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Shackebaei D, Hesari M, Gorgani S, Vafaeipour Z, Salaramoli S, Yarmohammadi F. The Role of mTOR in the Doxorubicin-Induced Cardiotoxicity: A Systematic Review. Cell Biochem Biophys 2024:10.1007/s12013-024-01475-7. [PMID: 39102090 DOI: 10.1007/s12013-024-01475-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/28/2024] [Indexed: 08/06/2024]
Abstract
Doxorubicin (DOX) is a chemotherapy drug known to induce metabolic changes in the heart, leading to potential heart toxicity. These changes impact various cellular functions and pathways such as disrupting the mechanistic target of rapamycin (mTOR) signaling pathway. The study aimed to investigate the effect of DOX on the mTOR pathway through an in vivo systematic review. Databases were searched on September 11, 2023. We finally included 30 in vivo studies that examined the mTOR expression in cardiac tissue samples. The present study has shown that the PI3K/AKT/mTOR, the AMPK/mTOR, the p53/mTOR signaling, the mTOR/TFEB pathway, the p38 MAPK/mTOR, the sestrins/mTOR, and the KLF15/eNOS/mTORC1 signaling pathways play a crucial role in the development of DOX-induced cardiotoxicity. Inhibition or dysregulation of these pathways can lead to increased oxidative stress, apoptosis, and other adverse effects on the heart. Strategies that target and modulate the mTOR pathways, such as the use of mTOR inhibitors like rapamycin, have the potential to enhance the anticancer effects of DOX while also mitigating its cardiotoxic side effects.
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Affiliation(s)
- Dareuosh Shackebaei
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mahvash Hesari
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Sara Gorgani
- Tissue Engineering Research Group (TERG), Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Zeinab Vafaeipour
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sanaz Salaramoli
- Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Fatemeh Yarmohammadi
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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2
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Corsetti G, Pasini E, Scarabelli TM, Romano C, Singh A, Scarabelli CC, Dioguardi FS. Importance of Energy, Dietary Protein Sources, and Amino Acid Composition in the Regulation of Metabolism: An Indissoluble Dynamic Combination for Life. Nutrients 2024; 16:2417. [PMID: 39125298 PMCID: PMC11313897 DOI: 10.3390/nu16152417] [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: 06/07/2024] [Revised: 07/22/2024] [Accepted: 07/23/2024] [Indexed: 08/12/2024] Open
Abstract
PURPOSE This paper aims to present a unique perspective that emphasizes the intricate interplay between energy, dietary proteins, and amino acid composition, underscoring their mutual dependence for health-related considerations. Energy and protein synthesis are fundamental to biological processes, crucial for the sustenance of life and the growth of organisms. METHODS AND RESULTS We explore the intricate relationship between energy metabolism, protein synthesis, regulatory mechanisms, protein sources, amino acid availability, and autophagy in order to elucidate how these elements collectively maintain cellular homeostasis. We underscore the vital role this dynamic interplay has in preserving cell life. CONCLUSIONS A deeper understanding of the link between energy and protein synthesis is essential to comprehend fundamental cellular processes. This insight could have a wide-ranging impact in several medical fields, such as nutrition, metabolism, and disease management.
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Affiliation(s)
- Giovanni Corsetti
- Division of Human Anatomy and Physiopathology, Department of Clinical and Experimental Sciences, University of Brescia, 25023 Brescia, Italy;
| | - Evasio Pasini
- Italian Association of Functional Medicine, 20855 Lesmo, Italy;
- Department of Clinical and Experimental Sciences, University of Brescia, 25023 Brescia, Italy
| | | | - Claudia Romano
- Division of Human Anatomy and Physiopathology, Department of Clinical and Experimental Sciences, University of Brescia, 25023 Brescia, Italy;
| | - Arashpreet Singh
- School of Osteopathic Medicine, Campbell University, Lillington, NC 27546, USA;
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Corsetti G, Romano C, Codenotti S, Giugno L, Pasini E, Fanzani A, Scarabelli T, Dioguardi FS. Intake of Special Amino Acids Mixture Leads to Blunted Murine Colon Cancer Growth In Vitro and In Vivo. Cells 2024; 13:1210. [PMID: 39056792 PMCID: PMC11274386 DOI: 10.3390/cells13141210] [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: 05/09/2024] [Revised: 07/13/2024] [Accepted: 07/15/2024] [Indexed: 07/28/2024] Open
Abstract
Cancer cells require substantial amounts of energy and substrates for their metabolic hyperactivity, enabling the synthesis of new cells at the expense of healthy ones. Preliminary in vitro data suggest that a mix of free essential amino acids (EAA-mix) can promote cancer cell apoptosis by enhancing autophagy. This study aimed to confirm, both in vitro and in vivo, whether EAA intake could influence the development of colon cancer in mice. We investigated changes in cancer proliferation in CT26 cells treated with EAA-mix and in mice fed with EAA-rich modified diets (EAARD) as compared to those on a standard laboratory diet (StD). CT26 cells were injected subcutaneously (s.c.) or intraperitoneally (i.p.). After 21 days, tumors were removed and measured. In vitro data corroborated that EAA-mix impairs cancer growth by inducing apoptosis. In vivo data revealed that mice on StD developed significantly larger (s.c.) and more numerous (i.p.) cancers than those on EAARD. EAA administration appears to influence cancer cell survival with notable antiproliferative properties.
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Affiliation(s)
- Giovanni Corsetti
- Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy; (C.R.); (L.G.); (E.P.)
| | - Claudia Romano
- Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy; (C.R.); (L.G.); (E.P.)
| | - Silvia Codenotti
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (S.C.); (A.F.)
| | - Lorena Giugno
- Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy; (C.R.); (L.G.); (E.P.)
| | - Evasio Pasini
- Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy; (C.R.); (L.G.); (E.P.)
- Italian Association of Functional Medicine, 20855 Lesmo, Italy
| | - Alessandro Fanzani
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (S.C.); (A.F.)
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Szponar J, Niziński P, Dudka J, Kasprzak-Drozd K, Oniszczuk A. Natural Products for Preventing and Managing Anthracycline-Induced Cardiotoxicity: A Comprehensive Review. Cells 2024; 13:1151. [PMID: 38995002 PMCID: PMC11240786 DOI: 10.3390/cells13131151] [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: 05/11/2024] [Revised: 07/03/2024] [Accepted: 07/04/2024] [Indexed: 07/13/2024] Open
Abstract
Doxorubicin (DOX) is an anthracycline anticancer agent that is highly effective in the treatment of solid tumors. Given the multiplicity of mechanisms involved in doxorubicin-induced cardiotoxicity, it is difficult to identify a precise molecular target for toxicity. The findings of a literature review suggest that natural products may offer cardioprotective benefits against doxorubicin-induced cardiotoxicity, both in vitro and in vivo. However, further confirmatory studies are required to substantiate this claim. It is of the utmost importance to direct greater attention towards the intricate signaling networks that are of paramount importance for the survival and dysfunction of cardiomyocytes. Notwithstanding encouraging progress made in preclinical studies of natural products for the prevention of DOX-induced cardiotoxicity, these have not yet been translated for clinical use. One of the most significant obstacles hindering the development of cardioprotective adjuvants based on natural products is the lack of adequate bioavailability in humans. This review presents an overview of current knowledge on doxorubicin DOX-induced cardiotoxicity, with a focus on the potential benefits of natural compounds and herbal preparations in preventing this adverse effect. As literature search engines, the browsers in the Scopus, PubMed, Web of Science databases and the ClinicalTrials.gov register were used.
