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Zheng Q, Wang F, Nie C, Zhang K, Sun Y, Al-Ansi W, Wu Q, Wang L, Du J, Li Y. Elevating the significance of legume intake: A novel strategy to counter aging-related mitochondrial dysfunction and physical decline. Compr Rev Food Sci Food Saf 2024; 23:e13342. [PMID: 38634173 DOI: 10.1111/1541-4337.13342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 03/11/2024] [Accepted: 03/19/2024] [Indexed: 04/19/2024]
Abstract
Mitochondrial dysfunction increasingly becomes a target for promoting healthy aging and longevity. The dysfunction of mitochondria with age ultimately leads to a decline in physical functions. Among them, biogenesis dysfunction and the imbalances in the metabolism of reactive oxygen species and mitochondria as signaling organelles in the aging process have aroused our attention. Dietary intervention in mitochondrial dysfunction and physical decline during aging processes is essential, and greater attention should be directed toward healthful legume intake. Legumes are constantly under investigation for their nutritional and bioactive properties, and their consumption may yield antiaging and mitochondria-protecting benefits. This review summarizes mitochondrial dysfunction with age, discusses the benefits of legumes on mitochondrial function, and introduces the potential role of legumes in managing aging-related physical decline. Additionally, it reveals the benefits of legume intake for the elderly and offers a viable approach to developing legume-based functional food.
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Affiliation(s)
- Qingwei Zheng
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Feijie Wang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Chenzhipeng Nie
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Kuiliang Zhang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Yujie Sun
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Waleed Al-Ansi
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Qiming Wu
- Nutrilite Health Institute, Shanghai, China
| | - Li Wang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Jun Du
- Nutrilite Health Institute, Shanghai, China
| | - Yan Li
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
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Raina K, Kumari R, Thakur P, Sharma R, Singh R, Thakur A, Anand V, Sharma R, Chaudhary A. Mechanistic role and potential of Ayurvedic herbs as anti-aging therapies. Drug Metab Pers Ther 2023; 38:211-226. [PMID: 37708954 DOI: 10.1515/dmpt-2023-0024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 04/28/2023] [Indexed: 09/16/2023]
Abstract
INTRODUCTION Medicinal plants and herbs are the most important part of the Ayurveda. The term Rasayana in Charaka Samhita confers long life, youthfulness, strong body, freedom from diseases and the plants mentioned in Rsayana possess antiaging property. Aging is the collective term used for the complex detrimental physiological changes that reduce the functional ability of the cell. Oxidative stress, telomeres shortening, inflammation, and mitochondrial dysfunction are the main factors that regulate the aging process. Chronological aging is an irreversible process but the factors causing biological aging can be controlled. Ayurvedic herbs are better for the management of age-related problems. There are several natural bioactive agents present in plants that can delay the aging process in humans. They trigger actions like enhancing gene longevity and telomerase activity, ROS scavenging furthermore regeneration of tissues. CONTENT The plants mentioned in the Rasayana of Ayurveda have antiaging potential and can be used to solve modern problems related to aging. Some Ayurvedic plants and their antiaging potential has explained in this review. The main causes of aging, medicinal plants and their use as potential antiaging mediator are covered in this study. SUMMARY The process of aging is still an enigma. It is a complex, irretrievable, dynamic process that involves a number of factors and is subject to a number of environmental and genetic influences. Rasayana aspect has not been much investigated in clinical trials. Aging is considered to result from free radical damage. According to Charaka, Rasayana drugs open the partially or fully blocked channels. Many Rasayanas show free radical scavenging activity and has the potential to mitigate the effects of aging. It gives an overview of the significance of Ayurvedic medicinal plants as a source of inspiration and the use of these plants as remedies for antiaging. OUTLOOK This study briefly outlooks the causes of aging and how medicinal plants can be used to reverse the aging process. In this study, we discussed the antiaging potential and mechanistic roles of Ayurvedic herbs. These herbs have the properties to slow down the natural process of aging and can successfully manage common age-related problems.
