1
|
Chen D, Tang Q, Song W, He Y. Platelet-derived exosomes alleviate tendon stem/progenitor cell senescence and ferroptosis by regulating AMPK/Nrf2/GPX4 signaling and improve tendon-bone junction regeneration in rats. J Orthop Surg Res 2024; 19:382. [PMID: 38943181 PMCID: PMC11212425 DOI: 10.1186/s13018-024-04869-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Accepted: 06/21/2024] [Indexed: 07/01/2024] Open
Abstract
BACKGROUND Tendon stem/progenitor cell (TSPC) senescence contributes to tendon degeneration and impaired tendon repair, resulting in age-related tendon disorders. Ferroptosis, a unique iron-dependent form of programmed cell death, might participate in the process of senescence. However, whether ferroptosis plays a role in TSPC senescence and tendon regeneration remains unclear. Recent studies reported that Platelet-derived exosomes (PL-Exos) might provide significant advantages in musculoskeletal regeneration and inflammation regulation. The effects and mechanism of PL-Exos on TSPC senescence and tendon regeneration are worthy of further study. METHODS Herein, we examined the role of ferroptosis in the pathogenesis of TSPC senescence. PL-Exos were isolated and determined by TEM, particle size analysis, western blot and mass spectrometry identification. We investigated the function and underlying mechanisms of PL-Exos in TSPC senescence and ferroptosis via western blot, real-time quantitative polymerase chain reaction, and immunofluorescence analysis in vitro. Tendon regeneration was evaluated by HE staining, Safranin-O staining, and biomechanical tests in a rotator cuff tear model in rats. RESULTS We discovered that ferroptosis was involved in senescent TSPCs. Furthermore, PL-Exos mitigated the aging phenotypes and ferroptosis of TSPCs induced by t-BHP and preserved their proliferation and tenogenic capacity. The in vivo animal results indicated that PL-Exos improved tendon-bone healing properties and mechanical strength. Mechanistically, PL-Exos activated AMPK phosphorylation and the downstream nuclear factor erythroid 2-related factor 2 (Nrf2)/glutathione peroxidase 4 (GPX4) signaling pathway, leading to the suppression of lipid peroxidation. AMPK inhibition or GPX4 inhibition blocked the protective effect of PL-Exos against t-BHP-induced ferroptosis and senescence. CONCLUSION In conclusion, ferroptosis might play a crucial role in TSPC aging. AMPK/Nrf2/GPX4 activation by PL-Exos was found to inhibit ferroptosis, consequently leading to the suppression of senescence in TSPCs. Our results provided new theoretical evidence for the potential application of PL-Exos to restrain tendon degeneration and promote tendon regeneration.
Collapse
Affiliation(s)
- Deheng Chen
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University of Medicine, 600 Yishan Road, Shanghai, 200233, China
| | - Qian Tang
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University of Medicine, 600 Yishan Road, Shanghai, 200233, China
| | - Wei Song
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University of Medicine, 600 Yishan Road, Shanghai, 200233, China
| | - Yaohua He
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University of Medicine, 600 Yishan Road, Shanghai, 200233, China.
- Department of Orthopedics, Jinshan Branch of Shanghai Sixth People's Hospital Affiliated to Shanghai University of Medicine & Health Sciences, 147 Jiankang Road, Shanghai, 201503, China.
| |
Collapse
|
2
|
Santos MERAD, Silva KGD, Albuquerque PEDS, Souza SLD, Barros WMA. Letter to the editor: Iron deficiency in pernicious anemia: Specific features of iron deficient patients and preliminary data on response to iron supplementation. Clin Nutr 2024; 43:1329-1330. [PMID: 38677043 DOI: 10.1016/j.clnu.2024.04.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Accepted: 04/19/2024] [Indexed: 04/29/2024]
Affiliation(s)
- Maria Eduarda Rodrigues Alves Dos Santos
- Graduate Program in Neuropsychiatry and Behavioral Sciences, Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235 - University City, Recife - PE, 50670-901, Brazil; Integrated Center of Technologies in Neuroscience (CITENC) - Integrated Center of Technology and Research (CINTEP) - Osman Lins University Center (UNIFACOL), Vitória de Santo Antão, Brazil.
| | - Karollainy Gomes da Silva
- Graduate Program in Neuropsychiatry and Behavioral Sciences, Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235 - University City, Recife - PE, 50670-901, Brazil; Integrated Center of Technologies in Neuroscience (CITENC) - Integrated Center of Technology and Research (CINTEP) - Osman Lins University Center (UNIFACOL), Vitória de Santo Antão, Brazil.
| | - Priscyla Evelyn da Silva Albuquerque
- Integrated Center of Technologies in Neuroscience (CITENC) - Integrated Center of Technology and Research (CINTEP) - Osman Lins University Center (UNIFACOL), Vitória de Santo Antão, Brazil.
| | - Sandra Lopes de Souza
- Graduate Program in Neuropsychiatry and Behavioral Sciences, Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235 - University City, Recife - PE, 50670-901, Brazil.
| | - Waleska Maria Almeida Barros
- Graduate Program in Neuropsychiatry and Behavioral Sciences, Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235 - University City, Recife - PE, 50670-901, Brazil; Integrated Center of Technologies in Neuroscience (CITENC) - Integrated Center of Technology and Research (CINTEP) - Osman Lins University Center (UNIFACOL), Vitória de Santo Antão, Brazil; Department of Physiotherapy, Health Sciences Center, Osman Lins University Center (UNIFACOL), Conceição II Subdivision, Nº 200, Vitória de Santo Antão, PE, Brazil.
| |
Collapse
|
3
|
Qin Y, Pillidge C, Harrison B, Adhikari B. Pathways in formulating foods for the elderly. Food Res Int 2024; 186:114324. [PMID: 38729692 DOI: 10.1016/j.foodres.2024.114324] [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: 02/01/2024] [Revised: 04/11/2024] [Accepted: 04/16/2024] [Indexed: 05/12/2024]
Abstract
The growth of the elderly population worldwide is posing significant challenges to human society. The progressive physical and physiological changes occur with aging, including decreased appetite, incomplete digestion, and reduced absorption of nutrients. A common feature of many elderly people's diets is a deficiency in proteins (especially easily digestible ones) and micronutrients (e.g., vitamins, zinc, iron, and calcium). One of the solutions to this problem is the incorporation of these components into suitably texture-modified foods. There is a dearth of products that meet the needs of the elderly with special medical/health conditions such as dysphagia, osteoporosis, diabetes, and cardiovascular disease, as well as those who are in hospital and palliative care. Future research and development of foods for the elderly must address specific dietary needs of different subgroups of elderly people with underlying health conditions. The existence of different physical and physiological stages of the elderly means that their specific dietary requirements must be considered. This review summarizes current knowledge on nutritional requirements including those with underlying health problems and outlines the research and innovation pathways for developing new foods considering nutrition, texture, flavor, and other sensory aspects.
Collapse
Affiliation(s)
- Yuxin Qin
- School of Science, RMIT University, Melbourne, VIC 3083, Australia.
| | | | | | - Benu Adhikari
- School of Science, RMIT University, Melbourne, VIC 3083, Australia; The Centre for Advanced Materials and Industrial Chemistry (CAMIC), Melbourne, VIC 3083, Australia.
| |
Collapse
|
4
|
Wang Z, Peng J. Impact of serum iron levels on in-hospital mortality and clinical outcomes in patients with ST segment elevation myocardial infarction undergoing emergency percutaneous coronary intervention: a retrospective analysis. Coron Artery Dis 2024:00019501-990000000-00237. [PMID: 38809141 DOI: 10.1097/mca.0000000000001393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
BACKGROUND Despite advances in percutaneous coronary intervention (PCI) for ST segment elevation myocardial infarction (STEMI), in-hospital mortality remains a concern, highlighting the need for the identification of additional risk factors such as serum iron levels. OBJECTIVE This study aims to assess the relationship between serum iron levels and in-hospital mortality among patients with STEMI undergoing emergency PCI. METHODS A total of 685 patients diagnosed with STEMI, treated with emergency PCI between January 2020 and June 2023, were included in this retrospective observational study. Participants were categorized based on serum iron levels into a low serum iron group (Fe <7.8 μmol/L) and a control group (Fe ≥7.8 μmol/L). Clinical and biochemical variables were compared between the groups. Univariate and multivariate logistic regression analyses were performed to identify independent risk factors for in-hospital mortality. RESULTS The low serum iron group demonstrated significantly higher in-hospital mortality rates (9.3 vs. 1.0%, P < 0.05) compared with the control group. Multivariate logistic regression revealed that a left ventricular ejection fraction less than 40% upon admission [odds ratio (OR), 8.01; 95% confidence interval (CI), 1.230-52.173; P = 0.029], the occurrence of no-reflow during PCI (OR, 7.13; 95% CI, 1.311-38.784; P = 0.023), and serum iron levels below 7.8 μmol/L (OR, 11.32; 95% CI, 2.345-54.640; P = 0.003) were independent risk factors for in-hospital mortality. CONCLUSION Low serum iron levels are associated with increased in-hospital mortality in patients with STEMI undergoing emergency PCI. Serum iron levels may serve as an independent prognostic marker and could inform risk stratification and therapeutic targeting in this patient population.
Collapse
Affiliation(s)
- Zuoyan Wang
- Department of Cardiology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | | |
Collapse
|
5
|
Wan X, Li C, Tan YH, Zuo SQ, Deng FM, Sun J, Liu YL. Dihydroartemisinin eliminates senescent cells by promoting autophagy-dependent ferroptosis via AMPK/mTOR signaling pathway. Cell Biol Int 2024; 48:726-736. [PMID: 38439187 DOI: 10.1002/cbin.12143] [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: 10/06/2023] [Revised: 12/30/2023] [Accepted: 02/11/2024] [Indexed: 03/06/2024]
Abstract
Cellular senescence is an irreversible cell-cycle arrest in response to a variety of cellular stresses, which contribute to the pathogenesis of a variety of age-related degenerative diseases. However, effective antisenescence strategies are still lacking. Drugs that selectively target senescent cells represent an intriguing therapeutic strategy to delay aging and age-related diseases. Thus, we thought to investigate the effects of dihydroartemisinin (DHA) on senescent cells and elucidated its mechanisms underlying aging. Stress-induced premature senescence (SIPS) model was built in NIH3T3 cells using H2O2 and evaluated by β-galactosidase staining. Cells were exposed to DHA and subjected to cellular activity assays including viability, ferroptosis, and autophagy. The number of microtubule-associated protein light-chain 3 puncta was detected by immunofluorescence staining. The iron content was assessed by spectrophotometer and intracellular reactive oxygen species (ROS) was measured by fluorescent probe dichlorodihydrofluorescein diacetate. We found that DHA triggered senescent cell death via ferroptosis. DHA accelerated ferritin degradation via promoting autophagy, increasing the iron contents, promoting ROS accumulation, thus leading to ferroptotic cell death in SIPS cells. In addition, autophagy inhibitor BafA1 preconditioning inhibited ferroptosis induced by DHA. Moreover, Atg5 silencing and autophagy inhibitor BafA1 preconditioning inhibited ferroptosis induced by DHA. We also revealed that the expression of p-AMP-activated protein kinase (AMPK) and p-mammalian target of rapamycin (mTOR) in senescent cells was downregulated. These results suggested that DHA may be a promising drug candidate for clearing senescent cells by inducing autophagy-dependent ferroptosis via AMPK/mTOR signaling pathway.
Collapse
Affiliation(s)
- Xing Wan
- Department of Pediatrics, School of Clinical Medicine, Southwest Medical University, Luzhou, China
- Department of Pediatrics, Chengdu Third People's Hospital, Chengdu, Sichuan, China
| | - Can Li
- Deep Underground Space Medical Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yue Hao Tan
- Department of Inspection Technology, Sichuan Nursing Vocational College, Chengdu, China
| | - Shi Qi Zuo
- Cancer Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Feng Mei Deng
- Department of Pathology and Pathophysiology, Chengdu Medical College, Chengdu, China
| | - Jing Sun
- Department of Pathology and Pathophysiology, Chengdu Medical College, Chengdu, China
| | - Yi Lun Liu
- Department of Clinical Medicine, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
| |
Collapse
|
6
|
Zeidan RS, Martenson M, Tamargo JA, McLaren C, Ezzati A, Lin Y, Yang JJ, Yoon HS, McElroy T, Collins JF, Leeuwenburgh C, Mankowski RT, Anton S. Iron homeostasis in older adults: balancing nutritional requirements and health risks. J Nutr Health Aging 2024; 28:100212. [PMID: 38489995 DOI: 10.1016/j.jnha.2024.100212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 03/17/2024]
Abstract
Iron plays a crucial role in many physiological processes, including oxygen transport, bioenergetics, and immune function. Iron is assimilated from food and also recycled from senescent red blood cells. Iron exists in two dietary forms: heme (animal based) and non-heme (mostly plant based). The body uses iron for metabolic purposes, and stores the excess mainly in splenic and hepatic macrophages. Physiologically, iron excretion in humans is inefficient and not highly regulated, so regulation of intestinal absorption maintains iron homeostasis. Iron losses occur at a steady rate via turnover of the intestinal epithelium, blood loss, and exfoliation of dead skin cells, but overall iron homeostasis is tightly controlled at cellular and systemic levels. Aging can have a profound impact on iron homeostasis and induce a dyshomeostasis where iron deficiency or overload (sometimes both simultaneously) can occur, potentially leading to several disorders and pathologies. To maintain physiologically balanced iron levels, reduce risk of disease, and promote healthy aging, it is advisable for older adults to follow recommended daily intake guidelines and periodically assess iron levels. Clinicians can evaluate body iron status using different techniques but selecting an assessment method primarily depends on the condition being examined. This review provides a comprehensive overview of the forms, sources, and metabolism of dietary iron, associated disorders of iron dyshomeostasis, assessment of iron levels in older adults, and nutritional guidelines and strategies to maintain iron balance in older adults.