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Affiliation(s)
- Jarosław Szponar
- Clinical Department of Toxicology and Cardiology, Toxicology Clinic, Stefan Wyszyński Regional Specialist Hospital, Medical University of Lublin, 20-718 Lublin, Poland;
| | - Przemysław Niziński
- Department of Pharmacology, Medical University of Lublin, Radziwiłłowska 11 Street, 20-080 Lublin, Poland;
| | - Jarosław Dudka
- Chair and Department of Toxicology, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland;
| | - Kamila Kasprzak-Drozd
- Department of Inorganic Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland;
| | - Anna Oniszczuk
- Department of Inorganic Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland;
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George N, Joshi MB, Satyamoorthy K. DNA damage-induced senescence is associated with metabolomic reprogramming in breast cancer cells. Biochimie 2024; 216:71-82. [PMID: 37758157 DOI: 10.1016/j.biochi.2023.09.021] [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: 01/09/2023] [Revised: 08/28/2023] [Accepted: 09/21/2023] [Indexed: 10/02/2023]
Abstract
Senescence due to exogenous and endogenous stresses triggers metabolic reprogramming and is associated with many pathologies, including cancer. In solid tumors, senescence promotes tumorigenesis, facilitates relapse, and changes the outcomes of anti-cancer therapies. Hence, cellular and molecular mechanisms regulating senescent pathways make attractive therapeutic targets. Cancer cells undergo metabolic reprogramming to sustain the growth-arrested state of senescence. In the present study, we aimed to understand the metabolic reprogramming in MCF-7 breast tumor cells in response to two independent inducers of DNA damage-mediated senescence, including ionizing radiation and doxorubicin. Increased DNA double-strand breaks, as demonstrated by γH2AX staining, showed a senescence phenotype, with expression of senescence-associated β-galactosidase accompanied by the upregulation of p21 and p16 in both groups. Further, untargeted analysis of the senescence-related extracellular metabolome profile of MCF-7 cells showed significantly reduced concentrations of carnitine and pantothenic acid and increased levels of S-adenosylhomocysteine in doxorubicin-treated cells, indicating the accumulation of ROS mediated DNA damage and impaired mitochondrial membrane potential. Similarly, a significant decline in the creatine level was observed in radiation-exposed cells, suggesting an increase in oxidative stress-mediated DNA damage. Our study, therefore, provides key effectors of the metabolic changes in doxorubicin and radiation-induced early senescence in MCF-7 breast cancer cells.
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Affiliation(s)
- Neena George
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576 104, India.
| | - Manjunath B Joshi
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576 104, India.
| | - Kapaettu Satyamoorthy
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576 104, India; Shri Dharmasthala Manjunatheshwara (SDM) University, SDM College of Medical Sciences and Hospital, Manjushree Nagar, Sattur, Dharwad, 580009, Karnataka, India.
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Ragni M, Canciani L, Spataro L, Ruocco C, Valerio A, Nisoli E. An amino acid mixture, enriched with Krebs cycle intermediates, enhances extracellular matrix gene expression in cultured human fibroblasts. Amino Acids 2023; 55:1679-1685. [PMID: 37768394 PMCID: PMC10689548 DOI: 10.1007/s00726-023-03340-y] [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: 07/04/2023] [Accepted: 09/20/2023] [Indexed: 09/29/2023]
Abstract
In the human body, the skin is one of the organs most affected by the aging process. Nutritional approaches aimed to counteract the age-induced decline of extracellular matrix (ECM) deposition could be a valuable tool to decrease the degenerative processes underlying skin aging. Here, we investigated the ability of a six-amino acid plus hyaluronic acid (6AAH) formulation enriched with tricarboxylic acid (TCA) intermediates to stimulate ECM gene expression. To this aim, human BJ fibroblasts were treated with 6AAH alone or plus succinate or malate alone or succinate plus malate (6AAHSM), and mRNA levels of several ECM markers were evaluated. 6AAHSM increased the expression of all the ECM markers significantly above 6AAH alone or plus only succinate or malate. Furthermore, in an in vitro oxidative damage model, 6AAHSM blunted the hydrogen peroxide-induced decline in ECM gene expression. Our data suggest that feeding cells with 6AAH enriched with TCAs could efficiently be employed as a non-pharmacological approach for counteracting skin aging.
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Affiliation(s)
- Maurizio Ragni
- Center for Study and Research On Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, Via Vanvitelli, 32, 20129, Milan, Italy.
| | - Luca Canciani
- Center for Study and Research On Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, Via Vanvitelli, 32, 20129, Milan, Italy
| | - Letizia Spataro
- Center for Study and Research On Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, Via Vanvitelli, 32, 20129, Milan, Italy
| | - Chiara Ruocco
- Center for Study and Research On Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, Via Vanvitelli, 32, 20129, Milan, Italy
| | - Alessandra Valerio
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa, 11, 25123, Brescia, Italy
| | - Enzo Nisoli
- Center for Study and Research On Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, Via Vanvitelli, 32, 20129, Milan, Italy
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Duarte PRA, Franco RR, Vilela DD, Caixeta DC, de Souza AV, Deconte SR, Mendes-Rodrigues C, Fidale TM, Espindola FS, Teixeira RR, Resende ES. Effects of an L-Leucine-Rich Diet on Liver and Kidneys in a Doxorubicin Toxicity Model. Life (Basel) 2023; 13:1823. [PMID: 37763227 PMCID: PMC10532802 DOI: 10.3390/life13091823] [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: 06/28/2023] [Revised: 07/24/2023] [Accepted: 08/02/2023] [Indexed: 09/29/2023] Open
Abstract
Supplements and diets containing L-leucine, a branched-chain amino acid, have been considered beneficial for controlling oxidative stress and maintaining cardiac tissue in toxicity models using doxorubicin, a drug widely used in cancer treatment. However, there is a lack of studies in the literature that assess the effects of this diet on other organs and tissues, such as the liver and kidneys. Therefore, this study aimed to evaluate the effects of a leucine-rich diet on the liver and kidneys of healthy rats submitted to the doxorubicin toxicity model by analyzing biomarkers of oxidative stress and histological parameters. The animals were divided into four groups: naive, doxorubicin, L-leucine, and doxorubicin + L-leucine, and the diet was standardized with 5% L-leucine and a dose of 7.5 mg/kg of doxorubicin. We evaluated tissue injury parameters and biomarkers of oxidative stress, including enzymes, antioxidant profile, and oxidized molecules, in the liver and kidneys. Although some studies have indicated benefits of a diet rich in L-leucine for the muscle tissue of animals that received doxorubicin, our results showed that the liver was the most affected organ by the L-leucine-rich diet since the diet reduced its antioxidant defenses and increased the deposit of collagen and fat in the hepatic tissue. In the kidneys, the main alteration was the reduction in the number of glomeruli. These results contribute to the scientific literature and encourage further studies to evaluate the effects of an L-leucine-rich diet or its supplementation, alone or combined with doxorubicin using an animal model of cancer. Therefore, our study concludes that the leucine-rich diet itself was harmful and, when co-administered with doxorubicin, was not able to maintain the antioxidant defenses and tissue structure of the evaluated organs.
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Affiliation(s)
- Poliana Rodrigues Alves Duarte
- Faculdade de Medicina, Universidade Federal de Uberlândia, Uberlândia 38400-902, MG, Brazil; (P.R.A.D.); (S.R.D.); (C.M.-R.); (T.M.F.)
| | - Rodrigo Rodrigues Franco
- Departamento de Medicina, Universidade Federal de Catalão, Catalão 75706-881, GO, Brazil;
- Instituto de Biotecnologia, Universidade Federal de Uberlândia, Uberlândia 38400-902, MG, Brazil; (D.D.V.); (D.C.C.); (A.V.d.S.)
| | - Danielle Diniz Vilela
- Instituto de Biotecnologia, Universidade Federal de Uberlândia, Uberlândia 38400-902, MG, Brazil; (D.D.V.); (D.C.C.); (A.V.d.S.)
| | - Douglas Carvalho Caixeta
- Instituto de Biotecnologia, Universidade Federal de Uberlândia, Uberlândia 38400-902, MG, Brazil; (D.D.V.); (D.C.C.); (A.V.d.S.)
| | - Adriele Vieira de Souza
- Instituto de Biotecnologia, Universidade Federal de Uberlândia, Uberlândia 38400-902, MG, Brazil; (D.D.V.); (D.C.C.); (A.V.d.S.)
| | - Simone Ramos Deconte
- Faculdade de Medicina, Universidade Federal de Uberlândia, Uberlândia 38400-902, MG, Brazil; (P.R.A.D.); (S.R.D.); (C.M.-R.); (T.M.F.)
| | - Clesnan Mendes-Rodrigues
- Faculdade de Medicina, Universidade Federal de Uberlândia, Uberlândia 38400-902, MG, Brazil; (P.R.A.D.); (S.R.D.); (C.M.-R.); (T.M.F.)
| | - Thiago Montes Fidale
- Faculdade de Medicina, Universidade Federal de Uberlândia, Uberlândia 38400-902, MG, Brazil; (P.R.A.D.); (S.R.D.); (C.M.-R.); (T.M.F.)