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Affiliation(s)
- Kirti Raina
- Department of Plant Sciences, School of Life Sciences, Central University of Himachal Pradesh, Kangra, Himachal Pradesh, India
| | - Ruchika Kumari
- Department of Plant Sciences, School of Life Sciences, Central University of Himachal Pradesh, Kangra, Himachal Pradesh, India
| | - Palak Thakur
- Department of Plant Sciences, School of Life Sciences, Central University of Himachal Pradesh, Kangra, Himachal Pradesh, India
| | - Rohit Sharma
- Department of Forest Products, College of Forestry, Dr. Yashwant Singh Parmar University of Horticulture and Forestry, Nauni, Solan, Himachal Pradesh, India
| | - Randeep Singh
- PG Department of Zoology, Khalsa College Amritsar, Amritsar, Punjab, India
| | - Abhinay Thakur
- PG Department of Zoology, DAV College Jalandhar, Jalandhar, Punjab, India
| | - Vikas Anand
- Department of Physics & Astronomical Sciences, Central University of Himachal Pradesh, Kangra, Himachal Pradesh, India
| | - Rohit Sharma
- Department of Rasa Shastra and Bhaishajya Kalpana, Faculty of Ayurveda, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
| | - Ashun Chaudhary
- Department of Plant Sciences, School of Life Sciences, Central University of Himachal Pradesh, Kangra, Himachal Pradesh, India
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Li Q, Lin Y, Xu J, Liu Y, Jing Y, Huang R, Song C, Zhang L, Jin S. Diet Restriction Impact on High-Fat-Diet-Induced Obesity by Regulating Mitochondrial Cardiolipin Biosynthesis and Remodeling. Molecules 2023; 28:molecules28114522. [PMID: 37298998 DOI: 10.3390/molecules28114522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 04/22/2023] [Accepted: 05/30/2023] [Indexed: 06/12/2023] Open
Abstract
Diet restriction (DR) ameliorates obesity by regulating mitochondrial function. Cardiolipin (CL), a mitochondrial phospholipid, is closely associated with mitochondrial function. This study aimed to evaluate the anti-obesity effects of graded levels of DR based on mitochondrial CL levels in the liver. Obese mice were treated with 0%, 20%, 40%, and 60% reductions in the normal diet compared to normal animals (0 DR, 20 DR, 40 DR, and 60 DR groups, respectively). Biochemical and histopathological analyses were performed to evaluate the ameliorative effects of DR on obese mice. The altered profile of mitochondrial CL in the liver was explored using a targeted metabolomics strategy by ultra-high-pressure liquid chromatography MS/MS coupled with quadrupole time-of-flight mass spectrometry. Finally, gene expression associated with CL biosynthesis and remodeling was quantified. Tissue histopathology and biochemical index evaluations revealed significant improvements in the liver after DR, except for the 60 DR group. The variation in mitochondrial CL distribution and DR levels showed an inverted U-shape, and the CL content in the 40 DR group was the most upregulated. This result is consistent with the results of the target metabolomic analysis, which showed that 40 DR presented more variation. Furthermore, DR led to increased gene expression associated with CL biosynthesis and remodeling. This study provides new insights into the mitochondrial mechanisms underlying DR intervention in obesity.
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Affiliation(s)
- Qiaoyu Li
- College of Pharmacy, Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan 430065, China
| | - Yuqi Lin
- College of Pharmacy, Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan 430065, China
| | - Jinlin Xu
- College of Pharmacy, Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan 430065, China
| | - Yukun Liu
- College of Pharmacy, Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan 430065, China
| | - Yuxuan Jing
- College of Pharmacy, Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan 430065, China
| | - Rongzeng Huang
- College of Pharmacy, Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan 430065, China
| | - Chengwu Song
- College of Pharmacy, Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan 430065, China
| | - Lijun Zhang
- College of Basic Medicine, Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan 430065, China
| | - Shuna Jin
- College of Basic Medicine, Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan 430065, China
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Johnson JM, Peterlin AD, Balderas E, Sustarsic EG, Maschek JA, Lang MJ, Jara-Ramos A, Panic V, Morgan JT, Villanueva CJ, Sanchez A, Rutter J, Lodhi IJ, Cox JE, Fisher-Wellman KH, Chaudhuri D, Gerhart-Hines Z, Funai K. Mitochondrial phosphatidylethanolamine modulates UCP1 to promote brown adipose thermogenesis. Sci Adv 2023; 9:eade7864. [PMID: 36827367 PMCID: PMC9956115 DOI: 10.1126/sciadv.ade7864] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 01/24/2023] [Indexed: 05/08/2023]
Abstract
Thermogenesis by uncoupling protein 1 (UCP1) is one of the primary mechanisms by which brown adipose tissue (BAT) increases energy expenditure. UCP1 resides in the inner mitochondrial membrane (IMM), where it dissipates membrane potential independent of adenosine triphosphate (ATP) synthase. Here, we provide evidence that phosphatidylethanolamine (PE) modulates UCP1-dependent proton conductance across the IMM to modulate thermogenesis. Mitochondrial lipidomic analyses revealed PE as a signature molecule whose abundance bidirectionally responds to changes in thermogenic burden. Reduction in mitochondrial PE by deletion of phosphatidylserine decarboxylase (PSD) made mice cold intolerant and insensitive to β3 adrenergic receptor agonist-induced increase in whole-body oxygen consumption. High-resolution respirometry and fluorometry of BAT mitochondria showed that loss of mitochondrial PE specifically lowers UCP1-dependent respiration without compromising electron transfer efficiency or ATP synthesis. These findings were confirmed by a reduction in UCP1 proton current in PE-deficient mitoplasts. Thus, PE performs a previously unknown role as a temperature-responsive rheostat that regulates UCP1-dependent thermogenesis.
