Affiliation(s)
| | - Nitu L Wankhede
- Smt. Shantabai Patil College of Diploma in Pharmacy, Kamptee, Nagpur, Maharashtra, India
| | - Mayur B Kale
- Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra, India
| | - Aman B Upaganlawar
- SNJB's Shriman Sureshdada Jain College of Pharmacy, Neminagar, Chandwad, Nasik, Maharashta, India
| | - Brijesh G Taksande
- Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra, India
| | - Milind J Umekar
- Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra, India
| | - Md Khalid Anwer
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj, 16278, Saudi Arabia
| | - Hamad Ghaleb Dailah
- Research and Scientific Studies Unit, College of Nursing, Jazan University, Jazan, Saudi Arabia
| | - Syam Mohan
- Substance Abuse and Toxicology Research Center, Jazan University, Jazan, Saudi Arabia
- School of Health Sciences and Technology, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India
- Centre for Transdisciplinary Research, Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Science, Saveetha University, Chennai, India
| | - Tapan Behl
- School of Health Sciences and Technology, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India.
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Liu BL, Cheng M, Hu S, Wang S, Wang L, Hu ZQ, Huang CX, Jiang H, Wu G. Effect of the Shensong Yangxin Capsule on Energy Metabolism in Angiotensin II-Induced Cardiac Hypertrophy. Chin Med J (Engl) 2018; 131:2287-2296. [PMID: 30246714 PMCID: PMC6166447 DOI: 10.4103/0366-6999.241819] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Background Shensong Yangxin Capsule (SSYX), traditional Chinese medicine, has been used to treat arrhythmias, angina, cardiac remodeling, cardiac fibrosis, and so on, but its effect on cardiac energy metabolism is still not clear. The objective of this study was to investigate the effects of SSYX on myocardium energy metabolism in angiotensin (Ang) II-induced cardiac hypertrophy. Methods We used 2 μl (10-6 mol/L) AngII to treat neonatal rat cardiomyocytes (NRCMs) for 48 h. Myocardial α-actinin staining showed that the myocardial cell volume increased. Expression of the cardiac hypertrophic marker-brain natriuretic peptide (BNP) messenger RNA (mRNA) also increased by real-time polymerase chain reaction (PCR). Therefore, it can be assumed that the model of hypertrophic cardiomyocytes was successfully constructed. Then, NRCMs were treated with 1 μl of different concentrations of SSYX (0.25, 0.5, and 1.0 μg/ml) for another 24 h. To explore the time-depend effect of SSYX on energy metabolism, 0.5 μg/ml SSYX was added into cells for 0, 6, 12, 24, and 48 h. Mitochondria was assessed by MitoTracker staining and confocal microscopy. mRNA and protein expression of mitochondrial biogenesis-related genes - Peroxisome proliferator-activated receptor-γ coactivator-1α (PGC-1α), energy balance key factor - adenosine monophosphate-activated protein kinase (AMPK), fatty acids oxidation factor - carnitine palmitoyltransferase-1 (CPT-1), and glucose oxidation factor - glucose transporter- 4 (GLUT-4) were measured by PCR and Western blotting analysis. Results With the increase in the concentration of SSYX (from 0.25 to 1.0 μg/ml), an increased mitochondrial density in AngII-induced cardiomyocytes was found compared to that of those treated with AngII only (0.25 μg/ml, 18.3300 ± 0.8895 vs. 24.4900 ± 0.9041, t = 10.240, P < 0.0001; 0.5 μg/ml, 18.3300 ± 0.8895 vs. 25.9800 ± 0.8187, t = 12.710, P < 0.0001; and 1.0 μg/ml, 18.3300 ± 0.8895 vs. 24.2900 ± 1.3120, t = 9.902, P < 0.0001; n = 5 per dosage group). SSYX also increased the mRNA and protein expression of PGC-1α (0.25 μg/ml, 0.8892 ± 0.0848 vs. 1.0970 ± 0.0994, t = 4.319, P = 0.0013; 0.5 μg/ml, 0.8892 ± 0.0848 vs. 1.2330 ± 0.0564, t = 7.150, P < 0.0001; and 1.0 μg/ml, 0.8892 ± 0.0848 vs. 1.1640 ± 0.0755, t = 5.720, P < 0.0001; n = 5 per dosage group), AMPK (0.25 μg/ml, 0.8872 ± 0.0779 vs. 1.1500 ± 0.0507, t = 7.239, P < 0.0001; 0.5 μg/ml, 0.8872 ± 0.0779 vs. 1.2280 ± 0.0623, t = 9.379, P < 0.0001; and 1.0 μg/ml, 0.8872 ± 0.0779 vs. 1.3020 ± 0.0450, t = 11.400, P < 0.0001; n = 5 per dosage group), CPT-1 (1.0 μg/ml, 0.7348 ± 0.0594 vs. 0.9880 ± 0.0851, t = 4.994, P = 0.0007, n = 5), and GLUT-4 (0.5 μg/ml, 1.5640 ± 0.0599 vs. 1.7720 ± 0.0660, t = 3.783, P = 0.0117; 1.0 μg/ml, 1.5640 ± 0.0599 vs. 2.0490 ± 0.1280, t = 8.808, P < 0.0001; n = 5 per dosage group). The effect became more obvious with the increasing concentration of SSYX. When 0.5 μg/ml SSYX was added into cells for 0, 6, 12, 24, and 48 h, the expression of AMPK (6 h, 14.6100 ± 0.6205 vs. 16.5200 ± 0.7450, t = 3.456, P = 0.0250; 12 h, 14.6100 ± 0.6205 vs. 18.3200 ± 0.9965, t = 6.720, P < 0.0001; 24 h, 14.6100 ± 0.6205 vs. 21.8800 ± 0.8208, t = 13.160, P < 0.0001; and 48 h, 14.6100 ± 0.6205 vs. 23.7400 ± 1.0970, t = 16.530, P < 0.0001; n = 5 per dosage group), PGC-1α (12 h, 11.4700 ± 0.7252 vs. 16.9000 ± 1.0150, t = 7.910, P < 0.0001; 24 h, 11.4700 ± 0.7252 vs. 20.8800 ± 1.2340, t = 13.710, P < 0.0001; and 48 h, 11.4700 ± 0.7252 vs. 22.0300 ± 1.4180, t = 15.390; n = 5 per dosage group), CPT-1 (24 h, 15.1600 ± 1.0960 vs. 18.5800 ± 0.9049, t = 6.048, P < 0.0001, n = 5), and GLUT-4 (6 h, 10.2100 ± 0.9485 vs. 12.9700 ± 0.8221, t = 4.763, P = 0.0012; 12 h, 10.2100 ± 0.9485 vs. 16.9100 ± 0.8481, t = 11.590, P < 0.0001; 24 h, 10.2100 ± 0.9485 vs. 19.0900 ± 0.9797, t = 15.360, P < 0.0001; and 48 h, 10.2100 ± 0.9485 vs. 14.1900 ± 0.9611, t = 6.877, P < 0.0001; n = 5 per dosage group) mRNA and protein increased gradually with the prolongation of drug action time. Conclusions SSYX could increase myocardial energy metabolism in AngII-induced cardiac hypertrophy. Therefore, SSYX might be considered to be an alternative therapeutic remedy for myocardial hypertrophy.
