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Thiyagarajan R, Zhang L, Glover OD, Kwack KH, Ahmed S, Murray E, Yellapu NK, Bard J, Seldeen KL, Rosario SR, Troen BR, Kirkwood KL. Age-related increase of CD38 directs osteoclastogenic potential of monocytic myeloid-derived suppressor cells through mitochondrial dysfunction in male mice. Aging Cell 2024:e14298. [PMID: 39180173 DOI: 10.1111/acel.14298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 07/19/2024] [Accepted: 07/19/2024] [Indexed: 08/26/2024] Open
Abstract
An aged immune system undergoes substantial changes where myelopoiesis dominates within the bone marrow. Monocytic-MDSCs (M-MDSCs) have been found to play an important role in osteoclastogenesis and bone resorption. In this study, we sought to provide a more comprehensive understanding of the osteoclastogenic potential of bone marrow M-MDSCs during normal aging through transcriptomic and metabolic changes. Using young mature and aged mice, detailed immunophenotypic analyses of myeloid cells revealed that the M-MDSCs were not increased in bone marrow, however M-MDSCS were significantly expanded in peripheral tissues. Although aged mice exhibited a similar number of M-MDSCs in bone marrow, these M-MDSCs had significantly higher osteoclastogenic potential and greater demineralization activity. Intriguingly, osteoclast progenitors from aged bone marrow M-MDSCs exhibited greater mitochondrial respiration rate and glucose metabolism. Further, transcriptomic analyses revealed the upregulation of mitochondrial oxidative phosphorylation and glucose metabolism genes. Interestingly, there was 8-fold increase in Cd38 mRNA gene expression, consistent with the Mouse Aging Cell Atlas transcriptomic database, and confirmed by qRT-PCR. CD38 regulates NAD+ availability, and 78c, a small molecule inhibitor of CD38, reduced the mitochondrial oxygen consumption rate and glucose metabolism and inhibited the osteoclastogenic potential of aged mice bone marrow-derived M-MDSCs. These results indicate that the age-related increase in Cd38 expression in M-MDSCs bias the transcriptome of M-MDSCs towards osteoclastogenesis. This enhanced understanding of the mechanistic underpinnings of M-MDSCs and their osteoclastogenesis during aging could lead to new therapeutic approaches for age-related bone loss and promote healthy aging.
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Affiliation(s)
- Ramkumar Thiyagarajan
- Division of Geriatrics, Department of Internal Medicine and Landon Center on Aging, University of Kansas School of Medicine, Kansas City, Kansas, USA
- Research Service, Veteran Affairs Kansas City Healthcare System, Kansas City, Missouri, USA
| | - Lixia Zhang
- Department of Oral Biology, School of Dental Medicine, University at Buffalo, Buffalo, New York, USA
| | - Omar D Glover
- Department of Oral Biology, School of Dental Medicine, University at Buffalo, Buffalo, New York, USA
| | - Kyu Hwan Kwack
- Department of Oral Biology, School of Dental Medicine, University at Buffalo, Buffalo, New York, USA
- Department of Oral Microbiology, College of Dentistry, Kyung Hee University, Seoul, Republic of Korea
| | - Sara Ahmed
- Department of Oral Biology, School of Dental Medicine, University at Buffalo, Buffalo, New York, USA
| | - Emma Murray
- Department of Oral Biology, School of Dental Medicine, University at Buffalo, Buffalo, New York, USA
| | - Nanda Kumar Yellapu
- Department of Biostatistics and Data Science, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Jonathan Bard
- Genomics and Bioinformatics Core, New York State Center of Excellence for Bioinformatics and Life Sciences, University at Buffalo, Buffalo, New York, USA
| | - Kenneth L Seldeen
- Division of Geriatrics, Department of Internal Medicine and Landon Center on Aging, University of Kansas School of Medicine, Kansas City, Kansas, USA
- Research Service, Veteran Affairs Kansas City Healthcare System, Kansas City, Missouri, USA
| | - Spencer R Rosario
- Department of Biostatistics and Bioinformatics and Experimental Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York, USA
| | - Bruce R Troen
- Division of Geriatrics, Department of Internal Medicine and Landon Center on Aging, University of Kansas School of Medicine, Kansas City, Kansas, USA
- Research Service, Veteran Affairs Kansas City Healthcare System, Kansas City, Missouri, USA
| | - Keith L Kirkwood
- Department of Oral Biology, School of Dental Medicine, University at Buffalo, Buffalo, New York, USA
- Department of Head and Neck/Plastic and Reconstructive Surgery, Roswell Park Comprehensive Cancer Center, Buffalo, New York, USA
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2
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Zhang N, Zhai L, Wong RMY, Cui C, Law SW, Chow SKH, Goodman SB, Cheung WH. Harnessing immunomodulation to combat sarcopenia: current insights and possible approaches. Immun Ageing 2024; 21:55. [PMID: 39103919 DOI: 10.1186/s12979-024-00458-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Accepted: 07/24/2024] [Indexed: 08/07/2024]
Abstract
Sarcopenia is a complex age-associated syndrome of progressive loss of muscle mass and strength. Although this condition is influenced by many factors, age-related changes in immune function including immune cell dynamics, and chronic inflammation contribute to its progression. The complex interplay between the immune system, gut-muscle axis, and autophagy further underscores their important roles in sarcopenia pathogenesis. Immunomodulation has emerged as a promising strategy to counteract sarcopenia. Traditional management approaches to treat sarcopenia including physical exercise and nutritional supplementation, and the emerging technologies of biophysical stimulation demonstrated the importance of immunomodulation and regulation of macrophages and T cells and reduction of chronic inflammation. Treatments to alleviate low-grade inflammation in older adults by modulating gut microbial composition and diversity further combat sarcopenia. Furthermore, some pharmacological interventions, nano-medicine, and cell therapies targeting muscle, gut microbiota, or autophagy present additional avenues for immunomodulation in sarcopenia. This narrative review explores the immunological underpinnings of sarcopenia, elucidating the relationship between the immune system and muscle during ageing. Additionally, the review discusses new areas such as the gut-muscle axis and autophagy, which bridge immune system function and muscle health. Insights into current and potential approaches for sarcopenia management through modulation of the immune system are provided, along with suggestions for future research directions and therapeutic strategies. We aim to guide further investigation into clinical immunological biomarkers and identify indicators for sarcopenia diagnosis and potential treatment targets to combat this condition. We also aim to draw attention to the importance of considering immunomodulation in the clinical management of sarcopenia.
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Affiliation(s)
- Ning Zhang
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, China.
- Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China.
| | - Liting Zhai
- School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Ronald Man Yeung Wong
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, China
| | - Can Cui
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, China
- Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Sheung-Wai Law
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, China
| | | | - Stuart B Goodman
- Department of Orthopaedic Surgery, Stanford University, Stanford, CA, USA
- Department of Bioengineering, Stanford University, Stanford, CA, USA
| | - Wing-Hoi Cheung
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, China.
- Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, China.
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3
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Carvalho RL, Brito TRP, Amaral JB, Monteiro FR, Lima DB, Pereira TAM, da Costa BF, Furtado GE, Rodrigues PMM, dos Santos CAF, Bachi ALL, Sarmento ADO. Unraveling the Interaction between Inflammation and the Cardiometabolic Index in Older Men: A Pilot Study. Nutrients 2024; 16:2529. [PMID: 39125408 PMCID: PMC11313730 DOI: 10.3390/nu16152529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2024] [Revised: 07/29/2024] [Accepted: 07/30/2024] [Indexed: 08/12/2024] Open
Abstract
Both cardiometabolic and chronic inflammatory diseases pose a significant challenge to global public health, particularly among older adults. Here, we investigated the interplay between systemic inflammatory status and the cardiometabolic index (CMI) in older men with adequate weight or obesity. In this observational cross-sectional study, older men (71.79 ± 7.35 years) were separated into groups with normal weight (NW, n = 34) and obesity (O, n = 32) to assess circulating levels of pro- and anti-inflammatory cytokines and CMI. Overall, the O group showed not only a higher inflammatory status but also increased CMI (p < 0.0001) compared with the NW group. Interestingly, only positive correlations were found between pro- and anti-inflammatory cytokines in both groups. Through multivariate regression analysis, IL-6 (β = -0.2276, p = 0.0003) and IL-10 (β = 0.2023, p = 0.0030) significantly influenced CMI in the NW group. No significant results were found in the O group. Our findings reinforce the effects of obesity in inflammaging, as well as suggesting that the influence of cytokines in CMI occurs in older men with normal weight, since the elevated pro-inflammatory profile observed in older men with obesity can interfere in this effect.
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Affiliation(s)
- Rafael L. Carvalho
- Postgraduate Program in Biomedical Engineering, Anhembi Morumbi University, Technological Innovation Park, São José dos Campos 12247-016, SP, Brazil; (R.L.C.); (A.d.O.S.)
| | - Tábatta R. P. Brito
- Faculty of Nutrition, Federal University of Alfenas, Alfenas 37130-001, MG, Brazil; (T.R.P.B.); (D.B.L.); (T.A.M.P.)
| | - Jônatas B. Amaral
- ENT Research Laboratory, Department of Otorhinolaryngology—Head and Neck Surgery, Federal University of Sao Paulo (UNIFESP), São Paulo 04021-001, SP, Brazil;
| | - Fernanda R. Monteiro
- Postgraduate Program in Health Sciences, Santo Amaro University (UNISA), São Paulo 04829-300, SP, Brazil;
| | - Daniela B. Lima
- Faculty of Nutrition, Federal University of Alfenas, Alfenas 37130-001, MG, Brazil; (T.R.P.B.); (D.B.L.); (T.A.M.P.)
| | - Thalles A. M. Pereira
- Faculty of Nutrition, Federal University of Alfenas, Alfenas 37130-001, MG, Brazil; (T.R.P.B.); (D.B.L.); (T.A.M.P.)
| | - Beatriz F. da Costa
- Faculty of Pharmacy, Campus Interlagos, Santo Amaro University, São Paulo 04829-300, SP, Brazil;
| | - Guilherme E. Furtado
- Polytechnic University of Coimbra, Rua da Misericórdia, Lagar dos Cortiços, S. Martinho do Bispo, 3045-093 Coimbra, Portugal;
- SPRINT—Sport Physical Activity and Health Research & Innovation Center, Polytechnic Institute of Coimbra, 3030-329 Coimbra, Portugal
- Research Centre for Natural Resources Environment and Society (CERNAS), Polytechnic Institute of Coimbra, Bencanta, 3045-601 Coimbra, Portugal
| | - Pamella M. M. Rodrigues
- Brazilian Institute of Teaching and Research in Pulmonary and Exercise Immunology (IBEPIPE), São Paulo 12245-520, SP, Brazil;
| | - Carlos A. F. dos Santos
- Postgraduate Program in Translational Medicine, Department of Medicine, Paulista School of Medicine, Federal University of São Paulo (UNIFESP), São Paulo 04023-062, SP, Brazil;
- Discipline of Geriatrics and Gerontology, Department of Medicine, Paulista School of Medicine, Federal University of Sao Paulo (UNIFESP), São Paulo 04020-050, SP, Brazil
| | - André L. L. Bachi
- Postgraduate Program in Health Sciences, Santo Amaro University (UNISA), São Paulo 04829-300, SP, Brazil;
| | - Adriana de Oliveira Sarmento
- Postgraduate Program in Biomedical Engineering, Anhembi Morumbi University, Technological Innovation Park, São José dos Campos 12247-016, SP, Brazil; (R.L.C.); (A.d.O.S.)
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Di Renzo L, Gualtieri P, Frank G, Cianci R, Caldarelli M, Leggeri G, Raffaelli G, Pizzocaro E, Cirillo M, De Lorenzo A. Exploring the Exposome Spectrum: Unveiling Endogenous and Exogenous Factors in Non-Communicable Chronic Diseases. Diseases 2024; 12:176. [PMID: 39195175 DOI: 10.3390/diseases12080176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2024] [Revised: 07/23/2024] [Accepted: 08/01/2024] [Indexed: 08/29/2024] Open
Abstract
The exposome encompasses all endogenous and exogenous exposure individuals encounter throughout their lives, including biological, chemical, physical, psychological, relational, and socioeconomic factors. It examines the duration and intensity of these types of exposure and their complex interactions over time. This interdisciplinary approach involves various scientific disciplines, particularly toxicology, to understand the long-term effects of toxic exposure on health. Factors like air pollution, racial background, and socioeconomic status significantly contribute to diseases such as metabolic, cardiovascular, neurodegenerative diseases, infertility, and cancer. Advanced analytical methods measure contaminants in biofluids, food, air, water, and soil, but often overlook the cumulative risk of multiple chemicals. An exposome analysis necessitates sophisticated tools and methodologies to understand health interactions and integrate findings into precision medicine for better disease diagnosis and treatment. Chronic exposure to environmental and biological stimuli can lead to persistent low-grade inflammation, which is a key factor in chronic non-communicable diseases (NCDs), such as obesity, cardiometabolic disorders, cancer, respiratory diseases, autoimmune conditions, and depression. These NCDs are influenced by smoking, unhealthy diets, physical inactivity, and alcohol abuse, all shaped by genetic, environmental, and social factors. Dietary patterns, especially ultra-processed foods, can exacerbate inflammation and alter gut microbiota. This study investigates the exposome's role in the prevention, development, and progression of NCDs, focusing on endogenous and exogenous factors.
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Affiliation(s)
- Laura Di Renzo
- Section of Clinical Nutrition and Nutrigenomics, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
| | - Paola Gualtieri
- Section of Clinical Nutrition and Nutrigenomics, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
| | - Giulia Frank
- PhD School of Applied Medical-Surgical Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
- School of Specialization in Food Science, University of Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
| | - Rossella Cianci
- Department of Translational Medicine and Surgery, Catholic University of the Sacred Heart, 00168 Rome, Italy
- Fondazione Policlinico Universitario A. Gemelli, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), 00168 Rome, Italy
| | - Mario Caldarelli
- Department of Translational Medicine and Surgery, Catholic University of the Sacred Heart, 00168 Rome, Italy
- Fondazione Policlinico Universitario A. Gemelli, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), 00168 Rome, Italy
| | - Giulia Leggeri
- Section of Clinical Nutrition and Nutrigenomics, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
| | - Glauco Raffaelli
- PhD School of Applied Medical-Surgical Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
- School of Specialization in Food Science, University of Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
| | - Erica Pizzocaro
- PhD School of Applied Medical-Surgical Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
- School of Specialization in Food Science, University of Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
| | - Michela Cirillo
- School of Specialization in Food Science, University of Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
| | - Antonino De Lorenzo
- Section of Clinical Nutrition and Nutrigenomics, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
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5
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Kamper RS, Nygaard H, Praeger‐Jahnsen L, Ekmann A, Ditlev SB, Schultz M, Hansen SK, Hansen P, Pressel E, Suetta C. GDF-15 is associated with sarcopenia and frailty in acutely admitted older medical patients. J Cachexia Sarcopenia Muscle 2024; 15:1549-1557. [PMID: 38890783 PMCID: PMC11294026 DOI: 10.1002/jcsm.13513] [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: 12/22/2023] [Revised: 04/30/2024] [Accepted: 05/15/2024] [Indexed: 06/20/2024] Open
Abstract
BACKGROUND Growth differentiation factor-15 (GDF-15) has been associated with senescence, lower muscle strength, and physical performance in healthy older people. Still, it is not clear whether GDF-15 can be utilized as a biomarker of sarcopenia and frailty in the early stages of hospitalization. We investigated the association of plasma GDF-15 with sarcopenia and frailty in older, acutely admitted medical patients. METHODS The present study is based on secondary analyses of cross-sectional data from the Copenhagen PROTECT study, a prospective cohort study including 1071 patients ≥65 years of age admitted to the acute medical ward at Copenhagen University Hospital, Bispebjerg, Denmark. Muscle strength was assessed using handgrip strength, and lean mass was assessed using direct segmental multifrequency bioelectrical impedance analyses and used to clarify the potential presence of sarcopenia defined according to guidelines from the European Working Group on Sarcopenia in Older People. Frailty was evaluated using the Clinical Frailty Scale. Plasma GDF-15 was measured using electrochemiluminescence assays from Meso Scale Discovery (MSD, Rockville, MD, USA). RESULTS We included 1036 patients with completed blood samples (mean age 78.9 ± 7.8 years, 53% female). The median concentration of GDF-15 was 2669.3 pg/mL. Systemic GDF-15 was significantly higher in patients with either sarcopenia (P < 0.01) or frailty (P < 0.001) compared with patients without the conditions. Optimum cut-off points of GDF-15 relating to sarcopenia and frailty were 1541 and 2166 pg/mL, respectively. CONCLUSIONS Systemic GDF-15 was higher in acutely admitted older medical patients with sarcopenia and frailty compared with patients without. The present study defined the optimum cut-off for GDF-15, related to the presence of sarcopenia and frailty, respectively. When elevated above the derived cutoffs, GDF-15 was strongly associated with frailty and sarcopenia in both crude and fully adjusted models.