- Departamento de Medicina, Universidade Federal de Catalão, Catalão 75706-881, GO, Brazil;
| | - Foued Salmen Espindola
- Instituto de Biotecnologia, Universidade Federal de Uberlândia, Uberlândia 38400-902, MG, Brazil; (D.D.V.); (D.C.C.); (A.V.d.S.)
| | - Renata Roland Teixeira
- Instituto de Biotecnologia, Universidade Federal de Uberlândia, Uberlândia 38400-902, MG, Brazil; (D.D.V.); (D.C.C.); (A.V.d.S.)
| | - Elmiro Santos Resende
- Faculdade de Medicina, Universidade Federal de Uberlândia, Uberlândia 38400-902, MG, Brazil; (P.R.A.D.); (S.R.D.); (C.M.-R.); (T.M.F.)
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Brunani A, Cancello R, Gobbi M, Lucchetti E, Di Guglielmo G, Maestrini S, Cattaldo S, Piterà P, Ruocco C, Milesi A, Valerio A, Capodaglio P, Nisoli E. Comparison of Protein- or Amino Acid-Based Supplements in the Rehabilitation of Men with Severe Obesity: A Randomized Controlled Pilot Study. J Clin Med 2023; 12:4257. [PMID: 37445292 PMCID: PMC10342837 DOI: 10.3390/jcm12134257] [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: 03/12/2023] [Revised: 06/18/2023] [Accepted: 06/23/2023] [Indexed: 07/15/2023] Open
Abstract
BACKGROUND Weight loss is associated with a reduction in all body compartments, including muscle mass (MM), and this effect produces a decrease in function and muscle strength. Our objective was to assess the impact of protein or amino acid supplements on MM loss in middle-aged men (age < 65 years) with severe obesity (BMI > 35 kg/m2) during weight loss. MATERIALS AND METHODS We conducted a single-site randomized controlled trial (Clinicaltrials.gov NCT05143398) with 40 in-patient male subjects with severe obesity. Participants underwent an intervention program consisting of a low-calorie balanced diet and structured physical activity. They were randomly assigned to 4-week treatment groups: (1) control (CTR, N = 10), (2) protein (P, N = 10), (3) branched-chain amino acid (BCAA, N = 10), and (4) essential amino acid mixture with tricarboxylic acid cycle intermediates (PD-E07, N = 10) supplementation. RESULTS Following 4 weeks of intervention, all groups showed similar reductions in body weight compared to baseline. When examining the delta values, a notable increase in muscle mass (MM) was observed in the PD-E07 intervention group [MM (kg): 2.84 ± 3.57; MM (%): 3.63 ± 3.14], in contrast to the CTR group [MM (kg): -2.46 ± 3.04; MM (%): -0.47 ± 2.28], with a statistical significance of p = 0.045 and p = 0.023, respectively. However, the MM values for the P group [MM (kg): -2.75 ± 5.98, p = 0.734; MM (%): -0.44 ± 4.02, p = 0.990] and the BCAA group [MM (kg): -1 ± 3.3, p = 0.734; MM (%): 0.34 ± 2.85, p = 0.956] did not exhibit a statistically significant difference when compared to the CTR group. CONCLUSIONS Amino acid-based supplements may effectively mitigate the loss of MM typically observed during weight reduction. Further validation through large-scale studies is necessary.
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Affiliation(s)
- Amelia Brunani
- IRCCS, Istituto Auxologico Italiano, Ospedale San Giuseppe, Piancavallo, 28921 Verbania, Italy; (M.G.); (E.L.); (G.D.G.); (S.M.); (S.C.); (P.P.); (A.M.)
| | - Raffaella Cancello
- Obesity Unit, Department of Endocrine and Metabolic Diseases, Laboratory of Nutrition and Obesity Research, IRCCS Istituto Auxologico Italiano, 20100 Milan, Italy;
| | - Michele Gobbi
- IRCCS, Istituto Auxologico Italiano, Ospedale San Giuseppe, Piancavallo, 28921 Verbania, Italy; (M.G.); (E.L.); (G.D.G.); (S.M.); (S.C.); (P.P.); (A.M.)
| | - Elisa Lucchetti
- IRCCS, Istituto Auxologico Italiano, Ospedale San Giuseppe, Piancavallo, 28921 Verbania, Italy; (M.G.); (E.L.); (G.D.G.); (S.M.); (S.C.); (P.P.); (A.M.)
| | - Giulia Di Guglielmo
- IRCCS, Istituto Auxologico Italiano, Ospedale San Giuseppe, Piancavallo, 28921 Verbania, Italy; (M.G.); (E.L.); (G.D.G.); (S.M.); (S.C.); (P.P.); (A.M.)
| | - Sabrina Maestrini
- IRCCS, Istituto Auxologico Italiano, Ospedale San Giuseppe, Piancavallo, 28921 Verbania, Italy; (M.G.); (E.L.); (G.D.G.); (S.M.); (S.C.); (P.P.); (A.M.)
| | - Stefania Cattaldo
- IRCCS, Istituto Auxologico Italiano, Ospedale San Giuseppe, Piancavallo, 28921 Verbania, Italy; (M.G.); (E.L.); (G.D.G.); (S.M.); (S.C.); (P.P.); (A.M.)
| | - Paolo Piterà
- IRCCS, Istituto Auxologico Italiano, Ospedale San Giuseppe, Piancavallo, 28921 Verbania, Italy; (M.G.); (E.L.); (G.D.G.); (S.M.); (S.C.); (P.P.); (A.M.)
| | - Chiara Ruocco
- Center for Study and Research on Obesity, Department of Biomedical Technology and Translational Medicine, University of Milan, 20100 Milan, Italy; (C.R.)
| | - Alessandra Milesi
- IRCCS, Istituto Auxologico Italiano, Ospedale San Giuseppe, Piancavallo, 28921 Verbania, Italy; (M.G.); (E.L.); (G.D.G.); (S.M.); (S.C.); (P.P.); (A.M.)
| | - Alessandra Valerio
- Department of Molecular and Translational Medicine, University of Brescia, 25121 Brescia, Italy
| | - Paolo Capodaglio
- IRCCS, Istituto Auxologico Italiano, Ospedale San Giuseppe, Piancavallo, 28921 Verbania, Italy; (M.G.); (E.L.); (G.D.G.); (S.M.); (S.C.); (P.P.); (A.M.)
- Department of Surgical Sciences, Physical and Rehabilitation Medicine, University of Torino, 10121 Torino, Italy
| | - Enzo Nisoli
- Center for Study and Research on Obesity, Department of Biomedical Technology and Translational Medicine, University of Milan, 20100 Milan, Italy; (C.R.)
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Corsetti G, Romano C, Pasini E, Scarabelli T, Chen-Scarabelli C, Dioguardi FS. Essential Amino Acids-Rich Diet Increases Cardiomyocytes Protection in Doxorubicin-Treated Mice. Nutrients 2023; 15:nu15102287. [PMID: 37242170 DOI: 10.3390/nu15102287] [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: 04/13/2023] [Revised: 05/08/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
BACKGROUND Doxorubicin (Doxo) is a widely prescribed drug against many malignant cancers. Unfortunately, its utility is limited by its toxicity, in particular a progressive induction of congestive heart failure. Doxo acts primarily as a mitochondrial toxin, with consequent increased production of reactive oxygen species (ROS) and attendant oxidative stress, which drives cardiac dysfunction and cell death. A diet containing a special mixture of all essential amino acids (EAAs) has been shown to increase mitochondriogenesis, and reduce oxidative stress both in skeletal muscle and heart. So, we hypothesized that such a diet could play a favorable role in preventing Doxo-induced cardiomyocyte damage. METHODS Using transmission electron microscopy, we evaluated cells' morphology and mitochondria parameters in adult mice. In addition, by immunohistochemistry, we evaluated the expression of pro-survival marker Klotho, as well as markers of necroptosis (RIP1/3), inflammation (TNFα, IL1, NFkB), and defense against oxidative stress (SOD1, glutathione peroxidase, citrate synthase). RESULTS Diets with excess essential amino acids (EAAs) increased the expression of Klotho and enhanced anti-oxidative and anti-inflammatory responses, thereby promoting cell survival. CONCLUSION Our results further extend the current knowledge about the cardioprotective role of EAAs and provide a novel theoretical basis for their preemptive administration to cancer patients undergoing chemotherapy to alleviate the development and severity of Doxo-induced cardiomyopathy.