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Affiliation(s)
- Jordan M. Johnson
- Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA
| | - Alek D. Peterlin
- Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA
- Utah Center for Clinical and Translational Research, University of Utah, Salt Lake City, UT, USA
| | - Enrique Balderas
- Nora Eccles Harrison Cardiovascular Research and Training Institute, Division of Cardiovascular Medicine, Department of Internal Medicine, University of Utah, Salt Lake City, UT, USA
| | - Elahu G. Sustarsic
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
| | - J. Alan Maschek
- Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA
- Metabolomics Core Research Facility, University of Utah, Salt Lake City, UT, USA
| | - Marisa J. Lang
- Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA
| | - Alejandro Jara-Ramos
- Nora Eccles Harrison Cardiovascular Research and Training Institute, Division of Cardiovascular Medicine, Department of Internal Medicine, University of Utah, Salt Lake City, UT, USA
| | - Vanja Panic
- Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA
- Department of Biochemistry, University of Utah, Salt Lake City, UT, USA
| | - Jeffrey T. Morgan
- Department of Biochemistry, University of Utah, Salt Lake City, UT, USA
- Howard Hughes Medical Institute, University of Utah, Salt Lake City, UT, USA
| | - Claudio J. Villanueva
- Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA
- Department of Biochemistry, University of Utah, Salt Lake City, UT, USA
- Department of Integrative Biology and Physiology, University of California Los Angeles, Los Angeles, CA, USA
| | - Alejandro Sanchez
- Division of Urology, Department of Surgery, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT, USA
| | - Jared Rutter
- Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA
- Department of Biochemistry, University of Utah, Salt Lake City, UT, USA
- Howard Hughes Medical Institute, University of Utah, Salt Lake City, UT, USA
| | - Irfan J. Lodhi
- Division of Endocrinology, Metabolism and Lipid Research, Washington University School of Medicine, St. Louis, MO, USA
| | - James E. Cox
- Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA
- Metabolomics Core Research Facility, University of Utah, Salt Lake City, UT, USA
- Department of Biochemistry, University of Utah, Salt Lake City, UT, USA
| | | | - Dipayan Chaudhuri
- Nora Eccles Harrison Cardiovascular Research and Training Institute, Division of Cardiovascular Medicine, Department of Internal Medicine, University of Utah, Salt Lake City, UT, USA
- Department of Biochemistry, University of Utah, Salt Lake City, UT, USA
| | - Zachary Gerhart-Hines
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
| | - Katsuhiko Funai
- Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA
- Molecular Medicine Program, University of Utah, Salt Lake City, UT, USA
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Al Attar AA, Fahed GI, Hoballah MM, Pedersen S, El-yazbi AF, Nasser SA, Bitto A, Orekhov AN, Eid AH. Mechanisms underlying the effects of caloric restriction on hypertension. Biochem Pharmacol 2022; 200:115035. [DOI: 10.1016/j.bcp.2022.115035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 04/07/2022] [Accepted: 04/07/2022] [Indexed: 11/20/2022]
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Taucher E, Mykoliuk I, Fediuk M, Smolle-Juettner FM. Autophagy, Oxidative Stress and Cancer Development. Cancers (Basel) 2022; 14:cancers14071637. [PMID: 35406408 PMCID: PMC8996905 DOI: 10.3390/cancers14071637] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 03/18/2022] [Accepted: 03/22/2022] [Indexed: 01/18/2023] Open
Abstract
Simple Summary Autophagy, as an important cellular repair mechanism, is important for the prevention of several diseases, including metabolic and neurologic disorders, and cancer. Hence, dysfunctional autophagy has been linked to these diseases, and in recent years researchers have tried to outline therapeutic targets in autophagy-related pathways as a treatment. With this review of the literature, we want to give an overview about the connection between oxidative stress, autophagy and cancer. Abstract Autophagy is an important cellular repair mechanism, aiming at sequestering misfolded and dysfunctional proteins and damaged cell organelles. Dysfunctions in the autophagy process have been linked to several diseases, like infectious and neurodegenerative diseases, type II diabetes mellitus and cancer. Living organisms are constantly subjected to some degree of oxidative stress, mainly induced by reactive oxygen and nitrogen species. It has been shown that autophagy is readily induced by reactive oxygen species (ROS) upon nutrient deprivation. In recent years, research has increasingly focused on outlining novel therapeutic targets related to the autophagy process. With this review of the literature, we want to give an overview about the link between autophagy, oxidative stress and carcinogenesis.
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Affiliation(s)
- Elisabeth Taucher
- Division of Pulmonology, Department of Internal Medicine, Medical University Graz, 8036 Graz, Austria
- Correspondence: ; Tel.: +43-316-385-12183
| | - Iurii Mykoliuk
- Division of Thoracic Surgery, Department of Surgery, Medical University Graz, 8036 Graz, Austria; (I.M.); (M.F.); (F.-M.S.-J.)
| | - Melanie Fediuk
- Division of Thoracic Surgery, Department of Surgery, Medical University Graz, 8036 Graz, Austria; (I.M.); (M.F.); (F.-M.S.-J.)
| | - Freyja-Maria Smolle-Juettner
- Division of Thoracic Surgery, Department of Surgery, Medical University Graz, 8036 Graz, Austria; (I.M.); (M.F.); (F.-M.S.-J.)