Collapse
Affiliation(s)
- Rola S Zeidan
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, USA; Department of Health Outcomes and Biomedical Informatics, College of Medicine, University of Florida, Gainesville, Florida, USA
| | - Matthew Martenson
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Javier A Tamargo
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Christian McLaren
- Department of Clinical and Health Psychology, College of Health and Health Professions, University of Florida, Gainesville, Florida, USA
| | - Armin Ezzati
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, USA; Department of Food, Nutrition, Dietetics and Health, Kansas State University, Manhattan, KS, USA
| | - Yi Lin
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Jae Jeong Yang
- UF Health Cancer Center, Gainesville, FL, USA; Department of Surgery, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Hyung-Suk Yoon
- UF Health Cancer Center, Gainesville, FL, USA; Department of Surgery, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Taylor McElroy
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, USA; Department of Health Outcomes and Biomedical Informatics, College of Medicine, University of Florida, Gainesville, Florida, USA
| | - James F Collins
- Department of Food Science & Human Nutrition, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL, USA
| | - Christiaan Leeuwenburgh
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Robert T Mankowski
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Stephen Anton
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, USA; Department of Clinical and Health Psychology, College of Health and Health Professions, University of Florida, Gainesville, Florida, USA.
| |
Collapse
|
7
|
Vialaret J, Vignon M, Hirtz C, Badiou S, Baptista G, Fichter L, Dupuy AM, Maceski AM, Fayolle M, Brousse M, Cristol JP, Jeandel C, Lehmann S. Use of dried blood spots for monitoring inflammatory and nutritional biomarkers in the elderly. Clin Chem Lab Med 2024; 62:881-890. [PMID: 37999931 DOI: 10.1515/cclm-2023-0312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 11/01/2023] [Indexed: 11/25/2023]
Abstract
OBJECTIVES Blood microsampling, particularly dried blood spots (DBSs), is an attractive minimally-invasive approach that is well suited for home sampling and predictive medicine associated with longitudinal follow-up of the elderly. However, in vitro diagnostic quantification of biomarkers from DBS poses a major challenge. Clinical mass spectrometry can reliably quantify blood proteins in various research projects. Our goal here was to use mass spectrometry of DBS in a real-world clinical setting and compared it to the standard immunoassay method. We also sought to correlate DBS mass spectrometry measurements with clinical indices. METHODS A clinical trial of diagnostic equivalence was conducted to compare conventional venous samples quantified by immunoassay and DBSs quantified by mass spectrometry in an elderly population. We assayed three protein biomarkers of nutritional and inflammatory status: prealbumin (transthyretin), C-reactive protein, and transferrin. RESULTS The analysis of DBSs showed satisfactory variability and low detection limits. Statistical analysis confirmed that the two methods give comparable results at clinical levels of accuracy. In conclusion, we demonstrated, in a real-life setting, that DBSs can be used to measure prealbumin, CRP and transferrin, which are commonly used markers of nutritional status and inflammation in the elderly. However, there was no correlation with patient frailty for these proteins. CONCLUSIONS Early detection and regular monitoring of nutritional and inflammatory problems using DBS appear to be clinically feasible. This could help resolve major public health challenges in the elderly for whom frailty leads to serious risks of health complications.
Collapse
Affiliation(s)
- Jérôme Vialaret
- LBPC-PPC, Univ Montpellier, CHU Montpellier, INM INSERM, Montpellier, France
| | - Margaux Vignon
- LBPC-PPC, Univ Montpellier, CHU Montpellier, INM INSERM, Montpellier, France
| | - Christophe Hirtz
- LBPC-PPC, Univ Montpellier, CHU Montpellier, INM INSERM, Montpellier, France
| | - Stéphanie Badiou
- Department of Biochemistry and Hormonology, Univ Montpellier, CHU Montpellier, INSERM, Montpellier, France
| | - Gregory Baptista
- Centre de gérontologie clinique Antonin-Balmès, Univ Montpellier, CHU Montpellier, Montpellier, France
| | - Laura Fichter
- LBPC-PPC, Univ Montpellier, CHU Montpellier, INM INSERM, Montpellier, France
| | - Anne-Marie Dupuy
- Department of Biochemistry and Hormonology, Univ Montpellier, CHU Montpellier, INSERM, Montpellier, France
| | | | - Martin Fayolle
- LBPC-PPC, Univ Montpellier, CHU Montpellier, INM INSERM, Montpellier, France
- Department of Biochemistry and Hormonology, Univ Montpellier, CHU Montpellier, INSERM, Montpellier, France
| | - Mehdi Brousse
- LBPC-PPC, Univ Montpellier, CHU Montpellier, INM INSERM, Montpellier, France
- Department of Biochemistry and Hormonology, Univ Montpellier, CHU Montpellier, INSERM, Montpellier, France
| | - Jean-Paul Cristol
- Department of Biochemistry and Hormonology, Univ Montpellier, CHU Montpellier, INSERM, Montpellier, France
| | - Claude Jeandel
- Centre de gérontologie clinique Antonin-Balmès, Univ Montpellier, CHU Montpellier, Montpellier, France
| | - Sylvain Lehmann
- LBPC-PPC, Univ Montpellier, CHU Montpellier, INM INSERM, Montpellier, France
| |
Collapse
|
8
|
Yehia A, Abulseoud OA. Melatonin: a ferroptosis inhibitor with potential therapeutic efficacy for the post-COVID-19 trajectory of accelerated brain aging and neurodegeneration. Mol Neurodegener 2024; 19:36. [PMID: 38641847 PMCID: PMC11031980 DOI: 10.1186/s13024-024-00728-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 04/15/2024] [Indexed: 04/21/2024] Open
Abstract
The unprecedented pandemic of COVID-19 swept millions of lives in a short period, yet its menace continues among its survivors in the form of post-COVID syndrome. An exponentially growing number of COVID-19 survivors suffer from cognitive impairment, with compelling evidence of a trajectory of accelerated aging and neurodegeneration. The novel and enigmatic nature of this yet-to-unfold pathology demands extensive research seeking answers for both the molecular underpinnings and potential therapeutic targets. Ferroptosis, an iron-dependent cell death, is a strongly proposed underlying mechanism in post-COVID-19 aging and neurodegeneration discourse. COVID-19 incites neuroinflammation, iron dysregulation, reactive oxygen species (ROS) accumulation, antioxidant system repression, renin-angiotensin system (RAS) disruption, and clock gene alteration. These events pave the way for ferroptosis, which shows its signature in COVID-19, premature aging, and neurodegenerative disorders. In the search for a treatment, melatonin shines as a promising ferroptosis inhibitor with its repeatedly reported safety and tolerability. According to various studies, melatonin has proven efficacy in attenuating the severity of certain COVID-19 manifestations, validating its reputation as an anti-viral compound. Melatonin has well-documented anti-aging properties and combating neurodegenerative-related pathologies. Melatonin can block the leading events of ferroptosis since it is an efficient anti-inflammatory, iron chelator, antioxidant, angiotensin II antagonist, and clock gene regulator. Therefore, we propose ferroptosis as the culprit behind the post-COVID-19 trajectory of aging and neurodegeneration and melatonin, a well-fitting ferroptosis inhibitor, as a potential treatment.
Collapse
Affiliation(s)
- Asmaa Yehia
- Department of Neuroscience, Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine, Phoenix, AZ, 58054, USA
- Department of Medical Physiology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Osama A Abulseoud
- Department of Neuroscience, Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine, Phoenix, AZ, 58054, USA.
- Department of Psychiatry and Psychology, Mayo Clinic Arizona, 5777 E Mayo Blvd, Phoenix, AZ, 85054, USA.
| |
Collapse
|
9
|
Klemmensen MM, Borrowman SH, Pearce C, Pyles B, Chandra B. Mitochondrial dysfunction in neurodegenerative disorders. Neurotherapeutics 2024; 21:e00292. [PMID: 38241161 PMCID: PMC10903104 DOI: 10.1016/j.neurot.2023.10.002] [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: 09/02/2023] [Accepted: 10/07/2023] [Indexed: 01/21/2024] Open
Abstract
Recent advances in understanding the role of mitochondrial dysfunction in neurodegenerative diseases have expanded the opportunities for neurotherapeutics targeting mitochondria to alleviate symptoms and slow disease progression. In this review, we offer a historical account of advances in mitochondrial biology and neurodegenerative disease. Additionally, we summarize current knowledge of the normal physiology of mitochondria and the pathogenesis of mitochondrial dysfunction, the role of mitochondrial dysfunction in neurodegenerative disease, current therapeutics and recent therapeutic advances, as well as future directions for neurotherapeutics targeting mitochondrial function. A focus is placed on reactive oxygen species and their role in the disruption of telomeres and their effects on the epigenome. The effects of mitochondrial dysfunction in the etiology and progression of Alzheimer's disease, amyotrophic lateral sclerosis, Parkinson's disease, and Huntington's disease are discussed in depth. Current clinical trials for mitochondria-targeting neurotherapeutics are discussed.
Collapse
Affiliation(s)
- Madelyn M Klemmensen
- University of Iowa Roy J and Lucille A Carver College of Medicine, Iowa City, IA 52242, USA
| | - Seth H Borrowman
- Division of Medical Genetics and Genomics, Stead Family Department of Pediatrics, University of Iowa Hospitals and Clinics, Iowa City, IA 52242, USA
| | - Colin Pearce
- Division of Medical Genetics and Genomics, Stead Family Department of Pediatrics, University of Iowa Hospitals and Clinics, Iowa City, IA 52242, USA
| | - Benjamin Pyles
- Aper Funis Research, Union River Innovation Center, Ellsworth, ME 04605, USA
| | - Bharatendu Chandra
- University of Iowa Roy J and Lucille A Carver College of Medicine, Iowa City, IA 52242, USA; Division of Medical Genetics and Genomics, Stead Family Department of Pediatrics, University of Iowa Hospitals and Clinics, Iowa City, IA 52242, USA.
| |
Collapse
|
10
|
Kordi N, Saydi A, Karami S, Bagherzadeh-Rahmani B, Marzetti E, Jung F, Stockwell BR. Ferroptosis and aerobic training in ageing. Clin Hemorheol Microcirc 2024; 87:347-366. [PMID: 38306027 DOI: 10.3233/ch-232076] [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] [Indexed: 02/03/2024]
Abstract
Ferroptosis is a form of programmed cell death that plays a significant role in causing several diseases such as heart attack and heart failure, through alterations in fat, amino acid, and iron metabolism. Comprehending the regulatory mechanisms of ferroptosis signaling is critical because it has a considerable effect on the elderly's mortality. Conversely, age-related changes in substrate metabolism and metabolite levels are recognized to give rise to obesity. Furthermore, research has proposed that aging and obesity-related changes in substrate metabolism may aggravate ferroptosis. The suppression of ferroptosis holds potential as a successful therapeutic approach for managing different diseases, including sarcopenia, cardiovascular diseases, and central nervous system diseases. However, the pathologic and biological mechanisms behind the function of ferroptosis are not fully comprehended yet. Physical activity could affect lipid, amino acid, and iron metabolism to modulate ferroptosis. The aim of this study is to showcase the current understanding of the molecular mechanisms leading to ferroptosis and discuss the role of aging and physical activity in this phenomenon.
Collapse
Affiliation(s)
- Negin Kordi
- Department of Exercise Physiology, Faculty of Sport Sciences, Razi University, Kermanshah, Iran
| | - Ali Saydi
- Department of Exercise Physiology, Faculty of Sport Sciences, Razi University, Kermanshah, Iran
| | - Sajad Karami
- Faculty of Physical Education and Sport Science, Shahid Rajaee Teacher Training University, Tehran, Iran
| | - Behnam Bagherzadeh-Rahmani
- Department of Exercise Physiology, Faculty of Sport Sciences, Hakim Sabzevari University, Sabzevar, Iran
| | - Emanuele Marzetti
- Department of Geriatrics and Orthopedics, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Friedrich Jung
- Faculty of Health Sciences Brandenburg, Brandenburg University of Technology Cottbus-Senftenberg, Senftenberg, Germany
| | - Brent R Stockwell
- Department of Chemistry, Columbia University, NewYork, NY, USA
- Department of Biological Sciences, Columbia University, New York, NY, USA
| |
Collapse
|
11
|
Huang JH, Li RH, Tsai LC. Dual nature of ferritin for hematologic, liver functional, and metabolic parameters in older diabetic patients. Sci Rep 2023; 13:20207. [PMID: 37980447 PMCID: PMC10657432 DOI: 10.1038/s41598-023-47678-5] [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: 07/08/2023] [Accepted: 11/16/2023] [Indexed: 11/20/2023] Open
Abstract
This study explored the association between ferritin with hematologic, liver functional, and metabolic parameters in older diabetic patients. A total of 210 diabetic patients aged 65 or older were classified into four groups according to the reference range of serum ferritin. Demographic variables and health-related lifestyle factors were obtained through the utilization of a standardized questionnaire. Anthropometric measures, blood pressure, hematology test, and biochemical assessment were also performed. Among all patients, 29.5% had anemia. The percentage of anemia in groups low ferritin (< 40 μg/L), lower side within the reference range (40-120 μg/L), higher side within the reference range (121-200 μg/L), and high ferritin levels (> 200 μg/L) were 50.0, 27.7, 20.5, and 24.2% (P = 0.025), respectively. Low ferritin levels had a higher risk of anemia and a high red blood cell distribution width (RDW). High ferritin levels were associated with a higher risk of high glutamate pyruvate transaminase, obesity, high fasting blood glucose (FBG), and high postprandial blood glucose. The higher side within the reference range of ferritin also showed a higher risk of high FBG and high glycated hemoglobin. Nevertheless, there was no significant association between ferritin and inflammation marker, serum lipids or blood pressure. Overall, ferritin demonstrates a dual nature in older diabetic patients: low ferritin levels are linked to anemia or elevated RDW, while high levels are linked to obesity, increased liver enzymes, and worse glycemia control.
Collapse
Affiliation(s)
- Jui-Hua Huang
- Department of Golden-Ager Industry Management, Chaoyang University of Technology, Taichung, 413, Taiwan
| | - Ren-Hau Li
- Department of Psychology, Chung Shan Medical University, Taichung, 402, Taiwan
| | - Leih-Ching Tsai
- Division of Endocrine and Metabolism, Department of Internal Medicine, Erlin-Branch, Changhua Christian Hospital, Changhua, Taiwan.
| |
Collapse
|
12
|
Yang W, Kim DM, Jiang W, Ai W, Pan Q, Rahman S, Cai JJ, Brashear WA, Sun Y, Guo S. Suppression of FOXO1 attenuates inflamm-aging and improves liver function during aging. Aging Cell 2023; 22:e13968. [PMID: 37602516 PMCID: PMC10577549 DOI: 10.1111/acel.13968] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 08/04/2023] [Indexed: 08/22/2023] Open
Abstract
The liver is a key metabolic organ that maintains whole-body nutrient homeostasis. Aging-induced liver function alterations contribute to systemic susceptibility to aging-related diseases. However, the molecular mechanisms of liver aging remain insufficiently understood. In this study, we performed bulk RNA-Seq and single-cell RNA-Seq analyses to investigate the underlying mechanisms of the aging-induced liver function changes. We found that liver inflammation, glucose intolerance, and liver fat deposition were aggravated in old mice. Aging significantly increased pro-inflammation in hepatic macrophages. Furthermore, we found that Kupffer cells (KCs) were the major driver to induce pro-inflammation in hepatic macrophages during aging. In KCs, aging significantly increased pro-inflammatory levels; in monocyte-derived macrophages (MDMs), aging had a limited effect on pro-inflammation but led to a functional quiescence in antigen presentation and phagosome process. In addition, we identified an aging-responsive KC-specific (ARKC) gene set that potentially mediates aging-induced pro-inflammation in KCs. Interestingly, FOXO1 activity was significantly increased in the liver of old mice. FOXO1 inhibition by AS1842856 significantly alleviated glucose intolerance, hepatic steatosis, and systemic inflammation in old mice. FOXO1 inhibition significantly attenuated aging-induced pro-inflammation in KCs partially through downregulation of ARKC genes. However, FOXO1 inhibition had a limited effect on aging-induced functional quiescence in MDMs. These results indicate that aging induces pro-inflammation in liver mainly through targeting KCs and FOXO1 is a key player in aging-induced pro-inflammation in KCs. Thus, FOXO1 could be a potential therapeutic target for the treatment of age-associated chronic diseases.