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Affiliation(s)
- Giovanni Corsetti
- Division of Human Anatomy and Physiopathology, Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy
| | - Claudia Romano
- Division of Human Anatomy and Physiopathology, Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy
| | - Evasio Pasini
- Italian Association of Functional Medicine, 20855 Lesmo (Milan), Italy
| | - Tiziano Scarabelli
- Center for Heart and Vessel Preclinical Studies, St. John Hospital and Medical Center, Wayne State University, Detroit, MI 48236, USA
| | - Carol Chen-Scarabelli
- Division of Cardiology, Richmond Veterans Affairs Medical Center (VAMC), Richmond, VA 23249, USA
| | - Francesco S Dioguardi
- Department of Internal Medicine, University of Cagliari, 09042 Monserrato (Cagliari), Italy
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10
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Shi S, Chen Y, Luo Z, Nie G, Dai Y. Role of oxidative stress and inflammation-related signaling pathways in doxorubicin-induced cardiomyopathy. Cell Commun Signal 2023; 21:61. [PMID: 36918950 PMCID: PMC10012797 DOI: 10.1186/s12964-023-01077-5] [Citation(s) in RCA: 31] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Accepted: 02/12/2023] [Indexed: 03/16/2023] Open
Abstract
Doxorubicin (DOX) is a powerful and commonly used chemotherapeutic drug, used alone or in combination in a variety of cancers, while it has been found to cause serious cardiac side effects in clinical application. More and more researchers are trying to explore the molecular mechanisms of DOX-induced cardiomyopathy (DIC), in which oxidative stress and inflammation are considered to play a significant role. This review summarizes signaling pathways related to oxidative stress and inflammation in DIC and compounds that exert cardioprotective effects by acting on relevant signaling pathways, including the role of Nrf2/Keap1/ARE, Sirt1/p66Shc, Sirt1/PPAR/PGC-1α signaling pathways and NOS, NOX, Fe2+ signaling in oxidative stress, as well as the role of NLRP3/caspase-1/GSDMD, HMGB1/TLR4/MAPKs/NF-κB, mTOR/TFEB/NF-κB pathways in DOX-induced inflammation. Hence, we attempt to explain the mechanisms of DIC in terms of oxidative stress and inflammation, and to provide a theoretical basis or new idea for further drug research on reducing DIC. Video Abstract.
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Affiliation(s)
- Saixian Shi
- Department of Pharmacy, Affiliated Hospital of Southwest Medical University, No. 25 Taiping Street, Luzhou, 646000, Sichuan Province, China.,School of Pharmacy, Southwest Medical University, Luzhou, 646000, Sichuan Province, China
| | - Ye Chen
- Department of Pharmacy, Affiliated Hospital of Southwest Medical University, No. 25 Taiping Street, Luzhou, 646000, Sichuan Province, China.,School of Pharmacy, Southwest Medical University, Luzhou, 646000, Sichuan Province, China
| | - Zhijian Luo
- Department of Ultrasound, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan Province, China
| | - Guojun Nie
- The First Outpatient Department of People's Liberation Army Western Theater General Hospital, Chengdu, 610000, Sichuan Province, China
| | - Yan Dai
- Department of Pharmacy, Affiliated Hospital of Southwest Medical University, No. 25 Taiping Street, Luzhou, 646000, Sichuan Province, China.
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11
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Li Q, Hoppe T. Role of amino acid metabolism in mitochondrial homeostasis. Front Cell Dev Biol 2023; 11:1127618. [PMID: 36923249 PMCID: PMC10008872 DOI: 10.3389/fcell.2023.1127618] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 02/16/2023] [Indexed: 03/03/2023] Open
Abstract
Mitochondria are central hubs for energy production, metabolism and cellular signal transduction in eukaryotic cells. Maintenance of mitochondrial homeostasis is important for cellular function and survival. In particular, cellular metabolic state is in constant communication with mitochondrial homeostasis. One of the most important metabolic processes that provide energy in the cell is amino acid metabolism. Almost all of the 20 amino acids that serve as the building blocks of proteins are produced or degraded in the mitochondria. The synthesis of the amino acids aspartate and arginine depends on the activity of the respiratory chain, which is essential for cell proliferation. The degradation of branched-chain amino acids mainly occurs in the mitochondrial matrix, contributing to energy metabolism, mitochondrial biogenesis, as well as protein quality control in both mitochondria and cytosol. Dietary supplementation or restriction of amino acids in worms, flies and mice modulates lifespan and health, which has been associated with changes in mitochondrial biogenesis, antioxidant response, as well as the activity of tricarboxylic acid cycle and respiratory chain. Consequently, impaired amino acid metabolism has been associated with both primary mitochondrial diseases and diseases with mitochondrial dysfunction such as cancer. Here, we present recent observations on the crosstalk between amino acid metabolism and mitochondrial homeostasis, summarise the underlying molecular mechanisms to date, and discuss their role in cellular functions and organismal physiology.
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Affiliation(s)
- Qiaochu Li
- Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany
| | - Thorsten Hoppe
- Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany.,Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
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12
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Rivera CN, Kamer MM, Rivera ME, Watne RM, Macgowan TC, Wommack AJ, Vaughan RA. Insulin resistance promotes extracellular BCAA accumulation without altering LAT1 content, independent of prior BCAA treatment in a myotube model of skeletal muscle. Mol Cell Endocrinol 2023; 559:111800. [PMID: 36270542 DOI: 10.1016/j.mce.2022.111800] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 10/13/2022] [Accepted: 10/14/2022] [Indexed: 11/17/2022]
Abstract
PURPOSE Type 2 diabetes is characterized by reduced insulin sensitivity which correlates with increased circulating BCAA. These experiments investigated the effects of insulin resistance with and without excess BCAA on myotube insulin sensitivity and L-type amino acid transporter-1 (LAT1). METHODS C2C12 myotubes were treated with or without excess BCAA for 1 or 6 days, both with and without insulin resistance. Western blot was used to assess insulin sensitivity and LAT1 content. Liquid chromatography-mass spectrometry was used to evaluate BCAA media content. RESULTS Insulin resistance was associated with significantly increased extracellular BCAA accumulation independent of LAT1 content. Conversely, prior BCAA treatment was not associated with extracellular BCAA accumulation regardless of level of insulin sensitivity. CONCLUSION These data suggest insulin resistance, but not BCAA treatment, promotes extracellular BCAA accumulation independent of changes in LAT1 content, implicating insulin resistance as a causal agent of extracellular BCAA accumulation.
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Affiliation(s)
- Caroline N Rivera
- Department of Exercise Science, High Point University, High Point, NC, USA.
| | - Madison M Kamer
- Department of Exercise Science, High Point University, High Point, NC, USA.
| | - Madison E Rivera
- Department of Exercise Science, High Point University, High Point, NC, USA.
| | - Rachel M Watne
- Department of Chemistry, High Point University, High Point, NC, USA.
| | - Trent C Macgowan
- Department of Chemistry, High Point University, High Point, NC, USA.
| | - Andrew J Wommack
- Department of Chemistry, High Point University, High Point, NC, USA.
| | - Roger A Vaughan
- Department of Exercise Science, High Point University, High Point, NC, USA.
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13
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Mechanisms and Drug Intervention for Doxorubicin-Induced Cardiotoxicity Based on Mitochondrial Bioenergetics. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:7176282. [PMID: 36275901 PMCID: PMC9586735 DOI: 10.1155/2022/7176282] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 06/17/2022] [Accepted: 09/10/2022] [Indexed: 11/18/2022]
Abstract
Doxorubicin (DOX) is an anthracycline chemotherapy drug, which is indispensable in antitumor therapy. However, its subsequent induction of cardiovascular disease (CVD) has become the primary cause of mortality in cancer survivors. Accumulating evidence has demonstrated that cardiac mitochondrial bioenergetics changes have become a significant marker for doxorubicin-induced cardiotoxicity (DIC). Here, we mainly summarize the related mechanisms of DOX-induced cardiac mitochondrial bioenergetics disorders reported in recent years, including mitochondrial substrate metabolism, the mitochondrial respiratory chain, myocardial ATP storage and utilization, and other mechanisms affecting mitochondrial bioenergetics. In addition, intervention for DOX-induced cardiac mitochondrial bioenergetics disorders using chemical drugs and traditional herbal medicine is also summarized, which will provide a comprehensive process to study and develop more appropriate therapeutic strategies for DIC.