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Wang X, Lv W, Xu J, Zheng A, Zeng M, Cao K, Wang X, Cui Y, Li H, Yang M, Shao Y, Zhang F, Zou X, Long J, Feng Z, Liu J. Hepatic Suppression of Mitochondrial Complex II Assembly Drives Systemic Metabolic Benefits. Adv Sci (Weinh) 2022; 9:e2105587. [PMID: 35037426 PMCID: PMC8948583 DOI: 10.1002/advs.202105587] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Indexed: 05/05/2023]
Abstract
Alternate day fasting (ADF), the most popular form of caloric restriction, has shown to improve metabolic health in preclinical subjects, while intrinsic network underpinning the process remains unclear. Here, it is found that liver undergoes dramatic metabolic reprogramming during ADF, accompanied surprisingly with unique complex II dysfunction attributing to suspended complex II assembly via suppressing SDHAF4, a recently identified assembly factor. Despite moderate mitochondrial complex II dysfunction, hepatic Sdhaf4 knockout mice present intriguingly improved glucose tolerance and systemic insulin sensitivity, consistent with mice after ADF intervention. Mechanistically, it is found that hepatocytes activate arginine-nitric oxide (NO) biosynthesis axle in response to complex II and citric acid cycle dysfunction, the release of NO from liver can target muscle and adipocytes in addition to its autocrine action for enhanced insulin sensitivity. These results highlight the pivotal role of liver in ADF-associated systemic benefits, and suggest that targeting hepatic complex II assembly can be an intriguing strategy against metabolic disorders.
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Affiliation(s)
- Xueqiang Wang
- Center for Mitochondrial Biology and MedicineThe Key Laboratory of Biomedical Information Engineering of Ministry of EducationSchool of Life Science and TechnologyXi'an Jiaotong UniversityXi'anShaanxi710049China
| | - Weiqiang Lv
- Center for Mitochondrial Biology and MedicineThe Key Laboratory of Biomedical Information Engineering of Ministry of EducationSchool of Life Science and TechnologyXi'an Jiaotong UniversityXi'anShaanxi710049China
| | - Jie Xu
- Center for Mitochondrial Biology and MedicineThe Key Laboratory of Biomedical Information Engineering of Ministry of EducationSchool of Life Science and TechnologyXi'an Jiaotong UniversityXi'anShaanxi710049China
| | - Adi Zheng
- Center for Mitochondrial Biology and MedicineThe Key Laboratory of Biomedical Information Engineering of Ministry of EducationSchool of Life Science and TechnologyXi'an Jiaotong UniversityXi'anShaanxi710049China
| | - Mengqi Zeng
- Center for Mitochondrial Biology and MedicineThe Key Laboratory of Biomedical Information Engineering of Ministry of EducationSchool of Life Science and TechnologyXi'an Jiaotong UniversityXi'anShaanxi710049China
| | - Ke Cao
- Center for Mitochondrial Biology and MedicineThe Key Laboratory of Biomedical Information Engineering of Ministry of EducationSchool of Life Science and TechnologyXi'an Jiaotong UniversityXi'anShaanxi710049China
| | - Xun Wang
- Center for Mitochondrial Biology and MedicineThe Key Laboratory of Biomedical Information Engineering of Ministry of EducationSchool of Life Science and TechnologyXi'an Jiaotong UniversityXi'anShaanxi710049China
| | - Yuting Cui
- Center for Mitochondrial Biology and MedicineThe Key Laboratory of Biomedical Information Engineering of Ministry of EducationSchool of Life Science and TechnologyXi'an Jiaotong UniversityXi'anShaanxi710049China
| | - Hao Li
- Center for Mitochondrial Biology and MedicineThe Key Laboratory of Biomedical Information Engineering of Ministry of EducationSchool of Life Science and TechnologyXi'an Jiaotong UniversityXi'anShaanxi710049China
| | - Meng Yang
- Center for Mitochondrial Biology and MedicineThe Key Laboratory of Biomedical Information Engineering of Ministry of EducationSchool of Life Science and TechnologyXi'an Jiaotong UniversityXi'anShaanxi710049China
| | - Yongping Shao
- Frontier Institute of Science and TechnologyXi'an Jiaotong UniversityXi'anShaanxi710049China
| | - Fang Zhang
- Department of OphthalmologyShanghai General HospitalShanghai Jiao Tong University School of MedicineXi'anShanghai200240China
- National Clinical Research Center for Eye DiseasesShanghai200240China
| | - Xuan Zou
- National & Local Joint Engineering Research Center of Biodiagnosis and BiotherapyThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShannxi710004China
- Shaanxi Provincial Clinical Research Center for Hepatic & Splenic DiseasesThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShannxi710004China
| | - Jiangang Long
- Center for Mitochondrial Biology and MedicineThe Key Laboratory of Biomedical Information Engineering of Ministry of EducationSchool of Life Science and TechnologyXi'an Jiaotong UniversityXi'anShaanxi710049China
| | - Zhihui Feng
- Frontier Institute of Science and TechnologyXi'an Jiaotong UniversityXi'anShaanxi710049China
- National & Local Joint Engineering Research Center of Biodiagnosis and BiotherapyThe Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShannxi710004China
- University of Health and Rehabilitation SciencesQingdaoShandong266071China
| | - Jiankang Liu
- Center for Mitochondrial Biology and MedicineThe Key Laboratory of Biomedical Information Engineering of Ministry of EducationSchool of Life Science and TechnologyXi'an Jiaotong UniversityXi'anShaanxi710049China
- University of Health and Rehabilitation SciencesQingdaoShandong266071China