Collapse
Affiliation(s)
- Wanbao Yang
- Department of Nutrition, College of Agriculture and Life SciencesTexas A&M UniversityCollege StationTexasUSA
| | - Da Mi Kim
- Department of Nutrition, College of Agriculture and Life SciencesTexas A&M UniversityCollege StationTexasUSA
| | - Wen Jiang
- Department of Nutrition, College of Agriculture and Life SciencesTexas A&M UniversityCollege StationTexasUSA
| | - Weiqi Ai
- Department of Nutrition, College of Agriculture and Life SciencesTexas A&M UniversityCollege StationTexasUSA
| | - Quan Pan
- Department of Nutrition, College of Agriculture and Life SciencesTexas A&M UniversityCollege StationTexasUSA
| | - Shahina Rahman
- Department of StatisticsTexas A&M UniversityCollege StationTexasUSA
| | - James J. Cai
- Department of Veterinary Integrative BiosciencesTexas A&M UniversityCollege StationTexasUSA
| | - Wesley A. Brashear
- High Performance Research ComputingTexas A&M UniversityCollege StationTexasUSA
| | - Yuxiang Sun
- Department of Nutrition, College of Agriculture and Life SciencesTexas A&M UniversityCollege StationTexasUSA
| | - Shaodong Guo
- Department of Nutrition, College of Agriculture and Life SciencesTexas A&M UniversityCollege StationTexasUSA
| |
Collapse
|
13
|
Skalny AV, Aschner M, Silina EV, Stupin VA, Zaitsev ON, Sotnikova TI, Tazina SI, Zhang F, Guo X, Tinkov AA. The Role of Trace Elements and Minerals in Osteoporosis: A Review of Epidemiological and Laboratory Findings. Biomolecules 2023; 13:1006. [PMID: 37371586 DOI: 10.3390/biom13061006] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/07/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
The objective of the present study was to review recent epidemiological and clinical data on the association between selected minerals and trace elements and osteoporosis, as well as to discuss the molecular mechanisms underlying these associations. We have performed a search in the PubMed-Medline and Google Scholar databases using the MeSH terms "osteoporosis", "osteogenesis", "osteoblast", "osteoclast", and "osteocyte" in association with the names of particular trace elements and minerals through 21 March 2023. The data demonstrate that physiological and nutritional levels of trace elements and minerals promote osteogenic differentiation through the up-regulation of BMP-2 and Wnt/β-catenin signaling, as well as other pathways. miRNA and epigenetic effects were also involved in the regulation of the osteogenic effects of trace minerals. The antiresorptive effect of trace elements and minerals was associated with the inhibition of osteoclastogenesis. At the same time, the effect of trace elements and minerals on bone health appeared to be dose-dependent with low doses promoting an osteogenic effect, whereas high doses exerted opposite effects which promoted bone resorption and impaired bone formation. Concomitant with the results of the laboratory studies, several clinical trials and epidemiological studies demonstrated that supplementation with Zn, Mg, F, and Sr may improve bone quality, thus inducing antiosteoporotic effects.
Collapse
Affiliation(s)
- Anatoly V Skalny
- Laboratory of Ecobiomonitoring and Quality Control, Yaroslavl State University, 150003 Yaroslavl, Russia
- Center of Bioelementology and Human Ecology, Institute of Biodesign and Modeling of Complex Systems, Department of Therapy of the Institute of Postgraduate Education, IM Sechenov First Moscow State Medical University (Sechenov University), 119435 Moscow, Russia
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Ekaterina V Silina
- Center of Bioelementology and Human Ecology, Institute of Biodesign and Modeling of Complex Systems, Department of Therapy of the Institute of Postgraduate Education, IM Sechenov First Moscow State Medical University (Sechenov University), 119435 Moscow, Russia
| | - Victor A Stupin
- Department of Hospital Surgery No. 1, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
| | - Oleg N Zaitsev
- Department of Physical Education, Yaroslavl State Technical University, 150023 Yaroslavl, Russia
| | - Tatiana I Sotnikova
- Center of Bioelementology and Human Ecology, Institute of Biodesign and Modeling of Complex Systems, Department of Therapy of the Institute of Postgraduate Education, IM Sechenov First Moscow State Medical University (Sechenov University), 119435 Moscow, Russia
- City Clinical Hospital n. a. S.P. Botkin of the Moscow City Health Department, 125284 Moscow, Russia
| | - Serafima Ia Tazina
- Center of Bioelementology and Human Ecology, Institute of Biodesign and Modeling of Complex Systems, Department of Therapy of the Institute of Postgraduate Education, IM Sechenov First Moscow State Medical University (Sechenov University), 119435 Moscow, Russia
| | - Feng Zhang
- Key Laboratory of Trace Elements and Endemic Diseases, National Health and Family Planning Commission, Health Science Center, School of Public Health, Xi'an Jiaotong University, Xi'an 710061, China
| | - Xiong Guo
- Key Laboratory of Trace Elements and Endemic Diseases, National Health and Family Planning Commission, Health Science Center, School of Public Health, Xi'an Jiaotong University, Xi'an 710061, China
| | - Alexey A Tinkov
- Laboratory of Ecobiomonitoring and Quality Control, Yaroslavl State University, 150003 Yaroslavl, Russia
- Center of Bioelementology and Human Ecology, Institute of Biodesign and Modeling of Complex Systems, Department of Therapy of the Institute of Postgraduate Education, IM Sechenov First Moscow State Medical University (Sechenov University), 119435 Moscow, Russia
| |
Collapse
|
14
|
Harahap IA, Kuligowski M, Schmidt M, Suliburska J. The impact of soy products, isoflavones, and Lactobacillus acidophilus on iron status and morphological parameters in healthy female rats. J Trace Elem Med Biol 2023; 78:127183. [PMID: 37120971 DOI: 10.1016/j.jtemb.2023.127183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 04/16/2023] [Accepted: 04/26/2023] [Indexed: 05/02/2023]
Abstract
BACKGROUND Isoflavones and probiotics are two major factors involved in bone health. Osteoporosis and disturbances in iron (Fe) levels are common health problems in aging women. This study aimed to analyze how soybean products, daidzein, genistein, and Lactobacillus acidophilus (LA) affect Fe status and blood morphological parameters in healthy female rats. METHODS A total of 48 Wistar rats aged 3 months were randomly divided into six groups. The control group (K) received a standard diet (AIN 93 M). The remaining five groups received a standard diet supplemented with the following: tempeh flour (TP); soy flour (RS); daidzein and genistein (DG); Lactobacillus acidophilus DSM20079 (LA); as well as a combination of daidzein, genistein, and L. acidophilus DSM20079 (DGLA). After 8 weeks of intervention, blood samples of the rats were collected for morphological analysis, whereas tissue samples were collected and kept at -80 °C until Fe analysis. Red blood cells, hemoglobin, hematocrit, mean corpuscular volume (MCV), mean corpuscular hemoglobin, mean corpuscular hemoglobin concentration, platelets (PLTs), red cell distribution width, white blood cells, neutrophils (NEUT), lymphocytes (LYM), monocytes, eosinophils (EOS), and basophils were measured for blood morphological analysis. Fe concentrations were determined using flame atomic spectrometry. For statistical analysis, an ANOVA test for significance at the 5 % level was used. The relationship between tissue Fe levels and blood morphological parameters was determined using Pearson's correlation. RESULTS Although no significant differences were observed in the Fe content between all diets, the TP group showed significantly higher levels of NEUT and lower levels of LYM than the control group. Compared with the DG and DGLA groups, the TP group showed a dramatically higher PLT level. In addition, the RS group showed significantly higher Fe concentrations in the spleen compared with the standard diet. Compared with the DG, LA, and DGLA groups, the RS group also showed significantly higher Fe concentrations in the liver. Compared with the TP, DG, LA, and DGLA groups, the RS group showed dramatically higher Fe concentrations in the femur. Pearson's correlations between blood morphological parameters and Fe levels in tissues were observed, especially a negative correlation between the Fe level in the femur and the NEUT concentration (-0.465) and a strong positive correlation between the Fe level in the femur and the LYM concentration (0.533). CONCLUSION Soybean flour was found to increase Fe levels in rats, whereas tempeh may alter anti-inflammatory blood parameters. Isoflavones and probiotics did not affect Fe status in healthy female rats.
Collapse
Affiliation(s)
- Iskandar Azmy Harahap
- Department of Human Nutrition and Dietetics, Faculty of Food Science and Nutrition, Poznań University of Life Sciences, Poznań, Poland
| | - Maciej Kuligowski
- Department of Food Technology of Plant Origin, Faculty of Food Science and Nutrition, Poznań University of Life Sciences, Poznań, Poland
| | - Marcin Schmidt
- Department of Biotechnology and Food Microbiology, Faculty of Food Science and Nutrition, Poznań University of Life Sciences, Poznań, Poland
| | - Joanna Suliburska
- Department of Human Nutrition and Dietetics, Faculty of Food Science and Nutrition, Poznań University of Life Sciences, Poznań, Poland.
| |
Collapse
|
15
|
Övermöhle C, Waniek S, Rimbach G, Weber KS, Lieb W. Plasma Ferritin Concentrations in the General Population: A Cross-Sectional Analysis of Anthropometric, Metabolic, and Dietary Correlates. J Nutr 2023; 153:1524-1533. [PMID: 36906150 DOI: 10.1016/j.tjnut.2023.03.008] [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: 12/08/2022] [Revised: 02/28/2023] [Accepted: 03/07/2023] [Indexed: 03/11/2023] Open
Abstract
BACKGROUND Elevated concentrations of ferritin seem to be detrimental to human health while being quite common in the elderly. Data on dietary, anthropometric, and metabolic correlates of circulating ferritin levels in the elderly are scant. OBJECTIVES We aimed to identify a dietary pattern, anthropometric, and metabolic traits associated with plasma ferritin status in an elderly cohort (n = 460, 57% male, age: 66 ± 12 y) from Northern Germany. METHODS Plasma ferritin levels were measured by immunoturbidimetry. Reduced rank regression (RRR) yielded a dietary pattern explaining 13% of the variation in circulating ferritin concentrations. Cross-sectional associations of anthropometric and metabolic traits with plasma ferritin concentrations were assessed using multivariable-adjusted linear regression analysis. Restricted cubic spline regression was used to identify nonlinear associations. RESULTS The RRR pattern was characterized by a high intake of potatoes, certain vegetables, beef, pork, processed meat, fats (frying and animal fat), and beer and a low intake of snacks, representing elements of the traditional German diet. BMI, waist circumference, and CRP were directly, HDL cholesterol inversely, and age nonlinearly associated with plasma ferritin concentrations (all P < 0.05). After additional adjustment for CRP, only the association of ferritin with age remained statistically significant. CONCLUSION Higher plasma ferritin concentrations were associated with a traditional German dietary pattern. The associations of ferritin with unfavorable anthropometric traits and low HDL cholesterol were rendered statistically nonsignificant upon additional adjustment for chronic systemic inflammation (CRP), suggesting that these associations were largely driven by the proinflammatory role of ferritin (an acute-phase reactant). J Nutr 20xx;x:xx.
Collapse
Affiliation(s)
- Cara Övermöhle
- Institute of Epidemiology, Kiel University, Kiel, Germany
| | - Sabina Waniek
- Institute of Epidemiology, Kiel University, Kiel, Germany
| | - Gerald Rimbach
- Institute of Human Nutrition and Food Science, Kiel University, Kiel, Germany
| | | | - Wolfgang Lieb
- Institute of Epidemiology, Kiel University, Kiel, Germany
| |
Collapse
|
16
|
Hardiany NS, Agusta I, Dewi S, Iswanti FC, Paramita R. Protein and Energy Supplements for the Elderly. Subcell Biochem 2023; 103:309-339. [PMID: 37120474 DOI: 10.1007/978-3-031-26576-1_14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
Abstract
The proportion of elderly individuals is rising globally, and data have shown that as high as 8% of the elderly community suffer from malnutrition. Protein energy malnutrition has shown to elevate morbidity and mortality risk in the elderly; therefore, protein and energy supplement are needed for the elderly populations to create healthy conditions. This chapter describes about general structure of protein, protein turnover, amino acid metabolism including metabolism in the elderly, protein change in aging, supplementation of amino acid as well as vitamin and mineral for the elderly. The discussion in this section aims to provide a general description of protein, amino acids, changes in amino acid metabolism in the elderly, and the benefits of supplementing amino acids as well as vitamins and minerals for the elderly.
Collapse
Affiliation(s)
- Novi Silvia Hardiany
- Department of Biochemistry and Molecular Biology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia.
- Center of Hypoxia and Oxidative Stress Studies, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia.
- Molecular Biology and Proteomic Core Facilities, Indonesia Medical Education and Research Institute, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia.
| | - Istiqomah Agusta
- Department of Biochemistry and Molecular Biology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
- Center of Hypoxia and Oxidative Stress Studies, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
| | - Syarifah Dewi
- Department of Biochemistry and Molecular Biology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
- Center of Hypoxia and Oxidative Stress Studies, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
| | - Febriana Catur Iswanti
- Department of Biochemistry and Molecular Biology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
- Center of Hypoxia and Oxidative Stress Studies, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
- Molecular Biology and Proteomic Core Facilities, Indonesia Medical Education and Research Institute, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
| | - Reni Paramita
- Department of Biochemistry and Molecular Biology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
- Center of Hypoxia and Oxidative Stress Studies, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
| |
Collapse
|
17
|
Hussien A, El-Moniem SA, Tawhid Z, Altonbary A. Micronutrient deficiency among patients with ulcerative colitis. THE EGYPTIAN JOURNAL OF INTERNAL MEDICINE 2022. [DOI: 10.1186/s43162-022-00171-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Abstract
Background and aim
Malnutrition is a common problem among patients with inflammatory bowel disease and up to 18–62% of ulcerative colitis (UC) patients were reported to be malnourished. This study aimed to assess micronutrient status among naïve UC patients and its correlation with disease severity.
Methods
A prospective case-control study carried out on 46 patients who visited our endoscopy unit between April 2019 and April 2021. The patients were classified into 3 groups of mild, moderate, and severe UC based on colonoscopy findings, and histopathological examination. Serum was collected and assayed for levels of iron, magnesium, zinc, selenium, and copper.
Results
Forty-six (17 male, 29 female) patients divided into 2 groups (23 naïve UC patients and 23 healthy individuals) with the mean age of 32 years were included in the study. The serum levels of magnesium, zinc, and selenium were significantly lower in the UC group (p < 0.001, 0.018 and < 0.001, respectively). However, iron and copper levels were not significantly different between the 2 groups. In discriminating severe from mild-moderate UC cases, there was a statistically significant result of magnesium at cutoff 1.8 or less in discriminating severe from mild to moderate UC cases with an AUC of 0.950 and p value of < 0.001.
Conclusion
Micronutrients should be assessed in patients in UC patients to alert to the fact that correction of these deficiencies could facilitate achievement of remission. Further research is needed to confirm if magnesium levels could serve as a predictor of the disease severity.
Collapse
|
18
|
Maynard-Smith L, Derrick JP, Borrow R, Lucidarme J, Maiden MCJ, Heyderman RS, Harrison OB. Genome-Wide Association Studies Identify an Association of Transferrin Binding Protein B Variation and Invasive Serogroup Y Meningococcal Disease in Older Adults. J Infect Dis 2022; 226:2204-2214. [PMID: 36322504 PMCID: PMC9748998 DOI: 10.1093/infdis/jiac430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 10/24/2022] [Accepted: 10/31/2022] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Neisseria meningitidis serogroup Y, especially ST-23 clonal complex (Y:cc23), represents a larger proportion of invasive meningococcal disease (IMD) in older adults compared to younger individuals. This study explored the meningococcal genetic variation underlying this association. METHODS Maximum-likelihood phylogenies and the pangenome were analyzed using whole-genome sequence (WGS) data from 200 Y:cc23 isolates in the Neisseria PubMLST database. Genome-wide association studies (GWAS) were performed on WGS data from 250 Y:cc23 isolates from individuals with IMD aged ≥65 years versus < 65 years. RESULTS Y:cc23 meningococcal variants did not cluster by age group or disease phenotype in phylogenetic analyses. Pangenome comparisons found no differences in presence or absence of genes in IMD isolates from the different age groups. GWAS identified differences in nucleotide polymorphisms within the transferrin-binding protein B (tbpB) gene in isolates from individuals ≥65 years of age. TbpB structure modelling suggests these may impact binding of human transferrin. CONCLUSIONS These data suggest differential iron scavenging capacity amongst Y:cc23 meningococci isolated from older compared to younger patients. Iron acquisition is essential for many bacterial pathogens including the meningococcus. These polymorphisms may facilitate colonization, thereby increasing the risk of disease in vulnerable older people with altered nasopharyngeal microbiomes and nutritional status.