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Affiliation(s)
- Rikke S. Kamper
- Department of Geriatric & Palliative MedicineCopenhagen University Hospital, Bispebjerg and FrederiksbergCopenhagenDenmark
- CopenAge, Copenhagen Center for Clinical Age ResearchUniversity of CopenhagenCopenhagenDenmark
| | - Hanne Nygaard
- Department of Geriatric & Palliative MedicineCopenhagen University Hospital, Bispebjerg and FrederiksbergCopenhagenDenmark
- CopenAge, Copenhagen Center for Clinical Age ResearchUniversity of CopenhagenCopenhagenDenmark
- Department of Emergency MedicineCopenhagen University Hospital, Bispebjerg and FrederiksbergCopenhagenDenmark
| | - Louis Praeger‐Jahnsen
- Copenhagen Center for Translational ResearchCopenhagen University Hospital, Bispebjerg and FrederiksbergCopenhagenDenmark
| | - Anette Ekmann
- Department of Geriatric & Palliative MedicineCopenhagen University Hospital, Bispebjerg and FrederiksbergCopenhagenDenmark
- CopenAge, Copenhagen Center for Clinical Age ResearchUniversity of CopenhagenCopenhagenDenmark
| | - Sisse Bolm Ditlev
- Copenhagen Center for Translational ResearchCopenhagen University Hospital, Bispebjerg and FrederiksbergCopenhagenDenmark
| | - Martin Schultz
- Department of GeriatricsCopenhagen University Hospital, Hvidovre and AmagerHvidovreDenmark
- Department of Clinical Medicine, Faculty of HealthUniversity of CopenhagenCopenhagenDenmark
| | - Sofie Krarup Hansen
- Department of Geriatric & Palliative MedicineCopenhagen University Hospital, Bispebjerg and FrederiksbergCopenhagenDenmark
- CopenAge, Copenhagen Center for Clinical Age ResearchUniversity of CopenhagenCopenhagenDenmark
| | - Pernille Hansen
- Department of Geriatric & Palliative MedicineCopenhagen University Hospital, Bispebjerg and FrederiksbergCopenhagenDenmark
- CopenAge, Copenhagen Center for Clinical Age ResearchUniversity of CopenhagenCopenhagenDenmark
| | - Eckart Pressel
- Department of Geriatric & Palliative MedicineCopenhagen University Hospital, Bispebjerg and FrederiksbergCopenhagenDenmark
- Department of Clinical Medicine, Faculty of HealthUniversity of CopenhagenCopenhagenDenmark
| | - Charlotte Suetta
- Department of Geriatric & Palliative MedicineCopenhagen University Hospital, Bispebjerg and FrederiksbergCopenhagenDenmark
- CopenAge, Copenhagen Center for Clinical Age ResearchUniversity of CopenhagenCopenhagenDenmark
- Department of Clinical Medicine, Faculty of HealthUniversity of CopenhagenCopenhagenDenmark
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Caldarelli M, Rio P, Marrone A, Giambra V, Gasbarrini A, Gambassi G, Cianci R. Inflammaging: The Next Challenge-Exploring the Role of Gut Microbiota, Environmental Factors, and Sex Differences. Biomedicines 2024; 12:1716. [PMID: 39200181 PMCID: PMC11351301 DOI: 10.3390/biomedicines12081716] [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: 06/30/2024] [Revised: 07/28/2024] [Accepted: 07/30/2024] [Indexed: 09/02/2024] Open
Abstract
The term 'inflammaging' has been coined to describe the chronic state of inflammation derived from ongoing cycles of tissue damage and the subsequent immune responses. This inflammatory status contributes to the decline of organs and physiological functions, accelerates the aging process, and increases the risk of age-related illnesses and death. During aging, the gut microbiota (GM) undergoes significant changes, including a decreased diversity of species, a decline in beneficial bacteria, and a rise in proinflammatory ones, resulting in persistent low-grade inflammation. Moreover, environmental factors, such as diet and medications, contribute to age-related changes in GM and immune function, preventing or promoting inflammaging. This narrative review aims to clarify the underlying mechanisms of inflammaging and to specifically investigate the influence of GM and several environmental factors on these mechanisms, while also exploring potential differences related to sex. Moreover, lifestyle and pharmacological interventions will be suggested to promote healthy aging.
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Affiliation(s)
- Mario Caldarelli
- Department of Translational Medicine and Surgery, Catholic University of Sacred Heart, 00168 Rome, Italy; (M.C.); (P.R.); (A.M.); (A.G.); (G.G.)
- Fondazione Policlinico Universitario A. Gemelli, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), 00168 Rome, Italy
| | - Pierluigi Rio
- Department of Translational Medicine and Surgery, Catholic University of Sacred Heart, 00168 Rome, Italy; (M.C.); (P.R.); (A.M.); (A.G.); (G.G.)
- Fondazione Policlinico Universitario A. Gemelli, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), 00168 Rome, Italy
| | - Andrea Marrone
- Department of Translational Medicine and Surgery, Catholic University of Sacred Heart, 00168 Rome, Italy; (M.C.); (P.R.); (A.M.); (A.G.); (G.G.)
- Fondazione Policlinico Universitario A. Gemelli, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), 00168 Rome, Italy
| | - Vincenzo Giambra
- Institute for Stem Cell Biology, Regenerative Medicine and Innovative Therapies (ISBReMIT), Fondazione IRCCS “Casa Sollievo della Sofferenza”, 71013 San Giovanni Rotondo, Italy;
| | - Antonio Gasbarrini
- Department of Translational Medicine and Surgery, Catholic University of Sacred Heart, 00168 Rome, Italy; (M.C.); (P.R.); (A.M.); (A.G.); (G.G.)
- Fondazione Policlinico Universitario A. Gemelli, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), 00168 Rome, Italy
| | - Giovanni Gambassi
- Department of Translational Medicine and Surgery, Catholic University of Sacred Heart, 00168 Rome, Italy; (M.C.); (P.R.); (A.M.); (A.G.); (G.G.)
- Fondazione Policlinico Universitario A. Gemelli, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), 00168 Rome, Italy
| | - Rossella Cianci
- Department of Translational Medicine and Surgery, Catholic University of Sacred Heart, 00168 Rome, Italy; (M.C.); (P.R.); (A.M.); (A.G.); (G.G.)
- Fondazione Policlinico Universitario A. Gemelli, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), 00168 Rome, Italy
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7
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Soraci L, Corsonello A, Paparazzo E, Montesanto A, Piacenza F, Olivieri F, Gambuzza ME, Savedra EV, Marino S, Lattanzio F, Biscetti L. Neuroinflammaging: A Tight Line Between Normal Aging and Age-Related Neurodegenerative Disorders. Aging Dis 2024; 15:1726-1747. [PMID: 38300639 PMCID: PMC11272206 DOI: 10.14336/ad.2023.1001] [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: 08/12/2023] [Accepted: 10/01/2023] [Indexed: 02/02/2024] Open
Abstract
Aging in the healthy brain is characterized by a low-grade, chronic, and sterile inflammatory process known as neuroinflammaging. This condition, mainly consisting in an up-regulation of the inflammatory response at the brain level, contributes to the pathogenesis of age-related neurodegenerative disorders. Development of this proinflammatory state involves the interaction between genetic and environmental factors, able to induce age-related epigenetic modifications. Indeed, the exposure to environmental compounds, drugs, and infections, can contribute to epigenetic modifications of DNA methylome, histone fold proteins, and nucleosome positioning, leading to epigenetic modulation of neuroinflammatory responses. Furthermore, some epigenetic modifiers, which combine and interact during the life course, can contribute to modeling of epigenome dynamics to sustain, or dampen the neuroinflammatory phenotype. The aim of this review is to summarize current knowledge about neuroinflammaging with a particular focus on epigenetic mechanisms underlying the onset and progression of neuroinflammatory cascades in the central nervous system; furthermore, we describe some diagnostic biomarkers that may contribute to increase diagnostic accuracy and help tailor therapeutic strategies in patients with neurodegenerative diseases.
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Affiliation(s)
- Luca Soraci
- Unit of Geriatric Medicine, Italian National Research Center of Aging (IRCCS INRCA), Cosenza, Italy.
| | - Andrea Corsonello
- Unit of Geriatric Medicine, Italian National Research Center of Aging (IRCCS INRCA), Cosenza, Italy.
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, Italy.
| | - Ersilia Paparazzo
- Department of Biology, Ecology and Earth Sciences, University of Calabria, Rende, Italy.
| | - Alberto Montesanto
- Department of Biology, Ecology and Earth Sciences, University of Calabria, Rende, Italy.
| | - Francesco Piacenza
- Advanced Technology Center for Aging Research, Italian National Research Center of Aging (IRCCS INRCA), IRCCS INRCA, Ancona, Italy.
| | - Fabiola Olivieri
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy.
- Clinic of Laboratory and Precision Medicine, Italian National Research Center of Aging (IRCCS INRCA), Ancona, Italy.
| | | | | | - Silvia Marino
- IRCCS Centro Neurolesi "Bonino-Pulejo”, Messina, Italy.
| | | | - Leonardo Biscetti
- Section of Neurology, Italian National Research Center on Aging (IRCCS INRCA), Ancona, Italy.
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8
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Dou L, Peng Y, Zhang B, Yang H, Zheng K. Immune Remodeling during Aging and the Clinical Significance of Immunonutrition in Healthy Aging. Aging Dis 2024; 15:1588-1601. [PMID: 37815906 PMCID: PMC11272210 DOI: 10.14336/ad.2023.0923] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 09/23/2023] [Indexed: 10/12/2023] Open
Abstract
Aging is associated with changes in the immune system and the gut microbiota. Immunosenescence may lead to a low-grade, sterile chronic inflammation in a multifactorial and dynamic way, which plays a critical role in most age-related diseases. Age-related changes in the gut microbiota also shape the immune and inflammatory responses. Nutrition is a determinant of immune function and of the gut microbiota. Immunonutrion has been regarded as a new strategy for disease prevention and management, including many age-related diseases. However, the understanding of the cause-effect relationship is required to be more certain about the role of immunonutrition in supporting the immune homeostasis and its clinical relevance in elderly individuals. Herein, we review the remarkable quantitative and qualitative changes during aging that contribute to immunosenescence, inflammaging and microbial dysbiosis, and the effects on late-life health conditions. Furthermore, we discuss the clinical significance of immunonutrition in the treatment of age-related diseases by systematically reviewing its modulation of the immune system and the gut microbiota to clarify the effect of immunonutrition-based interventions on the healthy aging.
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Affiliation(s)
- Lei Dou
- Department of Geriatrics, Tongji Hospital, Tongji Medical college, Huazhong University of Science and Technology, Wuhan 430030, China.
- Department of Surgery, Tongji Hospital, Tongji Medical college, Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Yang Peng
- Department of Geriatrics, Tongji Hospital, Tongji Medical college, Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Bin Zhang
- Department of Surgery, Tongji Hospital, Tongji Medical college, Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Huiyuan Yang
- Department of Surgery, Tongji Hospital, Tongji Medical college, Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Kai Zheng
- Department of Geriatrics, Tongji Hospital, Tongji Medical college, Huazhong University of Science and Technology, Wuhan 430030, China.
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9
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Hu Y, Aljumaah MR, Azcarate-Peril MA. Galacto-Oligosaccharides and the Elderly Gut: Implications for Immune Restoration and Health. Adv Nutr 2024; 15:100263. [PMID: 38897384 PMCID: PMC11292246 DOI: 10.1016/j.advnut.2024.100263] [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: 02/12/2024] [Revised: 04/23/2024] [Accepted: 06/13/2024] [Indexed: 06/21/2024] Open
Abstract
The increasing prevalence of noncommunicable diseases in the aging population has been correlated with a decline in innate and adaptive immune responses; hence, it is imperative to identify approaches to improve immune function, prevent related disorders, and reduce or treat age-associated health complications. Prebiotic supplementation is a promising approach to modulate the gut microbiome and immune system, offering a potential strategy to maintain the integrity of immune function in older individuals. This review summarizes the current research on prebiotic galacto-oligosaccharide (GOS) immunomodulatory mechanisms mediated by bacterial-derived metabolites, including short-chain fatty acids and secondary bile acids, to maintain immune homeostasis. The potential applications of GOS as immunotherapy for age-related disease prevention in older individuals are also highlighted. This aligns with the global shift toward proactive healthcare and emphasizes the significance of early intervention in directing an individual's health trajectory.
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Affiliation(s)
- Yunan Hu
- Department of Nutrition, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, United States; UNC Microbiome Core, Center for Gastrointestinal Biology and Disease (CGIBD), School of Medicine, University of North Carolina, Chapel Hill, NC, United States
| | - Mashael R Aljumaah
- UNC Microbiome Core, Center for Gastrointestinal Biology and Disease (CGIBD), School of Medicine, University of North Carolina, Chapel Hill, NC, United States; Department of Plant and Microbial Biology, North Carolina State University, Raleigh, NC, United States; Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Maria Andrea Azcarate-Peril
- Department of Nutrition, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, United States; UNC Microbiome Core, Center for Gastrointestinal Biology and Disease (CGIBD), School of Medicine, University of North Carolina, Chapel Hill, NC, United States.
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10
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Caiado F, Manz MG. IL-1 in aging and pathologies of hematopoietic stem cells. Blood 2024; 144:368-377. [PMID: 38781562 DOI: 10.1182/blood.2023023105] [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: 02/28/2024] [Revised: 05/01/2024] [Accepted: 05/13/2024] [Indexed: 05/25/2024] Open
Abstract
ABSTRACT Defense-oriented inflammatory reactivity supports survival at younger age but might contribute to health impairments in modern, aging societies. The interleukin-1 (IL-1) cytokines are highly conserved and regulated, pleiotropic mediators of inflammation, essential to respond adequately to infection and tissue damage but also with potential host damaging effects when left unresolved. In this review, we discuss how continuous low-level IL-1 signaling contributes to aging-associated hematopoietic stem and progenitor cell (HSPC) functional impairments and how this inflammatory selective pressure acts as a driver of more profound hematological alterations, such as clonal hematopoiesis of indeterminate potential, and to overt HSPC diseases, like myeloproliferative and myelodysplastic neoplasia as well as acute myeloid leukemia. Based on this, we outline how IL-1 pathway inhibition might be used to prevent or treat inflammaging-associated HSPC pathologies.
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Affiliation(s)
- Francisco Caiado
- Department of Medical Oncology and Hematology, University Hospital Zurich and University of Zurich, Comprehensive Cancer Center Zurich, Zurich, Switzerland
| | - Markus G Manz
- Department of Medical Oncology and Hematology, University Hospital Zurich and University of Zurich, Comprehensive Cancer Center Zurich, Zurich, Switzerland
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11
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Wang TW, Nakanishi M. Immune surveillance of senescence: potential application to age-related diseases. Trends Cell Biol 2024:S0962-8924(24)00121-1. [PMID: 39025762 DOI: 10.1016/j.tcb.2024.06.007] [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: 03/27/2024] [Revised: 06/18/2024] [Accepted: 06/20/2024] [Indexed: 07/20/2024]
Abstract
Several lines of evidence suggest that the age-dependent accumulation of senescent cells leads to chronic tissue microinflammation, which in turn contributes to age-related pathologies. In general, senescent cells can be eliminated by the host's innate and adaptive immune surveillance system, including macrophages, NK cells, and T cells. Impaired immune surveillance leads to the accumulation of senescent cells and accelerates the aging process. Recently, senescent cells, like cancer cells, have been shown to express certain types of immune checkpoint proteins as well as non-classical immune-tolerant MHC variants, leading to immune escape from surveillance systems. Thus, immune checkpoint blockade (ICB) may be a promising strategy to enhance immune surveillance of senescence, leading to the amelioration of some age-related diseases and tissue dysfunction.