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Wilson KA, Chamoli M, Hilsabeck TA, Pandey M, Bansal S, Chawla G, Kapahi P. Evaluating the beneficial effects of dietary restrictions: A framework for precision nutrigeroscience. Cell Metab 2021; 33:2142-73. [PMID: 34555343 DOI: 10.1016/j.cmet.2021.08.018] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 08/17/2021] [Accepted: 08/30/2021] [Indexed: 12/12/2022]
Abstract
Dietary restriction (DR) has long been viewed as the most robust nongenetic means to extend lifespan and healthspan. Many aging-associated mechanisms are nutrient responsive, but despite the ubiquitous functions of these pathways, the benefits of DR often vary among individuals and even among tissues within an individual, challenging the aging research field. Furthermore, it is often assumed that lifespan interventions like DR will also extend healthspan, which is thus often ignored in aging studies. In this review, we provide an overview of DR as an intervention and discuss the mechanisms by which it affects lifespan and various healthspan measures. We also review studies that demonstrate exceptions to the standing paradigm of DR being beneficial, thus raising new questions that future studies must address. We detail critical factors for the proposed field of precision nutrigeroscience, which would utilize individualized treatments and predict outcomes using biomarkers based on genotype, sex, tissue, and age.
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Gu H, Yang K, Wu Q, Shen Z, Li X, Sun C. A link between protein acetylation and mitochondrial dynamics under energy metabolism: A comprehensive overview. J Cell Physiol 2021; 236:7926-7937. [PMID: 34101176 DOI: 10.1002/jcp.30461] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 05/06/2021] [Accepted: 05/24/2021] [Indexed: 12/16/2022]
Abstract
Cells adjust mitochondrial morphologies to coordinate between the cellular demand for energy and the availability of resources. Mitochondrial morphology is regulated by the balance between two counteracting mitochondrial processes of fusion and fission. Fission and fusion are dynamic and reversible processes that depend on the coordination of a number of proteins and are primarily regulated by posttranslational modifications. In the mitochondria, more than 20% of proteins are acetylated in proteomic surveys, partly involved in the dynamic regulation of mitochondrial fusion and fission. This article focuses on the molecular mechanism of the mitochondrial dynamics of fusion and fission, and summarizes the related mechanisms and targets of mitochondrial protein acetylation to regulate the mitochondrial dynamics of fusion and fission in energy metabolism.
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Affiliation(s)
- Huihui Gu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Kun Yang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Qiong Wu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China.,Department of Pathophysiology, Qinghai University Medical College, Xining, Qinghai, China
| | - Zhentong Shen
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Xinjian Li
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Chao Sun
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
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Mehrabani S, Bagherniya M, Askari G, Read MI, Sahebkar A. The effect of fasting or calorie restriction on mitophagy induction: a literature review. J Cachexia Sarcopenia Muscle 2020; 11:1447-1458. [PMID: 32856431 PMCID: PMC7749612 DOI: 10.1002/jcsm.12611] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 06/09/2020] [Accepted: 07/07/2020] [Indexed: 12/19/2022] Open
Abstract
Mitochondrial dysfunction can be a major cause of a wide range of age-related diseases. Maintaining the normal homeostasis of mitochondria population plays an important role in ensuring people's health, which is done through the mitophagy process. Among the various stimuli for the onset of mitophagy, caloric restriction (CR) is one of the strongest non-genetic triggers for initiating the mitophagy process. The primary objective of this paper is to review the literature assessing the effect of CR on mitophagy. Medline, Web of Science, Scopus, and Google Scholar databases was searched from inception to 1 August 2019. Reference lists from all selected articles were also examined for additional relevant studies. The evidence regarding the effect of fasting or CR on mitophagy is still limited. In addition, the methodological approaches of the studies are too heterogeneous in terms of types of food restriction, study duration, and targeted tissues. Most of the studies showed that fasting or CR induced mitophagy and mitophagy-related markers such as Binp3 and Parkin. However, some studies demonstrated that mitophagy occurred both in fasting and fed state with no significant differences or may be induced in fed state. Study on the muscle tissue of subjects after exercise showed that mitophagy was upregulated in the fed state. It has been demonstrated that mitophagy in the muscle was lowered in the absence of AMP-dependent kinase and fibroblast growth factor 21 genes, both in fasted and fed conditions. Current evidence overwhelmingly suggests that CR and fasting induce mitophagy and mitophagy-related markers. Based on the current evidence that we reviewed here, it could be concluded that fasting or CR has a promising role as a novel and practical approach in the prevention of age-related diseases without any side effects by inducing mitophagy in different organs of the body. More studies will be required in future to clarify the relationship between food deprivation and mitophagy. Further studies using a variety of different types of CR and fasting states are also warranted to determine the best approach for inducing mitophagy and improving health.