Collapse
Affiliation(s)
- Laura Maynard-Smith
- Correspondence: Laura Maynard-Smith, MBBS, Division of Infection and Immunity, University College London, Gower Street, London WC1E 6BT, UK ()
| | - Jeremy P Derrick
- Faculty of Biology, Medicine, and Health, University of Manchester, Manchester, United Kingdom
| | - Ray Borrow
- Meningococcal Reference Unit, UK Health Security Agency, Manchester, United Kingdom
| | - Jay Lucidarme
- Meningococcal Reference Unit, UK Health Security Agency, Manchester, United Kingdom
| | | | - Robert S Heyderman
- Division of Infection and Immunity, University College London, London, United Kingdom
| | | |
Collapse
|
19
|
Sema AI, Bhattacharyya J. Biochar derived from waste bamboo shoots for the biosorptive removal of ferrous ions from aqueous solution. J INDIAN CHEM SOC 2022. [DOI: 10.1016/j.jics.2022.100791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
20
|
Mokgalaboni K, Phoswa W. Cross-link between type 2 diabetes mellitus and iron deficiency anemia. A mini-review. CLINICAL NUTRITION OPEN SCIENCE 2022. [DOI: 10.1016/j.nutos.2022.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
|
21
|
Panda A, Booth SL. Nutritional Aspects of Healthy Aging. Med Clin North Am 2022; 106:853-863. [PMID: 36154704 DOI: 10.1016/j.mcna.2022.04.008] [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] [Indexed: 11/26/2022]
Abstract
Proper nutrition and healthy eating are key determinants of healthy aging. In older age, energy requirements decrease, yet micronutrient requirements stay the same or increase, which make older adults susceptible to nutrient deficiencies. Therefore, it is important to encourage older adults to consume nutrient-dense foods. Many older adults do not maintain proper hydration, so adequate water intake should also be encouraged. Most older adults have multiple chronic diseases that may influence their dietary intake and nutritional needs. However, currently, our understanding of how individual chronic diseases and their associated treatments influence dietary requirements is limited.
Collapse
Affiliation(s)
- Alexander Panda
- Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, 711 Washington Street, Boston, MA 02111, USA
| | - Sarah L Booth
- Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, 711 Washington Street, Boston, MA 02111, USA.
| |
Collapse
|
22
|
Influences of Vitamin D and Iron Status on Skeletal Muscle Health: A Narrative Review. Nutrients 2022; 14:nu14132717. [PMID: 35807896 PMCID: PMC9268405 DOI: 10.3390/nu14132717] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/24/2022] [Accepted: 06/27/2022] [Indexed: 12/02/2022] Open
Abstract
There is conflicting evidence of the roles vitamin D and iron have in isolation and combined in relation to muscle health. The purpose of this narrative review was to examine the current literature on the roles that vitamin D and iron have on skeletal muscle mass, strength, and function and how these nutrients are associated with skeletal muscle health in specific populations. Secondary purposes include exploring if low vitamin D and iron status are interrelated with skeletal muscle health and chronic inflammation and reviewing the influence of animal-source foods rich in these nutrients on health and performance. PubMed, Scopus, SPORT Discus, EMBAE, MEDLINE, and Google Scholar databases were searched to determine eligible studies. There was a positive effect of vitamin D on muscle mass, particularly in older adults. There was a positive effect of iron on aerobic and anaerobic performance. Studies reported mixed results for both vitamin D and iron on muscle strength and function. While vitamin D and iron deficiency commonly occur in combination, few studies examined effects on skeletal muscle health and inflammation. Isolated nutrients such as iron and vitamin D may have positive outcomes; however, nutrients within food sources may be most effective in improving skeletal muscle health.
Collapse
|
23
|
Mantebea H, Batool S, Singh A, Hammami M, Badar F, Xia Y. Structural differences between immature and mature articular cartilage of rabbits by microscopic MRI and polarized light microscopy. J Anat 2022; 240:1141-1151. [PMID: 34981507 PMCID: PMC9119607 DOI: 10.1111/joa.13620] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 12/16/2021] [Accepted: 12/20/2021] [Indexed: 11/28/2022] Open
Abstract
This study aimed to determine the structural features between immature and mature articular cartilage from the humeral and femoral joints of rabbits. Specimens of articular cartilage (n = 6 for immature tissue, n = 6 for mature tissue) that were still attached to the underlying bone from a humerus (shoulder joint) or femur (knee joint) were imaged using microscopic MRI (µMRI) and polarized light microscopy (PLM). Quantitative µMRI data with a pixel resolution of 11.7-13.2 µm revealed a number of differences between the immature and mature cartilage, including total thickness, and T2 and T1ρ relaxation values. Quantitative PLM data with a pixel resolution of 0.25-1 µm confirmed the µMRI results and revealed additional differences in cellular features between the tissues. The mature cartilage had a clearly defined tidemark, which was absent in the immature tissue. The ability to differentiate specific maturation-related cartilage characteristics could be beneficial to translational studies of degenerative diseases such as osteoarthritis.
Collapse
Affiliation(s)
- Hannah Mantebea
- Department of Physics and Center for Biomedical ResearchOakland UniversityRochesterMIUSA
| | - Syeda Batool
- Department of Physics and Center for Biomedical ResearchOakland UniversityRochesterMIUSA
| | - Amanveer Singh
- Department of Physics and Center for Biomedical ResearchOakland UniversityRochesterMIUSA
| | - Mohammed Hammami
- Department of Physics and Center for Biomedical ResearchOakland UniversityRochesterMIUSA
| | - Farid Badar
- Department of Physics and Center for Biomedical ResearchOakland UniversityRochesterMIUSA
| | - Yang Xia
- Department of Physics and Center for Biomedical ResearchOakland UniversityRochesterMIUSA
| |
Collapse
|
24
|
Role of Iron in Aging Related Diseases. Antioxidants (Basel) 2022; 11:antiox11050865. [PMID: 35624729 PMCID: PMC9137504 DOI: 10.3390/antiox11050865] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/17/2022] [Accepted: 04/25/2022] [Indexed: 02/05/2023] Open
Abstract
Iron progressively accumulates with age and can be further exacerbated by dietary iron intake, genetic factors, and repeated blood transfusions. While iron plays a vital role in various physiological processes within the human body, its accumulation contributes to cellular aging in several species. In its free form, iron can initiate the formation of free radicals at a cellular level and contribute to systemic disorders. This is most evident in high iron conditions such as hereditary hemochromatosis, when accumulation of iron contributes to the development of arthritis, cirrhosis, or cardiomyopathy. A growing body of research has further identified iron’s contributory effects in neurodegenerative diseases, ocular disorders, cancer, diabetes, endocrine dysfunction, and cardiovascular diseases. Reducing iron levels by repeated phlebotomy, iron chelation, and dietary restriction are the common therapeutic considerations to prevent iron toxicity. Chelators such as deferoxamine, deferiprone, and deferasirox have become the standard of care in managing iron overload conditions with other potential applications in cancer and cardiotoxicity. In certain animal models, drugs with iron chelating ability have been found to promote health and even extend lifespan. As we further explore the role of iron in the aging process, iron chelators will likely play an increasingly important role in our health.
Collapse
|
25
|
The Prevalence of Anemia and Its Associated Factors among Older Persons: Findings from the National Health and Morbidity Survey (NHMS) 2015. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19094983. [PMID: 35564378 PMCID: PMC9101117 DOI: 10.3390/ijerph19094983] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/05/2022] [Accepted: 04/15/2022] [Indexed: 12/21/2022]
Abstract
Background: There is limited evidence on the association of anemia with chronic diseases and disabilities among older persons in Malaysia. We assessed the prevalence of anemia and its associated factors among community-dwelling older persons. Methods: This was a cross-sectional study using data from the nationwide National Health and Morbidity Survey 2015 (NHMS 2015) on the health of older adults conducted by the Institute for Public Health, National Institutes of Health, Malaysia. A two-stage stratified random-cluster sampling design was utilized. Data were collected on the sociodemographic profiles, non-communicable disease (NCD) comorbidities (hypertension, diabetes and hypercholesterolemia status) and disabilities among the older persons. Anemia was defined based on the World Health Organization’s standards. A multivariable logistic regression analysis was used to assess the association of anemia with chronic diseases and disabilities. Results: The prevalence of anemia was 35.3% (95% CI: 33.1, 37.4) in the older persons. Chronic disease profiling showed that the prevalence rates of anemia among the older persons with diabetes, hypertension and hypercholesterolemia were 38.6%, 35.3% and 34.1%, respectively. In the multivariable analysis, persons aged 80 years and above (adjusted OR (aOR): 2.64; 95% CI: 2.00, 3.47), 70–79 years (aOR: 1.42; 95% CI: 1.21, 1.66), with diabetes (aOR: 1.30; 95% CI: 1.13, 1.51) and with disabilities in walking (aOR: 1.31; 95% CI: 1.11, 1.54) and self-care (aOR: 1.58; 95% CI: 1.22, 2.05) had higher odds of anemia compared to their respective reference categories. Among the persons with diabetes, the respondents aged 80 years and above (aOR: 2.48; 95% CI: 1.56, 3.94), 70–79 years old (aOR: 1.38; 95% CI: 1.08, 1.76) and with disabilities in vision (aOR: 1.29; 95% CI: 1.02, 1.63) and walking (aOR: 1.50; 95% CI: 1.18, 1.91) were more likely to be anemic. Furthermore, among the older persons without diabetes, persons aged 80 years and above (aOR: 2.89; 95% CI: 2.05, 4.07), 70–79 years old (aOR: 1.46; 95% CI: 1.19, 1.80) and with difficulty in self-care (aOR: 1.87; 95% CI: 1.30, 2.69) were more likely to be anemic. Conclusions: The resilient predictors of developing anemia were advancing age and diabetes, based on our study. Anemia is significantly associated with walking and vision disabilities among older persons with diabetes and with self-care difficulties in those without diabetes. There is a need for future studies to evaluate strategies to prevent anemia among older adults in order to promote healthy aging.
Collapse
|
26
|
Stahl-Gugger A, de Godoi Rezende Costa Molino C, Wieczorek M, Chocano-Bedoya PO, Abderhalden LA, Schaer DJ, Spahn DR, Orav EJ, Vellas B, da Silva JAP, Kressig RW, Egli A, Bischoff-Ferrari HA. Prevalence and incidence of iron deficiency in European community-dwelling older adults: an observational analysis of the DO-HEALTH trial. Aging Clin Exp Res 2022; 34:2205-2215. [PMID: 35304704 PMCID: PMC9464157 DOI: 10.1007/s40520-022-02093-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 02/03/2022] [Indexed: 12/20/2022]
Abstract
BACKGROUND AND AIM Iron deficiency is associated with increased morbidity and mortality in older adults. However, data on its prevalence and incidence among older adults is limited. The aim of this study was to investigate the prevalence and incidence of iron deficiency in European community-dwelling older adults aged ≥ 70 years. METHODS Secondary analysis of the DO-HEALTH trial, a 3-year clinical trial including 2157 community-dwelling adults aged ≥ 70 years from Austria, France, Germany, Portugal and Switzerland. Iron deficiency was defined as soluble transferrin receptor (sTfR) > 28.1 nmol/L. Prevalence and incidence rate (IR) of iron deficiency per 100 person-years were examined overall and stratified by sex, age group, and country. Sensitivity analysis for three commonly used definitions of iron deficiency (ferritin < 45 μg/L, ferritin < 30 μg/L, and sTfR-ferritin index > 1.5) were also performed. RESULTS Out of 2157 participants, 2141 had sTfR measured at baseline (mean age 74.9 years; 61.5% women). The prevalence of iron deficiency at baseline was 26.8%, and did not differ by sex, but by age (35.6% in age group ≥ 80, 29.3% in age group 75-79, 23.2% in age group 70-74); P < 0.0001) and country (P = 0.02), with the highest prevalence in Portugal (34.5%) and the lowest in France (24.4%). As for the other definitions of iron deficiency, the prevalence ranged from 4.2% for ferritin < 30 µg/L to 35.3% for sTfR-ferritin index > 1.5. Occurrences of iron deficiency were observed with IR per 100 person-years of 9.2 (95% CI 8.3-10.1) and did not significantly differ by sex or age group. The highest IR per 100 person-years was observed in Austria (20.8, 95% CI 16.1-26.9), the lowest in Germany (6.1, 95% CI 4.7-8.0). Regarding the other definitions of iron deficiency, the IR per 100 person-years was 4.5 (95% CI 4.0-4.9) for ferritin < 45 µg/L, 2.4 (95% CI 2.2-2.7) for ferritin < 30 µg/L, and 12.2 (95% CI 11.0-13.5) for sTfR-ferritin index > 1.5. CONCLUSIONS Iron deficiency is frequent among relatively healthy European older adults, with people aged ≥ 80 years and residence in Austria and Portugal associated with the highest risk.
Collapse
Affiliation(s)
- Alenka Stahl-Gugger
- Center on Aging and Mobility, University Hospital Zurich, Zurich City Hospital-Waid and University of Zurich, Zurich, Switzerland
- Department of Aging Medicine and Aging Research, University Hospital Zurich and University of Zurich, Raemistrasse 101, 8091, Zurich, Switzerland
| | - Caroline de Godoi Rezende Costa Molino
- Center on Aging and Mobility, University Hospital Zurich, Zurich City Hospital-Waid and University of Zurich, Zurich, Switzerland
- Department of Aging Medicine and Aging Research, University Hospital Zurich and University of Zurich, Raemistrasse 101, 8091, Zurich, Switzerland
| | - Maud Wieczorek
- Center on Aging and Mobility, University Hospital Zurich, Zurich City Hospital-Waid and University of Zurich, Zurich, Switzerland
- Department of Aging Medicine and Aging Research, University Hospital Zurich and University of Zurich, Raemistrasse 101, 8091, Zurich, Switzerland
| | - Patricia O Chocano-Bedoya
- Center on Aging and Mobility, University Hospital Zurich, Zurich City Hospital-Waid and University of Zurich, Zurich, Switzerland
- Institute of Primary Health Care (BIHAM), University of Bern, Bern, Switzerland
- Population Health Lab, University of Fribourg, Fribourg, Switzerland
| | - Lauren A Abderhalden
- Center on Aging and Mobility, University Hospital Zurich, Zurich City Hospital-Waid and University of Zurich, Zurich, Switzerland
- Department of Aging Medicine and Aging Research, University Hospital Zurich and University of Zurich, Raemistrasse 101, 8091, Zurich, Switzerland
| | - Dominik J Schaer
- Clinic for Internal Medicine, University Hospital Zurich, Zurich, Switzerland
| | - Donat R Spahn
- Institute of Anesthesiology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | - E John Orav
- Department of Biostatistics, Harvard School of Public Health, Boston, USA
| | - Bruno Vellas
- Gérontopôle de Toulouse, Institut du Vieillissement, Center Hospitalo-Universitaire de Toulouse, Toulouse, France
- UMR INSERM 1027, University of Toulouse III, Toulouse, France
| | - José A P da Silva
- Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal
- Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Reto W Kressig
- University Department of Geriatric Medicine FELIX PLATTER, and University of Basel, Basel, Switzerland
| | - Andreas Egli
- Center on Aging and Mobility, University Hospital Zurich, Zurich City Hospital-Waid and University of Zurich, Zurich, Switzerland
- Department of Aging Medicine and Aging Research, University Hospital Zurich and University of Zurich, Raemistrasse 101, 8091, Zurich, Switzerland
| | - Heike A Bischoff-Ferrari
- Center on Aging and Mobility, University Hospital Zurich, Zurich City Hospital-Waid and University of Zurich, Zurich, Switzerland.