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14
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Hinkle JS, Rivera CN, Vaughan RA. Branched-Chain Amino Acids and Mitochondrial Biogenesis: An Overview and Mechanistic Summary. Mol Nutr Food Res 2022; 66:e2200109. [PMID: 36047448 PMCID: PMC9786258 DOI: 10.1002/mnfr.202200109] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 06/17/2022] [Indexed: 12/30/2022]
Abstract
Branched-chain amino acids (BCAA) are essential in the diet and promote several vital cell responses which may have benefits for health and athletic performance, as well as disease prevention. While BCAA are well-known for their ability to stimulate muscle protein synthesis, their effects on cell energetics are also becoming well-documented, but these receive less attention. In this review, much of the current evidence demonstrating BCAA ability (as individual amino acids or as part of dietary mixtures) to alter regulators of cellular energetics with an emphasis on mitochondrial biogenesis and related signaling is highlighted. Several studies have shown, both in vitro and in vivo, that BCAA (either individual or as a mixture) may promote signaling associated with increased mitochondrial biogenesis including the upregulation of master regulator of mitochondrial biogenesis peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α), as well as numerous downstream targets and related function. However, sparse data in humans and the difficulty of controlling variables associated with feeding studies leave the physiological relevance of these findings unclear. Future well-controlled diet studies will be needed to assess if BCAA consumption is associated with increased mitochondrial biogenesis and improved metabolic outcomes in healthy and/or diseased human populations.
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Affiliation(s)
- Jason S. Hinkle
- Department of Exercise ScienceHigh Point UniversityHigh PointNC27262‐3598USA
| | - Caroline N. Rivera
- Department of Exercise ScienceHigh Point UniversityHigh PointNC27262‐3598USA
| | - Roger A. Vaughan
- Department of Exercise ScienceHigh Point UniversityHigh PointNC27262‐3598USA
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15
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Li W, Li S, Cao Z, Sun Y, Qiu W, Jia M, Su M. Exploration of the amino acid metabolic signature in anthracycline-induced cardiotoxicity using an optimized targeted metabolomics approach based on UPLC-MS/MS. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2022; 395:1209-1224. [PMID: 35879430 DOI: 10.1007/s00210-022-02271-x] [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: 02/18/2022] [Accepted: 07/08/2022] [Indexed: 10/16/2022]
Abstract
Although anthracyclines improve the long-term survival rate of patients with cancer, severe and irreversible myocardial damage limits their clinical application. Amino acid (AA) metabolism in cardiomyocytes can be altered under pathological conditions. Therefore, exploring the AA metabolic signature in anthracycline-induced cardiotoxicity (AIC) is important for identifying novel mechanisms. We established mouse and cellular models of Adriamycin (ADR)-induced cardiac injury. We observed a decreased expression of troponins I (cTnI) after ADR treatment and ADR accelerated the degradation of cTnI, implying that AA metabolism could be altered in AIC. Using a targeted AA metabolomics approach based on ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS), the AA metabolic signatures in the sera of AIC mice and supernatant samples of ADR-treated H9c2 cardiomyocytes were analyzed. The levels of 14 AA metabolites were altered in ADR-treated mice (p < 0.05). Via bioinformatics analysis, we identified nine differential AA metabolites in mice and five differential AA metabolites in ADR-treated H9c2 cardiomyocytes. Three AAs with increased levels (L-glutamate, L-serine, and L-tyrosine) overlapped in the two models, suggesting a possible mechanism of AA metabolic impairment during AIC. The metabolic pathways perturbed by AIC involved aminoacyl-tRNA biosynthesis and alanine, aspartate, and glutamate metabolism. Our data suggests that ADR perturbed AA metabolism in AIC models. Moreover, the targeted AA metabolomics approach based on UPLC-MS/MS can be a unique platform to provide new clues for the prevention and treatment of AIC.
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Affiliation(s)
- Wendi Li
- Department of Clinical Laboratory, Peking University People's Hospital, No. 11 Xizhimen South Street, Beijing, 100044, People's Republic of China
| | - Shanshan Li
- Department of Clinical Laboratory, Peking University People's Hospital, No. 11 Xizhimen South Street, Beijing, 100044, People's Republic of China
| | - Zhenju Cao
- Department of Clinical Laboratory, Peking University People's Hospital, No. 11 Xizhimen South Street, Beijing, 100044, People's Republic of China
| | - Yi Sun
- Department of Clinical Laboratory, Peking University People's Hospital, No. 11 Xizhimen South Street, Beijing, 100044, People's Republic of China
| | - Wei Qiu
- Department of Urology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, People's Republic of China.
| | - Mei Jia
- Department of Clinical Laboratory, Peking University People's Hospital, No. 11 Xizhimen South Street, Beijing, 100044, People's Republic of China.
| | - Ming Su
- Department of Clinical Laboratory, Peking University People's Hospital, No. 11 Xizhimen South Street, Beijing, 100044, People's Republic of China.
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16
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Molecular mechanisms associated with the chemoprotective role of protocatechuic acid and its potential benefits in the amelioration of doxorubicin-induced cardiotoxicity: A review. Toxicol Rep 2022; 9:1713-1724. [PMID: 36561952 PMCID: PMC9764176 DOI: 10.1016/j.toxrep.2022.09.001] [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: 06/22/2022] [Revised: 09/01/2022] [Accepted: 09/03/2022] [Indexed: 12/25/2022] Open
Abstract
Since its discovery in the 1960 s, doxorubicin (DOX) has constantly elicited the broadest spectrum of cancerocidal activity against human cancers. However, cardiotoxicity caused by DOX directly as well as its metabolites is a great source of concern over the continuous use of DOX in chemotherapy. While the exact mechanism of DOX-induced cardiotoxicity is yet to be completely understood, recent studies indicate oxidative stress, inflammation, and several forms of cell death as key pathogenic mechanisms that underpin the etiology of doxorubicin-induced cardiotoxicity (DIC). Notably, these key mechanistic events are believed to be negatively regulated by 3,4-dihydroxybenzoic acid or protocatechuic acid (PCA)-a plant-based phytochemical with proven anti-oxidant, anti-inflammatory, and anti-apoptotic properties. Here, we review the experimental findings detailing the potential ameliorative effects of PCA under exposure to DOX. We also discuss molecular insights into the pathophysiology of DIC, highlighting the potential intervention points where the use of PCA as a veritable chemoprotective agent may ameliorate DOX-induced cardiotoxicities as well as toxicities due to other anticancer drugs like cisplatin. While we acknowledge that controlled oral administration of PCA during chemotherapy may be insufficient to eliminate all toxicities due to DOX treatment, we propose that the ability of PCA to block oxidative stress, attenuate inflammation, and abrogate several forms of cardiomyocyte cell death underlines its great promise in the amelioration of DIC.
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17
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Tedesco L, Rossi F, Ruocco C, Ragni M, Carruba MO, Valerio A, Nisoli E. An original amino acid formula favours in vitro corneal epithelial wound healing by promoting Fn1, ITGB1, and PGC-1α expression. Exp Eye Res 2022; 219:109060. [PMID: 35390334 DOI: 10.1016/j.exer.2022.109060] [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: 01/27/2022] [Revised: 03/17/2022] [Accepted: 03/30/2022] [Indexed: 11/04/2022]
Abstract
Corneal disorders are frequent, involving most diabetic patients; among its manifestations, they include delayed wound healing. Since maintenance of mitochondrial homeostasis is fundamental for the cell, stimulation of mitochondrial biogenesis represents a unique therapeutic tool for preventing and treating disorders with a deficit in energy metabolism. We have recently demonstrated that a branched-chain amino acid (BCAA)-enriched mixture (BCAAem) supported mitochondrial biogenesis in cardiac and skeletal muscle, reduced liver damage caused by alcohol, and prevented the doxorubicin-dependent mitochondrial damage in cardiomyocytes. The present study aimed to investigate a new amino acid mixture, named six amino acids (6AA), to promote corneal epithelial wound healing by regulating mitochondrial biogenesis. A murine epithelium cell line (TKE2) exposed to this mixture showed increased mitochondrial biogenesis markers, fibronectin 1 (Fn1) and integrin beta 1 (ITGB1) involved in extracellular matrix synthesis and cell migration. Most importantly, the 6AA mixture completely restored the wound in scratch assays, confirming the potential of this new formula in eye disorders like keratopathy. Moreover, our results demonstrate for the first time that peroxisome proliferator-receptor γ coactivator 1 α (PGC-1α) is expressed in TKE2 cells, which controls mitochondrial function and corneal repair process. These results could be relevant for the treatment mainly focused on corneal re-epithelialisation.