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Affiliation(s)
- Sanaz Mehrabani
- Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.,Department of Clinical Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Bagherniya
- Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.,Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Gholamreza Askari
- Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Morgayn I Read
- Department of Pharmacology, School of Medical Sciences, University of Otago, Dunedin, New Zealand
| | - Amirhossein Sahebkar
- Halal Research Center of IRI, FDA, Tehran, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Polish Mother's Memorial Hospital Research Institute (PMMHRI), Lodz, Poland
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11
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Ramírez-Camacho I, García-Niño W, Flores-García M, Pedraza-Chaverri J, Zazueta C. Alteration of mitochondrial supercomplexes assembly in metabolic diseases. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165935. [DOI: 10.1016/j.bbadis.2020.165935] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 08/10/2020] [Accepted: 08/11/2020] [Indexed: 01/05/2023]
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12
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Chung KW, Chung HY. The Effects of Calorie Restriction on Autophagy: Role on Aging Intervention. Nutrients 2019; 11:nu11122923. [PMID: 31810345 PMCID: PMC6950580 DOI: 10.3390/nu11122923] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 11/23/2019] [Accepted: 11/29/2019] [Indexed: 12/13/2022] Open
Abstract
Autophagy is an important housekeeping process that maintains a proper cellular homeostasis under normal physiologic and/or pathologic conditions. It is responsible for the disposal and recycling of metabolic macromolecules and damaged organelles through broad lysosomal degradation processes. Under stress conditions, including nutrient deficiency, autophagy is substantially activated to maintain proper cell function and promote cell survival. Altered autophagy processes have been reported in various aging studies, and a dysregulated autophagy is associated with various age-associated diseases. Calorie restriction (CR) is regarded as the gold standard for many aging intervention methods. Although it is clear that CR has diverse effects in counteracting aging process, the exact mechanisms by which it modulates those processes are still controversial. Recent advances in CR research have suggested that the activation of autophagy is linked to the observed beneficial anti-aging effects. Evidence showed that CR induced a robust autophagy response in various metabolic tissues, and that the inhibition of autophagy attenuated the anti-aging effects of CR. The mechanisms by which CR modulates the complex process of autophagy have been investigated in depth. In this review, several major advances related to CR’s anti-aging mechanisms and anti-aging mimetics will be discussed, focusing on the modification of the autophagy response.
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Affiliation(s)
- Ki Wung Chung
- College of Pharmacy, Kyungsung University, Busan 48434, Korea
- Correspondence: (K.W.C.); (H.Y.C.); Tel.: +82-51-663-4884 (K.W.C.); +82-51-510-2814 (H.Y.C.)
| | - Hae Young Chung
- College of Pharmacy, Pusan National University, Busan 462414, Korea
- Correspondence: (K.W.C.); (H.Y.C.); Tel.: +82-51-663-4884 (K.W.C.); +82-51-510-2814 (H.Y.C.)
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13
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Abstract
Cardiolipin is a mitochondrial phospholipid with four alkyl chains and two phosphate moieties. Tetramyristoyl cardiolipin (TMCL, (14:0)4CL) monolayers at the air-water interface are characterized by compression isotherms, which show a liquid expanded/liquid condensed phase transition. The phase transition surface pressure πc depends on the composition of the aqueous solution. In a calculation, this is attributed to the electrostatic double layer, which is induced by the head groups of the model membrane, and competitive ion binding. The intrinsic binding constant is large for protons ( KH = 10 L/mol) and small for monovalent cations ( KM (Na+, K+, Cs+) = 10-3 L/mol). The different intrinsic binding constants explain the non-monotonic behavior of πc on increasing the salt concentration: raising the monovalent salt concentration increases πc by charging the TMCL monolayer until 0.1 mol/L, then screening effects dominate and decrease πc by reducing the electrostatic repulsion between lipid head groups. When at fixed 0.15 mol/L NaCl concentration, the concentration of divalent cations is increased, πc decreases. The intrinsic binding constants of divalent cations follow the sequence Sr2+ < Mg2+ < Mn2+ ≈ Zn2+ ≈ Ca2+ ( KD,Ca = 1.2 L/mol). The predictive power of the calculations was tested with different solutions.