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Affiliation(s)
- Bei-Lei Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Hubei Key Laboratory of Cardiology, Wuhan, Hubei 430060, China
| | - Mian Cheng
- Department of Geriatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China
| | - Shan Hu
- Department of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Hubei Key Laboratory of Cardiology, Wuhan, Hubei 430060, China
| | - Shun Wang
- Department of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Hubei Key Laboratory of Cardiology, Wuhan, Hubei 430060, China
| | - Le Wang
- Department of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Hubei Key Laboratory of Cardiology, Wuhan, Hubei 430060, China
| | - Zheng-Qing Hu
- Department of Cardiology, Ezhou Hospital, Renmin Hospital of Wuhan University, Ezhou, Hubei 436000, China
| | - Cong-Xin Huang
- Department of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Hubei Key Laboratory of Cardiology, Wuhan, Hubei 430060, China
| | - Hong Jiang
- Department of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Hubei Key Laboratory of Cardiology, Wuhan, Hubei 430060, China
| | - Gang Wu
- Department of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Hubei Key Laboratory of Cardiology, Wuhan, Hubei 430060; Department of Cardiology, Ezhou Hospital, Renmin Hospital of Wuhan University, Ezhou, Hubei 436000, China
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Chen X, Li S, Ke Y, Wu S, Huang T, Hu W, Fu H, Guo X. KLF16 suppresses human glioma cell proliferation and tumourigenicity by targeting TFAM. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2018; 46:608-615. [PMID: 29374989 DOI: 10.1080/21691401.2018.1431654] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Xiangrong Chen
- Department of Neurosurgery, The Second Affiliated Hospital, Fujian Medical University, Quanzhou, PR China
| | - Shun Li
- Department of Neurosurgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, PR China
| | - Yumin Ke
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital, Fujian Medical University, Quanzhou, PR China
| | - Shukai Wu
- Department of Neurosurgery, The Second Affiliated Hospital, Fujian Medical University, Quanzhou, PR China
| | - Tianzao Huang
- Department of Neurosurgery, The Second Affiliated Hospital, Fujian Medical University, Quanzhou, PR China
| | - Weipeng Hu
- Department of Neurosurgery, The Second Affiliated Hospital, Fujian Medical University, Quanzhou, PR China
| | - Huangde Fu
- Department of Neurosurgery, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, PR China
| | - Xieli Guo
- Department of Neurosurgery, The Jinjiang Municipal Hospital, Quanzhou, PR China
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Mitochondria Biogenesis and Bioenergetics Gene Profiles in Isogenic Prostate Cells with Different Malignant Phenotypes. BIOMED RESEARCH INTERNATIONAL 2016; 2016:1785201. [PMID: 27478826 PMCID: PMC4958422 DOI: 10.1155/2016/1785201] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Accepted: 06/06/2016] [Indexed: 12/28/2022]
Abstract
Background. The most significant hallmarks of cancer are directly or indirectly linked to deregulated mitochondria. In this study, we sought to profile mitochondria associated genes in isogenic prostate cell lines with different tumorigenic phenotypes from the same patient. Results. Two isogenic human prostate cell lines RC77N/E (nonmalignant cells) and RC77T/E (malignant cells) were profiled for expression of mitochondrial biogenesis and energy metabolism genes by qRT-PCR using the Human Mitochondria and the Mitochondrial Energy Metabolism RT2 PCR arrays. Forty-seven genes were differentially regulated between the two cell lines. The interaction and regulatory networks of these genes were generated by Ingenuity Pathway Analysis. UCP2 was the most significantly upregulated gene in primary adenocarcinoma cells in the current study. The overexpression of UCP2 upon malignant transformation was further validated using human prostatectomy clinical specimens. Conclusions. This study demonstrates the overexpression of multiple genes that are involved in mitochondria biogenesis, bioenergetics, and modulation of apoptosis. These genes may play a role in malignant transformation and disease progression. The upregulation of some of these genes in clinical samples indicates that some of the differentially transcribed genes could be the potential targets for therapeutic interventions.