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Affiliation(s)
- Teh-Wei Wang
- Division of Cancer Cell Biology, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan
| | - Makoto Nakanishi
- Division of Cancer Cell Biology, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan.
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12
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Wu L, Lin H, Li S, Huang Y, Sun Y, Shu S, Luo T, Liang T, Lai W, Rao J, Hu Z, Peng H. Macrophage iron dyshomeostasis promotes aging-related renal fibrosis. Aging Cell 2024:e14275. [PMID: 39016438 DOI: 10.1111/acel.14275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 05/31/2024] [Accepted: 07/01/2024] [Indexed: 07/18/2024] Open
Abstract
Renal aging, marked by the accumulation of senescent cells and chronic low-grade inflammation, leads to renal interstitial fibrosis and impaired function. In this study, we investigate the role of macrophages, a key regulator of inflammation, in renal aging by analyzing kidney single-cell RNA sequencing data of C57BL/6J mice from 8 weeks to 24 months. Our findings elucidate the dynamic changes in the proportion of kidney cell types during renal aging and reveal that increased macrophage infiltration contributes to chronic low-grade inflammation, with these macrophages exhibiting senescence and activation of ferroptosis signaling. CellChat analysis indicates enhanced communications between macrophages and tubular cells during aging. Suppressing ferroptosis alleviates macrophage-mediated tubular partial epithelial-mesenchymal transition in vitro, thereby mitigating the expression of fibrosis-related genes. Using SCENIC analysis, we infer Stat1 as a key age-related transcription factor promoting iron dyshomeostasis and ferroptosis in macrophages by regulating the expression of Pcbp1, an iron chaperone protein that inhibits ferroptosis. Furthermore, through virtual screening and molecular docking from a library of anti-aging compounds, we construct a docking model targeting Pcbp1, which indicates that the natural small molecule compound Rutin can suppress macrophage senescence and ferroptosis by preserving Pcbp1. In summary, our study underscores the crucial role of macrophage iron dyshomeostasis and ferroptosis in renal aging. Our results also suggest Pcbp1 as an intervention target in aging-related renal fibrosis and highlight Rutin as a potential therapeutic agent in mitigating age-related renal chronic low-grade inflammation and fibrosis.
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Affiliation(s)
- Lingzhi Wu
- Nephrology Division, Department of Medicine, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Hongchun Lin
- Nephrology Division, Department of Medicine, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Shaomin Li
- Nephrology Division, Department of Medicine, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yuebo Huang
- Nephrology Division, Department of Medicine, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yuxiang Sun
- Nephrology Division, Department of Medicine, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Shuangshuang Shu
- Nephrology Division, Department of Medicine, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Ting Luo
- Nephrology Division, Department of Medicine, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Tiantian Liang
- Nephrology Division, Department of Medicine, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Weiyan Lai
- Nephrology Division, Department of Medicine, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jialing Rao
- Nephrology Division, Department of Medicine, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zhaoyong Hu
- Nephrology Division, Department of Medicine, Baylor College of Medicine, Houston, TX, USA
| | - Hui Peng
- Nephrology Division, Department of Medicine, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-sen University) and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, China
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13
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Llitjos JF, Carrol ED, Osuchowski MF, Bonneville M, Scicluna BP, Payen D, Randolph AG, Witte S, Rodriguez-Manzano J, François B. Enhancing sepsis biomarker development: key considerations from public and private perspectives. Crit Care 2024; 28:238. [PMID: 39003476 PMCID: PMC11246589 DOI: 10.1186/s13054-024-05032-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Accepted: 07/10/2024] [Indexed: 07/15/2024] Open
Abstract
Implementation of biomarkers in sepsis and septic shock in emergency situations, remains highly challenging. This viewpoint arose from a public-private 3-day workshop aiming to facilitate the transition of sepsis biomarkers into clinical practice. The authors consist of international academic researchers and clinician-scientists and industry experts who gathered (i) to identify current obstacles impeding biomarker research in sepsis, (ii) to outline the important milestones of the critical path of biomarker development and (iii) to discuss novel avenues in biomarker discovery and implementation. To define more appropriately the potential place of biomarkers in sepsis, a better understanding of sepsis pathophysiology is mandatory, in particular the sepsis patient's trajectory from the early inflammatory onset to the late persisting immunosuppression phase. This time-varying host response urges to develop time-resolved test to characterize persistence of immunological dysfunctions. Furthermore, age-related difference has to be considered between adult and paediatric septic patients. In this context, numerous barriers to biomarker adoption in practice, such as lack of consensus about diagnostic performances, the absence of strict recommendations for sepsis biomarker development, cost and resources implications, methodological validation challenges or limited awareness and education have been identified. Biomarker-guided interventions for sepsis to identify patients that would benefit more from therapy, such as sTREM-1-guided Nangibotide treatment or Adrenomedullin-guided Enibarcimab treatment, appear promising but require further evaluation. Artificial intelligence also has great potential in the sepsis biomarker discovery field through capability to analyse high volume complex data and identify complex multiparametric patient endotypes or trajectories. To conclude, biomarker development in sepsis requires (i) a comprehensive and multidisciplinary approach employing the most advanced analytical tools, (ii) the creation of a platform that collaboratively merges scientific and commercial needs and (iii) the support of an expedited regulatory approval process.
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Affiliation(s)
- Jean-Francois Llitjos
- Open Innovation and Partnerships (OI&P), bioMérieux S.A., Marcy l'Etoile, France.
- Anesthesiology and Critical Care Medicine, Hospices Civils de Lyon, Edouard Herriot Hospital, Lyon, France.
| | - Enitan D Carrol
- Department of Clinical Infection, Microbiology and Immunology, University of Liverpool Institute of Infection Veterinary and Ecological Sciences, Liverpool, UK
- Department of Paediatric Infectious Diseases and Immunology, Alder Hey Children's NHS Foundation Trust, Liverpool, UK
| | - Marcin F Osuchowski
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, Vienna, Austria
| | - Marc Bonneville
- Medical and Scientific Affairs, Institut Mérieux, Lyon, France
| | - Brendon P Scicluna
- Department of Applied Biomedical Science, Faculty of Health Sciences, Mater Dei Hospital, University of Malta, Msida, Malta
- Centre for Molecular Medicine and Biobanking, University of Malta, Msida, Malta
| | - Didier Payen
- Paris 7 University Denis Diderot, Paris Sorbonne, Cité, France
| | - Adrienne G Randolph
- Departments of Anaesthesia and Pediatrics, Harvard Medical School, Boston, MA, USA
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Boston, MA, USA
| | | | | | - Bruno François
- Medical-Surgical Intensive Care Unit, Réanimation Polyvalente, Dupuytren University Hospital, CHU de Limoges, 2 Avenue Martin Luther King, 87042, Limoges Cedex, France.
- Inserm CIC 1435, Dupuytren University Hospital, Limoges, France.
- Inserm UMR 1092, Medicine Faculty, University of Limoges, Limoges, France.
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14
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Singh A, Schurman SH, Bektas A, Kaileh M, Roy R, Wilson DM, Sen R, Ferrucci L. Aging and Inflammation. Cold Spring Harb Perspect Med 2024; 14:a041197. [PMID: 38052484 PMCID: PMC11146314 DOI: 10.1101/cshperspect.a041197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
Aging can be conceptualized as the progressive disequilibrium between stochastic damage accumulation and resilience mechanisms that continuously repair that damage, which eventually cause the development of chronic disease, frailty, and death. The immune system is at the forefront of these resilience mechanisms. Indeed, aging is associated with persistent activation of the immune system, witnessed by a high circulating level of inflammatory markers and activation of immune cells in the circulation and in tissue, a condition called "inflammaging." Like aging, inflammaging is associated with increased risk of many age-related pathologies and disabilities, as well as frailty and death. Herein we discuss recent advances in the understanding of the mechanisms leading to inflammaging and the intrinsic dysregulation of the immune function that occurs with aging. We focus on the underlying mechanisms of chronic inflammation, in particular the role of NF-κB and recent studies targeting proinflammatory mediators. We further explore the dysregulation of the immune response with age and immunosenescence as an important mechanistic immune response to acute stressors. We examine the role of the gastrointestinal microbiome, age-related dysbiosis, and the integrated stress response in modulating the inflammatory "response" to damage accumulation and stress. We conclude by focusing on the seminal question of whether reducing inflammation is useful and the results of related clinical trials. In summary, we propose that inflammation may be viewed both as a clinical biomarker of the failure of resilience mechanisms and as a causal factor in the rising burden of disease and disabilities with aging. The fact that inflammation can be reduced through nonpharmacological interventions such as diet and exercise suggests that a life course approach based on education may be a successful strategy to increase the health span with few adverse consequences.
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Affiliation(s)
- Amit Singh
- Laboratory of Molecular Biology and Immunology, National Institute on Aging, Baltimore, Maryland 21224, USA
| | - Shepherd H Schurman
- Clinical Research Unit, National Institute on Aging, Baltimore, Maryland 21224, USA
| | - Arsun Bektas
- Translational Gerontology Branch, National Institute on Aging, Baltimore, Maryland 21224, USA
| | - Mary Kaileh
- Laboratory of Molecular Biology and Immunology, National Institute on Aging, Baltimore, Maryland 21224, USA
| | - Roshni Roy
- Laboratory of Molecular Biology and Immunology, National Institute on Aging, Baltimore, Maryland 21224, USA
| | - David M Wilson
- Biomedical Research Institute, Hasselt University, Diepenbeek 3500, Belgium
| | - Ranjan Sen
- Laboratory of Molecular Biology and Immunology, National Institute on Aging, Baltimore, Maryland 21224, USA
| | - Luigi Ferrucci
- Translational Gerontology Branch, National Institute on Aging, Baltimore, Maryland 21224, USA
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15
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Kado A, Tsutsumi T, Yotsuyanagi H, Ikeuchi K, Okushin K, Moriya K, Koike K, Fujishiro M. Differential peripheral memory T cell subsets sensitively indicate the severity of nonalcoholic fatty liver disease. Hepatol Res 2024; 54:525-539. [PMID: 38157267 DOI: 10.1111/hepr.14009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 12/19/2023] [Accepted: 12/23/2023] [Indexed: 01/03/2024]
Abstract
AIM Differential patterns of peripheral memory T cell subsets in nonalcoholic fatty liver disease (NAFLD) were assessed using flow cytometry (FCM) to elucidate their association with NAFLD severity and provide a new noninvasive method to sensitively detect the disease severity in addition to existing biomarkers. METHODS We assessed the differential frequencies of peripheral memory T cell subsets in 103 patients with NAFLD according to the degree of liver fibrosis (FIB) using FCM analysis. We focused on the following populations: CCR7+ CD45RA+ naïve T, CCR7+ CD45RA- central memory T cells (TCM), CCR7- CD45RA- effector memory T, and CCR7- CD45RA+ terminally differentiated effector memory T (TEMRA) cells in CD4+ and CD8+ T, Th1, Th2, and Th17 cells, respectively. To evaluate the pathological progression of the disease, these frequencies were also examined according to the degree of the NAFLD activity score (NAS). RESULTS Several significant correlations were observed between laboratory parameters and peripheral memory T lymphocyte frequencies according to the degree of liver FIB and NAS in NAFLD. In univariate and multivariate analyses, the frequency of CD8+ TEMRA cells predicted severe FIB, and the predictive power was validated in an independent cohort. Furthermore, the frequencies of several memory T cell subsets sensitively indicated the pathological progression of NAFLD (Th17 TCM: steatosis, CD4+ TCM: lobular inflammation, and CD8+ TEMRA and effector memory T cells: hepatocellular ballooning). CONCLUSIONS Our results suggest that the analysis of peripheral memory T lymphocyte frequencies can noninvasively predict severe FIB and sensitively indicate the pathological progression of NAFLD.
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Affiliation(s)
- Akira Kado
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Division for Health Service Promotion, The University of Tokyo, Tokyo, Japan
| | - Takeya Tsutsumi
- Department of Infection Control and Prevention, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Department of Infectious Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hiroshi Yotsuyanagi
- Division of Infectious Diseases, Advanced Clinical Research Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Kazuhiko Ikeuchi
- Department of Infectious Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Kazuya Okushin
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Department of Infection Control and Prevention, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Kyoji Moriya
- Division of Infection Control and Prevention, Education Research Center, The Tokyo Health Care University, Tokyo, Japan
| | - Kazuhiko Koike
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Department of Gastroenterology, Kanto Central Hospital, Tokyo, Japan
| | - Mitsuhiro Fujishiro
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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16
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Wang M, Han Y, Yao X, Duan X, Wan J, Lou X, Yan Y, Zheng P, Wang F, Zhu L, Ni C, Pan Z, Wang Z, Chen L, Wang Z, Qin Z. Hyperexpression of tumor necrosis factor receptor 2 inhibits differentiation of myeloid-derived suppressor cells by instigating apolarity during ageing. MedComm (Beijing) 2024; 5:e605. [PMID: 38868328 PMCID: PMC11167233 DOI: 10.1002/mco2.605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 04/09/2024] [Accepted: 05/08/2024] [Indexed: 06/14/2024] Open
Abstract
During the ageing process, TNF-α can promote the expansion of myeloid-derived suppressor cells (MDSCs). However, it remains unclear which receptor(s) of TNF-α are involved in and how they modulate this process. Here, we report that TNFR2 hyperexpression induced by either TNF-α or IL-6, two proinflammatory factors of senescence-associated secretory phenotype (SASP), causes cellular apolarity and differentiation inhibition in aged MDSCs. Ex vivo overexpression of TNFR2 in young MDSCs inhibited their polarity and differentiation, whereas in vivo depletion of Tnfr2 in aged MDSCs promotes their differentiation. Consequently, the age-dependent increase of TNFR2 versus unaltered TNFR1 expression in aged MDSCs significantly shifts the balance of TNF-α signaling toward the TNFR2-JNK axis, which accounts for JNK-induced impairment of cell polarity and differentiation failure of aged MDSCs. Consistently, inhibiting JNK attenuates apolarity and partially restores the differentiation capacity of aged MDSCs, suggesting that upregulated TNFR2/JNK signaling is a key factor limiting MDSC differentiation during organismal ageing. Therefore, abnormal hyperexpression of TNFR2 represents a general mechanism by which extrinsic SASP signals disrupt intrinsic cell polarity behavior, thereby arresting mature differentiation of MDSCs with ageing, suggesting that TNFR2 could be a potential therapeutic target for intervention of ageing through rejuvenation of aged MDSCs.