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Affiliation(s)
- Laura Tedesco
- Center for Study and Research on Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, via Vanvitelli, 32 - 20129, Milan, Italy.
| | - Fabio Rossi
- Center for Study and Research on Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, via Vanvitelli, 32 - 20129, Milan, Italy
| | - Chiara Ruocco
- Center for Study and Research on Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, via Vanvitelli, 32 - 20129, Milan, Italy
| | - Maurizio Ragni
- Center for Study and Research on Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, via Vanvitelli, 32 - 20129, Milan, Italy
| | - Michele O Carruba
- Center for Study and Research on Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, via Vanvitelli, 32 - 20129, Milan, Italy
| | - Alessandra Valerio
- Department of Molecular and Translational Medicine, Brescia University, Brescia, Italy
| | - Enzo Nisoli
- Center for Study and Research on Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, via Vanvitelli, 32 - 20129, Milan, Italy
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18
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Rivera ME, Rivera CN, Vaughan RA. Excess branched-chain amino acids alter myotube metabolism and substrate preference which is worsened by concurrent insulin resistance. Endocrine 2022; 76:18-28. [PMID: 34811646 DOI: 10.1007/s12020-021-02939-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 11/02/2021] [Indexed: 11/26/2022]
Abstract
PURPOSE Branched-chain amino acids (BCAA) have been shown to enhance several cellular signaling pathways including protein synthesis and mitochondrial biogenesis, yet population data demonstrate a correlation between circulating BCAA and severity of insulin resistance which has been hypothesized to be, in part, a byproduct of BCAA inhibition of mitochondrial function. The purpose of this study is to examine the effect of a BCAA mixture on muscle metabolism and related gene expression in vitro. METHODS C2C12 myotubes were treated with a BCAA mixture containing leucine:isoleucine:valine at a ratio of 2:1:1 at 0.2, 2, or 20 mM (based on leucine content) for 6 days. qRT-PCR was used to measure metabolic gene expression. Oxygen consumption and extracellular acidification were used to assess mitochondrial and glycolytic metabolism, respectively. Mitochondrial content was determined via mitochondrial-specific staining. RESULTS Despite significantly elevated mitochondrial staining, 6-day BCAA treatment reduced basal mitochondrial metabolism at a supraphysiological concentration (20 mM) in both insulin sensitive and resistant cells. Peak mitochondrial capacity was also reduced in insulin-resistant (but not insulin sensitive) cells. Conversely, basal glycolytic metabolism was elevated following 20 mM BCAA treatment, regardless of insulin resistance. In addition, insulin-resistant cells treated with 20 mM BCAA exhibited reduced gene expression of Ppargc1a, Cytc, Atp5b, Glut4, and several glycolytic enzymes versus insulin sensitive cells treated with 20 mM BCAA. CONCLUSIONS Collectively, these findings suggest BCAA at supraphysiologically high levels may negatively alter mitochondrial metabolism, and concurrent insulin resistance may also diminish peak mitochondrial capacity, as well as impede molecular adaptations that support a transition to a glycolytic preference/compensation.
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Affiliation(s)
- Madison E Rivera
- Department of Exercise Science, High Point University, High Point, NC, USA
| | - Caroline N Rivera
- Department of Exercise Science, High Point University, High Point, NC, USA
| | - Roger A Vaughan
- Department of Exercise Science, High Point University, High Point, NC, USA.
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19
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An amino acid-defined diet impairs tumour growth in mice by promoting endoplasmic reticulum stress and mTOR inhibition. Mol Metab 2022; 60:101478. [PMID: 35367410 PMCID: PMC9014392 DOI: 10.1016/j.molmet.2022.101478] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 03/10/2022] [Accepted: 03/17/2022] [Indexed: 12/17/2022] Open
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20
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Dolci S, Mannino L, Bottani E, Campanelli A, Di Chio M, Zorzin S, D'Arrigo G, Amenta A, Segala A, Paglia G, Denti V, Fumagalli G, Nisoli E, Valerio A, Verderio C, Martano G, Bifari F, Decimo I. Therapeutic Induction of Energy Metabolism Reduces Neural Tissue Damage and Increases Microglia Activation in Severe Spinal Cord Injury. Pharmacol Res 2022; 178:106149. [PMID: 35240272 DOI: 10.1016/j.phrs.2022.106149] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 02/16/2022] [Accepted: 02/26/2022] [Indexed: 01/11/2023]
Abstract
Neural tissue has high metabolic requirements. Following spinal cord injury (SCI), the damaged, tissue suffers from a severe metabolic impairment, which aggravates axonal degeneration and, neuronal loss. Impaired cellular energetic, tricarboxylic acid (TCA) cycle and oxidative, phosphorylation metabolism in neuronal cells has been demonstrated to be a major cause of neural tissue death and regeneration failure following SCI. Therefore, rewiring the spinal cord cell metabolism may be an innovative therapeutic strategy for the treatment of SCI. In this study, we evaluated the therapeutic effect of the recovery of oxidative metabolism in a mouse model of severe contusive SCI. Oral administration of TCA cycle intermediates, co-factors, essential amino acids, and branched-chain amino acids was started 3 days post-injury and continued until the end of the experimental procedures. Metabolomic, immunohistological, and biochemical analyses were performed on the injured spinal cord sections. Administration of metabolic precursors enhanced spinal cord oxidative metabolism. In line with this metabolic shift, we observed the activation of the mTORC1 anabolic pathway, the increase in mitochondrial mass, and ROS defense which effectively prevented the injury-induced neural cell apoptosis in treated animals. Consistently, we found more choline acetyltransferase (ChAT)-expressing motor neurons and increased neurofilament positive corticospinal axons in the spinal cord parenchyma of the treated mice. Interestingly, oral administration of the metabolic precursors increased the number of activated microglia expressing the CD206 marker suggestive of a, pro-resolutive, M2-like phenotype. These molecular and histological modifications observed in treated animals ultimately led to a significant, although partial, improvement of the motor functions. Our data demonstrate that rewiring the cellular metabolism can represent an effective strategy to treat SCI.
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Affiliation(s)
- Sissi Dolci
- Department of Diagnostic and Public Health, Section of Pharmacology, University of Verona, 37134, Italy
| | - Loris Mannino
- Department of Diagnostic and Public Health, Section of Pharmacology, University of Verona, 37134, Italy
| | - Emanuela Bottani
- Department of Diagnostic and Public Health, Section of Pharmacology, University of Verona, 37134, Italy
| | - Alessandra Campanelli
- Department of Diagnostic and Public Health, Section of Pharmacology, University of Verona, 37134, Italy
| | - Marzia Di Chio
- Department of Diagnostic and Public Health, Section of Pharmacology, University of Verona, 37134, Italy
| | - Stefania Zorzin
- Department of Diagnostic and Public Health, Section of Pharmacology, University of Verona, 37134, Italy
| | | | - Alessia Amenta
- Laboratory of Cell Metabolism and Regenerative Medicine, Department of Medical Biotechnology and Translational Medicine, University of Milan, 20133, Italy
| | - Agnese Segala
- Department of Molecular and Translational Medicine, University of Brescia, 25121, Italy
| | - Giuseppe Paglia
- School of Medicine and Surgery, Università degli Studi di Milano-Bicocca, 20126, Italy
| | - Vanna Denti
- School of Medicine and Surgery, Università degli Studi di Milano-Bicocca, 20126, Italy
| | - Guido Fumagalli
- Department of Diagnostic and Public Health, Section of Pharmacology, University of Verona, 37134, Italy
| | - Enzo Nisoli
- Center for Study and Research on Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, 20133, Italy
| | - Alessandra Valerio
- Department of Molecular and Translational Medicine, University of Brescia, 25121, Italy
| | | | | | - Francesco Bifari
- Laboratory of Cell Metabolism and Regenerative Medicine, Department of Medical Biotechnology and Translational Medicine, University of Milan, 20133, Italy.
| | - Ilaria Decimo
- Department of Diagnostic and Public Health, Section of Pharmacology, University of Verona, 37134, Italy.