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Wilderman A, Guo Y, Divakaruni AS, Perkins G, Zhang L, Murphy AN, Taylor SS, Insel PA. Proteomic and Metabolic Analyses of S49 Lymphoma Cells Reveal Novel Regulation of Mitochondria by cAMP and Protein Kinase A. J Biol Chem 2015. [PMID: 26203188 DOI: 10.1074/jbc.m115.658153] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Cyclic AMP (cAMP), acting via protein kinase A (PKA), regulates many cellular responses, but the role of mitochondria in such responses is poorly understood. To define such roles, we used quantitative proteomic analysis of mitochondria-enriched fractions and performed functional and morphologic studies of wild-type (WT) and kin(-) (PKA-null) murine S49 lymphoma cells. Basally, 75 proteins significantly differed in abundance between WT and kin(-) S49 cells. WT, but not kin(-), S49 cells incubated with the cAMP analog 8-(4-chlorophenylthio)adenosine cAMP (CPT-cAMP) for 16 h have (a) increased expression of mitochondria-related genes and proteins, including ones in pathways of branched-chain amino acid and fatty acid metabolism and (b) increased maximal capacity of respiration on branched-chain keto acids and fatty acids. CPT-cAMP also regulates the cellular rate of ATP-utilization, as the rates of both ATP-linked respiration and proton efflux are decreased in WT but not kin(-) cells. CPT-cAMP protected WT S49 cells from glucose or glutamine deprivation, In contrast, CPT-cAMP did not protect kin(-) cells or WT cells treated with the PKA inhibitor H89 from glutamine deprivation. Under basal conditions, the mitochondrial structure of WT and kin(-) S49 cells is similar. Treatment with CPT-cAMP produced apoptotic changes (i.e. decreased mitochondrial density and size and loss of cristae) in WT, but not kin(-) cells. Together, these findings show that cAMP acts via PKA to regulate multiple aspects of mitochondrial function and structure. Mitochondrial perturbation thus likely contributes to cAMP/PKA-mediated cellular responses.
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Affiliation(s)
- Andrea Wilderman
- From the Department of Pharmacology, University of California San Diego, La Jolla, California 92093-0626
| | - Yurong Guo
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, California 92093-0654
| | - Ajit S Divakaruni
- From the Department of Pharmacology, University of California San Diego, La Jolla, California 92093-0626
| | - Guy Perkins
- National Center for Microscopy and Imaging Research, University of California San Diego, La Jolla, California 92093-0608, and
| | - Lingzhi Zhang
- From the Department of Pharmacology, University of California San Diego, La Jolla, California 92093-0626
| | - Anne N Murphy
- From the Department of Pharmacology, University of California San Diego, La Jolla, California 92093-0626
| | - Susan S Taylor
- From the Department of Pharmacology, University of California San Diego, La Jolla, California 92093-0626, Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, California 92093-0654
| | - Paul A Insel
- From the Department of Pharmacology, University of California San Diego, La Jolla, California 92093-0626, Department of Medicine, University of California San Diego, La Jolla, California 92093
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Abstract
SIGNIFICANCE The molecular mechanism of aging is still vigorously debated, although a general consensus exists that mitochondria are significantly involved in this process. However, the previously postulated role of mitochondrial-derived reactive oxygen species (ROS) as the damaging agents inducing functional loss in aging has fallen out of favor in the recent past. In this review, we critically examine the role of ROS in aging in the light of recent advances on the relationship between mitochondrial structure and function. RECENT ADVANCES The functional mitochondrial respiratory chain is now recognized as a reflection of the dynamic association of respiratory complexes in the form of supercomplexes (SCs). Besides providing kinetic advantage (channeling), SCs control ROS generation by the respiratory chain, thus providing a means to regulate ROS levels in the cell. Depending on their concentration, these ROS are either physiological signals essential for the life of the cell or toxic species that damage cell structure and functions. CRITICAL ISSUES We propose that under physiological conditions the dynamic nature of SCs reversibly controls the generation of ROS as signals involved in mitochondrial-nuclear communication. During aging, there is a progressive loss of control of ROS generation so that their production is irreversibly enhanced, inducing a vicious circle in which signaling is altered and structural damage takes place. FUTURE DIRECTIONS A better understanding on the forces affecting SC association would allow the manipulation of ROS generation, directing these species to their physiological signaling role.