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Affiliation(s)
- Renko Kensbock
- Institute of Physics , University of Greifswald , Felix-Hausdorff-Straße 6 , D-17487 Greifswald , Germany
| | - Heiko Ahrens
- Institute of Physics , University of Greifswald , Felix-Hausdorff-Straße 6 , D-17487 Greifswald , Germany
| | - Christiane A Helm
- Institute of Physics , University of Greifswald , Felix-Hausdorff-Straße 6 , D-17487 Greifswald , Germany
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14
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Vercesi AE, Castilho RF, Kowaltowski AJ, de Oliveira HCF, de Souza-Pinto NC, Figueira TR, Busanello ENB. Mitochondrial calcium transport and the redox nature of the calcium-induced membrane permeability transition. Free Radic Biol Med 2018; 129:1-24. [PMID: 30172747 DOI: 10.1016/j.freeradbiomed.2018.08.034] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 08/16/2018] [Accepted: 08/28/2018] [Indexed: 12/16/2022]
Abstract
Mitochondria possess a Ca2+ transport system composed of separate Ca2+ influx and efflux pathways. Intramitochondrial Ca2+ concentrations regulate oxidative phosphorylation, required for cell function and survival, and mitochondrial redox balance, that participates in a myriad of signaling and damaging pathways. The interaction between Ca2+ accumulation and redox imbalance regulates opening and closing of a highly regulated inner membrane pore, the membrane permeability transition pore (PTP). In this review, we discuss the regulation of the PTP by mitochondrial oxidants, reactive nitrogen species, and the interactions between these species and other PTP inducers. In addition, we discuss the involvement of mitochondrial redox imbalance and PTP in metabolic conditions such as atherogenesis, diabetes, obesity and in mtDNA stability.
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Affiliation(s)
- Anibal E Vercesi
- Departamento de Patologia Clínica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, SP, Brazil.
| | - Roger F Castilho
- Departamento de Patologia Clínica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, SP, Brazil
| | - Alicia J Kowaltowski
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Helena C F de Oliveira
- Departamento de Biologia Estrutural e Funcional, Instituto de Biologia, Universidade Estadual de Campinas, SP, Brazil
| | - Nadja C de Souza-Pinto
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Tiago R Figueira
- Escola de Educação Física e Esporte de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil
| | - Estela N B Busanello
- Departamento de Patologia Clínica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, SP, Brazil
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15
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Bagherniya M, Butler AE, Barreto GE, Sahebkar A. The effect of fasting or calorie restriction on autophagy induction: A review of the literature. Ageing Res Rev 2018; 47:183-197. [PMID: 30172870 DOI: 10.1016/j.arr.2018.08.004] [Citation(s) in RCA: 159] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 08/22/2018] [Accepted: 08/24/2018] [Indexed: 12/13/2022]
Abstract
Autophagy is a lysosomal degradation process and protective housekeeping mechanism to eliminate damaged organelles, long-lived misfolded proteins and invading pathogens. Autophagy functions to recycle building blocks and energy for cellular renovation and homeostasis, allowing cells to adapt to stress. Modulation of autophagy is a potential therapeutic target for a diverse range of diseases, including metabolic conditions, neurodegenerative diseases, cancers and infectious diseases. Traditionally, food deprivation and calorie restriction (CR) have been considered to slow aging and increase longevity. Since autophagy inhibition attenuates the anti-aging effects of CR, it has been proposed that autophagy plays a substantive role in CR-mediated longevity. Among several stress stimuli inducers of autophagy, fasting and CR are the most potent non-genetic autophagy stimulators, and lack the undesirable side effects associated with alternative interventions. Despite the importance of autophagy, the evidence connecting fasting or CR with autophagy promotion has not previously been reviewed. Therefore, our objective was to weigh the evidence relating the effect of CR or fasting on autophagy promotion. We conclude that both fasting and CR have a role in the upregulation of autophagy, the evidence overwhelmingly suggesting that autophagy is induced in a wide variety of tissues and organs in response to food deprivation.
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Affiliation(s)
- Mohammad Bagherniya
- Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Alexandra E Butler
- Diabetes Research Center, Qatar Biomedical Research Institute, Doha, Qatar
| | - George E Barreto
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia; Instituto de Ciencias Biomédicas, Universidad Autónoma de Chile, Santiago, Chile
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, 9177948564, Iran.
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16
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Schlattner U, Tokarska-Schlattner M, Epand RM, Boissan M, Lacombe ML, Kagan VE. NME4/nucleoside diphosphate kinase D in cardiolipin signaling and mitophagy. J Transl Med 2018; 98:228-32. [PMID: 29035377 DOI: 10.1038/labinvest.2017.113] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Revised: 08/09/2017] [Accepted: 08/10/2017] [Indexed: 01/12/2023] Open
Abstract
Mitophagy is an emerging paradigm for mitochondrial quality control and cell homeostasis. Dysregulation of mitophagy can lead to human pathologies such as neurodegenerative disorders and contributes to the aging process. Complex protein signaling cascades have been described that regulate mitophagy. We have identified a novel lipid signaling pathway that involves the phospholipid cardiolipin (CL). CL is synthesized and normally confined at the inner mitochondrial membrane. However, upon a mitophagic trigger, ie, collapse of the inner membrane potential, CL is rapidly externalized to the mitochondrial surface with the assistance of the hexameric nucleoside diphosphate kinase D (NME4, NDPK-D, or NM23-H4). In addition to its NDP kinase activity, NME4/NDPK-D shows intermembrane phospholipid transfer activity in vitro and in cellular systems, which relies on NME4/NDPK-D interaction with CL, CL-dependent crosslinking of inner and outer mitochondrial membranes by symmetrical, hexameric NME4/NDPK-D, and a putative NME4/NDPK-D-based CL-transfer pathway. CL exposed at the mitochondrial surface then serves as an 'eat me' signal for the mitophagic machinery; it is recognized by the LC3 receptor of autophagosomes, targeting the dysfunctional mitochondrion to lysosomal degradation. Similar NME4-supported CL externalization is likely also involved in apoptosis and inflammatory reactions.