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21
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Kong CY, Guo Z, Song P, Zhang X, Yuan YP, Teng T, Yan L, Tang QZ. Underlying the Mechanisms of Doxorubicin-Induced Acute Cardiotoxicity: Oxidative Stress and Cell Death. Int J Biol Sci 2022; 18:760-770. [PMID: 35002523 PMCID: PMC8741835 DOI: 10.7150/ijbs.65258] [Citation(s) in RCA: 84] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 11/17/2021] [Indexed: 02/06/2023] Open
Abstract
Cancer is a destructive disease that causes high levels of morbidity and mortality. Doxorubicin (DOX) is a highly efficient antineoplastic chemotherapeutic drug, but its use places survivors at risk for cardiotoxicity. Many studies have demonstrated that multiple factors are involved in DOX-induced acute cardiotoxicity. Among them, oxidative stress and cell death predominate. In this review, we provide a comprehensive overview of the mechanisms underlying the source and effect of free radicals and dependent cell death pathways induced by DOX. Hence, we attempt to explain the cellular mechanisms of oxidative stress and cell death that elicit acute cardiotoxicity and provide new insights for researchers to discover potential therapeutic strategies to prevent or reverse doxorubicin-induced cardiotoxicity.
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Affiliation(s)
- Chun-Yan Kong
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China.,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Zhen Guo
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China.,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Peng Song
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China.,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Xin Zhang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China.,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Yu-Pei Yuan
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China.,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Teng Teng
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China.,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Ling Yan
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China.,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
| | - Qi-Zhu Tang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, RP China.,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan 430060, RP China
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22
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Ferulic Acid Derivatives and Avenanthramides Modulate Endothelial Function through Maintenance of Nitric Oxide Balance in HUVEC Cells. Nutrients 2021; 13:nu13062026. [PMID: 34204635 PMCID: PMC8231282 DOI: 10.3390/nu13062026] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/07/2021] [Accepted: 06/10/2021] [Indexed: 02/06/2023] Open
Abstract
Wholegrain oats contain a variety of phenolic compounds thought to help maintain healthy vascular function, through the maintenance of local levels of the vasodilator nitric oxide (NO). Thus, the full molecular mechanisms involved are not yet clear. With this work we aim to understand the possible cellular mechanisms by which avenanthramides and ferulic acid derivatives, present in oats, may help maintain a healthy vascular function through the modulation of the NO pathway. Primary Human Umbilical Vein Endothelial Cells (HUVEC) were exposed to ferulic acid, isoferulic acid, hydroferulic acid, ferulic acid 4-O-glucuronide, isoferulic acid 3-O-sulfate, dihydroferulic acid 4-O-glucuronide, avenanthramide A, avenanthramide B and avenanthramide C (1 μM) or vehicle (methanol) for 24 h. Apocynin and Nω-Nitro-L-arginine (L-NNA) were additionally included as controls. NO and cyclic GMP (cGMP) levels, superoxide production and the activation of the Akt1/eNOS pathway were assessed. The statistical analysis was performed using one-way ANOVA followed by a Tukey post-hoc t-test. Apocynin and all phenolic compounds increased NO levels in HUVEC cells (increased DAF2-DA fluorescence and cGMP), and significantly reduced superoxide levels. Protein expression results highlighted an increase in the Akt1 activation state, and increased eNOS expression. Overall, our results indicated that the glucuronide metabolites do not enhance NO production through the Akt1/eNOS pathway, thus all compounds tested are able to reduce NO degradation through reduced superoxide formation.
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Garbern JC, Lee RT. Mitochondria and metabolic transitions in cardiomyocytes: lessons from development for stem cell-derived cardiomyocytes. Stem Cell Res Ther 2021; 12:177. [PMID: 33712058 PMCID: PMC7953594 DOI: 10.1186/s13287-021-02252-6] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 02/28/2021] [Indexed: 12/13/2022] Open
Abstract
Current methods to differentiate cardiomyocytes from human pluripotent stem cells (PSCs) inadequately recapitulate complete development and result in PSC-derived cardiomyocytes (PSC-CMs) with an immature or fetal-like phenotype. Embryonic and fetal development are highly dynamic periods during which the developing embryo or fetus is exposed to changing nutrient, oxygen, and hormone levels until birth. It is becoming increasingly apparent that these metabolic changes initiate developmental processes to mature cardiomyocytes. Mitochondria are central to these changes, responding to these metabolic changes and transitioning from small, fragmented mitochondria to large organelles capable of producing enough ATP to support the contractile function of the heart. These changes in mitochondria may not simply be a response to cardiomyocyte maturation; the metabolic signals that occur throughout development may actually be central to the maturation process in cardiomyocytes. Here, we review methods to enhance maturation of PSC-CMs and highlight evidence from development indicating the key roles that mitochondria play during cardiomyocyte maturation. We evaluate metabolic transitions that occur during development and how these affect molecular nutrient sensors, discuss how regulation of nutrient sensing pathways affect mitochondrial dynamics and function, and explore how changes in mitochondrial function can affect metabolite production, the cell cycle, and epigenetics to influence maturation of cardiomyocytes.
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Affiliation(s)
- Jessica C Garbern
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, 7 Divinity Ave, Cambridge, MA, 02138, USA
- Department of Cardiology, Boston Children's Hospital, 300 Longwood Ave, Boston, MA, 02115, USA
| | - Richard T Lee
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, 7 Divinity Ave, Cambridge, MA, 02138, USA.
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, 75 Francis St, Boston, MA, 02115, USA.
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Owumi SE, Nwozo SO, Arunsi UO, Oyelere AK, Odunola OA. Co-administration of Luteolin mitigated toxicity in rats' lungs associated with doxorubicin treatment. Toxicol Appl Pharmacol 2021; 411:115380. [PMID: 33358696 DOI: 10.1016/j.taap.2020.115380] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 12/11/2020] [Accepted: 12/17/2020] [Indexed: 02/06/2023]
Abstract
Doxorubicin (DOX), is a drug against lung malignancies with undesirable side effect including oxidative, inflammatory and apoptotic effects. Luteolin (LUT), present in fruits and vegetables is pharmacologically active against oxido-inflammatory and apoptotic responses. The present study examined the effect of LUT on DOX-induced lungs and blood dysfunction in Wistars rat (sex: male; 10 weeks old, 160 ± 5 g). Randomly grouped (n = 10) rats were treated as follows: control, LUT alone (100 mg/kg; per os), DOX (2 mg/kg; i. p), and co-treated rats with LUT (50 or 100 mg/kg) and DOX for two consecutive weeks. DOX alone adversely altered the final body and relative organ weights, red and white blood cell and platelet counts. DOX significantly (p > 0.05) reduced lungs antioxidant capacity, and anti-inflammatory cytokines; increased biomarkers of oxidative stress, caspase-3 activity, and pro-inflammatory cytokine. Morphological damages accompanied these biochemical alterations in the lung of experimental rats. Co-treatment with LUT, dose-dependently reversed DOX-mediated changes in rats' survival, toxic responses, and diminished oxidative stress in rat's lungs. Furthermore, co-treatment with LUT resulted in the reduction of pro-inflammatory cytokines and apoptotic biomarkers, increased red and white blood cell, platelet counts and abated pathological injuries in rat lungs treated with DOX alone. In essence, our findings indicate that LUT dose-dependently mitigated DOX-induced toxicities in the lungs and haematopoietic systems. Supplementation of patients on DOX-chemotherapy with phytochemicals exhibiting antioxidant activities, specifically LUT, could circumvent the onset of unintended toxic responses in the lungs and haematopoietic system exposed to DOX.