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Affiliation(s)
- Ming Wang
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Yijie Han
- Key Laboratory of Protein and Peptide Pharmaceuticals, Institute of BiophysicsChinese Academy of SciencesBeijingChina
| | - Xiaohan Yao
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Xixi Duan
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Jiajia Wan
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Xiaohan Lou
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Yan Yan
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Peiguo Zheng
- Clinical Laboratorythe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Fazhan Wang
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Linyu Zhu
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Chen Ni
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Zhenzhen Pan
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Zihao Wang
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Lin Chen
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
| | - Zhaoqing Wang
- Key Laboratory of Protein and Peptide Pharmaceuticals, Institute of BiophysicsChinese Academy of SciencesBeijingChina
| | - Zhihai Qin
- Medical Research Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhouHenanChina
- Key Laboratory of Protein and Peptide Pharmaceuticals, Institute of BiophysicsChinese Academy of SciencesBeijingChina
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17
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Du M, Sun L, Guo J, Lv H. Macrophages and tumor-associated macrophages in the senescent microenvironment: From immunosuppressive TME to targeted tumor therapy. Pharmacol Res 2024; 204:107198. [PMID: 38692466 DOI: 10.1016/j.phrs.2024.107198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 04/02/2024] [Accepted: 04/24/2024] [Indexed: 05/03/2024]
Abstract
In-depth studies of the tumor microenvironment (TME) have helped to elucidate its cancer-promoting mechanisms and inherent characteristics. Cellular senescence, which acts as a response to injury and can the release of senescence-associated secretory phenotypes (SASPs). These SASPs release various cytokines, chemokines, and growth factors, remodeling the TME. This continual development of a senescent environment could be associated with chronic inflammation and immunosuppressive TME. Additionally, SASPs could influence the phenotype and function of macrophages, leading to the recruitment of tumor-associated macrophages (TAMs). This contributes to tumor proliferation and metastasis in the senescent microenvironment, working in tandem with immune regulation, angiogenesis, and therapeutic resistance. This comprehensive review covers the evolving nature of the senescent microenvironment, macrophages, and TAMs in tumor development. We also explored the links between chronic inflammation, immunosuppressive TME, cellular senescence, and macrophages. Moreover, we compiled various tumor-specific treatment strategies centered on cellular senescence and the current challenges in cellular senescence research. This study aimed to clarify the mechanism of macrophages and the senescent microenvironment in tumor progression and advance the development of targeted tumor therapies.
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Affiliation(s)
- Ming Du
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, China
| | - Lu Sun
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, China
| | - Jinshuai Guo
- Department of General Surgery, Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning 110004, China.
| | - Huina Lv
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, China.
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18
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Han T, Xu Y, Sun L, Hashimoto M, Wei J. Microglial response to aging and neuroinflammation in the development of neurodegenerative diseases. Neural Regen Res 2024; 19:1241-1248. [PMID: 37905870 DOI: 10.4103/1673-5374.385845] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 07/17/2023] [Indexed: 11/02/2023] Open
Abstract
ABSTRACT Cellular senescence and chronic inflammation in response to aging are considered to be indicators of brain aging; they have a great impact on the aging process and are the main risk factors for neurodegeneration. Reviewing the microglial response to aging and neuroinflammation in neurodegenerative diseases will help understand the importance of microglia in neurodegenerative diseases. This review describes the origin and function of microglia and focuses on the role of different states of the microglial response to aging and chronic inflammation on the occurrence and development of neurodegenerative diseases, including Alzheimer's disease, Huntington's chorea, and Parkinson's disease. This review also describes the potential benefits of treating neurodegenerative diseases by modulating changes in microglial states. Therefore, inducing a shift from the neurotoxic to neuroprotective microglial state in neurodegenerative diseases induced by aging and chronic inflammation holds promise for the treatment of neurodegenerative diseases in the future.
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Affiliation(s)
- Tingting Han
- Institute for Brain Sciences Research, School of Life Sciences, Henan University, Kaifeng, Henan Province, China
| | - Yuxiang Xu
- Institute for Brain Sciences Research, School of Life Sciences, Henan University, Kaifeng, Henan Province, China
| | - Lin Sun
- Institute for Brain Sciences Research, School of Life Sciences, Henan University, Kaifeng, Henan Province, China
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng, Henan Province, China
| | - Makoto Hashimoto
- Department of Basic Technology, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Jianshe Wei
- Institute for Brain Sciences Research, School of Life Sciences, Henan University, Kaifeng, Henan Province, China
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19
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Serhan CN, Bäck M, Chiurchiù V, Hersberger M, Mittendorfer B, Calder PC, Waitzberg DL, Stoppe C, Klek S, Martindale RG. Expert consensus report on lipid mediators: Role in resolution of inflammation and muscle preservation. FASEB J 2024; 38:e23699. [PMID: 38805158 DOI: 10.1096/fj.202400619r] [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: 03/20/2024] [Revised: 04/22/2024] [Accepted: 05/13/2024] [Indexed: 05/29/2024]
Abstract
This meeting report presents a consensus on the biological aspects of lipid emulsions in parenteral nutrition, emphasizing the unanimous support for the integration of lipid emulsions, particularly those containing fish oil, owing to their many potential benefits beyond caloric provision. Lipid emulsions have evolved from simple energy sources to complex formulations designed to improve safety profiles and offer therapeutic benefits. The consensus highlights the critical role of omega-3 polyunsaturated fatty acids (PUFAs), notably eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), found in fish oil and other marine oils, for their anti-inflammatory properties, muscle mass preservation, and as precursors to the specialized pro-resolving mediators (SPMs). SPMs play a significant role in immune modulation, tissue repair, and the active resolution of inflammation without impairing host defense mechanisms. The panel's agreement underscores the importance of incorporating fish oil within clinical practices to facilitate recovery in conditions like surgery, critical illness, or immobility, while cautioning against therapies that might disrupt natural inflammation resolution processes. This consensus not only reaffirms the role of specific lipid components in enhancing patient outcomes, but also suggests a shift towards nutrition-based therapeutic strategies in clinical settings, advocating for the proactive evidence-based use of lipid emulsions enriched with omega-3 PUFAs. Furthermore, we should seek to apply our knowledge concerning DHA, EPA, and their SPM derivatives, to produce more informative randomized controlled trial protocols, thus allowing more authoritative clinical recommendations.
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Affiliation(s)
- Charles N Serhan
- Center for Experimental Therapeutics and Reperfusion Injury, Hale Building for Transformative Medicine, Boston, Massachusetts, USA
| | - Magnus Bäck
- Department of Medicine Solna, Karolinska Institute, Solna, Sweden
- Department of Cardiology, Karolinska University Hospital, Stockholm, Sweden
- INSERM U1116, Université de Lorraine, Nancy University Hospital, Vandoeuvre les Nancy, France
| | - Valerio Chiurchiù
- Institute of Translational Pharmacology, National Research Council of Rome, Rome, Italy
- Laboratory of Resolution of Neuroinflammation, European Center for Brain Research, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Santa Lucia Foundation, Rome, Italy
| | - Martin Hersberger
- Division of Clinical Chemistry and Biochemistry, University Children's Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Bettina Mittendorfer
- Department of Medicine, University of Missouri School of Medicine, Columbia, Missouri, USA
- Department of Nutrition & Exercise Physiology, University of Missouri School of Medicine, Columbia, Missouri, USA
| | - Philip C Calder
- Faculty of Medicine, University of Southampton and NIHR Southampton Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust and University of Southampton, Southampton, UK
| | - Dan L Waitzberg
- Department of Gastroenterology, School of Medicine, University of Sao Paulo, Hospital das Clínicas LIM 35, Ganep-Human Nutrition, Sao Paulo, Brazil
| | - Christian Stoppe
- Department of Anesthesiology, Intensive Care, Emergency, and Pain Medicine, University Hospital Wuerzburg, Wuerzburg, Germany
- Department of Cardiac Anesthesiology and Intensive Care Medicine, Charité Berlin, Berlin, Germany
| | - Stanislaw Klek
- Surgical Oncology Clinic, The Maria Sklodowska-Curie National Cancer Institute, Krakow, Poland
| | - Robert G Martindale
- Department of Surgery, Oregon Health and Science University, Portland, Oregon, USA
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20
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Song G, Lu Y. Association between the dietary inflammatory index and all-cause mortality in osteoarthritis. BMC Musculoskelet Disord 2024; 25:407. [PMID: 38783297 PMCID: PMC11112835 DOI: 10.1186/s12891-024-07506-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 05/07/2024] [Indexed: 05/25/2024] Open
Abstract
BACKGROUND To investigate the association between the Dietary Inflammatory Index (DII) and all-cause mortality in patients with osteoarthritis (OA). METHODS In this retrospective cohort study, data on OA patients were obtained from the National Health and Nutrition Examination Survey (NHANES) 2003-2018. OA diagnosis was self-reported. The study population was divided into low and high DII groups based on the DII's median. All-cause mortality was the outcome, which was determined via linkage to the National Death Index (NDI) until 31 December 2019. Multivariable Cox regression analyses were employed to investigate the association between the DII and all-cause mortality. The survival of the low and high DII groups was exhibited by Kaplan-Meier curves. Furthermore, subgroup analyses were carried out in terms of age and comorbidity. RESULTS A total of 3804 patients with OA were included, with 1902 (50%) in the low DII group and 1902 (50%) in the high DII group. Patients with a high DII had a significantly greater risk of all-cause mortality than those with a low DII (HR = 1.21, 95%CI: 1.02-1.44, P = 0.025). A high DII was associated with a significantly increased risk of all-cause mortality compared with a low DII in patients aged ≥ 65 years [hazard ratio (HR) = 1.28, 95% confidence level (CI): 1.07-1.53, P = 0.006). Hypertensive patients with a high DII had a significantly greater risk of all-cause mortality than those with a low DII (HR = 1.25, 95%CI: 1.03-1.52, P = 0.025). For patients with cardiovascular disease (CVD), a high DII was associated with a significantly higher risk of all-cause mortality than a low DII (HR = 1.43, 95%CI: 1.17-1.75, P < 0.001). A high DII was associated with a significantly greater risk of all-cause mortality, as compared with a low DII in patients with chronic kidney disease (CKD) (HR = 1.22, 95%CI: 1.02-1.45, P = 0.026). CONCLUSION The DII was positively associated with the risk of all-cause mortality in patients with OA. This association differed by age, hypertension, CVD, and CKD. Adherence to diet with a low DII may be beneficial in prognosis improvement.
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Affiliation(s)
- Genglu Song
- Department of Orthopedics and Traumatology, Qiannan Buyi and Miao Autonomous Prefecture Hospital of Traditional Chinese Medicine, No. 32 Jianjiang Middle Road, Qiannan Buyi and Miao Autonomous Prefecture, Duyun, 558000, Guizhou, People's Republic of China.
| | - Yaoyu Lu
- Department of Orthopedics and Traumatology, Qiannan Buyi and Miao Autonomous Prefecture Hospital of Traditional Chinese Medicine, No. 32 Jianjiang Middle Road, Qiannan Buyi and Miao Autonomous Prefecture, Duyun, 558000, Guizhou, People's Republic of China
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21
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Tam LM, Hocker K, David T, Williams EM. The Influence of Social Dynamics on Biological Aging and the Health of Historically Marginalized Populations: A Biopsychosocial Model for Health Disparities. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2024; 21:554. [PMID: 38791769 PMCID: PMC11121718 DOI: 10.3390/ijerph21050554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/18/2024] [Accepted: 04/21/2024] [Indexed: 05/26/2024]
Abstract
Historically marginalized populations are susceptible to social isolation resulting from their unique social dynamics; thus, they incur a higher risk of developing chronic diseases across the course of life. Research has suggested that the cumulative effect of aging trajectories per se, across the lifespan, determines later-in-life disease risks. Emerging evidence has shown the biopsychosocial effects of social stress and social support on one's wellbeing in terms of inflammation. Built upon previous multidisciplinary findings, here, we provide an overarching model that explains how the social dynamics of marginalized populations shape their rate of biological aging through the inflammatory process. Under the framework of social stress and social support theories, this model aims to facilitate our understanding of the biopsychosocial impacts of social dynamics on the wellbeing of historically marginalized individuals, with a special emphasis on biological aging. We leverage this model to advance our mechanistic understanding of the health disparity observed in historically marginalized populations and inform future remediation strategies.
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Affiliation(s)
- Lok Ming Tam
- Department of Environmental Medicine, School of Medicine and Dentistry, University of Rochester, Rochester, NY 14642, USA;
- Clinical and Translational Science Institute, University of Rochester Medical Center, Rochester, NY 14642, USA;
| | - Kristin Hocker
- School of Nursing, University of Rochester, Rochester, NY 14642, USA;
| | - Tamala David
- Clinical and Translational Science Institute, University of Rochester Medical Center, Rochester, NY 14642, USA;
- Department of Nursing, State University of New York Brockport, Brockport, NY 14420, USA
| | - Edith Marie Williams
- Office of Health Equity Research, School of Medicine and Dentistry, University of Rochester, Rochester, NY 14642, USA
- Center for Community Health and Prevention, University of Rochester, 46 Prince St Ste 1001, Rochester, NY 14607, USA
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22
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Teng H, He Z, Hong C, Xie S, Zha X. Extraction, purification, structural characterization and pharmacological activities of polysaccharides from sea buckthorn (Hippophae rhamnoides L.): A review. JOURNAL OF ETHNOPHARMACOLOGY 2024; 324:117809. [PMID: 38266946 DOI: 10.1016/j.jep.2024.117809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 01/08/2024] [Accepted: 01/20/2024] [Indexed: 01/26/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Sea buckthorn (Hippophae rhamnoides L.) is an edible fruit with a long history in China as a medicinal plant. The fruits of H. rhamnoides are rich in a variety of nutrients and pharmacological active compounds. As one of the most important active ingredients in sea buckthorn, polysaccharides have attracted the attention of researchers due to their antioxidant, anti-fatigue, and liver protective qualities. AIM OF THE REVIEW This review summarizes recent studies on extraction, purification, structural characterization and pharmacological activities of polysaccharides from sea buckthorn. In addition, the relationship between the structure and the activities of sea buckthorn polysaccharides (SBPS) were discussed. This review would provide important research bases and up-to-date information for the future in-depth development and application of sea buckthorn polysaccharides in the field of pharmaceuticals and functional foods. MATERIALS AND METHODS By inputting the search term "Sea buckthorn polysaccharides", relevant research information was obtained from databases such as Web of Science, Google Scholar, PubMed, China Knowledge Network (CNKI), China Master Theses Full-text Database, and China Doctoral Dissertations Full-text Database. RESULTS The main extraction methods of SBPS include hot water extraction (HWE), ultrasonic assisted extraction (UAE), microwave-assisted extraction (MAE), flash extraction (FE), and ethanol extraction. More than 20 polysaccharides have been isolated from sea buckthorn fruits. The chemical structures of sea buckthorn polysaccharides obtained by different extraction, isolation, and purification methods are diverse. Polysaccharides from sea buckthorn display a variety of pharmacological properties, including antioxidant, anti-fatigue, liver protection, anti-obesity, regulation of intestinal flora, immunoregulation, anti-tumor, anti-inflammatory, and hypoglycemic activities. CONCLUSIONS Sea buckthorn has a long medicinal history and characteristics of an ethnic medicine and food. Polysaccharides are one of the main active components of sea buckthorn, and they have received increasing attention from researchers. Sea buckthorn polysaccharides have remarkable pharmacological activities, health benefits, and broad application prospects. In addition, further exploration of the chemical structure of SBPS, in-depth study of their pharmacological activities, identification of their material basis, characterization of disease resistance mechanisms, and potential health functions are still directions of future research. With the accumulation of research on the extraction and purification processes, chemical structure, pharmacological effects, molecular mechanisms, and structure-activity relationships, sea buckthorn polysaccharides derived from natural resources will ultimately make significant contributions to human health.
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Affiliation(s)
- Hao Teng
- School of Leisure and Health, Guilin Tourism University, Guilin, 541006, China.
| | - Zhigui He
- School of Leisure and Health, Guilin Tourism University, Guilin, 541006, China
| | - Chengzhi Hong
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Songzi Xie
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China
| | - Xueqiang Zha
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China.