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Luévano-Martínez LA, Kowaltowski AJ. Topological characterization of the mitochondrial phospholipid scramblase 3. FEBS Lett 2017; 591:4056-4066. [DOI: 10.1002/1873-3468.12917] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 11/10/2017] [Accepted: 11/13/2017] [Indexed: 12/18/2022]
Affiliation(s)
- Luis Alberto Luévano-Martínez
- Departamento de Parasitologia; Instituto de Ciências Biomédicas; Universidade de São Paulo; Brazil
- Departamento de Bioquímica; Instituto de Química; Universidade de São Paulo; Brazil
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18
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Menezes-Filho SL, Amigo I, Prado FM, Ferreira NC, Koike MK, Pinto IFD, Miyamoto S, Montero EFS, Medeiros MHG, Kowaltowski AJ. Caloric restriction protects livers from ischemia/reperfusion damage by preventing Ca 2+-induced mitochondrial permeability transition. Free Radic Biol Med 2017. [PMID: 28642067 DOI: 10.1016/j.freeradbiomed.2017.06.013] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Caloric restriction (CR) promotes lifespan extension and protects against many pathological conditions, including ischemia/reperfusion injury to the brain, heart and kidney. In the liver, ischemia/reperfusion damage is related to excessive mitochondrial Ca2+ accumulation, leading to the mitochondrial permeability transition. Indeed, liver mitochondria isolated from animals maintained on CR for 4 months were protected against permeability transition and capable of taking up Ca2+ at faster rates and in larger quantities. These changes were not related to modifications in mitochondrial respiratory activity, but rather to a higher proportion of ATP relative to ADP in CR liver mitochondria. Accordingly, both depletion of mitochondrial adenine nucleotides and loading mitochondria with exogenous ATP abolished the differences between CR and ad libitum (AL) fed groups. The prevention against permeability transition promoted by CR strongly protected against in vivo liver damage induced by ischemia/reperfusion. Overall, our results show that CR strongly protects the liver against ischemia/reperfusion and uncover a mechanism for this protection, through a yet undescribed diet-induced change in liver mitochondrial Ca2+ handling related to elevated intramitochondrial ATP.
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Affiliation(s)
- Sergio L Menezes-Filho
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo, SP, Brazil.
| | - Ignacio Amigo
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo, SP, Brazil.
| | - Fernanda M Prado
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo, SP, Brazil.
| | - Natalie C Ferreira
- Disciplina de Cirurgia Geral e do Trauma, Laboratório de Fisiopatologia Cirúrgica-LIM-62, Faculdade de Medicina, Universidade de São Paulo, SP, Brazil.
| | - Marcia K Koike
- Disciplina de Emergências Clínicas, Laboratório de Emergências Clinicas - LIM-51 - Faculdade de Medicina - Universidade de São Paulo, Brazil.
| | - Isabella F D Pinto
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo, SP, Brazil.
| | - Sayuri Miyamoto
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo, SP, Brazil.
| | - Edna F S Montero
- Disciplina de Cirurgia Geral e do Trauma, Laboratório de Fisiopatologia Cirúrgica-LIM-62, Faculdade de Medicina, Universidade de São Paulo, SP, Brazil.
| | - Marisa H G Medeiros
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo, SP, Brazil.
| | - Alicia J Kowaltowski
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo, SP, Brazil.
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Abstract
Abstract This review is an attempt to compile current knowledge on concepts and transformations that occur naturally in the human body and that characterize what is defined today as biological aging with quality of life and longevity. Many authors define natural aging as a continuous and uninterrupted process, which occurs in the human body causing structural and functional changes, classified as: cumulative, progressive, intrinsic and deleterious (CUPID). Usually these changes begin early in life and culminate in physical death. Genetic, chemical and biochemical changes lead to progressive degeneration of cells, tissues and organs, body systems and the organism as a whole, leading to loss of structures and functions due to aging. All these changes were discussed in some detail in the review here presented. We concluded that aging is not genetically determined, resulting in the accumulation of cellular and tissue damage, particularly in chromatin and DNA within cells, in addition to structural and bioactive proteins that command the general metabolism. Environmental factors such as feeding (nutrition) and lifestyle were also discussed.
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