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Affiliation(s)
- Maria Luisa Genova
- Dipartimento di Scienze Biomediche e Neuromotorie, Alma Mater Studiorum-Università di Bologna , Bologna, Italy
| | - Giorgio Lenaz
- Dipartimento di Scienze Biomediche e Neuromotorie, Alma Mater Studiorum-Università di Bologna , Bologna, Italy
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Boyle SH, Matson WR, Velazquez EJ, Samad Z, Williams RB, Sharma S, Thomas B, Wilson JL, O'Connor C, Jiang W. Metabolomics analysis reveals insights into biochemical mechanisms of mental stress-induced left ventricular dysfunction. Metabolomics 2015; 11:571-582. [PMID: 25983674 PMCID: PMC4431771 DOI: 10.1007/s11306-014-0718-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Mental stress induced left ventricular dysfunction (LVD) has been associated with a greater risk of adverse events in coronary heart disease (CHD) patients independent of conventional risk indicators. The underlying biochemical mechanisms of this cardiovascular condition are poorly understood. Our objective was to use metabolomics technology to identify biochemical changes that co-occur with mental stress-induced LVD in patients with clinically stable CHD. Participants were adult CHD patients who were recruited for mental stress-induced myocardial ischemia screening. For this study, we randomly selected 30 patients representing the extremes of the mental stress-induced left ventricular ejection fraction (LVEF) change distribution; 15 who showed LVD (i.e. LVEF reduction ≥5) and 15 who showed a normal left ventricular response (NLVR; i.e. a LVEF increase of ≥5) to three mental stressors. An electrochemistry based metabolomics platform was used to profile pre- and post-stress serum samples yielding data for 22 known compounds, primarily within the tyrosine, tryptophan, purine and methionine pathways. There were significant stress-induced changes in several compounds. A comparison between the NLVR and LVD groups showed significant effects for kynurenine (p = .036, N-acetylserotonin (p = .054), uric acid (p = .015), tyrosine (p = .019) and a trend for methionine (p = .065); the NLVR group showed a significantly greater stress-induced reduction in all of those compounds compared to the LVD group. Many of these biochemicals have been implicated in other stress-related phenomena and are plausible candidates for mechanisms underlying LVD in response to mental stress.
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Affiliation(s)
- Stephen H. Boyle
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Box 3366, Durham, NC 27710, USA
| | - Wayne R. Matson
- Department of Systems Biochemistry, Counterpoint Health Solutions Inc, Bedford, MA, USA
| | - Eric J. Velazquez
- Department of Medicine, Duke University Medical Center, Durham, NC, USA
| | - Zainab Samad
- Department of Medicine, Duke University Medical Center, Durham, NC, USA
| | - Redford B. Williams
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Box 3366, Durham, NC 27710, USA
| | - Swati Sharma
- Department of Systems Biochemistry, Counterpoint Health Solutions Inc, Bedford, MA, USA
| | - Beena Thomas
- Department of Systems Biochemistry, Counterpoint Health Solutions Inc, Bedford, MA, USA
| | - Jennifer L. Wilson
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Box 3366, Durham, NC 27710, USA
| | | | - Wei Jiang
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Box 3366, Durham, NC 27710, USA, Department of Medicine, Duke University Medical Center, Durham, NC, USA
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Mifude C, Kaseda K. PDGF-AA-induced filamentous mitochondria benefit dermal papilla cells in cellular migration. Int J Cosmet Sci 2015; 37:266-71. [DOI: 10.1111/ics.12190] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2014] [Accepted: 11/26/2014] [Indexed: 12/13/2022]
Affiliation(s)
- C. Mifude
- Saravio Central Institute; Saravio Cosmetics Ltd.; Beppu Japan
| | - K. Kaseda
- Saravio Central Institute; Saravio Cosmetics Ltd.; Beppu Japan