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Affiliation(s)
- Solomon E Owumi
- Cancer Research and Molecular Biology Laboratories, University of Ibadan, Ibadan, Nigeria.
| | - Sarah O Nwozo
- Nutrition and Industrial Biochemistry Laboratories, Department of Biochemistry, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Nigeria
| | - Uche O Arunsi
- Cancer Immunology and Biotechnology Center, The University of Nottingham, Nottingham NG8 1AF, UK
| | - Adegboyega K Oyelere
- School of Chemistry & Biochemistry, Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332-0400, USA
| | - Oyeronke A Odunola
- Cancer Research and Molecular Biology Laboratories, University of Ibadan, Ibadan, Nigeria
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Ruocco C, Segala A, Valerio A, Nisoli E. Essential amino acid formulations to prevent mitochondrial dysfunction and oxidative stress. Curr Opin Clin Nutr Metab Care 2021; 24:88-95. [PMID: 33060458 DOI: 10.1097/mco.0000000000000704] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
PURPOSE OF REVIEW Both restriction and supplementation of specific amino acids or branched-chain amino acids (BCAAs) are described to improve metabolic homeostasis, energy balance, and health span. This review will discuss the recent findings of the role of amino acid supplements in the regulation of mitochondrial health. RECENT FINDINGS A mixture of essential amino acids (EAAs), BCAA enriched mixture, was found to extend healthy life span in elderly mice and prevent multiple diseases associated with an energy deficit, similarly to caloric restriction or fasting-mimicking diets. A growing body of evidence highlights mitochondria as the central target of this supplement: it promotes mitochondrial biogenesis and the activation of antioxidant defence systems in different physiological (e.g., exercise or ageing) or pathological conditions (e.g., sarcopenia, muscular dystrophy, liver steatosis, or impaired cognition). Based on these results, new formulas have been created enriched with Krebs cycle substrates, behaving more efficiently than BCAA enriched mixture. SUMMARY EAA-BCAA balanced supplements might be valuable not only for healthy individuals undergoing to energy deficit (e.g., athletes) during strenuous exercise or training but also against diseases characterized by a dysregulated catabolic state or mitochondrial dysfunction, such as age-related disorders. The associated mechanistic processes should be identified as potential pharmacological targets.
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Affiliation(s)
- Chiara Ruocco
- Department of Biomedical Technology and Translational Medicine, Center for Study and Research on Obesity, University of Milan, Milan
| | - Agnese Segala
- Department of Molecular and Translational Medicine, Brescia University, Brescia, Italy
| | - Alessandra Valerio
- Department of Molecular and Translational Medicine, Brescia University, Brescia, Italy
| | - Enzo Nisoli
- Department of Biomedical Technology and Translational Medicine, Center for Study and Research on Obesity, University of Milan, Milan
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Owumi SE, Ijadele AO, Arunsi UO, Odunola OA. Luteolin abates reproductive toxicity mediated by the oxido-inflammatory response in Doxorubicin-treated rats. TOXICOLOGY RESEARCH AND APPLICATION 2020. [DOI: 10.1177/2397847320972040] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The anti-neoplastic use of Doxorubicin (DOX) is hampered by several limitations, including reproductive toxicity. Luteolin (LUT)–a phytochemical-biological benefits include antioxidative and anti-inflammatory actions. Here we examined the protective effect of LUT against DOX-induced reproductive toxicity in an in vivo model—male albino Wistar rats—randomly assigned to five groups and treated as follows: Control (corn oil 2 mL/kg; per os), LUT (100 mg/kg; per os), DOX (2 mg/kg) by intraperitoneal injections, co-treated groups received LUT (50 and 100 mg/kg) with DOX. Treatment with DOX alone, significantly (p > 0.05), reduced biomarkers of testicular function, reproductive hormone levels, testicular and epididymal antioxidant, and anti-inflammatory cytokine. DOX increased (p > 0.05) sperm morphological abnormalities, as well as reactive oxygen and nitrogen species, lipid peroxidation, xanthine oxidase, a pro-inflammatory cytokine, and apoptotic biomarkers. Furthermore, testicular and epididymal histological lesion complemented the observed biochemical changes in treated rats. LUT co-treatment resulted in a dosage-dependent improvement in rats’ survivability, antioxidants capacity, reduction in biomarkers of oxidative stress, pro-inflammatory cytokines, and apoptosis in rat’s testis and epididymis. Also, LUT treatment resulted in improved histological features in the testis and epididymis, relative to DOX alone treated rats. LUT co-treatment abated DOX-mediated reproductive organ injuries associated with pro-oxidative, inflammatory, and apoptotic mechanisms. LUT supplementation may serve as a phyto-protective agent in alleviating male reproductive organ toxic injuries associated with Doxorubicin therapy.
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Affiliation(s)
- Solomon E Owumi
- Cancer Research and Molecular Biology Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Abigail O Ijadele
- Cancer Research and Molecular Biology Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Uche O Arunsi
- Cancer Research and Molecular Biology Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Oyeronke A Odunola
- Cancer Research and Molecular Biology Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
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Brunetti D, Bottani E, Segala A, Marchet S, Rossi F, Orlando F, Malavolta M, Carruba MO, Lamperti C, Provinciali M, Nisoli E, Valerio A. Targeting Multiple Mitochondrial Processes by a Metabolic Modulator Prevents Sarcopenia and Cognitive Decline in SAMP8 Mice. Front Pharmacol 2020; 11:1171. [PMID: 32848778 PMCID: PMC7411305 DOI: 10.3389/fphar.2020.01171] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 07/17/2020] [Indexed: 12/31/2022] Open
Abstract
The age-dependent declines of skeletal muscle and cognitive functions often coexist in elderly subjects. The underlying pathophysiological mechanisms share common features of mitochondrial dysfunction, which plays a central role in the development of overt sarcopenia and/or dementia. Dietary supplementation with formulations of essential and branched-chain amino acids (EAA-BCAA) is a promising preventive strategy because it can preserve mitochondrial biogenesis and function. The senescence-accelerated mouse prone 8 (SAMP8) is considered an accurate model of age-related muscular and cognitive alterations. Hence, we aimed to investigate the progression of mitochondrial dysfunctions during muscular and cognitive aging of SAMP8 mice and to study the effects of a novel EAA-BCAA-based metabolic modulator on these changes. We evaluated body condition, motor endurance, and working memory of SAMP8 mice at 5, 9, 12, and 15 months of age. Parallel changes in protein levels of mitochondrial respiratory chain subunits, regulators of mitochondrial biogenesis and dynamics, and the antioxidant response, as well as respiratory complex activities, were measured in the quadriceps femoris and the hippocampus. The same variables were assessed in 12-month-old SAMP8 mice that had received dietary supplementation with the novel EAA-BCAA formulation, containing tricarboxylic acid cycle intermediates and co-factors (PD-0E7, 1.5 mg/kg/body weight/day in drinking water) for 3 months. Contrary to untreated mice, which had a significant molecular and phenotypic impairment, PD-0E7-treated mice showed preserved healthy body condition, muscle weight to body weight ratio, motor endurance, and working memory at 12 months of age. The PD-0E7 mixture increased the protein levels and the enzymatic activities of mitochondrial complex I, II, and IV and the expression of proliferator-activated receptor γ coactivator-1α, optic atrophy protein 1, and nuclear factor, erythroid 2 like 2 in muscles and hippocampi. The mitochondrial amyloid-β-degrading pitrilysin metallopeptidase 1 was upregulated, while amyloid precursor protein was reduced in the hippocampi of PD-0E7 treated mice. In conclusion, we show that a dietary supplement tailored to boost mitochondrial respiration preserves skeletal muscle and hippocampal mitochondrial quality control and health. When administered at the early onset of age-related physical and cognitive decline, this novel metabolic inducer counteracts the deleterious effects of precocious aging in both domains.
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Affiliation(s)
- Dario Brunetti
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy.,Medical Genetics and Neurogenetics Unit, Fondazione IRCCS Istituto Neurologico C. Besta, Milan, Italy
| | - Emanuela Bottani
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy.,Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - Agnese Segala
- Medical Genetics and Neurogenetics Unit, Fondazione IRCCS Istituto Neurologico C. Besta, Milan, Italy
| | - Silvia Marchet
- Medical Genetics and Neurogenetics Unit, Fondazione IRCCS Istituto Neurologico C. Besta, Milan, Italy
| | - Fabio Rossi
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy
| | - Fiorenza Orlando
- Advanced Technology Center for Aging Research, Scientific Technological Area, IRCCS INRCA, Ancona, Italy
| | - Marco Malavolta
- Advanced Technology Center for Aging Research, Scientific Technological Area, IRCCS INRCA, Ancona, Italy
| | - Michele O Carruba
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy.,Center for Study and Research on Obesity, University of Milan, Milan, Italy
| | - Costanza Lamperti
- Medical Genetics and Neurogenetics Unit, Fondazione IRCCS Istituto Neurologico C. Besta, Milan, Italy
| | - Mauro Provinciali
- Advanced Technology Center for Aging Research, Scientific Technological Area, IRCCS INRCA, Ancona, Italy
| | - Enzo Nisoli
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy.,Center for Study and Research on Obesity, University of Milan, Milan, Italy
| | - Alessandra Valerio
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
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