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23
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Sun Y, Qi Z, Xu Y, Li C, Zhao J, Liu T. Anti-inflammatory, analgesic, antitussive and antipyretic activities of polyphenol-enriched fraction from Nymphaea candida. JOURNAL OF ETHNOPHARMACOLOGY 2024; 324:117789. [PMID: 38266950 DOI: 10.1016/j.jep.2024.117789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/11/2024] [Accepted: 01/16/2024] [Indexed: 01/26/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE "Snow-white waterlily" (Nymphaea candida) dried flower possesses various efficacy in Uighur medicine such as reducing fever and nourishing the liver, anti-inflammatory and cough relieving, moistening the throat and quenching thirst. AIM OF THE STUDY Polyphenols are characteristic component of N. candida as well as its quality markers, and the purpose of this study was to conduct investigations into anti-inflammatory, antitussive, antipyretic, and analgesic activities of the polyphenol-enriched fraction from N. candida (NCTP) in order to validate the traditional efficacy of this plant. MATERIALS AND METHODS The polyphenols in NCTP were analyzed by HPLC, and an acute oral toxicity study was conducted for NCTP. The anti-inflammatory activities of NCTP were evaluated using xylene induced ear edema, capillary permeability, cotton pellet granuloma, and carrageenan-induced rat paw edema, of which multiple biochemical indices were measured in carrageenan-induced rat paw edema such as prostaglandin E2 (PGE2), cyclooxygenase-2 (COX-2),5-lipoxygenase (5-LOX), interleukin-6 (IL-6), interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), malondialdehyde (MDA), superoxide dismutase (SOD) and glutathione (GSH) activities; the analgesic activities were investigated using acetic acid writhing, hot plate test, and formalin test; the anti-tussive and antipyretic effects were tested by ammonia induced cough in mice and yeast-induced fever respectively. RESULTS NCTP with LD50 of 5222 mg/kg was low toxicity and safety. NCTP (200 mg/kg) could significantly reduce ear swelling and capillary permeability by 30.63% and 31.37%, respectively. NCTP revealed 15.76% inhibiting activities in cotton pellet granuloma in mice at a dosage of 200 mg/kg. Furthermore, NCTP (50, 100, and 200 mg/kg) substantially decreased carrageenin-induced paw edema in rats between 1 and 5 h, and NCTP could decrease PGE2, 5-LOX, COX-2 levels as well as IL-6, IL-1β, TNF-α activities compared with the control group; NCTP could decrease MDA contents in carrageenin-induced rise, and increase SOD and GSH activities. Furthermore, the dose-dependent inhibition effect of NCTP on pain was revealed in the hot plate experiment. In addition to reducing the amount of writhes brought on by acetic acid, NCTP (50, 100, and 200 mg/kg) significantly inhibited pain latency against both stages of the formalin test. Moreover, NCTP (50, 100, 200 mg/kg) showed the better antitussive activities in mice in a dose-dependent manner. In the yeast-induced pyrexia test, dosages of 50, 100, and 200 mg/kg resulted in a statistically significant drop in rectal temperature. CONCLUSION The experimental results proved the analgesic, anti-inflammatory, anti-tussive and antipyretic activities of the polyphenol-enriched fraction from N. candida, and supported the traditional use of this plant as well.
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Affiliation(s)
- Yuan Sun
- School of Pharmacy, Xinjiang Medical University, Urumqi, 830011, China.
| | - Zhaoyao Qi
- School of Toxicology, School of Public Health, Xinjiang Medical University, Urumqi, 830011, China.
| | - Yuanhui Xu
- School of Toxicology, School of Public Health, Xinjiang Medical University, Urumqi, 830011, China.
| | - Chenyang Li
- Xinjiang Key Laboratory for Uighur Medicine, Institute of Materia Medica of Xinjiang, Urumqi, 830004, China.
| | - Jun Zhao
- School of Pharmacy, Xinjiang Medical University, Urumqi, 830011, China; Xinjiang Key Laboratory for Uighur Medicine, Institute of Materia Medica of Xinjiang, Urumqi, 830004, China.
| | - Tao Liu
- School of Toxicology, School of Public Health, Xinjiang Medical University, Urumqi, 830011, China.
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24
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He X, Gao X, Xie W. Research Progress in Skin Aging and Immunity. Int J Mol Sci 2024; 25:4101. [PMID: 38612909 PMCID: PMC11012511 DOI: 10.3390/ijms25074101] [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: 03/18/2024] [Revised: 04/02/2024] [Accepted: 04/06/2024] [Indexed: 04/14/2024] Open
Abstract
Skin aging is a complex process involving structural and functional changes and is characterized by a decrease in collagen content, reduced skin thickness, dryness, and the formation of wrinkles. This process is underpinned by multiple mechanisms including the free radical theory, inflammation theory, photoaging theory, and metabolic theory. The skin immune system, an indispensable part of the body's defense mechanism, comprises macrophages, lymphocytes, dendritic cells, and mast cells. These cells play a pivotal role in maintaining skin homeostasis and responding to injury or infection. As age advances, along with various internal and external environmental stimuli, skin immune cells may undergo senescence or accelerated aging, characterized by reduced cell division capability, increased mortality, changes in gene expression patterns and signaling pathways, and altered immune cell functions. These changes collectively impact the overall function of the immune system. This review summarizes the relationship between skin aging and immunity and explores the characteristics of skin aging, the composition and function of the skin immune system, the aging of immune cells, and the effects of these cells on immune function and skin aging. Immune dysfunction plays a significant role in skin aging, suggesting that immunoregulation may become one of the important strategies for the prevention and treatment of skin aging.
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Affiliation(s)
- Xin He
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.)
- Open FIESTA Center, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
| | - Xinyu Gao
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.)
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
| | - Weidong Xie
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.)
- Open FIESTA Center, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
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25
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Müller L, Di Benedetto S. Aging brain: exploring the interplay between bone marrow aging, immunosenescence, and neuroinflammation. Front Immunol 2024; 15:1393324. [PMID: 38638424 PMCID: PMC11024322 DOI: 10.3389/fimmu.2024.1393324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 03/25/2024] [Indexed: 04/20/2024] Open
Abstract
Aging is a complex process characterized by a myriad of physiological changes, including alterations in the immune system termed immunosenescence. It exerts profound effects on both the bone marrow and the central nervous system, with significant implications for immunosenescence in neurological contexts. Our mini-review explores the complex relationship between bone marrow aging and its impact on immunosenescence, specifically within the context of neurological diseases. The bone marrow serves as a crucial hub for hematopoiesis and immune cell production, yet with age, it undergoes significant alterations, including alterations in hematopoietic stem cell function, niche composition, and inflammatory signaling. These age-related shifts in the bone marrow microenvironment contribute to dysregulation of immune cell homeostasis and function, impacting neuroinflammatory processes and neuronal health. In our review, we aim to explore the complex cellular and molecular mechanisms that link bone marrow aging to immunosenescence, inflammaging, and neuroinflammation, with a specific focus on their relevance to the pathophysiology of age-related neurological disorders. By exploring this interplay, we strive to provide a comprehensive understanding of how bone marrow aging impacts immune function and contributes to the progression of neurological diseases in aging individuals. Ultimately, this knowledge can hold substantial promise for the development of innovative therapeutic interventions aimed at preserving immune function and mitigating the progression of neurological disorders in the elderly population.
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Affiliation(s)
- Ludmila Müller
- Max Planck Institute for Human Development, Center for Lifespan Psychology, Berlin, Germany
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26
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Wacka E, Nicikowski J, Jarmuzek P, Zembron-Lacny A. Anemia and Its Connections to Inflammation in Older Adults: A Review. J Clin Med 2024; 13:2049. [PMID: 38610814 PMCID: PMC11012269 DOI: 10.3390/jcm13072049] [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: 03/10/2024] [Revised: 03/29/2024] [Accepted: 03/31/2024] [Indexed: 04/14/2024] Open
Abstract
Anemia is a common hematological disorder that affects 12% of the community-dwelling population, 40% of hospitalized patients, and 47% of nursing home residents. Our understanding of the impact of inflammation on iron metabolism and erythropoiesis is still lacking. In older adults, anemia can be divided into nutritional deficiency anemia, bleeding anemia, and unexplained anemia. The last type of anemia might be caused by reduced erythropoietin (EPO) activity, progressive EPO resistance of bone marrow erythroid progenitors, and the chronic subclinical pro-inflammatory state. Overall, one-third of older patients with anemia demonstrate a nutritional deficiency, one-third have a chronic subclinical pro-inflammatory state and chronic kidney disease, and one-third suffer from anemia of unknown etiology. Understanding anemia's pathophysiology in people aged 65 and over is crucial because it contributes to frailty, falls, cognitive decline, decreased functional ability, and higher mortality risk. Inflammation produces adverse effects on the cells of the hematological system. These effects include iron deficiency (hypoferremia), reduced EPO production, and the elevated phagocytosis of erythrocytes by hepatic and splenic macrophages. Additionally, inflammation causes enhanced eryptosis due to oxidative stress in the circulation. Identifying mechanisms behind age-related inflammation is essential for a better understanding and preventing anemia in older adults.
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Affiliation(s)
- Eryk Wacka
- Department of Applied and Clinical Physiology, Collegium Medicum University of Zielona Gora, 65-417 Zielona Gora, Poland; (J.N.); (A.Z.-L.)
| | - Jan Nicikowski
- Department of Applied and Clinical Physiology, Collegium Medicum University of Zielona Gora, 65-417 Zielona Gora, Poland; (J.N.); (A.Z.-L.)
| | - Pawel Jarmuzek
- Department of Neurosurgery and Neurology, Collegium Medicum University of Zielona Gora, 65-417 Zielona Gora, Poland;
| | - Agnieszka Zembron-Lacny
- Department of Applied and Clinical Physiology, Collegium Medicum University of Zielona Gora, 65-417 Zielona Gora, Poland; (J.N.); (A.Z.-L.)
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27
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Hickmott AJ, Cervantes L, Arroyo JP, Brasky K, Bene M, Salmon AB, Phillips KA, Ross CN. Age-related changes in hematological biomarkers in common marmosets. Am J Primatol 2024; 86:e23589. [PMID: 38143428 PMCID: PMC10959687 DOI: 10.1002/ajp.23589] [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: 07/31/2023] [Revised: 12/04/2023] [Accepted: 12/09/2023] [Indexed: 12/26/2023]
Abstract
Researchers and veterinarians often use hematology and clinical chemistry to evaluate animal health. These biomarkers are relatively easy to obtain, and understanding how they change across healthy aging is critical to clinical care and diagnostics for these animals. We aimed to evaluate how clinical biomarkers from a chemistry profile and complete blood count (CBC) change with age in common marmosets (Callithrix jacchus). We assessed blood samples collected during routine physical exams at the Southwest National Primate Research Center and the University of Texas Health San Antonio marmoset colonies from November 2020-November 2021. We found that chemistry and CBC profiles varied based on facility, sex, and age. Significant changes in albumin, phosphorus/creatinine ratio, albumin/globulin ratio, amylase, creatinine, lymphocyte percent, hematocrit, granulocytes percent, lymphocytes, hemoglobin, red cell distribution width, and platelet distribution width were all reported with advancing age. Aged individuals also demonstrated evidence for changes in liver, kidney, and immune system function compared with younger individuals. Our results suggest there may be regular changes associated with healthy aging in marmosets that are outside of the range typically considered as normal values for healthy young individuals, indicating the potential need for redefined healthy ranges for clinical biomarkers in aged animals. Identifying animals that exhibit values outside of this defined healthy aging reference will allow more accurate diagnostics and treatments for aging colonies.
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Affiliation(s)
- Alexana J. Hickmott
- Southwest National Primate Research Center, San Antonio, Texas
- Texas Biomedical Research Institute, San Antonio, Texas
| | - Lidia Cervantes
- Southwest National Primate Research Center, San Antonio, Texas
- Texas Biomedical Research Institute, San Antonio, Texas
| | - Juan Pablo Arroyo
- Southwest National Primate Research Center, San Antonio, Texas
- Texas Biomedical Research Institute, San Antonio, Texas
| | - Kathy Brasky
- Southwest National Primate Research Center, San Antonio, Texas
- Texas Biomedical Research Institute, San Antonio, Texas
| | - Michael Bene
- Barshop Institute for Longevity and Aging Studies and Department of Molecular Medicine, University of Texas Health San Antonio, San Antonio, Texas
| | - Adam B. Salmon
- Barshop Institute for Longevity and Aging Studies and Department of Molecular Medicine, University of Texas Health San Antonio, San Antonio, Texas
- Geriatric Research, Education and Clinical Center, South Texas Veterans Health Care System, San Antonio, Texas
| | - Kimberley A. Phillips
- Southwest National Primate Research Center, San Antonio, Texas
- Texas Biomedical Research Institute, San Antonio, Texas
- Department of Psychology, Trinity University, San Antonio, Texas
| | - Corinna N. Ross
- Southwest National Primate Research Center, San Antonio, Texas
- Texas Biomedical Research Institute, San Antonio, Texas
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28
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Pop VJM, Krabbe JG, Broeren M, Wiersinga W, Rayman MP. Hypothyroxinaemia during gestation is associated with low ferritin and increased levels of inflammatory markers. Eur Thyroid J 2024; 13:e230163. [PMID: 38330593 PMCID: PMC10959042 DOI: 10.1530/etj-23-0163] [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: 08/30/2023] [Accepted: 02/07/2024] [Indexed: 02/10/2024] Open
Abstract
Objective Pregnancy is a state of physiological inflammation facilitating implantation. Early isolated hypothyroxinaemia (IH) and increased inflammation (including obesity) have been associated with severe obstetric complications. The current study evaluated the association between IH, low ferritin and inflammation parameters (interleukin 6 (IL-6), C-reactive protein (CRP), human chorionic gonadotrophin (hCG) and obesity. Moreover, the course of these parameters throughout pregnancy was evaluated in relation to IH. Methods In the cross-sectional study (A) at 12 weeks, 2759 women participated and 2433 participated in the longitudinal study (B) with assessments at 12, 20 and 28 weeks gestation. At the first trimester, 122 (4.4%) IH women (free thyroxine (FT4) <5th percentile, normal TSH levels) were compared with 2114 (76.6%) reference women (FT4 between tenth and 90th percentiles, normal thyrotrophin (TSH) levels), in study B these figures were 99 (4.1%) and 1847 (75.9%), respectively. Results Cross-sectionally, compared to reference women, IH was independently associated with low ferritin (<5th percentile, OR: 2.6, 95% CI: 1.4-4.9), high CRP (>95th percentile: OR: 1.9, 95% CI: 1.04-3.7), low hCG ( 30, OR: 1.7, 95% CI: 1.12.9) and higher age (OR: 1.1, 95% CI: 1.04-1.15). Longitudinally, compared to reference women, women with IH at 12 weeks gestation showed persistently and significantly lower ferritin and hCG levels, and persistently higher CRP and IL-6 levels throughout gestation. Conclusion Gestational IH could be viewed as a condition of increased inflammation, as reported in non-thyroidal illness syndrome. Less favourable inflammation parameters and low iron status during early gestation in IH women seem to persist throughout gestation.
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Affiliation(s)
- Victor J M Pop
- Department of Medical Psychology, Tilburg University, The Netherlands
| | - Johannes G Krabbe
- Department of Clinical Chemistry and Laboratory Medicine, Medisch Spectrum Twente, Medlon BV, Enschede, The Netherlands
| | - Maarten Broeren
- Department of Clinical Chemistry, Maxima Medical Centre, Veldhoven, The Netherlands
| | - Wilmar Wiersinga
- Department of Endocrinology and Metabolism, Academic Medical Center, University of Amsterdam, The Netherlands
| | - Margaret P Rayman
- Department of Nutritional Sciences, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
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Boccardi V, Marano L. Improving geriatric outcomes through nutritional and immunonutritional strategies: Focus on surgical setting by a comprehensive evidence review. Ageing Res Rev 2024; 96:102272. [PMID: 38492809 DOI: 10.1016/j.arr.2024.102272] [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: 12/29/2023] [Revised: 02/27/2024] [Accepted: 03/12/2024] [Indexed: 03/18/2024]
Abstract
The aging population worldwide has led to an increased request for surgical interventions in older, geriatric, and frail patients. However, all the physiological changes related to aging are associated with many challenges in the perioperative period, strongly impacting surgical outcomes. Nutritional status plays a pivotal role in determining the resilience of older adults to surgical stress and their ability to recover postoperatively. It is well known that malnutrition, a prevalent concern in geriatrics, is linked to increased adverse outcomes, including morbidity and mortality. Recognizing the significance of preoperative nutritional screening, assessment, diagnosis, intervention, and monitoring is essential for optimizing surgical outcomes. In this context, immunonutrition, which involves the supplementation of specific nutrients to modulate immune responses, emerges as a promising strategy to mitigate the increased inflammatory response observed in geriatric surgical patients. This study reviews current literature on the impact of nutrition and immunonutrition on surgical outcomes in geriatrics, highlighting the potential benefits in terms of reduced complications, enhanced wound healing, and shortened hospital stays. Recognizing and addressing the specific nutritional needs of older persons undergoing surgery is essential for promoting successful surgical outcomes and improving overall quality of life in this vulnerable population.