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Stachowicz A, Olszanecki R, Suski M, Wiśniewska A, Totoń-Żurańska J, Madej J, Jawień J, Białas M, Okoń K, Gajda M, Głombik K, Basta-Kaim A, Korbut R. Mitochondrial aldehyde dehydrogenase activation by Alda-1 inhibits atherosclerosis and attenuates hepatic steatosis in apolipoprotein E-knockout mice. J Am Heart Assoc 2014; 3:e001329. [PMID: 25392542 PMCID: PMC4338726 DOI: 10.1161/jaha.114.001329] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Background Mitochondrial dysfunction has been shown to play an important role in the development of atherosclerosis and nonalcoholic fatty liver disease (NAFLD). Mitochondrial aldehyde dehydrogenase (ALDH2), an enzyme responsible for the detoxification of reactive aldehydes, is considered to exert protective function in mitochondria. We investigated the influence of Alda‐1, an activator of ALDH2, on atherogenesis and on the liver steatosis in apolipoprotein E knockout (apoE−/−) mice. Methods and Results Alda‐1 caused decrease of atherosclerotic lesions approximately 25% as estimated by “en face” and “cross‐section” methods without influence on plasma lipid profile, atherosclerosis‐related markers of inflammation, and macrophage and smooth muscle content in the plaques. Plaque nitrotyrosine was not changed upon Alda‐1 treatment, and there were no changes in aortic mRNA levels of factors involved in antioxidative defense, regulation of apoptosis, mitogenesis, and autophagy. Hematoxylin/eosin staining showed decrease of steatotic changes in liver of Alda‐1‐treated apoE−/− mice. Alda‐1 attenuated formation of 4‐hydroxy‐2‐nonenal (4‐HNE) protein adducts and decreased triglyceride content in liver tissue. Two‐dimensional electrophoresis coupled with mass spectrometry identified 20 differentially expressed mitochondrial proteins upon Alda‐1 treatment in liver of apoE−/− mice, mostly proteins related to metabolism and oxidative stress. The most up‐regulated were the proteins that participated in beta oxidation of fatty acids. Conclusions Collectively, Alda‐1 inhibited atherosclerosis and attenuated NAFLD in apoE−/− mice. The pattern of changes suggests a beneficial effect of Alda‐1 in NAFLD; however, the exact liver functional consequences of the revealed alterations as well as the mechanism(s) of antiatherosclerotic Alda‐1 action require further investigation.
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Affiliation(s)
- Aneta Stachowicz
- Department of Pharmacology, Jagiellonian University Medical College, Krakow, Poland (A.S., R.O., M.S., A.W., J.T., M., J.J., R.K.)
| | - Rafał Olszanecki
- Department of Pharmacology, Jagiellonian University Medical College, Krakow, Poland (A.S., R.O., M.S., A.W., J.T., M., J.J., R.K.)
| | - Maciej Suski
- Department of Pharmacology, Jagiellonian University Medical College, Krakow, Poland (A.S., R.O., M.S., A.W., J.T., M., J.J., R.K.)
| | - Anna Wiśniewska
- Department of Pharmacology, Jagiellonian University Medical College, Krakow, Poland (A.S., R.O., M.S., A.W., J.T., M., J.J., R.K.)
| | - Justyna Totoń-Żurańska
- Department of Pharmacology, Jagiellonian University Medical College, Krakow, Poland (A.S., R.O., M.S., A.W., J.T., M., J.J., R.K.)
| | - Józef Madej
- Department of Pharmacology, Jagiellonian University Medical College, Krakow, Poland (A.S., R.O., M.S., A.W., J.T., M., J.J., R.K.)
| | - Jacek Jawień
- Department of Pharmacology, Jagiellonian University Medical College, Krakow, Poland (A.S., R.O., M.S., A.W., J.T., M., J.J., R.K.)
| | - Magdalena Białas
- Department of Pathomorphology, Jagiellonian University Medical College, Krakow, Poland (M.B., K.O.)
| | - Krzysztof Okoń
- Department of Pathomorphology, Jagiellonian University Medical College, Krakow, Poland (M.B., K.O.)
| | - Mariusz Gajda
- Department of Histology, Jagiellonian University Medical College, Krakow, Poland (M.G.)
| | - Katarzyna Głombik
- Department of Experimental Neuroendocrinology, Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland (K., A.B.K.)
| | - Agnieszka Basta-Kaim
- Department of Experimental Neuroendocrinology, Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland (K., A.B.K.)
| | - Ryszard Korbut
- Department of Pharmacology, Jagiellonian University Medical College, Krakow, Poland (A.S., R.O., M.S., A.W., J.T., M., J.J., R.K.)