- Department of Aging Medicine and Aging Research, University Hospital Zurich and University of Zurich, Raemistrasse 101, 8091, Zurich, Switzerland.
- University Clinic for Aging Medicine, Zurich City Hospital-Waid, Zurich, Switzerland.
| |
Collapse
|
27
|
Jing JL, Ning TCY, Natali F, Eisenhaber F, Alfatah M. Iron Supplementation Delays Aging and Extends Cellular Lifespan through Potentiation of Mitochondrial Function. Cells 2022; 11:cells11050862. [PMID: 35269484 PMCID: PMC8909192 DOI: 10.3390/cells11050862] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 02/28/2022] [Accepted: 02/28/2022] [Indexed: 02/07/2023] Open
Abstract
Aging is the greatest challenge to humankind worldwide. Aging is associated with a progressive loss of physiological integrity due to a decline in cellular metabolism and functions. Such metabolic changes lead to age-related diseases, thereby compromising human health for the remaining life. Thus, there is an urgent need to identify geroprotectors that regulate metabolic functions to target the aging biological processes. Nutrients are the major regulator of metabolic activities to coordinate cell growth and development. Iron is an important nutrient involved in several biological functions, including metabolism. In this study using yeast as an aging model organism, we show that iron supplementation delays aging and increases the cellular lifespan. To determine how iron supplementation increases lifespan, we performed a gene expression analysis of mitochondria, the main cellular hub of iron utilization. Quantitative analysis of gene expression data reveals that iron supplementation upregulates the expression of the mitochondrial tricarboxylic acid (TCA) cycle and electron transport chain (ETC) genes. Furthermore, in agreement with the expression profiles of mitochondrial genes, ATP level is elevated by iron supplementation, which is required for increasing the cellular lifespan. To confirm, we tested the role of iron supplementation in the AMPK knockout mutant. AMPK is a highly conserved controller of mitochondrial metabolism and energy homeostasis. Remarkably, iron supplementation rescued the short lifespan of the AMPK knockout mutant and confirmed its anti-aging role through the enhancement of mitochondrial functions. Thus, our results suggest a potential therapeutic use of iron supplementation to delay aging and prolong healthspan.
Collapse
Affiliation(s)
- Jovian Lin Jing
- Bioinformatics Institute (BII), A*STAR, Singapore 138671, Singapore; (J.L.J.); (T.C.Y.N.)
| | - Trishia Cheng Yi Ning
- Bioinformatics Institute (BII), A*STAR, Singapore 138671, Singapore; (J.L.J.); (T.C.Y.N.)
| | - Federica Natali
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), A*STAR, Singapore 138669, Singapore;
- School of Biological Sciences (SBS), Nanyang Technological University (NTU), Singapore 637551, Singapore
| | - Frank Eisenhaber
- Bioinformatics Institute (BII), A*STAR, Singapore 138671, Singapore; (J.L.J.); (T.C.Y.N.)
- School of Biological Sciences (SBS), Nanyang Technological University (NTU), Singapore 637551, Singapore
- Genome Institute of Singapore (GIS), A*STAR, Singapore 138672, Singapore
- Correspondence: (F.E.); (M.A.)
| | - Mohammad Alfatah
- Bioinformatics Institute (BII), A*STAR, Singapore 138671, Singapore; (J.L.J.); (T.C.Y.N.)
- Correspondence: (F.E.); (M.A.)
| |
Collapse
|
28
|
Iron deficiency and biomarkers of inflammation: a 3-year prospective analysis of the DO-HEALTH trial. Aging Clin Exp Res 2022; 34:515-525. [PMID: 34533774 PMCID: PMC8894209 DOI: 10.1007/s40520-021-01955-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 08/03/2021] [Indexed: 12/12/2022]
Abstract
Background The longitudinal association between iron deficiency and inflammatory biomarkers levels has not been fully explored among relatively healthy older adults. Aims To assess whether iron deficiency at baseline and at any yearly follow-up time point, with or without anemia, was associated with changes from baseline in high-sensitivity C-reactive protein (hs-CRP) and interleukin-6 (IL-6) levels over 3 years. Methods This is a post-hoc observational analysis of DO-HEALTH, a double-blind, randomized controlled trial including 2157 European community-dwelling adults age 70+. The outcomes were changes from baseline in hs-CRP and IL-6 levels, measured at 12, 24, and 36 months of follow-up. Iron deficiency was defined by soluble transferrin receptor levels > 28.1 nmol/L and baseline anemia by hemoglobin levels < 130 g/L for men and < 120 g/L for women. Results In total, 2141 participants were included in the analyses (mean age: 74.9 years, 61.5% of women, 26.8% with iron deficiency). Baseline iron deficiency was associated with greater increase in IL-6 levels (mean difference in change: 0.52 ng/L, 95%CI 0.03–1.00, P = .04) over 3 years. Iron deficiency at any yearly time point was associated with higher increases in hs-CRP (mean difference in change: 1.62 mg/L, 95%CI 0.98–2.26, P < .001) and IL-6 levels (mean difference in change: 1.33 ng/L, 95%CI 0.87–1.79, P < .001) over 3 years. No significant interaction between iron deficiency and anemia was found, suggesting that the results are independent of the anemic status. Conclusions These findings suggest that iron deficiency may play a role in low-grade chronic inflammation among relatively healthy older adults. Supplementary Information The online version contains supplementary material available at 10.1007/s40520-021-01955-3.
Collapse
|
29
|
Sklarz T, Italiano A, Menon N, Correia C, Sharma E, Wu S, Hunter K, Roy S. Impact of Correcting Nutritional Deficiency Anemias in the Elderly on Hospitalizations, Falls, and Mortalities. J Hematol 2022; 10:233-245. [PMID: 35059085 PMCID: PMC8734490 DOI: 10.14740/jh926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Accepted: 12/02/2021] [Indexed: 11/21/2022] Open
Abstract
Background The incidence and prevalence of anemia increase with age, particularly in adults older than 65 years, and it is associated with a number of adverse health outcomes (AHO), particularly hospitalizations, falls and mortalities. Given that approximately one-third of these anemias are due to reversible causes, we studied whether the treatment of nutritional deficiency anemia (NDA), namely iron deficiency anemia (IDA), cobalamin deficiency anemia (CDA), and folate deficiency anemia (FDA), improves AHO; and explored whether each NDA had different AHO. Methods We reviewed electronic medical records of our internal medicine office patients aged 65 years or older, who had a diagnosis of anemia in a non-acute setting. Results Total 600 patients were included. Mean age was 75.2 years. Thirty-one point three percent had NDA (CDA 15.3%, IDA 12.3%, FDA 3.7%); and 68.7% had other anemias whom we categorized as non-nutritional deficiency anemias (NNDA), which included anemia of chronic disease (11.2%), myelodysplastic syndrome (6.2%), renal insufficiency anemia (5.7%) and unexplained anemia (45.6%). Even after adequate treatment, IDA group had significantly more hospitalizations (median, 25th - 75th: 2 (0 - 4) vs. 0 (0 - 1), P < 0.001), falls (median, 25th - 75th: 1 (0 - 3) vs. 0 (0 - 1), P < 0.001) and mortalities (10.8% vs. 3.4%, P = 0.011); CDA group had significantly more hospitalizations (median, 25th - 75th: 1 (0 - 2) vs. 0 (0 - 1), P = 0.007), but no difference in falls (median, 25th - 75th: 0 (0 - 1) vs. 0 (0 - 1), P = 0.171) and mortalities (7.6% vs. 3.4%, P = 0.083); and FDA group had significantly more hospitalizations (median, 25th - 75th: 1 (0 - 2) vs. 0 (0 - 1), P = 0.001), but no difference in falls (median, 25th - 75th: 0 (0 - 1) vs. 0 (0 - 1), P = 0.615) and mortalities (4.5% vs. 3.4%, P = 0.550), compared to the NNDA group. Age, Black race, higher number of comorbidities, presence of malignancy and use of direct oral anticoagulants were associated with increased odds of AHO in patients with NDA. Conclusions Compared to the patients with NNDA, patients with IDA had more hospitalizations, falls and mortalities even after adequate treatment; while patients with CDA and FDA had only more hospitalizations. Adequate treatment mitigated falls and mortalities in elderly patients with CDA and FDA.
Collapse
Affiliation(s)
- Tammarah Sklarz
- Department of Medicine, Cooper University Health Care, Camden, NJ, USA
| | - Angelica Italiano
- Department of Medicine, Cooper University Health Care, Camden, NJ, USA
| | - Naveen Menon
- Department of Medicine, Cooper University Health Care, Camden, NJ, USA
| | - Caroline Correia
- Department of Medicine, Cooper Medical School of Rowan University, Camden, NJ, USA
| | - Elena Sharma
- Department of Medicine, Cooper Medical School of Rowan University, Camden, NJ, USA
| | - Samantha Wu
- Department of Medicine, Cooper Medical School of Rowan University, Camden, NJ, USA
| | - Krystal Hunter
- Cooper Research Institute, Cooper Medical School of Rowan University, Camden, NJ, USA
| | - Satyajeet Roy
- Department of Medicine, Cooper Medical School of Rowan University, Cooper University Health Care, Camden, NJ, USA.,Division of General Internal Medicine, Cooper University Health Care, Cherry Hill, NJ 08034, USA
| |
Collapse
|
30
|
Abulseoud OA, Yehia A, Egol CJ, Nettey VN, Aly M, Qu Y, Skolnik AB, Grill MF, Sen A, Schneekloth TD. Attenuated initial serum ferritin concentration in critically ill coronavirus disease 2019 geriatric patients with comorbid psychiatric conditions. Front Psychiatry 2022; 13:1035986. [PMID: 36440432 PMCID: PMC9681793 DOI: 10.3389/fpsyt.2022.1035986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Accepted: 10/20/2022] [Indexed: 11/10/2022] Open
Abstract
We examined the effects of psychiatric comorbidity, sex, and ICU admission on serum ferritin concentration in 628 elderly patients (79.7 ± 8.5 years) with positive SARS-CoV-2 PCR test. Hospitalization was required in 96% of patients and 17% required ICU admission. Patients with COVID-19 and psychiatric comorbidities (n = 212) compared to patients without psychiatric comorbidities (n = 416) had significantly lower ferritin concentration (570.4 ± 900.1 vs. 744.1 ± 965, P = 0.029), a greater incidence of delirium (22.6 vs. 14.4%, P = 0.013) and higher mortality (35.3 vs. 27.6%, P = 0.015). Furthermore, we found significant effects for sex (P = 0.002) and ICU admission (P = 0.007). Among patients without comorbid psychiatric conditions, males had significantly higher ferritin compared to females (1,098.3 ± 78.4 vs. 651.5 ± 94.4, P < 0.001). ICU patients without comorbid psychiatric conditions had significantly higher serum ferritin compared to ICU patients with comorbid psychiatric conditions: (1,126.6 ± 110.7 vs. 668.6 ± 156.5, P < 0.001). Our results suggest that the presence of comorbid psychiatric conditions in elderly patients with COVID-19 is associated with higher rates of delirium and mortality and lower ferritin levels during severe illness. Whether high serum ferritin is protective during severe infection requires further investigation.
Collapse
Affiliation(s)
- Osama A Abulseoud
- Department of Psychiatry and Psychology, Mayo Clinic Arizona, Phoenix, AZ, United States.,Department of Neuroscience, Mayo Clinic Graduate School of Biomedical Sciences, Collaborative Research Building (CRB), Scottsdale, AZ, United States
| | - Asmaa Yehia
- Department of Medical Physiology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Claudine J Egol
- Department of Psychiatry and Psychology, Mayo Clinic Arizona, Phoenix, AZ, United States
| | - Victor N Nettey
- Department of Psychiatry and Psychology, Mayo Clinic Arizona, Phoenix, AZ, United States
| | - Mohamed Aly
- Department of Cardiothoracic Surgery, Mayo Clinic Arizona, Phoenix, AZ, United States
| | - Yihuai Qu
- Alix School of Medicine at Mayo Clinic, Phoenix, AZ, United States
| | - Aaron B Skolnik
- Department of Critical Care, Mayo Clinic Arizona, Phoenix, AZ, United States
| | - Marie F Grill
- Department of Neurology, Mayo Clinic Arizona, Phoenix, AZ, United States
| | - Ayan Sen
- Department of Critical Care, Mayo Clinic Arizona, Phoenix, AZ, United States
| | - Terry D Schneekloth
- Department of Psychiatry and Psychology, Mayo Clinic Arizona, Phoenix, AZ, United States
| |
Collapse
|
31
|
Effect of Lacticaseibacillus casei Zhang on iron status, immunity, and gut microbiota of mice fed with low-iron diet. J Funct Foods 2022. [DOI: 10.1016/j.jff.2021.104906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
|
32
|
Small Bowel Malignancies in Patients Undergoing Capsule Endoscopy for Iron Deficiency Anemia. Diagnostics (Basel) 2021; 12:diagnostics12010091. [PMID: 35054257 PMCID: PMC8774472 DOI: 10.3390/diagnostics12010091] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/14/2021] [Accepted: 12/29/2021] [Indexed: 11/16/2022] Open
Abstract
Small bowel malignancies are rare and usually asymptomatic or symptoms are nonspecific. Therefore, small bowel tumors are difficult to diagnose. In patients with iron deficiency anemia (IDA) who have negative bidirectional endoscopy results, the small bowel may be considered the source of bleeding. However, in asymptomatic IDA patients with negative bidirectional endoscopy results, evidence supporting the routine use of capsule endoscopy (CE) is insufficient. CE can be considered in selected patients with recurrent or persistent IDA. The frequency of small bowel malignancies is low in patients undergoing CE for IDA, but the usefulness of CE for the diagnosis of small bowel malignancies in younger age groups with IDA has been reported. For patients with risk factors for small bowel malignancy, investigation of the small bowel should be considered. Efforts should be made to prevent adverse events, such as capsule retention or capsule aspiration, through meticulous history taking and endoscopic capsule delivery as necessary.