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Affiliation(s)
- Virginia Boccardi
- Section of Gerontology and Geriatrics, Department of Medicine and Surgery, University of Perugia, Piazzale Gambuli 1, Perugia 06132, Italy.
| | - Luigi Marano
- Department of Medicine, Academy of Applied Medical and Social Sciences-AMiSNS: Akademia Medycznych I Spolecznych Nauk Stosowanych, 2 Lotnicza Street, Elbląg 82-300, Poland; Department of General Surgery and Surgical Oncology, "Saint Wojciech" Hospital, "Nicolaus Copernicus" Health Center, Jana Pawła II 50, Gdańsk 80-462, Poland
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30
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Elias C, Nunes MC, Saadatian-Elahi M. Epidemiology of community-acquired pneumonia caused by S treptococcus pneumoniae in older adults: a narrative review. Curr Opin Infect Dis 2024; 37:144-153. [PMID: 38323404 DOI: 10.1097/qco.0000000000001005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
PURPOSE OF REVIEW This review covers updated perspectives on different aspects of pneumococcal community-acquired pneumonia (pCAP), including the epidemiology, clinical presentation, risk factors, antibiotic treatment, and existing preventive strategies in older adults. RECENT FINDINGS pCAP remains the most prevalent condition among lower respiratory tract infections in the older adults according to Global Burden of Diseases 2019. Older adults can display atypical symptoms such as confusion, general clinical deterioration, new onset of and exacerbation of underlying illness that might trigger clinical suspicion of pCAP. Older adults with pCAP often experience increased disease severity and a higher risk of pulmonary complications compared with younger individuals, owing to age-related changes in immunity and a higher prevalence of comorbidities. Vaccination stands fundamental for prevention, emphasizing the need for effective immunization strategies, specifically tailored for older adults. There is a pressing need to reinforce efforts aimed at boosting pneumococcal vaccination rates. SUMMARY Despite a high morbidity and mortality, the burden of pCAP, in particular hospital admission and occurrence of invasive infections, among the elderly population is not sufficiently documented. This review findings emphasize the substantial burden of pCAP in this vulnerable population, driven by factors such as advancing age and underlying comorbidities. The emergence of antibiotic-resistant pneumococcal strains further complicates treatment decisions and highlights the importance of tailored approaches for managing pCAP in older adults.
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Affiliation(s)
- Christelle Elias
- Service d'Hygiène, Epidémiologie, Infectiovigilance et Prévention, Hospices Civils de Lyon
- Équipe Santé Publique, Epidémiologie et Eco-évolution des Maladies Infectieuses (PHE ID), Centre International de Recherche en Infectiologie (CIRI), Université de Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon
| | - Marta C Nunes
- Équipe Santé Publique, Epidémiologie et Eco-évolution des Maladies Infectieuses (PHE ID), Centre International de Recherche en Infectiologie (CIRI), Université de Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon
- Center of Excellence in Respiratory Pathogens (CERP), Hospices Civils de Lyon, Lyon, France
- South African Medical Research Council, Vaccines & Infectious Diseases Analytics Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Mitra Saadatian-Elahi
- Service d'Hygiène, Epidémiologie, Infectiovigilance et Prévention, Hospices Civils de Lyon
- Équipe Santé Publique, Epidémiologie et Eco-évolution des Maladies Infectieuses (PHE ID), Centre International de Recherche en Infectiologie (CIRI), Université de Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon
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31
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Saleh Z, Mirzazadeh S, Mirzaei F, Heidarnejad K, Meri S, Kalantar K. Alterations in metabolic pathways: a bridge between aging and weaker innate immune response. FRONTIERS IN AGING 2024; 5:1358330. [PMID: 38505645 PMCID: PMC10949225 DOI: 10.3389/fragi.2024.1358330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 02/06/2024] [Indexed: 03/21/2024]
Abstract
Aging is a time-dependent progressive physiological process, which results in impaired immune system function. Age-related changes in immune function increase the susceptibility to many diseases such as infections, autoimmune diseases, and cancer. Different metabolic pathways including glycolysis, tricarboxylic acid cycle, amino acid metabolism, pentose phosphate pathway, fatty acid oxidation and fatty acid synthesis regulate the development, differentiation, and response of adaptive and innate immune cells. During aging all these pathways change in the immune cells. In addition to the changes in metabolic pathways, the function and structure of mitochondria also have changed in the immune cells. Thereby, we will review changes in the metabolism of different innate immune cells during the aging process.
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Affiliation(s)
- Zahra Saleh
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sara Mirzazadeh
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Fatemeh Mirzaei
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Kamran Heidarnejad
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seppo Meri
- Department of Bacteriology and Immunology and the Translational Immunology Research Program (TRIMM), The University of Helsinki and HUSLAB, Helsinki University Hospital, Helsinki, Finland
| | - Kurosh Kalantar
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Bacteriology and Immunology and the Translational Immunology Research Program (TRIMM), The University of Helsinki and HUSLAB, Helsinki University Hospital, Helsinki, Finland
- Autoimmune Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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32
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Hanley S, Chen YY, Hazeldine J, Lord JM. Senescent cell-derived extracellular vesicles as potential mediators of innate immunosenescence and inflammaging. Exp Gerontol 2024; 187:112365. [PMID: 38237747 DOI: 10.1016/j.exger.2024.112365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/11/2024] [Accepted: 01/15/2024] [Indexed: 01/27/2024]
Abstract
Ageing is accompanied by a decline in immune function (immunosenescence), increased inflammation (inflammaging), and more senescent cells which together contribute to age-related disease and infection susceptibility. The innate immune system is the front-line defence against infection and cancer and is also involved in the removal of senescent cells, so preventing innate immunosenescence and inflammaging is vital for health in older age. Extracellular vesicles (EVs) modulate many aspects of innate immune function, including chemotaxis, anti-microbial responses, and immune regulation. Senescent cell derived EVs (SEVs) have different cargo to that of non-senescent cell derived EVs, suggesting alterations in EV cargo across the lifespan may influence innate immune function, possibly contributing to immunosenescence and inflammaging. Here we review current understanding of the potential impact of miRNAs, lipids and proteins, found in higher concentrations in SEVs, on innate immune functions and inflammation to consider whether SEVs are potential influencers of innate immunosenescence and inflammaging. Furthermore, senolytics have demonstrated an ability to return plasma EV content closer to that of non-senescent EVs, therefore the potential use of senotherapeutics (senolytics and senostatics) to ameliorate the effects of SEVs on immunosenescence and inflammaging is also considered as a possible strategy for extending health-span in older adults.
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Affiliation(s)
- Shaun Hanley
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham B15 2TT, UK
| | - Yung-Yi Chen
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham B15 2TT, UK
| | - Jon Hazeldine
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham B15 2TT, UK
| | - Janet M Lord
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham B15 2TT, UK.
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33
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Pereira B, Correia FP, Alves IA, Costa M, Gameiro M, Martins AP, Saraiva JA. Epigenetic reprogramming as a key to reverse ageing and increase longevity. Ageing Res Rev 2024; 95:102204. [PMID: 38272265 DOI: 10.1016/j.arr.2024.102204] [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: 10/09/2023] [Revised: 12/18/2023] [Accepted: 01/19/2024] [Indexed: 01/27/2024]
Abstract
The pursuit for the fountain of youth has long been a fascination amongst scientists and humanity. Ageing is broadly characterized by a cellular decline with increased susceptibility to age-related diseases, being intimately associated with epigenetic modifications. Recently, reprogramming-induced rejuvenation strategies have begun to greatly alter longevity research not only to tackle age-related defects but also to possibly reverse the cellular ageing process. Hence, in this review, we highlight the major epigenetic changes during ageing and the state-of-art of the current emerging epigenetic reprogramming strategies leveraging on transcription factors. Notably, partial reprogramming enables the resetting of the ageing clock without erasing cellular identity. Promising chemical-based rejuvenation strategies harnessing small molecules, including DNA methyltransferase and histone deacetylase inhibitors are also discussed. Moreover, in parallel to longevity interventions, the foundations of epigenetic clocks for accurate ageing assessment and evaluation of reprogramming approaches are briefly presented. Going further, with such scientific breakthroughs, we are witnessing a rise in the longevity biotech industry aiming to extend the health span and ideally achieve human rejuvenation one day. In this context, we overview the main scenarios proposed for the future of the socio-economic and ethical challenges associated with such an emerging field. Ultimately, this review aims to inspire future research on interventions that promote healthy ageing for all.
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Affiliation(s)
- Beatriz Pereira
- Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | | | - Inês A Alves
- Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Margarida Costa
- Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Mariana Gameiro
- Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Ana P Martins
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Jorge A Saraiva
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Aveiro, Portugal.
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Smit A, Meijer O, Winter E. The multi-faceted nature of age-associated osteoporosis. Bone Rep 2024; 20:101750. [PMID: 38566930 PMCID: PMC10985042 DOI: 10.1016/j.bonr.2024.101750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 03/03/2024] [Accepted: 03/04/2024] [Indexed: 04/04/2024] Open
Abstract
Age-associated osteoporosis (AAOP) poses a significant health burden, characterized by increased fracture risk due to declining bone mass and strength. Effective prevention and early treatment strategies are crucial to mitigate the disease burden and the associated healthcare costs. Current therapeutic approaches effectively target the individual contributing factors to AAOP. Nonetheless, the management of AAOP is complicated by the multitude of variables that affect its development. Main intrinsic and extrinsic factors contributing to AAOP risk are reviewed here, including mechanical unloading, nutrient deficiency, hormonal disbalance, disrupted metabolism, cognitive decline, inflammation and circadian disruption. Furthermore, it is discussed how these can be targeted for prevention and treatment. Although valuable as individual targets for intervention, the interconnectedness of these risk factors result in a unique etiology for every patient. Acknowledgement of the multifaceted nature of AAOP will enable the development of more effective and sustainable management strategies, based on a holistic, patient-centered approach.
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Affiliation(s)
- A.E. Smit
- Department of Medicine, Division of Endocrinology, Leiden University Medical Center, Leiden, the Netherlands
- Einthoven Laboratory for Experimental Vascular Medicine, Leiden, the Netherlands
| | - O.C. Meijer
- Department of Medicine, Division of Endocrinology, Leiden University Medical Center, Leiden, the Netherlands
- Einthoven Laboratory for Experimental Vascular Medicine, Leiden, the Netherlands
| | - E.M. Winter
- Department of Medicine, Division of Endocrinology, Leiden University Medical Center, Leiden, the Netherlands
- Einthoven Laboratory for Experimental Vascular Medicine, Leiden, the Netherlands
- Department of Medicine, Center for Bone Quality, Leiden University Medical Center, Leiden, the Netherlands
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35
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Zayoud K, Chikhaoui A, Kraoua I, Tebourbi A, Najjar D, Ayari S, Safra I, Kraiem I, Turki I, Menif S, Yacoub-Youssef H. Immunity in the Progeroid Model of Cockayne Syndrome: Biomarkers of Pathological Aging. Cells 2024; 13:402. [PMID: 38474366 DOI: 10.3390/cells13050402] [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: 12/26/2023] [Revised: 01/29/2024] [Accepted: 01/30/2024] [Indexed: 03/14/2024] Open
Abstract
Cockayne syndrome (CS) is a rare autosomal recessive disorder that affects the DNA repair process. It is a progeroid syndrome predisposing patients to accelerated aging and to increased susceptibility to respiratory infections. Here, we studied the immune status of CS patients to determine potential biomarkers associated with pathological aging. CS patients, as well as elderly and young, healthy donors, were enrolled in this study. Complete blood counts for patients and donors were assessed, immune cell subsets were analyzed using flow cytometry, and candidate cytokines were analyzed via multi-analyte ELISArray kits. In CS patients, we noticed a high percentage of lymphocytes, an increased rate of intermediate and non-classical monocytes, and a high level of pro-inflammatory cytokine IL-8. In addition, we identified an increased rate of particular subtypes of T Lymphocyte CD8+ CD28- CD27-, which are senescent T cells. Thus, an inflammatory state was found in CS patients that is similar to that observed in the elderly donors and is associated with an immunosenescence status in both groups. This could explain the CS patients' increased susceptibility to infections, which is partly due to an aging-associated inflammation process.
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Affiliation(s)
- Khouloud Zayoud
- Laboratory of Biomedical Genomics and Oncogenetics (LR16IPT05), Institut Pasteur de Tunis, Université Tunis El Manar, El Manar I, Tunis 1002, Tunisia
- Faculty of Sciences of Bizerte, Bizerte 7021, Tunisia
| | - Asma Chikhaoui
- Laboratory of Biomedical Genomics and Oncogenetics (LR16IPT05), Institut Pasteur de Tunis, Université Tunis El Manar, El Manar I, Tunis 1002, Tunisia
| | - Ichraf Kraoua
- Department of Neuropediatrics, National Institute of Neurology Mongi Ben Hamida, Tunis 1007, Tunisia
| | - Anis Tebourbi
- Orthopedic and Trauma Surgery Department, Mongi Slim Hospital, La Marsa 2070, Tunisia
| | - Dorra Najjar
- Laboratory of Biomedical Genomics and Oncogenetics (LR16IPT05), Institut Pasteur de Tunis, Université Tunis El Manar, El Manar I, Tunis 1002, Tunisia
| | - Saker Ayari
- Orthopedic and Trauma Surgery Department, Mongi Slim Hospital, La Marsa 2070, Tunisia
| | - Ines Safra
- Laboratory of Molecular and Cellular Hematology (LR16IPT07), Institut Pasteur de Tunis, Université Tunis El Manar, El Manar I, Tunis 1002, Tunisia
| | - Imen Kraiem
- Laboratory of Molecular and Cellular Hematology (LR16IPT07), Institut Pasteur de Tunis, Université Tunis El Manar, El Manar I, Tunis 1002, Tunisia
| | - Ilhem Turki
- Department of Neuropediatrics, National Institute of Neurology Mongi Ben Hamida, Tunis 1007, Tunisia
| | - Samia Menif
- Laboratory of Molecular and Cellular Hematology (LR16IPT07), Institut Pasteur de Tunis, Université Tunis El Manar, El Manar I, Tunis 1002, Tunisia
| | - Houda Yacoub-Youssef
- Laboratory of Biomedical Genomics and Oncogenetics (LR16IPT05), Institut Pasteur de Tunis, Université Tunis El Manar, El Manar I, Tunis 1002, Tunisia
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Husejko J, Gackowski M, Wojtasik J, Strzała D, Pesta M, Mądra-Gackowska K, Nuszkiewicz J, Woźniak A, Kozakiewicz M, Kędziora-Kornatowska K. Preliminary Report on the Influence of Acute Inflammation on Adiponectin Levels in Older Inpatients with Different Nutritional Status. Int J Mol Sci 2024; 25:2016. [PMID: 38396693 PMCID: PMC10889142 DOI: 10.3390/ijms25042016] [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: 12/31/2023] [Revised: 02/04/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024] Open
Abstract
Inflammation can be triggered by a variety of factors, including pathogens, damaged cells, and toxic compounds. It is a biological response of the immune system, which can be successfully assessed in clinical practice using some molecular substances. Because adiponectin, a hormone released by adipose tissue, influences the development of inflammation, its evaluation as a potential measure of inflammation in clinical practice is justified. In the present contribution, statistical comparison of adiponectin concentration and selected molecular substances recognized in clinical practice as measures of inflammation were utilized to demonstrate whether adipose tissue hormones, as exemplified by adiponectin, have the potential to act as a measure of rapidly changing inflammation when monitoring older hospitalized patients in the course of bacterial infection. The study showed no statistically significant differences in adiponectin levels depending on the rapidly changing inflammatory response in its early stage. Interestingly, the concentration of adiponectin is statistically significantly higher in malnourished patients than in people with normal nutritional levels, assessed based on the MNA. According to the results obtained, adiponectin is not an effective measure of acute inflammation in clinical practice. However, it may serve as a biomarker of malnutrition in senile individuals.