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Jeong SH, Kim HK, Song IS, Noh SJ, Marquez J, Ko KS, Rhee BD, Kim N, Mishchenko NP, Fedoreyev SA, Stonik VA, Han J. Echinochrome a increases mitochondrial mass and function by modulating mitochondrial biogenesis regulatory genes. Mar Drugs 2014; 12:4602-15. [PMID: 25196935 PMCID: PMC4145333 DOI: 10.3390/md12084602] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Revised: 08/03/2014] [Accepted: 08/05/2014] [Indexed: 01/28/2023] Open
Abstract
Echinochrome A (Ech A) is a natural pigment from sea urchins that has been reported to have antioxidant properties and a cardio protective effect against ischemia reperfusion injury. In this study, we ascertained whether Ech A enhances the mitochondrial biogenesis and oxidative phosphorylation in rat cardio myoblast H9c2 cells. To study the effects of Ech A on mitochondrial biogenesis, we measured mitochondrial mass, level of oxidative phosphorylation, and mitochondrial biogenesis regulatory gene expression. Ech A treatment did not induce cytotoxicity. However, Ech A treatment enhanced oxygen consumption rate and mitochondrial ATP level. Likewise, Ech A treatment increased mitochondrial contents in H9c2 cells. Furthermore, Ech A treatment up-regulated biogenesis of regulatory transcription genes, including proliferator-activated receptor gamma co-activator (PGC)-1α, estrogen-related receptor (ERR)-α, peroxisome proliferator-activator receptor (PPAR)-γ, and nuclear respiratory factor (NRF)-1 and such mitochondrial transcription regulatory genes as mitochondrial transcriptional factor A (TFAM), mitochondrial transcription factor B2 (TFB2M), mitochondrial DNA direct polymerase (POLMRT), single strand binding protein (SSBP) and Tu translation elongation factor (TUFM). In conclusion, these data suggest that Ech A is a potentiated marine drug which enhances mitochondrial biogenesis.
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Affiliation(s)
- Seung Hun Jeong
- Cardiovascular and Metabolic Disease Center (CMDC), National Research Laboratory for Mitochondrial Signaling, Inje University, Busan 614-735, Korea.
| | - Hyoung Kyu Kim
- Cardiovascular and Metabolic Disease Center (CMDC), National Research Laboratory for Mitochondrial Signaling, Inje University, Busan 614-735, Korea.
| | - In-Sung Song
- Cardiovascular and Metabolic Disease Center (CMDC), National Research Laboratory for Mitochondrial Signaling, Inje University, Busan 614-735, Korea.
| | - Su Jin Noh
- Department of Health Sciences and Technology, Graduate School of Inje University, Busan 614-735, Korea.
| | - Jubert Marquez
- Department of Health Sciences and Technology, Graduate School of Inje University, Busan 614-735, Korea.
| | - Kyung Soo Ko
- Cardiovascular and Metabolic Disease Center (CMDC), National Research Laboratory for Mitochondrial Signaling, Inje University, Busan 614-735, Korea.
| | - Byoung Doo Rhee
- Cardiovascular and Metabolic Disease Center (CMDC), National Research Laboratory for Mitochondrial Signaling, Inje University, Busan 614-735, Korea.
| | - Nari Kim
- Cardiovascular and Metabolic Disease Center (CMDC), National Research Laboratory for Mitochondrial Signaling, Inje University, Busan 614-735, Korea.
| | - Natalia P Mishchenko
- George B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Science, Prospect 100 let Vladivostoku, 159, Vladivostok 690022, Russia.
| | - Sergey A Fedoreyev
- George B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Science, Prospect 100 let Vladivostoku, 159, Vladivostok 690022, Russia.
| | - Valentin A Stonik
- George B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Science, Prospect 100 let Vladivostoku, 159, Vladivostok 690022, Russia.
| | - Jin Han
- Cardiovascular and Metabolic Disease Center (CMDC), National Research Laboratory for Mitochondrial Signaling, Inje University, Busan 614-735, Korea.