Collapse
|
33
|
Zeidan RS, Han SM, Leeuwenburgh C, Xiao R. Iron homeostasis and organismal aging. Ageing Res Rev 2021; 72:101510. [PMID: 34767974 DOI: 10.1016/j.arr.2021.101510] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 11/02/2021] [Accepted: 11/02/2021] [Indexed: 12/21/2022]
Abstract
Iron is indispensable for normal body functions across species because of its critical roles in red blood cell function and many essential proteins and enzymes required for numerous physiological processes. Regulation of iron homeostasis is an intricate process involving multiple modulators at the systemic, cellular, and molecular levels. Interestingly, emerging evidence has demonstrated that many modulators of iron homeostasis contribute to organismal aging and longevity. On the other hand, the age-related dysregulation of iron homeostasis is often associated with multiple age-related pathologies including bone resorption and neurodegenerative diseases such as Alzheimer's disease. Thus, a thorough understanding on the interconnections between systemic and cellular iron balance and organismal aging may help decipher the etiologies of multiple age-related diseases, which could ultimately lead to developing therapeutic strategies to delay aging and treat various age-related diseases. Here we present the current understanding on the mechanisms of iron homeostasis. We also discuss the impacts of aging on iron homeostatic processes and how dysregulated iron metabolism may affect aging and organismal longevity.
Collapse
|
34
|
Snook J, Bhala N, Beales ILP, Cannings D, Kightley C, Logan RP, Pritchard DM, Sidhu R, Surgenor S, Thomas W, Verma AM, Goddard AF. British Society of Gastroenterology guidelines for the management of iron deficiency anaemia in adults. Gut 2021; 70:2030-2051. [PMID: 34497146 PMCID: PMC8515119 DOI: 10.1136/gutjnl-2021-325210] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 07/26/2021] [Indexed: 12/12/2022]
Abstract
Iron deficiency anaemia (IDA) is a major cause of morbidity and burden of disease worldwide. It can generally be diagnosed by blood testing and remedied by iron replacement therapy (IRT) using the oral or intravenous route. The many causes of iron deficiency include poor dietary intake and malabsorption of dietary iron, as well as a number of significant gastrointestinal (GI) pathologies. Because blood is iron-rich it can result from chronic blood loss, and this is a common mechanism underlying the development of IDA-for example, as a consequence of menstrual or GI blood loss.Approximately a third of men and postmenopausal women presenting with IDA have an underlying pathological abnormality, most commonly in the GI tract. Therefore optimal management of IDA requires IRT in combination with appropriate investigation to establish the underlying cause. Unexplained IDA in all at-risk individuals is an accepted indication for fast-track secondary care referral in the UK because GI malignancies can present in this way, often in the absence of specific symptoms. Bidirectional GI endoscopy is the standard diagnostic approach to examination of the upper and lower GI tract, though radiological scanning is an alternative in some situations for assessing the large bowel. In recurrent or refractory IDA, wireless capsule endoscopy plays an important role in assessment of the small bowel.IDA may present in primary care or across a range of specialties in secondary care, and because of this and the insidious nature of the condition it has not always been optimally managed despite the considerable burden of disease- with investigation sometimes being inappropriate, incorrectly timed or incomplete, and the role of IRT for symptom relief neglected. It is therefore important that contemporary guidelines for the management of IDA are available to all clinicians. This document is a revision of previous British Society of Gastroenterology guidelines, updated in the light of subsequent evidence and developments.
Collapse
Affiliation(s)
- Jonathon Snook
- Gastroenterology, University Hospitals Dorset NHS Foundation Trust, Poole, UK
| | - Neeraj Bhala
- Gastroenterology, Queen Elizabeth Hospital Birmingham, University Hospitals Birmingham NHS Foundation Trust and Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Ian L P Beales
- Gastroenterology, University of East Anglia, Norwich, UK
| | - David Cannings
- Gastroenterology, University Hospitals Dorset NHS Foundation Trust, Poole, UK
| | - Chris Kightley
- Digestive Diseases, Kettering General Hospital NHS Foundation Trust, Kettering, UK
| | | | - D Mark Pritchard
- Institute of Systems, Molecular and Integrative Biology, University of Liverpool and Department of Gastroenterology, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
| | - Reena Sidhu
- Gastroenterology, Royal Hallamshire Hospital, Sheffield, UK
| | - Sue Surgenor
- Gastroenterology, University Hospitals Dorset NHS Foundation Trust, Poole, UK
| | - Wayne Thomas
- Haematology, Plymouth Hospitals NHS Foundation Trust, Plymouth, Plymouth, UK
| | - Ajay M Verma
- Digestive Diseases, Kettering General Hospital NHS Foundation Trust, Kettering, UK
| | | |
Collapse
|
35
|
Li R, Zhan W, Huang X, Zhang L, Sun Y, Zhang Z, Bao W, Ma Y. Investigating Associations Between Depressive Symptoms and Anti-/Pro-Inflammatory Nutrients in an Elderly Population in Northern China: A Bayesian Kernel Machine Regression Approach. J Inflamm Res 2021; 14:5201-5213. [PMID: 34675598 PMCID: PMC8517912 DOI: 10.2147/jir.s330300] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 09/16/2021] [Indexed: 12/13/2022] Open
Abstract
Backgroud The potential for dietary inflammation has been shown to be associated with a variety of chronic diseases. The relationship between the potential for dietary inflammation and depression in the elderly is unclear. Objective This study aimed to exam the relationship between different nutrients and the risk of depression symptoms in the elderly. Methods In total, 1865 elderly in northern China were investigated at baseline from 2018 to 2019 and followed up in 2020. We measured the baseline intake of 22 nutrients and used Least Absolute Shrinkage and Selection Operator(LASSO) regression analysis and Bayesian Kernel Machine Regression (BKMR) to explore the association between exposure to a variety of nutrients with different inflammatory potentials and the risk of depressive symptoms. Results A total of 447 individuals (24.0%) were diagnosed with depressive symptoms. Through the lasso regression model, it was found that 11 nutrients are significantly related to the risk of depressive symptoms, of which 6 nutrients are pro-inflammatory nutrients (inflammation effect score>0), and 5 are anti-inflammatory nutrients (inflammation effect score<0). We incorporated the inflammatory effect scores of 11 nutrients into the BKMR model at the same time, and found that the overall inflammatory effect of 11 nutrients increased with the increase of total inflammatory scores, suggesting that the overall effect was pro-inflammatory. BKMR subgroup analysis shows that whether in the pro-inflammatory nutrient group or the anti-inflammatory nutrient group, multiple nutrients have a significant combined effect on depressive symptoms. By comparing the overall and group effects, we found that the inflammatory effects of the pro-inflammatory diet and the anti-inflammatory diet in the study’s diet are offset by each other (P<0.005). Conclusion We determined the combined effect of multiple nutrients of different inflammatory potential classifications on depressive symptoms in the elderly.
Collapse
Affiliation(s)
- Ruiqiang Li
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, People's Republic of China
| | - Wenqiang Zhan
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, People's Republic of China
| | - Xin Huang
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, People's Republic of China
| | - Limin Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, People's Republic of China
| | - Yan Sun
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, People's Republic of China
| | - Zechen Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, People's Republic of China
| | - Wei Bao
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, People's Republic of China
| | - Yuxia Ma
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, People's Republic of China
| |
Collapse
|
36
|
Aiello A, Accardi G, Aprile S, Caldarella R, Carru C, Ciaccio M, De Vivo I, Gambino CM, Ligotti ME, Vasto S, Zinellu A, Caruso C, Bono F, Candore G. Age and Gender-related Variations of Molecular and Phenotypic Parameters in A Cohort of Sicilian Population: from Young to Centenarians. Aging Dis 2021; 12:1773-1793. [PMID: 34631220 PMCID: PMC8460304 DOI: 10.14336/ad.2021.0226] [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: 01/06/2021] [Accepted: 02/26/2021] [Indexed: 12/11/2022] Open
Abstract
People are living longer, but lifespan increase does not coincide with a boost in health-span. Thus, improving the quality of life of older people is a priority. Centenarians reach extreme longevity in a relatively good health status, escaping or delaying fatal or strongly invalidating diseases. Therefore, studying processes involved in longevity is important to explain the biological mechanisms of health and well-being, since knowledge born from this approach can provide valuable information on how to slow aging. We performed the present study in a well characterized very homogeneous sample of 173 people from Western Sicily, to update existing literature on some phenotypic aspects of aging and longevity and to propose a range of values for older people. We classified 5 age groups, from young adults to centenarians, to understand the age and gender-related variations of the different parameters under study. We collected anamnestic data and performed anthropometric, bioimpedance, molecular, haematological, oxidative, and hematochemical tests, adopting a multidimensional analysis approach. An important evidence of the present study is that there are differences related to both age and gender in several biomarkers. Indeed, gender differences seem to be still poorly considered and inadequately investigated in aging as well as in other medical studies. Moreover, we often observed comparable parameters between young and centenarians rather than non-agenarians and centenarians, hypothesizing a sort of slowdown, almost followed by a reversal trend, in the decay of systemic deterioration. The study of centenarians provides important indications on how to slow aging, with benefits for those who are more vulnerable to disease and disability. The identification of the factors that predispose to a long and healthy life is of enormous interest for translational medicine in an aging world.
Collapse
Affiliation(s)
- Anna Aiello
- 1Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neuroscience and Advanced Diagnostic, University of Palermo, Palermo, Italy
| | - Giulia Accardi
- 1Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neuroscience and Advanced Diagnostic, University of Palermo, Palermo, Italy
| | - Stefano Aprile
- 1Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neuroscience and Advanced Diagnostic, University of Palermo, Palermo, Italy.,2Unit of Transfusion Medicine, San Giovanni di Dio Hospital, Agrigento, Italy
| | - Rosalia Caldarella
- 3Department of Laboratory Medicine, "P. Giaccone" University Hospital, Palermo, Italy
| | - Ciriaco Carru
- 4Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Marcello Ciaccio
- 3Department of Laboratory Medicine, "P. Giaccone" University Hospital, Palermo, Italy.,5Unit of Clinical Biochemistry, Clinical Molecular Medicine, and Laboratory Medicine, Department of Biomedicine, Neuroscience and Advanced Diagnostic, University of Palermo, Palermo, Italy
| | - Immaculata De Vivo
- 6Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Caterina Maria Gambino
- 5Unit of Clinical Biochemistry, Clinical Molecular Medicine, and Laboratory Medicine, Department of Biomedicine, Neuroscience and Advanced Diagnostic, University of Palermo, Palermo, Italy
| | - Mattia Emanuela Ligotti
- 1Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neuroscience and Advanced Diagnostic, University of Palermo, Palermo, Italy
| | - Sonya Vasto
- 7Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Palermo, Italy
| | - Angelo Zinellu
- 4Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Calogero Caruso
- 1Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neuroscience and Advanced Diagnostic, University of Palermo, Palermo, Italy
| | - Filippa Bono
- 8Department of Economics, Business and Statistics, University of Palermo, Palermo, Italy
| | - Giuseppina Candore
- 1Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neuroscience and Advanced Diagnostic, University of Palermo, Palermo, Italy
| |
Collapse
|
37
|
Read AJ, Waljee AK, Sussman JB, Singh H, Chen GY, Vijan S, Saini SD. Testing Practices, Interpretation, and Diagnostic Evaluation of Iron Deficiency Anemia by US Primary Care Physicians. JAMA Netw Open 2021; 4:e2127827. [PMID: 34596670 PMCID: PMC8486982 DOI: 10.1001/jamanetworkopen.2021.27827] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
IMPORTANCE Recognition of iron deficiency anemia (IDA) is important to initiate timely evaluation for gastrointestinal tract cancer. Retrospective studies have reported delays in diagnostic evaluation of IDA as a common factor associated with delayed diagnosis of colorectal cancer. OBJECTIVE To assess how US primary care physicians (PCPs) approach testing for anemia, interpret iron laboratory studies, and refer patients with IDA for gastrointestinal endoscopy. DESIGN, SETTING, AND PARTICIPANTS This survey study, conducted in August 2019, included members of the American College of Physicians Internal Medicine Insiders Panel, a nationally representative group of American College of Physicians membership, who self-identified as PCPs. Participants completed a vignette-based survey to assess practices related to screening for anemia, interpretation of laboratory-based iron studies, and appropriate diagnostic evaluation of IDA. MAIN OUTCOMES AND MEASURES Descriptive statistics based on survey responses were evaluated for frequency of anemia screening, correct interpretation of iron laboratory studies, and proportion of patients with new-onset IDA referred for gastrointestinal tract evaluation. RESULTS Of 631 PCPs who received an invitation to participate in the survey, 356 (56.4%) responded and 31 (4.9%) were excluded, for an adjusted eligible sample size of 600, yielding 325 completed surveys (response rate, 54.2%). Of the 325 participants who completed surveys, 180 (55.4%) were men; age of participants was not assessed. The mean (SD) duration of clinical experience was 19.8 (11.2) years (range, 1.0-45.0 years). A total of 250 participants (76.9%) screened at least some patients for anemia. Interpretation of iron studies was least accurate in a scenario of a borderline low ferritin level (40 ng/mL) with low transferrin saturation (2%); 86 participants (26.5%) incorrectly responded that this scenario did not indicate IDA, and 239 (73.5%) correctly identified this scenario as IDA. Of 312 participants, 170 (54.5%) recommended bidirectional endoscopy (upper endoscopy and colonoscopy) for new IDA for women aged 65 years; of 305 respondents, 168 (55.1%) recommended bidirectional endoscopy for men aged 65 years. CONCLUSIONS AND RELEVANCE In this survey study, US PCPs' self-reported testing practices for anemia suggest overuse of screening laboratory tests, misinterpretation of iron studies, and underuse of bidirectional endoscopy for evaluation of new-onset IDA. Both misinterpretation of iron studies and underuse of bidirectional endoscopy can lead to delayed diagnosis of gastrointestinal tract cancers and warrant additional interventions.
Collapse
Affiliation(s)
- Andrew J. Read
- Department of Internal Medicine, University of Michigan, Ann Arbor
- Institute for Healthcare Policy and Innovation, University of Michigan, Ann Arbor
| | - Akbar K. Waljee
- Department of Internal Medicine, University of Michigan, Ann Arbor
- Institute for Healthcare Policy and Innovation, University of Michigan, Ann Arbor
- Veterans Affairs Health Services Research and Development, Center for Clinical Management Research, Ann Arbor, Michigan
| | - Jeremy B. Sussman
- Department of Internal Medicine, University of Michigan, Ann Arbor
- Institute for Healthcare Policy and Innovation, University of Michigan, Ann Arbor
- Veterans Affairs Health Services Research and Development, Center for Clinical Management Research, Ann Arbor, Michigan
| | - Hardeep Singh
- Center for Innovations in Quality, Effectiveness and Safety, Michael E. DeBakey Veterans Affairs Medical Center and Baylor College of Medicine, Houston, Texas
| | - Grace Y. Chen
- Department of Internal Medicine, University of Michigan, Ann Arbor
| | - Sandeep Vijan
- Department of Internal Medicine, University of Michigan, Ann Arbor
- Institute for Healthcare Policy and Innovation, University of Michigan, Ann Arbor
- Veterans Affairs Health Services Research and Development, Center for Clinical Management Research, Ann Arbor, Michigan
| | - Sameer D. Saini
- Department of Internal Medicine, University of Michigan, Ann Arbor
- Institute for Healthcare Policy and Innovation, University of Michigan, Ann Arbor
- Veterans Affairs Health Services Research and Development, Center for Clinical Management Research, Ann Arbor, Michigan
| |
Collapse
|
38
|
Patel M, Prasad W, Naithani H, Nataraj BH, Arora S, Behare PV. Comparative evaluation of in situ and ex-situ iron-complexing ability of exopolysaccharides producing lactic acid bacteria in whey medium. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111598] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
39
|
Mazhar M, Din AU, Ali H, Yang G, Ren W, Wang L, Fan X, Yang S. Implication of ferroptosis in aging. Cell Death Discov 2021; 7:149. [PMID: 34226536 PMCID: PMC8257567 DOI: 10.1038/s41420-021-00553-6] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 05/05/2021] [Accepted: 05/29/2021] [Indexed: 02/06/2023] Open
Abstract
Life is indeed continuously going through the irreversible and inevitable process of aging. The rate of aging process depends on various factors and varies individually. These factors include various environmental stimuli including exposure to toxic chemicals, psychological stress whereas suffering with various illnesses specially the chronic diseases serve as endogenous triggers. The basic underlying mechanism for all kinds of stresses is now known to be manifested as production of excessive ROS, exhaustion of ROS neutralizing antioxidant enzymes and proteins leading to imbalance in oxidation and antioxidant processes with subsequent oxidative stress induced inflammation affecting the cells, tissues, organs and the whole body. All these factors lead to conventional cell death either through necrosis, apoptosis, or autophagy. Currently, a newly identified mechanism of iron dependent regulated cell death called ferroptosis, is of special interest for its implication in pathogenesis of various diseases such as cardiovascular disease, neurological disorders, cancers, and various other age-related disorders (ARD). In ferroptosis, the cell death occur neither by conventional apoptosis, necrosis nor by autophagy, rather dysregulated iron in the cell mediates excessive lipid peroxidation of accumulated lethal lipids. It is not surprising to assume its role in aging as previous research have identified some solid cues on the subject. In this review, we will highlight the factual evidences to support the possible role and implication of ferroptosis in aging in order to declare the need to identify and explore the interventions to prevent excessive ferroptosis leading to accelerated aging and associated liabilities of aging.