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Affiliation(s)
- Jakub Husejko
- Department of Geriatrics, Faculty of Health Science, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Skłodowska-Curie 9 Street, 85-094 Bydgoszcz, Poland; (J.H.); (D.S.); (M.P.); (K.M.-G.); (M.K.); (K.K.-K.)
| | - Marcin Gackowski
- Department of Toxicology and Bromatology, Faculty of Pharmacy, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, A. Jurasza 2 Street, 85-089 Bydgoszcz, Poland;
| | - Jakub Wojtasik
- Centre for Statistical Analysis, Nicolaus Copernicus University in Toruń, Chopina 12/18 Street, 87-100 Toruń, Poland;
| | - Dominika Strzała
- Department of Geriatrics, Faculty of Health Science, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Skłodowska-Curie 9 Street, 85-094 Bydgoszcz, Poland; (J.H.); (D.S.); (M.P.); (K.M.-G.); (M.K.); (K.K.-K.)
| | - Maciej Pesta
- Department of Geriatrics, Faculty of Health Science, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Skłodowska-Curie 9 Street, 85-094 Bydgoszcz, Poland; (J.H.); (D.S.); (M.P.); (K.M.-G.); (M.K.); (K.K.-K.)
| | - Katarzyna Mądra-Gackowska
- Department of Geriatrics, Faculty of Health Science, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Skłodowska-Curie 9 Street, 85-094 Bydgoszcz, Poland; (J.H.); (D.S.); (M.P.); (K.M.-G.); (M.K.); (K.K.-K.)
| | - Jarosław Nuszkiewicz
- Department of Medical Biology and Biochemistry, Faculty of Medicine, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karłowicza 24 Street, 85-092 Bydgoszcz, Poland;
| | - Alina Woźniak
- Department of Medical Biology and Biochemistry, Faculty of Medicine, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karłowicza 24 Street, 85-092 Bydgoszcz, Poland;
| | - Mariusz Kozakiewicz
- Department of Geriatrics, Faculty of Health Science, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Skłodowska-Curie 9 Street, 85-094 Bydgoszcz, Poland; (J.H.); (D.S.); (M.P.); (K.M.-G.); (M.K.); (K.K.-K.)
| | - Kornelia Kędziora-Kornatowska
- Department of Geriatrics, Faculty of Health Science, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Skłodowska-Curie 9 Street, 85-094 Bydgoszcz, Poland; (J.H.); (D.S.); (M.P.); (K.M.-G.); (M.K.); (K.K.-K.)
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Giunta S, Xia S, Pelliccioni G, Olivieri F. Autonomic nervous system imbalance during aging contributes to impair endogenous anti-inflammaging strategies. GeroScience 2024; 46:113-127. [PMID: 37821752 PMCID: PMC10828245 DOI: 10.1007/s11357-023-00947-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 09/13/2023] [Indexed: 10/13/2023] Open
Abstract
Inflammaging refers to the age-related low grade, sterile, chronic, systemic, and long-lasting subclinical, proinflammatory status, currently recognized as the main risk factor for development and progression of the most common age-related diseases (ARDs). Extensive investigations were focused on a plethora of proinflammatory stimuli that can fuel inflammaging, underestimating and partly neglecting important endogenous anti-inflammaging mechanisms that could play a crucial role in such age-related proinflammatory state. Studies on autonomic nervous system (ANS) functions during aging highlighted an imbalance toward an overactive sympathetic nervous system (SNS) tone, promoting proinflammatory conditions, and a diminished parasympathetic nervous system (PNS) activity, playing anti-inflammatory effects mediated by the so called cholinergic anti-inflammatory pathway (CAP). At the molecular level, CAP is characterized by signals communicated via the vagus nerve (with the possible involvement of the splenic nerves) through acetylcholine release to downregulate the inflammatory actions of macrophages, key players of inflammaging. Notably, decreased vagal function and increased burden of activated/senescent macrophages (macrophaging) probably precede the development of several age-related risk factors and diseases, while increased vagal function and reduced macrophaging could be associated with relevant reduction of risk profiles. Hypothalamic-pituitary-adrenal axis (HPA axis) is another pathway related to ANS promoting some anti-inflammatory response mainly through increased cortisol levels. In this perspective review, we highlighted that CAP and HPA, representing broadly "anti-inflammaging" mechanisms, have a reduced efficacy and lose effectiveness in aged people, a phenomenon that could contribute to fuel inflammaging. In this framework, strategies aimed to re-balance PNS/SNS activities could be explored to modulate systemic inflammaging especially at an early subclinical stage, thus increasing the chances to reach the extreme limit of human lifespan in healthy status.
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Affiliation(s)
- Sergio Giunta
- Casa Di Cura Prof. Nobili (Gruppo Garofalo (GHC)), Castiglione Dei Pepoli, Bologna, Italy
| | - Shijin Xia
- Department of Geriatrics, Shanghai Institute of Geriatrics, Huadong Hospital, Fudan University, Shanghai, China
| | | | - Fabiola Olivieri
- Department of Clinical and Molecular Sciences, DISCLIMO, Università Politecnica Delle Marche, Via Tronto 10/A, 60126, Ancona, Italy.
- Clinical Laboratory and Molecular Diagnostic, IRCCS INRCA, Ancona, Italy.
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Bi J, Zhang C, Lu C, Mo C, Zeng J, Yao M, Jia B, Liu Z, Yuan P, Xu S. Age-related bone diseases: Role of inflammaging. J Autoimmun 2024; 143:103169. [PMID: 38340675 DOI: 10.1016/j.jaut.2024.103169] [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: 11/08/2023] [Revised: 01/03/2024] [Accepted: 01/19/2024] [Indexed: 02/12/2024]
Abstract
Bone aging is characterized by an imbalance in the physiological and pathological processes of osteogenesis, osteoclastogenesis, adipogenesis, and chondrogenesis, resulting in exacerbated bone loss and the development of age-related bone diseases, including osteoporosis, osteoarthritis, rheumatoid arthritis, and periodontitis. Inflammaging, a novel concept in the field of aging research, pertains to the persistent and gradual escalation of pro-inflammatory reactions during the aging process. This phenomenon is distinguished by its low intensity, systemic nature, absence of symptoms, and potential for management. The mechanisms by which inflammaging contribute to age-related chronic diseases, particularly in the context of age-related bone diseases, remain unclear. The precise manner in which systemic inflammation induces bone aging and consequently contributes to the development of age-related bone diseases has yet to be fully elucidated. This article primarily examines the mechanisms underlying inflammaging and its association with age-related bone diseases, to elucidate the potential mechanisms of inflammaging in age-related bone diseases and offer insights for developing preventive and therapeutic strategies for such conditions.
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Affiliation(s)
- Jiaming Bi
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China
| | - Caimei Zhang
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China
| | - Caihong Lu
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China
| | - Chuzi Mo
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China
| | - Jiawei Zeng
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China
| | - Mingyan Yao
- Department of Endocrinology, The Third Hospital of Hebei Medical University, Shijiazhuang, China; Department of Endocrinology, Baoding No.1 Central Hospital, Baoding, China
| | - Bo Jia
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China
| | - Zhongjun Liu
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China
| | - Peiyan Yuan
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Shuaimei Xu
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
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Alavez-Rubio JS, Juarez-Cedillo T. Microglia as a Possible Alternative Therapeutic for Dementia. J Alzheimers Dis Rep 2024; 8:43-56. [PMID: 38229830 PMCID: PMC10789290 DOI: 10.3233/adr-230112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 12/04/2023] [Indexed: 01/18/2024] Open
Abstract
Dementia is a syndrome in which there is deterioration in memory, behavior, and the ability to perform everyday activities. Alzheimer's disease and vascular dementia are the most common forms of dementia. There is evidence supporting the hypothesis that inflammatory and immune mechanisms are involved in dementia. Microglia, the resident macrophage tissues in the central nervous system, play a significant role in neuroinflammation and play an important role in amyloid-β clearance in the brain, and impaired microglial clearance of amyloid-β has also been shown to be involved in the pathogenesis of Alzheimer's disease. However, there is also abundant evidence that microglia have harmful actions in dementia. Once activated, they can mediate uptake at neuronal synapses. They can also exacerbate tau pathology and secrete deleterious inflammatory factors that can directly or indirectly damage neurons. Thus, depending on the stage of the disease, microglia can act both protectively and detrimentally. Therefore, it is still necessary to continue with studies to better understand the role of microglia in the pathology of dementia. Currently available drugs can only improve cognitive symptoms, have no impact on progression and are not curative, so identifying and studying new therapeutic approaches is important. Considering the role played by microglia in this pathology, it has been pointed out as a possible therapeutic approach. This manuscript aims to address the relationship between microglia and dementia and how this relationship could be used for therapeutic purposes.
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Affiliation(s)
| | - Teresa Juarez-Cedillo
- Unidad de Investigación Epidemiológica y en Servicios de Salud, Área de Envejecimiento, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico
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Martin F, Xiao Y, Welten V, Nakamori K, Gizlenci M, Zhou H, Tullius SG. The combinatorial effect of age and biological sex on alloimmunity and transplantation outcome. FRONTIERS IN TRANSPLANTATION 2024; 2:1325232. [PMID: 38993871 PMCID: PMC11235293 DOI: 10.3389/frtra.2023.1325232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 12/26/2023] [Indexed: 07/13/2024]
Abstract
Both age and biological sex affect transplantation outcomes. We have recently shown in a large volume clinical analysis utilizing the SRTR data that graft survival is inferior in young female kidney transplant recipients. In this multi-factorial analysis, older female recipients presented with a trend towards improved transplant outcomes compared to both young female recipients and male recipients of any age. Those data supported by reports of those of others suggest that sex and age impact alloimmune responses both, individually and synergistically. Biological sex and hormone levels change throughout a lifetime with recognized effects on longevity in addition to an impact on the development and course of several disease preconditions. Detailed mechanisms of those sex and age-specific aspects have thus far been studied outside of transplantation. Effects on alloimmunity are largely unknown. Moreover, the combinatorial impact that both, biological sex and age have on transplant outcomes is not understood. Here, we summarize available data that analyze how age in combination with biological sex may shape alloimmune responses and affect transplant outcomes.
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Affiliation(s)
- Friederike Martin
- Division of Transplant Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
- Department of Surgery, Campus Charité Mitte|Campus Virchow-Klinikum, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Yao Xiao
- Division of Transplant Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Vanessa Welten
- Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Keita Nakamori
- Division of Transplant Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
- Department of Urology, Osaka Medical and Pharmaceutical University, Osaka, Japan
| | - Merih Gizlenci
- Division of Transplant Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Hao Zhou
- Division of Transplant Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Stefan G Tullius
- Division of Transplant Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
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Martín-Vicente P, López-Martínez C, Rioseras B, Albaiceta GM. Activation of senescence in critically ill patients: mechanisms, consequences and therapeutic opportunities. Ann Intensive Care 2024; 14:2. [PMID: 38180573 PMCID: PMC10769968 DOI: 10.1186/s13613-023-01236-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 12/21/2023] [Indexed: 01/06/2024] Open
Abstract
Whereas aging is a whole-organism process, senescence is a cell mechanism that can be triggered by several stimuli. There is increasing evidence that critical conditions activate cell senescence programs irrespective of patient's age. In this review, we briefly describe the basic senescence pathways and the consequences of their activation in critically ill patients. The available evidence suggests a paradigm in which activation of senescence can be beneficial in the short term by rendering cells resistant to apoptosis, but also detrimental in a late phase by inducing a pro-inflammatory and pro-fibrotic state. Senescence can be a therapeutic target. The use of drugs that eliminate senescent cells (senolytics) or the senescence-associated phenotype (senomorphics) will require monitoring of these cell responses and identification of therapeutic windows to improve the outcome of critically ill patients.
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Affiliation(s)
- Paula Martín-Vicente
- Instituto de Investigación Sanitaria del Principado de Asturias, Oviedo, Spain
- Centro de Investigación Biomédica en Red (CIBER)-Enfermedades Respiratorias, Madrid, Spain
- Instituto Universitario de Oncología del Principado de Asturias, Universidad de Oviedo, Oviedo, Spain
| | - Cecilia López-Martínez
- Instituto de Investigación Sanitaria del Principado de Asturias, Oviedo, Spain
- Centro de Investigación Biomédica en Red (CIBER)-Enfermedades Respiratorias, Madrid, Spain
- Instituto Universitario de Oncología del Principado de Asturias, Universidad de Oviedo, Oviedo, Spain
| | - Beatriz Rioseras
- Servicio de Inmunología, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - Guillermo M Albaiceta
- Instituto de Investigación Sanitaria del Principado de Asturias, Oviedo, Spain.
- Centro de Investigación Biomédica en Red (CIBER)-Enfermedades Respiratorias, Madrid, Spain.
- Instituto Universitario de Oncología del Principado de Asturias, Universidad de Oviedo, Oviedo, Spain.
- Unidad de Cuidados Intensivos Cardiológicos, Hospital Universitario Central de Asturias, Avenida del Hospital Universitario s/n, 33011, Oviedo, Spain.
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Gou M, Chen W, Li Y, Chen S, Feng W, Pan S, Luo X, Tan S, Tian B, Li W, Tong J, Zhou Y, Li H, Yu T, Wang Z, Zhang P, Huang J, Kochunov P, Tian L, Li CSR, Hong LE, Tan Y. Immune-Inflammatory Response And Compensatory Immune-Regulatory Reflex Systems And White Matter Integrity in Schizophrenia. Schizophr Bull 2024; 50:199-209. [PMID: 37540273 PMCID: PMC10754202 DOI: 10.1093/schbul/sbad114] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
BACKGROUND AND HYPOTHESIS Low-grade neural and peripheral inflammation are among the proposed pathophysiological mechanisms of schizophrenia. White matter impairment is one of the more consistent findings in schizophrenia but the underlying mechanism remains obscure. Many cerebral white matter components are sensitive to neuroinflammatory conditions that can result in demyelination, altered oligodendrocyte differentiation, and other changes. We tested the hypothesis that altered immune-inflammatory response system (IRS) and compensatory immune-regulatory reflex system (IRS/CIRS) dynamics are associated with reduced white matter integrity in patients with schizophrenia. STUDY DESIGN Patients with schizophrenia (SCZ, 70M/50F, age = 40.76 ± 13.10) and healthy controls (HCs, 38M/27F, age = 37.48 ± 12.31) underwent neuroimaging and plasma collection. A panel of cytokines were assessed using enzyme-linked immunosorbent assay. White matter integrity was measured by fractional anisotropy (FA) from diffusion tensor imaging using a 3-T Prisma MRI scanner. The cytokines were used to generate 3 composite scores: IRS, CIRS, and IRS/CIRS ratio. STUDY RESULTS The IRS/CIRS ratio in SCZ was significantly higher than that in HCs (P = .009). SCZ had a significantly lower whole-brain white matter average FA (P < .001), and genu of corpus callosum (GCC) was the most affected white matter tract and its FA was significantly associated with IRS/CIRS (r = 0.29, P = .002). FA of GCC was negatively associated with negative symptom scores in SCZ (r = -0.23, P = .016). There was no mediation effect taking FA of GCC as mediator, for that IRS/CIRS was not associated with negative symptom score significantly (P = .217) in SCZ. CONCLUSIONS Elevated IRS/CIRS might partly account for the severity of negative symptoms through targeting the integrity of GCC.