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11
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Amado FM, Barros A, Azevedo AL, Vitorino R, Ferreira R. An integrated perspective and functional impact of the mitochondrial acetylome. Expert Rev Proteomics 2014; 11:383-94. [PMID: 24661243 DOI: 10.1586/14789450.2014.899470] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Growing evidence suggests that a range of reversible protein post-translational modifications such as acetylation regulates mitochondria signalling, impacting cellular homeostasis. However, the extent of this type of regulation in the control of mitochondria functionality is just beginning to be discovered, aided by the availability of high-resolution mass spectrometers and bioinformatic tools. Data mining from literature on protein acetylation profiling focused on mitochondria isolated from tissues retrieved more than 1395 distinct proteins, corresponding to more than 4858 acetylation sites. ClueGo analysis of identified proteins highlighted oxidative phosphorylation, tricarboxylic acid cycle, fatty acid oxidation and amino acid metabolism as the biological processes more prone to regulation through acetylation. This review also examines the physiological relevance of protein acetylation on the molecular pathways harbored in mitochondria under distinct pathophysiological conditions as caloric restriction and alcohol-induced liver damage. This integrative perspective will certainly help to envisage future studies targeting the regulation of mitochondrial functionality.
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Affiliation(s)
- Francisco M Amado
- School of Health Sciences, QOPNA, University of Aveiro, Aveiro, Portugal
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12
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Abstract
Mitochondrial (mt) dysfunction in gliomas has been linked to abnormalities of mt energy metabolism, marked by a metabolic shift from oxidative phosphorylation to glycolysis ("Warburg effect"), disturbances in mt membrane potential regulation and apoptotic signaling, as well as to somatic mutations involving the Krebs cycle enzyme isocitrate dehydrogenase. Evolving biological concepts with potential therapeutic implications include interaction between microtubule proteins and mitochondria (mt) in the control of closure of voltage-dependent anion channels and in the regulation of mt dynamics and the mt-endoplasmic reticulum network. The cytoskeletal protein βIII-tubulin, which is overexpressed in malignant gliomas, has emerged as a prosurvival factor associated in part with mt and also as a marker of chemoresistance. Mt-targeted therapeutic strategies that are discussed include the following: (1) metabolic modulation with emphasis on dichloroacetate, a pyruvate dehydrogenase kinase inhibitor; (2) tumor cell death via apoptosis induced by tricyclic antidepressants, microtubule-modulating drugs, and small molecules or compounds capable of inflicting reactive oxygen species-dependent tumor cell death; and (3) pretreatment mt priming and mt-targeted prodrug cancer therapy.
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13
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Jiang J, Yang J, Wang Z, Wu G, Liu F. TFAM is directly regulated by miR-23b in glioma. Oncol Rep 2013; 30:2105-10. [PMID: 24002170 DOI: 10.3892/or.2013.2712] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Accepted: 07/15/2013] [Indexed: 11/06/2022] Open
Abstract
Mitochondrial transcription factor A (TFAM), a high-mobility group (HMG) protein, plays a central role in mitochondrial DNA (mtDNA) replication, transcription and inheritance. It has been shown that TFAM is associated with tumorigenesis. However, little is known regarding the posttranscriptional regulation of TFAM in glioma. In the present study, we found that the protein levels of TFAM were gradually increased, while the expression of miRNA-23b was gradually downregulated with the malignancy of glioma. Luciferase assay data demonstrated that miRNA-23b directly regulated TFAM. Furthermore, forced overexpression of miRNA-23b in U251 cells markedly inhibited the proliferation, cell cycle progression, migration and colony formation, while overexpression of TFAM significantly enhanced these biological processes. We further examined the related molecular mechanism, and found that the activity of the PI3K/Akt signaling pathway, critical for cell proliferation and migration, was suppressed in miRNA-23b-overexpressing U251 cells but was upregulated in TFAM-overexpressing cells. In addition, the expression levels of invasion-related MMP2 and MMP9 were decreased in miRNA-23b-overexpressing U251 cells but were increased in TFAM-overexpressing cells. Taken together, the present study provides a new regulatory mechanism as well as a promising therapy target for glioma.
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Affiliation(s)
- Jiaode Jiang
- Department of Neurosurgery, Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, P.R. China
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