Collapse
Affiliation(s)
- Maryam Mazhar
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
- Cardiovascular and Cerebrovascular Research Center of Integrated Traditional Chinese and Western Medicine, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan, China
| | - Ahmad Ud Din
- Drug Discovery Research Center, Southwest Medical University Luzhou, Luzhou, China
| | - Hamid Ali
- Department of Biosciences, COMSATS University, Islamabad, Pakistan
| | - Guoqiang Yang
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
- Department of Acupuncture and Rehabilitation, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Wei Ren
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
- Cardiovascular and Cerebrovascular Research Center of Integrated Traditional Chinese and Western Medicine, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan, China
| | - Li Wang
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
- Cardiovascular and Cerebrovascular Research Center of Integrated Traditional Chinese and Western Medicine, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan, China
| | - Xiaohui Fan
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, China
| | - Sijin Yang
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China.
- Cardiovascular and Cerebrovascular Research Center of Integrated Traditional Chinese and Western Medicine, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan, China.
| |
Collapse
|
40
|
Kuzan A, Wujczyk M, Wiglusz RJ. The Study of the Aorta Metallomics in the Context of Atherosclerosis. Biomolecules 2021; 11:biom11070946. [PMID: 34202347 PMCID: PMC8301911 DOI: 10.3390/biom11070946] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 06/23/2021] [Accepted: 06/23/2021] [Indexed: 02/07/2023] Open
Abstract
Atherosclerosis is a multifactorial disease, for which the etiology is so complex that we are currently unable to prevent it and effectively lower the statistics on mortality from cardiovascular diseases. Parallel to modern analyses in molecular biology and biochemistry, we want to carry out analyses at the level of micro- and macroelements in order to discover the interdependencies between elements during atherogenesis. In this work, we used the Inductively Coupled Plasma Optical Emission Spectrometer (ICP-OES) to determine the content of calcium, magnesium, iron, copper, chromium, zinc, manganese, cadmium, lead, and zinc in the aorta sections of people who died a sudden death. We also estimated the content of metalloenzymes MMP-9, NOS-3, and SOD-2 using the immunohistochemical method. It was observed that with the age of the patient, the calcium content of the artery increased, while the content of copper and iron decreased. Very high correlations (correlation coefficient above 0.8) were observed for pairs of parameters in women: Mn–Ca, Fe–Cu, and Ca–Cd, and in men: Mn–Zn. The degree of atherosclerosis negatively correlated with magnesium and with cadmium. Chromium inhibited absorption of essential trace elements such as Cu and Fe due to its content being above the quantification threshold only if Cu and Fe were lower. Moreover, we discussed how to design research for the future in order to learn more about the pathomechanism of atherosclerosis and the effect of taking dietary supplements on the prevalence of cardiovascular diseases.
Collapse
Affiliation(s)
- Aleksandra Kuzan
- Department of Medical Biochemistry, Wroclaw Medical University, 50-368 Wroclaw, Poland
- Correspondence: ; Tel.: +48-71-7841-379
| | - Marta Wujczyk
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, 50-422 Wroclaw, Poland; (M.W.); (R.J.W.)
| | - Rafal J. Wiglusz
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, 50-422 Wroclaw, Poland; (M.W.); (R.J.W.)
| |
Collapse
|
41
|
Lagunas-Rangel FA. Deciphering the whale's secrets to have a long life. Exp Gerontol 2021; 151:111425. [PMID: 34051285 DOI: 10.1016/j.exger.2021.111425] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 05/22/2021] [Accepted: 05/24/2021] [Indexed: 01/20/2023]
Abstract
Whales are marine creatures known for their enormous size and that live in all the oceans on earth. One of the oldest known organisms is bowhead whales, which can survive up to 200 years, and similarly, other species of whales have shown a remarkable long lifespan. In addition to this, whales are highly resistant to cancer, a disease that is strongly related to aging and the accumulation of damage over time. These two characteristics make whales an interesting model to study and that can provide us with a track both to delay aging and to avoid pathologies associated with it, such as cancer. In the present work, we try to analyze different aspects of whales such as metabolism, hematological and biochemical characteristics, and properties of their genome and transcriptome in order to elucidate possible molecular mechanisms that evolution has provided to these aquatic mammals.
Collapse
Affiliation(s)
- Francisco Alejandro Lagunas-Rangel
- Department of Genetics and Molecular Biology, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV), Mexico City, Mexico; Department of Neuroscience, Functional Pharmacology, Uppsala University, Uppsala, Sweden.
| |
Collapse
|
42
|
Rodd BG, Tas AA, Taylor KDA. Dysphagia, texture modification, the elderly and micronutrient deficiency: a review. Crit Rev Food Sci Nutr 2021; 62:7354-7369. [PMID: 33905267 DOI: 10.1080/10408398.2021.1913571] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Dysphagia is an underlying symptom of many health issues affecting a person's ability to swallow. Being unable to swallow correctly may limit food intake and subsequently micronutrient status. The elderly may be the most at risk group of suffering dysphagia as well as most likely to be deficient in micronutrients. The use of texture-modified meals is a common approach to increasing dysphagia sufferer's food intake. The modification of food may affect the micronutrient content and currently there is a limited number of studies focusing on micronutrient content of texture-modified meals. This review considers the prevalence of dysphagia within the elderly UK community whilst assessing selected micronutrients. Vitamin B12, C, D, folate, zinc and iron, which are suggested to be most likely deficient in the general elderly UK population, were reviewed. Each micronutrient is considered in terms of prevalence of deficiency, metabolic function, food source and processing stability to provide an overview with respect to elderly dysphagia sufferers.
Collapse
Affiliation(s)
- B G Rodd
- National Centre for Food Manufacturing, College of Science, University of Lincoln, Lincoln, UK
| | - A A Tas
- National Centre for Food Manufacturing, College of Science, University of Lincoln, Lincoln, UK
| | - K D A Taylor
- National Centre for Food Manufacturing, College of Science, University of Lincoln, Lincoln, UK
| |
Collapse
|
43
|
Multiple Micronutrients, Including Zinc, Selenium and Iron, Are Positively Associated with Anemia in New Zealand Aged Care Residents. Nutrients 2021; 13:nu13041072. [PMID: 33806205 PMCID: PMC8066767 DOI: 10.3390/nu13041072] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/19/2021] [Accepted: 03/23/2021] [Indexed: 12/30/2022] Open
Abstract
Anemia is a significant comorbidity for older adults not fully attributable to iron deficiency. Low-grade inflammation and other micronutrient deficiencies also contribute. This cross-sectional study examined the relationships between nutrient and non-nutrient factors with hemoglobin and anemia in 285 residents (>65 years) of 16 New Zealand aged-care facilities. Blood samples were analyzed for hemoglobin, ferritin, sTfR, hepcidin, zinc, selenium, and interleukin-6 (IL-6), (with ferritin, sTfR, zinc and selenium adjusted for inflammation). Linear regression models examined the relationships between micronutrient biomarkers (iron, zinc, selenium, vitamin B-12 and D), age, sex, and health factors with hemoglobin. Thirty-two percent of participants exhibited anemia, although <2% had either depleted iron stores or iron deficiency. Plasma zinc and selenium deficiencies were present in 72% and 38% of participants, respectively. Plasma zinc and total body iron (TBI) were positively associated (p < 0.05) with hemoglobin, while gastric acid suppressing medications, hepcidin, and interleukin-6 were inversely associated. These relationships were maintained after the application of anemia cut-offs. These findings emphasize the importance of considering multiple micronutrient deficiencies as risk factors for anemia.
Collapse
|
44
|
Neidlein S, Wirth R, Pourhassan M. Iron deficiency, fatigue and muscle strength and function in older hospitalized patients. Eur J Clin Nutr 2021; 75:456-463. [PMID: 32901103 PMCID: PMC7943415 DOI: 10.1038/s41430-020-00742-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 07/31/2020] [Accepted: 08/26/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND/OBJECTIVES Iron deficiency is common in older patients. We investigated whether iron deficiency is an independent risk factor for functional impairment, low muscle function, fatigue, and rehabilitation progress in older hospitalized patients. SUBJECTS/METHODS Two hundred twenty-four patients (age range 65-95 years; 67% females) who were consecutively admitted to a geriatric acute care ward participated in this prospective longitudinal observational study. Ferritin, iron, transferrin in serum, and blood hemoglobin were measured and current iron supplementation was recorded. Fatigue and comorbidity were measured using the fatigue severity scale and Charlson Comorbidity Index, respectively. Barthel Index, handgrip strength, and isometric knee extension strength were conducted at the time of hospital admission and before discharge. RESULTS Ninety-one (41%) patients had iron deficiency in which the majority had functional iron deficiency (78/91, 86%). Absolute iron deficiency with and without anemia was diagnosed in 12 (13%) and one patients, respectively. Barthel Index and handgrip and knee extension strength significantly improved during hospitalization in iron deficiency and non-iron deficiency groups. Knee extension strength showed better improvement in iron-deficient patients receiving iron supplementation and iron supplementation during hospital stay was the main predictor for improvement in knee extension strength. Comorbidity, iron deficiency, and changes in handgrip strength were the major independent risk factors for poor improvement in Barthel Index during hospitalization. There were significant associations between patients' fatigue and iron deficiency, comorbidity, and female gender. CONCLUSION Iron deficiency is an independent risk factor for fatigue and poor functional recovery among older hospitalized patients. Iron supplementation seems to be capable of improving functional performance.
Collapse
Affiliation(s)
- Sophia Neidlein
- Department of Geriatric Medicine, Marien Hospital Herne, Ruhr-Universität Bochum, Herne, Germany
| | - Rainer Wirth
- Department of Geriatric Medicine, Marien Hospital Herne, Ruhr-Universität Bochum, Herne, Germany
| | - Maryam Pourhassan
- Department of Geriatric Medicine, Marien Hospital Herne, Ruhr-Universität Bochum, Herne, Germany.
| |
Collapse
|
45
|
Richards KC, Allen RP, Morrison J, Fry L, Kovach CR, Rangel A, Loera A, Wang Y, Hanlon AL, Lozano AJ, Bliwise DL. Nighttime Agitation in Persons with Dementia as a Manifestation of Restless Legs Syndrome. J Am Med Dir Assoc 2020; 22:1410-1414. [PMID: 33347845 DOI: 10.1016/j.jamda.2020.11.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 11/16/2020] [Accepted: 11/17/2020] [Indexed: 10/22/2022]
Abstract
OBJECTIVES Nighttime agitation or "sundowning" is challenging for clinicians and caregivers to manage in older adults in the dementia stage of Alzheimer's disease (AD-D). Our research previously revealed that nighttime agitation might be a manifestation of restless legs syndrome (RLS). The current study aims to describe the characteristics of older adults with AD-D, nighttime agitation, and RLS, and to evaluate sleep disturbance and iron status in relation to nighttime agitation severity. DESIGN An observational study with baseline descriptive and correlational data from a clinical trial. SETTING AND PARTICIPANTS Long-term care (n = 69) and independent living (n = 7); age 82.91 ± 9.46 years, with AD-D, nighttime agitation, and RLS. MEASUREMENTS Trained observers counted nighttime agitation behaviors. Independent variables were age; cognition measured by the Mini-Mental State Examination; minutes slept from actigraphy; transferrin saturation percentage (TS%) and transferrin from fasting blood samples; and illness severity using the Cumulative Illness Rating Scale for Geriatrics. Bivariate and multivariable linear regression models were generated. RESULTS In the multivariable model, sleep minutes (P = .002) and TS% (P = .003) were negatively associated with frequency of nighttime agitation behaviors, and they explained 20% of the variance. Seventy-nine percent received 1 or more medications that worsen RLS symptoms, such as antihistamines and serotonin reuptake inhibitors. CONCLUSIONS AND IMPLICATIONS We encourage clinicians to consider nighttime agitation as a manifestation of RLS. Treatment of iron deficiency indicated by low TS% and deprescribing medications that exacerbate RLS may decrease nighttime agitation, improve sleep, and enhance quality of life in older adults with AD-D.
Collapse
Affiliation(s)
- Kathy C Richards
- School of Nursing, University of Texas at Austin, Austin, TX, USA.
| | - Richard P Allen
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Janet Morrison
- School of Nursing, University of Texas at Austin, Austin, TX, USA
| | - Liam Fry
- Dell Medical School, University of Texas at Austin, Austin, TX, USA
| | - Christine R Kovach
- College of Nursing, University of Wisconsin-Milwaukee, Milwaukee, WI, USA
| | - Angelica Rangel
- School of Nursing, University of Texas at Austin, Austin, TX, USA
| | - Ana Loera
- School of Nursing, University of Texas at Austin, Austin, TX, USA
| | - Yanyan Wang
- School of Nursing, University of Texas at Austin, Austin, TX, USA
| | - Alexandra L Hanlon
- Center for Biostatistics and Health Data Science, Virginia Tech, Blacksburg, VA, USA
| | - Alicia J Lozano
- Center for Biostatistics and Health Data Science, Virginia Tech, Blacksburg, VA, USA
| | - Donald L Bliwise
- Department of Neurology, Emory University School of Medicine, Atlanta, GA, USA
| |
Collapse
|
46
|
Rakic A, Milovanovich ID, Trbovich AM, Stefanović S, Nikolić D, Janković S, Soldatović I, De Luka SR. Trace elements in different tissues in aging rats. J Trace Elem Med Biol 2020; 62:126604. [PMID: 32634768 DOI: 10.1016/j.jtemb.2020.126604] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 05/25/2020] [Accepted: 06/29/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND Trace elements (TE) in the human body provide a connecting link between the environment, lifestyle and biochemical modulation of homeodynamics. On the other hand, many non-essential (toxic) elements are linked to numerous diseases. Our study tried to identify differences in TE levels between healthy old and young Wistar rats in blood and the tissues of kidney, liver, heart, and testicles. Furthermore, we wanted to see if there were age-related differences in correlations between essential and/or non-essential (toxic) TE within and between mentioned tissues. METHODS We used 28 healthy male Wistar rats which were divided into two age groups: young, aged 10 weeks (n = 15) and old, aged 36 months (n = 13). The animals were sacrificed under general anesthesia and the blood samples, and samples from the tissues of the heart, kidneys, testicles, and liver were used for the determination of TE content in them. Analysis of the 16 elements was performed by inductively coupled plasma mass spectrometry (ICP-MS). RESULTS Toxic elements in old rats (As, Hg, and Cd) were significantly higher in all of the tissues where the difference in levels of these elements was found. Tissues of the kidney and liver had the most correlations between TE in old and young rats, respectively. In both old and young rats, arsenic was the toxic element that had most of the correlations with other essential or non-essential elements. In old rats, most of the TE correlations were detected between the tissues of the kidney and heart (11 correlations), while in young rats most of the correlations were observed between the tissues of kidney and liver, and kidney and testicles (with 9 correlations both). CONCLUSIONS Our study has found significant changes in levels of trace elements in all of the mentioned tissues, with kidney and testicles being the tissues with the most TE differences between the two aged groups. This and other similar studies should encourage other investigators to evaluate the mutual connections between TE and physiological, or the "unhealthy" aging. More studies with more tissues included, more biomarkers of the systemic function, and even molecular methods are needed to provide the answers to numerous questions relating to TE and aging.