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Affiliation(s)
- Mengzhuang Gou
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Wenjin Chen
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Yanli Li
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Song Chen
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Wei Feng
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Shujuan Pan
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Xingguang Luo
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
| | - Shuping Tan
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Baopeng Tian
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Wei Li
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Jinghui Tong
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Yanfang Zhou
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Hongna Li
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Ting Yu
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Zhiren Wang
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Ping Zhang
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Junchao Huang
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Peter Kochunov
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Li Tian
- Institute of Biomedicine and Translational Medicine, Department of Physiology, Faculty of Medicine, University of Tartu, Tartu, Estonia
| | - Chiang-Shan R Li
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
| | - L Elliot Hong
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Yunlong Tan
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
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Hou J, Zheng Y, Gao C. Regulation of cellular senescence by innate immunity. BIOPHYSICS REPORTS 2023; 9:338-351. [PMID: 38524701 PMCID: PMC10960571 DOI: 10.52601/bpr.2023.230032] [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: 10/30/2023] [Accepted: 01/12/2024] [Indexed: 03/26/2024] Open
Abstract
During the COVID-19 pandemic, the interplay between the processes of immunity and senescence is drawing more and more intensive attention. SARS-CoV-2 infection induces senescence in lung cells, failure to clear infected cells and increased presence of inflammatory factors could lead to a cytokine storm and acute respiratory disease syndrome (ARDS), which together with aging and age-associated disease lead to 70% of COVID-19-related deaths. Studies on how senescence initiates upon viral infection and how to restrict excessive accumulation of senescent cells to avoid harmful inflammation are crucially important. Senescence can induce innate immune signaling, and innate immunity can engage cell senescence. Here, we mainly review the innate immune pathways, such as cGAS-STING, TLRs, NF-κB, and NLRP3 inflammasome, participating in the senescence process. In these pathways, IFN-I and inflammatory factors play key roles. At the end of the review, we propose the strategies by which we can improve the immune function and reduce inflammation based on these findings.
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Affiliation(s)
- Jinxiu Hou
- Key Laboratory of Infection and Immunity, Shandong Province & Key Laboratory for Experimental Teratology, Ministry of Education, Shandong University, Jinan 250012, China
- Department of Immunology, the School of Basic Medical Sciences, Shandong University, Jinan 250012, China
| | - Yi Zheng
- Key Laboratory of Infection and Immunity, Shandong Province & Key Laboratory for Experimental Teratology, Ministry of Education, Shandong University, Jinan 250012, China
- Department of Immunology, the School of Basic Medical Sciences, Shandong University, Jinan 250012, China
| | - Chengjiang Gao
- Key Laboratory of Infection and Immunity, Shandong Province & Key Laboratory for Experimental Teratology, Ministry of Education, Shandong University, Jinan 250012, China
- Department of Immunology, the School of Basic Medical Sciences, Shandong University, Jinan 250012, China
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Yan YX, Wang WD, Wei YL, Chen WZ, Wu QY. Predictors of mortality in patients with isolated gastrointestinal perforation. Exp Ther Med 2023; 26:556. [PMID: 37941588 PMCID: PMC10628647 DOI: 10.3892/etm.2023.12255] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 09/15/2023] [Indexed: 11/10/2023] Open
Abstract
Gastrointestinal (GI) perforation is common in the emergency department and has a high mortality rate. The present study aimed to identify risk factors for mortality in patients with GI perforation. The objective was to assess and prognosticate the surgical outcomes of patients, aiming to ascertain the efficacy of the procedure for individual patients. A retrospective cohort study of patients with GI perforation who underwent surgery in a public tertiary hospital in China from January 2012 to June 2022 was performed. Demographics, clinical characteristics, laboratory and imaging results, and outcomes were collected from electronic medical records. The primary outcome measure was in-hospital mortality, and patients were divided into survivor and non-survivor groups based on this measure. Univariate and multivariable logistic regression analyses were performed to obtain independent factors associated with mortality. A total of 529 patients with GI perforation were eligible for inclusion. The in-hospital mortality rate after emergency surgery was 10.59%. The median age of the patients was 60 years (interquartile range, 44-72 years). Multivariable logistic regression analysis indicated that age, shock on admission, elevated serum creatinine (sCr) and white blood cell (WBC) count <3.5x109 or >20x109 cells/l were predictors of in-hospital mortality. In conclusion, advanced age, shock on admission, elevated sCr levels and significantly abnormal WBC count are associated with higher in-hospital mortality following emergency laparotomy.
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Affiliation(s)
- Yi-Xing Yan
- Trauma Center and Emergency Surgery Department, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350000, P.R. China
| | - Wei-Di Wang
- Trauma Center and Emergency Surgery Department, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350000, P.R. China
| | - Yi-Liu Wei
- The First Clinical Medical School, Fujian Medical University, Fuzhou, Fujian 350000, P.R. China
| | - Wei-Zhi Chen
- Trauma Center and Emergency Surgery Department, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350000, P.R. China
| | - Qiao-Yi Wu
- Trauma Center and Emergency Surgery Department, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350000, P.R. China
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Poser M, Sing KEA, Ebert T, Ziebolz D, Schmalz G. The rosetta stone of successful ageing: does oral health have a role? Biogerontology 2023; 24:867-888. [PMID: 37421489 PMCID: PMC10615965 DOI: 10.1007/s10522-023-10047-w] [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: 01/17/2023] [Accepted: 06/19/2023] [Indexed: 07/10/2023]
Abstract
Ageing is an inevitable aspect of life and thus successful ageing is an important focus of recent scientific efforts. The biological process of ageing is mediated through the interaction of genes with environmental factors, increasing the body's susceptibility to insults. Elucidating this process will increase our ability to prevent and treat age-related disease and consequently extend life expectancy. Notably, centenarians offer a unique perspective on the phenomenon of ageing. Current research highlights several age-associated alterations on the genetic, epigenetic and proteomic level. Consequently, nutrient sensing and mitochondrial function are altered, resulting in inflammation and exhaustion of regenerative ability.Oral health, an important contributor to overall health, remains underexplored in the context of extreme longevity. Good masticatory function ensures sufficient nutrient uptake, reducing morbidity and mortality in old age. The relationship between periodontal disease and systemic inflammatory pathologies is well established. Diabetes, rheumatoid arthritis and cardiovascular disease are among the most significant disease burdens influenced by inflammatory oral health conditions. Evidence suggests that the interaction is bi-directional, impacting progression, severity and mortality. Current models of ageing and longevity neglect an important factor in overall health and well-being, a gap that this review intends to illustrate and inspire avenues for future research.
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Affiliation(s)
- Maximilian Poser
- Department of Cariology, Endodontology and Periodontology, University Leipzig, Liebigstr. 12, 04103, Leipzig, Germany.
| | - Katie E A Sing
- Department of Medicine, Royal Devon and Exeter Hospital, University of Exeter Medical School, Exeter, EX2 5DW, UK
| | - Thomas Ebert
- Medical Department III - Endocrinology, Nephrology, Rheumatology, University of Leipzig, Liebigstr. 20, 04103, Leipzig, Germany
| | - Dirk Ziebolz
- Department of Cariology, Endodontology and Periodontology, University Leipzig, Liebigstr. 12, 04103, Leipzig, Germany
| | - Gerhard Schmalz
- Department of Cariology, Endodontology and Periodontology, University Leipzig, Liebigstr. 12, 04103, Leipzig, Germany
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Losol P, Sokolowska M, Hwang YK, Ogulur I, Mitamura Y, Yazici D, Pat Y, Radzikowska U, Ardicli S, Yoon JE, Choi JP, Kim SH, van de Veen W, Akdis M, Chang YS, Akdis CA. Epithelial Barrier Theory: The Role of Exposome, Microbiome, and Barrier Function in Allergic Diseases. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2023; 15:705-724. [PMID: 37957791 PMCID: PMC10643858 DOI: 10.4168/aair.2023.15.6.705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/18/2023] [Accepted: 10/07/2023] [Indexed: 11/15/2023]
Abstract
Allergic diseases are a major public health problem with increasing prevalence. These immune-mediated diseases are characterized by defective epithelial barriers, which are explained by the epithelial barrier theory and continuously emerging evidence. Environmental exposures (exposome) including global warming, changes and loss of biodiversity, pollution, pathogens, allergens and mites, laundry and dishwasher detergents, surfactants, shampoos, body cleaners and household cleaners, microplastics, nanoparticles, toothpaste, enzymes and emulsifiers in processed foods, and dietary habits are responsible for the mucosal and skin barrier disruption. Exposure to barrier-damaging agents causes epithelial cell injury and barrier damage, colonization of opportunistic pathogens, loss of commensal bacteria, decreased microbiota diversity, bacterial translocation, allergic sensitization, and inflammation in the periepithelial area. Here, we review scientific evidence on the environmental components that impact epithelial barriers and microbiome composition and their influence on asthma and allergic diseases. We also discuss the historical overview of allergic diseases and the evolution of the hygiene hypothesis with theoretical evidence.
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Affiliation(s)
- Purevsuren Losol
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Medical Research Center, Seoul National University, Seoul, Korea
- Department of Molecular Biology and Genetics, School of Biomedicine, Mongolian National University of Medical Sciences, Ulaanbaatar, Mongolia
| | - Milena Sokolowska
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Yu-Kyoung Hwang
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Ismail Ogulur
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Yasutaka Mitamura
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Duygu Yazici
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Yagiz Pat
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Urszula Radzikowska
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Sena Ardicli
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Jeong-Eun Yoon
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Jun-Pyo Choi
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Sae-Hoon Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Medical Research Center, Seoul National University, Seoul, Korea
| | - Willem van de Veen
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Mübeccel Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Yoon-Seok Chang
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Medical Research Center, Seoul National University, Seoul, Korea.
| | - Cezmi A Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
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Sienkiewicz M, Sroka K, Binienda A, Jurk D, Fichna J. A new face of old cells: An overview about the role of senescence and telomeres in inflammatory bowel diseases. Ageing Res Rev 2023; 91:102083. [PMID: 37802318 DOI: 10.1016/j.arr.2023.102083] [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: 08/21/2023] [Revised: 10/01/2023] [Accepted: 10/02/2023] [Indexed: 10/08/2023]
Abstract
Cellular senescence is a pivotal factor contributing to aging and the pathophysiology of age-related diseases. Despite the presence of inflammation and abnormal immune system function in both inflammatory bowel diseases (IBD) and senescence, the relationship between the two remains largely unexplored. Therefore, our study aimed to investigate the intricate connection between cellular senescence, telomeres, and IBD. The review highlights the presence of senescence markers, particularly p16 and p21, in IBD patients, suggesting their potential association with disease progression and mucosal inflammation. We emphasize the critical role of macrophages in eliminating senescent cells and how disturbance in effective clearance may contribute to persistent senescence and inflammation in IBD. Additionally, we shed light on the involvement of telomeres in IBD, as their dysfunction impairs enterocyte function and disrupts colonic barrier integrity, potentially exacerbating the pathogenesis of the disease. Targeting senescence and telomere dysfunctions holds promise for the development of innovative therapeutic approaches to mitigate intestinal inflammation and alleviate symptoms in IBD patients. By unraveling the precise role of senescence in IBD, we can pave the way for the discovery of novel therapeutic interventions that effectively address the underlying mechanisms of intestinal inflammation, offering hope for improved management and treatment of IBD patients.
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Affiliation(s)
- Michał Sienkiewicz
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Kamila Sroka
- Department of Family Medicine and Public Health, University of Opole, Opole, Poland
| | - Agata Binienda
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Diana Jurk
- Robert and Arlene Kogod Center On Aging, Mayo Clinic, Rochester, MN, USA; Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - Jakub Fichna
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland; Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA.
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48
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Niklander SE, Aránguiz P, Faunes F, Martínez-Flores R. Aging and oral squamous cell carcinoma development: the role of cellular senescence. FRONTIERS IN ORAL HEALTH 2023; 4:1285276. [PMID: 37904749 PMCID: PMC10613501 DOI: 10.3389/froh.2023.1285276] [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: 08/29/2023] [Accepted: 09/29/2023] [Indexed: 11/01/2023] Open
Abstract
The gradual accumulation and inadequate renewal of senescent cells over time drive organismal aging. Senescent cells undergo altered gene expression and release inflammatory mediators collectively termed the senescence-associated secretory phenotype (SASP), which significantly contributes to a spectrum of age-related disorders, including cancer. In the context of carcinogenesis, the SASP produced by senescent cells has been implicated in the promotion of epithelial cancers, including oral squamous cell carcinoma (OSCC), the most common form of oral cancer. Senescent cells within the tumor microenvironment release factors that amplify the growth and invasiveness of neighboring cancer cells. Senotherapeutics, including senolytics and senomorphics, emerge as promising modalities to target senescent cells and their associated inflammatory factors, thereby opening novel avenues for augmenting the efficacy of cancer treatments. Here, we review the general aspects of cellular senescence, focusing on the relation between senescence-related inflammation with cancer development. We also analyze the available evidence linking cellular senescence with OSCC, highlighting possible clinical applications.
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Affiliation(s)
- Sven Eric Niklander
- Unit of Oral Pathology and Oral Medicine, Faculty of Dentistry, Universidad Andres Bello, Viña del Mar, Chile
| | - Pablo Aránguiz
- Escuela de Química y Farmacia, Facultad de Medicina, Universidad Andres Bello, Viña del Mar, Chile
| | - Fernando Faunes
- Departamento de Ciencias Biológicas, Facultad de Ciencias de la Vida, Universidad Andres Bello, Viña del Mar, Chile
| | - René Martínez-Flores
- Unit of Oral Pathology and Oral Medicine, Faculty of Dentistry, Universidad Andres Bello, Viña del Mar, Chile
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49
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Singh A, Ashar H, Butcher JT, Ranjan A. Age-associated changes in the gut microbiome impact efficacy of tumor immunomodulatory treatments. Exp Gerontol 2023; 181:112268. [PMID: 37572993 PMCID: PMC11073541 DOI: 10.1016/j.exger.2023.112268] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 07/06/2023] [Accepted: 08/07/2023] [Indexed: 08/14/2023]
Abstract
In-situ vaccination (ISV) utilizing nanoparticles (NPs) and therapeutic devices like focused ultrasound (FUS) can trigger immune-mediated killing of both treated and untreated cancer cells. However, the impact of confounding factors such as aging and gut microbiota composition on therapeutic outcomes remains poorly understood. In this study, we sequentially treated young mice (∼8 weeks) and old mice (>18 months) with bilateral melanoma using FUS and calreticulin nanoparticles (CRT-NP) to enhance immunogenic cell death. The combination of CRT-NP and FUS (CFUS) demonstrated greater efficacy in inducing regression of treated and untreated tumors in young mice compared to old mice. The diminished effectiveness in older mice was associated with significant differences in gut microbiome composition, characterized by alterations in bacterial species and splenic immune cells. Specifically, young mice exposed to CFUS exhibited higher abundance of Bacteroidetes and Verrucomicrobia, which was not observed in the aged cohorts. Turicibacter, Anaerotruncus, and Ruminiclostridium demonstrated negative correlations with CD8+ T cells but positive correlations with CD4+ T cells and MDSC cells in both age groups. Taxon set enrichment analysis revealed 58 significantly enriched host gene targets in the young cluster compared to only 11 in the aged cluster. These findings highlight the relationship between ISV treatment efficacy and gut microbiome composition, suggesting that interventions such as diet modification, probiotics, or fecal microbiota transplantation may hold potential as therapeutic strategies to enhance immune responses against solid tumors.
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Affiliation(s)
- Akansha Singh
- Department of Physiological Sciences, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK 74078, United States of America
| | - Harshini Ashar
- Department of Physiological Sciences, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK 74078, United States of America
| | - Joshua T Butcher
- Department of Physiological Sciences, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK 74078, United States of America.
| | - Ashish Ranjan
- Department of Physiological Sciences, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK 74078, United States of America.
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Boulanger E. Place of biology of ageing in geriatric medicine. Eur Geriatr Med 2023; 14:909-911. [PMID: 37676405 DOI: 10.1007/s41999-023-00856-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Affiliation(s)
- Eric Boulanger
- U1167-RID-AGE-Facteurs de Risque et Déterminants Moléculaires des Maladies Liées au Vieillissement, Institut Pasteur de Lille, CHU Lille, Inserm, University Lille, 59000, Lille, France.
- Biology of Ageing Special Interest Group (SIG), European Geriatric Medicine Society (EuGMS), .
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