Collapse
Affiliation(s)
- Aleksandar Rakic
- Department of Pathological Physiology, Faculty of Medicine, University of Belgrade, Dr Subotica 1, 11000 Belgrade, Serbia.
| | | | - Alexander M Trbovich
- Department of Pathological Physiology, Faculty of Medicine, University of Belgrade, Dr Subotica 1, 11000 Belgrade, Serbia.
| | - Srđan Stefanović
- Institute of Meat Hygiene and Technology, Kaćanskog 13, 11000 Belgrade, Serbia.
| | - Dragica Nikolić
- Institute of Meat Hygiene and Technology, Kaćanskog 13, 11000 Belgrade, Serbia.
| | - Saša Janković
- Institute of Meat Hygiene and Technology, Kaćanskog 13, 11000 Belgrade, Serbia.
| | - Ivan Soldatović
- Department of Medical Statistics and Informatics, Faculty of Medicine, University of Belgrade, Dr Subotica 15, 11000 Belgrade, Serbia.
| | - Silvio R De Luka
- Department of Pathological Physiology, Faculty of Medicine, University of Belgrade, Dr Subotica 1, 11000 Belgrade, Serbia.
| |
Collapse
|
47
|
Portugal-Nunes C, Castanho TC, Amorim L, Moreira PS, Mariz J, Marques F, Sousa N, Santos NC, Palha JA. Iron Status is Associated with Mood, Cognition, and Functional Ability in Older Adults: A Cross-Sectional Study. Nutrients 2020; 12:E3594. [PMID: 33238615 PMCID: PMC7700455 DOI: 10.3390/nu12113594] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 11/02/2020] [Accepted: 11/19/2020] [Indexed: 01/04/2023] Open
Abstract
Several conditions are risk factors for iron deficiency (ID), some of which are highly prevalent in older individuals. Despite the amount of evidence pointing for a role of ID in cognition, mood and physical functional ability, the research addressing these associations in older individuals is still scarce. In the present study, 162 older community-dwelling individuals (29.53% classified as ID) were enrolled in a cross-sectional analysis and characterized regarding cognition, mood, functional ability, general nutritional intake and iron status. Assessment of iron status was performed using several blood biomarkers. Storage and erythropoiesis dimensions were positively associated with memory, along with an interaction (moderator effect) between iron storage and nutritional status. A more depressed mood was negatively associated with (iron) transport, transport saturation and erythropoiesis dimensions, and functional tiredness was positively associated with the erythropoiesis dimension. These observations indicate that lower iron status is associated with depressive mood, functional tiredness and poorer memory ability, with the latter moderated by nutritional status. These findings suggest that using iron as a continuous variable may be useful in finding associations with iron homeostasis, eventually missed when iron levels are considered within the usual classification groups.
Collapse
Affiliation(s)
- Carlos Portugal-Nunes
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal; (C.P.-N.); (T.C.C.); (L.A.); (P.S.M.); (J.M.); (F.M.); (N.S.); (N.C.S.)
- ICVS/3B′s, PT Government Associate Laboratory, 4710-057 Braga/Guimarães, Portugal
- Clinical Academic Center—Braga, 4710-243 Braga, Portugal
| | - Teresa Costa Castanho
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal; (C.P.-N.); (T.C.C.); (L.A.); (P.S.M.); (J.M.); (F.M.); (N.S.); (N.C.S.)
- ICVS/3B′s, PT Government Associate Laboratory, 4710-057 Braga/Guimarães, Portugal
- Clinical Academic Center—Braga, 4710-243 Braga, Portugal
| | - Liliana Amorim
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal; (C.P.-N.); (T.C.C.); (L.A.); (P.S.M.); (J.M.); (F.M.); (N.S.); (N.C.S.)
- ICVS/3B′s, PT Government Associate Laboratory, 4710-057 Braga/Guimarães, Portugal
- Associação Centro de Medicina P5 (ACMP5), 4710-057 Braga, Portugal
| | - Pedro Silva Moreira
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal; (C.P.-N.); (T.C.C.); (L.A.); (P.S.M.); (J.M.); (F.M.); (N.S.); (N.C.S.)
- ICVS/3B′s, PT Government Associate Laboratory, 4710-057 Braga/Guimarães, Portugal
- Clinical Academic Center—Braga, 4710-243 Braga, Portugal
| | - José Mariz
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal; (C.P.-N.); (T.C.C.); (L.A.); (P.S.M.); (J.M.); (F.M.); (N.S.); (N.C.S.)
- ICVS/3B′s, PT Government Associate Laboratory, 4710-057 Braga/Guimarães, Portugal
- Clinical Academic Center—Braga, 4710-243 Braga, Portugal
- Emergency Department, Intermediate Care Unit (EDIMCU), Hospital de Braga, 4710-243 Braga, Portugal
| | - Fernanda Marques
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal; (C.P.-N.); (T.C.C.); (L.A.); (P.S.M.); (J.M.); (F.M.); (N.S.); (N.C.S.)
- ICVS/3B′s, PT Government Associate Laboratory, 4710-057 Braga/Guimarães, Portugal
| | - Nuno Sousa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal; (C.P.-N.); (T.C.C.); (L.A.); (P.S.M.); (J.M.); (F.M.); (N.S.); (N.C.S.)
- ICVS/3B′s, PT Government Associate Laboratory, 4710-057 Braga/Guimarães, Portugal
- Clinical Academic Center—Braga, 4710-243 Braga, Portugal
| | - Nadine Correia Santos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal; (C.P.-N.); (T.C.C.); (L.A.); (P.S.M.); (J.M.); (F.M.); (N.S.); (N.C.S.)
- ICVS/3B′s, PT Government Associate Laboratory, 4710-057 Braga/Guimarães, Portugal
- Associação Centro de Medicina P5 (ACMP5), 4710-057 Braga, Portugal
| | - Joana Almeida Palha
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal; (C.P.-N.); (T.C.C.); (L.A.); (P.S.M.); (J.M.); (F.M.); (N.S.); (N.C.S.)
- ICVS/3B′s, PT Government Associate Laboratory, 4710-057 Braga/Guimarães, Portugal
- Clinical Academic Center—Braga, 4710-243 Braga, Portugal
| |
Collapse
|
48
|
Manckoundia P, Konaté A, Hacquin A, Nuss V, Mihai AM, Vovelle J, Dipanda M, Putot S, Barben J, Putot A. Iron in the General Population and Specificities in Older Adults: Metabolism, Causes and Consequences of Decrease or Overload, and Biological Assessment. Clin Interv Aging 2020; 15:1927-1938. [PMID: 33116447 PMCID: PMC7548223 DOI: 10.2147/cia.s269379] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 09/01/2020] [Indexed: 12/15/2022] Open
Abstract
Iron is involved in many types of metabolism, including oxygen transport in hemoglobin. Iron deficiency (ID), ie a decrease in circulating iron, can have severe consequences. We provide an update on iron metabolism and ID, highlighting the particularities in older adults (OAs). There are three iron compartments in the human body: 1) the functional compartment, which consists of heme proteins including hemoglobin, myoglobin and respiratory enzymes; 2) iron reserves (IR), which consist mainly of liver stocks and are stored as ferritin; and 3) transferrin. There are two types of ID. Absolute ID is characterized by a decrease in IR. Its main pathophysiological mechanism is bleeding, which is often digestive and can be due to neoplasia, frequent in OAs. Biological assessment shows low serum ferritin and transferrin saturation (TS) levels. Furthermore, hypochromic microcytic anemia is frequent, and the serum-soluble transferrin receptor (sTfR) level is high. Functional ID, in which IR are high or normal, is due to inflammation, which is also frequent in OAs, particularly in its chronic form. Biological assessments show high serum ferritin, normal or low TS, and normal sTfR levels. Moreover, C-reactive protein is elevated, and there is moderate non-regenerative non-macrocytic anemia. The main characteristics of iron metabolism anomalies in the elderly are the high frequency of ID (20% of ID with anemia in adults ≥85 years) and the severity of its consequences, which include cognitive impairment in case of ID or iron overload and decrease of physical activity in case of ID. In conclusion, causes of ID are frequently intertwined in OAs as a result of the polymorbidity that characterizes them. ID can have dramatic consequences, especially in frail OAs. Thus, measuring the appropriate biological markers prevents errors in the positive diagnosis of ID type, clarifies etiology, and informs treatment-related decision-making.
Collapse
Affiliation(s)
- Patrick Manckoundia
- Pôle Personnes Âgées”, Hospital of Champmaillot, University Hospital of Dijon Burgundy, Dijon, France
| | - Amadou Konaté
- Unit of Diagnosis and Rapid Orientation (DIAGORA), Internal Medicine Department, Hospital of Saint-Eloi, University Hospital of Montpellier, Montpellier, France
| | - Arthur Hacquin
- Pôle Personnes Âgées”, Hospital of Champmaillot, University Hospital of Dijon Burgundy, Dijon, France
| | - Valentine Nuss
- Pôle Personnes Âgées”, Hospital of Champmaillot, University Hospital of Dijon Burgundy, Dijon, France
| | - Anca-Maria Mihai
- Pôle Personnes Âgées”, Hospital of Champmaillot, University Hospital of Dijon Burgundy, Dijon, France
| | - Jérémie Vovelle
- Pôle Personnes Âgées”, Hospital of Champmaillot, University Hospital of Dijon Burgundy, Dijon, France
| | - Mélanie Dipanda
- Pôle Personnes Âgées”, Hospital of Champmaillot, University Hospital of Dijon Burgundy, Dijon, France
| | - Sophie Putot
- Pôle Personnes Âgées”, Hospital of Champmaillot, University Hospital of Dijon Burgundy, Dijon, France
| | - Jérémy Barben
- Pôle Personnes Âgées”, Hospital of Champmaillot, University Hospital of Dijon Burgundy, Dijon, France
| | - Alain Putot
- Pôle Personnes Âgées”, Hospital of Champmaillot, University Hospital of Dijon Burgundy, Dijon, France
| |
Collapse
|
49
|
Grubić Kezele T, Ćurko-Cofek B. Age-Related Changes and Sex-Related Differences in Brain Iron Metabolism. Nutrients 2020; 12:E2601. [PMID: 32867052 PMCID: PMC7551829 DOI: 10.3390/nu12092601] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 08/24/2020] [Accepted: 08/25/2020] [Indexed: 12/21/2022] Open
Abstract
Iron is an essential element that participates in numerous cellular processes. Any disruption of iron homeostasis leads to either iron deficiency or iron overload, which can be detrimental for humans' health, especially in elderly. Each of these changes contributes to the faster development of many neurological disorders or stimulates progression of already present diseases. Age-related cellular and molecular alterations in iron metabolism can also lead to iron dyshomeostasis and deposition. Iron deposits can contribute to the development of inflammation, abnormal protein aggregation, and degeneration in the central nervous system (CNS), leading to the progressive decline in cognitive processes, contributing to pathophysiology of stroke and dysfunctions of body metabolism. Besides, since iron plays an important role in both neuroprotection and neurodegeneration, dietary iron homeostasis should be considered with caution. Recently, there has been increased interest in sex-related differences in iron metabolism and iron homeostasis. These differences have not yet been fully elucidated. In this review we will discuss the latest discoveries in iron metabolism, age-related changes, along with the sex differences in iron content in serum and brain, within the healthy aging population and in neurological disorders such as multiple sclerosis, Parkinson's disease, Alzheimer's disease, and stroke.
Collapse
Affiliation(s)
- Tanja Grubić Kezele
- Department of Physiology and Immunology, Faculty of Medicine, University of Rijeka, Braće Branchetta 20, 51000 Rijeka, Croatia;
- Clinical Department for Clinical Microbiology, Clinical Hospital Center Rijeka, Krešimirova 42, 51000 Rijeka, Croatia
| | - Božena Ćurko-Cofek
- Department of Physiology and Immunology, Faculty of Medicine, University of Rijeka, Braće Branchetta 20, 51000 Rijeka, Croatia;
| |
Collapse
|
50
|
Shin JA, Kim HS, Lee Kang J, Park EM. Estrogen deficiency is associated with brain iron deposition via upregulation of hepcidin expression in aged female mice. Neurobiol Aging 2020; 96:33-42. [PMID: 32920472 DOI: 10.1016/j.neurobiolaging.2020.08.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 08/02/2020] [Accepted: 08/17/2020] [Indexed: 01/19/2023]
Abstract
The total iron level in the brain increases with age, and excess iron is associated with neurodegenerative diseases; however, the mechanism of brain iron deposition is unknown. In peripheral cells, the expression of hepcidin, a master regulator of iron homeostasis, is regulated by estrogen. This study aimed to determine whether hepcidin was involved in iron deposition in the brain and brain endothelial cells of estrogen-deficient aged female mice. Aged mice showed increased levels of hepcidin and ferritin in the brain and brain microvessels compared with young mice, and these levels were reduced by estrogen replacement in ovariectomized aged mice. In the brain endothelial cell line bEnd.3, the lipopolysaccharide (10 ng/mL)-induced increases of hepcidin mRNA and protein levels, the number of Prussian blue-positive cells, and free radicals were reduced after estrogen treatment. These results suggest that estrogen deficiency with an increase of hepcidin is partly responsible for iron deposition in the brain and brain endothelial cells and that hepcidin can be a target to prevent brain aging and neurodegeneration in postmenopausal women.
Collapse
Affiliation(s)
- Jin A Shin
- Department of Pharmacology, College of Medicine, Ewha Womans University, Seoul, Republic of Korea
| | - Hee-Sun Kim
- Department of Molecular Medicine, College of Medicine, Ewha Womans University, Seoul, Republic of Korea
| | - Jihee Lee Kang
- Department of Physiology and Inflammation-Cancer Microenvironment Research Center, College of Medicine, Ewha Womans University, Seoul, Republic of Korea
| | - Eun-Mi Park
- Department of Pharmacology, College of Medicine, Ewha Womans University, Seoul, Republic of Korea.
| |
Collapse
|